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authorJelmer Vernooij <jelmer@samba.org>2007-11-26 02:25:20 +0100
committerStefan Metzmacher <metze@samba.org>2007-12-21 05:46:14 +0100
commit4340fc2d9e9f84368818e774b0817b100eb57232 (patch)
treef0fb4f0433b74a4f55beeb0c24a8ee7c2f0bbbc3 /source4/auth
parentf5ceca42593642f739157f2cca0e7e2bb34a3de4 (diff)
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r26127: Move session code out of auth_util.c. No longer making it part of auth but making it usable independently will be the next step.
(This used to be commit b3fcb8e8103304fede865b02ca5169d5793a571d)
Diffstat (limited to 'source4/auth')
-rw-r--r--source4/auth/auth.h9
-rw-r--r--source4/auth/auth_util.c444
-rw-r--r--source4/auth/config.mk9
-rw-r--r--source4/auth/session.c328
-rw-r--r--source4/auth/session.h33
-rw-r--r--source4/auth/system_session.c183
6 files changed, 556 insertions, 450 deletions
diff --git a/source4/auth/auth.h b/source4/auth/auth.h
index be8221d79e..4e9f7b939f 100644
--- a/source4/auth/auth.h
+++ b/source4/auth/auth.h
@@ -116,13 +116,6 @@ struct auth_serversupplied_info
bool authenticated;
};
-struct auth_session_info {
- struct security_token *security_token;
- struct auth_serversupplied_info *server_info;
- DATA_BLOB session_key;
- struct cli_credentials *credentials;
-};
-
struct auth_method_context;
struct auth_check_password_request;
@@ -191,6 +184,8 @@ struct auth_critical_sizes {
const struct auth_usersupplied_info *user_info_in,
const struct auth_usersupplied_info **user_info_encrypted);
+#include "auth/session.h"
+#include "auth/system_session_proto.h"
#include "auth/auth_proto.h"
#endif /* _SMBAUTH_H_ */
diff --git a/source4/auth/auth_util.c b/source4/auth/auth_util.c
index 60ba043479..91f0e5163c 100644
--- a/source4/auth/auth_util.c
+++ b/source4/auth/auth_util.c
@@ -98,7 +98,7 @@ NTSTATUS map_user_info(TALLOC_CTX *mem_ctx,
Create an auth_usersupplied_data structure after appropriate mapping.
****************************************************************************/
- NTSTATUS encrypt_user_info(TALLOC_CTX *mem_ctx, struct auth_context *auth_context,
+NTSTATUS encrypt_user_info(TALLOC_CTX *mem_ctx, struct auth_context *auth_context,
enum auth_password_state to_state,
const struct auth_usersupplied_info *user_info_in,
const struct auth_usersupplied_info **user_info_encrypted)
@@ -228,448 +228,6 @@ NTSTATUS map_user_info(TALLOC_CTX *mem_ctx,
return NT_STATUS_OK;
}
-/***************************************************************************
- Make a server_info struct from the info3 returned by a domain logon
-***************************************************************************/
-NTSTATUS make_server_info_netlogon_validation(TALLOC_CTX *mem_ctx,
- const char *account_name,
- uint16_t validation_level,
- union netr_Validation *validation,
- struct auth_serversupplied_info **_server_info)
-{
- struct auth_serversupplied_info *server_info;
- struct netr_SamBaseInfo *base = NULL;
- int i;
-
- switch (validation_level) {
- case 2:
- if (!validation || !validation->sam2) {
- return NT_STATUS_INVALID_PARAMETER;
- }
- base = &validation->sam2->base;
- break;
- case 3:
- if (!validation || !validation->sam3) {
- return NT_STATUS_INVALID_PARAMETER;
- }
- base = &validation->sam3->base;
- break;
- case 6:
- if (!validation || !validation->sam6) {
- return NT_STATUS_INVALID_PARAMETER;
- }
- base = &validation->sam6->base;
- break;
- default:
- return NT_STATUS_INVALID_LEVEL;
- }
-
- server_info = talloc(mem_ctx, struct auth_serversupplied_info);
- NT_STATUS_HAVE_NO_MEMORY(server_info);
-
- /*
- Here is where we should check the list of
- trusted domains, and verify that the SID
- matches.
