gnunet-service-dns.c
gnunet_service_dns_LDADD = \
$(top_builddir)/src/tun/libgnunettun.la \
+ $(top_builddir)/src/mesh/libgnunetmesh.la \
$(top_builddir)/src/statistics/libgnunetstatistics.la \
$(top_builddir)/src/util/libgnunetutil.la \
$(GN_LIBINTL)
[dns]
AUTOSTART = YES
-@UNIXONLY@ PORT = 0
HOSTNAME = localhost
HOME = $SERVICEHOME
CONFIG = $DEFAULTCONFIG
BINARY = gnunet-service-dns
UNIXPATH = /tmp/gnunet-service-dns.sock
+
+# Access to this service can compromise all DNS queries in this
+# system. Thus access should be restricted to the same UID.
+# (see https://gnunet.org/gnunet-access-control-model)
UNIX_MATCH_UID = YES
UNIX_MATCH_GID = YES
+
+# As there is no sufficiently restrictive access control for TCP,
+# we never use it, even if @UNIXONLY@ is not set (just to be safe)
+@UNIXONLY@ PORT = 0
+
+# This option should be set to YES to allow the DNS service to
+# perform lookups against the locally configured DNS resolver.
+# (set to "NO" if no normal ISP is locally available and thus
+# requests for normal ".com"/".org"/etc. must be routed via
+# the GNUnet VPN (the GNUNET PT daemon then needs to be configured
+# to intercept and route DNS queries via mesh).
PROVIDE_EXIT = YES
+
+# Name of the virtual interface we use to intercept DNS traffic.
IFNAME = gnunet-dns
# Use RFC 3849-style documentation IPv6 address (RFC 4773 might provide an alternative in the future)
+# FIXME: or just default to a site-local address scope as we do for VPN!?
IPV6ADDR = 2001:DB8::1
IPV6PREFIX = 126
IPV4ADDR = 169.254.1.1
IPV4MASK = 255.255.0.0
+# Enable GNUnet-wide DNS-EXIT service by setting this value to the IP address (IPv4 or IPv6)
+# of a DNS resolver to use. Only works if "PROVIDE_EXIT" is also set to YES. Must absolutely
+# NOT be an address of any of GNUnet's virtual tunnel interfaces. Use a well-known
+# public DNS resolver or your ISP's resolver from /etc/resolv.conf.
+# DNS_EXIT = 8.8.8.8
+
*/
/**
- * @file dns/dns_new.h
+ * @file dns/dns.h
* @brief IPC messages between DNS API and DNS service
* @author Christian Grothoff
*/
*/
#include "platform.h"
#include "gnunet_util_lib.h"
+#include "gnunet_applications.h"
#include "gnunet_constants.h"
#include "gnunet_protocols.h"
#include "gnunet_signatures.h"
#include "dns.h"
#include "gnunet_dns_service.h"
+#include "gnunet_mesh_service.h"
#include "gnunet_statistics_service.h"
#include "gnunet_tun_lib.h"
};
+
+/**
+ * State we keep for each DNS tunnel that terminates at this node.
+ */
+struct TunnelState
+{
+
+ /**
+ * Associated MESH tunnel.
+ */
+ struct GNUNET_MESH_Tunnel *tunnel;
+
+ /**
+ * Active request for sending a reply.
+ */
+ struct GNUNET_MESH_TransmitHandle *th;
+
+ /**
+ * DNS reply ready for transmission.
+ */
+ char *reply;
+
+ /**
+ * Address we sent the DNS request to.
+ */
+ struct sockaddr_storage addr;
+
+ /**
+ * Number of bytes in 'addr'.
+ */
+ socklen_t addrlen;
+
+ /**
+ * Number of bytes in 'reply'.
+ */
+ size_t reply_length;
+
+ /**
+ * Original DNS request ID as used by the client.
+ */
+ uint16_t original_id;
+
+ /**
+ * DNS request ID that we used for forwarding.
+ */
+ uint16_t my_id;
+};
+
+
/**
* The IPv4 UDP-Socket through which DNS-Resolves will be sent if they are not to be
* sent through gnunet. The port of this socket will not be hijacked.
