+++ /dev/null
-/*
- This file is part of GNUnet
- (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- 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.
-*/
-
-/**
- * @file transport/plugin_transport_https.c
- * @brief https transport service plugin
- * @author Matthias Wachs
- */
-
-#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_constants.h"
-#include "gnunet_protocols.h"
-#include "gnunet_connection_lib.h"
-#include "gnunet_service_lib.h"
-#include "gnunet_statistics_service.h"
-#include "gnunet_transport_service.h"
-#include "gnunet_resolver_service.h"
-#include "gnunet_server_lib.h"
-#include "gnunet_container_lib.h"
-#include "plugin_transport.h"
-#include "gnunet_os_lib.h"
-#include "gnunet_disk_lib.h"
-#include "microhttpd.h"
-#include <curl/curl.h>
-
-#define DEBUG_HTTPS GNUNET_NO
-#define VERBOSE GNUNET_NO
-#define DEBUG_MHD GNUNET_YES
-#define DEBUG_CURL GNUNET_NO
-#define DEBUG_CONNECTIONS GNUNET_NO
-#define DEBUG_SESSION_SELECTION GNUNET_NO
-
-#define CURL_TCP_NODELAY GNUNET_YES
-
-#define INBOUND GNUNET_NO
-#define OUTBOUND GNUNET_YES
-
-#define PROTOCOL_PREFIX "https"
-
-/**
- * Text of the response sent back after the last bytes of a PUT
- * request have been received (just to formally obey the HTTP
- * protocol).
- */
-#define HTTP_PUT_RESPONSE "Thank you!"
-
-/**
- * After how long do we expire an address that we
- * learned from another peer if it is not reconfirmed
- * by anyone?
- */
-#define LEARNED_ADDRESS_EXPIRATION GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_HOURS, 6)
-
-/**
- * Page returned if request invalid
- */
-#define HTTP_ERROR_RESPONSE "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\"><HTML><HEAD><TITLE>404 Not Found</TITLE></HEAD><BODY><H1>Not Found</H1>The requested URL was not found on this server.<P><HR><ADDRESS></ADDRESS></BODY></HTML>"
-
-/**
- * Timeout for a http connect
- */
-#define HTTP_CONNECT_TIMEOUT 30
-
-/**
- * Network format for IPv4 addresses.
- */
-struct IPv4HttpAddress
-{
- /**
- * IPv4 address, in network byte order.
- */
- uint32_t ipv4_addr GNUNET_PACKED;
-
- /**
- * Port number, in network byte order.
- */
- uint16_t u_port GNUNET_PACKED;
-
-};
-
-
-/**
- * Network format for IPv6 addresses.
- */
-struct IPv6HttpAddress
-{
- /**
- * IPv6 address.
- */
- struct in6_addr ipv6_addr GNUNET_PACKED;
-
- /**
- * Port number, in network byte order.
- */
- uint16_t u6_port GNUNET_PACKED;
-
-};
-
-
-/**
- * Message to send using http
- */
-struct HTTP_Message
-{
- /**
- * next pointer for double linked list
- */
- struct HTTP_Message * next;
-
- /**
- * previous pointer for double linked list
- */
- struct HTTP_Message * prev;
-
- /**
- * buffer containing data to send
- */
- char *buf;
-
- /**
- * amount of data already sent
- */
- size_t pos;
-
- /**
- * buffer length
- */
- size_t size;
-
- /**
- * Continuation function to call once the transmission buffer
- * has again space available. NULL if there is no
- * continuation to call.
- */
- GNUNET_TRANSPORT_TransmitContinuation transmit_cont;
-
- /**
- * Closure for transmit_cont.
- */
- void *transmit_cont_cls;
-};
-
-
-struct HTTP_PeerContext
-{
- /**
- * peer's identity
- */
- struct GNUNET_PeerIdentity identity;
-
- /**
- * Pointer to the global plugin struct.
- */
- struct Plugin *plugin;
-
- /**
- * Linked list of connections with this peer
- * head
- */
- struct Session * head;
-
- /**
- * Linked list of connections with this peer
- * tail
- */
- struct Session * tail;
-
- /**
- * id for next session
- */
- size_t session_id_counter;
-
- /**
- * Last session used to send data
- */
- struct Session * last_session;
-};
-
-
-struct Session
-{
- /**
- * API requirement.
- */
- struct SessionHeader header;
-
- /**
- * next session in linked list
- */
- struct Session * next;
-
- /**
- * previous session in linked list
- */
- struct Session * prev;
-
- /**
- * address of this session
- */
- void * addr;
-
- /**
- * address length
- */
- size_t addrlen;
-
- /**
- * target url
- */
- char * url;
-
- /**
- * Message queue for outbound messages
- * head of queue
- */
- struct HTTP_Message * pending_msgs_head;
-
- /**
- * Message queue for outbound messages
- * tail of queue
- */
- struct HTTP_Message * pending_msgs_tail;
-
- /**
- * partner peer this connection belongs to
- */
- struct HTTP_PeerContext * peercontext;
-
- /**
- * message stream tokenizer for incoming data
- */
- struct GNUNET_SERVER_MessageStreamTokenizer *msgtok;
-
- /**
- * session direction
- * outbound: OUTBOUND (GNUNET_YES)
- * inbound : INBOUND (GNUNET_NO)
- */
- unsigned int direction;
-
- /**
- * is session connected to send data?
- */
- unsigned int send_connected;
-
- /**
- * is send connection active?
- */
- unsigned int send_active;
-
- /**
- * connection disconnect forced (e.g. from transport)
- */
- unsigned int send_force_disconnect;
-
- /**
- * is session connected to receive data?
- */
- unsigned int recv_connected;
-
- /**
- * is receive connection active?
- */
- unsigned int recv_active;
-
- /**
- * connection disconnect forced (e.g. from transport)
- */
- unsigned int recv_force_disconnect;
-
- /**
- * id for next session
- * NOTE: 0 is not an ID, zero is not defined. A correct ID is always > 0
- */
- size_t session_id;
-
- /**
- * entity managing sending data
- * outbound session: CURL *
- * inbound session: mhd_connection *
- */
- void * send_endpoint;
-
- /**
- * entity managing recieving data
- * outbound session: CURL *
- * inbound session: mhd_connection *
- */
- void * recv_endpoint;
-};
-
-/**
- * Encapsulation of all of the state of the plugin.
- */
-struct Plugin
-{
- /**
- * Our environment.
- */
- struct GNUNET_TRANSPORT_PluginEnvironment *env;
-
- /**
- * Handle for reporting statistics.
- */
- struct GNUNET_STATISTICS_Handle *stats;
-
- unsigned int port_inbound;
-
- struct GNUNET_CONTAINER_MultiHashMap *peers;
-
- /**
- * Daemon for listening for new IPv4 connections.
- */
- struct MHD_Daemon *http_server_daemon_v4;
-
- /**
- * Daemon for listening for new IPv6connections.
- */
- struct MHD_Daemon *http_server_daemon_v6;
-
- /**
- * Our primary task for http daemon handling IPv4 connections
- */
- GNUNET_SCHEDULER_TaskIdentifier http_server_task_v4;
-
- /**
- * Our primary task for http daemon handling IPv6 connections
- */
- GNUNET_SCHEDULER_TaskIdentifier http_server_task_v6;
-
- /**
- * The task sending data
- */
- GNUNET_SCHEDULER_TaskIdentifier http_curl_task;
-
- /**
- * cURL Multihandle
- */
- CURLM * multi_handle;
-
- /**
- * Our ASCII encoded, hashed peer identity
- * This string is used to distinguish between connections and is added to the urls
- */
- struct GNUNET_CRYPTO_HashAsciiEncoded my_ascii_hash_ident;
-
- struct sockaddr_in * bind4_address;
- struct sockaddr_in6 * bind6_address;
- char * bind_hostname;
- int use_ipv6;
- int use_ipv4;
-
- /* The certificate MHD uses as an \0 terminated string */
- char * cert;
-
- /* The private key MHD uses as an \0 terminated string */
- char * key;
-
- char * crypto_init;
-
- void * mhd_log;
-};
-
-
-/**
- * Function called for a quick conversion of the binary address to
- * a numeric address. Note that the caller must not free the
- * address and that the next call to this function is allowed
- * to override the address again.
- *
- * @param cls closure
- * @param addr binary address
- * @param addrlen length of the address
- * @return string representing the same address
- */
-static const char*
-http_plugin_address_to_string (void *cls,
- const void *addr,
- size_t addrlen);
-
-
-/**
- * Call MHD to process pending ipv4 requests and then go back
- * and schedule the next run.
