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-rw-r--r--common/src/fixpath.c545
1 files changed, 545 insertions, 0 deletions
diff --git a/common/src/fixpath.c b/common/src/fixpath.c
new file mode 100644
index 0000000..d9dec6d
--- /dev/null
+++ b/common/src/fixpath.c
@@ -0,0 +1,545 @@
+/*
+ * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <Windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <string.h>
+#include <malloc.h>
+
+void report_error(char const * msg)
+{
+ LPVOID lpMsgBuf;
+ DWORD dw = GetLastError();
+
+ FormatMessage(
+ FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL,
+ dw,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPTSTR) &lpMsgBuf,
+ 0,
+ NULL);
+
+ fprintf(stderr,
+ "%s Failed with error %d: %s\n",
+ msg, dw, lpMsgBuf);
+
+ LocalFree(lpMsgBuf);
+}
+
+/*
+ * Test if pos points to /cygdrive/_/ where _ can
+ * be any character.
+ */
+int is_cygdrive_here(int pos, char const *in, int len)
+{
+ // Length of /cygdrive/c/ is 12
+ if (pos+12 > len) return 0;
+ if (in[pos+11]=='/' &&
+ in[pos+9]=='/' &&
+ in[pos+8]=='e' &&
+ in[pos+7]=='v' &&
+ in[pos+6]=='i' &&
+ in[pos+5]=='r' &&
+ in[pos+4]=='d' &&
+ in[pos+3]=='g' &&
+ in[pos+2]=='y' &&
+ in[pos+1]=='c' &&
+ in[pos+0]=='/') {
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * Replace /cygdrive/_/ with _:/
+ * Works in place since drive letter is always
+ * shorter than /cygdrive/
+ */
+char *replace_cygdrive_cygwin(char const *in)
+{
+ size_t len = strlen(in);
+ char *out = (char*) malloc(len+1);
+ int i,j;
+
+ if (len < 12) {
+ memmove(out, in, len + 1);
+ return out;
+ }
+
+ for (i = 0, j = 0; i<len;) {
+ if (is_cygdrive_here(i, in, len)) {
+ out[j++] = in[i+10];
+ out[j++] = ':';
+ i+=11;
+ } else {
+ out[j] = in[i];
+ i++;
+ j++;
+ }
+ }
+ out[j] = '\0';
+ return out;
+}
+
+void append(char **b, size_t *bl, size_t *u, char *add, size_t addlen)
+{
+ while ((addlen+*u+1) > *bl) {
+ *bl *= 2;
+ *b = (char*) realloc(*b, *bl);
+ }
+ memcpy(*b+*u, add, addlen);
+ *u += addlen;
+}
+
+/*
+ * Creates a new string from in where the first occurrence of sub is
+ * replaced by rep.
+ */
+char *replace_substring(char *in, char *sub, char *rep)
+{
+ int in_len = strlen(in);
+ int sub_len = strlen(sub);
+ int rep_len = strlen(rep);
+ char *out = (char *) malloc(in_len - sub_len + rep_len + 1);
+ char *p;
+
+ if (!(p = strstr(in, sub))) {
+ // If sub isn't a substring of in, just return in.
+ return in;
+ }
+
+ // Copy characters from beginning of in to start of sub.
+ strncpy(out, in, p - in);
+ out[p - in] = '\0';
+
+ sprintf(out + (p - in), "%s%s", rep, p + sub_len);
+
+ return out;
+}
+
+char* msys_path_list; // @-separated list of paths prefix to look for
+char* msys_path_list_end; // Points to last \0 in msys_path_list.
+
+void setup_msys_path_list(char const * argument)
+{
+ char* p;
+ char* drive_letter_pos;
+
+ msys_path_list = strdup(&argument[2]);
+ msys_path_list_end = &msys_path_list[strlen(msys_path_list)];
+
+ // Convert all at-sign (@) in path list to \0.
+ // @ was chosen as separator to minimize risk of other tools messing around with it
+ p = msys_path_list;
+ do {
+ if (p[1] == ':') {
+ // msys has mangled our path list, restore it from c:/... to /c/...
+ drive_letter_pos = p+1;
+ *drive_letter_pos = *p;
+ *p = '/';
+ }
+
+ // Look for an @ in the list
+ p = strchr(p, '@');
+ if (p != NULL) {
+ *p = '\0';
+ p++;
+ }
+ } while (p != NULL);
+}
+
+char *replace_cygdrive_msys(char const *in)
+{
+ char* str;
+ char* prefix;
+ char* p;
+
+ str = strdup(in);
+
+ // For each prefix in the path list, search for it and replace /c/... with c:/...
