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Rev 11528 | Rev 11539 | ||
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Line 17... | Line 17... | ||
17 | 17 | ||
18 | /* Wrap uid and exec */ |
18 | /* Wrap uid and exec */ |
19 | 19 | ||
20 | #include <unistd.h> |
20 | #include <unistd.h> |
21 | #include <string.h> |
21 | #include <string.h> |
22 | - | ||
23 | void inline IGNORE() {} /* Ignore GCC Unused Result */ |
- | |
24 | void IGNORE(); /* see http://stackoverflow.com/a/16245669/490291 */ |
- | |
25 | 22 | ||
26 | int main(int argc,char *argv[]) |
23 | int main(int argc,char *argv[]) |
27 | { |
24 | { |
28 | char *args[1024]; |
25 | char *args[1024]; |
29 | int i, uid1, uid2, gid1, gid2; |
26 | int i, uid1, uid2, gid1, gid2; |
Line 31... | Line 28... | ||
31 | if(argc<2) return 0; |
28 | if(argc<2) return 0; |
32 | 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]; |
33 | args[i]=NULL; |
30 | args[i]=NULL; |
34 | uid1=geteuid(); uid2=getuid(); gid1=getegid(); gid2=getgid(); |
31 | uid1=geteuid(); uid2=getuid(); gid1=getegid(); gid2=getgid(); |
35 | if(strchr(args[0],'/')) { |
32 | if(strchr(args[0],'/')) { |
36 |
|
33 | setreuid(uid1,uid2); setregid(gid1,gid2); |
37 | execv(args[0],args); |
34 | execv(args[0],args); |
38 | } |
35 | } |
39 | else { |
36 | else { |
40 |
|
37 | setreuid(uid1,uid1); setregid(gid1,gid1); |
41 | execvp(args[0],args); |
38 | execvp(args[0],args); |
42 | } |
39 | } |
43 | return 127; |
40 | return 127; |
44 | } |
41 | } |
45 | 42 |