--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ Socket IPv6 functions
+ Copyright (C) Stefan Metzmacher 2004
+ Copyright (C) Jelmer Vernooij 2004
+
+ 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"
+
+static struct in6_addr interpret_addr6(const char *name)
+{
+ struct hostent *he;
+
+ if (name == NULL) return in6addr_any;
+
+ he = gethostbyname2(name, PF_INET6);
+
+ if (he == NULL) return in6addr_any;
+
+ return *((struct in6_addr *)he->h_addr);
+}
+
+static NTSTATUS ipv6_tcp_init(struct socket_context *sock)
+{
+ sock->fd = socket(PF_INET6, SOCK_STREAM, 0);
+ if (sock->fd == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ return NT_STATUS_OK;
+}
+
+static void ipv6_tcp_close(struct socket_context *sock)
+{
+ close(sock->fd);
+}
+
+static NTSTATUS ipv6_tcp_connect(struct socket_context *sock,
+ const char *my_address, int my_port,
+ const char *srv_address, int srv_port,
+ uint32_t flags)
+{
+ struct sockaddr_in6 srv_addr;
+ struct in6_addr my_ip;
+ struct in6_addr srv_ip;
+ int ret;
+
+ my_ip = interpret_addr6(my_address);
+
+ if (memcmp(&my_ip, &in6addr_any, sizeof(my_ip)) || my_port != 0) {
+ struct sockaddr_in6 my_addr;
+ ZERO_STRUCT(my_addr);
+ my_addr.sin6_addr = my_ip;
+ my_addr.sin6_port = htons(my_port);
+ my_addr.sin6_family = PF_INET6;
+
+ ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+ }
+
+ srv_ip = interpret_addr6(srv_address);
+
+ ZERO_STRUCT(srv_addr);
+ srv_addr.sin6_addr = srv_ip;
+ srv_addr.sin6_port = htons(srv_port);
+ srv_addr.sin6_family = PF_INET6;
+
+ ret = connect(sock->fd, (const struct sockaddr *)&srv_addr, sizeof(srv_addr));
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ if (!(flags & SOCKET_FLAG_BLOCK)) {
+ ret = set_blocking(sock->fd, False);
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+ }
+
+ sock->state = SOCKET_STATE_CLIENT_CONNECTED;
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS ipv6_tcp_listen(struct socket_context *sock,
+ const char *my_address, int port,
+ int queue_size, uint32_t flags)
+{
+ struct sockaddr_in6 my_addr;
+ struct in6_addr ip_addr;
+ int ret;
+
+ ip_addr = interpret_addr6(my_address);
+
+ ZERO_STRUCT(my_addr);
+ my_addr.sin6_addr = ip_addr;
+ my_addr.sin6_port = htons(port);
+ my_addr.sin6_family = PF_INET6;
+
+ ret = bind(sock->fd, (struct sockaddr *)&my_addr, sizeof(my_addr));
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ ret = listen(sock->fd, queue_size);
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ if (!(flags & SOCKET_FLAG_BLOCK)) {
+ ret = set_blocking(sock->fd, False);
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+ }
+
+ sock->state= SOCKET_STATE_SERVER_LISTEN;
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS ipv6_tcp_accept(struct socket_context *sock, struct socket_context **new_sock)
+{
+ struct sockaddr_in cli_addr;
+ socklen_t cli_addr_len = sizeof(cli_addr);
+ int new_fd;
+
+ new_fd = accept(sock->fd, (struct sockaddr *)&cli_addr, &cli_addr_len);
+ if (new_fd == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ if (!(sock->flags & SOCKET_FLAG_BLOCK)) {
+ int ret = set_blocking(new_fd, False);
+ if (ret == -1) {
+ close(new_fd);
+ return map_nt_error_from_unix(errno);
+ }
+ }
+
+ /* TODO: we could add a 'accept_check' hook here
+ * which get the black/white lists via socket_set_accept_filter()
+ * or something like that
+ * --metze
+ */
+
+ (*new_sock) = talloc_p(NULL, struct socket_context);
+ if (!(*new_sock)) {
+ close(new_fd);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* copy the socket_context */
+ (*new_sock)->type = sock->type;
+ (*new_sock)->state = SOCKET_STATE_SERVER_CONNECTED;
+ (*new_sock)->flags = sock->flags;
+
+ (*new_sock)->fd = new_fd;
+
+ (*new_sock)->private_data = NULL;
+ (*new_sock)->ops = sock->ops;
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS ipv6_tcp_recv(struct socket_context *sock, void *buf,
