diff options
Diffstat (limited to 'source4/ldap_server/ldap_backend.c')
-rw-r--r-- | source4/ldap_server/ldap_backend.c | 768 |
1 files changed, 768 insertions, 0 deletions
diff --git a/source4/ldap_server/ldap_backend.c b/source4/ldap_server/ldap_backend.c new file mode 100644 index 0000000000..504dcf1c0f --- /dev/null +++ b/source4/ldap_server/ldap_backend.c @@ -0,0 +1,768 @@ +/* + Unix SMB/CIFS implementation. + LDAP server + Copyright (C) Stefan Metzmacher 2004 + + 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 "ldap_server/ldap_server.h" +#include "lib/util/dlinklist.h" +#include "libcli/ldap/ldap.h" +#include "auth/credentials/credentials.h" +#include "auth/gensec/gensec.h" +#include "param/param.h" +#include "smbd/service_stream.h" +#include "dsdb/samdb/samdb.h" +#include "lib/ldb/include/ldb_errors.h" +#include "lib/ldb_wrap.h" + +#define VALID_DN_SYNTAX(dn,i) do {\ + if (!(dn)) {\ + return NT_STATUS_NO_MEMORY;\ + } else if ( ! ldb_dn_validate(dn)) {\ + result = LDAP_INVALID_DN_SYNTAX;\ + errstr = "Invalid DN format";\ + goto reply;\ + } else if (ldb_dn_get_comp_num(dn) < (i)) {\ + result = LDAP_INVALID_DN_SYNTAX;\ + errstr = "Invalid DN (" #i " components needed for '" #dn "')";\ + goto reply;\ + }\ +} while(0) + +static int map_ldb_error(struct ldb_context *ldb, int err, const char **errstring) +{ + *errstring = ldb_errstring(ldb); + + /* its 1:1 for now */ + return err; +} + +/* + connect to the sam database +*/ +NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn) +{ + conn->ldb = ldb_wrap_connect(conn, + conn->connection->event.ctx, + conn->lp_ctx, + lp_sam_url(conn->lp_ctx), + conn->session_info, + samdb_credentials(conn, conn->connection->event.ctx, conn->lp_ctx), + conn->global_catalog ? LDB_FLG_RDONLY : 0, NULL); + if (conn->ldb == NULL) { + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + if (conn->server_credentials) { + char **sasl_mechs = NULL; + struct gensec_security_ops **backends = gensec_security_all(); + struct gensec_security_ops **ops + = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials); + int i, j = 0; + for (i = 0; ops && ops[i]; i++) { + if (ops[i]->sasl_name && ops[i]->server_start) { + char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name); + + if (!sasl_name) { + return NT_STATUS_NO_MEMORY; + } + sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2); + if (!sasl_mechs) { + return NT_STATUS_NO_MEMORY; + } + sasl_mechs[j] = sasl_name; + talloc_steal(sasl_mechs, sasl_name); + sasl_mechs[j+1] = NULL; + j++; + } + } + talloc_free(ops); + ldb_set_opaque(conn->ldb, "supportedSASLMechanims", sasl_mechs); + } + + return NT_STATUS_OK; +} + +struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type) +{ + struct ldapsrv_reply *reply; + + reply = talloc(call, struct ldapsrv_reply); + if (!reply) { + return NULL; + } + reply->msg = talloc(reply, struct ldap_message); + if (reply->msg == NULL) { + talloc_free(reply); + return NULL; + } + + reply->msg->messageid = call->request->messageid; + reply->msg->type = type; + reply->msg->controls = NULL; + + return reply; +} + +void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply) +{ + DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *); +} + +static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error) +{ + struct ldapsrv_reply *reply; + struct ldap_ExtendedResponse *r; + + DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid)); + + reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse); + if (!reply) { + return NT_STATUS_NO_MEMORY; + } + + r = &reply->msg->r.ExtendedResponse; + r->response.resultcode = error; + r->response.dn = NULL; + r->response.errormessage = NULL; + r->response.referral = NULL; + r->oid = NULL; + r->value = NULL; + + ldapsrv_queue_reply(call, reply); + return NT_STATUS_OK; +} + +static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call) +{ + struct ldap_SearchRequest *req = &call->request->r.SearchRequest; + struct ldap_SearchResEntry *ent; + struct ldap_Result *done; + struct ldapsrv_reply *ent_r, *done_r; + void *local_ctx; + struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context); + struct ldb_dn *basedn; + struct ldb_result *res = NULL; + struct ldb_request *lreq; + enum ldb_scope scope = LDB_SCOPE_DEFAULT; + const char **attrs = NULL; + const char *scope_str, *errstr = NULL; + int success_limit = 1; + int result = -1; + int ldb_ret = -1; + int i, j; + + DEBUG(10, ("SearchRequest")); + DEBUGADD(10, (" basedn: %s", req->basedn)); + DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree))); + + local_ctx = talloc_new(call); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + basedn = ldb_dn_new(local_ctx, samdb, req->basedn); + VALID_DN_SYNTAX(basedn, 0); + + DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn)); + DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree))); + + switch (req->scope) { + case LDAP_SEARCH_SCOPE_BASE: + scope_str = "BASE"; + scope = LDB_SCOPE_BASE; + success_limit = 0; + break; + case LDAP_SEARCH_SCOPE_SINGLE: + scope_str = "ONE"; + scope = LDB_SCOPE_ONELEVEL; + success_limit = 0; + break; + case LDAP_SEARCH_SCOPE_SUB: + scope_str = "SUB"; + scope = LDB_SCOPE_SUBTREE; + success_limit = 0; + break; + default: + result = LDAP_PROTOCOL_ERROR; + errstr = "Invalid scope"; + goto reply; + } + DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str)); + + if (req->num_attributes >= 1) { + attrs = talloc_array(local_ctx, const char *, req->num_attributes+1); + NT_STATUS_HAVE_NO_MEMORY(attrs); + + for (i=0; i < req->num_attributes; i++) { + DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i])); + attrs[i] = req->attributes[i]; + } + attrs[i] = NULL; + } + + DEBUG(5,("ldb_request %s dn=%s filter=%s\n", + scope_str, req->basedn, ldb_filter_from_tree(call, req->tree))); + + lreq = talloc(local_ctx, struct ldb_request); + NT_STATUS_HAVE_NO_MEMORY(lreq); + + lreq->operation = LDB_SEARCH; + lreq->op.search.base = basedn; + lreq->op.search.scope = scope; + lreq->op.search.tree = req->tree; + lreq->op.search.attrs = attrs; + + lreq->controls = call->request->controls; + + if (call->conn->global_catalog) { + struct ldb_control *search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID); + + struct ldb_search_options_control *search_options = NULL; + if (search_control) { + search_options = talloc_get_type(search_control->data, struct ldb_search_options_control); + search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT; + } else { + search_options = talloc(lreq, struct ldb_search_options_control); + NT_STATUS_HAVE_NO_MEMORY(search_options); + search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT; + ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options); + } + } + + res = talloc_zero(lreq, struct ldb_result); + NT_STATUS_HAVE_NO_MEMORY(res); + + lreq->context = res; + lreq->callback = ldb_search_default_callback; + + /* Copy the timeout from the incoming call */ + ldb_set_timeout(samdb, lreq, req->timelimit); + + ldb_ret = ldb_request(samdb, lreq); + + if (ldb_ret != LDB_SUCCESS) { + goto reply; + } + + ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL); + + if (ldb_ret == LDB_SUCCESS) { + for (i = 0; i < res->count; i++) { + ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry); + NT_STATUS_HAVE_NO_MEMORY(ent_r); + + /* Better to have the whole message kept here, + * than to find someone further up didn't put + * a value in the right spot in the talloc tree */ + talloc_steal(ent_r, res->msgs[i]); + + ent = &ent_r->msg->r.SearchResultEntry; + ent->dn = ldb_dn_alloc_linearized(ent_r, res->msgs[i]->dn); + ent->num_attributes = 0; + ent->attributes = NULL; + if (res->msgs[i]->num_elements == 0) { + goto queue_reply; + } + ent->num_attributes = res->msgs[i]->num_elements; + ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes); + NT_STATUS_HAVE_NO_MEMORY(ent->attributes); + for (j=0; j < ent->num_attributes; j++) { + ent->attributes[j].name = talloc_steal(ent->attributes, res->msgs[i]->elements[j].name); + ent->attributes[j].num_values = 0; + ent->attributes[j].values = NULL; + if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) { + continue; + } + ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values; + ent->attributes[j].values = res->msgs[i]->elements[j].values; + talloc_steal(ent->attributes, res->msgs[i]->elements[j].values); + } +queue_reply: + ldapsrv_queue_reply(call, ent_r); + } + } + +reply: + done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone); + NT_STATUS_HAVE_NO_MEMORY(done_r); + + done = &done_r->msg->r.SearchResultDone; + done->dn = NULL; + done->referral = NULL; + + if (result != -1) { + } else if (ldb_ret == LDB_SUCCESS) { + if (res->count >= success_limit) { + DEBUG(10,("SearchRequest: results: [%d]\n", res->count)); + result = LDAP_SUCCESS; + errstr = NULL; + } + if (res->controls) { + done_r->msg->controls = res->controls; + talloc_steal(done_r, res->controls); + } + } else { + DEBUG(10,("SearchRequest: error\n")); + result = map_ldb_error(samdb, ldb_ret, &errstr); + } + + done->resultcode = result; + done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL); + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, done_r); + return NT_STATUS_OK; +} + +static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call) +{ + struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest; + struct ldap_Result *modify_result; + struct ldapsrv_reply *modify_reply; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_message *msg = NULL; + struct ldb_dn *dn; + const char *errstr = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; + int i,j; + + DEBUG(10, ("ModifyRequest")); + DEBUGADD(10, (" dn: %s", req->dn)); + + local_ctx = talloc_named(call, 0, "ModifyRequest local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + dn = ldb_dn_new(local_ctx, samdb, req->dn); + VALID_DN_SYNTAX(dn, 0); + + DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn)); + + msg = talloc(local_ctx, struct ldb_message); + NT_STATUS_HAVE_NO_MEMORY(msg); + + msg->dn = dn; + msg->num_elements = 0; + msg->elements = NULL; + + if (req->num_mods > 0) { + msg->num_elements = req->num_mods; + msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods); + NT_STATUS_HAVE_NO_MEMORY(msg->elements); + + for (i=0; i < msg->num_elements; i++) { + msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name); + msg->elements[i].num_values = 0; + msg->elements[i].values = NULL; + + switch (req->mods[i].type) { + default: + result = LDAP_PROTOCOL_ERROR; + errstr = "Invalid LDAP_MODIFY_* type"; + goto reply; + case LDAP_MODIFY_ADD: + msg->elements[i].flags = LDB_FLAG_MOD_ADD; + break; + case LDAP_MODIFY_DELETE: + msg->elements[i].flags = LDB_FLAG_MOD_DELETE; + break; + case LDAP_MODIFY_REPLACE: + msg->elements[i].flags = LDB_FLAG_MOD_REPLACE; + break; + } + + msg->elements[i].num_values = req->mods[i].attrib.num_values; + if (msg->elements[i].num_values > 0) { + msg->elements[i].values = talloc_array(msg->elements, struct ldb_val, + msg->elements[i].num_values); + NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values); + + for (j=0; j < msg->elements[i].num_values; j++) { + if (!(req->mods[i].attrib.values[j].length > 0)) { + result = LDAP_OTHER; + errstr = "Empty attribute values are not allowed"; + goto reply; + } + msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length; + msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data; + } + } + } + } else { + result = LDAP_OTHER; + errstr = "No mods are not allowed"; + goto reply; + } + +reply: + modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse); + NT_STATUS_HAVE_NO_MEMORY(modify_reply); + + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_modify(samdb, msg); + result = map_ldb_error(samdb, ldb_ret, &errstr); + } + + modify_result = &modify_reply->msg->r.AddResponse; + modify_result->dn = NULL; + modify_result->resultcode = result; + modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL); + modify_result->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, modify_reply); + return NT_STATUS_OK; + +} + +static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call) +{ + struct ldap_AddRequest *req = &call->request->r.AddRequest; + struct ldap_Result *add_result; + struct ldapsrv_reply *add_reply; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_message *msg = NULL; + struct ldb_dn *dn; + const char *errstr = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; + int i,j; + + DEBUG(10, ("AddRequest")); + DEBUGADD(10, (" dn: %s", req->dn)); + + local_ctx = talloc_named(call, 0, "AddRequest local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + dn = ldb_dn_new(local_ctx, samdb, req->dn); + VALID_DN_SYNTAX(dn,1); + + DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn)); + + msg = talloc(local_ctx, struct ldb_message); + NT_STATUS_HAVE_NO_MEMORY(msg); + + msg->dn = dn; + msg->num_elements = 0; + msg->elements = NULL; + + if (req->num_attributes > 0) { + msg->num_elements = req->num_attributes; + msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements); + NT_STATUS_HAVE_NO_MEMORY(msg->elements); + + for (i=0; i < msg->num_elements; i++) { + msg->elements[i].name = discard_const_p(char, req->attributes[i].name); + msg->elements[i].flags = 0; + msg->elements[i].num_values = 0; + msg->elements[i].values = NULL; + + if (req->attributes[i].num_values > 0) { + msg->elements[i].num_values = req->attributes[i].num_values; + msg->elements[i].values = talloc_array(msg->elements, struct ldb_val, + msg->elements[i].num_values); + NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values); + + for (j=0; j < msg->elements[i].num_values; j++) { + if (!(req->attributes[i].values[j].length > 0)) { + result = LDAP_OTHER; + errstr = "Empty attribute values are not allowed"; + goto reply; + } + msg->elements[i].values[j].length = req->attributes[i].values[j].length; + msg->elements[i].values[j].data = req->attributes[i].values[j].data; + } + } else { + result = LDAP_OTHER; + errstr = "No attribute values are not allowed"; + goto reply; + } + } + } else { + result = LDAP_OTHER; + errstr = "No attributes are not allowed"; + goto reply; + } + +reply: + add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse); + NT_STATUS_HAVE_NO_MEMORY(add_reply); + + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_add(samdb, msg); + result = map_ldb_error(samdb, ldb_ret, &errstr); + } + + add_result = &add_reply->msg->r.AddResponse; + add_result->dn = NULL; + add_result->resultcode = result; + add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL); + add_result->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, add_reply); + return NT_STATUS_OK; + +} + +static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call) +{ + struct ldap_DelRequest *req = &call->request->r.DelRequest; + struct ldap_Result *del_result; + struct ldapsrv_reply *del_reply; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_dn *dn; + const char *errstr = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; + + DEBUG(10, ("DelRequest")); + DEBUGADD(10, (" dn: %s", req->dn)); + + local_ctx = talloc_named(call, 0, "DelRequest local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + dn = ldb_dn_new(local_ctx, samdb, req->dn); + VALID_DN_SYNTAX(dn,1); + + DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn)); + +reply: + del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse); + NT_STATUS_HAVE_NO_MEMORY(del_reply); + + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_delete(samdb, dn); + result = map_ldb_error(samdb, ldb_ret, &errstr); + } + + del_result = &del_reply->msg->r.DelResponse; + del_result->dn = NULL; + del_result->resultcode = result; + del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL); + del_result->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, del_reply); + return NT_STATUS_OK; +} + +static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call) +{ + struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest; + struct ldap_Result *modifydn; + struct ldapsrv_reply *modifydn_r; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_dn *olddn, *newdn=NULL, *newrdn; + struct ldb_dn *parentdn = NULL; + const char *errstr = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; + + DEBUG(10, ("ModifyDNRequrest")); + DEBUGADD(10, (" dn: %s", req->dn)); + DEBUGADD(10, (" newrdn: %s", req->newrdn)); + + local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + olddn = ldb_dn_new(local_ctx, samdb, req->dn); + VALID_DN_SYNTAX(olddn, 2); + + newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn); + VALID_DN_SYNTAX(newrdn, 1); + + DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn)); + DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn)); + + /* we can't handle the rename if we should not remove the old dn */ + if (!req->deleteolddn) { + result = LDAP_UNWILLING_TO_PERFORM; + errstr = "Old RDN must be deleted"; + goto reply; + } + + if (req->newsuperior) { + parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior); + VALID_DN_SYNTAX(parentdn, 0); + DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior)); + + if (ldb_dn_get_comp_num(parentdn) < 1) { + result = LDAP_AFFECTS_MULTIPLE_DSAS; + errstr = "Error new Superior DN