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-rw-r--r--source3/libgpo/gpext/gpext.c746
-rw-r--r--source3/libgpo/gpext/gpext.h79
-rw-r--r--source3/libgpo/gpext/registry.c643
-rw-r--r--source3/libgpo/gpext/scripts.c443
4 files changed, 1911 insertions, 0 deletions
diff --git a/source3/libgpo/gpext/gpext.c b/source3/libgpo/gpext/gpext.c
new file mode 100644
index 0000000000..2ae9e2cebf
--- /dev/null
+++ b/source3/libgpo/gpext/gpext.c
@@ -0,0 +1,746 @@
+/*
+ * 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"
+
+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_P(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_P(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_P(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_ARRAY(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_ARRAY(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_P(mem_ctx, struct gp_extension_reg_entry);
+ NT_STATUS_HAVE_NO_MEMORY(reg_entry);
+
+ data = TALLOC_ZERO_P(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",
+ dos_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/source3/libgpo/gpext/gpext.h b/source3/libgpo/gpext/gpext.h
new file mode 100644
index 0000000000..0f0445701d
--- /dev/null
+++ b/source3/libgpo/gpext/gpext.h
@@ -0,0 +1,79 @@
+/*
+ * 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/>.
+ */
+
+#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);
+};
diff --git a/source3/libgpo/gpext/registry.c b/source3/libgpo/gpext/registry.c
new file mode 100644
index 0000000000..188a48ab49
--- /dev/null
+++ b/source3/libgpo/gpext/registry.c
@@ -0,0 +1,643 @@
+/*
+ * 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"
+
+#define GP_EXT_NAME "registry"
+
+/* more info can be found at:
+ * http://msdn2.microsoft.com/en-us/library/aa374407.aspx */
+
+#define GP_REGPOL_FILE "Registry.pol"
+
+#define GP_REGPOL_FILE_SIGNATURE 0x67655250 /* 'PReg' */
+#define GP_REGPOL_FILE_VERSION 1
+
+static TALLOC_CTX *ctx = NULL;
+
+struct gp_registry_file_header {
+ uint32_t signature;
+ uint32_t version;
+};
+
+struct gp_registry_file_entry {
+ UNISTR key;
+ UNISTR value;
+ enum winreg_Type type;
+ size_t size;
+ uint8_t *data;
+};
+
+struct gp_registry_file {
+ struct gp_registry_file_header header;
+ size_t num_entries;
+ struct gp_registry_entry *entries;
+};
+
+/****************************************************************
+****************************************************************/
+
+static bool reg_parse_header(const char *desc,
+ struct gp_registry_file_header *header,
+ prs_struct *ps,
+ int depth)
+{
+ if (!header)
+ return false;
+
+ prs_debug(ps, depth, desc, "reg_parse_header");
+ depth++;
+
+ if (!prs_uint32("signature", ps, depth, &header->signature))
+ return false;
+
+ if (!prs_uint32("version", ps, depth, &header->version))
+ return false;
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool reg_parse_and_verify_ucs2_char(const char *desc,
+ char character,
+ prs_struct *ps,
+ int depth)
+{
+ uint16_t tmp;
+
+ if (!prs_uint16(desc, ps, depth, &tmp))
+ return false;
+
+ if (tmp != UCS2_CHAR(character))
+ return false;
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool reg_parse_init(prs_struct *ps, int depth)
+{
+ return reg_parse_and_verify_ucs2_char("initiator '['", '[',
+ ps, depth);
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool reg_parse_sep(prs_struct *ps, int depth)
+{
