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| 13 | * You should have received a copy of the GNU General Public License |
13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 16 | */ |
16 | */ |
| 17 | 17 | ||
| 18 |
|
18 | /* Wrap uid and exec */ |
| 19 | 19 | ||
| 20 | #include <unistd.h> |
20 | #include <unistd.h> |
| 21 | #include <string.h> |
21 | #include <string.h> |
| 22 | 22 | ||
| 23 | int main(int argc,char *argv[]) |
23 | int main(int argc,char *argv[]) |
| 24 | { |
24 | { |
| 25 | char *args[1024]; |
25 | char *args[1024]; |
| 26 | int i, uid1, uid2, gid1, gid2; |
26 | int i, uid1, uid2, gid1, gid2; |
| 27 | 27 | ||
| 28 | if(argc<2) return 0; |
28 | if(argc<2) return 0; |
| 29 | for(i=0;i<1000 && i<argc; i++) args[i]=argv[i+1]; |
29 | for(i=0;i<1000 && i<argc; i++) args[i]=argv[i+1]; |
| 30 | args[i]=NULL; |
30 | args[i]=NULL; |
| 31 | uid1=geteuid(); uid2=getuid(); gid1=getegid(); gid2=getgid(); |
31 | uid1=geteuid(); uid2=getuid(); gid1=getegid(); gid2=getgid(); |
| 32 | if(strchr(args[0],'/')) { |
32 | if(strchr(args[0],'/')) { |
| 33 |
|
33 | setreuid(uid1,uid2); setregid(gid1,gid2); |
| 34 |
|
34 | execv(args[0],args); |
| 35 | } |
35 | } |
| 36 | else { |
36 | else { |
| 37 |
|
37 | setreuid(uid1,uid1); setregid(gid1,gid1); |
| 38 |
|
38 | execvp(args[0],args); |
| 39 | } |
39 | } |
| 40 | return 127; |
40 | return 127; |
| 41 | } |
41 | } |
| 42 | 42 | ||