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Support for falling back through the list of addresses returned from

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a DNS lookup, whether they're IPv4, v6 or a mixture of both.

[originally from svn r5119]
[this svn revision also touched putty-wishlist]
This commit is contained in:
Simon Tatham
2005-01-16 14:29:34 +00:00
parent 0f754aac82
commit f70efc5cc6
10 changed files with 648 additions and 352 deletions
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22
ssh.c
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@ -2408,6 +2408,22 @@ static int ssh_do_close(Ssh ssh, int notify_exit)
return ret;
}
static void ssh_log(Plug plug, int type, SockAddr addr, int port,
const char *error_msg, int error_code)
{
Ssh ssh = (Ssh) plug;
char addrbuf[256], *msg;
sk_getaddr(addr, addrbuf, lenof(addrbuf));
if (type == 0)
msg = dupprintf("Connecting to %s port %d", addrbuf, port);
else
msg = dupprintf("Failed to connect to %s: %s", addrbuf, error_msg);
logevent(msg);
}
static int ssh_closing(Plug plug, const char *error_msg, int error_code,
int calling_back)
{
@ -2462,6 +2478,7 @@ static const char *connect_to_host(Ssh ssh, char *host, int port,
char **realhost, int nodelay, int keepalive)
{
static const struct plug_function_table fn_table = {
ssh_log,
ssh_closing,
ssh_receive,
ssh_sent,
@ -2496,11 +2513,6 @@ static const char *connect_to_host(Ssh ssh, char *host, int port,
/*
* Open socket.
*/
{
char addrbuf[100];
sk_getaddr(addr, addrbuf, 100);
logeventf(ssh, "Connecting to %s port %d", addrbuf, port);
}
ssh->fn = &fn_table;
ssh->s = new_connection(addr, *realhost, port,
0, 1, nodelay, keepalive, (Plug) ssh, &ssh->cfg);