/*
protocol.c -- handle the meta-protocol, basic functions
Copyright (C) 1999-2005 Ivo Timmermans,
- 2000-2009 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2012 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "xalloc.h"
bool tunnelserver = false;
+bool strictsubnets = false;
/* Jumptable for the request handlers */
bool send_request(connection_t *c, const char *format, ...) {
va_list args;
char buffer[MAXBUFSIZE];
- int len, request;
+ int len, request = 0;
/* Use vsnprintf instead of vxasprintf: faster, no memory
fragmentation, cleanup is automatic, and there is a limit on the
va_end(args);
if(len < 0 || len > MAXBUFSIZE - 1) {
- logger(LOG_ERR, _("Output buffer overflow while sending request to %s (%s)"),
+ logger(LOG_ERR, "Output buffer overflow while sending request to %s (%s)",
c->name, c->hostname);
return false;
}
ifdebug(PROTOCOL) {
sscanf(buffer, "%d", &request);
ifdebug(META)
- logger(LOG_DEBUG, _("Sending %s to %s (%s): %s"),
+ logger(LOG_DEBUG, "Sending %s to %s (%s): %s",
request_name[request], c->name, c->hostname, buffer);
else
- logger(LOG_DEBUG, _("Sending %s to %s (%s)"), request_name[request],
+ logger(LOG_DEBUG, "Sending %s to %s (%s)", request_name[request],
c->name, c->hostname);
}
buffer[len++] = '\n';
- if(c == broadcast) {
+ if(c == everyone) {
broadcast_meta(NULL, buffer, len);
return true;
} else
ifdebug(PROTOCOL) {
sscanf(from->buffer, "%d", &request);
ifdebug(META)
- logger(LOG_DEBUG, _("Forwarding %s from %s (%s): %s"),
+ logger(LOG_DEBUG, "Forwarding %s from %s (%s): %s",
request_name[request], from->name, from->hostname,
from->buffer);
else
- logger(LOG_DEBUG, _("Forwarding %s from %s (%s)"),
+ logger(LOG_DEBUG, "Forwarding %s from %s (%s)",
request_name[request], from->name, from->hostname);
}
bool receive_request(connection_t *c) {
int request;
+ if(proxytype == PROXY_HTTP && c->allow_request == ID) {
+ if(!c->buffer[0] || c->buffer[0] == '\r')
+ return true;
+ if(!strncasecmp(c->buffer, "HTTP/1.1 ", 9)) {
+ if(!strncmp(c->buffer + 9, "200", 3)) {
+ logger(LOG_DEBUG, "Proxy request granted");
+ return true;
+ } else {
+ logger(LOG_DEBUG, "Proxy request rejected: %s", c->buffer + 9);
+ return false;
+ }
+ }
+ }
+
if(sscanf(c->buffer, "%d", &request) == 1) {
if((request < 0) || (request >= LAST) || !request_handlers[request]) {
ifdebug(META)
- logger(LOG_DEBUG, _("Unknown request from %s (%s): %s"),
+ logger(LOG_DEBUG, "Unknown request from %s (%s): %s",
c->name, c->hostname, c->buffer);
else
- logger(LOG_ERR, _("Unknown request from %s (%s)"),
+ logger(LOG_ERR, "Unknown request from %s (%s)",
c->name, c->hostname);
return false;
} else {
ifdebug(PROTOCOL) {
ifdebug(META)
- logger(LOG_DEBUG, _("Got %s from %s (%s): %s"),
+ logger(LOG_DEBUG, "Got %s from %s (%s): %s",
request_name[request], c->name, c->hostname,
c->buffer);
else
- logger(LOG_DEBUG, _("Got %s from %s (%s)"),
+ logger(LOG_DEBUG, "Got %s from %s (%s)",
request_name[request], c->name, c->hostname);
}
}
if((c->allow_request != ALL) && (c->allow_request != request)) {
- logger(LOG_ERR, _("Unauthorized request from %s (%s)"), c->name,
+ logger(LOG_ERR, "Unauthorized request from %s (%s)", c->name,
c->hostname);
return false;
}
if(!request_handlers[request](c)) {
/* Something went wrong. Probably scriptkiddies. Terminate. */
- logger(LOG_ERR, _("Error while processing %s from %s (%s)"),
+ logger(LOG_ERR, "Error while processing %s from %s (%s)",
request_name[request], c->name, c->hostname);
return false;
}
} else {
- logger(LOG_ERR, _("Bogus data received from %s (%s)"),
+ logger(LOG_ERR, "Bogus data received from %s (%s)",
c->name, c->hostname);
return false;
}
}
bool seen_request(char *request) {
- past_request_t *new, p = {0};
+ past_request_t *new, p = {NULL};
p.request = request;
if(avl_search(past_request_tree, &p)) {
- ifdebug(SCARY_THINGS) logger(LOG_DEBUG, _("Already seen request"));
+ ifdebug(SCARY_THINGS) logger(LOG_DEBUG, "Already seen request");
return true;
} else {
new = xmalloc(sizeof(*new));
next = node->next;
p = node->data;
- if(p->firstseen + pinginterval < now)
+ if(p->firstseen + pinginterval <= now)
avl_delete_node(past_request_tree, node), deleted++;
else
left++;
}
if(left || deleted)
- ifdebug(SCARY_THINGS) logger(LOG_DEBUG, _("Aging past requests: deleted %d, left %d"),
+ ifdebug(SCARY_THINGS) logger(LOG_DEBUG, "Aging past requests: deleted %d, left %d",
deleted, left);
}