#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;
};
* 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;
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));
#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;
+ }
}
/**
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!) */
&((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) || ((plugin->bind6_address != NULL) && (0 != strcmp(buf, plugin->bind_address))))
+ 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;
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,
_("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))
{
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. */
{
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;
}
_("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);
}
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))
{
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 */
}
"Sending message type %d to transport!\n",
ntohs(currhdr->type));
#endif
- plugin->env->receive (plugin->env->cls, sender, currhdr, UDP_DIRECT_DISTANCE,
+ plugin->env->receive (plugin->env->cls, sender, currhdr, UDP_DIRECT_DISTANCE,
NULL, sender_addr, fromlen);
}
{
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);
{
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);
count++;
}
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->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
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 (GNUNET_ERROR_TYPE_DEBUG,
}
/* 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);
}
serverAddr = (struct sockaddr *) &serverAddrv6;
#if DEBUG_UDP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Binding to IPv6 port %d\n",
+ "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 (GNUNET_ERROR_TYPE_DEBUG,
- "IPv6 Binding failed, trying new port %d\n",
+ "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)
{
serverAddr = (struct sockaddr *) &serverAddrv4;
#if DEBUG_UDP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Binding to IPv4 port %d\n",
+ "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 (GNUNET_ERROR_TYPE_DEBUG,
- "IPv4 Binding failed, trying new port %d\n",
+ "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 !=
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
}
/**
char *external_address;
struct IPv4UdpAddress v4_address;
- service = GNUNET_SERVICE_start ("transport-udp", env->sched, env->cfg);
+ service = GNUNET_SERVICE_start ("transport-udp", env->cfg);
if (service == NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING, _
GNUNET_SERVICE_stop (service);
GNUNET_free_non_null(external_address);
GNUNET_free_non_null(internal_address);
- return NULL;
+ return NULL;
}
mtu = 1240;
plugin->service = service;
- GNUNET_CONFIGURATION_get_value_string(env->cfg, "transport-udp", "BINDTO", &plugin->bind_address);
-
- GNUNET_CONFIGURATION_get_value_string(env->cfg, "transport-udp", "BINDTO6", &plugin->bind6_address);
+ 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,