1 #include <sys/types.h>
2 #include <pwd.h>
3 #include "prot.h"
4 #include "strerr.h"
5 #include "pathexec.h"
6
7 #define FATAL "setuidgid: fatal: "
8
9 const char *account;
10 struct passwd *pw;
11
main(int argc,const char * const * argv,const char * const * envp)12 int main(int argc,const char *const *argv,const char *const *envp)
13 {
14 account = *++argv;
15 if (!account || !*++argv)
16 strerr_die1x(100,"setuidgid: usage: setuidgid account child");
17
18 pw = getpwnam(account);
19 if (!pw)
20 strerr_die3x(111,FATAL,"unknown account ",account);
21
22 if (prot_gid(pw->pw_gid) == -1)
23 strerr_die2sys(111,FATAL,"unable to setgid: ");
24 if (prot_uid(pw->pw_uid) == -1)
25 strerr_die2sys(111,FATAL,"unable to setuid: ");
26
27 pathexec_run(*argv,argv,envp);
28 strerr_die4sys(111,FATAL,"unable to run ",*argv,": ");
29 }
30