2003-12-22 Christian Hammers <[email protected]>

        * configure.ac (and everywhere a regular file is opened for
          writing): use file permissions from configure rather than
          compiled-in umask.

Author: gdt

ChangeLog

@@ -1,3 +1,9 @@
+2003-12-22 Christian Hammers <[email protected]>
+
+	* configure.ac (and everywhere a regular file is opened for
+	  writing): use file permissions from configure rather than
+	  compiled-in umask.
+
 2003-12-22 Hasso Tepper <[email protected]>
 
 	* lib/linklist.c: Revert microfix I commited while reverting 

NEWS

@@ -8,6 +8,10 @@
   directory from $(sysconfdir), easing NetBSD pkgsrc hierarchy rules
   compliance.
 
+- New configure options --enable-configfile-mask and
+  --enable-logfile-mask to set umask values for config and log
+  values.  Masks default to 0600, matching previous behavior.
+
 * Changes in Quagga 0.96.4
 
 - Further fixes to ospfd, some relating to the PtP revert. Interface

bgpd/bgp_dump.c

@@ -95,6 +95,7 @@ bgp_dump_open_file (struct bgp_dump *bgp_dump)
   struct tm *tm;
   char fullpath[MAXPATHLEN];
   char realpath[MAXPATHLEN];
+  mode_t oldumask;
 
   time (&clock);
   tm = localtime (&clock);
@@ -117,10 +118,15 @@ bgp_dump_open_file (struct bgp_dump *bgp_dump)
     fclose (bgp_dump->fp);
 
 
+  oldumask = umask(0777 & ~LOGFILE_MASK);
   bgp_dump->fp = fopen (realpath, "w");
 
   if (bgp_dump->fp == NULL)
-    return NULL;
+    {
+      umask(oldumask);
+      return NULL;
+    }
+  umask(oldumask);  
 
   return bgp_dump->fp;
 }

configure.ac

@@ -115,6 +115,10 @@ AC_ARG_ENABLE(quagga_group,
 [  --enable-group=ARG      group to run Quagga suite as (default quagga)])
 AC_ARG_ENABLE(vty_group,
 [  --enable-vty-group=ARG      set vty sockets to have specified group as owner])
+AC_ARG_ENABLE(configfile_mask,
+[  --enable-configfile-mask=ARG  set mask for config files])
+AC_ARG_ENABLE(logfile_mask,
+[  --enable-logfile-mask=ARG     set mask for log files])
 
 AC_ARG_ENABLE(rtadv,
 [  --disable-rtadv         disable IPV6 router advertisement feature])
@@ -176,6 +180,12 @@ elif test x"${enable_vty_group}" != x""; then
   fi
 fi
 
+enable_configfile_mask=${enable_configfile_mask:-0600}
+AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
+
+enable_logfile_mask=${enable_logfile_mask:-0600}
+AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
+
 changequote(, )dnl
 
 MULTIPATH_NUM=1
@@ -1073,6 +1083,8 @@ example directory       : `eval echo \`echo ${exampledir}\``
 user to run as		: ${enable_user}
 group to run as		: ${enable_group}
 group for vty sockets	: ${enable_vty_group}
+config file mask        : ${enable_configfile_mask}
+log file mask           : ${enable_logfile_mask}
 
 The above user and group must have read/write access to the state file
 directory and to the config files in the config file directory.

lib/command.c

@@ -2552,6 +2552,14 @@ DEFUN (config_write_file,
 
   free (config_file_sav);
   free (config_file_tmp);
+
+  if (chmod (config_file, CONFIGFILE_MASK) != 0)
+    {
+      vty_out (vty, "Can't chmod configuration file %s: %s (%d).%s", 
+	config_file, strerror(errno), errno, VTY_NEWLINE);
+      return CMD_WARNING;      
+    }
+
   vty_out (vty, "Configuration saved to %s%s", config_file,
 	   VTY_NEWLINE);
   return CMD_SUCCESS;

lib/log.c

@@ -365,6 +365,7 @@ int
 zlog_set_file (struct zlog *zl, int flags, char *filename)
 {
   FILE *fp;
+  mode_t oldumask;
 
   /* There is opend file.  */
   zlog_reset_file (zl);
@@ -374,9 +375,14 @@ zlog_set_file (struct zlog *zl, int flags, char *filename)
     zl = zlog_default;
 
