From b0a33a50735d93e1414a2e6c2007884d756429a3 Mon Sep 17 00:00:00 2001 From: Wilmer van der Gaast Date: Tue, 11 Jul 2006 11:28:44 +0200 Subject: Better handling of situations where IPv6 is not available at run-time. --- irc.c | 41 ++++++++++++++++++++++------------------- 1 file changed, 22 insertions(+), 19 deletions(-) (limited to 'irc.c') diff --git a/irc.c b/irc.c index 1a7579b8..53ca7c4c 100644 --- a/irc.c +++ b/irc.c @@ -45,10 +45,10 @@ irc_t *irc_new( int fd ) unsigned int i; char buf[128]; #ifdef IPV6 - struct sockaddr_in6 sock[1]; -#else - struct sockaddr_in sock[1]; + struct sockaddr_in6 sock6[1]; + unsigned int i6; #endif + struct sockaddr_in sock[1]; irc = g_new0( irc_t, 1 ); @@ -68,45 +68,48 @@ irc_t *irc_new( int fd ) irc->channel = g_strdup( ROOT_CHAN ); i = sizeof( *sock ); +#ifdef IPV6 + i6 = sizeof( *sock6 ); +#endif if( global.conf->hostname ) irc->myhost = g_strdup( global.conf->hostname ); #ifdef IPV6 - else if( getsockname( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin6_family == AF_INETx ) + else if( getsockname( irc->fd, (struct sockaddr*) sock6, &i6 ) == 0 && sock6->sin6_family == AF_INET6 ) { - if( ( peer = gethostbyaddr( (char*) &sock->sin6_addr, sizeof( sock->sin6_addr ), AF_INETx ) ) ) + if( ( peer = gethostbyaddr( (char*) &sock6->sin6_addr, sizeof( sock6->sin6_addr ), AF_INET6 ) ) ) irc->myhost = g_strdup( peer->h_name ); - else if( inet_ntop( AF_INETx, &sock->sin6_addr, buf, sizeof( buf ) - 1 ) != NULL ) + else if( inet_ntop( AF_INET6, &sock6->sin6_addr, buf, sizeof( buf ) - 1 ) != NULL ) irc->myhost = g_strdup( ipv6_unwrap( buf ) ); } -#else - else if( getsockname( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin_family == AF_INETx ) +#endif + else if( getsockname( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin_family == AF_INET ) { - if( ( peer = gethostbyaddr( (char*) &sock->sin_addr, sizeof( sock->sin_addr ), AF_INETx ) ) ) + if( ( peer = gethostbyaddr( (char*) &sock->sin_addr, sizeof( sock->sin_addr ), AF_INET ) ) ) irc->myhost = g_strdup( peer->h_name ); - else if( inet_ntop( AF_INETx, &sock->sin_addr, buf, sizeof( buf ) - 1 ) != NULL ) + else if( inet_ntop( AF_INET, &sock->sin_addr, buf, sizeof( buf ) - 1 ) != NULL ) irc->myhost = g_strdup( buf ); } -#endif i = sizeof( *sock ); #ifdef IPV6 - if( getpeername( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin6_family == AF_INETx ) + i6 = sizeof( *sock6 ); + if( getpeername( irc->fd, (struct sockaddr*) sock6, &i6 ) == 0 && sock6->sin6_family == AF_INET6 ) { - if( ( peer = gethostbyaddr( (char*) &sock->sin6_addr, sizeof( sock->sin6_addr ), AF_INETx ) ) ) + if( ( peer = gethostbyaddr( (char*) &sock6->sin6_addr, sizeof( sock6->sin6_addr ), AF_INET6 ) ) ) irc->host = g_strdup( peer->h_name ); - else if( inet_ntop( AF_INETx, &sock->sin6_addr, buf, sizeof( buf ) - 1 ) != NULL ) + else if( inet_ntop( AF_INET6, &sock6->sin6_addr, buf, sizeof( buf ) - 1 ) != NULL ) irc->host = g_strdup( ipv6_unwrap( buf ) ); } -#else - if( getpeername( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin_family == AF_INETx ) + else +#endif + if( getpeername( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin_family == AF_INET ) { - if( ( peer = gethostbyaddr( (char*) &sock->sin_addr, sizeof( sock->sin_addr ), AF_INETx ) ) ) + if( ( peer = gethostbyaddr( (char*) &sock->sin_addr, sizeof( sock->sin_addr ), AF_INET ) ) ) irc->host = g_strdup( peer->h_name ); - else if( inet_ntop( AF_INETx, &sock->sin_addr, buf, sizeof( buf ) - 1 ) != NULL ) + else if( inet_ntop( AF_INET, &sock->sin_addr, buf, sizeof( buf ) - 1 ) != NULL ) irc->host = g_strdup( buf ); } -#endif /* Rare, but possible. */ if( !irc->host ) irc->host = g_strdup( "localhost." ); -- cgit v1.2.3