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-rw-r--r--lib/tsocket/tsocket_bsd.c84
1 files changed, 16 insertions, 68 deletions
diff --git a/lib/tsocket/tsocket_bsd.c b/lib/tsocket/tsocket_bsd.c
index 1a7a4eed62..220924c715 100644
--- a/lib/tsocket/tsocket_bsd.c
+++ b/lib/tsocket/tsocket_bsd.c
@@ -190,6 +190,7 @@ static ssize_t tsocket_bsd_pending(int fd)
static const struct tsocket_address_ops tsocket_address_bsd_ops;
struct tsocket_address_bsd {
+ socklen_t sa_socklen;
union {
struct sockaddr sa;
struct sockaddr_in in;
@@ -261,6 +262,8 @@ int _tsocket_address_bsd_from_sockaddr(TALLOC_CTX *mem_ctx,
memcpy(&bsda->u.ss, sa, sa_socklen);
+ bsda->sa_socklen = sa_socklen;
+
*_addr = addr;
return 0;
}
@@ -271,42 +274,24 @@ ssize_t tsocket_address_bsd_sockaddr(const struct tsocket_address *addr,
{
struct tsocket_address_bsd *bsda = talloc_get_type(addr->private_data,
struct tsocket_address_bsd);
- ssize_t rlen = 0;
if (!bsda) {
errno = EINVAL;
return -1;
}
- switch (bsda->u.sa.sa_family) {
- case AF_UNIX:
- rlen = sizeof(struct sockaddr_un);
- break;
- case AF_INET:
- rlen = sizeof(struct sockaddr_in);
- break;
-#ifdef HAVE_IPV6
- case AF_INET6:
- rlen = sizeof(struct sockaddr_in6);
- break;
-#endif
- default:
- errno = EAFNOSUPPORT;
- return -1;
- }
-
- if (sa_socklen < rlen) {
+ if (sa_socklen < bsda->sa_socklen) {
errno = EINVAL;
return -1;
}
- if (sa_socklen > sizeof(struct sockaddr_storage)) {
+ if (sa_socklen > bsda->sa_socklen) {
memset(sa, 0, sa_socklen);
- sa_socklen = sizeof(struct sockaddr_storage);
+ sa_socklen = bsda->sa_socklen;
}
memcpy(sa, &bsda->u.ss, sa_socklen);
- return rlen;
+ return sa_socklen;
}
int _tsocket_address_inet_from_strings(TALLOC_CTX *mem_ctx,
@@ -588,7 +573,7 @@ static struct tsocket_address *tsocket_address_bsd_copy(const struct tsocket_add
ret = _tsocket_address_bsd_from_sockaddr(mem_ctx,
&bsda->u.sa,
- sizeof(bsda->u.ss),
+ bsda->sa_socklen,
&copy,
location);
if (ret != 0) {
@@ -827,8 +812,6 @@ static void tdgram_bsd_recvfrom_handler(void *private_data)
struct tdgram_bsd *bsds = tdgram_context_data(dgram, struct tdgram_bsd);
struct tsocket_address_bsd *bsda;
ssize_t ret;
- struct sockaddr *sa = NULL;
- socklen_t sa_socklen = 0;
int err;
bool retry;
@@ -862,18 +845,10 @@ static void tdgram_bsd_recvfrom_handler(void *private_data)
}
ZERO_STRUCTP(bsda);
+ bsda->sa_socklen = sizeof(bsda->u.ss);
- sa = &bsda->u.sa;
- sa_socklen = sizeof(bsda->u.ss);
- /*
- * for unix sockets we can't use the size of sockaddr_storage
- * we would get EINVAL
- */
- if (bsda->u.sa.sa_family == AF_UNIX) {
- sa_socklen = sizeof(bsda->u.un);
- }
-
- ret = recvfrom(bsds->fd, state->buf, state->len, 0, sa, &sa_socklen);
+ ret = recvfrom(bsds->fd, state->buf, state->len, 0,
+ &bsda->u.sa, &bsda->sa_socklen);
err = tsocket_bsd_error_from_errno(ret, errno, &retry);
if (retry) {
/* retry later */
@@ -1019,14 +994,7 @@ static void tdgram_bsd_sendto_handler(void *private_data)
struct tsocket_address_bsd);
sa = &bsda->u.sa;
- sa_socklen = sizeof(bsda->u.ss);
- /*
- * for unix sockets we can't use the size of sockaddr_storage
- * we would get EINVAL
- */
- if (bsda->u.sa.sa_family == AF_UNIX) {
- sa_socklen = sizeof(bsda->u.un);
- }
+ sa_socklen = bsda->sa_socklen;
}
ret = sendto(bsds->fd, state->buf, state->len, 0, sa, sa_socklen);
@@ -1152,7 +1120,6 @@ static int tdgram_bsd_dgram_socket(const struct tsocket_address *local,
bool do_ipv6only = false;
bool is_inet = false;
int sa_fam = lbsda->u.sa.sa_family;
- socklen_t sa_socklen = sizeof(lbsda->u.ss);
if (remote) {
rbsda = talloc_get_type_abort(remote->private_data,
