#include "gnunet_nat_lib.h"
#include "nat.h"
-#define DEBUG_NAT GNUNET_NO
+#define LOG(kind,...) GNUNET_log_from (kind, "nat", __VA_ARGS__)
/**
* How long do we give upnpc to create a mapping?
{
struct GNUNET_NAT_ExternalHandle *eh;
+ if (GNUNET_SYSERR == GNUNET_OS_check_helper_binary ("external-ip"))
+ return NULL;
eh = GNUNET_malloc (sizeof (struct GNUNET_NAT_ExternalHandle));
eh->cb = cb;
eh->cb_cls = cb_cls;
- eh->opipe = GNUNET_DISK_pipe (GNUNET_YES, GNUNET_NO, GNUNET_YES);
+ eh->opipe = GNUNET_DISK_pipe (GNUNET_YES, GNUNET_YES, GNUNET_NO, GNUNET_YES);
if (NULL == eh->opipe)
{
GNUNET_free (eh);
return NULL;
}
eh->eip =
- GNUNET_OS_start_process (NULL, eh->opipe, "external-ip", "external-ip",
+ GNUNET_OS_start_process (GNUNET_NO, NULL, eh->opipe, "external-ip", "external-ip",
NULL);
if (NULL == eh->eip)
{
}
/*
* we're looking for output of the form:
- *
+ *
* "0 TCP 3000->192.168.2.150:3000 'libminiupnpc' ''"
* "1 UDP 3001->192.168.2.150:3001 'libminiupnpc' ''"
- *
+ *
* the pattern we look for is:
- *
+ *
* "%s TCP PORT->STRING:OURPORT *" or
* "%s UDP PORT->STRING:OURPORT *"
*/
if (NULL == strstr (s, pstr))
return; /* skip */
if (1 !=
- sscanf (line,
+ SSCANF (line,
(mini->is_tcp) ? "%*u TCP %u->%*s:%*u %*s" :
"%*u UDP %u->%*s:%*u %*s", &nport))
return; /* skip */
}
/*
* The upnpc output we're after looks like this:
- *
+ *
* "external 87.123.42.204:3000 TCP is redirected to internal 192.168.2.150:3000"
*/
if ((NULL == (ipaddr = strstr (line, " "))) ||
(NULL == (pstr = strstr (ipaddr, ":"))) ||
- (1 != sscanf (pstr + 1, "%u", &port)))
+ (1 != SSCANF (pstr + 1, "%u", &port)))
{
return; /* skip line */
}
* general-purpose 'GNUNET_NAT_register' code). However, it can be
* used if specifically UPnP-based NAT traversal is to be used or
* tested.
- *
+ *
* @param port port to map
* @param is_tcp GNUNET_YES to map TCP, GNUNET_NO for UDP
* @param ac function to call with mapping result
if (NULL == line)
{
#if DEBUG_NAT
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "nat", "UPnP unmap done\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "UPnP unmap done\n");
#endif
GNUNET_OS_command_stop (mini->unmap_cmd);
mini->unmap_cmd = NULL;
* this function will give 'upnpc' 1s to remove tha mapping,
* so while this function is non-blocking, a task will be
* left with the scheduler for up to 1s past this call.
- *
+ *
* @param mini the handle
*/
void
GNUNET_snprintf (pstr, sizeof (pstr), "%u",
(unsigned int) ntohs (mini->current_addr.sin_port));
#if DEBUG_NAT
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "nat",
- "Unmapping port %u with UPnP\n",
- ntohs (mini->current_addr.sin_port));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Unmapping port %u with UPnP\n",
+ ntohs (mini->current_addr.sin_port));
#endif
mini->unmap_cmd =
GNUNET_OS_command_run (&process_unmap_output, mini, UNMAP_TIMEOUT,