+ return reg_parse_and_verify_ucs2_char("separator ';'", ';',
+ ps, depth);
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool reg_parse_term(prs_struct *ps, int depth)
+{
+ return reg_parse_and_verify_ucs2_char("terminator ']'", ']',
+ ps, depth);
+}
+
+
+/****************************************************************
+* [key;value;type;size;data]
+****************************************************************/
+
+static bool reg_parse_entry(TALLOC_CTX *mem_ctx,
+ const char *desc,
+ struct gp_registry_file_entry *entry,
+ prs_struct *ps,
+ int depth)
+{
+ uint32_t size = 0;
+
+ if (!entry)
+ return false;
+
+ prs_debug(ps, depth, desc, "reg_parse_entry");
+ depth++;
+
+ ZERO_STRUCTP(entry);
+
+ if (!reg_parse_init(ps, depth))
+ return false;
+
+ if (!prs_unistr("key", ps, depth, &entry->key))
+ return false;
+
+ if (!reg_parse_sep(ps, depth))
+ return false;
+
+ if (!prs_unistr("value", ps, depth, &entry->value))
+ return false;
+
+ if (!reg_parse_sep(ps, depth))
+ return false;
+
+ if (!prs_uint32("type", ps, depth, &entry->type))
+ return false;
+
+ if (!reg_parse_sep(ps, depth))
+ return false;
+
+ if (!prs_uint32("size", ps, depth, &size))
+ return false;
+
+ entry->size = size;
+
+ if (!reg_parse_sep(ps, depth))
+ return false;
+
+ if (entry->size) {
+ entry->data = TALLOC_ZERO_ARRAY(mem_ctx, uint8, entry->size);
+ if (!entry->data)
+ return false;
+ }
+
+ if (!prs_uint8s(false, "data", ps, depth, entry->data, entry->size))
+ return false;
+
+ if (!reg_parse_term(ps, depth))
+ return false;
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool reg_parse_value(TALLOC_CTX *mem_ctx,
+ char **value,
+ enum gp_reg_action *action)
+{
+ if (!*value) {
+ *action = GP_REG_ACTION_ADD_KEY;
+ return true;
+ }
+
+ if (strncmp(*value, "**", 2) != 0) {
+ *action = GP_REG_ACTION_ADD_VALUE;
+ return true;
+ }
+
+ if (strnequal(*value, "**DelVals.", 10)) {
+ *action = GP_REG_ACTION_DEL_ALL_VALUES;
+ return true;
+ }
+
+ if (strnequal(*value, "**Del.", 6)) {
+ *value = talloc_strdup(mem_ctx, *value + 6);
+ *action = GP_REG_ACTION_DEL_VALUE;
+ return true;
+ }
+
+ if (strnequal(*value, "**SecureKey", 11)) {
+ if (strnequal(*value, "**SecureKey=1", 13)) {
+ *action = GP_REG_ACTION_SEC_KEY_SET;
+ return true;
+ }
+
+ /*************** not tested from here on ***************/
+ if (strnequal(*value, "**SecureKey=0", 13)) {
+ smb_panic("not supported: **SecureKey=0");
+ *action = GP_REG_ACTION_SEC_KEY_RESET;
+ return true;
+ }
+ DEBUG(0,("unknown: SecureKey: %s\n", *value));
+ smb_panic("not supported SecureKey method");
+ return false;
+ }
+
+ if (strnequal(*value, "**DeleteValues", strlen("**DeleteValues"))) {
+ smb_panic("not supported: **DeleteValues");
+ *action = GP_REG_ACTION_DEL_VALUES;
+ return false;
+ }
+
+ if (strnequal(*value, "**DeleteKeys", strlen("**DeleteKeys"))) {
+ smb_panic("not supported: **DeleteKeys");
+ *action = GP_REG_ACTION_DEL_KEYS;
+ return false;
+ }
+
+ DEBUG(0,("unknown value: %s\n", *value));
+ smb_panic(*value);
+ return false;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool gp_reg_entry_from_file_entry(TALLOC_CTX *mem_ctx,
+ struct gp_registry_file_entry *file_entry,
+ struct gp_registry_entry **reg_entry)
+{
+ struct registry_value *data = NULL;
+ struct gp_registry_entry *entry = NULL;
+ char *key = NULL;
+ char *value = NULL;
+ enum gp_reg_action action = GP_REG_ACTION_NONE;
