Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
Copyright (C) Simo Sorce 2004-2008
-
- * NOTICE: this module is NOT released under the GNU LGPL license as
- * other ldb code. This module is release under the GNU GPL v3 or
- * later license.
+ Copyright (C) Matthias Dieter Wallnöfer 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 "libcli/ldap/ldap_ndr.h"
-#include "lib/ldb/include/ldb_errors.h"
-#include "lib/ldb/include/ldb.h"
-#include "lib/ldb/include/ldb_private.h"
-#include "lib/events/events.h"
+#include "ldb_module.h"
#include "dsdb/samdb/samdb.h"
+#include "dsdb/samdb/ldb_modules/util.h"
#include "libcli/security/security.h"
#include "librpc/gen_ndr/ndr_security.h"
#include "../lib/util/util_ldb.h"
#include "ldb_wrap.h"
+#include "param/param.h"
struct samldb_ctx;
struct ldb_module *module;
struct ldb_request *req;
+ /* used for add operations */
+ const char *type;
+
/* the resulting message */
struct ldb_message *msg;
- /* used to apply templates */
- const char *type;
-
/* used to find parent domain */
struct ldb_dn *check_dn;
struct ldb_dn *domain_dn;
struct dom_sid *domain_sid;
uint32_t next_rid;
- /* generic storage, remember to zero it before use */
- struct ldb_reply *ares;
-
/* holds the entry SID */
struct dom_sid *sid;
+ /* holds a generic dn */
+ struct ldb_dn *dn;
+
+ /* used in conjunction with "sid" in "samldb_dn_from_sid" */
+ struct ldb_dn *res_dn;
+
+ /* used in conjunction with "dn" in "samldb_sid_from_dn" */
+ struct dom_sid *res_sid;
+
+ /* used in "samldb_user_dn_to_prim_group_rid" */
+ uint32_t prim_group_rid;
+
+ /* used in conjunction with "prim_group_rid" in
+ * "samldb_prim_group_rid_to_users_cnt" */
+ unsigned int users_cnt;
+
+ /* used in "samldb_group_add_member" and "samldb_group_del_member" */
+ struct ldb_dn *group_dn;
+ struct ldb_dn *member_dn;
+
+ /* used in "samldb_primary_group_change" */
+ struct ldb_dn *user_dn;
+ struct ldb_dn *old_prim_group_dn, *new_prim_group_dn;
+
+ /* generic counter - used in "samldb_member_check" */
+ unsigned int cnt;
+
/* all the async steps necessary to complete the operation */
struct samldb_step *steps;
struct samldb_step *curstep;
+
+ /* If someone set an ares to forward controls and response back to the caller */
+ struct ldb_reply *ares;
};
static struct samldb_ctx *samldb_ctx_init(struct ldb_module *module,
struct ldb_request *req)
{
+ struct ldb_context *ldb;
struct samldb_ctx *ac;
+ ldb = ldb_module_get_ctx(module);
+
ac = talloc_zero(req, struct samldb_ctx);
if (ac == NULL) {
- ldb_oom(module->ldb);
+ ldb_oom(ldb);
return NULL;
}
static int samldb_add_step(struct samldb_ctx *ac, samldb_step_fn_t fn)
{
- struct samldb_step *step;
+ struct samldb_step *step, *stepper;
step = talloc_zero(ac, struct samldb_step);
if (step == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
+ step->fn = fn;
+
if (ac->steps == NULL) {
ac->steps = step;
ac->curstep = step;
} else {
- ac->curstep->next = step;
- ac->curstep = step;
+ if (ac->curstep == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+ for (stepper = ac->curstep; stepper->next != NULL;
+ stepper = stepper->next);
+ stepper->next = step;
}
- step->fn = fn;
-
return LDB_SUCCESS;
}
return ac->curstep->fn(ac);
}
- /* it is an error if the last step does not properly
- * return to the upper module by itself */
- return LDB_ERR_OPERATIONS_ERROR;
-}
-
-static int samldb_search_template_callback(struct ldb_request *req,
- struct ldb_reply *ares)
-{
- struct samldb_ctx *ac;
- int ret;
-
- ac = talloc_get_type(req->context, struct samldb_ctx);
-
- if (!ares) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
- if (ares->error != LDB_SUCCESS) {
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
- }
-
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- /* save entry */
- if (ac->ares != NULL) {
- /* one too many! */
- ldb_set_errstring(ac->module->ldb,
- "Invalid number of results while searching "
- "for template objects");
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
-
- ac->ares = talloc_steal(ac, ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_REFERRAL:
- /* ignore */
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_DONE:
-
- talloc_free(ares);
- ret = samldb_next_step(ac);
- break;
- }
-
-done:
- if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL, ret);
- }
-
- return LDB_SUCCESS;
-}
-
-static int samldb_search_template(struct samldb_ctx *ac)
-{
- struct event_context *ev;
- struct loadparm_context *lparm_ctx;
- struct ldb_context *templates_ldb;
- char *templates_ldb_path;
- struct ldb_request *req;
- struct ldb_dn *basedn;
- void *opaque;
- int ret;
-
- opaque = ldb_get_opaque(ac->module->ldb, "loadparm");
- lparm_ctx = talloc_get_type(opaque, struct loadparm_context);
- if (lparm_ctx == NULL) {
- ldb_set_errstring(ac->module->ldb,
- "Unable to find loadparm context\n");
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- opaque = ldb_get_opaque(ac->module->ldb, "templates_ldb");
- templates_ldb = talloc_get_type(opaque, struct ldb_context);
-
- /* make sure we have the templates ldb */
- if (!templates_ldb) {
- templates_ldb_path = samdb_relative_path(ac->module->ldb, ac,
- "templates.ldb");
- if (!templates_ldb_path) {
- ldb_set_errstring(ac->module->ldb,
- "samldb_init_template: ERROR: Failed "
- "to contruct path for template db");
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ev = ldb_get_event_context(ac->module->ldb);
-
- templates_ldb = ldb_wrap_connect(ac->module->ldb, ev,
- lparm_ctx, templates_ldb_path,
- NULL, NULL, 0, NULL);
- talloc_free(templates_ldb_path);
-
- if (!templates_ldb) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- if (!talloc_reference(templates_ldb, ev)) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = ldb_set_opaque(ac->module->ldb,
- "templates_ldb", templates_ldb);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
-
- /* search template */
- basedn = ldb_dn_new_fmt(ac, templates_ldb,
- "cn=Template%s,cn=Templates", ac->type);
- if (basedn == NULL) {
- ldb_set_errstring(ac->module->ldb,
- "samldb_init_template: ERROR: Failed "
- "to contruct DN for template");
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- /* pull the template record */
- ret = ldb_build_search_req(&req, templates_ldb, ac,
- basedn, LDB_SCOPE_BASE,
- "(distinguishedName=*)", NULL,
- NULL,
- ac, samldb_search_template_callback,
- ac->req);
- if (ret != LDB_SUCCESS) {
- return ret;
+ /* we exit the samldb module here */
+ /* If someone set an ares to forward controls and response back to the caller, use them */
+ if (ac->ares) {
+ return ldb_module_done(ac->req, ac->ares->controls,
+ ac->ares->response, LDB_SUCCESS);
+ } else {
+ return ldb_module_done(ac->req, NULL, NULL, LDB_SUCCESS);
}
-
- talloc_steal(req, basedn);
- ac->ares = NULL;
-
- return ldb_request(templates_ldb, req);
}
-static int samldb_apply_template(struct samldb_ctx *ac)
-{
- struct ldb_message_element *el;
- struct ldb_message *msg;
- int i, j;
- int ret;
-
- msg = ac->ares->message;
-
- for (i = 0; i < msg->num_elements; i++) {
- el = &msg->elements[i];
- /* some elements should not be copied */
- if (ldb_attr_cmp(el->name, "cn") == 0 ||
- ldb_attr_cmp(el->name, "name") == 0 ||
- ldb_attr_cmp(el->name, "objectClass") == 0 ||
- ldb_attr_cmp(el->name, "sAMAccountName") == 0 ||
- ldb_attr_cmp(el->name, "sAMAccountName") == 0 ||
- ldb_attr_cmp(el->name, "distinguishedName") == 0 ||
- ldb_attr_cmp(el->name, "objectGUID") == 0) {
- continue;
- }
- for (j = 0; j < el->num_values; j++) {
- ret = samdb_find_or_add_attribute(
- ac->module->ldb, ac->msg, el->name,
- (char *)el->values[j].data);
- if (ret != LDB_SUCCESS) {
- ldb_set_errstring(ac->module->ldb,
- "Failed adding template attribute\n");
- return LDB_ERR_OPERATIONS_ERROR;
- }
- }
- }
-
- return samldb_next_step(ac);
-}
+/*
+ * samldb_get_parent_domain (async)
+ */
static int samldb_get_parent_domain(struct samldb_ctx *ac);
static int samldb_get_parent_domain_callback(struct ldb_request *req,
struct ldb_reply *ares)
{
+ struct ldb_context *ldb;
struct samldb_ctx *ac;
const char *nextRid;
int ret;
ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
if (!ares) {
ret = LDB_ERR_OPERATIONS_ERROR;
switch (ares->type) {
case LDB_REPLY_ENTRY:
/* save entry */
- if (ac->domain_dn != NULL) {
