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"
28 #include "tsocket_internal.h"
30 static int tsocket_bsd_error_from_errno(int ret
,
48 if (sys_errno
== EINTR
) {
53 if (sys_errno
== EINPROGRESS
) {
58 if (sys_errno
== EAGAIN
) {
64 if (sys_errno
== EWOULDBLOCK
) {
73 static int tsocket_bsd_common_prepare_fd(int fd
, bool high_fd
)
86 /* first make a fd >= 3 */
96 for (i
=0; i
<num_fds
; i
++) {
105 /* fd should be nonblocking. */
108 #define FLAG_TO_SET O_NONBLOCK
111 #define FLAG_TO_SET O_NDELAY
113 #define FLAG_TO_SET FNDELAY
117 if ((flags
= fcntl(fd
, F_GETFL
)) == -1) {
121 flags
|= FLAG_TO_SET
;
122 if (fcntl(fd
, F_SETFL
, flags
) == -1) {
128 /* fd should be closed on exec() */
130 result
= flags
= fcntl(fd
, F_GETFD
, 0);
133 result
= fcntl(fd
, F_SETFD
, flags
);
150 static ssize_t
tsocket_bsd_pending(int fd
)
155 ret
= ioctl(fd
, FIONREAD
, &value
);
163 socklen_t len
= sizeof(error
);
165 * if no data is available check if the socket
166 * is in error state. For dgram sockets
167 * it's the way to return ICMP error messages
168 * of connected sockets to the caller.
170 ret
= getsockopt(fd
, SOL_SOCKET
, SO_ERROR
,
183 /* this should not be reached */
188 static const struct tsocket_address_ops tsocket_address_bsd_ops
;
190 struct tsocket_address_bsd
{
193 struct sockaddr_in in
;
195 struct sockaddr_in6 in6
;
197 struct sockaddr_un un
;
198 struct sockaddr_storage ss
;
202 static int _tsocket_address_bsd_from_sockaddr(TALLOC_CTX
*mem_ctx
,
205 struct tsocket_address
**_addr
,
206 const char *location
)
208 struct tsocket_address
*addr
;
209 struct tsocket_address_bsd
*bsda
;
211 switch (sa
->sa_family
) {
213 if (sa_len
< sizeof(struct sockaddr_un
)) {
219 if (sa_len
< sizeof(struct sockaddr_in
)) {
226 if (sa_len
< sizeof(struct sockaddr_in6
)) {
233 errno
= EAFNOSUPPORT
;
237 if (sa_len
> sizeof(struct sockaddr_storage
)) {
242 addr
= tsocket_address_create(mem_ctx
,
243 &tsocket_address_bsd_ops
,
245 struct tsocket_address_bsd
,
254 memcpy(&bsda
->u
.ss
, sa
, sa_len
);
260 int _tsocket_address_inet_from_strings(TALLOC_CTX
*mem_ctx
,
264 struct tsocket_address
**_addr
,
265 const char *location
)
267 struct addrinfo hints
;
268 struct addrinfo
*result
= NULL
;
274 * we use SOCKET_STREAM here to get just one result
275 * back from getaddrinfo().
277 hints
.ai_socktype
= SOCK_STREAM
;
278 hints
.ai_flags
= AI_NUMERICHOST
| AI_NUMERICSERV
;
280 if (strcasecmp(fam
, "ip") == 0) {
281 hints
.ai_family
= AF_UNSPEC
;
289 } else if (strcasecmp(fam
, "ipv4") == 0) {
290 hints
.ai_family
= AF_INET
;
295 } else if (strcasecmp(fam
, "ipv6") == 0) {
296 hints
.ai_family
= AF_INET6
;
302 errno
= EAFNOSUPPORT
;
306 snprintf(port_str
, sizeof(port_str
) - 1, "%u", port
);
308 ret
= getaddrinfo(addr
, port_str
, &hints
, &result
);
319 if (result
->ai_socktype
!= SOCK_STREAM
) {
325 ret
= _tsocket_address_bsd_from_sockaddr(mem_ctx
,
333 freeaddrinfo(result
);
338 char *tsocket_address_inet_addr_string(const struct tsocket_address
*addr
,
341 struct tsocket_address_bsd
*bsda
= talloc_get_type(addr
->private_data
,
342 struct tsocket_address_bsd
);
343 char addr_str
[INET6_ADDRSTRLEN
+1];
351 switch (bsda
->u
.sa
.sa_family
) {
353 str
= inet_ntop(bsda
->u
.in
.sin_family
,
354 &bsda
->u
.in
.sin_addr
,
355 addr_str
, sizeof(addr_str
));
359 str
= inet_ntop(bsda
->u
.in6
.sin6_family
,
360 &bsda
->u
.in6
.sin6_addr
,
361 addr_str
, sizeof(addr_str
));
373 return talloc_strdup(mem_ctx
, str
);
376 uint16_t tsocket_address_inet_port(const struct tsocket_address
*addr
)
378 struct tsocket_address_bsd
*bsda
= talloc_get_type(addr
->private_data
,
379 struct tsocket_address_bsd
);
387 switch (bsda
->u
.sa
.sa_family
) {
389 port
= ntohs(bsda
->u
.in
.sin_port
);
393 port
= ntohs(bsda
->u
.in6
.sin6_port
);
404 int tsocket_address_inet_set_port(struct tsocket_address
*addr
,
407 struct tsocket_address_bsd
*bsda
= talloc_get_type(addr
->private_data
,
408 struct tsocket_address_bsd
);
415 switch (bsda
->u
.sa
.sa_family
) {
417 bsda
->u
.in
.sin_port
= htons(port
);
421 bsda
->u
.in6
.sin6_port
= htons(port
);
432 int _tsocket_address_unix_from_path(TALLOC_CTX
*mem_ctx
,
434 struct tsocket_address
**_addr
,
435 const char *location
)
437 struct sockaddr_un un
;
446 un
.sun_family
= AF_UNIX
;
447 strncpy(un
.sun_path
, path
, sizeof(un
.sun_path
));
449 ret
= _tsocket_address_bsd_from_sockaddr(mem_ctx
,
450 (struct sockaddr
*)p
,
458 char *tsocket_address_unix_path(const struct tsocket_address
*addr
,
461 struct tsocket_address_bsd
*bsda
= talloc_get_type(addr
->private_data
,
462 struct tsocket_address_bsd
);
470 switch (bsda
