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authorVolker Lendecke <vlendec@samba.org>2006-04-03 19:14:12 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 11:15:53 -0500
commitf5e7376bca7ab02ef48110ef6c0fb394851a606c (patch)
treeaf4f9b3347c63a79283de9d100679d055476e988 /source3/nsswitch
parentd4ff03ae12d8682c42eb66d110df7d86f94cde23 (diff)
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r14896: Remove unused files
(This used to be commit cc1bdbbc41bd6626ee53abf3f2ab35c454e036b7)
Diffstat (limited to 'source3/nsswitch')
-rw-r--r--source3/nsswitch/winbindd_ldap.c646
1 files changed, 0 insertions, 646 deletions
diff --git a/source3/nsswitch/winbindd_ldap.c b/source3/nsswitch/winbindd_ldap.c
deleted file mode 100644
index cd0214ff45..0000000000
--- a/source3/nsswitch/winbindd_ldap.c
+++ /dev/null
@@ -1,646 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- winbind ldap proxy code
-
- Copyright (C) Volker Lendecke
-
- 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 2 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "includes.h"
-#include "winbindd.h"
-
-/* This rw-buf api is made to avoid memcpy. For now do that like mad... The
- idea is to write into a circular list of buffers where the ideal case is
- that a read(2) holds a complete request that is then thrown away
- completely. */
-
-struct ldap_message_queue {
- struct ldap_message_queue *prev, *next;
- struct ldap_message *msg;
-};
-
-struct rw_buffer {
- uint8 *data;
- size_t ofs, length;
-};
-
-struct winbind_ldap_client {
- struct winbind_ldap_client *next, *prev;
- int sock;
- BOOL finished;
- struct rw_buffer in_buffer, out_buffer;
-};
-
-static struct winbind_ldap_client *ldap_clients;
-
-struct winbind_ldap_server {
- struct winbind_ldap_server *next, *prev;
- int sock;
- BOOL ready; /* Bind successful? */
- BOOL finished;
- struct rw_buffer in_buffer, out_buffer;
- int messageid;
-};
-
-static struct winbind_ldap_server *ldap_servers;
-
-struct pending_ldap_message {
- struct pending_ldap_message *next, *prev;
- struct ldap_message *msg; /* The message the client sent us */
- int our_msgid; /* The messageid we used */
- struct winbind_ldap_client *client;
-};
-
-struct pending_ldap_message *pending_messages;
-
-static BOOL append_to_buf(struct rw_buffer *buf, uint8 *data, size_t length)
-{
- buf->data = SMB_REALLOC(buf->data, buf->length+length);
-
- if (buf->data == NULL)
- return False;
-
- memcpy(buf->data+buf->length, data, length);
-
- buf->length += length;
- return True;
-}
-
-static BOOL read_into_buf(int fd, struct rw_buffer *buf)
-{
- char tmp_buf[1024];
- int len;
-
- len = read(fd, tmp_buf, sizeof(tmp_buf));
- if (len == 0)
- return False;
-
- return append_to_buf(buf, tmp_buf, len);
-}
-
-static void peek_into_buf(struct rw_buffer *buf, uint8 **out,
- size_t *out_length)
-{
- *out = buf->data;
- *out_length = buf->length;
-}
-
-static void consumed_from_buf(struct rw_buffer *buf, size_t length)
-{
- uint8 *new = memdup(buf->data+length, buf->length-length);
- free(buf->data);
- buf->data = new;
- buf->length -= length;
-}
-
-static BOOL write_out_of_buf(int fd, struct rw_buffer *buf)
-{
- uint8 *tmp;
- size_t tmp_length, written;
-
- peek_into_buf(buf, &tmp, &tmp_length);
- if (tmp_length == 0)
- return True;
-
- written = write(fd, tmp, tmp_length);
- if (written < 0)
- return False;
-
- consumed_from_buf(buf, written);
- return True;
-}
-
-static BOOL ldap_append_to_buf(struct ldap_message *msg, struct rw_buffer *buf)
-{
- DATA_BLOB blob;
- BOOL res;
-
- if (!ldap_encode(msg, &blob))
- return False;
-
