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swrap: Fix type punning warnings.
Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Andreas Schneider
Andreas Schneider
parent
95c9917c86
commit
2be25abcb1
@ -210,6 +210,19 @@ enum swrap_dbglvl_e {
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* without changing the format above */
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#define MAX_WRAPPED_INTERFACES 40
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struct swrap_address {
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socklen_t sa_socklen;
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union {
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struct sockaddr s;
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struct sockaddr_in in;
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#ifdef HAVE_IPV6
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struct sockaddr_in6 in6;
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#endif
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struct sockaddr_un un;
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struct sockaddr_storage ss;
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} sa;
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};
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struct socket_info_fd {
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struct socket_info_fd *prev, *next;
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int fd;
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@ -2466,10 +2479,12 @@ static int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
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struct socket_info *parent_si, *child_si;
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struct socket_info_fd *child_fi;
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int fd;
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struct sockaddr_un un_addr;
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socklen_t un_addrlen = sizeof(un_addr);
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struct sockaddr_un un_my_addr;
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socklen_t un_my_addrlen = sizeof(un_my_addr);
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struct swrap_address un_addr = {
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.sa_socklen = sizeof(struct sockaddr_un),
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};
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struct swrap_address un_my_addr = {
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.sa_socklen = sizeof(struct sockaddr_un),
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};
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struct sockaddr *my_addr;
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socklen_t my_addrlen, len;
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int ret;
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@ -2494,10 +2509,7 @@ static int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
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return -1;
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}
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memset(&un_addr, 0, sizeof(un_addr));
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memset(&un_my_addr, 0, sizeof(un_my_addr));
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ret = libc_accept(s, (struct sockaddr *)(void *)&un_addr, &un_addrlen);
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ret = libc_accept(s, &un_addr.sa.s, &un_addr.sa_socklen);
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if (ret == -1) {
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if (errno == ENOTSOCK) {
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/* Remove stale fds */
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@ -2510,8 +2522,12 @@ static int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
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fd = ret;
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len = my_addrlen;
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ret = sockaddr_convert_from_un(parent_si, &un_addr, un_addrlen,
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parent_si->family, my_addr, &len);
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ret = sockaddr_convert_from_un(parent_si,
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&un_addr.sa.un,
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un_addr.sa_socklen,
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parent_si->family,
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my_addr,
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&len);
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if (ret == -1) {
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free(my_addr);
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close(fd);
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@ -2553,8 +2569,8 @@ static int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
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}
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ret = libc_getsockname(fd,
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(struct sockaddr *)(void *)&un_my_addr,
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&un_my_addrlen);
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&un_my_addr.sa.s,
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&un_my_addr.sa_socklen);
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if (ret == -1) {
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free(child_fi);
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free(child_si);
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@ -2564,8 +2580,12 @@ static int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
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}
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len = my_addrlen;
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ret = sockaddr_convert_from_un(child_si, &un_my_addr, un_my_addrlen,
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child_si->family, my_addr, &len);
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ret = sockaddr_convert_from_un(child_si,
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&un_my_addr.sa.un,
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un_my_addr.sa_socklen,
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child_si->family,
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my_addr,
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&len);
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if (ret == -1) {
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free(child_fi);
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free(child_si);
