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Annotation of embedaddon/miniupnpd/upnputils.c, revision 1.1

1.1     ! misho       1: /* $Id: upnputils.c,v 1.3 2011/05/20 09:42:23 nanard Exp $ */
        !             2: /* MiniUPnP project
        !             3:  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
        !             4:  * (c) 2006-2011 Thomas Bernard
        !             5:  * This software is subject to the conditions detailed
        !             6:  * in the LICENCE file provided within the distribution */
        !             7: 
        !             8: #include "config.h"
        !             9: 
        !            10: #include <stdio.h>
        !            11: #include <sys/types.h>
        !            12: #include <sys/socket.h>
        !            13: #include <netinet/in.h>
        !            14: #include <arpa/inet.h>
        !            15: #ifdef AF_LINK
        !            16: #include <net/if_dl.h>
        !            17: #endif
        !            18: 
        !            19: #include "upnputils.h"
        !            20: 
        !            21: int
        !            22: sockaddr_to_string(const struct sockaddr * addr, char * str, size_t size)
        !            23: {
        !            24:        char buffer[64];
        !            25:        unsigned short port = 0;
        !            26:        int n = -1;
        !            27: 
        !            28:        switch(addr->sa_family)
        !            29:        {
        !            30:        case AF_INET6:
        !            31:                inet_ntop(addr->sa_family,
        !            32:                          &((struct sockaddr_in6 *)addr)->sin6_addr,
        !            33:                          buffer, sizeof(buffer));
        !            34:                port = ntohs(((struct sockaddr_in6 *)addr)->sin6_port);
        !            35:                n = snprintf(str, size, "[%s]:%hu", buffer, port);
        !            36:                break;
        !            37:        case AF_INET:
        !            38:                inet_ntop(addr->sa_family,
        !            39:                          &((struct sockaddr_in *)addr)->sin_addr,
        !            40:                          buffer, sizeof(buffer));
        !            41:                port = ntohs(((struct sockaddr_in *)addr)->sin_port);
        !            42:                n = snprintf(str, size, "%s:%hu", buffer, port);
        !            43:                break;
        !            44: #ifdef AF_LINK
        !            45:        case AF_LINK:
        !            46:                {
        !            47:                        struct sockaddr_dl * sdl = (struct sockaddr_dl *)addr;
        !            48:                        n = snprintf(str, size, "index=%hu type=%d %s",
        !            49:                                     sdl->sdl_index, sdl->sdl_type,
        !            50:                                     link_ntoa(sdl));
        !            51:                }
        !            52:                break;
        !            53: #endif
        !            54:        default:
        !            55:                n = snprintf(str, size, "unknown address family %d", addr->sa_family);
        !            56: #if 0
        !            57:                n = snprintf(str, size, "unknown address family %d "
        !            58:                             "%02x %02x %02x %02x %02x %02x %02x %02x",
        !            59:                             addr->sa_family,
        !            60:                             addr->sa_data[0], addr->sa_data[1], (unsigned)addr->sa_data[2], addr->sa_data[3],
        !            61:                             addr->sa_data[4], addr->sa_data[5], (unsigned)addr->sa_data[6], addr->sa_data[7]);
        !            62: #endif
        !            63:        }
        !            64:        return n;
        !            65: }
        !            66: 
        !            67: 
        !            68: