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-rw-r--r--libgpo/config.mk3
-rw-r--r--libgpo/gpext/gpext.c749
-rw-r--r--libgpo/gpext/gpext.h86
-rw-r--r--libgpo/gpo.h163
-rw-r--r--libgpo/gpo_util.c872
5 files changed, 1873 insertions, 0 deletions
diff --git a/libgpo/config.mk b/libgpo/config.mk
new file mode 100644
index 0000000000..ebfcafd024
--- /dev/null
+++ b/libgpo/config.mk
@@ -0,0 +1,3 @@
+[SUBSYSTEM::LIBGPO]
+
+LIBGPO_OBJ_FILES = ../libgpo/gpo_util.o
diff --git a/libgpo/gpext/gpext.c b/libgpo/gpext/gpext.c
new file mode 100644
index 0000000000..82c0459e45
--- /dev/null
+++ b/libgpo/gpext/gpext.c
@@ -0,0 +1,749 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Group Policy Support
+ * Copyright (C) Guenther Deschner 2007-2008
+ *
+ * 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/gpext/gpext.h"
+#include "librpc/gen_ndr/ndr_misc.h"
+#include "lib/util/dlinklist.h"
+
+static struct gp_extension *extensions = NULL;
+
+/****************************************************************
+****************************************************************/
+
+struct gp_extension *get_gp_extension_list(void)
+{
+ return extensions;
+}
+
+/****************************************************************
+****************************************************************/
+
+/* see http://support.microsoft.com/kb/216358/en-us/ for more info */
+
+struct gp_extension_reg_table gpext_reg_vals[] = {
+ { "DllName", REG_EXPAND_SZ },
+ { "ProcessGroupPolicy", REG_SZ },
+ { "NoMachinePolicy", REG_DWORD },
+ { "NoUserPolicy", REG_DWORD },
+ { "NoSlowLink", REG_DWORD },
+ { "NoBackgroundPolicy", REG_DWORD },
+ { "NoGPOListChanges", REG_DWORD },
+ { "PerUserLocalSettings", REG_DWORD },
+ { "RequiresSuccessfulRegistry", REG_DWORD },
+ { "EnableAsynchronousProcessing", REG_DWORD },
+ { "ExtensionDebugLevel", REG_DWORD },
+ /* new */
+ { "GenerateGroupPolicy", REG_SZ }, /* not supported on w2k */
+ { "NotifyLinkTransition", REG_DWORD },
+ { "ProcessGroupPolicyEx", REG_SZ }, /* not supported on w2k */
+ { "ExtensionEventSource", REG_MULTI_SZ }, /* not supported on w2k */
+ { "GenerateGroupPolicy", REG_SZ },
+ { "MaxNoGPOListChangesInterval", REG_DWORD },
+ { NULL, REG_NONE }
+};
+
+/****************************************************************
+****************************************************************/
+
+static struct gp_extension *get_extension_by_name(struct gp_extension *be,
+ const char *name)
+{
+ struct gp_extension *b;
+
+ for (b = be; b; b = b->next) {
+ if (strequal(b->name, name)) {
+ return b;
+ }
+ }
+
+ return NULL;
+}
+
+/****************************************************************
+****************************************************************/
+
+static struct gp_extension_methods *get_methods_by_name(struct gp_extension *be,
+ const char *name)
+{
+ struct gp_extension *b;
+
+ for (b = be; b; b = b->next) {
+ if (strequal(b->name, name)) {
+ return b->methods;
+ }
+ }
+
+ return NULL;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS unregister_gp_extension(const char *name)
+{
+ struct gp_extension *ext;
+
+ ext = get_extension_by_name(extensions, name);
+ if (!ext) {
+ return NT_STATUS_OK;
+ }
+
+ DLIST_REMOVE(extensions, ext);
+ talloc_free(ext);
+
+ DEBUG(2,("Successfully removed GP extension '%s'\n", name));
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS register_gp_extension(TALLOC_CTX *gpext_ctx,
+ int version,
+ const char *name,
+ const char *guid,
+ struct gp_extension_methods *methods)
+{
+ struct gp_extension_methods *test;
+ struct gp_extension *entry;
+ NTSTATUS status;
+
+ if (!gpext_ctx) {
+ return NT_STATUS_INTERNAL_DB_ERROR;
+ }
+
+ if ((version != SMB_GPEXT_INTERFACE_VERSION)) {
+ DEBUG(0,("Failed to register gp extension.\n"
+ "The module was compiled against "
+ "SMB_GPEXT_INTERFACE_VERSION %d,\n"
+ "current SMB_GPEXT_INTERFACE_VERSION is %d.\n"
+ "Please recompile against the current "
+ "version of samba!\n",
+ version, SMB_GPEXT_INTERFACE_VERSION));
+ return NT_STATUS_OBJECT_TYPE_MISMATCH;
+ }
+
+ if (!guid || !name || !name[0] || !methods) {
+ DEBUG(0,("Called with NULL pointer or empty name!\n"));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ test = get_methods_by_name(extensions, name);
+ if (test) {
+ DEBUG(0,("GP extension module %s already registered!\n",
+ name));
+ return NT_STATUS_OBJECT_NAME_COLLISION;
+ }
+
+ entry = talloc_zero(gpext_ctx, struct gp_extension);
+ NT_STATUS_HAVE_NO_MEMORY(entry);
+
+ entry->name = talloc_strdup(gpext_ctx, name);
+ NT_STATUS_HAVE_NO_MEMORY(entry->name);
+
+ entry->guid = talloc_zero(gpext_ctx, struct GUID);
+ NT_STATUS_HAVE_NO_MEMORY(entry->guid);
+ status = GUID_from_string(guid, entry->guid);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ entry->methods = methods;
+ DLIST_ADD(extensions, entry);
+
+ DEBUG(2,("Successfully added GP extension '%s' %s\n",
+ name, GUID_string2(gpext_ctx, entry->guid)));
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS gp_extension_init_module(TALLOC_CTX *mem_ctx,
+ const char *name,
+ struct gp_extension **gpext)
+{
+ NTSTATUS status;
+ struct gp_extension *ext = NULL;
+
+ ext = talloc_zero(mem_ctx, struct gp_extension);
+ NT_STATUS_HAVE_NO_MEMORY(gpext);
+
+ ext->methods = get_methods_by_name(extensions, name);
+ if (!ext->methods) {
+
+ status = smb_probe_module(SAMBA_SUBSYSTEM_GPEXT,
+ name);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ ext->methods = get_methods_by_name(extensions, name);
+ if (!ext->methods) {
+ return NT_STATUS_DLL_INIT_FAILED;
+ }
+ }
+
+ *gpext = ext;
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool add_gp_extension_reg_entry_to_array(TALLOC_CTX *mem_ctx,
+ struct gp_extension_reg_entry *entry,
+ struct gp_extension_reg_entry **entries,
+ size_t *num)
+{
+ *entries = talloc_realloc(mem_ctx, *entries,
+ struct gp_extension_reg_entry,
+ (*num)+1);
+ if (*entries == NULL) {
+ *num = 0;
+ return false;
+ }
+
+ (*entries)[*num].value = entry->value;
+ (*entries)[*num].data = entry->data;
+
+ *num += 1;
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool add_gp_extension_reg_info_entry_to_array(TALLOC_CTX *mem_ctx,
+ struct gp_extension_reg_info_entry *entry,
+ struct gp_extension_reg_info_entry **entries,
+ size_t *num)
+{
+ *entries = talloc_realloc(mem_ctx, *entries,
