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Show a meaningful error when connecting to an SSL-only port with STARTTLS (iotw: if you forgot ssl in link::outgoing::options).

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This commit is contained in:
Bram Matthys
2015-07-15 15:09:01 +02:00
parent f847d2c9e5
commit 168ff802c4
1 changed files with 9 additions and 0 deletions
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src/ssl.c
+9
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@@ -596,6 +596,15 @@ int ircd_SSL_accept(aClient *acptr, int fd) {
}
return fatal_ssl_error(ssl_err, SAFE_SSL_ACCEPT, ERRNO, acptr);
case SSL_ERROR_WANT_READ:
if ((acptr->ssl->packet_length >= 8) && !strncmp(acptr->ssl->packet, "STARTTLS", 8))
{
char buf[512];
snprintf(buf, sizeof(buf),
"ERROR :STARTTLS received but this is an SSL-only port. Check your connect settings. "
"If this is a server linking in then add 'ssl' in your link::outgoing::options block.\r\n");
send(fd, buf, strlen(buf), 0);
return fatal_ssl_error(ssl_err, SAFE_SSL_ACCEPT, ERRNO, acptr);
}
fd_setselect(fd, FD_SELECT_READ, ircd_SSL_accept_retry, acptr);
fd_setselect(fd, FD_SELECT_WRITE, NULL, acptr);
return 1;