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authorElliott Hughes <enh@google.com>2021-05-07 21:40:15 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2021-05-07 21:40:15 +0000
commit3ece0f6f6a1c8768b5c26a3cad2698e9ab8081ed (patch)
tree8a23fffd8a1f77ddae2490917e94b6ca6ae0dbbe
parent2883f7fefdf7bf457a4c884aa558854e4b3e4ed7 (diff)
parentb734db3aebef30b72df60699c56628b954a05e06 (diff)
downloadlibxml2-3ece0f6f6a1c8768b5c26a3cad2698e9ab8081ed.tar.gz
Merge "Upgrade libxml2 to 7279d236364739a05657a8a614c15990eb08d0c6" am: 7cb4d979c3 am: 80288015e5 am: b7ae737b76 am: b734db3aeb
Original change: https://android-review.googlesource.com/c/platform/external/libxml2/+/1699085 Change-Id: I9c0638356c1f5d6ce60bdee477f73c8686f428d2
Diffstat
-rw-r--r--CMakeLists.txt2
-rw-r--r--HTMLparser.c442
-rw-r--r--INSTALL.libxml258
-rw-r--r--METADATA8
-rw-r--r--entities.c16
-rw-r--r--fuzz/Makefile.am4
-rw-r--r--fuzz/html.options2
-rw-r--r--fuzz/uri.options2
-rw-r--r--include/libxml/c14n.h10
-rw-r--r--parser.c16
-rw-r--r--tree.c31
-rw-r--r--xinclude.c5
-rw-r--r--xmllint.c3
-rw-r--r--xmlschemastypes.c41
-rw-r--r--xpath.c41
15 files changed, 443 insertions, 238 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d6ee9ec7..a437717b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -496,7 +496,7 @@ set_target_properties(
VERSION ${PROJECT_VERSION}
)
-if(WIN32)
+if(MSVC)
if(BUILD_SHARED_LIBS)
set_target_properties(
LibXml2
diff --git a/HTMLparser.c b/HTMLparser.c
index c9a64c78..b56363a3 100644
--- a/HTMLparser.c
+++ b/HTMLparser.c
@@ -1072,102 +1072,266 @@ html40ElementTable[] = {
}
};
+typedef struct {
+ const char *oldTag;
+ const char *newTag;
+} htmlStartCloseEntry;
+
/*
* start tags that imply the end of current element
*/
-static const char * const htmlStartClose[] = {
-"form", "form", "p", "hr", "h1", "h2", "h3", "h4", "h5", "h6",
- "dl", "ul", "ol", "menu", "dir", "address", "pre",
- "listing", "xmp", "head", NULL,
-"head", "p", NULL,
-"title", "p", NULL,
-"body", "head", "style", "link", "title", "p", NULL,
-"frameset", "head", "style", "link", "title", "p", NULL,
-"li", "p", "h1", "h2", "h3", "h4", "h5", "h6", "dl", "address",
- "pre", "listing", "xmp", "head", "li", NULL,
-"hr", "p", "head", NULL,
-"h1", "p", "head", NULL,
-"h2", "p", "head", NULL,
-"h3", "p", "head", NULL,
-"h4", "p", "head", NULL,
-"h5", "p", "head", NULL,
-"h6", "p", "head", NULL,
-"dir", "p", "head", NULL,
-"address", "p", "head", "ul", NULL,
-"pre", "p", "head", "ul", NULL,
-"listing", "p", "head", NULL,
-"xmp", "p", "head", NULL,
-"blockquote", "p", "head", NULL,
-"dl", "p", "dt", "menu", "dir", "address", "pre", "listing",
- "xmp", "head", NULL,
-"dt", "p", "menu", "dir", "address", "pre", "listing", "xmp",
- "head", "dd", NULL,
-"dd", "p", "menu", "dir", "address", "pre", "listing", "xmp",
- "head", "dt", NULL,
-"ul", "p", "head", "ol", "menu", "dir", "address", "pre",
- "listing", "xmp", NULL,
-"ol", "p", "head", "ul", NULL,
-"menu", "p", "head", "ul", NULL,
-"p", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", FONTSTYLE, NULL,
-"div", "p", "head", NULL,
-"noscript", "script", NULL,
-"center", "font", "b", "i", "p", "head", NULL,
-"a", "a", "head", NULL,
-"caption", "p", NULL,
-"colgroup", "caption", "colgroup", "col", "p", NULL,
-"col", "caption", "col", "p", NULL,
-"table", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", "pre",
- "listing", "xmp", "a", NULL,
-"th", "th", "td", "p", "span", "font", "a", "b", "i", "u", NULL,
-"td", "th", "td", "p", "span", "font", "a", "b", "i", "u", NULL,
-"tr", "th", "td", "tr", "caption", "col", "colgroup", "p", NULL,
