X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Fconn.c;h=7c4c8d23782cc995fc11c41baeee9041e0ae1416;hp=4772fd34628b660f8f517fcb1edc30515b0c283e;hb=4ed2cb1a0248130f476ff9afd4fd4ed887fee376;hpb=818a206a4261f3d4153b0ab5c2025d77002290f5 diff --git a/src/ngircd/conn.c b/src/ngircd/conn.c index 4772fd34..7c4c8d23 100644 --- a/src/ngircd/conn.c +++ b/src/ngircd/conn.c @@ -88,7 +88,7 @@ static void Init_Conn_Struct PARAMS(( CONN_ID Idx )); static bool Init_Socket PARAMS(( int Sock )); static void New_Server PARAMS(( int Server, ng_ipaddr_t *dest )); static void Simple_Message PARAMS(( int Sock, const char *Msg )); -static int NewListener PARAMS(( int af, const UINT16 Port )); +static int NewListener PARAMS(( const char *listen_addr, UINT16 Port )); static array My_Listeners; static array My_ConnArray; @@ -272,7 +272,7 @@ Conn_Exit( void ) static unsigned int -ports_initlisteners(array *a, int af, void (*func)(int,short)) +ports_initlisteners(array *a, const char *listen_addr, void (*func)(int,short)) { unsigned int created = 0; size_t len; @@ -281,15 +281,15 @@ ports_initlisteners(array *a, int af, void (*func)(int,short)) len = array_length(a, sizeof (UINT16)); port = array_start(a); - while(len--) { - fd = NewListener(af, *port); + while (len--) { + fd = NewListener(listen_addr, *port); if (fd < 0) { port++; continue; } if (!io_event_create( fd, IO_WANTREAD, func )) { Log( LOG_ERR, "io_event_create(): Could not add listening fd %d (port %u): %s!", - fd, (unsigned int) *port, strerror(errno)); + fd, (unsigned int) *port, strerror(errno)); close(fd); port++; continue; @@ -297,7 +297,6 @@ ports_initlisteners(array *a, int af, void (*func)(int,short)) created++; port++; } - return created; } @@ -306,21 +305,39 @@ GLOBAL unsigned int Conn_InitListeners( void ) { /* Initialize ports on which the server should accept connections */ - unsigned int created = 0; + char *copy, *listen_addr; if (!io_library_init(CONNECTION_POOL)) { Log(LOG_EMERG, "Cannot initialize IO routines: %s", strerror(errno)); return -1; } -#ifdef WANT_IPV6 - if (Conf_ListenIPv6) - created = ports_initlisteners(&Conf_ListenPorts, AF_INET6, cb_listen); -#endif - if (Conf_ListenIPv4) - created += ports_initlisteners(&Conf_ListenPorts, AF_INET, cb_listen); + assert(Conf_ListenAddress); + + /* can't use Conf_ListenAddress directly, see below */ + copy = strdup(Conf_ListenAddress); + if (!copy) { + Log(LOG_CRIT, "Cannot copy %s: %s", Conf_ListenAddress, strerror(errno)); + return 0; + } + listen_addr = strtok(copy, ","); + while (listen_addr) { + ngt_TrimStr(listen_addr); + if (*listen_addr) + created += ports_initlisteners(&Conf_ListenPorts, listen_addr, cb_listen); + + listen_addr = strtok(NULL, ","); + } + + /* + * can't free() Conf_ListenAddress here. On /REHASH, if the config file + * cannot be re-loaded, we'd end up with a NULL Conf_ListenAddress. + * Instead, free() takes place in conf.c, before the config file + * is being parsed. + */ + free(copy); return created; } /* Conn_InitListeners */ @@ -350,25 +367,15 @@ Conn_ExitListeners( void ) static bool -InitSinaddrListenAddr(int af, ng_ipaddr_t *addr, UINT16 Port) +InitSinaddrListenAddr(ng_ipaddr_t *addr, const char *listen_addrstr, UINT16 Port) { bool ret; - const char *listen_addrstr = NULL; -#ifdef WANT_IPV6 - if (af == AF_INET) - listen_addrstr = "0.0.0.0"; -#else - (void)af; -#endif - if (Conf_ListenAddress[0]) /* overrides V4/V6 atm */ - listen_addrstr = Conf_ListenAddress; ret = ng_ipaddr_init(addr, listen_addrstr, Port); if (!ret) { - if (!listen_addrstr) - listen_addrstr = ""; - Log(LOG_CRIT, "Can't bind to %s:%u: can't convert ip address \"%s\"", - listen_addrstr, Port, listen_addrstr); + assert(listen_addrstr); + Log(LOG_CRIT, "Can't bind to [%s]:%u: can't convert ip address \"%s\"", + listen_addrstr, Port, listen_addrstr); } return ret; } @@ -394,25 +401,24 @@ set_v6_only(int af, int sock) /* return new listening port file descriptor or -1 on failure */ static int -NewListener(int af, const UINT16 Port) +NewListener(const char *listen_addr, UINT16 Port) { /* Create new listening socket on specified port */ ng_ipaddr_t addr; - int sock; + int sock, af; #ifdef ZEROCONF char name[CLIENT_ID_LEN], *info; #endif - if (!InitSinaddrListenAddr(af, &addr, Port)) + if (!InitSinaddrListenAddr(&addr, listen_addr, Port)) return -1; - sock = socket(ng_ipaddr_af(&addr), SOCK_STREAM, 0); + af = ng_ipaddr_af(&addr); + sock = socket(af, SOCK_STREAM, 0); if( sock < 0 ) { - Log( LOG_CRIT, "Can't create socket: %s!", strerror( errno )); + Log(LOG_CRIT, "Can't create socket (af %d) : %s!", af, strerror(errno)); return -1; } - af = ng_ipaddr_af(&addr); - set_v6_only(af, sock); if (!Init_Socket(sock)) @@ -438,12 +444,7 @@ NewListener(int af, const UINT16 Port) return -1; } -#ifdef WANT_IPV6 - if (af == AF_INET6) - Log(LOG_INFO, "Now listening on [%s]:%d (socket %d).", ng_ipaddr_tostr(&addr), Port, sock); - else -#endif - Log(LOG_INFO, "Now listening on %s:%d (socket %d).", ng_ipaddr_tostr(&addr), Port, sock); + Log(LOG_INFO, "Now listening on [%s]:%d (socket %d).", ng_ipaddr_tostr(&addr), Port, sock); #ifdef ZEROCONF /* Get best server description text */ @@ -1461,7 +1462,7 @@ New_Server( int Server , ng_ipaddr_t *dest) af_dest = ng_ipaddr_af(dest); new_sock = socket(af_dest, SOCK_STREAM, 0); if (new_sock < 0) { - Log( LOG_CRIT, "Can't create socket: %s!", strerror( errno )); + Log( LOG_CRIT, "Can't create socket (af %d) : %s!", af_dest, strerror( errno )); return; }