2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan Metzmacher 2009
6 ** NOTE! The following LGPL license applies to the tevent
7 ** library. This does NOT imply that all of Samba is released
10 This library is free software; you can redistribute it and/or
11 modify it under the terms of the GNU Lesser General Public
12 License as published by the Free Software Foundation; either
13 version 3 of the License, or (at your option) any later version.
15 This library is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public
21 License along with this library; if not, see <http://www.gnu.org/licenses/>.
25 #include "system/filesys.h"
26 #include "system/network.h"
27 #include "system/filesys.h"
29 #include "tsocket_internal.h"
31 static int tsocket_bsd_error_from_errno(int ret,
49 if (sys_errno == EINTR) {
54 if (sys_errno == EINPROGRESS) {
59 if (sys_errno == EAGAIN) {
65 if (sys_errno == EWOULDBLOCK) {
74 static int tsocket_bsd_common_prepare_fd(int fd, bool high_fd)
87 /* first make a fd >= 3 */
97 for (i=0; i<num_fds; i++) {
106 /* fd should be nonblocking. */
109 #define FLAG_TO_SET O_NONBLOCK
112 #define FLAG_TO_SET O_NDELAY
114 #define FLAG_TO_SET FNDELAY
118 if ((flags = fcntl(fd, F_GETFL)) == -1) {
122 flags |= FLAG_TO_SET;
123 if (fcntl(fd, F_SETFL, flags) == -1) {
129 /* fd should be closed on exec() */
131 result = flags = fcntl(fd, F_GETFD, 0);
134 result = fcntl(fd, F_SETFD, flags);
151 static ssize_t tsocket_bsd_pending(int fd)
156 ret = ioctl(fd, FIONREAD, &value);
164 socklen_t len = sizeof(error);
166 * if no data is available check if the socket
167 * is in error state. For dgram sockets
168 * it's the way to return ICMP error messages
169 * of connected sockets to the caller.
171 ret = getsockopt(fd, SOL_SOCKET, SO_ERROR,
184 /* this should not be reached */
189 static const struct tsocket_context_ops tsocket_context_bsd_ops;
190 static const struct tsocket_address_ops tsocket_address_bsd_ops;
192 static int tsocket_context_bsd_set_option(const struct tsocket_context *sock,
197 struct tsocket_context_bsd {
198 bool close_on_disconnect;
200 struct tevent_fd *fde;
203 struct tsocket_address_bsd {
207 struct sockaddr_in in;
209 struct sockaddr_in6 in6;
211 struct sockaddr_un un;
212 struct sockaddr_storage ss;
216 static int _tsocket_address_bsd_from_sockaddr(TALLOC_CTX *mem_ctx,
219 struct tsocket_address **_addr,
220 const char *location)
222 struct tsocket_address *addr;
223 struct tsocket_address_bsd *bsda;
225 switch (sa->sa_family) {
227 if (sa_len < sizeof(struct sockaddr_un)) {
233 if (sa_len < sizeof(struct sockaddr_in)) {
240 if (sa_len < sizeof(struct sockaddr_in6)) {
247 errno = EAFNOSUPPORT;
251 if (sa_len > sizeof(struct sockaddr_storage)) {
256 addr = tsocket_address_create(mem_ctx,
257 &tsocket_address_bsd_ops,
259 struct tsocket_address_bsd,
268 memcpy(&bsda->u.ss, sa, sa_len);
274 int _tsocket_address_inet_from_strings(TALLOC_CTX *mem_ctx,
278 struct tsocket_address **_addr,
279 const char *location)
281 struct addrinfo hints;
282 struct addrinfo *result = NULL;
288 * we use SOCKET_STREAM here to get just one result
289 * back from getaddrinfo().
