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authorWilco Baan Hofman <wilco@baanhofman.nl>2009-04-20 14:57:33 +0200
committerGünther Deschner <gd@samba.org>2009-04-20 23:16:17 +0200
commit933482e64869f5aee2ca0356abb721facfd65943 (patch)
tree36d6f7529233334420f4ab30cda4d8a2f51c8ff3 /libgpo
parent374b47fb45d0a4b0cb24ff4afea9d6e341c2f8b5 (diff)
downloadsamba-933482e64869f5aee2ca0356abb721facfd65943.tar.gz
Move gpo_ini stuff to the main libgpo. Make gpo_ini use a common parser.
It now makes use of lib/util/param.c to parse ini files. Signed-off-by: Günther Deschner <gd@samba.org>
Diffstat (limited to 'libgpo')
-rw-r--r--libgpo/gpo_fetch.c1
-rw-r--r--libgpo/gpo_ini.c269
-rw-r--r--libgpo/gpo_ini.h42
3 files changed, 312 insertions, 0 deletions
diff --git a/libgpo/gpo_fetch.c b/libgpo/gpo_fetch.c
index 8824a7c376c..a5714f7243a 100644
--- a/libgpo/gpo_fetch.c
+++ b/libgpo/gpo_fetch.c
@@ -30,6 +30,7 @@
#include "libcli/libcli_proto.h"
#include "libgpo/ads_convenience.h"
#include "libgpo/gpo_s4.h"
+#include "lib/util/util.h"
#endif
/****************************************************************
diff --git a/libgpo/gpo_ini.c b/libgpo/gpo_ini.c
new file mode 100644
index 00000000000..79bf5fd8d83
--- /dev/null
+++ b/libgpo/gpo_ini.c
@@ -0,0 +1,269 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Group Policy Support
+ * Copyright (C) Guenther Deschner 2007
+ * Copyright (C) Wilco Baan Hofman 2009
+ *
+ * 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 "gpo.h"
+#include "gpo_ini.h"
+#include "system/filesys.h"
+
+
+static bool change_section(const char *section, void *ctx_ptr)
+{
+ struct gp_inifile_context *ctx = (struct gp_inifile_context *) ctx_ptr;
+
+ if (ctx->current_section) {
+ talloc_free(ctx->current_section);
+ }
+ ctx->current_section = talloc_strdup(ctx, section);
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static bool store_keyval_pair(const char *key, const char *value, void *ctx_ptr)
+{
+ struct gp_inifile_context *ctx = (struct gp_inifile_context *) ctx_ptr;
+ ctx->data = talloc_realloc(ctx, ctx->data, struct keyval_pair *, ctx->keyval_count+1);
+ ctx->data[ctx->keyval_count]->key = talloc_asprintf(ctx, "%s:%s", ctx->current_section, key);
+ ctx->data[ctx->keyval_count]->val = talloc_strdup(ctx, value);
+ ctx->keyval_count++;
+ return true;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS convert_file_from_ucs2(TALLOC_CTX *mem_ctx,
+ const char *filename_in,
+ char **filename_out)
+{
+ int tmp_fd = -1;
+ uint8_t *data_in = NULL;
+ uint8_t *data_out = NULL;
+ char *tmp_name = NULL;
+ NTSTATUS status;
+ size_t n = 0;
+ size_t converted_size;
+
+ if (!filename_out) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ data_in = (uint8_t *)file_load(filename_in, &n, 0, NULL);
+ if (!data_in) {
+ status = NT_STATUS_NO_SUCH_FILE;
+ goto out;
+ }
+
+ tmp_name = talloc_asprintf(mem_ctx, "%s/convert_file_from_ucs2.XXXXXX",
+ tmpdir());
+ if (!tmp_name) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+
+ tmp_fd = mkstemp(tmp_name);
+ if (tmp_fd == -1) {
+ status = NT_STATUS_ACCESS_DENIED;
+ goto out;
+ }
+
+ if (!convert_string_talloc(mem_ctx, CH_UTF16LE, CH_UNIX, data_in, n,
+ (void **)&data_out, &converted_size, false))
+ {
+ status = NT_STATUS_INVALID_BUFFER_SIZE;
+ goto out;
+ }
+
+ /* skip utf8 BOM */
+ DEBUG(11,("convert_file_from_ucs2: "
+ "data_out[0]: 0x%x, data_out[1]: 0x%x, data_out[2]: 0x%x\n",
+ data_out[0], data_out[1], data_out[2]));
+
+ if ((data_out[0] == 0xef) && (data_out[1] == 0xbb) &&
+ (data_out[2] == 0xbf)) {
+ DEBUG(11,("convert_file_from_ucs2: "
+ "%s skipping utf8 BOM\n", tmp_name));
+ data_out += 3;
+ converted_size -= 3;
+ }
+
+ if (write(tmp_fd, data_out, converted_size) != converted_size) {
+ status = map_nt_error_from_unix(errno);
+ goto out;
+ }
+
+ *filename_out = tmp_name;
+
+ status = NT_STATUS_OK;
+
+ out:
+ if (tmp_fd != -1) {
+ close(tmp_fd);
+ }
+
+ talloc_free(data_in);
+
+ return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gp_inifile_getstring(struct gp_inifile_context *ctx, const char *key, char **ret)