- */
-static void http_server_daemon_v4_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-/**
- * Call MHD to process pending ipv6 requests and then go back
- * and schedule the next run.
- */
-static void http_server_daemon_v6_run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
-
-
-/**
- * Function setting up curl handle and selecting message to send
- * @param cls plugin
- * @param ses session to send data to
- * @param con connection
- * @return bytes sent to peer
- */
-static ssize_t send_check_connections (void *cls, struct Session *ps);
-
-
-/**
- * Function setting up file descriptors and scheduling task to run
- * @param cls plugin as closure
- * @return GNUNET_SYSERR for hard failure, GNUNET_OK for ok
- */
-static int curl_schedule(void *cls );
-
-static char * create_url(void * cls, const void * addr, size_t addrlen, size_t id)
-{
- struct Plugin *plugin = cls;
- char *url = NULL;
- char *addr_str = (char *) http_plugin_address_to_string(NULL, addr, addrlen);
-
- GNUNET_assert ((addr!=NULL) && (addrlen != 0));
- GNUNET_asprintf(&url,
- "%s://%s/%s;%u", PROTOCOL_PREFIX, addr_str,
- (char *) (&plugin->my_ascii_hash_ident),id);
- GNUNET_free_non_null(addr_str);
- return url;
-}
-
-/**
- * Removes a message from the linked list of messages
- * @param ps session
- * @param msg message to remove
- * @return GNUNET_SYSERR if msg not found, GNUNET_OK on success
- */
-static int remove_http_message (struct Session * ps, struct HTTP_Message * msg)
-{
- GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,ps->pending_msgs_tail,msg);
- GNUNET_free(msg);
- return GNUNET_OK;
-}
-
-int remove_peer_context_Iterator (void *cls, const GNUNET_HashCode *key, void *value);
-
-/**
- * Removes a session from the linked list of sessions
- * @param pc peer context
- * @param ps session
- * @param call_msg_cont GNUNET_YES to call pending message continuations, otherwise no
- * @param call_msg_cont_result result to call message continuations with
- * @return GNUNET_SYSERR if msg not found, GNUNET_OK on success
- */
-static int remove_session (struct HTTP_PeerContext * pc, struct Session * ps, int call_msg_cont, int call_msg_cont_result)
-{
- struct HTTP_Message * msg;
- struct Plugin * plugin = ps->peercontext->plugin;
-
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: removing %s session %X with id %u\n", ps, (ps->direction == INBOUND) ? "inbound" : "outbound", ps, ps->session_id);
-#endif
- plugin->env->session_end(plugin, &pc->identity, ps);
-
- GNUNET_free_non_null (ps->addr);
- GNUNET_SERVER_mst_destroy (ps->msgtok);
- GNUNET_free(ps->url);
-
- if (ps->direction==INBOUND)
- {
- if (ps->recv_endpoint != NULL)
- {
- curl_easy_cleanup(ps->recv_endpoint);
- ps->recv_endpoint = NULL;
- }
- if (ps->send_endpoint != NULL)
- {
- curl_easy_cleanup(ps->send_endpoint);
- ps->send_endpoint = NULL;
- }
- }
-
- msg = ps->pending_msgs_head;
- while (msg!=NULL)
- {
- if ((call_msg_cont == GNUNET_YES) && (msg->transmit_cont!=NULL))
- {
- msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,call_msg_cont_result);
- }
- GNUNET_CONTAINER_DLL_remove(ps->pending_msgs_head,ps->pending_msgs_head,msg);
- GNUNET_free(msg);
- msg = ps->pending_msgs_head;
- }
-
- GNUNET_CONTAINER_DLL_remove(pc->head,pc->tail,ps);
- GNUNET_free(ps);
- ps = NULL;
-
- /* no sessions left remove peer */
- if (pc->head==NULL)
- {
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No sessions left for peer `%s', removing context\n",GNUNET_i2s(&pc->identity));
-#endif
- remove_peer_context_Iterator(plugin, &pc->identity.hashPubKey, pc);
- }
-
- return GNUNET_OK;
-}
-
-int remove_peer_context_Iterator (void *cls, const GNUNET_HashCode *key, void *value)
-{
- struct Plugin *plugin = cls;
- struct HTTP_PeerContext * pc = value;
- struct Session * ps = pc->head;
- struct Session * tmp = NULL;
- struct HTTP_Message * msg = NULL;
- struct HTTP_Message * msg_tmp = NULL;
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Freeing context for peer `%s'\n",GNUNET_i2s(&pc->identity));
-#endif
- GNUNET_CONTAINER_multihashmap_remove (plugin->peers, &pc->identity.hashPubKey, pc);
- while (ps!=NULL)
- {
- plugin->env->session_end(plugin, &pc->identity, ps);
- tmp = ps->next;
-
- GNUNET_free_non_null (ps->addr);
- GNUNET_free(ps->url);
- if (ps->msgtok != NULL)
- GNUNET_SERVER_mst_destroy (ps->msgtok);
-
- msg = ps->pending_msgs_head;
- while (msg!=NULL)
- {
- msg_tmp = msg->next;
- GNUNET_free(msg);
- msg = msg_tmp;
- }
- if (ps->direction==OUTBOUND)
- {
- if (ps->send_endpoint!=NULL)
- curl_easy_cleanup(ps->send_endpoint);
- if (ps->recv_endpoint!=NULL)
- curl_easy_cleanup(ps->recv_endpoint);
- }
-
- GNUNET_free(ps);
- ps=tmp;
- }
- GNUNET_free(pc);
- GNUNET_STATISTICS_update (plugin->env->stats,
- gettext_noop ("# HTTP peers active"),
- -1,
- GNUNET_NO);
- return GNUNET_YES;
-}
-
-/**
- * Add the IP of our network interface to the list of
- * our external IP addresses.
- *
- * @param cls the 'struct Plugin*'
- * @param name name of the interface
- * @param isDefault do we think this may be our default interface
- * @param addr address of the interface
- * @param addrlen number of bytes in addr
- * @return GNUNET_OK to continue iterating
- */
-static int
-process_interfaces (void *cls,
- const char *name,
- int isDefault,
- const struct sockaddr *addr, socklen_t addrlen)
-{
- struct Plugin *plugin = cls;
- struct IPv4HttpAddress * t4;
- struct IPv6HttpAddress * t6;
- int af;
-
-
- GNUNET_assert(cls !=NULL);
- af = addr->sa_family;
- if ((af == AF_INET) && (plugin->use_ipv4 == GNUNET_YES) && (plugin->bind6_address == NULL))
- {
- struct in_addr bnd_cmp = ((struct sockaddr_in *) addr)->sin_addr;
- t4 = GNUNET_malloc(sizeof(struct IPv4HttpAddress));
- /* Not skipping loopback addresses
- if (INADDR_LOOPBACK == ntohl(((struct sockaddr_in *) addr)->sin_addr.s_addr))
- {
-
- return GNUNET_OK;
- }
- */
- t4->ipv4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
- t4->u_port = htons (plugin->port_inbound);
- if (plugin->bind4_address != NULL)
- {
- if (0 == memcmp(&plugin->bind4_address->sin_addr, &bnd_cmp, sizeof (struct in_addr)))
- {
- plugin->env->notify_address(plugin->env->cls,"https",t4, sizeof (struct IPv4HttpAddress), GNUNET_TIME_UNIT_FOREVER_REL);
- }
- }
- else
- {
- plugin->env->notify_address(plugin->env->cls,"https",t4, sizeof (struct IPv4HttpAddress), GNUNET_TIME_UNIT_FOREVER_REL);
- }
- GNUNET_free (t4);
- }
- else if ((af == AF_INET6) && (plugin->use_ipv6 == GNUNET_YES) && (plugin->bind4_address == NULL))
- {
- struct in6_addr bnd_cmp6 = ((struct sockaddr_in6 *) addr)->sin6_addr;
- if (IN6_IS_ADDR_LINKLOCAL (&((struct sockaddr_in6 *) addr)->sin6_addr))
- {
- return GNUNET_OK;
- }
- t6 = GNUNET_malloc(sizeof(struct IPv6HttpAddress));
- GNUNET_assert(t6 != NULL);
- if (plugin->bind6_address != NULL)
- {
- if (0 == memcmp(&plugin->bind6_address->sin6_addr, &bnd_cmp6, sizeof (struct in6_addr)))