291 hints.ai_socktype = SOCK_STREAM;
292 hints.ai_flags = AI_NUMERICHOST | AI_NUMERICSERV;
294 if (strcasecmp(fam, "ip") == 0) {
295 hints.ai_family = AF_UNSPEC;
303 } else if (strcasecmp(fam, "ipv4") == 0) {
304 hints.ai_family = AF_INET;
309 } else if (strcasecmp(fam, "ipv6") == 0) {
310 hints.ai_family = AF_INET6;
316 errno = EAFNOSUPPORT;
320 snprintf(port_str, sizeof(port_str) - 1, "%u", port);
322 ret = getaddrinfo(addr, port_str, &hints, &result);
333 if (result->ai_socktype != SOCK_STREAM) {
339 ret = _tsocket_address_bsd_from_sockaddr(mem_ctx,
347 freeaddrinfo(result);
352 char *tsocket_address_inet_addr_string(const struct tsocket_address *addr,
355 struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
356 struct tsocket_address_bsd);
357 char addr_str[INET6_ADDRSTRLEN+1];
365 switch (bsda->u.sa.sa_family) {
367 str = inet_ntop(bsda->u.in.sin_family,
368 &bsda->u.in.sin_addr,
369 addr_str, sizeof(addr_str));
373 str = inet_ntop(bsda->u.in6.sin6_family,
374 &bsda->u.in6.sin6_addr,
375 addr_str, sizeof(addr_str));
387 return talloc_strdup(mem_ctx, str);
390 uint16_t tsocket_address_inet_port(const struct tsocket_address *addr)
392 struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
393 struct tsocket_address_bsd);
401 switch (bsda->u.sa.sa_family) {
403 port = ntohs(bsda->u.in.sin_port);
407 port = ntohs(bsda->u.in6.sin6_port);
418 int tsocket_address_inet_set_port(struct tsocket_address *addr,
421 struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
422 struct tsocket_address_bsd);
429 switch (bsda->u.sa.sa_family) {
431 bsda->u.in.sin_port = htons(port);
435 bsda->u.in6.sin6_port = htons(port);
446 void tsocket_address_inet_set_broadcast(struct tsocket_address *addr,
449 struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
450 struct tsocket_address_bsd);
456 bsda->broadcast = broadcast;
459 int _tsocket_address_unix_from_path(TALLOC_CTX *mem_ctx,
461 struct tsocket_address **_addr,
462 const char *location)
464 struct sockaddr_un un;
473 un.sun_family = AF_UNIX;
474 strncpy(un.sun_path, path, sizeof(un.sun_path));
476 ret = _tsocket_address_bsd_from_sockaddr(mem_ctx,
477 (struct sockaddr *)p,
485 char *tsocket_address_unix_path(const struct tsocket_address *addr,
488 struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
489 struct tsocket_address_bsd);
497 switch (bsda->u.sa.sa_family) {
499 str = bsda->u.un.sun_path;
506 return talloc_strdup(mem_ctx, str);
509 static char *tsocket_address_bsd_string(const struct tsocket_address *addr,
512 struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
513 struct tsocket_address_bsd);
516 const char *prefix = NULL;
519 switch (bsda->u.sa.sa_family) {
521 return talloc_asprintf(mem_ctx, "unix:%s",
522 bsda->u.un.sun_path);
536 addr_str = tsocket_address_inet_addr_string(addr, mem_ctx);
541 port = tsocket_address_inet_port(addr);
543 str = talloc_asprintf(mem_ctx, "%s:%s:%u",
544 prefix, addr_str, port);
545 talloc_free(addr_str);
550 static struct tsocket_address *tsocket_address_bsd_copy(const struct tsocket_address *addr,
552 const char *location)
554 struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
555 struct tsocket_address_bsd);
556 struct tsocket_address *copy;
559 ret = _tsocket_address_bsd_from_sockaddr(mem_ctx,
568 tsocket_address_inet_set_broadcast(copy, bsda->broadcast);
572 int _tsocket_context_bsd_wrap_existing(TALLOC_CTX *mem_ctx,
573 int fd, bool close_on_disconnect,
574 struct tsocket_context **_sock,
575 const char *location)
577 struct tsocket_context *sock;
578 struct tsocket_context_bsd *bsds;
580 sock = tsocket_context_create(mem_ctx,
581 &tsocket_context_bsd_ops,
583 struct tsocket_context_bsd,
589 bsds->close_on_disconnect = close_on_disconnect;
597 static int tsocket_address_bsd_create_socket(const struct tsocket_address *addr,
598 enum tsocket_type type,
600 struct tsocket_context **_sock,
601 const char *location)
603 struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
604 struct tsocket_address_bsd);
605 struct tsocket_context *sock;
609 bool do_bind = false;
610 bool do_reuseaddr = false;
613 case TSOCKET_TYPE_STREAM:
614 if (bsda->broadcast) {
618 bsd_type = SOCK_STREAM;
621 errno = EPROTONOSUPPORT;
625 switch (bsda->u.sa.sa_family) {
627 if (bsda->broadcast) {
631 if (bsda->u.un.sun_path[0] != 0) {
636 if (bsda->u.in.sin_port != 0) {