*/
static struct RequestRecord requests[UINT16_MAX + 1];
+/**
+ * Array of all open requests from tunnels.
+ */
+static struct TunnelState *tunnels[UINT16_MAX + 1];
+
/**
* Generator for unique request IDs.
*/
static uint64_t request_id_gen;
+/**
+ * IP address to use for the DNS server if we are a DNS exit service
+ * (for VPN via mesh); otherwise NULL.
+ */
+static char *dns_exit;
+
+/**
+ * Handle to the MESH service (for receiving DNS queries), or NULL
+ * if we are not a DNS exit.
+ */
+static struct GNUNET_MESH_Handle *mesh;
+
/**
* We're done processing a DNS request, free associated memory.
GNUNET_STATISTICS_destroy (stats, GNUNET_YES);
stats = NULL;
}
+ if (NULL != dns_exit)
+ {
+ GNUNET_free (dns_exit);
+ dns_exit = NULL;
+ }
}
}
+/**
+ * We got a reply from DNS for a request of a MESH tunnel. Send it
+ * via the tunnel (after changing the request ID back).
+ *
+ * @param cls the 'struct TunnelState'
+ * @param size number of bytes available in buf
+ * @param buf where to copy the reply
+ * @return number of bytes written to buf
+ */
+static size_t
+transmit_reply_to_mesh (void *cls,
+ size_t size,
+ void *buf)
+{
+ struct TunnelState *ts = cls;
+ size_t off;
+ size_t ret;
+ char *cbuf = buf;
+ struct GNUNET_MessageHeader hdr;
+ struct GNUNET_TUN_DnsHeader dns;
+
+ ts->th = NULL;
+ GNUNET_assert (ts->reply != NULL);
+ if (size == 0)
+ return 0;
+ ret = sizeof (struct GNUNET_MessageHeader) + ts->reply_length;
+ GNUNET_assert (ret <= size);
+ hdr.size = htons (ret);
+ hdr.type = htons (GNUNET_MESSAGE_TYPE_VPN_DNS_FROM_INTERNET);
+ memcpy (&dns, ts->reply, sizeof (dns));
+ dns.id = ts->original_id;
+ off = 0;
+ memcpy (&cbuf[off], &hdr, sizeof (hdr));
+ off += sizeof (hdr);
+ memcpy (&cbuf[off], &dns, sizeof (dns));
+ off += sizeof (dns);
+ memcpy (&cbuf[off], &ts->reply[sizeof (dns)], ts->reply_length - sizeof (dns));
+ off += ts->reply_length - sizeof (dns);
+ GNUNET_free (ts->reply);
+ ts->reply = NULL;
+ ts->reply_length = 0;
+ GNUNET_assert (ret == off);
+ return ret;
+}
+
+
/**
* Read a DNS response from the (unhindered) UDP-Socket
*
struct GNUNET_TUN_DnsHeader *dns;
socklen_t addrlen;
struct RequestRecord *rr;
+ struct TunnelState *ts;
ssize_t r;
int len;
return;
}
dns = (struct GNUNET_TUN_DnsHeader *) buf;
+ /* Handle case that this is a reply to a request from a MESH DNS tunnel */
+ ts = tunnels[dns->id];
+ if ( (NULL == ts) ||
+ (addrlen != ts->addrlen) ||
+ (0 != memcmp (&ts->addr,
+ addr,
+ addrlen)) )
+ ts = NULL; /* DNS responder address missmatch */
+ if (NULL != ts)
+ {
+ tunnels[dns->id] = NULL;
+ GNUNET_free_non_null (ts->reply);
+ ts->reply = GNUNET_malloc (r);
+ ts->reply_length = r;
+ memcpy (ts->reply, dns, r);
+ if (ts->th != NULL)
+ GNUNET_MESH_notify_transmit_ready_cancel (ts->th);
+ ts->th = GNUNET_MESH_notify_transmit_ready (ts->tunnel,
+ GNUNET_NO, 0,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ NULL,
+ sizeof (struct GNUNET_MessageHeader) + r,
+ &transmit_reply_to_mesh,
+ ts);
+ }
+ /* Handle case that this is a reply to a local request (intercepted from TUN interface) */
rr = &requests[dns->id];
if (rr->phase != RP_INTERNET_DNS)
{
- /* unexpected / bogus reply */
- GNUNET_STATISTICS_update (stats,
- gettext_noop ("# External DNS response discarded (no matching request)"),
- 1, GNUNET_NO);
+ if (NULL == ts)
+ {
+ /* unexpected / bogus reply */
+ GNUNET_STATISTICS_update (stats,
+ gettext_noop ("# External DNS response discarded (no matching request)"),
+ 1, GNUNET_NO);
+ }
return;
}
GNUNET_free_non_null (rr->payload);
- rr->payload = GNUNET_malloc (len);
- memcpy (rr->payload, buf, len);
- rr->payload_length = len;
+ rr->payload = GNUNET_malloc (r);
+ memcpy (rr->payload, buf, r);
+ rr->payload_length = r;
next_phase (rr);
}
}
}
+/**
+ * Process a request via mesh to perform a DNS query.
