Fix some more issues with the mod_ffmpeg, mod_dv security patches

[synfig.git] / synfig-core / trunk / src / modules / mod_ffmpeg / trgt_ffmpeg.cpp

diff --git a/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp b/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp
index f663efb..d2e8525 100644 (file)
--- a/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp
+++ b/synfig-core/trunk/src/modules/mod_ffmpeg/trgt_ffmpeg.cpp
@@ -37,6 +37,7 @@
 #include "trgt_ffmpeg.h"
 #include <stdio.h>
 #include <sys/types.h>
+#include <sys/wait.h>
 #include <unistd.h>
 #include <algorithm>
 #include <functional>
@@ -62,6 +63,7 @@ SYNFIG_TARGET_SET_CVS_ID(ffmpeg_trgt,"$Id$");
 
 ffmpeg_trgt::ffmpeg_trgt(const char *Filename)
 {
+       pid=-1;
        file=NULL;
        filename=Filename;
        multi_image=false;
@@ -76,7 +78,9 @@ ffmpeg_trgt::~ffmpeg_trgt()
        {
                etl::yield();
                sleep(1);
-               pclose(file);
+               fclose(file);
+               int status;
+               waitpid(pid,&status,0);
        }
        file=NULL;
        delete [] buffer;
@@ -134,7 +138,7 @@ ffmpeg_trgt::init()
                return false;
        };
   
-       pid_t pid = fork();
+       pid = fork();
   
        if (pid == -1) {
                synfig::error(_("Unable to open pipe to ffmpeg"));
@@ -143,11 +147,15 @@ ffmpeg_trgt::init()
   
        if (pid == 0){
                // Child process
+               // Close pipeout, not needed
+               close(p[1]);
                // Dup pipeout to stdin
                if( dup2( p[0], STDIN_FILENO ) == -1 ){
                        synfig::error(_("Unable to open pipe to ffmpeg"));
                        return false;
                }
+               // Close the unneeded pipeout
+               close(p[0]);
                execlp("ffmpeg", "ffmpeg", "-f", "image2pipe", "-vcodec", "ppm", "-an", "-r", strprintf("%f", desc.get_frame_rate()).c_str(), "-i", "pipe:", "-loop", "-hq", "-title", get_canvas()->get_name().c_str(), "-vcodec", "mpeg1video", "-y", "--", filename.c_str(), (const char *)NULL);
                // We should never reach here unless the exec failed
                synfig::error(_("Unable to open pipe to ffmpeg"));