- {
- memcpy (&t6->ipv6_addr,
- &((struct sockaddr_in6 *) addr)->sin6_addr,
- sizeof (struct in6_addr));
- t6->u6_port = htons (plugin->port_inbound);
- plugin->env->notify_address(plugin->env->cls,"https",t6,sizeof (struct IPv6HttpAddress) , GNUNET_TIME_UNIT_FOREVER_REL);
- }
- }
- else
- {
- memcpy (&t6->ipv6_addr,
- &((struct sockaddr_in6 *) addr)->sin6_addr,
- sizeof (struct in6_addr));
- t6->u6_port = htons (plugin->port_inbound);
- plugin->env->notify_address(plugin->env->cls,"https",t6,sizeof (struct IPv6HttpAddress) , GNUNET_TIME_UNIT_FOREVER_REL);
- }
- GNUNET_free (t6);
- }
- return GNUNET_OK;
-}
-
-void mhd_logger (void * arg, const char * fmt, va_list ap)
-{
- char text[1024];
- vsnprintf(text, 1024, fmt, ap);
- va_end(ap);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,"MHD: %s \n", text);
-}
-
-/**
- * Callback called by MHD when a connection is terminated
- */
-static void mhd_termination_cb (void *cls, struct MHD_Connection * connection, void **httpSessionCache)
-{
- struct Session * ps = *httpSessionCache;
- if (ps == NULL)
- return;
- struct HTTP_PeerContext * pc = ps->peercontext;
-
- if (connection==ps->recv_endpoint)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound connection from peer `%s' was terminated\n", ps, GNUNET_i2s(&pc->identity));
-#endif
- ps->recv_active = GNUNET_NO;
- ps->recv_connected = GNUNET_NO;
- ps->recv_endpoint = NULL;
- }
- if (connection==ps->send_endpoint)
- {
-
- ps->send_active = GNUNET_NO;
- ps->send_connected = GNUNET_NO;
- ps->send_endpoint = NULL;
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound connection from peer `%s' was terminated\n", ps, GNUNET_i2s(&pc->identity));
-#endif
- }
-
- /* if both connections disconnected, remove session */
- if ((ps->send_connected == GNUNET_NO) && (ps->recv_connected == GNUNET_NO))
- {
- GNUNET_STATISTICS_update (pc->plugin->env->stats,
- gettext_noop ("# HTTPS inbound sessions for peers active"),
- -1,
- GNUNET_NO);
- remove_session(pc,ps,GNUNET_YES,GNUNET_SYSERR);
- }
-}
-
-static void mhd_write_mst_cb (void *cls,
- void *client,
- const struct GNUNET_MessageHeader *message)
-{
-
- struct Session *ps = cls;
- GNUNET_assert(ps != NULL);
-
- struct HTTP_PeerContext *pc = ps->peercontext;
- GNUNET_assert(pc != NULL);
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connection %X: Forwarding message to transport service, type %u and size %u from `%s' (`%s')\n",
- ps,
- ntohs(message->type),
- ntohs(message->size),
- GNUNET_i2s(&(ps->peercontext)->identity),http_plugin_address_to_string(NULL,ps->addr,ps->addrlen));
-#endif
- pc->plugin->env->receive (ps->peercontext->plugin->env->cls,
- &pc->identity,
- message, 1, ps,
- NULL,
- 0);
-}
-
-/**
- * Check if ip is allowed to connect.
- */
-static int
-mhd_accept_cb (void *cls,
- const struct sockaddr *addr, socklen_t addr_len)
-{
-#if 0
- struct Plugin *plugin = cls;
-#endif
- /* Every connection is accepted, nothing more to do here */
- return MHD_YES;
-}
-
-int mhd_send_callback (void *cls, uint64_t pos, char *buf, int max)
-{
- int bytes_read = 0;
-
- struct Session * ps = cls;
- struct HTTP_PeerContext * pc;
- struct HTTP_Message * msg;
-
- GNUNET_assert (ps!=NULL);
- pc = ps->peercontext;
- msg = ps->pending_msgs_tail;
- if (ps->send_force_disconnect==GNUNET_YES)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound forced to disconnect\n",ps);
-#endif
- return -1;
- }
-
- if (msg!=NULL)
- {
- if ((msg->size-msg->pos) <= max)
- {
- memcpy(buf,&msg->buf[msg->pos],(msg->size-msg->pos));
- bytes_read = msg->size-msg->pos;
- msg->pos+=(msg->size-msg->pos);
- }
- else
- {
- memcpy(buf,&msg->buf[msg->pos],max);
- msg->pos+=max;
- bytes_read = max;
- }
-
- if (msg->pos==msg->size)
- {
- if (NULL!=msg->transmit_cont)
- msg->transmit_cont (msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
- remove_http_message(ps,msg);
- }
- }
- return bytes_read;
-}
-
-/**
- * Process GET or PUT request received via MHD. For
- * GET, queue response that will send back our pending
- * messages. For PUT, process incoming data and send
- * to GNUnet core. In either case, check if a session
- * already exists and create a new one if not.
- */
-static int
-mdh_access_cb (void *cls,
- struct MHD_Connection *mhd_connection,
- const char *url,
- const char *method,
- const char *version,
- const char *upload_data,
- size_t * upload_data_size, void **httpSessionCache)
-{
- struct Plugin *plugin = cls;
- struct MHD_Response *response;
- const union MHD_ConnectionInfo * conn_info;
-
- struct sockaddr_in *addrin;
- struct sockaddr_in6 *addrin6;
-
- char address[INET6_ADDRSTRLEN+14];
- struct GNUNET_PeerIdentity pi_in;
- size_t id_num = 0;
-
- struct IPv4HttpAddress ipv4addr;
- struct IPv6HttpAddress ipv6addr;
-
- struct HTTP_PeerContext *pc;
- struct Session *ps = NULL;
- struct Session *ps_tmp = NULL;
-
- int res = GNUNET_NO;
- int send_error_to_client;
- void * addr = NULL;
- size_t addr_len = 0;
-
- GNUNET_assert(cls !=NULL);
- send_error_to_client = GNUNET_NO;
-
- if (NULL == *httpSessionCache)
- {
- /* check url for peer identity , if invalid send HTTP 404*/
- size_t len = strlen(&url[1]);
- char * peer = GNUNET_malloc(104+1);
-
- if ((len>104) && (url[104]==';'))
- {
- char * id = GNUNET_malloc((len-104)+1);
- strcpy(id,&url[105]);
- memcpy(peer,&url[1],103);
- peer[103] = '\0';
- id_num = strtoul ( id, NULL , 10);
- GNUNET_free(id);
- }
- res = GNUNET_CRYPTO_hash_from_string (peer, &(pi_in.hashPubKey));
- GNUNET_free(peer);
- if ( GNUNET_SYSERR == res )
- {
- response = MHD_create_response_from_data (strlen (HTTP_ERROR_RESPONSE),HTTP_ERROR_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (mhd_connection, MHD_HTTP_NOT_FOUND, response);
- MHD_destroy_response (response);
-#if DEBUG_CONNECTIONS
- if (res == MHD_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Peer has no valid ident, sent HTTP 1.1/404\n");
- else
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Peer has no valid ident, could not send error\n");
-#endif
- return res;
- }
- }
- else
- {
- ps = *httpSessionCache;
- pc = ps->peercontext;
- }
-
- if (NULL == *httpSessionCache)
- {
- /* get peer context */
- pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &pi_in.hashPubKey);
- /* Peer unknown */
- if (pc==NULL)
- {
- pc = GNUNET_malloc(sizeof (struct HTTP_PeerContext));
- pc->plugin = plugin;
- pc->session_id_counter=1;
- pc->last_session = NULL;
- memcpy(&pc->identity, &pi_in, sizeof(struct GNUNET_PeerIdentity));
- GNUNET_CONTAINER_multihashmap_put(plugin->peers, &pc->identity.hashPubKey, pc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
- GNUNET_STATISTICS_update (plugin->env->stats,
- gettext_noop ("# HTTP peers active"),
- 1,
- GNUNET_NO);
- }
-
- conn_info = MHD_get_connection_info(mhd_connection, MHD_CONNECTION_INFO_CLIENT_ADDRESS );
- /* Incoming IPv4 connection */