-"thead", "caption", "col", "colgroup", NULL,
-"tfoot", "th", "td", "tr", "caption", "col", "colgroup", "thead",
- "tbody", "p", NULL,
-"tbody", "th", "td", "tr", "caption", "col", "colgroup", "thead",
- "tfoot", "tbody", "p", NULL,
-"optgroup", "option", NULL,
-"option", "option", NULL,
-"fieldset", "legend", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6",
- "pre", "listing", "xmp", "a", NULL,
-/* most tags in in FONTSTYLE, PHRASE and SPECIAL should close <head> */
-"tt", "head", NULL,
-"i", "head", NULL,
-"b", "head", NULL,
-"u", "head", NULL,
-"s", "head", NULL,
-"strike", "head", NULL,
-"big", "head", NULL,
-"small", "head", NULL,
-
-"em", "head", NULL,
-"strong", "head", NULL,
-"dfn", "head", NULL,
-"code", "head", NULL,
-"samp", "head", NULL,
-"kbd", "head", NULL,
-"var", "head", NULL,
-"cite", "head", NULL,
-"abbr", "head", NULL,
-"acronym", "head", NULL,
-
-/* "a" */
-"img", "head", NULL,
-/* "applet" */
-/* "embed" */
-/* "object" */
-"font", "head", NULL,
-/* "basefont" */
-"br", "head", NULL,
-/* "script" */
-"map", "head", NULL,
-"q", "head", NULL,
-"sub", "head", NULL,
-"sup", "head", NULL,
-"span", "head", NULL,
-"bdo", "head", NULL,
-"iframe", "head", NULL,
-NULL
+static const htmlStartCloseEntry htmlStartClose[] = {
+ { "a", "a" },
+ { "a", "fieldset" },
+ { "a", "table" },
+ { "a", "td" },
+ { "a", "th" },
+ { "address", "dd" },
+ { "address", "dl" },
+ { "address", "dt" },
+ { "address", "form" },
+ { "address", "li" },
+ { "address", "ul" },
+ { "b", "center" },
+ { "b", "p" },
+ { "b", "td" },
+ { "b", "th" },
+ { "big", "p" },
+ { "caption", "col" },
+ { "caption", "colgroup" },
+ { "caption", "tbody" },
+ { "caption", "tfoot" },
+ { "caption", "thead" },
+ { "caption", "tr" },
+ { "col", "col" },
+ { "col", "colgroup" },
+ { "col", "tbody" },
+ { "col", "tfoot" },
+ { "col", "thead" },
+ { "col", "tr" },
+ { "colgroup", "colgroup" },
+ { "colgroup", "tbody" },
+ { "colgroup", "tfoot" },
+ { "colgroup", "thead" },
+ { "colgroup", "tr" },
+ { "dd", "dt" },
+ { "dir", "dd" },
+ { "dir", "dl" },
+ { "dir", "dt" },
+ { "dir", "form" },
+ { "dir", "ul" },
+ { "dl", "form" },
+ { "dl", "li" },
+ { "dt", "dd" },
+ { "dt", "dl" },
+ { "font", "center" },
+ { "font", "td" },
+ { "font", "th" },
+ { "form", "form" },
+ { "h1", "fieldset" },
+ { "h1", "form" },
+ { "h1", "li" },
+ { "h1", "p" },
+ { "h1", "table" },
+ { "h2", "fieldset" },
+ { "h2", "form" },
+ { "h2", "li" },
+ { "h2", "p" },
+ { "h2", "table" },
+ { "h3", "fieldset" },
+ { "h3", "form" },
+ { "h3", "li" },
+ { "h3", "p" },
+ { "h3", "table" },
+ { "h4", "fieldset" },
+ { "h4", "form" },
+ { "h4", "li" },
+ { "h4", "p" },
+ { "h4", "table" },
+ { "h5", "fieldset" },
+ { "h5", "form" },
+ { "h5", "li" },
+ { "h5", "p" },
+ { "h5", "table" },
+ { "h6", "fieldset" },
+ { "h6", "form" },
+ { "h6", "li" },
+ { "h6", "p" },
+ { "h6", "table" },
+ { "head", "a" },
+ { "head", "abbr" },
+ { "head", "acronym" },
+ { "head", "address" },
+ { "head", "b" },
+ { "head", "bdo" },
+ { "head", "big" },
+ { "head", "blockquote" },
+ { "head", "body" },
+ { "head", "br" },
+ { "head", "center" },
+ { "head", "cite" },
+ { "head", "code" },
+ { "head", "dd" },
+ { "head", "dfn" },
+ { "head", "dir" },
+ { "head", "div" },
+ { "head", "dl" },
+ { "head", "dt" },
+ { "head", "em" },
+ { "head", "fieldset" },
+ { "head", "font" },
+ { "head", "form" },
+ { "head", "frameset" },
+ { "head", "h1" },
+ { "head", "h2" },
+ { "head", "h3" },
+ { "head", "h4" },
+ { "head", "h5" },
+ { "head", "h6" },
+ { "head", "hr" },