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@ -2576,7 +2596,7 @@ static int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
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SWRAP_LOG(SWRAP_LOG_TRACE,
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"accept() path=%s, fd=%d",
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un_my_addr.sun_path, s);
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un_my_addr.sa.un.sun_path, s);
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child_si->myname_len = len;
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child_si->myname = sockaddr_dup(my_addr, len);
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@ -2613,7 +2633,9 @@ static int autobind_start;
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*/
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static int swrap_auto_bind(int fd, struct socket_info *si, int family)
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{
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struct sockaddr_un un_addr;
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struct swrap_address un_addr = {
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.sa_socklen = sizeof(struct sockaddr_un),
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};
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int i;
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char type;
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int ret;
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@ -2627,7 +2649,7 @@ static int swrap_auto_bind(int fd, struct socket_info *si, int family)
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autobind_start += 10000;
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}
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un_addr.sun_family = AF_UNIX;
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un_addr.sa.un.sun_family = AF_UNIX;
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switch (family) {
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case AF_INET: {
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@ -2697,16 +2719,15 @@ static int swrap_auto_bind(int fd, struct socket_info *si, int family)
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for (i = 0; i < SOCKET_MAX_SOCKETS; i++) {
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port = autobind_start + i;
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snprintf(un_addr.sun_path, sizeof(un_addr.sun_path),
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snprintf(un_addr.sa.un.sun_path, un_addr.sa_socklen,
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"%s/"SOCKET_FORMAT, socket_wrapper_dir(),
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type, socket_wrapper_default_iface(), port);
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if (stat(un_addr.sun_path, &st) == 0) continue;
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if (stat(un_addr.sa.un.sun_path, &st) == 0) continue;
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ret = libc_bind(fd, (struct sockaddr *)(void *)&un_addr,
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sizeof(un_addr));
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ret = libc_bind(fd, &un_addr.sa.s, un_addr.sa_socklen);
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if (ret == -1) return ret;
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si->tmp_path = strdup(un_addr.sun_path);
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si->tmp_path = strdup(un_addr.sa.un.sun_path);
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si->bound = 1;
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autobind_start = port + 1;
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break;
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@ -2736,7 +2757,9 @@ static int swrap_connect(int s, const struct sockaddr *serv_addr,
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socklen_t addrlen)
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{
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int ret;
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struct sockaddr_un un_addr;
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struct swrap_address un_addr = {
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.sa_socklen = sizeof(struct sockaddr_un),
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};
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struct socket_info *si = find_socket_info(s);
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int bcast = 0;
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@ -2755,7 +2778,7 @@ static int swrap_connect(int s, const struct sockaddr *serv_addr,
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}
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ret = sockaddr_convert_to_un(si, serv_addr,
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addrlen, &un_addr, 0, &bcast);
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addrlen, &un_addr.sa.un, 0, &bcast);
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if (ret == -1) return -1;
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if (bcast) {
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@ -2770,13 +2793,13 @@ static int swrap_connect(int s, const struct sockaddr *serv_addr,
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swrap_dump_packet(si, serv_addr, SWRAP_CONNECT_SEND, NULL, 0);
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ret = libc_connect(s,
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(struct sockaddr *)(void *)&un_addr,
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sizeof(struct sockaddr_un));
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&un_addr.sa.s,
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un_addr.sa_socklen);
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}
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SWRAP_LOG(SWRAP_LOG_TRACE,
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"connect() path=%s, fd=%d",
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un_addr.sun_path, s);
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un_addr.un.sun_path, s);
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/* to give better errors */
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@ -2827,7 +2850,9 @@ int connect(int s, const struct sockaddr *serv_addr, socklen_t addrlen)
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static int swrap_bind(int s, const struct sockaddr *myaddr, socklen_t addrlen)
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{
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int ret;
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struct sockaddr_un un_addr;
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struct swrap_address un_addr = {
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.sa_socklen = sizeof(struct sockaddr_un),