+ struct gp_extension_reg_info_entry,
+ (*num)+1);
+ if (*entries == NULL) {
+ *num = 0;
+ return false;
+ }
+
+ (*entries)[*num].guid = entry->guid;
+ (*entries)[*num].num_entries = entry->num_entries;
+ (*entries)[*num].entries = entry->entries;
+
+ *num += 1;
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS gp_ext_info_add_reg(TALLOC_CTX *mem_ctx,
+ struct gp_extension_reg_info_entry *entry,
+ const char *value,
+ enum winreg_Type type,
+ const char *data_s)
+{
+ struct gp_extension_reg_entry *reg_entry = NULL;
+ struct registry_value *data = NULL;
+
+ reg_entry = talloc_zero(mem_ctx, struct gp_extension_reg_entry);
+ NT_STATUS_HAVE_NO_MEMORY(reg_entry);
+
+ data = talloc_zero(mem_ctx, struct registry_value);
+ NT_STATUS_HAVE_NO_MEMORY(data);
+
+ data->type = type;
+
+ switch (type) {
+ case REG_SZ:
+ case REG_EXPAND_SZ:
+ data->v.sz.str = talloc_strdup(mem_ctx, data_s);
+ NT_STATUS_HAVE_NO_MEMORY(data->v.sz.str);
+ data->v.sz.len = strlen(data_s);
+ break;
+ case REG_DWORD:
+ data->v.dword = atoi(data_s);
+ break;
+ default:
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ reg_entry->value = value;
+ reg_entry->data = data;
+
+ if (!add_gp_extension_reg_entry_to_array(mem_ctx, reg_entry,
+ &entry->entries,
+ &entry->num_entries)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS gp_ext_info_add_reg_table(TALLOC_CTX *mem_ctx,
+ const char *module,
+ struct gp_extension_reg_info_entry *entry,
+ struct gp_extension_reg_table *table)
+{
+ NTSTATUS status;
+ const char *module_name = NULL;
+ int i;
+
+ module_name = talloc_asprintf(mem_ctx, "%s.%s", module, shlib_ext());
+ NT_STATUS_HAVE_NO_MEMORY(module_name);
+
+ status = gp_ext_info_add_reg(mem_ctx, entry,
+ "DllName", REG_EXPAND_SZ, module_name);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ for (i=0; table[i].val; i++) {
+ status = gp_ext_info_add_reg(mem_ctx, entry,
+ table[i].val,
+ table[i].type,
+ table[i].data);
+ NT_STATUS_NOT_OK_RETURN(status);
+ }
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gp_ext_info_add_entry(TALLOC_CTX *mem_ctx,
+ const char *module,
+ const char *ext_guid,
+ struct gp_extension_reg_table *table,
+ struct gp_extension_reg_info *info)
+{
+ NTSTATUS status;
+ struct gp_extension_reg_info_entry *entry = NULL;
+
+ entry = TALLOC_ZERO_P(mem_ctx, struct gp_extension_reg_info_entry);
+ NT_STATUS_HAVE_NO_MEMORY(entry);
+
+ status = GUID_from_string(ext_guid, &entry->guid);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ status = gp_ext_info_add_reg_table(mem_ctx, module, entry, table);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ if (!add_gp_extension_reg_info_entry_to_array(mem_ctx, entry,
+ &info->entries,
+ &info->num_entries)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool gp_extension_reg_info_verify_entry(struct gp_extension_reg_entry *entry)
+{
+ int i;
+
+ for (i=0; gpext_reg_vals[i].val; i++) {
+
+ if ((strequal(entry->value, gpext_reg_vals[i].val)) &&
+ (entry->data->type == gpext_reg_vals[i].type)) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool gp_extension_reg_info_verify(struct gp_extension_reg_info_entry *entry)
+{
+ int i;
+
+ for (i=0; i < entry->num_entries; i++) {
+ if (!gp_extension_reg_info_verify_entry(&entry->entries[i])) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR gp_extension_store_reg_vals(TALLOC_CTX *mem_ctx,
+ struct registry_key *key,
+ struct gp_extension_reg_info_entry *entry)
+{
+ WERROR werr = WERR_OK;
+ size_t i;
+
+ for (i=0; i < entry->num_entries; i++) {
+
+ werr = reg_setvalue(key,
+ entry->entries[i].value,
+ entry->entries[i].data);
+ W_ERROR_NOT_OK_RETURN(werr);
+ }
+
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR gp_extension_store_reg_entry(TALLOC_CTX *mem_ctx,
+ struct gp_registry_context *reg_ctx,
+ struct gp_extension_reg_info_entry *entry)
+{
+ WERROR werr;
+ struct registry_key *key = NULL;
+ const char *subkeyname = NULL;
+
+ if (!gp_extension_reg_info_verify(entry)) {
+ return WERR_INVALID_PARAM;
+ }
+
+ subkeyname = GUID_string2(mem_ctx, &entry->guid);
+ W_ERROR_HAVE_NO_MEMORY(subkeyname);
+
+ strupper_m(CONST_DISCARD(char *,subkeyname));
+
+ werr = gp_store_reg_subkey(mem_ctx,
+ subkeyname,
+ reg_ctx->curr_key,
+ &key);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ werr = gp_extension_store_reg_vals(mem_ctx,
+ key,
+ entry);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR gp_extension_store_reg(TALLOC_CTX *mem_ctx,
+ struct gp_registry_context *reg_ctx,
+ struct gp_extension_reg_info *info)
+{
+ WERROR werr = WERR_OK;
+ int i;
+
+ if (!info) {
+ return WERR_OK;
+ }
+
+ for (i=0; i < info->num_entries; i++) {
+ werr = gp_extension_store_reg_entry(mem_ctx,
+ reg_ctx,
+ &info->entries[i]);
+ W_ERROR_NOT_OK_RETURN(werr);
+ }
+
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS gp_glob_ext_list(TALLOC_CTX *mem_ctx,
+ const char ***ext_list,
+ size_t *ext_list_len)
+{
+ SMB_STRUCT_DIR *dir = NULL;
+ SMB_STRUCT_DIRENT *dirent = NULL;
+
+ dir = sys_opendir(modules_path(SAMBA_SUBSYSTEM_GPEXT));
+ if (!dir) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ while ((dirent = sys_readdir(dir))) {
+
+ fstring name; /* forgive me... */
+ char *p;
+
+ if ((strequal(dirent->d_name, ".")) ||
+ (strequal(dirent->d_name, ".."))) {
+ continue;
+ }
+
+ p = strrchr(dirent->d_name, '.');
+ if (!p) {
+ sys_closedir(dir);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!strcsequal(p+1, shlib_ext())) {
+ DEBUG(10,("gp_glob_ext_list: not a *.so file: %s\n",
+ dirent->d_name));
+ continue;
+ }
+
+ fstrcpy(name, dirent->d_name);
+ name[PTR_DIFF(p, dirent->d_name)] = 0;
+
+ if (!add_string_to_array(mem_ctx, name, ext_list,
+ (int *)ext_list_len)) {
+ sys_closedir(dir);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ sys_closedir(dir);
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS shutdown_gp_extensions(void)
+{
+ struct gp_extension *ext = NULL;
+
+ for (ext = extensions; ext; ext = ext->next) {
+ if (ext->methods && ext->methods->shutdown) {
+ ext->methods->shutdown();
+ }
+ }
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS init_gp_extensions(TALLOC_CTX *mem_ctx)
+{
+ NTSTATUS status;
+ WERROR werr;
+ int i = 0;
+ const char **ext_array = NULL;
+ size_t ext_array_len = 0;
+ struct gp_extension *gpext = NULL;
+ struct gp_registry_context *reg_ctx = NULL;
