2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan Metzmacher 2004
5 Copyright (C) Jelmer Vernooij 2004
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "lib/socket/socket.h"
24 #include "system/network.h"
25 #include "system/filesys.h"
27 static struct in6_addr interpret_addr6(const char *name)
31 if (name == NULL) return in6addr_any;
33 he = gethostbyname2(name, PF_INET6);
35 if (he == NULL) return in6addr_any;
37 return *((struct in6_addr *)he->h_addr);
40 static NTSTATUS ipv6_tcp_init(struct socket_context *sock)
42 sock->fd = socket(PF_INET6, SOCK_STREAM, 0);
44 return map_nt_error_from_unix(errno);
50 static void ipv6_tcp_close(struct socket_context *sock)
55 static NTSTATUS ipv6_tcp_connect_complete(struct socket_context *sock, uint32_t flags)
58 socklen_t len = sizeof(error);
60 /* check for any errors that may have occurred - this is needed
61 for non-blocking connect */
62 ret = getsockopt(sock->fd, SOL_SOCKET, SO_ERROR, &error, &len);
64 return map_nt_error_from_unix(errno);
67 return map_nt_error_from_unix(error);
70 if (!(flags & SOCKET_FLAG_BLOCK)) {
71 ret = set_blocking(sock->fd, False);
73 return map_nt_error_from_unix(errno);
77 sock->state = SOCKET_STATE_CLIENT_CONNECTED;
82 static NTSTATUS ipv6_tcp_connect(struct socket_context *sock,
83 const char *my_address, int my_port,
84 const char *srv_address, int srv_port,
87 struct sockaddr_in6 srv_addr;
88 struct in6_addr my_ip;
89 struct in6_addr srv_ip;
92 my_ip = interpret_addr6(my_address);
94 if (memcmp(&my_ip, &in6addr_any, sizeof(my_ip)) || my_port != 0) {
95 struct sockaddr_in6 my_addr;
97 my_addr.sin6_addr = my_ip;
98 my_addr.sin6_port = htons(my_port);
99 my_addr.sin6_family = PF_INET6;
101 ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
103 return map_nt_error_from_unix(errno);
107 srv_ip = interpret_addr6(srv_address);
108 if (memcmp(&srv_ip, &in6addr_any, sizeof(srv_ip)) == 0) {
109 return NT_STATUS_BAD_NETWORK_NAME;
112 ZERO_STRUCT(srv_addr);
113 srv_addr.sin6_addr = srv_ip;
114 srv_addr.sin6_port = htons(srv_port);
115 srv_addr.sin6_family = PF_INET6;
117 ret = connect(sock->fd, (const struct sockaddr *)&srv_addr, sizeof(srv_addr));
119 return map_nt_error_from_unix(errno);
122 return ipv6_tcp_connect_complete(sock, flags);
125 static NTSTATUS ipv6_tcp_listen(struct socket_context *sock,
126 const char *my_address, int port,
127 int queue_size, uint32_t flags)
129 struct sockaddr_in6 my_addr;
130 struct in6_addr ip_addr;
133 socket_set_option(sock, "SO_REUSEADDR=1", NULL);
135 ip_addr = interpret_addr6(my_address);
137 ZERO_STRUCT(my_addr);
138 my_addr.sin6_addr = ip_addr;
139 my_addr.sin6_port = htons(port);
140 my_addr.sin6_family = PF_INET6;
142 ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
144 return map_nt_error_from_unix(errno);
147 ret = listen(sock->fd, queue_size);
149 return map_nt_error_from_unix(errno);
152 if (!(flags & SOCKET_FLAG_BLOCK)) {
153 ret = set_blocking(sock->fd, False);
155 return map_nt_error_from_unix(errno);
159 sock->state= SOCKET_STATE_SERVER_LISTEN;
164 static NTSTATUS ipv6_tcp_accept(struct socket_context *sock, struct socket_context **new_sock)
166 struct sockaddr_in cli_addr;
167 socklen_t cli_addr_len = sizeof(cli_addr);
170 new_fd = accept(sock->fd, (struct sockaddr *)&cli_addr, &cli_addr_len);
172 return map_nt_error_from_unix(errno);
175 if (!(sock->flags & SOCKET_FLAG_BLOCK)) {
176 int ret = set_blocking(new_fd, False);
179 return map_nt_error_from_unix(errno);
183 /* TODO: we could add a 'accept_check' hook here
184 * which get the black/white lists via socket_set_accept_filter()