+ size_t wantlen, size_t *nread, uint32_t flags)
+{
+ ssize_t gotlen;
+ int flgs = 0;
+
+ /* TODO: we need to map all flags here */
+ if (flags & SOCKET_FLAG_PEEK) {
+ flgs |= MSG_PEEK;
+ }
+
+ if (flags & SOCKET_FLAG_BLOCK) {
+ flgs |= MSG_WAITALL;
+ }
+
+ *nread = 0;
+
+ gotlen = recv(sock->fd, buf, wantlen, flgs);
+ if (gotlen == 0) {
+ return NT_STATUS_END_OF_FILE;
+ } else if (gotlen == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ *nread = gotlen;
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS ipv6_tcp_send(struct socket_context *sock,
+ const DATA_BLOB *blob, size_t *sendlen, uint32_t flags)
+{
+ ssize_t len;
+ int flgs = 0;
+
+ *sendlen = 0;
+
+ len = send(sock->fd, blob->data, blob->length, flgs);
+ if (len == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+
+ *sendlen = len;
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS ipv6_tcp_set_option(struct socket_context *sock, const char *option, const char *val)
+{
+ set_socket_options(sock->fd, option);
+ return NT_STATUS_OK;
+}
+
+static char *ipv6_tcp_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx)
+{
+ struct sockaddr_in6 peer_addr;
+ socklen_t len = sizeof(peer_addr);
+ struct hostent *he;
+ int ret;
+
+ ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
+ if (ret == -1) {
+ return NULL;
+ }
+
+ he = gethostbyaddr((char *)&peer_addr.sin6_addr, sizeof(peer_addr.sin6_addr), AF_INET6);
+ if (he == NULL) {
+ return NULL;
+ }
+
+ return talloc_strdup(mem_ctx, he->h_name);
+}
+
+static char *ipv6_tcp_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
+{
+ struct sockaddr_in6 peer_addr;
+ socklen_t len = sizeof(peer_addr);
+ int ret;
+ struct hostent *he;
+
+ ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
+ if (ret == -1) {
+ return NULL;
+ }
+
+ he = gethostbyaddr(&peer_addr.sin6_addr, sizeof(peer_addr.sin6_addr), AF_INET6);
+
+ if (!he || !he->h_name) {
+ return NULL;
+ }
+
+ return talloc_strdup(mem_ctx, he->h_name);
+}
+
+static int ipv6_tcp_get_peer_port(struct socket_context *sock)
+{
+ struct sockaddr_in6 peer_addr;
+ socklen_t len = sizeof(peer_addr);
+ int ret;
+
+ ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len);
+ if (ret == -1) {
+ return -1;
+ }
+
+ return ntohs(peer_addr.sin6_port);
+}
+
+static char *ipv6_tcp_get_my_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx)
+{
+ struct sockaddr_in6 my_addr;
+ socklen_t len = sizeof(my_addr);
+ int ret;
+ struct hostent *he;
+
+ ret = getsockname(sock->fd, (struct sockaddr *)&my_addr, &len);
+ if (ret == -1) {
+ return NULL;
+ }
+
+ he = gethostbyaddr((char *)&my_addr.sin6_addr, sizeof(my_addr.sin6_addr), AF_INET6);
+ if (he == NULL) {
+ return NULL;
+ }
+
+ return talloc_strdup(mem_ctx, he->h_name);
+}
+
+static int ipv6_tcp_get_my_port(struct socket_context *sock)
+{
+ struct sockaddr_in6 my_addr;
+ socklen_t len = sizeof(my_addr);
+ int ret;
+
+ ret = getsockname(sock->fd, (struct sockaddr *)&my_addr, &len);
+ if (ret == -1) {
+ return -1;
+ }
+
+ return ntohs(my_addr.sin6_port);
+}
+
+static int ipv6_tcp_get_fd(struct socket_context *sock)
+{
+ return sock->fd;
+}
+
+static const struct socket_ops ipv6_tcp_ops = {
+ .name = "ipv6",
+ .type = SOCKET_TYPE_STREAM,
+
+ .init = ipv6_tcp_init,
+ .connect = ipv6_tcp_connect,
+ .listen = ipv6_tcp_listen,
+ .accept = ipv6_tcp_accept,
+ .recv = ipv6_tcp_recv,
+ .send = ipv6_tcp_send,
+ .close = ipv6_tcp_close,
+
+ .set_option = ipv6_tcp_set_option,
+
+ .get_peer_name = ipv6_tcp_get_peer_name,
+ .get_peer_addr = ipv6_tcp_get_peer_addr,
+ .get_peer_port = ipv6_tcp_get_peer_port,
+ .get_my_addr = ipv6_tcp_get_my_addr,
+ .get_my_port = ipv6_tcp_get_my_port,
+
+ .get_fd = ipv6_tcp_get_fd
+};
+
+const struct socket_ops *socket_ipv6_ops(void)
+{
+ return &ipv6_tcp_ops;
+}
+
+NTSTATUS socket_ipv6_init(void)
+{
+ return NT_STATUS_OK;
+}
git.samba.org / nivanova / samba-autobuild / .git / commitdiff