+ *
+ * @param cls closure, NULL
+ * @param tunnel connection to the other end
+ * @param tunnel_ctx pointer to our 'struct TunnelState *'
+ * @param sender who sent the message
+ * @param message the actual message
+ * @param atsi performance data for the connection
+ * @return GNUNET_OK to keep the connection open,
+ * GNUNET_SYSERR to close it (signal serious error)
+ */
+static int
+receive_dns_request (void *cls GNUNET_UNUSED, struct GNUNET_MESH_Tunnel *tunnel,
+ void **tunnel_ctx,
+ const struct GNUNET_PeerIdentity *sender GNUNET_UNUSED,
+ const struct GNUNET_MessageHeader *message,
+ const struct GNUNET_ATS_Information *atsi GNUNET_UNUSED)
+{
+ struct TunnelState *ts = *tunnel_ctx;
+ const struct GNUNET_TUN_DnsHeader *dns;
+ size_t mlen = ntohs (message->size);
+ size_t dlen = mlen - sizeof (struct GNUNET_MessageHeader);
+ char buf[dlen];
+ struct GNUNET_TUN_DnsHeader *dout;
+ struct sockaddr_in v4;
+ struct sockaddr_in6 v6;
+ struct sockaddr *so;
+ socklen_t salen;
+ struct GNUNET_NETWORK_Handle *dnsout;
+
+ if (dlen < sizeof (struct GNUNET_TUN_DnsHeader))
+ {
+ GNUNET_break_op (0);
+ return GNUNET_SYSERR;
+ }
+ dns = (const struct GNUNET_TUN_DnsHeader *) &message[1];
+ ts->original_id = dns->id;
+ if (tunnels[ts->my_id] == ts)
+ tunnels[ts->my_id] = NULL;
+ ts->my_id = (uint16_t) GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+ 65536);
+ tunnels[ts->my_id] = ts;
+ memcpy (buf, dns, dlen);
+ dout = (struct GNUNET_TUN_DnsHeader*) buf;
+ dout->id = ts->my_id;
+
+ memset (&v4, 0, sizeof (v4));
+ memset (&v6, 0, sizeof (v6));
+ dnsout = NULL;
+ if (1 == inet_pton (AF_INET, dns_exit, &v4.sin_addr))
+ {
+ salen = sizeof (v4);
+ v4.sin_family = AF_INET;
+ v4.sin_port = htons (53);
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ v4.sin_len = (u_char) salen;
+#endif
+ so = (struct sockaddr *) &v4;
+ dnsout = dnsout4;
+ }
+ if (1 == inet_pton (AF_INET6, dns_exit, &v6.sin6_addr))
+ {
+ salen = sizeof (v6);
+ v6.sin6_family = AF_INET6;
+ v6.sin6_port = htons (53);
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ v6.sin6_len = (u_char) salen;
+#endif
+ so = (struct sockaddr *) &v6;
+ dnsout = dnsout6;
+ }
+ if (NULL == dnsout)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Configured DNS exit `%s' is not working / valid.\n"),
+ dns_exit);
+ return GNUNET_SYSERR;
+ }
+ memcpy (&ts->addr,
+ so,
+ salen);
+ ts->addrlen = salen;
+ GNUNET_NETWORK_socket_sendto (dnsout,
+ buf, dlen, so, salen);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Callback from GNUNET_MESH for new tunnels.
