diff options
Diffstat (limited to 'cups/ipp.c.orig')
| -rw-r--r-- | cups/ipp.c.orig | 7053 |
1 files changed, 0 insertions, 7053 deletions
diff --git a/cups/ipp.c.orig b/cups/ipp.c.orig deleted file mode 100644 index fd8988fd..00000000 --- a/cups/ipp.c.orig +++ /dev/null @@ -1,7053 +0,0 @@ -/* - * Internet Printing Protocol functions for CUPS. - * - * Copyright 2007-2017 by Apple Inc. - * Copyright 1997-2007 by Easy Software Products, all rights reserved. - * - * These coded instructions, statements, and computer programs are the - * property of Apple Inc. and are protected by Federal copyright - * law. Distribution and use rights are outlined in the file "LICENSE.txt" - * which should have been included with this file. If this file is - * missing or damaged, see the license at "http://www.cups.org/". - * - * This file is subject to the Apple OS-Developed Software exception. - */ - -/* - * Include necessary headers... - */ - -#include "cups-private.h" -#include <regex.h> -#ifdef WIN32 -# include <io.h> -#endif /* WIN32 */ - - -/* - * Local functions... - */ - -static ipp_attribute_t *ipp_add_attr(ipp_t *ipp, const char *name, - ipp_tag_t group_tag, ipp_tag_t value_tag, - int num_values); -static void ipp_free_values(ipp_attribute_t *attr, int element, - int count); -static char *ipp_get_code(const char *locale, char *buffer, - size_t bufsize) - __attribute__((nonnull(1,2))); -static char *ipp_lang_code(const char *locale, char *buffer, - size_t bufsize) - __attribute__((nonnull(1,2))); -static size_t ipp_length(ipp_t *ipp, int collection); -static ssize_t ipp_read_http(http_t *http, ipp_uchar_t *buffer, - size_t length); -static ssize_t ipp_read_file(int *fd, ipp_uchar_t *buffer, - size_t length); -static void ipp_set_error(ipp_status_t status, const char *format, - ...); -static _ipp_value_t *ipp_set_value(ipp_t *ipp, ipp_attribute_t **attr, - int element); -static ssize_t ipp_write_file(int *fd, ipp_uchar_t *buffer, - size_t length); - - -/* - * '_cupsBufferGet()' - Get a read/write buffer. - */ - -char * /* O - Buffer */ -_cupsBufferGet(size_t size) /* I - Size required */ -{ - _cups_buffer_t *buffer; /* Current buffer */ - _cups_globals_t *cg = _cupsGlobals(); - /* Global data */ - - - for (buffer = cg->cups_buffers; buffer; buffer = buffer->next) - if (!buffer->used && buffer->size >= size) - break; - - if (!buffer) - { - if ((buffer = malloc(sizeof(_cups_buffer_t) + size - 1)) == NULL) - return (NULL); - - buffer->next = cg->cups_buffers; - buffer->size = size; - cg->cups_buffers = buffer; - } - - buffer->used = 1; - - return (buffer->d); -} - - -/* - * '_cupsBufferRelease()' - Release a read/write buffer. - */ - -void -_cupsBufferRelease(char *b) /* I - Buffer to release */ -{ - _cups_buffer_t *buffer; /* Buffer */ - - - /* - * Mark this buffer as unused... - */ - - buffer = (_cups_buffer_t *)(b - offsetof(_cups_buffer_t, d)); - buffer->used = 0; -} - - -/* - * 'ippAddBoolean()' - Add a boolean attribute to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddBoolean(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - char value) /* I - Value of attribute */ -{ - ipp_attribute_t *attr; /* New attribute */ - - - DEBUG_printf(("ippAddBoolean(ipp=%p, group=%02x(%s), name=\"%s\", value=%d)", (void *)ipp, group, ippTagString(group), name, value)); - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BOOLEAN, 1)) == NULL) - return (NULL); - - attr->values[0].boolean = value; - - return (attr); -} - - -/* - * 'ippAddBooleans()' - Add an array of boolean values. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddBooleans(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - int num_values, /* I - Number of values */ - const char *values) /* I - Values */ -{ - int i; /* Looping var */ - ipp_attribute_t *attr; /* New attribute */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("ippAddBooleans(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)values)); - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - num_values < 1) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BOOLEAN, num_values)) == NULL) - return (NULL); - - if (values) - { - for (i = num_values, value = attr->values; - i > 0; - i --, value ++) - value->boolean = *values++; - } - - return (attr); -} - - -/* - * 'ippAddCollection()' - Add a collection value. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * @since CUPS 1.1.19/macOS 10.3@ - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddCollection(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - ipp_t *value) /* I - Value */ -{ - ipp_attribute_t *attr; /* New attribute */ - - - DEBUG_printf(("ippAddCollection(ipp=%p, group=%02x(%s), name=\"%s\", value=%p)", (void *)ipp, group, ippTagString(group), name, (void *)value)); - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BEGIN_COLLECTION, 1)) == NULL) - return (NULL); - - attr->values[0].collection = value; - - if (value) - value->use ++; - - return (attr); -} - - -/* - * 'ippAddCollections()' - Add an array of collection values. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * @since CUPS 1.1.19/macOS 10.3@ - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddCollections( - ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - int num_values, /* I - Number of values */ - const ipp_t **values) /* I - Values */ -{ - int i; /* Looping var */ - ipp_attribute_t *attr; /* New attribute */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("ippAddCollections(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)values)); - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - num_values < 1) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BEGIN_COLLECTION, - num_values)) == NULL) - return (NULL); - - if (values) - { - for (i = num_values, value = attr->values; - i > 0; - i --, value ++) - { - value->collection = (ipp_t *)*values++; - value->collection->use ++; - } - } - - return (attr); -} - - -/* - * 'ippAddDate()' - Add a dateTime attribute to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddDate(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - const ipp_uchar_t *value) /* I - Value */ -{ - ipp_attribute_t *attr; /* New attribute */ - - - DEBUG_printf(("ippAddDate(ipp=%p, group=%02x(%s), name=\"%s\", value=%p)", (void *)ipp, group, ippTagString(group), name, (void *)value)); - - /* - * Range check input... - */ - - if (!ipp || !name || !value || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_DATE, 1)) == NULL) - return (NULL); - - memcpy(attr->values[0].date, value, 11); - - return (attr); -} - - -/* - * 'ippAddInteger()' - Add a integer attribute to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * Supported values include enum (@code IPP_TAG_ENUM@) and integer - * (@code IPP_TAG_INTEGER@). - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddInteger(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - ipp_tag_t value_tag, /* I - Type of attribute */ - const char *name, /* I - Name of attribute */ - int value) /* I - Value of attribute */ -{ - ipp_attribute_t *attr; /* New attribute */ - - - DEBUG_printf(("ippAddInteger(ipp=%p, group=%02x(%s), type=%02x(%s), name=\"%s\", value=%d)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, value)); - - value_tag &= IPP_TAG_CUPS_MASK; - - /* - * Special-case for legacy usage: map out-of-band attributes to new ippAddOutOfBand - * function... - */ - - if (value_tag >= IPP_TAG_UNSUPPORTED_VALUE && value_tag <= IPP_TAG_ADMINDEFINE) - return (ippAddOutOfBand(ipp, group, value_tag, name)); - - /* - * Range check input... - */ - -#if 0 - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - (value_tag != IPP_TAG_INTEGER && value_tag != IPP_TAG_ENUM)) - return (NULL); -#else - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) - return (NULL); -#endif /* 0 */ - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, value_tag, 1)) == NULL) - return (NULL); - - attr->values[0].integer = value; - - return (attr); -} - - -/* - * 'ippAddIntegers()' - Add an array of integer values. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * Supported values include enum (@code IPP_TAG_ENUM@) and integer - * (@code IPP_TAG_INTEGER@). - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddIntegers(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - ipp_tag_t value_tag, /* I - Type of attribute */ - const char *name, /* I - Name of attribute */ - int num_values, /* I - Number of values */ - const int *values) /* I - Values */ -{ - int i; /* Looping var */ - ipp_attribute_t *attr; /* New attribute */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("ippAddIntegers(ipp=%p, group=%02x(%s), type=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, num_values, (void *)values)); - - value_tag &= IPP_TAG_CUPS_MASK; - - /* - * Range check input... - */ - -#if 0 - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - (value_tag != IPP_TAG_INTEGER && value_tag != IPP_TAG_ENUM) || - num_values < 1) - return (NULL); -#else - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - num_values < 1) - return (NULL); -#endif /* 0 */ - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, value_tag, num_values)) == NULL) - return (NULL); - - if (values) - { - for (i = num_values, value = attr->values; - i > 0; - i --, value ++) - value->integer = *values++; - } - - return (attr); -} - - -/* - * 'ippAddOctetString()' - Add an octetString value to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * @since CUPS 1.2/macOS 10.5@ - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddOctetString(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - const void *data, /* I - octetString data */ - int datalen) /* I - Length of data in bytes */ -{ - ipp_attribute_t *attr; /* New attribute */ - - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - datalen < 0 || datalen > IPP_MAX_LENGTH) - return (NULL); - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_STRING, 1)) == NULL) - return (NULL); - - /* - * Initialize the attribute data... - */ - - attr->values[0].unknown.length = datalen; - - if (data) - { - if ((attr->values[0].unknown.data = malloc((size_t)datalen)) == NULL) - { - ippDeleteAttribute(ipp, attr); - return (NULL); - } - - memcpy(attr->values[0].unknown.data, data, (size_t)datalen); - } - - /* - * Return the new attribute... - */ - - return (attr); -} - - -/* - * 'ippAddOutOfBand()' - Add an out-of-band value to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * Supported out-of-band values include unsupported-value - * (@code IPP_TAG_UNSUPPORTED_VALUE@), default (@code IPP_TAG_DEFAULT@), unknown - * (@code IPP_TAG_UNKNOWN@), no-value (@code IPP_TAG_NOVALUE@), not-settable - * (@code IPP_TAG_NOTSETTABLE@), delete-attribute (@code IPP_TAG_DELETEATTR@), and - * admin-define (@code IPP_TAG_ADMINDEFINE@). - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddOutOfBand(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - ipp_tag_t value_tag, /* I - Type of attribute */ - const char *name) /* I - Name of attribute */ -{ - DEBUG_printf(("ippAddOutOfBand(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\")", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name)); - - value_tag &= IPP_TAG_CUPS_MASK; - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - (value_tag != IPP_TAG_UNSUPPORTED_VALUE && - value_tag != IPP_TAG_DEFAULT && - value_tag != IPP_TAG_UNKNOWN && - value_tag != IPP_TAG_NOVALUE && - value_tag != IPP_TAG_NOTSETTABLE && - value_tag != IPP_TAG_DELETEATTR && - value_tag != IPP_TAG_ADMINDEFINE)) - return (NULL); - - /* - * Create the attribute... - */ - - return (ipp_add_attr(ipp, name, group, value_tag, 1)); -} - - -/* - * 'ippAddRange()' - Add a range of values to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * The @code lower@ parameter must be less than or equal to the @code upper@ parameter. - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddRange(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - int lower, /* I - Lower value */ - int upper) /* I - Upper value */ -{ - ipp_attribute_t *attr; /* New attribute */ - - - DEBUG_printf(("ippAddRange(ipp=%p, group=%02x(%s), name=\"%s\", lower=%d, upper=%d)", (void *)ipp, group, ippTagString(group), name, lower, upper)); - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RANGE, 1)) == NULL) - return (NULL); - - attr->values[0].range.lower = lower; - attr->values[0].range.upper = upper; - - return (attr); -} - - -/* - * 'ippAddRanges()' - Add ranges of values to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddRanges(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - int num_values, /* I - Number of values */ - const int *lower, /* I - Lower values */ - const int *upper) /* I - Upper values */ -{ - int i; /* Looping var */ - ipp_attribute_t *attr; /* New attribute */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("ippAddRanges(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, lower=%p, upper=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)lower, (void *)upper)); - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - num_values < 1) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RANGE, num_values)) == NULL) - return (NULL); - - if (lower && upper) - { - for (i = num_values, value = attr->values; - i > 0; - i --, value ++) - { - value->range.lower = *lower++; - value->range.upper = *upper++; - } - } - - return (attr); -} - - -/* - * 'ippAddResolution()' - Add a resolution value to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddResolution(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - ipp_res_t units, /* I - Units for resolution */ - int xres, /* I - X resolution */ - int yres) /* I - Y resolution */ -{ - ipp_attribute_t *attr; /* New attribute */ - - - DEBUG_printf(("ippAddResolution(ipp=%p, group=%02x(%s), name=\"%s\", units=%d, xres=%d, yres=%d)", (void *)ipp, group, - ippTagString(group), name, units, xres, yres)); - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM || - xres < 0 || yres < 0) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, 1)) == NULL) - return (NULL); - - attr->values[0].resolution.xres = xres; - attr->values[0].resolution.yres = yres; - attr->values[0].resolution.units = units; - - return (attr); -} - - -/* - * 'ippAddResolutions()' - Add resolution values to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddResolutions(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - const char *name, /* I - Name of attribute */ - int num_values,/* I - Number of values */ - ipp_res_t units, /* I - Units for resolution */ - const int *xres, /* I - X resolutions */ - const int *yres) /* I - Y resolutions */ -{ - int i; /* Looping var */ - ipp_attribute_t *attr; /* New attribute */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("ippAddResolutions(ipp=%p, group=%02x(%s), name=\"%s\", num_value=%d, units=%d, xres=%p, yres=%p)", (void *)ipp, group, ippTagString(group), name, num_values, units, (void *)xres, (void *)yres)); - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - num_values < 1 || - units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM) - return (NULL); - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, num_values)) == NULL) - return (NULL); - - if (xres && yres) - { - for (i = num_values, value = attr->values; - i > 0; - i --, value ++) - { - value->resolution.xres = *xres++; - value->resolution.yres = *yres++; - value->resolution.units = units; - } - } - - return (attr); -} - - -/* - * 'ippAddSeparator()' - Add a group separator to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddSeparator(ipp_t *ipp) /* I - IPP message */ -{ - DEBUG_printf(("ippAddSeparator(ipp=%p)", (void *)ipp)); - - /* - * Range check input... - */ - - if (!ipp) - return (NULL); - - /* - * Create the attribute... - */ - - return (ipp_add_attr(ipp, NULL, IPP_TAG_ZERO, IPP_TAG_ZERO, 0)); -} - - -/* - * 'ippAddString()' - Add a language-encoded string to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword - * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType - * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage - * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage - * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme - * (@code IPP_TAG_URISCHEME@). - * - * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage and - * textWithLanguage string values and must be @code NULL@ for all other string values. - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddString(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - ipp_tag_t value_tag, /* I - Type of attribute */ - const char *name, /* I - Name of attribute */ - const char *language, /* I - Language code */ - const char *value) /* I - Value */ -{ - ipp_tag_t temp_tag; /* Temporary value tag (masked) */ - ipp_attribute_t *attr; /* New attribute */ - char code[IPP_MAX_LANGUAGE]; - /* Charset/language code buffer */ - - - DEBUG_printf(("ippAddString(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\", language=\"%s\", value=\"%s\")", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, language, value)); - - /* - * Range check input... - */ - - temp_tag = (ipp_tag_t)((int)value_tag & IPP_TAG_CUPS_MASK); - -#if 0 - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - (temp_tag < IPP_TAG_TEXT && temp_tag != IPP_TAG_TEXTLANG && - temp_tag != IPP_TAG_NAMELANG) || temp_tag > IPP_TAG_MIMETYPE) - return (NULL); - - if ((temp_tag == IPP_TAG_TEXTLANG || temp_tag == IPP_TAG_NAMELANG) - != (language != NULL)) - return (NULL); -#else - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) - return (NULL); -#endif /* 0 */ - - /* - * See if we need to map charset, language, or locale values... - */ - - if (language && ((int)value_tag & IPP_TAG_CUPS_CONST) && - strcmp(language, ipp_lang_code(language, code, sizeof(code)))) - value_tag = temp_tag; /* Don't do a fast copy */ - else if (value && value_tag == (ipp_tag_t)(IPP_TAG_CHARSET | IPP_TAG_CUPS_CONST) && - strcmp(value, ipp_get_code(value, code, sizeof(code)))) - value_tag = temp_tag; /* Don't do a fast copy */ - else if (value && value_tag == (ipp_tag_t)(IPP_TAG_LANGUAGE | IPP_TAG_CUPS_CONST) && - strcmp(value, ipp_lang_code(value, code, sizeof(code)))) - value_tag = temp_tag; /* Don't do a fast copy */ - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, value_tag, 1)) == NULL) - return (NULL); - - /* - * Initialize the attribute data... - */ - - if ((int)value_tag & IPP_TAG_CUPS_CONST) - { - attr->values[0].string.language = (char *)language; - attr->values[0].string.text = (char *)value; - } - else - { - if (language) - attr->values[0].string.language = _cupsStrAlloc(ipp_lang_code(language, code, - sizeof(code))); - - if (value) - { - if (value_tag == IPP_TAG_CHARSET) - attr->values[0].string.text = _cupsStrAlloc(ipp_get_code(value, code, - sizeof(code))); - else if (value_tag == IPP_TAG_LANGUAGE) - attr->values[0].string.text = _cupsStrAlloc(ipp_lang_code(value, code, - sizeof(code))); - else - attr->values[0].string.text = _cupsStrAlloc(value); - } - } - - return (attr); -} - - -/* - * 'ippAddStringf()' - Add a formatted string to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document - * (@code IPP_TAG_DOCUMENT@), event notification - * (@code IPP_TAG_EVENT_NOTIFICATION@), operation (@code IPP_TAG_OPERATION@), - * printer (@code IPP_TAG_PRINTER@), subscription (@code IPP_TAG_SUBSCRIPTION@), - * or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword - * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType - * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage - * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage - * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme - * (@code IPP_TAG_URISCHEME@). - * - * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage - * and textWithLanguage string values and must be @code NULL@ for all other - * string values. - * - * The @code format@ parameter uses formatting characters compatible with the - * printf family of standard functions. Additional arguments follow it as - * needed. The formatted string is truncated as needed to the maximum length of - * the corresponding value type. