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Implementation of UNIX-domain sockets for Ncat

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Implementation of UNIX sockets for Ncat using
also UNIX-domain sockets functionality from
Nsock library. Added new argument "-U".
This commit is contained in:
david
2012-11-12 20:44:40 +00:00
parent f01e3800fb
commit 6531a19892
10 changed files with 199 additions and 18 deletions
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34
ncat/util.c
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@@ -406,21 +406,39 @@ int do_listen(int type, int proto, const union sockaddr_u *srcaddr_u)
#endif
#endif
#ifdef HAVE_SOCKADDR_SA_LEN
sa_len = srcaddr_u->sockaddr.sa_len;
#else
sa_len = sizeof(*srcaddr_u);
#ifdef HAVE_SYS_UN_H
if (srcaddr_u->storage.ss_family == AF_UNIX)
sa_len = SUN_LEN(&srcaddr_u->un);
else
#endif
#ifdef HAVE_SOCKADDR_SA_LEN
sa_len = srcaddr_u->sockaddr.sa_len;
#else
sa_len = sizeof(*srcaddr_u);
#endif
if (bind(sock, &srcaddr_u->sockaddr, sa_len) < 0) {
bye("bind to %s:%hu: %s.", inet_socktop(srcaddr_u),
inet_port(srcaddr_u), socket_strerror(socket_errno()));
#ifdef HAVE_SYS_UN_H
if (srcaddr_u->storage.ss_family == AF_UNIX)
bye("bind to %s: %s.", srcaddr_u->un.sun_path,
socket_strerror(socket_errno()));
else
#endif
bye("bind to %s:%hu: %s.", inet_socktop(srcaddr_u),
inet_port(srcaddr_u), socket_strerror(socket_errno()));
}
if (type == SOCK_STREAM)
Listen(sock, BACKLOG);
if (o.verbose)
loguser("Listening on %s:%hu\n", inet_socktop(srcaddr_u), inet_port(srcaddr_u));
if (o.verbose) {
#ifdef HAVE_SYS_UN_H
if (srcaddr_u->storage.ss_family == AF_UNIX)
loguser("Listening on %s\n", srcaddr_u->un.sun_path);
else
#endif
loguser("Listening on %s:%hu\n", inet_socktop(srcaddr_u), inet_port(srcaddr_u));
}
return sock;
}