diff options
Diffstat (limited to 'source/smbwrapper/smbw_cache.c')
| -rw-r--r-- | source/smbwrapper/smbw_cache.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/source/smbwrapper/smbw_cache.c b/source/smbwrapper/smbw_cache.c deleted file mode 100644 index fcb0eda8050..00000000000 --- a/source/smbwrapper/smbw_cache.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - Unix SMB/CIFS implementation. - SMB wrapper directory functions - Copyright (C) Tim Potter 2000 - - 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" - -/* We cache lists of workgroups, lists of servers in workgroups, and lists - of shares exported by servers. */ - -#define CACHE_TIMEOUT 30 - -struct name_list { - struct name_list *prev, *next; - char *name; - uint32 stype; - char *comment; -}; - -struct cached_names { - struct cached_names *prev, *next; - char *key; - struct name_list *name_list; - time_t cache_timeout; - int result; -}; - -static struct cached_names *cached_names = NULL; - -/* Find a list of cached name for a workgroup, server or share list */ - -static struct cached_names *find_cached_names(char *key) -{ - struct cached_names *tmp; - - for (tmp = cached_names; tmp; tmp = tmp->next) { - if (strequal(tmp->key, key)) { - return tmp; - } - } - - return NULL; -} - -/* Add a name to a list stored in the state variable */ - -static void add_cached_names(const char *name, uint32 stype, - const char *comment, void *state) -{ - struct name_list **name_list = (struct name_list **)state; - struct name_list *new_name; - - new_name = (struct name_list *)malloc(sizeof(struct name_list)); - if (!new_name) return; - - ZERO_STRUCTP(new_name); - - new_name->name = strdup(name); - new_name->stype = stype; - new_name->comment = strdup(comment); - - DLIST_ADD(*name_list, new_name); -} - -static void free_name_list(struct name_list *name_list) -{ - struct name_list *tmp = name_list; - - while(tmp) { - struct name_list *next; - - next = tmp->next; - - SAFE_FREE(tmp->name); - SAFE_FREE(tmp->comment); - SAFE_FREE(tmp); - - tmp = next; - } -} - -/* Wrapper for NetServerEnum function */ - -BOOL smbw_NetServerEnum(struct cli_state *cli, char *workgroup, uint32 stype, - void (*fn)(const char *, uint32, const char *, void *), - void *state) -{ - struct cached_names *names; - struct name_list *tmp; - time_t now = time(NULL); - char key[PATH_MAX]; - BOOL result = True; - - slprintf(key, PATH_MAX - 1, "%s/%s#%s", cli->desthost, - workgroup, (stype == SV_TYPE_DOMAIN_ENUM ? "DOM" : "SRV")); - - names = find_cached_names(key); - - if (names == NULL || (now - names->cache_timeout) > CACHE_TIMEOUT) { - struct cached_names *new_names = NULL; - - /* No names cached for this workgroup */ - - if (names == NULL) { - new_names = (struct cached_names *) - malloc(sizeof(struct cached_names)); - - ZERO_STRUCTP(new_names); - DLIST_ADD(cached_names, new_names); - - } else { - - /* Dispose of out of date name list */ - - free_name_list(names->name_list); - names->name_list = NULL; - - new_names = names; - } - - result = cli_NetServerEnum(cli, workgroup, stype, - add_cached_names, - &new_names->name_list); - - new_names->cache_timeout = now; - new_names->result = result; - new_names->key = strdup(key); - - names = new_names; - } - - /* Return names by running callback function. */ - - for (tmp = names->name_list; tmp; tmp = tmp->next) - fn(tmp->name, stype, tmp->comment, state); - - return names->result; -} - -/* Wrapper for RNetShareEnum function */ - -int smbw_RNetShareEnum(struct cli_state *cli, - void (*fn)(const char *, uint32, const char *, void *), - void *state) -{ - struct cached_names *names; - struct name_list *tmp; - time_t now = time(NULL); - char key[PATH_MAX]; - - slprintf(key, PATH_MAX - 1, "SHARE/%s", cli->desthost); - - names = find_cached_names(key); - - if (names == NULL || (now - names->cache_timeout) > CACHE_TIMEOUT) { - struct cached_names *new_names = NULL; - - /* No names cached for this server */ - - if (names == NULL) { - new_names = (struct cached_names *) - malloc(sizeof(struct cached_names)); - - ZERO_STRUCTP(new_names); - DLIST_ADD(cached_names, new_names); - - } else { - - /* Dispose of out of date name list */ - - free_name_list(names->name_list); - names->name_list = NULL; - - new_names = names; - } - - new_names->result = cli_RNetShareEnum(cli, add_cached_names, - &new_names->name_list); - - new_names->cache_timeout = now; - new_names->key = strdup(key); - - names = new_names; - } - - /* Return names by running callback function. */ - - for (tmp = names->name_list; tmp; tmp = tmp->next) - fn(tmp->name, tmp->stype, tmp->comment, state); - - return names->result; -} |