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddStringf(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - ipp_tag_t value_tag, /* I - Type of attribute */ - const char *name, /* I - Name of attribute */ - const char *language, /* I - Language code (@code NULL@ for default) */ - const char *format, /* I - Printf-style format string */ - ...) /* I - Additional arguments as needed */ -{ - ipp_attribute_t *attr; /* New attribute */ - va_list ap; /* Argument pointer */ - - - va_start(ap, format); - attr = ippAddStringfv(ipp, group, value_tag, name, language, format, ap); - va_end(ap); - - return (attr); -} - - -/* - * 'ippAddStringfv()' - Add a formatted string to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document - * (@code IPP_TAG_DOCUMENT@), event notification - * (@code IPP_TAG_EVENT_NOTIFICATION@), operation (@code IPP_TAG_OPERATION@), - * printer (@code IPP_TAG_PRINTER@), subscription (@code IPP_TAG_SUBSCRIPTION@), - * or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword - * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType - * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage - * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage - * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme - * (@code IPP_TAG_URISCHEME@). - * - * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage - * and textWithLanguage string values and must be @code NULL@ for all other - * string values. - * - * The @code format@ parameter uses formatting characters compatible with the - * printf family of standard functions. Additional arguments are passed in the - * stdarg pointer @code ap@. The formatted string is truncated as needed to the - * maximum length of the corresponding value type. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddStringfv(ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - ipp_tag_t value_tag, /* I - Type of attribute */ - const char *name, /* I - Name of attribute */ - const char *language, /* I - Language code (@code NULL@ for default) */ - const char *format, /* I - Printf-style format string */ - va_list ap) /* I - Additional arguments */ -{ - char buffer[IPP_MAX_TEXT + 4]; - /* Formatted text string */ - ssize_t bytes, /* Length of formatted value */ - max_bytes; /* Maximum number of bytes for value */ - - - /* - * Range check input... - */ - - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && - value_tag != IPP_TAG_NAMELANG) || value_tag > IPP_TAG_MIMETYPE || - !format) - return (NULL); - - if ((value_tag == IPP_TAG_TEXTLANG || value_tag == IPP_TAG_NAMELANG) - != (language != NULL)) - return (NULL); - - /* - * Format the string... - */ - - if (!strcmp(format, "%s")) - { - /* - * Optimize the simple case... - */ - - const char *s = va_arg(ap, char *); - - if (!s) - s = "(null)"; - - bytes = (ssize_t)strlen(s); - strlcpy(buffer, s, sizeof(buffer)); - } - else - { - /* - * Do a full formatting of the message... - */ - - if ((bytes = vsnprintf(buffer, sizeof(buffer), format, ap)) < 0) - return (NULL); - } - - /* - * Limit the length of the string... - */ - - switch (value_tag) - { - default : - case IPP_TAG_TEXT : - case IPP_TAG_TEXTLANG : - max_bytes = IPP_MAX_TEXT; - break; - - case IPP_TAG_NAME : - case IPP_TAG_NAMELANG : - max_bytes = IPP_MAX_NAME; - break; - - case IPP_TAG_CHARSET : - max_bytes = IPP_MAX_CHARSET; - break; - - case IPP_TAG_KEYWORD : - max_bytes = IPP_MAX_KEYWORD; - break; - - case IPP_TAG_LANGUAGE : - max_bytes = IPP_MAX_LANGUAGE; - break; - - case IPP_TAG_MIMETYPE : - max_bytes = IPP_MAX_MIMETYPE; - break; - - case IPP_TAG_URI : - max_bytes = IPP_MAX_URI; - break; - - case IPP_TAG_URISCHEME : - max_bytes = IPP_MAX_URISCHEME; - break; - } - - if (bytes >= max_bytes) - { - char *bufmax, /* Buffer at max_bytes */ - *bufptr; /* Pointer into buffer */ - - bufptr = buffer + strlen(buffer) - 1; - bufmax = buffer + max_bytes - 1; - - while (bufptr > bufmax) - { - if (*bufptr & 0x80) - { - while ((*bufptr & 0xc0) == 0x80 && bufptr > buffer) - bufptr --; - } - - bufptr --; - } - - *bufptr = '\0'; - } - - /* - * Add the formatted string and return... - */ - - return (ippAddString(ipp, group, value_tag, name, language, buffer)); -} - - -/* - * 'ippAddStrings()' - Add language-encoded strings to an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword - * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType - * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage - * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage - * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme - * (@code IPP_TAG_URISCHEME@). - * - * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage and - * textWithLanguage string values and must be @code NULL@ for all other string values. - */ - -ipp_attribute_t * /* O - New attribute */ -ippAddStrings( - ipp_t *ipp, /* I - IPP message */ - ipp_tag_t group, /* I - IPP group */ - ipp_tag_t value_tag, /* I - Type of attribute */ - const char *name, /* I - Name of attribute */ - int num_values, /* I - Number of values */ - const char *language, /* I - Language code (@code NULL@ for default) */ - const char * const *values) /* I - Values */ -{ - int i; /* Looping var */ - ipp_tag_t temp_tag; /* Temporary value tag (masked) */ - ipp_attribute_t *attr; /* New attribute */ - _ipp_value_t *value; /* Current value */ - char code[32]; /* Language/charset value buffer */ - - - DEBUG_printf(("ippAddStrings(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\", num_values=%d, language=\"%s\", values=%p)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, num_values, language, (void *)values)); - - /* - * Range check input... - */ - - temp_tag = (ipp_tag_t)((int)value_tag & IPP_TAG_CUPS_MASK); - -#if 0 - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - (temp_tag < IPP_TAG_TEXT && temp_tag != IPP_TAG_TEXTLANG && - temp_tag != IPP_TAG_NAMELANG) || temp_tag > IPP_TAG_MIMETYPE || - num_values < 1) - return (NULL); - - if ((temp_tag == IPP_TAG_TEXTLANG || temp_tag == IPP_TAG_NAMELANG) - != (language != NULL)) - return (NULL); -#else - if (!ipp || !name || group < IPP_TAG_ZERO || - group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || - num_values < 1) - return (NULL); -#endif /* 0 */ - - /* - * See if we need to map charset, language, or locale values... - */ - - if (language && ((int)value_tag & IPP_TAG_CUPS_CONST) && - strcmp(language, ipp_lang_code(language, code, sizeof(code)))) - value_tag = temp_tag; /* Don't do a fast copy */ - else if (values && value_tag == (ipp_tag_t)(IPP_TAG_CHARSET | IPP_TAG_CUPS_CONST)) - { - for (i = 0; i < num_values; i ++) - if (strcmp(values[i], ipp_get_code(values[i], code, sizeof(code)))) - { - value_tag = temp_tag; /* Don't do a fast copy */ - break; - } - } - else if (values && value_tag == (ipp_tag_t)(IPP_TAG_LANGUAGE | IPP_TAG_CUPS_CONST)) - { - for (i = 0; i < num_values; i ++) - if (strcmp(values[i], ipp_lang_code(values[i], code, sizeof(code)))) - { - value_tag = temp_tag; /* Don't do a fast copy */ - break; - } - } - - /* - * Create the attribute... - */ - - if ((attr = ipp_add_attr(ipp, name, group, value_tag, num_values)) == NULL) - return (NULL); - - /* - * Initialize the attribute data... - */ - - for (i = num_values, value = attr->values; - i > 0; - i --, value ++) - { - if (language) - { - if (value == attr->values) - { - if ((int)value_tag & IPP_TAG_CUPS_CONST) - value->string.language = (char *)language; - else - value->string.language = _cupsStrAlloc(ipp_lang_code(language, code, - sizeof(code))); - } - else - value->string.language = attr->values[0].string.language; - } - - if (values) - { - if ((int)value_tag & IPP_TAG_CUPS_CONST) - value->string.text = (char *)*values++; - else if (value_tag == IPP_TAG_CHARSET) - value->string.text = _cupsStrAlloc(ipp_get_code(*values++, code, sizeof(code))); - else if (value_tag == IPP_TAG_LANGUAGE) - value->string.text = _cupsStrAlloc(ipp_lang_code(*values++, code, sizeof(code))); - else - value->string.text = _cupsStrAlloc(*values++); - } - } - - return (attr); -} - - -/* - * 'ippContainsInteger()' - Determine whether an attribute contains the - * specified value or is within the list of ranges. - * - * Returns non-zero when the attribute contains either a matching integer or - * enum value, or the value falls within one of the rangeOfInteger values for - * the attribute. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -int /* O - 1 on a match, 0 on no match */ -ippContainsInteger( - ipp_attribute_t *attr, /* I - Attribute */ - int value) /* I - Integer/enum value */ -{ - int i; /* Looping var */ - _ipp_value_t *avalue; /* Current attribute value */ - - - /* - * Range check input... - */ - - if (!attr) - return (0); - - if (attr->value_tag != IPP_TAG_INTEGER && attr->value_tag != IPP_TAG_ENUM && - attr->value_tag != IPP_TAG_RANGE) - return (0); - - /* - * Compare... - */ - - if (attr->value_tag == IPP_TAG_RANGE) - { - for (i = attr->num_values, avalue = attr->values; i > 0; i --, avalue ++) - if (value >= avalue->range.lower && value <= avalue->range.upper) - return (1); - } - else - { - for (i = attr->num_values, avalue = attr->values; i > 0; i --, avalue ++) - if (value == avalue->integer) - return (1); - } - - return (0); -} - - -/* - * 'ippContainsString()' - Determine whether an attribute contains the - * specified string value. - * - * Returns non-zero when the attribute contains a matching charset, keyword, - * naturalLanguage, mimeMediaType, name, text, uri, or uriScheme value. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -int /* O - 1 on a match, 0 on no match */ -ippContainsString( - ipp_attribute_t *attr, /* I - Attribute */ - const char *value) /* I - String value */ -{ - int i; /* Looping var */ - _ipp_value_t *avalue; /* Current attribute value */ - - - DEBUG_printf(("ippContainsString(attr=%p, value=\"%s\")", (void *)attr, value)); - - /* - * Range check input... - */ - - if (!attr || !value) - { - DEBUG_puts("1ippContainsString: Returning 0 (bad input)"); - return (0); - } - - /* - * Compare... - */ - - DEBUG_printf(("1ippContainsString: attr %s, %s with %d values.", - attr->name, ippTagString(attr->value_tag), - attr->num_values)); - - switch (attr->value_tag & IPP_TAG_CUPS_MASK) - { - case IPP_TAG_CHARSET : - case IPP_TAG_KEYWORD : - case IPP_TAG_LANGUAGE : - case IPP_TAG_URI : - case IPP_TAG_URISCHEME : - for (i = attr->num_values, avalue = attr->values; - i > 0; - i --, avalue ++) - { - DEBUG_printf(("1ippContainsString: value[%d]=\"%s\"", - attr->num_values - i, avalue->string.text)); - - if (!strcmp(value, avalue->string.text)) - { - DEBUG_puts("1ippContainsString: Returning 1 (match)"); - return (1); - } - } - - case IPP_TAG_MIMETYPE : - case IPP_TAG_NAME : - case IPP_TAG_NAMELANG : - case IPP_TAG_TEXT : - case IPP_TAG_TEXTLANG : - for (i = attr->num_values, avalue = attr->values; - i > 0; - i --, avalue ++) - { - DEBUG_printf(("1ippContainsString: value[%d]=\"%s\"", - attr->num_values - i, avalue->string.text)); - - if (!_cups_strcasecmp(value, avalue->string.text)) - { - DEBUG_puts("1ippContainsString: Returning 1 (match)"); - return (1); - } - } - - default : - break; - } - - DEBUG_puts("1ippContainsString: Returning 0 (no match)"); - - return (0); -} - - -/* - * 'ippCopyAttribute()' - Copy an attribute. - * - * The specified attribute, @code attr@, is copied to the destination IPP message. - * When @code quickcopy@ is non-zero, a "shallow" reference copy of the attribute is - * created - this should only be done as long as the original source IPP message will - * not be freed for the life of the destination. - * - * @since CUPS 1.6/macOS 10.8@ - */ - - -ipp_attribute_t * /* O - New attribute */ -ippCopyAttribute( - ipp_t *dst, /* I - Destination IPP message */ - ipp_attribute_t *srcattr, /* I - Attribute to copy */ - int quickcopy) /* I - 1 for a referenced copy, 0 for normal */ -{ - int i; /* Looping var */ - ipp_attribute_t *dstattr; /* Destination attribute */ - _ipp_value_t *srcval, /* Source value */ - *dstval; /* Destination value */ - - - DEBUG_printf(("ippCopyAttribute(dst=%p, srcattr=%p, quickcopy=%d)", (void *)dst, (void *)srcattr, quickcopy)); - - /* - * Range check input... - */ - - if (!dst || !srcattr) - return (NULL); - - /* - * Copy it... - */ - - quickcopy = quickcopy ? IPP_TAG_CUPS_CONST : 0; - - switch (srcattr->value_tag & ~IPP_TAG_CUPS_CONST) - { - case IPP_TAG_ZERO : - dstattr = ippAddSeparator(dst); - break; - - case IPP_TAG_UNSUPPORTED_VALUE : - case IPP_TAG_DEFAULT : - case IPP_TAG_UNKNOWN : - case IPP_TAG_NOVALUE : - case IPP_TAG_NOTSETTABLE : - case IPP_TAG_DELETEATTR : - case IPP_TAG_ADMINDEFINE : - dstattr = ippAddOutOfBand(dst, srcattr->group_tag, srcattr->value_tag & ~IPP_TAG_CUPS_CONST, srcattr->name); - break; - - case IPP_TAG_INTEGER : - case IPP_TAG_ENUM : - dstattr = ippAddIntegers(dst, srcattr->group_tag, srcattr->value_tag, - srcattr->name, srcattr->num_values, NULL); - if (!dstattr) - break; - - for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - dstval->integer = srcval->integer; - break; - - case IPP_TAG_BOOLEAN : - dstattr = ippAddBooleans(dst, srcattr->group_tag, srcattr->name, - srcattr->num_values, NULL); - if (!dstattr) - break; - - for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - dstval->boolean = srcval->boolean; - break; - - case IPP_TAG_TEXT : - case IPP_TAG_NAME : - case IPP_TAG_KEYWORD : - case IPP_TAG_URI : - case IPP_TAG_URISCHEME : - case IPP_TAG_CHARSET : - case IPP_TAG_LANGUAGE : - case IPP_TAG_MIMETYPE : - dstattr = ippAddStrings(dst, srcattr->group_tag, - (ipp_tag_t)(srcattr->value_tag | quickcopy), - srcattr->name, srcattr->num_values, NULL, NULL); - if (!dstattr) - break; - - if (quickcopy) - { - for (i = srcattr->num_values, srcval = srcattr->values, - dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - dstval->string.text = srcval->string.text; - } - else if (srcattr->value_tag & IPP_TAG_CUPS_CONST) - { - for (i = srcattr->num_values, srcval = srcattr->values, - dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - dstval->string.text = _cupsStrAlloc(srcval->string.text); - } - else - { - for (i = srcattr->num_values, srcval = srcattr->values, - dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - dstval->string.text = _cupsStrRetain(srcval->string.text); - } - break; - - case IPP_TAG_DATE : - if (srcattr->num_values != 1) - return (NULL); - - dstattr = ippAddDate(dst, srcattr->group_tag, srcattr->name, - srcattr->values[0].date); - break; - - case IPP_TAG_RESOLUTION : - dstattr = ippAddResolutions(dst, srcattr->group_tag, srcattr->name, - srcattr->num_values, IPP_RES_PER_INCH, - NULL, NULL); - if (!dstattr) - break; - - for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - { - dstval->resolution.xres = srcval->resolution.xres; - dstval->resolution.yres = srcval->resolution.yres; - dstval->resolution.units = srcval->resolution.units; - } - break; - - case IPP_TAG_RANGE : - dstattr = ippAddRanges(dst, srcattr->group_tag, srcattr->name, - srcattr->num_values, NULL, NULL); - if (!dstattr) - break; - - for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - { - dstval->range.lower = srcval->range.lower; - dstval->range.upper = srcval->range.upper; - } - break; - - case IPP_TAG_TEXTLANG : - case IPP_TAG_NAMELANG : - dstattr = ippAddStrings(dst, srcattr->group_tag, - (ipp_tag_t)(srcattr->value_tag | quickcopy), - srcattr->name, srcattr->num_values, NULL, NULL); - if (!dstattr) - break; - - if (quickcopy) - { - for (i = srcattr->num_values, srcval = srcattr->values, - dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - { - dstval->string.language = srcval->string.language; - dstval->string.text = srcval->string.text; - } - } - else if (srcattr->value_tag & IPP_TAG_CUPS_CONST) - { - for (i = srcattr->num_values, srcval = srcattr->values, - dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - { - if (srcval == srcattr->values) - dstval->string.language = _cupsStrAlloc(srcval->string.language); - else - dstval->string.language = dstattr->values[0].string.language; - - dstval->string.text = _cupsStrAlloc(srcval->string.text); - } - } - else - { - for (i = srcattr->num_values, srcval = srcattr->values, - dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - { - if (srcval == srcattr->values) - dstval->string.language = _cupsStrRetain(srcval->string.language); - else - dstval->string.language = dstattr->values[0].string.language; - - dstval->string.text = _cupsStrRetain(srcval->string.text); - } - } - break; - - case IPP_TAG_BEGIN_COLLECTION : - dstattr = ippAddCollections(dst, srcattr->group_tag, srcattr->name, - srcattr->num_values, NULL); - if (!dstattr) - break; - - for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - { - dstval->collection = srcval->collection; - srcval->collection->use ++; - } - break; - - case IPP_TAG_STRING : - default : - /* TODO: Implement quick copy for unknown/octetString values */ - dstattr = ippAddIntegers(dst, srcattr->group_tag, srcattr->value_tag, - srcattr->name, srcattr->num_values, NULL); - if (!dstattr) - break; - - for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; - i > 0; - i --, srcval ++, dstval ++) - { - dstval->unknown.length = srcval->unknown.length; - - if (dstval->unknown.length > 0) - { - if ((dstval->unknown.data = malloc((size_t)dstval->unknown.length)) == NULL) - dstval->unknown.length = 0; - else - memcpy(dstval->unknown.data, srcval->unknown.data, (size_t)dstval->unknown.length); - } - } - break; /* anti-compiler-warning-code */ - } - - return (dstattr); -} - - -/* - * 'ippCopyAttributes()' - Copy attributes from one IPP message to another. - * - * Zero or more attributes are copied from the source IPP message, @code src@, to the - * destination IPP message, @code dst@. When @code quickcopy@ is non-zero, a "shallow" - * reference copy of the attribute is created - this should only be done as long as the - * original source IPP message will not be freed for the life of the destination. - * - * The @code cb@ and @code context@ parameters provide a generic way to "filter" the - * attributes that are copied - the function must return 1 to copy the attribute or - * 0 to skip it. The function may also choose to do a partial copy of the source attribute - * itself. