*/
#include "includes.h"
+#include "system/filesys.h"
#include "winbindd.h"
#include "tdb_validate.h"
#include "../libcli/auth/libcli_auth.h"
#include "ads.h"
#include "nss_info.h"
#include "../libcli/security/security.h"
+#include "passdb/machine_sid.h"
+#include "util_tdb.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
-#define WINBINDD_CACHE_VERSION 2
+#define WINBINDD_CACHE_VER1 1 /* initial db version */
+#define WINBINDD_CACHE_VER2 2 /* second version with timeouts for NDR entries */
+
+#define WINBINDD_CACHE_VERSION WINBINDD_CACHE_VER2
#define WINBINDD_CACHE_VERSION_KEYSTR "WINBINDD_CACHE_VERSION"
extern struct winbindd_methods reconnect_methods;
static const char *non_centry_keys[] = {
"SEQNUM/",
- "DR/",
- "DE/",
"WINBINDD_OFFLINE",
WINBINDD_CACHE_VERSION_KEYSTR,
NULL
}
if (strequal(domain->name, get_global_sam_name()) &&
- sid_check_is_domain(&domain->sid)) {
+ sid_check_is_our_sam(&domain->sid)) {
domain->backend = &sam_passdb_methods;
domain->initialized = True;
}
if (!centry_check_bytes(centry, 2)) {
smb_panic_fn("centry_uint16");
}
- ret = CVAL(centry->data, centry->ofs);
+ ret = SVAL(centry->data, centry->ofs);
centry->ofs += 2;
return ret;
}
smb_panic_fn("centry_string");
}
- ret = TALLOC_ARRAY(mem_ctx, char, len+1);
+ ret = talloc_array(mem_ctx, char, len+1);
if (!ret) {
smb_panic_fn("centry_string out of memory\n");
}
return NULL;
}
- ret = TALLOC_ARRAY(mem_ctx, char, 16);
+ ret = talloc_array(mem_ctx, char, 16);
if (!ret) {
smb_panic_fn("centry_hash out of memory\n");
}
ret = tdb_store_bystring(wcache->tdb, key_str,
make_tdb_data(buf, sizeof(buf)), TDB_REPLACE);
TALLOC_FREE(key_str);
- if (ret == -1) {
+ if (ret != 0) {
DEBUG(10, ("tdb_store_bystring failed: %s\n",
- tdb_errorstr(wcache->tdb)));
+ tdb_errorstr_compat(wcache->tdb)));
TALLOC_FREE(key_str);
return false;
}
TDB_DATA key;
key = string_tdb_data(kstr);
- data = tdb_fetch(wcache->tdb, key);
+ data = tdb_fetch_compat(wcache->tdb, key);
if (!data.dptr) {
/* a cache miss */
return NULL;
static bool is_my_own_sam_domain(struct winbindd_domain *domain)
{
if (strequal(domain->name, get_global_sam_name()) &&
- sid_check_is_domain(&domain->sid)) {
+ sid_check_is_our_sam(&domain->sid)) {
return true;
}
static void centry_put_uint16(struct cache_entry *centry, uint16 v)
{
centry_expand(centry, 2);
- SIVAL(centry->data, centry->ofs, v);
+ SSVAL(centry->data, centry->ofs, v);
centry->ofs += 2;
}
centry_put_uint32(centry, type);
centry_put_sid(centry, sid);
fstrcpy(uname, name);
- strupper_m(uname);
+ (void)strupper_m(uname);
centry_end(centry, "NS/%s/%s", domain_name, uname);
DEBUG(10,("wcache_save_name_to_sid: %s\\%s -> %s (%s)\n", domain_name,
uname, sid_string_dbg(sid), nt_errstr(status)));
}
centry_end(centry, "SN/%s", sid_to_fstring(sid_string, sid));
- DEBUG(10,("wcache_save_sid_to_name: %s -> %s (%s)\n", sid_string,
- name, nt_errstr(status)));
+ DEBUG(10,("wcache_save_sid_to_name: %s -> %s\\%s (%s)\n", sid_string,
+ domain_name, name, nt_errstr(status)));
centry_free(centry);
}
centry_put_string( centry, alias );
fstrcpy(uname, name);
- strupper_m(uname);
+ (void)strupper_m(uname);
centry_end(centry, "NSS/NA/%s", uname);
DEBUG(10,("wcache_save_username_alias: %s -> %s\n", name, alias ));
centry_put_string( centry, name );
fstrcpy(uname, alias);
- strupper_m(uname);
+ (void)strupper_m(uname);
centry_end(centry, "NSS/AN/%s", uname);
DEBUG(10,("wcache_save_alias_username: %s -> %s\n", alias, name ));
if ( (upper_name = SMB_STRDUP(name)) == NULL )
return NT_STATUS_NO_MEMORY;
- strupper_m(upper_name);
+ if (!strupper_m(upper_name)) {
+ SAFE_FREE(upper_name);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
centry = wcache_fetch(cache, domain, "NSS/NA/%s", upper_name);
if ( (upper_name = SMB_STRDUP(alias)) == NULL )
return NT_STATUS_NO_MEMORY;
- strupper_m(upper_name);
+ if (!strupper_m(upper_name)) {
+ SAFE_FREE(upper_name);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
centry = wcache_fetch(cache, domain, "NSS/AN/%s", upper_name);
fstr_sprintf(key_str, "CRED/%s", sid_to_fstring(tmp, sid));
- data = tdb_fetch(cache->tdb, string_tdb_data(key_str));
+ data = tdb_fetch_compat(cache->tdb, string_tdb_data(key_str));
if (!data.dptr) {
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
NTSTATUS status;
- time_t t;
uint32 rid;
fstring tmp;
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
- t = centry_time(centry);
+ /*
+ * We don't use the time element at this moment,
+ * but we have to consume it, so that we don't
+ * neet to change the disk format of the cache.
