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r9588: remove netsamlogon_cache interface...everything seems to work fine. Will deal with any fallout from special environments using a non-cache solution

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(This used to be commit e1de6f238f)
This commit is contained in:
Gerald Carter
2005-08-24 16:19:07 +00:00
committed by Gerald (Jerry) Carter
parent 38d08ad68c
commit dab71bed4e
7 changed files with 2 additions and 350 deletions
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6
source3/Makefile.in
View File

@ -350,8 +350,6 @@ VFS_CATIA_OBJ = modules/vfs_catia.o
PLAINTEXT_AUTH_OBJ = auth/pampass.o auth/pass_check.o
SLCACHE_OBJ = libsmb/samlogon_cache.o
DCUTIL_OBJ = libsmb/namequery_dc.o libsmb/trustdom_cache.o libsmb/trusts_util.o
AUTH_BUILTIN_OBJ = auth/auth_builtin.o
@ -364,7 +362,7 @@ AUTH_WINBIND_OBJ = auth/auth_winbind.o
AUTH_OBJ = auth/auth.o @AUTH_STATIC@ auth/auth_util.o auth/auth_compat.o \
auth/auth_ntlmssp.o \
$(PLAINTEXT_AUTH_OBJ) $(SLCACHE_OBJ) $(DCUTIL_OBJ)
$(PLAINTEXT_AUTH_OBJ) $(DCUTIL_OBJ)
MANGLE_OBJ = smbd/mangle.o smbd/mangle_hash.o smbd/mangle_map.o smbd/mangle_hash2.o
@ -665,7 +663,7 @@ WINBINDD_OBJ = \
$(WINBINDD_OBJ1) $(PASSDB_OBJ) $(GROUPDB_OBJ) \
$(PARAM_OBJ) $(LIB_NONSMBD_OBJ) \
$(LIBSMB_OBJ) $(LIBMSRPC_OBJ) $(RPC_PARSE_OBJ) \
$(PROFILE_OBJ) $(SLCACHE_OBJ) $(SMBLDAP_OBJ) \
$(PROFILE_OBJ) $(SMBLDAP_OBJ) \
$(SECRETS_OBJ) $(LIBADS_OBJ) $(KRBCLIENT_OBJ) $(POPT_LIB_OBJ) \
$(DCUTIL_OBJ) $(IDMAP_OBJ) \
$(AFS_OBJ) $(AFS_SETTOKEN_OBJ)

1
source3/auth/auth_domain.c
View File

@ -205,7 +205,6 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx,
} else {
nt_status = make_server_info_info3(mem_ctx, user_info->internal_username.str,
user_info->smb_name.str, domain, server_info, &info3);
netsamlogon_cache_store( mem_ctx, user_info->smb_name.str, &info3 );
}
#if 0