640 if (bsda->u.in.sin_addr.s_addr == INADDR_ANY) {
646 if (bsda->u.in6.sin6_port != 0) {
650 if (memcmp(&in6addr_any,
651 &bsda->u.in6.sin6_addr,
652 sizeof(in6addr_any)) != 0) {
662 fd = socket(bsda->u.sa.sa_family, bsd_type, 0);
667 fd = tsocket_common_prepare_fd(fd, true);
672 ret = _tsocket_context_bsd_wrap_existing(mem_ctx, fd, true,
675 int saved_errno = errno;
681 if (bsda->broadcast) {
682 ret = tsocket_context_bsd_set_option(sock, "SO_BROADCAST", true, "1");
684 int saved_errno = errno;
692 ret = tsocket_context_bsd_set_option(sock, "SO_REUSEADDR", true, "1");
694 int saved_errno = errno;
702 ret = bind(fd, &bsda->u.sa, sizeof(bsda->u.ss));
704 int saved_errno = errno;
715 static const struct tsocket_address_ops tsocket_address_bsd_ops = {
717 .string = tsocket_address_bsd_string,
718 .copy = tsocket_address_bsd_copy,
719 .create_socket = tsocket_address_bsd_create_socket
722 static void tsocket_context_bsd_fde_handler(struct tevent_context *ev,
723 struct tevent_fd *fde,
727 struct tsocket_context *sock = talloc_get_type(private_data,
728 struct tsocket_context);
730 if (flags & TEVENT_FD_WRITE) {
731 sock->event.write_handler(sock, sock->event.write_private);
734 if (flags & TEVENT_FD_READ) {
735 sock->event.read_handler(sock, sock->event.read_private);
740 static int tsocket_context_bsd_set_event_context(struct tsocket_context *sock,
741 struct tevent_context *ev)
743 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
744 struct tsocket_context_bsd);
746 talloc_free(bsds->fde);
748 ZERO_STRUCT(sock->event);
754 bsds->fde = tevent_add_fd(ev, bsds,
757 tsocket_context_bsd_fde_handler,
766 sock->event.ctx = ev;
771 static int tsocket_context_bsd_set_read_handler(struct tsocket_context *sock,
772 tsocket_event_handler_t handler,
775 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
776 struct tsocket_context_bsd);
778 if (sock->event.read_handler && !handler) {
779 TEVENT_FD_NOT_READABLE(bsds->fde);
780 } else if (!sock->event.read_handler && handler) {
781 TEVENT_FD_READABLE(bsds->fde);
784 sock->event.read_handler = handler;
785 sock->event.read_private = private_data;
790 static int tsocket_context_bsd_set_write_handler(struct tsocket_context *sock,
791 tsocket_event_handler_t handler,
794 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
795 struct tsocket_context_bsd);
797 if (sock->event.write_handler && !handler) {
798 TEVENT_FD_NOT_WRITEABLE(bsds->fde);
799 } else if (!sock->event.write_handler && handler) {
800 TEVENT_FD_WRITEABLE(bsds->fde);
803 sock->event.write_handler = handler;
804 sock->event.write_private = private_data;
809 static int tsocket_context_bsd_connect_to(struct tsocket_context *sock,
810 const struct tsocket_address *remote)
812 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
813 struct tsocket_context_bsd);
814 struct tsocket_address_bsd *bsda = talloc_get_type(remote->private_data,
815 struct tsocket_address_bsd);
818 ret = connect(bsds->fd, &bsda->u.sa,
824 static int tsocket_context_bsd_listen_on(struct tsocket_context *sock,
827 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
828 struct tsocket_context_bsd);
831 ret = listen(bsds->fd, queue_size);
836 static int tsocket_context_bsd_accept_new(struct tsocket_context *sock,
838 struct tsocket_context **_new_sock,
839 const char *location)
841 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
842 struct tsocket_context_bsd);
844 struct tsocket_context *new_sock;
845 struct tsocket_context_bsd *new_bsds;
846 struct sockaddr_storage ss;
848 socklen_t ss_len = sizeof(ss);
850 new_fd = accept(bsds->fd, (struct sockaddr *)p, &ss_len);
855 new_fd = tsocket_common_prepare_fd(new_fd, true);
860 new_sock = tsocket_context_create(mem_ctx,
861 &tsocket_context_bsd_ops,
863 struct tsocket_context_bsd,
866 int saved_errno = errno;
872 new_bsds->close_on_disconnect = true;
873 new_bsds->fd = new_fd;
874 new_bsds->fde = NULL;
876 *_new_sock = new_sock;
880 static ssize_t tsocket_context_bsd_pending_data(struct tsocket_context *sock)
882 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
883 struct tsocket_context_bsd);
887 ret = ioctl(bsds->fd, FIONREAD, &value);
895 socklen_t len = sizeof(error);
897 * if no data is available check if the socket
898 * is in error state. For dgram sockets
899 * it's the way to return ICMP error messages
900 * of connected sockets to the caller.
