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authorStefan Metzmacher <metze@samba.org>2010-09-22 14:24:03 +0200
committerStefan Metzmacher <metze@samba.org>2010-10-08 11:55:26 +0000
commit61c7b67df9ba484c0e810c07c8da852edf1ef2fc (patch)
tree3ee039f28f60d23abb5ced22b90c76c77db3a6bf /source4/ldap_server/ldap_server.c
parent9300f922ae570756651c6f9979dd3e490ce2fd4e (diff)
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s4:ldap_server: rewrite to socket layer to use tstream
This should make our sasl and tls handling much more robust against partial sent pdus. metze Autobuild-User: Stefan Metzmacher <metze@samba.org> Autobuild-Date: Fri Oct 8 11:55:26 UTC 2010 on sn-devel-104
Diffstat (limited to 'source4/ldap_server/ldap_server.c')
-rw-r--r--source4/ldap_server/ldap_server.c762
1 files changed, 522 insertions, 240 deletions
diff --git a/source4/ldap_server/ldap_server.c b/source4/ldap_server/ldap_server.c
index d75ddccb1d..e196fbf46f 100644
--- a/source4/ldap_server/ldap_server.c
+++ b/source4/ldap_server/ldap_server.c
@@ -22,6 +22,7 @@
*/
#include "includes.h"
+#include "system/network.h"
#include "lib/events/events.h"
#include "auth/auth.h"
#include "auth/credentials/credentials.h"
@@ -42,173 +43,97 @@
#include "lib/socket/netif.h"
#include "dsdb/samdb/samdb.h"
#include "param/param.h"
-/*
- close the socket and shutdown a server_context
-*/
-void ldapsrv_terminate_connection(struct ldapsrv_connection *conn,
- const char *reason)
-{
- packet_recv_disable(conn->packet);
- TALLOC_FREE(conn->packet);
- TALLOC_FREE(conn->sockets.tls);
- stream_terminate_connection(conn->connection, reason);
-}
+#include "../lib/tsocket/tsocket.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "../libcli/util/tstream.h"
-/*
- handle packet errors
-*/
-static void ldapsrv_error_handler(void *private_data, NTSTATUS status)
-{
- struct ldapsrv_connection *conn = talloc_get_type(private_data,
- struct ldapsrv_connection);
- ldapsrv_terminate_connection(conn, nt_errstr(status));
-}
+static void ldapsrv_terminate_connection_done(struct tevent_req *subreq);
/*
- process a decoded ldap message
+ close the socket and shutdown a server_context
*/
-static void ldapsrv_process_message(struct ldapsrv_connection *conn,
- struct ldap_message *msg)
+static void ldapsrv_terminate_connection(struct ldapsrv_connection *conn,
+ const char *reason)
{
- struct ldapsrv_call *call;
- NTSTATUS status;
- DATA_BLOB blob;
+ struct tevent_req *subreq;
- call = talloc(conn, struct ldapsrv_call);
- if (!call) {
- ldapsrv_terminate_connection(conn, "no memory");
+ if (conn->limits.reason) {
return;
}
- call->request = talloc_steal(call, msg);
- call->conn = conn;
- call->replies = NULL;
- call->send_callback = NULL;
- call->send_private = NULL;
-
- /* make the call */
- status = ldapsrv_do_call(call);
- if (!NT_STATUS_IS_OK(status)) {
- talloc_free(call);
- return;
- }
-
- blob = data_blob(NULL, 0);
-
- if (call->replies == NULL) {
- talloc_free(call);
- return;
- }
-
- /* build all the replies into a single blob */
- while (call->replies) {
- DATA_BLOB b;
- bool ret;
-
- msg = call->replies->msg;
- if (!ldap_encode(msg, samba_ldap_control_handlers(), &b, call)) {
- DEBUG(0,("Failed to encode ldap reply of type %d\n", msg->type));
- talloc_free(call);
- return;
- }
-
- ret = data_blob_append(call, &blob, b.data, b.length);
- data_blob_free(&b);
-
- talloc_set_name_const(blob.data, "Outgoing, encoded LDAP packet");
+ conn->limits.endtime = timeval_current_ofs(0, 500);
