aboutsummaryrefslogtreecommitdiffstats
path: root/src/charon/network/socket.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/charon/network/socket.c')
-rw-r--r--src/charon/network/socket.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/src/charon/network/socket.c b/src/charon/network/socket.c
index 97c88be79..ab276aedc 100644
--- a/src/charon/network/socket.c
+++ b/src/charon/network/socket.c
@@ -86,22 +86,22 @@ struct private_socket_t {
* public functions
*/
socket_t public;
-
+
/**
* IPv4 socket (500)
*/
int ipv4;
-
+
/**
* IPv4 socket for NATT (4500)
*/
int ipv4_natt;
-
+
/**
* IPv6 socket (500)
*/
int ipv6;
-
+
/**
* IPv6 socket for NATT (4500)
*/
@@ -122,9 +122,9 @@ static status_t receiver(private_socket_t *this, packet_t **packet)
fd_set rfds;
int max_fd = 0, selected = 0;
u_int16_t port = 0;
-
+
FD_ZERO(&rfds);
-
+
if (this->ipv4)
{
FD_SET(this->ipv4, &rfds);
@@ -142,7 +142,7 @@ static status_t receiver(private_socket_t *this, packet_t **packet)
FD_SET(this->ipv6_natt, &rfds);
}
max_fd = max(max(this->ipv4, this->ipv4_natt), max(this->ipv6, this->ipv6_natt));
-
+
DBG2(DBG_NET, "waiting for data on sockets");
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate);
if (select(max_fd + 1, &rfds, NULL, NULL, NULL) <= 0)
@@ -151,7 +151,7 @@ static status_t receiver(private_socket_t *this, packet_t **packet)
return FAILED;
}
pthread_setcancelstate(oldstate, NULL);
-
+
if (FD_ISSET(this->ipv4, &rfds))
{
port = IKEV2_UDP_PORT;
@@ -182,7 +182,7 @@ static status_t receiver(private_socket_t *this, packet_t **packet)
struct sockaddr_in in4;
struct sockaddr_in6 in6;
} src;
-
+
msg.msg_name = &src;
msg.msg_namelen = sizeof(src);
iov.iov_base = buffer;
@@ -199,14 +199,14 @@ static status_t receiver(private_socket_t *this, packet_t **packet)
return FAILED;
}
DBG3(DBG_NET, "received packet %b", buffer, bytes_read);
-
+
if (bytes_read < MARKER_LEN)
{
DBG3(DBG_NET, "received packet too short (%d bytes)",
bytes_read);
return FAILED;
}
-
+
/* read ancillary data to get destination address */
for (cmsgptr = CMSG_FIRSTHDR(&msg); cmsgptr != NULL;
cmsgptr = CMSG_NXTHDR(&msg, cmsgptr))
@@ -216,14 +216,14 @@ static status_t receiver(private_socket_t *this, packet_t **packet)
DBG1(DBG_NET, "error reading ancillary data");
return FAILED;
}
-
+
if (cmsgptr->cmsg_level == SOL_IPV6 &&
cmsgptr->cmsg_type == IPV6_PKTINFO)
{
struct in6_pktinfo *pktinfo;
pktinfo = (struct in6_pktinfo*)CMSG_DATA(cmsgptr);
struct sockaddr_in6 dst;
-
+
memset(&dst, 0, sizeof(dst));
memcpy(&dst.sin6_addr, &pktinfo->ipi6_addr, sizeof(dst.sin6_addr));
dst.sin6_family = AF_INET6;
@@ -252,7 +252,7 @@ static status_t receiver(private_socket_t *this, packet_t **packet)
#endif
memset(&dst, 0, sizeof(dst));
memcpy(&dst.sin_addr, addr, sizeof(dst.sin_addr));
-
+
dst.sin_family = AF_INET;
dst.sin_port = htons(port);
dest = host_create_from_sockaddr((sockaddr_t*)&dst);
@@ -268,13 +268,13 @@ static status_t receiver(private_socket_t *this, packet_t **packet)
return FAILED;
}
source = host_create_from_sockaddr((sockaddr_t*)&src);
-
+
pkt = packet_create();
pkt->set_source(pkt, source);
pkt->set_destination(pkt, dest);
DBG2(DBG_NET, "received packet: from %#H to %#H", source, dest);
data_offset = 0;
- /* remove non esp marker */
+ /* remove non esp marker */
if (dest->get_port(dest) == IKEV2_NATT_PORT)
{
data_offset += MARKER_LEN;
@@ -307,13 +307,13 @@ status_t sender(private_socket_t *this, packet_t *packet)
struct msghdr msg;
struct cmsghdr *cmsg;
struct iovec iov;
-
+
src = packet->get_source(packet);