+ { "head", "i" },
+ { "head", "iframe" },
+ { "head", "img" },
+ { "head", "kbd" },
+ { "head", "li" },
+ { "head", "listing" },
+ { "head", "map" },
+ { "head", "menu" },
+ { "head", "ol" },
+ { "head", "p" },
+ { "head", "pre" },
+ { "head", "q" },
+ { "head", "s" },
+ { "head", "samp" },
+ { "head", "small" },
+ { "head", "span" },
+ { "head", "strike" },
+ { "head", "strong" },
+ { "head", "sub" },
+ { "head", "sup" },
+ { "head", "table" },
+ { "head", "tt" },
+ { "head", "u" },
+ { "head", "ul" },
+ { "head", "var" },
+ { "head", "xmp" },
+ { "hr", "form" },
+ { "i", "center" },
+ { "i", "p" },
+ { "i", "td" },
+ { "i", "th" },
+ { "legend", "fieldset" },
+ { "li", "li" },
+ { "link", "body" },
+ { "link", "frameset" },
+ { "listing", "dd" },
+ { "listing", "dl" },
+ { "listing", "dt" },
+ { "listing", "fieldset" },
+ { "listing", "form" },
+ { "listing", "li" },
+ { "listing", "table" },
+ { "listing", "ul" },
+ { "menu", "dd" },
+ { "menu", "dl" },
+ { "menu", "dt" },
+ { "menu", "form" },
+ { "menu", "ul" },
+ { "ol", "form" },
+ { "ol", "ul" },
+ { "option", "optgroup" },
+ { "option", "option" },
+ { "p", "address" },
+ { "p", "blockquote" },
+ { "p", "body" },
+ { "p", "caption" },
+ { "p", "center" },
+ { "p", "col" },
+ { "p", "colgroup" },
+ { "p", "dd" },
+ { "p", "dir" },
+ { "p", "div" },
+ { "p", "dl" },
+ { "p", "dt" },
+ { "p", "fieldset" },
+ { "p", "form" },
+ { "p", "frameset" },
+ { "p", "h1" },
+ { "p", "h2" },
+ { "p", "h3" },
+ { "p", "h4" },
+ { "p", "h5" },
+ { "p", "h6" },
+ { "p", "head" },
+ { "p", "hr" },
+ { "p", "li" },
+ { "p", "listing" },
+ { "p", "menu" },
+ { "p", "ol" },
+ { "p", "p" },
+ { "p", "pre" },
+ { "p", "table" },
+ { "p", "tbody" },
+ { "p", "td" },
+ { "p", "tfoot" },
+ { "p", "th" },
+ { "p", "title" },
+ { "p", "tr" },
+ { "p", "ul" },
+ { "p", "xmp" },
+ { "pre", "dd" },
+ { "pre", "dl" },
+ { "pre", "dt" },
+ { "pre", "fieldset" },
+ { "pre", "form" },
+ { "pre", "li" },
+ { "pre", "table" },
+ { "pre", "ul" },
+ { "s", "p" },
+ { "script", "noscript" },
+ { "small", "p" },
+ { "span", "td" },
+ { "span", "th" },
+ { "strike", "p" },
+ { "style", "body" },
+ { "style", "frameset" },
+ { "tbody", "tbody" },
+ { "tbody", "tfoot" },
+ { "td", "tbody" },
+ { "td", "td" },
+ { "td", "tfoot" },
+ { "td", "th" },
+ { "td", "tr" },
+ { "tfoot", "tbody" },
+ { "th", "tbody" },
+ { "th", "td" },
+ { "th", "tfoot" },
+ { "th", "th" },
+ { "th", "tr" },
+ { "thead", "tbody" },
+ { "thead", "tfoot" },
+ { "title", "body" },
+ { "title", "frameset" },
+ { "tr", "tbody" },
+ { "tr", "tfoot" },
+ { "tr", "tr" },
+ { "tt", "p" },
+ { "u", "p" },
+ { "u", "td" },
+ { "u", "th" },
+ { "ul", "address" },
+ { "ul", "form" },
+ { "ul", "menu" },
+ { "ul", "ol" },
+ { "ul", "pre" },
+ { "xmp", "dd" },
+ { "xmp", "dl" },
+ { "xmp", "dt" },
+ { "xmp", "fieldset" },
+ { "xmp", "form" },
+ { "xmp", "li" },
+ { "xmp", "table" },
+ { "xmp", "ul" }
};
/*
@@ -1237,9 +1401,6 @@ static const elementPriority htmlEndPriority[] = {
{NULL, 100} /* Default priority */
};
-static const char** htmlStartCloseIndex[100];
-static int htmlStartCloseIndexinitialized = 0;
-
/************************************************************************
* *
* functions to handle HTML specific data *
@@ -1249,24 +1410,18 @@ static int htmlStartCloseIndexinitialized = 0;
/**
* htmlInitAutoClose:
*
- * Initialize the htmlStartCloseIndex for fast lookup of closing tags names.
- * This is not reentrant. Call xmlInitParser() once before processing in
- * case of use in multithreaded programs.
+ * This is a no-op now.
