#include "gnunet_transport_plugin.h"
#include "gnunet_nat_lib.h"
#include "plugin_transport_http_common.h"
-#include "microhttpd.h"
+#include <microhttpd.h>
+
+
#if BUILD_HTTPS
+#define PLUGIN_NAME "https_server"
#define LIBGNUNET_PLUGIN_TRANSPORT_INIT libgnunet_plugin_transport_https_server_init
#define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_https_server_done
#else
+#define PLUGIN_NAME "http_server"
#define LIBGNUNET_PLUGIN_TRANSPORT_INIT libgnunet_plugin_transport_http_server_init
#define LIBGNUNET_PLUGIN_TRANSPORT_DONE libgnunet_plugin_transport_http_server_done
#endif
*/
struct Plugin;
-
/**
* Session handle for connections.
*/
*/
char *protocol;
+ /**
+ * My options to be included in the address
+ */
+ uint32_t options;
+
/**
* External address
*/
char *external_hostname;
+ /**
+ * Verify external address
+ */
+ int verify_external_hostname;
+
+
/**
* Maximum number of sockets the plugin can use
* Each http inbound /outbound connections are two connections
* External hostname the plugin can be connected to, can be different to
* the host's FQDN, used e.g. for reverse proxying
*/
- char *ext_addr;
+ struct HttpAddress *ext_addr;
/**
* Notify transport only about external address
*/
struct HttpAddressWrapper *prev;
- void *addr;
+ struct HttpAddress *address;
size_t addrlen;
};
http_server_plugin_address_suggested (void *cls, const void *addr,
size_t addrlen)
{
- struct HTTP_Server_Plugin *plugin = cls;
struct HttpAddressWrapper *next;
struct HttpAddressWrapper *pos;
+ struct HttpAddress *h_addr;
+ h_addr = (struct HttpAddress *) addr;
-
- if ((NULL != plugin->ext_addr) &&
+ if ((NULL != p->ext_addr) &&
GNUNET_YES == (http_common_cmp_addresses (addr, addrlen,
- plugin->ext_addr, plugin->ext_addr_len)))
- return GNUNET_OK;
+ p->ext_addr, p->ext_addr_len)))
+ {
+ /* Checking HTTP_OPTIONS_VERIFY_CERTIFICATE option for external hostname */
+ if ((ntohl(h_addr->options) & HTTP_OPTIONS_VERIFY_CERTIFICATE) !=
+ (p->options & HTTP_OPTIONS_VERIFY_CERTIFICATE))
+ return GNUNET_NO; /* VERIFY option not set as required! */
+ return GNUNET_OK;
+ }
- next = plugin->addr_head;
+ next = p->addr_head;
while (NULL != (pos = next))
{
next = pos->next;
if (GNUNET_YES == (http_common_cmp_addresses(addr,
addrlen,
- pos->addr,
+ pos->address,
pos->addrlen)))
return GNUNET_OK;
GNUNET_free (s->addr);
GNUNET_free_non_null (s->server_recv);
GNUNET_free_non_null (s->server_send);
- GNUNET_free (s);
-
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Session %p destroyed\n", s);
+ GNUNET_free (s);
}
const union MHD_ConnectionInfo *conn_info;
struct GNUNET_ATS_Information ats;
- char *addr;
+ struct HttpAddress *addr;
size_t addr_len;
struct GNUNET_PeerIdentity target;
ats = plugin->env->get_address_type (plugin->env->cls, conn_info->client_addr, sizeof (struct sockaddr_in6));
break;
default:
- GNUNET_break (0);
+ /* external host name */
+ ats.type = htonl (GNUNET_ATS_NETWORK_TYPE);
+ ats.type = htonl (GNUNET_ATS_NET_WAN);
return NULL;
}
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Creating new session for peer `%s' connecting from `%s'\n",
- GNUNET_i2s (&target),
- http_common_plugin_address_to_string (NULL, addr, addr_len));
s = GNUNET_malloc (sizeof (struct Session));
memcpy (&s->target, &target, sizeof (struct GNUNET_PeerIdentity));
s->connect_in_progress = GNUNET_YES;
server_start_session_timeout(s);
GNUNET_CONTAINER_DLL_insert (plugin->head, plugin->tail, s);
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ "Creating new session %p for peer `%s' connecting from `%s'\n",
+ s, GNUNET_i2s (&target),
+ http_common_plugin_address_to_string (NULL, p->protocol, addr, addr_len));
}
sc = GNUNET_malloc (sizeof (struct ServerConnection));
if (conn_info->client_addr->sa_family == AF_INET)
s->server_recv = sc;
if ((NULL != s->server_send) && (NULL != s->server_recv))
