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(do_connect): v6-ify

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6755 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1999-08-05 12:21:17 +00:00
parent cff9accccb
commit 3b5d22066c
1 changed files with 33 additions and 24 deletions
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57
appl/push/push.c
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@@ -96,42 +96,51 @@ usage (int ret)
}
static int
do_connect (const char *host, int port, int nodelay)
do_connect (const char *hostname, int port, int nodelay)
{
struct hostent *h;
struct sockaddr_in addr;
char **p;
int s = -1;
struct hostent *hostent = NULL;
char **h;
int error;
int af;
int s;
h = roken_gethostbyname (host);
if (h == NULL)
errx (1, "gethostbyname: %s", hstrerror(h_errno));
memset (&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = port;
for (p = h->h_addr_list; *p; ++p) {
memcpy(&addr.sin_addr, *p, sizeof(addr.sin_addr));
#ifdef HAVE_IPV6
if (hostent == NULL)
hostent = getipnodebyname (hostname, AF_INET6, 0, &error);
#endif
if (hostent == NULL)
hostent = getipnodebyname (hostname, AF_INET, 0, &error);
s = socket (AF_INET, SOCK_STREAM, 0);
if (hostent == NULL)
errx(1, "gethostbyname '%s' failed: %s", hostname, hstrerror(error));
af = hostent->h_addrtype;
for (h = hostent->h_addr_list; *h != NULL; ++h) {
struct sockaddr_storage sa_ss;
struct sockaddr *sa = (struct sockaddr *)&sa_ss;
sa->sa_family = af;
socket_set_address_and_port (sa, *h, port);
s = socket (af, SOCK_STREAM, 0);
if (s < 0)
err (1, "socket");
if (connect(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
warn ("connect(%s)", host);
if (connect(s, sa, socket_sockaddr_size(sa)) < 0) {
warn ("connect(%s)", hostname);
close (s);
continue;
} else {
break;
}
}
if (*p == NULL)
freehostent (hostent);
if (*h == NULL)
return -1;
else {
if(setsockopt(s, IPPROTO_TCP, TCP_NODELAY,
(void *)&nodelay, sizeof(nodelay)) < 0)
err (1, "setsockopt TCP_NODELAY");
return s;
}
if(setsockopt(s, IPPROTO_TCP, TCP_NODELAY,
(void *)&nodelay, sizeof(nodelay)) < 0)
err (1, "setsockopt TCP_NODELAY");
return s;
}
typedef enum { INIT = 0, GREET, USER, PASS, STAT, RETR, TOP,