- if ( AF_INET == conn_info->client_addr->sin_family)
- {
- addrin = conn_info->client_addr;
- inet_ntop(addrin->sin_family, &(addrin->sin_addr),address,INET_ADDRSTRLEN);
- memcpy(&ipv4addr.ipv4_addr,&(addrin->sin_addr),sizeof(struct in_addr));
- ipv4addr.u_port = addrin->sin_port;
- addr = &ipv4addr;
- addr_len = sizeof(struct IPv4HttpAddress);
- }
- /* Incoming IPv6 connection */
- if ( AF_INET6 == conn_info->client_addr->sin_family)
- {
- addrin6 = (struct sockaddr_in6 *) conn_info->client_addr;
- inet_ntop(addrin6->sin6_family, &(addrin6->sin6_addr),address,INET6_ADDRSTRLEN);
- memcpy(&ipv6addr.ipv6_addr,&(addrin6->sin6_addr),sizeof(struct in6_addr));
- ipv6addr.u6_port = addrin6->sin6_port;
- addr = &ipv6addr;
- addr_len = sizeof(struct IPv6HttpAddress);
- }
-
- GNUNET_assert (addr != NULL);
- GNUNET_assert (addr_len != 0);
-
- ps = NULL;
- /* only inbound sessions here */
-
- ps_tmp = pc->head;
- while (ps_tmp!=NULL)
- {
- if ((ps_tmp->direction==INBOUND) && (ps_tmp->session_id == id_num) && (id_num!=0))
- {
- if ((ps_tmp->recv_force_disconnect!=GNUNET_YES) && (ps_tmp->send_force_disconnect!=GNUNET_YES))
- ps=ps_tmp;
- break;
- }
- ps_tmp=ps_tmp->next;
- }
-
- if (ps==NULL)
- {
- ps = GNUNET_malloc(sizeof (struct Session));
- ps->addr = GNUNET_malloc(addr_len);
- memcpy(ps->addr,addr,addr_len);
- ps->addrlen = addr_len;
- ps->direction=INBOUND;
- ps->pending_msgs_head = NULL;
- ps->pending_msgs_tail = NULL;
- ps->send_connected=GNUNET_NO;
- ps->send_active=GNUNET_NO;
- ps->recv_connected=GNUNET_NO;
- ps->recv_active=GNUNET_NO;
- ps->peercontext=pc;
- ps->session_id =id_num;
- ps->url = create_url (plugin, ps->addr, ps->addrlen, ps->session_id);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
- GNUNET_STATISTICS_update (plugin->env->stats,
- gettext_noop ("# HTTPS inbound sessions for peers active"),
- 1,
- GNUNET_NO);
- }
-
- *httpSessionCache = ps;
- if (ps->msgtok==NULL)
- ps->msgtok = GNUNET_SERVER_mst_create (&mhd_write_mst_cb, ps);
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: HTTPS Daemon has new an incoming `%s' request from peer `%s' (`%s')\n",
- ps,
- method,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen));
-#endif
- }
-
- /* Is it a PUT or a GET request */
- if (0 == strcmp (MHD_HTTP_METHOD_PUT, method))
- {
- if (ps->recv_force_disconnect == GNUNET_YES)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound connection was forced to disconnect\n",ps);
-#endif
- ps->recv_active = GNUNET_NO;
- return MHD_NO;
- }
- if ((*upload_data_size == 0) && (ps->recv_active==GNUNET_NO))
- {
- ps->recv_endpoint = mhd_connection;
- ps->recv_connected = GNUNET_YES;
- ps->recv_active = GNUNET_YES;
- ps->recv_force_disconnect = GNUNET_NO;
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound PUT connection connected\n",ps);
-#endif
- return MHD_YES;
- }
-
- /* Transmission of all data complete */
- if ((*upload_data_size == 0) && (ps->recv_active == GNUNET_YES))
- {
- response = MHD_create_response_from_data (strlen (HTTP_PUT_RESPONSE),HTTP_PUT_RESPONSE, MHD_NO, MHD_NO);
- res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: Sent HTTP/1.1: 200 OK as PUT Response\n",ps);
-#endif
- MHD_destroy_response (response);
- ps->recv_active=GNUNET_NO;
- return MHD_YES;
- }
-
- /* Recieving data */
- if ((*upload_data_size > 0) && (ps->recv_active == GNUNET_YES))
- {
- res = GNUNET_SERVER_mst_receive(ps->msgtok, ps, upload_data,*upload_data_size, GNUNET_NO, GNUNET_NO);
- (*upload_data_size) = 0;
- return MHD_YES;
- }
- else
- return MHD_NO;
- }
- if ( 0 == strcmp (MHD_HTTP_METHOD_GET, method) )
- {
- if (ps->send_force_disconnect == GNUNET_YES)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound connection was forced to disconnect\n",ps);
-#endif
- ps->send_active = GNUNET_NO;
- return MHD_NO;
- }
- ps->send_connected = GNUNET_YES;
- ps->send_active = GNUNET_YES;
- ps->send_endpoint = mhd_connection;
- ps->send_force_disconnect = GNUNET_NO;
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: inbound GET connection connected\n",ps);
-#endif
- response = MHD_create_response_from_callback(-1,32 * 1024, &mhd_send_callback, ps, NULL);
- res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
- MHD_destroy_response (response);
- return MHD_YES;
- }
- return MHD_NO;
-}
-
-/**
- * Function that queries MHD's select sets and
- * starts the task waiting for them.
- */
-static GNUNET_SCHEDULER_TaskIdentifier
-http_server_daemon_prepare (void * cls, struct MHD_Daemon *daemon_handle)
-{
- struct Plugin *plugin = cls;
- GNUNET_SCHEDULER_TaskIdentifier ret;
- fd_set rs;
- fd_set ws;
- fd_set es;
- struct GNUNET_NETWORK_FDSet *wrs;
- struct GNUNET_NETWORK_FDSet *wws;
- struct GNUNET_NETWORK_FDSet *wes;
- int max;
- unsigned long long timeout;
- int haveto;
- struct GNUNET_TIME_Relative tv;
-
- GNUNET_assert(cls !=NULL);
- ret = GNUNET_SCHEDULER_NO_TASK;
- FD_ZERO(&rs);
- FD_ZERO(&ws);
- FD_ZERO(&es);
- wrs = GNUNET_NETWORK_fdset_create ();
- wes = GNUNET_NETWORK_fdset_create ();
- wws = GNUNET_NETWORK_fdset_create ();
- max = -1;
- GNUNET_assert (MHD_YES ==
- MHD_get_fdset (daemon_handle,
- &rs,
- &ws,
- &es,
- &max));
- haveto = MHD_get_timeout (daemon_handle, &timeout);
- if (haveto == MHD_YES)
- tv.value = (uint64_t) timeout;
- else
- tv = GNUNET_TIME_UNIT_FOREVER_REL;
- GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max);
- GNUNET_NETWORK_fdset_copy_native (wws, &ws, max);
- GNUNET_NETWORK_fdset_copy_native (wes, &es, max);
- if (daemon_handle == plugin->http_server_daemon_v4)
- {
- if (plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v4);
- plugin->http_server_daemon_v4 = GNUNET_SCHEDULER_NO_TASK;
- }
-
- ret = GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- tv,
- wrs,
- wws,
- &http_server_daemon_v4_run,
- plugin);
- }
- if (daemon_handle == plugin->http_server_daemon_v6)
- {
- if (plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v6);
- plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
- }
-
- ret = GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- tv,
- wrs,
- wws,
- &http_server_daemon_v6_run,
- plugin);
- }
- GNUNET_NETWORK_fdset_destroy (wrs);
- GNUNET_NETWORK_fdset_destroy (wws);
- GNUNET_NETWORK_fdset_destroy (wes);
- return ret;
-}
-
-/**
- * Call MHD to process pending requests and then go back
- * and schedule the next run.
- */
-static void http_server_daemon_v4_run (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct Plugin *plugin = cls;
-
- GNUNET_assert(cls !=NULL);
- plugin->http_server_task_v4 = GNUNET_SCHEDULER_NO_TASK;
-
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
-
- GNUNET_assert (MHD_YES == MHD_run (plugin->http_server_daemon_v4));
- plugin->http_server_task_v4 = http_server_daemon_prepare (plugin, plugin->http_server_daemon_v4);
- return;
-}
-
-
-/**
- * Call MHD to process pending requests and then go back
- * and schedule the next run.
