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-rw-r--r--source3/libgpo/gpext/security.c297
1 files changed, 297 insertions, 0 deletions
diff --git a/source3/libgpo/gpext/security.c b/source3/libgpo/gpext/security.c
new file mode 100644
index 0000000..a915eec
--- /dev/null
+++ b/source3/libgpo/gpext/security.c
@@ -0,0 +1,297 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Group Policy Support
+ * Copyright (C) Guenther Deschner 2005-2008
+ *
+ * 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 "../libgpo/gpo_ini.h"
+#include "../libgpo/gpo.h"
+#include "libgpo/gpo_proto.h"
+#include "libgpo/gpext/gpext.h"
+
+#define GP_EXT_NAME "security"
+
+#define GPTTMPL_UNIX_PATH "Microsoft/Windows NT/SecEdit/GptTmpl.inf"
+
+#define GPTTMPL_SECTION_UNICODE "Unicode"
+#define GPTTMPL_SECTION_VERSION "Version"
+
+#define GPTTMPL_SECTION_REGISTRY_VALUES "Registry Values"
+#define GPTTMPL_SECTION_SYSTEM_ACCESS "System Access"
+#define GPTTMPL_SECTION_KERBEROS_POLICY "Kerberos Policy"
+#define GPTTMPL_SECTION_EVENT_AUDIT "Event Audit"
+#define GPTTMPL_SECTION_PRIVILEGE_RIGHTS "Privilege Rights"
+#define GPTTMPL_SECTION_APPLICATION_LOG "Application Log"
+#define GPTTMPL_SECTION_SECURITY_LOG "Security Log"
+#define GPTTMPL_SECTION_SYSTEM_LOG "System Log"
+#define GPTTMPL_SECTION_GROUP_MEMBERSHIP "Group Membership"
+#define GPTTMPL_SECTION_FILE_SECURITY "File Security"
+#define GPTTMPL_SECTION_SERVICE_GENERAL_SETTING "Service General Setting"
+
+NTSTATUS gpext_security_init(TALLOC_CTX *mem_ctx);
+
+static TALLOC_CTX *ctx = NULL;
+
+struct gpttmpl_table {
+ const char *section;
+ const char *parameter;
+ enum winreg_Type type;
+};
+
+/****************************************************************
+ parse the Version section from gpttmpl file
+****************************************************************/
+
+#define GPTTMPL_PARAMETER_REVISION "Revision"
+#define GPTTMPL_PARAMETER_SIGNATURE "signature"
+#define GPTTMPL_VALUE_CHICAGO "\"$CHICAGO$\"" /* whatever this is good for... */
+#define GPTTMPL_PARAMETER_UNICODE "Unicode"
+
+static NTSTATUS gpttmpl_parse_header(struct gp_inifile_context *ini_ctx,
+ uint32_t *version_out)
+{
+ const char *signature = NULL;
+ NTSTATUS result;
+ int version;
+ bool is_unicode = false;
+
+ if (!ini_ctx) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ result = gp_inifile_getstring(ini_ctx, GPTTMPL_SECTION_VERSION
+ ":"GPTTMPL_PARAMETER_SIGNATURE, &signature);
+ if (!NT_STATUS_IS_OK(result)) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ if (!strequal(signature, GPTTMPL_VALUE_CHICAGO)) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+ result = gp_inifile_getint(ini_ctx, GPTTMPL_SECTION_VERSION
+ ":"GPTTMPL_PARAMETER_REVISION, &version);
+ if (!NT_STATUS_IS_OK(result)) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ if (version_out) {
+ *version_out = version;
+ }
+
+ result = gp_inifile_getbool(ini_ctx, GPTTMPL_SECTION_UNICODE
+ ":"GPTTMPL_PARAMETER_UNICODE, &is_unicode);
+ if (!NT_STATUS_IS_OK(result) || !is_unicode) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS gpttmpl_init_context(TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ const char *unix_path,
+ struct gp_inifile_context **ini_ctx)
+{
+ NTSTATUS status;
+ uint32_t version;
+ struct gp_inifile_context *tmp_ctx = NULL;
+
+ status = gp_inifile_init_context(mem_ctx, flags, unix_path,
+ GPTTMPL_UNIX_PATH, &tmp_ctx);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ status = gpttmpl_parse_header(tmp_ctx, &version);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1,("gpttmpl_init_context: failed: %s\n",
+ nt_errstr(status)));
+ TALLOC_FREE(tmp_ctx);
+ return status;
+ }
+
+ *ini_ctx = tmp_ctx;
