diff options
Diffstat (limited to 'source3/smbd/msg_idmap.c')
| -rw-r--r-- | source3/smbd/msg_idmap.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/source3/smbd/msg_idmap.c b/source3/smbd/msg_idmap.c deleted file mode 100644 index 757cac0e3f..0000000000 --- a/source3/smbd/msg_idmap.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Samba Unix/Linux SMB client library - * - * Copyright (C) Gregor Beck 2011 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "includes.h" -#include "smbd/globals.h" -#include "smbd/smbd.h" -#include "../libcli/security/dom_sid.h" -#include "../libcli/security/security_token.h" -#include "idmap_cache.h" -#include "passdb/lookup_sid.h" -#include "auth.h" -#include "messages.h" -#include "lib/id_cache.h" - -static bool uid_in_use(const struct user_struct *user, uid_t uid) -{ - while (user) { - if (user->session_info && - (user->session_info->unix_token->uid == uid)) { - return true; - } - user = user->next; - } - return false; -} - -static bool gid_in_use(const struct user_struct *user, gid_t gid) -{ - while (user) { - if (user->session_info != NULL) { - int i; - struct security_unix_token *utok; - - utok = user->session_info->unix_token; - if (utok->gid == gid) { - return true; - } - for(i=0; i<utok->ngroups; i++) { - if (utok->groups[i] == gid) { - return true; - } - } - } - user = user->next; - } - return false; -} - -static bool sid_in_use(const struct user_struct *user, - const struct dom_sid *psid) -{ - while (user) { - struct security_token *tok; - - if (user->session_info == NULL) { - continue; - } - tok = user->session_info->security_token; - if (tok == NULL) { - /* - * Not sure session_info->security_token can - * ever be NULL. This check might be not - * necessary. - */ - continue; - } - if (security_token_has_sid(tok, psid)) { - return true; - } - user = user->next; - } - return false; -} - -static bool id_in_use(const struct user_struct *user, - const struct id_cache_ref *id) -{ - switch(id->type) { - case UID: - return uid_in_use(user, id->id.uid); - case GID: - return gid_in_use(user, id->id.gid); - case SID: - return sid_in_use(user, &id->id.sid); - default: - break; - } - return false; -} - -static void id_cache_kill(struct messaging_context *msg_ctx, - void *private_data, - uint32_t msg_type, - struct server_id server_id, - DATA_BLOB* data) -{ - const char *msg = (data && data->data) - ? (const char *)data->data : "<NULL>"; - struct smbd_server_connection *sconn; - struct user_struct *validated_users; - struct id_cache_ref id; - - sconn = msg_ctx_to_sconn(msg_ctx); - if (sconn == NULL) { - DEBUG(1, ("could not find sconn\n")); - return; - } - - validated_users = sconn->smb1.sessions.validated_users; - - if (!id_cache_ref_parse(msg, &id)) { - DEBUG(0, ("Invalid ?ID: %s\n", msg)); - return; - } - - if (am_parent) { - messaging_send_to_children(msg_ctx, msg_type, data); - } - - if (id_in_use(validated_users, &id)) { - exit_server_cleanly(msg); - } - id_cache_delete_from_cache(&id); -} - -static void id_cache_flush(struct messaging_context *ctx, - void* data, - uint32_t msg_type, - struct server_id srv_id, - DATA_BLOB* msg_data) -{ - id_cache_flush_message(ctx, data, msg_type, srv_id, msg_data); - - if (am_parent) { - messaging_send_to_children(ctx, msg_type, msg_data); - } -} - -static void id_cache_delete(struct messaging_context *ctx, - void* data, - uint32_t msg_type, - struct server_id srv_id, - DATA_BLOB* msg_data) -{ - id_cache_delete_message(ctx, data, msg_type, srv_id, msg_data); - - if (am_parent) { - messaging_send_to_children(ctx, msg_type, msg_data); - } -} - - -void msg_idmap_register_msg(struct messaging_context *ctx) -{ - messaging_register(ctx, NULL, ID_CACHE_FLUSH, id_cache_flush); - messaging_register(ctx, NULL, ID_CACHE_DELETE, id_cache_delete); - messaging_register(ctx, NULL, ID_CACHE_KILL, id_cache_kill); -} |