- res = append_to_buf(buf, blob.data, blob.length);
-
- data_blob_free(&blob);
- return res;
-}
-
-static void new_ldap_client(int listen_sock)
-{
- struct sockaddr_un sunaddr;
- struct winbind_ldap_client *client;
- socklen_t len;
- int sock;
-
- /* Accept connection */
-
- len = sizeof(sunaddr);
-
- do {
- sock = accept(listen_sock, (struct sockaddr *)&sunaddr, &len);
- } while (sock == -1 && errno == EINTR);
-
- if (sock == -1)
- return;
-
- DEBUG(6,("accepted socket %d\n", sock));
-
- /* Create new connection structure */
-
- client = SMB_MALLOC_P(struct winbind_ldap_client);
-
- if (client == NULL)
- return;
-
- ZERO_STRUCTP(client);
-
- client->sock = sock;
- client->finished = False;
-
- DLIST_ADD(ldap_clients, client);
-}
-
-static struct ldap_message *get_msg_from_buf(struct rw_buffer *buffer,
- BOOL *error)
-{
- uint8 *buf;
- int buf_length, msg_length;
- DATA_BLOB blob;
- ASN1_DATA data;
- struct ldap_message *msg;
-
- DEBUG(10,("ldapsrv_recv\n"));
-
- *error = False;
-
- peek_into_buf(buffer, &buf, &buf_length);
-
- if (buf_length < 8) {
- /* Arbitrary heuristics: ldap messages are longer than eight
- * bytes, and their tag length fits into the eight bytes */
- return NULL;
- }
-
- /* LDAP Messages are always SEQUENCES */
-
- if (!asn1_object_length(buf, buf_length, ASN1_SEQUENCE(0),
- &msg_length))
- goto disconnect;
-
- if (buf_length < msg_length) {
- /* Not enough yet */
- return NULL;
- }
-
- /* We've got a complete LDAP request in the in-buffer */
-
- blob.data = buf;
- blob.length = msg_length;
-
- if (!asn1_load(&data, blob))
- goto disconnect;
-
- msg = new_ldap_message();
-
- if ((msg == NULL) || !ldap_decode(&data, msg)) {
- asn1_free(&data);
- goto disconnect;
- }
-
- asn1_free(&data);
-
- consumed_from_buf(buffer, msg_length);
-
- return msg;
-
- disconnect:
-
- *error = True;
- return NULL;
-}
-
-static int send_msg_to_server(struct ldap_message *msg,
- struct winbind_ldap_server *server)
-{
- int cli_messageid;
-
- cli_messageid = msg->messageid;
- msg->messageid = ldap_servers->messageid;
-
- if (!ldap_append_to_buf(msg, &ldap_servers->out_buffer))
- return -1;
-
- msg->messageid = cli_messageid;
- return ldap_servers->messageid++;
-}
-
-static int send_msg(struct ldap_message *msg)
-{
- /* This is the scheduling routine that should decide where to send
- * stuff. The first attempt is easy: We only have one server. This
- * will change once we handle referrals etc. */
-
- SMB_ASSERT(ldap_servers != NULL);
-
- if (!ldap_servers->ready)
- return -1;
-
- return send_msg_to_server(msg, ldap_servers);
-}
-
-static void fake_bind_response(struct winbind_ldap_client *client,
- int messageid)
-{
- struct ldap_message *msg = new_ldap_message();
-
- if (msg == NULL) {
- client->finished = True;
- return;
- }
-
- msg->messageid = messageid;
- msg->type = LDAP_TAG_BindResponse;
- msg->r.BindResponse.response.resultcode = 0;
- msg->r.BindResponse.response.dn = "";
- msg->r.BindResponse.response.dn = "";
- msg->r.BindResponse.response.errormessage = "";
- msg->r.BindResponse.response.referral = "";
- ldap_append_to_buf(msg, &client->out_buffer);
- destroy_ldap_message(msg);
-}
-
-static int open_ldap_socket(void)
-{
- static int fd = -1;
-
- if (fd >= 0)
- return fd;
-
- fd = create_pipe_sock(get_winbind_priv_pipe_dir(), "ldapi", 0750);
- return fd;
-}
-
-static BOOL do_sigterm = False;
-
-static void ldap_termination_handler(int signum)
-{
- do_sigterm = True;
- sys_select_signal();
-}
-
-static BOOL handled_locally(struct ldap_message *msg,
- struct winbind_ldap_server *server)
-{
- struct ldap_Result *r = &msg->r.BindResponse.response;