+ *
+ * @param cls closure
+ * @param tunnel new handle to the tunnel
+ * @param initiator peer that started the tunnel
+ * @param atsi performance information for the tunnel
+ * @return initial tunnel context for the tunnel
+ */
+static void *
+accept_dns_tunnel (void *cls GNUNET_UNUSED, struct GNUNET_MESH_Tunnel *tunnel,
+ const struct GNUNET_PeerIdentity *initiator GNUNET_UNUSED,
+ const struct GNUNET_ATS_Information *ats GNUNET_UNUSED)
+{
+ struct TunnelState *ts = GNUNET_malloc (sizeof (struct TunnelState));
+
+ GNUNET_STATISTICS_update (stats,
+ gettext_noop ("# Inbound MESH tunnels created"),
+ 1, GNUNET_NO);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received inbound tunnel from `%s'\n",
+ GNUNET_i2s (initiator));
+ ts->tunnel = tunnel;
+ return ts;
+}
+
+
+/**
+ * Function called by mesh whenever an inbound tunnel is destroyed.
+ * Should clean up any associated state.
+ *
+ * @param cls closure (set from GNUNET_MESH_connect)
+ * @param tunnel connection to the other end (henceforth invalid)
+ * @param tunnel_ctx place where local state associated
+ * with the tunnel is stored
+ */
+static void
+destroy_dns_tunnel (void *cls GNUNET_UNUSED,
+ const struct GNUNET_MESH_Tunnel *tunnel,
+ void *tunnel_ctx)
+{
+ struct TunnelState *ts = tunnel_ctx;
+
+ if (tunnels[ts->my_id] == ts)
+ tunnels[ts->my_id] = NULL;
+ if (NULL != ts->th)
+ GNUNET_MESH_notify_transmit_ready_cancel (ts->th);
+ GNUNET_free_non_null (ts->reply);
+ GNUNET_free (ts);
+}
+
+
/**
* @param cls closure
* @param server the initialized server
nc = GNUNET_SERVER_notification_context_create (server, 1);
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task,
cls);
+ (void) GNUNET_CONFIGURATION_get_value_string (cfg, "dns",
+ "DNS_EXIT",
+ &dns_exit);
if (GNUNET_YES ==
GNUNET_CONFIGURATION_get_value_yesno (cfg_, "dns", "PROVIDE_EXIT"))
{
(unsigned int) dnsoutport);
helper_argv[6] = GNUNET_strdup (port_s);
helper_argv[7] = NULL;
+
+ if (NULL != dns_exit)
+ {
+ static struct GNUNET_MESH_MessageHandler mesh_handlers[] = {
+ {&receive_dns_request, GNUNET_MESSAGE_TYPE_VPN_DNS_TO_INTERNET, 0},
+ {NULL, 0, 0}
+ };
+ static GNUNET_MESH_ApplicationType mesh_types[] = {
+ GNUNET_APPLICATION_TYPE_INTERNET_RESOLVER,
+ GNUNET_APPLICATION_TYPE_END
+ };
+ mesh = GNUNET_MESH_connect (cfg,
+ 1, NULL,
+ &accept_dns_tunnel,
+ &destroy_dns_tunnel,
+ mesh_handlers,
+ mesh_types);
+ }
hijacker = GNUNET_HELPER_start ("gnunet-helper-dns",
helper_argv,
&process_helper_messages,
send_packet_to_mesh_tunnel (state->tunnel,
&udp[1], pktlen - sizeof (struct GNUNET_TUN_UdpHeader),
NULL,
- state->serv != NULL
- ? GNUNET_MESSAGE_TYPE_VPN_SERVICE_UDP_BACK
- : GNUNET_MESSAGE_TYPE_VPN_REMOTE_UDP_BACK);
+ GNUNET_MESSAGE_TYPE_VPN_UDP_REPLY);
}
send_packet_to_mesh_tunnel (state->tunnel,
mtcp, pktlen,
NULL,
- state->serv != NULL
- ? GNUNET_MESSAGE_TYPE_VPN_SERVICE_TCP_BACK
- : GNUNET_MESSAGE_TYPE_VPN_REMOTE_TCP_BACK);
+ GNUNET_MESSAGE_TYPE_VPN_TCP_DATA);
}
*/
#define GNUNET_APPLICATION_TYPE_INTERNET_RESOLVER 2
-/**
- * Internet HTTP gateway (port 80).