+
+ if (get_gp_extension_list()) {
+ return NT_STATUS_OK;
+ }
+
+ status = gp_glob_ext_list(mem_ctx, &ext_array, &ext_array_len);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ for (i=0; i<ext_array_len; i++) {
+
+ struct gp_extension_reg_info *info = NULL;
+
+ status = gp_extension_init_module(mem_ctx, ext_array[i],
+ &gpext);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
+
+ if (gpext->methods->get_reg_config) {
+
+ status = gpext->methods->initialize(mem_ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ gpext->methods->shutdown();
+ goto out;
+ }
+
+ status = gpext->methods->get_reg_config(mem_ctx,
+ &info);
+ if (!NT_STATUS_IS_OK(status)) {
+ gpext->methods->shutdown();
+ goto out;
+ }
+
+ if (!reg_ctx) {
+ struct nt_user_token *token;
+
+ token = registry_create_system_token(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(token);
+
+ werr = gp_init_reg_ctx(mem_ctx,
+ KEY_WINLOGON_GPEXT_PATH,
+ REG_KEY_WRITE,
+ token,
+ &reg_ctx);
+ if (!W_ERROR_IS_OK(werr)) {
+ status = werror_to_ntstatus(werr);
+ gpext->methods->shutdown();
+ goto out;
+ }
+ }
+
+ werr = gp_extension_store_reg(mem_ctx, reg_ctx, info);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(1,("gp_extension_store_reg failed: %s\n",
+ win_errstr(werr)));
+ TALLOC_FREE(info);
+ gpext->methods->shutdown();
+ status = werror_to_ntstatus(werr);
+ goto out;
+ }
+ TALLOC_FREE(info);
+ }
+
+ }
+
+ out:
+ TALLOC_FREE(reg_ctx);
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS free_gp_extensions(void)
+{
+ struct gp_extension *ext, *ext_next = NULL;
+
+ for (ext = extensions; ext; ext = ext_next) {
+ ext_next = ext->next;
+ DLIST_REMOVE(extensions, ext);
+ TALLOC_FREE(ext);
+ }
+
+ extensions = NULL;
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+void debug_gpext_header(int lvl,
+ const char *name,
+ uint32_t flags,
+ struct GROUP_POLICY_OBJECT *gpo,
+ const char *extension_guid,
+ const char *snapin_guid)
+{
+ char *flags_str = NULL;
+
+ DEBUG(lvl,("%s\n", name));
+ DEBUGADD(lvl,("\tgpo: %s (%s)\n", gpo->name,
+ gpo->display_name));
+ DEBUGADD(lvl,("\tcse extension: %s (%s)\n", extension_guid,
+ cse_gpo_guid_string_to_name(extension_guid)));
+ DEBUGADD(lvl,("\tgplink: %s\n", gpo->link));
+ DEBUGADD(lvl,("\tsnapin: %s (%s)\n", snapin_guid,
+ cse_snapin_gpo_guid_string_to_name(snapin_guid)));
+
+ flags_str = gpo_flag_str(flags);
+ DEBUGADD(lvl,("\tflags: 0x%08x %s\n", flags, flags_str));
+ SAFE_FREE(flags_str);
+}
+
+NTSTATUS process_gpo_list_with_extension(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ const struct nt_user_token *token,
+ struct GROUP_POLICY_OBJECT *gpo_list,
+ const char *extension_guid,
+ const char *snapin_guid)
+{
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gpext_process_extension(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ const struct nt_user_token *token,
+ struct registry_key *root_key,
+ struct GROUP_POLICY_OBJECT *gpo,
+ const char *extension_guid,
+ const char *snapin_guid)
+{
+ NTSTATUS status;
+ struct gp_extension *ext = NULL;
+ struct GUID guid;
+ bool cse_found = false;
+
+ status = init_gp_extensions(mem_ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1,("init_gp_extensions failed: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+
+ status = GUID_from_string(extension_guid, &guid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ for (ext = extensions; ext; ext = ext->next) {
+
+ if (GUID_equal(ext->guid, &guid)) {
+ cse_found = true;
+ break;
+ }
+ }
+
+ if (!cse_found) {
+ goto no_ext;
+ }
+
+ status = ext->methods->initialize(mem_ctx);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ status = ext->methods->process_group_policy(ads,
+ mem_ctx,
+ flags,
+ root_key,
+ token,
+ gpo,
+ extension_guid,
+ snapin_guid);
+ if (!NT_STATUS_IS_OK(status)) {
+ ext->methods->shutdown();
+ }
+
+ return status;
+
+ no_ext:
+ if (flags & GPO_INFO_FLAG_VERBOSE) {
+ DEBUG(0,("process_extension: no extension available for:\n"));
+ DEBUGADD(0,("%s (%s) (snapin: %s)\n",
+ extension_guid,
+ cse_gpo_guid_string_to_name(extension_guid),
+ snapin_guid));
+ }
+
+ return NT_STATUS_OK;
+}
diff --git a/libgpo/gpext/gpext.h b/libgpo/gpext/gpext.h
new file mode 100644
index 0000000000..a3f9368f69
--- /dev/null
+++ b/libgpo/gpext/gpext.h
@@ -0,0 +1,86 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Group Policy Support
+ * Copyright (C) Guenther Deschner 2007-2008
+ *
+ * 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/>.
+ */
+
+#ifndef __GPEXT_H__
+#define __GPEXT_H__
+
+#include "librpc/gen_ndr/winreg.h"
+
+#define KEY_WINLOGON_GPEXT_PATH "HKLM\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\GPExtensions"
+
+#define SAMBA_SUBSYSTEM_GPEXT "gpext"
+
+#define SMB_GPEXT_INTERFACE_VERSION 1
+
+struct gp_extension {
+ struct GUID *guid;
+ const char *name;
+ struct gp_extension_methods *methods;
+ struct gp_extension *prev, *next;
+};
+
+struct gp_extension_reg_table {
+ const char *val;
+ enum winreg_Type type;
+ const char *data;
+};
+
+struct gp_extension_reg_entry {
+ const char *value;
+ struct registry_value *data;
+};
+
+struct gp_extension_reg_info_entry {
+ struct GUID guid;
+ size_t num_entries;
+ struct gp_extension_reg_entry *entries;
+};
+
+struct gp_extension_reg_info {
+ size_t num_entries;
+ struct gp_extension_reg_info_entry *entries;
+};
+
+struct gp_extension_methods {
+
+ NTSTATUS (*initialize)(TALLOC_CTX *mem_ctx);
+
+ NTSTATUS (*process_group_policy)(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ struct registry_key *root_key,
+ const struct nt_user_token *token,
+ struct GROUP_POLICY_OBJECT *gpo,
+ const char *extension_guid,
+ const char *snapin_guid);
+
+ NTSTATUS (*process_group_policy2)(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ const struct nt_user_token *token,
+ struct GROUP_POLICY_OBJECT *gpo_list,
+ const char *extension_guid);
+
+ NTSTATUS (*get_reg_config)(TALLOC_CTX *mem_ctx,
+ struct gp_extension_reg_info **info);
+
+ NTSTATUS (*shutdown)(void);
+};
+
+#endif /* __GPEXT_H__ */
diff --git a/libgpo/gpo.h b/libgpo/gpo.h
new file mode 100644
index 0000000000..9abf526e14
--- /dev/null
+++ b/libgpo/gpo.h
@@ -0,0 +1,163 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Group Policy Object 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/>.