- if (!ret) {
- talloc_free(call);
- return;
- }
+ DEBUG(2,("ldapsrv_terminate_connection: %s - disconnecting\n",
+ reason));
- DLIST_REMOVE(call->replies, call->replies);
+ tevent_queue_stop(conn->sockets.send_queue);
+ if (conn->active_call) {
+ tevent_req_cancel(conn->active_call);
+ conn->active_call = NULL;
}
- packet_send_callback(conn->packet, blob,
- call->send_callback, call->send_private);
- talloc_free(call);
- return;
-}
-
-/*
- disable packets on other sockets while processing this one
- */
-static void ldapsrv_disable_recv(struct ldapsrv_connection *conn)
-{
- struct ldapsrv_packet_interfaces *p;
- for (p=conn->service->packet_interfaces; p; p=p->next) {
- if (p->packet != conn->packet) {
- packet_recv_disable(p->packet);
- }
+ conn->limits.reason = talloc_strdup(conn, reason);
+ if (conn->limits.reason == NULL) {
+ TALLOC_FREE(conn->sockets.tls);
+ TALLOC_FREE(conn->sockets.sasl);
+ TALLOC_FREE(conn->sockets.raw);
+ stream_terminate_connection(conn->connection, reason);
+ return;
}
-}
-/*
- disable packets on other sockets while processing this one
- */
-static void ldapsrv_enable_recv(struct ldapsrv_connection *conn)
-{
- struct ldapsrv_packet_interfaces *p;
- for (p=conn->service->packet_interfaces; p; p=p->next) {
- if (p->packet != conn->packet) {
- packet_recv_enable(p->packet);
- }
+ subreq = tstream_disconnect_send(conn,
+ conn->connection->event.ctx,
+ conn->sockets.active);
+ if (subreq == NULL) {
+ TALLOC_FREE(conn->sockets.tls);
+ TALLOC_FREE(conn->sockets.sasl);
+ TALLOC_FREE(conn->sockets.raw);
+ stream_terminate_connection(conn->connection, reason);
+ return;
}
+ tevent_req_set_endtime(subreq,
+ conn->connection->event.ctx,
+ conn->limits.endtime);
+ tevent_req_set_callback(subreq, ldapsrv_terminate_connection_done, conn);
}
-/*
- decode/process data
-*/
-static NTSTATUS ldapsrv_decode(void *private_data, DATA_BLOB blob)
+static void ldapsrv_terminate_connection_done(struct tevent_req *subreq)
{
- NTSTATUS status;
- struct ldapsrv_connection *conn = talloc_get_type(private_data,
- struct ldapsrv_connection);
- struct asn1_data *asn1 = asn1_init(conn);
- struct ldap_message *msg = talloc(conn, struct ldap_message);
+ struct ldapsrv_connection *conn =
+ tevent_req_callback_data(subreq,
+ struct ldapsrv_connection);
+ int ret;
+ int sys_errno;
- if (asn1 == NULL || msg == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ ret = tstream_disconnect_recv(subreq, &sys_errno);
+ TALLOC_FREE(subreq);
- if (!asn1_load(asn1, blob)) {
- talloc_free(msg);
- talloc_free(asn1);
- return NT_STATUS_NO_MEMORY;
+ if (conn->sockets.active == conn->sockets.raw) {
+ TALLOC_FREE(conn->sockets.tls);
+ TALLOC_FREE(conn->sockets.sasl);
+ TALLOC_FREE(conn->sockets.raw);
+ stream_terminate_connection(conn->connection,
+ conn->limits.reason);
+ return;
}
- status = ldap_decode(asn1, samba_ldap_control_handlers(), msg);
- if (!NT_STATUS_IS_OK(status)) {
- asn1_free(asn1);
- return status;
+ TALLOC_FREE(conn->sockets.tls);
+ TALLOC_FREE(conn->sockets.sasl);
+ conn->sockets.active = conn->sockets.raw;
+
+ subreq = tstream_disconnect_send(conn,
+ conn->connection->event.ctx,
+ conn->sockets.active);
+ if (subreq == NULL) {
+ TALLOC_FREE(conn->sockets.raw);
+ stream_terminate_connection(conn->connection,
+ conn->limits.reason);
+ return;
}
-
- data_blob_free(&blob);
- talloc_steal(conn, msg);
- asn1_free(asn1);
-
- /* disable messages on other sockets while processing this one */
