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prot.c (281B)

      1 #include "prot.h"
      2 
      3 #include <sys/types.h>
      4 #include <unistd.h>
      5 #include <grp.h>
      6 
      7 int prot_gid(gid_t gid)
      8 {
      9   if (setgroups(1,&gid) == -1) return -1;
     10   return setgid(gid); /* _should_ be redundant, but on some systems it isn't */
     11 }
     12 
     13 int prot_uid(uid_t uid)
     14 {
     15   return setuid(uid);
     16 }