@@ -1169,11 +1136,6 @@ static int tdgram_bsd_dgram_socket(const struct tsocket_address *local,
do_reuseaddr = true;
do_bind = true;
}
- /*
- * for unix sockets we can't use the size of sockaddr_storage
- * we would get EINVAL
- */
- sa_socklen = sizeof(lbsda->u.un);
break;
case AF_INET:
if (lbsda->u.in.sin_port != 0) {
@@ -1184,7 +1146,6 @@ static int tdgram_bsd_dgram_socket(const struct tsocket_address *local,
do_bind = true;
}
is_inet = true;
- sa_socklen = sizeof(rbsda->u.in);
break;
#ifdef HAVE_IPV6
case AF_INET6:
@@ -1198,7 +1159,6 @@ static int tdgram_bsd_dgram_socket(const struct tsocket_address *local,
do_bind = true;
}
is_inet = true;
- sa_socklen = sizeof(rbsda->u.in6);
do_ipv6only = true;
break;
#endif
@@ -1211,12 +1171,10 @@ static int tdgram_bsd_dgram_socket(const struct tsocket_address *local,
sa_fam = rbsda->u.sa.sa_family;
switch (sa_fam) {
case AF_INET:
- sa_socklen = sizeof(rbsda->u.in);
do_ipv6only = false;
break;
#ifdef HAVE_IPV6
case AF_INET6:
- sa_socklen = sizeof(rbsda->u.in6);
do_ipv6only = true;
break;
#endif
@@ -1290,7 +1248,7 @@ static int tdgram_bsd_dgram_socket(const struct tsocket_address *local,
}
if (do_bind) {
- ret = bind(fd, &lbsda->u.sa, sa_socklen);
+ ret = bind(fd, &lbsda->u.sa, lbsda->sa_socklen);
if (ret == -1) {
int saved_errno = errno;
talloc_free(dgram);
@@ -1306,7 +1264,7 @@ static int tdgram_bsd_dgram_socket(const struct tsocket_address *local,
return -1;
}
- ret = connect(fd, &rbsda->u.sa, sa_socklen);
+ ret = connect(fd, &rbsda->u.sa, rbsda->sa_socklen);
if (ret == -1) {
int saved_errno = errno;
talloc_free(dgram);
@@ -1999,7 +1957,6 @@ static struct tevent_req * tstream_bsd_connect_send(TALLOC_CTX *mem_ctx,
bool do_ipv6only = false;
bool is_inet = false;
int sa_fam = lbsda->u.sa.sa_family;
- socklen_t sa_socklen = sizeof(rbsda->u.ss);
req = tevent_req_create(mem_ctx, &state,
struct tstream_bsd_connect_state);
@@ -2023,11 +1980,6 @@ static struct tevent_req * tstream_bsd_connect_send(TALLOC_CTX *mem_ctx,
do_reuseaddr = true;
do_bind = true;
}
- /*
- * for unix sockets we can't use the size of sockaddr_storage
- * we would get EINVAL
- */
- sa_socklen = sizeof(rbsda->u.un);
break;
case AF_INET:
if (lbsda->u.in.sin_port != 0) {
@@ -2038,7 +1990,6 @@ static struct tevent_req * tstream_bsd_connect_send(TALLOC_CTX *mem_ctx,
do_bind = true;
}
is_inet = true;
- sa_socklen = sizeof(rbsda->u.in);
break;
#ifdef HAVE_IPV6
case AF_INET6:
@@ -2052,7 +2003,6 @@ static struct tevent_req * tstream_bsd_connect_send(TALLOC_CTX *mem_ctx,
do_bind = true;
}
is_inet = true;
- sa_socklen = sizeof(rbsda->u.in6);
do_ipv6only = true;
break;
#endif
@@ -2065,12 +2015,10 @@ static struct tevent_req * tstream_bsd_connect_send(TALLOC_CTX *mem_ctx,
sa_fam = rbsda->u.sa.sa_family;
switch (sa_fam) {
case AF_INET:
- sa_socklen = sizeof(rbsda->u.in);
do_ipv6only = false;
break;
#ifdef HAVE_IPV6
case AF_INET6:
- sa_socklen = sizeof(rbsda->u.in6);
do_ipv6only = true;
break;
#endif
@@ -2114,7 +2062,7 @@ static struct tevent_req * tstream_bsd_connect_send(TALLOC_CTX *mem_ctx,
}
if (do_bind) {
- ret = bind(state->fd, &lbsda->u.sa, sa_socklen);
+ ret = bind(state->fd, &lbsda->u.sa, lbsda->sa_socklen);
if (ret == -1) {
tevent_req_error(req, errno);
goto post;
@@ -2126,7 +2074,7 @@ static struct tevent_req * tstream_bsd_connect_send(TALLOC_CTX *mem_ctx,
goto post;
}
- ret = connect(state->fd, &rbsda->u.sa, sa_socklen);
+ ret = connect(state->fd, &rbsda->u.sa, rbsda->sa_socklen);
err = tsocket_bsd_error_from_errno(ret, errno, &retry);
if (retry) {
/* retry later */
generated by cgit (git 2.34.1) at 2024-11-22 07:25:41 +0000