->u
.sa
.sa_family
) {
472 str
= bsda
->u
.un
.sun_path
;
479 return talloc_strdup(mem_ctx
, str
);
482 static char *tsocket_address_bsd_string(const struct tsocket_address
*addr
,
485 struct tsocket_address_bsd
*bsda
= talloc_get_type(addr
->private_data
,
486 struct tsocket_address_bsd
);
489 const char *prefix
= NULL
;
492 switch (bsda
->u
.sa
.sa_family
) {
494 return talloc_asprintf(mem_ctx
, "unix:%s",
495 bsda
->u
.un
.sun_path
);
509 addr_str
= tsocket_address_inet_addr_string(addr
, mem_ctx
);
514 port
= tsocket_address_inet_port(addr
);
516 str
= talloc_asprintf(mem_ctx
, "%s:%s:%u",
517 prefix
, addr_str
, port
);
518 talloc_free(addr_str
);
523 static struct tsocket_address
*tsocket_address_bsd_copy(const struct tsocket_address
*addr
,
525 const char *location
)
527 struct tsocket_address_bsd
*bsda
= talloc_get_type(addr
->private_data
,
528 struct tsocket_address_bsd
);
529 struct tsocket_address
*copy
;
532 ret
= _tsocket_address_bsd_from_sockaddr(mem_ctx
,
544 static const struct tsocket_address_ops tsocket_address_bsd_ops
= {
546 .string
= tsocket_address_bsd_string
,
547 .copy
= tsocket_address_bsd_copy
,
554 struct tevent_fd
*fde
;
556 void *readable_private
;
557 void (*readable_handler
)(void *private_data
);
558 void *writeable_private
;
559 void (*writeable_handler
)(void *private_data
);
562 static void tdgram_bsd_fde_handler(struct tevent_context
*ev
,
563 struct tevent_fd
*fde
,
567 struct tdgram_bsd
*bsds
= talloc_get_type_abort(private_data
,
570 if (flags
& TEVENT_FD_WRITE
) {
571 bsds
->writeable_handler(bsds
->writeable_private
);
574 if (flags
& TEVENT_FD_READ
) {
575 if (!bsds
->readable_handler
) {
576 TEVENT_FD_NOT_READABLE(bsds
->fde
);
579 bsds
->readable_handler(bsds
->readable_private
);
584 static int tdgram_bsd_set_readable_handler(struct tdgram_bsd
*bsds
,
585 struct tevent_context
*ev
,
586 void (*handler
)(void *private_data
),
594 if (!bsds
->readable_handler
) {
597 bsds
->readable_handler
= NULL
;
598 bsds
->readable_private
= NULL
;
603 /* read and write must use the same tevent_context */
604 if (bsds
->event_ptr
!= ev
) {
605 if (bsds
->readable_handler
|| bsds
->writeable_handler
) {
609 bsds
->event_ptr
= NULL
;
610 TALLOC_FREE(bsds
->fde
);
613 if (bsds
->fde
== NULL
) {
614 bsds
->fde
= tevent_add_fd(ev
, bsds
,
615 bsds
->fd
, TEVENT_FD_READ
,
616 tdgram_bsd_fde_handler
,
622 /* cache the event context we're running on */
623 bsds
->event_ptr
= ev
;
624 } else if (!bsds
->readable_handler
) {
625 TEVENT_FD_READABLE(bsds
->fde
);
628 bsds
->readable_handler
= handler
;
629 bsds
->readable_private
= private_data
;
634 static int tdgram_bsd_set_writeable_handler(struct tdgram_bsd
*bsds
,
635 struct tevent_context
*ev
,
636 void (*handler
)(void *private_data
),
644 if (!bsds
->writeable_handler
) {
647 bsds
->writeable_handler
= NULL
;
648 bsds
->writeable_private
= NULL
;
649 TEVENT_FD_NOT_WRITEABLE(bsds
->fde
);
654 /* read and write must use the same tevent_context */
655 if (bsds
->event_ptr
!= ev
) {
656 if (bsds
->readable_handler
|| bsds
->writeable_handler
) {
660 bsds
->event_ptr
= NULL
;
661 TALLOC_FREE(bsds
->fde
);
664 if (bsds
->fde
== NULL
) {
665 bsds
->fde
= tevent_add_fd(ev
, bsds
,
666 bsds
->fd
, TEVENT_FD_WRITE
,
667 tdgram_bsd_fde_handler
,
673 /* cache the event context we're running on */
674 bsds
->event_ptr
= ev
;
675 } else if (!bsds
->writeable_handler
) {
676 TEVENT_FD_WRITEABLE(bsds
->fde
);
679 bsds
->writeable_handler
= handler
;
680 bsds
->writeable_private
= private_data
;
685 struct tdgram_bsd_recvfrom_state
{
686 struct tdgram_context
*dgram
;
690 struct tsocket_address
*src
;
693 static int tdgram_bsd_recvfrom_destructor(struct tdgram_bsd_recvfrom_state
*state
)
695 struct tdgram_bsd
*bsds
= tdgram_context_data(state
->dgram
,
698 tdgram_bsd_set_readable_handler(bsds
, NULL
, NULL
, NULL
);
703 static void tdgram_bsd_recvfrom_handler(void *private_data
);
705 static struct tevent_req
*tdgram_bsd_recvfrom_send(TALLOC_CTX
*mem_ctx
,
706 struct tevent_context
*ev
,
707 struct tdgram_context
*dgram
)
709 struct tevent_req
*req
;
710 struct tdgram_bsd_recvfrom_state
*state
;
711 struct tdgram_bsd
*bsds
= tdgram_context_data(dgram
, struct tdgram_bsd
);
714 req
= tevent_req_create(mem_ctx
, &state
,
715 struct tdgram_bsd_recvfrom_state
);
720 state
->dgram
= dgram
;
725 talloc_set_destructor(state
, tdgram_bsd_recvfrom_destructor
);
727 if (bsds
->fd
== -1) {
728 tevent_req_error(req
, ENOTCONN
);
733 * this is a fast path, not waiting for the
734 * socket to become explicit readable gains
735 * about 10%-20% performance in benchmark tests.
