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path: root/source3/nsswitch/winbindd_cache.c
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Diffstat (limited to 'source3/nsswitch/winbindd_cache.c')
-rw-r--r--source3/nsswitch/winbindd_cache.c159
1 files changed, 93 insertions, 66 deletions
diff --git a/source3/nsswitch/winbindd_cache.c b/source3/nsswitch/winbindd_cache.c
index 6ba1d48f5a..5fb59e7467 100644
--- a/source3/nsswitch/winbindd_cache.c
+++ b/source3/nsswitch/winbindd_cache.c
@@ -192,6 +192,23 @@ static char *centry_string(struct cache_entry *centry, TALLOC_CTX *mem_ctx)
return ret;
}
+/* pull a string from a cache entry, using the supplied
+ talloc context
+*/
+static DOM_SID *centry_sid(struct cache_entry *centry, TALLOC_CTX *mem_ctx)
+{
+ DOM_SID *sid;
+ char *sid_string;
+ sid = talloc(mem_ctx, sizeof(*sid));
+ if (!sid) return NULL;
+
+ sid_string = centry_string(centry, mem_ctx);
+ if (!string_to_sid(sid, sid_string)) {
+ return NULL;
+ }
+ return sid;
+}
+
/* the server is considered down if it can't give us a sequence number */
static BOOL wcache_server_down(struct winbindd_domain *domain)
{
@@ -260,6 +277,9 @@ static BOOL centry_expired(struct winbindd_domain *domain, struct cache_entry *c
*/
static struct cache_entry *wcache_fetch(struct winbind_cache *cache,
struct winbindd_domain *domain,
+ const char *format, ...) PRINTF_ATTRIBUTE(3,4);
+static struct cache_entry *wcache_fetch(struct winbind_cache *cache,
+ struct winbindd_domain *domain,
const char *format, ...)
{
va_list ap;
@@ -370,6 +390,13 @@ static void centry_put_string(struct cache_entry *centry, const char *s)
centry->ofs += len;
}
+static void centry_put_sid(struct cache_entry *centry, const DOM_SID *sid)
+{
+ int len;
+ fstring sid_string;
+ centry_put_string(centry, sid_to_string(sid_string, sid));
+}
+
/*
start a centry for output. When finished, call centry_end()
*/
@@ -393,6 +420,7 @@ struct cache_entry *centry_start(struct winbindd_domain *domain, NTSTATUS status
/*
finish a centry and write it to the tdb
*/
+static void centry_end(struct cache_entry *centry, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
static void centry_end(struct cache_entry *centry, const char *format, ...)
{
va_list ap;
@@ -412,39 +440,30 @@ static void centry_end(struct cache_entry *centry, const char *format, ...)
free(kstr);
}
-/* form a sid from the domain plus rid */
-static DOM_SID *form_sid(struct winbindd_domain *domain, uint32 rid)
-{
- static DOM_SID sid;
- sid_copy(&sid, &domain->sid);
- sid_append_rid(&sid, rid);
- return &sid;
-}
-
-static void wcache_save_name_to_sid(struct winbindd_domain *domain, NTSTATUS status,
- const char *name, DOM_SID *sid, enum SID_NAME_USE type)
+static void wcache_save_name_to_sid(struct winbindd_domain *domain,
+ NTSTATUS status,
+ const char *name, DOM_SID *sid,
+ enum SID_NAME_USE type)
{
struct cache_entry *centry;
uint32 len;
fstring uname;
+ fstring sid_string;
centry = centry_start(domain, status);
if (!centry) return;
- len = sid_size(sid);
- centry_expand(centry, len);
- centry_put_uint32(centry, type);
- sid_linearize(centry->data + centry->ofs, len, sid);
- centry->ofs += len;
+ centry_put_sid(centry, sid);
fstrcpy(uname, name);
strupper(uname);
- centry_end(centry, "NS/%s/%s", domain->name, uname);
+ centry_end(centry, "NS/%s", sid_to_string(sid_string, sid));
centry_free(centry);
}
static void wcache_save_sid_to_name(struct winbindd_domain *domain, NTSTATUS status,
- DOM_SID *sid, const char *name, enum SID_NAME_USE type, uint32 rid)