+ {
s->connect_in_progress = GNUNET_NO; /* PUT and GET are connected */
+ plugin->env->session_start (NULL, &s->target, PLUGIN_NAME, NULL, 0 ,s, NULL, 0);
+ }
#if MHD_VERSION >= 0x00090E00
if ((NULL == s->server_recv) || (NULL == s->server_send))
const struct GNUNET_MessageHeader *message)
{
struct Session *s = cls;
- struct GNUNET_ATS_Information atsi[2];
+ struct HTTP_Server_Plugin *plugin = s->plugin;
+ struct GNUNET_ATS_Information atsi;
struct GNUNET_TIME_Relative delay;
char *stat_txt;
if (GNUNET_NO == server_exist_session(p, s))
return GNUNET_OK;
- struct HTTP_Server_Plugin *plugin = s->plugin;
- atsi[0].type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
- atsi[0].value = htonl (1);
- atsi[1].type = htonl (GNUNET_ATS_NETWORK_TYPE);
- atsi[1].value = s->ats_address_network_type;
+ atsi.type = htonl (GNUNET_ATS_NETWORK_TYPE);
+ atsi.value = s->ats_address_network_type;
GNUNET_break (s->ats_address_network_type != ntohl (GNUNET_ATS_NET_UNSPECIFIED));
delay = plugin->env->receive (plugin->env->cls,
&s->target,
message,
- s, s->addr, s->addrlen);
+ s, NULL, 0);
plugin->env->update_address_metrics (plugin->env->cls,
- &s->target,
- s->addr,
- s->addrlen,
- s,
- (struct GNUNET_ATS_Information *) &atsi, 2);
+ &s->target,
+ NULL, 0, s, &atsi, 1);
GNUNET_asprintf (&stat_txt, "# bytes received via %s_server", plugin->protocol);
GNUNET_STATISTICS_update (plugin->env->stats,
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Peer `%s' address `%s' next read delayed for %llu ms\n",
GNUNET_i2s (&s->target),
- http_common_plugin_address_to_string (NULL, s->addr, s->addrlen),
+ http_common_plugin_address_to_string (NULL, p->protocol, s->addr, s->addrlen),
delay);
}
server_reschedule_session_timeout (s);
s, sc,
GNUNET_i2s (&s->target),
http_common_plugin_address_to_string (NULL,
+ p->protocol,
s->addr,
s->addrlen));
sc->connected = GNUNET_YES;
s, sc,
GNUNET_i2s (&s->target),
http_common_plugin_address_to_string (NULL,
+ p->protocol,
s->addr,
s->addrlen));
sc->connected = GNUNET_NO;
s, sc,
GNUNET_i2s (&s->target),
http_common_plugin_address_to_string (NULL,
+ p->protocol,
s->addr,
s->addrlen),
*upload_data_size);
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Peer `%s' connection %p, GET on address `%s' disconnected\n",
GNUNET_i2s (&s->target), s->server_send,
- http_common_plugin_address_to_string (NULL, s->addr, s->addrlen));
+ http_common_plugin_address_to_string (NULL, p->protocol, s->addr, s->addrlen));
s->server_send = NULL;
if (NULL != (s->server_recv))
{
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Peer `%s' connection %p PUT on address `%s' disconnected\n",
GNUNET_i2s (&s->target), s->server_recv,
- http_common_plugin_address_to_string (NULL, s->addr, s->addrlen));
+ http_common_plugin_address_to_string (NULL, p->protocol, s->addr, s->addrlen));
s->server_recv = NULL;
/* Do not terminate session when PUT disconnects
if (NULL != (s->server_send))
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Peer `%s' on address `%s' disconnected\n",
GNUNET_i2s (&s->target),
- http_common_plugin_address_to_string (NULL, s->addr, s->addrlen));
+ http_common_plugin_address_to_string (NULL, p->protocol, s->addr, s->addrlen));
if ((GNUNET_YES == s->session_passed) && (GNUNET_NO == s->session_ended))
{
struct HttpAddressWrapper *w = NULL;
w = GNUNET_malloc (sizeof (struct HttpAddressWrapper));
- w->addr = http_common_address_from_socket (plugin->protocol, addr, addrlen);
- if (NULL == w->addr)
+ w->address = http_common_address_from_socket (plugin->protocol, addr, addrlen);
+ if (NULL == w->address)
{
GNUNET_free (w);
return;
}
- w->addrlen = http_common_address_get_size (w->addr);
+ w->addrlen = http_common_address_get_size (w->address);
GNUNET_CONTAINER_DLL_insert(plugin->addr_head, plugin->addr_tail, w);