247
source3/libsmb/samlogon_cache.c
View File

@ -1,247 +0,0 @@
/*
Unix SMB/CIFS implementation.
Net_sam_logon info3 helpers
Copyright (C) Alexander Bokovoy 2002.
Copyright (C) Andrew Bartlett 2002.
Copyright (C) Gerald Carter 2003.
Copyright (C) Tim Potter 2003.
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 NETSAMLOGON_TDB "netsamlogon_cache.tdb"
static TDB_CONTEXT *netsamlogon_tdb = NULL;
/***********************************************************************
open the tdb
***********************************************************************/
BOOL netsamlogon_cache_init(void)
{
if (!netsamlogon_tdb) {
netsamlogon_tdb = tdb_open_log(lock_path(NETSAMLOGON_TDB), 0,
TDB_DEFAULT, O_RDWR | O_CREAT, 0600);
}
return (netsamlogon_tdb != NULL);
}
/***********************************************************************
Shutdown samlogon_cache database
***********************************************************************/
BOOL netsamlogon_cache_shutdown(void)
{
if(netsamlogon_tdb)
return (tdb_close(netsamlogon_tdb) == 0);
return True;
}
/***********************************************************************
Clear cache getpwnam and getgroups entries from the winbindd cache
***********************************************************************/
void netsamlogon_clear_cached_user(TDB_CONTEXT *tdb, NET_USER_INFO_3 *user)
{
fstring domain;
TDB_DATA key;
BOOL got_tdb = False;
/* We may need to call this function from smbd which will not have
winbindd_cache.tdb open. Open the tdb if a NULL is passed. */
if (!tdb) {
tdb = tdb_open_log(lock_path("winbindd_cache.tdb"), 5000,
TDB_DEFAULT, O_RDWR, 0600);
if (!tdb) {
DEBUG(5, ("netsamlogon_clear_cached_user: failed to open cache\n"));
return;
}
got_tdb = True;
}
unistr2_to_ascii(domain, &user->uni_logon_dom, sizeof(domain) - 1);
/* Clear U/DOMAIN/RID cache entry */
asprintf(&key.dptr, "U/%s/%d", domain, user->user_rid);
key.dsize = strlen(key.dptr) - 1; /* keys are not NULL terminated */
DEBUG(10, ("netsamlogon_clear_cached_user: clearing %s\n", key.dptr));
tdb_delete(tdb, key);
SAFE_FREE(key.dptr);
/* Clear UG/DOMAIN/RID cache entry */
asprintf(&key.dptr, "UG/%s/%d", domain, user->user_rid);
key.dsize = strlen(key.dptr) - 1; /* keys are not NULL terminated */
DEBUG(10, ("netsamlogon_clear_cached_user: clearing %s\n", key.dptr));
tdb_delete(tdb, key);
SAFE_FREE(key.dptr);
if (got_tdb)
tdb_close(tdb);
}
/***********************************************************************
Store a NET_USER_INFO_3 structure in a tdb for later user
username should be in UTF-8 format
***********************************************************************/
BOOL netsamlogon_cache_store(TALLOC_CTX *mem_ctx, const char * username, NET_USER_INFO_3 *user)
{
TDB_DATA data;
fstring keystr;
prs_struct ps;
BOOL result = False;
DOM_SID user_sid;
time_t t = time(NULL);
if (!netsamlogon_cache_init()) {
DEBUG(0,("netsamlogon_cache_store: cannot open %s for write!\n", NETSAMLOGON_TDB));
return False;
}
sid_copy( &user_sid, &user->dom_sid.sid );
sid_append_rid( &user_sid, user->user_rid );
/* Prepare key as DOMAIN-SID/USER-RID string */
slprintf(keystr, sizeof(keystr), "%s", sid_string_static(&user_sid));
DEBUG(10,("netsamlogon_cache_store: SID [%s]\n", keystr));
/* only Samba fills in the username, not sure why NT doesn't */
/* so we fill it in since winbindd_getpwnam() makes use of it */
if ( !user->uni_user_name.buffer ) {
init_unistr2( &user->uni_user_name, username, UNI_STR_TERMINATE );
init_uni_hdr( &user->hdr_user_name, &user->uni_user_name );
}
/* Prepare data */
prs_init( &ps,MAX_PDU_FRAG_LEN , mem_ctx, MARSHALL);
if ( !prs_uint32( "timestamp", &ps, 0, (uint32*)&t ) )
return False;
if ( net_io_user_info3("", user, &ps, 0, 3) )
{
data.dsize = prs_offset( &ps );
data.dptr = prs_data_p( &ps );
if (tdb_store_bystring(netsamlogon_tdb, keystr, data, TDB_REPLACE) != -1)
result = True;
prs_mem_free( &ps );
}
return result;
}
/***********************************************************************
Retrieves a NET_USER_INFO_3 structure from a tdb. Caller must
free the user_info struct (malloc()'d memory)
***********************************************************************/
NET_USER_INFO_3* netsamlogon_cache_get( TALLOC_CTX *mem_ctx, const DOM_SID *user_sid)
{
NET_USER_INFO_3 *user = NULL;
TDB_DATA data, key;
prs_struct ps;
fstring keystr;
uint32 t;
if (!netsamlogon_cache_init()) {
DEBUG(0,("netsamlogon_cache_store: cannot open %s for write!\n", NETSAMLOGON_TDB));
return False;
}
/* Prepare key as DOMAIN-SID/USER-RID string */
slprintf(keystr, sizeof(keystr), "%s", sid_string_static(user_sid));
DEBUG(10,("netsamlogon_cache_get: SID [%s]\n", keystr));
key.dptr = keystr;
key.dsize = strlen(keystr)+1;
data = tdb_fetch( netsamlogon_tdb, key );
if ( data.dptr ) {
if ( (user = SMB_MALLOC_P(NET_USER_INFO_3)) == NULL )
return NULL;
prs_init( &ps, 0, mem_ctx, UNMARSHALL );
prs_give_memory( &ps, data.dptr, data.dsize, True );
if ( !prs_uint32( "timestamp", &ps, 0, &t ) ) {
prs_mem_free( &ps );
return False;
}
if ( !net_io_user_info3("", user, &ps, 0, 3) ) {
SAFE_FREE( user );
}
prs_mem_free( &ps );
#if 0 /* The netsamlogon cache needs to hang around. Something about
this feels wrong, but it is the only way we can get all of the
groups. The old universal groups cache didn't expire either.
--jerry */
{
time_t now = time(NULL);
uint32 time_diff;
/* is the entry expired? */
time_diff = now - t;
if ( (time_diff < 0 ) || (time_diff > lp_winbind_cache_time()) ) {
DEBUG(10,("netsamlogon_cache_get: cache entry expired \n"));
tdb_delete( netsamlogon_tdb, key );
SAFE_FREE( user );
}
#endif
}
return user;
}
BOOL netsamlogon_cache_have(const DOM_SID *user_sid)
{
TALLOC_CTX *mem_ctx = talloc_init("netsamlogon_cache_have");
NET_USER_INFO_3 *user = NULL;
BOOL result;
if (!mem_ctx)
return False;
user = netsamlogon_cache_get(mem_ctx, user_sid);
result = (user != NULL);
talloc_destroy(mem_ctx);
SAFE_FREE(user);
return result;
}