- */
-static void http_server_daemon_v6_run (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct Plugin *plugin = cls;
-
- GNUNET_assert(cls !=NULL);
- plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
-
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
-
- GNUNET_assert (MHD_YES == MHD_run (plugin->http_server_daemon_v6));
- plugin->http_server_task_v6 = http_server_daemon_prepare (plugin, plugin->http_server_daemon_v6);
- return;
-}
-
-static size_t curl_get_header_cb( void *ptr, size_t size, size_t nmemb, void *stream)
-{
- struct Session * ps = stream;
-
- long http_result = 0;
- int res;
- /* Getting last http result code */
- GNUNET_assert(NULL!=ps);
- if (ps->recv_connected==GNUNET_NO)
- {
- res = curl_easy_getinfo(ps->recv_endpoint, CURLINFO_RESPONSE_CODE, &http_result);
- if (CURLE_OK == res)
- {
- if (http_result == 200)
- {
- ps->recv_connected = GNUNET_YES;
- ps->recv_active = GNUNET_YES;
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: connected to recieve data\n",ps);
-#endif
- // Calling send_check_connections again since receive is established
- send_check_connections (ps->peercontext->plugin, ps);
- }
- }
- }
-
-#if DEBUG_CURL
- char * tmp;
- size_t len = size * nmemb;
-
- tmp = NULL;
- if ((size * nmemb) < SIZE_MAX)
- tmp = GNUNET_malloc (len+1);
-
- if ((tmp != NULL) && (len > 0))
- {
- memcpy(tmp,ptr,len);
- if (len>=2)
- {
- if (tmp[len-2] == 13)
- tmp[len-2]= '\0';
- }
-#if DEBUG_CURL
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: Header: %s\n",ps,tmp);
-#endif
- }
- if (NULL != tmp)
- GNUNET_free (tmp);
-#endif
-
- return size * nmemb;
-}
-
-static size_t curl_put_header_cb( void *ptr, size_t size, size_t nmemb, void *stream)
-{
- struct Session * ps = stream;
-
- char * tmp;
- size_t len = size * nmemb;
- long http_result = 0;
- int res;
-
- /* Getting last http result code */
- GNUNET_assert(NULL!=ps);
- res = curl_easy_getinfo(ps->send_endpoint, CURLINFO_RESPONSE_CODE, &http_result);
- if (CURLE_OK == res)
- {
- if ((http_result == 100) && (ps->send_connected==GNUNET_NO))
- {
- ps->send_connected = GNUNET_YES;
- ps->send_active = GNUNET_YES;
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: connected to send data\n",ps);
-#endif
- }
- if ((http_result == 200) && (ps->send_connected==GNUNET_YES))
- {
- ps->send_connected = GNUNET_NO;
- ps->send_active = GNUNET_NO;
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: sending disconnected\n",ps);
-#endif
- }
- }
-
- tmp = NULL;
- if ((size * nmemb) < SIZE_MAX)
- tmp = GNUNET_malloc (len+1);
-
- if ((tmp != NULL) && (len > 0))
- {
- memcpy(tmp,ptr,len);
- if (len>=2)
- {
- if (tmp[len-2] == 13)
- tmp[len-2]= '\0';
- }
- }
- if (NULL != tmp)
- GNUNET_free (tmp);
-
- return size * nmemb;
-}
-
-/**
- * Callback method used with libcurl
- * Method is called when libcurl needs to read data during sending
- * @param stream pointer where to write data
- * @param size size of an individual element
- * @param nmemb count of elements that can be written to the buffer
- * @param ptr source pointer, passed to the libcurl handle
- * @return bytes written to stream
- */
-static size_t curl_send_cb(void *stream, size_t size, size_t nmemb, void *ptr)
-{
- struct Session * ps = ptr;
- struct HTTP_Message * msg = ps->pending_msgs_tail;
- size_t bytes_sent;
- size_t len;
-
- if (ps->send_active == GNUNET_NO)
- return CURL_READFUNC_PAUSE;
-
- if ((ps->pending_msgs_tail == NULL) && (ps->send_active == GNUNET_YES))
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: No Message to send, pausing connection\n",ps);
-#endif
- ps->send_active = GNUNET_NO;
- return CURL_READFUNC_PAUSE;
- }
-
- GNUNET_assert (msg!=NULL);
-
- /* data to send */
- if (msg->pos < msg->size)
- {
- /* data fit in buffer */
- if ((msg->size - msg->pos) <= (size * nmemb))
- {
- len = (msg->size - msg->pos);
- memcpy(stream, &msg->buf[msg->pos], len);
- msg->pos += len;
- bytes_sent = len;
- }
- else
- {
- len = size*nmemb;
- memcpy(stream, &msg->buf[msg->pos], len);
- msg->pos += len;
- bytes_sent = len;
- }
- }
- /* no data to send */
- else
- {
- bytes_sent = 0;
- }
-
- if ( msg->pos == msg->size)
- {
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: Message with %u bytes sent, removing message from queue \n",ps, msg->pos);
-#endif
- /* Calling transmit continuation */
- if (NULL != msg->transmit_cont)
- msg->transmit_cont (msg->transmit_cont_cls,&(ps->peercontext)->identity,GNUNET_OK);
- remove_http_message(ps, msg);
- }
- return bytes_sent;
-}
-
-static void curl_receive_mst_cb (void *cls,
- void *client,
- const struct GNUNET_MessageHeader *message)
-{
- struct Session *ps = cls;
- GNUNET_assert(ps != NULL);
-
- struct HTTP_PeerContext *pc = ps->peercontext;
- GNUNET_assert(pc != NULL);
-
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connection %X: Forwarding message to transport service, type %u and size %u from `%s' (`%s')\n",
- ps,
- ntohs(message->type),
- ntohs(message->size),
- GNUNET_i2s(&(pc->identity)),http_plugin_address_to_string(NULL,ps->addr,ps->addrlen));
-#endif
- pc->plugin->env->receive (pc->plugin->env->cls,
- &pc->identity,
- message, 1, ps,
- ps->addr,
- ps->addrlen);
-}
-
-
-/**
-* Callback method used with libcurl
-* Method is called when libcurl needs to write data during sending
-* @param stream pointer where to write data
-* @param size size of an individual element
-* @param nmemb count of elements that can be written to the buffer
-* @param ptr destination pointer, passed to the libcurl handle
-* @return bytes read from stream
-*/
-static size_t curl_receive_cb( void *stream, size_t size, size_t nmemb, void *ptr)
-{
- struct Session * ps = ptr;
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: %u bytes received\n",ps, size*nmemb);
-#endif
- GNUNET_SERVER_mst_receive(ps->msgtok, ps, stream, size*nmemb, GNUNET_NO, GNUNET_NO);
- return (size * nmemb);
-
-}
-
-static void curl_handle_finished (struct Plugin *plugin)
-{
- struct Session *ps = NULL;
- struct HTTP_PeerContext *pc = NULL;
- struct CURLMsg *msg;
- struct HTTP_Message * cur_msg = NULL;
-
- int msgs_in_queue;
- char * tmp;
- long http_result;
-
- do
- {
- msg = curl_multi_info_read (plugin->multi_handle, &msgs_in_queue);
- if ((msgs_in_queue == 0) || (msg == NULL))
- break;
- /* get session for affected curl handle */
- GNUNET_assert ( msg->easy_handle != NULL );
- curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE, &tmp);
- ps = (struct Session *) tmp;
- GNUNET_assert ( ps != NULL );
- pc = ps->peercontext;
- GNUNET_assert ( pc != NULL );
- switch (msg->msg)
- {
-
- case CURLMSG_DONE:
- if ( (msg->data.result != CURLE_OK) &&
- (msg->data.result != CURLE_GOT_NOTHING) )
- {
- /* sending msg failed*/
- if (msg->easy_handle == ps->send_endpoint)
- {
- #if DEBUG_CONNECTIONS
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- _("Connection %X: HTTP PUT to peer `%s' (`%s') failed: `%s' `%s'\n"),
- ps,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
- "curl_multi_perform",
- curl_easy_strerror (msg->data.result));
- #endif
- ps->send_connected = GNUNET_NO;
- ps->send_active = GNUNET_NO;
- curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
- //curl_easy_cleanup(ps->send_endpoint);
- //ps->send_endpoint=NULL;
- cur_msg = ps->pending_msgs_tail;
- if (( NULL != cur_msg) && ( NULL != cur_msg->transmit_cont))
- cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_SYSERR);
- }
- /* GET connection failed */
- if (msg->easy_handle == ps->recv_endpoint)
- {
- #if DEBUG_CONNECTIONS
- GNUNET_log(GNUNET_ERROR_TYPE_INFO,
- _("Connection %X: HTTP GET to peer `%s' (`%s') failed: `%s' `%s'\n"),
- ps,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
- "curl_multi_perform",
- curl_easy_strerror (msg->data.result));
- #endif
- ps->recv_connected = GNUNET_NO;
- ps->recv_active = GNUNET_NO;
- curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
- //curl_easy_cleanup(ps->recv_endpoint);
- //ps->recv_endpoint=NULL;
- }
- }
- else
- {
- if (msg->easy_handle == ps->send_endpoint)
- {
- GNUNET_assert (CURLE_OK == curl_easy_getinfo(msg->easy_handle, CURLINFO_RESPONSE_CODE, &http_result));