+ DOM_SID *sid, const char *name, enum SID_NAME_USE type)
{
struct cache_entry *centry;
+ fstring sid_string;
centry = centry_start(domain, status);
if (!centry) return;
@@ -452,7 +471,7 @@ static void wcache_save_sid_to_name(struct winbindd_domain *domain, NTSTATUS sta
centry_put_uint32(centry, type);
centry_put_string(centry, name);
}
- centry_end(centry, "SN/%s/%d", domain->name, rid);
+ centry_end(centry, "SN/%s", sid_to_string(sid_string, sid));
centry_free(centry);
}
@@ -460,14 +479,15 @@ static void wcache_save_sid_to_name(struct winbindd_domain *domain, NTSTATUS sta
static void wcache_save_user(struct winbindd_domain *domain, NTSTATUS status, WINBIND_USERINFO *info)
{
struct cache_entry *centry;
+ fstring sid_string;
centry = centry_start(domain, status);
if (!centry) return;
centry_put_string(centry, info->acct_name);
centry_put_string(centry, info->full_name);
- centry_put_uint32(centry, info->user_rid);
- centry_put_uint32(centry, info->group_rid);
- centry_end(centry, "U/%s/%d", domain->name, info->user_rid);
+ centry_put_sid(centry, info->user_sid);
+ centry_put_sid(centry, info->group_sid);
+ centry_end(centry, "U/%s", sid_to_string(sid_string, info->user_sid));
centry_free(centry);
}
@@ -481,7 +501,7 @@ static NTSTATUS query_user_list(struct winbindd_domain *domain,
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
NTSTATUS status;
- int i;
+ unsigned int i;
if (!cache->tdb) goto do_query;
@@ -497,8 +517,8 @@ static NTSTATUS query_user_list(struct winbindd_domain *domain,
for (i=0; i<(*num_entries); i++) {
(*info)[i].acct_name = centry_string(centry, mem_ctx);
(*info)[i].full_name = centry_string(centry, mem_ctx);
- (*info)[i].user_rid = centry_uint32(centry);
- (*info)[i].group_rid = centry_uint32(centry);
+ (*info)[i].user_sid = centry_sid(centry, mem_ctx);
+ (*info)[i].group_sid = centry_sid(centry, mem_ctx);
}
do_cached:
@@ -524,18 +544,18 @@ do_query:
for (i=0; i<(*num_entries); i++) {
centry_put_string(centry, (*info)[i].acct_name);
centry_put_string(centry, (*info)[i].full_name);
- centry_put_uint32(centry, (*info)[i].user_rid);
- centry_put_uint32(centry, (*info)[i].group_rid);
+ centry_put_sid(centry, (*info)[i].user_sid);
+ centry_put_sid(centry, (*info)[i].group_sid);
if (cache->backend->consistent) {
/* when the backend is consistent we can pre-prime some mappings */
wcache_save_name_to_sid(domain, NT_STATUS_OK,
(*info)[i].acct_name,
- form_sid(domain, (*info)[i].user_rid),
+ (*info)[i].user_sid,
SID_NAME_USER);
wcache_save_sid_to_name(domain, NT_STATUS_OK,
- form_sid(domain, (*info)[i].user_rid),
+ (*info)[i].user_sid,
(*info)[i].acct_name,
- SID_NAME_USER, (*info)[i].user_rid);
+ SID_NAME_USER);
wcache_save_user(domain, NT_STATUS_OK, &(*info)[i]);
}
}
@@ -555,7 +575,7 @@ static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
NTSTATUS status;
- int i;
+ unsigned int i;
if (!cache->tdb) goto do_query;
@@ -615,7 +635,7 @@ static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
NTSTATUS status;
- int i;
+ unsigned int i;
if (!cache->tdb) goto do_query;
@@ -669,7 +689,7 @@ do_query:
centry_put_string(centry, (*info)[i].acct_name);
centry_put_string(centry, (*info)[i].acct_desc);
centry_put_uint32(centry, (*info)[i].rid);
- }
+ }
centry_end(centry, "GL/%s/local", domain->name);
centry_free(centry);
@@ -679,6 +699,7 @@ skip_save:
/* convert a single name to a sid in a domain */
static NTSTATUS name_to_sid(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
const char *name,
DOM_SID *sid,
enum SID_NAME_USE *type)