- ldapsrv_disable_recv(conn);
-
- ldapsrv_process_message(conn, msg);
-
- ldapsrv_enable_recv(conn);
-
- return NT_STATUS_OK;
-}
-
-/*
- Idle timeout handler
-*/
-static void ldapsrv_conn_idle_timeout(struct tevent_context *ev,
- struct tevent_timer *te,
- struct timeval t,
- void *private_data)
-{
- struct ldapsrv_connection *conn = talloc_get_type(private_data, struct ldapsrv_connection);
-
- ldapsrv_terminate_connection(conn, "Timeout. No requests after bind");
+ tevent_req_set_endtime(subreq,
+ conn->connection->event.ctx,
+ conn->limits.endtime);
+ tevent_req_set_callback(subreq, ldapsrv_terminate_connection_done, conn);
}
/*
@@ -216,25 +141,7 @@ static void ldapsrv_conn_idle_timeout(struct tevent_context *ev,
*/
void ldapsrv_recv(struct stream_connection *c, uint16_t flags)
{
- struct ldapsrv_connection *conn =
- talloc_get_type(c->private_data, struct ldapsrv_connection);
-
- if (conn->limits.ite) { /* clean initial timeout if any */
- talloc_free(conn->limits.ite);
- conn->limits.ite = NULL;
- }
-
- if (conn->limits.te) { /* clean idle timeout if any */
- talloc_free(conn->limits.te);
- conn->limits.te = NULL;
- }
-
- packet_recv(conn->packet);
-
- /* set idle timeout */
- conn->limits.te = event_add_timed(c->event.ctx, conn,
- timeval_current_ofs(conn->limits.conn_idle_time, 0),
- ldapsrv_conn_idle_timeout, conn);
+ smb_panic(__location__);
}
/*
@@ -242,20 +149,7 @@ void ldapsrv_recv(struct stream_connection *c, uint16_t flags)
*/
static void ldapsrv_send(struct stream_connection *c, uint16_t flags)
{
- struct ldapsrv_connection *conn =
- talloc_get_type(c->private_data, struct ldapsrv_connection);
-
- packet_queue_run(conn->packet);
-}
-
-static void ldapsrv_conn_init_timeout(struct tevent_context *ev,
- struct tevent_timer *te,
- struct timeval t,
- void *private_data)
-{
- struct ldapsrv_connection *conn = talloc_get_type(private_data, struct ldapsrv_connection);
-
- ldapsrv_terminate_connection(conn, "Timeout. No requests after initial connection");
+ smb_panic(__location__);
}
static int ldapsrv_load_limits(struct ldapsrv_connection *conn)
@@ -356,14 +250,14 @@ failed:
return -1;
}
-/*
- remove a packet interface from the service level list
- */
-static int packet_interface_destructor(struct ldapsrv_packet_interfaces *packet_interface)
-{
- DLIST_REMOVE(packet_interface->service->packet_interfaces, packet_interface);
- return 0;
-}
+static struct tevent_req *ldapsrv_process_call_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tevent_queue *call_queue,
+ struct ldapsrv_call *call);
+static NTSTATUS ldapsrv_process_call_recv(struct tevent_req *req);
+
+static bool ldapsrv_call_read_next(struct ldapsrv_connection *conn);
+static void ldapsrv_accept_tls_done(struct tevent_req *subreq);
/*
initialise a server_context from a open socket and register a event handler
@@ -379,6 +273,9 @@ static void ldapsrv_accept(struct stream_connection *c,
struct socket_address *socket_address;
NTSTATUS status;
int port;
+ int ret;
+ struct tevent_req *subreq;
+ struct timeval endtime;
conn = talloc_zero(c, struct ldapsrv_connection);
if (!conn) {
@@ -386,10 +283,27 @@ static void ldapsrv_accept(struct stream_connection *c,
return;
}
- conn->packet = NULL;
+ conn->sockets.send_queue = tevent_queue_create(conn, "ldapsev send queue");
+ if (conn->sockets.send_queue == NULL) {
+ stream_terminate_connection(c,
+ "ldapsrv_accept: tevent_queue_create failed");
+ return;
+ }
+
+ TALLOC_FREE(c->event.fde);
+
