net_socket.c -- Handle various kinds of sockets.
Copyright (C) 1998-2005 Ivo Timmermans,
2000-2009 Guus Sliepen <guus@tinc-vpn.org>
+ 2006 Scott Lamb <slamb@slamb.org>
+ 2009 Florian Forster <octo@verplant.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id$
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "system.h"
int flags = fcntl(c->socket, F_GETFL);
if(fcntl(c->socket, F_SETFL, flags | O_NONBLOCK) < 0) {
- logger(LOG_ERR, _("fcntl for %s: %s"), c->hostname, strerror(errno));
+ logger(LOG_ERR, "fcntl for %s: %s", c->hostname, strerror(errno));
}
#elif defined(WIN32)
unsigned long arg = 1;
if(ioctlsocket(c->socket, FIONBIO, &arg) != 0) {
- logger(LOG_ERR, _("ioctlsocket for %s: WSA error %d"), c->hostname, WSAGetLastError());
+ logger(LOG_ERR, "ioctlsocket for %s: WSA error %d", c->hostname, WSAGetLastError());
}
#endif
#endif
}
-static bool bind_to_interface(int sd) { /* {{{ */
+static bool bind_to_interface(int sd) {
char *iface;
#if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
status = setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr));
if(status) {
- logger(LOG_ERR, _("Can't bind to interface %s: %s"), iface,
+ logger(LOG_ERR, "Can't bind to interface %s: %s", iface,
strerror(errno));
return false;
}
#else /* if !defined(SOL_SOCKET) || !defined(SO_BINDTODEVICE) */
- logger(LOG_WARNING, _("%s not supported on this platform"), "BindToInterface");
+ logger(LOG_WARNING, "%s not supported on this platform", "BindToInterface");
#endif
return true;
-} /* }}} bool bind_to_interface */
+}
-static bool bind_to_address(connection_t *c) { /* {{{ */
+static bool bind_to_address(connection_t *c) {
char *node;
struct addrinfo *ai_list;
struct addrinfo *ai_ptr;
&ai_hints, &ai_list);
if(status) {
free(node);
- logger(LOG_WARNING, _("Error looking up %s port %s: %s"),
- node, _("any"), gai_strerror(status));
+ logger(LOG_WARNING, "Error looking up %s port %s: %s",
+ node, "any", gai_strerror(status));
return false;
}
assert(ai_list != NULL);
if(status) {
- logger(LOG_ERR, _("Can't bind to %s/tcp: %s"), node,
+ logger(LOG_ERR, "Can't bind to %s/tcp: %s", node,
strerror(errno));
} else ifdebug(CONNECTIONS) {
logger(LOG_DEBUG, "Successfully bound outgoing "
freeaddrinfo(ai_list);
return status ? false : true;
-} /* }}} bool bind_to_address */
+}
-int setup_listen_socket(const sockaddr_t *sa)
-{
+int setup_listen_socket(const sockaddr_t *sa) {
int nfd;
char *addrstr;
int option;
char *iface;
- cp();
-
nfd = socket(sa->sa.sa_family, SOCK_STREAM, IPPROTO_TCP);
if(nfd < 0) {
- ifdebug(STATUS) logger(LOG_ERR, _("Creating metasocket failed: %s"), strerror(errno));
+ ifdebug(STATUS) logger(LOG_ERR, "Creating metasocket failed: %s", strerror(errno));
return -1;
}
if(setsockopt(nfd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof ifr)) {
closesocket(nfd);
- logger(LOG_ERR, _("Can't bind to interface %s: %s"), iface,
+ logger(LOG_ERR, "Can't bind to interface %s: %s", iface,
strerror(errno));
return -1;
}
#else
- logger(LOG_WARNING, _("%s not supported on this platform"), "BindToInterface");
+ logger(LOG_WARNING, "%s not supported on this platform", "BindToInterface");
