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 "system/network.h"
25 static struct in6_addr interpret_addr6(const char *name)
29 if (name == NULL) return in6addr_any;
31 he = gethostbyname2(name, PF_INET6);
33 if (he == NULL) return in6addr_any;
35 return *((struct in6_addr *)he->h_addr);
38 static NTSTATUS ipv6_tcp_init(struct socket_context *sock)
40 sock->fd = socket(PF_INET6, SOCK_STREAM, 0);
42 return map_nt_error_from_unix(errno);
48 static void ipv6_tcp_close(struct socket_context *sock)
53 static NTSTATUS ipv6_tcp_connect_complete(struct socket_context *sock, uint32_t flags)
56 socklen_t len = sizeof(error);
58 /* check for any errors that may have occurred - this is needed
59 for non-blocking connect */
60 ret = getsockopt(sock->fd, SOL_SOCKET, SO_ERROR, &error, &len);
62 return map_nt_error_from_unix(errno);
65 return map_nt_error_from_unix(error);
68 if (!(flags & SOCKET_FLAG_BLOCK)) {
69 ret = set_blocking(sock->fd, False);
71 return map_nt_error_from_unix(errno);
75 sock->state = SOCKET_STATE_CLIENT_CONNECTED;
80 static NTSTATUS ipv6_tcp_connect(struct socket_context *sock,
81 const char *my_address, int my_port,
82 const char *srv_address, int srv_port,
85 struct sockaddr_in6 srv_addr;
86 struct in6_addr my_ip;
87 struct in6_addr srv_ip;
90 my_ip = interpret_addr6(my_address);
92 if (memcmp(&my_ip, &in6addr_any, sizeof(my_ip)) || my_port != 0) {
93 struct sockaddr_in6 my_addr;
95 my_addr.sin6_addr = my_ip;
96 my_addr.sin6_port = htons(my_port);
97 my_addr.sin6_family = PF_INET6;
99 ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
101 return map_nt_error_from_unix(errno);
105 srv_ip = interpret_addr6(srv_address);
107 ZERO_STRUCT(srv_addr);
108 srv_addr.sin6_addr = srv_ip;
109 srv_addr.sin6_port = htons(srv_port);
110 srv_addr.sin6_family = PF_INET6;
112 ret = connect(sock->fd, (const struct sockaddr *)&srv_addr, sizeof(srv_addr));
114 return map_nt_error_from_unix(errno);
117 return ipv6_tcp_connect_complete(sock, flags);
120 static NTSTATUS ipv6_tcp_listen(struct socket_context *sock,
121 const char *my_address, int port,
122 int queue_size, uint32_t flags)
124 struct sockaddr_in6 my_addr;
125 struct in6_addr ip_addr;
128 ip_addr = interpret_addr6(my_address);
130 ZERO_STRUCT(my_addr);
131 my_addr.sin6_addr = ip_addr;
132 my_addr.sin6_port = htons(port);
133 my_addr.sin6_family = PF_INET6;
135 ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
137 return map_nt_error_from_unix(errno);
140 ret = listen(sock->fd, queue_size);
142 return map_nt_error_from_unix(errno);
145 if (!(flags & SOCKET_FLAG_BLOCK)) {
146 ret = set_blocking(sock->fd, False);
148 return map_nt_error_from_unix(errno);
152 sock->state= SOCKET_STATE_SERVER_LISTEN;
157 static NTSTATUS ipv6_tcp_accept(struct socket_context *sock, struct socket_context **new_sock)
159 struct sockaddr_in cli_addr;
160 socklen_t cli_addr_len = sizeof(cli_addr);
163 new_fd = accept(sock->fd, (struct sockaddr *)&cli_addr, &cli_addr_len);
165 return map_nt_error_from_unix(errno);
168 if (!(sock->flags & SOCKET_FLAG_BLOCK)) {
169 int ret = set_blocking(new_fd, False);
172 return map_nt_error_from_unix(errno);
176 /* TODO: we could add a 'accept_check' hook here
177 * which get the black/white lists via socket_set_accept_filter()
178 * or something like that
182 (*new_sock) = talloc(NULL, struct socket_context);
185 return NT_STATUS_NO_MEMORY;
188 /* copy the socket_context */