+ ret = tstream_bsd_existing_socket(conn,
+ socket_get_fd(c->socket),
+ &conn->sockets.raw);
+ if (ret == -1) {
+ stream_terminate_connection(c,
+ "ldapsrv_accept: out of memory");
+ return;
+ }
+ socket_set_flags(c->socket, SOCKET_FLAG_NOCLOSE);
+
conn->connection = c;
conn->service = ldapsrv_service;
- conn->sockets.raw = c->socket;
conn->lp_ctx = ldapsrv_service->task->lp_ctx;
c->private_data = conn;
@@ -401,54 +315,9 @@ static void ldapsrv_accept(struct stream_connection *c,
}
port = socket_address->port;
talloc_free(socket_address);
-
- if (port == 636) {
- struct socket_context *tls_socket = tls_init_server(ldapsrv_service->tls_params, c->socket,
- c->event.fde, NULL);
- if (!tls_socket) {
- ldapsrv_terminate_connection(conn, "ldapsrv_accept: tls_init_server() failed");
- return;
- }
- talloc_steal(c, tls_socket);
- c->socket = tls_socket;
- conn->sockets.tls = tls_socket;
-
- } else if (port == 3268) /* Global catalog */ {
+ if (port == 3268) /* Global catalog */ {
conn->global_catalog = true;
}
- conn->packet = packet_init(conn);
- if (conn->packet == NULL) {
- ldapsrv_terminate_connection(conn, "out of memory");
- return;
- }
-
- packet_set_private(conn->packet, conn);
- packet_set_socket(conn->packet, c->socket);
- packet_set_callback(conn->packet, ldapsrv_decode);
- packet_set_full_request(conn->packet, ldap_full_packet);
- packet_set_error_handler(conn->packet, ldapsrv_error_handler);
- packet_set_event_context(conn->packet, c->event.ctx);
- packet_set_fde(conn->packet, c->event.fde);
- packet_set_serialise(conn->packet);
-
- if (conn->sockets.tls) {
- packet_set_unreliable_select(conn->packet);
- }
-
- /* Ensure we don't get packets until the database is ready below */
- packet_recv_disable(conn->packet);
-
- /* add to the service level list of packet interfaces, to
- * allow us to serialise between connections
- */
- conn->packet_interface = talloc(conn, struct ldapsrv_packet_interfaces);
- if (conn->packet_interface == NULL) {
- ldapsrv_terminate_connection(conn, "out of memory");
- }
- conn->packet_interface->service = ldapsrv_service;
- conn->packet_interface->packet = conn->packet;
- DLIST_ADD(conn->service->packet_interfaces, conn->packet_interface);
- talloc_set_destructor(conn->packet_interface, packet_interface_destructor);
server_credentials = cli_credentials_init(conn);
if (!server_credentials) {
@@ -477,13 +346,405 @@ static void ldapsrv_accept(struct stream_connection *c,
/* register the server */
irpc_add_name(c->msg_ctx, "ldap_server");
- /* set connections limits */
- conn->limits.ite = event_add_timed(c->event.ctx, conn,
- timeval_current_ofs(conn->limits.initial_timeout, 0),
- ldapsrv_conn_init_timeout, conn);
+ conn->sockets.active = conn->sockets.raw;
+
+ if (port != 636) {
+ ldapsrv_call_read_next(conn);
+ return;
+ }
+
+ endtime = timeval_current_ofs(conn->limits.conn_idle_time, 0);
+
+ subreq = tstream_tls_accept_send(conn,
+ conn->connection->event.ctx,
+ conn->sockets.raw,
+ conn->service->tls_params);
+ if (subreq == NULL) {
+ ldapsrv_terminate_connection(conn, "ldapsrv_accept: "
+ "no memory for tstream_tls_accept_send");
+ return;
+ }
+ tevent_req_set_endtime(subreq,
+ conn->connection->event.ctx,
+ endtime);
+ tevent_req_set_callback(subreq, ldapsrv_accept_tls_done, conn);
+}
+
+static void ldapsrv_accept_tls_done(struct tevent_req *subreq)
+{
+ struct ldapsrv_connection *conn =
+ tevent_req_callback_data(subreq,
+ struct ldapsrv_connection);
+ int ret;
+ int sys_errno;