#endif
}
if(bind(nfd, &sa->sa, SALEN(sa->sa))) {
closesocket(nfd);
addrstr = sockaddr2hostname(sa);
- logger(LOG_ERR, _("Can't bind to %s/tcp: %s"), addrstr,
+ logger(LOG_ERR, "Can't bind to %s/tcp: %s", addrstr,
strerror(errno));
free(addrstr);
return -1;
if(listen(nfd, 3)) {
closesocket(nfd);
- logger(LOG_ERR, _("System call `%s' failed: %s"), "listen",
+ logger(LOG_ERR, "System call `%s' failed: %s", "listen",
strerror(errno));
return -1;
}
char *addrstr;
int option;
- cp();
-
nfd = socket(sa->sa.sa_family, SOCK_DGRAM, IPPROTO_UDP);
if(nfd < 0) {
- logger(LOG_ERR, _("Creating UDP socket failed: %s"), strerror(errno));
+ logger(LOG_ERR, "Creating UDP socket failed: %s", strerror(errno));
return -1;
}
if(fcntl(nfd, F_SETFL, flags | O_NONBLOCK) < 0) {
closesocket(nfd);
- logger(LOG_ERR, _("System call `%s' failed: %s"), "fcntl",
+ logger(LOG_ERR, "System call `%s' failed: %s", "fcntl",
strerror(errno));
return -1;
}
unsigned long arg = 1;
if(ioctlsocket(nfd, FIONBIO, &arg) != 0) {
closesocket(nfd);
- logger(LOG_ERR, _("Call to `%s' failed: WSA error %d"), "ioctlsocket",
+ logger(LOG_ERR, "Call to `%s' failed: WSA error %d", "ioctlsocket",
WSAGetLastError());
return -1;
}
if(bind(nfd, &sa->sa, SALEN(sa->sa))) {
closesocket(nfd);
addrstr = sockaddr2hostname(sa);
- logger(LOG_ERR, _("Can't bind to %s/udp: %s"), addrstr,
+ logger(LOG_ERR, "Can't bind to %s/udp: %s", addrstr,
strerror(errno));
free(addrstr);
return -1;
}
void retry_outgoing(outgoing_t *outgoing) {
- cp();
-
outgoing->timeout += 5;
if(outgoing->timeout > maxtimeout)
event_add(&outgoing->ev, &(struct timeval){outgoing->timeout, 0});
ifdebug(CONNECTIONS) logger(LOG_NOTICE,
- _("Trying to re-establish outgoing connection in %d seconds"),
+ "Trying to re-establish outgoing connection in %d seconds",
outgoing->timeout);
}
void finish_connecting(connection_t *c) {
- cp();
-
- ifdebug(CONNECTIONS) logger(LOG_INFO, _("Connected to %s (%s)"), c->name, c->hostname);
+ ifdebug(CONNECTIONS) logger(LOG_INFO, "Connected to %s (%s)", c->name, c->hostname);
configure_tcp(c);
char *address, *port;
int result;
- cp();
-
begin:
if(!c->outgoing->ai) {
if(!c->outgoing->cfg) {
- ifdebug(CONNECTIONS) logger(LOG_ERR, _("Could not set up a meta connection to %s"),
+ ifdebug(CONNECTIONS) logger(LOG_ERR, "Could not set up a meta connection to %s",
c->name);
retry_outgoing(c->outgoing);
c->outgoing = NULL;
c->hostname = sockaddr2hostname(&c->address);
- ifdebug(CONNECTIONS) logger(LOG_INFO, _("Trying to connect to %s (%s)"), c->name,
+ ifdebug(CONNECTIONS) logger(LOG_INFO, "Trying to connect to %s (%s)", c->name,
c->hostname);
c->socket = socket(c->address.sa.sa_family, SOCK_STREAM, IPPROTO_TCP);
if(c->socket == -1) {
- ifdebug(CONNECTIONS) logger(LOG_ERR, _("Creating socket for %s failed: %s"), c->hostname,
+ ifdebug(CONNECTIONS) logger(LOG_ERR, "Creating socket for %s failed: %s", c->hostname,
strerror(errno));
goto begin;
closesocket(c->socket);
- ifdebug(CONNECTIONS) logger(LOG_ERR, _("%s: %s"), c->hostname, strerror(errno));
+ ifdebug(CONNECTIONS) logger(LOG_ERR, "%s: %s", c->hostname, strerror(errno));
