folkert/simh-testsetgenerator
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fixed socket creation issue which happens on some IPv6 capable systems which don't have IPv6 enabled but return IPv6 family addresses with getaddrinfo. This is issue #48

Browse source
This commit is contained in:
Mark Pizzolato 2013-04-23 12:27:16 -07:00
parent 02b3477d20
commit b04b7ae5b1
2 changed files with 24 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
sim_sock.c
View file

@ -136,6 +136,9 @@ static struct sock_errors {
{WSAECONNREFUSED, "Connection refused"},
{WSAEHOSTUNREACH, "No route to host"},
{WSAEADDRINUSE, "Address already in use"},
#if defined (WSAEAFNOSUPPORT)
{WSAEAFNOSUPPORT, "Address family not supported by protocol"},
#endif
{WSAEACCES, "Permission denied"},
{0, NULL}
};
@ -154,7 +157,12 @@ for (i=0; (sock_errors[i].text) && (sock_errors[i].value != err); i++)
if (sock_errors[i].value == err)
printf ("Sockets: %s error %d - %s\n", emsg, err, sock_errors[i].text);
else
#if defined(_WIN32)
printf ("Sockets: %s error %d\n", emsg, err);
#else
printf ("Sockets: %s error %d - %s\n", emsg, err, strerror(err));
#endif
if (s != INVALID_SOCKET)
sim_close_sock (s, flg);
return INVALID_SOCKET;
}
@ -692,8 +700,11 @@ int32 err;
newsock = socket (af, SOCK_STREAM, 0); /* create socket */
if (newsock == INVALID_SOCKET) { /* socket error? */
err = WSAGetLastError ();
printf ("Sockets: socket error %d\n", err);
return INVALID_SOCKET;
#if defined(WSAEAFNOSUPPORT)
if (err == WSAEAFNOSUPPORT) /* expected error, just return */
return newsock;
#endif
return sim_err_sock (newsock, "socket", 0); /* report error and return */
}
return newsock;
}
@ -752,6 +763,12 @@ if (newsock == INVALID_SOCKET) { /* socket error? */
preferred = preferred->ai_next;
goto retry;
}
#else
if ((preferred->ai_family == AF_INET6) &&
(preferred != result)) {
preferred = result;
goto retry;
}
#endif
p_freeaddrinfo(result);
return newsock;

3
sim_sock.h
View file

@ -66,6 +66,9 @@
#define WSAECONNREFUSED ECONNREFUSED
#define WSAEHOSTUNREACH EHOSTUNREACH
#define WSAEADDRINUSE EADDRINUSE
#if defined(EAFNOSUPPORT)
#define WSAEAFNOSUPPORT EAFNOSUPPORT
#endif
#define WSAEACCES EACCES
#define INVALID_SOCKET ((SOCKET)-1)
#define SOCKET_ERROR -1