+ */
+
+#ifndef __GPO_H__
+#define __GPO_H__
+
+enum GPO_LINK_TYPE {
+ GP_LINK_UNKOWN = 0,
+ GP_LINK_MACHINE = 1,
+ GP_LINK_SITE = 2,
+ GP_LINK_DOMAIN = 3,
+ GP_LINK_OU = 4,
+ GP_LINK_LOCAL = 5 /* for convenience */
+};
+
+/* GPO_OPTIONS */
+#define GPO_FLAG_DISABLE 0x00000001
+#define GPO_FLAG_FORCE 0x00000002
+
+/* GPO_LIST_FLAGS */
+#define GPO_LIST_FLAG_MACHINE 0x00000001
+#define GPO_LIST_FLAG_SITEONLY 0x00000002
+
+/* following flags from http://support.microsoft.com/kb/312164/EN-US/ */
+#define GPO_INFO_FLAG_MACHINE 0x00000001
+#define GPO_INFO_FLAG_BACKGROUND 0x00000010
+#define GPO_INFO_FLAG_SLOWLINK 0x00000020
+#define GPO_INFO_FLAG_VERBOSE 0x00000040
+#define GPO_INFO_FLAG_NOCHANGES 0x00000080
+#define GPO_INFO_FLAG_LINKTRANSITION 0x00000100
+#define GPO_INFO_FLAG_LOGRSOP_TRANSITION 0x00000200
+#define GPO_INFO_FLAG_FORCED_REFRESH 0x00000400
+#define GPO_INFO_FLAG_SAFEMODE_BOOT 0x00000800
+
+#define GPO_VERSION_USER(x) (x >> 16)
+#define GPO_VERSION_MACHINE(x) (x & 0xffff)
+
+struct GROUP_POLICY_OBJECT {
+ uint32_t options; /* GPFLAGS_* */
+ uint32_t version;
+ const char *ds_path;
+ const char *file_sys_path;
+ const char *display_name;
+ const char *name;
+ const char *link;
+ enum GPO_LINK_TYPE link_type;
+ const char *user_extensions;
+ const char *machine_extensions;
+ struct security_descriptor *security_descriptor;
+ struct GROUP_POLICY_OBJECT *next, *prev;
+};
+
+/* the following is seen on the DS (see adssearch.pl for details) */
+
+/* the type field in a 'gPLink', the same as GPO_FLAG ? */
+#define GPO_LINK_OPT_NONE 0x00000000
+#define GPO_LINK_OPT_DISABLED 0x00000001
+#define GPO_LINK_OPT_ENFORCED 0x00000002
+
+/* GPO_LINK_OPT_ENFORCED takes precedence over GPOPTIONS_BLOCK_INHERITANCE */
+
+/* 'gPOptions', maybe a bitmask as well */
+enum GPO_INHERIT {
+ GPOPTIONS_INHERIT = 0,
+ GPOPTIONS_BLOCK_INHERITANCE = 1
+};
+
+/* 'flags' in a 'groupPolicyContainer' object */
+#define GPFLAGS_ALL_ENABLED 0x00000000
+#define GPFLAGS_USER_SETTINGS_DISABLED 0x00000001
+#define GPFLAGS_MACHINE_SETTINGS_DISABLED 0x00000002
+#define GPFLAGS_ALL_DISABLED (GPFLAGS_USER_SETTINGS_DISABLED | \
+ GPFLAGS_MACHINE_SETTINGS_DISABLED)
+
+struct GP_LINK {
+ const char *gp_link; /* raw link name */
+ uint32_t gp_opts; /* inheritance options GPO_INHERIT */
+ uint32_t num_links; /* number of links */
+ char **link_names; /* array of parsed link names */
+ uint32_t *link_opts; /* array of parsed link opts GPO_LINK_OPT_* */
+};
+
+struct GP_EXT {
+ const char *gp_extension; /* raw extension name */
+ uint32_t num_exts;
+ char **extensions;
+ char **extensions_guid;
+ char **snapins;
+ char **snapins_guid;
+ struct GP_EXT *next, *prev;
+};
+
+#define GPO_CACHE_DIR "gpo_cache"
+#define GPT_INI "GPT.INI"
+#define GPO_REFRESH_INTERVAL 60*90
+
+#define GPO_REG_STATE_MACHINE "State\\Machine"
+
+enum gp_reg_action {
+ GP_REG_ACTION_NONE = 0,
+ GP_REG_ACTION_ADD_VALUE = 1,
+ GP_REG_ACTION_ADD_KEY = 2,
+ GP_REG_ACTION_DEL_VALUES = 3,
+ GP_REG_ACTION_DEL_VALUE = 4,
+ GP_REG_ACTION_DEL_ALL_VALUES = 5,
+ GP_REG_ACTION_DEL_KEYS = 6,
+ GP_REG_ACTION_SEC_KEY_SET = 7,
+ GP_REG_ACTION_SEC_KEY_RESET = 8
+};
+
+struct gp_registry_entry {
+ enum gp_reg_action action;
+ const char *key;
+ const char *value;
+ struct registry_value *data;
+};
+
+struct gp_registry_value {
+ const char *value;
+ struct registry_value *data;
+};
+
+struct gp_registry_entry2 {
+ enum gp_reg_action action;
+ const char *key;
+ size_t num_values;
+ struct gp_registry_value **values;
+};
+
+struct gp_registry_entries {
+ size_t num_entries;
+ struct gp_registry_entry **entries;
+};
+
+struct gp_registry_context {
+ const struct nt_user_token *token;
+ const char *path;
+ struct registry_key *curr_key;
+};
+
+#define GP_EXT_GUID_SECURITY "827D319E-6EAC-11D2-A4EA-00C04F79F83A"
+#define GP_EXT_GUID_REGISTRY "35378EAC-683F-11D2-A89A-00C04FBBCFA2"
+#define GP_EXT_GUID_SCRIPTS "42B5FAAE-6536-11D2-AE5A-0000F87571E3"
+
+#include "../libgpo/gpext/gpext.h"
+
+#endif
diff --git a/libgpo/gpo_util.c b/libgpo/gpo_util.c
new file mode 100644
index 0000000000..505400be8c
--- /dev/null
+++ b/libgpo/gpo_util.c
@@ -0,0 +1,872 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Group Policy Object 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.h"
+#undef strdup
+
+#define DEFAULT_DOMAIN_POLICY "Default Domain Policy"
+#define DEFAULT_DOMAIN_CONTROLLERS_POLICY "Default Domain Controllers Policy"
+
+/* should we store a parsed guid ? */
+struct gp_table {
+ const char *name;
+ const char *guid_string;
+};
+
+#if 0 /* unused */
+static struct gp_table gpo_default_policy[] = {
+ { DEFAULT_DOMAIN_POLICY,
+ "31B2F340-016D-11D2-945F-00C04FB984F9" },
+ { DEFAULT_DOMAIN_CONTROLLERS_POLICY,
+ "6AC1786C-016F-11D2-945F-00C04fB984F9" },
+ { NULL, NULL }
+};
+#endif
+
+/* the following is seen in gPCMachineExtensionNames / gPCUserExtensionNames */
+
+static struct gp_table gpo_cse_extensions[] = {
+ /* used to be "Administrative Templates Extension" */
+ /* "Registry Settings"
+ (http://support.microsoft.com/kb/216357/EN-US/) */
+ { "Registry Settings",
+ GP_EXT_GUID_REGISTRY },
+ { "Microsoft Disc Quota",
+ "3610EDA5-77EF-11D2-8DC5-00C04FA31A66" },
+ { "EFS recovery",