- */
- server_info->account_sid = dom_sid_add_rid(server_info, base->domain_sid, base->rid);
- NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
-
-
- server_info->primary_group_sid = dom_sid_add_rid(server_info, base->domain_sid, base->primary_gid);
- NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
-
- server_info->n_domain_groups = base->groups.count;
- if (base->groups.count) {
- server_info->domain_groups = talloc_array(server_info, struct dom_sid*, base->groups.count);
- NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups);
- } else {
- server_info->domain_groups = NULL;
- }
-
- for (i = 0; i < base->groups.count; i++) {
- server_info->domain_groups[i] = dom_sid_add_rid(server_info, base->domain_sid, base->groups.rids[i].rid);
- NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups[i]);
- }
-
- /* Copy 'other' sids. We need to do sid filtering here to
- prevent possible elevation of privileges. See:
-
- http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
- */
-
- if (validation_level == 3) {
- struct dom_sid **dgrps = server_info->domain_groups;
- size_t sidcount = server_info->n_domain_groups + validation->sam3->sidcount;
- size_t n_dgrps = server_info->n_domain_groups;
-
- if (validation->sam3->sidcount > 0) {
- dgrps = talloc_realloc(server_info, dgrps, struct dom_sid*, sidcount);
- NT_STATUS_HAVE_NO_MEMORY(dgrps);
-
- for (i = 0; i < validation->sam3->sidcount; i++) {
- dgrps[n_dgrps + i] = talloc_reference(dgrps, validation->sam3->sids[i].sid);
- }
- }
-
- server_info->n_domain_groups = sidcount;
- server_info->domain_groups = dgrps;
-
- /* Where are the 'global' sids?... */
- }
-
- if (base->account_name.string) {
- server_info->account_name = talloc_reference(server_info, base->account_name.string);
- } else {
- server_info->account_name = talloc_strdup(server_info, account_name);
- NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
- }
-
- server_info->domain_name = talloc_reference(server_info, base->domain.string);
- server_info->full_name = talloc_reference(server_info, base->full_name.string);
- server_info->logon_script = talloc_reference(server_info, base->logon_script.string);
- server_info->profile_path = talloc_reference(server_info, base->profile_path.string);
- server_info->home_directory = talloc_reference(server_info, base->home_directory.string);
- server_info->home_drive = talloc_reference(server_info, base->home_drive.string);
- server_info->logon_server = talloc_reference(server_info, base->logon_server.string);
- server_info->last_logon = base->last_logon;
- server_info->last_logoff = base->last_logoff;
- server_info->acct_expiry = base->acct_expiry;
- server_info->last_password_change = base->last_password_change;
- server_info->allow_password_change = base->allow_password_change;
- server_info->force_password_change = base->force_password_change;
- server_info->logon_count = base->logon_count;
- server_info->bad_password_count = base->bad_password_count;
- server_info->acct_flags = base->acct_flags;
-
- server_info->authenticated = true;
-
- /* ensure we are never given NULL session keys */
-
- if (all_zero(base->key.key, sizeof(base->key.key))) {
- server_info->user_session_key = data_blob(NULL, 0);
- } else {
- server_info->user_session_key = data_blob_talloc(server_info, base->key.key, sizeof(base->key.key));
- NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
- }
-
- if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
- server_info->lm_session_key = data_blob(NULL, 0);
- } else {
- server_info->lm_session_key = data_blob_talloc(server_info, base->LMSessKey.key, sizeof(base->LMSessKey.key));
- NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
- }
-
- *_server_info = server_info;
- return NT_STATUS_OK;
-}
-
-
-NTSTATUS auth_anonymous_server_info(TALLOC_CTX *mem_ctx, struct auth_serversupplied_info **_server_info)
-{
- struct auth_serversupplied_info *server_info;
- server_info = talloc(mem_ctx, struct auth_serversupplied_info);
- NT_STATUS_HAVE_NO_MEMORY(server_info);
-
- server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_ANONYMOUS);
- NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
-
- /* is this correct? */
- server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_GUESTS);
- NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
-
- server_info->n_domain_groups = 0;
- server_info->domain_groups = NULL;
-
- /* annoying, but the Anonymous really does have a session key,