@@ -687,6 +708,7 @@ static NTSTATUS name_to_sid(struct winbindd_domain *domain,
struct cache_entry *centry = NULL;
NTSTATUS status;
fstring uname;
+ DOM_SID *sid2;
if (!cache->tdb) goto do_query;
@@ -695,7 +717,12 @@ static NTSTATUS name_to_sid(struct winbindd_domain *domain,
centry = wcache_fetch(cache, domain, "NS/%s/%s", domain->name, uname);
if (!centry) goto do_query;
*type = centry_uint32(centry);
- sid_parse(centry->data + centry->ofs, centry->len - centry->ofs, sid);
+ sid2 = centry_sid(centry, mem_ctx);
+ if (!sid2) {
+ ZERO_STRUCTP(sid);
+ } else {
+ sid_copy(sid, sid2);
+ }
status = centry->status;
centry_free(centry);
@@ -707,7 +734,7 @@ do_query:
if (wcache_server_down(domain)) {
return NT_STATUS_SERVER_DISABLED;
}
- status = cache->backend->name_to_sid(domain, name, sid, type);
+ status = cache->backend->name_to_sid(domain, mem_ctx, name, sid, type);
/* and save it */
wcache_save_name_to_sid(domain, status, name, sid, *type);
@@ -729,14 +756,11 @@ static NTSTATUS sid_to_name(struct winbindd_domain *domain,
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
NTSTATUS status;
- uint32 rid = 0;
-
- if (!sid_peek_check_rid(&domain->sid, sid, &rid))
- return NT_STATUS_INVALID_PARAMETER;
+ fstring sid_string;
if (!cache->tdb) goto do_query;
- centry = wcache_fetch(cache, domain, "SN/%s/%d", domain->name, rid);
+ centry = wcache_fetch(cache, domain, "SN/%s", sid_to_string(sid_string, sid));
if (!centry) goto do_query;
if (NT_STATUS_IS_OK(centry->status)) {
*type = centry_uint32(centry);
@@ -756,7 +780,7 @@ do_query:
/* and save it */
refresh_sequence_number(domain, True);
- wcache_save_sid_to_name(domain, status, sid, *name, *type, rid);
+ wcache_save_sid_to_name(domain, status, sid, *name, *type);
wcache_save_name_to_sid(domain, status, *name, sid, *type);
return status;
@@ -766,22 +790,23 @@ do_query:
/* Lookup user information from a rid */
static NTSTATUS query_user(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
- uint32 user_rid,
+ DOM_SID *user_sid,
WINBIND_USERINFO *info)
{
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
NTSTATUS status;
+ fstring sid_string;
if (!cache->tdb) goto do_query;
- centry = wcache_fetch(cache, domain, "U/%s/%d", domain->name, user_rid);
+ centry = wcache_fetch(cache, domain, "U/%s", sid_to_string(sid_string, user_sid));
if (!centry) goto do_query;
info->acct_name = centry_string(centry, mem_ctx);
info->full_name = centry_string(centry, mem_ctx);
- info->user_rid = centry_uint32(centry);
- info->group_rid = centry_uint32(centry);
+ info->user_sid = centry_sid(centry, mem_ctx);
+ info->group_sid = centry_sid(centry, mem_ctx);
status = centry->status;
centry_free(centry);
return status;
@@ -793,7 +818,7 @@ do_query:
return NT_STATUS_SERVER_DISABLED;
}
- status = cache->backend->query_user(domain, mem_ctx, user_rid, info);
+ status = cache->backend->query_user(domain, mem_ctx, user_sid, info);
/* and save it */
refresh_sequence_number(domain, True);
@@ -806,17 +831,18 @@ do_query:
/* Lookup groups a user is a member of. */
static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
- uint32 user_rid,
- uint32 *num_groups, uint32 **user_gids)
+ DOM_SID *user_sid,
+ uint32 *num_groups, DOM_SID ***user_gids)
{
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
NTSTATUS status;
- int i;
+ unsigned int i;
+ fstring sid_string;
if (!cache->tdb) goto do_query;
- centry = wcache_fetch(cache, domain, "UG/%s/%d", domain->name, user_rid);
+ centry = wcache_fetch(cache, domain, "UG/%s", sid_to_string(sid_string, user_sid));