2
source3/nsswitch/winbindd.c
View File

@ -1020,8 +1020,6 @@ int main(int argc, char **argv)
poptFreeContext(pc);
netsamlogon_cache_init(); /* Non-critical */
init_domain_list();
init_idmap_child();

38
source3/nsswitch/winbindd_cache.c
View File

@ -1064,18 +1064,6 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
centry = wcache_fetch(cache, domain, "U/%s", sid_string_static(user_sid));
/* If we have an access denied cache entry and a cached info3 in the
samlogon cache then do a query. This will force the rpc back end
to return the info3 data. */
if (NT_STATUS_V(domain->last_status) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED) &&
netsamlogon_cache_have(user_sid)) {
DEBUG(10, ("query_user: cached access denied and have cached info3\n"));
domain->last_status = NT_STATUS_OK;
centry_free(centry);
goto do_query;
}
if (!centry)
goto do_query;
@ -1131,18 +1119,6 @@ static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
centry = wcache_fetch(cache, domain, "UG/%s", sid_to_string(sid_string, user_sid));
/* If we have an access denied cache entry and a cached info3 in the
samlogon cache then do a query. This will force the rpc back end
to return the info3 data. */
if (NT_STATUS_V(domain->last_status) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED) &&
netsamlogon_cache_have(user_sid)) {
DEBUG(10, ("query_user: cached access denied and have cached info3\n"));
domain->last_status = NT_STATUS_OK;
centry_free(centry);
goto do_query;
}
if (!centry)
goto do_query;
@ -1416,20 +1392,6 @@ static int traverse_fn(TDB_CONTEXT *the_tdb, TDB_DATA kbuf, TDB_DATA dbuf,
return 0;
}
/* Invalidate the getpwnam and getgroups entries for a winbindd domain */
void wcache_invalidate_samlogon(struct winbindd_domain *domain,
NET_USER_INFO_3 *info3)
{
struct winbind_cache *cache;
if (!domain)
return;
cache = get_cache(domain);
netsamlogon_clear_cached_user(cache->tdb, info3);
}
void wcache_invalidate_cache(void)
{
struct winbindd_domain *domain;

