From 35657ac39e27d6b8268430015c2750a3c8c1ce1e Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vlendec@samba.org>
Date: Fri, 17 Dec 2004 10:20:53 +0000
Subject: r4254: Add an undocumented hack. I had to delete a wrong mapping (a
 user that had ended up as a gid in winbindd_idmap.tdb) from
 winbindd_idmap.tdb. Stopping winbind was not an option on that machine....

net idmap delete <idmap-file> <SID>

Thanks,

Volker
(This used to be commit 27c16733c13bb1c91d356f1c9f5c1f069e24cca2)
---
 source3/utils/net_idmap.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

(limited to 'source3/utils/net_idmap.c')

diff --git a/source3/utils/net_idmap.c b/source3/utils/net_idmap.c
index b4f4cdb0a8..f7ebd94f34 100644
--- a/source3/utils/net_idmap.c
+++ b/source3/utils/net_idmap.c
@@ -235,6 +235,57 @@ static int net_idmap_restore(int argc, const char **argv)
 	return NT_STATUS_IS_OK(net_idmap_fixup_hwm()) ? 0 : -1;
 }
 
+/***********************************************************
+ Delete a SID mapping from a winbindd_idmap.tdb
+ **********************************************************/
+static int net_idmap_delete(int argc, const char **argv)
+{
+	TDB_CONTEXT *idmap_tdb;
+	TDB_DATA key, data;
+	fstring sid;
+
+	if (argc != 2)
+		return net_help_idmap(argc, argv);
+
+	idmap_tdb = tdb_open_log(argv[0], 0, TDB_DEFAULT, O_RDWR, 0);
+
+	if (idmap_tdb == NULL) {
+		d_printf("Could not open idmap: %s\n", argv[0]);
+		return -1;
+	}
+
+	fstrcpy(sid, argv[1]);
+
+	if (strncmp(sid, "S-1-5-", strlen("S-1-5-")) != 0) {
+		d_printf("Can only delete SIDs, %s is does not start with "
+			 "S-1-5-\n", sid);
+		return -1;
+	}
+
+	key.dptr = sid;
+	key.dsize = strlen(key.dptr)+1;
+
+	data = tdb_fetch(idmap_tdb, key);
+
+	if (data.dptr == NULL) {
+		d_printf("Could not find sid %s\n", argv[1]);
+		return -1;
+	}
+
+	if (tdb_delete(idmap_tdb, key) != 0) {
+		d_printf("Could not delete key %s\n", argv[1]);
+		return -1;
+	}
+
+	if (tdb_delete(idmap_tdb, data) != 0) {
+		d_printf("Could not delete key %s\n", data.dptr);
+		return -1;
+	}
+
+	return 0;
+}
+
+
 int net_help_idmap(int argc, const char **argv)
 {
 	d_printf("net idmap dump filename"\
@@ -243,6 +294,8 @@ int net_help_idmap(int argc, const char **argv)
 	d_printf("net idmap restore"\
 		 "\n  Restore entries from stdin to current local idmap\n");
 
+	/* Deliberately *not* document net idmap delete */
+
 	return -1;
 }
 
@@ -254,6 +307,7 @@ int net_idmap(int argc, const char **argv)
 	struct functable func[] = {
 		{"dump", net_idmap_dump},
 		{"restore", net_idmap_restore},
+		{"delete", net_idmap_delete},
 		{"help", net_help_idmap},
 		{NULL, NULL}
 	};
-- 
cgit