+
+ ret = tstream_tls_accept_recv(subreq, &sys_errno,
+ conn, &conn->sockets.tls);
+ TALLOC_FREE(subreq);
+ if (ret == -1) {
+ const char *reason;
+
+ reason = talloc_asprintf(conn, "ldapsrv_accept_tls_loop: "
+ "tstream_tls_accept_recv() - %d:%s",
+ sys_errno, strerror(sys_errno));
+ if (!reason) {
+ reason = "ldapsrv_accept_tls_loop: "
+ "tstream_tls_accept_recv() - failed";
+ }
+
+ ldapsrv_terminate_connection(conn, reason);
+ return;
+ }
+
+ conn->sockets.active = conn->sockets.tls;
+ ldapsrv_call_read_next(conn);
+}
- packet_recv_enable(conn->packet);
+static void ldapsrv_call_read_done(struct tevent_req *subreq);
+static bool ldapsrv_call_read_next(struct ldapsrv_connection *conn)
+{
+ struct tevent_req *subreq;
+
+ if (timeval_is_zero(&conn->limits.endtime)) {
+ conn->limits.endtime =
+ timeval_current_ofs(conn->limits.initial_timeout, 0);
+ } else {
+ conn->limits.endtime =
+ timeval_current_ofs(conn->limits.conn_idle_time, 0);
+ }
+
+ /*
+ * The minimun size of a LDAP pdu is 7 bytes
+ *
+ * dumpasn1 -hh ldap-unbind-min.dat
+ *
+ * <30 05 02 01 09 42 00>
+ * 0 5: SEQUENCE {
+ * <02 01 09>
+ * 2 1: INTEGER 9
+ * <42 00>
+ * 5 0: [APPLICATION 2]
+ * : Error: Object has zero length.
+ * : }
+ *
+ * dumpasn1 -hh ldap-unbind-windows.dat
+ *
+ * <30 84 00 00 00 05 02 01 09 42 00>
+ * 0 5: SEQUENCE {
+ * <02 01 09>
+ * 6 1: INTEGER 9
+ * <42 00>
+ * 9 0: [APPLICATION 2]
+ * : Error: Object has zero length.
+ * : }
+ *
+ * This means using an initial read size
+ * of 7 is ok.
+ */
+ subreq = tstream_read_pdu_blob_send(conn,
+ conn->connection->event.ctx,
+ conn->sockets.active,
+ 7, /* initial_read_size */
+ ldap_full_packet,
+ conn);
+ if (subreq == NULL) {
+ ldapsrv_terminate_connection(conn, "ldapsrv_call_read_next: "
+ "no memory for tstream_read_pdu_blob_send");
+ return false;
+ }
+ tevent_req_set_endtime(subreq,
+ conn->connection->event.ctx,
+ conn->limits.endtime);
+ tevent_req_set_callback(subreq, ldapsrv_call_read_done, conn);
+ return true;
+}
+
+static void ldapsrv_call_process_done(struct tevent_req *subreq);
+
+static void ldapsrv_call_read_done(struct tevent_req *subreq)
+{
+ struct ldapsrv_connection *conn =
+ tevent_req_callback_data(subreq,
+ struct ldapsrv_connection);
+ NTSTATUS status;
+ struct ldapsrv_call *call;
+ struct asn1_data *asn1;
+ DATA_BLOB blob;
+
+ call = talloc_zero(conn, struct ldapsrv_call);
+ if (!call) {
+ ldapsrv_terminate_connection(conn, "no memory");
+ return;
+ }
+
+ call->conn = conn;
+
+ status = tstream_read_pdu_blob_recv(subreq,
+ call,
+ &blob);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ const char *reason;
+
+ reason = talloc_asprintf(call, "ldapsrv_call_loop: "
+ "tstream_read_pdu_blob_recv() - %s",
+ nt_errstr(status));
+ if (!reason) {
+ reason = nt_errstr(status);
+ }
+
+ ldapsrv_terminate_connection(conn, reason);
+ return;
+ }
+
+ asn1 = asn1_init(call);
+ if (asn1 == NULL) {
+ ldapsrv_terminate_connection(conn, "no memory");
+ return;
+ }
+
+ call->request = talloc(call, struct ldap_message);
+ if (call->request == NULL) {
+ ldapsrv_terminate_connection(conn, "no memory");
+ return;
+ }
+
+ if (!asn1_load(asn1, blob)) {
+ ldapsrv_terminate_connection(conn, "asn1_load failed");
+ return;
+ }
+
+ status = ldap_decode(asn1, samba_ldap_control_handlers(),
+ call->request);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldapsrv_terminate_connection(conn, nt_errstr(status));
+ return;
+ }
+
+ data_blob_free(&blob);
+
+