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};
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struct socket_info *si = find_socket_info(s);
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int bind_error = 0;
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#if 0 /* FIXME */
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@ -2900,17 +2925,21 @@ static int swrap_bind(int s, const struct sockaddr *myaddr, socklen_t addrlen)
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si->myname_len = addrlen;
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si->myname = sockaddr_dup(myaddr, addrlen);
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ret = sockaddr_convert_to_un(si, myaddr, addrlen, &un_addr, 1, &si->bcast);
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ret = sockaddr_convert_to_un(si,
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myaddr,
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addrlen,
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&un_addr.sa.un,
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1,
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&si->bcast);
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if (ret == -1) return -1;
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unlink(un_addr.sun_path);
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unlink(un_addr.sa.un.sun_path);
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ret = libc_bind(s, (struct sockaddr *)(void *)&un_addr,
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sizeof(struct sockaddr_un));
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ret = libc_bind(s, &un_addr.sa.s, un_addr.sa_socklen);
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SWRAP_LOG(SWRAP_LOG_TRACE,
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"bind() path=%s, fd=%d",
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un_addr.sun_path, s);
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un_addr.sa_un.sun_path, s);
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if (ret == 0) {
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si->bound = 1;
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@ -2933,7 +2962,9 @@ static int swrap_getsockname(int s, struct sockaddr *name, socklen_t *addrlen);
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static int swrap_bindresvport_sa(int sd, struct sockaddr *sa)
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{
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struct sockaddr_storage myaddr;
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struct swrap_address myaddr = {
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.sa_socklen = sizeof(struct sockaddr_storage),
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};
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socklen_t salen;
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static uint16_t port;
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uint16_t i;
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@ -2949,16 +2980,16 @@ static int swrap_bindresvport_sa(int sd, struct sockaddr *sa)
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}
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if (sa == NULL) {
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salen = sizeof(struct sockaddr);
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sa = (struct sockaddr *)&myaddr;
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salen = myaddr.sa_socklen;
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sa = &myaddr.sa.s;
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rc = swrap_getsockname(sd, (struct sockaddr *)&myaddr, &salen);
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rc = swrap_getsockname(sd, &myaddr.sa.s, &salen);
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if (rc < 0) {
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return -1;
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}
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af = sa->sa_family;
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memset(&myaddr, 0, salen);
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memset(&myaddr.sa.ss, 0, salen);
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} else {
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af = sa->sa_family;
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}
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@ -2966,7 +2997,7 @@ static int swrap_bindresvport_sa(int sd, struct sockaddr *sa)
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for (i = 0; i < SWRAP_NPORTS; i++, port++) {
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switch(af) {
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case AF_INET: {
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struct sockaddr_in *sinp = (struct sockaddr_in *)sa;
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struct sockaddr_in *sinp = (struct sockaddr_in *)(void *)sa;
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salen = sizeof(struct sockaddr_in);
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sinp->sin_port = htons(port);
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@ -3368,7 +3399,8 @@ static void swrap_msghdr_add_cmsghdr(struct msghdr *msg,
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size_t cmlen = CMSG_LEN(len);
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size_t cmspace = CMSG_SPACE(len);
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uint8_t cmbuf[cmspace];
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struct cmsghdr *cm = (struct cmsghdr *)cmbuf;
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void *cast_ptr = (void *)cmbuf;
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struct cmsghdr *cm = (struct cmsghdr *)cast_ptr;
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uint8_t *p;
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memset(cmbuf, 0, cmspace);
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@ -4025,12 +4057,14 @@ done:
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static ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags,
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struct sockaddr *from, socklen_t *fromlen)
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{
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struct sockaddr_un from_addr;
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socklen_t from_addrlen = sizeof(from_addr);
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struct swrap_address from_addr = {
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.sa_socklen = sizeof(struct sockaddr_un),
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};
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ssize_t ret;
