#include "gnunet_protocols.h"
#include "gnunet_resolver_service.h"
#include "gnunet_server_lib.h"
-#include "gnunet_service_lib.h"
#include "gnunet_signatures.h"
#include "gnunet_statistics_service.h"
#include "gnunet_transport_service.h"
-#include "plugin_transport.h"
+#include "gnunet_transport_plugin.h"
#include "transport.h"
#define DEBUG_UDP GNUNET_YES
*/
struct LocalAddrList
{
-
+
/**
* This is a doubly linked list.
*/
struct UDP_Sock_Info
{
/**
- * The network handle
+ * The network handle
*/
struct GNUNET_NETWORK_Handle *desc;
/**
- * The port we bound to
+ * The port we bound to
*/
uint16_t port;
};
*/
struct GNUNET_TRANSPORT_PluginEnvironment *env;
- /**
- * Handle to the network service.
- */
- struct GNUNET_SERVICE_Context *service;
-
/*
* Session of peers with whom we are currently connected
*/
*/
char *internal_address;
+ /**
+ * Address we were told to bind to exclusively (IPv4).
+ */
+ char *bind_address;
+
+ /**
+ * Address we were told to bind to exclusively (IPv6).
+ */
+ char *bind6_address;
+
/**
* List of our IP addresses.
*/
struct LocalAddrList *lal_head;
-
+
/**
* Tail of our IP address list.
- */
+ */
struct LocalAddrList *lal_tail;
/**
/**
* The process id of the server process (if behind NAT)
*/
- pid_t server_pid;
+ struct GNUNET_OS_Process *server_proc;
};
if (plugin->select_task != GNUNET_SCHEDULER_NO_TASK)
{
- GNUNET_SCHEDULER_cancel (plugin->env->sched, plugin->select_task);
+ GNUNET_SCHEDULER_cancel (plugin->select_task);
plugin->select_task = GNUNET_SCHEDULER_NO_TASK;
}
if (plugin->udp_sockv4.desc != NULL)
}
if (plugin->behind_nat == GNUNET_YES)
{
- if (0 != PLIBC_KILL (plugin->server_pid, SIGTERM))
+ if (0 != GNUNET_OS_process_kill (plugin->server_proc, SIGTERM))
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
- GNUNET_OS_process_wait (plugin->server_pid);
+ GNUNET_OS_process_wait (plugin->server_proc);
+ GNUNET_OS_process_close (plugin->server_proc);
+ plugin->server_proc = NULL;
}
return GNUNET_OK;
}
struct PeerSession *
-find_session (struct Plugin *plugin,
+find_session (struct Plugin *plugin,
const struct GNUNET_PeerIdentity *peer)
{
struct PeerSession *pos;
if ((addr == NULL) || (addrlen == 0))
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"udp_real_send called without address, returning!\n");
#endif
if (cont != NULL)
GNUNET_NETWORK_socket_sendto (send_handle, message, ssize,
sb,
sbs);
+ if (GNUNET_SYSERR == sent)
+ GNUNET_log_strerror(GNUNET_ERROR_TYPE_DEBUG, "sendto");
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"UDP transmit %u-byte message to %s (%d: %s)\n",
(unsigned int) ssize,
- GNUNET_a2s (sb, sbs),
+ GNUNET_a2s (sb, sbs),
(int) sent,
(sent < 0) ? STRERROR (errno) : "ok");
if (cont != NULL)
char addr_buf[INET_ADDRSTRLEN];
char *address_as_string;
char *port_as_string;
- pid_t pid;
+ struct GNUNET_OS_Process *proc;
const struct IPv4UdpAddress *t4;
GNUNET_assert(addrlen == sizeof(struct IPv4UdpAddress));
t4 = (struct IPv4UdpAddress *)addr;
if (NULL == inet_ntop (AF_INET,
- &t4->u_port,
+ &t4->ipv4_addr,
addr_buf, INET_ADDRSTRLEN))
{
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "inet_ntop");
address_as_string = GNUNET_strdup (addr_buf);
GNUNET_asprintf(&port_as_string, "%d", plugin->port);
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Running gnunet-nat-client with arguments: %s %s %d\n"), plugin->external_address, address_as_string, plugin->port);
#endif
/* Start the server process */
- pid = GNUNET_OS_start_process(NULL, NULL, "gnunet-nat-client", "gnunet-nat-client", plugin->external_address, address_as_string, port_as_string, NULL);
+ proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-nat-client", "gnunet-nat-client", plugin->external_address, address_as_string, port_as_string, NULL);
GNUNET_free(address_as_string);
GNUNET_free(port_as_string);
- GNUNET_OS_process_wait (pid);
+ if (proc != NULL)
+ {
+ GNUNET_OS_process_wait (proc);
+ GNUNET_OS_process_close (proc);
+ proc = NULL;
+ }
}
/**
peer_session->messages->cont = cont;
peer_session->messages->cont_cls = cont_cls;
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Other peer is NAT'd, set up peer session for peer %s\n"), GNUNET_i2s(target));
#endif
run_gnunet_nat_client(plugin, addr, addrlen);
target,
msgbuf, msgbuf_size,
priority, timeout,