737 tdgram_bsd_recvfrom_handler(req
);
738 if (!tevent_req_is_in_progress(req
)) {
742 ret
= tdgram_bsd_set_readable_handler(bsds
, ev
,
743 tdgram_bsd_recvfrom_handler
,
746 tevent_req_error(req
, errno
);
753 tevent_req_post(req
, ev
);
757 static void tdgram_bsd_recvfrom_handler(void *private_data
)
759 struct tevent_req
*req
= talloc_get_type_abort(private_data
,
761 struct tdgram_bsd_recvfrom_state
*state
= tevent_req_data(req
,
762 struct tdgram_bsd_recvfrom_state
);
763 struct tdgram_context
*dgram
= state
->dgram
;
764 struct tdgram_bsd
*bsds
= tdgram_context_data(dgram
, struct tdgram_bsd
);
765 struct tsocket_address_bsd
*bsda
;
767 struct sockaddr
*sa
= NULL
;
768 socklen_t sa_len
= 0;
772 ret
= tsocket_bsd_pending(bsds
->fd
);
777 err
= tsocket_bsd_error_from_errno(ret
, errno
, &retry
);
782 if (tevent_req_error(req
, err
)) {
786 state
->buf
= talloc_array(state
, uint8_t, ret
);
787 if (tevent_req_nomem(state
->buf
, req
)) {
792 state
->src
= tsocket_address_create(state
,
793 &tsocket_address_bsd_ops
,
795 struct tsocket_address_bsd
,
796 __location__
"bsd_recvfrom");
797 if (tevent_req_nomem(state
->src
, req
)) {
804 sa_len
= sizeof(bsda
->u
.ss
);
806 * for unix sockets we can't use the size of sockaddr_storage
807 * we would get EINVAL
809 if (bsda
->u
.sa
.sa_family
== AF_UNIX
) {
810 sa_len
= sizeof(bsda
->u
.un
);
813 ret
= recvfrom(bsds
->fd
, state
->buf
, state
->len
, 0, sa
, &sa_len
);
814 err
= tsocket_bsd_error_from_errno(ret
, errno
, &retry
);
819 if (tevent_req_error(req
, err
)) {
823 if (ret
!= state
->len
) {
824 tevent_req_error(req
, EIO
);
828 tevent_req_done(req
);
831 static ssize_t
tdgram_bsd_recvfrom_recv(struct tevent_req
*req
,
835 struct tsocket_address
**src
)
837 struct tdgram_bsd_recvfrom_state
*state
= tevent_req_data(req
,
838 struct tdgram_bsd_recvfrom_state
);
841 ret
= tsocket_simple_int_recv(req
, perrno
);
843 *buf
= talloc_move(mem_ctx
, &state
->buf
);
846 *src
= talloc_move(mem_ctx
, &state
->src
);
850 tevent_req_received(req
);
854 struct tdgram_bsd_sendto_state
{
855 struct tdgram_context
*dgram
;
859 const struct tsocket_address
*dst
;
864 static int tdgram_bsd_sendto_destructor(struct tdgram_bsd_sendto_state
*state
)
866 struct tdgram_bsd
*bsds
= tdgram_context_data(state
->dgram
,
869 tdgram_bsd_set_writeable_handler(bsds
, NULL
, NULL
, NULL
);
874 static void tdgram_bsd_sendto_handler(void *private_data
);
876 static struct tevent_req
*tdgram_bsd_sendto_send(TALLOC_CTX
*mem_ctx
,
877 struct tevent_context
*ev
,
878 struct tdgram_context
*dgram
,
881 const struct tsocket_address
*dst
)
883 struct tevent_req
*req
;
884 struct tdgram_bsd_sendto_state
*state
;
885 struct tdgram_bsd
*bsds
= tdgram_context_data(dgram
, struct tdgram_bsd
);
888 req
= tevent_req_create(mem_ctx
, &state
,
889 struct tdgram_bsd_sendto_state
);
894 state
->dgram
= dgram
;
900 talloc_set_destructor(state
, tdgram_bsd_sendto_destructor
);
902 if (bsds
->fd
== -1) {
903 tevent_req_error(req
, ENOTCONN
);
908 * this is a fast path, not waiting for the
909 * socket to become explicit writeable gains
910 * about 10%-20% performance in benchmark tests.
