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Diffstat (limited to 'source3/libsmb/libsmb_cache.c')
-rw-r--r--source3/libsmb/libsmb_cache.c129
1 files changed, 59 insertions, 70 deletions
diff --git a/source3/libsmb/libsmb_cache.c b/source3/libsmb/libsmb_cache.c
index b98df024fa..bfacea368d 100644
--- a/source3/libsmb/libsmb_cache.c
+++ b/source3/libsmb/libsmb_cache.c
@@ -1,4 +1,3 @@
-
/*
Unix SMB/CIFS implementation.
SMB client library implementation (server cache)
@@ -22,11 +21,8 @@
*/
#include "includes.h"
-
-#include "include/libsmbclient.h"
-#include "../include/libsmb_internal.h"
-
-int smbc_default_cache_functions(SMBCCTX * context);
+#include "libsmbclient.h"
+#include "libsmb_internal.h"
/*
* Structure we use if internal caching mechanism is used
@@ -38,66 +34,70 @@ struct smbc_server_cache {
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 * newsrv,
- const char * server, const char * share,
- const char * workgroup, const char * username)
+int
+SMBC_add_cached_server(SMBCCTX * context,
+ SMBCSRV * newsrv,
+ const char * server,
+ const char * share,
+ const char * workgroup,
+ const char * username)
{
struct smbc_server_cache * srvcache = NULL;
-
+
if (!(srvcache = SMB_MALLOC_P(struct smbc_server_cache))) {
errno = ENOMEM;
DEBUG(3, ("Not enough space for server cache allocation\n"));
return 1;
}
-
+
ZERO_STRUCTP(srvcache);
-
+
srvcache->server = newsrv;
-
+
srvcache->server_name = SMB_STRDUP(server);
if (!srvcache->server_name) {
errno = ENOMEM;
goto failed;
}
-
+
srvcache->share_name = SMB_STRDUP(share);
if (!srvcache->share_name) {
errno = ENOMEM;
goto failed;
}
-
+
srvcache->workgroup = SMB_STRDUP(workgroup);
if (!srvcache->workgroup) {
errno = ENOMEM;
goto failed;
}
-
+
srvcache->username = SMB_STRDUP(username);
if (!srvcache->username) {
errno = ENOMEM;
goto failed;
}
-
- DLIST_ADD((context->server_cache), srvcache);
+
+ DLIST_ADD(context->internal->server_cache, srvcache);
return 0;
-
- failed:
+
+failed:
SAFE_FREE(srvcache->server_name);
SAFE_FREE(srvcache->share_name);
SAFE_FREE(srvcache->workgroup);
SAFE_FREE(srvcache->username);
SAFE_FREE(srvcache);
-
+
return 1;
}
@@ -108,23 +108,27 @@ static int smbc_add_cached_server(SMBCCTX * context, SMBCSRV * newsrv,
* returns server handle on success, NULL on error (not found)
* This function is only used if the external cache is not enabled
*/
-static SMBCSRV * smbc_get_cached_server(SMBCCTX * context, const char * server,
- const char * share, const char * workgroup, const char * user)
+SMBCSRV *
+SMBC_get_cached_server(SMBCCTX * context,
+ const char * server,
+ const char * share,
+ const char * workgroup,
+ const 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) {
-
+ for (srv = context->internal->server_cache; srv; srv = srv->next) {
+
if (strcmp(server,srv->server_name) == 0 &&
strcmp(workgroup,srv->workgroup) == 0 &&
strcmp(user, srv->username) == 0) {
-
+
/* If the share name matches, we're cool */
if (strcmp(share, srv->share_name) == 0) {
return srv->server;
}
-
+
/*
* We only return an empty share name or the attribute
* server on an exact match (which would have been
@@ -132,7 +136,7 @@ static SMBCSRV * smbc_get_cached_server(SMBCCTX * context, const char * server,
*/
if (*share == '\0' || strcmp(share, "*IPC$") == 0)
continue;
-
+
/*
* Never return an empty share name or the attribute
* server if it wasn't what was requested.
@@ -140,13 +144,13 @@ static SMBCSRV * smbc_get_cached_server(SMBCCTX * context, const char * server,
if (*srv->share_name == '\0' ||
strcmp(srv->share_name, "*IPC$") == 0)
continue;
-
+
/*
* If we're only allowing one share per server, then
* a connection to the server (other than the
* attribute server connection) is cool.
*/
- if (context->options.one_share_per_server) {
+ if (smbc_getOptionOneSharePerServer(context)) {
/*
* The currently connected share name
* doesn't match the requested share, so
@@ -156,10 +160,10 @@ static SMBCSRV * smbc_get_cached_server(SMBCCTX * context, const char * server,
/* Sigh. Couldn't disconnect. */
cli_shutdown(srv->server->cli);
srv->server->cli = NULL;
- context->callbacks.remove_cached_srv_fn(context, srv->server);
+ smbc_getFunctionRemoveCachedServer(context)(context, srv->server);
continue;
}
-
+
/*
* Save the new share name. We've
* disconnected from the old share, and are
@@ -171,16 +175,16 @@ static SMBCSRV * smbc_get_cached_server(SMBCCTX * context, const char * server,
/* Out of memory. */
cli_shutdown(srv->server->cli);
srv->server->cli = NULL;
- context->callbacks.remove_cached_srv_fn(context, srv->server);
+ smbc_getFunctionRemoveCachedServer(context)(context, srv->server);
continue;
}
-
-
+
+
return srv->server;
}
}
}
-
+
return NULL;
}
@@ -190,15 +194,17 @@ static SMBCSRV * smbc_get_cached_server(SMBCCTX * context, const char * server,
* 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)
+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) {
+
+ for (srv = context->internal->server_cache; srv; srv = srv->next) {
if (server == srv->server) {
-
+
/* remove this sucker */
- DLIST_REMOVE(context->server_cache, srv);
+ DLIST_REMOVE(context->internal->server_cache, srv);
SAFE_FREE(srv->server_name);
SAFE_FREE(srv->share_name);
SAFE_FREE(srv->workgroup);
@@ -216,40 +222,23 @@ static int smbc_remove_cached_server(SMBCCTX * context, SMBCSRV * server)
* 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)
+int
+SMBC_purge_cached_servers(SMBCCTX * context)
{
struct smbc_server_cache * srv;
struct smbc_server_cache * next;
int could_not_purge_all = 0;
-
- for (srv = ((struct smbc_server_cache *) context->server_cache),
- next = (srv ? srv->next :NULL);
+
+ for (srv = context->internal->server_cache,
+ next = (srv ? srv->next :NULL);
srv;
- srv = next, next = (srv ? srv->next : NULL)) {
-
- if (smbc_remove_unused_server(context, srv->server)) {
+ srv = next,
+ next = (srv ? srv->next : NULL)) {
+
+ 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;
-}