- peer_session->connect_addr, peer_session->connect_alen,
+ peer_session->connect_addr, peer_session->connect_alen,
cont, cont_cls);
}
else /* Haven't gotten a response from this peer, queue message */
}
else if (other_peer_natd == GNUNET_NO) /* Other peer not behind a NAT, so we can just send the message as is */
{
- sent = udp_real_send(cls,
- (addrlen == sizeof (struct IPv4UdpAddress)) ? plugin->udp_sockv4.desc : plugin->udp_sockv6.desc,
+ sent = udp_real_send(cls,
+ (addrlen == sizeof (struct IPv4UdpAddress)) ? plugin->udp_sockv4.desc : plugin->udp_sockv6.desc,
target,
msgbuf, msgbuf_size,
- priority, timeout, addr, addrlen,
+ priority, timeout, addr, addrlen,
cont, cont_cls);
}
else /* Other peer is NAT'd, but we don't want to play with them (or can't!) */
void *arg;
uint16_t args;
void *addr_nat;
+ char buf[INET6_ADDRSTRLEN];
addr_nat = NULL;
af = addr->sa_family;
+
+ memset(buf, 0, INET6_ADDRSTRLEN);
if (af == AF_INET)
{
t4.ipv4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
+ GNUNET_assert(NULL != inet_ntop(AF_INET, &t4.ipv4_addr, &buf[0], INET_ADDRSTRLEN));
+ if ((plugin->bind6_address != NULL) || ((plugin->bind_address != NULL) && (0 != strcmp(buf, plugin->bind_address))))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s: Not notifying transport of address %s\n", "UDP", GNUNET_a2s (addr, addrlen));
+ return GNUNET_OK;
+ }
add_to_address_list (plugin, &t4.ipv4_addr, sizeof (uint32_t));
if ((plugin->behind_nat == GNUNET_YES) && (plugin->only_nat_addresses == GNUNET_YES))
{
else if (plugin->behind_nat == GNUNET_YES) /* We are behind NAT, but will advertise NAT and normal addresses */
{
addr_nat = GNUNET_malloc(sizeof(t4));
+ t4.u_port = htons (DEFAULT_NAT_PORT);
memcpy(addr_nat, &t4, sizeof(t4));
t4.u_port = plugin->port;
- ((struct IPv4UdpAddress *)addr_nat)->u_port = htons(DEFAULT_NAT_PORT);
}
else
{
memcpy (&t6.ipv6_addr,
&((struct sockaddr_in6 *) addr)->sin6_addr,
sizeof (struct in6_addr));
+ GNUNET_assert(NULL != inet_ntop(AF_INET6, &t6.ipv6_addr, &buf[0], INET6_ADDRSTRLEN));
+ if (((plugin->bind_address != NULL) && (0 != strcmp(buf, plugin->bind_address)))
+ || ((plugin->bind6_address != NULL) && (0 != strcmp(buf, plugin->bind6_address))))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s: Not notifying transport of address %s\n", "UDP", GNUNET_a2s (addr, addrlen));
+ return GNUNET_OK;
+ }
add_to_address_list (plugin, &t6.ipv6_addr, sizeof (struct in6_addr));
if ((plugin->behind_nat == GNUNET_YES) && (plugin->only_nat_addresses == GNUNET_YES))
{
- t6.u6_port = htons (0);
+ t6.u6_port = htons (DEFAULT_NAT_PORT);
}
else if (plugin->behind_nat == GNUNET_YES)
{
addr_nat = GNUNET_malloc(sizeof(t6));
+ t6.u6_port = htons (DEFAULT_NAT_PORT);
memcpy(addr_nat, &t6, sizeof(t6));
t6.u6_port = plugin->port;
- ((struct IPv6UdpAddress *)addr_nat)->u6_port = htons(DEFAULT_NAT_PORT);
}
else
{
GNUNET_break (0);
return GNUNET_OK;
}
-
+
GNUNET_log (GNUNET_ERROR_TYPE_INFO |
GNUNET_ERROR_TYPE_BULK,
_("Found address `%s' (%s)\n"),
GNUNET_a2s (addr, addrlen), name);
-
+
if (addr_nat != NULL)
{
plugin->env->notify_address (plugin->env->cls,
GNUNET_a2s (addr_nat, args), name);
GNUNET_free(addr_nat);
}
-
+
plugin->env->notify_address (plugin->env->cls,
"udp",
arg, args, GNUNET_TIME_UNIT_FOREVER_REL);
probe->addr.u_port = htons(plugin->port);
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Sending a probe to port %d\n"), ntohs(probe->addr.u_port));
#endif
probe->count++;
- udp_real_send(plugin,
- plugin->udp_sockv4.desc,
+ udp_real_send(plugin,
+ plugin->udp_sockv4.desc,
NULL,
- (char *)&message, ntohs(message.header.size), 0,
- GNUNET_TIME_relative_get_unit(),
+ (char *)&message, ntohs(message.header.size), 0,
+ GNUNET_TIME_relative_get_unit(),
&probe->addr, sizeof(struct IPv4UdpAddress),
&udp_probe_continuation, probe);
}
udp_probe_continuation (void *cls, const struct GNUNET_PeerIdentity *target, int result)
{
struct UDP_NAT_Probes *probe = cls;
- struct Plugin *plugin = probe->plugin;
+ /*struct Plugin *plugin = probe->plugin;*/
if ((result == GNUNET_OK) && (probe->count < MAX_PROBES))
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Scheduling next probe for 10000 milliseconds\n"));
#endif
- probe->task = GNUNET_SCHEDULER_add_delayed(plugin->env->sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 10000), &send_udp_probe_message, probe);