- */
-#define GNUNET_APPLICATION_TYPE_INTERNET_HTTP_GATEWAY 3
-
-/**
- * Internet HTTPS gateway (port 443).
- */
-#define GNUNET_APPLICATION_TYPE_INTERNET_HTTPS_GATEWAY 4
-
-/**
- * Internet TCP gateway (any port).
- */
-#define GNUNET_APPLICATION_TYPE_INTERNET_TCP_GATEWAY 5
-
-/**
- * Internet UDP gateway (any port).
- */
-#define GNUNET_APPLICATION_TYPE_INTERNET_UDP_GATEWAY 6
-
-/**
- * GNUnet VPN Search Engine (searches HTTP sites hosted within GNUnet) [example]
- */
-#define GNUNET_APPLICATION_TYPE_GNUNET_SEARCH 7
/**
* Internet IPv4 gateway (any TCP/UDP/ICMP).
*/
#define GNUNET_MESSAGE_TYPE_VPN_HELPER 185
-/**
- * Type of messages containing an UDP packet for a service
- */
-#define GNUNET_MESSAGE_TYPE_VPN_SERVICE_UDP 186
-
-/**
- * Type of messages containing an UDP packet from a service
- */
-#define GNUNET_MESSAGE_TYPE_VPN_SERVICE_UDP_BACK 187
-
-/**
- * Type of messages containing an TCP packet for a service
- */
-#define GNUNET_MESSAGE_TYPE_VPN_SERVICE_TCP 188
/**
- * Type of messages containing an TCP packet from a service
+ * Type of messages containing an DNS request for a DNS exit service.
*/
-#define GNUNET_MESSAGE_TYPE_VPN_SERVICE_TCP_BACK 189
+#define GNUNET_MESSAGE_TYPE_VPN_DNS_TO_INTERNET 194
/**
- * Type of messages containing an UDP packet for a remote host
+ * Type of messages containing an DNS reply from a DNS exit service.
*/
-#define GNUNET_MESSAGE_TYPE_VPN_REMOTE_UDP 190
-
-/**
- * Type of messages containing an UDP packet from a remote host
- */
-#define GNUNET_MESSAGE_TYPE_VPN_REMOTE_UDP_BACK 191
-
-/**
- * Type of messages containing an TCP packet for a remote host
- */
-#define GNUNET_MESSAGE_TYPE_VPN_REMOTE_TCP 192
-
-/**
- * Type of messages containing an TCP packet from a remote host
- */
-#define GNUNET_MESSAGE_TYPE_VPN_REMOTE_TCP_BACK 193
-
-
+#define GNUNET_MESSAGE_TYPE_VPN_DNS_FROM_INTERNET 195
/**
* Type of messages containing an TCP packet for a service.
* VPN-DNS message types
******************************************************************************/
-/**
- * Type of messages to query the local service-dns
- */
-#define GNUNET_MESSAGE_TYPE_VPN_DNS_LOCAL_QUERY_DNS 205
-/**
- * Type of messages the local service-dns responds with
- */
-#define GNUNET_MESSAGE_TYPE_VPN_DNS_LOCAL_RESPONSE_DNS 206
-/**
- * Type of messages to instruct the local service-dns to rehijack the dns
- */
-#define GNUNET_MESSAGE_TYPE_REHIJACK 207
-/**
- * Type of messages to send a DNS-query to another peer
- */
-#define GNUNET_MESSAGE_TYPE_VPN_REMOTE_QUERY_DNS 208
-/**
- * Type of messages to send a DNS-answer to another peer
- */
-#define GNUNET_MESSAGE_TYPE_VPN_REMOTE_ANSWER_DNS 209
/**
* Initial message from client to DNS service for registration.
