static int getgrouplist_internals(const char *user, gid_t gid, gid_t *groups, int *grpcnt)
{
gid_t *gids_saved;
- int ret, ngrp_saved;
+ int ret, ngrp_saved, num_gids;
if (non_root_mode()) {
*grpcnt = 0;
set_effective_gid(gid);
setgid(gid);
- ret = getgroups(*grpcnt, groups);
- if (ret >= 0) {
- *grpcnt = ret;
+ num_gids = getgroups(0, NULL);
+ if (num_gids + 1 > *grpcnt) {
+ *grpcnt = num_gids + 1;
+ ret = -1;
+ } else {
+ ret = getgroups(*grpcnt - 1, &groups[1]);
+ if (ret >= 0) {
+ groups[0] = gid;
+ *grpcnt = ret + 1;
+ }
}
restore_re_gid();
int sys_getgrouplist(const char *user, gid_t gid, gid_t *groups, int *grpcnt)
{
+ char *p;
+ int retval;
+
+ DEBUG(10,("sys_getgrouplist: user [%s]\n", user));
+
+ /* see if we should disable winbindd lookups for local users */
+ if ( (p = strchr(user, *lp_winbind_separator())) == NULL ) {
+ if ( !winbind_off() )
+ DEBUG(0,("sys_getgroup_list: Insufficient environment space for %s\n",
+ WINBINDD_DONT_ENV));
+ else
+ DEBUG(10,("sys_getgrouplist(): disabled winbindd for group lookup [user == %s]\n",
+ user));
+ }
+
#ifdef HAVE_GETGROUPLIST
- return getgrouplist(user, gid, groups, grpcnt);
+ retval = getgrouplist(user, gid, groups, grpcnt);
#else
- int retval;
become_root();
retval = getgrouplist_internals(user, gid, groups, grpcnt);
unbecome_root();
- return retval;
#endif
+
+ /* allow winbindd lookups */
+ winbind_on();
+
+ return retval;
}