912 tdgram_bsd_sendto_handler(req
);
913 if (!tevent_req_is_in_progress(req
)) {
917 ret
= tdgram_bsd_set_writeable_handler(bsds
, ev
,
918 tdgram_bsd_sendto_handler
,
921 tevent_req_error(req
, errno
);
928 tevent_req_post(req
, ev
);
932 static void tdgram_bsd_sendto_handler(void *private_data
)
934 struct tevent_req
*req
= talloc_get_type_abort(private_data
,
936 struct tdgram_bsd_sendto_state
*state
= tevent_req_data(req
,
937 struct tdgram_bsd_sendto_state
);
938 struct tdgram_context
*dgram
= state
->dgram
;
939 struct tdgram_bsd
*bsds
= tdgram_context_data(dgram
, struct tdgram_bsd
);
940 struct sockaddr
*sa
= NULL
;
941 socklen_t sa_len
= 0;
947 struct tsocket_address_bsd
*bsda
=
948 talloc_get_type(state
->dst
->private_data
,
949 struct tsocket_address_bsd
);
952 sa_len
= sizeof(bsda
->u
.ss
);
954 * for unix sockets we can't use the size of sockaddr_storage
955 * we would get EINVAL
957 if (bsda
->u
.sa
.sa_family
== AF_UNIX
) {
958 sa_len
= sizeof(bsda
->u
.un
);
962 ret
= sendto(bsds
->fd
, state
->buf
, state
->len
, 0, sa
, sa_len
);
963 err
= tsocket_bsd_error_from_errno(ret
, errno
, &retry
);
968 if (tevent_req_error(req
, err
)) {
974 tevent_req_done(req
);
977 static ssize_t
tdgram_bsd_sendto_recv(struct tevent_req
*req
, int *perrno
)
979 struct tdgram_bsd_sendto_state
*state
= tevent_req_data(req
,
980 struct tdgram_bsd_sendto_state
);
983 ret
= tsocket_simple_int_recv(req
, perrno
);
988 tevent_req_received(req
);
992 struct tdgram_bsd_disconnect_state
{
996 static struct tevent_req
*tdgram_bsd_disconnect_send(TALLOC_CTX
*mem_ctx
,
997 struct tevent_context
*ev
,
998 struct tdgram_context
*dgram
)
1000 struct tdgram_bsd
*bsds
= tdgram_context_data(dgram
, struct tdgram_bsd
);
1001 struct tevent_req
*req
;
1002 struct tdgram_bsd_disconnect_state
*state
;
1007 req
= tevent_req_create(mem_ctx
, &state
,
1008 struct tdgram_bsd_disconnect_state
);
1013 if (bsds
->fd
== -1) {
1014 tevent_req_error(req
, ENOTCONN
);
1018 ret
= close(bsds
->fd
);
1020 err
= tsocket_bsd_error_from_errno(ret
, errno
, &dummy
);
1021 if (tevent_req_error(req
, err
)) {
1025 tevent_req_done(req
);
1027 tevent_req_post(req
, ev
);
1031 static int tdgram_bsd_disconnect_recv(struct tevent_req
*req
,
1036 ret
= tsocket_simple_int_recv(req
, perrno
);
1038 tevent_req_received(req
);
1042 static const struct tdgram_context_ops tdgram_bsd_ops
= {
1045 .recvfrom_send
= tdgram_bsd_recvfrom_send
,
1046 .recvfrom_recv
= tdgram_bsd_recvfrom_recv
,
1048 .sendto_send
= tdgram_bsd_sendto_send
,
1049 .sendto_recv
= tdgram_bsd_sendto_recv
,
1051 .disconnect_send
= tdgram_bsd_disconnect_send
,
1052 .disconnect_recv
= tdgram_bsd_disconnect_recv
,
1055 static int tdgram_bsd_destructor(struct tdgram_bsd
*bsds
)
1057 TALLOC_FREE(bsds
->fde
);
1058 if (bsds
->fd
!= -1) {
1065 static int tdgram_bsd_dgram_socket(const struct tsocket_address
*local
,
1066 const struct tsocket_address
*remote
,
1068 TALLOC_CTX
*mem_ctx
,
1069 struct tdgram_context
**_dgram
,
1070 const char *location
)
1072 struct tsocket_address_bsd
*lbsda
=
1073 talloc_get_type_abort(local
->private_data
,
1074 struct tsocket_address_bsd
);
1075 struct tsocket_address_bsd
*rbsda
= NULL
;
1076 struct tdgram_context
*dgram
;
1077 struct tdgram_bsd
*bsds
;
1080 bool do_bind
= false;
1081 bool do_reuseaddr
= false;
1082 socklen_t sa_len
= sizeof(lbsda
->u
.ss
);
1085 rbsda
= talloc_get_type_abort(remote
->private_data
,
1086 struct tsocket_address_bsd
);
1089 switch (lbsda
->u
.sa
.sa_family
) {
1095 if (lbsda
->u
.un
.sun_path
[0] != 0) {
1096 do_reuseaddr
= true;
1100 * for unix sockets we can't use the size of sockaddr_storage
1101 * we would get EINVAL
1103 sa_len
= sizeof(lbsda
->u
.un
);
1106 if (lbsda
->u
.in
.sin_port
!= 0) {
1107 do_reuseaddr
= true;
1110 if (lbsda
->u
.in
.sin_addr
.s_addr
== INADDR_ANY
) {
1116 if (lbsda
->u
.in6
.sin6_port
!= 0) {
1117 do_reuseaddr
= true;
1120 if (memcmp(&in6addr_any
,
1121 &lbsda
->u
.in6
.sin6_addr
,
1122 sizeof(in6addr_any
)) != 0) {
1132 fd
= socket(lbsda
->u
.sa
.sa_family
, SOCK_DGRAM
, 0);
1137 fd
= tsocket_bsd_common_prepare_fd(fd
, true);
1142 dgram
= tdgram_context_create(mem_ctx
,
1148 int saved_errno
= errno
;
1150 errno
= saved_errno
;
1155 talloc_set_destructor(bsds
, tdgram_bsd_destructor
);
1160 ret
= setsockopt(fd
, SOL_SOCKET
, SO_BROADCAST
,
1161 (const void *)&val
, sizeof(val
));
1163 int saved_errno
= errno
;
1165 errno
= saved_errno
;
1173 ret
= setsockopt(fd
, SOL_SOCKET
, SO_REUSEADDR
,
1174 (const void *)&val
, sizeof(val
));
1176 int saved_errno
= errno
;
1178 errno
= saved_errno
;
1184 ret
= bind(fd
, &lbsda
->u
.sa
, sa_len
);
1186 int saved_errno
= errno
;
1188 errno
= saved_errno
;
1194 ret
= connect(fd
, &rbsda
->u
.sa
, sa_len
);
1196 int saved_errno
= errno
;
1198 errno
= saved_errno
;
1207 int _tdgram_inet_udp_socket(const struct tsocket_address
*local
,
1208 const struct tsocket_address
*remote
,
1209 TALLOC_CTX
*mem_ctx
,
1210 struct tdgram_context