+ size_t converted_size;
+
+ ZERO_STRUCTP(*reg_entry);
+
+ data = TALLOC_ZERO_P(mem_ctx, struct registry_value);
+ if (!data)
+ return false;
+
+ if (strlen_w((const smb_ucs2_t *)file_entry->key.buffer) <= 0)
+ return false;
+
+ if (!pull_ucs2_talloc(mem_ctx, &key, file_entry->key.buffer,
+ &converted_size))
+ {
+ return false;
+ }
+
+ if (strlen_w((const smb_ucs2_t *)file_entry->value.buffer) > 0 &&
+ !pull_ucs2_talloc(mem_ctx, &value, file_entry->value.buffer,
+ &converted_size))
+ {
+ return false;
+ }
+
+ if (!reg_parse_value(mem_ctx, &value, &action))
+ return false;
+
+ data->type = file_entry->type;
+
+ switch (data->type) {
+ case REG_DWORD:
+ data->v.dword = atoi((char *)file_entry->data);
+ break;
+ case REG_BINARY:
+ data->v.binary = data_blob_talloc(mem_ctx,
+ file_entry->data,
+ file_entry->size);
+ break;
+ case REG_NONE:
+ break;
+ case REG_SZ:
+ if (!pull_ucs2_talloc(mem_ctx, &data->v.sz.str,
+ (const smb_ucs2_t *)
+ file_entry->data,
+ &data->v.sz.len)) {
+ data->v.sz.len = -1;
+ }
+
+ break;
+ case REG_DWORD_BIG_ENDIAN:
+ case REG_EXPAND_SZ:
+ case REG_LINK:
+ case REG_MULTI_SZ:
+ case REG_QWORD:
+/* case REG_DWORD_LITTLE_ENDIAN: */
+/* case REG_QWORD_LITTLE_ENDIAN: */
+ printf("not yet implemented: %d\n", data->type);
+ return false;
+ default:
+ printf("invalid reg type defined: %d\n", data->type);
+ return false;
+
+ }
+
+ entry = TALLOC_ZERO_P(mem_ctx, struct gp_registry_entry);
+ if (!entry)
+ return false;
+
+ entry->key = key;
+ entry->value = value;
+ entry->data = data;
+ entry->action = action;
+
+ *reg_entry = entry;
+
+ return true;
+}
+
+/****************************************************************
+* [key;value;type;size;data][key;value;type;size;data]...
+****************************************************************/
+
+static bool reg_parse_entries(TALLOC_CTX *mem_ctx,
+ const char *desc,
+ struct gp_registry_entry **entries,
+ size_t *num_entries,
+ prs_struct *ps,
+ int depth)
+{
+
+ if (!entries || !num_entries)
+ return false;
+
+ prs_debug(ps, depth, desc, "reg_parse_entries");
+ depth++;
+
+ *entries = NULL;
+ *num_entries = 0;
+
+ while (ps->buffer_size > ps->data_offset) {
+
+ struct gp_registry_file_entry f_entry;
+ struct gp_registry_entry *r_entry = NULL;
+
+ if (!reg_parse_entry(mem_ctx, desc, &f_entry,
+ ps, depth))
+ return false;
+
+ if (!gp_reg_entry_from_file_entry(mem_ctx,
+ &f_entry,
+ &r_entry))
+ return false;
+
+ if (!add_gp_registry_entry_to_array(mem_ctx,
+ r_entry,
+ entries,
+ num_entries))
+ return false;
+ }
+
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS reg_parse_registry(TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ const char *filename,
+ struct gp_registry_entry **entries,
+ size_t *num_entries)
+{
+ uint16_t *buf = NULL;
+ size_t n = 0;
+ NTSTATUS status;
+ prs_struct ps;
+ struct gp_registry_file *reg_file;
+ const char *real_filename = NULL;
+
+ reg_file = TALLOC_ZERO_P(mem_ctx, struct gp_registry_file);
+ NT_STATUS_HAVE_NO_MEMORY(reg_file);
+
+ status = gp_find_file(mem_ctx,
+ flags,
+ filename,
+ GP_REGPOL_FILE,
+ &real_filename);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(reg_file);
+ return status;
+ }
+
+ buf = (uint16 *)file_load(real_filename, &n, 0);
+ if (!buf) {
+ TALLOC_FREE(reg_file);
+ return NT_STATUS_CANNOT_LOAD_REGISTRY_FILE;
+ }
+