6
source3/nsswitch/winbindd_pam.c
View File

@ -413,9 +413,6 @@ enum winbindd_result winbindd_dual_pam_auth(struct winbindd_domain *domain,
}
if (NT_STATUS_IS_OK(result)) {
netsamlogon_cache_store(state->mem_ctx, name_user, &info3);
wcache_invalidate_samlogon(find_domain_from_name(name_domain), &info3);
/* Check if the user is in the right group */
if (!NT_STATUS_IS_OK(result = check_info3_in_group(state->mem_ctx, &info3, state->request.data.auth.require_membership_of_sid))) {
@ -721,9 +718,6 @@ enum winbindd_result winbindd_dual_pam_auth_crap(struct winbindd_domain *domain,
}
if (NT_STATUS_IS_OK(result)) {
netsamlogon_cache_store( state->mem_ctx, name_user, &info3 );
wcache_invalidate_samlogon(find_domain_from_name(name_domain), &info3);
if (!NT_STATUS_IS_OK(result = check_info3_in_group(state->mem_ctx, &info3, state->request.data.auth_crap.require_membership_of_sid))) {
DEBUG(3, ("User %s is not in the required group (%s), so plaintext authentication is rejected\n",
state->request.data.auth_crap.user,

52
source3/nsswitch/winbindd_rpc.c
View File

@ -329,7 +329,6 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
SAM_USERINFO_CTR *ctr;
fstring sid_string;
uint32 user_rid;
NET_USER_INFO_3 *user;
struct rpc_pipe_client *cli;
DEBUG(3,("rpc: query_user rid=%s\n",
@ -338,33 +337,6 @@ static NTSTATUS query_user(struct winbindd_domain *domain,
if (!sid_peek_check_rid(&domain->sid, user_sid, &user_rid))
return NT_STATUS_UNSUCCESSFUL;
/* try netsamlogon cache first */
if ( (user = netsamlogon_cache_get( mem_ctx, user_sid )) != NULL )
{
DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
sid_string_static(user_sid)));
sid_compose(&user_info->user_sid, &domain->sid, user_rid);
sid_compose(&user_info->group_sid, &domain->sid,
user->group_rid);
user_info->acct_name = unistr2_tdup(mem_ctx,
&user->uni_user_name);
user_info->full_name = unistr2_tdup(mem_ctx,
&user->uni_full_name);
user_info->homedir = NULL;
user_info->shell = NULL;
SAFE_FREE(user);
return NT_STATUS_OK;
}
/* no cache; hit the wire */
result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
if (!NT_STATUS_IS_OK(result))
return result;
@ -412,7 +384,6 @@ static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
unsigned int i;
fstring sid_string;
uint32 user_rid;
NET_USER_INFO_3 *user;
struct rpc_pipe_client *cli;
DEBUG(3,("rpc: lookup_usergroups sid=%s\n",
@ -423,29 +394,6 @@ static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
*num_groups = 0;
*user_grpsids = NULL;
/* so lets see if we have a cached user_info_3 */
if ( (user = netsamlogon_cache_get( mem_ctx, user_sid )) != NULL )
{
DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
sid_string_static(user_sid)));
*num_groups = user->num_groups;
(*user_grpsids) = TALLOC_ARRAY(mem_ctx, DOM_SID, *num_groups);
for (i=0;i<(*num_groups);i++) {
sid_copy(&((*user_grpsids)[i]), &domain->sid);
sid_append_rid(&((*user_grpsids)[i]),
user->gids[i].g_rid);
}
SAFE_FREE(user);
return NT_STATUS_OK;
}
/* no cache; hit the wire */
result = cm_connect_sam(domain, mem_ctx, &cli, &dom_pol);
if (!NT_STATUS_IS_OK(result))