X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=jcc.c;h=20647fa708ee6c3b389555818331f3c95b8e117f;hp=048a3f4a469519e743120ffa68a1eae943e8f837;hb=54b4e8c141117d636f6113ec4c43579248b77ed7;hpb=4d8eca65bd4a6eefe57197c80ef41849f0f9874d;ds=sidebyside

diff --git a/jcc.c b/jcc.c
index 048a3f4a..20647fa7 100644
--- a/jcc.c
+++ b/jcc.c
@@ -1,4 +1,4 @@
-const char jcc_rcs[] = "$Id: jcc.c,v 1.306 2009/12/22 13:04:10 fabiankeil Exp $";
+const char jcc_rcs[] = "$Id: jcc.c,v 1.310 2009/12/29 13:17:37 fabiankeil Exp $";
 /*********************************************************************
  *
  * File        :  $Source: /cvsroot/ijbswa/current/jcc.c,v $
@@ -119,7 +119,7 @@ const char jcc_rcs[] = "$Id: jcc.c,v 1.306 2009/12/22 13:04:10 fabiankeil Exp $"
 const char jcc_h_rcs[] = JCC_H_VERSION;
 const char project_h_rcs[] = PROJECT_H_VERSION;
 
-int no_daemon = 0;
+int daemon_mode = 1;
 struct client_state  clients[1];
 struct file_list     files[1];
 
@@ -2951,7 +2951,7 @@ int main(int argc, char **argv)
       else if (strcmp(argv[argc_pos], "--no-daemon" ) == 0)
       {
          set_debug_level(LOG_LEVEL_FATAL | LOG_LEVEL_ERROR | LOG_LEVEL_INFO);
-         no_daemon = 1;
+         daemon_mode = 0;
       }
 
       else if (strcmp(argv[argc_pos], "--pidfile" ) == 0)
@@ -3119,8 +3119,10 @@ int main(int argc, char **argv)
 {
    pid_t pid = 0;
 
-   if (!no_daemon)
+   if (daemon_mode)
    {
+      int fd;
+
       pid  = fork();
 
       if ( pid < 0 ) /* error */
@@ -3152,12 +3154,43 @@ int main(int argc, char **argv)
        * stderr (fd 2) will be closed later on,
        * when the config file has been parsed.
        */
+      close(0);
+      close(1);
+
+      /*
+       * Reserve fd 0 and 1 to prevent abort() and friends
+       * from sending stuff to the clients or servers.
+       */
+      fd = open("/dev/null", O_RDONLY);
+      if (fd == -1)
+      {
+         log_error(LOG_LEVEL_FATAL, "Failed to open /dev/null: %E");
+      }
+      else if (fd != 0)
+      {
+         if (dup2(fd, 0) == -1)
+         {
+            log_error(LOG_LEVEL_FATAL, "Failed to reserve fd 0: %E");
+         }
+         close(fd);
+      }
+      fd = open("/dev/null", O_WRONLY);
+      if (fd == -1)
+      {
+         log_error(LOG_LEVEL_FATAL, "Failed to open /dev/null: %E");
+      }
+      else if (fd != 1)
+      {
+         if (dup2(fd, 1) == -1)
+         {
+            log_error(LOG_LEVEL_FATAL, "Failed to reserve fd 1: %E");
+         }
+         close(fd);
+      }
 
-      close( 0 );
-      close( 1 );
       chdir("/");
 
-   } /* -END- if (!no_daemon) */
+   } /* -END- if (daemon_mode) */
 
    /*
     * As soon as we have written the PID file, we can switch