--- hplip-3.12.9/prnt/hpcups/HPCupsFilter.cpp~	2013-02-21 17:11:06.356373425 -0500
+++ hplip-3.12.9/prnt/hpcups/HPCupsFilter.cpp	2013-02-21 17:17:44.826579491 -0500
@@ -649,20 +649,23 @@ int HPCupsFilter::processRasterData(cups
         {
             char    szFileName[64];
             memset(szFileName, 0, sizeof(szFileName));
-            snprintf (szFileName, sizeof(szFileName), "/var/log/hp/tmp/hpcupsfilterc_%d.bmp", current_page_number);
+            snprintf (szFileName, sizeof(szFileName), "/var/log/hp/tmp/hpcupsfilterc_%d.bmp.XXXXXX", current_page_number);
 
             if (cups_header.cupsColorSpace == CUPS_CSPACE_RGBW ||
                 cups_header.cupsColorSpace == CUPS_CSPACE_RGB)
             {
-                cfp = fopen (szFileName, "w");
-                chmod (szFileName, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+	        int fd = mkstemp (szFileName);
+                if (fd != -1)
+		    cfp = fdopen(fd, "w");
             }
             if (cups_header.cupsColorSpace == CUPS_CSPACE_RGBW ||
                 cups_header.cupsColorSpace == CUPS_CSPACE_K)
             {
-                szFileName[17] = 'k';
-                kfp = fopen (szFileName, "w");
-                chmod (szFileName, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+                int fd;
+		snprintf (szFileName, sizeof(szFileName), "/tmp/hpcupsfilterk_%d.bmp.XXXXXX", current_page_number);
+                fd = mkstemp (szFileName);
+                if (fd != -1)
+		    kfp = fdopen(fd, "w");
             }
 
             WriteBMPHeader (cfp, cups_header.cupsWidth, cups_header.cupsHeight, COLOR_RASTER);
--- hplip-3.12.9/prnt/hpcups/SystemServices.cpp~	2012-09-04 08:31:10.000000000 -0400
+++ hplip-3.12.9/prnt/hpcups/SystemServices.cpp	2013-02-21 17:20:58.096677737 -0500
@@ -36,10 +36,12 @@ SystemServices::SystemServices(int iLogL
     m_fp = NULL;
     if (iLogLevel & SAVE_PCL_FILE)
     {
+        int     fd;
         char    fname[64];
-	sprintf(fname, "%s/hpcups_job%d.out", "/var/log/hp/tmp",job_id);
-        m_fp = fopen(fname, "w");
-        chmod(fname, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+	sprintf(fname, "%s/hpcups_job%d.out.XXXXXX", "/var/log/hp/tmp",job_id);
+	fd = mkstemp (fname);
+	if (fd != -1)
+	    m_fp = fdopen(fd, "w");
     }
 }
 
--- hplip-3.12.9/prnt/hpijs/hpijs.cpp~	2013-02-21 17:11:06.356373425 -0500
+++ hplip-3.12.9/prnt/hpijs/hpijs.cpp	2013-02-21 17:23:08.696743534 -0500
@@ -96,14 +96,12 @@ void setLogLevel(UXServices *pSS)
 
     if (pSS->m_iLogLevel & SAVE_PCL_FILE)
     {
+        int     fd;
         char    szFileName[64];
-	snprintf (szFileName,sizeof(szFileName), "/var/log/hp/tmp/hpijs_%d.out", getpid());
-
-	pSS->outfp = fopen (szFileName, "w");
-	if (pSS->outfp)
-	{
-	    chmod (szFileName, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
-	}
+	snprintf (szFileName,sizeof(szFileName), "/var/log/hp/tmp/hpijs_%d.out.XXXXXX", getpid());
+	fd = mkstemp (szFileName);
+	if (fd != -1)
+	    pSS->outfp = fdopen (fd, "w");
     }
 }
 
--- hplip-3.12.9/prnt/hpps/hppsfilter.c~	2012-09-04 08:31:10.000000000 -0400
+++ hplip-3.12.9/prnt/hpps/hppsfilter.c	2013-02-21 17:25:50.566824441 -0500
@@ -93,10 +93,12 @@ void open_dbg_outfile(char* szjob_id)
     g_fp_outdbgps = NULL;
     if (g_savepsfile & SAVE_PS_FILE)
     {
+        int     fd;
         char    sfile_name[FILE_NAME_SIZE] = {0};
-	sprintf(sfile_name, "%s/%s_%d.out",DBG_TMP_FOLDER,DBG_PSFILE, szjob_id);
-        g_fp_outdbgps= fopen(sfile_name, "w");
-        chmod(sfile_name, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+	sprintf(sfile_name, "%s/%s_%d.out.XXXXXX",DBG_TMP_FOLDER,DBG_PSFILE, szjob_id);
+	fd = mkstemp (sfile_name);
+	if (fd != -1)
+	    g_fp_outdbgps= fdopen(fd, "w");
     }
 }