65 lines
1.9 KiB
Diff
65 lines
1.9 KiB
Diff
diff -up cups-1.4.1/cups/tempfile.c.str3382 cups-1.4.1/cups/tempfile.c
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--- cups-1.4.1/cups/tempfile.c.str3382 2008-12-10 06:03:11.000000000 +0100
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+++ cups-1.4.1/cups/tempfile.c 2009-10-20 15:08:39.000000000 +0200
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@@ -35,6 +35,7 @@
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# include <io.h>
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#else
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# include <unistd.h>
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+# include <sys/types.h>
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#endif /* WIN32 || __EMX__ */
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@@ -56,7 +57,7 @@ cupsTempFd(char *filename, /* I - Point
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char tmppath[1024]; /* Windows temporary directory */
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DWORD curtime; /* Current time */
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#else
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- struct timeval curtime; /* Current time */
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+ mode_t old_umask; /* Old umask before using mkstemp() */
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#endif /* WIN32 */
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@@ -107,33 +108,25 @@ cupsTempFd(char *filename, /* I - Point
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snprintf(filename, len - 1, "%s/%05lx%08lx", tmpdir,
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GetCurrentProcessId(), curtime);
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-#else
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- /*
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- * Get the current time of day...
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- */
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-
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- gettimeofday(&curtime, NULL);
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-
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- /*
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- * Format a string using the hex time values...
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- */
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-
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- snprintf(filename, len - 1, "%s/%08lx%05lx", tmpdir,
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- (unsigned long)curtime.tv_sec, (unsigned long)curtime.tv_usec);
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-#endif /* WIN32 */
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/*
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* Open the file in "exclusive" mode, making sure that we don't
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* stomp on an existing file or someone's symlink crack...
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*/
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-#ifdef WIN32
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fd = open(filename, _O_CREAT | _O_RDWR | _O_TRUNC | _O_BINARY,
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_S_IREAD | _S_IWRITE);
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-#elif defined(O_NOFOLLOW)
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- fd = open(filename, O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600);
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#else
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- fd = open(filename, O_RDWR | O_CREAT | O_EXCL, 0600);
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+
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+ /*
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+ * Use the standard mkstemp() call to make a temporary filename
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+ * securely. -- andrew.wood@jdplc.com
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+ */
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+ snprintf(filename, len - 1, "%s/cupsXXXXXX", tmpdir);
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+
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+ old_umask = umask(0077);
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+ fd = mkstemp(filename);
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+ umask(old_umask);
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#endif /* WIN32 */
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if (fd < 0 && errno != EEXIST)
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