if (!centry) goto do_query;
*num_groups = centry_uint32(centry);
@@ -826,7 +852,7 @@ static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
(*user_gids) = talloc(mem_ctx, sizeof(**user_gids) * (*num_groups));
if (! (*user_gids)) smb_panic("lookup_usergroups out of memory");
for (i=0; i<(*num_groups); i++) {
- (*user_gids)[i] = centry_uint32(centry);
+ (*user_gids)[i] = centry_sid(centry, mem_ctx);
}
do_cached:
@@ -841,7 +867,7 @@ do_query:
if (wcache_server_down(domain)) {
return NT_STATUS_SERVER_DISABLED;
}
- status = cache->backend->lookup_usergroups(domain, mem_ctx, user_rid, num_groups, user_gids);
+ status = cache->backend->lookup_usergroups(domain, mem_ctx, user_sid, num_groups, user_gids);
/* and save it */
refresh_sequence_number(domain, True);
@@ -849,9 +875,9 @@ do_query:
if (!centry) goto skip_save;
centry_put_uint32(centry, *num_groups);
for (i=0; i<(*num_groups); i++) {
- centry_put_uint32(centry, (*user_gids)[i]);
+ centry_put_sid(centry, (*user_gids)[i]);
}
- centry_end(centry, "UG/%s/%d", domain->name, user_rid);
+ centry_end(centry, "UG/%s", sid_to_string(sid_string, user_sid));
centry_free(centry);
skip_save:
@@ -861,34 +887,35 @@ skip_save:
static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
- uint32 group_rid, uint32 *num_names,
- uint32 **rid_mem, char ***names,
+ DOM_SID *group_sid, uint32 *num_names,
+ DOM_SID ***sid_mem, char ***names,
uint32 **name_types)
{
struct winbind_cache *cache = get_cache(domain);
struct cache_entry *centry = NULL;
NTSTATUS status;
- int i;
+ unsigned int i;
+ fstring sid_string;
if (!cache->tdb) goto do_query;
- centry = wcache_fetch(cache, domain, "GM/%s/%d", domain->name, group_rid);
+ centry = wcache_fetch(cache, domain, "GM/%s", sid_to_string(sid_string, group_sid));
if (!centry) goto do_query;
*num_names = centry_uint32(centry);
if (*num_names == 0) goto do_cached;
- (*rid_mem) = talloc(mem_ctx, sizeof(**rid_mem) * (*num_names));
+ (*sid_mem) = talloc(mem_ctx, sizeof(**sid_mem) * (*num_names));
(*names) = talloc(mem_ctx, sizeof(**names) * (*num_names));
(*name_types) = talloc(mem_ctx, sizeof(**name_types) * (*num_names));
- if (! (*rid_mem) || ! (*names) || ! (*name_types)) {
+ if (! (*sid_mem) || ! (*names) || ! (*name_types)) {
smb_panic("lookup_groupmem out of memory");
}
for (i=0; i<(*num_names); i++) {
- (*rid_mem)[i] = centry_uint32(centry);
+ (*sid_mem)[i] = centry_sid(centry, mem_ctx);
(*names)[i] = centry_string(centry, mem_ctx);
(*name_types)[i] = centry_uint32(centry);
}
@@ -900,7 +927,7 @@ do_cached:
do_query:
(*num_names) = 0;
- (*rid_mem) = NULL;
+ (*sid_mem) = NULL;
(*names) = NULL;
(*name_types) = NULL;
@@ -908,8 +935,8 @@ do_query:
if (wcache_server_down(domain)) {
return NT_STATUS_SERVER_DISABLED;
}
- status = cache->backend->lookup_groupmem(domain, mem_ctx, group_rid, num_names,
- rid_mem, names, name_types);
+ status = cache->backend->lookup_groupmem(domain, mem_ctx, group_sid, num_names,
+ sid_mem, names, name_types);
/* and save it */
refresh_sequence_number(domain, True);
@@ -917,11 +944,11 @@ do_query:
if (!centry) goto skip_save;
centry_put_uint32(centry, *num_names);
for (i=0; i<(*num_names); i++) {
- centry_put_uint32(centry, (*rid_mem)[i]);
+ centry_put_sid(centry, (*sid_mem)[i]);
centry_put_string(centry, (*names)[i]);
centry_put_uint32(centry, (*name_types)[i]);
}
- centry_end(centry, "GM/%s/%d", domain->name, group_rid);
+ centry_end(centry, "GM/%s", sid_to_string(sid_string, group_sid));
centry_free(centry);
skip_save:
generated by cgit (git 2.34.1) at 2024-12-27 14:07:22 +0000