/*
This file is part of GNUnet.
- (C) 2010 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
uint16_t crc;
};
+/**
+ * Will this binary be run in permissions testing mode?
+ */
+static boolean privilege_testing = FALSE;
/**
* Socket we use to send our ICMP packets.
struct in_addr external;
struct in_addr target;
WSADATA wsaData;
-
unsigned int p;
+ if (argc > 1 && 0 != strcmp (argv[1], "-d")){
+ privilege_testing = TRUE;
+ fprintf (stderr,
+ "%s",
+ "DEBUG: Running binary in privilege testing mode.");
+ argv++;
+ argc--;
+ }
+
if (argc != 4)
{
fprintf (stderr,
- "This program must be started with our IP, the targets external IP, and our port as arguments.\n");
+ "%s",
+ "This program must be started with our IP, the targets external IP, and our port as arguments.\n");
return 1;
}
if ((1 != inet_pton (AF_INET, argv[1], &external)) ||
(1 != inet_pton (AF_INET, argv[2], &target)))
{
- fprintf (stderr, "Error parsing IPv4 address: %s\n", strerror (errno));
+ fprintf (stderr,
+ "Error parsing IPv4 address: %s\n",
+ strerror (errno));
return 1;
}
if ((1 != sscanf (argv[3], "%u", &p)) || (0 == p) || (0xFFFF < p))
{
- fprintf (stderr, "Error parsing port value `%s'\n", argv[3]);
+ fprintf (stderr,
+ "Error parsing port value `%s'\n",
+ argv[3]);
return 1;
}
port = (uint16_t) p;
if (0 != WSAStartup (MAKEWORD (2, 1), &wsaData))
{
- fprintf (stderr, "Failed to find Winsock 2.1 or better.\n");
+ fprintf (stderr,
+ "%s",
+ "Failed to find Winsock 2.1 or better.\n");
return 2;
}
if (1 != inet_pton (AF_INET, DUMMY_IP, &dummy))
{
- fprintf (stderr, "Internal error converting dummy IP to binary.\n");
+ fprintf (stderr,
+ "%s",
+ "Internal error converting dummy IP to binary.\n");
return 2;
}
if (-1 == (rawsock = make_raw_socket ()))
return 3;
- send_icmp (&external, &target);
- send_icmp_udp (&external, &target);
+ if (!privilege_testing){
+ send_icmp (&external, &target);
+ send_icmp_udp (&external, &target);
+ }
closesocket (rawsock);
WSACleanup ();
return 0;