185 * or something like that
189 (*new_sock) = talloc(NULL, struct socket_context);
192 return NT_STATUS_NO_MEMORY;
195 /* copy the socket_context */
196 (*new_sock)->type = sock->type;
197 (*new_sock)->state = SOCKET_STATE_SERVER_CONNECTED;
198 (*new_sock)->flags = sock->flags;
200 (*new_sock)->fd = new_fd;
202 (*new_sock)->private_data = NULL;
203 (*new_sock)->ops = sock->ops;
208 static NTSTATUS ipv6_tcp_recv(struct socket_context *sock, void *buf,
209 size_t wantlen, size_t *nread, uint32_t flags)
214 /* TODO: we need to map all flags here */
215 if (flags & SOCKET_FLAG_PEEK) {
219 if (flags & SOCKET_FLAG_BLOCK) {
225 gotlen = recv(sock->fd, buf, wantlen, flgs);
227 return NT_STATUS_END_OF_FILE;
228 } else if (gotlen == -1) {
229 return map_nt_error_from_unix(errno);
237 static NTSTATUS ipv6_tcp_send(struct socket_context *sock,
238 const DATA_BLOB *blob, size_t *sendlen, uint32_t flags)
245 len = send(sock->fd, blob->data, blob->length, flgs);
247 return map_nt_error_from_unix(errno);
255 static NTSTATUS ipv6_tcp_set_option(struct socket_context *sock, const char *option, const char *val)
257 set_socket_options(sock->fd, option);
261 static char *ipv6_tcp_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx)
263 struct sockaddr_in6 peer_addr;
264 socklen_t len = sizeof(peer_addr);
268 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
273 he = gethostbyaddr((char *)&peer_addr.sin6_addr, sizeof(peer_addr.sin6_addr), AF_INET6);
278 return talloc_strdup(mem_ctx, he->h_name);
281 static char *ipv6_tcp_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
283 struct sockaddr_in6 peer_addr;
284 socklen_t len = sizeof(peer_addr);
288 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
293 he = gethostbyaddr((char *)&peer_addr.sin6_addr, sizeof(peer_addr.sin6_addr), AF_INET6);
295 if (!he || !he->h_name) {
299 return talloc_strdup(mem_ctx, he->h_name);
302 static int ipv6_tcp_get_peer_port(struct socket_context *sock)
304 struct sockaddr_in6 peer_addr;
305 socklen_t len = sizeof(peer_addr);
308 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
313 return ntohs(peer_addr.sin6_port);
316 static char *ipv6_tcp_get_my_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
318 struct sockaddr_in6 my_addr;
319 socklen_t len = sizeof(my_addr);
323 ret = getsockname(sock->fd, (struct sockaddr *)&my_addr, &len);
328 he = gethostbyaddr((char *)&my_addr.sin6_addr, sizeof(my_addr.sin6_addr), AF_INET6);
333 return talloc_strdup(mem_ctx, he->h_name);
336 static int ipv6_tcp_get_my_port(struct socket_context *sock)
338 struct sockaddr_in6 my_addr;
339 socklen_t len = sizeof(my_addr);
342 ret = getsockname(sock->fd, (struct sockaddr *)&my_addr, &len);
347 return ntohs(my_addr.sin6_port);
350 static int ipv6_tcp_get_fd(struct socket_context *sock)
355 static const struct socket_ops ipv6_tcp_ops = {
357 .fn_init = ipv6_tcp_init,
358 .fn_connect = ipv6_tcp_connect,
359 .fn_connect_complete = ipv6_tcp_connect_complete,
360 .fn_listen = ipv6_tcp_listen,
361 .fn_accept = ipv6_tcp_accept,
362 .fn_recv = ipv6_tcp_recv,
363 .fn_send = ipv6_tcp_send,
364 .fn_close = ipv6_tcp_close,
366 .fn_set_option = ipv6_tcp_set_option,
368 .fn_get_peer_name = ipv6_tcp_get_peer_name,
369 .fn_get_peer_addr = ipv6_tcp_get_peer_addr,
370 .fn_get_peer_port = ipv6_tcp_get_peer_port,
371 .fn_get_my_addr = ipv6_tcp_get_my_addr,
372 .fn_get_my_port = ipv6_tcp_get_my_port,
374 .fn_get_fd = ipv6_tcp_get_fd
377 const struct socket_ops *socket_ipv6_ops(enum socket_type type)
379 if (type != SOCKET_TYPE_STREAM) {
382 return &ipv6_tcp_ops;