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on error */ -ippCopyAttributes( - ipp_t *dst, /* I - Destination IPP message */ - ipp_t *src, /* I - Source IPP message */ - int quickcopy, /* I - 1 for a referenced copy, 0 for normal */ - ipp_copycb_t cb, /* I - Copy callback or @code NULL@ for none */ - void *context) /* I - Context pointer */ -{ - ipp_attribute_t *srcattr; /* Source attribute */ - - - DEBUG_printf(("ippCopyAttributes(dst=%p, src=%p, quickcopy=%d, cb=%p, context=%p)", (void *)dst, (void *)src, quickcopy, (void *)cb, context)); - - /* - * Range check input... - */ - - if (!dst || !src) - return (0); - - /* - * Loop through source attributes and copy as needed... - */ - - for (srcattr = src->attrs; srcattr; srcattr = srcattr->next) - if (!cb || (*cb)(context, dst, srcattr)) - if (!ippCopyAttribute(dst, srcattr, quickcopy)) - return (0); - - return (1); -} - - -/* - * 'ippDateToTime()' - Convert from RFC 2579 Date/Time format to time in - * seconds. - */ - -time_t /* O - UNIX time value */ -ippDateToTime(const ipp_uchar_t *date) /* I - RFC 2579 date info */ -{ - struct tm unixdate; /* UNIX date/time info */ - time_t t; /* Computed time */ - - - if (!date) - return (0); - - memset(&unixdate, 0, sizeof(unixdate)); - - /* - * RFC-2579 date/time format is: - * - * Byte(s) Description - * ------- ----------- - * 0-1 Year (0 to 65535) - * 2 Month (1 to 12) - * 3 Day (1 to 31) - * 4 Hours (0 to 23) - * 5 Minutes (0 to 59) - * 6 Seconds (0 to 60, 60 = "leap second") - * 7 Deciseconds (0 to 9) - * 8 +/- UTC - * 9 UTC hours (0 to 11) - * 10 UTC minutes (0 to 59) - */ - - unixdate.tm_year = ((date[0] << 8) | date[1]) - 1900; - unixdate.tm_mon = date[2] - 1; - unixdate.tm_mday = date[3]; - unixdate.tm_hour = date[4]; - unixdate.tm_min = date[5]; - unixdate.tm_sec = date[6]; - - t = mktime(&unixdate); - - if (date[8] == '-') - t += date[9] * 3600 + date[10] * 60; - else - t -= date[9] * 3600 + date[10] * 60; - - return (t); -} - - -/* - * 'ippDelete()' - Delete an IPP message. - */ - -void -ippDelete(ipp_t *ipp) /* I - IPP message */ -{ - ipp_attribute_t *attr, /* Current attribute */ - *next; /* Next attribute */ - - - DEBUG_printf(("ippDelete(ipp=%p)", (void *)ipp)); - - if (!ipp) - return; - - ipp->use --; - if (ipp->use > 0) - { - DEBUG_printf(("4debug_retain: %p IPP message (use=%d)", (void *)ipp, ipp->use)); - return; - } - - DEBUG_printf(("4debug_free: %p IPP message", (void *)ipp)); - - for (attr = ipp->attrs; attr != NULL; attr = next) - { - next = attr->next; - - DEBUG_printf(("4debug_free: %p %s %s%s (%d values)", (void *)attr, attr->name, attr->num_values > 1 ? "1setOf " : "", ippTagString(attr->value_tag), attr->num_values)); - - ipp_free_values(attr, 0, attr->num_values); - - if (attr->name) - _cupsStrFree(attr->name); - - free(attr); - } - - free(ipp); -} - - -/* - * 'ippDeleteAttribute()' - Delete a single attribute in an IPP message. - * - * @since CUPS 1.1.19/macOS 10.3@ - */ - -void -ippDeleteAttribute( - ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t *attr) /* I - Attribute to delete */ -{ - ipp_attribute_t *current, /* Current attribute */ - *prev; /* Previous attribute */ - - - DEBUG_printf(("ippDeleteAttribute(ipp=%p, attr=%p(%s))", (void *)ipp, (void *)attr, attr ? attr->name : "(null)")); - - /* - * Range check input... - */ - - if (!attr) - return; - - DEBUG_printf(("4debug_free: %p %s %s%s (%d values)", (void *)attr, attr->name, attr->num_values > 1 ? "1setOf " : "", ippTagString(attr->value_tag), attr->num_values)); - - /* - * Find the attribute in the list... - */ - - if (ipp) - { - for (current = ipp->attrs, prev = NULL; - current; - prev = current, current = current->next) - if (current == attr) - { - /* - * Found it, remove the attribute from the list... - */ - - if (prev) - prev->next = current->next; - else - ipp->attrs = current->next; - - if (current == ipp->last) - ipp->last = prev; - - break; - } - - if (!current) - return; - } - - /* - * Free memory used by the attribute... - */ - - ipp_free_values(attr, 0, attr->num_values); - - if (attr->name) - _cupsStrFree(attr->name); - - free(attr); -} - - -/* - * 'ippDeleteValues()' - Delete values in an attribute. - * - * The @code element@ parameter specifies the first value to delete, starting at - * 0. It must be less than the number of values returned by @link ippGetCount@. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * Deleting all values in an attribute deletes the attribute. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippDeleteValues( - ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - Attribute */ - int element, /* I - Index of first value to delete (0-based) */ - int count) /* I - Number of values to delete */ -{ - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || - element < 0 || element >= (*attr)->num_values || count <= 0 || - (element + count) >= (*attr)->num_values) - return (0); - - /* - * If we are deleting all values, just delete the attribute entirely. - */ - - if (count == (*attr)->num_values) - { - ippDeleteAttribute(ipp, *attr); - *attr = NULL; - return (1); - } - - /* - * Otherwise free the values in question and return. - */ - - ipp_free_values(*attr, element, count); - - return (1); -} - - -/* - * 'ippFindAttribute()' - Find a named attribute in a request. - * - * Starting with CUPS 2.0, the attribute name can contain a hierarchical list - * of attribute and member names separated by slashes, for example - * "media-col/media-size". - */ - -ipp_attribute_t * /* O - Matching attribute */ -ippFindAttribute(ipp_t *ipp, /* I - IPP message */ - const char *name, /* I - Name of attribute */ - ipp_tag_t type) /* I - Type of attribute */ -{ - DEBUG_printf(("2ippFindAttribute(ipp=%p, name=\"%s\", type=%02x(%s))", (void *)ipp, name, type, ippTagString(type))); - - if (!ipp || !name) - return (NULL); - - /* - * Reset the current pointer... - */ - - ipp->current = NULL; - ipp->atend = 0; - - /* - * Search for the attribute... - */ - - return (ippFindNextAttribute(ipp, name, type)); -} - - -/* - * 'ippFindNextAttribute()' - Find the next named attribute in a request. - * - * Starting with CUPS 2.0, the attribute name can contain a hierarchical list - * of attribute and member names separated by slashes, for example - * "media-col/media-size". - */ - -ipp_attribute_t * /* O - Matching attribute */ -ippFindNextAttribute(ipp_t *ipp, /* I - IPP message */ - const char *name, /* I - Name of attribute */ - ipp_tag_t type) /* I - Type of attribute */ -{ - ipp_attribute_t *attr, /* Current atttribute */ - *childattr; /* Child attribute */ - ipp_tag_t value_tag; /* Value tag */ - char parent[1024], /* Parent attribute name */ - *child = NULL; /* Child attribute name */ - - - DEBUG_printf(("2ippFindNextAttribute(ipp=%p, name=\"%s\", type=%02x(%s))", (void *)ipp, name, type, ippTagString(type))); - - if (!ipp || !name) - return (NULL); - - DEBUG_printf(("3ippFindNextAttribute: atend=%d", ipp->atend)); - - if (ipp->atend) - return (NULL); - - if (strchr(name, '/')) - { - /* - * Search for child attribute... - */ - - strlcpy(parent, name, sizeof(parent)); - if ((child = strchr(parent, '/')) == NULL) - { - DEBUG_puts("3ippFindNextAttribute: Attribute name too long."); - return (NULL); - } - - *child++ = '\0'; - - if (ipp->current && ipp->current->name && ipp->current->value_tag == IPP_TAG_BEGIN_COLLECTION && !strcmp(parent, ipp->current->name)) - { - while (ipp->curindex < ipp->current->num_values) - { - if ((childattr = ippFindNextAttribute(ipp->current->values[ipp->curindex].collection, child, type)) != NULL) - return (childattr); - - ipp->curindex ++; - if (ipp->curindex < ipp->current->num_values && ipp->current->values[ipp->curindex].collection) - ipp->current->values[ipp->curindex].collection->current = NULL; - } - - ipp->prev = ipp->current; - ipp->current = ipp->current->next; - ipp->curindex = 0; - - if (!ipp->current) - { - ipp->atend = 1; - return (NULL); - } - } - - if (!ipp->current) - { - ipp->prev = NULL; - ipp->current = ipp->attrs; - ipp->curindex = 0; - } - - name = parent; - attr = ipp->current; - } - else if (ipp->current) - { - ipp->prev = ipp->current; - attr = ipp->current->next; - } - else - { - ipp->prev = NULL; - attr = ipp->attrs; - } - - for (; attr != NULL; ipp->prev = attr, attr = attr->next) - { - DEBUG_printf(("4ippFindAttribute: attr=%p, name=\"%s\"", (void *)attr, attr->name)); - - value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_CUPS_MASK); - - if (attr->name != NULL && _cups_strcasecmp(attr->name, name) == 0 && - (value_tag == type || type == IPP_TAG_ZERO || name == parent || - (value_tag == IPP_TAG_TEXTLANG && type == IPP_TAG_TEXT) || - (value_tag == IPP_TAG_NAMELANG && type == IPP_TAG_NAME))) - { - ipp->current = attr; - - if (name == parent && attr->value_tag == IPP_TAG_BEGIN_COLLECTION) - { - int i; /* Looping var */ - - for (i = 0; i < attr->num_values; i ++) - { - if ((childattr = ippFindAttribute(attr->values[i].collection, child, type)) != NULL) - { - attr->values[0].collection->curindex = i; - return (childattr); - } - } - } - else - return (attr); - } - } - - ipp->current = NULL; - ipp->prev = NULL; - ipp->atend = 1; - - return (NULL); -} - - -/* - * 'ippFirstAttribute()' - Return the first attribute in the message. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_attribute_t * /* O - First attribute or @code NULL@ if none */ -ippFirstAttribute(ipp_t *ipp) /* I - IPP message */ -{ - /* - * Range check input... - */ - - if (!ipp) - return (NULL); - - /* - * Return the first attribute... - */ - - return (ipp->current = ipp->attrs); -} - - -/* - * 'ippGetBoolean()' - Get a boolean value for an attribute. - * - * The @code element@ parameter specifies which value to get from 0 to - * @code ippGetCount(attr)@ - 1. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - Boolean value or 0 on error */ -ippGetBoolean(ipp_attribute_t *attr, /* I - IPP attribute */ - int element) /* I - Value number (0-based) */ -{ - /* - * Range check input... - */ - - if (!attr || attr->value_tag != IPP_TAG_BOOLEAN || - element < 0 || element >= attr->num_values) - return (0); - - /* - * Return the value... - */ - - return (attr->values[element].boolean); -} - - -/* - * 'ippGetCollection()' - Get a collection value for an attribute. - * - * The @code element@ parameter specifies which value to get from 0 to - * @code ippGetCount(attr)@ - 1. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_t * /* O - Collection value or @code NULL@ on error */ -ippGetCollection( - ipp_attribute_t *attr, /* I - IPP attribute */ - int element) /* I - Value number (0-based) */ -{ - /* - * Range check input... - */ - - if (!attr || attr->value_tag != IPP_TAG_BEGIN_COLLECTION || - element < 0 || element >= attr->num_values) - return (NULL); - - /* - * Return the value... - */ - - return (attr->values[element].collection); -} - - -/* - * 'ippGetCount()' - Get the number of values in an attribute. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - Number of values or 0 on error */ -ippGetCount(ipp_attribute_t *attr) /* I - IPP attribute */ -{ - /* - * Range check input... - */ - - if (!attr) - return (0); - - /* - * Return the number of values... - */ - - return (attr->num_values); -} - - -/* - * 'ippGetDate()' - Get a dateTime value for an attribute. - * - * The @code element@ parameter specifies which value to get from 0 to - * @code ippGetCount(attr)@ - 1. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -const ipp_uchar_t * /* O - dateTime value or @code NULL@ */ -ippGetDate(ipp_attribute_t *attr, /* I - IPP attribute */ - int element) /* I - Value number (0-based) */ -{ - /* - * Range check input... - */ - - if (!attr || attr->value_tag != IPP_TAG_DATE || - element < 0 || element >= attr->num_values) - return (NULL); - - /* - * Return the value... - */ - - return (attr->values[element].date); -} - - -/* - * 'ippGetGroupTag()' - Get the group associated with an attribute. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_tag_t /* O - Group tag or @code IPP_TAG_ZERO@ on error */ -ippGetGroupTag(ipp_attribute_t *attr) /* I - IPP attribute */ -{ - /* - * Range check input... - */ - - if (!attr) - return (IPP_TAG_ZERO); - - /* - * Return the group... - */ - - return (attr->group_tag); -} - - -/* - * 'ippGetInteger()' - Get the integer/enum value for an attribute. - * - * The @code element@ parameter specifies which value to get from 0 to - * @code ippGetCount(attr)@ - 1. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - Value or 0 on error */ -ippGetInteger(ipp_attribute_t *attr, /* I - IPP attribute */ - int element) /* I - Value number (0-based) */ -{ - /* - * Range check input... - */ - - if (!attr || (attr->value_tag != IPP_TAG_INTEGER && attr->value_tag != IPP_TAG_ENUM) || - element < 0 || element >= attr->num_values) - return (0); - - /* - * Return the value... - */ - - return (attr->values[element].integer); -} - - -/* - * 'ippGetName()' - Get the attribute name. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -const char * /* O - Attribute name or @code NULL@ for separators */ -ippGetName(ipp_attribute_t *attr) /* I - IPP attribute */ -{ - /* - * Range check input... - */ - - if (!attr) - return (NULL); - - /* - * Return the name... - */ - - return (attr->name); -} - - -/* - * 'ippGetOctetString()' - Get an octetString value from an IPP attribute. - * - * The @code element@ parameter specifies which value to get from 0 to - * @code ippGetCount(attr)@ - 1. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -void * /* O - Pointer to octetString data */ -ippGetOctetString( - ipp_attribute_t *attr, /* I - IPP attribute */ - int element, /* I - Value number (0-based) */ - int *datalen) /* O - Length of octetString data */ -{ - /* - * Range check input... - */ - - if (!attr || attr->value_tag != IPP_TAG_STRING || - element < 0 || element >= attr->num_values) - { - if (datalen) - *datalen = 0; - - return (NULL); - } - - /* - * Return the values... - */ - - if (datalen) - *datalen = attr->values[element].unknown.length; - - return (attr->values[element].unknown.data); -} - - -/* - * 'ippGetOperation()' - Get the operation ID in an IPP message. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_op_t /* O - Operation ID or 0 on error */ -ippGetOperation(ipp_t *ipp) /* I - IPP request message */ -{ - /* - * Range check input... - */ - - if (!ipp) - return ((ipp_op_t)0); - - /* - * Return the value... - */ - - return (ipp->request.op.operation_id); -} - - -/* - * 'ippGetRange()' - Get a rangeOfInteger value from an attribute. - * - * The @code element@ parameter specifies which value to get from 0 to - * @code ippGetCount(attr)@ - 1. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - Lower value of range or 0 */ -ippGetRange(ipp_attribute_t *attr, /* I - IPP attribute */ - int element, /* I - Value number (0-based) */ - int *uppervalue)/* O - Upper value of range */ -{ - /* - * Range check input... - */ - - if (!attr || attr->value_tag != IPP_TAG_RANGE || - element < 0 || element >= attr->num_values) - { - if (uppervalue) - *uppervalue = 0; - - return (0); - } - - /* - * Return the values... - */ - - if (uppervalue) - *uppervalue = attr->values[element].range.upper; - - return (attr->values[element].range.lower); -} - - -/* - * 'ippGetRequestId()' - Get the request ID from an IPP message. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - Request ID or 0 on error */ -ippGetRequestId(ipp_t *ipp) /* I - IPP message */ -{ - /* - * Range check input... - */ - - if (!ipp) - return (0); - - /* - * Return the request ID... - */ - - return (ipp->request.any.request_id); -} - - -/* - * 'ippGetResolution()' - Get a resolution value for an attribute. - * - * The @code element@ parameter specifies which value to get from 0 to - * @code ippGetCount(attr)@ - 1. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - Horizontal/cross feed resolution or 0 */ -ippGetResolution( - ipp_attribute_t *attr, /* I - IPP attribute */ - int element, /* I - Value number (0-based) */ - int *yres, /* O - Vertical/feed resolution */ - ipp_res_t *units) /* O - Units for resolution */ -{ - /* - * Range check input... - */ - - if (!attr || attr->value_tag != IPP_TAG_RESOLUTION || - element < 0 || element >= attr->num_values) - { - if (yres) - *yres = 0; - - if (units) - *units = (ipp_res_t)0; - - return (0); - } - - /* - * Return the value... - */ - - if (yres) - *yres = attr->values[element].resolution.yres; - - if (units) - *units = attr->values[element].resolution.units; - - return (attr->values[element].resolution.xres); -} - - -/* - * 'ippGetState()' - Get the IPP message state. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_state_t /* O - IPP message state value */ -ippGetState(ipp_t *ipp) /* I - IPP message */ -{ - /* - * Range check input... - */ - - if (!ipp) - return (IPP_STATE_IDLE); - - /* - * Return the value... - */ - - return (ipp->state); -} - - -/* - * 'ippGetStatusCode()' - Get the status code from an IPP response or event message. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_status_t /* O - Status code in IPP message */ -ippGetStatusCode(ipp_t *ipp) /* I - IPP response or event message */ -{ - /* - * Range check input... - */ - - if (!ipp) - return (IPP_STATUS_ERROR_INTERNAL); - - /* - * Return the value... - */ - - return (ipp->request.status.status_code); -} - - -/* - * 'ippGetString()' - Get the string and optionally the language code for an attribute. - * - * The @code element@ parameter specifies which value to get from 0 to - * @code ippGetCount(attr)@ - 1. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -const char * -ippGetString(ipp_attribute_t *attr, /* I - IPP attribute */ - int element, /* I - Value number (0-based) */ - const char **language)/* O - Language code (@code NULL@ for don't care) */ -{ - ipp_tag_t tag; /* Value tag */ - - - /* - * Range check input... - */ - - tag = ippGetValueTag(attr); - - if (!attr || element < 0 || element >= attr->num_values || (tag != IPP_TAG_TEXTLANG && tag != IPP_TAG_NAMELANG && (tag < IPP_TAG_TEXT || tag > IPP_TAG_MIMETYPE))) - return (NULL); - - /* - * Return the value... - */ - - if (language) - *language = attr->values[element].string.language; - - return (attr->values[element].string.text); -} - - -/* - * 'ippGetValueTag()' - Get the value tag for an attribute. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_tag_t /* O - Value tag or @code IPP_TAG_ZERO@ on error */ -ippGetValueTag(ipp_attribute_t *attr) /* I - IPP attribute */ -{ - /* - * Range check input... - */ - - if (!attr) - return (IPP_TAG_ZERO); - - /* - * Return the value... - */ - - return (attr->value_tag & IPP_TAG_CUPS_MASK); -} - - -/* - * 'ippGetVersion()' - Get the major and minor version number from an IPP message. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - Major version number or 0 on error */ -ippGetVersion(ipp_t *ipp, /* I - IPP message */ - int *minor) /* O - Minor version number or @code NULL@ for don't care */ -{ - /* - * Range check input... - */ - - if (!ipp) - { - if (minor) - *minor = 0; - - return (0); - } - - /* - * Return the value... - */ - - if (minor) - *minor = ipp->request.any.version[1]; - - return (ipp->request.any.version[0]); -} - - -/* - * 'ippLength()' - Compute the length of an IPP message. - */ - -size_t /* O - Size of IPP message */ -ippLength(ipp_t *ipp) /* I - IPP message */ -{ - return (ipp_length(ipp, 0)); -} - - -/* - * 'ippNextAttribute()' - Return the next attribute in the message. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -ipp_attribute_t * /* O - Next attribute or @code NULL@ if none */ -ippNextAttribute(ipp_t *ipp) /* I - IPP message */ -{ - /* - * Range check input... - */ - - if (!ipp || !ipp->current) - return (NULL); - - /* - * Return the next attribute... - */ - - return (ipp->current = ipp->current->next); -} - - -/* - * 'ippNew()' - Allocate a new IPP message. - */ - -ipp_t * /* O - New IPP message */ -ippNew(void) -{ - ipp_t *temp; /* New IPP message */ - _cups_globals_t *cg = _cupsGlobals(); - /* Global data */ - - - DEBUG_puts("ippNew()"); - - if ((temp = (ipp_t *)calloc(1, sizeof(ipp_t))) != NULL) - { - /* - * Set default version - usually 2.0... - */ - - DEBUG_printf(("4debug_alloc: %p IPP message", (void *)temp)); - - if (cg->server_version == 0) - _cupsSetDefaults(); - - temp->request.any.version[0] = (ipp_uchar_t)(cg->server_version / 10); - temp->request.any.version[1] = (ipp_uchar_t)(cg->server_version % 10); - temp->use = 1; - } - - DEBUG_printf(("1ippNew: Returning %p", (void *)temp)); - - return (temp); -} - - -/* - * 'ippNewRequest()' - Allocate a new IPP request message. - * - * The new request message is initialized with the "attributes-charset" and - * "attributes-natural-language" attributes added. The - * "attributes-natural-language" value is derived from the current locale. - * - * @since CUPS 1.2/macOS 10.5@ - */ - -ipp_t * /* O - IPP request message */ -ippNewRequest(ipp_op_t op) /* I - Operation code */ -{ - ipp_t *request; /* IPP request message */ - cups_lang_t *language; /* Current language localization */ - static int request_id = 0; /* Current request ID */ - static _cups_mutex_t request_mutex = _CUPS_MUTEX_INITIALIZER; - /* Mutex for request ID */ - - - DEBUG_printf(("ippNewRequest(op=%02x(%s))", op, ippOpString(op))); - - /* - * Create a new IPP message... - */ - - if ((request = ippNew()) == NULL) - return (NULL); - - /* - * Set the operation and request ID... - */ - - _cupsMutexLock(&request_mutex); - - request->request.op.operation_id = op; - request->request.op.request_id = ++request_id; - - _cupsMutexUnlock(&request_mutex); - - /* - * Use UTF-8 as the character set... - */ - - ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, - "attributes-charset", NULL, "utf-8"); - - /* - * Get the language from the current locale... - */ - - language = cupsLangDefault(); - - ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, - "attributes-natural-language", NULL, language->language); - - /* - * Return the new request... - */ - - return (request); -} - - -/* - * 'ippNewResponse()' - Allocate a new IPP response message. - * - * The new response message is initialized with the same "version-number", - * "request-id", "attributes-charset", and "attributes-natural-language" as the - * provided request message. If the "attributes-charset" or - * "attributes-natural-language" attributes are missing from the request, - * 'utf-8' and a value derived from the current locale are substituted, - * respectively. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -ipp_t * /* O - IPP response message */ -ippNewResponse(ipp_t *request) /* I - IPP request message */ -{ - ipp_t *response; /* IPP response message */ - ipp_attribute_t *attr; /* Current attribute */ - - - /* - * Range check input... - */ - - if (!request) - return (NULL); - - /* - * Create a new IPP message... - */ - - if ((response = ippNew()) == NULL) - return (NULL); - - /* - * Copy the request values over to the response... - */ - - response->request.status.version[0] = request->request.op.version[0]; - response->request.status.version[1] = request->request.op.version[1]; - response->request.status.request_id = request->request.op.request_id; - - /* - * The first attribute MUST be attributes-charset... - */ - - attr = request->attrs; - - if (attr && attr->name && !strcmp(attr->name, "attributes-charset") && - attr->group_tag == IPP_TAG_OPERATION && - attr->value_tag == IPP_TAG_CHARSET && - attr->num_values == 1) - { - /* - * Copy charset from request... - */ - - ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_CHARSET, - "attributes-charset", NULL, attr->values[0].string.text); - } - else - { - /* - * Use "utf-8" as the default... - */ - - ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_CHARSET, - "attributes-charset", NULL, "utf-8"); - } - - /* - * Then attributes-natural-language... - */ - - if (attr) - attr = attr->next; - - if (attr && attr->name && - !strcmp(attr->name, "attributes-natural-language") && - attr->group_tag == IPP_TAG_OPERATION && - attr->value_tag == IPP_TAG_LANGUAGE && - attr->num_values == 1) - { - /* - * Copy language from request... - */ - - ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, - "attributes-natural-language", NULL, - attr->values[0].string.text); - } - else - { - /* - * Use the language from the current locale... - */ - - cups_lang_t *language = cupsLangDefault(); - /* Current locale */ - - ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, - "attributes-natural-language", NULL, language->language); - } - - return (response); -} - - -/* - * 'ippRead()' - Read data for an IPP message from a HTTP connection. - */ - -ipp_state_t /* O - Current state */ -ippRead(http_t *http, /* I - HTTP connection */ - ipp_t *ipp) /* I - IPP data */ -{ - DEBUG_printf(("ippRead(http=%p, ipp=%p), data_remaining=" CUPS_LLFMT, (void *)http, (void *)ipp, CUPS_LLCAST (http ? http->data_remaining : -1))); - - if (!http) - return (IPP_STATE_ERROR); - - DEBUG_printf(("2ippRead: http->state=%d, http->used=%d", http->state, http->used)); - - return (ippReadIO(http, (ipp_iocb_t)ipp_read_http, http->blocking, NULL, - ipp)); -} - - -/* - * 'ippReadFile()' - Read data for an IPP message from a file. - * - * @since CUPS 1.1.19/macOS 10.3@ - */ - -ipp_state_t /* O - Current state */ -ippReadFile(int fd, /* I - HTTP data */ - ipp_t *ipp) /* I - IPP data */ -{ - DEBUG_printf(("ippReadFile(fd=%d, ipp=%p)", fd, (void *)ipp)); - - return (ippReadIO(&fd, (ipp_iocb_t)ipp_read_file, 1, NULL, ipp)); -} - - -/* - * 'ippReadIO()' - Read data for an IPP message. - * - * @since CUPS 1.2/macOS 10.5@ - */ - -ipp_state_t /* O - Current state */ -ippReadIO(void *src, /* I - Data source */ - ipp_iocb_t cb, /* I - Read callback function */ - int blocking, /* I - Use blocking IO? */ - ipp_t *parent, /* I - Parent request, if any */ - ipp_t *ipp) /* I - IPP data */ -{ - int n; /* Length of data */ - unsigned char *buffer, /* Data buffer */ - string[IPP_MAX_TEXT], - /* Small string buffer */ - *bufptr; /* Pointer into buffer */ - ipp_attribute_t *attr; /* Current attribute */ - ipp_tag_t tag; /* Current tag */ - ipp_tag_t value_tag; /* Current value tag */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("ippReadIO(src=%p, cb=%p, blocking=%d, parent=%p, ipp=%p)", (void *)src, (void *)cb, blocking, (void *)parent, (void *)ipp)); - DEBUG_printf(("2ippReadIO: ipp->state=%d", ipp ? ipp->state : IPP_STATE_ERROR)); - - if (!src || !ipp) - return (IPP_STATE_ERROR); - - if ((buffer = (unsigned char *)_cupsBufferGet(IPP_BUF_SIZE)) == NULL) - { - DEBUG_puts("1ippReadIO: Unable to get read buffer."); - return (IPP_STATE_ERROR); - } - - switch (ipp->state) - { - case IPP_STATE_IDLE : - ipp->state ++; /* Avoid common problem... */ - - case IPP_STATE_HEADER : - if (parent == NULL) - { - /* - * Get the request header... - */ - - if ((*cb)(src, buffer, 8) < 8) - { - DEBUG_puts("1ippReadIO: Unable to read header."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - /* - * Then copy the request header over... - */ - - ipp->request.any.version[0] = buffer[0]; - ipp->request.any.version[1] = buffer[1]; - ipp->request.any.op_status = (buffer[2] << 8) | buffer[3]; - ipp->request.any.request_id = (((((buffer[4] << 8) | buffer[5]) << 8) | - buffer[6]) << 8) | buffer[7]; - - DEBUG_printf(("2ippReadIO: version=%d.%d", buffer[0], buffer[1])); - DEBUG_printf(("2ippReadIO: op_status=%04x", - ipp->request.any.op_status)); - DEBUG_printf(("2ippReadIO: request_id=%d", - ipp->request.any.request_id)); - } - - ipp->state = IPP_STATE_ATTRIBUTE; - ipp->current = NULL; - ipp->curtag = IPP_TAG_ZERO; - ipp->prev = ipp->last; - - /* - * If blocking is disabled, stop here... - */ - - if (!blocking) - break; - - case IPP_STATE_ATTRIBUTE : - for (;;) - { - if ((*cb)(src, buffer, 1) < 1) - { - DEBUG_puts("1ippReadIO: Callback returned EOF/error"); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - DEBUG_printf(("2ippReadIO: ipp->current=%p, ipp->prev=%p", (void *)ipp->current, (void *)ipp->prev)); - - /* - * Read this attribute... - */ - - tag = (ipp_tag_t)buffer[0]; - if (tag == IPP_TAG_EXTENSION) - { - /* - * Read 32-bit "extension" tag... - */ - - if ((*cb)(src, buffer, 4) < 1) - { - DEBUG_puts("1ippReadIO: Callback returned EOF/error"); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - tag = (ipp_tag_t)((((((buffer[0] << 8) | buffer[1]) << 8) | - buffer[2]) << 8) | buffer[3]); - - if (tag & IPP_TAG_CUPS_CONST) - { - /* - * Fail if the high bit is set in the tag... - */ - - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP extension tag larger than 0x7FFFFFFF."), 1); - DEBUG_printf(("1ippReadIO: bad tag 0x%x.", tag)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - } - - if (tag == IPP_TAG_END) - { - /* - * No more attributes left... - */ - - DEBUG_puts("2ippReadIO: IPP_TAG_END."); - - ipp->state = IPP_STATE_DATA; - break; - } - else if (tag < IPP_TAG_UNSUPPORTED_VALUE) - { - /* - * Group tag... Set the current group and continue... - */ - - if (ipp->curtag == tag) - ipp->prev = ippAddSeparator(ipp); - else if (ipp->current) - ipp->prev = ipp->current; - - ipp->curtag = tag; - ipp->current = NULL; - DEBUG_printf(("2ippReadIO: group tag=%x(%s), ipp->prev=%p", tag, ippTagString(tag), (void *)ipp->prev)); - continue; - } - - DEBUG_printf(("2ippReadIO: value tag=%x(%s)", tag, - ippTagString(tag))); - - /* - * Get the name... - */ - - if ((*cb)(src, buffer, 2) < 2) - { - DEBUG_puts("1ippReadIO: unable to read name length."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - n = (buffer[0] << 8) | buffer[1]; - - if (n >= IPP_BUF_SIZE) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP name larger than 32767 bytes."), 1); - DEBUG_printf(("1ippReadIO: bad name length %d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - DEBUG_printf(("2ippReadIO: name length=%d", n)); - - if (n == 0 && tag != IPP_TAG_MEMBERNAME && - tag != IPP_TAG_END_COLLECTION) - { - /* - * More values for current attribute... - */ - - if (ipp->current == NULL) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP attribute has no name."), 1); - DEBUG_puts("1ippReadIO: Attribute without name and no current."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - attr = ipp->current; - value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_CUPS_MASK); - - /* - * Make sure we aren't adding a new value of a different - * type... - */ - - if (value_tag == IPP_TAG_ZERO) - { - /* - * Setting the value of a collection member... - */ - - attr->value_tag = tag; - } - else if (value_tag == IPP_TAG_TEXTLANG || - value_tag == IPP_TAG_NAMELANG || - (value_tag >= IPP_TAG_TEXT && - value_tag <= IPP_TAG_MIMETYPE)) - { - /* - * String values can sometimes come across in different - * forms; accept sets of differing values... - */ - - if (tag != IPP_TAG_TEXTLANG && tag != IPP_TAG_NAMELANG && - (tag < IPP_TAG_TEXT || tag > IPP_TAG_MIMETYPE) && - tag != IPP_TAG_NOVALUE) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP 1setOf attribute with incompatible value " - "tags."), 1); - DEBUG_printf(("1ippReadIO: 1setOf value tag %x(%s) != %x(%s)", - value_tag, ippTagString(value_tag), tag, - ippTagString(tag))); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if (value_tag != tag) - { - DEBUG_printf(("1ippReadIO: Converting %s attribute from %s to %s.", - attr->name, ippTagString(value_tag), ippTagString(tag))); - ippSetValueTag(ipp, &attr, tag); - } - } - else if (value_tag == IPP_TAG_INTEGER || - value_tag == IPP_TAG_RANGE) - { - /* - * Integer and rangeOfInteger values can sometimes be mixed; accept - * sets of differing values... - */ - - if (tag != IPP_TAG_INTEGER && tag != IPP_TAG_RANGE) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP 1setOf attribute with incompatible value " - "tags."), 1); - DEBUG_printf(("1ippReadIO: 1setOf value tag %x(%s) != %x(%s)", - value_tag, ippTagString(value_tag), tag, - ippTagString(tag))); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if (value_tag == IPP_TAG_INTEGER && tag == IPP_TAG_RANGE) - { - /* - * Convert integer values to rangeOfInteger values... - */ - - DEBUG_printf(("1ippReadIO: Converting %s attribute to " - "rangeOfInteger.", attr->name)); - ippSetValueTag(ipp, &attr, IPP_TAG_RANGE); - } - } - else if (value_tag != tag) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP 1setOf attribute with incompatible value " - "tags."), 1); - DEBUG_printf(("1ippReadIO: value tag %x(%s) != %x(%s)", - value_tag, ippTagString(value_tag), tag, - ippTagString(tag))); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - /* - * Finally, reallocate the attribute array as needed... - */ - - if ((value = ipp_set_value(ipp, &attr, attr->num_values)) == NULL) - { - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - } - else if (tag == IPP_TAG_MEMBERNAME) - { - /* - * Name must be length 0! - */ - - if (n) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP member name is not empty."), 1); - DEBUG_puts("1ippReadIO: member name not empty."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if (ipp->current) - ipp->prev = ipp->current; - - attr = ipp->current = ipp_add_attr(ipp, NULL, ipp->curtag, IPP_TAG_ZERO, 1); - if (!attr) - { - _cupsSetHTTPError(HTTP_STATUS_ERROR); - DEBUG_puts("1ippReadIO: unable to allocate attribute."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - DEBUG_printf(("2ippReadIO: membername, ipp->current=%p, ipp->prev=%p", (void *)ipp->current, (void *)ipp->prev)); - - value = attr->values; - } - else if (tag != IPP_TAG_END_COLLECTION) - { - /* - * New attribute; read the name and add it... - */ - - if ((*cb)(src, buffer, (size_t)n) < n) - { - DEBUG_puts("1ippReadIO: unable to read name."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - buffer[n] = '\0'; - - if (ipp->current) - ipp->prev = ipp->current; - - if ((attr = ipp->current = ipp_add_attr(ipp, (char *)buffer, ipp->curtag, tag, - 1)) == NULL) - { - _cupsSetHTTPError(HTTP_STATUS_ERROR); - DEBUG_puts("1ippReadIO: unable to allocate attribute."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - DEBUG_printf(("2ippReadIO: name=\"%s\", ipp->current=%p, ipp->prev=%p", buffer, (void *)ipp->current, (void *)ipp->prev)); - - value = attr->values; - } - else - { - attr = NULL; - value = NULL; - } - - if ((*cb)(src, buffer, 2) < 2) - { - DEBUG_puts("1ippReadIO: unable to read value length."