-
- if (msg->type != LDAP_TAG_BindResponse)
- return False;
-
- if (r->resultcode != 0) {
- destroy_ldap_message(msg);
- server->finished = True;
- }
- destroy_ldap_message(msg);
- server->ready = True;
- return True;
-}
-
-static void client_has_data(struct winbind_ldap_client *client)
-{
-
- struct ldap_message *msg;
-
- if (!read_into_buf(client->sock, &client->in_buffer)) {
- client->finished = True;
- return;
- }
-
- while ((msg = get_msg_from_buf(&client->in_buffer,
- &client->finished))) {
- struct pending_ldap_message *pending;
-
- if (msg->type == LDAP_TAG_BindRequest) {
- fake_bind_response(client, msg->messageid);
- destroy_ldap_message(msg);
- continue;
- }
-
- if (msg->type == LDAP_TAG_UnbindRequest) {
- destroy_ldap_message(msg);
- client->finished = True;
- break;
- }
-
- pending = SMB_MALLOC_P(struct pending_ldap_message);
- if (pending == NULL)
- continue;
-
- pending->msg = msg;
- pending->client = client;
- pending->our_msgid = send_msg(msg);
-
- if (pending->our_msgid < 0) {
- /* could not send */
- client->finished = True;
- free(pending);
- }
- DLIST_ADD(pending_messages, pending);
- }
-}
-
-static struct ldap_Result *ldap_msg2result(struct ldap_message *msg)
-{
- switch(msg->type) {
- case LDAP_TAG_BindResponse:
- return &msg->r.BindResponse.response;
- case LDAP_TAG_SearchResultDone:
- return &msg->r.SearchResultDone;
- case LDAP_TAG_ModifyResponse:
- return &msg->r.ModifyResponse;
- case LDAP_TAG_AddResponse:
- return &msg->r.AddResponse;
- case LDAP_TAG_DelResponse:
- return &msg->r.DelResponse;
- case LDAP_TAG_ModifyDNResponse:
- return &msg->r.ModifyDNResponse;
- case LDAP_TAG_CompareResponse:
- return &msg->r.CompareResponse;
- case LDAP_TAG_ExtendedResponse:
- return &msg->r.ExtendedResponse.response;
- }
- return NULL;
-}
-
-static void server_has_data(struct winbind_ldap_server *server)
-{
- struct ldap_message *msg;
-
- if (!read_into_buf(server->sock, &server->in_buffer)) {
- server->finished = True;
- return;
- }
-
- while ((msg = get_msg_from_buf(&server->in_buffer,
- &server->finished))) {
- struct pending_ldap_message *pending;
- struct rw_buffer *buf;
- struct ldap_Result *res;
-
- if (handled_locally(msg, server))
- continue;
-
- res = ldap_msg2result(msg);
-
- if ( (res != NULL) && (res->resultcode == 10) )
- DEBUG(5, ("Got Referral %s\n", res->referral));
-
- for (pending = pending_messages;
- pending != NULL;
- pending = pending->next) {
- if (pending->our_msgid == msg->messageid)
- break;
- }
-
- if (pending == NULL) {
- talloc_destroy(msg->mem_ctx);
- continue;
- }
-
- msg->messageid = pending->msg->messageid;
-
- buf = &pending->client->out_buffer;
- ldap_append_to_buf(msg, buf);
-
- if ( (msg->type != LDAP_TAG_SearchResultEntry) &&
- (msg->type != LDAP_TAG_SearchResultReference) ) {
- destroy_ldap_message(pending->msg);
- DLIST_REMOVE(pending_messages,
- pending);
- SAFE_FREE(pending);
- }
- destroy_ldap_message(msg);
- }
-}
-
-static void process_ldap_loop(void)
-{
- struct winbind_ldap_client *client;
- struct winbind_ldap_server *server;
- fd_set r_fds, w_fds;
- int maxfd, listen_sock, selret;
- struct timeval timeout;
-
- /* Free up temporary memory */
-
- lp_TALLOC_FREE();
- main_loop_TALLOC_FREE();
-
- if (do_sigterm) {
-#if 0
- TALLOC_CTX *mem_ctx = talloc_init("describe");
- DEBUG(0, ("%s\n", talloc_describe_all(mem_ctx)));
- talloc_destroy(mem_ctx);
-#endif
- exit(0);
- }
-
- /* Initialise fd lists for select() */
-
- listen_sock = open_ldap_socket();
-
- if (listen_sock == -1) {
- perror("open_ldap_socket");
- exit(1);
- }
-
- maxfd = listen_sock;
-
