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now set uid to 1 instead of nobody for PERM_SUDOERS since nobody

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is not always set to a valid uid.
This commit is contained in:
Todd C. Miller
1996-06-25 23:32:09 +00:00
parent 4d9f668bb1
commit 0ac88016c4
1 changed files with 7 additions and 9 deletions
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16
sudo.c
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@@ -893,19 +893,17 @@ void set_perms(perm)
/*
* If SUDOERS_UID == 0 we need to use
* a different uid in order to avoid
* NFS lossage. Sigh.
* NFS lossage. Using uid 1 is a bit
* bogus but should be safe.
*/
if (SUDOERS_UID) {
if (seteuid(SUDOERS_UID)) {
perror("seteuid(SUDOERS_UID)");
if (SUDOERS_UID == 0) {
if (seteuid(1)) {
perror("seteuid(1)");
exit(1);
}
} else {
if (!(pw_ent = getpwnam("nobody")))
pw_ent->pw_uid = (uid_t) -2;
if (seteuid(pw_ent->pw_uid)) {
perror("seteuid(nobody)");
if (seteuid(SUDOERS_UID)) {
perror("seteuid(SUDOERS_UID)");
exit(1);
}
}