+ probe->task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 10000), &send_udp_probe_message, probe);
}
else /* Destroy the probe context. */
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Sending probe didn't go well...\n"));
#endif
}
char *port_start;
struct IPv4UdpAddress a4;
- if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+ if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
return;
bytes = GNUNET_DISK_file_read(plugin->server_stdout_handle, &mybuf, sizeof(mybuf));
if (bytes < 1)
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Finished reading from server stdout with code: %d\n"), bytes);
#endif
return;
}
- port = 0;
port_start = NULL;
for (i = 0; i < sizeof(mybuf); i++)
{
else
{
plugin->server_read_task =
- GNUNET_SCHEDULER_add_read_file (plugin->env->sched,
- GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
plugin->server_stdout_handle, &udp_plugin_server_read, plugin);
return;
}
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("nat-server-read read: %s port %d\n"), &mybuf, port);
#endif
if (inet_pton(AF_INET, &mybuf[0], &a4.ipv4_addr) != 1)
{
- GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_("nat-server-read malformed address\n"), &mybuf, port);
plugin->server_read_task =
- GNUNET_SCHEDULER_add_read_file (plugin->env->sched,
- GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
plugin->server_stdout_handle, &udp_plugin_server_read, plugin);
return;
}
temp_probe->addr.u_port = htons(port);
temp_probe->next = plugin->probes;
temp_probe->plugin = plugin;
- temp_probe->task = GNUNET_SCHEDULER_add_delayed(plugin->env->sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 500), &send_udp_probe_message, temp_probe);
+ temp_probe->task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 500), &send_udp_probe_message, temp_probe);
plugin->probes = temp_probe;
}
plugin->server_read_task =
- GNUNET_SCHEDULER_add_read_file (plugin->env->sched,
- GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
plugin->server_stdout_handle, &udp_plugin_server_read, plugin);
}
* @param sockinfo which socket did we receive the message on
*/
static void
-udp_demultiplexer(struct Plugin *plugin, struct GNUNET_PeerIdentity *sender,
+udp_demultiplexer(struct Plugin *plugin,
+ struct GNUNET_PeerIdentity *sender,
const struct GNUNET_MessageHeader *currhdr,
const void *sender_addr,
size_t fromlen, struct UDP_Sock_Info *sockinfo)
{
struct UDP_NAT_ProbeMessageReply *outgoing_probe_reply;
struct UDP_NAT_ProbeMessageConfirmation *outgoing_probe_confirmation;
-
char addr_buf[INET_ADDRSTRLEN];
struct UDP_NAT_Probes *outgoing_probe;
struct PeerSession *peer_session;
outgoing_probe_reply->header.type = htons(GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_NAT_PROBE_REPLY);
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
- _("Received a probe on listen port %d, sent_from port %d\n"),
- sockinfo->port, incoming_port);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Received a probe on listen port %d, sent_from port %d\n"),
+ sockinfo->port, incoming_port);
#endif
udp_real_send(plugin, sockinfo->desc, NULL,
NULL, NULL);
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
- _("Sent PROBE REPLY to port %d on outgoing port %d\n"),
- incoming_port, sockinfo->port);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Sent PROBE REPLY to port %d on outgoing port %d\n"),
+ incoming_port, sockinfo->port);
#endif
GNUNET_free(outgoing_probe_reply);
break;
case GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_NAT_PROBE_REPLY:
/* Check for existing probe, check ports returned, send confirmation if all is well */
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
- _("Received PROBE REPLY from port %d on incoming port %d\n"), incoming_port, sockinfo->port);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Received PROBE REPLY from port %d on incoming port %d\n"), incoming_port, sockinfo->port);
#endif
- if (sizeof(sender_addr) == sizeof(struct IPv4UdpAddress))
+ if (fromlen == sizeof(struct IPv4UdpAddress))
{
memset(&addr_buf, 0, sizeof(addr_buf));
- if (NULL == inet_ntop (AF_INET,
+ if (NULL == inet_ntop (AF_INET,
&((struct IPv4UdpAddress *) sender_addr)->ipv4_addr, addr_buf,
INET_ADDRSTRLEN))
{
if (outgoing_probe != NULL)