- and it is all zeros! */
- server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
- NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
-
- server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
- NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
-
- data_blob_clear(&server_info->user_session_key);
- data_blob_clear(&server_info->lm_session_key);
-
- server_info->account_name = talloc_strdup(server_info, "ANONYMOUS LOGON");
- NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
-
- server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
- NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
-
- server_info->full_name = talloc_strdup(server_info, "Anonymous Logon");
- NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
-
- server_info->logon_script = talloc_strdup(server_info, "");
- NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
-
- server_info->profile_path = talloc_strdup(server_info, "");
- NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
-
- server_info->home_directory = talloc_strdup(server_info, "");
- NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
-
- server_info->home_drive = talloc_strdup(server_info, "");
- NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
-
- server_info->logon_server = talloc_strdup(server_info, lp_netbios_name(global_loadparm));
- NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
-
- server_info->last_logon = 0;
- server_info->last_logoff = 0;
- server_info->acct_expiry = 0;
- server_info->last_password_change = 0;
- server_info->allow_password_change = 0;
- server_info->force_password_change = 0;
-
- server_info->logon_count = 0;
- server_info->bad_password_count = 0;
-
- server_info->acct_flags = ACB_NORMAL;
-
- server_info->authenticated = false;
-
- *_server_info = server_info;
-
- return NT_STATUS_OK;
-}
-
-NTSTATUS auth_system_server_info(TALLOC_CTX *mem_ctx, struct auth_serversupplied_info **_server_info)
-{
- struct auth_serversupplied_info *server_info;
- server_info = talloc(mem_ctx, struct auth_serversupplied_info);
- NT_STATUS_HAVE_NO_MEMORY(server_info);
-
- server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_SYSTEM);
- NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
-
- /* is this correct? */
- server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_ADMINISTRATORS);
- NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
-
- server_info->n_domain_groups = 0;
- server_info->domain_groups = NULL;
-
- /* annoying, but the Anonymous really does have a session key,
- and it is all zeros! */
- server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
- NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
-
- server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
- NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
-
- data_blob_clear(&server_info->user_session_key);
- data_blob_clear(&server_info->lm_session_key);
-
- server_info->account_name = talloc_strdup(server_info, "SYSTEM");
- NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
-
- server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
- NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
-
- server_info->full_name = talloc_strdup(server_info, "System");
- NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
-
- server_info->logon_script = talloc_strdup(server_info, "");
- NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
-
- server_info->profile_path = talloc_strdup(server_info, "");
- NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
-
- server_info->home_directory = talloc_strdup(server_info, "");
- NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
-
- server_info->home_drive = talloc_strdup(server_info, "");
- NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
-
- server_info->logon_server = talloc_strdup(server_info, lp_netbios_name(global_loadparm));
- NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
-
- server_info->last_logon = 0;
- server_info->last_logoff = 0;
- server_info->acct_expiry = 0;
- server_info->last_password_change = 0;
- server_info->allow_password_change = 0;
- server_info->force_password_change = 0;
-
- server_info->logon_count = 0;
- server_info->bad_password_count = 0;
-
- server_info->acct_flags = ACB_NORMAL;
-
- server_info->authenticated = true;
-
- *_server_info = server_info;
-
- return NT_STATUS_OK;
-}
-
-NTSTATUS auth_generate_session_info(TALLOC_CTX *mem_ctx,
- struct auth_serversupplied_info *server_info,