   /* Open file. */
+  oldumask = umask (0777 & ~LOGFILE_MASK);
   fp = fopen (filename, "a");
   if (fp == NULL)
-    return 0;
+    {
+      umask(oldumask);
+      return 0;
+    }
+  umask(oldumask);
 
   /* Set flags. */
   zl->filename = strdup (filename);
@@ -421,9 +427,16 @@ zlog_rotate (struct zlog *zl)
 
   if (zl->filename)
     {
+      mode_t oldumask;
+
+      oldumask = umask (0777 & ~LOGFILE_MASK);
       fp = fopen (zl->filename, "a");
       if (fp == NULL)
-	return -1;
+        {
+	  umask(oldumask);
+	  return -1;
+        }	
+      umask(oldumask);
       zl->fp = fp;
     }
 

lib/pid_output.c

@@ -32,16 +32,20 @@ pid_output (char *path)
 #ifndef HAVE_FCNTL
   FILE *fp;
   pid_t pid;
+  mask_t oldumask;
 
   pid = getpid();
 
+  oldumask = umask(0777 & ~LOGFILE_MASK);
   fp = fopen (path, "w");
   if (fp != NULL) 
     {
       fprintf (fp, "%d\n", (int) pid);
       fclose (fp);
+      umask(oldumask);
       return -1;
     }
+  umask(oldumask);
   return pid;
 #else
   return pid_output_lock(path);
@@ -57,18 +61,23 @@ pid_output_lock (char *path)
   pid_t pid;
   char buf[16];
   struct flock lock;  
+  mode_t oldumask;
 
   pid = getpid ();
 
-  fd = open (path, O_RDWR | O_CREAT, 0644);
+  oldumask = umask(0777 & ~LOGFILE_MASK);
+  zlog_err( "old umask %d %d", oldumask, 0777 & ~LOGFILE_MASK);
+  fd = open (path, O_RDWR | O_CREAT, LOGFILE_MASK);
       if (fd < 0)
         {
         zlog_err( "Can't creat pid lock file %s (%s), exit", 
                  path, strerror(errno));
+      umask(oldumask);
       exit (-1);
     }
   else
     {
+      umask(oldumask);
       memset (&lock, 0, sizeof(lock));
 
       lock.l_type = F_WRLCK;

lib/vty.c

@@ -2185,6 +2185,14 @@ vty_use_backup_config (char *fullpath)
   close (sav);
   close (tmp);
 
+  if (chmod(fullpath_tmp, CONFIGFILE_MASK) != 0)
+    {
+      free (fullpath_sav);
+      free (fullpath_tmp);
+      unlink (fullpath_tmp);
+      return NULL;
+    }
+  
   if (link (fullpath_tmp, fullpath) == 0)
     ret = fopen (fullpath, "r");
 

vtysh/vtysh.c

@@ -1287,14 +1287,10 @@ DEFUN (no_vtysh_write_config,
 int write_config_integrated(void)
 {
   int ret;
-  mode_t old_umask;
   char line[] = "write terminal\n";
   FILE *fp;
   char *integrate_sav = NULL;
 
-  /* config files have 0600 perms... */ 
-  old_umask = umask (0077);
-
   integrate_sav = malloc (strlen (integrate_default) 
 			    + strlen (CONF_BACKUP_EXT) + 1);
   strcpy (integrate_sav, integrate_default);
@@ -1312,7 +1308,6 @@ int write_config_integrated(void)
   if (fp == NULL)
     {
       fprintf (stdout,"%% Can't open configuration file %s.\n", integrate_default);
-      umask (old_umask);
       return CMD_SUCCESS;
     }
 
@@ -1329,11 +1324,17 @@ int write_config_integrated(void)
 
   fclose (fp);
 
+  if (chmod (integrate_default, CONFIGFILE_MASK) != 0)
+    {
+      fprintf (stdout,"%% Can't chmod configuration file %s: %s (%d)\n", 
+	integrate_default, strerror(errno), errno);
+      return CMD_WARNING;
+    }
+
   fprintf(stdout,"Integrated configuration saved to %s\n",integrate_default);
 
   fprintf (stdout,"[OK]\n");
 
-  umask (old_umask);
   return CMD_SUCCESS;
 }