- #if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connection %X: HTTP PUT connection to peer `%s' (`%s') was closed with HTTP code %u\n",
- ps,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
- http_result);
- #endif
- /* Calling transmit continuation */
- cur_msg = ps->pending_msgs_tail;
- if (( NULL != cur_msg) && (NULL != cur_msg->transmit_cont))
- {
- /* HTTP 1xx : Last message before here was informational */
- if ((http_result >=100) && (http_result < 200))
- cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
- /* HTTP 2xx: successful operations */
- if ((http_result >=200) && (http_result < 300))
- cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_OK);
- /* HTTP 3xx..5xx: error */
- if ((http_result >=300) && (http_result < 600))
- cur_msg->transmit_cont (cur_msg->transmit_cont_cls,&pc->identity,GNUNET_SYSERR);
- }
- ps->send_connected = GNUNET_NO;
- ps->send_active = GNUNET_NO;
- curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint);
- //curl_easy_cleanup(ps->send_endpoint);
- //ps->send_endpoint =NULL;
- }
- if (msg->easy_handle == ps->recv_endpoint)
- {
- #if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connection %X: HTTP GET connection to peer `%s' (`%s') was closed with HTTP code %u\n",
- ps,
- GNUNET_i2s(&pc->identity),
- http_plugin_address_to_string(NULL, ps->addr, ps->addrlen),
- http_result);
- #endif
- ps->recv_connected = GNUNET_NO;
- ps->recv_active = GNUNET_NO;
- curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint);
- //curl_easy_cleanup(ps->recv_endpoint);
- //ps->recv_endpoint=NULL;
- }
- }
- if ((ps->recv_connected == GNUNET_NO) && (ps->send_connected == GNUNET_NO))
- remove_session (pc, ps, GNUNET_YES, GNUNET_SYSERR);
- break;
- default:
- break;
- }
- }
- while ( (msgs_in_queue > 0) );
-}
-
-
-/**
- * Task performing curl operations
- * @param cls plugin as closure
- * @param tc gnunet scheduler task context
- */
-static void curl_perform (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct Plugin *plugin = cls;
- static unsigned int handles_last_run;
- int running;
- CURLMcode mret;
-
- GNUNET_assert(cls !=NULL);
-
-
-
- plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
-
- do
- {
- running = 0;
- mret = curl_multi_perform (plugin->multi_handle, &running);
- if ((running < handles_last_run) && (running>0))
- curl_handle_finished(plugin);
- handles_last_run = running;
- }
- while (mret == CURLM_CALL_MULTI_PERFORM);
-
- curl_schedule(plugin);
-}
-
-
-
-/**
- * Function setting up file descriptors and scheduling task to run
- * @param cls plugin as closure
- * @param target peer to disconnect from
- * @return GNUNET_SYSERR for hard failure, GNUNET_OK for ok
- */
-static void
-http_plugin_disconnect (void *cls,
- const struct GNUNET_PeerIdentity *target)
-{
-
-
- struct Plugin *plugin = cls;
- struct HTTP_PeerContext *pc = NULL;
- struct Session *ps = NULL;
- //struct Session *tmp = NULL;
-
- pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &target->hashPubKey);
- if (pc==NULL)
- return;
- ps = pc->head;
-
- while (ps!=NULL)
- {
- /* Telling transport that session is getting disconnected */
- plugin->env->session_end(plugin, target, ps);
- if (ps->direction==OUTBOUND)
- {
- if (ps->send_endpoint!=NULL)
- {
- //GNUNET_assert(CURLM_OK == curl_multi_remove_handle(plugin->multi_handle,ps->send_endpoint));
- //curl_easy_cleanup(ps->send_endpoint);
- //ps->send_endpoint=NULL;
- ps->send_force_disconnect = GNUNET_YES;
- }
- if (ps->recv_endpoint!=NULL)
- {
- //GNUNET_assert(CURLM_OK == curl_multi_remove_handle(plugin->multi_handle,ps->recv_endpoint));
- //curl_easy_cleanup(ps->recv_endpoint);
- //ps->recv_endpoint=NULL;
- ps->recv_force_disconnect = GNUNET_YES;
- }
- }
-
- if (ps->direction==INBOUND)
- {
- ps->recv_force_disconnect = GNUNET_YES;
- ps->send_force_disconnect = GNUNET_YES;
- }
-
- while (ps->pending_msgs_head!=NULL)
- {
- remove_http_message(ps, ps->pending_msgs_head);
- }
- ps->recv_active = GNUNET_NO;
- ps->send_active = GNUNET_NO;
- ps=ps->next;
- }
-}
-
-
-
-/**
- * Function setting up file descriptors and scheduling task to run
- * @param cls plugin as closure
- * @return GNUNET_SYSERR for hard failure, GNUNET_OK for ok
- */
-static int curl_schedule(void *cls)
-{
- struct Plugin *plugin = cls;
- fd_set rs;
- fd_set ws;
- fd_set es;
- int max;
- struct GNUNET_NETWORK_FDSet *grs;
- struct GNUNET_NETWORK_FDSet *gws;
- long to;
- CURLMcode mret;
-
- GNUNET_assert(cls !=NULL);
-
- /* Cancel previous scheduled task */
- if (plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_curl_task);
- plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
- }
-
- max = -1;
- FD_ZERO (&rs);
- FD_ZERO (&ws);
- FD_ZERO (&es);
- mret = curl_multi_fdset (plugin->multi_handle, &rs, &ws, &es, &max);
- if (mret != CURLM_OK)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("%s failed at %s:%d: `%s'\n"),
- "curl_multi_fdset", __FILE__, __LINE__,
- curl_multi_strerror (mret));
- return GNUNET_SYSERR;
- }
- mret = curl_multi_timeout (plugin->multi_handle, &to);
- if (mret != CURLM_OK)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("%s failed at %s:%d: `%s'\n"),
- "curl_multi_timeout", __FILE__, __LINE__,
- curl_multi_strerror (mret));
- return GNUNET_SYSERR;
- }
-
- grs = GNUNET_NETWORK_fdset_create ();
- gws = GNUNET_NETWORK_fdset_create ();
- GNUNET_NETWORK_fdset_copy_native (grs, &rs, max + 1);
- GNUNET_NETWORK_fdset_copy_native (gws, &ws, max + 1);
- plugin->http_curl_task = GNUNET_SCHEDULER_add_select (plugin->env->sched,
- GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- (to == -1) ? GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5) : GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, to),
- grs,
- gws,
- &curl_perform,
- plugin);
- GNUNET_NETWORK_fdset_destroy (gws);
- GNUNET_NETWORK_fdset_destroy (grs);
- return GNUNET_OK;
-}
-
-/**
- * Function setting up curl handle and selecting message to send
- * @param cls plugin
- * @param ps session
- * @return GNUNET_SYSERR on failure, GNUNET_NO if connecting, GNUNET_YES if ok
- */
-static ssize_t send_check_connections (void *cls, struct Session *ps)
-{
- struct Plugin *plugin = cls;
- CURLMcode mret;
- struct HTTP_Message * msg;
-
- struct GNUNET_TIME_Relative timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT;
-
- GNUNET_assert(cls !=NULL);
-
- if (ps->direction == OUTBOUND)
- {
- /* RECV DIRECTION */
- /* Check if session is connected to receive data, otherwise connect to peer */
- if (ps->recv_connected == GNUNET_NO)
- {
- int fresh = GNUNET_NO;
- if (ps->recv_endpoint == NULL)
- {
- fresh = GNUNET_YES;
- ps->recv_endpoint = curl_easy_init();
- }
-#if DEBUG_CURL
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_VERBOSE, 1L);
-#endif
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_URL, ps->url);
- curl_easy_setopt (ps->recv_endpoint, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
- //curl_easy_setopt (ps->recv_endpoint, CURLOPT_SSL_CIPHER_LIST, cipher_suite);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_SSL_VERIFYPEER, 0);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_SSL_VERIFYHOST, 0);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_HEADERFUNCTION, &curl_get_header_cb);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEHEADER, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_READFUNCTION, curl_send_cb);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_READDATA, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEFUNCTION, curl_receive_cb);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_WRITEDATA, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_TIMEOUT, (long) timeout.value);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_PRIVATE, ps);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_CONNECTTIMEOUT, HTTP_CONNECT_TIMEOUT);
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_BUFFERSIZE, GNUNET_SERVER_MAX_MESSAGE_SIZE);
-#if CURL_TCP_NODELAY
- curl_easy_setopt(ps->recv_endpoint, CURLOPT_TCP_NODELAY, 1);
-#endif
-
- if (fresh==GNUNET_YES)
- {