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Notifying transport to add address `%s'\n",
- http_common_plugin_address_to_string(NULL, w->addr, w->addrlen));
+ http_common_plugin_address_to_string (NULL, p->protocol, w->address, w->addrlen));
#if BUILD_HTTPS
- plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen, "https_client");
+ plugin->env->notify_address (plugin->env->cls, add_remove, w->address, w->addrlen, "https_client");
#else
- plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen, "http_client");
+ plugin->env->notify_address (plugin->env->cls, add_remove, w->address, w->addrlen, "http_client");
#endif
}
while (NULL != w)
{
- if (GNUNET_YES == http_common_cmp_addresses(w->addr, w->addrlen, saddr, saddr_len))
+ if (GNUNET_YES == http_common_cmp_addresses(w->address, w->addrlen, saddr, saddr_len))
break;
w = w->next;
}
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Notifying transport to remove address `%s'\n",
- http_common_plugin_address_to_string (NULL, w->addr, w->addrlen));
+ http_common_plugin_address_to_string (NULL, p->protocol, w->address, w->addrlen));
GNUNET_CONTAINER_DLL_remove (plugin->addr_head, plugin->addr_tail, w);
#if BUILD_HTTPS
- plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen, "https_client");
+ plugin->env->notify_address (plugin->env->cls, add_remove, w->address, w->addrlen, "https_client");
#else
- plugin->env->notify_address (plugin->env->cls, add_remove, w->addr, w->addrlen, "http_client");
+ plugin->env->notify_address (plugin->env->cls, add_remove, w->address, w->addrlen, "http_client");
#endif
- GNUNET_free (w->addr);
+ GNUNET_free (w->address);
GNUNET_free (w);
}
{
w = plugin->addr_head;
GNUNET_CONTAINER_DLL_remove (plugin->addr_head, plugin->addr_tail, w);
- GNUNET_free (w->addr);
+ GNUNET_free (w->address);
GNUNET_free (w);
}
}
/**
- * Function called when the service shuts down. Unloads our plugins
- * and cancels pending validations.
+ * Notify server about our external hostname
*
- * @param cls closure, unused
+ * @param cls plugin
* @param tc task context (unused)
*/
static void
server_notify_external_hostname (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct HTTP_Server_Plugin *plugin = cls;
+ unsigned int urlen;
+ char *url;
plugin->notify_ext_task = GNUNET_SCHEDULER_NO_TASK;
-
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
- GNUNET_asprintf(&plugin->ext_addr, "%s://%s", plugin->protocol, plugin->external_hostname);
- plugin->ext_addr_len = strlen (plugin->ext_addr) + 1;
+ GNUNET_asprintf(&url, "%s://%s", plugin->protocol, plugin->external_hostname);
+
+ urlen = strlen (url) + 1;
+ plugin->ext_addr = GNUNET_malloc (sizeof (struct HttpAddress) + urlen);
+ plugin->ext_addr->options = htonl(plugin->options);
+ plugin->ext_addr->urlen = htonl (urlen);
+ plugin->ext_addr_len = sizeof (struct HttpAddress) + urlen;
+ memcpy (&plugin->ext_addr[1], url, urlen);
+ GNUNET_free (url);
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
- "Notifying transport about external hostname address `%s'\n", plugin->ext_addr);
+ "Notifying transport about external hostname address `%s'\n", plugin->external_hostname);
#if BUILD_HTTPS
+ if (GNUNET_YES == plugin->verify_external_hostname)
+ GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, plugin->name,
+ "Enabling SSL verification for external hostname address `%s'\n", plugin->external_hostname);
plugin->env->notify_address (plugin->env->cls, GNUNET_YES,
plugin->ext_addr, plugin->ext_addr_len,
"https_client");
unsigned long long max_connections;
char *bind4_address = NULL;
char *bind6_address = NULL;
+ char *eh_tmp = NULL;
+ int external_hostname_use_port;
/* Use IPv4? */
if (GNUNET_CONFIGURATION_have_value
}
plugin->port = port;
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, plugin->name,
_("Using port %u\n"), plugin->port);