902 ret = getsockopt(bsds->fd, SOL_SOCKET, SO_ERROR,
915 /* this should not be reached */
920 static int tsocket_context_bsd_readv_data(struct tsocket_context *sock,
921 const struct iovec *vector,
924 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
925 struct tsocket_context_bsd);
928 ret = readv(bsds->fd, vector, count);
933 static int tsocket_context_bsd_writev_data(struct tsocket_context *sock,
934 const struct iovec *vector,
937 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
938 struct tsocket_context_bsd);
941 ret = writev(bsds->fd, vector, count);
946 static int tsocket_context_bsd_get_status(const struct tsocket_context *sock)
948 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
949 struct tsocket_context_bsd);
952 socklen_t len = sizeof(error);
954 if (bsds->fd == -1) {
959 ret = getsockopt(bsds->fd, SOL_SOCKET, SO_ERROR, &error, &len);
971 static int tsocket_context_bsd_get_local_address(const struct tsocket_context *sock,
973 struct tsocket_address **_addr,
974 const char *location)
976 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
977 struct tsocket_context_bsd);
978 struct tsocket_address *addr;
979 struct tsocket_address_bsd *bsda;
983 addr = tsocket_address_create(mem_ctx,
984 &tsocket_address_bsd_ops,
986 struct tsocket_address_bsd,
994 sa_len = sizeof(bsda->u.ss);
995 ret = getsockname(bsds->fd, &bsda->u.sa, &sa_len);
997 int saved_errno = errno;
1007 static int tsocket_context_bsd_get_remote_address(const struct tsocket_context *sock,
1008 TALLOC_CTX *mem_ctx,
1009 struct tsocket_address **_addr,
1010 const char *location)
1012 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
1013 struct tsocket_context_bsd);
1014 struct tsocket_address *addr;
1015 struct tsocket_address_bsd *bsda;
1019 addr = tsocket_address_create(mem_ctx,
1020 &tsocket_address_bsd_ops,
1022 struct tsocket_address_bsd,
1030 sa_len = sizeof(bsda->u.ss);
1031 ret = getpeername(bsds->fd, &bsda->u.sa, &sa_len);
1033 int saved_errno = errno;
1035 errno = saved_errno;
1043 static const struct tsocket_context_bsd_option {
1048 } tsocket_context_bsd_options[] = {
1049 #define TSOCKET_OPTION(_level, _optnum, _optval) { \
1052 .optnum = _optnum, \
1055 TSOCKET_OPTION(SOL_SOCKET, SO_REUSEADDR, 0),
1056 TSOCKET_OPTION(SOL_SOCKET, SO_BROADCAST, 0)
1059 static int tsocket_context_bsd_get_option(const struct tsocket_context *sock,
1061 TALLOC_CTX *mem_ctx,
1064 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
1065 struct tsocket_context_bsd);
1066 const struct tsocket_context_bsd_option *opt = NULL;
1069 socklen_t optval_len = sizeof(optval);
1073 for (i=0; i < ARRAY_SIZE(tsocket_context_bsd_options); i++) {
1074 if (strcmp(option, tsocket_context_bsd_options[i].name) != 0) {
1078 opt = &tsocket_context_bsd_options[i];
1086 ret = getsockopt(bsds->fd, opt->level, opt->optnum,
1087 (void *)&optval, &optval_len);
1092 if (optval_len != sizeof(optval)) {
1094 } if (opt->optval != 0) {
1095 if (optval == opt->optval) {
1096 value = talloc_strdup(mem_ctx, "1");
1098 value = talloc_strdup(mem_ctx, "0");
1104 value = talloc_asprintf(mem_ctx, "%d", optval);
1121 static int tsocket_context_bsd_set_option(const struct tsocket_context *sock,
1126 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
1127 struct tsocket_context_bsd);
1128 const struct tsocket_context_bsd_option *opt = NULL;
1133 for (i=0; i < ARRAY_SIZE(tsocket_context_bsd_options); i++) {