+ for (prefix = msys_path_list; prefix < msys_path_list_end && prefix != NULL; prefix += strlen(prefix)+1) {
+ p=str;
+ while ((p = strstr(p, prefix))) {
+ char* drive_letter = p+1;
+ *p = *drive_letter;
+ *drive_letter = ':';
+ p++;
+ }
+ }
+
+ return str;
+}
+
+char*(*replace_cygdrive)(char const *in) = NULL;
+
+char *files_to_delete[1024];
+int num_files_to_delete = 0;
+
+char *fix_at_file(char const *in)
+{
+ char *tmpdir;
+ char name[2048];
+ char *atname;
+ char *buffer;
+ size_t buflen=65536;
+ size_t used=0;
+ size_t len;
+ int rc;
+ FILE *atout;
+ FILE *atin;
+ char block[2048];
+ size_t blocklen;
+ char *fixed;
+
+ atin = fopen(in+1, "r");
+ if (atin == NULL) {
+ fprintf(stderr, "Could not read at file %s\n", in+1);
+ exit(-1);
+ }
+
+ tmpdir = getenv("TEMP");
+ if (tmpdir == NULL) {
+#if _WIN64
+ tmpdir = "c:/cygwin64/tmp";
+#else
+ tmpdir = "c:/cygwin/tmp";
+#endif
+ }
+ _snprintf(name, sizeof(name), "%s\\atfile_XXXXXX", tmpdir);
+
+ rc = _mktemp_s(name, strlen(name)+1);
+ if (rc) {
+ fprintf(stderr, "Could not create temporary file name for at file!\n");
+ exit(-1);
+ }
+
+ atout = fopen(name, "w");
+ if (atout == NULL) {
+ fprintf(stderr, "Could not open temporary file for writing! %s\n", name);
+ exit(-1);
+ }
+
+ buffer = (char*) malloc(buflen);
+ while ((blocklen = fread(block, 1, sizeof(block), atin)) > 0) {
+ append(&buffer, &buflen, &used, block, blocklen);
+ }
+ buffer[used] = 0;
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath input from @-file %s: %s\n", &in[1], buffer);
+ }
+ fixed = replace_cygdrive(buffer);
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath converted to @-file %s is: %s\n", name, fixed);
+ }
+ fwrite(fixed, strlen(fixed), 1, atout);
+ fclose(atin);
+ fclose(atout);
+ free(fixed);
+ free(buffer);
+ files_to_delete[num_files_to_delete] = (char*) malloc(strlen(name)+1);
+ strcpy(files_to_delete[num_files_to_delete], name);
+ num_files_to_delete++;
+ atname = (char*) malloc(strlen(name)+2);
+ atname[0] = '@';
+ strcpy(atname+1, name);
+ return atname;
+}
+
+// given an argument, convert it to the windows command line safe quoted version
+// using rules from:
+// http://blogs.msdn.com/b/twistylittlepassagesallalike/archive/2011/04/23/everyone-quotes-arguments-the-wrong-way.aspx
+// caller is responsible for freeing both input and output.
+char * quote_arg(char const * in_arg) {
+ char *quoted = NULL;
+ char *current = quoted;
+ int pass;
+
+ if (strlen(in_arg) == 0) {
+ // empty string? explicitly quote it.
+ return _strdup("\"\"");
+ }
+
+ if (strpbrk(in_arg, " \t\n\v\r\\\"") == NULL) {
+ return _strdup(in_arg);
+ }
+
+ // process the arg twice. Once to calculate the size and then to copy it.
+ for (pass=1; pass<=2; pass++) {
+ char const *arg = in_arg;
+
+ // initial "
+ if (pass == 2) {
+ *current = '\"';
+ }
+ current++;
+
+ // process string to be quoted until NUL
+ do {
+ int escapes = 0;
+
+ while (*arg == '\\') {
+ // count escapes.
+ escapes++;
+ arg++;
+ }
+
+ if (*arg == '\0') {
+ // escape the escapes before final "
+ escapes *= 2;
+ } else if (*arg == '"') {
+ // escape the escapes and the "
+ escapes = escapes * 2 + 1;
+ } else {
+ // escapes aren't special, just echo them.