- mret = curl_multi_add_handle(plugin->multi_handle, ps->recv_endpoint);
- if (mret != CURLM_OK)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Connection: %X: %s failed at %s:%d: `%s'\n"),
- ps,
- "curl_multi_add_handle", __FILE__, __LINE__,
- curl_multi_strerror (mret));
- return GNUNET_SYSERR;
- }
- }
- if (plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_curl_task);
- plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
- }
- plugin->http_curl_task = GNUNET_SCHEDULER_add_now (plugin->env->sched, &curl_perform, plugin);
- }
-
- /* waiting for receive direction */
- if (ps->recv_connected==GNUNET_NO)
- return GNUNET_NO;
-
- /* SEND DIRECTION */
- /* Check if session is connected to send data, otherwise connect to peer */
- if ((ps->send_connected == GNUNET_YES) && (ps->send_endpoint!= NULL))
- {
- if (ps->send_active == GNUNET_YES)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound active, enqueueing message\n",ps);
-#endif
-
- return GNUNET_YES;
- }
- if (ps->send_active == GNUNET_NO)
- {
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound paused, unpausing existing connection and enqueueing message\n",ps);
-#endif
- if (CURLE_OK == curl_easy_pause(ps->send_endpoint,CURLPAUSE_CONT))
- {
- if (plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_curl_task);
- plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
- }
- plugin->http_curl_task = GNUNET_SCHEDULER_add_now (plugin->env->sched, &curl_perform, plugin);
- ps->send_active=GNUNET_YES;
- return GNUNET_YES;
- }
- else
- return GNUNET_SYSERR;
- }
- }
- /* not connected, initiate connection */
- if (ps->send_connected==GNUNET_NO)
- {
- int fresh = GNUNET_NO;
- if (NULL == ps->send_endpoint)
- {
- ps->send_endpoint = curl_easy_init();
- fresh = GNUNET_YES;
- }
- GNUNET_assert (ps->send_endpoint != NULL);
- GNUNET_assert (NULL != ps->pending_msgs_tail);
-#if DEBUG_CONNECTIONS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Connection %X: outbound not connected, initiating connection\n",ps);
-#endif
- ps->send_active = GNUNET_NO;
- msg = ps->pending_msgs_tail;
-
-#if DEBUG_CURL
- curl_easy_setopt(ps->send_endpoint, CURLOPT_VERBOSE, 1L);
-#endif
- curl_easy_setopt(ps->send_endpoint, CURLOPT_URL, ps->url);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_PUT, 1L);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_HEADERFUNCTION, &curl_put_header_cb);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_SSL_VERIFYPEER, 0);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_SSL_VERIFYHOST, 0);
-
- curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEHEADER, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_READFUNCTION, curl_send_cb);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_READDATA, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_WRITEFUNCTION, curl_receive_cb);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_READDATA, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_TIMEOUT, (long) timeout.value);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_PRIVATE, ps);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_CONNECTTIMEOUT, HTTP_CONNECT_TIMEOUT);
- curl_easy_setopt(ps->send_endpoint, CURLOPT_BUFFERSIZE, GNUNET_SERVER_MAX_MESSAGE_SIZE);
-#if CURL_TCP_NODELAY
- curl_easy_setopt(ps->send_endpoint, CURLOPT_TCP_NODELAY, 1);
-#endif
-
- if (fresh==GNUNET_YES)
- {
- mret = curl_multi_add_handle(plugin->multi_handle, ps->send_endpoint);
- if (mret != CURLM_OK)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Connection: %X: %s failed at %s:%d: `%s'\n"),
- ps,
- "curl_multi_add_handle", __FILE__, __LINE__,
- curl_multi_strerror (mret));
- return GNUNET_SYSERR;
- }
- }
- }
- if (plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_curl_task);
- plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
- }
- plugin->http_curl_task = GNUNET_SCHEDULER_add_now (plugin->env->sched, &curl_perform, plugin);
- return GNUNET_YES;
- }
- if (ps->direction == INBOUND)
- {
- GNUNET_assert (NULL != ps->pending_msgs_tail);
- if ((ps->recv_connected==GNUNET_YES) && (ps->send_connected==GNUNET_YES) &&
- (ps->recv_force_disconnect==GNUNET_NO) && (ps->recv_force_disconnect==GNUNET_NO))
- return GNUNET_YES;
- }
- return GNUNET_SYSERR;
-}
-
-static struct Session * send_select_session (void * cls, struct HTTP_PeerContext *pc, const void * addr, size_t addrlen, int force_address, struct Session * session)
-{
- struct Session * tmp = NULL;
- int addr_given = GNUNET_NO;
-
- if ((addr!=NULL) && (addrlen>0))
- addr_given = GNUNET_YES;
-
- if (force_address == GNUNET_YES)
- {
- /* check session given as argument */
- if ((session != NULL) && (addr_given == GNUNET_YES))
- {
- if (0 == memcmp(session->addr, addr, addrlen))
- {
- /* connection can not be used, since it is disconnected */
- if ((session->recv_force_disconnect==GNUNET_NO) && (session->send_force_disconnect==GNUNET_NO))
- {
-#if DEBUG_SESSION_SELECTION
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Session %X selected: Using session passed by transport to send to forced address \n", session);
-#endif
- return session;
- }
- }
- }
- /* check last session used */
- if ((pc->last_session != NULL)&& (addr_given == GNUNET_YES))
- {
- if (0 == memcmp(pc->last_session->addr, addr, addrlen))
- {
- /* connection can not be used, since it is disconnected */
- if ((pc->last_session->recv_force_disconnect==GNUNET_NO) && (pc->last_session->send_force_disconnect==GNUNET_NO))
- {
-#if DEBUG_SESSION_SELECTION
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Session %X selected: Using last session used to send to forced address \n", pc->last_session);
-#endif
- return pc->last_session;
- }
- }
- }
- /* find session in existing sessions */
- tmp = pc->head;
- while ((tmp!=NULL) && (addr_given == GNUNET_YES))
- {
-
- if (0 == memcmp(tmp->addr, addr, addrlen))
- {
- /* connection can not be used, since it is disconnected */
- if ((tmp->recv_force_disconnect==GNUNET_NO) && (tmp->send_force_disconnect==GNUNET_NO))
- {
-#if DEBUG_SESSION_SELECTION
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Session %X selected: Using existing session to send to forced address \n", session);
-#endif
- return session;
- }
-
- }
- tmp=tmp->next;
- }
- /* no session to use */
- return NULL;
- }
- if ((force_address == GNUNET_NO) || (force_address == GNUNET_SYSERR))
- {
- /* check session given as argument */
- if (session != NULL)
- {
- /* connection can not be used, since it is disconnected */
- if ((session->recv_force_disconnect==GNUNET_NO) && (session->send_force_disconnect==GNUNET_NO))
- {
-#if DEBUG_SESSION_SELECTION
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Session %X selected: Using session passed by transport to send not-forced address \n", session);
-#endif
- return session;
- }
-
- }
- /* check last session used */
- if (pc->last_session != NULL)
- {
- /* connection can not be used, since it is disconnected */
- if ((pc->last_session->recv_force_disconnect==GNUNET_NO) && (pc->last_session->send_force_disconnect==GNUNET_NO))
- {
-#if DEBUG_SESSION_SELECTION
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Session %X selected: Using last session to send to not-forced address \n", pc->last_session);
-#endif
- return pc->last_session;
- }
- }
- /* find session in existing sessions */
- tmp = pc->head;
- while (tmp!=NULL)
- {
- /* connection can not be used, since it is disconnected */
- if ((tmp->recv_force_disconnect==GNUNET_NO) && (tmp->send_force_disconnect==GNUNET_NO))
- {
-#if DEBUG_SESSION_SELECTION
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Session %X selected: Using existing session to send to not-forced address \n", tmp);
-#endif
- return tmp;
- }
- tmp=tmp->next;
- }
- return NULL;
- }
- return NULL;
-}
-
-/**
- * Function that can be used by the transport service to transmit
- * a message using the plugin. Note that in the case of a
- * peer disconnecting, the continuation MUST be called
- * prior to the disconnect notification itself. This function
- * will be called with this peer's HELLO message to initiate
- * a fresh connection to another peer.