**dgram
,
1211 const char *location
)
1213 struct tsocket_address_bsd
*lbsda
=
1214 talloc_get_type_abort(local
->private_data
,
1215 struct tsocket_address_bsd
);
1218 switch (lbsda
->u
.sa
.sa_family
) {
1230 ret
= tdgram_bsd_dgram_socket(local
, remote
, false,
1231 mem_ctx
, dgram
, location
);
1236 int _tdgram_unix_socket(const struct tsocket_address
*local
,
1237 const struct tsocket_address
*remote
,
1238 TALLOC_CTX
*mem_ctx
,
1239 struct tdgram_context
**dgram
,
1240 const char *location
)
1242 struct tsocket_address_bsd
*lbsda
=
1243 talloc_get_type_abort(local
->private_data
,
1244 struct tsocket_address_bsd
);
1247 switch (lbsda
->u
.sa
.sa_family
) {
1255 ret
= tdgram_bsd_dgram_socket(local
, remote
, false,
1256 mem_ctx
, dgram
, location
);
1261 struct tstream_bsd
{
1265 struct tevent_fd
*fde
;
1267 void *readable_private
;
1268 void (*readable_handler
)(void *private_data
);
1269 void *writeable_private
;
1270 void (*writeable_handler
)(void *private_data
);
1273 static void tstream_bsd_fde_handler(struct tevent_context
*ev
,
1274 struct tevent_fd
*fde
,
1278 struct tstream_bsd
*bsds
= talloc_get_type_abort(private_data
,
1279 struct tstream_bsd
);
1281 if (flags
& TEVENT_FD_WRITE
) {
1282 bsds
->writeable_handler(bsds
->writeable_private
);
1285 if (flags
& TEVENT_FD_READ
) {
1286 if (!bsds
->readable_handler
) {
1287 TEVENT_FD_NOT_READABLE(bsds
->fde
);
1290 bsds
->readable_handler(bsds
->readable_private
);
1295 static int tstream_bsd_set_readable_handler(struct tstream_bsd
*bsds
,
1296 struct tevent_context
*ev
,
1297 void (*handler
)(void *private_data
),
1305 if (!bsds
->readable_handler
) {
1308 bsds
->readable_handler
= NULL
;
1309 bsds
->readable_private
= NULL
;
1314 /* read and write must use the same tevent_context */
1315 if (bsds
->event_ptr
!= ev
) {
1316 if (bsds
->readable_handler
|| bsds
->writeable_handler
) {
1320 bsds
->event_ptr
= NULL
;
1321 TALLOC_FREE(bsds
->fde
);
1324 if (bsds
->fde
== NULL
) {
1325 bsds
->fde
= tevent_add_fd(ev
, bsds
,
1326 bsds
->fd
, TEVENT_FD_READ
,
1327 tstream_bsd_fde_handler
,
1333 /* cache the event context we're running on */
1334 bsds
->event_ptr
= ev
;
1335 } else if (!bsds
->readable_handler
) {
1336 TEVENT_FD_READABLE(bsds
->fde
);
1339 bsds
->readable_handler
= handler
;
1340 bsds
->readable_private
= private_data
;
1345 static int tstream_bsd_set_writeable_handler(struct tstream_bsd
*bsds
,
1346 struct tevent_context
*ev
,
1347 void (*handler
)(void *private_data
),
1355 if (!bsds
->writeable_handler
) {
1358 bsds
->writeable_handler
= NULL
;
1359 bsds
->writeable_private
= NULL
;
1360 TEVENT_FD_NOT_WRITEABLE(bsds
->fde
);
1365 /* read and write must use the same tevent_context */
1366 if (bsds
->event_ptr
!= ev
) {
1367 if (bsds
->readable_handler
|| bsds
->writeable_handler
) {
1371 bsds
->event_ptr
= NULL
;
1372 TALLOC_FREE(bsds
->fde
);
1375 if (bsds
->fde
== NULL
) {
1376 bsds
->fde
= tevent_add_fd(ev
, bsds
,
1377 bsds
->fd
, TEVENT_FD_WRITE
,
1378 tstream_bsd_fde_handler
,
1384 /* cache the event context we're running on */
1385 bsds
->event_ptr
= ev
;
1386 } else if (!bsds
->writeable_handler
) {
1387 TEVENT_FD_WRITEABLE(bsds
->fde
);
1390 bsds
->writeable_handler
= handler
;
1391 bsds
->writeable_private
= private_data
;
1396 static ssize_t
tstream_bsd_pending_bytes(struct tstream_context
*stream
)
1398 struct tstream_bsd
*bsds
= tstream_context_data(stream
,
1399 struct tstream_bsd
);
1402 if (bsds
->fd
== -1) {
1407 ret
= tsocket_bsd_pending(bsds
->fd
);
1412 struct tstream_bsd_readv_state
{
1413 struct tstream_context
*stream
;
1415 struct iovec
*vector
;
1421 static int tstream_bsd_readv_destructor(struct tstream_bsd_readv_state
*state
)
1423 struct tstream_bsd
*bsds
= tstream_context_data(state
->stream
,
1424 struct tstream_bsd
);
1426 tstream_bsd_set_readable_handler(bsds
, NULL
, NULL
, NULL
);
1431 static void tstream_bsd_readv_handler(void *private_data
);
1433 static struct tevent_req
*tstream_bsd_readv_send(TALLOC_CTX
*mem_ctx
,
1434 struct tevent_context
*ev
,
1435 struct tstream_context
*stream
,
1436 struct iovec
*vector
,
1439 struct tevent_req
*req
;
1440 struct tstream_bsd_readv_state
*state
;
1441 struct tstream_bsd
*bsds
= tstream_context_data(stream
, struct tstream_bsd
);
1444 req
= tevent_req_create(mem_ctx
, &state
,
1445 struct tstream_bsd_readv_state
);
1450 state
->stream
= stream
;
1451 /* we make a copy of the vector so that we can modify it */
1452 state
->vector
= talloc_array(state
, struct iovec
, count
);
1453 if (tevent_req_nomem(state
->vector
, req
)) {
1456 memcpy(state
->vector
, vector
, sizeof(struct iovec
)*count
);
1457 state
->count
= count
;
1460 talloc_set_destructor(state
, tstream_bsd_readv_destructor
);
1462 if (bsds
->fd
== -1) {
1463 tevent_req_error(req
, ENOTCONN
);
1468 * this is a fast path, not waiting for the
1469 * socket to become explicit readable gains
1470 * about 10%-20% performance in benchmark tests.