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struct socket_info *si = find_socket_info(s);
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struct sockaddr_storage ss;
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socklen_t ss_len = sizeof(ss);
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struct swrap_address saddr = {
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.sa_socklen = sizeof(struct sockaddr_storage),
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};
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struct msghdr msg;
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struct iovec tmp;
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int tret;
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@ -4052,8 +4086,8 @@ static ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags,
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msg.msg_name = from; /* optional address */
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msg.msg_namelen = *fromlen; /* size of address */
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} else {
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msg.msg_name = (struct sockaddr *)(void *)&ss; /* optional address */
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msg.msg_namelen = ss_len; /* size of address */
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msg.msg_name = &saddr.sa.s; /* optional address */
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msg.msg_namelen = saddr.sa_socklen; /* size of address */
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}
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msg.msg_iov = &tmp; /* scatter/gather array */
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msg.msg_iovlen = 1; /* # elements in msg_iov */
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@ -4071,14 +4105,12 @@ static ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags,
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buf = msg.msg_iov[0].iov_base;
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len = msg.msg_iov[0].iov_len;
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/* irix 6.4 forgets to null terminate the sun_path string :-( */
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memset(&from_addr, 0, sizeof(from_addr));
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ret = libc_recvfrom(s,
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buf,
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len,
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flags,
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(struct sockaddr *)(void *)&from_addr,
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&from_addrlen);
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&from_addr.sa.s,
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&from_addr.sa_socklen);
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if (ret == -1) {
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return ret;
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}
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@ -4086,8 +4118,8 @@ static ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags,
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tret = swrap_recvmsg_after(s,
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si,
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&msg,
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&from_addr,
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from_addrlen,
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&from_addr.sa.un,
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from_addr.sa_socklen,
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ret);
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if (tret != 0) {
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return tret;
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@ -4120,7 +4152,9 @@ static ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags,
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{
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struct msghdr msg;
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struct iovec tmp;
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struct sockaddr_un un_addr;
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struct swrap_address un_addr = {
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.sa_socklen = sizeof(struct sockaddr_un),
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};
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const struct sockaddr_un *to_un = NULL;
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ssize_t ret;
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int rc;
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@ -4145,7 +4179,14 @@ static ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags,
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msg.msg_flags = 0; /* flags on received message */
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#endif
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rc = swrap_sendmsg_before(s, si, &msg, &tmp, &un_addr, &to_un, &to, &bcast);
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rc = swrap_sendmsg_before(s,
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si,
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&msg,
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&tmp,
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&un_addr.sa.un,
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&to_un,
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&to,
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&bcast);
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if (rc < 0) {
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return -1;
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}
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@ -4162,17 +4203,19 @@ static ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags,
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type = SOCKET_TYPE_CHAR_UDP;
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for(iface=0; iface <= MAX_WRAPPED_INTERFACES; iface++) {
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snprintf(un_addr.sun_path, sizeof(un_addr.sun_path), "%s/"SOCKET_FORMAT,
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snprintf(un_addr.sa.un.sun_path,
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sizeof(un_addr.sa.un.sun_path),
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"%s/"SOCKET_FORMAT,
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socket_wrapper_dir(), type, iface, prt);
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if (stat(un_addr.sun_path, &st) != 0) continue;
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if (stat(un_addr.sa.un.sun_path, &st) != 0) continue;