*/
void
htmlInitAutoClose(void) {
- int indx, i = 0;
+}
- if (htmlStartCloseIndexinitialized) return;
+static int
+htmlCompareTags(const void *key, const void *member) {
+ const xmlChar *tag = (const xmlChar *) key;
+ const htmlElemDesc *desc = (const htmlElemDesc *) member;
- for (indx = 0;indx < 100;indx ++) htmlStartCloseIndex[indx] = NULL;
- indx = 0;
- while ((htmlStartClose[i] != NULL) && (indx < 100 - 1)) {
- htmlStartCloseIndex[indx++] = (const char**) &htmlStartClose[i];
- while (htmlStartClose[i] != NULL) i++;
- i++;
- }
- htmlStartCloseIndexinitialized = 1;
+ return(xmlStrcasecmp(tag, BAD_CAST desc->name));
}
/**
@@ -1279,14 +1434,12 @@ htmlInitAutoClose(void) {
*/
const htmlElemDesc *
htmlTagLookup(const xmlChar *tag) {
- unsigned int i;
+ if (tag == NULL)
+ return(NULL);
- for (i = 0; i < (sizeof(html40ElementTable) /
- sizeof(html40ElementTable[0]));i++) {
- if (!xmlStrcasecmp(tag, BAD_CAST html40ElementTable[i].name))
- return((htmlElemDescPtr) &html40ElementTable[i]);
- }
- return(NULL);
+ return((const htmlElemDesc *) bsearch(tag, html40ElementTable,
+ sizeof(html40ElementTable) / sizeof(htmlElemDesc),
+ sizeof(htmlElemDesc), htmlCompareTags));
}
/**
@@ -1307,6 +1460,19 @@ htmlGetEndPriority (const xmlChar *name) {
}
+static int
+htmlCompareStartClose(const void *vkey, const void *member) {
+ const htmlStartCloseEntry *key = (const htmlStartCloseEntry *) vkey;
+ const htmlStartCloseEntry *entry = (const htmlStartCloseEntry *) member;
+ int ret;
+
+ ret = strcmp(key->oldTag, entry->oldTag);
+ if (ret == 0)
+ ret = strcmp(key->newTag, entry->newTag);
+
+ return(ret);
+}
+
/**
* htmlCheckAutoClose:
* @newtag: The new tag name
@@ -1314,37 +1480,21 @@ htmlGetEndPriority (const xmlChar *name) {
*
* Checks whether the new tag is one of the registered valid tags for
* closing old.
- * Initialize the htmlStartCloseIndex for fast lookup of closing tags names.
*
* Returns 0 if no, 1 if yes.
*/
static int
htmlCheckAutoClose(const xmlChar * newtag, const xmlChar * oldtag)
{
- int i, indx;
- const char **closed = NULL;
-
- if (htmlStartCloseIndexinitialized == 0)
- htmlInitAutoClose();
-
- /* inefficient, but not a big deal */
- for (indx = 0; indx < 100; indx++) {
- closed = htmlStartCloseIndex[indx];
- if (closed == NULL)
- return (0);
- if (xmlStrEqual(BAD_CAST * closed, newtag))
- break;
- }
-
- i = closed - htmlStartClose;
- i++;
- while (htmlStartClose[i] != NULL) {
- if (xmlStrEqual(BAD_CAST htmlStartClose[i], oldtag)) {
- return (1);
- }
- i++;
- }
- return (0);
+ htmlStartCloseEntry key;
+ void *res;
+
+ key.oldTag = (const char *) oldtag;
+ key.newTag = (const char *) newtag;
+ res = bsearch(&key, htmlStartClose,
+ sizeof(htmlStartClose) / sizeof(htmlStartCloseEntry),
+ sizeof(htmlStartCloseEntry), htmlCompareStartClose);
+ return(res != NULL);
}
/**
@@ -4057,12 +4207,10 @@ htmlParseEndTag(htmlParserCtxtPtr ctxt)
* With the exception that the autoclose may have popped stuff out
* of the stack.
*/
- if (!xmlStrEqual(name, ctxt->name)) {
- if ((ctxt->name != NULL) && (!xmlStrEqual(ctxt->name, name))) {
- htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH,
- "Opening and ending tag mismatch: %s and %s\n",
- name, ctxt->name);
- }
+ if ((ctxt->name != NULL) && (!xmlStrEqual(ctxt->name, name))) {
+ htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH,
+ "Opening and ending tag mismatch: %s and %s\n",
+ name, ctxt->name);
}
/*
diff --git a/INSTALL.libxml2 b/INSTALL.libxml2
index 383fb935..ac9211d6 100644
--- a/INSTALL.libxml2
+++ b/INSTALL.libxml2
@@ -1,27 +1,21 @@
-Extracted from the documentation:
- http://xmlsoft.org/FAQ.html#Compilatio
-
See also the generic INSTALL file for configure options
Compilation
- 1.What is the process to compile libxml ?
+ 1. What is the process to compile libxml?