+ if (!prs_init(&ps, n, mem_ctx, UNMARSHALL)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ if (!prs_copy_data_in(&ps, (char *)buf, n)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ prs_set_offset(&ps, 0);
+
+ if (!reg_parse_header("header", &reg_file->header, &ps, 0)) {
+ status = NT_STATUS_REGISTRY_IO_FAILED;
+ goto out;
+ }
+
+ if (reg_file->header.signature != GP_REGPOL_FILE_SIGNATURE) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto out;
+ }
+
+ if (reg_file->header.version != GP_REGPOL_FILE_VERSION) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto out;
+ }
+
+ if (!reg_parse_entries(mem_ctx, "entries", &reg_file->entries,
+ &reg_file->num_entries, &ps, 0)) {
+ status = NT_STATUS_REGISTRY_IO_FAILED;
+ goto out;
+ }
+
+ *entries = reg_file->entries;
+ *num_entries = reg_file->num_entries;
+
+ status = NT_STATUS_OK;
+
+ out:
+ SAFE_FREE(buf);
+ prs_mem_free(&ps);
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR reg_apply_registry(TALLOC_CTX *mem_ctx,
+ const struct nt_user_token *token,
+ struct registry_key *root_key,
+ uint32_t flags,
+ struct gp_registry_entry *entries,
+ size_t num_entries)
+{
+ struct gp_registry_context *reg_ctx = NULL;
+ WERROR werr;
+ size_t i;
+
+ if (num_entries == 0) {
+ return WERR_OK;
+ }
+
+#if 0
+ 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);
+ }
+ W_ERROR_NOT_OK_RETURN(werr);
+#endif
+ for (i=0; i<num_entries; i++) {
+
+ /* FIXME: maybe we should check here if we attempt to go beyond
+ * the 4 allowed reg keys */
+
+ werr = reg_apply_registry_entry(mem_ctx, root_key,
+ reg_ctx,
+ &(entries)[i],
+ token, flags);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0,("failed to apply registry: %s\n",
+ dos_errstr(werr)));
+ goto done;
+ }
+ }
+
+done:
+ gp_free_reg_ctx(reg_ctx);
+ return werr;
+}
+
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS registry_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 status;
+ WERROR werr;
+ struct gp_registry_entry *entries = NULL;
+ size_t num_entries = 0;
+ char *unix_path = NULL;
+
+ debug_gpext_header(0, "registry_process_group_policy", flags, gpo,
+ extension_guid, snapin_guid);
+
+ status = gpo_get_unix_path(mem_ctx, gpo, &unix_path);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ status = reg_parse_registry(mem_ctx,
+ flags,
+ unix_path,
+ &entries,
+ &num_entries);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("failed to parse registry: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+
+ dump_reg_entries(flags, "READ", entries, num_entries);
+
+ werr = reg_apply_registry(mem_ctx, token, root_key, flags,
+ entries, num_entries);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0,("failed to apply registry: %s\n",
+ dos_errstr(werr)));
+ return werror_to_ntstatus(werr);
+ }
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS registry_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[] = {
+ { "ProcessGroupPolicy", REG_SZ, "registry_process_group_policy" },
+ { NULL, REG_NONE, NULL }
+ };
+
+ info = TALLOC_ZERO_P(mem_ctx, struct gp_extension_reg_info);
+ NT_STATUS_HAVE_NO_MEMORY(info);
+
+ status = gp_ext_info_add_entry(mem_ctx, GP_EXT_NAME,
+ GP_EXT_GUID_REGISTRY,
+ table, info);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ *reg_info = info;
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS registry_initialize(TALLOC_CTX *mem_ctx)
+{
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS registry_shutdown(void)
+{
+ NTSTATUS status;