+ if ((ac->domain_dn != NULL) || (ac->domain_sid != NULL)) {
/* one too many! */
- ldb_set_errstring(ac->module->ldb,
+ ldb_set_errstring(ldb,
"Invalid number of results while searching "
- "for domain object");
+ "for domain object!");
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
nextRid = ldb_msg_find_attr_as_string(ares->message,
"nextRid", NULL);
if (nextRid == NULL) {
- ldb_asprintf_errstring(ac->module->ldb,
- "while looking for domain above %s attribute nextRid not found in %s\n",
- ldb_dn_get_linearized(ac->req->op.add.message->dn),
- ldb_dn_get_linearized(ares->message->dn));
+ ldb_asprintf_errstring(ldb,
+ "While looking for domain above %s attribute nextRid not found in %s!",
+ ldb_dn_get_linearized(
+ ac->req->op.add.message->dn),
+ ldb_dn_get_linearized(ares->message->dn));
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
ac->domain_sid = samdb_result_dom_sid(ac, ares->message,
"objectSid");
if (ac->domain_sid == NULL) {
- ldb_set_errstring(ac->module->ldb,
- "error retrieving parent domain domain sid!\n");
+ ldb_set_errstring(ldb,
+ "Unable to get the parent domain SID!");
ret = LDB_ERR_CONSTRAINT_VIOLATION;
break;
}
- ac->domain_dn = talloc_steal(ac, ares->message->dn);
+ ac->domain_dn = ldb_dn_copy(ac, ares->message->dn);
talloc_free(ares);
ret = LDB_SUCCESS;
- ldb_reset_err_string(ac->module->ldb);
break;
case LDB_REPLY_REFERRAL:
break;
case LDB_REPLY_DONE:
-
talloc_free(ares);
- if (ac->domain_dn == NULL) {
- /* search again */
+ if ((ac->domain_dn == NULL) || (ac->domain_sid == NULL)) {
+ /* not found -> retry */
ret = samldb_get_parent_domain(ac);
} else {
/* found, go on */
/* Find a domain object in the parents of a particular DN. */
static int samldb_get_parent_domain(struct samldb_ctx *ac)
{
- static const char * const attrs[3] = { "objectSid", "nextRid", NULL };
+ struct ldb_context *ldb;
+ static const char * const attrs[] = { "objectSid", "nextRid", NULL };
struct ldb_request *req;
struct ldb_dn *dn;
int ret;
+ ldb = ldb_module_get_ctx(ac->module);
+
if (ac->check_dn == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
dn = ldb_dn_get_parent(ac, ac->check_dn);
if (dn == NULL) {
- ldb_set_errstring(ac->module->ldb,
- "Unable to find parent domain object");
+ ldb_set_errstring(ldb,
+ "Unable to find parent domain object!");
return LDB_ERR_CONSTRAINT_VIOLATION;
}
ac->check_dn = dn;
- ret = ldb_build_search_req(&req, ac->module->ldb, ac,
+ ret = ldb_build_search_req(&req, ldb, ac,
dn, LDB_SCOPE_BASE,
"(|(objectClass=domain)"
- "(objectClass=builtinDomain)"
- "(objectClass=samba4LocalDomain))",
+ "(objectClass=builtinDomain))",
attrs,
NULL,
ac, samldb_get_parent_domain_callback,
return ldb_next_request(ac->module, req);
}
+
static int samldb_generate_samAccountName(struct ldb_message *msg)
{
char *name;
return ldb_msg_add_steal_string(msg, "samAccountName", name);
}
+/*
+ * samldb_check_samAccountName (async)
+ */
+
static int samldb_check_samAccountName_callback(struct ldb_request *req,
struct ldb_reply *ares)
{
struct samldb_ctx *ac;
int ret;
-
+
ac = talloc_get_type(req->context, struct samldb_ctx);
-
- if (!ares) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
+
if (ares->error != LDB_SUCCESS) {
return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
+ ares->response, ares->error);
}
-
+
switch (ares->type) {
- case LDB_REPLY_ENTRY:
-
+ case LDB_REPLY_ENTRY:
/* if we get an entry it means this samAccountName
* already exists */
return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_ENTRY_ALREADY_EXISTS);
-
+ LDB_ERR_ENTRY_ALREADY_EXISTS);
+
case LDB_REPLY_REFERRAL:
- /* ignore */
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
+ /* this should not happen */
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+
case LDB_REPLY_DONE:
-
/* not found, go on */
talloc_free(ares);
ret = samldb_next_step(ac);
break;
}
-
-done:
+
if (ret != LDB_SUCCESS) {
return ldb_module_done(ac->req, NULL, NULL, ret);
}
-
+
return LDB_SUCCESS;
}
static int samldb_check_samAccountName(struct samldb_ctx *ac)
{
+ struct ldb_context *ldb;
struct ldb_request *req;
const char *name;
char *filter;
- int ret;
-
- if (ldb_msg_find_element(ac->msg, "samAccountName") == NULL) {
- ret = samldb_generate_samAccountName(ac->msg);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
-
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (ldb_msg_find_element(ac->msg, "samAccountName") == NULL) {
+ ret = samldb_generate_samAccountName(ac->msg);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
name = ldb_msg_find_attr_as_string(ac->msg, "samAccountName", NULL);
if (name == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
- filter = talloc_asprintf(ac, "samAccountName=%s", name);
+ filter = talloc_asprintf(ac, "samAccountName=%s",
+ ldb_binary_encode_string(ac, name));
if (filter == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
-
- ret = ldb_build_search_req(&req, ac->module->ldb, ac,
- ac->domain_dn, LDB_SCOPE_SUBTREE,
- filter, NULL,
- NULL,
- ac, samldb_check_samAccountName_callback,
- ac->req);
+
+ ret = ldb_build_search_req(&req, ldb, ac,
+ ac->domain_dn, LDB_SCOPE_SUBTREE,
+ filter, NULL,
+ NULL,
+ ac, samldb_check_samAccountName_callback,
+ ac->req);
talloc_free(filter);
if (ret != LDB_SUCCESS) {
return ret;
}
- ac->ares = NULL;
return ldb_next_request(ac->module, req);
}
+
static int samldb_check_samAccountType(struct samldb_ctx *ac)
{
+ struct ldb_context *ldb;
unsigned int account_type;
unsigned int group_type;
unsigned int uac;
int ret;
+ ldb = ldb_module_get_ctx(ac->module);
+
/* make sure sAMAccountType is not specified */
if (ldb_msg_find_element(ac->msg, "sAMAccountType") != NULL) {
- ldb_asprintf_errstring(ac->module->ldb,
- "sAMAccountType must not be specified");
+ ldb_asprintf_errstring(ldb,
+ "sAMAccountType must not be specified!");
return LDB_ERR_UNWILLING_TO_PERFORM;
}
if (strcmp("user", ac->type) == 0) {
uac = samdb_result_uint(ac->msg, "userAccountControl", 0);
if (uac == 0) {
- ldb_asprintf_errstring(ac->module->ldb,
- "userAccountControl invalid");
+ ldb_asprintf_errstring(ldb,
+ "userAccountControl invalid!");
return LDB_ERR_UNWILLING_TO_PERFORM;
} else {
- account_type = samdb_uf2atype(uac);
- ret = samdb_msg_add_uint(ac->module->ldb,
+ account_type = ds_uf2atype(uac);
+ ret = samdb_msg_add_uint(ldb,
ac->msg, ac->msg,
"sAMAccountType",
account_type);
group_type = samdb_result_uint(ac->msg, "groupType", 0);
if (group_type == 0) {
- ldb_asprintf_errstring(ac->module->ldb,
- "groupType invalid");
+ ldb_asprintf_errstring(ldb,
+ "groupType invalid!\n");
return LDB_ERR_UNWILLING_TO_PERFORM;
} else {
- account_type = samdb_gtype2atype(group_type);
- ret = samdb_msg_add_uint(ac->module->ldb,
+ account_type = ds_gtype2atype(group_type);
+ ret = samdb_msg_add_uint(ldb,
ac->msg, ac->msg,
"sAMAccountType",
account_type);
return samldb_next_step(ac);
}
+
+/*
+ * samldb_get_sid_domain (async)
+ */
+
static int samldb_get_sid_domain_callback(struct ldb_request *req,
struct ldb_reply *ares)
{
+ struct ldb_context *ldb;
struct samldb_ctx *ac;
const char *nextRid;
int ret;
ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
if (!ares) {
ret = LDB_ERR_OPERATIONS_ERROR;
/* save entry */
if (ac->next_rid != 0) {
/* one too many! */
- ldb_set_errstring(ac->module->ldb,
+ ldb_set_errstring(ldb,
"Invalid number of results while searching "
- "for domain object");
+ "for domain object!");
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
nextRid = ldb_msg_find_attr_as_string(ares->message,
"nextRid", NULL);
if (nextRid == NULL) {
- ldb_asprintf_errstring(ac->module->ldb,
- "attribute nextRid not found in %s\n",
+ ldb_asprintf_errstring(ldb,
+ "Attribute nextRid not found in %s!",
ldb_dn_get_linearized(ares->message->dn));
ret = LDB_ERR_OPERATIONS_ERROR;
break;
ac->next_rid = strtol(nextRid, NULL, 0);
- ac->domain_dn = talloc_steal(ac, ares->message->dn);
+ ac->domain_dn = ldb_dn_copy(ac, ares->message->dn);
talloc_free(ares);
ret = LDB_SUCCESS;
break;
case LDB_REPLY_DONE:
-
+ talloc_free(ares);
if (ac->next_rid == 0) {
- ldb_asprintf_errstring(ac->module->ldb,
- "Unable to get nextRid from domain entry\n");
+ ldb_asprintf_errstring(ldb,
+ "Unable to get nextRid from domain entry!");
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