+ "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
+ { "Folder Redirection",
+ "25537BA6-77A8-11D2-9B6C-0000F8080861" },
+ { "IP Security",
+ "E437BC1C-AA7D-11D2-A382-00C04F991E27" },
+ { "Internet Explorer Branding",
+ "A2E30F80-D7DE-11d2-BBDE-00C04F86AE3B" },
+ { "QoS Packet Scheduler",
+ "426031c0-0b47-4852-b0ca-ac3d37bfcb39" },
+ { "Scripts",
+ GP_EXT_GUID_SCRIPTS },
+ { "Security",
+ GP_EXT_GUID_SECURITY },
+ { "Software Installation",
+ "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
+ { "Wireless Group Policy",
+ "0ACDD40C-75AC-BAA0-BF6DE7E7FE63" },
+ { "Application Management",
+ "C6DC5466-785A-11D2-84D0-00C04FB169F7" },
+ { "unknown",
+ "3060E8D0-7020-11D2-842D-00C04FA372D4" },
+ { NULL, NULL }
+};
+
+/* guess work */
+static struct gp_table gpo_cse_snapin_extensions[] = {
+ { "Administrative Templates",
+ "0F6B957D-509E-11D1-A7CC-0000F87571E3" },
+ { "Certificates",
+ "53D6AB1D-2488-11D1-A28C-00C04FB94F17" },
+ { "EFS recovery policy processing",
+ "B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A" },
+ { "Folder Redirection policy processing",
+ "25537BA6-77A8-11D2-9B6C-0000F8080861" },
+ { "Folder Redirection",
+ "88E729D6-BDC1-11D1-BD2A-00C04FB9603F" },
+ { "Registry policy processing",
+ "35378EAC-683F-11D2-A89A-00C04FBBCFA2" },
+ { "Remote Installation Services",
+ "3060E8CE-7020-11D2-842D-00C04FA372D4" },
+ { "Security Settings",
+ "803E14A0-B4FB-11D0-A0D0-00A0C90F574B" },
+ { "Security policy processing",
+ "827D319E-6EAC-11D2-A4EA-00C04F79F83A" },
+ { "unknown",
+ "3060E8D0-7020-11D2-842D-00C04FA372D4" },
+ { "unknown2",
+ "53D6AB1B-2488-11D1-A28C-00C04FB94F17" },
+ { NULL, NULL }
+};
+
+/****************************************************************
+****************************************************************/
+
+static const char *name_to_guid_string(const char *name,
+ struct gp_table *table)
+{
+ int i;
+
+ for (i = 0; table[i].name; i++) {
+ if (strequal(name, table[i].name)) {
+ return table[i].guid_string;
+ }
+ }
+
+ return NULL;
+}
+
+/****************************************************************
+****************************************************************/
+
+static const char *guid_string_to_name(const char *guid_string,
+ struct gp_table *table)
+{
+ int i;
+
+ for (i = 0; table[i].guid_string; i++) {
+ if (strequal(guid_string, table[i].guid_string)) {
+ return table[i].name;
+ }
+ }
+
+ return NULL;
+}
+
+/****************************************************************
+****************************************************************/
+
+static const char *snapin_guid_string_to_name(const char *guid_string,
+ struct gp_table *table)
+{
+ int i;
+ for (i = 0; table[i].guid_string; i++) {
+ if (strequal(guid_string, table[i].guid_string)) {
+ return table[i].name;
+ }
+ }
+ return NULL;
+}
+
+#if 0 /* unused */
+static const char *default_gpo_name_to_guid_string(const char *name)
+{
+ return name_to_guid_string(name, gpo_default_policy);
+}
+
+static const char *default_gpo_guid_string_to_name(const char *guid)
+{
+ return guid_string_to_name(guid, gpo_default_policy);
+}
+#endif
+
+/****************************************************************
+****************************************************************/
+
+const char *cse_gpo_guid_string_to_name(const char *guid)
+{
+ return guid_string_to_name(guid, gpo_cse_extensions);
+}
+
+/****************************************************************
+****************************************************************/
+
+const char *cse_gpo_name_to_guid_string(const char *name)
+{
+ return name_to_guid_string(name, gpo_cse_extensions);
+}
+
+/****************************************************************
+****************************************************************/
+
+const char *cse_snapin_gpo_guid_string_to_name(const char *guid)
+{
+ return snapin_guid_string_to_name(guid, gpo_cse_snapin_extensions);
+}
+
+/****************************************************************
+****************************************************************/
+
+void dump_gp_ext(struct GP_EXT *gp_ext, int debuglevel)
+{
+ int lvl = debuglevel;
+ int i;
+
+ if (gp_ext == NULL) {
+ return;
+ }
+
+ DEBUG(lvl,("\t---------------------\n\n"));
+ DEBUGADD(lvl,("\tname:\t\t\t%s\n", gp_ext->gp_extension));
+
+ for (i=0; i< gp_ext->num_exts; i++) {
+
+ DEBUGADD(lvl,("\textension:\t\t\t%s\n",
+ gp_ext->extensions_guid[i]));
+ DEBUGADD(lvl,("\textension (name):\t\t\t%s\n",
+ gp_ext->extensions[i]));
+
+ DEBUGADD(lvl,("\tsnapin:\t\t\t%s\n",
+ gp_ext->snapins_guid[i]));
+ DEBUGADD(lvl,("\tsnapin (name):\t\t\t%s\n",
+ gp_ext->snapins[i]));
+ }
+}
+
+#ifdef HAVE_LDAP
+
+/****************************************************************
+****************************************************************/
+
+void dump_gpo(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ struct GROUP_POLICY_OBJECT *gpo,
+ int debuglevel)
+{
+ int lvl = debuglevel;
+
+ if (gpo == NULL) {
+ return;
+ }
+
+ DEBUG(lvl,("---------------------\n\n"));
+
+ DEBUGADD(lvl,("name:\t\t\t%s\n", gpo->name));
+ DEBUGADD(lvl,("displayname:\t\t%s\n", gpo->display_name));
+ DEBUGADD(lvl,("version:\t\t%d (0x%08x)\n", gpo->version, gpo->version));
+ DEBUGADD(lvl,("version_user:\t\t%d (0x%04x)\n",
