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)

1 files changed, 183 insertions, 0 deletions

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;
+}
+
+