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
- _("Sending confirmation that we were reached!\n"));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Sending confirmation that we were reached!\n"));
#endif
outgoing_probe_confirmation = GNUNET_malloc(sizeof(struct UDP_NAT_ProbeMessageConfirmation));
outgoing_probe_confirmation->header.size = htons(sizeof(struct UDP_NAT_ProbeMessageConfirmation));
outgoing_probe_confirmation->header.type = htons(GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_NAT_PROBE_CONFIRM);
- udp_real_send(plugin, sockinfo->desc, NULL,
- (char *)outgoing_probe_confirmation,
- ntohs(outgoing_probe_confirmation->header.size), 0,
- GNUNET_TIME_relative_get_unit(),
+ udp_real_send(plugin, sockinfo->desc, NULL,
+ (char *)outgoing_probe_confirmation,
+ ntohs(outgoing_probe_confirmation->header.size), 0,
+ GNUNET_TIME_relative_get_unit(),
sender_addr, fromlen, NULL, NULL);
if (outgoing_probe->task != GNUNET_SCHEDULER_NO_TASK)
{
- GNUNET_SCHEDULER_cancel(plugin->env->sched, outgoing_probe->task);
+ GNUNET_SCHEDULER_cancel(outgoing_probe->task);
outgoing_probe->task = GNUNET_SCHEDULER_NO_TASK;
/* Schedule task to timeout and remove probe if confirmation not received */
}
else
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, "udp",
- _("Received a probe reply, but have no record of a sent probe!\n"));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Received a probe reply, but have no record of a sent probe!\n"));
#endif
}
}
+ else
+ {
+#if DEBUG_UDP
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Received a probe reply, but sender address size is WRONG (should be %d, is %d)!\n"), sizeof(struct IPv4UdpAddress), fromlen);
+#endif
+ }
break;
case GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_NAT_PROBE_CONFIRM:
peer_session = find_session(plugin, sender);
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
- _("Looking up peer session for peer %s\n"), GNUNET_i2s(sender));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Looking up peer session for peer %s\n"), GNUNET_i2s(sender));
#endif
if (peer_session == NULL) /* Shouldn't this NOT happen? */
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp",
- _("Peer not in list, adding (THIS MAY BE A MISTAKE) %s\n"), GNUNET_i2s(sender));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Peer not in list, adding (THIS MAY BE A MISTAKE) %s\n"), GNUNET_i2s(sender));
#endif
peer_session = GNUNET_malloc(sizeof(struct PeerSession));
peer_session->connect_addr = GNUNET_malloc(fromlen);
}
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, "udp",
- _("Received a probe confirmation, will send to peer on port %d\n"), incoming_port);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Received a probe confirmation, will send to peer on port %d\n"), incoming_port);
#endif
if (peer_session->messages != NULL)
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, "udp",
- _("Received a probe confirmation, sending queued messages.\n"));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Received a probe confirmation, sending queued messages.\n"));
#endif
pending_message = peer_session->messages;
int count = 0;
while (pending_message != NULL)
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, "udp",
- _("sending queued message %d\n"), count);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("sending queued message %d\n"), count);
#endif
udp_real_send(plugin,
peer_session->sock,
GNUNET_free(pending_message_temp->msgbuf);
GNUNET_free(pending_message_temp);
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, "udp",
- _("finished sending queued message %d\n"), count);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("finished sending queued message %d\n"), count);
#endif
count++;
}
else
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, "udp",
- _("Received probe confirmation for already confirmed peer!\n"));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Received probe confirmation for already confirmed peer!\n"));
#endif
}
/* Received confirmation, add peer with address/port specified */
break;
default:
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "Sending message type %d to transport!\n",
- ntohs(currhdr->type));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending message type %d to transport!\n",