- struct auth_session_info **_session_info)
-{
- struct auth_session_info *session_info;
- NTSTATUS nt_status;
-
- session_info = talloc(mem_ctx, struct auth_session_info);
- NT_STATUS_HAVE_NO_MEMORY(session_info);
-
- session_info->server_info = talloc_reference(session_info, server_info);
-
- /* unless set otherwise, the session key is the user session
- * key from the auth subsystem */
- session_info->session_key = server_info->user_session_key;
-
- nt_status = security_token_create(session_info,
- server_info->account_sid,
- server_info->primary_group_sid,
- server_info->n_domain_groups,
- server_info->domain_groups,
- server_info->authenticated,
- &session_info->security_token);
- NT_STATUS_NOT_OK_RETURN(nt_status);
-
- session_info->credentials = NULL;
-
- *_session_info = session_info;
- return NT_STATUS_OK;
-}
-
-NTSTATUS auth_anonymous_session_info(TALLOC_CTX *parent_ctx,
- struct auth_session_info **_session_info)
-{
- NTSTATUS nt_status;
- struct auth_serversupplied_info *server_info = NULL;
- struct auth_session_info *session_info = NULL;
- TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
-
- nt_status = auth_anonymous_server_info(mem_ctx,
- &server_info);
- if (!NT_STATUS_IS_OK(nt_status)) {
- talloc_free(mem_ctx);
- return nt_status;
- }
-
- /* references the server_info into the session_info */
- nt_status = auth_generate_session_info(parent_ctx, server_info, &session_info);
- talloc_free(mem_ctx);
-
- NT_STATUS_NOT_OK_RETURN(nt_status);
-
- session_info->credentials = cli_credentials_init(session_info);
- if (!session_info->credentials) {
- return NT_STATUS_NO_MEMORY;
- }
-
- cli_credentials_set_conf(session_info->credentials, global_loadparm);
- cli_credentials_set_anonymous(session_info->credentials);
-
- *_session_info = session_info;
-
- return NT_STATUS_OK;
-}
-
-struct auth_session_info *anonymous_session(TALLOC_CTX *mem_ctx)
-{
- NTSTATUS nt_status;
- struct auth_session_info *session_info = NULL;
- nt_status = auth_anonymous_session_info(mem_ctx, &session_info);
- if (!NT_STATUS_IS_OK(nt_status)) {
- return NULL;
- }
- return session_info;
-}
-
-static NTSTATUS _auth_system_session_info(TALLOC_CTX *parent_ctx,
- bool anonymous_credentials,
- struct auth_session_info **_session_info)
-{
- NTSTATUS nt_status;
- struct auth_serversupplied_info *server_info = NULL;
- struct auth_session_info *session_info = NULL;
- TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
-
- nt_status = auth_system_server_info(mem_ctx,
- &server_info);
- if (!NT_STATUS_IS_OK(nt_status)) {
- talloc_free(mem_ctx);
- return nt_status;
- }
-
- /* references the server_info into the session_info */
- nt_status = auth_generate_session_info(parent_ctx, server_info, &session_info);
- talloc_free(mem_ctx);
-
- NT_STATUS_NOT_OK_RETURN(nt_status);
-
- session_info->credentials = cli_credentials_init(session_info);
- if (!session_info->credentials) {
- return NT_STATUS_NO_MEMORY;
- }
-
- cli_credentials_set_conf(session_info->credentials, global_loadparm);
-
- if (anonymous_credentials) {
- cli_credentials_set_anonymous(session_info->credentials);
- } else {
- cli_credentials_set_machine_account_pending(session_info->credentials);
- }
- *_session_info = session_info;
-
- return NT_STATUS_OK;
-}
-
-_PUBLIC_ NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
- struct auth_session_info **_session_info)
-{
- return _auth_system_session_info(parent_ctx,
- lp_parm_bool(global_loadparm, NULL, "system", "anonymous", false),
- _session_info);
-}
-
-/*
- Create a system session, with machine account credentials
-*/
-_PUBLIC_ struct auth_session_info *system_session(TALLOC_CTX *mem_ctx)
-{
- NTSTATUS nt_status;
- struct auth_session_info *session_info = NULL;
- nt_status = auth_system_session_info(mem_ctx,
- &session_info);
- if (!NT_STATUS_IS_OK(nt_status)) {
- return NULL;
- }
- return session_info;
-}
-
-/*
- Create a system session, but with anonymous credentials (so we do not need to open secrets.ldb)
-*/
-_PUBLIC_ struct auth_session_info *system_session_anon(TALLOC_CTX *mem_ctx)
-{
- NTSTATUS nt_status;
- struct auth_session_info *session_info = NULL;
- nt_status = _auth_system_session_info(mem_ctx, false, &session_info);
- if (!NT_STATUS_IS_OK(nt_status)) {
- return NULL;
- }
- return session_info;
-}
-
-/****************************************************************************
- prints a struct auth_session_info security token to debug output.