+
+ status = 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 registry_methods = {
+ .initialize = registry_initialize,
+ .process_group_policy = registry_process_group_policy,
+ .get_reg_config = registry_get_reg_config,
+ .shutdown = registry_shutdown
+};
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gpext_registry_init(void)
+{
+ NTSTATUS status;
+
+ ctx = talloc_init("gpext_registry_init");
+ NT_STATUS_HAVE_NO_MEMORY(ctx);
+
+ status = register_gp_extension(ctx, SMB_GPEXT_INTERFACE_VERSION,
+ GP_EXT_NAME, GP_EXT_GUID_REGISTRY,
+ &registry_methods);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(ctx);
+ }
+
+ return status;
+}
diff --git a/source3/libgpo/gpext/scripts.c b/source3/libgpo/gpext/scripts.c
new file mode 100644
index 0000000000..c07407c3f0
--- /dev/null
+++ b/source3/libgpo/gpext/scripts.c
@@ -0,0 +1,443 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Group Policy Support
+ * Copyright (C) Guenther Deschner 2007
+ *
+ * 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"
+
+#define GP_EXT_NAME "scripts"
+
+#define KEY_GP_SCRIPTS "Software\\Policies\\Microsoft\\Windows\\System\\Scripts"
+
+#define GP_SCRIPTS_INI "Scripts/scripts.ini"
+
+#define GP_SCRIPTS_INI_STARTUP "Startup"
+#define GP_SCRIPTS_INI_SHUTDOWN "Shutdown"
+#define GP_SCRIPTS_INI_LOGON "Logon"
+#define GP_SCRIPTS_INI_LOGOFF "Logoff"
+
+#define GP_SCRIPTS_SECTION_CMDLINE "cmdline"
+#define GP_SCRIPTS_SECTION_PARAMETERS "parameters"
+
+#define GP_SCRIPTS_REG_VAL_SCRIPT "Script"
+#define GP_SCRIPTS_REG_VAL_PARAMETERS "Parameters"
+#define GP_SCRIPTS_REG_VAL_EXECTIME "ExecTime"
+
+static TALLOC_CTX *ctx = NULL;
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS scripts_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[] = {
+ { "ProcessGroupPolicy", REG_SZ, "scripts_process_group_policy" },
+ { "NoGPOListChanges", REG_DWORD, "1" },
+ { "NoSlowLink", REG_DWORD, "1" },
+ { "NotifyLinkTransition", REG_DWORD, "1" },
+ { NULL, REG_NONE, NULL },
+ };
+
+ info = TALLOC_ZERO_P(mem_ctx, struct gp_extension_reg_info);
+ NT_STATUS_HAVE_NO_MEMORY(info);
+
+ status = gp_ext_info_add_entry(mem_ctx, GP_EXT_NAME,
+ GP_EXT_GUID_SCRIPTS,
+ table, info);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ *reg_info = info;
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS generate_gp_registry_entry(TALLOC_CTX *mem_ctx,
+ const char *key,
+ const char *value,
+ uint32_t data_type,
+ const void *data_p,
+ enum gp_reg_action action,
+ struct gp_registry_entry **entry_out)
+{
+ struct gp_registry_entry *entry = NULL;
+ struct registry_value *data = NULL;
+
+ entry = TALLOC_ZERO_P(mem_ctx, struct gp_registry_entry);
+ NT_STATUS_HAVE_NO_MEMORY(entry);
+
+ data = TALLOC_ZERO_P(mem_ctx, struct registry_value);
+ NT_STATUS_HAVE_NO_MEMORY(data);
+
+ data->type = data_type;
+ switch (data->type) {
+ case REG_QWORD:
+ data->v.qword = (uint64_t)data_p;
+ break;
+ case REG_SZ:
+ data->v.sz.str = talloc_strdup(mem_ctx, (char *)data_p);
+ data->v.sz.len = strlen(data->v.sz.str);
+ break;
+ default:
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ entry->key = key;
+ entry->data = data;
+ entry->action = action;
+ entry->value = talloc_strdup(mem_ctx, value);
+ NT_STATUS_HAVE_NO_MEMORY(entry->value);
+
+ *entry_out = entry;
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS scripts_parse_ini_section(struct gp_inifile_context *ini_ctx,