1472 tstream_bsd_readv_handler(req
);
1473 if (!tevent_req_is_in_progress(req
)) {
1477 ret
= tstream_bsd_set_readable_handler(bsds
, ev
,
1478 tstream_bsd_readv_handler
,
1481 tevent_req_error(req
, errno
);
1488 tevent_req_post(req
, ev
);
1492 static void tstream_bsd_readv_handler(void *private_data
)
1494 struct tevent_req
*req
= talloc_get_type_abort(private_data
,
1496 struct tstream_bsd_readv_state
*state
= tevent_req_data(req
,
1497 struct tstream_bsd_readv_state
);
1498 struct tstream_context
*stream
= state
->stream
;
1499 struct tstream_bsd
*bsds
= tstream_context_data(stream
, struct tstream_bsd
);
1504 ret
= readv(bsds
->fd
, state
->vector
, state
->count
);
1506 /* propagate end of file */
1507 tevent_req_error(req
, EPIPE
);
1510 err
= tsocket_bsd_error_from_errno(ret
, errno
, &retry
);
1515 if (tevent_req_error(req
, err
)) {
1522 if (ret
< state
->vector
[0].iov_len
) {
1524 base
= (uint8_t *)state
->vector
[0].iov_base
;
1526 state
->vector
[0].iov_base
= base
;
1527 state
->vector
[0].iov_len
-= ret
;
1530 ret
-= state
->vector
[0].iov_len
;
1535 if (state
->count
> 0) {
1536 /* we have more to read */
1540 tevent_req_done(req
);
1543 static int tstream_bsd_readv_recv(struct tevent_req
*req
,
1546 struct tstream_bsd_readv_state
*state
= tevent_req_data(req
,
1547 struct tstream_bsd_readv_state
);
1550 ret
= tsocket_simple_int_recv(req
, perrno
);
1555 tevent_req_received(req
);
1559 struct tstream_bsd_writev_state
{
1560 struct tstream_context
*stream
;
1562 struct iovec
*vector
;
1568 static int tstream_bsd_writev_destructor(struct tstream_bsd_writev_state
*state
)
1570 struct tstream_bsd
*bsds
= tstream_context_data(state
->stream
,
1571 struct tstream_bsd
);
1573 tstream_bsd_set_writeable_handler(bsds
, NULL
, NULL
, NULL
);
1578 static void tstream_bsd_writev_handler(void *private_data
);
1580 static struct tevent_req
*tstream_bsd_writev_send(TALLOC_CTX
*mem_ctx
,
1581 struct tevent_context
*ev
,
1582 struct tstream_context
*stream
,
1583 const struct iovec
*vector
,
1586 struct tevent_req
*req
;
1587 struct tstream_bsd_writev_state
*state
;
1588 struct tstream_bsd
*bsds
= tstream_context_data(stream
, struct tstream_bsd
);
1591 req
= tevent_req_create(mem_ctx
, &state
,
1592 struct tstream_bsd_writev_state
);
1597 state
->stream
= stream
;
1598 /* we make a copy of the vector so that we can modify it */
1599 state
->vector
= talloc_array(state
, struct iovec
, count
);
1600 if (tevent_req_nomem(state
->vector
, req
)) {
1603 memcpy(state
->vector
, vector
, sizeof(struct iovec
)*count
);
1604 state
->count
= count
;
1607 talloc_set_destructor(state
, tstream_bsd_writev_destructor
);
1609 if (bsds
->fd
== -1) {
1610 tevent_req_error(req
, ENOTCONN
);
1615 * this is a fast path, not waiting for the
1616 * socket to become explicit writeable gains
1617 * about 10%-20% performance in benchmark tests.