invalid"; + goto reply; + } + } + + if (!parentdn) { + parentdn = ldb_dn_get_parent(local_ctx, olddn); + NT_STATUS_HAVE_NO_MEMORY(parentdn); + } + + if ( ! ldb_dn_add_child_fmt(parentdn, + "%s=%s", + ldb_dn_get_rdn_name(newrdn), + (char *)ldb_dn_get_rdn_val(newrdn)->data)) { + result = LDAP_OTHER; + goto reply; + } + newdn = parentdn; + +reply: + modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse); + NT_STATUS_HAVE_NO_MEMORY(modifydn_r); + + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_rename(samdb, olddn, newdn); + result = map_ldb_error(samdb, ldb_ret, &errstr); + } + + modifydn = &modifydn_r->msg->r.ModifyDNResponse; + modifydn->dn = NULL; + modifydn->resultcode = result; + modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL); + modifydn->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, modifydn_r); + return NT_STATUS_OK; +} + +static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call) +{ + struct ldap_CompareRequest *req = &call->request->r.CompareRequest; + struct ldap_Result *compare; + struct ldapsrv_reply *compare_r; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_result *res = NULL; + struct ldb_dn *dn; + const char *attrs[1]; + const char *errstr = NULL; + const char *filter = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; + + DEBUG(10, ("CompareRequest")); + DEBUGADD(10, (" dn: %s", req->dn)); + + local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + dn = ldb_dn_new(local_ctx, samdb, req->dn); + VALID_DN_SYNTAX(dn, 1); + + DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn)); + filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute, + (int)req->value.length, req->value.data); + NT_STATUS_HAVE_NO_MEMORY(filter); + + DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter)); + + attrs[0] = NULL; + +reply: + compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse); + NT_STATUS_HAVE_NO_MEMORY(compare_r); + + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_search(samdb, dn, LDB_SCOPE_BASE, filter, attrs, &res); + talloc_steal(local_ctx, res); + if (ldb_ret != LDB_SUCCESS) { + result = map_ldb_error(samdb, ldb_ret, &errstr); + DEBUG(10,("CompareRequest: error: %s\n", errstr)); + } else if (res->count == 0) { + DEBUG(10,("CompareRequest: doesn't matched\n")); + result = LDAP_COMPARE_FALSE; + errstr = NULL; + } else if (res->count == 1) { + DEBUG(10,("CompareRequest: matched\n")); + result = LDAP_COMPARE_TRUE; + errstr = NULL; + } else if (res->count > 1) { + result = LDAP_OTHER; + errstr = "too many objects match"; + DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr)); + } + } + + compare = &compare_r->msg->r.CompareResponse; + compare->dn = NULL; + compare->resultcode = result; + compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL); + compare->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, compare_r); + return NT_STATUS_OK; +} + +static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call) +{ +/* struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/ + DEBUG(10, ("AbandonRequest\n")); + return NT_STATUS_OK; +} + +NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call) +{ + int i; + struct ldap_message *msg = call->request; + /* Check for undecoded critical extensions */ + for (i=0; msg->controls && msg->controls[i]; i++) { + if (!msg->controls_decoded[i] && + msg->controls[i]->critical) { + DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n", + msg->controls[i]->oid)); + return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION); + } + } + + switch(call->request->type) { + case LDAP_TAG_BindRequest: + return ldapsrv_BindRequest(call); + case LDAP_TAG_UnbindRequest: + return ldapsrv_UnbindRequest(call); + case LDAP_TAG_SearchRequest: + return ldapsrv_SearchRequest(call); + case LDAP_TAG_ModifyRequest: + return ldapsrv_ModifyRequest(call); + case LDAP_TAG_AddRequest: + return ldapsrv_AddRequest(call); + case LDAP_TAG_DelRequest: + return ldapsrv_DelRequest(call); + case LDAP_TAG_ModifyDNRequest: + return ldapsrv_ModifyDNRequest(call); + case LDAP_TAG_CompareRequest: + return ldapsrv_CompareRequest(call); + case LDAP_TAG_AbandonRequest: + return ldapsrv_AbandonRequest(call); + case LDAP_TAG_ExtendedRequest: + return ldapsrv_ExtendedRequest(call); + default: + return ldapsrv_unwilling(call, 2); + } +} |