+ */
+ (void)centry_time(centry);
/* In the salted case this isn't actually the nt_hash itself,
but the MD5 of the salt + nt_hash. Let the caller
if (*num_entries == 0)
goto do_cached;
- (*info) = TALLOC_ARRAY(mem_ctx, struct wbint_userinfo, *num_entries);
+ (*info) = talloc_array(mem_ctx, struct wbint_userinfo, *num_entries);
if (! (*info)) {
smb_panic_fn("query_user_list out of memory");
}
static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *num_entries,
- struct acct_info **info)
+ struct wb_acct_info **info)
{
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
if (*num_entries == 0)
goto do_cached;
- (*info) = TALLOC_ARRAY(mem_ctx, struct acct_info, *num_entries);
+ (*info) = talloc_array(mem_ctx, struct wb_acct_info, *num_entries);
if (! (*info)) {
smb_panic_fn("enum_dom_groups out of memory");
}
static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *num_entries,
- struct acct_info **info)
+ struct wb_acct_info **info)
{
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
if (*num_entries == 0)
goto do_cached;
- (*info) = TALLOC_ARRAY(mem_ctx, struct acct_info, *num_entries);
+ (*info) = talloc_array(mem_ctx, struct wb_acct_info, *num_entries);
if (! (*info)) {
smb_panic_fn("enum_dom_groups out of memory");
}
/* Only save the reverse mapping if this was not a UPN */
if (!strchr(name, '@')) {
- strupper_m(CONST_DISCARD(char *,domain_name));
- strlower_m(CONST_DISCARD(char *,name));
+ if (!strupper_m(discard_const_p(char, domain_name))) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ (void)strlower_m(discard_const_p(char, name));
wcache_save_sid_to_name(domain, status, sid, domain_name, name, *type);
}
}
return NT_STATUS_OK;
}
- *names = TALLOC_ARRAY(mem_ctx, char *, num_rids);
- *types = TALLOC_ARRAY(mem_ctx, enum lsa_SidType, num_rids);
+ *names = talloc_array(mem_ctx, char *, num_rids);
+ *types = talloc_array(mem_ctx, enum lsa_SidType, num_rids);
if ((*names == NULL) || (*types == NULL)) {
result = NT_STATUS_NO_MEMORY;
(*names)[i] = centry_string(centry, *names);
- } else if (NT_STATUS_EQUAL(centry->status, NT_STATUS_NONE_MAPPED)) {
+ } else if (NT_STATUS_EQUAL(centry->status, NT_STATUS_NONE_MAPPED)
+ || NT_STATUS_EQUAL(centry->status, STATUS_SOME_UNMAPPED)) {
have_unmapped = true;
} else {
}
do_fetch_cache:
- trusts->array = TALLOC_ZERO_ARRAY(mem_ctx, struct netr_DomainTrust, num_domains);
+ trusts->array = talloc_zero_array(mem_ctx, struct netr_DomainTrust, num_domains);
if (!trusts->array) {
TALLOC_FREE(dom_list);
return NT_STATUS_NO_MEMORY;
return true;
/* when working offline we must not clear the cache on restart */
- wcache->tdb = tdb_open_log(cache_path("winbindd_cache.tdb"),
+ wcache->tdb = tdb_open_log(state_path("winbindd_cache.tdb"),
WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE,
TDB_INCOMPATIBLE_HASH |
(lp_winbind_offline_logon() ? TDB_DEFAULT : (TDB_DEFAULT | TDB_CLEAR_IF_FIRST)),
tdb_close(wcache->tdb);
wcache->tdb = NULL;