1619 tstream_bsd_writev_handler(req
);
1620 if (!tevent_req_is_in_progress(req
)) {
1624 ret
= tstream_bsd_set_writeable_handler(bsds
, ev
,
1625 tstream_bsd_writev_handler
,
1628 tevent_req_error(req
, errno
);
1635 tevent_req_post(req
, ev
);
1639 static void tstream_bsd_writev_handler(void *private_data
)
1641 struct tevent_req
*req
= talloc_get_type_abort(private_data
,
1643 struct tstream_bsd_writev_state
*state
= tevent_req_data(req
,
1644 struct tstream_bsd_writev_state
);
1645 struct tstream_context
*stream
= state
->stream
;
1646 struct tstream_bsd
*bsds
= tstream_context_data(stream
, struct tstream_bsd
);
1651 ret
= writev(bsds
->fd
, state
->vector
, state
->count
);
1653 /* propagate end of file */
1654 tevent_req_error(req
, EPIPE
);
1657 err
= tsocket_bsd_error_from_errno(ret
, errno
, &retry
);
1662 if (tevent_req_error(req
, err
)) {
1669 if (ret
< state
->vector
[0].iov_len
) {
1671 base
= (uint8_t *)state
->vector
[0].iov_base
;
1673 state
->vector
[0].iov_base
= base
;
1674 state
->vector
[0].iov_len
-= ret
;
1677 ret
-= state
->vector
[0].iov_len
;
1682 if (state
->count
> 0) {
1683 /* we have more to read */
1687 tevent_req_done(req
);
1690 static int tstream_bsd_writev_recv(struct tevent_req
*req
, int *perrno
)
1692 struct tstream_bsd_writev_state
*state
= tevent_req_data(req
,
1693 struct tstream_bsd_writev_state
);
1696 ret
= tsocket_simple_int_recv(req
, perrno
);
1701 tevent_req_received(req
);
1705 struct tstream_bsd_disconnect_state
{
1709 static struct tevent_req
*tstream_bsd_disconnect_send(TALLOC_CTX
*mem_ctx
,
1710 struct tevent_context
*ev
,
1711 struct tstream_context
*stream
)
1713 struct tstream_bsd
*bsds
= tstream_context_data(stream
, struct tstream_bsd
);
1714 struct tevent_req
*req
;
1715 struct tstream_bsd_disconnect_state
*state
;
1720 req
= tevent_req_create(mem_ctx
, &state
,
1721 struct tstream_bsd_disconnect_state
);
1726 if (bsds
->fd
== -1) {
1727 tevent_req_error(req
, ENOTCONN
);
1731 ret
= close(bsds
->fd
);
1733 err
= tsocket_bsd_error_from_errno(ret
, errno
, &dummy
);
1734 if (tevent_req_error(req
, err
)) {
1738 tevent_req_done(req
);
1740 tevent_req_post(req
, ev
);
1744 static int tstream_bsd_disconnect_recv(struct tevent_req
*req
,
1749 ret
= tsocket_simple_int_recv(req
, perrno
);
1751 tevent_req_received(req
);
1755 static const struct tstream_context_ops tstream_bsd_ops
= {
1758 .pending_bytes
= tstream_bsd_pending_bytes
,
1760 .readv_send
= tstream_bsd_readv_send
,
1761 .readv_recv
= tstream_bsd_readv_recv
,
1763 .writev_send
= tstream_bsd_writev_send
,
1764 .writev_recv
= tstream_bsd_writev_recv
,
1766 .disconnect_send
= tstream_bsd_disconnect_send
,
1767 .disconnect_recv
= tstream_bsd_disconnect_recv
,
1770 static int tstream_bsd_destructor(struct tstream_bsd
*bsds
)
1772 TALLOC_FREE(bsds
->fde
);
1773 if (bsds
->fd
!= -1) {
1780 int _tstream_bsd_existing_socket(TALLOC_CTX
*mem_ctx
,
1782 struct tstream_context
**_stream
,
1783 const char *location
)
1785 struct tstream_context
*stream
;
1786 struct tstream_bsd
*bsds
;
1788 stream
= tstream_context_create(mem_ctx
,
1798 talloc_set_destructor(bsds
, tstream_bsd_destructor
);
1804 struct tstream_bsd_connect_state
{
1806 struct tevent_fd
*fde
;
1807 struct tstream_conext
*stream
;
1810 static int tstream_bsd_connect_destructor(struct tstream_bsd_connect_state
*state
)
1812 TALLOC_FREE(state
->fde
);
1813 if (state
->fd
!= -1) {
1821 static void tstream_bsd_connect_fde_handler(struct tevent_context
*ev
,
1822 struct tevent_fd
*fde
,
1824 void *private_data
);
1826 static struct tevent_req
* tstream_bsd_connect_send(TALLOC_CTX
*mem_ctx
,
1827 struct tevent_context
*ev
,
1829 const struct tsocket_address
*local
,
1830 const struct tsocket_address
*remote
)
1832 struct tevent_req
*req
;
1833 struct tstream_bsd_connect_state
*state
;
1834 struct tsocket_address_bsd
*lbsda
=
1835 talloc_get_type_abort(local
->private_data
,
1836 struct tsocket_address_bsd
);
1837 struct tsocket_address_bsd
*rbsda
=
1838 talloc_get_type_abort(remote
->private_data
,
1839 struct tsocket_address_bsd
);
1843 bool do_bind
= false;
1844 bool do_reuseaddr
= false;
1845 socklen_t sa_len
= sizeof(rbsda
->u
.ss
);
1847 req
= tevent_req_create(mem_ctx
, &state
,
1848 struct tstream_bsd_connect_state
);
1855 talloc_set_destructor(state
, tstream_bsd_connect_destructor
);
1857 /* give the wrappers a chance to report an error */
1858 if (sys_errno
!= 0) {
1859 tevent_req_error(req
, sys_errno
);
1863 switch (lbsda
->u
.sa
.sa_family
) {
1865 if (lbsda
->u
.un
.sun_path
[0] != 0) {
