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Check setuid() and getuid() for errors

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Thanks to Hector Marco for reporting.


git-svn-id: file:///var/www/svn.irssi.org/SVN/irssi/trunk@5228 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Alexander Færøy 2013-12-13 22:23:39 +00:00 committed by ahf
parent fa92c92797
commit aaf4cc33db
1 changed files with 9 additions and 2 deletions
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11
src/fe-common/core/fe-exec.c
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@ -39,7 +39,9 @@
#include "window-items.h" #include "window-items.h"
#include <signal.h> #include <signal.h>
#include <stdlib.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <unistd.h>
GSList *processes; GSList *processes;
static int signal_exec_input; static int signal_exec_input;
@ -322,8 +324,13 @@ static void process_exec(PROCESS_REC *rec, const char *cmd)
/* child process, try to clean up everything */ /* child process, try to clean up everything */
setsid(); setsid();
setuid(getuid());
setgid(getgid()); if (setuid(getuid()) != 0)
_exit(EXIT_FAILURE);
if (setgid(getgid()) != 0)
_exit(EXIT_FAILURE);
signal(SIGINT, SIG_IGN); signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_DFL); signal(SIGQUIT, SIG_DFL);