-****************************************************************************/
-void auth_session_info_debug(int dbg_lev,
- const struct auth_session_info *session_info)
-{
- if (!session_info) {
- DEBUG(dbg_lev, ("Session Info: (NULL)\n"));
- return;
- }
-
- security_token_debug(dbg_lev, session_info->security_token);
-}
/**
* Squash an NT_STATUS in line with security requirements.
diff --git a/source4/auth/config.mk b/source4/auth/config.mk
index 7a854a19a0..e9d5b7000c 100644
--- a/source4/auth/config.mk
+++ b/source4/auth/config.mk
@@ -4,6 +4,14 @@ include kerberos/config.mk
include ntlmssp/config.mk
include credentials/config.mk
+[SUBSYSTEM::auth_session]
+OBJ_FILES = session.o
+PUBLIC_PROTO_HEADER = session_proto.h
+
+[SUBSYSTEM::auth_system_session]
+OBJ_FILES = system_session.o
+PUBLIC_PROTO_HEADER = system_session_proto.h
+
[SUBSYSTEM::auth_sam]
PRIVATE_PROTO_HEADER = auth_sam.h
OBJ_FILES = sam.o auth_sam_reply.o ntlm_check.o
@@ -71,6 +79,7 @@ OBJ_FILES = \
auth_util.o \
auth_simple.o
PUBLIC_DEPENDENCIES = LIBSECURITY SAMDB CREDENTIALS
+PRIVATE_DEPENDENCIES = auth_session auth_system_session
# End SUBSYSTEM auth
#######################
diff --git a/source4/auth/session.c b/source4/auth/session.c
new file mode 100644
index 0000000000..1a87e98bed
--- /dev/null
+++ b/source4/auth/session.c
@@ -0,0 +1,328 @@
+/*
+ Unix SMB/CIFS implementation.
+ Authentication utility functions
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Andrew Bartlett 2001
+ Copyright (C) Jeremy Allison 2000-2001
+ Copyright (C) Rafal Szczesniak 2002
+ Copyright (C) Stefan Metzmacher 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "auth/auth.h"
+#include "libcli/security/security.h"
+#include "libcli/auth/libcli_auth.h"
+#include "dsdb/samdb/samdb.h"
+#include "auth/credentials/credentials.h"
+#include "param/param.h"
+
+struct auth_session_info *anonymous_session(TALLOC_CTX *mem_ctx)
+{
+ NTSTATUS nt_status;
+ struct auth_session_info *session_info = NULL;
+ nt_status = auth_anonymous_session_info(mem_ctx, &session_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return NULL;
+ }
+ return session_info;
+}
+
+NTSTATUS auth_anonymous_session_info(TALLOC_CTX *parent_ctx,
+ struct auth_session_info **_session_info)
+{
+ NTSTATUS nt_status;
+ struct auth_serversupplied_info *server_info = NULL;
+ struct auth_session_info *session_info = NULL;
+ TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
+
+ nt_status = auth_anonymous_server_info(mem_ctx,
+ &server_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(mem_ctx);
+ return nt_status;
+ }
+
+ /* references the server_info into the session_info */
+ nt_status = auth_generate_session_info(parent_ctx, server_info, &session_info);
+ talloc_free(mem_ctx);
+
+ NT_STATUS_NOT_OK_RETURN(nt_status);
+
+ session_info->credentials = cli_credentials_init(session_info);
+ if (!session_info->credentials) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ cli_credentials_set_conf(session_info->credentials, global_loadparm);
+ cli_credentials_set_anonymous(session_info->credentials);
+
+ *_session_info = session_info;
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS auth_anonymous_server_info(TALLOC_CTX *mem_ctx, struct auth_serversupplied_info **_server_info)
+{
+ struct auth_serversupplied_info *server_info;
+ server_info = talloc(mem_ctx, struct auth_serversupplied_info);
+ NT_STATUS_HAVE_NO_MEMORY(server_info);
+
+ server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_ANONYMOUS);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
+
+ /* is this correct? */
+ server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_GUESTS);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
+
+ server_info->n_domain_groups = 0;
+ server_info->domain_groups = NULL;
+
+ /* annoying, but the Anonymous really does have a session key,
+ and it is all zeros! */
+ server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
+
