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do an initgroups() before running a command, unless the target user

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is root.
This commit is contained in:
Todd C. Miller
1998-01-23 00:28:00 +00:00
parent b51df9a118
commit 7d5c340f98
1 changed files with 14 additions and 0 deletions
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14
sudo.c
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@@ -936,6 +936,20 @@ void set_perms(perm, sudo_mode)
exit(1); exit(1);
} }
/*
* Initialize group vector only if
* we are going to be a non-root user.
*/
if (strcmp(runas_user, "root") != 0 &&
initgroups(runas_user, pw_ent->pw_gid)
== -1) {
(void) fprintf(stderr,
"%s: cannot set group vector ",
Argv[0]);
perror("");
exit(1);
}
if (setuid(pw_ent->pw_uid)) { if (setuid(pw_ent->pw_uid)) {
(void) fprintf(stderr, (void) fprintf(stderr,
"%s: cannot set uid to %d: ", "%s: cannot set uid to %d: ",