1134 if (strcmp(option, tsocket_context_bsd_options[i].name) != 0) {
1138 opt = &tsocket_context_bsd_options[i];
1147 if (opt->optval != 0) {
1152 optval = atoi(value);
1154 optval = opt->optval;
1157 ret = setsockopt(bsds->fd, opt->level, opt->optnum,
1158 (const void *)&optval, sizeof(optval));
1178 static void tsocket_context_bsd_disconnect(struct tsocket_context *sock)
1180 struct tsocket_context_bsd *bsds = talloc_get_type(sock->private_data,
1181 struct tsocket_context_bsd);
1183 tsocket_context_bsd_set_event_context(sock, NULL);
1185 if (bsds->fd != -1) {
1186 if (bsds->close_on_disconnect) {
1193 static const struct tsocket_context_ops tsocket_context_bsd_ops = {
1196 .set_event_context = tsocket_context_bsd_set_event_context,
1197 .set_read_handler = tsocket_context_bsd_set_read_handler,
1198 .set_write_handler = tsocket_context_bsd_set_write_handler,
1200 .connect_to = tsocket_context_bsd_connect_to,
1201 .listen_on = tsocket_context_bsd_listen_on,
1202 .accept_new = tsocket_context_bsd_accept_new,
1204 .pending_data = tsocket_context_bsd_pending_data,
1205 .readv_data = tsocket_context_bsd_readv_data,
1206 .writev_data = tsocket_context_bsd_writev_data,
1208 .get_status = tsocket_context_bsd_get_status,
1209 .get_local_address = tsocket_context_bsd_get_local_address,
1210 .get_remote_address = tsocket_context_bsd_get_remote_address,
1212 .get_option = tsocket_context_bsd_get_option,
1213 .set_option = tsocket_context_bsd_set_option,
1215 .disconnect = tsocket_context_bsd_disconnect
1222 struct tevent_fd *fde;
1224 void *readable_private;
1225 void (*readable_handler)(void *private_data);
1226 void *writeable_private;
1227 void (*writeable_handler)(void *private_data);
1229 struct tevent_req *read_req;
1230 struct tevent_req *write_req;
1233 static void tdgram_bsd_fde_handler(struct tevent_context *ev,
1234 struct tevent_fd *fde,
1238 struct tdgram_bsd *bsds = talloc_get_type_abort(private_data,
1241 if (flags & TEVENT_FD_WRITE) {
1242 bsds->writeable_handler(bsds->writeable_private);
1245 if (flags & TEVENT_FD_READ) {
1246 if (!bsds->readable_handler) {
1247 TEVENT_FD_NOT_READABLE(bsds->fde);
1250 bsds->readable_handler(bsds->readable_private);
1255 static int tdgram_bsd_set_readable_handler(struct tdgram_bsd *bsds,
1256 struct tevent_context *ev,
1257 void (*handler)(void *private_data),
1265 if (!bsds->readable_handler) {
1268 bsds->readable_handler = NULL;
1269 bsds->readable_private = NULL;
1274 /* read and write must use the same tevent_context */
1275 if (bsds->event_ptr != ev) {
1276 if (bsds->readable_handler || bsds->writeable_handler) {
1280 bsds->event_ptr = NULL;
1281 TALLOC_FREE(bsds->fde);
1284 if (bsds->fde == NULL) {
1285 bsds->fde = tevent_add_fd(ev, bsds,
1286 bsds->fd, TEVENT_FD_READ,
1287 tdgram_bsd_fde_handler,
1293 /* cache the event context we're running on */
1294 bsds->event_ptr = ev;
1295 } else if (!bsds->readable_handler) {
1296 TEVENT_FD_READABLE(bsds->fde);
1299 bsds->readable_handler = handler;
1300 bsds->readable_private = private_data;
1305 static int tdgram_bsd_set_writeable_handler(struct tdgram_bsd *bsds,
1306 struct tevent_context *ev,
1307 void (*handler)(void *private_data),
1315 if (!bsds->writeable_handler) {
1318 bsds->writeable_handler = NULL;
1319 bsds->writeable_private = NULL;
1320 TEVENT_FD_NOT_WRITEABLE(bsds->fde);
