diff options
Diffstat (limited to 'lib/ftutil.c')
-rw-r--r-- | lib/ftutil.c | 110 |
1 files changed, 50 insertions, 60 deletions
diff --git a/lib/ftutil.c b/lib/ftutil.c index 3b29d2f4..7606890f 100644 --- a/lib/ftutil.c +++ b/lib/ftutil.c @@ -28,117 +28,107 @@ #include "lib/ftutil.h" #define ASSERTSOCKOP(op, msg) \ - if( (op) == -1 ) {\ - g_snprintf( errmsg, sizeof( errmsg ), msg ": %s", strerror( errno ) ); \ + if ((op) == -1) { \ + g_snprintf(errmsg, sizeof(errmsg), msg ": %s", strerror(errno)); \ return -1; } /* * Creates a listening socket and returns it in saddr_ptr. */ -int ft_listen( struct sockaddr_storage *saddr_ptr, char *host, char *port, int copy_fd, int for_bitlbee_client, char **errptr ) +int ft_listen(struct sockaddr_storage *saddr_ptr, char *host, char *port, int copy_fd, int for_bitlbee_client, + char **errptr) { int fd, gret, saddrlen; struct addrinfo hints, *rp; - socklen_t ssize = sizeof( struct sockaddr_storage ); + socklen_t ssize = sizeof(struct sockaddr_storage); struct sockaddr_storage saddrs, *saddr = &saddrs; static char errmsg[1024]; char *ftlisten = global.conf->ft_listen; - if( errptr ) + if (errptr) { *errptr = errmsg; + } - strcpy( port, "0" ); + strcpy(port, "0"); /* Format is <IP-A>[:<Port-A>];<IP-B>[:<Port-B>] where * A is for connections with the bitlbee client (DCC) * and B is for connections with IM peers. */ - if( ftlisten ) - { - char *scolon = strchr( ftlisten, ';' ); + if (ftlisten) { + char *scolon = strchr(ftlisten, ';'); char *colon; - if( scolon ) - { - if( for_bitlbee_client ) - { + if (scolon) { + if (for_bitlbee_client) { *scolon = '\0'; - strncpy( host, ftlisten, HOST_NAME_MAX ); + strncpy(host, ftlisten, HOST_NAME_MAX); *scolon = ';'; + } else { + strncpy(host, scolon + 1, HOST_NAME_MAX); } - else - { - strncpy( host, scolon + 1, HOST_NAME_MAX ); - } - } - else - { - strncpy( host, ftlisten, HOST_NAME_MAX ); + } else { + strncpy(host, ftlisten, HOST_NAME_MAX); } - if( ( colon = strchr( host, ':' ) ) ) - { + if ((colon = strchr(host, ':'))) { *colon = '\0'; - strncpy( port, colon + 1, 5 ); + strncpy(port, colon + 1, 5); } - } - else if( copy_fd >= 0 && getsockname( copy_fd, (struct sockaddr*) &saddrs, &ssize ) == 0 && - ( saddrs.ss_family == AF_INET || saddrs.ss_family == AF_INET6 ) && - getnameinfo( (struct sockaddr*) &saddrs, ssize, host, HOST_NAME_MAX, - NULL, 0, NI_NUMERICHOST ) == 0 ) - { + } else if (copy_fd >= 0 && getsockname(copy_fd, (struct sockaddr*) &saddrs, &ssize) == 0 && + (saddrs.ss_family == AF_INET || saddrs.ss_family == AF_INET6) && + getnameinfo((struct sockaddr*) &saddrs, ssize, host, HOST_NAME_MAX, + NULL, 0, NI_NUMERICHOST) == 0) { /* We just took our local address on copy_fd, which is likely to be a sensible address from which we can do a file transfer now - the most sensible we can get easily. */ - } - else - { - ASSERTSOCKOP( gethostname( host, HOST_NAME_MAX + 1 ), "gethostname()" ); + } else { + ASSERTSOCKOP(gethostname(host, HOST_NAME_MAX + 1), "gethostname()"); } - memset( &hints, 0, sizeof( struct addrinfo ) ); + memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_socktype = SOCK_STREAM; hints.ai_flags = AI_NUMERICSERV; - if ( ( gret = getaddrinfo( host, port, &hints, &rp ) ) != 0 ) - { - sprintf( errmsg, "getaddrinfo() failed: %s", gai_strerror( gret ) ); + if ((gret = getaddrinfo(host, port, &hints, &rp)) != 0) { + sprintf(errmsg, "getaddrinfo() failed: %s", gai_strerror(gret)); return -1; } saddrlen = rp->ai_addrlen; - memcpy( saddr, rp->ai_addr, saddrlen ); + memcpy(saddr, rp->ai_addr, saddrlen); - freeaddrinfo( rp ); + freeaddrinfo(rp); - ASSERTSOCKOP( fd = socket( saddr->ss_family, SOCK_STREAM, 0 ), "Opening socket" ); - ASSERTSOCKOP( bind( fd, ( struct sockaddr *)saddr, saddrlen ), "Binding socket" ); - ASSERTSOCKOP( listen( fd, 1 ), "Making socket listen" ); + ASSERTSOCKOP(fd = socket(saddr->ss_family, SOCK_STREAM, 0), "Opening socket"); + ASSERTSOCKOP(bind(fd, ( struct sockaddr *) saddr, saddrlen), "Binding socket"); + ASSERTSOCKOP(listen(fd, 1), "Making socket listen"); - if ( !inet_ntop( saddr->ss_family, saddr->ss_family == AF_INET ? - ( void * )&( ( struct sockaddr_in * ) saddr )->sin_addr.s_addr : - ( void * )&( ( struct sockaddr_in6 * ) saddr )->sin6_addr.s6_addr, - host, HOST_NAME_MAX ) ) - { - strcpy( errmsg, "inet_ntop failed on listening socket" ); + if (!inet_ntop(saddr->ss_family, saddr->ss_family == AF_INET ? + ( void * ) &(( struct sockaddr_in * ) saddr)->sin_addr.s_addr : + ( void * ) &(( struct sockaddr_in6 * ) saddr)->sin6_addr.s6_addr, + host, HOST_NAME_MAX)) { + strcpy(errmsg, "inet_ntop failed on listening socket"); return -1; } - ssize = sizeof( struct sockaddr_storage ); - ASSERTSOCKOP( getsockname( fd, ( struct sockaddr *)saddr, &ssize ), "Getting socket name" ); + ssize = sizeof(struct sockaddr_storage); + ASSERTSOCKOP(getsockname(fd, ( struct sockaddr *) saddr, &ssize), "Getting socket name"); - if( saddr->ss_family == AF_INET ) - g_snprintf( port, 6, "%d", ntohs( ( (struct sockaddr_in *) saddr )->sin_port ) ); - else - g_snprintf( port, 6, "%d", ntohs( ( (struct sockaddr_in6 *) saddr )->sin6_port ) ); + if (saddr->ss_family == AF_INET) { + g_snprintf(port, 6, "%d", ntohs(((struct sockaddr_in *) saddr)->sin_port)); + } else { + g_snprintf(port, 6, "%d", ntohs(((struct sockaddr_in6 *) saddr)->sin6_port)); + } - if( saddr_ptr ) - memcpy( saddr_ptr, saddr, saddrlen ); + if (saddr_ptr) { + memcpy(saddr_ptr, saddr, saddrlen); + } /* I hate static-length strings.. */ - host[HOST_NAME_MAX-1] = '\0'; + host[HOST_NAME_MAX - 1] = '\0'; port[5] = '\0'; - + return fd; } |