/* Find a domain object in the parents of a particular DN. */
static int samldb_get_sid_domain(struct samldb_ctx *ac)
{
- static const char * const attrs[2] = { "nextRid", NULL };
+ struct ldb_context *ldb;
+ static const char * const attrs[] = { "nextRid", NULL };
struct ldb_request *req;
char *filter;
int ret;
+ ldb = ldb_module_get_ctx(ac->module);
+
if (ac->sid == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
/* get the domain component part of the provided SID */
ac->domain_sid->num_auths--;
- filter = talloc_asprintf(ac, "(&(objectSid=%s)"
- "(|(objectClass=domain)"
- "(objectClass=builtinDomain)"
- "(objectClass=samba4LocalDomain)))",
+ filter = talloc_asprintf(ac,
+ "(&(objectSid=%s)"
+ "(|(objectClass=domain)"
+ "(objectClass=builtinDomain)))",
ldap_encode_ndr_dom_sid(ac, ac->domain_sid));
if (filter == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = ldb_build_search_req(&req, ac->module->ldb, ac,
- ldb_get_default_basedn(ac->module->ldb),
+ ret = ldb_build_search_req(&req, ldb, ac,
+ ldb_get_default_basedn(ldb),
LDB_SCOPE_SUBTREE,
filter, attrs,
NULL,
return ldb_next_request(ac->module, req);
}
-static bool samldb_msg_add_sid(struct ldb_message *msg,
- const char *name,
- const struct dom_sid *sid)
-{
- struct ldb_val v;
- enum ndr_err_code ndr_err;
-
- ndr_err = ndr_push_struct_blob(&v, msg, NULL, sid,
- (ndr_push_flags_fn_t)ndr_push_dom_sid);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- return false;
- }
- return (ldb_msg_add_value(msg, name, &v, NULL) == 0);
-}
-
-static int samldb_new_sid(struct samldb_ctx *ac)
-{
-
- if (ac->domain_sid == NULL || ac->next_rid == 0) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ac->sid = dom_sid_add_rid(ac, ac->domain_sid, ac->next_rid + 1);
- if (ac->sid == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- if ( ! samldb_msg_add_sid(ac->msg, "objectSid", ac->sid)) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
+/*
+ * samldb_dn_from_sid (async)
+ */
- return samldb_next_step(ac);
-}
+static int samldb_dn_from_sid(struct samldb_ctx *ac);
-static int samldb_check_sid_callback(struct ldb_request *req,
- struct ldb_reply *ares)
+static int samldb_dn_from_sid_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
{
+ struct ldb_context *ldb;
struct samldb_ctx *ac;
int ret;
ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
if (!ares) {
ret = LDB_ERR_OPERATIONS_ERROR;
switch (ares->type) {
case LDB_REPLY_ENTRY:
+ /* save entry */
+ if (ac->res_dn != NULL) {
+ /* one too many! */
+ ldb_set_errstring(ldb,
+ "Invalid number of results while searching "
+ "for domain objects!");
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ break;
+ }
+ ac->res_dn = ldb_dn_copy(ac, ares->message->dn);
- /* if we get an entry it means an object with the
- * requested sid exists */
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_CONSTRAINT_VIOLATION);
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
case LDB_REPLY_REFERRAL:
/* ignore */
talloc_free(ares);
+ ret = LDB_SUCCESS;
break;
case LDB_REPLY_DONE:
-
- /* not found, go on */
talloc_free(ares);
+
+ /* found or not found, go on */
ret = samldb_next_step(ac);
break;
}
return LDB_SUCCESS;
}
-static int samldb_check_sid(struct samldb_ctx *ac)
+/* Finds the DN "res_dn" of an object with a given SID "sid" */
+static int samldb_dn_from_sid(struct samldb_ctx *ac)
{
- const char *const attrs[2] = { "objectSid", NULL };
+ struct ldb_context *ldb;
+ static const char * const attrs[] = { NULL };
struct ldb_request *req;
char *filter;
int ret;
- if (ac->sid == NULL) {
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (ac->sid == NULL)
return LDB_ERR_OPERATIONS_ERROR;
- }
filter = talloc_asprintf(ac, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, ac->sid));
- if (filter == NULL) {
+ ldap_encode_ndr_dom_sid(ac, ac->sid));
+ if (filter == NULL)
return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = ldb_build_search_req(&req, ac->module->ldb, ac,
- ldb_get_default_basedn(ac->module->ldb),
- LDB_SCOPE_SUBTREE,
- filter, attrs,
- NULL,
- ac, samldb_check_sid_callback,
- ac->req);
- if (ret != LDB_SUCCESS) {
+ ret = ldb_build_search_req(&req, ldb, ac,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE,
+ filter, attrs,
+ NULL,
+ ac, samldb_dn_from_sid_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS)
return ret;
- }
return ldb_next_request(ac->module, req);
}
-static int samldb_notice_sid_callback(struct ldb_request *req,
- struct ldb_reply *ares)
+
+static int samldb_check_primaryGroupID_1(struct samldb_ctx *ac)
{
- struct samldb_ctx *ac;
- int ret;
+ struct ldb_context *ldb;
+ uint32_t rid;
- ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
- if (!ares) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
- if (ares->error != LDB_SUCCESS) {
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
- }
- if (ares->type != LDB_REPLY_DONE) {
- ldb_set_errstring(ac->module->ldb,
- "Invalid reply type!\n");
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
+ rid = samdb_result_uint(ac->msg, "primaryGroupID", ~0);
+ ac->sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
+ if (ac->sid == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+ ac->res_dn = NULL;
- ret = samldb_next_step(ac);
+ return samldb_next_step(ac);
+}
+
+static int samldb_check_primaryGroupID_2(struct samldb_ctx *ac)
+{
+ if (ac->res_dn == NULL) {
+ struct ldb_context *ldb;
+ ldb = ldb_module_get_ctx(ac->module);
+ ldb_asprintf_errstring(ldb,
+ "Failed to find group sid %s!",
+ dom_sid_string(ac->sid, ac->sid));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ return samldb_next_step(ac);
+}
+
+
+static bool samldb_msg_add_sid(struct ldb_message *msg,
+ const char *name,
+ const struct dom_sid *sid)
+{
+ struct ldb_val v;
+ enum ndr_err_code ndr_err;
+
+ ndr_err = ndr_push_struct_blob(&v, msg, NULL, sid,
+ (ndr_push_flags_fn_t)ndr_push_dom_sid);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return false;
+ }
+ return (ldb_msg_add_value(msg, name, &v, NULL) == 0);
+}
+
+static int samldb_new_sid(struct samldb_ctx *ac)
+{
+
+ if (ac->domain_sid == NULL || ac->next_rid == 0) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac->sid = dom_sid_add_rid(ac, ac->domain_sid, ac->next_rid + 1);
+ if (ac->sid == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ if ( ! samldb_msg_add_sid(ac->msg, "objectSid", ac->sid)) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return samldb_next_step(ac);
+}
+
+/*
+ * samldb_notice_sid_callback (async)
+ */
+
+static int samldb_notice_sid_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct samldb_ctx *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+ if (ares->type != LDB_REPLY_DONE) {
+ ldb_set_errstring(ldb,
+ "Invalid reply type!");
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+
+ ret = samldb_next_step(ac);
done:
if (ret != LDB_SUCCESS) {
/* If we are adding new users/groups, we need to update the nextRid
* attribute to be 'above' the new/incoming RID. Attempt to do it
- *atomically. */
+ * atomically. */
static int samldb_notice_sid(struct samldb_ctx *ac)
{
+ struct ldb_context *ldb;
uint32_t old_id, new_id;
struct ldb_request *req;
struct ldb_message *msg;
struct ldb_val *vals;
int ret;
+ ldb = ldb_module_get_ctx(ac->module);
old_id = ac->next_rid;
new_id = ac->sid->sub_auths[ac->sid->num_auths - 1];
/* we do a delete and add as a single operation. That prevents
a race, in case we are not actually on a transaction db */
- msg = talloc_zero(ac, struct ldb_message);
+ msg = ldb_msg_new(ac);
if (msg == NULL) {
- ldb_oom(ac->module->ldb);
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
els = talloc_array(msg, struct ldb_message_element, 2);
if (els == NULL) {
- ldb_oom(ac->module->ldb);
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
vals = talloc_array(msg, struct ldb_val, 2);
if (vals == NULL) {
- ldb_oom(ac->module->ldb);
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
msg->dn = ac->domain_dn;
els[0].flags = LDB_FLAG_MOD_DELETE;
els[0].name = talloc_strdup(msg, "nextRid");
if (!els[0].name) {
- ldb_oom(ac->module->ldb);
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
vals[0].data = (uint8_t *)talloc_asprintf(vals, "%u", old_id);
if (!vals[0].data) {
- ldb_oom(ac->module->ldb);
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
