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7a1128cb9a
Note that memcmp() doesn't work well with padding bytes. So avoid it!
(gdb) ptype/o struct poptOption
/* offset | size */ type = struct poptOption {
/* 0 | 8 */ const char *longName;
/* 8 | 1 */ char shortName;
/* XXX 3-byte hole */
/* 12 | 4 */ unsigned int argInfo;
/* 16 | 8 */ void *arg;
/* 24 | 4 */ int val;
/* XXX 4-byte hole */
/* 32 | 8 */ const char *descrip;
/* 40 | 8 */ const char *argDescrip;
/* total size (bytes): 48 */
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit c2c7c1f50a)
143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
/*
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ldb database library - samba extensions
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Copyright (C) Andrew Tridgell 2010
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** NOTE! The following LGPL license applies to the ldb
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** library. This does NOT imply that all of Samba is released
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** under the LGPL
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "ldb_module.h"
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#include "lib/cmdline/popt_common.h"
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#include "auth/gensec/gensec.h"
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#include "auth/auth.h"
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#include "param/param.h"
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#include "dsdb/samdb/samdb.h"
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#include "dsdb/common/util.h"
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#include "ldb_wrap.h"
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#include "popt.h"
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static bool is_popt_table_end(const struct poptOption *o)
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{
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if (o->longName == NULL &&
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o->shortName =='\0' &&
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o->arg == NULL) {
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return true;
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}
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return false;
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}
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/*
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work out the length of a popt array
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*/
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static size_t calculate_popt_array_length(struct poptOption *opts)
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{
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size_t i = 0;
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for (i = 0; i < UINT32_MAX; i++) {
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struct poptOption *o = &(opts[i]);
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if (is_popt_table_end(o)) {
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break;
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}
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}
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return i;
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}
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static struct poptOption cmdline_extensions[] = {
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POPT_COMMON_SAMBA
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POPT_COMMON_CREDENTIALS
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POPT_COMMON_CONNECTION
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POPT_COMMON_VERSION
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{0}
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};
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/*
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called to register additional command line options
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*/
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static int extensions_hook(struct ldb_context *ldb, enum ldb_module_hook_type t)
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{
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switch (t) {
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case LDB_MODULE_HOOK_CMDLINE_OPTIONS: {
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size_t len1, len2;
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struct poptOption **popt_options = ldb_module_popt_options(ldb);
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struct poptOption *new_array;
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len1 = calculate_popt_array_length(*popt_options);
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len2 = calculate_popt_array_length(cmdline_extensions);
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new_array = talloc_array(NULL, struct poptOption, len1+len2+1);
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if (NULL == new_array) {
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return ldb_oom(ldb);
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}
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memcpy(new_array, *popt_options, len1*sizeof(struct poptOption));
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memcpy(new_array+len1, cmdline_extensions, (1+len2)*sizeof(struct poptOption));
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(*popt_options) = new_array;
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return LDB_SUCCESS;
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}
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case LDB_MODULE_HOOK_CMDLINE_PRECONNECT: {
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int r = ldb_register_samba_handlers(ldb);
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if (r != LDB_SUCCESS) {
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return ldb_operr(ldb);
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}
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gensec_init();
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if (ldb_set_opaque(
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ldb,
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DSDB_SESSION_INFO,
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system_session(cmdline_lp_ctx))) {
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return ldb_operr(ldb);
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}
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if (ldb_set_opaque(ldb, "credentials",
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popt_get_cmdline_credentials())) {
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return ldb_operr(ldb);
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}
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if (ldb_set_opaque(ldb, "loadparm", cmdline_lp_ctx)) {
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return ldb_operr(ldb);
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}
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ldb_set_utf8_fns(ldb, NULL, wrap_casefold);
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break;
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}
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case LDB_MODULE_HOOK_CMDLINE_POSTCONNECT:
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/* get the domain SID into the cache for SDDL processing */
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samdb_domain_sid(ldb);
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break;
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}
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return LDB_SUCCESS;
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}
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/*
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initialise the module
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*/
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_PUBLIC_ int ldb_samba_extensions_init(const char *ldb_version)
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{
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ldb_register_hook(extensions_hook);
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return LDB_SUCCESS;
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}
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