goto begin;
}
}
void handle_meta_read(struct bufferevent *event, void *data) {
- logger(LOG_EMERG, _("handle_meta_read() called"));
+ logger(LOG_EMERG, "handle_meta_read() called");
abort();
}
void handle_meta_write(struct bufferevent *event, void *data) {
- ifdebug(META) logger(LOG_DEBUG, _("handle_meta_write() called"));
+ ifdebug(META) logger(LOG_DEBUG, "handle_meta_write() called");
}
void handle_meta_connection_error(struct bufferevent *event, short what, void *data) {
connection_t *c = data;
- logger(LOG_EMERG, _("handle_meta_connection_error() called: %d: %s"), what, strerror(errno));
+ logger(LOG_EMERG, "handle_meta_connection_error() called: %d: %s", what, strerror(errno));
terminate_connection(c, c->status.active);
}
connection_t *c;
node_t *n;
- cp();
-
n = lookup_node(outgoing->name);
if(n)
if(n->connection) {
- ifdebug(CONNECTIONS) logger(LOG_INFO, _("Already connected to %s"), outgoing->name);
+ ifdebug(CONNECTIONS) logger(LOG_INFO, "Already connected to %s", outgoing->name);
n->connection->outgoing = outgoing;
return;
outgoing->cfg = lookup_config(c->config_tree, "Address");
if(!outgoing->cfg) {
- logger(LOG_ERR, _("No address specified for %s"), c->name);
+ logger(LOG_ERR, "No address specified for %s", c->name);
free_connection(c);
return;
}
event_add(&c->inevent, NULL);
c->buffer = bufferevent_new(c->socket, handle_meta_read, handle_meta_write, handle_meta_connection_error, c);
if(!c->buffer) {
- logger(LOG_EMERG, _("bufferevent_new() failed: %s"), strerror(errno));
+ logger(LOG_EMERG, "bufferevent_new() failed: %s", strerror(errno));
abort();
}
bufferevent_disable(c->buffer, EV_READ);
int fd;
socklen_t len = sizeof sa;
- cp();
-
fd = accept(sock, &sa.sa, &len);
if(fd < 0) {
- logger(LOG_ERR, _("Accepting a new connection failed: %s"), strerror(errno));
+ logger(LOG_ERR, "Accepting a new connection failed: %s", strerror(errno));
return;
}
c->socket = fd;
c->last_ping_time = time(NULL);
- ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Connection from %s"), c->hostname);
+ ifdebug(CONNECTIONS) logger(LOG_NOTICE, "Connection from %s", c->hostname);
event_set(&c->inevent, c->socket, EV_READ | EV_PERSIST, handle_meta_connection_data, c);
event_add(&c->inevent, NULL);
c->buffer = bufferevent_new(c->socket, NULL, handle_meta_write, handle_meta_connection_error, c);
if(!c->buffer) {
- logger(LOG_EMERG, _("bufferevent_new() failed: %s"), strerror(errno));
+ logger(LOG_EMERG, "bufferevent_new() failed: %s", strerror(errno));
abort();
}
bufferevent_disable(c->buffer, EV_READ);
free(outgoing);
}
-void try_outgoing_connections(void)
-{
+void try_outgoing_connections(void) {
static config_t *cfg = NULL;
char *name;
outgoing_t *outgoing;
connection_t *c;
splay_node_t *node;
- cp();
-
if(outgoing_list) {
for(node = connection_tree->head; node; node = node->next) {
c = node->data;
if(!check_id(name)) {
logger(LOG_ERR,
- _("Invalid name for outgoing connection in %s line %d"),
+ "Invalid name for outgoing connection in %s line %d",
cfg->file, cfg->line);
free(name);
continue;
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