vals[0].length = strlen((char *)vals[0].data);
vals[1].data = (uint8_t *)talloc_asprintf(vals, "%u", new_id);
if (!vals[1].data) {
- ldb_oom(ac->module->ldb);
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
vals[1].length = strlen((char *)vals[1].data);
- ret = ldb_build_mod_req(&req, ac->module->ldb, ac,
+ ret = ldb_build_mod_req(&req, ldb, ac,
msg, NULL,
ac, samldb_notice_sid_callback,
ac->req);
return ldb_next_request(ac->module, req);
}
+/*
+ * samldb_set_defaultObjectCategory_callback (async)
+ */
+
+static int samldb_set_defaultObjectCategory_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct samldb_ctx *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+ if (ares->type != LDB_REPLY_DONE) {
+ ldb_set_errstring(ldb,
+ "Invalid reply type!");
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+
+ ret = samldb_next_step(ac);
+
+done:
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int samldb_set_defaultObjectCategory(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ struct ldb_message *msg;
+ struct ldb_request *req;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ /* (Re)set the default object category to have it set to the DN in the
+ * storage format */
+ msg = ldb_msg_new(ac);
+ msg->dn = ac->msg->dn;
+ ldb_msg_add_empty(msg, "defaultObjectCategory",
+ LDB_FLAG_MOD_REPLACE, NULL);
+ ldb_msg_add_steal_string(msg, "defaultObjectCategory",
+ ldb_dn_alloc_linearized(msg, ac->dn));
+
+ ret = ldb_build_mod_req(&req, ldb, ac,
+ msg, NULL,
+ ac,
+ samldb_set_defaultObjectCategory_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(msg);
+ return ret;
+ }
+
+ return ldb_next_request(ac->module, req);
+}
+
+/*
+ * samldb_find_for_defaultObjectCategory (async)
+ */
+
+static int samldb_find_for_defaultObjectCategory_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct samldb_ctx *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ if (ares->error != LDB_SUCCESS) {
+ if (ares->error == LDB_ERR_NO_SUCH_OBJECT) {
+ if (ldb_request_get_control(ac->req,
+ LDB_CONTROL_RELAX_OID) != NULL) {
+ /* Don't be pricky when the DN doesn't exist */
+ /* if we have the RELAX control specified */
+ ac->dn = req->op.search.base;
+ return samldb_next_step(ac);
+ } else {
+ ldb_set_errstring(ldb,
+ "samldb_find_defaultObjectCategory: "
+ "Invalid DN for 'defaultObjectCategory'!");
+ ares->error = LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ }
+
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ ac->dn = talloc_steal(ac, ares->message->dn);
+
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ /* this should not happen */
+ talloc_free(ares);
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ break;
+
+ case LDB_REPLY_DONE:
+ talloc_free(ares);
+
+ if (ac->dn != NULL) {
+ /* when found go on */
+ ret = samldb_next_step(ac);
+ } else {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ }
+ break;
+ }
+
+done:
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int samldb_find_for_defaultObjectCategory(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ struct ldb_request *req;
+ static const char *no_attrs[] = { NULL };
+ int ret;
+ const struct ldb_val *val;
+ struct ldb_dn *def_obj_cat_dn;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ ac->dn = NULL;
+
+ val = ldb_msg_find_ldb_val(ac->msg, "defaultObjectCategory");
+ if (val != NULL) {
+ /* "defaultObjectCategory" has been set by the caller. Do some
+ * checks for consistency.
+ * NOTE: The real constraint check (that 'defaultObjectCategory'
+ * is the DN of the new objectclass or any parent of it) is
+ * still incomplete.
+ * For now we say that 'defaultObjectCategory' is valid if it
+ * exists and it is of objectclass "classSchema". */
+ def_obj_cat_dn = ldb_dn_from_ldb_val(ac, ldb, val);
+ if (def_obj_cat_dn == NULL) {
+ ldb_set_errstring(ldb,
+ "samldb_find_defaultObjectCategory: Invalid DN "
+ "for 'defaultObjectCategory'!");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ } else {
+ /* "defaultObjectCategory" has not been set by the caller. Use
+ * the entry DN for it. */
+ def_obj_cat_dn = ac->msg->dn;
+ }
+
+ ret = ldb_build_search_req(&req, ldb, ac,
+ def_obj_cat_dn, LDB_SCOPE_BASE,
+ "objectClass=classSchema", no_attrs,
+ NULL,
+ ac, samldb_find_for_defaultObjectCategory_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ret = dsdb_request_add_controls(ac->module, req,
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return ldb_next_request(ac->module, req);
+}
+
+
+/*
+ * samldb_add_entry (async)
+ */
+
static int samldb_add_entry_callback(struct ldb_request *req,
struct ldb_reply *ares)
{
+ struct ldb_context *ldb;
struct samldb_ctx *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+ if (ares->type != LDB_REPLY_DONE) {
+ ldb_set_errstring(ldb,
+ "Invalid reply type!\n");
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ /* The caller may wish to get controls back from the add */
+ ac->ares = talloc_steal(ac, ares);
+
+ ret = samldb_next_step(ac);
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+ return ret;
+}
+
+static int samldb_add_entry(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ struct ldb_request *req;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ ret = ldb_build_add_req(&req, ldb, ac,
+ ac->msg,
+ ac->req->controls,
+ ac, samldb_add_entry_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return ldb_next_request(ac->module, req);
+}
+
+
+static int samldb_fill_object(struct samldb_ctx *ac, const char *type)
+{
+ struct ldb_context *ldb;
+ struct loadparm_context *lp_ctx;
+ enum sid_generator sid_generator;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ /* search for a parent domain objet */
+ ac->check_dn = ac->req->op.add.message->dn;
+ ret = samldb_add_step(ac, samldb_get_parent_domain);
+ if (ret != LDB_SUCCESS) return ret;
+
+ /* Add informations for the different account types */
+ ac->type = type;
+ if (strcmp(ac->type, "user") == 0) {
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "userAccountControl", "546");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "badPwdCount", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "codePage", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "countryCode", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "badPasswordTime", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "lastLogoff", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "lastLogon", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "pwdLastSet", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "primaryGroupID", "513");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "accountExpires", "9223372036854775807");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "logonCount", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ } else if (strcmp(ac->type, "group") == 0) {
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "groupType", "-2147483646");
+ if (ret != LDB_SUCCESS) return ret;
+ } else if (strcmp(ac->type, "classSchema") == 0) {
+ const struct ldb_val *rdn_value;
+
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "rdnAttId", "cn");
+ if (ret != LDB_SUCCESS) return ret;
+
+ rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
+ if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
+ /* the RDN has prefix "CN" */
+ ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
+ samdb_cn_to_lDAPDisplayName(ac,
+ (const char *) rdn_value->data));
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
+ }
+
+ if (!ldb_msg_find_element(ac->msg, "schemaIDGUID")) {
+ struct GUID guid;
+ /* a new GUID */
+ guid = GUID_random();
+ ret = dsdb_msg_add_guid(ac->msg, &guid, "schemaIDGUID");
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
+ }
+
+ ret = samldb_add_step(ac, samldb_add_entry);
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = samldb_add_step(ac, samldb_find_for_defaultObjectCategory);
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = samldb_add_step(ac, samldb_set_defaultObjectCategory);
+ if (ret != LDB_SUCCESS) return ret;
+
+ return samldb_first_step(ac);
+ } else if (strcmp(ac->type, "attributeSchema") == 0) {
+ const struct ldb_val *rdn_value;
+ rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
+ if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