1866 do_reuseaddr
= true;
1870 * for unix sockets we can't use the size of sockaddr_storage
1871 * we would get EINVAL
1873 sa_len
= sizeof(rbsda
->u
.un
);
1876 if (lbsda
->u
.in
.sin_port
!= 0) {
1877 do_reuseaddr
= true;
1880 if (lbsda
->u
.in
.sin_addr
.s_addr
== INADDR_ANY
) {
1886 if (lbsda
->u
.in6
.sin6_port
!= 0) {
1887 do_reuseaddr
= true;
1890 if (memcmp(&in6addr_any
,
1891 &lbsda
->u
.in6
.sin6_addr
,
1892 sizeof(in6addr_any
)) != 0) {
1898 tevent_req_error(req
, EINVAL
);
1902 state
->fd
= socket(lbsda
->u
.sa
.sa_family
, SOCK_STREAM
, 0);
1903 if (state
->fd
== -1) {
1904 tevent_req_error(req
, errno
);
1908 state
->fd
= tsocket_bsd_common_prepare_fd(state
->fd
, true);
1909 if (state
->fd
== -1) {
1910 tevent_req_error(req
, errno
);
1917 ret
= setsockopt(state
->fd
, SOL_SOCKET
, SO_REUSEADDR
,
1918 (const void *)&val
, sizeof(val
));
1920 tevent_req_error(req
, errno
);
1926 ret
= bind(state
->fd
, &lbsda
->u
.sa
, sizeof(lbsda
->u
.ss
));
1928 tevent_req_error(req
, errno
);
1933 ret
= connect(state
->fd
, &rbsda
->u
.sa
, sa_len
);
1934 err
= tsocket_bsd_error_from_errno(ret
, errno
, &retry
);
1939 if (tevent_req_error(req
, err
)) {
1943 tevent_req_done(req
);
1947 state
->fde
= tevent_add_fd(ev
, state
,
1949 TEVENT_FD_READ
| TEVENT_FD_WRITE
,
1950 tstream_bsd_connect_fde_handler
,
1952 if (tevent_req_nomem(state
->fde
, req
)) {
1959 tevent_req_post(req
, ev
);
1963 static void tstream_bsd_connect_fde_handler(struct tevent_context
*ev
,
1964 struct tevent_fd
*fde
,
1968 struct tevent_req
*req
= talloc_get_type_abort(private_data
,
1970 struct tstream_bsd_connect_state
*state
= tevent_req_data(req
,
1971 struct tstream_bsd_connect_state
);
1974 socklen_t len
= sizeof(error
);
1978 ret
= getsockopt(state
->fd
, SOL_SOCKET
, SO_ERROR
, &error
, &len
);
1985 err
= tsocket_bsd_error_from_errno(ret
, errno
, &retry
);
1990 if (tevent_req_error(req
, err
)) {
1994 tevent_req_done(req
);
1997 static int tstream_bsd_connect_recv(struct tevent_req
*req
,
1999 TALLOC_CTX
*mem_ctx
,
2000 struct tstream_context
**stream
,
2001 const char *location
)
2003 struct tstream_bsd_connect_state
*state
= tevent_req_data(req
,
2004 struct tstream_bsd_connect_state
);
2007 ret
= tsocket_simple_int_recv(req
, perrno
);
2009 ret
= _tstream_bsd_existing_socket(mem_ctx
,
2017 TALLOC_FREE(state
->fde
);
2022 tevent_req_received(req
);
2026 struct tevent_req
* tstream_inet_tcp_connect_send(TALLOC_CTX
*mem_ctx
,
2027 struct tevent_context
*ev
,
2028 const struct tsocket_address
*local
,
2029 const struct tsocket_address
*remote
)
2031 struct tsocket_address_bsd
*lbsda
=
2032 talloc_get_type_abort(local
->private_data
,
2033 struct tsocket_address_bsd
);
2034 struct tevent_req
*req
;
2037 switch (lbsda
->u
.sa
.sa_family
) {
2049 req
= tstream_bsd_connect_send(mem_ctx
, ev
, sys_errno
, local
, remote
);
2054 int _tstream_inet_tcp_connect_recv(struct tevent_req
*req
,
2056 TALLOC_CTX
*mem_ctx
,
2057 struct tstream_context
**stream
,
2058 const char *location
)
2060 return tstream_bsd_connect_recv(req
, perrno
, mem_ctx
, stream
, location
);
2063 struct tevent_req
* tstream_unix_connect_send(TALLOC_CTX
*mem_ctx
,
2064 struct tevent_context
*ev
,
2065 const struct tsocket_address
*local
,
2066 const struct tsocket_address
*remote
)
2068 struct tsocket_address_bsd
*lbsda
=
2069 talloc_get_type_abort(local
->private_data
,
2070 struct tsocket_address_bsd
);
2071 struct tevent_req
*req
;
2074 switch (lbsda
->u
.sa
.sa_family
) {
2082 req
= tstream_bsd_connect_send(mem_ctx
, ev
, sys_errno
, local
, remote
);
2087 int _tstream_unix_connect_recv(struct tevent_req
*req
,
2089 TALLOC_CTX
*mem_ctx
,
2090 struct tstream_context
**stream
,
2091 const char *location
)
2093 return tstream_bsd_connect_recv(req
, perrno
, mem_ctx
, stream
, location
);
2096 int _tstream_unix_socketpair(TALLOC_CTX
*mem_ctx1
,
2097 struct tstream_context
**_stream1
,
2098 TALLOC_CTX
*mem_ctx2
,
2099 struct tstream_context
**_stream2
,
2100 const char *location
)
2106 struct tstream_context
*stream1
= NULL
;
2107 struct tstream_context
*stream2
= NULL
;
2109 ret
= socketpair(AF_UNIX
, SOCK_STREAM
, 0, fds
);
2116 fd1
= tsocket_bsd_common_prepare_fd(fd1
, true);
2118 int sys_errno
= errno
;
2124 fd2
= tsocket_bsd_common_prepare_fd(fd2
, true);
2126 int sys_errno
= errno
;
2132 ret
= _tstream_bsd_existing_socket(mem_ctx1
,
2137 int sys_errno
= errno
;
2144 ret
= _tstream_bsd_existing_socket(mem_ctx2
,
2149 int sys_errno
= errno
;
2150 talloc_free(stream1
);
2156 *_stream1
= stream1
;
2157 *_stream2
= stream2
;