As most UNIX libraries libxml follows the "standard":
- gunzip -c xxx.tar.gz | tar xvf -
-
- cd libxml-xxxx
+ gunzip -c xxx.tar.gz | tar xvf -
+ cd libxml-xxxx
- ./configure --help
+ ./configure --help
to see the options, then the compilation/installation proper
- ./configure [possible options]
-
- make
-
- make install
+ ./configure [possible options]
+ make
+ make install
At that point you may have to rerun ldconfig or similar utility to
update your list of installed shared libs.
@@ -29,33 +23,29 @@ Compilation
At this point you can check that the library is properly functioning
by running
- make tests
+ make check
+
+ Please report test failures to the mailing list or bug tracker.
- 2.What other libraries are needed to compile/install libxml ?
+ 2. What other libraries are needed to compile/install libxml?
- Libxml does not requires any other library, the normal C ANSI API
- should be sufficient (please report any violation to this rule you
- may find).
+ Libxml does not require any other libraries. A platform with somewhat
+ recent POSIX support should be sufficient (please report any violation
+ to this rule you may find).
- However if found at configuration time libxml will detect and use
+ However if found at configuration time, libxml will detect and use
the following libs:
- libz: a highly portable and available widely compression library
- http://www.info-zip.org/pub/infozip/zlib/
+ libz: a highly portable and widely available compression library
+ https://zlib.net/
+ liblzma: another compression library
+ https://tukaani.org/xz/
iconv: a powerful character encoding conversion library. It's
- included by default on recent glibc libraries, so it doesn't
- need to be installed specifically on linux. It seems it's
- now part of the official UNIX specification. Here is one
- implementation of the library which source can be found here.
- http://clisp.cons.org/~haible/packages-libiconv.html
- ftp://ftp.ilog.fr/pub/Users/haible/gnu/
-
- 3.make tests may fail on some platforms
-
- Sometime the regression tests results don't completely match the
- value produced by the parser, and the makefile uses diff to print
- the delta. On some platforms the diff return breaks the compilation
- process, if the diff is small this is probably not a serious problem
+ part of POSIX.1-2001, so it doesn't need to be installed
+ on modern UNIX-like systems, specifically on Linux.
+ https://www.gnu.org/software/libiconv/
+ ICU: Mainly used by Chromium on Windows. Unnecessary on most
+ systems.
Daniel
veillard@redhat.com
diff --git a/METADATA b/METADATA
index a69aab21..fa133f6e 100644
--- a/METADATA
+++ b/METADATA
@@ -10,13 +10,13 @@ third_party {
}
url {
type: ARCHIVE
- value: "https://github.com/GNOME/libxml2/archive/ce2fbaa89da627a6c6cd6344d5339a76feba94b5.zip"
+ value: "https://github.com/GNOME/libxml2/archive/7279d236364739a05657a8a614c15990eb08d0c6.zip"
}
- version: "ce2fbaa89da627a6c6cd6344d5339a76feba94b5"
+ version: "7279d236364739a05657a8a614c15990eb08d0c6"
license_type: BY_EXCEPTION_ONLY
last_upgrade_date {
year: 2021
- month: 2
- day: 23
+ month: 5
+ day: 6
}
}
diff --git a/entities.c b/entities.c
index 37b99a56..1a8f86f0 100644
--- a/entities.c
+++ b/entities.c
@@ -704,11 +704,25 @@ xmlEncodeEntitiesInternal(xmlDocPtr doc, const xmlChar *input, int attr) {
} else {
/*
* We assume we have UTF-8 input.
+ * It must match either:
+ * 110xxxxx 10xxxxxx
+ * 1110xxxx 10xxxxxx 10xxxxxx
+ * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
+ * That is:
+ * cur[0] is 11xxxxxx
+ * cur[1] is 10xxxxxx
+ * cur[2] is 10xxxxxx if cur[0] is 111xxxxx
+ * cur[3] is 10xxxxxx if cur[0] is 1111xxxx
+ * cur[0] is not 11111xxx
*/
char buf[11], *ptr;
int val = 0, l = 1;
- if (*cur < 0xC0) {
+ if (((cur[0] & 0xC0) != 0xC0) ||
+ ((cur[1] & 0xC0) != 0x80) ||
+ (((cur[0] & 0xE0) == 0xE0) && ((cur[2] & 0xC0) != 0x80)) ||
+ (((cur[0] & 0xF0) == 0xF0) && ((cur[3] & 0xC0) != 0x80)) ||
+ (((cur[0] & 0xF8) == 0xF8))) {
xmlEntitiesErr(XML_CHECK_NOT_UTF8,
"xmlEncodeEntities: input not UTF-8");
if (doc != NULL)
diff --git a/fuzz/Makefile.am b/fuzz/Makefile.am