+ GPO_VERSION_USER(gpo->version),
+ GPO_VERSION_USER(gpo->version)));
+ DEBUGADD(lvl,("version_machine:\t%d (0x%04x)\n",
+ GPO_VERSION_MACHINE(gpo->version),
+ GPO_VERSION_MACHINE(gpo->version)));
+ DEBUGADD(lvl,("filesyspath:\t\t%s\n", gpo->file_sys_path));
+ DEBUGADD(lvl,("dspath:\t\t%s\n", gpo->ds_path));
+
+ DEBUGADD(lvl,("options:\t\t%d ", gpo->options));
+ switch (gpo->options) {
+ case GPFLAGS_ALL_ENABLED:
+ DEBUGADD(lvl,("GPFLAGS_ALL_ENABLED\n"));
+ break;
+ case GPFLAGS_USER_SETTINGS_DISABLED:
+ DEBUGADD(lvl,("GPFLAGS_USER_SETTINGS_DISABLED\n"));
+ break;
+ case GPFLAGS_MACHINE_SETTINGS_DISABLED:
+ DEBUGADD(lvl,("GPFLAGS_MACHINE_SETTINGS_DISABLED\n"));
+ break;
+ case GPFLAGS_ALL_DISABLED:
+ DEBUGADD(lvl,("GPFLAGS_ALL_DISABLED\n"));
+ break;
+ default:
+ DEBUGADD(lvl,("unknown option: %d\n", gpo->options));
+ break;
+ }
+
+ DEBUGADD(lvl,("link:\t\t\t%s\n", gpo->link));
+ DEBUGADD(lvl,("link_type:\t\t%d ", gpo->link_type));
+ switch (gpo->link_type) {
+ case GP_LINK_UNKOWN:
+ DEBUGADD(lvl,("GP_LINK_UNKOWN\n"));
+ break;
+ case GP_LINK_OU:
+ DEBUGADD(lvl,("GP_LINK_OU\n"));
+ break;
+ case GP_LINK_DOMAIN:
+ DEBUGADD(lvl,("GP_LINK_DOMAIN\n"));
+ break;
+ case GP_LINK_SITE:
+ DEBUGADD(lvl,("GP_LINK_SITE\n"));
+ break;
+ case GP_LINK_MACHINE:
+ DEBUGADD(lvl,("GP_LINK_MACHINE\n"));
+ break;
+ default:
+ break;
+ }
+
+ DEBUGADD(lvl,("machine_extensions:\t%s\n", gpo->machine_extensions));
+
+ if (gpo->machine_extensions) {
+
+ struct GP_EXT *gp_ext = NULL;
+
+ if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
+ &gp_ext)) {
+ return;
+ }
+ dump_gp_ext(gp_ext, lvl);
+ }
+
+ DEBUGADD(lvl,("user_extensions:\t%s\n", gpo->user_extensions));
+
+ if (gpo->user_extensions) {
+
+ struct GP_EXT *gp_ext = NULL;
+
+ if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
+ &gp_ext)) {
+ return;
+ }
+ dump_gp_ext(gp_ext, lvl);
+ }
+
+ DEBUGADD(lvl,("security descriptor:\n"));
+
+ ads_disp_sd(ads, mem_ctx, gpo->security_descriptor);
+}
+
+/****************************************************************
+****************************************************************/
+
+void dump_gpo_list(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ struct GROUP_POLICY_OBJECT *gpo_list,
+ int debuglevel)
+{
+ struct GROUP_POLICY_OBJECT *gpo = NULL;
+
+ for (gpo = gpo_list; gpo; gpo = gpo->next) {
+ dump_gpo(ads, mem_ctx, gpo, debuglevel);
+ }
+}
+
+/****************************************************************
+****************************************************************/
+
+void dump_gplink(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct GP_LINK *gp_link)
+{
+ ADS_STATUS status;
+ int i;
+ int lvl = 10;
+
+ if (gp_link == NULL) {
+ return;
+ }
+
+ DEBUG(lvl,("---------------------\n\n"));
+
+ DEBUGADD(lvl,("gplink: %s\n", gp_link->gp_link));
+ DEBUGADD(lvl,("gpopts: %d ", gp_link->gp_opts));
+ switch (gp_link->gp_opts) {
+ case GPOPTIONS_INHERIT:
+ DEBUGADD(lvl,("GPOPTIONS_INHERIT\n"));
+ break;
+ case GPOPTIONS_BLOCK_INHERITANCE:
+ DEBUGADD(lvl,("GPOPTIONS_BLOCK_INHERITANCE\n"));
+ break;
+ default:
+ break;
+ }
+
+ DEBUGADD(lvl,("num links: %d\n", gp_link->num_links));
+
+ for (i = 0; i < gp_link->num_links; i++) {
+
+ DEBUGADD(lvl,("---------------------\n\n"));
+
+ DEBUGADD(lvl,("link: #%d\n", i + 1));
+ DEBUGADD(lvl,("name: %s\n", gp_link->link_names[i]));
+
+ DEBUGADD(lvl,("opt: %d ", gp_link->link_opts[i]));
+ if (gp_link->link_opts[i] & GPO_LINK_OPT_ENFORCED) {
+ DEBUGADD(lvl,("GPO_LINK_OPT_ENFORCED "));
+ }
+ if (gp_link->link_opts[i] & GPO_LINK_OPT_DISABLED) {
+ DEBUGADD(lvl,("GPO_LINK_OPT_DISABLED"));
+ }
+ DEBUGADD(lvl,("\n"));
+
+ if (ads != NULL && mem_ctx != NULL) {
+
+ struct GROUP_POLICY_OBJECT gpo;
+
+ status = ads_get_gpo(ads, mem_ctx,
+ gp_link->link_names[i],
+ NULL, NULL, &gpo);
+ if (!ADS_ERR_OK(status)) {
+ DEBUG(lvl,("get gpo for %s failed: %s\n",
+ gp_link->link_names[i],
+ ads_errstr(status)));
+ return;
+ }
+ dump_gpo(ads, mem_ctx, &gpo, lvl);
+ }
+ }
+}
+
+#endif /* HAVE_LDAP */
+
+/****************************************************************
+****************************************************************/
+
+static bool gpo_get_gp_ext_from_gpo(TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ struct GROUP_POLICY_OBJECT *gpo,
+ struct GP_EXT **gp_ext)
+{
+ ZERO_STRUCTP(*gp_ext);
+
+ if (flags & GPO_INFO_FLAG_MACHINE) {
+
+ if (gpo->machine_extensions) {
+
+ if (!ads_parse_gp_ext(mem_ctx, gpo->machine_extensions,
+ gp_ext)) {
+ return false;
+ }
+ }
+ } else {
+
+ if (gpo->user_extensions) {
+
+ if (!ads_parse_gp_ext(mem_ctx, gpo->user_extensions,
+ gp_ext)) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+ADS_STATUS gpo_process_a_gpo(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ const struct nt_user_token *token,
+ struct registry_key *root_key,
+ struct GROUP_POLICY_OBJECT *gpo,
+ const char *extension_guid_filter,
+ uint32_t flags)
+{
+ struct GP_EXT *gp_ext = NULL;
+ int i;
+
+ DEBUG(10,("gpo_process_a_gpo: processing gpo %s (%s)\n",
+ gpo->name, gpo->display_name));
+ if (extension_guid_filter) {
+ DEBUGADD(10,("gpo_process_a_gpo: using filter %s (%s)\n",
+ extension_guid_filter,
+ cse_gpo_guid_string_to_name(extension_guid_filter)));