+ server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
+
+ data_blob_clear(&server_info->user_session_key);
+ data_blob_clear(&server_info->lm_session_key);
+
+ server_info->account_name = talloc_strdup(server_info, "ANONYMOUS LOGON");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
+
+ server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
+
+ server_info->full_name = talloc_strdup(server_info, "Anonymous Logon");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
+
+ server_info->logon_script = talloc_strdup(server_info, "");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
+
+ server_info->profile_path = talloc_strdup(server_info, "");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
+
+ server_info->home_directory = talloc_strdup(server_info, "");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
+
+ server_info->home_drive = talloc_strdup(server_info, "");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
+
+ server_info->logon_server = talloc_strdup(server_info, lp_netbios_name(global_loadparm));
+ NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
+
+ server_info->last_logon = 0;
+ server_info->last_logoff = 0;
+ server_info->acct_expiry = 0;
+ server_info->last_password_change = 0;
+ server_info->allow_password_change = 0;
+ server_info->force_password_change = 0;
+
+ server_info->logon_count = 0;
+ server_info->bad_password_count = 0;
+
+ server_info->acct_flags = ACB_NORMAL;
+
+ server_info->authenticated = false;
+
+ *_server_info = server_info;
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS auth_generate_session_info(TALLOC_CTX *mem_ctx,
+ struct auth_serversupplied_info *server_info,
+ struct auth_session_info **_session_info)
+{
+ struct auth_session_info *session_info;
+ NTSTATUS nt_status;
+
+ session_info = talloc(mem_ctx, struct auth_session_info);
+ NT_STATUS_HAVE_NO_MEMORY(session_info);
+
+ session_info->server_info = talloc_reference(session_info, server_info);
+
+ /* unless set otherwise, the session key is the user session
+ * key from the auth subsystem */
+ session_info->session_key = server_info->user_session_key;
+
+ nt_status = security_token_create(session_info,
+ server_info->account_sid,
+ server_info->primary_group_sid,
+ server_info->n_domain_groups,
+ server_info->domain_groups,
+ server_info->authenticated,
+ &session_info->security_token);
+ NT_STATUS_NOT_OK_RETURN(nt_status);
+
+ session_info->credentials = NULL;
+
+ *_session_info = session_info;
+ return NT_STATUS_OK;
+}
+
+/**
+ * prints a struct auth_session_info security token to debug output.
+ */
+void auth_session_info_debug(int dbg_lev,
+ const struct auth_session_info *session_info)
+{
+ if (!session_info) {
+ DEBUG(dbg_lev, ("Session Info: (NULL)\n"));
+ return;
+ }
+
+ security_token_debug(dbg_lev, session_info->security_token);
+}
+
+/**
+ * Make a server_info struct from the info3 returned by a domain logon
+ */
+NTSTATUS make_server_info_netlogon_validation(TALLOC_CTX *mem_ctx,
+ const char *account_name,
+ uint16_t validation_level,
+ union netr_Validation *validation,
+ struct auth_serversupplied_info **_server_info)
+{
+ struct auth_serversupplied_info *server_info;
+ struct netr_SamBaseInfo *base = NULL;
+ int i;
+
+ switch (validation_level) {
+ case 2:
+ if (!validation || !validation->sam2) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ base = &validation->sam2->base;
+ break;
+ case 3:
+ if (!validation || !validation->sam3) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ base = &validation->sam3->base;
+ break;
+ case 6:
+ if (!validation || !validation->sam6) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ base = &validation->sam6->base;
+ break;
+ default:
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ server_info = talloc(mem_ctx, struct auth_serversupplied_info);
+ NT_STATUS_HAVE_NO_MEMORY(server_info);
+
+ /*
+ Here is where we should check the list of
+ trusted domains, and verify that the SID
+ matches.