1325 /* read and write must use the same tevent_context */
1326 if (bsds->event_ptr != ev) {
1327 if (bsds->readable_handler || bsds->writeable_handler) {
1331 bsds->event_ptr = NULL;
1332 TALLOC_FREE(bsds->fde);
1335 if (bsds->fde == NULL) {
1336 bsds->fde = tevent_add_fd(ev, bsds,
1337 bsds->fd, TEVENT_FD_WRITE,
1338 tdgram_bsd_fde_handler,
1344 /* cache the event context we're running on */
1345 bsds->event_ptr = ev;
1346 } else if (!bsds->writeable_handler) {
1347 TEVENT_FD_WRITEABLE(bsds->fde);
1350 bsds->writeable_handler = handler;
1351 bsds->writeable_private = private_data;
1356 struct tdgram_bsd_recvfrom_state {
1357 struct tdgram_context *dgram;
1361 struct tsocket_address *src;
1364 static int tdgram_bsd_recvfrom_destructor(struct tdgram_bsd_recvfrom_state *state)
1366 struct tdgram_bsd *bsds = tdgram_context_data(state->dgram,
1369 bsds->read_req = NULL;
1370 tdgram_bsd_set_readable_handler(bsds, NULL, NULL, NULL);
1375 static void tdgram_bsd_recvfrom_handler(void *private_data);
1377 static struct tevent_req *tdgram_bsd_recvfrom_send(TALLOC_CTX *mem_ctx,
1378 struct tevent_context *ev,
1379 struct tdgram_context *dgram)
1381 struct tevent_req *req;
1382 struct tdgram_bsd_recvfrom_state *state;
1383 struct tdgram_bsd *bsds = tdgram_context_data(dgram, struct tdgram_bsd);
1386 req = tevent_req_create(mem_ctx, &state,
1387 struct tdgram_bsd_recvfrom_state);
1392 state->dgram = dgram;
1397 if (bsds->read_req) {
1398 tevent_req_error(req, EBUSY);
1401 bsds->read_req = req;
1403 talloc_set_destructor(state, tdgram_bsd_recvfrom_destructor);
1405 if (bsds->fd == -1) {
1406 tevent_req_error(req, ENOTCONN);
1411 * this is a fast path, not waiting for the
1412 * socket to become explicit readable gains
1413 * about 10%-20% performance in benchmark tests.
1415 tdgram_bsd_recvfrom_handler(req);
1416 if (!tevent_req_is_in_progress(req)) {
1420 ret = tdgram_bsd_set_readable_handler(bsds, ev,
1421 tdgram_bsd_recvfrom_handler,
1424 tevent_req_error(req, errno);
1431 tevent_req_post(req, ev);
1435 static void tdgram_bsd_recvfrom_handler(void *private_data)
1437 struct tevent_req *req = talloc_get_type_abort(private_data,
1439 struct tdgram_bsd_recvfrom_state *state = tevent_req_data(req,
1440 struct tdgram_bsd_recvfrom_state);
1441 struct tdgram_context *dgram = state->dgram;
1442 struct tdgram_bsd *bsds = tdgram_context_data(dgram, struct tdgram_bsd);
1443 struct tsocket_address_bsd *bsda;
1445 struct sockaddr *sa = NULL;
1446 socklen_t sa_len = 0;
1450 ret = tsocket_bsd_pending(bsds->fd);
1455 err = tsocket_bsd_error_from_errno(ret, errno, &retry);
1460 if (tevent_req_error(req, err)) {
1464 state->buf = talloc_array(state, uint8_t, ret);
1465 if (tevent_req_nomem(state->buf, req)) {
1470 state->src = tsocket_address_create(state,
1471 &tsocket_address_bsd_ops,
1473 struct tsocket_address_bsd,
1474 __location__ "bsd_recvfrom");
1475 if (tevent_req_nomem(state->src, req)) {
1482 sa_len = sizeof(bsda->u.ss);
1484 ret = recvfrom(bsds->fd, state->buf, state->len, 0, sa, &sa_len);
1485 err = tsocket_error_from_errno(ret, errno, &retry);
1490 if (tevent_req_error(req, err)) {
1494 if (ret != state->len) {
1495 tevent_req_error(req, EIO);
1499 tevent_req_done(req);
1502 static ssize_t tdgram_bsd_recvfrom_recv(struct tevent_req *req,
1504 TALLOC_CTX *mem_ctx,
1506 struct tsocket_address **src)
1508 struct tdgram_bsd_recvfrom_state *state = tevent_req_data(req,