+ /* the RDN has prefix "CN" */
+ ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
+ samdb_cn_to_lDAPDisplayName(ac,
+ (const char *) rdn_value->data));
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
+ }
+
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "isSingleValued", "FALSE");
+ if (ret != LDB_SUCCESS) return ret;
+
+ if (!ldb_msg_find_element(ac->msg, "schemaIDGUID")) {
+ struct GUID guid;
+ /* a new GUID */
+ guid = GUID_random();
+ ret = dsdb_msg_add_guid(ac->msg, &guid, "schemaIDGUID");
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ldb);
+ return ret;
+ }
+ }
+
+ ret = samldb_add_step(ac, samldb_add_entry);
+ if (ret != LDB_SUCCESS) return ret;
+
+ return samldb_first_step(ac);
+ } else {
+ ldb_asprintf_errstring(ldb,
+ "Invalid entry type!");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* check if we have a valid samAccountName */
+ ret = samldb_add_step(ac, samldb_check_samAccountName);
+ if (ret != LDB_SUCCESS) return ret;
+
+ /* check account_type/group_type */
+ ret = samldb_add_step(ac, samldb_check_samAccountType);
+ if (ret != LDB_SUCCESS) return ret;
+
+ /* check if we have a valid primary group ID */
+ if (strcmp(ac->type, "user") == 0) {
+ ret = samldb_add_step(ac, samldb_check_primaryGroupID_1);
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samldb_add_step(ac, samldb_dn_from_sid);
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samldb_add_step(ac, samldb_check_primaryGroupID_2);
+ if (ret != LDB_SUCCESS) return ret;
+ }
+
+ lp_ctx = talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
+ struct loadparm_context);
+
+ sid_generator = lp_sid_generator(lp_ctx);
+ if (sid_generator == SID_GENERATOR_INTERNAL) {
+ /* check if we have a valid SID */
+ ac->sid = samdb_result_dom_sid(ac, ac->msg, "objectSid");
+ if ( ! ac->sid) {
+ ret = samldb_add_step(ac, samldb_new_sid);
+ if (ret != LDB_SUCCESS) return ret;
+ } else {
+ ret = samldb_add_step(ac, samldb_get_sid_domain);
+ if (ret != LDB_SUCCESS) return ret;
+ }
+
+ ret = samldb_add_step(ac, samldb_notice_sid);
+ if (ret != LDB_SUCCESS) return ret;
+ }
+
+ /* finally proceed with adding the entry */
+ ret = samldb_add_step(ac, samldb_add_entry);
+ if (ret != LDB_SUCCESS) return ret;
+
+ return samldb_first_step(ac);
+}
+
+/*
+ * samldb_foreign_notice_sid (async)
+ */
+
+static int samldb_foreign_notice_sid_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct samldb_ctx *ac;
+ const char *nextRid;
+ const char *name;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ /* save entry */
+ if (ac->next_rid != 0) {
+ /* one too many! */
+ ldb_set_errstring(ldb,
+ "Invalid number of results while searching "
+ "for domain object!");
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ break;
+ }
+
+ nextRid = ldb_msg_find_attr_as_string(ares->message,
+ "nextRid", NULL);
+ if (nextRid == NULL) {
+ ldb_asprintf_errstring(ldb,
+ "While looking for foreign SID %s attribute nextRid not found in %s",
+ dom_sid_string(ares, ac->sid),
+ ldb_dn_get_linearized(ares->message->dn));
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ break;
+ }
+
+ ac->next_rid = strtol(nextRid, NULL, 0);
+
+ ac->domain_dn = ldb_dn_copy(ac, ares->message->dn);
+
+ name = samdb_result_string(ares->message, "name", NULL);
+ ldb_debug(ldb, LDB_DEBUG_TRACE,
+ "NOTE (strange but valid): Adding foreign SID "
+ "record with SID %s, but this domain (%s) is "
+ "not foreign in the database\n",
+ dom_sid_string(ares, ac->sid), name);
+
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ /* ignore */
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_DONE:
+ talloc_free(ares);
+
+ /* if this is a fake foreign SID, notice the SID */
+ if (ac->domain_dn) {
+ ret = samldb_notice_sid(ac);
+ break;
+ }
+
+ /* found, go on */
+ ret = samldb_next_step(ac);
+ break;
+ }
+
+done:
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/* Find a domain object in the parents of a particular DN. */
+static int samldb_foreign_notice_sid(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ static const char * const attrs[3] = { "nextRid", "name", NULL };
+ struct ldb_request *req;
+ NTSTATUS status;
+ char *filter;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (ac->sid == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ status = dom_sid_split_rid(ac, ac->sid, &ac->domain_sid, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+
+ filter = talloc_asprintf(ac,
+ "(&(objectSid=%s)"
+ "(|(objectClass=domain)"
+ "(objectClass=builtinDomain)))",
+ ldap_encode_ndr_dom_sid(ac, ac->domain_sid));
+ if (filter == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_build_search_req(&req, ldb, ac,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE,
+ filter, attrs,
+ NULL,
+ ac, samldb_foreign_notice_sid_callback,
+ ac->req);
+
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return ldb_next_request(ac->module, req);
+}
+
+
+static int samldb_fill_foreignSecurityPrincipal_object(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ ac->next_rid = 0;
+
+ ac->sid = samdb_result_dom_sid(ac->msg, ac->msg, "objectSid");
+ if (ac->sid == NULL) {
+ ac->sid = dom_sid_parse_talloc(ac->msg,
+ (const char *)ldb_dn_get_rdn_val(ac->msg->dn)->data);
+ if (!ac->sid) {
+ ldb_set_errstring(ldb,
+ "No valid SID found in "
+ "ForeignSecurityPrincipal CN!");
+ talloc_free(ac);
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ if ( ! samldb_msg_add_sid(ac->msg, "objectSid", ac->sid)) {
+ talloc_free(ac);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ }
+
+ /* check if we need to notice this SID */
+ ret = samldb_add_step(ac, samldb_foreign_notice_sid);
+ if (ret != LDB_SUCCESS) return ret;
+
+ /* finally proceed with adding the entry */
+ ret = samldb_add_step(ac, samldb_add_entry);
+ if (ret != LDB_SUCCESS) return ret;
+
+ return samldb_first_step(ac);
+}
+
+static int samldb_check_rdn(struct ldb_module *module, struct ldb_dn *dn)
+{
+ struct ldb_context *ldb;
+ const char *rdn_name;
+
+ ldb = ldb_module_get_ctx(module);
+ rdn_name = ldb_dn_get_rdn_name(dn);
+
+ if (strcasecmp(rdn_name, "cn") != 0) {
+ ldb_asprintf_errstring(ldb,
+ "Bad RDN (%s=) for samldb object, "
+ "should be CN=!", rdn_name);
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ return LDB_SUCCESS;
+}
+
+/*
+ * samldb_sid_from_dn (async)
+ */
+
+static int samldb_sid_from_dn(struct samldb_ctx *ac);
+
+static int samldb_sid_from_dn_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct samldb_ctx *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ /* save entry */
+ if (ac->res_sid != NULL) {
+ /* one too many! */
+ ldb_set_errstring(ldb,
+ "Invalid number of results while searching "
+ "for domain objects!");
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ break;
+ }
+ ac->res_sid = samdb_result_dom_sid(ac, ares->message,
+ "objectSid");
+
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ /* ignore */
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_DONE:
+ talloc_free(ares);
+
+ /* found or not found, go on */
+ ret = samldb_next_step(ac);
+ break;
+ }
+
+done:
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/* Finds the SID "res_sid" of an object with a given DN "dn" */
+static int samldb_sid_from_dn(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ static const char * const attrs[] = { "objectSid", NULL };
+ struct ldb_request *req;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (ac->dn == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ ret = ldb_build_search_req(&req, ldb, ac,
+ ac->dn,
+ LDB_SCOPE_BASE,
+ NULL, attrs,
+ NULL,
+ ac, samldb_sid_from_dn_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS)
+ return ret;
+
+ return ldb_next_request(ac->module, req);
+}
+
+/*
+ * samldb_user_dn_to_prim_group_rid (async)
+ */
+
+static int samldb_user_dn_to_prim_group_rid(struct samldb_ctx *ac);
+
+static int samldb_user_dn_to_prim_group_rid_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct samldb_ctx *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ /* save entry */
+ if (ac->prim_group_rid != 0) {
+ /* one too many! */
+ ldb_set_errstring(ldb,
+ "Invalid number of results while searching "
+ "for domain objects!");
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ break;
+ }
+ ac->prim_group_rid = samdb_result_uint(ares->message,
