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Query DNS for hostname of forwarded users (seems to work)

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This commit is contained in:
k4be
2021-08-22 15:05:22 +02:00
parent 7ed45c5921
commit e205e14279
1 changed files with 20 additions and 5 deletions
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src/modules/websocket.c
+20 -5
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@@ -6,6 +6,7 @@
*/
#include "unrealircd.h"
#include "dns.h"
#define WEBSOCKET_VERSION "1.1.0"
@@ -697,23 +698,37 @@ int websocket_handshake_valid(Client *client)
if ((inet_pton(AF_INET, forwarded->ip, scratch) != 1) && (inet_pton(AF_INET6, forwarded->ip, scratch) != 1))
{
unreal_log(ULOG_WARNING, "websocket", "INVALID_FORWARDED_IP", client, "Received invalid IP in Forwarded header from $ip", log_data_string("ip", client->ip));
dead_socket(client, "Forwarded: invalid IP");
return 0;
}
/* store data */
WSU(client)->secure = forwarded->secure;
safe_strdup(client->ip, forwarded->ip);
/* Update client->local->hostp */
strlcpy(client->local->sockhost, forwarded->ip, sizeof(client->local->sockhost)); /* in case dns lookup fails or is disabled */
/* (free old) */
if (client->local->hostp)
{
unreal_free_hostent(client->local->hostp);
client->local->hostp = NULL;
}
/* (create new) */
/*
TODO actually get a hostname from somewhere!
if (host && valid_host(host, 1))
client->local->hostp = unreal_create_hostent(host, client->ip);
if (!DONT_RESOLVE)
{
/* taken from socket.c */
struct hostent *he;
he = unrealdns_doclient(client); /* call this once more */
if (!client->local->hostp)
{
if (he)
client->local->hostp = he;
else
SetDNSLookup(client);
} else
{
/* Race condition detected, DNS has been done, continue with auth */
}
}
*/
/* blacklist_start_check() */
if (RCallbacks[CALLBACKTYPE_BLACKLIST_CHECK] != NULL)
RCallbacks[CALLBACKTYPE_BLACKLIST_CHECK]->func.intfunc(client);