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Annotation of embedaddon/strongswan/src/libstrongswan/networking/streams/stream_service_tcp.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2013 Martin Willi
                      3:  * Copyright (C) 2013 revosec AG
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify it
                      6:  * under the terms of the GNU General Public License as published by the
                      7:  * Free Software Foundation; either version 2 of the License, or (at your
                      8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful, but
                     11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     13:  * for more details.
                     14:  */
                     15: 
                     16: #include <library.h>
                     17: #include <networking/streams/stream_tcp.h>
                     18: 
                     19: #include <errno.h>
                     20: #include <unistd.h>
                     21: #include <sys/stat.h>
                     22: 
                     23: /**
                     24:  * See header
                     25:  */
                     26: stream_service_t *stream_service_create_tcp(char *uri, int backlog)
                     27: {
                     28:        union {
                     29:                struct sockaddr_in in;
                     30:                struct sockaddr_in6 in6;
                     31:                struct sockaddr sa;
                     32:        } addr;
                     33:        int fd, len, on = 1;
                     34: 
                     35:        len = stream_parse_uri_tcp(uri, &addr.sa);
                     36:        if (len == -1)
                     37:        {
                     38:                DBG1(DBG_NET, "invalid stream URI: '%s'", uri);
                     39:                return NULL;
                     40:        }
                     41:        fd = socket(addr.sa.sa_family, SOCK_STREAM, 0);
                     42:        if (fd < 0)
                     43:        {
                     44:                DBG1(DBG_NET, "opening socket '%s' failed: %s", uri, strerror(errno));
                     45:                return NULL;
                     46:        }
                     47:        if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void*)&on, sizeof(on)) != 0)
                     48:        {
                     49:                DBG1(DBG_NET, "SO_REUSADDR on '%s' failed: %s", uri, strerror(errno));
                     50:        }
                     51:        if (bind(fd, &addr.sa, len) < 0)
                     52:        {
                     53:                DBG1(DBG_NET, "binding socket '%s' failed: %s", uri, strerror(errno));
                     54:                close(fd);
                     55:                return NULL;
                     56:        }
                     57:        if (listen(fd, backlog) < 0)
                     58:        {
                     59:                DBG1(DBG_NET, "listen on socket '%s' failed: %s", uri, strerror(errno));
                     60:                close(fd);
                     61:                return NULL;
                     62:        }
                     63:        return stream_service_create_from_fd(fd);
                     64: }