r24416: Some more minor edits for libgpo, mostly reformatting and moving of functions.

Guenther
(This used to be commit 3e240672b431b7132dfb2bdd46198ab758eadd0b)

1 files changed, 245 insertions, 0 deletions

diff --git a/source3/libgpo/gpo_ini.c b/source3/libgpo/gpo_ini.c
new file mode 100644
index 0000000000..306d6f9bec
--- /dev/null
+++ b/source3/libgpo/gpo_ini.c
@@ -0,0 +1,245 @@
+/*
+ *  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 "gpo_ini.h"
+
+/****************************************************************
+****************************************************************/
+
+static int gp_inifile_free_context(struct gp_inifile_context *ctx)
+{
+	if (!ctx) {
+		return 0;
+	}
+
+	if (ctx->generated_filename) {
+		unlink(ctx->generated_filename);
+		ctx->generated_filename = NULL;
+	}
+
+	if (ctx->dict) {
+		iniparser_freedict(ctx->dict);
+		ctx->dict = NULL;
+	}
+
+	ctx = NULL;
+
+	return 0;
+}
+
+/****************************************************************
+****************************************************************/
+
+static NTSTATUS convert_file_from_ucs2(TALLOC_CTX *mem_ctx,
+				       const char *filename_in,
+				       char **filename_out)
+{
+	int tmp_fd = 0;
+	uint8 *data_in = NULL;
+	uint8 *data_out = NULL;
+	char *tmp_name = NULL;
+	NTSTATUS status;
+	size_t n = 0;
+
+	if (!filename_out) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	data_in = (uint8 *)file_load(filename_in, &n, 0);
+	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 = smb_mkstemp(tmp_name);
+	if (tmp_fd == -1) {
+		status = NT_STATUS_ACCESS_DENIED;
+		goto out;
+	}
+
+	n = convert_string_talloc(mem_ctx, CH_UTF16LE, CH_UNIX,
+				  data_in, n, &data_out, False);
+
+	if (n == -1) {
+		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;
+		n -= 3;
+	}
+
+	if (sys_write(tmp_fd, data_out, n) != n) {
+		status = map_nt_error_from_unix(errno);
+		goto out;
+	}
+
+	*filename_out = tmp_name;
+
+	status = NT_STATUS_OK;
+
+ out:
+	if (tmp_fd) {
+		close(tmp_fd);
+	}
+
+	SAFE_FREE(data_in);
+
+	return status;
+}
+
+/****************************************************************
+****************************************************************/
+
+ 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;
+	dictionary *dict = NULL;
+	char *tmp_filename = NULL;
+	const char *ini_filename = NULL;
+
+	if (!unix_path || !ctx_ret) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	ctx = TALLOC_ZERO_P(mem_ctx, struct gp_inifile_context);
+	NT_STATUS_HAVE_NO_MEMORY(ctx);
+
+	talloc_set_destructor(ctx, gp_inifile_free_context);
+
+	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;
+	}
+
+	dict = iniparser_load(tmp_filename);
+	if (!dict) {
+		status = NT_STATUS_NO_SUCH_FILE;
+		goto failed;
+	}
+
+	ctx->generated_filename = tmp_filename;
+	ctx->dict = dict;
+	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(TALLOC_CTX *mem_ctx,
+		       const char *filename,
+		       uint32_t *version,
+		       char **display_name)
+{
+	NTSTATUS result;
+	uint32_t v = 0;
+	char *name = NULL;
+	dictionary *dict = NULL;
+
+	if (!filename) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	dict = iniparser_load(filename);
+	if (!dict) {
+		return NT_STATUS_NO_SUCH_FILE;
+	}
+
+	if ((name = iniparser_getstring(dict, GPT_INI_SECTION_GENERAL
+			":"GPT_INI_PARAMETER_DISPLAYNAME, NULL)) == NULL) {
+		/* 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(mem_ctx, name);
+		if (*display_name == NULL) {
+			result = NT_STATUS_NO_MEMORY;
+			goto out;
+		}
+	}
+
+	if ((v = iniparser_getint(dict, GPT_INI_SECTION_GENERAL
+			":"GPT_INI_PARAMETER_VERSION, Undefined)) == Undefined) {
+		DEBUG(10,("parse_gpt_ini: no version\n"));
+		result = NT_STATUS_INTERNAL_DB_CORRUPTION;
+		goto out;
+	}
+
+	if (version) {
+		*version = v;
+	}
+
+	result = NT_STATUS_OK;
+ out:
+ 	if (dict) {
+		iniparser_freedict(dict);
+	}
+
+	return result;
+}