+ ntohs(currhdr->type));
#endif
- plugin->env->receive (plugin->env->cls, sender, currhdr, UDP_DIRECT_DISTANCE,
+ struct GNUNET_TRANSPORT_ATS_Information distance[2];
+ distance[0].type = htonl (GNUNET_TRANSPORT_ATS_QUALITY_NET_DISTANCE);
+ distance[0].value = htonl (UDP_DIRECT_DISTANCE);
+ distance[1].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
+ distance[1].value = htonl (0);
+
+ plugin->env->receive (plugin->env->cls, sender, currhdr,
+ (const struct GNUNET_TRANSPORT_ATS_Information *) &distance, 2,
NULL, sender_addr, fromlen);
}
char addr[32];
ssize_t ret;
int offset;
- int count;
int tsize;
char *msgbuf;
const struct GNUNET_MessageHeader *currhdr;
const void *ca;
size_t calen;
struct UDP_Sock_Info *udp_sock;
+ uint16_t csize;
plugin->select_task = GNUNET_SCHEDULER_NO_TASK;
- if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+ if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
return;
udp_sock = NULL;
if (GNUNET_NETWORK_fdset_isset (tc->read_ready,
{
GNUNET_break_op (0);
plugin->select_task =
- GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
GNUNET_SCHEDULER_NO_TASK,
GNUNET_TIME_UNIT_FOREVER_REL, plugin->rs,
NULL, &udp_plugin_select, plugin);
return;
}
msg = (struct UDPMessage *) buf;
- if (ntohs (msg->header.size) < sizeof (struct UDPMessage))
+ csize = ntohs (msg->header.size);
+ if ( (csize < sizeof (struct UDPMessage)) ||
+ (csize > ret) )
{
GNUNET_break_op (0);
plugin->select_task =
- GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
GNUNET_SCHEDULER_NO_TASK,
GNUNET_TIME_UNIT_FOREVER_REL, plugin->rs,
NULL, &udp_plugin_select, plugin);
msgbuf = (char *)&msg[1];
memcpy (&sender, &msg->sender, sizeof (struct GNUNET_PeerIdentity));
offset = 0;
- count = 0;
- tsize = ntohs (msg->header.size) - sizeof(struct UDPMessage);
- while (offset < tsize)
+ tsize = csize - sizeof (struct UDPMessage);
+ while (offset + sizeof (struct GNUNET_MessageHeader) <= tsize)
{
currhdr = (struct GNUNET_MessageHeader *)&msgbuf[offset];
- udp_demultiplexer(plugin, &sender, currhdr, ca, calen, udp_sock);
- offset += ntohs(currhdr->size);
- count++;
+ csize = ntohs (currhdr->size);
+ if ( (csize < sizeof (struct GNUNET_MessageHeader)) ||
+ (csize > tsize - offset) )
+ {
+ GNUNET_break_op (0);
+ break;
+ }
+ udp_demultiplexer(plugin, &sender, currhdr,
+ ca, calen, udp_sock);
+ offset += csize;
}
plugin->select_task =
- GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
GNUNET_SCHEDULER_NO_TASK,
GNUNET_TIME_UNIT_FOREVER_REL, plugin->rs,
NULL, &udp_plugin_select, plugin);
int sockets_created;
int tries;
+
sockets_created = 0;
if (plugin->behind_nat == GNUNET_YES)
{
/* Pipe to read from started processes stdout (on read end) */
- plugin->server_stdout = GNUNET_DISK_pipe(GNUNET_YES);
+ plugin->server_stdout = GNUNET_DISK_pipe(GNUNET_YES, GNUNET_NO, GNUNET_YES);
if (plugin->server_stdout == NULL)
return sockets_created;
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "Starting gnunet-nat-server process cmd: %s %s\n",
- "gnunet-nat-server",
- plugin->internal_address);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Starting gnunet-nat-server process cmd: %s %s\n",
+ "gnunet-nat-server",
+ plugin->internal_address);
#endif
/* Start the server process */
- plugin->server_pid = GNUNET_OS_start_process(NULL,
- plugin->server_stdout,
- "gnunet-nat-server",
- "gnunet-nat-server",
+ plugin->server_proc = GNUNET_OS_start_process(NULL,
+ plugin->server_stdout,
+ "gnunet-nat-server",
+ "gnunet-nat-server",
plugin->internal_address, NULL);
- if (plugin->server_pid == GNUNET_SYSERR)
+ if (plugin->server_proc == NULL)
{
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "Failed to start gnunet-nat-server process\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Failed to start gnunet-nat-server process\n");
#endif
return GNUNET_SYSERR;
}
/* Close the write end of the read pipe */
GNUNET_DISK_pipe_close_end(plugin->server_stdout, GNUNET_DISK_PIPE_END_WRITE);
-
+
plugin->server_stdout_handle = GNUNET_DISK_pipe_handle(plugin->server_stdout, GNUNET_DISK_PIPE_END_READ);
plugin->server_read_task =
- GNUNET_SCHEDULER_add_read_file (plugin->env->sched,
- GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_UNIT_FOREVER_REL,
plugin->server_stdout_handle, &udp_plugin_server_read, plugin);
}
if ( (GNUNET_YES !=