*/
#define GNUNET_MESSAGE_TYPE_MESH_HELLO 216
-
/**
* Request the creation of a path
*/
+++ /dev/null
-#! /bin/bash
-
-# gnunet-daemon-pt - temporary wrapper script for .libs/gnunet-daemon-pt
-# Generated by libtool (GNU libtool) 2.4.2 Debian-2.4.2-1
-#
-# The gnunet-daemon-pt program cannot be directly executed until all the libtool
-# libraries that it depends on are installed.
-#
-# This wrapper script should never be moved out of the build directory.
-# If it is, it will not operate correctly.
-
-# Sed substitution that helps us do robust quoting. It backslashifies
-# metacharacters that are still active within double-quoted strings.
-sed_quote_subst='s/\([`"$\\]\)/\\\1/g'
-
-# Be Bourne compatible
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
- emulate sh
- NULLCMD=:
- # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
- # is contrary to our usage. Disable this feature.
- alias -g '${1+"$@"}'='"$@"'
- setopt NO_GLOB_SUBST
-else
- case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
-fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
-
-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-relink_command="(cd /home/grothoff/svn/gnunet/src/pt; { test -z \"\${LIBRARY_PATH+set}\" || unset LIBRARY_PATH || { LIBRARY_PATH=; export LIBRARY_PATH; }; }; { test -z \"\${COMPILER_PATH+set}\" || unset COMPILER_PATH || { COMPILER_PATH=; export COMPILER_PATH; }; }; { test -z \"\${GCC_EXEC_PREFIX+set}\" || unset GCC_EXEC_PREFIX || { GCC_EXEC_PREFIX=; export GCC_EXEC_PREFIX; }; }; { test -z \"\${LD_RUN_PATH+set}\" || unset LD_RUN_PATH || { LD_RUN_PATH=; export LD_RUN_PATH; }; }; LD_LIBRARY_PATH=/home/grothoff/lib; export LD_LIBRARY_PATH; PATH=/opt/jdk1.6.0_22/bin/:/home/grothoff/bin/:/usr/local/bin:/usr/bin:/bin:/usr/games:.; export PATH; gcc -fno-strict-aliasing -Wall -g -O0 -Wall -o \$progdir/\$file gnunet-daemon-pt.o -L/home/grothoff//lib ../../src/vpn/.libs/libgnunetvpn.so ../../src/dns/.libs/libgnunetdns.so ../../src/dns/.libs/libgnunetdnsparser.so ../../src/statistics/.libs/libgnunetstatistics.so ../../src/util/.libs/libgnunetutil.so ../../src/mesh/.libs/libgnunetmesh.so -lm -ldl -Wl,-rpath -Wl,/home/grothoff/svn/gnunet/src/vpn/.libs -Wl,-rpath -Wl,/home/grothoff/svn/gnunet/src/dns/.libs -Wl,-rpath -Wl,/home/grothoff/svn/gnunet/src/statistics/.libs -Wl,-rpath -Wl,/home/grothoff/svn/gnunet/src/util/.libs -Wl,-rpath -Wl,/home/grothoff/svn/gnunet/src/mesh/.libs -Wl,-rpath -Wl,/home/grothoff/lib)"
-
-# This environment variable determines our operation mode.
-if test "$libtool_install_magic" = "%%%MAGIC variable%%%"; then
- # install mode needs the following variables:
- generated_by_libtool_version='2.4.2'
- notinst_deplibs=' ../../src/vpn/libgnunetvpn.la ../../src/dns/libgnunetdns.la ../../src/dns/libgnunetdnsparser.la ../../src/statistics/libgnunetstatistics.la ../../src/util/libgnunetutil.la ../../src/mesh/libgnunetmesh.la'
-else
- # When we are sourced in execute mode, $file and $ECHO are already set.