+ "primaryGroupID", ~0);
+
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ /* ignore */
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_DONE:
+ talloc_free(ares);
+ if (ac->prim_group_rid == 0) {
+ ldb_asprintf_errstring(ldb,
+ "Unable to get the primary group RID!");
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ break;
+ }
+
+ /* found, go on */
+ ret = samldb_next_step(ac);
+ break;
+ }
+
+done:
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/* Locates the "primaryGroupID" attribute from a certain user specified as
+ * "user_dn". Saves the result in "prim_group_rid". */
+static int samldb_user_dn_to_prim_group_rid(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ static const char * const attrs[] = { "primaryGroupID", NULL };
+ struct ldb_request *req;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (ac->user_dn == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ ret = ldb_build_search_req(&req, ldb, ac,
+ ac->user_dn,
+ LDB_SCOPE_BASE,
+ NULL, attrs,
+ NULL,
+ ac, samldb_user_dn_to_prim_group_rid_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS)
+ return ret;
+
+ return ldb_next_request(ac->module, req);
+}
+
+/*
+ * samldb_prim_group_rid_to_users_cnt (async)
+ */
+
+static int samldb_prim_group_rid_to_users_cnt(struct samldb_ctx *ac);
+
+static int samldb_prim_group_rid_to_users_cnt_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct samldb_ctx *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+ /* save entry */
+ ++(ac->users_cnt);
+
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_REFERRAL:
+ /* ignore */
+ talloc_free(ares);
+ ret = LDB_SUCCESS;
+ break;
+
+ case LDB_REPLY_DONE:
+ talloc_free(ares);
+
+ /* found or not found, go on */
+ ret = samldb_next_step(ac);
+ break;
+ }
+
+done:
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/* Finds the amount of users which have the primary group "prim_group_rid" and
+ * save the result in "users_cnt" */
+static int samldb_prim_group_rid_to_users_cnt(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ static const char * const attrs[] = { NULL };
+ struct ldb_request *req;
+ char *filter;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if ((ac->prim_group_rid == 0) || (ac->users_cnt != 0))
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ filter = talloc_asprintf(ac, "(&(primaryGroupID=%u)(objectclass=user))",
+ ac->prim_group_rid);
+ if (filter == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ ret = ldb_build_search_req(&req, ldb, ac,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE,
+ filter, attrs,
+ NULL,
+ ac,
+ samldb_prim_group_rid_to_users_cnt_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS)
+ return ret;
+
+ return ldb_next_request(ac->module, req);
+}
+
+/*
+ * samldb_group_add_member (async)
+ * samldb_group_del_member (async)
+ */
+
+static int samldb_group_add_del_member_callback(struct ldb_request *req,
+ struct ldb_reply *ares)
+{
+ struct ldb_context *ldb;
+ struct samldb_ctx *ac;
+ int ret;
+
+ ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (!ares) {
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ if (ares->error != LDB_SUCCESS) {
+ if (ares->error == LDB_ERR_NO_SUCH_ATTRIBUTE) {
+ /* On error "NO_SUCH_ATTRIBUTE" (delete of an invalid
+ * "member" attribute) return "UNWILLING_TO_PERFORM" */
+ ares->error = LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+ if (ares->type != LDB_REPLY_DONE) {
+ ldb_set_errstring(ldb,
+ "Invalid reply type!");
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+
+ ret = samldb_next_step(ac);
+
+done:
+ if (ret != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, NULL, NULL, ret);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/* Adds a member with DN "member_dn" to a group with DN "group_dn" */
+static int samldb_group_add_member(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ struct ldb_request *req;
+ struct ldb_message *msg;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if ((ac->group_dn == NULL) || (ac->member_dn == NULL))
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ msg = ldb_msg_new(ac);
+ msg->dn = ac->group_dn;
+ samdb_msg_add_addval(ldb, ac, msg, "member",
+ ldb_dn_get_linearized(ac->member_dn));
+
+ ret = ldb_build_mod_req(&req, ldb, ac,
+ msg, NULL,
+ ac, samldb_group_add_del_member_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS)
+ return ret;
+
+ return ldb_next_request(ac->module, req);
+}
+
+/* Removes a member with DN "member_dn" from a group with DN "group_dn" */
+static int samldb_group_del_member(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ struct ldb_request *req;
+ struct ldb_message *msg;
+ int ret;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if ((ac->group_dn == NULL) || (ac->member_dn == NULL))
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ msg = ldb_msg_new(ac);
+ msg->dn = ac->group_dn;
+ samdb_msg_add_delval(ldb, ac, msg, "member",
+ ldb_dn_get_linearized(ac->member_dn));
+
+ ret = ldb_build_mod_req(&req, ldb, ac,
+ msg, NULL,
+ ac, samldb_group_add_del_member_callback,
+ ac->req);
+ if (ret != LDB_SUCCESS)
+ return ret;
+
+ return ldb_next_request(ac->module, req);
+}
+
+
+static int samldb_prim_group_change_1(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ uint32_t rid;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ ac->user_dn = ac->msg->dn;
+
+ rid = samdb_result_uint(ac->msg, "primaryGroupID", ~0);
+ ac->sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
+ if (ac->sid == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+ ac->res_dn = NULL;
+
+ ac->prim_group_rid = 0;
+
+ return samldb_next_step(ac);
+}
+
+static int samldb_prim_group_change_2(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ if (ac->res_dn != NULL)
+ ac->new_prim_group_dn = ac->res_dn;
+ else
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+
+ ac->sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb),
+ ac->prim_group_rid);
+ if (ac->sid == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+ ac->res_dn = NULL;
+
+ return samldb_next_step(ac);
+}
+
+static int samldb_prim_group_change_4(struct samldb_ctx *ac);
+static int samldb_prim_group_change_5(struct samldb_ctx *ac);
+static int samldb_prim_group_change_6(struct samldb_ctx *ac);
+
+static int samldb_prim_group_change_3(struct samldb_ctx *ac)
+{
+ int ret;
+
+ if (ac->res_dn != NULL)
+ ac->old_prim_group_dn = ac->res_dn;
+ else
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+
+ /* Only update when the primary group changed */
+ if (ldb_dn_compare(ac->old_prim_group_dn, ac->new_prim_group_dn) != 0) {
+ ac->member_dn = ac->user_dn;
+ /* Remove the "member" attribute of the actual (new) primary
+ * group */
+
+ ret = samldb_add_step(ac, samldb_prim_group_change_4);
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = samldb_add_step(ac, samldb_group_del_member);
+ if (ret != LDB_SUCCESS) return ret;
+
+ /* Add a "member" attribute for the previous primary group */
+
+ ret = samldb_add_step(ac, samldb_prim_group_change_5);
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = samldb_add_step(ac, samldb_group_add_member);
+ if (ret != LDB_SUCCESS) return ret;
+ }
+
+ ret = samldb_add_step(ac, samldb_prim_group_change_6);
+ if (ret != LDB_SUCCESS) return ret;
- ac = talloc_get_type(req->context, struct samldb_ctx);
+ return samldb_next_step(ac);
+}
- if (!ares) {
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_OPERATIONS_ERROR);
- }
- if (ares->error != LDB_SUCCESS) {
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
- }
- if (ares->type != LDB_REPLY_DONE) {
- ldb_set_errstring(ac->module->ldb,
- "Invalid reply type!\n");
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_OPERATIONS_ERROR);
- }
+static int samldb_prim_group_change_4(struct samldb_ctx *ac)
+{
+ ac->group_dn = ac->new_prim_group_dn;
- /* we exit the samldb module here */
- return ldb_module_done(ac->req, ares->controls,
- ares->response, LDB_SUCCESS);
+ return samldb_next_step(ac);
}
-static int samldb_add_entry(struct samldb_ctx *ac)
+static int samldb_prim_group_change_5(struct samldb_ctx *ac)
{
- struct ldb_request *req;
- int ret;
+ ac->group_dn = ac->old_prim_group_dn;
- ret = ldb_build_add_req(&req, ac->module->ldb, ac,
- ac->msg,
- ac->req->controls,