if ((plugin->use_ipv4 == GNUNET_YES) &&
GNUNET_free (bind6_address);
}
+ plugin->verify_external_hostname = GNUNET_NO;
+#if BUILD_HTTPS
+ plugin->verify_external_hostname = GNUNET_CONFIGURATION_get_value_yesno (plugin->env->cfg, plugin->name,
+ "VERIFY_EXTERNAL_HOSTNAME");
+ if (GNUNET_SYSERR == plugin->verify_external_hostname)
+ plugin->verify_external_hostname = GNUNET_NO;
+ if (GNUNET_YES == plugin->verify_external_hostname)
+ plugin->options |= HTTP_OPTIONS_VERIFY_CERTIFICATE;
+#endif
+ external_hostname_use_port = GNUNET_CONFIGURATION_get_value_yesno (plugin->env->cfg, plugin->name,
+ "EXTERNAL_HOSTNAME_USE_PORT");
+ if (GNUNET_SYSERR == external_hostname_use_port)
+ external_hostname_use_port = GNUNET_NO;
+
+
if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string (plugin->env->cfg, plugin->name,
- "EXTERNAL_HOSTNAME", &plugin->external_hostname))
+ "EXTERNAL_HOSTNAME", &eh_tmp))
{
char * tmp = NULL;
- if (NULL != strstr(plugin->external_hostname, "://"))
+ char * pos = NULL;
+ char * pos_url = NULL;
+
+ if (NULL != strstr(eh_tmp, "://"))
{
- tmp = strdup(&strstr(plugin->external_hostname, "://")[3]);
- GNUNET_free (plugin->external_hostname);
- plugin->external_hostname = tmp;
+ tmp = &strstr(eh_tmp, "://")[3];
+ }
+ else
+ tmp = eh_tmp;
+ if (GNUNET_YES == external_hostname_use_port)
+ {
+ if ( (strlen (tmp) > 1) && (NULL != (pos = strchr(tmp, '/'))) )
+ {
+ pos_url = pos + 1;
+ pos[0] = '\0';
+ GNUNET_asprintf (&plugin->external_hostname, "%s:%u/%s", tmp, (uint16_t) port, (NULL == pos_url) ? "" : pos_url);
+ }
+ else
+ GNUNET_asprintf (&plugin->external_hostname, "%s:%u", tmp, (uint16_t) port);
}
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
+ else
+ plugin->external_hostname = GNUNET_strdup (tmp);
+ GNUNET_free (eh_tmp);
+
+ GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, plugin->name,
_("Using external hostname `%s'\n"), plugin->external_hostname);
plugin->notify_ext_task = GNUNET_SCHEDULER_add_now (&server_notify_external_hostname, plugin);
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, plugin->name,
"Notifying transport to remove address `%s'\n",
http_common_plugin_address_to_string (NULL,
+ p->protocol,
plugin->ext_addr,
plugin->ext_addr_len));
#if BUILD_HTTPS
return NULL;
}
+const char *http_plugin_address_to_string (void *cls,
+ const void *addr,
+ size_t addrlen)
+{
+#if BUILD_HTTPS
+ return http_common_plugin_address_to_string (cls, PLUGIN_NAME, addr, addrlen);
+#else
+ return http_common_plugin_address_to_string (cls, PLUGIN_NAME, addr, addrlen);
+#endif
+
+}
+
+
+/**
+ * Function obtain the network type for a session
+ *
+ * @param cls closure ('struct Plugin*')
+ * @param session the session
+ * @return the network type in HBO or GNUNET_SYSERR
+ */
+static enum GNUNET_ATS_Network_Type
+http_server_get_network (void *cls,
+ struct Session *session)
+{
+ GNUNET_assert (NULL != session);
+ return ntohl (session->ats_address_network_type);
+}
+
/**
* Entry point for the plugin.
initialze the plugin or the API */
api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
api->cls = NULL;
- api->address_to_string = &http_common_plugin_address_to_string;
+ api->address_to_string = &http_plugin_address_to_string;
api->string_to_address = &http_common_plugin_string_to_address;
api->address_pretty_printer = &http_common_plugin_address_pretty_printer;
return api;
api->check_address = &http_server_plugin_address_suggested;
api->get_session = &http_server_plugin_get_session;
- api->address_to_string = &http_common_plugin_address_to_string;
+ api->address_to_string = &http_plugin_address_to_string;
api->string_to_address = &http_common_plugin_string_to_address;
api->address_pretty_printer = &http_common_plugin_address_pretty_printer;
+ api->get_network = &http_server_get_network;
#if BUILD_HTTPS
plugin->name = "transport-https_server";