diff options
Diffstat (limited to '')
| -rw-r--r-- | w3mimgdisplay.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/w3mimgdisplay.c b/w3mimgdisplay.c index a51a9ef..8df2e5c 100644 --- a/w3mimgdisplay.c +++ b/w3mimgdisplay.c @@ -1,8 +1,10 @@ -/* $Id: w3mimgdisplay.c,v 1.8 2002/10/31 09:36:22 ukai Exp $ */ +/* $Id: w3mimgdisplay.c,v 1.9 2002/11/06 03:50:49 ukai Exp $ */ #include <stdio.h> #include <stdlib.h> #include <ctype.h> #include <string.h> +#include <sys/types.h> +#include <unistd.h> #include "config.h" #include "w3mimg/w3mimg.h" @@ -25,12 +27,29 @@ main(int argc, char **argv) { int len; char buf[1024 + 128]; +#ifdef W3MIMGDISPLAY_SETUID + uid_t runner_uid = getuid(); + uid_t owner_uid = geteuid(); + /* swap real and effective */ + setreuid(owner_uid, runner_uid); +#endif GetOption(argc, argv); if (!defined_debug) - fclose(stderr); + freopen("/dev/null", "w", stderr); +#ifdef W3MIMGDISPLAY_SETUID + /* + * back real and effective + * run w3mimg_open() in setuid privileges + */ + setreuid(runner_uid, owner_uid); +#endif w_op = w3mimg_open(); +#ifdef W3MIMGDISPLAY_SETUID + /* make sure drop privileges now */ + setreuid(runner_uid, runner_uid); +#endif if (w_op == NULL) exit(1); if (defined_x) |