IPv6 outgoing connections added - initially

master
Alexey Khromov 4 months ago
parent 75aececd6b
commit 6235b78239

@ -252,4 +252,8 @@ Alexey Khromov (zx@zxalexis.ru)
+ New option: emsi_send_tz - to send TZUTC EMSI-handshake part.
0.25.1
+ Added testing script for PSTN comms (tests folder).
+ Added testing script for PSTN comms (tests folder).
0.25.2
+ Adopted for outgoing IPv6 communication

@ -1 +1 @@
0.25.1
0.25.2

@ -19,29 +19,50 @@
#define DEFAULT_PORT 60179 /* Birthday .. mother fucker :) */
struct addrinfo *ai = NULL;
static RETSIGTYPE tcpip_interrupt(int sig)
{
tty_abort = TRUE;
log("terminating on signal %d", sig);
(void)log("terminating on signal %d", sig);
}
static RETSIGTYPE tcpip_brokenpipe(int sig)
{
tty_abort = TRUE;
if( tty_online )
log("connection closed");
(void)log("connection closed");
else
log("terminating on signal %d", sig);
(void)log("terminating on signal %d", sig);
}
static int tcpip_connect2(struct sockaddr_in server)
static int tcpip_connect2(struct addrinfo *ai)
{
int fd;
DEB((D_INFO, "tcpip_connect2: trying \"%s\" at port %d",
inet_ntoa(server.sin_addr), (int)ntohs(server.sin_port)));
if( (fd = socket(AF_INET, SOCK_STREAM, 0)) < 0 )
int fd = -1;
char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
struct addrinfo *rai;
for (rai = ai; rai != NULL; rai = rai->ai_next)
{
if (getnameinfo(rai->ai_addr, rai->ai_addrlen, hbuf, sizeof(hbuf), sbuf,
sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV) == 0)
DEB((D_INFO, "tcpip_connect2: trying host=%s, serv=%s", hbuf, sbuf));
fd = socket (rai->ai_family, rai->ai_socktype, rai->ai_protocol);
if ( fd == -1 )
{
DEB((D_INFO, "tcpip_connect2: socket error"));
continue;
}
else break;
hbuf[0]='\0';
sbuf[0]='\0';
}
DEB((D_INFO, "tcpip_connect2: socket success: %d", fd));
if (fd < 0 )
{
logerr("can't create socket");
return(1);
@ -84,9 +105,9 @@ static int tcpip_connect2(struct sockaddr_in server)
clearerr(stdout);
clearerr(stderr);
if( connect(0, (struct sockaddr*)&server, sizeof(server)) == -1 )
if( connect(0, rai->ai_addr, rai->ai_addrlen) == -1 )
{
logerr("can't connect to %s", inet_ntoa(server.sin_addr));
logerr("can't connect to %s", hbuf);
close(0);
close(1);
close(2);
@ -99,8 +120,7 @@ static int tcpip_connect2(struct sockaddr_in server)
return 1;
}
log("TCP/IP connect to %s on port %d",
inet_ntoa(server.sin_addr), (int)ntohs(server.sin_port));
(void)log("TCP/IP connect success to %s on service %s", hbuf, sbuf);
return(0);
}
@ -108,14 +128,23 @@ static int tcpip_connect2(struct sockaddr_in server)
int tcpip_connect(const char *hostname, e_tcpmode tcpmode)
{
int rc = 0;
struct hostent *he = NULL;
struct servent *se = NULL;
struct sockaddr_in server;
//struct hostent *he = NULL;
//struct servent *se = NULL;
//struct sockaddr_in server;
//struct sockaddr_storage server;
struct addrinfo *aisave = NULL;
struct addrinfo aihints;
int nameres = 0;
char *host = xstrcpy(hostname);
char *p = strrchr(host, ':');
const char *port = NULL;
server.sin_family = AF_INET;
// AF_INET - only IPv4
//server.sin_family = AF_INET;
if( p )
{ *p++ = '\0'; port = p; }
@ -125,16 +154,32 @@ int tcpip_connect(const char *hostname, e_tcpmode tcpmode)
port = "telnet";
else /* Can not rely on /etc/services - it is not well-known port */
port = "60179";
// Do not need it
/*
if( ISDEC(port) )
server.sin_port = htons(atoi(port));
else if( (se = getservbyname(port, "tcp")) )
server.sin_port = se->s_port;
else
{ log("invalid port or service name \"%s\"", port); rc = 1; }
*/
//if( rc == 0 )
//{
DEB((D_INFO, "tcpip_connect: port is %s", port));
memset( &aihints, 0, sizeof( aihints) );
aihints.ai_family = AF_UNSPEC;
//aihints.ai_socktype = SOCK_STREAM;
aihints.ai_protocol = IPPROTO_TCP;
if( rc == 0 )
nameres = getaddrinfo ( host, port, &aihints, &ai );
if ( nameres != 0 )
{
rc = 1;
log("Resolver error for host %s, port %s: \"%s\".", host, port, gai_strerror(nameres));
}
// GetHostByName works with IPv4 only and *deprecated*
/*
if( (he = gethostbyname(host)) )
{
memcpy(&server.sin_addr, he->h_addr, he->h_length);
@ -159,12 +204,19 @@ int tcpip_connect(const char *hostname, e_tcpmode tcpmode)
log("unknown error while resolving host \"%s\"", host);
break;
}
}
}
} */
//}
if( host ) { free(host); host = NULL; }
DEB((D_INFO, "tcpip_connect: resolver got result!"));
aisave = ai;
if (rc == 0 )
rc = tcpip_connect2(ai);
freeaddrinfo( aisave );
return rc ? rc : tcpip_connect2(server);
return rc;
}
int tcpip_init(void)

@ -28,6 +28,8 @@ function testcomm() {
BFCFGA=${CURDIR}/etc/bforceA.conf
BFCFGB=${CURDIR}/etc/bforceB.conf
# Works for Linux
BFCONFIG=${BFCFGA}
BFCONFIG=${BFCFGA} ${BFBIN} -o 99:1/2 > ${CURDIR}/bforceAtoB < ${CURDIR}/bforceBtoA &
#
@ -35,6 +37,9 @@ function testcomm() {
BFCONFIG=${BFCFGB}
BFCONFIG=${BFCFGB} ${BFBIN} -S"CONNECT 9600" auto < ${CURDIR}/bforceAtoB > ${CURDIR}/bforceBtoA
# For [Free]BSD it need to be replaced - pipes are bidirectional:
# ./ping <&1 | ./pong >&0
rm ${CURDIR}/{bforceAtoB,bforceBtoA}
## WE MUST CHECK THAT INBOUND ARE FULL!!! ##
@ -88,6 +93,8 @@ else
echo -n "--> Running Hydra test..."
testcomm
# TODO: make binkd test over netcat possibly
fi

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