- if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then
- file="$0"
-
-# A function that is used when there is no print builtin or printf.
-func_fallback_echo ()
-{
- eval 'cat <<_LTECHO_EOF
-$1
-_LTECHO_EOF'
-}
- ECHO="printf %s\\n"
- fi
-
-# Very basic option parsing. These options are (a) specific to
-# the libtool wrapper, (b) are identical between the wrapper
-# /script/ and the wrapper /executable/ which is used only on
-# windows platforms, and (c) all begin with the string --lt-
-# (application programs are unlikely to have options which match
-# this pattern).
-#
-# There are only two supported options: --lt-debug and
-# --lt-dump-script. There is, deliberately, no --lt-help.
-#
-# The first argument to this parsing function should be the
-# script's ../../libtool value, followed by no.
-lt_option_debug=
-func_parse_lt_options ()
-{
- lt_script_arg0=$0
- shift
- for lt_opt
- do
- case "$lt_opt" in
- --lt-debug) lt_option_debug=1 ;;
- --lt-dump-script)
- lt_dump_D=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%/[^/]*$%%'`
- test "X$lt_dump_D" = "X$lt_script_arg0" && lt_dump_D=.
- lt_dump_F=`$ECHO "X$lt_script_arg0" | /bin/sed -e 's/^X//' -e 's%^.*/%%'`
- cat "$lt_dump_D/$lt_dump_F"
- exit 0
- ;;
- --lt-*)
- $ECHO "Unrecognized --lt- option: '$lt_opt'" 1>&2
- exit 1
- ;;
- esac
- done
-
- # Print the debug banner immediately:
- if test -n "$lt_option_debug"; then
- echo "gnunet-daemon-pt:gnunet-daemon-pt:${LINENO}: libtool wrapper (GNU libtool) 2.4.2 Debian-2.4.2-1" 1>&2
- fi
-}
-
-# Used when --lt-debug. Prints its arguments to stdout
-# (redirection is the responsibility of the caller)
-func_lt_dump_args ()
-{
- lt_dump_args_N=1;
- for lt_arg
- do
- $ECHO "gnunet-daemon-pt:gnunet-daemon-pt:${LINENO}: newargv[$lt_dump_args_N]: $lt_arg"
- lt_dump_args_N=`expr $lt_dump_args_N + 1`
- done
-}
-
-# Core function for launching the target application
-func_exec_program_core ()
-{
-
- if test -n "$lt_option_debug"; then
- $ECHO "gnunet-daemon-pt:gnunet-daemon-pt:${LINENO}: newargv[0]: $progdir/$program" 1>&2
- func_lt_dump_args ${1+"$@"} 1>&2
- fi
- exec "$progdir/$program" ${1+"$@"}
-
- $ECHO "$0: cannot exec $program $*" 1>&2
- exit 1
-}
-
-# A function to encapsulate launching the target application
-# Strips options in the --lt-* namespace from $@ and
-# launches target application with the remaining arguments.
-func_exec_program ()
-{
- case " $* " in
- *\ --lt-*)
- for lt_wr_arg
- do
- case $lt_wr_arg in
- --lt-*) ;;
- *) set x "$@" "$lt_wr_arg"; shift;;
- esac
- shift
- done ;;
- esac
- func_exec_program_core ${1+"$@"}
-}
-
- # Parse options
- func_parse_lt_options "$0" ${1+"$@"}
-
- # Find the directory that this script lives in.
- thisdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'`
- test "x$thisdir" = "x$file" && thisdir=.
-
- # Follow symbolic links until we get to the real thisdir.
- file=`ls -ld "$file" | /bin/sed -n 's/.*-> //p'`
- while test -n "$file"; do
- destdir=`$ECHO "$file" | /bin/sed 's%/[^/]*$%%'`
-
- # If there was a directory component, then change thisdir.