+ */
+ server_info->account_sid = dom_sid_add_rid(server_info, base->domain_sid, base->rid);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
+
+
+ server_info->primary_group_sid = dom_sid_add_rid(server_info, base->domain_sid, base->primary_gid);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
+
+ server_info->n_domain_groups = base->groups.count;
+ if (base->groups.count) {
+ server_info->domain_groups = talloc_array(server_info, struct dom_sid*, base->groups.count);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups);
+ } else {
+ server_info->domain_groups = NULL;
+ }
+
+ for (i = 0; i < base->groups.count; i++) {
+ server_info->domain_groups[i] = dom_sid_add_rid(server_info, base->domain_sid, base->groups.rids[i].rid);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups[i]);
+ }
+
+ /* Copy 'other' sids. We need to do sid filtering here to
+ prevent possible elevation of privileges. See:
+
+ http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
+ */
+
+ if (validation_level == 3) {
+ struct dom_sid **dgrps = server_info->domain_groups;
+ size_t sidcount = server_info->n_domain_groups + validation->sam3->sidcount;
+ size_t n_dgrps = server_info->n_domain_groups;
+
+ if (validation->sam3->sidcount > 0) {
+ dgrps = talloc_realloc(server_info, dgrps, struct dom_sid*, sidcount);
+ NT_STATUS_HAVE_NO_MEMORY(dgrps);
+
+ for (i = 0; i < validation->sam3->sidcount; i++) {
+ dgrps[n_dgrps + i] = talloc_reference(dgrps, validation->sam3->sids[i].sid);
+ }
+ }
+
+ server_info->n_domain_groups = sidcount;
+ server_info->domain_groups = dgrps;
+
+ /* Where are the 'global' sids?... */
+ }
+
+ if (base->account_name.string) {
+ server_info->account_name = talloc_reference(server_info, base->account_name.string);
+ } else {
+ server_info->account_name = talloc_strdup(server_info, account_name);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
+ }
+
+ server_info->domain_name = talloc_reference(server_info, base->domain.string);
+ server_info->full_name = talloc_reference(server_info, base->full_name.string);
+ server_info->logon_script = talloc_reference(server_info, base->logon_script.string);
+ server_info->profile_path = talloc_reference(server_info, base->profile_path.string);
+ server_info->home_directory = talloc_reference(server_info, base->home_directory.string);
+ server_info->home_drive = talloc_reference(server_info, base->home_drive.string);
+ server_info->logon_server = talloc_reference(server_info, base->logon_server.string);
+ server_info->last_logon = base->last_logon;
+ server_info->last_logoff = base->last_logoff;
+ server_info->acct_expiry = base->acct_expiry;
+ server_info->last_password_change = base->last_password_change;
+ server_info->allow_password_change = base->allow_password_change;
+ server_info->force_password_change = base->force_password_change;
+ server_info->logon_count = base->logon_count;
+ server_info->bad_password_count = base->bad_password_count;
+ server_info->acct_flags = base->acct_flags;
+
+ server_info->authenticated = true;
+
+ /* ensure we are never given NULL session keys */
+
+ if (all_zero(base->key.key, sizeof(base->key.key))) {
+ server_info->user_session_key = data_blob(NULL, 0);
+ } else {
+ server_info->user_session_key = data_blob_talloc(server_info, base->key.key, sizeof(base->key.key));
+ NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
+ }
+
+ if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
+ server_info->lm_session_key = data_blob(NULL, 0);
+ } else {
+ server_info->lm_session_key = data_blob_talloc(server_info, base->LMSessKey.key, sizeof(base->LMSessKey.key));
+ NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
+ }
+
+ *_server_info = server_info;
+ return NT_STATUS_OK;
+}
+
+
diff --git a/source4/auth/session.h b/source4/auth/session.h
new file mode 100644
index 0000000000..233b84d39a
--- /dev/null
+++ b/source4/auth/session.h
@@ -0,0 +1,33 @@
+/*
+ Unix SMB/CIFS implementation.
+ Auth session handling
+ Copyright (C) Andrew Bartlett 2001
+ Copyright (C) Stefan Metzmacher 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SAMBA_AUTH_SESSION_H
+#define _SAMBA_AUTH_SESSION_H
+
+struct auth_session_info {
+ struct security_token *security_token;
+ struct auth_serversupplied_info *server_info;
+ DATA_BLOB session_key;
+ struct cli_credentials *credentials;
+};
+
+#include "auth/session_proto.h"
+
+#endif /* _SAMBA_AUTH_SESSION_H */
diff --git a/source4/auth/system_session.c b/source4/auth/system_session.c
new file mode 100644
index 0000000000..ec461cda5a
--- /dev/null
+++ b/source4/auth/system_session.c
@@ -0,0 +1,183 @@
+/*
+ Unix SMB/CIFS implementation.