+ /* queue the call in the global queue */
+ subreq = ldapsrv_process_call_send(call,
+ conn->connection->event.ctx,
+ conn->service->call_queue,
+ call);
+ if (subreq == NULL) {
+ ldapsrv_terminate_connection(conn, "ldapsrv_process_call_send failed");
+ return;
+ }
+ tevent_req_set_callback(subreq, ldapsrv_call_process_done, call);
+ conn->active_call = subreq;
+}
+
+static void ldapsrv_call_writev_done(struct tevent_req *subreq);
+
+static void ldapsrv_call_process_done(struct tevent_req *subreq)
+{
+ struct ldapsrv_call *call =
+ tevent_req_callback_data(subreq,
+ struct ldapsrv_call);
+ struct ldapsrv_connection *conn = call->conn;
+ NTSTATUS status;
+ DATA_BLOB blob = data_blob_null;
+
+ conn->active_call = NULL;
+
+ status = ldapsrv_process_call_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ ldapsrv_terminate_connection(conn, nt_errstr(status));
+ return;
+ }
+
+ /* build all the replies into a single blob */
+ while (call->replies) {
+ DATA_BLOB b;
+ bool ret;
+
+ if (!ldap_encode(call->replies->msg, samba_ldap_control_handlers(), &b, call)) {
+ DEBUG(0,("Failed to encode ldap reply of type %d\n",
+ call->replies->msg->type));
+ ldapsrv_terminate_connection(conn, "ldap_encode failed");
+ return;
+ }
+
+ ret = data_blob_append(call, &blob, b.data, b.length);
+ data_blob_free(&b);
+
+ talloc_set_name_const(blob.data, "Outgoing, encoded LDAP packet");
+
+ if (!ret) {
+ ldapsrv_terminate_connection(conn, "data_blob_append failed");
+ return;
+ }
+
+ DLIST_REMOVE(call->replies, call->replies);
+ }
+
+ if (blob.length == 0) {
+ TALLOC_FREE(call);
+
+ ldapsrv_call_read_next(conn);
+ return;
+ }
+
+ call->out_iov.iov_base = blob.data;
+ call->out_iov.iov_len = blob.length;
+
+ subreq = tstream_writev_queue_send(call,
+ conn->connection->event.ctx,
+ conn->sockets.active,
+ conn->sockets.send_queue,
+ &call->out_iov, 1);
+ if (subreq == NULL) {
+ ldapsrv_terminate_connection(conn, "stream_writev_queue_send failed");
+ return;
+ }
+ tevent_req_set_callback(subreq, ldapsrv_call_writev_done, call);
+}
+
+static void ldapsrv_call_postprocess_done(struct tevent_req *subreq);
+
+static void ldapsrv_call_writev_done(struct tevent_req *subreq)
+{
+ struct ldapsrv_call *call =
+ tevent_req_callback_data(subreq,
+ struct ldapsrv_call);
+ struct ldapsrv_connection *conn = call->conn;
+ int sys_errno;
+ int rc;
+
+ rc = tstream_writev_queue_recv(subreq, &sys_errno);
+ TALLOC_FREE(subreq);
+ if (rc == -1) {
+ const char *reason;
+
+ reason = talloc_asprintf(call, "ldapsrv_call_writev_done: "
+ "tstream_writev_queue_recv() - %d:%s",
+ sys_errno, strerror(sys_errno));
+ if (reason == NULL) {
+ reason = "ldapsrv_call_writev_done: "
+ "tstream_writev_queue_recv() failed";
+ }
+
+ ldapsrv_terminate_connection(conn, reason);
+ return;
+ }
+
+ if (call->postprocess_send) {
+ subreq = call->postprocess_send(call,
+ conn->connection->event.ctx,
+ call->postprocess_private);
+ if (subreq == NULL) {
+ ldapsrv_terminate_connection(conn, "ldapsrv_call_writev_done: "
+ "call->postprocess_send - no memory");
+ return;
+ }
+ tevent_req_set_callback(subreq,
+ ldapsrv_call_postprocess_done,
+ call);
+ return;
+ }
+
+ TALLOC_FREE(call);
+
+ ldapsrv_call_read_next(conn);
+}
+
+static void ldapsrv_call_postprocess_done(struct tevent_req *subreq)
+{
+ struct ldapsrv_call *call =
+ tevent_req_callback_data(subreq,
+ struct ldapsrv_call);
+ struct ldapsrv_connection *conn = call->conn;
+ NTSTATUS status;
+
