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[people/ms/ipfire-3.x.git] / cups / patches / cups-str3382.patch

diff -up cups-1.4.3/cups/tempfile.c.str3382 cups-1.4.3/cups/tempfile.c
--- cups-1.4.3/cups/tempfile.c.str3382	2010-01-18 19:47:12.000000000 +0100
+++ cups-1.4.3/cups/tempfile.c	2010-03-31 13:26:52.000000000 +0200
@@ -35,6 +35,7 @@
 #  include <io.h>
 #else
 #  include <unistd.h>
+#  include <sys/types.h>
 #endif /* WIN32 || __EMX__ */
 
 
@@ -56,7 +57,7 @@ cupsTempFd(char *filename,		/* I - Point
   char		tmppath[1024];		/* Windows temporary directory */
   DWORD		curtime;		/* Current time */
 #else
-  struct timeval curtime;		/* Current time */
+  mode_t	old_umask;		/* Old umask before using mkstemp() */
 #endif /* WIN32 */
 
 
@@ -107,33 +108,25 @@ cupsTempFd(char *filename,		/* I - Point
 
     snprintf(filename, len - 1, "%s/%05lx%08lx", tmpdir,
              GetCurrentProcessId(), curtime);
-#else
-   /*
-    * Get the current time of day...
-    */
-
-    gettimeofday(&curtime, NULL);
-
-   /*
-    * Format a string using the hex time values...
-    */
-
-    snprintf(filename, len - 1, "%s/%05x%08x", tmpdir, (unsigned)getpid(),
-             (unsigned)(curtime.tv_sec + curtime.tv_usec + tries));
-#endif /* WIN32 */
 
    /*
     * Open the file in "exclusive" mode, making sure that we don't
     * stomp on an existing file or someone's symlink crack...
     */
 
-#ifdef WIN32
     fd = open(filename, _O_CREAT | _O_RDWR | _O_TRUNC | _O_BINARY,
               _S_IREAD | _S_IWRITE);
-#elif defined(O_NOFOLLOW)
-    fd = open(filename, O_RDWR | O_CREAT | O_EXCL | O_NOFOLLOW, 0600);
 #else
-    fd = open(filename, O_RDWR | O_CREAT | O_EXCL, 0600);
+
+   /*
+    * Use the standard mkstemp() call to make a temporary filename
+    * securely.  -- andrew.wood@jdplc.com
+    */
+    snprintf(filename, len - 1, "%s/cupsXXXXXX", tmpdir);
+
+    old_umask = umask(0077);
+    fd = mkstemp(filename);
+    umask(old_umask);
 #endif /* WIN32 */
 
     if (fd < 0 && errno != EEXIST)