diff options
Diffstat (limited to 'source/nsswitch/winbindd_cache.c')
| -rw-r--r-- | source/nsswitch/winbindd_cache.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/source/nsswitch/winbindd_cache.c b/source/nsswitch/winbindd_cache.c index ba274ec8e70..460ce934cb7 100644 --- a/source/nsswitch/winbindd_cache.c +++ b/source/nsswitch/winbindd_cache.c @@ -5,6 +5,7 @@ Copyright (C) Andrew Tridgell 2001 Copyright (C) Gerald Carter 2003 + Copyright (C) Volker Lendecke 2005 This program is free software; you can redistribute it and/or modify @@ -1202,6 +1203,90 @@ skip_save: return status; } +static NTSTATUS lookup_useraliases(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + uint32 num_sids, DOM_SID **sids, + uint32 *num_aliases, uint32 **alias_rids) +{ + struct winbind_cache *cache = get_cache(domain); + struct cache_entry *centry = NULL; + NTSTATUS status; + char *sidlist = talloc_strdup(mem_ctx, ""); + int i; + + if (!cache->tdb) + goto do_query; + + if (num_sids == 0) { + *num_aliases = 0; + *alias_rids = NULL; + return NT_STATUS_OK; + } + + /* We need to cache indexed by the whole list of SIDs, the aliases + * resulting might come from any of the SIDs. */ + + for (i=0; i<num_sids; i++) { + sidlist = talloc_asprintf(mem_ctx, "%s/%s", sidlist, + sid_string_static(sids[i])); + if (sidlist == NULL) + return NT_STATUS_NO_MEMORY; + } + + centry = wcache_fetch(cache, domain, "UA%s", sidlist); + + if (!centry) + goto do_query; + + *num_aliases = centry_uint32(centry); + *alias_rids = NULL; + + (*alias_rids) = TALLOC_ARRAY(mem_ctx, uint32, *num_aliases); + + if (!(*alias_rids)) + return NT_STATUS_NO_MEMORY; + + for (i=0; i<(*num_aliases); i++) + (*alias_rids)[i] = centry_uint32(centry); + + status = centry->status; + + DEBUG(10,("lookup_useraliases: [Cached] - cached info for domain %s " + "status %s\n", domain->name, + get_friendly_nt_error_msg(status))); + + centry_free(centry); + return status; + + do_query: + (*num_aliases) = 0; + (*alias_rids) = NULL; + + if (!NT_STATUS_IS_OK(domain->last_status)) + return domain->last_status; + + DEBUG(10,("lookup_usergroups: [Cached] - doing backend query for info " + "for domain %s\n", domain->name )); + + status = domain->backend->lookup_useraliases(domain, mem_ctx, + num_sids, sids, + num_aliases, alias_rids); + + /* and save it */ + refresh_sequence_number(domain, False); + centry = centry_start(domain, status); + if (!centry) + goto skip_save; + centry_put_uint32(centry, *num_aliases); + for (i=0; i<(*num_aliases); i++) + centry_put_uint32(centry, (*alias_rids)[i]); + centry_end(centry, "UA%s", sidlist); + centry_free(centry); + + skip_save: + return status; +} + static NTSTATUS lookup_groupmem(struct winbindd_domain *domain, TALLOC_CTX *mem_ctx, @@ -1387,6 +1472,7 @@ struct winbindd_methods cache_methods = { sid_to_name, query_user, lookup_usergroups, + lookup_useraliases, lookup_groupmem, sequence_number, trusted_domains, |