diff options
Diffstat (limited to 'source3/nsswitch/winbindd_creds.c')
| -rw-r--r-- | source3/nsswitch/winbindd_creds.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/source3/nsswitch/winbindd_creds.c b/source3/nsswitch/winbindd_creds.c new file mode 100644 index 0000000000..d37e9019db --- /dev/null +++ b/source3/nsswitch/winbindd_creds.c @@ -0,0 +1,162 @@ +/* + Unix SMB/CIFS implementation. + + Winbind daemon - cached credentials funcions + + Copyright (C) Guenther Deschner 2005 + + 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" +#include "winbindd.h" +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_WINBIND + +#define MAX_CACHED_LOGINS 10 + +NTSTATUS winbindd_get_creds(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + const DOM_SID *sid, + NET_USER_INFO_3 **info3, + const uint8 *cached_nt_pass[NT_HASH_LEN]) +{ + NET_USER_INFO_3 *info; + NTSTATUS status; + + status = wcache_get_creds(domain, mem_ctx, sid, cached_nt_pass); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + info = netsamlogon_cache_get(mem_ctx, sid); + if (info == NULL) { + return NT_STATUS_OBJECT_NAME_NOT_FOUND; + } + + *info3 = info; + + return NT_STATUS_OK; +} + + +NTSTATUS winbindd_store_creds(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + const char *user, + const char *pass, + NET_USER_INFO_3 *info3, + const DOM_SID *user_sid) +{ + NTSTATUS status; + uchar nt_pass[NT_HASH_LEN]; + DOM_SID cred_sid; + + if (info3 != NULL) { + + DOM_SID sid; + sid_copy(&sid, &(info3->dom_sid.sid)); + sid_append_rid(&sid, info3->user_rid); + sid_copy(&cred_sid, &sid); + info3->user_flgs |= LOGON_CACHED_ACCOUNT; + + } else if (user_sid != NULL) { + + sid_copy(&cred_sid, user_sid); + + } else if (user != NULL) { + + /* do lookup ourself */ + + enum SID_NAME_USE type; + + if (!lookup_cached_name(mem_ctx, + domain->name, + user, + &cred_sid, + &type)) { + return NT_STATUS_NO_SUCH_USER; + } + } else { + return NT_STATUS_INVALID_PARAMETER; + } + + if (pass) { + + int count = 0; + + status = wcache_count_cached_creds(domain, &count); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + DEBUG(11,("we have %d cached creds\n", count)); + + if (count + 1 > MAX_CACHED_LOGINS) { + + DEBUG(10,("need to delete the oldest cached login\n")); + + status = wcache_remove_oldest_cached_creds(domain, &cred_sid); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10,("failed to remove oldest cached cred: %s\n", + nt_errstr(status))); + return status; + } + } + + E_md4hash(pass, nt_pass); + + dump_data(100, (const char *)nt_pass, NT_HASH_LEN); + + status = wcache_save_creds(domain, mem_ctx, &cred_sid, nt_pass); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + } + + if (info3 != NULL && user != NULL) { + if (!netsamlogon_cache_store(user, info3)) { + return NT_STATUS_ACCESS_DENIED; + } + } + + return NT_STATUS_OK; +} + +NTSTATUS winbindd_update_creds_by_info3(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + const char *user, + const char *pass, + NET_USER_INFO_3 *info3) +{ + return winbindd_store_creds(domain, mem_ctx, user, pass, info3, NULL); +} + +NTSTATUS winbindd_update_creds_by_sid(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + const DOM_SID *sid, + const char *pass) +{ + return winbindd_store_creds(domain, mem_ctx, NULL, pass, NULL, sid); +} + +NTSTATUS winbindd_update_creds_by_name(struct winbindd_domain *domain, + TALLOC_CTX *mem_ctx, + const char *user, + const char *pass) +{ + return winbindd_store_creds(domain, mem_ctx, user, pass, NULL, NULL); +} + + |