index 2bbdbb1f..7d383470 100644
--- a/fuzz/Makefile.am
+++ b/fuzz/Makefile.am
@@ -74,7 +74,7 @@ fuzz-html: html$(EXEEXT) seed/html.stamp
./html$(EXEEXT) \
-dict=html.dict \
-max_len=1000000 \
- -timeout=20 \
+ -timeout=10 \
corpus/html seed/html
# Regexp fuzzer
@@ -99,7 +99,7 @@ fuzz-uri: uri$(EXEEXT)
@mkdir -p corpus/uri
./uri$(EXEEXT) \
-max_len=10000 \
- -timeout=5 \
+ -timeout=2 \
corpus/uri $(srcdir)/seed/uri
# XML Schema fuzzer
diff --git a/fuzz/html.options b/fuzz/html.options
index e5d3bbee..1c63f53d 100644
--- a/fuzz/html.options
+++ b/fuzz/html.options
@@ -1,2 +1,2 @@
[libfuzzer]
-timeout = 20
+timeout = 10
diff --git a/fuzz/uri.options b/fuzz/uri.options
index ea2a7a23..0676c659 100644
--- a/fuzz/uri.options
+++ b/fuzz/uri.options
@@ -1,2 +1,2 @@
[libfuzzer]
-timeout = 5
+timeout = 2
diff --git a/include/libxml/c14n.h b/include/libxml/c14n.h
index d74847df..af93de63 100644
--- a/include/libxml/c14n.h
+++ b/include/libxml/c14n.h
@@ -16,17 +16,19 @@
*/
#ifndef __XML_C14N_H__
#define __XML_C14N_H__
+
+#include <libxml/xmlversion.h>
+
#ifdef LIBXML_C14N_ENABLED
#ifdef LIBXML_OUTPUT_ENABLED
+#include <libxml/tree.h>
+#include <libxml/xpath.h>
+
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
-#include <libxml/xmlversion.h>
-#include <libxml/tree.h>
-#include <libxml/xpath.h>
-
/*
* XML Canonicalization
* http://www.w3.org/TR/xml-c14n
diff --git a/parser.c b/parser.c
index efde672f..73c27edd 100644
--- a/parser.c
+++ b/parser.c
@@ -2684,8 +2684,10 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len,
rep = xmlStringDecodeEntities(ctxt, ent->content, what,
0, 0, 0);
ctxt->depth--;
- if (rep == NULL)
+ if (rep == NULL) {
+ ent->content[0] = 0;
goto int_error;
+ }
current = rep;
while (*current != 0) { /* non input consuming loop */
@@ -2740,8 +2742,11 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len,
rep = xmlStringDecodeEntities(ctxt, ent->content, what,
0, 0, 0);
ctxt->depth--;
- if (rep == NULL)
+ if (rep == NULL) {
+ if (ent->content != NULL)
+ ent->content[0] = 0;
goto int_error;
+ }
current = rep;
while (*current != 0) { /* non input consuming loop */
buffer[nbchars++] = *current++;
@@ -6203,6 +6208,8 @@ xmlParseElementChildrenContentDeclPriv(xmlParserCtxtPtr ctxt, int inputchk,
SKIP_BLANKS;
cur = ret = xmlParseElementChildrenContentDeclPriv(ctxt, inputid,
depth + 1);
+ if (cur == NULL)
+ return(NULL);
SKIP_BLANKS;
GROW;
} else {
@@ -6336,6 +6343,11 @@ xmlParseElementChildrenContentDeclPriv(xmlParserCtxtPtr ctxt, int inputchk,
SKIP_BLANKS;
last = xmlParseElementChildrenContentDeclPriv(ctxt, inputid,
depth + 1);
+ if (last == NULL) {
+ if (ret != NULL)
+ xmlFreeDocElementContent(ctxt->myDoc, ret);
+ return(NULL);
+ }
SKIP_BLANKS;
} else {
elem = xmlParseName(ctxt);
diff --git a/tree.c b/tree.c
index d6ea7049..c707f598 100644
--- a/tree.c
+++ b/tree.c
@@ -1901,12 +1901,6 @@ xmlNewPropInternal(xmlNodePtr node, xmlNsPtr ns,
if (value != NULL) {
xmlNodePtr tmp;
- if(!xmlCheckUTF8(value)) {
- xmlTreeErr(XML_TREE_NOT_UTF8, (xmlNodePtr) doc,
- NULL);
- if (doc != NULL)
- doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
- }
cur->children = xmlNewDocText(doc, value);
cur->last = NULL;
tmp = cur->children;
@@ -2026,6 +2020,11 @@ xmlNewNsPropEatName(xmlNodePtr node, xmlNsPtr ns, xmlChar *name,
* @value: the value of the attribute
*
* Create a new property carried by a document.
+ * NOTE: @value is supposed to be a piece of XML CDATA, so it allows entity
+ * references, but XML special chars need to be escaped first by using
+ * xmlEncodeEntitiesReentrant(). Use xmlNewProp() if you don't need
+ * entities support.
+ *
* Returns a pointer to the attribute
*/
xmlAttrPtr
@@ -4894,7 +4893,9 @@ xmlGetNodePath(const xmlNode *node)
}
next = ((xmlAttrPtr) cur)->parent;
} else {
- next = cur->parent;
+ xmlFree(buf);
+ xmlFree(buffer);
+ return (NULL);
}
/*
@@ -6589,6 +6590,16 @@ xmlGetPropNodeInternal(const xmlNode *node, const xmlChar *name,
attrDecl = xmlGetDtdQAttrDesc(doc->extSubset,
elemQName, name, NULL);
}
+ } else if (xmlStrEqual(nsName, XML_XML_NAMESPACE)) {
+ /*
+ * The XML namespace must be bound to prefix 'xml'.