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/* ignore the any errors in broadcast sends */
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libc_sendto(s,
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buf,
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len,
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flags,
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(struct sockaddr *)(void *)&un_addr,
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sizeof(un_addr));
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&un_addr.sa.s,
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un_addr.sa_socklen);
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}
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swrap_dump_packet(si, to, SWRAP_SENDTO, buf, len);
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@ -4206,8 +4249,9 @@ static ssize_t swrap_recv(int s, void *buf, size_t len, int flags)
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{
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struct socket_info *si;
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struct msghdr msg;
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struct sockaddr_storage ss;
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socklen_t ss_len = sizeof(ss);
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struct swrap_address saddr = {
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.sa_socklen = sizeof(struct sockaddr_storage),
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};
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struct iovec tmp;
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ssize_t ret;
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int tret;
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@ -4221,8 +4265,8 @@ static ssize_t swrap_recv(int s, void *buf, size_t len, int flags)
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tmp.iov_len = len;
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ZERO_STRUCT(msg);
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msg.msg_name = (struct sockaddr *)(void *)&ss; /* optional address */
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msg.msg_namelen = ss_len; /* size of address */
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msg.msg_name = &saddr.sa.s; /* optional address */
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msg.msg_namelen = saddr.sa_socklen; /* size of address */
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msg.msg_iov = &tmp; /* scatter/gather array */
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msg.msg_iovlen = 1; /* # elements in msg_iov */
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#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
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@ -4263,8 +4307,9 @@ static ssize_t swrap_read(int s, void *buf, size_t len)
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struct socket_info *si;
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struct msghdr msg;
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struct iovec tmp;
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struct sockaddr_storage ss;
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socklen_t ss_len = sizeof(ss);
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struct swrap_address saddr = {
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.sa_socklen = sizeof(struct sockaddr_storage),
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};
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ssize_t ret;
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int tret;
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@ -4277,8 +4322,8 @@ static ssize_t swrap_read(int s, void *buf, size_t len)
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tmp.iov_len = len;
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|
||||
ZERO_STRUCT(msg);
|
||||
msg.msg_name = (struct sockaddr *)(void *)&ss; /* optional address */
|
||||
msg.msg_namelen = ss_len; /* size of address */
|
||||
msg.msg_name = &saddr.sa.ss; /* optional address */
|
||||
msg.msg_namelen = saddr.sa_socklen; /* size of address */
|
||||
msg.msg_iov = &tmp; /* scatter/gather array */
|
||||
msg.msg_iovlen = 1; /* # elements in msg_iov */
|
||||
#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
|
||||
@ -4370,8 +4415,9 @@ ssize_t send(int s, const void *buf, size_t len, int flags)
|
||||
|
||||
static ssize_t swrap_recvmsg(int s, struct msghdr *omsg, int flags)
|
||||
{
|
||||
struct sockaddr_un from_addr;
|
||||
socklen_t from_addrlen = sizeof(from_addr);
|
||||
struct swrap_address from_addr = {
|
||||
.sa_socklen = sizeof(struct sockaddr_un),
|
||||
};
|
||||
struct socket_info *si;
|
||||
struct msghdr msg;
|
||||
struct iovec tmp;
|
||||
@ -4392,8 +4438,8 @@ static ssize_t swrap_recvmsg(int s, struct msghdr *omsg, int flags)
|
||||
tmp.iov_len = 0;
|
||||
|
||||
ZERO_STRUCT(msg);
|
||||
msg.msg_name = (struct sockaddr *)&from_addr; /* optional address */
|
||||
msg.msg_namelen = from_addrlen; /* size of address */
|
||||
msg.msg_name = &from_addr.sa; /* optional address */
|
||||
msg.msg_namelen = from_addr.sa_socklen; /* size of address */
|
||||
msg.msg_iov = omsg->msg_iov; /* scatter/gather array */
|
||||
msg.msg_iovlen = omsg->msg_iovlen; /* # elements in msg_iov */
|
||||
#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
|
||||
@ -4433,7 +4479,12 @@ static ssize_t swrap_recvmsg(int s, struct msghdr *omsg, int flags)
|
||||
}
|
||||
#endif
|
||||
|
||||
rc = swrap_recvmsg_after(s, si, &msg, &from_addr, from_addrlen, ret);
|
||||
rc = swrap_recvmsg_after(s,
|
||||
si,
|
||||
&msg,
|
||||
&from_addr.sa.un,
|
||||
from_addr.sa_socklen,
|
||||
ret);
|
||||
if (rc != 0) {
|
||||
return rc;
|
||||
}
|
||||
@ -4581,8 +4632,9 @@ static ssize_t swrap_readv(int s, const struct iovec *vector, int count)
|
||||
struct socket_info *si;
|
||||
struct msghdr msg;
|
||||
struct iovec tmp;
|
||||
struct sockaddr_storage ss;
|
||||
socklen_t ss_len = sizeof(ss);
|
||||
struct swrap_address saddr = {
|
||||
.sa_socklen = sizeof(struct sockaddr_storage)
|
||||
};
|
||||
ssize_t ret;
|
||||
int rc;
|
||||
|
||||
@ -4595,8 +4647,8 @@ static ssize_t swrap_readv(int s, const struct iovec *vector, int count)
|
||||
tmp.iov_len = 0;
|
||||
|
||||
ZERO_STRUCT(msg);
|
||||
msg.msg_name = (struct sockaddr *)(void *)&ss; /* optional address */
|
||||
msg.msg_namelen = ss_len; /* size of address */
|
||||
msg.msg_name = &saddr.sa.s; /* optional address */
|
||||
msg.msg_namelen = saddr.sa_socklen; /* size of address */
|
||||
msg.msg_iov = discard_const_p(struct iovec, vector); /* scatter/gather array */
|
||||
msg.msg_iovlen = count; /* # elements in msg_iov */
|
||||
#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL
|
||||
|
||||
Loading…
Reference in New Issue
Block a user