- GNUNET_CONFIGURATION_get_value_yesno (plugin->env->cfg, "GNUNETD",
- "DISABLE-IPV6")))
+ GNUNET_CONFIGURATION_get_value_yesno (plugin->env->cfg, "transport-udp",
+ "DISABLEV6")))
{
- plugin->udp_sockv6.desc = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_DGRAM, 17);
+ plugin->udp_sockv6.desc = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_DGRAM, 0);
if (NULL == plugin->udp_sockv6.desc)
{
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp", "socket");
#if HAVE_SOCKADDR_IN_SIN_LEN
serverAddrv6.sin6_len = sizeof (serverAddrv6);
#endif
+
serverAddrv6.sin6_family = AF_INET6;
serverAddrv6.sin6_addr = in6addr_any;
+ if (plugin->bind6_address != NULL)
+ {
+ if (1 != inet_pton(AF_INET6, plugin->bind6_address, &serverAddrv6.sin6_addr))
+ return 0;
+ }
+
serverAddrv6.sin6_port = htons (plugin->port);
addrlen = sizeof (serverAddrv6);
serverAddr = (struct sockaddr *) &serverAddrv6;
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "Binding to IPv6 port %d\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Binding to IPv6 port %d\n",
ntohs(serverAddrv6.sin6_port));
#endif
tries = 0;
{
serverAddrv6.sin6_port = htons (GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_STRONG, 33537) + 32000); /* Find a good, non-root port */
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "IPv6 Binding failed, trying new port %d\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "IPv6 Binding failed, trying new port %d\n",
ntohs(serverAddrv6.sin6_port));
#endif
tries++;
GNUNET_NETWORK_socket_close (plugin->udp_sockv6.desc);
plugin->udp_sockv6.desc = NULL;
break;
- }
+ }
}
if (plugin->udp_sockv6.desc != NULL)
{
}
}
}
-
- plugin->udp_sockv4.desc = GNUNET_NETWORK_socket_create (PF_INET, SOCK_DGRAM, 17);
+
+ plugin->udp_sockv4.desc = GNUNET_NETWORK_socket_create (PF_INET, SOCK_DGRAM, 0);
if (NULL == plugin->udp_sockv4.desc)
{
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "udp", "socket");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "socket");
}
else
{
#endif
serverAddrv4.sin_family = AF_INET;
serverAddrv4.sin_addr.s_addr = INADDR_ANY;
+ if (plugin->bind_address != NULL)
+ {
+ if (1 != inet_pton(AF_INET, plugin->bind_address, &serverAddrv4.sin_addr))
+ return 0;
+ }
serverAddrv4.sin_port = htons (plugin->port);
addrlen = sizeof (serverAddrv4);
serverAddr = (struct sockaddr *) &serverAddrv4;
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "Binding to IPv4 port %d\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Binding to IPv4 port %d\n",
ntohs(serverAddrv4.sin_port));
#endif
tries = 0;
{
serverAddrv4.sin_port = htons (GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_STRONG, 33537) + 32000); /* Find a good, non-root port */
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "IPv4 Binding failed, trying new port %d\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "IPv4 Binding failed, trying new port %d\n",
ntohs(serverAddrv4.sin_port));
#endif
tries++;
GNUNET_NETWORK_socket_close (plugin->udp_sockv4.desc);
plugin->udp_sockv4.desc = NULL;
break;
- }
+ }
}
if (plugin->udp_sockv4.desc != NULL)
{
plugin->rs = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_zero (plugin->rs);
if (NULL != plugin->udp_sockv4.desc)
- GNUNET_NETWORK_fdset_set (plugin->rs,
+ GNUNET_NETWORK_fdset_set (plugin->rs,
plugin->udp_sockv4.desc);
if (NULL != plugin->udp_sockv6.desc)
- GNUNET_NETWORK_fdset_set (plugin->rs,
+ GNUNET_NETWORK_fdset_set (plugin->rs,
plugin->udp_sockv6.desc);
+
plugin->select_task =
- GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
GNUNET_SCHEDULER_NO_TASK,
GNUNET_TIME_UNIT_FOREVER_REL, plugin->rs,
NULL, &udp_plugin_select, plugin);
if ( (plugin->only_nat_addresses == GNUNET_YES) &&
(plugin->behind_nat == GNUNET_YES) )
return GNUNET_SYSERR; /* odd case... */
- if (in_port == plugin->port)
+ if (in_port == plugin->port)
return GNUNET_OK;
return GNUNET_SYSERR;
}
*
*/
static int
-udp_check_address (void *cls,
- const void *addr,
+udp_check_address (void *cls,
+ const void *addr,
size_t addrlen)
{
struct Plugin *plugin = cls;
GNUNET_break_op (0);
return GNUNET_SYSERR;
}
- if (GNUNET_OK !=
+ if (GNUNET_OK !=
check_port (plugin, ntohs (v6->u6_port)))
return GNUNET_SYSERR;
if (GNUNET_OK !=
inet_ntop (af, sb, buf, INET6_ADDRSTRLEN);