+ Authentication utility functions
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Andrew Bartlett 2001
+ Copyright (C) Jeremy Allison 2000-2001
+ Copyright (C) Rafal Szczesniak 2002
+ Copyright (C) Stefan Metzmacher 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "libcli/security/security.h"
+#include "libcli/auth/libcli_auth.h"
+#include "dsdb/samdb/samdb.h"
+#include "auth/credentials/credentials.h"
+#include "param/param.h"
+#include "auth/auth.h" /* for auth_serversupplied_info */
+#include "auth/session.h"
+#include "auth/system_session_proto.h"
+
+/**
+ Create a system session, with machine account credentials
+*/
+_PUBLIC_ struct auth_session_info *system_session(TALLOC_CTX *mem_ctx)
+{
+ NTSTATUS nt_status;
+ struct auth_session_info *session_info = NULL;
+ nt_status = auth_system_session_info(mem_ctx,
+ &session_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return NULL;
+ }
+ return session_info;
+}
+
+static NTSTATUS _auth_system_session_info(TALLOC_CTX *parent_ctx,
+ bool anonymous_credentials,
+ struct auth_session_info **_session_info)
+{
+ NTSTATUS nt_status;
+ struct auth_serversupplied_info *server_info = NULL;
+ struct auth_session_info *session_info = NULL;
+ TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
+
+ nt_status = auth_system_server_info(mem_ctx,
+ &server_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(mem_ctx);
+ return nt_status;
+ }
+
+ /* references the server_info into the session_info */
+ nt_status = auth_generate_session_info(parent_ctx, server_info, &session_info);
+ talloc_free(mem_ctx);
+
+ NT_STATUS_NOT_OK_RETURN(nt_status);
+
+ session_info->credentials = cli_credentials_init(session_info);
+ if (!session_info->credentials) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ cli_credentials_set_conf(session_info->credentials, global_loadparm);
+
+ if (anonymous_credentials) {
+ cli_credentials_set_anonymous(session_info->credentials);
+ } else {
+ cli_credentials_set_machine_account_pending(session_info->credentials);
+ }
+ *_session_info = session_info;
+
+ return NT_STATUS_OK;
+}
+
+/*
+ Create a system session, but with anonymous credentials (so we do not need to open secrets.ldb)
+*/
+_PUBLIC_ struct auth_session_info *system_session_anon(TALLOC_CTX *mem_ctx)
+{
+ NTSTATUS nt_status;
+ struct auth_session_info *session_info = NULL;
+ nt_status = _auth_system_session_info(mem_ctx, false, &session_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return NULL;
+ }
+ return session_info;
+}
+
+
+
+_PUBLIC_ NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
+ struct auth_session_info **_session_info)
+{
+ return _auth_system_session_info(parent_ctx,
+ lp_parm_bool(global_loadparm, NULL, "system", "anonymous", false),
+ _session_info);
+}
+
+NTSTATUS auth_system_server_info(TALLOC_CTX *mem_ctx,
+ struct auth_serversupplied_info **_server_info)
+{
+ struct auth_serversupplied_info *server_info;
+ server_info = talloc(mem_ctx, struct auth_serversupplied_info);
+ NT_STATUS_HAVE_NO_MEMORY(server_info);
+
+ server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_SYSTEM);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
+
+ /* is this correct? */
+ server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_ADMINISTRATORS);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
+
+ server_info->n_domain_groups = 0;
+ server_info->domain_groups = NULL;
+
+ /* annoying, but the Anonymous really does have a session key,
+ and it is all zeros! */
+ server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
+
+ server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
+ NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
+
+ data_blob_clear(&server_info->user_session_key);
+ data_blob_clear(&server_info->lm_session_key);
+
+ server_info->account_name = talloc_strdup(server_info, "SYSTEM");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
+
+ server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
+
+ server_info->full_name = talloc_strdup(server_info, "System");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
+
+ server_info->logon_script = talloc_strdup(server_info, "");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
+
+ server_info->profile_path = talloc_strdup(server_info, "");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
+
+ server_info->home_directory = talloc_strdup(server_info, "");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
+
+ server_info->home_drive = talloc_strdup(server_info, "");
+ NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
+
+ server_info->logon_server = talloc_strdup(server_info, lp_netbios_name(global_loadparm));
+ NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
+
+ server_info->last_logon = 0;
+ server_info->last_logoff = 0;
+ server_info->acct_expiry = 0;
+ server_info->last_password_change = 0;
+ server_info->allow_password_change = 0;
+ server_info->force_password_change = 0;
+
+ server_info->logon_count = 0;
+ server_info->bad_password_count = 0;
+
+ server_info->acct_flags = ACB_NORMAL;
+
+ server_info->authenticated = true;
+
+ *_server_info = server_info;
+
+ return NT_STATUS_OK;
+}
+
+