+{
+ int i;
+
+ for (i = 0; i < ctx->keyval_count; i++) {
+ if (strcmp(ctx->data[i]->key, key) == 0) {
+ *ret = ctx->data[i]->val;
+ return NT_STATUS_OK;
+ }
+ }
+ return NT_STATUS_NOT_FOUND;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gp_inifile_getint(struct gp_inifile_context *ctx, const char *key, int *ret)
+{
+ char *value;
+ NTSTATUS result;
+
+ result = gp_inifile_getstring(ctx,key, &value);
+ if (!NT_STATUS_IS_OK(result)) {
+ return result;
+ }
+
+ *ret = (int)strtol(value, NULL, 10);
+ return NT_STATUS_OK;
+}
+
+/****************************************************************
+****************************************************************/
+
+NTSTATUS gp_inifile_init_context(TALLOC_CTX *mem_ctx,
+ uint32_t flags,
+ const char *unix_path,
+ const char *suffix,
+ struct gp_inifile_context **ctx_ret)
+{
+ struct gp_inifile_context *ctx = NULL;
+ NTSTATUS status;
+ char *tmp_filename = NULL;
+ const char *ini_filename = NULL;
+
+ if (!unix_path || !ctx_ret) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ ctx = talloc_zero(mem_ctx, struct gp_inifile_context);
+ NT_STATUS_HAVE_NO_MEMORY(ctx);
+
+ status = gp_find_file(mem_ctx, flags, unix_path, suffix,
+ &ini_filename);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto failed;
+ }
+
+ status = convert_file_from_ucs2(mem_ctx, ini_filename,
+ &tmp_filename);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto failed;
+ }
+
+ ctx->generated_filename = tmp_filename;
+ ctx->mem_ctx = mem_ctx;
+
+ *ctx_ret = ctx;
+
+ return NT_STATUS_OK;
+
+ failed:
+
+ DEBUG(1,("gp_inifile_init_context failed: %s\n",
+ nt_errstr(status)));
+
+ talloc_free(ctx);
+
+ return status;
+}
+
+/****************************************************************
+ parse the local gpt.ini file
+****************************************************************/
+
+#define GPT_INI_SECTION_GENERAL "General"
+#define GPT_INI_PARAMETER_VERSION "Version"
+#define GPT_INI_PARAMETER_DISPLAYNAME "displayName"
+
+NTSTATUS parse_gpt_ini(struct gp_inifile_context *ctx,
+ const char *filename,
+ uint32_t *version,
+ char **display_name)
+{
+ NTSTATUS result;
+ int rv;
+ int v = 0;
+ char *name = NULL;
+
+ if (!filename) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ rv = pm_process(filename, change_section, store_keyval_pair, NULL);
+ if (!rv) {
+ return NT_STATUS_NO_SUCH_FILE;
+ }
+
+
+ result = gp_inifile_getstring(ctx, GPT_INI_SECTION_GENERAL
+ ":"GPT_INI_PARAMETER_DISPLAYNAME, &name);
+ if (!NT_STATUS_IS_OK(result)) {
+ /* the default domain policy and the default domain controller
+ * policy never have a displayname in their gpt.ini file */
+ DEBUG(10,("parse_gpt_ini: no name in %s\n", filename));
+ }
+
+ if (name && display_name) {
+ *display_name = talloc_strdup(ctx, name);
+ if (*display_name == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ result = gp_inifile_getint(ctx, GPT_INI_SECTION_GENERAL
+ ":"GPT_INI_PARAMETER_VERSION, &v);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(10,("parse_gpt_ini: no version\n"));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ if (version) {
+ *version = v;
+ }
+
+ result = NT_STATUS_OK;
+
+ return result;
+}
diff --git a/libgpo/gpo_ini.h b/libgpo/gpo_ini.h
new file mode 100644
index 00000000000..20588b66645
--- /dev/null
+++ b/libgpo/gpo_ini.h
@@ -0,0 +1,42 @@
+/*
+ * 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/>.
+ */
+
+struct keyval_pair {
+ char *key;
+ char *val;
+};
+
+struct gp_inifile_context {
+ TALLOC_CTX *mem_ctx;
+ uint32_t keyval_count;
+ struct keyval_pair **data;
+ char *current_section;
+ const char *generated_filename;
+};
+
+/* prototypes */
+
+NTSTATUS gp_inifile_init_context(TALLOC_CTX *mem_ctx, uint32_t flags,
+ const char *unix_path, const char *suffix,
+ struct gp_inifile_context **ctx_ret);
+
+NTSTATUS parse_gpt_ini(struct gp_inifile_context *ctx,
+ const char *filename,
+ uint32_t *version,
+ char **display_name);