2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan Metzmacher 2004
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 static NTSTATUS ipv4_tcp_init(struct socket_context *sock)
25 sock->fd = socket(PF_INET, SOCK_STREAM, 0);
27 return map_nt_error_from_unix(errno);
33 static void ipv4_tcp_close(struct socket_context *sock)
38 static NTSTATUS ipv4_tcp_connect(struct socket_context *sock,
39 const char *my_address, int my_port,
40 const char *srv_address, int srv_port,
43 struct sockaddr_in srv_addr;
45 struct in_addr srv_ip;
48 my_ip = interpret_addr2(my_address);
50 if (my_ip.s_addr != 0 || my_port != 0) {
51 struct sockaddr_in my_addr;
53 #ifdef HAVE_SOCK_SIN_LEN
54 my_addr.sin_len = sizeof(my_addr);
56 my_addr.sin_addr = my_ip;
57 my_addr.sin_port = htons(my_port);
58 my_addr.sin_family = PF_INET;
60 ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
62 return map_nt_error_from_unix(errno);
66 srv_ip = interpret_addr2(srv_address);
68 ZERO_STRUCT(srv_addr);
69 #ifdef HAVE_SOCK_SIN_LEN
70 srv_addr.sin_len = sizeof(srv_addr);
72 srv_addr.sin_addr = srv_ip;
73 srv_addr.sin_port = htons(srv_port);
74 srv_addr.sin_family = PF_INET;
76 ret = connect(sock->fd, (const struct sockaddr *)&srv_addr, sizeof(srv_addr));
78 return map_nt_error_from_unix(errno);
81 if (!(flags & SOCKET_FLAG_BLOCK)) {
82 ret = set_blocking(sock->fd, False);
84 return map_nt_error_from_unix(errno);
88 sock->state = SOCKET_STATE_CLIENT_CONNECTED;
93 static NTSTATUS ipv4_tcp_listen(struct socket_context *sock,
94 const char *my_address, int port,
95 int queue_size, uint32_t flags)
97 struct sockaddr_in my_addr;
98 struct in_addr ip_addr;
101 ip_addr = interpret_addr2(my_address);
103 ZERO_STRUCT(my_addr);
104 #ifdef HAVE_SOCK_SIN_LEN
105 my_addr.sin_len = sizeof(my_addr);
107 my_addr.sin_addr = ip_addr;
108 my_addr.sin_port = htons(port);
109 my_addr.sin_family = PF_INET;
111 ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
113 return map_nt_error_from_unix(errno);
116 ret = listen(sock->fd, queue_size);
118 return map_nt_error_from_unix(errno);
121 if (!(flags & SOCKET_FLAG_BLOCK)) {
122 ret = set_blocking(sock->fd, False);
124 return map_nt_error_from_unix(errno);
128 sock->state= SOCKET_STATE_SERVER_LISTEN;
133 static NTSTATUS ipv4_tcp_accept(struct socket_context *sock, struct socket_context **new_sock, uint32_t flags)
135 struct sockaddr_in cli_addr;
136 socklen_t cli_addr_len = sizeof(cli_addr);
139 new_fd = accept(sock->fd, (struct sockaddr *)&cli_addr, &cli_addr_len);
141 return map_nt_error_from_unix(errno);
144 if (!(flags & SOCKET_FLAG_BLOCK)) {
145 int ret = set_blocking(new_fd, False);
148 return map_nt_error_from_unix(errno);
152 /* TODO: we could add a 'accept_check' hook here
153 * which get the black/white lists via socket_set_accept_filter()
154 * or something like that
158 (*new_sock) = talloc_p(NULL, struct socket_context);
161 return NT_STATUS_NO_MEMORY;
164 /* copy the socket_context */
165 (*new_sock)->type = sock->type;
166 (*new_sock)->state = SOCKET_STATE_SERVER_CONNECTED;
167 (*new_sock)->flags = flags;
169 (*new_sock)->fd = new_fd;
171 (*new_sock)->private_data = NULL;
172 (*new_sock)->ops = sock->ops;
177 static NTSTATUS ipv4_tcp_recv(struct socket_context *sock, void *buf,
178 size_t wantlen, size_t *nread, uint32_t flags)
183 /* TODO: we need to map all flags here */
184 if (flags & SOCKET_FLAG_PEEK) {
188 if (flags & SOCKET_FLAG_BLOCK) {
194 gotlen = recv(sock->fd, buf, wantlen, flgs);
196 return NT_STATUS_END_OF_FILE;
197 } else if (gotlen == -1) {
198 return map_nt_error_from_unix(errno);
206 static NTSTATUS ipv4_tcp_send(struct socket_context *sock,
207 const DATA_BLOB *blob, size_t *sendlen, uint32_t flags)
214 len = send(sock->fd, blob->data, blob->length, flgs);
216 return map_nt_error_from_unix(errno);
224 static NTSTATUS ipv4_tcp_set_option(struct socket_context *sock, const char *option, const char *val)
226 set_socket_options(sock->fd, option);
230 static char *ipv4_tcp_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx)
232 struct sockaddr_in peer_addr;
233 socklen_t len = sizeof(peer_addr);
237 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
242 he = gethostbyaddr((char *)&peer_addr.sin_addr, sizeof(peer_addr.sin_addr), AF_INET);
247 return talloc_strdup(mem_ctx, he->h_name);
250 static char *ipv4_tcp_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
252 struct sockaddr_in peer_addr;
253 socklen_t len = sizeof(peer_addr);
256 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
261 return talloc_strdup(mem_ctx, inet_ntoa(peer_addr.sin_addr));
264 static int ipv4_tcp_get_peer_port(struct socket_context *sock)
266 struct sockaddr_in peer_addr;
267 socklen_t len = sizeof(peer_addr);
270 ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
275 return ntohs(peer_addr.sin_port);
278 static char *ipv4_tcp_get_my_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
280 struct sockaddr_in my_addr;
281 socklen_t len = sizeof(my_addr);
284 ret = getsockname(sock->fd, (struct sockaddr *)&my_addr, &len);
289 return talloc_strdup(mem_ctx, inet_ntoa(my_addr.sin_addr));
292 static int ipv4_tcp_get_my_port(struct socket_context *sock)
294 struct sockaddr_in my_addr;
295 socklen_t len = sizeof(my_addr);
298 ret = getsockname(sock->fd, (struct sockaddr *)&my_addr, &len);
303 return ntohs(my_addr.sin_port);
306 static int ipv4_tcp_get_fd(struct socket_context *sock)
311 static const struct socket_ops ipv4_tcp_ops = {
313 .type = SOCKET_TYPE_STREAM,
315 .init = ipv4_tcp_init,
316 .connect = ipv4_tcp_connect,
317 .listen = ipv4_tcp_listen,
318 .accept = ipv4_tcp_accept,
319 .recv = ipv4_tcp_recv,
320 .send = ipv4_tcp_send,
321 .close = ipv4_tcp_close,
323 .set_option = ipv4_tcp_set_option,
325 .get_peer_name = ipv4_tcp_get_peer_name,
326 .get_peer_addr = ipv4_tcp_get_peer_addr,
327 .get_peer_port = ipv4_tcp_get_peer_port,
328 .get_my_addr = ipv4_tcp_get_my_addr,
329 .get_my_port = ipv4_tcp_get_my_port,
331 .get_fd = ipv4_tcp_get_fd
334 const struct socket_ops *socket_ipv4_ops(void)
336 return &ipv4_tcp_ops;
339 NTSTATUS socket_ipv4_init(void)