- if (unlink(cache_path("winbindd_cache.tdb")) == -1) {
+ if (unlink(state_path("winbindd_cache.tdb")) == -1) {
DEBUG(0,("initialize_winbindd_cache: unlink %s failed %s ",
- cache_path("winbindd_cache.tdb"),
+ state_path("winbindd_cache.tdb"),
strerror(errno) ));
return false;
}
/* Write the version. */
if (!tdb_store_uint32(wcache->tdb, WINBINDD_CACHE_VERSION_KEYSTR, WINBINDD_CACHE_VERSION)) {
DEBUG(0,("initialize_winbindd_cache: version number store failed %s\n",
- tdb_errorstr(wcache->tdb) ));
+ tdb_errorstr_compat(wcache->tdb) ));
return false;
}
}
}
/* when working offline we must not clear the cache on restart */
- wcache->tdb = tdb_open_log(cache_path("winbindd_cache.tdb"),
+ wcache->tdb = tdb_open_log(state_path("winbindd_cache.tdb"),
WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE,
TDB_INCOMPATIBLE_HASH |
(lp_winbind_offline_logon() ? TDB_DEFAULT : (TDB_DEFAULT | TDB_CLEAR_IF_FIRST)),
ret = tdb_traverse(cache->tdb, traverse_fn_get_credlist, NULL);
if (ret == 0) {
return NT_STATUS_OK;
- } else if ((ret == -1) || (wcache_cred_list == NULL)) {
+ } else if ((ret < 0) || (wcache_cred_list == NULL)) {
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
TDB_DATA data;
time_t t;
- data = tdb_fetch(cache->tdb, string_tdb_data(cred->name));
+ data = tdb_fetch_compat(cache->tdb, string_tdb_data(cred->name));
if (!data.dptr) {
DEBUG(10,("wcache_remove_oldest_cached_creds: entry for [%s] not found\n",
cred->name));
exit(47);
}
+static int wbcache_update_centry_fn(TDB_CONTEXT *tdb,
+ TDB_DATA key,
+ TDB_DATA data,
+ void *state)
+{
+ uint64_t ctimeout;
+ TDB_DATA blob;
+
+ if (is_non_centry_key(key)) {
+ return 0;
+ }
+
+ if (data.dptr == NULL || data.dsize == 0) {
+ if (tdb_delete(tdb, key) < 0) {
+ DEBUG(0, ("tdb_delete for [%s] failed!\n",
+ key.dptr));
+ return 1;
+ }
+ }
+
+ /* add timeout to blob (uint64_t) */
+ blob.dsize = data.dsize + 8;
+
+ blob.dptr = SMB_XMALLOC_ARRAY(uint8_t, blob.dsize);
+ if (blob.dptr == NULL) {
+ return 1;
+ }
+ memset(blob.dptr, 0, blob.dsize);
+
+ /* copy status and seqnum */
+ memcpy(blob.dptr, data.dptr, 8);
+
+ /* add timeout */
+ ctimeout = lp_winbind_cache_time() + time(NULL);
+ SBVAL(blob.dptr, 8, ctimeout);
+
+ /* copy the rest */
+ memcpy(blob.dptr + 16, data.dptr + 8, data.dsize - 8);
+
+ if (tdb_store(tdb, key, blob, TDB_REPLACE) < 0) {
+ DEBUG(0, ("tdb_store to update [%s] failed!\n",
+ key.dptr));
+ SAFE_FREE(blob.dptr);
+ return 1;
+ }
+
+ SAFE_FREE(blob.dptr);
+ return 0;
+}
+
+static bool wbcache_upgrade_v1_to_v2(TDB_CONTEXT *tdb)
+{
+ int rc;
+
+ DEBUG(1, ("Upgrade to version 2 of the winbindd_cache.tdb\n"));
+
+ rc = tdb_traverse(tdb, wbcache_update_centry_fn, NULL);
+ if (rc < 0) {
+ return false;
+ }
+
+ return true;
+}
+
/***********************************************************************
Try and validate every entry in the winbindd cache. If we fail here,
delete the cache tdb and return non-zero.