- ac, samldb_add_entry_callback,
- ac->req);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ return samldb_next_step(ac);
+}
- return ldb_next_request(ac->module, req);
+static int samldb_prim_group_change_6(struct samldb_ctx *ac)
+{
+ return ldb_next_request(ac->module, ac->req);
}
-static int samldb_fill_object(struct samldb_ctx *ac, const char *type)
+static int samldb_prim_group_change(struct samldb_ctx *ac)
{
int ret;
- /* first look for the template */
- ac->type = type;
- ret = samldb_add_step(ac, samldb_search_template);
- if (ret != LDB_SUCCESS) return ret;
-
- /* then apply it */
- ret = samldb_add_step(ac, samldb_apply_template);
- if (ret != LDB_SUCCESS) return ret;
+ /* Finds out the DN of the new primary group */
- /* search for a parent domain objet */
- ac->check_dn = ac->req->op.add.message->dn;
- ret = samldb_add_step(ac, samldb_get_parent_domain);
+ ret = samldb_add_step(ac, samldb_prim_group_change_1);
if (ret != LDB_SUCCESS) return ret;
- /* check if we have a valid samAccountName */
- ret = samldb_add_step(ac, samldb_check_samAccountName);
+ ret = samldb_add_step(ac, samldb_dn_from_sid);
if (ret != LDB_SUCCESS) return ret;
- /* check account_type/group_type */
- ret = samldb_add_step(ac, samldb_check_samAccountType);
+ ret = samldb_add_step(ac, samldb_user_dn_to_prim_group_rid);
if (ret != LDB_SUCCESS) return ret;
- /* check if we have a valid SID */
- ac->sid = samdb_result_dom_sid(ac, ac->msg, "objectSid");
- if ( ! ac->sid) {
- ret = samldb_add_step(ac, samldb_new_sid);
- if (ret != LDB_SUCCESS) return ret;
- } else {
- ret = samldb_add_step(ac, samldb_get_sid_domain);
- if (ret != LDB_SUCCESS) return ret;
- }
+ /* Finds out the DN of the old primary group */
- ret = samldb_add_step(ac, samldb_check_sid);
+ ret = samldb_add_step(ac, samldb_prim_group_change_2);
if (ret != LDB_SUCCESS) return ret;
- ret = samldb_add_step(ac, samldb_notice_sid);
+ ret = samldb_add_step(ac, samldb_dn_from_sid);
if (ret != LDB_SUCCESS) return ret;
- /* finally proceed with adding the entry */
- ret = samldb_add_step(ac, samldb_add_entry);
+ ret = samldb_add_step(ac, samldb_prim_group_change_3);
if (ret != LDB_SUCCESS) return ret;
return samldb_first_step(ac);
+}
+
+
+static int samldb_member_check_1(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ struct ldb_message_element *el;
+
+ ldb = ldb_module_get_ctx(ac->module);
- /* TODO: userAccountControl, badPwdCount, codePage,
- * countryCode, badPasswordTime, lastLogoff, lastLogon,
- * pwdLastSet, primaryGroupID, accountExpires, logonCount */
+ el = ldb_msg_find_element(ac->msg, "member");
+
+ ac->user_dn = ldb_dn_from_ldb_val(ac, ldb, &el->values[ac->cnt]);
+ if (!ldb_dn_validate(ac->user_dn))
+ return LDB_ERR_OPERATIONS_ERROR;
+ ac->prim_group_rid = 0;
+ return samldb_next_step(ac);
}
-static int samldb_foreign_notice_sid_callback(struct ldb_request *req,
- struct ldb_reply *ares)
+static int samldb_member_check_2(struct samldb_ctx *ac)
{
- struct samldb_ctx *ac;
- const char *nextRid;
- const char *name;
- int ret;
+ struct ldb_context *ldb;
- ac = talloc_get_type(req->context, struct samldb_ctx);
+ ldb = ldb_module_get_ctx(ac->module);
- if (!ares) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
- if (ares->error != LDB_SUCCESS) {
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
- }
+ ac->sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb),
+ ac->prim_group_rid);
+ if (ac->sid == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+ ac->res_dn = NULL;
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- /* save entry */
- if (ac->next_rid != 0) {
- /* one too many! */
- ldb_set_errstring(ac->module->ldb,
- "Invalid number of results while searching "
- "for domain object");
- ret = LDB_ERR_OPERATIONS_ERROR;
- break;
- }
+ return samldb_next_step(ac);
+}
- nextRid = ldb_msg_find_attr_as_string(ares->message,
- "nextRid", NULL);
- if (nextRid == NULL) {
- ldb_asprintf_errstring(ac->module->ldb,
- "while looking for forign sid %s attribute nextRid not found in %s\n",
- dom_sid_string(ares, ac->sid), ldb_dn_get_linearized(ares->message->dn));
- ret = LDB_ERR_OPERATIONS_ERROR;
- break;
- }
+static int samldb_member_check_3(struct samldb_ctx *ac)
+{
+ if (ldb_dn_compare(ac->res_dn, ac->msg->dn) == 0)
+ return LDB_ERR_ENTRY_ALREADY_EXISTS;
- ac->next_rid = strtol(nextRid, NULL, 0);
+ ++(ac->cnt);
- ac->domain_dn = talloc_steal(ac, ares->message->dn);
+ return samldb_next_step(ac);
+}
- name = samdb_result_string(ares->message, "name", NULL);
- ldb_debug(ac->module->ldb, LDB_DEBUG_TRACE,
- "NOTE (strange but valid): Adding foreign SID "
- "record with SID %s, but this domain (%s) is "
- "not foreign in the database",
- dom_sid_string(ares, ac->sid), name);
+static int samldb_member_check_4(struct samldb_ctx *ac)
+{
+ return ldb_next_request(ac->module, ac->req);
+}
- talloc_free(ares);
- break;
+static int samldb_member_check(struct samldb_ctx *ac)
+{
+ struct ldb_message_element *el;
+ int i, ret;
+
+ el = ldb_msg_find_element(ac->msg, "member");
+ ac->cnt = 0;
+ for (i = 0; i < el->num_values; i++) {
+ /* Denies to add "member"s to groups which are primary ones
+ * for them */
+ ret = samldb_add_step(ac, samldb_member_check_1);
+ if (ret != LDB_SUCCESS) return ret;
- case LDB_REPLY_REFERRAL:
- /* ignore */
- talloc_free(ares);
- break;
+ ret = samldb_add_step(ac, samldb_user_dn_to_prim_group_rid);
+ if (ret != LDB_SUCCESS) return ret;
- case LDB_REPLY_DONE:
+ ret = samldb_add_step(ac, samldb_member_check_2);
+ if (ret != LDB_SUCCESS) return ret;
- /* if this is a fake foreign SID, notice the SID */
- if (ac->domain_dn) {
- ret = samldb_notice_sid(ac);
- break;
- }
+ ret = samldb_add_step(ac, samldb_dn_from_sid);
+ if (ret != LDB_SUCCESS) return ret;
- /* found, go on */
- ret = samldb_next_step(ac);
- break;
+ ret = samldb_add_step(ac, samldb_member_check_3);
+ if (ret != LDB_SUCCESS) return ret;
}
-done:
- if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL, ret);
- }
+ ret = samldb_add_step(ac, samldb_member_check_4);
+ if (ret != LDB_SUCCESS) return ret;
- return LDB_SUCCESS;
+ return samldb_first_step(ac);
}
-/* Find a domain object in the parents of a particular DN. */
-static int samldb_foreign_notice_sid(struct samldb_ctx *ac)
+
+static int samldb_prim_group_users_check_1(struct samldb_ctx *ac)
+{
+ ac->dn = ac->req->op.del.dn;
+ ac->res_sid = NULL;
+
+ return samldb_next_step(ac);
+}
+
+static int samldb_prim_group_users_check_2(struct samldb_ctx *ac)
{
- static const char * const attrs[3] = { "nextRid", "name", NULL };
- struct ldb_request *req;
NTSTATUS status;
- char *filter;
- int ret;
+ uint32_t rid;
- if (ac->sid == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ if (ac->res_sid == NULL) {
+ /* No SID - therefore ok here */
+ return ldb_next_request(ac->module, ac->req);
}
-
- status = dom_sid_split_rid(ac, ac->sid, &ac->domain_sid, NULL);
- if (!NT_STATUS_IS_OK(status)) {
+ status = dom_sid_split_rid(ac, ac->res_sid, NULL, &rid);
+ if (!NT_STATUS_IS_OK(status))
return LDB_ERR_OPERATIONS_ERROR;
- }
- filter = talloc_asprintf(ac, "(&(objectSid=%s)(objectclass=domain))",
- ldap_encode_ndr_dom_sid(ac, ac->domain_sid));
- if (filter == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ if (rid == 0) {
+ /* Special object (security principal?) */
+ return ldb_next_request(ac->module, ac->req);
}
- ret = ldb_build_search_req(&req, ac->module->ldb, ac,
- ldb_get_default_basedn(ac->module->ldb),
- LDB_SCOPE_SUBTREE,
- filter, attrs,
- NULL,
- ac, samldb_foreign_notice_sid_callback,
- ac->req);
+ ac->prim_group_rid = rid;
+ ac->users_cnt = 0;
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ return samldb_next_step(ac);
+}
- ac->next_rid = 0;
- return ldb_next_request(ac->module, req);
+static int samldb_prim_group_users_check_3(struct samldb_ctx *ac)
+{
+ if (ac->users_cnt > 0)
+ return LDB_ERR_ENTRY_ALREADY_EXISTS;
+
+ return ldb_next_request(ac->module, ac->req);
}
-static int samldb_fill_foreignSecurityPrincipal_object(struct samldb_ctx *ac)
+static int samldb_prim_group_users_check(struct samldb_ctx *ac)
{
int ret;
- ac->sid = samdb_result_dom_sid(ac->msg, ac->msg, "objectSid");
- if (ac->sid == NULL) {
- ac->sid = dom_sid_parse_talloc(ac->msg,
- (const char *)ldb_dn_get_rdn_val(ac->msg->dn)->data);