+ status = call->postprocess_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ const char *reason;
+
+ reason = talloc_asprintf(call, "ldapsrv_call_postprocess_done: "
+ "call->postprocess_recv() - %s",
+ nt_errstr(status));
+ if (reason == NULL) {
+ reason = nt_errstr(status);
+ }
+
+ ldapsrv_terminate_connection(conn, reason);
+ return;
+ }
+
+ TALLOC_FREE(call);
+
+ ldapsrv_call_read_next(conn);
+}
+
+struct ldapsrv_process_call_state {
+ struct ldapsrv_call *call;
+};
+
+static void ldapsrv_process_call_trigger(struct tevent_req *req,
+ void *private_data);
+
+static struct tevent_req *ldapsrv_process_call_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tevent_queue *call_queue,
+ struct ldapsrv_call *call)
+{
+ struct tevent_req *req;
+ struct ldapsrv_process_call_state *state;
+ bool ok;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct ldapsrv_process_call_state);
+ if (req == NULL) {
+ return req;
+ }
+
+ state->call = call;
+
+ ok = tevent_queue_add(call_queue, ev, req,
+ ldapsrv_process_call_trigger, NULL);
+ if (!ok) {
+ tevent_req_nomem(NULL, req);
+ return tevent_req_post(req, ev);
+ }
+
+ return req;
+}
+
+static void ldapsrv_process_call_trigger(struct tevent_req *req,
+ void *private_data)
+{
+ struct ldapsrv_process_call_state *state =
+ tevent_req_data(req,
+ struct ldapsrv_process_call_state);
+ NTSTATUS status;
+
+ /* make the call */
+ status = ldapsrv_do_call(state->call);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return;
+ }
+
+ tevent_req_done(req);
+}
+
+static NTSTATUS ldapsrv_process_call_recv(struct tevent_req *req)
+{
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
+ return status;
+ }
+
+ tevent_req_received(req);
+ return NT_STATUS_OK;
}
static void ldapsrv_accept_nonpriv(struct stream_connection *c)
@@ -562,7 +823,7 @@ static NTSTATUS add_socket(struct tevent_context *event_context,
return status;
}
- if (tls_support(ldap_service->tls_params)) {
+ if (tstream_tls_params_enabled(ldap_service->tls_params)) {
/* add ldaps server */
port = 636;
status = stream_setup_socket(event_context, lp_ctx,
@@ -616,6 +877,7 @@ static void ldapsrv_task_init(struct task_server *task)
#ifdef WITH_LDAPI_PRIV_SOCKET
char *priv_dir;
#endif
+ const char *dns_host_name;
struct ldapsrv_service *ldap_service;
NTSTATUS status;
const struct model_ops *model_ops;
@@ -645,8 +907,28 @@ static void ldapsrv_task_init(struct task_server *task)
ldap_service->task = task;
- ldap_service->tls_params = tls_initialise(ldap_service, task->lp_ctx);
- if (ldap_service->tls_params == NULL) goto failed;
+ dns_host_name = talloc_asprintf(ldap_service, "%s.%s",
+ lpcfg_netbios_name(task->lp_ctx),
+ lpcfg_dnsdomain(task->lp_ctx));
+ if (dns_host_name == NULL) goto failed;
+
+ status = tstream_tls_params_server(ldap_service,
+ dns_host_name,
+ lpcfg_tls_enabled(task->lp_ctx),
+ lpcfg_tls_keyfile(ldap_service, task->lp_ctx),
+ lpcfg_tls_certfile(ldap_service, task->lp_ctx),
+ lpcfg_tls_cafile(ldap_service, task->lp_ctx),
+ lpcfg_tls_crlfile(ldap_service, task->lp_ctx),
+ lpcfg_tls_dhpfile(ldap_service, task->lp_ctx),
+ &ldap_service->tls_params);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("ldapsrv failed tstream_tls_patams_server - %s\n",
+ nt_errstr(status)));
+ goto failed;
+ }
+
+ ldap_service->call_queue = tevent_queue_create(ldap_service, "ldapsrv_call_queue");
+ if (ldap_service->call_queue == NULL) goto failed;
if (lpcfg_interfaces(task->lp_ctx) && lpcfg_bind_interfaces_only(task->lp_ctx)) {
struct interface *ifaces;