int winbindd_validate_cache(void)
{
int ret = -1;
- const char *tdb_path = cache_path("winbindd_cache.tdb");
+ const char *tdb_path = state_path("winbindd_cache.tdb");
TDB_CONTEXT *tdb = NULL;
+ uint32_t vers_id;
+ bool ok;
DEBUG(10, ("winbindd_validate_cache: replacing panic function\n"));
smb_panic_fn = validate_panic;
-
tdb = tdb_open_log(tdb_path,
WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE,
TDB_INCOMPATIBLE_HASH |
"error opening/initializing tdb\n"));
goto done;
}
+
+ /* Version check and upgrade code. */
+ if (!tdb_fetch_uint32(tdb, WINBINDD_CACHE_VERSION_KEYSTR, &vers_id)) {
+ DEBUG(10, ("Fresh database\n"));
+ tdb_store_uint32(tdb, WINBINDD_CACHE_VERSION_KEYSTR, WINBINDD_CACHE_VERSION);
+ vers_id = WINBINDD_CACHE_VERSION;
+ }
+
+ if (vers_id != WINBINDD_CACHE_VERSION) {
+ if (vers_id == WINBINDD_CACHE_VER1) {
+ ok = wbcache_upgrade_v1_to_v2(tdb);
+ if (!ok) {
+ DEBUG(10, ("winbindd_validate_cache: upgrade to version 2 failed.\n"));
+ unlink(tdb_path);
+ goto done;
+ }
+
+ tdb_store_uint32(tdb,
+ WINBINDD_CACHE_VERSION_KEYSTR,
+ WINBINDD_CACHE_VERSION);
+ vers_id = WINBINDD_CACHE_VER2;
+ }
+ }
+
tdb_close(tdb);
ret = tdb_validate_and_backup(tdb_path, cache_traverse_validate_fn);
int winbindd_validate_cache_nobackup(void)
{
int ret = -1;
- const char *tdb_path = cache_path("winbindd_cache.tdb");
+ const char *tdb_path = state_path("winbindd_cache.tdb");
DEBUG(10, ("winbindd_validate_cache: replacing panic function\n"));
smb_panic_fn = validate_panic;
if ( !set_only ) {
if ( !*domains ) {
- list = TALLOC_ARRAY( NULL, struct winbindd_tdc_domain, 1 );
+ list = talloc_array( NULL, struct winbindd_tdc_domain, 1 );
idx = 0;
} else {
- list = TALLOC_REALLOC_ARRAY( *domains, *domains,
+ list = talloc_realloc( *domains, *domains,
struct winbindd_tdc_domain,
(*num_domains)+1);
idx = *num_domains;
return 0;
}
- list = TALLOC_ARRAY( NULL, struct winbindd_tdc_domain, num_domains );
+ list = talloc_array( NULL, struct winbindd_tdc_domain, num_domains );
if ( !list ) {
DEBUG(0,("unpack_tdc_domains: Failed to talloc() domain list!\n"));
return 0;
SAFE_FREE( data.dptr );
SAFE_FREE( key.dptr );
- return ( ret != -1 );
+ return ( ret == 0 );
}
/*********************************************************************
if ( !key.dptr )
return false;
- data = tdb_fetch( wcache->tdb, key );
+ data = tdb_fetch_compat( wcache->tdb, key );
SAFE_FREE( key.dptr );
DEBUG(10,("wcache_tdc_fetch_domain: Searching for domain %s\n", name));
if ( !init_wcache() ) {
- return false;
+ return NULL;
}
/* fetch the list */
DEBUG(10,("wcache_tdc_fetch_domain: Found domain %s\n",
name));
- d = TALLOC_P( ctx, struct winbindd_tdc_domain );
+ d = talloc( ctx, struct winbindd_tdc_domain );
if ( !d )
break;
sid_string_dbg(sid)));
if (!init_wcache()) {
- return false;
+ return NULL;
}
/* fetch the list */
wcache_tdc_fetch_list(&dom_list, &num_domains);
for (i = 0; i<num_domains; i++) {
- if (sid_equal(sid, &(dom_list[i].sid))) {
+ if (dom_sid_equal(sid, &(dom_list[i].sid))) {
DEBUG(10, ("wcache_tdc_fetch_domainbysid: "
"Found domain %s for SID %s\n",
dom_list[i].domain_name,
sid_string_dbg(sid)));
- d = TALLOC_P(ctx, struct winbindd_tdc_domain);
+ d = talloc(ctx, struct winbindd_tdc_domain);
if (!d)
break;
NTSTATUS nss_get_info_cached( struct winbindd_domain *domain,
const struct dom_sid *user_sid,
TALLOC_CTX *ctx,
- ADS_STRUCT *ads, LDAPMessage *msg,
const char **homedir, const char **shell,
const char **gecos, gid_t *p_gid)
{
do_query:
- nt_status = nss_get_info( domain->name, user_sid, ctx, ads, msg,
+ nt_status = nss_get_info( domain->name, user_sid, ctx,
homedir, shell, gecos, p_gid );
DEBUG(10, ("nss_get_info returned %s\n", nt_errstr(nt_status)));
if (!wcache_ndr_key(talloc_tos(), domain->name, opnum, req, &key)) {
return false;
}
- data = tdb_fetch(wcache->tdb, key);
+ data = tdb_fetch_compat(wcache->tdb, key);
TALLOC_FREE(key.dptr);
if (data.dptr == NULL) {
goto fail;
}
entry_timeout = BVAL(data.dptr, 4);
- if (entry_timeout > time(NULL)) {
+ if (time(NULL) > entry_timeout) {
DEBUG(10, ("Entry has timed out\n"));
goto fail;
}
git.samba.org / kai / samba.git / blobdiff