189 (*new_sock)->type = sock->type;
190 (*new_sock)->state = SOCKET_STATE_SERVER_CONNECTED;
191 (*new_sock)->flags = sock->flags;
193 (*new_sock)->fd = new_fd;
195 (*new_sock)->private_data = NULL;
196 (*new_sock)->ops = sock->ops;
201 static NTSTATUS ipv6_tcp_recv(struct socket_context *sock, void *buf,
202 size_t wantlen, size_t *nread, uint32_t flags)
207 /* TODO: we need to map all flags here */
208 if (flags & SOCKET_FLAG_PEEK) {
212 if (flags & SOCKET_FLAG_BLOCK) {
218 gotlen = recv(sock->fd, buf, wantlen, flgs);
220 return NT_STATUS_END_OF_FILE;
221 } else if (gotlen == -1) {
222 return map_nt_error_from_unix(errno);
230 static NTSTATUS ipv6_tcp_send(struct socket_context *sock,
231 const DATA_BLOB *blob, size_t *sendlen, uint32_t flags)
238 len = send(sock->fd, blob->data, blob->length, flgs);
240 return map_nt_error_from_unix(errno);
248 static NTSTATUS ipv6_tcp_set_option(struct socket_context *sock, const char *option, const char *val)
250 set_socket_options(sock->fd, option);
254 static char *ipv6_tcp_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx)
256 struct sockaddr_in6 peer_addr;
257 socklen_t len = sizeof(peer_addr);
261 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
266 he = gethostbyaddr((char *)&peer_addr.sin6_addr, sizeof(peer_addr.sin6_addr), AF_INET6);
271 return talloc_strdup(mem_ctx, he->h_name);
274 static char *ipv6_tcp_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
276 struct sockaddr_in6 peer_addr;
277 socklen_t len = sizeof(peer_addr);
281 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
286 he = gethostbyaddr(&peer_addr.sin6_addr, sizeof(peer_addr.sin6_addr), AF_INET6);
288 if (!he || !he->h_name) {
292 return talloc_strdup(mem_ctx, he->h_name);
295 static int ipv6_tcp_get_peer_port(struct socket_context *sock)
297 struct sockaddr_in6 peer_addr;
298 socklen_t len = sizeof(peer_addr);
301 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
306 return ntohs(peer_addr.sin6_port);
309 static char *ipv6_tcp_get_my_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
311 struct sockaddr_in6 my_addr;
312 socklen_t len = sizeof(my_addr);
316 ret = getsockname(sock->fd, (struct sockaddr *)&my_addr, &len);
321 he = gethostbyaddr((char *)&my_addr.sin6_addr, sizeof(my_addr.sin6_addr), AF_INET6);
326 return talloc_strdup(mem_ctx, he->h_name);
329 static int ipv6_tcp_get_my_port(struct socket_context *sock)
331 struct sockaddr_in6 my_addr;
332 socklen_t len = sizeof(my_addr);
335 ret = getsockname(sock->fd, (struct sockaddr *)&my_addr, &len);
340 return ntohs(my_addr.sin6_port);
343 static int ipv6_tcp_get_fd(struct socket_context *sock)
348 static const struct socket_ops ipv6_tcp_ops = {
350 .fn_init = ipv6_tcp_init,
351 .fn_connect = ipv6_tcp_connect,
352 .fn_connect_complete = ipv6_tcp_connect_complete,
353 .fn_listen = ipv6_tcp_listen,
354 .fn_accept = ipv6_tcp_accept,
355 .fn_recv = ipv6_tcp_recv,
356 .fn_send = ipv6_tcp_send,
357 .fn_close = ipv6_tcp_close,
359 .fn_set_option = ipv6_tcp_set_option,
361 .fn_get_peer_name = ipv6_tcp_get_peer_name,
362 .fn_get_peer_addr = ipv6_tcp_get_peer_addr,
363 .fn_get_peer_port = ipv6_tcp_get_peer_port,
364 .fn_get_my_addr = ipv6_tcp_get_my_addr,
365 .fn_get_my_port = ipv6_tcp_get_my_port,
367 .fn_get_fd = ipv6_tcp_get_fd
370 const struct socket_ops *socket_ipv6_ops(enum socket_type type)
372 if (type != SOCKET_TYPE_STREAM) {
375 return &ipv6_tcp_ops;