1509 struct tdgram_bsd_recvfrom_state);
1512 ret = tsocket_simple_int_recv(req, perrno);
1514 *buf = talloc_move(mem_ctx, &state->buf);
1517 *src = talloc_move(mem_ctx, &state->src);
1521 tevent_req_received(req);
1525 struct tdgram_bsd_sendto_state {
1526 struct tdgram_context *dgram;
1530 const struct tsocket_address *dst;
1535 static int tdgram_bsd_sendto_destructor(struct tdgram_bsd_sendto_state *state)
1537 struct tdgram_bsd *bsds = tdgram_context_data(state->dgram,
1540 bsds->write_req = NULL;
1541 tdgram_bsd_set_writeable_handler(bsds, NULL, NULL, NULL);
1545 static void tdgram_bsd_sendto_handler(void *private_data);
1547 static struct tevent_req *tdgram_bsd_sendto_send(TALLOC_CTX *mem_ctx,
1548 struct tevent_context *ev,
1549 struct tdgram_context *dgram,
1552 const struct tsocket_address *dst)
1554 struct tevent_req *req;
1555 struct tdgram_bsd_sendto_state *state;
1556 struct tdgram_bsd *bsds = tdgram_context_data(dgram, struct tdgram_bsd);
1559 req = tevent_req_create(mem_ctx, &state,
1560 struct tdgram_bsd_sendto_state);
1565 state->dgram = dgram;
1571 if (bsds->write_req) {
1572 tevent_req_error(req, EBUSY);
1575 bsds->write_req = req;
1577 talloc_set_destructor(state, tdgram_bsd_sendto_destructor);
1579 if (bsds->fd == -1) {
1580 tevent_req_error(req, ENOTCONN);
1585 * this is a fast path, not waiting for the
1586 * socket to become explicit writeable gains
1587 * about 10%-20% performance in benchmark tests.
1589 tdgram_bsd_sendto_handler(req);
1590 if (!tevent_req_is_in_progress(req)) {
1594 ret = tdgram_bsd_set_writeable_handler(bsds, ev,
1595 tdgram_bsd_sendto_handler,
1598 tevent_req_error(req, errno);
1605 tevent_req_post(req, ev);
1609 static void tdgram_bsd_sendto_handler(void *private_data)
1611 struct tevent_req *req = talloc_get_type_abort(private_data,
1613 struct tdgram_bsd_sendto_state *state = tevent_req_data(req,
1614 struct tdgram_bsd_sendto_state);
1615 struct tdgram_context *dgram = state->dgram;
1616 struct tdgram_bsd *bsds = tdgram_context_data(dgram, struct tdgram_bsd);
1617 struct sockaddr *sa = NULL;
1618 socklen_t sa_len = 0;
1624 struct tsocket_address_bsd *bsda =
1625 talloc_get_type(state->dst->private_data,
1626 struct tsocket_address_bsd);
1629 sa_len = sizeof(bsda->u.ss);
1632 ret = sendto(bsds->fd, state->buf, state->len, 0, sa, sa_len);
1633 err = tsocket_error_from_errno(ret, errno, &retry);
1638 if (tevent_req_error(req, err)) {
1644 tevent_req_done(req);
1647 static ssize_t tdgram_bsd_sendto_recv(struct tevent_req *req, int *perrno)
1649 struct tdgram_bsd_sendto_state *state = tevent_req_data(req,
1650 struct tdgram_bsd_sendto_state);
1653 ret = tsocket_simple_int_recv(req, perrno);
1658 tevent_req_received(req);
1662 struct tdgram_bsd_disconnect_state {
1666 static struct tevent_req *tdgram_bsd_disconnect_send(TALLOC_CTX *mem_ctx,
1667 struct tevent_context *ev,
1668 struct tdgram_context *dgram)
1670 struct tdgram_bsd *bsds = tdgram_context_data(dgram, struct tdgram_bsd);
1671 struct tevent_req *req;
1672 struct tdgram_bsd_disconnect_state *state;
1677 req = tevent_req_create(mem_ctx, &state,
1678 struct tdgram_bsd_disconnect_state);
1683 if (bsds->read_req || bsds->write_req) {
1684 tevent_req_error(req, EBUSY);
1688 if (bsds->fd == -1) {
1689 tevent_req_error(req, ENOTCONN);
1693 ret = close(bsds->fd);
1695 err = tsocket_error_from_errno(ret, errno, &dummy);
