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-rw-r--r--source3/rpc_server/srv_samr_nt.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/source3/rpc_server/srv_samr_nt.c b/source3/rpc_server/srv_samr_nt.c
index 0f7f6fc9df..fc29df3976 100644
--- a/source3/rpc_server/srv_samr_nt.c
+++ b/source3/rpc_server/srv_samr_nt.c
@@ -3512,6 +3512,7 @@ NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_AD
DOM_SID group_sid;
DOM_SID user_sid;
fstring group_sid_str;
+ uid_t uid;
struct passwd *pwd;
struct group *grp;
fstring grp_name;
@@ -3553,7 +3554,19 @@ NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_AD
pdb_free_sam(&sam_user);
return NT_STATUS_NO_SUCH_USER;
}
-
+
+ /* check a real user exist before we run the script to add a user to a group */
+ if (NT_STATUS_IS_ERR(sid_to_uid(pdb_get_user_sid(sam_user), &uid))) {
+ pdb_free_sam(&sam_user);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ pdb_free_sam(&sam_user);
+
+ if ((pwd=getpwuid_alloc(uid)) == NULL) {
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
if ((grp=getgrgid(map.gid)) == NULL) {
passwd_free(&pwd);
return NT_STATUS_NO_SUCH_GROUP;