+ */
+ attrDecl = xmlGetDtdQAttrDesc(doc->intSubset,
+ elemQName, name, BAD_CAST "xml");
+ if ((attrDecl == NULL) && (doc->extSubset != NULL)) {
+ attrDecl = xmlGetDtdQAttrDesc(doc->extSubset,
+ elemQName, name, BAD_CAST "xml");
+ }
} else {
xmlNsPtr *nsList, *cur;
@@ -6935,12 +6946,6 @@ xmlSetNsProp(xmlNodePtr node, xmlNsPtr ns, const xmlChar *name,
if (value != NULL) {
xmlNodePtr tmp;
- if(!xmlCheckUTF8(value)) {
- xmlTreeErr(XML_TREE_NOT_UTF8, (xmlNodePtr) node->doc,
- NULL);
- if (node->doc != NULL)
- node->doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
- }
prop->children = xmlNewDocText(node->doc, value);
prop->last = NULL;
tmp = prop->children;
diff --git a/xinclude.c b/xinclude.c
index 1636caff..b2e6ea13 100644
--- a/xinclude.c
+++ b/xinclude.c
@@ -2430,9 +2430,8 @@ xmlXIncludeDoProcess(xmlXIncludeCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr tree,
ctxt->incTotal++;
xmlXIncludePreProcessNode(ctxt, cur);
} else if ((cur->children != NULL) &&
- (cur->children->type != XML_ENTITY_DECL) &&
- (cur->children->type != XML_XINCLUDE_START) &&
- (cur->children->type != XML_XINCLUDE_END)) {
+ ((cur->type == XML_DOCUMENT_NODE) ||
+ (cur->type == XML_ELEMENT_NODE))) {
cur = cur->children;
continue;
}
diff --git a/xmllint.c b/xmllint.c
index 6ca1bf54..a3fe10a2 100644
--- a/xmllint.c
+++ b/xmllint.c
@@ -2213,7 +2213,7 @@ static void parseAndPrintFile(char *filename, xmlParserCtxtPtr rectxt) {
if (res > 0) {
ctxt = htmlCreatePushParserCtxt(NULL, NULL,
chars, res, filename, XML_CHAR_ENCODING_NONE);
- xmlCtxtUseOptions(ctxt, options);
+ htmlCtxtUseOptions(ctxt, options);
while ((res = fread(chars, 1, pushsize, f)) > 0) {
htmlParseChunk(ctxt, chars, res, 0);
}
@@ -2426,6 +2426,7 @@ static void parseAndPrintFile(char *filename, xmlParserCtxtPtr rectxt) {
dtd = xmlGetIntSubset(doc);
if (dtd != NULL) {
xmlUnlinkNode((xmlNodePtr)dtd);
+ doc->intSubset = NULL;
xmlFreeDtd(dtd);
}
}
diff --git a/xmlschemastypes.c b/xmlschemastypes.c
index 07b5fd76..9c2dff06 100644
--- a/xmlschemastypes.c
+++ b/xmlschemastypes.c
@@ -2187,6 +2187,44 @@ xmlSchemaParseUInt(const xmlChar **str, unsigned long *llo,
return(ret);
}
+/*
+ * xmlSchemaCheckLanguageType
+ * @value: the value to check
+ *
+ * Check that a value conforms to the lexical space of the language datatype.
+ * Must conform to [a-zA-Z]{1,8}(-[a-zA-Z0-9]{1,8})*
+ *
+ * Returns 1 if this validates, 0 otherwise.