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - n = (buffer[0] << 8) | buffer[1]; - DEBUG_printf(("2ippReadIO: value length=%d", n)); - - if (n >= IPP_BUF_SIZE) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP value larger than 32767 bytes."), 1); - DEBUG_printf(("1ippReadIO: bad value length %d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - switch (tag) - { - case IPP_TAG_INTEGER : - case IPP_TAG_ENUM : - if (n != 4) - { - if (tag == IPP_TAG_INTEGER) - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP integer value not 4 bytes."), 1); - else - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP enum value not 4 bytes."), 1); - DEBUG_printf(("1ippReadIO: bad integer value length %d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((*cb)(src, buffer, 4) < 4) - { - DEBUG_puts("1ippReadIO: Unable to read integer value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | - buffer[3]; - - if (attr->value_tag == IPP_TAG_RANGE) - value->range.lower = value->range.upper = n; - else - value->integer = n; - break; - - case IPP_TAG_BOOLEAN : - if (n != 1) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP boolean value not 1 byte."), - 1); - DEBUG_printf(("1ippReadIO: bad boolean value length %d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((*cb)(src, buffer, 1) < 1) - { - DEBUG_puts("1ippReadIO: Unable to read boolean value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - value->boolean = (char)buffer[0]; - break; - - case IPP_TAG_NOVALUE : - case IPP_TAG_NOTSETTABLE : - case IPP_TAG_DELETEATTR : - case IPP_TAG_ADMINDEFINE : - /* - * These value types are not supposed to have values, however - * some vendors (Brother) do not implement IPP correctly and so - * we need to map non-empty values to text... - */ - - if (attr->value_tag == tag) - { - if (n == 0) - break; - - attr->value_tag = IPP_TAG_TEXT; - } - - case IPP_TAG_TEXT : - case IPP_TAG_NAME : - case IPP_TAG_KEYWORD : - case IPP_TAG_URI : - case IPP_TAG_URISCHEME : - case IPP_TAG_CHARSET : - case IPP_TAG_LANGUAGE : - case IPP_TAG_MIMETYPE : - if (n > 0) - { - if ((*cb)(src, buffer, (size_t)n) < n) - { - DEBUG_puts("1ippReadIO: unable to read string value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - } - - buffer[n] = '\0'; - value->string.text = _cupsStrAlloc((char *)buffer); - DEBUG_printf(("2ippReadIO: value=\"%s\"", value->string.text)); - break; - - case IPP_TAG_DATE : - if (n != 11) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP date value not 11 bytes."), 1); - DEBUG_printf(("1ippReadIO: bad date value length %d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((*cb)(src, value->date, 11) < 11) - { - DEBUG_puts("1ippReadIO: Unable to read date value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - break; - - case IPP_TAG_RESOLUTION : - if (n != 9) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP resolution value not 9 bytes."), 1); - DEBUG_printf(("1ippReadIO: bad resolution value length %d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((*cb)(src, buffer, 9) < 9) - { - DEBUG_puts("1ippReadIO: Unable to read resolution value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - value->resolution.xres = - (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | - buffer[3]; - value->resolution.yres = - (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | - buffer[7]; - value->resolution.units = - (ipp_res_t)buffer[8]; - break; - - case IPP_TAG_RANGE : - if (n != 8) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP rangeOfInteger value not 8 bytes."), 1); - DEBUG_printf(("1ippReadIO: bad rangeOfInteger value length " - "%d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((*cb)(src, buffer, 8) < 8) - { - DEBUG_puts("1ippReadIO: Unable to read range value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - value->range.lower = - (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | - buffer[3]; - value->range.upper = - (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | - buffer[7]; - break; - - case IPP_TAG_TEXTLANG : - case IPP_TAG_NAMELANG : - if (n < 4) - { - if (tag == IPP_TAG_TEXTLANG) - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP textWithLanguage value less than " - "minimum 4 bytes."), 1); - else - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP nameWithLanguage value less than " - "minimum 4 bytes."), 1); - DEBUG_printf(("1ippReadIO: bad stringWithLanguage value " - "length %d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((*cb)(src, buffer, (size_t)n) < n) - { - DEBUG_puts("1ippReadIO: Unable to read string w/language " - "value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - - /* - * text-with-language and name-with-language are composite - * values: - * - * language-length - * language - * text-length - * text - */ - - n = (bufptr[0] << 8) | bufptr[1]; - - if ((bufptr + 2 + n) >= (buffer + IPP_BUF_SIZE) || n >= (int)sizeof(string)) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP language length overflows value."), 1); - DEBUG_printf(("1ippReadIO: bad language value length %d.", - n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - else if (n >= IPP_MAX_LANGUAGE) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP language length too large."), 1); - DEBUG_printf(("1ippReadIO: bad language value length %d.", - n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - memcpy(string, bufptr + 2, (size_t)n); - string[n] = '\0'; - - value->string.language = _cupsStrAlloc((char *)string); - - bufptr += 2 + n; - n = (bufptr[0] << 8) | bufptr[1]; - - if ((bufptr + 2 + n) >= (buffer + IPP_BUF_SIZE)) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP string length overflows value."), 1); - DEBUG_printf(("1ippReadIO: bad string value length %d.", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr[2 + n] = '\0'; - value->string.text = _cupsStrAlloc((char *)bufptr + 2); - break; - - case IPP_TAG_BEGIN_COLLECTION : - /* - * Oh, boy, here comes a collection value, so read it... - */ - - value->collection = ippNew(); - - if (n > 0) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP begCollection value not 0 bytes."), 1); - DEBUG_puts("1ippReadIO: begCollection tag with value length " - "> 0."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if (ippReadIO(src, cb, 1, ipp, value->collection) == IPP_STATE_ERROR) - { - DEBUG_puts("1ippReadIO: Unable to read collection value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - break; - - case IPP_TAG_END_COLLECTION : - _cupsBufferRelease((char *)buffer); - - if (n > 0) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP endCollection value not 0 bytes."), 1); - DEBUG_puts("1ippReadIO: endCollection tag with value length " - "> 0."); - return (IPP_STATE_ERROR); - } - - DEBUG_puts("1ippReadIO: endCollection tag..."); - return (ipp->state = IPP_STATE_DATA); - - case IPP_TAG_MEMBERNAME : - /* - * The value the name of the member in the collection, which - * we need to carry over... - */ - - if (!attr) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP memberName with no attribute."), 1); - DEBUG_puts("1ippReadIO: Member name without attribute."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - else if (n == 0) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP memberName value is empty."), 1); - DEBUG_puts("1ippReadIO: Empty member name value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - else if ((*cb)(src, buffer, (size_t)n) < n) - { - DEBUG_puts("1ippReadIO: Unable to read member name value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - buffer[n] = '\0'; - attr->name = _cupsStrAlloc((char *)buffer); - - /* - * Since collection members are encoded differently than - * regular attributes, make sure we don't start with an - * empty value... - */ - - attr->num_values --; - - DEBUG_printf(("2ippReadIO: member name=\"%s\"", attr->name)); - break; - - default : /* Other unsupported values */ - if (tag == IPP_TAG_STRING && n > IPP_MAX_LENGTH) - { - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP octetString length too large."), 1); - DEBUG_printf(("1ippReadIO: bad octetString value length %d.", - n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - value->unknown.length = n; - - if (n > 0) - { - if ((value->unknown.data = malloc((size_t)n)) == NULL) - { - _cupsSetHTTPError(HTTP_STATUS_ERROR); - DEBUG_puts("1ippReadIO: Unable to allocate value"); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((*cb)(src, value->unknown.data, (size_t)n) < n) - { - DEBUG_puts("1ippReadIO: Unable to read unsupported value."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - } - else - value->unknown.data = NULL; - break; - } - - /* - * If blocking is disabled, stop here... - */ - - if (!blocking) - break; - } - break; - - case IPP_STATE_DATA : - break; - - default : - break; /* anti-compiler-warning-code */ - } - - DEBUG_printf(("1ippReadIO: returning ipp->state=%d.", ipp->state)); - _cupsBufferRelease((char *)buffer); - - return (ipp->state); -} - - -/* - * 'ippSetBoolean()' - Set a boolean value in an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetBoolean(ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - int boolvalue)/* I - Boolean value */ -{ - _ipp_value_t *value; /* Current value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_BOOLEAN || - element < 0 || element > (*attr)->num_values) - return (0); - - /* - * Set the value and return... - */ - - if ((value = ipp_set_value(ipp, attr, element)) != NULL) - value->boolean = (char)boolvalue; - - return (value != NULL); -} - - -/* - * 'ippSetCollection()' - Set a collection value in an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetCollection( - ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - ipp_t *colvalue) /* I - Collection value */ -{ - _ipp_value_t *value; /* Current value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_BEGIN_COLLECTION || - element < 0 || element > (*attr)->num_values || !colvalue) - return (0); - - /* - * Set the value and return... - */ - - if ((value = ipp_set_value(ipp, attr, element)) != NULL) - { - if (value->collection) - ippDelete(value->collection); - - value->collection = colvalue; - colvalue->use ++; - } - - return (value != NULL); -} - - -/* - * 'ippSetDate()' - Set a dateTime value in an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetDate(ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - const ipp_uchar_t *datevalue)/* I - dateTime value */ -{ - _ipp_value_t *value; /* Current value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_DATE || - element < 0 || element > (*attr)->num_values || !datevalue) - return (0); - - /* - * Set the value and return... - */ - - if ((value = ipp_set_value(ipp, attr, element)) != NULL) - memcpy(value->date, datevalue, sizeof(value->date)); - - return (value != NULL); -} - - -/* - * 'ippSetGroupTag()' - Set the group tag of an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code group@ parameter specifies the IPP attribute group tag: none - * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), - * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation - * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription - * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetGroupTag( - ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - Attribute */ - ipp_tag_t group_tag) /* I - Group tag */ -{ - /* - * Range check input - group tag must be 0x01 to 0x0F, per RFC 8011... - */ - - if (!ipp || !attr || !*attr || - group_tag < IPP_TAG_ZERO || group_tag == IPP_TAG_END || - group_tag >= IPP_TAG_UNSUPPORTED_VALUE) - return (0); - - /* - * Set the group tag and return... - */ - - (*attr)->group_tag = group_tag; - - return (1); -} - - -/* - * 'ippSetInteger()' - Set an integer or enum value in an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetInteger(ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - int intvalue) /* I - Integer/enum value */ -{ - _ipp_value_t *value; /* Current value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || - ((*attr)->value_tag != IPP_TAG_INTEGER && (*attr)->value_tag != IPP_TAG_ENUM) || - element < 0 || element > (*attr)->num_values) - return (0); - - /* - * Set the value and return... - */ - - if ((value = ipp_set_value(ipp, attr, element)) != NULL) - value->integer = intvalue; - - return (value != NULL); -} - - -/* - * 'ippSetName()' - Set the name of an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetName(ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - const char *name) /* I - Attribute name */ -{ - char *temp; /* Temporary name value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr) - return (0); - - /* - * Set the value and return... - */ - - if ((temp = _cupsStrAlloc(name)) != NULL) - { - if ((*attr)->name) - _cupsStrFree((*attr)->name); - - (*attr)->name = temp; - } - - return (temp != NULL); -} - - -/* - * 'ippSetOctetString()' - Set an octetString value in an IPP attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetOctetString( - ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - const void *data, /* I - Pointer to octetString data */ - int datalen) /* I - Length of octetString data */ -{ - _ipp_value_t *value; /* Current value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_STRING || - element < 0 || element > (*attr)->num_values || - datalen < 0 || datalen > IPP_MAX_LENGTH) - return (0); - - /* - * Set the value and return... - */ - - if ((value = ipp_set_value(ipp, attr, element)) != NULL) - { - if ((int)((*attr)->value_tag) & IPP_TAG_CUPS_CONST) - { - /* - * Just copy the pointer... - */ - - value->unknown.data = (void *)data; - value->unknown.length = datalen; - } - else - { - /* - * Copy the data... - */ - - if (value->unknown.data) - { - /* - * Free previous data... - */ - - free(value->unknown.data); - - value->unknown.data = NULL; - value->unknown.length = 0; - } - - if (datalen > 0) - { - void *temp; /* Temporary data pointer */ - - if ((temp = malloc((size_t)datalen)) != NULL) - { - memcpy(temp, data, (size_t)datalen); - - value->unknown.data = temp; - value->unknown.length = datalen; - } - else - return (0); - } - } - } - - return (value != NULL); -} - - -/* - * 'ippSetOperation()' - Set the operation ID in an IPP request message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetOperation(ipp_t *ipp, /* I - IPP request message */ - ipp_op_t op) /* I - Operation ID */ -{ - /* - * Range check input... - */ - - if (!ipp) - return (0); - - /* - * Set the operation and return... - */ - - ipp->request.op.operation_id = op; - - return (1); -} - - -/* - * 'ippSetRange()' - Set a rangeOfInteger value in an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetRange(ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - int lowervalue, /* I - Lower bound for range */ - int uppervalue) /* I - Upper bound for range */ -{ - _ipp_value_t *value; /* Current value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_RANGE || - element < 0 || element > (*attr)->num_values || lowervalue > uppervalue) - return (0); - - /* - * Set the value and return... - */ - - if ((value = ipp_set_value(ipp, attr, element)) != NULL) - { - value->range.lower = lowervalue; - value->range.upper = uppervalue; - } - - return (value != NULL); -} - - -/* - * 'ippSetRequestId()' - Set the request ID in an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code request_id@ parameter must be greater than 0. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetRequestId(ipp_t *ipp, /* I - IPP message */ - int request_id) /* I - Request ID */ -{ - /* - * Range check input; not checking request_id values since ipptool wants to send - * invalid values for conformance testing and a bad request_id does not affect the - * encoding of a message... - */ - - if (!ipp) - return (0); - - /* - * Set the request ID and return... - */ - - ipp->request.any.request_id = request_id; - - return (1); -} - - -/* - * 'ippSetResolution()' - Set a resolution value in an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetResolution( - ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - ipp_res_t unitsvalue, /* I - Resolution units */ - int xresvalue, /* I - Horizontal/cross feed resolution */ - int yresvalue) /* I - Vertical/feed resolution */ -{ - _ipp_value_t *value; /* Current value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_RESOLUTION || - element < 0 || element > (*attr)->num_values || xresvalue <= 0 || yresvalue <= 0 || - unitsvalue < IPP_RES_PER_INCH || unitsvalue > IPP_RES_PER_CM) - return (0); - - /* - * Set the value and return... - */ - - if ((value = ipp_set_value(ipp, attr, element)) != NULL) - { - value->resolution.units = unitsvalue; - value->resolution.xres = xresvalue; - value->resolution.yres = yresvalue; - } - - return (value != NULL); -} - - -/* - * 'ippSetState()' - Set the current state of the IPP message. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetState(ipp_t *ipp, /* I - IPP message */ - ipp_state_t state) /* I - IPP state value */ -{ - /* - * Range check input... - */ - - if (!ipp) - return (0); - - /* - * Set the state and return... - */ - - ipp->state = state; - ipp->current = NULL; - - return (1); -} - - -/* - * 'ippSetStatusCode()' - Set the status code in an IPP response or event message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetStatusCode(ipp_t *ipp, /* I - IPP response or event message */ - ipp_status_t status) /* I - Status code */ -{ - /* - * Range check input... - */ - - if (!ipp) - return (0); - - /* - * Set the status code and return... - */ - - ipp->request.status.status_code = status; - - return (1); -} - - -/* - * 'ippSetString()' - Set a string value in an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetString(ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - const char *strvalue) /* I - String value */ -{ - char *temp; /* Temporary string */ - _ipp_value_t *value; /* Current value */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr || - ((*attr)->value_tag != IPP_TAG_TEXTLANG && - (*attr)->value_tag != IPP_TAG_NAMELANG && - ((*attr)->value_tag < IPP_TAG_TEXT || - (*attr)->value_tag > IPP_TAG_MIMETYPE)) || - element < 0 || element > (*attr)->num_values || !strvalue) - return (0); - - /* - * Set the value and return... - */ - - if ((value = ipp_set_value(ipp, attr, element)) != NULL) - { - if (element > 0) - value->string.language = (*attr)->values[0].string.language; - - if ((int)((*attr)->value_tag) & IPP_TAG_CUPS_CONST) - value->string.text = (char *)strvalue; - else if ((temp = _cupsStrAlloc(strvalue)) != NULL) - { - if (value->string.text) - _cupsStrFree(value->string.text); - - value->string.text = temp; - } - else - return (0); - } - - return (value != NULL); -} - - -/* - * 'ippSetStringf()' - Set a formatted string value of an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * The @code format@ parameter uses formatting characters compatible with the - * printf family of standard functions. Additional arguments follow it as - * needed. The formatted string is truncated as needed to the maximum length of - * the corresponding value type. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetStringf(ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - const char *format, /* I - Printf-style format string */ - ...) /* I - Additional arguments as needed */ -{ - int ret; /* Return value */ - va_list ap; /* Pointer to additional arguments */ - - - va_start(ap, format); - ret = ippSetStringfv(ipp, attr, element, format, ap); - va_end(ap); - - return (ret); -} - - -/* - * 'ippSetStringf()' - Set a formatted string value of an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * The @code element@ parameter specifies which value to set from 0 to - * @code ippGetCount(attr)@. - * - * The @code format@ parameter uses formatting characters compatible with the - * printf family of standard functions. Additional arguments follow it as - * needed. The formatted string is truncated as needed to the maximum length of - * the corresponding value type. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetStringfv(ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element, /* I - Value number (0-based) */ - const char *format, /* I - Printf-style format string */ - va_list ap) /* I - Pointer to additional arguments */ -{ - ipp_tag_t value_tag; /* Value tag */ - char buffer[IPP_MAX_TEXT + 4]; - /* Formatted text string */ - ssize_t bytes, /* Length of formatted value */ - max_bytes; /* Maximum number of bytes for value */ - - - /* - * Range check input... - */ - - if (attr && *attr) - value_tag = (*attr)->value_tag & IPP_TAG_CUPS_MASK; - else - value_tag = IPP_TAG_ZERO; - - if (!ipp || !attr || !*attr || - (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && - value_tag != IPP_TAG_NAMELANG) || value_tag > IPP_TAG_MIMETYPE || - !format) - return (0); - - /* - * Format the string... - */ - - if (!strcmp(format, "%s")) - { - /* - * Optimize the simple case... - */ - - const char *s = va_arg(ap, char *); - - if (!s) - s = "(null)"; - - bytes = (ssize_t)strlen(s); - strlcpy(buffer, s, sizeof(buffer)); - } - else - { - /* - * Do a full formatting of the message... - */ - - if ((bytes = vsnprintf(buffer, sizeof(buffer), format, ap)) < 0) - return (0); - } - - /* - * Limit the length of the string... - */ - - switch (value_tag) - { - default : - case IPP_TAG_TEXT : - case IPP_TAG_TEXTLANG : - max_bytes = IPP_MAX_TEXT; - break; - - case IPP_TAG_NAME : - case IPP_TAG_NAMELANG : - max_bytes = IPP_MAX_NAME; - break; - - case IPP_TAG_CHARSET : - max_bytes = IPP_MAX_CHARSET; - break; - - case IPP_TAG_KEYWORD : - max_bytes = IPP_MAX_KEYWORD; - break; - - case IPP_TAG_LANGUAGE : - max_bytes = IPP_MAX_LANGUAGE; - break; - - case IPP_TAG_MIMETYPE : - max_bytes = IPP_MAX_MIMETYPE; - break; - - case IPP_TAG_URI : - max_bytes = IPP_MAX_URI; - break; - - case IPP_TAG_URISCHEME : - max_bytes = IPP_MAX_URISCHEME; - break; - } - - if (bytes >= max_bytes) - { - char *bufmax, /* Buffer at max_bytes */ - *bufptr; /* Pointer into buffer */ - - bufptr = buffer + strlen(buffer) - 1; - bufmax = buffer + max_bytes - 1; - - while (bufptr > bufmax) - { - if (*bufptr & 0x80) - { - while ((*bufptr & 0xc0) == 0x80 && bufptr > buffer) - bufptr --; - } - - bufptr --; - } - - *bufptr = '\0'; - } - - /* - * Set the formatted string and return... - */ - - return (ippSetString(ipp, attr, element, buffer)); -} - - -/* - * 'ippSetValueTag()' - Set the value tag of an attribute. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The @code attr@ parameter may be modified as a result of setting the value. - * - * Integer (@code IPP_TAG_INTEGER@) values can be promoted to rangeOfInteger - * (@code IPP_TAG_RANGE@) values, the various string tags can be promoted to name - * (@code IPP_TAG_NAME@) or nameWithLanguage (@code IPP_TAG_NAMELANG@) values, text - * (@code IPP_TAG_TEXT@) values can be promoted to textWithLanguage - * (@code IPP_TAG_TEXTLANG@) values, and all values can be demoted to the various - * out-of-band value tags such as no-value (@code IPP_TAG_NOVALUE@). All other changes - * will be rejected. - * - * Promoting a string attribute to nameWithLanguage or textWithLanguage adds the language - * code in the "attributes-natural-language" attribute or, if not present, the language - * code for the current locale. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetValueTag( - ipp_t *ipp, /* I - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - ipp_tag_t value_tag) /* I - Value tag */ -{ - int i; /* Looping var */ - _ipp_value_t *value; /* Current value */ - int integer; /* Current integer value */ - cups_lang_t *language; /* Current language */ - char code[32]; /* Language code */ - ipp_tag_t temp_tag; /* Temporary value tag */ - - - /* - * Range check input... - */ - - if (!ipp || !attr || !*attr) - return (0); - - /* - * If there is no change, return immediately... - */ - - if (value_tag == (*attr)->value_tag) - return (1); - - /* - * Otherwise implement changes as needed... - */ - - temp_tag = (ipp_tag_t)((int)((*attr)->value_tag) & IPP_TAG_CUPS_MASK); - - switch (value_tag) - { - case IPP_TAG_UNSUPPORTED_VALUE : - case IPP_TAG_DEFAULT : - case IPP_TAG_UNKNOWN : - case IPP_TAG_NOVALUE : - case IPP_TAG_NOTSETTABLE : - case IPP_TAG_DELETEATTR : - case IPP_TAG_ADMINDEFINE : - /* - * Free any existing values... - */ - - if ((*attr)->num_values > 0) - ipp_free_values(*attr, 0, (*attr)->num_values); - - /* - * Set out-of-band value... - */ - - (*attr)->value_tag = value_tag; - break; - - case IPP_TAG_RANGE : - if (temp_tag != IPP_TAG_INTEGER) - return (0); - - for (i = (*attr)->num_values, value = (*attr)->values; - i > 0; - i --, value ++) - { - integer = value->integer; - value->range.lower = value->range.upper = integer; - } - - (*attr)->value_tag = IPP_TAG_RANGE; - break; - - case IPP_TAG_NAME : - if (temp_tag != IPP_TAG_KEYWORD) - return (0); - - (*attr)->value_tag = (ipp_tag_t)(IPP_TAG_NAME | ((*attr)->value_tag & IPP_TAG_CUPS_CONST)); - break; - - case IPP_TAG_NAMELANG : - case IPP_TAG_TEXTLANG : - if (value_tag == IPP_TAG_NAMELANG && (temp_tag != IPP_TAG_NAME && temp_tag != IPP_TAG_KEYWORD)) - return (0); - - if (value_tag == IPP_TAG_TEXTLANG && temp_tag != IPP_TAG_TEXT) - return (0); - - if (ipp->attrs && ipp->attrs->next && ipp->attrs->next->name && - !strcmp(ipp->attrs->next->name, "attributes-natural-language")) - { - /* - * Use the language code from the IPP message... - */ - - (*attr)->values[0].string.language = - _cupsStrAlloc(ipp->attrs->next->values[0].string.text); - } - else - { - /* - * Otherwise, use the language code corresponding to the locale... - */ - - language = cupsLangDefault(); - (*attr)->values[0].string.language = _cupsStrAlloc(ipp_lang_code(language->language, - code, - sizeof(code))); - } - - for (i = (*attr)->num_values - 1, value = (*attr)->values + 1; - i > 0; - i --, value ++) - value->string.language = (*attr)->values[0].string.language; - - if ((int)(*attr)->value_tag & IPP_TAG_CUPS_CONST) - { - /* - * Make copies of all values... - */ - - for (i = (*attr)->num_values, value = (*attr)->values; - i > 0; - i --, value ++) - value->string.text = _cupsStrAlloc(value->string.text); - } - - (*attr)->value_tag = IPP_TAG_NAMELANG; - break; - - case IPP_TAG_KEYWORD : - if (temp_tag == IPP_TAG_NAME || temp_tag == IPP_TAG_NAMELANG) - break; /* Silently "allow" name -> keyword */ - - default : - return (0); - } - - return (1); -} - - -/* - * 'ippSetVersion()' - Set the version number in an IPP message. - * - * The @code ipp@ parameter refers to an IPP message previously created using - * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. - * - * The valid version numbers are currently 1.0, 1.1, 2.0, 2.1, and 2.2. - * - * @since CUPS 1.6/macOS 10.8@ - */ - -int /* O - 1 on success, 0 on failure */ -ippSetVersion(ipp_t *ipp, /* I - IPP message */ - int major, /* I - Major version number (major.minor) */ - int minor) /* I - Minor version number (major.minor) */ -{ - /* - * Range check input... - */ - - if (!ipp || major < 0 || minor < 0) - return (0); - - /* - * Set the version number... - */ - - ipp->request.any.version[0] = (ipp_uchar_t)major; - ipp->request.any.version[1] = (ipp_uchar_t)minor; - - return (1); -} - - -/* - * 'ippTimeToDate()' - Convert from time in seconds to RFC 2579 format. - */ - -const ipp_uchar_t * /* O - RFC-2579 date/time data */ -ippTimeToDate(time_t t) /* I - Time in seconds */ -{ - struct tm *unixdate; /* UNIX unixdate/time info */ - ipp_uchar_t *date = _cupsGlobals()->ipp_date; - /* RFC-2579 date/time data */ - - - /* - * RFC-2579 date/time format is: - * - * Byte(s) Description - * ------- ----------- - * 0-1 Year (0 to 65535) - * 2 Month (1 to 12) - * 3 Day (1 to 31) - * 4 Hours (0 to 23) - * 5 Minutes (0 to 59) - * 6 Seconds (0 to 60, 60 = "leap second") - * 7 Deciseconds (0 to 9) - * 8 +/- UTC - * 9 UTC hours (0 to 11) - * 10 UTC minutes (0 to 59) - */ - - unixdate = gmtime(&t); - unixdate->tm_year += 1900; - - date[0] = (ipp_uchar_t)(unixdate->tm_year >> 8); - date[1] = (ipp_uchar_t)(unixdate->tm_year); - date[2] = (ipp_uchar_t)(unixdate->tm_mon + 1); - date[3] = (ipp_uchar_t)unixdate->tm_mday; - date[4] = (ipp_uchar_t)unixdate->tm_hour; - date[5] = (ipp_uchar_t)unixdate->tm_min; - date[6] = (ipp_uchar_t)unixdate->tm_sec; - date[7] = 0; - date[8] = '+'; - date[9] = 0; - date[10] = 0; - - return (date); -} - - -/* - * 'ippValidateAttribute()' - Validate the contents of an attribute. - * - * This function validates the contents of an attribute based on the name and - * value tag. 1 is returned if the attribute is valid, 0 otherwise. On - * failure, @link cupsLastErrorString@ is set to a human-readable message. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -int /* O - 1 if valid, 0 otherwise */ -ippValidateAttribute( - ipp_attribute_t *attr) /* I - Attribute */ -{ - int i; /* Looping var */ - char scheme[64], /* Scheme from URI */ - userpass[256], /* Username/password from URI */ - hostname[256], /* Hostname from URI */ - resource[1024]; /* Resource from URI */ - int port, /* Port number from URI */ - uri_status; /* URI separation status */ - const char *ptr; /* Pointer into string */ - ipp_attribute_t *colattr; /* Collection attribute */ - regex_t re; /* Regular expression */ - ipp_uchar_t *date; /* Current date value */ - static const char * const uri_status_strings[] = - { /* URI status strings */ - "URI too large", - "Bad arguments to function", - "Bad resource in URI", - "Bad port number in URI", - "Bad hostname/address in URI", - "Bad username in URI", - "Bad scheme in URI", - "Bad/empty URI", - "OK", - "Missing scheme in URI", - "Unknown scheme in URI", - "Missing resource in URI" - }; - - - /* - * Skip separators. - */ - - if (!attr->name) - return (1); - - /* - * Validate the attribute name. - */ - - for (ptr = attr->name; *ptr; ptr ++) - if (!isalnum(*ptr & 255) && *ptr != '-' && *ptr != '.' && *ptr != '_') - break; - - if (*ptr || ptr == attr->name) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad attribute name - invalid character " - "(RFC 8011 section 5.1.4)."), attr->name); - return (0); - } - - if ((ptr - attr->name) > 255) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad attribute name - bad length %d " - "(RFC 8011 section 5.1.4)."), attr->name, - (int)(ptr - attr->name)); - return (0); - } - - switch (attr->value_tag) - { - case IPP_TAG_INTEGER : - break; - - case IPP_TAG_BOOLEAN : - for (i = 0; i < attr->num_values; i ++) - { - if (attr->values[i].boolean != 0 && - attr->values[i].boolean != 1) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad boolen value %d " - "(RFC 8011 section 5.1.21)."), attr->name, - attr->values[i].boolean); - return (0); - } - } - break; - - case IPP_TAG_ENUM : - for (i = 0; i < attr->num_values; i ++) - { - if (attr->values[i].integer < 1) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad enum value %d - out of range " - "(RFC 8011 section 5.1.5)."), attr->name, - attr->values[i].integer); - return (0); - } - } - break; - - case IPP_TAG_STRING : - for (i = 0; i < attr->num_values; i ++) - { - if (attr->values[i].unknown.length > IPP_MAX_OCTETSTRING) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad octetString value - bad length %d " - "(RFC 8011 section 5.1.20)."), attr->name, - attr->values[i].unknown.length); - return (0); - } - } - break; - - case IPP_TAG_DATE : - for (i = 0; i < attr->num_values; i ++) - { - date = attr->values[i].date; - - if (date[2] < 1 || date[2] > 12) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime month %u " - "(RFC 8011 section 5.1.15)."), attr->name, date[2]); - return (0); - } - - if (date[3] < 1 || date[3] > 31) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime day %u " - "(RFC 8011 section 5.1.15)."), attr->name, date[3]); - return (0); - } - - if (date[4] > 23) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime hours %u " - "(RFC 8011 section 5.1.15)."), attr->name, date[4]); - return (0); - } - - if (date[5] > 59) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime minutes %u " - "(RFC 8011 section 5.1.15)."), attr->name, date[5]); - return (0); - } - - if (date[6] > 60) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime seconds %u " - "(RFC 8011 section 5.1.15)."), attr->name, date[6]); - return (0); - } - - if (date[7] > 9) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime deciseconds %u " - "(RFC 8011 section 5.1.15)."), attr->name, date[7]); - return (0); - } - - if (date[8] != '-' && date[8] != '+') - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime UTC sign '%c' " - "(RFC 8011 section 5.1.15)."), attr->name, date[8]); - return (0); - } - - if (date[9] > 11) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime UTC hours %u " - "(RFC 8011 section 5.1.15)."), attr->name, date[9]); - return (0); - } - - if (date[10] > 59) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad dateTime UTC minutes %u " - "(RFC 8011 section 5.1.15)."), attr->name, date[10]); - return (0); - } - } - break; - - case IPP_TAG_RESOLUTION : - for (i = 0; i < attr->num_values; i ++) - { - if (attr->values[i].resolution.xres <= 0) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad resolution value %dx%d%s - cross " - "feed resolution must be positive " - "(RFC 8011 section 5.1.16)."), attr->name, - attr->values[i].resolution.xres, - attr->values[i].resolution.yres, - attr->values[i].resolution.units == - IPP_RES_PER_INCH ? "dpi" : - attr->values[i].resolution.units == - IPP_RES_PER_CM ? "dpcm" : "unknown"); - return (0); - } - - if (attr->values[i].resolution.yres <= 0) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad resolution value %dx%d%s - feed " - "resolution must be positive " - "(RFC 8011 section 5.1.16)."), attr->name, - attr->values[i].resolution.xres, - attr->values[i].resolution.yres, - attr->values[i].resolution.units == - IPP_RES_PER_INCH ? "dpi" : - attr->values[i].resolution.units == - IPP_RES_PER_CM ? "dpcm" : "unknown"); - return (0); - } - - if (attr->values[i].resolution.units != IPP_RES_PER_INCH && - attr->values[i].resolution.units != IPP_RES_PER_CM) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad resolution value %dx%d%s - bad " - "units value (RFC 8011 section 5.1.16)."), - attr->name, attr->values[i].resolution.xres, - attr->values[i].resolution.yres, - attr->values[i].resolution.units == - IPP_RES_PER_INCH ? "dpi" : - attr->values[i].resolution.units == - IPP_RES_PER_CM ? "dpcm" : "unknown"); - return (0); - } - } - break; - - case IPP_TAG_RANGE : - for (i = 0; i < attr->num_values; i ++) - { - if (attr->values[i].range.lower > attr->values[i].range.upper) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad rangeOfInteger value %d-%d - lower " - "greater than upper (RFC 8011 section 5.1.14)."), - attr->name, attr->values[i].range.lower, - attr->values[i].range.upper); - return (0); - } - } - break; - - case IPP_TAG_BEGIN_COLLECTION : - for (i = 0; i < attr->num_values; i ++) - { - for (colattr = attr->values[i].collection->attrs; - colattr; - colattr = colattr->next) - { - if (!ippValidateAttribute(colattr)) - return (0); - } - } - break; - - case IPP_TAG_TEXT : - case IPP_TAG_TEXTLANG : - for (i = 0; i < attr->num_values; i ++) - { - for (ptr = attr->values[i].string.text; *ptr; ptr ++) - { - if ((*ptr & 0xe0) == 0xc0) - { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - } - else if ((*ptr & 0xf0) == 0xe0) - { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - } - else if ((*ptr & 0xf8) == 0xf0) - { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - } - else if (*ptr & 0x80) - break; - } - - if (*ptr) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad text value \"%s\" - bad UTF-8 " - "sequence (RFC 8011 section 5.1.2)."), attr->name, - attr->values[i].string.text); - return (0); - } - - if ((ptr - attr->values[i].string.text) > (IPP_MAX_TEXT - 1)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad text value \"%s\" - bad length %d " - "(RFC 8011 section 5.1.2)."), attr->name, - attr->values[i].string.text, - (int)(ptr - attr->values[i].string.text)); - return (0); - } - } - break; - - case IPP_TAG_NAME : - case IPP_TAG_NAMELANG : - for (i = 0; i < attr->num_values; i ++) - { - for (ptr = attr->values[i].string.text; *ptr; ptr ++) - { - if ((*ptr & 0xe0) == 0xc0) - { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - } - else if ((*ptr & 0xf0) == 0xe0) - { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - } - else if ((*ptr & 0xf8) == 0xf0) - { - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - ptr ++; - if ((*ptr & 0xc0) != 0x80) - break; - } - else if (*ptr & 0x80) - break; - } - - if (*ptr) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad name value \"%s\" - bad UTF-8 " - "sequence (RFC 8011 section 5.1.3)."), attr->name, - attr->values[i].string.text); - return (0); - } - - if ((ptr - attr->values[i].string.text) > (IPP_MAX_NAME - 1)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad name value \"%s\" - bad length %d " - "(RFC 8011 section 5.1.3)."), attr->name, - attr->values[i].string.text, - (int)(ptr - attr->values[i].string.text)); - return (0); - } - } - break; - - case IPP_TAG_KEYWORD : - for (i = 0; i < attr->num_values; i ++) - { - for (ptr = attr->values[i].string.text; *ptr; ptr ++) - if (!isalnum(*ptr & 255) && *ptr != '-' && *ptr != '.' && - *ptr != '_') - break; - - if (*ptr || ptr == attr->values[i].string.text) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad keyword value \"%s\" - invalid " - "character (RFC 8011 section 5.1.4)."), - attr->name, attr->values[i].string.text); - return (0); - } - - if ((ptr - attr->values[i].string.text) > (IPP_MAX_KEYWORD - 1)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad keyword value \"%s\" - bad " - "length %d (RFC 8011 section 5.1.4)."), - attr->name, attr->values[i].string.text, - (int)(ptr - attr->values[i].string.text)); - return (0); - } - } - break; - - case IPP_TAG_URI : - for (i = 0; i < attr->num_values; i ++) - { - uri_status = httpSeparateURI(HTTP_URI_CODING_ALL, - attr->values[i].string.text, - scheme, sizeof(scheme), - userpass, sizeof(userpass), - hostname, sizeof(hostname), - &port, resource, sizeof(resource)); - - if (uri_status < HTTP_URI_STATUS_OK) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad URI value \"%s\" - %s " - "(RFC 8011 section 5.1.6)."), attr->name, - attr->values[i].string.text, - uri_status_strings[uri_status - - HTTP_URI_STATUS_OVERFLOW]); - return (0); - } - - if (strlen(attr->values[i].string.text) > (IPP_MAX_URI - 1)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad URI value \"%s\" - bad length %d " - "(RFC 8011 section 5.1.6)."), attr->name, - attr->values[i].string.text, - (int)strlen(attr->values[i].string.text)); - } - } - break; - - case IPP_TAG_URISCHEME : - for (i = 0; i < attr->num_values; i ++) - { - ptr = attr->values[i].string.text; - if (islower(*ptr & 255)) - { - for (ptr ++; *ptr; ptr ++) - if (!islower(*ptr & 255) && !isdigit(*ptr & 255) && - *ptr != '+' && *ptr != '-' && *ptr != '.') - break; - } - - if (*ptr || ptr == attr->values[i].string.text) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad uriScheme value \"%s\" - bad " - "characters (RFC 8011 section 5.1.7)."), - attr->name, attr->values[i].string.text); - return (0); - } - - if ((ptr - attr->values[i].string.text) > (IPP_MAX_URISCHEME - 1)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad uriScheme value \"%s\" - bad " - "length %d (RFC 8011 section 5.1.7)."), - attr->name, attr->values[i].string.text, - (int)(ptr - attr->values[i].string.text)); - return (0); - } - } - break; - - case IPP_TAG_CHARSET : - for (i = 0; i < attr->num_values; i ++) - { - for (ptr = attr->values[i].string.text; *ptr; ptr ++) - if (!isprint(*ptr & 255) || isupper(*ptr & 255) || - isspace(*ptr & 255)) - break; - - if (*ptr || ptr == attr->values[i].string.text) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad charset value \"%s\" - bad " - "characters (RFC 8011 section 5.1.8)."), - attr->name, attr->values[i].string.text); - return (0); - } - - if ((ptr - attr->values[i].string.text) > (IPP_MAX_CHARSET - 1)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad charset value \"%s\" - bad " - "length %d (RFC 8011 section 5.1.8)."), - attr->name, attr->values[i].string.text, - (int)(ptr - attr->values[i].string.text)); - return (0); - } - } - break; - - case IPP_TAG_LANGUAGE : - /* - * The following regular expression is derived from the ABNF for - * language tags in RFC 4646. All I can say is that this is the - * easiest way to check the values... - */ - - if ((i = regcomp(&re, - "^(" - "(([a-z]{2,3}(-[a-z][a-z][a-z]){0,3})|[a-z]{4,8})" - /* language */ - "(-[a-z][a-z][a-z][a-z]){0,1}" /* script */ - "(-([a-z][a-z]|[0-9][0-9][0-9])){0,1}" /* region */ - "(-([a-z]{5,8}|[0-9][0-9][0-9]))*" /* variant */ - "(-[a-wy-z](-[a-z0-9]{2,8})+)*" /* extension */ - "(-x(-[a-z0-9]{1,8})+)*" /* privateuse */ - "|" - "x(-[a-z0-9]{1,8})+" /* privateuse */ - "|" - "[a-z]{1,3}(-[a-z][0-9]{2,8}){1,2}" /* grandfathered */ - ")$", - REG_NOSUB | REG_EXTENDED)) != 0) - { - char temp[256]; /* Temporary error string */ - - regerror(i, &re, temp, sizeof(temp)); - ipp_set_error(IPP_STATUS_ERROR_INTERNAL, - _("Unable to compile naturalLanguage regular " - "expression: %s."), temp); - return (0); - } - - for (i = 0; i < attr->num_values; i ++) - { - if (regexec(&re, attr->values[i].string.text, 0, NULL, 0)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad naturalLanguage value \"%s\" - bad " - "characters (RFC 8011 section 5.1.9)."), - attr->name, attr->values[i].string.text); - regfree(&re); - return (0); - } - - if (strlen(attr->values[i].string.text) > (IPP_MAX_LANGUAGE - 1)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad naturalLanguage value \"%s\" - bad " - "length %d (RFC 8011 section 5.1.9)."), - attr->name, attr->values[i].string.text, - (int)strlen(attr->values[i].string.text)); - regfree(&re); - return (0); - } - } - - regfree(&re); - break; - - case IPP_TAG_MIMETYPE : - /* - * The following regular expression is derived from the ABNF for - * MIME media types in RFC 2045 and 4288. All I can say is that this is - * the easiest way to check the values... - */ - - if ((i = regcomp(&re, - "^" - "[-a-zA-Z0-9!#$&.+^_]{1,127}" /* type-name */ - "/" - "[-a-zA-Z0-9!#$&.+^_]{1,127}" /* subtype-name */ - "(;[-a-zA-Z0-9!#$&.+^_]{1,127}=" /* parameter= */ - "([-a-zA-Z0-9!#$&.+^_]{1,127}|\"[^\"]*\"))*" - /* value */ - "$", - REG_NOSUB | REG_EXTENDED)) != 0) - { - char temp[256]; /* Temporary error string */ - - regerror(i, &re, temp, sizeof(temp)); - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("Unable to compile mimeMediaType regular " - "expression: %s."), temp); - return (0); - } - - for (i = 0; i < attr->num_values; i ++) - { - if (regexec(&re, attr->values[i].string.text, 0, NULL, 0)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad mimeMediaType value \"%s\" - bad " - "characters (RFC 8011 section 5.1.10)."), - attr->name, attr->values[i].string.text); - regfree(&re); - return (0); - } - - if (strlen(attr->values[i].string.text) > (IPP_MAX_MIMETYPE - 1)) - { - ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, - _("\"%s\": Bad mimeMediaType value \"%s\" - bad " - "length %d (RFC 8011 section 5.1.10)."), - attr->name, attr->values[i].string.text, - (int)strlen(attr->values[i].string.text)); - regfree(&re); - return (0); - } - } - - regfree(&re); - break; - - default : - break; - } - - return (1); -} - - -/* - * 'ippValidateAttributes()' - Validate all attributes in an IPP message. - * - * This function validates the contents of the IPP message, including each - * attribute. Like @link ippValidateAttribute@, @link cupsLastErrorString@ is - * set to a human-readable message on failure. - * - * @since CUPS 1.7/macOS 10.9@ - */ - -int /* O - 1 if valid, 0 otherwise */ -ippValidateAttributes(ipp_t *ipp) /* I - IPP message */ -{ - ipp_attribute_t *attr; /* Current attribute */ - - - if (!ipp) - return (1); - - for (attr = ipp->attrs; attr; attr = attr->next) - if (!ippValidateAttribute(attr)) - return (0); - - return (1); -} - - -/* - * 'ippWrite()' - Write data for an IPP message to a HTTP connection. - */ - -ipp_state_t /* O - Current state */ -ippWrite(http_t *http, /* I - HTTP connection */ - ipp_t *ipp) /* I - IPP data */ -{ - DEBUG_printf(("ippWrite(http=%p, ipp=%p)", (void *)http, (void *)ipp)); - - if (!http) - return (IPP_STATE_ERROR); - - return (ippWriteIO(http, (ipp_iocb_t)httpWrite2, http->blocking, NULL, ipp)); -} - - -/* - * 'ippWriteFile()' - Write data for an IPP message to a file. - * - * @since CUPS 1.1.19/macOS 10.3@ - */ - -ipp_state_t /* O - Current state */ -ippWriteFile(int fd, /* I - HTTP data */ - ipp_t *ipp) /* I - IPP data */ -{ - DEBUG_printf(("ippWriteFile(fd=%d, ipp=%p)", fd, (void *)ipp)); - - ipp->state = IPP_STATE_IDLE; - - return (ippWriteIO(&fd, (ipp_iocb_t)ipp_write_file, 1, NULL, ipp)); -} - - -/* - * 'ippWriteIO()' - Write data for an IPP message. - * - * @since CUPS 1.2/macOS 10.5@ - */ - -ipp_state_t /* O - Current state */ -ippWriteIO(void *dst, /* I - Destination */ - ipp_iocb_t cb, /* I - Write callback function */ - int blocking, /* I - Use blocking IO? */ - ipp_t *parent, /* I - Parent IPP message */ - ipp_t *ipp) /* I - IPP data */ -{ - int i; /* Looping var */ - int n; /* Length of data */ - unsigned char *buffer, /* Data buffer */ - *bufptr; /* Pointer into buffer */ - ipp_attribute_t *attr; /* Current attribute */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("ippWriteIO(dst=%p, cb=%p, blocking=%d, parent=%p, ipp=%p)", (void *)dst, (void *)cb, blocking, (void *)parent, (void *)ipp)); - - if (!dst || !ipp) - return (IPP_STATE_ERROR); - - if ((buffer = (unsigned char *)_cupsBufferGet(IPP_BUF_SIZE)) == NULL) - { - DEBUG_puts("1ippWriteIO: Unable to get write buffer"); - return (IPP_STATE_ERROR); - } - - switch (ipp->state) - { - case IPP_STATE_IDLE : - ipp->state ++; /* Avoid common problem... */ - - case IPP_STATE_HEADER : - if (parent == NULL) - { - /* - * Send the request header: - * - * Version = 2 bytes - * Operation/Status Code = 2 bytes - * Request ID = 4 bytes - * Total = 8 bytes - */ - - bufptr = buffer; - - *bufptr++ = ipp->request.any.version[0]; - *bufptr++ = ipp->request.any.version[1]; - *bufptr++ = (ipp_uchar_t)(ipp->request.any.op_status >> 8); - *bufptr++ = (ipp_uchar_t)ipp->request.any.op_status; - *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 24); - *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 16); - *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 8); - *bufptr++ = (ipp_uchar_t)ipp->request.any.request_id; - - DEBUG_printf(("2ippWriteIO: version=%d.%d", buffer[0], buffer[1])); - DEBUG_printf(("2ippWriteIO: op_status=%04x", - ipp->request.any.op_status)); - DEBUG_printf(("2ippWriteIO: request_id=%d", - ipp->request.any.request_id)); - - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP header..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - } - - /* - * Reset the state engine to point to the first attribute - * in the request/response, with no current group. - */ - - ipp->state = IPP_STATE_ATTRIBUTE; - ipp->current = ipp->attrs; - ipp->curtag = IPP_TAG_ZERO; - - DEBUG_printf(("1ippWriteIO: ipp->current=%p", (void *)ipp->current)); - - /* - * If blocking is disabled, stop here... - */ - - if (!blocking) - break; - - case IPP_STATE_ATTRIBUTE : - while (ipp->current != NULL) - { - /* - * Write this attribute... - */ - - bufptr = buffer; - attr = ipp->current; - - ipp->current = ipp->current->next; - - if (!parent) - { - if (ipp->curtag != attr->group_tag) - { - /* - * Send a group tag byte... - */ - - ipp->curtag = attr->group_tag; - - if (attr->group_tag == IPP_TAG_ZERO) - continue; - - DEBUG_printf(("2ippWriteIO: wrote group tag=%x(%s)", - attr->group_tag, ippTagString(attr->group_tag))); - *bufptr++ = (ipp_uchar_t)attr->group_tag; - } - else if (attr->group_tag == IPP_TAG_ZERO) - continue; - } - - DEBUG_printf(("1ippWriteIO: %s (%s%s)", attr->name, - attr->num_values > 1 ? "1setOf " : "", - ippTagString(attr->value_tag))); - - /* - * Write the attribute tag and name. - * - * The attribute name length does not include the trailing nul - * character in the source string. - * - * Collection values (parent != NULL) are written differently... - */ - - if (parent == NULL) - { - /* - * Get the length of the attribute name, and make sure it won't - * overflow the buffer... - */ - - if ((n = (int)strlen(attr->name)) > (IPP_BUF_SIZE - 8)) - { - DEBUG_printf(("1ippWriteIO: Attribute name too long (%d)", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - /* - * Write the value tag, name length, and name string... - */ - - DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", - attr->value_tag, ippTagString(attr->value_tag))); - DEBUG_printf(("2ippWriteIO: writing name=%d,\"%s\"", n, - attr->name)); - - if (attr->value_tag > 0xff) - { - *bufptr++ = IPP_TAG_EXTENSION; - *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 24); - *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 16); - *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 8); - *bufptr++ = (ipp_uchar_t)attr->value_tag; - } - else - *bufptr++ = (ipp_uchar_t)attr->value_tag; - - *bufptr++ = (ipp_uchar_t)(n >> 8); - *bufptr++ = (ipp_uchar_t)n; - memcpy(bufptr, attr->name, (size_t)n); - bufptr += n; - } - else - { - /* - * Get the length of the attribute name, and make sure it won't - * overflow the buffer... - */ - - if ((n = (int)strlen(attr->name)) > (IPP_BUF_SIZE - 12)) - { - DEBUG_printf(("1ippWriteIO: Attribute name too long (%d)", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - /* - * Write the member name tag, name length, name string, value tag, - * and empty name for the collection member attribute... - */ - - DEBUG_printf(("2ippWriteIO: writing value tag=%x(memberName)", - IPP_TAG_MEMBERNAME)); - DEBUG_printf(("2ippWriteIO: writing name=%d,\"%s\"", n, - attr->name)); - DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", - attr->value_tag, ippTagString(attr->value_tag))); - DEBUG_puts("2ippWriteIO: writing name=0,\"\""); - - *bufptr++ = IPP_TAG_MEMBERNAME; - *bufptr++ = 0; - *bufptr++ = 0; - *bufptr++ = (ipp_uchar_t)(n >> 8); - *bufptr++ = (ipp_uchar_t)n; - memcpy(bufptr, attr->name, (size_t)n); - bufptr += n; - - if (attr->value_tag > 0xff) - { - *bufptr++ = IPP_TAG_EXTENSION; - *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 24); - *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 16); - *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 8); - *bufptr++ = (ipp_uchar_t)attr->value_tag; - } - else - *bufptr++ = (ipp_uchar_t)attr->value_tag; - - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * Now write the attribute value(s)... - */ - - switch (attr->value_tag & ~IPP_TAG_CUPS_CONST) - { - case IPP_TAG_UNSUPPORTED_VALUE : - case IPP_TAG_DEFAULT : - case IPP_TAG_UNKNOWN : - case IPP_TAG_NOVALUE : - case IPP_TAG_NOTSETTABLE : - case IPP_TAG_DELETEATTR : - case IPP_TAG_ADMINDEFINE : - *bufptr++ = 0; - *bufptr++ = 0; - break; - - case IPP_TAG_INTEGER : - case IPP_TAG_ENUM : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 9) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * Integers and enumerations are both 4-byte signed - * (twos-complement) values. - * - * Put the 2-byte length and 4-byte value into the buffer... - */ - - *bufptr++ = 0; - *bufptr++ = 4; - *bufptr++ = (ipp_uchar_t)(value->integer >> 24); - *bufptr++ = (ipp_uchar_t)(value->integer >> 16); - *bufptr++ = (ipp_uchar_t)(value->integer >> 8); - *bufptr++ = (ipp_uchar_t)value->integer; - } - break; - - case IPP_TAG_BOOLEAN : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 6) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * Boolean values are 1-byte; 0 = false, 1 = true. - * - * Put the 2-byte length and 1-byte value into the buffer... - */ - - *bufptr++ = 0; - *bufptr++ = 1; - *bufptr++ = (ipp_uchar_t)value->boolean; - } - break; - - case IPP_TAG_TEXT : - case IPP_TAG_NAME : - case IPP_TAG_KEYWORD : - case IPP_TAG_URI : - case IPP_TAG_URISCHEME : - case IPP_TAG_CHARSET : - case IPP_TAG_LANGUAGE : - case IPP_TAG_MIMETYPE : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", - attr->value_tag, - ippTagString(attr->value_tag))); - DEBUG_printf(("2ippWriteIO: writing name=0,\"\"")); - - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - if (value->string.text != NULL) - n = (int)strlen(value->string.text); - else - n = 0; - - if (n > (IPP_BUF_SIZE - 2)) - { - DEBUG_printf(("1ippWriteIO: String too long (%d)", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - DEBUG_printf(("2ippWriteIO: writing string=%d,\"%s\"", n, - value->string.text)); - - if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - /* - * All simple strings consist of the 2-byte length and - * character data without the trailing nul normally found - * in C strings. Also, strings cannot be longer than IPP_MAX_LENGTH - * bytes since the 2-byte length is a signed (twos-complement) - * value. - * - * Put the 2-byte length and string characters in the buffer. - */ - - *bufptr++ = (ipp_uchar_t)(n >> 8); - *bufptr++ = (ipp_uchar_t)n; - - if (n > 0) - { - memcpy(bufptr, value->string.text, (size_t)n); - bufptr += n; - } - } - break; - - case IPP_TAG_DATE : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 16) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * Date values consist of a 2-byte length and an - * 11-byte date/time structure defined by RFC 1903. - * - * Put the 2-byte length and 11-byte date/time - * structure in the buffer. - */ - - *bufptr++ = 0; - *bufptr++ = 11; - memcpy(bufptr, value->date, 11); - bufptr += 11; - } - break; - - case IPP_TAG_RESOLUTION : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 14) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * Resolution values consist of a 2-byte length, - * 4-byte horizontal resolution value, 4-byte vertical - * resolution value, and a 1-byte units value. - * - * Put the 2-byte length and resolution value data - * into the buffer. - */ - - *bufptr++ = 0; - *bufptr++ = 9; - *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 24); - *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 16); - *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 8); - *bufptr++ = (ipp_uchar_t)value->resolution.xres; - *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 24); - *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 16); - *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 8); - *bufptr++ = (ipp_uchar_t)value->resolution.yres; - *bufptr++ = (ipp_uchar_t)value->resolution.units; - } - break; - - case IPP_TAG_RANGE : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 13) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * Range values consist of a 2-byte length, - * 4-byte lower value, and 4-byte upper value. - * - * Put the 2-byte length and range value data - * into the buffer. - */ - - *bufptr++ = 0; - *bufptr++ = 8; - *bufptr++ = (ipp_uchar_t)(value->range.lower >> 24); - *bufptr++ = (ipp_uchar_t)(value->range.lower >> 16); - *bufptr++ = (ipp_uchar_t)(value->range.lower >> 8); - *bufptr++ = (ipp_uchar_t)value->range.lower; - *bufptr++ = (ipp_uchar_t)(value->range.upper >> 24); - *bufptr++ = (ipp_uchar_t)(value->range.upper >> 16); - *bufptr++ = (ipp_uchar_t)(value->range.upper >> 8); - *bufptr++ = (ipp_uchar_t)value->range.upper; - } - break; - - case IPP_TAG_TEXTLANG : - case IPP_TAG_NAMELANG : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * textWithLanguage and nameWithLanguage values consist - * of a 2-byte length for both strings and their - * individual lengths, a 2-byte length for the - * character string, the character string without the - * trailing nul, a 2-byte length for the character - * set string, and the character set string without - * the trailing nul. - */ - - n = 4; - - if (value->string.language != NULL) - n += (int)strlen(value->string.language); - - if (value->string.text != NULL) - n += (int)strlen(value->string.text); - - if (n > (IPP_BUF_SIZE - 2)) - { - DEBUG_printf(("1ippWriteIO: text/nameWithLanguage value " - "too long (%d)", n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - /* Length of entire value */ - *bufptr++ = (ipp_uchar_t)(n >> 8); - *bufptr++ = (ipp_uchar_t)n; - - /* Length of language */ - if (value->string.language != NULL) - n = (int)strlen(value->string.language); - else - n = 0; - - *bufptr++ = (ipp_uchar_t)(n >> 8); - *bufptr++ = (ipp_uchar_t)n; - - /* Language */ - if (n > 0) - { - memcpy(bufptr, value->string.language, (size_t)n); - bufptr += n; - } - - /* Length of text */ - if (value->string.text != NULL) - n = (int)strlen(value->string.text); - else - n = 0; - - *bufptr++ = (ipp_uchar_t)(n >> 8); - *bufptr++ = (ipp_uchar_t)n; - - /* Text */ - if (n > 0) - { - memcpy(bufptr, value->string.text, (size_t)n); - bufptr += n; - } - } - break; - - case IPP_TAG_BEGIN_COLLECTION : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - /* - * Collections are written with the begin-collection - * tag first with a value of 0 length, followed by the - * attributes in the collection, then the end-collection - * value... - */ - - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 5) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * Write a data length of 0 and flush the buffer... - */ - - *bufptr++ = 0; - *bufptr++ = 0; - - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - - /* - * Then write the collection attribute... - */ - - value->collection->state = IPP_STATE_IDLE; - - if (ippWriteIO(dst, cb, 1, ipp, - value->collection) == IPP_STATE_ERROR) - { - DEBUG_puts("1ippWriteIO: Unable to write collection value"); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - } - break; - - default : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if (i) - { - /* - * Arrays and sets are done by sending additional - * values with a zero-length name... - */ - - if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - *bufptr++ = (ipp_uchar_t)attr->value_tag; - *bufptr++ = 0; - *bufptr++ = 0; - } - - /* - * An unknown value might some new value that a - * vendor has come up with. It consists of a - * 2-byte length and the bytes in the unknown - * value buffer. - */ - - n = value->unknown.length; - - if (n > (IPP_BUF_SIZE - 2)) - { - DEBUG_printf(("1ippWriteIO: Data length too long (%d)", - n)); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP " - "attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - bufptr = buffer; - } - - /* Length of unknown value */ - *bufptr++ = (ipp_uchar_t)(n >> 8); - *bufptr++ = (ipp_uchar_t)n; - - /* Value */ - if (n > 0) - { - memcpy(bufptr, value->unknown.data, (size_t)n); - bufptr += n; - } - } - break; - } - - /* - * Write the data out... - */ - - if (bufptr > buffer) - { - if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP attribute..