+ }
+
+ // emit some escapes
+ while (escapes > 0) {
+ if (pass == 2) {
+ *current = '\\';
+ }
+ current++;
+ escapes--;
+ }
+
+ // and the current char
+ if (pass == 2) {
+ *current = *arg;
+ }
+ current++;
+ } while (*arg++ != '\0');
+
+ // allocate the buffer
+ if (pass == 1) {
+ size_t alloc = (size_t) (current - quoted + (ptrdiff_t) 2);
+ current = quoted = (char*) calloc(alloc, sizeof(char));
+ }
+ }
+
+ // final " and \0
+ *(current - 1) = '"';
+ *current = '\0';
+
+ return quoted;
+}
+
+int main(int argc, char const ** argv)
+{
+ STARTUPINFO si;
+ PROCESS_INFORMATION pi;
+ unsigned short rc;
+
+ char *line;
+ char *current;
+ int i, cmd;
+ DWORD exitCode = 0;
+ DWORD processFlags = 0;
+ BOOL processInheritHandles = TRUE;
+ BOOL waitForChild = TRUE;
+
+ if (argc<2 || argv[1][0] != '-' || (argv[1][1] != 'c' && argv[1][1] != 'm')) {
+ fprintf(stderr, "Usage: fixpath -c|m<path@path@...> [--detach] /cygdrive/c/WINDOWS/notepad.exe [/cygdrive/c/x/test.txt|@/cygdrive/c/x/atfile]\n");
+ exit(0);
+ }
+
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ char const * cmdline = GetCommandLine();
+ fprintf(stderr, "fixpath input line >%s<\n", strstr(cmdline, argv[1]));
+ }
+
+ if (argv[1][1] == 'c' && argv[1][2] == '\0') {
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath using cygwin mode\n");
+ }
+ replace_cygdrive = replace_cygdrive_cygwin;
+ } else if (argv[1][1] == 'm') {
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath using msys mode, with path list: %s\n", &argv[1][2]);
+ }
+ setup_msys_path_list(argv[1]);
+ replace_cygdrive = replace_cygdrive_msys;
+ } else {
+ fprintf(stderr, "fixpath Unknown mode: %s\n", argv[1]);
+ exit(-1);
+ }
+
+ if (argv[2][0] == '-') {
+ if (strcmp(argv[2], "--detach") == 0) {
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath in detached mode\n");
+ }
+ processFlags |= DETACHED_PROCESS;
+ processInheritHandles = FALSE;
+ waitForChild = FALSE;
+ } else {
+ fprintf(stderr, "fixpath Unknown argument: %s\n", argv[2]);
+ exit(-1);
+ }
+ i = 3;
+ } else {
+ i = 2;
+ }
+
+ // handle assignments
+ while (i < argc) {
+ char const * assignment = strchr(argv[i], '=');
+ if (assignment != NULL && assignment != argv[i]) {
+ size_t var_len = (size_t) (assignment - argv[i] + (ptrdiff_t) 1);
+ char *var = (char *) calloc(var_len, sizeof(char));
+ char *val = replace_cygdrive(assignment + 1);
+ memmove(var, argv[i], var_len);
+ var[var_len - 1] = '\0';
+ strupr(var);
+
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath setting var >%s< to >%s<\n", var, val);
+ }
+
+ rc = SetEnvironmentVariable(var, val);
+ if (!rc) {
+ // Could not set var for some reason. Try to report why.
+ const int msg_len = 80 + var_len + strlen(val);
+ char * msg = (char *) alloca(msg_len);
+ _snprintf_s(msg, msg_len, _TRUNCATE, "Could not set environment variable [%s=%s]", var, val);
+ report_error(msg);
+ exit(1);
+ }
+ free(var);
+ free(val);
+ } else {
+ // no more assignments;
+ break;
+ }
+ i++;
+ }
+
+ // remember index of the command
+ cmd = i;
+
+ // handle command and it's args.
+ while (i < argc) {
+ char const *replaced = replace_cygdrive(argv[i]);
+ if (replaced[0] == '@') {
+ if (waitForChild == FALSE) {
+ fprintf(stderr, "fixpath Cannot use @-files in detached mode: %s\n", replaced);
+ exit(1);
+ }
+ // Found at-file! Fix it!
+ replaced = fix_at_file(replaced);
+ }
+ argv[i] = quote_arg(replaced);
+ i++;
+ }
+
+ // determine the length of the line
+ line = NULL;
+ // args
+ for (i = cmd; i < argc; i++) {
+ line += (ptrdiff_t) strlen(argv[i]);
+ }
+ // spaces and null
+ line += (ptrdiff_t) (argc - cmd + 1);
+ // allocate
+ line = (char*) calloc(line - (char*) NULL, sizeof(char));
+
+ // copy in args.
+ current = line;
+ for (i = cmd; i < argc; i++) {
+ ptrdiff_t len = strlen(argv[i]);
+ if (i != cmd) {
+ *current++ = ' ';
+ }
+ memmove(current, argv[i], len);
+ current += len;
+ }
+ *current = '\0';
+
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath converted line >%s<\n", line);
+ }
+
+ if (cmd == argc) {
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath no command provided!\n");
+ }
+ exit(0);
+ }
+
+ ZeroMemory(&si, sizeof(si));
+ si.cb=sizeof(si);
+ ZeroMemory(&pi, sizeof(pi));
+
+ fflush(stderr);
+ fflush(stdout);
+
+ rc = CreateProcess(NULL,
+ line,
+ 0,
+ 0,
+ processInheritHandles,
+ processFlags,
+ NULL,
+ NULL,
+ &si,
+ &pi);
+ if (!rc) {
+ // Could not start process for some reason. Try to report why:
+ report_error("Could not start process!");
+ exit(126);
+ }
+
+ if (waitForChild == TRUE) {
+ WaitForSingleObject(pi.hProcess, INFINITE);
+ GetExitCodeProcess(pi.hProcess, &exitCode);
+
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ for (i=0; i<num_files_to_delete; ++i) {
+ fprintf(stderr, "fixpath Not deleting temporary file %s\n",
+ files_to_delete[i]);
+ }
+ } else {
+ for (i=0; i<num_files_to_delete; ++i) {
+ remove(files_to_delete[i]);
+ }
+ }
+
+ if (exitCode != 0) {
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath exit code %d\n",
+ exitCode);
+ }
+ }
+ } else {
+ if (getenv("DEBUG_FIXPATH") != NULL) {
+ fprintf(stderr, "fixpath Not waiting for child process");
+ }
+ }
+
+ exit(exitCode);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 20:03:09 +0000