dst = packet->get_destination(packet);
data = packet->get_data(packet);
DBG2(DBG_NET, "sending packet: from %#H to %#H", src, dst);
-
+
/* send data */
sport = src->get_port(src);
family = dst->get_family(dst);
@@ -361,7 +361,7 @@ status_t sender(private_socket_t *this, packet_t *packet)
DBG1(DBG_NET, "unable to locate a send socket for port %d", sport);
return FAILED;
}
-
+
memset(&msg, 0, sizeof(struct msghdr));
msg.msg_name = dst->get_sockaddr(dst);;
msg.msg_namelen = *dst->get_sockaddr_len(dst);
@@ -370,7 +370,7 @@ status_t sender(private_socket_t *this, packet_t *packet)
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_flags = 0;
-
+
if (!src->is_anyaddr(src))
{
if (family == AF_INET)
@@ -408,7 +408,7 @@ status_t sender(private_socket_t *this, packet_t *packet)
char buf[CMSG_SPACE(sizeof(struct in6_pktinfo))];
struct in6_pktinfo *pktinfo;
struct sockaddr_in6 *sin;
-
+
msg.msg_control = buf;
msg.msg_controllen = sizeof(buf);
cmsg = CMSG_FIRSTHDR(&msg);
@@ -421,7 +421,7 @@ status_t sender(private_socket_t *this, packet_t *packet)
memcpy(&pktinfo->ipi6_addr, &sin->sin6_addr, sizeof(struct in6_addr));
}
}
-
+
bytes_sent = sendmsg(skt, &msg, 0);
if (bytes_sent != data.len)
@@ -442,7 +442,7 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port)
socklen_t addrlen;
u_int sol, pktinfo = 0;
int skt;
-
+
memset(&addr, 0, sizeof(addr));
/* precalculate constants depending on address family */
switch (family)
@@ -476,7 +476,7 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port)
default:
return 0;
}
-
+
skt = socket(family, SOCK_DGRAM, IPPROTO_UDP);
if (skt < 0)
{
@@ -489,7 +489,7 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port)
close(skt);
return 0;
}
-
+
/* bind the socket */
if (bind(skt, (struct sockaddr *)&addr, addrlen) < 0)
{
@@ -497,7 +497,7 @@ static int open_socket(private_socket_t *this, int family, u_int16_t port)
close(skt);
return 0;
}
-
+
/* get additional packet info on receive */
if (pktinfo > 0)
{
@@ -550,7 +550,7 @@ static bool enumerate(socket_enumerator_t *this, int *fd, int *family, int *port
{ offsetof(private_socket_t, ipv4_natt), AF_INET, IKEV2_NATT_PORT },
{ offsetof(private_socket_t, ipv6_natt), AF_INET6, IKEV2_NATT_PORT }
};
-
+
while(++this->index < countof(sockets))
{
int sock = *(int*)((char*)this->socket + sockets[this->index].fd_offset);
@@ -572,7 +572,7 @@ static bool enumerate(socket_enumerator_t *this, int *fd, int *family, int *port
static enumerator_t *create_enumerator(private_socket_t *this)
{
socket_enumerator_t *enumerator;
-
+
enumerator = malloc_thing(socket_enumerator_t);
enumerator->index = -1;
enumerator->socket = this;
@@ -617,7 +617,7 @@ socket_t *socket_create()
this->public.receive = (status_t(*)(socket_t*, packet_t**))receiver;
this->public.create_enumerator = (enumerator_t*(*)(socket_t*))create_enumerator;
this->public.destroy = (void(*)(socket_t*)) destroy;
-
+
this->ipv4 = 0;
this->ipv6 = 0;
this->ipv4_natt = 0;
@@ -634,7 +634,7 @@ socket_t *socket_create()
}
}
#endif
-
+
this->ipv4 = open_socket(this, AF_INET, IKEV2_UDP_PORT);
if (this->ipv4 == 0)
{
@@ -648,7 +648,7 @@ socket_t *socket_create()
DBG1(DBG_NET, "could not open IPv4 NAT-T socket");
}
}
-
+
this->ipv6 = open_socket(this, AF_INET6, IKEV2_UDP_PORT);
if (this->ipv6 == 0)
{
@@ -662,13 +662,13 @@ socket_t *socket_create()
DBG1(DBG_NET, "could not open IPv6 NAT-T socket");
}
}
-
+
if (!this->ipv4 && !this->ipv6)
{
DBG1(DBG_NET, "could not create any sockets");
destroy(this);
charon->kill(charon, "socket initialization failed");
- }
+ }
return (socket_t*)this;
}