+ uint32_t flags,
+ const char *section,
+ struct gp_registry_entry **entries,
+ size_t *num_entries)
+{
+ NTSTATUS status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ int i = 0;
+
+ while (1) {
+
+ const char *key = NULL;
+ const char *script = NULL;
+ const char *count = NULL;
+ const char *parameters = NULL;
+
+ count = talloc_asprintf(ini_ctx->mem_ctx, "%d", i);
+ NT_STATUS_HAVE_NO_MEMORY(count);
+
+ key = talloc_asprintf(ini_ctx->mem_ctx, "%s:%s%s",
+ section, count,
+ GP_SCRIPTS_SECTION_CMDLINE);
+ NT_STATUS_HAVE_NO_MEMORY(key);
+
+ script = iniparser_getstring(ini_ctx->dict, key, NULL);
+ if (!script) {
+ break;
+ }
+
+ key = talloc_asprintf(ini_ctx->mem_ctx, "%s:%s%s",
+ section, count,
+ GP_SCRIPTS_SECTION_PARAMETERS);
+ NT_STATUS_HAVE_NO_MEMORY(key);
+
+ parameters = iniparser_getstring(ini_ctx->dict, key, NULL);
+
+ {
+ struct gp_registry_entry *entry = NULL;
+ status = generate_gp_registry_entry(ini_ctx->mem_ctx,
+ count,
+ GP_SCRIPTS_REG_VAL_SCRIPT,
+ REG_SZ,
+ script,
+ GP_REG_ACTION_ADD_VALUE,
+ &entry);
+ NT_STATUS_NOT_OK_RETURN(status);
+ if (!add_gp_registry_entry_to_array(ini_ctx->mem_ctx,
+ entry,
+ entries,
+ num_entries)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ {
+ struct gp_registry_entry *entry = NULL;
+ status = generate_gp_registry_entry(ini_ctx->mem_ctx,
+ count,
+ GP_SCRIPTS_REG_VAL_PARAMETERS,
+ REG_SZ,
+ parameters,
+ GP_REG_ACTION_ADD_VALUE,
+ &entry);
+ NT_STATUS_NOT_OK_RETURN(status);
+ if (!add_gp_registry_entry_to_array(ini_ctx->mem_ctx,
+ entry,
+ entries,
+ num_entries)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ {
+ struct gp_registry_entry *entry = NULL;
+ status = generate_gp_registry_entry(ini_ctx->mem_ctx,
+ count,
+ GP_SCRIPTS_REG_VAL_EXECTIME,
+ REG_QWORD,
+ 0,
+ GP_REG_ACTION_ADD_VALUE,
+ &entry);
+ NT_STATUS_NOT_OK_RETURN(status);
+ if (!add_gp_registry_entry_to_array(ini_ctx->mem_ctx,
+ entry,
+ entries,
+ num_entries)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+ status = NT_STATUS_OK;
+ i++;
+ }
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR scripts_store_reg_gpovals(TALLOC_CTX *mem_ctx,
+ struct registry_key *key,
+ struct GROUP_POLICY_OBJECT *gpo)
+{
+ WERROR werr;
+
+ if (!key || !gpo) {
+ return WERR_INVALID_PARAM;
+ }
+
+ werr = gp_store_reg_val_sz(mem_ctx, key, "DisplayName",
+ gpo->display_name);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ werr = gp_store_reg_val_sz(mem_ctx, key, "FileSysPath",
+ gpo->file_sys_path);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ werr = gp_store_reg_val_sz(mem_ctx, key, "GPO-ID",
+ gpo->ds_path);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ werr = gp_store_reg_val_sz(mem_ctx, key, "GPOName",
+ gpo->name);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ werr = gp_store_reg_val_sz(mem_ctx, key, "SOM-ID",
+ gpo->link);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static WERROR scripts_apply(TALLOC_CTX *mem_ctx,
+ const struct nt_user_token *token,
+ struct registry_key *root_key,
+ uint32_t flags,
+ const char *section,
+ struct GROUP_POLICY_OBJECT *gpo,
+ struct gp_registry_entry *entries,
+ size_t num_entries)
+{
+ struct gp_registry_context *reg_ctx = NULL;
+ WERROR werr;
+ size_t i;
+ const char *keystr = NULL;
+ int count = 0;
+
+ if (num_entries == 0) {
+ return WERR_OK;
+ }
+
+#if 0
+ if (flags & GPO_INFO_FLAG_MACHINE) {
+ struct nt_user_token *tmp_token;