+ }
+
+ if (!gpo_get_gp_ext_from_gpo(mem_ctx, flags, gpo, &gp_ext)) {
+ return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ if (!gp_ext || !gp_ext->num_exts) {
+ if (flags & GPO_INFO_FLAG_VERBOSE) {
+ DEBUG(0,("gpo_process_a_gpo: "
+ "no policies in %s (%s) for this extension\n",
+ gpo->name, gpo->display_name));
+ }
+ return ADS_SUCCESS;
+ }
+
+ for (i=0; i<gp_ext->num_exts; i++) {
+
+ NTSTATUS ntstatus;
+
+ if (extension_guid_filter &&
+ !strequal(extension_guid_filter,
+ gp_ext->extensions_guid[i])) {
+ continue;
+ }
+
+ ntstatus = gpext_process_extension(ads, mem_ctx,
+ flags, token, root_key, gpo,
+ gp_ext->extensions_guid[i],
+ gp_ext->snapins_guid[i]);
+ if (!NT_STATUS_IS_OK(ntstatus)) {
+ ADS_ERROR_NT(ntstatus);
+ }
+ }
+
+ return ADS_SUCCESS;
+}
+
+/****************************************************************
+****************************************************************/
+
+static ADS_STATUS gpo_process_gpo_list_by_ext(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ const struct nt_user_token *token,
+ struct registry_key *root_key,
+ struct GROUP_POLICY_OBJECT *gpo_list,
+ const char *extensions_guid,
+ uint32_t flags)
+{
+ ADS_STATUS status;
+ struct GROUP_POLICY_OBJECT *gpo;
+
+ for (gpo = gpo_list; gpo; gpo = gpo->next) {
+
+ if (gpo->link_type == GP_LINK_LOCAL) {
+ continue;
+ }
+
+
+ /* FIXME: we need to pass down the *list* down to the
+ * extension, otherwise we cannot store the e.g. the *list* of
+ * logon-scripts correctly (for more then one GPO) */
+
+ status = gpo_process_a_gpo(ads, mem_ctx, token, root_key,
+ gpo, extensions_guid, flags);
+
+ if (!ADS_ERR_OK(status)) {
+ DEBUG(0,("failed to process gpo by ext: %s\n",
+ ads_errstr(status)));
+ return status;
+ }
+ }
+
+ return ADS_SUCCESS;
+}
+
+/****************************************************************
+****************************************************************/
+
+ADS_STATUS gpo_process_gpo_list(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ const struct nt_user_token *token,
+ struct GROUP_POLICY_OBJECT *gpo_list,
+ const char *extensions_guid_filter,
+ uint32_t flags)
+{
+ ADS_STATUS status = ADS_SUCCESS;
+ struct gp_extension *gp_ext_list = NULL;
+ struct gp_extension *gp_ext = NULL;
+ struct registry_key *root_key = NULL;
+ struct gp_registry_context *reg_ctx = NULL;
+ WERROR werr;
+
+ status = ADS_ERROR_NT(init_gp_extensions(mem_ctx));
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ gp_ext_list = get_gp_extension_list();
+ if (!gp_ext_list) {
+ return ADS_ERROR_NT(NT_STATUS_DLL_INIT_FAILED);
+ }
+
+ /* get the key here */
+ if (flags & GPO_LIST_FLAG_MACHINE) {
+ werr = gp_init_reg_ctx(mem_ctx, KEY_HKLM, REG_KEY_WRITE,
+ get_system_token(),
+ &reg_ctx);
+ } else {
+ werr = gp_init_reg_ctx(mem_ctx, KEY_HKCU, REG_KEY_WRITE,
+ token,
+ &reg_ctx);
+ }
+ if (!W_ERROR_IS_OK(werr)) {
+ gp_free_reg_ctx(reg_ctx);
+ return ADS_ERROR_NT(werror_to_ntstatus(werr));
+ }
+
+ root_key = reg_ctx->curr_key;
+
+ for (gp_ext = gp_ext_list; gp_ext; gp_ext = gp_ext->next) {
+
+ const char *guid_str = NULL;
+
+ guid_str = GUID_string(mem_ctx, gp_ext->guid);
+ if (!guid_str) {
+ status = ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
+ goto done;
+ }
+
+ if (extensions_guid_filter &&
+ (!strequal(guid_str, extensions_guid_filter))) {
+ continue;
+ }
+
+ DEBUG(0,("-------------------------------------------------\n"));
+ DEBUG(0,("gpo_process_gpo_list: processing ext: %s {%s}\n",
+ gp_ext->name, guid_str));
+
+
+ status = gpo_process_gpo_list_by_ext(ads, mem_ctx, token,
+ root_key, gpo_list,
+ guid_str, flags);
+ if (!ADS_ERR_OK(status)) {
+ goto done;
+ }
+ }
+
+ done:
+ gp_free_reg_ctx(reg_ctx);
+ TALLOC_FREE(root_key);
+ free_gp_extensions();
+
+ return status;
+}
+
+
+/****************************************************************
+ check wether the version number in a GROUP_POLICY_OBJECT match those of the
+ locally stored version. If not, fetch the required policy via CIFS
+****************************************************************/
+
+NTSTATUS check_refresh_gpo(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ struct GROUP_POLICY_OBJECT *gpo,
+ struct cli_state **cli_out)
+{
+ NTSTATUS result;
+ char *server = NULL;
+ char *share = NULL;
+ char *nt_path = NULL;
+ char *unix_path = NULL;
+ uint32_t sysvol_gpt_version = 0;
+ char *display_name = NULL;
+ struct cli_state *cli = NULL;
+
+ result = gpo_explode_filesyspath(mem_ctx, gpo->file_sys_path,
+ &server, &share, &nt_path, &unix_path);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ goto out;
+ }
+
+ result = gpo_get_sysvol_gpt_version(mem_ctx,
+ unix_path,
+ &sysvol_gpt_version,
+ &display_name);
+ if (!NT_STATUS_IS_OK(result) &&
+ !NT_STATUS_EQUAL(result, NT_STATUS_NO_SUCH_FILE)) {
+ DEBUG(10,("check_refresh_gpo: "
+ "failed to get local gpt version: %s\n",
+ nt_errstr(result)));
+ goto out;
+ }
+
+ DEBUG(10,("check_refresh_gpo: versions gpo %d sysvol %d\n",
+ gpo->version, sysvol_gpt_version));
+
+ /* FIXME: handle GPO_INFO_FLAG_FORCED_REFRESH from flags */
+
+ while (gpo->version > sysvol_gpt_version) {
+
+ DEBUG(1,("check_refresh_gpo: need to refresh GPO\n"));
+
+ if (*cli_out == NULL) {
+
+ result = cli_full_connection(&cli,