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Informing transport service about my address `%s:%u'\n",
buf,
port);
void *asc_cls)
{
struct Plugin *plugin = cls;
- const struct sockaddr_in *v4;
- const struct sockaddr_in6 *v6;
struct PrettyPrinterContext *ppc;
+ const void *sb;
+ size_t sbs;
+ struct sockaddr_in a4;
+ struct sockaddr_in6 a6;
+ const struct IPv4UdpAddress *u4;
+ const struct IPv6UdpAddress *u6;
+ uint16_t port;
- if ((addrlen != sizeof (struct sockaddr_in)) &&
- (addrlen != sizeof (struct sockaddr_in6)))
+ if (addrlen == sizeof (struct IPv6UdpAddress))
+ {
+ u6 = addr;
+ memset (&a6, 0, sizeof (a6));
+ a6.sin6_family = AF_INET6;
+ a6.sin6_port = u6->u6_port;
+ memcpy (&a6.sin6_addr,
+ &u6->ipv6_addr,
+ sizeof (struct in6_addr));
+ port = ntohs (u6->u6_port);
+ sb = &a6;
+ sbs = sizeof (a6);
+ }
+ else if (addrlen == sizeof (struct IPv4UdpAddress))
+ {
+ u4 = addr;
+ memset (&a4, 0, sizeof (a4));
+ a4.sin_family = AF_INET;
+ a4.sin_port = u4->u_port;
+ a4.sin_addr.s_addr = u4->ipv4_addr;
+ port = ntohs (u4->u_port);
+ sb = &a4;
+ sbs = sizeof (a4);
+ }
+ else
{
/* invalid address */
GNUNET_break_op (0);
ppc = GNUNET_malloc (sizeof (struct PrettyPrinterContext));
ppc->asc = asc;
ppc->asc_cls = asc_cls;
- if (addrlen == sizeof (struct sockaddr_in))
- {
- v4 = (const struct sockaddr_in *) addr;
- ppc->port = ntohs (v4->sin_port);
- }
- else
- {
- v6 = (const struct sockaddr_in6 *) addr;
- ppc->port = ntohs (v6->sin6_port);
-
- }
- GNUNET_RESOLVER_hostname_get (plugin->env->sched,
- plugin->env->cfg,
- addr,
- addrlen,
+ ppc->port = port;
+ GNUNET_RESOLVER_hostname_get (plugin->env->cfg,
+ sb,
+ sbs,
!numeric, timeout, &append_port, ppc);
}
buf = GNUNET_malloc (strlen (path) + 20);
pos = path;
- while (NULL != (end = strchr (pos, ':')))
+ while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
{
*end = '\0';
sprintf (buf, "%s/%s", pos, binary);
{
struct stat statbuf;
char *p;
+#ifdef MINGW
+ SOCKET rawsock;
+#endif
+#ifdef MINGW
+ char *binaryexe;
+ GNUNET_asprintf (&binaryexe, "%s.exe", binary);
+ p = get_path_from_PATH (binaryexe);
+ free (binaryexe);
+#else
p = get_path_from_PATH (binary);
+#endif
if (p == NULL)
return GNUNET_NO;
if (0 != STAT (p, &statbuf))
return GNUNET_SYSERR;
}
GNUNET_free (p);
+#ifndef MINGW
if ( (0 != (statbuf.st_mode & S_ISUID)) &&
(statbuf.st_uid == 0) )
return GNUNET_YES;
return GNUNET_NO;
+#else
+ rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
+ if (INVALID_SOCKET == rawsock)
+ {
+ DWORD err = GetLastError ();
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
+ return GNUNET_NO; /* not running as administrator */
+ }
+ closesocket (rawsock);
+ return GNUNET_YES;
+#endif
}
/**
unsigned long long port;
struct GNUNET_TRANSPORT_PluginFunctions *api;
struct Plugin *plugin;
- struct GNUNET_SERVICE_Context *service;
int sockets_created;
int behind_nat;
int allow_nat;
char *external_address;
struct IPv4UdpAddress v4_address;
- service = GNUNET_SERVICE_start ("transport-udp", env->sched, env->cfg);
- if (service == NULL)
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, "udp", _
- ("Failed to start service for `%s' transport plugin.\n"),
- "udp");
- return NULL;
- }
-
if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
"transport-udp",
"BEHIND_NAT"))
else
{
behind_nat = GNUNET_NO;
- GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, "udp", "Configuration specified you are behind a NAT, but gnunet-nat-server is not installed properly (suid bit not set)!\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Configuration specified you are behind a NAT, but gnunet-nat-server is not installed properly (suid bit not set)!\n");
}
}
else
else
{
allow_nat = GNUNET_NO;
- GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, "udp", "Configuration specified you want to connect to NAT'd peers, but gnunet-nat-client is not installed properly (suid bit not set)!\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Configuration specified you want to connect to NAT'd peers, but gnunet-nat-client is not installed properly (suid bit not set)!\n");
}
}
"EXTERNAL_ADDRESS",
&external_address)))
{
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "udp",
- _
- ("Require EXTERNAL_ADDRESS for service `%s' in configuration (either BEHIND_NAT or ALLOW_NAT set to YES)!\n"),
- "transport-udp");
