(client_doit): move identical code here and start using getaddrinfo

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7501 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1999-12-04 18:13:03 +00:00
parent 4a9a216cef
commit bab3021fc1

View File

@@ -117,3 +117,43 @@ client_setup(krb5_context *context, int *argc, char **argv)
*argc = optind;
return port;
}
int
client_doit (const char *hostname, int port, const char *service,
int (*func)(int, const char *hostname, const char *service))
{
struct addrinfo *ai, *a;
struct addrinfo hints;
int error;
char portstr[NI_MAXSERV];
memset (&hints, 0, sizeof(hints));
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
snprintf (portstr, sizeof(portstr), "%u", port);
error = getaddrinfo (hostname, portstr, &hints, &ai);
if (error) {
errx (1, "%s: %s", hostname, gai_strerror(error));
return -1;
}
for (a = ai; a != NULL; a = a->ai_next) {
int s;
s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
if (s < 0)
continue;
if (connect (s, a->ai_addr, a->ai_addrlen) < 0) {
warn ("connect(%s)", hostname);
close (s);
continue;
}
freeaddrinfo (ai);
return (*func) (s, hostname, service);
}
warnx ("failed to contact %s", hostname);
freeaddrinfo (ai);
return 1;
}