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Index: dropbear-0.50/svr-chansession.c
===================================================================
--- dropbear-0.50.orig/svr-chansession.c 2007-08-10 23:47:48.000000000 +0200
+++ dropbear-0.50/svr-chansession.c 2007-08-10 23:47:48.000000000 +0200
@@ -908,12 +908,12 @@
/* We can only change uid/gid as root ... */
if (getuid() == 0) {
- if ((setgid(ses.authstate.pw->pw_gid) < 0) ||
+ if ((ses.authstate.pw->pw_gid != 0) && ((setgid(ses.authstate.pw->pw_gid) < 0) ||
(initgroups(ses.authstate.pw->pw_name,
- ses.authstate.pw->pw_gid) < 0)) {
+ ses.authstate.pw->pw_gid) < 0))) {
dropbear_exit("error changing user group");
}
- if (setuid(ses.authstate.pw->pw_uid) < 0) {
+ if ((ses.authstate.pw->pw_uid != 0) && (setuid(ses.authstate.pw->pw_uid) < 0)) {
dropbear_exit("error changing user");
}
} else {
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