diff options
Diffstat (limited to 'source3/libgpo/gpo_ini.c')
| -rw-r--r-- | source3/libgpo/gpo_ini.c | 245 |
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..edca85530b --- /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 = -1; + uint8 *data_in = NULL; + uint8 *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 *)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 = smb_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 (sys_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_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; +} |