- FD_ZERO(&r_fds);
- FD_ZERO(&w_fds);
- FD_SET(listen_sock, &r_fds);
-
- timeout.tv_sec = WINBINDD_ESTABLISH_LOOP;
- timeout.tv_usec = 0;
-
- /* Set up client readers and writers */
-
- client = ldap_clients;
-
- while (client != NULL) {
-
- if (client->finished) {
- struct winbind_ldap_client *next = client->next;
- DLIST_REMOVE(ldap_clients, client);
- close(client->sock);
- SAFE_FREE(client->in_buffer.data);
- SAFE_FREE(client->out_buffer.data);
- SAFE_FREE(client);
- client = next;
- continue;
- }
-
- if (client->sock > maxfd)
- maxfd = client->sock;
-
- FD_SET(client->sock, &r_fds);
-
- if (client->out_buffer.length > 0)
- FD_SET(client->sock, &w_fds);
-
- client = client->next;
- }
-
- /* And now the servers */
-
- server = ldap_servers;
-
- while (server != NULL) {
-
- if (server->finished) {
- struct winbind_ldap_server *next = server->next;
- DLIST_REMOVE(ldap_servers, server);
- close(server->sock);
- SAFE_FREE(server);
- server = next;
- continue;
- }
-
- if (server->sock > maxfd)
- maxfd = server->sock;
-
- FD_SET(server->sock, &r_fds);
-
- if (server->out_buffer.length > 0)
- FD_SET(server->sock, &w_fds);
-
- server = server->next;
- }
-
- selret = sys_select(maxfd + 1, &r_fds, &w_fds, NULL, &timeout);
-
- if (selret == 0)
- return;
-
- if (selret == -1 && errno != EINTR) {
- perror("select");
- exit(1);
- }
-
- if (FD_ISSET(listen_sock, &r_fds))
- new_ldap_client(listen_sock);
-
- for (client = ldap_clients; client != NULL; client = client->next) {
-
- if (FD_ISSET(client->sock, &r_fds))
- client_has_data(client);
-
- if ((!client->finished) && FD_ISSET(client->sock, &w_fds))
- write_out_of_buf(client->sock, &client->out_buffer);
- }
-
- for (server = ldap_servers; server != NULL; server = server->next) {
-
- if (FD_ISSET(server->sock, &r_fds))
- server_has_data(server);
-
- if (!server->finished && FD_ISSET(server->sock, &w_fds))
- write_out_of_buf(server->sock, &server->out_buffer);
- }
-}
-
-static BOOL setup_ldap_serverconn(void)
-{
- char *host;
- uint16 port;
- BOOL ldaps;
- struct hostent *hp;
- struct in_addr ip;
- TALLOC_CTX *mem_ctx = talloc_init("server");
- struct ldap_message *msg;
- char *dn, *pw;
-
- ldap_servers = SMB_MALLOC_P(struct winbind_ldap_server);
-
- if ((ldap_servers == NULL) || (mem_ctx == NULL))
- return False;
-
- if (!ldap_parse_basic_url(mem_ctx, "ldap://192.168.234.1:3899/",
- &host, &port, &ldaps))
- return False;
-
- hp = sys_gethostbyname(host);
-
- if ((hp == NULL) || (hp->h_addr == NULL))
- return False;
-
- putip((char *)&ip, (char *)hp->h_addr);
-
- ZERO_STRUCTP(ldap_servers);
- ldap_servers->sock = open_socket_out(SOCK_STREAM, &ip, port, 10000);
- ldap_servers->messageid = 1;
-
- if (!fetch_ldap_pw(&dn, &pw))
- return False;
-
- msg = new_ldap_simple_bind_msg(dn, pw);
-
- SAFE_FREE(dn);
- SAFE_FREE(pw);
-
- if (msg == NULL)
- return False;
-
- msg->messageid = ldap_servers->messageid++;
-
- ldap_append_to_buf(msg, &ldap_servers->out_buffer);
-
- destroy_ldap_message(msg);
-
- return (ldap_servers->sock >= 0);
-}
-
-void do_ldap_proxy(void)
-{
- int ldap_child;
-
- ldap_child = sys_fork();
-
- if (ldap_child != 0)
- return;
-
- /* tdb needs special fork handling */
- if (tdb_reopen_all() == -1) {
- DEBUG(0,("tdb_reopen_all failed.\n"));
- _exit(0);
- }
-
- if (!message_init()) {
- DEBUG(0, ("message_init failed\n"));
- _exit(0);
- }
-
- CatchSignal(SIGINT, ldap_termination_handler);
- CatchSignal(SIGQUIT, ldap_termination_handler);
- CatchSignal(SIGTERM, ldap_termination_handler);
-
- if (!setup_ldap_serverconn())
- return;
-
- while (1)
- process_ldap_loop();
-
- return;
-}