- GNUNET_SERVICE_stop (service);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Require EXTERNAL_ADDRESS for service `%s' in configuration (either BEHIND_NAT or ALLOW_NAT set to YES)!\n"),
+ "transport-udp");
return NULL;
}
if ((external_address != NULL) && (inet_pton(AF_INET, external_address, &v4_address.ipv4_addr) != 1))
{
- GNUNET_log_from(GNUNET_ERROR_TYPE_WARNING, "udp", "Malformed EXTERNAL_ADDRESS %s given in configuration!\n", external_address);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Malformed EXTERNAL_ADDRESS %s given in configuration!\n", external_address);
}
internal_address = NULL;
"INTERNAL_ADDRESS",
&internal_address)))
{
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "udp",
- _
- ("Require INTERNAL_ADDRESS for service `%s' in configuration!\n"),
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Require INTERNAL_ADDRESS for service `%s' in configuration!\n"),
"transport-udp");
- GNUNET_SERVICE_stop (service);
GNUNET_free_non_null(external_address);
return NULL;
}
if ((internal_address != NULL) && (inet_pton(AF_INET, internal_address, &v4_address.ipv4_addr) != 1))
{
- GNUNET_log_from(GNUNET_ERROR_TYPE_WARNING, "udp", "Malformed INTERNAL_ADDRESS %s given in configuration!\n", internal_address);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Malformed INTERNAL_ADDRESS %s given in configuration!\n", internal_address);
}
if (GNUNET_OK !=
port = UDP_NAT_DEFAULT_PORT;
else if (port > 65535)
{
- GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING,
- "udp",
- _("Given `%s' option is out of range: %llu > %u\n"),
- "PORT",
- port,
- 65535);
- GNUNET_SERVICE_stop (service);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Given `%s' option is out of range: %llu > %u\n"),
+ "PORT",
+ port,
+ 65535);
GNUNET_free_non_null(external_address);
GNUNET_free_non_null(internal_address);
- return NULL;
+ return NULL;
}
mtu = 1240;
if (mtu < 1200)
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO,
- "udp",
- _("MTU %llu for `%s' is probably too low!\n"), mtu,
- "UDP");
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("MTU %llu for `%s' is probably too low!\n"), mtu,
+ "UDP");
plugin = GNUNET_malloc (sizeof (struct Plugin));
plugin->external_address = external_address;
api->address_to_string = &udp_address_to_string;
api->check_address = &udp_check_address;
- plugin->service = service;
+ if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(env->cfg, "transport-udp", "BINDTO", &plugin->bind_address))
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Binding udp plugin to specific address: `%s'\n", plugin->bind_address);
+ if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(env->cfg, "transport-udp", "BINDTO6", &plugin->bind6_address))
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Binding udp plugin to specific address: `%s'\n", plugin->bind6_address);
if (plugin->behind_nat == GNUNET_NO)
{
GNUNET_OS_network_interfaces_list (&process_interfaces, plugin);
}
- plugin->hostname_dns = GNUNET_RESOLVER_hostname_resolve (env->sched,
- env->cfg,
+ plugin->hostname_dns = GNUNET_RESOLVER_hostname_resolve (env->cfg,
AF_UNSPEC,
HOSTNAME_RESOLVE_TIMEOUT,
&process_hostname_ips,
plugin->env->notify_address (plugin->env->cls,
"udp",
&v4_address, sizeof(v4_address), GNUNET_TIME_UNIT_FOREVER_REL);
+ add_to_address_list (plugin, &v4_address.ipv4_addr, sizeof (uint32_t));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Notifying plugin of address %s:0\n", plugin->external_address);
}
else if ((plugin->external_address != NULL) && (inet_pton(AF_INET, plugin->external_address, &v4_address.ipv4_addr) == 1))
{
plugin->env->notify_address (plugin->env->cls,
"udp",
&v4_address, sizeof(v4_address), GNUNET_TIME_UNIT_FOREVER_REL);
+ add_to_address_list (plugin, &v4_address.ipv4_addr, sizeof (uint32_t));
}
sockets_created = udp_transport_server_start (plugin);
if (sockets_created == 0)
- GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING,
- "udp",
- _("Failed to open UDP sockets\n"));
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Failed to open UDP sockets\n"));
return api;
}
plugin->hostname_dns = NULL;
}
- GNUNET_SERVICE_stop (plugin->service);
-
GNUNET_NETWORK_fdset_destroy (plugin->rs);
while (NULL != (lal = plugin->lal_head))
{
projects / oweals / gnunet.git / blobdiff