+ global_myname(),
+ ads->config.ldap_server_name,
+ /* server */
+ NULL, 0,
+ share, "A:",
+ ads->auth.user_name, NULL,
+ ads->auth.password,
+ CLI_FULL_CONNECTION_USE_KERBEROS |
+ CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS,
+ Undefined, NULL);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(10,("check_refresh_gpo: "
+ "failed to connect: %s\n",
+ nt_errstr(result)));
+ goto out;
+ }
+
+ *cli_out = cli;
+ }
+
+ result = gpo_fetch_files(mem_ctx, *cli_out, gpo);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto out;
+ }
+
+ result = gpo_get_sysvol_gpt_version(mem_ctx,
+ unix_path,
+ &sysvol_gpt_version,
+ &display_name);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(10,("check_refresh_gpo: "
+ "failed to get local gpt version: %s\n",
+ nt_errstr(result)));
+ goto out;
+ }
+
+ if (gpo->version == sysvol_gpt_version) {
+ break;
+ }
+ }
+
+ DEBUG(10,("Name:\t\t\t%s (%s)\n", gpo->display_name, gpo->name));
+ DEBUGADD(10,("sysvol GPT version:\t%d (user: %d, machine: %d)\n",
+ sysvol_gpt_version,
+ GPO_VERSION_USER(sysvol_gpt_version),
+ GPO_VERSION_MACHINE(sysvol_gpt_version)));
+ DEBUGADD(10,("LDAP GPO version:\t%d (user: %d, machine: %d)\n",
+ gpo->version,
+ GPO_VERSION_USER(gpo->version),
+ GPO_VERSION_MACHINE(gpo->version)));
+ DEBUGADD(10,("LDAP GPO link:\t\t%s\n", gpo->link));
+
+ result = NT_STATUS_OK;
+
+ out:
+ return result;
+
+}
+
+/****************************************************************
+ check wether the version numbers in the gpo_list match the locally stored, if
+ not, go and get each required GPO via CIFS
+ ****************************************************************/
+
+NTSTATUS check_refresh_gpo_list(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ struct GROUP_POLICY_OBJECT *gpo_list)
+{
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ struct cli_state *cli = NULL;
+ struct GROUP_POLICY_OBJECT *gpo;
+
+ if (!gpo_list) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ for (gpo = gpo_list; gpo; gpo = gpo->next) {
+
+ result = check_refresh_gpo(ads, mem_ctx, flags, gpo, &cli);
+ if (!NT_STATUS_IS_OK(result)) {
+ goto out;
+ }
+ }
+
+ result = NT_STATUS_OK;
+
+ out:
+ if (cli) {
+ cli_shutdown(cli);
+ }
+
+ return result;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gpo_get_unix_path(TALLOC_CTX *mem_ctx,
+ struct GROUP_POLICY_OBJECT *gpo,
+ char **unix_path)
+{
+ char *server, *share, *nt_path;
+ return gpo_explode_filesyspath(mem_ctx, gpo->file_sys_path,
+ &server, &share, &nt_path, unix_path);
+}
+
+/****************************************************************
+****************************************************************/
+
+char *gpo_flag_str(uint32_t flags)
+{
+ fstring str = "";
+
+ if (flags == 0) {
+ return NULL;
+ }
+
+ if (flags & GPO_INFO_FLAG_SLOWLINK)
+ fstrcat(str, "GPO_INFO_FLAG_SLOWLINK ");
+ if (flags & GPO_INFO_FLAG_VERBOSE)
+ fstrcat(str, "GPO_INFO_FLAG_VERBOSE ");
+ if (flags & GPO_INFO_FLAG_SAFEMODE_BOOT)
+ fstrcat(str, "GPO_INFO_FLAG_SAFEMODE_BOOT ");
+ if (flags & GPO_INFO_FLAG_NOCHANGES)
+ fstrcat(str, "GPO_INFO_FLAG_NOCHANGES ");
+ if (flags & GPO_INFO_FLAG_MACHINE)
+ fstrcat(str, "GPO_INFO_FLAG_MACHINE ");
+ if (flags & GPO_INFO_FLAG_LOGRSOP_TRANSITION)
+ fstrcat(str, "GPO_INFO_FLAG_LOGRSOP_TRANSITION ");
+ if (flags & GPO_INFO_FLAG_LINKTRANSITION)
+ fstrcat(str, "GPO_INFO_FLAG_LINKTRANSITION ");
+ if (flags & GPO_INFO_FLAG_FORCED_REFRESH)
+ fstrcat(str, "GPO_INFO_FLAG_FORCED_REFRESH ");
+ if (flags & GPO_INFO_FLAG_BACKGROUND)
+ fstrcat(str, "GPO_INFO_FLAG_BACKGROUND ");
+
+ return strdup(str);
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gp_find_file(TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ const char *filename,
+ const char *suffix,
+ const char **filename_out)
+{
+ const char *tmp = NULL;
+ struct stat sbuf;
+ const char *path = NULL;
+
+ if (flags & GPO_LIST_FLAG_MACHINE) {
+ path = "Machine";
+ } else {
+ path = "User";
+ }
+
+ tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
+ path, suffix);
+ NT_STATUS_HAVE_NO_MEMORY(tmp);
+
+ if (stat(tmp, &sbuf) == 0) {
+ *filename_out = tmp;
+ return NT_STATUS_OK;
+ }
+
+ path = talloc_strdup_upper(mem_ctx, path);
+ NT_STATUS_HAVE_NO_MEMORY(path);
+
+ tmp = talloc_asprintf(mem_ctx, "%s/%s/%s", filename,
+ path, suffix);
+ NT_STATUS_HAVE_NO_MEMORY(tmp);
+
+ if (sys_stat(tmp, &sbuf) == 0) {
+ *filename_out = tmp;
+ return NT_STATUS_OK;
+ }
+
+ return NT_STATUS_NO_SUCH_FILE;
+}
+
+/****************************************************************
+****************************************************************/
+
+ADS_STATUS gp_get_machine_token(ADS_STRUCT *ads,
+ TALLOC_CTX *mem_ctx,
+ const char *dn,
+ struct nt_user_token **token)
+{
+ struct nt_user_token *ad_token = NULL;
+ ADS_STATUS status;
+ NTSTATUS ntstatus;
+
+#ifndef HAVE_ADS
+ return ADS_ERROR_NT(NT_STATUS_NOT_SUPPORTED);
+#endif
+ status = ads_get_sid_token(ads, mem_ctx, dn, &ad_token);
+ if (!ADS_ERR_OK(status)) {
+ return status;
+ }
+
+ ntstatus = merge_nt_token(mem_ctx, ad_token, get_system_token(),
+ token);
+ if (!NT_STATUS_IS_OK(ntstatus)) {
+ return ADS_ERROR_NT(ntstatus);
+ }
+
+ return ADS_SUCCESS;
+}
generated by cgit (git 2.34.1) at 2024-11-22 07:21:50 +0000