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - DEBUG_printf(("2ippWriteIO: wrote %d bytes", - (int)(bufptr - buffer))); - } - - /* - * If blocking is disabled and we aren't at the end of the attribute - * list, stop here... - */ - - if (!blocking && ipp->current) - break; - } - - if (ipp->current == NULL) - { - /* - * Done with all of the attributes; add the end-of-attributes - * tag or end-collection attribute... - */ - - if (parent == NULL) - { - buffer[0] = IPP_TAG_END; - n = 1; - } - else - { - buffer[0] = IPP_TAG_END_COLLECTION; - buffer[1] = 0; /* empty name */ - buffer[2] = 0; - buffer[3] = 0; /* empty value */ - buffer[4] = 0; - n = 5; - } - - if ((*cb)(dst, buffer, (size_t)n) < 0) - { - DEBUG_puts("1ippWriteIO: Could not write IPP end-tag..."); - _cupsBufferRelease((char *)buffer); - return (IPP_STATE_ERROR); - } - - ipp->state = IPP_STATE_DATA; - } - break; - - case IPP_STATE_DATA : - break; - - default : - break; /* anti-compiler-warning-code */ - } - - _cupsBufferRelease((char *)buffer); - - return (ipp->state); -} - - -/* - * 'ipp_add_attr()' - Add a new attribute to the message. - */ - -static ipp_attribute_t * /* O - New attribute */ -ipp_add_attr(ipp_t *ipp, /* I - IPP message */ - const char *name, /* I - Attribute name or NULL */ - ipp_tag_t group_tag, /* I - Group tag or IPP_TAG_ZERO */ - ipp_tag_t value_tag, /* I - Value tag or IPP_TAG_ZERO */ - int num_values) /* I - Number of values */ -{ - int alloc_values; /* Number of values to allocate */ - ipp_attribute_t *attr; /* New attribute */ - - - DEBUG_printf(("4ipp_add_attr(ipp=%p, name=\"%s\", group_tag=0x%x, value_tag=0x%x, num_values=%d)", (void *)ipp, name, group_tag, value_tag, num_values)); - - /* - * Range check input... - */ - - if (!ipp || num_values < 0) - return (NULL); - - /* - * Allocate memory, rounding the allocation up as needed... - */ - - if (num_values <= 1) - alloc_values = 1; - else - alloc_values = (num_values + IPP_MAX_VALUES - 1) & ~(IPP_MAX_VALUES - 1); - - attr = calloc(sizeof(ipp_attribute_t) + - (size_t)(alloc_values - 1) * sizeof(_ipp_value_t), 1); - - if (attr) - { - /* - * Initialize attribute... - */ - - DEBUG_printf(("4debug_alloc: %p %s %s%s (%d values)", (void *)attr, name, num_values > 1 ? "1setOf " : "", ippTagString(value_tag), num_values)); - - if (name) - attr->name = _cupsStrAlloc(name); - - attr->group_tag = group_tag; - attr->value_tag = value_tag; - attr->num_values = num_values; - - /* - * Add it to the end of the linked list... - */ - - if (ipp->last) - ipp->last->next = attr; - else - ipp->attrs = attr; - - ipp->prev = ipp->last; - ipp->last = ipp->current = attr; - } - - DEBUG_printf(("5ipp_add_attr: Returning %p", (void *)attr)); - - return (attr); -} - - -/* - * 'ipp_free_values()' - Free attribute values. - */ - -static void -ipp_free_values(ipp_attribute_t *attr, /* I - Attribute to free values from */ - int element,/* I - First value to free */ - int count) /* I - Number of values to free */ -{ - int i; /* Looping var */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("4ipp_free_values(attr=%p, element=%d, count=%d)", (void *)attr, element, count)); - - if (!(attr->value_tag & IPP_TAG_CUPS_CONST)) - { - /* - * Free values as needed... - */ - - switch (attr->value_tag) - { - case IPP_TAG_TEXTLANG : - case IPP_TAG_NAMELANG : - if (element == 0 && count == attr->num_values && - attr->values[0].string.language) - { - _cupsStrFree(attr->values[0].string.language); - attr->values[0].string.language = NULL; - } - /* Fall through to other string values */ - - case IPP_TAG_TEXT : - case IPP_TAG_NAME : - case IPP_TAG_RESERVED_STRING : - case IPP_TAG_KEYWORD : - case IPP_TAG_URI : - case IPP_TAG_URISCHEME : - case IPP_TAG_CHARSET : - case IPP_TAG_LANGUAGE : - case IPP_TAG_MIMETYPE : - for (i = count, value = attr->values + element; - i > 0; - i --, value ++) - { - _cupsStrFree(value->string.text); - value->string.text = NULL; - } - break; - - case IPP_TAG_DEFAULT : - case IPP_TAG_UNKNOWN : - case IPP_TAG_NOVALUE : - case IPP_TAG_NOTSETTABLE : - case IPP_TAG_DELETEATTR : - case IPP_TAG_ADMINDEFINE : - case IPP_TAG_INTEGER : - case IPP_TAG_ENUM : - case IPP_TAG_BOOLEAN : - case IPP_TAG_DATE : - case IPP_TAG_RESOLUTION : - case IPP_TAG_RANGE : - break; - - case IPP_TAG_BEGIN_COLLECTION : - for (i = count, value = attr->values + element; - i > 0; - i --, value ++) - { - ippDelete(value->collection); - value->collection = NULL; - } - break; - - case IPP_TAG_STRING : - default : - for (i = count, value = attr->values + element; - i > 0; - i --, value ++) - { - if (value->unknown.data) - { - free(value->unknown.data); - value->unknown.data = NULL; - } - } - break; - } - } - - /* - * If we are not freeing values from the end, move the remaining values up... - */ - - if ((element + count) < attr->num_values) - memmove(attr->values + element, attr->values + element + count, - (size_t)(attr->num_values - count - element) * sizeof(_ipp_value_t)); - - attr->num_values -= count; -} - - -/* - * 'ipp_get_code()' - Convert a C locale/charset name into an IPP language/charset code. - * - * This typically converts strings of the form "ll_CC", "ll-REGION", and "CHARSET_NUMBER" - * to "ll-cc", "ll-region", and "charset-number", respectively. - */ - -static char * /* O - Language code string */ -ipp_get_code(const char *value, /* I - Locale/charset string */ - char *buffer, /* I - String buffer */ - size_t bufsize) /* I - Size of string buffer */ -{ - char *bufptr, /* Pointer into buffer */ - *bufend; /* End of buffer */ - - - /* - * Convert values to lowercase and change _ to - as needed... - */ - - for (bufptr = buffer, bufend = buffer + bufsize - 1; - *value && bufptr < bufend; - value ++) - if (*value == '_') - *bufptr++ = '-'; - else - *bufptr++ = (char)_cups_tolower(*value); - - *bufptr = '\0'; - - /* - * Return the converted string... - */ - - return (buffer); -} - - -/* - * 'ipp_lang_code()' - Convert a C locale name into an IPP language code. - * - * This typically converts strings of the form "ll_CC" and "ll-REGION" to "ll-cc" and - * "ll-region", respectively. It also converts the "C" (POSIX) locale to "en". - */ - -static char * /* O - Language code string */ -ipp_lang_code(const char *locale, /* I - Locale string */ - char *buffer, /* I - String buffer */ - size_t bufsize) /* I - Size of string buffer */ -{ - /* - * Map POSIX ("C") locale to generic English, otherwise convert the locale string as-is. - */ - - if (!_cups_strcasecmp(locale, "c")) - { - strlcpy(buffer, "en", bufsize); - return (buffer); - } - else - return (ipp_get_code(locale, buffer, bufsize)); -} - - -/* - * 'ipp_length()' - Compute the length of an IPP message or collection value. - */ - -static size_t /* O - Size of IPP message */ -ipp_length(ipp_t *ipp, /* I - IPP message or collection */ - int collection) /* I - 1 if a collection, 0 otherwise */ -{ - int i; /* Looping var */ - size_t bytes; /* Number of bytes */ - ipp_attribute_t *attr; /* Current attribute */ - ipp_tag_t group; /* Current group */ - _ipp_value_t *value; /* Current value */ - - - DEBUG_printf(("3ipp_length(ipp=%p, collection=%d)", (void *)ipp, collection)); - - if (!ipp) - { - DEBUG_puts("4ipp_length: Returning 0 bytes"); - return (0); - } - - /* - * Start with 8 bytes for the IPP message header... - */ - - bytes = collection ? 0 : 8; - - /* - * Then add the lengths of each attribute... - */ - - group = IPP_TAG_ZERO; - - for (attr = ipp->attrs; attr != NULL; attr = attr->next) - { - if (attr->group_tag != group && !collection) - { - group = attr->group_tag; - if (group == IPP_TAG_ZERO) - continue; - - bytes ++; /* Group tag */ - } - - if (!attr->name) - continue; - - DEBUG_printf(("5ipp_length: attr->name=\"%s\", attr->num_values=%d, " - "bytes=" CUPS_LLFMT, attr->name, attr->num_values, CUPS_LLCAST bytes)); - - if ((attr->value_tag & ~IPP_TAG_CUPS_CONST) < IPP_TAG_EXTENSION) - bytes += (size_t)attr->num_values;/* Value tag for each value */ - else - bytes += (size_t)(5 * attr->num_values); - /* Value tag for each value */ - bytes += (size_t)(2 * attr->num_values); - /* Name lengths */ - bytes += strlen(attr->name); /* Name */ - bytes += (size_t)(2 * attr->num_values); - /* Value lengths */ - - if (collection) - bytes += 5; /* Add membername overhead */ - - switch (attr->value_tag & ~IPP_TAG_CUPS_CONST) - { - case IPP_TAG_UNSUPPORTED_VALUE : - case IPP_TAG_DEFAULT : - case IPP_TAG_UNKNOWN : - case IPP_TAG_NOVALUE : - case IPP_TAG_NOTSETTABLE : - case IPP_TAG_DELETEATTR : - case IPP_TAG_ADMINDEFINE : - break; - - case IPP_TAG_INTEGER : - case IPP_TAG_ENUM : - bytes += (size_t)(4 * attr->num_values); - break; - - case IPP_TAG_BOOLEAN : - bytes += (size_t)attr->num_values; - break; - - case IPP_TAG_TEXT : - case IPP_TAG_NAME : - case IPP_TAG_KEYWORD : - case IPP_TAG_URI : - case IPP_TAG_URISCHEME : - case IPP_TAG_CHARSET : - case IPP_TAG_LANGUAGE : - case IPP_TAG_MIMETYPE : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - if (value->string.text) - bytes += strlen(value->string.text); - break; - - case IPP_TAG_DATE : - bytes += (size_t)(11 * attr->num_values); - break; - - case IPP_TAG_RESOLUTION : - bytes += (size_t)(9 * attr->num_values); - break; - - case IPP_TAG_RANGE : - bytes += (size_t)(8 * attr->num_values); - break; - - case IPP_TAG_TEXTLANG : - case IPP_TAG_NAMELANG : - bytes += (size_t)(4 * attr->num_values); - /* Charset + text length */ - - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - { - if (value->string.language) - bytes += strlen(value->string.language); - - if (value->string.text) - bytes += strlen(value->string.text); - } - break; - - case IPP_TAG_BEGIN_COLLECTION : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - bytes += ipp_length(value->collection, 1); - break; - - default : - for (i = 0, value = attr->values; - i < attr->num_values; - i ++, value ++) - bytes += (size_t)value->unknown.length; - break; - } - } - - /* - * Finally, add 1 byte for the "end of attributes" tag or 5 bytes - * for the "end of collection" tag and return... - */ - - if (collection) - bytes += 5; - else - bytes ++; - - DEBUG_printf(("4ipp_length: Returning " CUPS_LLFMT " bytes", CUPS_LLCAST bytes)); - - return (bytes); -} - - -/* - * 'ipp_read_http()' - Semi-blocking read on a HTTP connection... - */ - -static ssize_t /* O - Number of bytes read */ -ipp_read_http(http_t *http, /* I - Client connection */ - ipp_uchar_t *buffer, /* O - Buffer for data */ - size_t length) /* I - Total length */ -{ - ssize_t tbytes, /* Total bytes read */ - bytes; /* Bytes read this pass */ - - - DEBUG_printf(("7ipp_read_http(http=%p, buffer=%p, length=%d)", (void *)http, (void *)buffer, (int)length)); - - /* - * Loop until all bytes are read... - */ - - for (tbytes = 0, bytes = 0; - tbytes < (int)length; - tbytes += bytes, buffer += bytes) - { - DEBUG_printf(("9ipp_read_http: tbytes=" CUPS_LLFMT ", http->state=%d", CUPS_LLCAST tbytes, http->state)); - - if (http->state == HTTP_STATE_WAITING) - break; - - if (http->used == 0 && !http->blocking) - { - /* - * Wait up to 10 seconds for more data on non-blocking sockets... - */ - - if (!httpWait(http, 10000)) - { - /* - * Signal no data... - */ - - bytes = -1; - break; - } - } - else if (http->used == 0 && http->timeout_value > 0) - { - /* - * Wait up to timeout seconds for more data on blocking sockets... - */ - - if (!httpWait(http, (int)(1000 * http->timeout_value))) - { - /* - * Signal no data... - */ - - bytes = -1; - break; - } - } - - if ((bytes = httpRead2(http, (char *)buffer, length - (size_t)tbytes)) < 0) - { -#ifdef WIN32 - break; -#else - if (errno != EAGAIN && errno != EINTR) - break; - - bytes = 0; -#endif /* WIN32 */ - } - else if (bytes == 0) - break; - } - - /* - * Return the number of bytes read... - */ - - if (tbytes == 0 && bytes < 0) - tbytes = -1; - - DEBUG_printf(("8ipp_read_http: Returning " CUPS_LLFMT " bytes", CUPS_LLCAST tbytes)); - - return (tbytes); -} - - -/* - * 'ipp_read_file()' - Read IPP data from a file. - */ - -static ssize_t /* O - Number of bytes read */ -ipp_read_file(int *fd, /* I - File descriptor */ - ipp_uchar_t *buffer, /* O - Read buffer */ - size_t length) /* I - Number of bytes to read */ -{ -#ifdef WIN32 - return ((ssize_t)read(*fd, buffer, (unsigned)length)); -#else - return (read(*fd, buffer, length)); -#endif /* WIN32 */ -} - - -/* - * 'ipp_set_error()' - Set a formatted, localized error string. - */ - -static void -ipp_set_error(ipp_status_t status, /* I - Status code */ - const char *format, /* I - Printf-style error string */ - ...) /* I - Additional arguments as needed */ -{ - va_list ap; /* Pointer to additional args */ - char buffer[2048]; /* Message buffer */ - cups_lang_t *lang = cupsLangDefault(); - /* Current language */ - - - va_start(ap, format); - vsnprintf(buffer, sizeof(buffer), _cupsLangString(lang, format), ap); - va_end(ap); - - _cupsSetError(status, buffer, 0); -} - - -/* - * 'ipp_set_value()' - Get the value element from an attribute, expanding it as - * needed. - */ - -static _ipp_value_t * /* O - IPP value element or NULL on error */ -ipp_set_value(ipp_t *ipp, /* IO - IPP message */ - ipp_attribute_t **attr, /* IO - IPP attribute */ - int element) /* I - Value number (0-based) */ -{ - ipp_attribute_t *temp, /* New attribute pointer */ - *current, /* Current attribute in list */ - *prev; /* Previous attribute in list */ - int alloc_values; /* Allocated values */ - - - /* - * If we are setting an existing value element, return it... - */ - - temp = *attr; - - if (temp->num_values <= 1) - alloc_values = 1; - else - alloc_values = (temp->num_values + IPP_MAX_VALUES - 1) & - ~(IPP_MAX_VALUES - 1); - - if (element < alloc_values) - { - if (element >= temp->num_values) - temp->num_values = element + 1; - - return (temp->values + element); - } - - /* - * Otherwise re-allocate the attribute - we allocate in groups of IPP_MAX_VALUE - * values when num_values > 1. - */ - - if (alloc_values < IPP_MAX_VALUES) - alloc_values = IPP_MAX_VALUES; - else - alloc_values += IPP_MAX_VALUES; - - DEBUG_printf(("4ipp_set_value: Reallocating for up to %d values.", - alloc_values)); - - /* - * Reallocate memory... - */ - - if ((temp = realloc(temp, sizeof(ipp_attribute_t) + (size_t)(alloc_values - 1) * sizeof(_ipp_value_t))) == NULL) - { - _cupsSetHTTPError(HTTP_STATUS_ERROR); - DEBUG_puts("4ipp_set_value: Unable to resize attribute."); - return (NULL); - } - - /* - * Zero the new memory... - */ - - memset(temp->values + temp->num_values, 0, (size_t)(alloc_values - temp->num_values) * sizeof(_ipp_value_t)); - - if (temp != *attr) - { - /* - * Reset pointers in the list... - */ - - DEBUG_printf(("4debug_free: %p %s", (void *)*attr, temp->name)); - DEBUG_printf(("4debug_alloc: %p %s %s%s (%d)", (void *)temp, temp->name, temp->num_values > 1 ? "1setOf " : "", ippTagString(temp->value_tag), temp->num_values)); - - if (ipp->current == *attr && ipp->prev) - { - /* - * Use current "previous" pointer... - */ - - prev = ipp->prev; - } - else - { - /* - * Find this attribute in the linked list... - */ - - for (prev = NULL, current = ipp->attrs; - current && current != *attr; - prev = current, current = current->next); - - if (!current) - { - /* - * This is a serious error! - */ - - *attr = temp; - _cupsSetError(IPP_STATUS_ERROR_INTERNAL, - _("IPP attribute is not a member of the message."), 1); - DEBUG_puts("4ipp_set_value: Unable to find attribute in message."); - return (NULL); - } - } - - if (prev) - prev->next = temp; - else - ipp->attrs = temp; - - ipp->current = temp; - ipp->prev = prev; - - if (ipp->last == *attr) - ipp->last = temp; - - *attr = temp; - } - - /* - * Return the value element... - */ - - if (element >= temp->num_values) - temp->num_values = element + 1; - - return (temp->values + element); -} - - -/* - * 'ipp_write_file()' - Write IPP data to a file. - */ - -static ssize_t /* O - Number of bytes written */ -ipp_write_file(int *fd, /* I - File descriptor */ - ipp_uchar_t *buffer, /* I - Data to write */ - size_t length) /* I - Number of bytes to write */ -{ -#ifdef WIN32 - return ((ssize_t)write(*fd, buffer, (unsigned)length)); -#else - return (write(*fd, buffer, length)); -#endif /* WIN32 */ -} |