diff options
Diffstat (limited to 'source/libsmb/libsmb_cache.c')
| -rw-r--r-- | source/libsmb/libsmb_cache.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/source/libsmb/libsmb_cache.c b/source/libsmb/libsmb_cache.c deleted file mode 100644 index b1620042f38..00000000000 --- a/source/libsmb/libsmb_cache.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - Unix SMB/CIFS implementation. - SMB client library implementation (server cache) - Copyright (C) Andrew Tridgell 1998 - Copyright (C) Richard Sharpe 2000 - Copyright (C) John Terpstra 2000 - Copyright (C) Tom Jansen (Ninja ISD) 2002 - - 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 2 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, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" - -/* - * Define this to get the real SMBCFILE and SMBCSRV structures - */ -#define _SMBC_INTERNAL -#include "../include/libsmbclient.h" - -/* - * Structure we use if internal caching mechanism is used - * nothing fancy here. - */ -struct smbc_server_cache { - char *server_name; - char *share_name; - char *workgroup; - char *username; - SMBCSRV *server; - - struct smbc_server_cache *next, *prev; -}; - - - -/* - * Add a new connection to the server cache. - * This function is only used if the external cache is not enabled - */ -static int smbc_add_cached_server(SMBCCTX * context, SMBCSRV * new, - char * server, char * share, - char * workgroup, char * username) -{ - struct smbc_server_cache * srvcache = NULL; - - if (!(srvcache = malloc(sizeof(*srvcache)))) { - errno = ENOMEM; - DEBUG(3, ("Not enough space for server cache allocation\n")); - return 1; - } - - ZERO_STRUCTP(srvcache); - - srvcache->server = new; - - srvcache->server_name = strdup(server); - if (!srvcache->server_name) { - errno = ENOMEM; - goto failed; - } - - srvcache->share_name = strdup(share); - if (!srvcache->share_name) { - errno = ENOMEM; - goto failed; - } - - srvcache->workgroup = strdup(workgroup); - if (!srvcache->workgroup) { - errno = ENOMEM; - goto failed; - } - - srvcache->username = strdup(username); - if (!srvcache->username) { - errno = ENOMEM; - goto failed; - } - - DLIST_ADD((context->server_cache), srvcache); - return 0; - - failed: - SAFE_FREE(srvcache->server_name); - SAFE_FREE(srvcache->share_name); - SAFE_FREE(srvcache->workgroup); - SAFE_FREE(srvcache->username); - - return 1; -} - - - -/* - * Search the server cache for a server - * returns server_fd on success, -1 on error (not found) - * This function is only used if the external cache is not enabled - */ -static SMBCSRV * smbc_get_cached_server(SMBCCTX * context, char * server, - char * share, char * workgroup, char * user) -{ - struct smbc_server_cache * srv = NULL; - - /* Search the cache lines */ - for (srv=((struct smbc_server_cache *)context->server_cache);srv;srv=srv->next) { - if (strcmp(server,srv->server_name) == 0 && - strcmp(share,srv->share_name) == 0 && - strcmp(workgroup,srv->workgroup) == 0 && - strcmp(user, srv->username) == 0) - return srv->server; - } - - return NULL; -} - - -/* - * Search the server cache for a server and remove it - * returns 0 on success - * This function is only used if the external cache is not enabled - */ -static int smbc_remove_cached_server(SMBCCTX * context, SMBCSRV * server) -{ - struct smbc_server_cache * srv = NULL; - - for (srv=((struct smbc_server_cache *)context->server_cache);srv;srv=srv->next) { - if (server == srv->server) { - - /* remove this sucker */ - DLIST_REMOVE(context->server_cache, srv); - SAFE_FREE(srv->server_name); - SAFE_FREE(srv->share_name); - SAFE_FREE(srv->workgroup); - SAFE_FREE(srv->username); - SAFE_FREE(srv); - return 0; - } - } - /* server not found */ - return 1; -} - - -/* - * Try to remove all the servers in cache - * returns 1 on failure and 0 if all servers could be removed. - */ -static int smbc_purge_cached(SMBCCTX * context) -{ - struct smbc_server_cache * srv = NULL; - int could_not_purge_all = 0; - - for (srv=((struct smbc_server_cache *) context->server_cache);srv;srv=srv->next) { - if (smbc_remove_unused_server(context, srv->server)) { - /* could not be removed */ - could_not_purge_all = 1; - } - } - return could_not_purge_all; -} - - - -/* - * This functions initializes all server-cache related functions - * to the default (internal) system. - * - * We use this to make the rest of the cache system static. - */ - -int smbc_default_cache_functions(SMBCCTX * context) -{ - context->callbacks.add_cached_srv_fn = smbc_add_cached_server; - context->callbacks.get_cached_srv_fn = smbc_get_cached_server; - context->callbacks.remove_cached_srv_fn = smbc_remove_cached_server; - context->callbacks.purge_cached_fn = smbc_purge_cached; - - return 0; -} |