+ */
+static int
+xmlSchemaCheckLanguageType(const xmlChar* value) {
+ int first = 1, len = 0;
+ const xmlChar* cur = value;
+
+ if (value == NULL)
+ return (0);
+
+ while (cur[0] != 0) {
+ if (!( ((cur[0] >= 'a') && (cur[0] <= 'z')) || ((cur[0] >= 'A') && (cur[0] <= 'Z'))
+ || (cur[0] == '-')
+ || ((first == 0) && (xmlIsDigit_ch(cur[0]))) ))
+ return (0);
+ if (cur[0] == '-') {
+ if ((len < 1) || (len > 8))
+ return (0);
+ len = 0;
+ first = 0;
+ }
+ else
+ len++;
+ cur++;
+ }
+ if ((len < 1) || (len > 8))
+ return (0);
+
+ return (1);
+}
+
/**
* xmlSchemaValAtomicType:
* @type: the predefined type
@@ -2704,7 +2742,8 @@ xmlSchemaValAtomicType(xmlSchemaTypePtr type, const xmlChar * value,
if (norm != NULL)
value = norm;
}
- if (xmlCheckLanguageID(value) == 1) {
+
+ if (xmlSchemaCheckLanguageType(value) == 1) {
if (val != NULL) {
v = xmlSchemaNewValue(XML_SCHEMAS_LANGUAGE);
if (v != NULL) {
diff --git a/xpath.c b/xpath.c
index 6ee7e57e..7497ba07 100644
--- a/xpath.c
+++ b/xpath.c
@@ -488,14 +488,6 @@ int wrap_cmp( xmlNodePtr x, xmlNodePtr y );
* *
************************************************************************/
-#ifndef INFINITY
-#define INFINITY (DBL_MAX * DBL_MAX)
-#endif
-
-#ifndef NAN
-#define NAN (INFINITY / INFINITY)
-#endif
-
double xmlXPathNAN;
double xmlXPathPINF;
double xmlXPathNINF;
@@ -505,11 +497,14 @@ double xmlXPathNINF;
*
* Initialize the XPath environment
*/
+ATTRIBUTE_NO_SANITIZE("float-divide-by-zero")
void
xmlXPathInit(void) {
- xmlXPathNAN = NAN;
- xmlXPathPINF = INFINITY;
- xmlXPathNINF = -INFINITY;
+ /* MSVC doesn't allow division by zero in constant expressions. */
+ double zero = 0.0;
+ xmlXPathNAN = 0.0 / zero;
+ xmlXPathPINF = 1.0 / zero;
+ xmlXPathNINF = -xmlXPathPINF;
}
/**
@@ -538,9 +533,9 @@ xmlXPathIsInf(double val) {
#ifdef isinf
return isinf(val) ? (val > 0 ? 1 : -1) : 0;
#else
- if (val >= INFINITY)
+ if (val >= xmlXPathPINF)
return 1;
- if (val <= -INFINITY)
+ if (val <= -xmlXPathPINF)
return -1;
return 0;
#endif
@@ -5873,10 +5868,10 @@ xmlXPathCastNodeToNumber (xmlNodePtr node) {
double ret;
if (node == NULL)
- return(NAN);
+ return(xmlXPathNAN);
strval = xmlXPathCastNodeToString(node);
if (strval == NULL)
- return(NAN);
+ return(xmlXPathNAN);
ret = xmlXPathCastStringToNumber(strval);
xmlFree(strval);
@@ -5897,7 +5892,7 @@ xmlXPathCastNodeSetToNumber (xmlNodeSetPtr ns) {
double ret;
if (ns == NULL)
- return(NAN);
+ return(xmlXPathNAN);
str = xmlXPathCastNodeSetToString(ns);
ret = xmlXPathCastStringToNumber(str);
xmlFree(str);
@@ -5917,13 +5912,13 @@ xmlXPathCastToNumber(xmlXPathObjectPtr val) {
double ret = 0.0;
if (val == NULL)
- return(NAN);
+ return(xmlXPathNAN);
switch (val->type) {
case XPATH_UNDEFINED:
#ifdef DEBUG_EXPR
xmlGenericError(xmlGenericErrorContext, "NUMBER: undefined\n");
#endif
- ret = NAN;
+ ret = xmlXPathNAN;
break;
case XPATH_NODESET:
case XPATH_XSLT_TREE:
@@ -5943,7 +5938,7 @@ xmlXPathCastToNumber(xmlXPathObjectPtr val) {
case XPATH_RANGE:
case XPATH_LOCATIONSET:
TODO;
- ret = NAN;
+ ret = xmlXPathNAN;
break;
}
return(ret);
@@ -7570,7 +7565,7 @@ xmlXPathModValues(xmlXPathParserContextPtr ctxt) {
CHECK_TYPE(XPATH_NUMBER);
arg1 = ctxt->value->floatval;
if (arg2 == 0)
- ctxt->value->floatval = NAN;
+ ctxt->value->floatval = xmlXPathNAN;
else {
ctxt->value->floatval = fmod(arg1, arg2);
}
@@ -10000,7 +9995,7 @@ xmlXPathStringEvalNumber(const xmlChar *str) {
if (cur == NULL) return(0);
while (IS_BLANK_CH(*cur)) cur++;
if ((*cur != '.') && ((*cur < '0') || (*cur > '9')) && (*cur != '-')) {
- return(NAN);
+ return(xmlXPathNAN);
}
if (*cur == '-') {
isneg = 1;
@@ -10036,7 +10031,7 @@ xmlXPathStringEvalNumber(const xmlChar *str) {
cur++;
if (((*cur < '0') || (*cur > '9')) && (!ok)) {
- return(NAN);
+ return(xmlXPathNAN);
}
while (*cur == '0') {
frac = frac + 1;
@@ -10069,7 +10064,7 @@ xmlXPathStringEvalNumber(const xmlChar *str) {
}
}
while (IS_BLANK_CH(*cur)) cur++;
- if (*cur != 0) return(NAN);
+ if (*cur != 0) return(xmlXPathNAN);
if (isneg) ret = -ret;
if (is_exponent_negative) exponent = -exponent;
ret *= pow(10.0, (double)exponent);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-21 05:38:27 +0000