- if (!ac->sid) {
- ldb_set_errstring(ac->module->ldb,
- "No valid found SID in "
- "ForeignSecurityPrincipal CN!");
- talloc_free(ac);
- return LDB_ERR_CONSTRAINT_VIOLATION;
- }
- if ( ! samldb_msg_add_sid(ac->msg, "objectSid", ac->sid)) {
- talloc_free(ac);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- }
+ /* Finds out the SID/RID of the domain object */
- /* first look for the template */
- ac->type = "foreignSecurityPrincipal";
- ret = samldb_add_step(ac, samldb_search_template);
+ ret = samldb_add_step(ac, samldb_prim_group_users_check_1);
if (ret != LDB_SUCCESS) return ret;
- /* then apply it */
- ret = samldb_add_step(ac, samldb_apply_template);
+ ret = samldb_add_step(ac, samldb_sid_from_dn);
if (ret != LDB_SUCCESS) return ret;
- /* check we do not already have this SID */
- ret = samldb_add_step(ac, samldb_check_sid);
+ /* Deny delete requests from groups which are primary ones */
+
+ ret = samldb_add_step(ac, samldb_prim_group_users_check_2);
if (ret != LDB_SUCCESS) return ret;
- /* check if we need to notice this SID */
- ret = samldb_add_step(ac, samldb_foreign_notice_sid);
+ ret = samldb_add_step(ac, samldb_prim_group_rid_to_users_cnt);
if (ret != LDB_SUCCESS) return ret;
- /* finally proceed with adding the entry */
- ret = samldb_add_step(ac, samldb_add_entry);
+ ret = samldb_add_step(ac, samldb_prim_group_users_check_3);
if (ret != LDB_SUCCESS) return ret;
return samldb_first_step(ac);
}
-static int samldb_check_rdn(struct ldb_module *module, struct ldb_dn *dn)
-{
- const char *rdn_name;
-
- rdn_name = ldb_dn_get_rdn_name(dn);
-
- if (strcasecmp(rdn_name, "cn") != 0) {
- ldb_asprintf_errstring(module->ldb,
- "Bad RDN (%s=) for samldb object, "
- "should be CN=!\n", rdn_name);
- return LDB_ERR_CONSTRAINT_VIOLATION;
- }
-
- return LDB_SUCCESS;
-}
-/* add_record */
+/* add */
static int samldb_add(struct ldb_module *module, struct ldb_request *req)
{
+ struct ldb_context *ldb;
struct samldb_ctx *ac;
int ret;
- ldb_debug(module->ldb, LDB_DEBUG_TRACE, "samldb_add_record\n");
+ ldb = ldb_module_get_ctx(module);
+ ldb_debug(ldb, LDB_DEBUG_TRACE, "samldb_add\n");
/* do not manipulate our control entries */
if (ldb_dn_is_special(req->op.add.message->dn)) {
ac->msg = ldb_msg_copy(ac, ac->req->op.add.message);
if (!ac->msg) {
talloc_free(ac);
- ldb_debug(ac->module->ldb, LDB_DEBUG_FATAL,
+ ldb_debug(ldb, LDB_DEBUG_FATAL,
"samldb_add: ldb_msg_copy failed!\n");
return LDB_ERR_OPERATIONS_ERROR;
}
- if (samdb_find_attribute(module->ldb, ac->msg,
+ if (samdb_find_attribute(ldb, ac->msg,
"objectclass", "computer") != NULL) {
/* make sure the computer object also has the 'user'
* objectclass so it will be handled by the next call */
- ret = samdb_find_or_add_value(module->ldb, ac->msg,
+ ret = samdb_find_or_add_value(ldb, ac->msg,
"objectclass", "user");
if (ret != LDB_SUCCESS) {
talloc_free(ac);
}
}
- if (samdb_find_attribute(module->ldb, ac->msg,
+ if (samdb_find_attribute(ldb, ac->msg,
"objectclass", "user") != NULL) {
ret = samldb_check_rdn(module, ac->req->op.add.message->dn);
return samldb_fill_object(ac, "user");
}
- if (samdb_find_attribute(module->ldb, ac->msg,
+ if (samdb_find_attribute(ldb, ac->msg,
"objectclass", "group") != NULL) {
ret = samldb_check_rdn(module, ac->req->op.add.message->dn);
}
/* perhaps a foreignSecurityPrincipal? */
- if (samdb_find_attribute(module->ldb, ac->msg,
+ if (samdb_find_attribute(ldb, ac->msg,
"objectclass",
"foreignSecurityPrincipal") != NULL) {
return samldb_fill_foreignSecurityPrincipal_object(ac);
}
+ if (samdb_find_attribute(ldb, ac->msg,
+ "objectclass", "classSchema") != NULL) {
+
+ ret = samldb_check_rdn(module, ac->req->op.add.message->dn);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ return ret;
+ }
+
+ return samldb_fill_object(ac, "classSchema");
+ }
+
+ if (samdb_find_attribute(ldb, ac->msg,
+ "objectclass", "attributeSchema") != NULL) {
+
+ ret = samldb_check_rdn(module, ac->req->op.add.message->dn);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(ac);
+ return ret;
+ }
+
+ return samldb_fill_object(ac, "attributeSchema");
+ }
+
talloc_free(ac);
/* nothing matched, go on */
/* modify */
static int samldb_modify(struct ldb_module *module, struct ldb_request *req)
{
+ struct ldb_context *ldb;
struct ldb_message *msg;
struct ldb_message_element *el, *el2;
int ret;
- unsigned int group_type, user_account_control, account_type;
- if (ldb_dn_is_special(req->op.mod.message->dn)) { /* do not manipulate our control entries */
+ uint32_t account_type;
+
+ if (ldb_dn_is_special(req->op.mod.message->dn)) {
+ /* do not manipulate our control entries */
return ldb_next_request(module, req);
}
+ ldb = ldb_module_get_ctx(module);
+
if (ldb_msg_find_element(req->op.mod.message, "sAMAccountType") != NULL) {
- ldb_asprintf_errstring(module->ldb, "sAMAccountType must not be specified");
+ ldb_asprintf_errstring(ldb,
+ "sAMAccountType must not be specified!");
return LDB_ERR_UNWILLING_TO_PERFORM;
}
el = ldb_msg_find_element(req->op.mod.message, "groupType");
if (el && el->flags & (LDB_FLAG_MOD_ADD|LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
- req->op.mod.message = msg = ldb_msg_copy_shallow(req, req->op.mod.message);
+ uint32_t group_type;
+
+ req->op.mod.message = msg = ldb_msg_copy_shallow(req,
+ req->op.mod.message);
group_type = strtoul((const char *)el->values[0].data, NULL, 0);
- account_type = samdb_gtype2atype(group_type);
- ret = samdb_msg_add_uint(module->ldb, msg, msg,
+ account_type = ds_gtype2atype(group_type);
+ ret = samdb_msg_add_uint(ldb, msg, msg,
"sAMAccountType",
account_type);
if (ret != LDB_SUCCESS) {
el = ldb_msg_find_element(req->op.mod.message, "userAccountControl");
if (el && el->flags & (LDB_FLAG_MOD_ADD|LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
- req->op.mod.message = msg = ldb_msg_copy_shallow(req, req->op.mod.message);
+ uint32_t user_account_control;
- user_account_control = strtoul((const char *)el->values[0].data, NULL, 0);
- account_type = samdb_uf2atype(user_account_control);
- ret = samdb_msg_add_uint(module->ldb, msg, msg,
+ req->op.mod.message = msg = ldb_msg_copy_shallow(req,
+ req->op.mod.message);
+
+ user_account_control = strtoul((const char *)el->values[0].data,
+ NULL, 0);
+ account_type = ds_uf2atype(user_account_control);
+ ret = samdb_msg_add_uint(ldb, msg, msg,
"sAMAccountType",
account_type);
if (ret != LDB_SUCCESS) {
}
el2 = ldb_msg_find_element(msg, "sAMAccountType");
el2->flags = LDB_FLAG_MOD_REPLACE;
+
+ if (user_account_control & UF_SERVER_TRUST_ACCOUNT) {
+ ret = samdb_msg_add_string(ldb, msg, msg,
+ "isCriticalSystemObject", "TRUE");
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el2 = ldb_msg_find_element(msg, "isCriticalSystemObject");
+ el2->flags = LDB_FLAG_MOD_REPLACE;
+ }
+ }
+
+ el = ldb_msg_find_element(req->op.mod.message, "primaryGroupID");
+ if (el && el->flags & (LDB_FLAG_MOD_ADD|LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
+ struct samldb_ctx *ac;
+
+ ac = samldb_ctx_init(module, req);
+ if (ac == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ req->op.mod.message = ac->msg = ldb_msg_copy_shallow(req,
+ req->op.mod.message);
+
+ return samldb_prim_group_change(ac);
+ }
+
+ el = ldb_msg_find_element(req->op.mod.message, "member");
+ if (el && el->flags & (LDB_FLAG_MOD_ADD|LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
+ struct samldb_ctx *ac;
+
+ ac = samldb_ctx_init(module, req);
+ if (ac == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ req->op.mod.message = ac->msg = ldb_msg_copy_shallow(req,
+ req->op.mod.message);
+
+ return samldb_member_check(ac);
}
+
+ /* nothing matched, go on */
return ldb_next_request(module, req);
}
+/* delete */
+static int samldb_delete(struct ldb_module *module, struct ldb_request *req)
+{
+ struct samldb_ctx *ac;
+
+ if (ldb_dn_is_special(req->op.del.dn)) {
+ /* do not manipulate our control entries */
+ return ldb_next_request(module, req);
+ }
+
+ ac = samldb_ctx_init(module, req);
+ if (ac == NULL)
+ return LDB_ERR_OPERATIONS_ERROR;
+
+ return samldb_prim_group_users_check(ac);
+}
+
static int samldb_init(struct ldb_module *module)
{
.name = "samldb",
.init_context = samldb_init,
.add = samldb_add,
- .modify = samldb_modify
+ .modify = samldb_modify,
+ .del = samldb_delete
};
+