+
+ tmp_token = registry_create_system_token(mem_ctx);
+ W_ERROR_HAVE_NO_MEMORY(tmp_token);
+
+ werr = gp_init_reg_ctx(mem_ctx, KEY_HKLM, REG_KEY_WRITE,
+ tmp_token,
+ &reg_ctx);
+ } else {
+ werr = gp_init_reg_ctx(mem_ctx, KEY_HKCU, REG_KEY_WRITE,
+ token,
+ &reg_ctx);
+ }
+ W_ERROR_NOT_OK_RETURN(werr);
+#endif
+
+ keystr = talloc_asprintf(mem_ctx, "%s\\%s\\%d", KEY_GP_SCRIPTS,
+ section, count++);
+ W_ERROR_HAVE_NO_MEMORY(keystr);
+
+ reg_deletekey_recursive(mem_ctx, root_key, keystr);
+
+ werr = gp_store_reg_subkey(mem_ctx, keystr,
+ root_key, &root_key);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ werr = scripts_store_reg_gpovals(mem_ctx, root_key, gpo);
+ if (!W_ERROR_IS_OK(werr)) {
+ goto done;
+ }
+
+ for (i=0; i<num_entries; i++) {
+
+ werr = reg_apply_registry_entry(mem_ctx, root_key, reg_ctx,
+ &(entries)[i],
+ token, flags);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0,("failed to apply registry: %s\n",
+ dos_errstr(werr)));
+ goto done;
+ }
+ }
+
+ done:
+ gp_free_reg_ctx(reg_ctx);
+ return werr;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS scripts_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 status;
+ WERROR werr;
+ int i = 0;
+ char *unix_path = NULL;
+ struct gp_inifile_context *ini_ctx = NULL;
+ struct gp_registry_entry *entries = NULL;
+ size_t num_entries = 0;
+ const char *list[] = {
+ GP_SCRIPTS_INI_STARTUP,
+ GP_SCRIPTS_INI_SHUTDOWN,
+ GP_SCRIPTS_INI_LOGON,
+ GP_SCRIPTS_INI_LOGOFF
+ };
+
+ debug_gpext_header(0, "scripts_process_group_policy", flags, gpo,
+ extension_guid, snapin_guid);
+
+ status = gpo_get_unix_path(mem_ctx, gpo, &unix_path);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ status = gp_inifile_init_context(mem_ctx, flags, unix_path,
+ GP_SCRIPTS_INI, &ini_ctx);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ for (i = 0; i < ARRAY_SIZE(list); i++) {
+
+ TALLOC_FREE(entries);
+ num_entries = 0;
+
+ status = scripts_parse_ini_section(ini_ctx, flags, list[i],
+ &entries, &num_entries);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ continue;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ dump_reg_entries(flags, "READ", entries, num_entries);
+
+ werr = scripts_apply(ini_ctx->mem_ctx, token, root_key,
+ flags, list[i], gpo, entries, num_entries);
+ if (!W_ERROR_IS_OK(werr)) {
+ continue; /* FIXME: finally fix storing emtpy strings and REG_QWORD! */
+ TALLOC_FREE(ini_ctx);
+ return werror_to_ntstatus(werr);
+ }
+ }
+
+ TALLOC_FREE(ini_ctx);
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS scripts_initialize(TALLOC_CTX *mem_ctx)
+{
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS scripts_shutdown(void)
+{
+ NTSTATUS status;
+
+ status = 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 scripts_methods = {
+ .initialize = scripts_initialize,
+ .process_group_policy = scripts_process_group_policy,
+ .get_reg_config = scripts_get_reg_config,
+ .shutdown = scripts_shutdown
+};
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gpext_scripts_init(void)
+{
+ NTSTATUS status;
+
+ ctx = talloc_init("gpext_scripts_init");
+ NT_STATUS_HAVE_NO_MEMORY(ctx);
+
+ status = register_gp_extension(ctx, SMB_GPEXT_INTERFACE_VERSION,
+ GP_EXT_NAME, GP_EXT_GUID_SCRIPTS,
+ &scripts_methods);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(ctx);
+ }
+
+ return status;
+}
generated by cgit (git 2.34.1) at 2025-01-28 16:54:01 +0000