1696 if (tevent_req_error(req, err)) {
1700 tevent_req_done(req);
1702 tevent_req_post(req, ev);
1706 static int tdgram_bsd_disconnect_recv(struct tevent_req *req,
1711 ret = tsocket_simple_int_recv(req, perrno);
1713 tevent_req_received(req);
1717 static const struct tdgram_context_ops tdgram_bsd_ops = {
1720 .recvfrom_send = tdgram_bsd_recvfrom_send,
1721 .recvfrom_recv = tdgram_bsd_recvfrom_recv,
1723 .sendto_send = tdgram_bsd_sendto_send,
1724 .sendto_recv = tdgram_bsd_sendto_recv,
1726 .disconnect_send = tdgram_bsd_disconnect_send,
1727 .disconnect_recv = tdgram_bsd_disconnect_recv,
1730 static int tdgram_bsd_destructor(struct tdgram_bsd *bsds)
1732 TALLOC_FREE(bsds->fde);
1733 if (bsds->fd != -1) {
1740 static int tdgram_bsd_dgram_socket(const struct tsocket_address *local,
1741 const struct tsocket_address *remote,
1742 TALLOC_CTX *mem_ctx,
1743 struct tdgram_context **_dgram,
1744 const char *location)
1746 struct tsocket_address_bsd *lbsda =
1747 talloc_get_type_abort(local->private_data,
1748 struct tsocket_address_bsd);
1749 struct tsocket_address_bsd *rbsda = NULL;
1750 struct tdgram_context *dgram;
1751 struct tdgram_bsd *bsds;
1754 bool do_bind = false;
1755 bool do_reuseaddr = false;
1758 rbsda = talloc_get_type_abort(remote->private_data,
1759 struct tsocket_address_bsd);
1762 switch (lbsda->u.sa.sa_family) {
1764 if (lbsda->u.un.sun_path[0] != 0) {
1765 do_reuseaddr = true;
1770 if (lbsda->u.in.sin_port != 0) {
1771 do_reuseaddr = true;
1774 if (lbsda->u.in.sin_addr.s_addr == INADDR_ANY) {
1780 if (lbsda->u.in6.sin6_port != 0) {
1781 do_reuseaddr = true;
1784 if (memcmp(&in6addr_any,
1785 &lbsda->u.in6.sin6_addr,
1786 sizeof(in6addr_any)) != 0) {
1796 fd = socket(lbsda->u.sa.sa_family, SOCK_DGRAM, 0);
1801 fd = tsocket_bsd_common_prepare_fd(fd, true);
1806 dgram = tdgram_context_create(mem_ctx,
1812 int saved_errno = errno;
1814 errno = saved_errno;
1819 talloc_set_destructor(bsds, tdgram_bsd_destructor);
1821 if (lbsda->broadcast) {
1824 ret = setsockopt(fd, SOL_SOCKET, SO_BROADCAST,
1825 (const void *)&val, sizeof(val));
1827 int saved_errno = errno;
1829 errno = saved_errno;
1837 ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
1838 (const void *)&val, sizeof(val));
1840 int saved_errno = errno;
1842 errno = saved_errno;
1848 ret = bind(fd, &lbsda->u.sa, sizeof(lbsda->u.ss));
1850 int saved_errno = errno;
1852 errno = saved_errno;
1858 ret = connect(fd, &rbsda->u.sa, sizeof(rbsda->u.ss));
1860 int saved_errno = errno;
1862 errno = saved_errno;
1871 int _tdgram_inet_udp_socket(const struct tsocket_address *local,
1872 const struct tsocket_address *remote,
1873 TALLOC_CTX *mem_ctx,
1874 struct tdgram_context **dgram,
1875 const char *location)
1877 struct tsocket_address_bsd *lbsda =
1878 talloc_get_type_abort(local->private_data,
1879 struct tsocket_address_bsd);
1882 switch (lbsda->u.sa.sa_family) {
1894 ret = tdgram_bsd_dgram_socket(local, remote, mem_ctx, dgram, location);
1899 int _tdgram_unix_dgram_socket(const struct tsocket_address *local,
1900 const struct tsocket_address *remote,
1901 TALLOC_CTX *mem_ctx,
1902 struct tdgram_context **dgram,
1903 const char *location)
1905 struct tsocket_address_bsd *lbsda =
1906 talloc_get_type_abort(local->private_data,
1907 struct tsocket_address_bsd);
1910 switch (lbsda->u.sa.sa_family) {
1918 ret = tdgram_bsd_dgram_socket(local, remote, mem_ctx, dgram, location);