- if test "x$destdir" != "x$file"; then
- case "$destdir" in
- [\\/]* | [A-Za-z]:[\\/]*) thisdir="$destdir" ;;
- *) thisdir="$thisdir/$destdir" ;;
- esac
- fi
-
- file=`$ECHO "$file" | /bin/sed 's%^.*/%%'`
- file=`ls -ld "$thisdir/$file" | /bin/sed -n 's/.*-> //p'`
- done
-
- # Usually 'no', except on cygwin/mingw when embedded into
- # the cwrapper.
- WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=no
- if test "$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR" = "yes"; then
- # special case for '.'
- if test "$thisdir" = "."; then
- thisdir=`pwd`
- fi
- # remove .libs from thisdir
- case "$thisdir" in
- *[\\/].libs ) thisdir=`$ECHO "$thisdir" | /bin/sed 's%[\\/][^\\/]*$%%'` ;;
- .libs ) thisdir=. ;;
- esac
- fi
-
- # Try to get the absolute directory name.
- absdir=`cd "$thisdir" && pwd`
- test -n "$absdir" && thisdir="$absdir"
-
- program=lt-'gnunet-daemon-pt'
- progdir="$thisdir/.libs"
-
- if test ! -f "$progdir/$program" ||
- { file=`ls -1dt "$progdir/$program" "$progdir/../$program" 2>/dev/null | /bin/sed 1q`; \
- test "X$file" != "X$progdir/$program"; }; then
-
- file="$$-$program"
-
- if test ! -d "$progdir"; then
- mkdir "$progdir"
- else
- rm -f "$progdir/$file"
- fi
-
- # relink executable if necessary
- if test -n "$relink_command"; then
- if relink_command_output=`eval $relink_command 2>&1`; then :
- else
- printf %s\n "$relink_command_output" >&2
- rm -f "$progdir/$file"
- exit 1
- fi
- fi
-
- mv -f "$progdir/$file" "$progdir/$program" 2>/dev/null ||
- { rm -f "$progdir/$program";
- mv -f "$progdir/$file" "$progdir/$program"; }
- rm -f "$progdir/$file"
- fi
-
- if test -f "$progdir/$program"; then
- if test "$libtool_execute_magic" != "%%%MAGIC variable%%%"; then
- # Run the actual program with our arguments.
- func_exec_program ${1+"$@"}
- fi
- else
- # The program doesn't exist.
- $ECHO "$0: error: \`$progdir/$program' does not exist" 1>&2
- $ECHO "This script is just a wrapper for $program." 1>&2
- $ECHO "See the libtool documentation for more information." 1>&2
- exit 1
- fi
-fi
{
static const struct GNUNET_SERVER_MessageHandler service_handlers[] = {
/* callback, cls, type, size */
- {&service_redirect_to_ip, NULL, GNUNET_MESSAGE_TYPE_VPN_CLIENT_REDIRECT_TO_IP, 0},
- {&service_redirect_to_service, NULL,
+ { &service_redirect_to_ip, NULL, GNUNET_MESSAGE_TYPE_VPN_CLIENT_REDIRECT_TO_IP, 0},
+ { &service_redirect_to_service, NULL,
GNUNET_MESSAGE_TYPE_VPN_CLIENT_REDIRECT_TO_SERVICE,
sizeof (struct RedirectToServiceRequestMessage) },
{NULL, NULL, 0, 0}
};
static const struct GNUNET_MESH_MessageHandler mesh_handlers[] = {
- {receive_udp_back, GNUNET_MESSAGE_TYPE_VPN_SERVICE_UDP_BACK, 0},
- {receive_tcp_back, GNUNET_MESSAGE_TYPE_VPN_SERVICE_TCP_BACK, 0},
- {receive_udp_back, GNUNET_MESSAGE_TYPE_VPN_REMOTE_UDP_BACK, 0},
- {receive_tcp_back, GNUNET_MESSAGE_TYPE_VPN_REMOTE_TCP_BACK, 0},
+ { &receive_udp_back, GNUNET_MESSAGE_TYPE_VPN_UDP_REPLY, 0},
+ { &receive_tcp_back, GNUNET_MESSAGE_TYPE_VPN_TCP_DATA, 0},
{NULL, 0, 0}
};
static const GNUNET_MESH_ApplicationType types[] = {
projects / oweals / gnunet.git / commitdiff