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS gpttmpl_process(struct gp_inifile_context *ini_ctx,
+ struct registry_key *root_key,
+ uint32_t flags)
+{
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS security_process_group_policy(TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ struct registry_key *root_key,
+ const struct security_token *token,
+ const struct GROUP_POLICY_OBJECT *deleted_gpo_list,
+ const struct GROUP_POLICY_OBJECT *changed_gpo_list)
+{
+ NTSTATUS status = NT_STATUS_OK;
+ char *unix_path = NULL;
+ struct gp_inifile_context *ini_ctx = NULL;
+ const struct GROUP_POLICY_OBJECT *gpo;
+ char *gpo_cache_path = cache_path(talloc_tos(), GPO_CACHE_DIR);
+ if (gpo_cache_path == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* implementation of the policy callback function, see
+ * http://msdn.microsoft.com/en-us/library/aa373494%28v=vs.85%29.aspx
+ * for details - gd */
+
+ /* for now do not process the list of deleted group policies
+
+ for (gpo = deleted_gpo_list; gpo; gpo = gpo->next) {
+ }
+
+ */
+
+ for (gpo = changed_gpo_list; gpo; gpo = gpo->next) {
+
+ gpext_debug_header(0, "security_process_group_policy", flags,
+ gpo, GP_EXT_GUID_SECURITY, NULL);
+
+ /* this handler processes the gpttmpl files and merge output to the
+ * registry */
+
+ status = gpo_get_unix_path(mem_ctx, gpo_cache_path,
+ gpo, &unix_path);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
+
+ status = gpttmpl_init_context(mem_ctx, flags, unix_path,
+ &ini_ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
+
+ status = gpttmpl_process(ini_ctx, root_key, flags);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
+
+ TALLOC_FREE(ini_ctx);
+ }
+
+ out:
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("security_process_group_policy: %s\n",
+ nt_errstr(status)));
+ }
+ TALLOC_FREE(ini_ctx);
+ talloc_free(gpo_cache_path);
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS security_get_reg_config(TALLOC_CTX *mem_ctx,
+ struct gp_extension_reg_info **reg_info)
+{
+ NTSTATUS status;
+ struct gp_extension_reg_info *info = NULL;
+
+ struct gp_extension_reg_table table[] = {
+ /* FIXME: how can we store the "(Default)" value ??? */
+ /* { "", REG_SZ, "Security" }, */
+ { "ProcessGroupPolicy", REG_SZ, "security_process_group_policy" },
+ { "NoUserPolicy", REG_DWORD, "1" },
+ { "ExtensionDebugLevel", REG_DWORD, "1" },
+ { NULL, REG_NONE, NULL }
+ };
+
+ info = talloc_zero(mem_ctx, struct gp_extension_reg_info);
+ NT_STATUS_HAVE_NO_MEMORY(info);
+
+ status = gpext_info_add_entry(mem_ctx, GP_EXT_NAME,
+ GP_EXT_GUID_SECURITY,
+ table, info);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ *reg_info = info;
+
+ return NT_STATUS_OK;
+}
+
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS security_initialize(TALLOC_CTX *mem_ctx)
+{
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS security_shutdown(void)
+{
+ NTSTATUS status;
+
+ status = gpext_unregister_gp_extension(GP_EXT_NAME);
+ if (NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ TALLOC_FREE(ctx);
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static struct gp_extension_methods security_methods = {
+ .initialize = security_initialize,
+ .process_group_policy = security_process_group_policy,
+ .get_reg_config = security_get_reg_config,
+ .shutdown = security_shutdown
+};
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gpext_security_init(TALLOC_CTX *mem_ctx)
+{
+ NTSTATUS status;
+
+ ctx = talloc_init("gpext_security_init");
+ NT_STATUS_HAVE_NO_MEMORY(ctx);
+
+ status = gpext_register_gp_extension(ctx, SMB_GPEXT_INTERFACE_VERSION,
+ GP_EXT_NAME, GP_EXT_GUID_SECURITY,
+ &security_methods);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(ctx);
+ }
+
+ return status;
+}