- *
- * @param cls closure
- * @param target who should receive this message
- * @param msgbuf the message to transmit
- * @param msgbuf_size number of bytes in 'msgbuf'
- * @param priority how important is the message (most plugins will
- * ignore message priority and just FIFO)
- * @param to how long to wait at most for the transmission (does not
- * require plugins to discard the message after the timeout,
- * just advisory for the desired delay; most plugins will ignore
- * this as well)
- * @param session which session must be used (or NULL for "any")
- * @param addr the address to use (can be NULL if the plugin
- * is "on its own" (i.e. re-use existing TCP connection))
- * @param addrlen length of the address in bytes
- * @param force_address GNUNET_YES if the plugin MUST use the given address,
- * GNUNET_NO means the plugin may use any other address and
- * GNUNET_SYSERR means that only reliable existing
- * bi-directional connections should be used (regardless
- * of address)
- * @param cont continuation to call once the message has
- * been transmitted (or if the transport is ready
- * for the next transmission call; or if the
- * peer disconnected...); can be NULL
- * @param cont_cls closure for cont
- * @return number of bytes used (on the physical network, with overheads);
- * -1 on hard errors (i.e. address invalid); 0 is a legal value
- * and does NOT mean that the message was not transmitted (DV)
- */
-static ssize_t
-http_plugin_send (void *cls,
- const struct GNUNET_PeerIdentity *target,
- const char *msgbuf,
- size_t msgbuf_size,
- unsigned int priority,
- struct GNUNET_TIME_Relative to,
- struct Session *session,
- const void *addr,
- size_t addrlen,
- int force_address,
- GNUNET_TRANSPORT_TransmitContinuation cont,
- void *cont_cls)
-{
- struct Plugin *plugin = cls;
- struct HTTP_Message *msg;
- struct HTTP_PeerContext * pc;
- struct Session * ps = NULL;
-
- GNUNET_assert(cls !=NULL);
-
-#if DEBUG_HTTPS
- char * force = GNUNET_malloc(40);
- if (force_address == GNUNET_YES)
- strcpy(force,"forced addr.");
- if (force_address == GNUNET_NO)
- strcpy(force,"any addr.");
- if (force_address == GNUNET_SYSERR)
- strcpy(force,"reliable bi-direc. address addr.");
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Transport tells me to send %u bytes to `%s' using %s (%s) and session: %X\n",
- msgbuf_size,
- GNUNET_i2s(target),
- force,
- http_plugin_address_to_string(NULL, addr, addrlen),
- session);
-
- GNUNET_free(force);
-#endif
-
- pc = GNUNET_CONTAINER_multihashmap_get (plugin->peers, &target->hashPubKey);
- /* Peer unknown */
- if (pc==NULL)
- {
- pc = GNUNET_malloc(sizeof (struct HTTP_PeerContext));
- pc->plugin = plugin;
- pc->session_id_counter=1;
- pc->last_session = NULL;
- memcpy(&pc->identity, target, sizeof(struct GNUNET_PeerIdentity));
- GNUNET_CONTAINER_multihashmap_put(plugin->peers, &pc->identity.hashPubKey, pc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
- GNUNET_STATISTICS_update (plugin->env->stats,
- gettext_noop ("# HTTP peers active"),
- 1,
- GNUNET_NO);
- }
-
- ps = send_select_session (plugin, pc, addr, addrlen, force_address, session);
-
- /* session not existing, but address forced -> creating new session */
- if (ps==NULL)
- {
- if ((addr!=NULL) && (addrlen!=0))
- {
- ps = GNUNET_malloc(sizeof (struct Session));
-#if DEBUG_SESSION_SELECTION
- if (force_address == GNUNET_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection & forced address: creating new session %X to peer %s\n", ps, GNUNET_i2s(target));
- if (force_address != GNUNET_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing connection: creating new session %X to peer %s\n", ps, GNUNET_i2s(target));
-#endif
- if ((addrlen!=0) && (addr!=NULL))
- {
- ps->addr = GNUNET_malloc(addrlen);
- memcpy(ps->addr,addr,addrlen);
- ps->addrlen = addrlen;
- }
- else
- {
- ps->addr = NULL;
- ps->addrlen = 0;
- }
- ps->direction=OUTBOUND;
- ps->recv_connected = GNUNET_NO;
- ps->recv_force_disconnect = GNUNET_NO;
- ps->send_connected = GNUNET_NO;
- ps->send_force_disconnect = GNUNET_NO;
- ps->pending_msgs_head = NULL;
- ps->pending_msgs_tail = NULL;
- ps->peercontext=pc;
- ps->session_id = pc->session_id_counter;
- pc->session_id_counter++;
- ps->url = create_url (plugin, ps->addr, ps->addrlen, ps->session_id);
- if (ps->msgtok == NULL)
- ps->msgtok = GNUNET_SERVER_mst_create (&curl_receive_mst_cb, ps);
- GNUNET_CONTAINER_DLL_insert(pc->head,pc->tail,ps);
-/* FIXME */
-
- GNUNET_STATISTICS_update (plugin->env->stats,
- gettext_noop ("# HTTP outbound sessions for peers active"),
- 1,
- GNUNET_NO);
- }
- else
- {
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"No existing session found & and no address given: no way to send this message to peer `%s'!\n", GNUNET_i2s(target));
-#endif
- return GNUNET_SYSERR;
- }
- }
-
- /* create msg */
- msg = GNUNET_malloc (sizeof (struct HTTP_Message) + msgbuf_size);
- msg->next = NULL;
- msg->size = msgbuf_size;
- msg->pos = 0;
- msg->buf = (char *) &msg[1];
- msg->transmit_cont = cont;
- msg->transmit_cont_cls = cont_cls;
- memcpy (msg->buf,msgbuf, msgbuf_size);
- GNUNET_CONTAINER_DLL_insert(ps->pending_msgs_head,ps->pending_msgs_tail,msg);
-
- if (send_check_connections (plugin, ps) != GNUNET_SYSERR)
- {
- if (force_address != GNUNET_YES)
- pc->last_session = ps;
-
- if (pc->last_session==NULL)
- pc->last_session = ps;
- return msg->size;
- }
- else
- return GNUNET_SYSERR;
-}
-
-
-/**
- * Convert the transports address to a nice, human-readable
- * format.
- *
- * @param cls closure
- * @param type name of the transport that generated the address
- * @param addr one of the addresses of the host, NULL for the last address
- * the specific address format depends on the transport
- * @param addrlen length of the address
- * @param numeric should (IP) addresses be displayed in numeric form?
- * @param timeout after how long should we give up?
- * @param asc function to call on each string
- * @param asc_cls closure for asc
- */
-static void
-http_plugin_address_pretty_printer (void *cls,
- const char *type,
- const void *addr,
- size_t addrlen,
- int numeric,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_TRANSPORT_AddressStringCallback
- asc, void *asc_cls)
-{
- const struct IPv4HttpAddress *t4;
- const struct IPv6HttpAddress *t6;
- struct sockaddr_in a4;
- struct sockaddr_in6 a6;
- char * address;
- char * ret;
- unsigned int port;
- unsigned int res;
-
- GNUNET_assert(cls !=NULL);
- if (addrlen == sizeof (struct IPv6HttpAddress))
- {
- address = GNUNET_malloc (INET6_ADDRSTRLEN);
- t6 = addr;
- a6.sin6_addr = t6->ipv6_addr;
- inet_ntop(AF_INET6, &(a6.sin6_addr),address,INET6_ADDRSTRLEN);
- port = ntohs(t6->u6_port);
- }
- else if (addrlen == sizeof (struct IPv4HttpAddress))
- {
- address = GNUNET_malloc (INET_ADDRSTRLEN);
- t4 = addr;
- a4.sin_addr.s_addr = t4->ipv4_addr;
- inet_ntop(AF_INET, &(a4.sin_addr),address,INET_ADDRSTRLEN);
- port = ntohs(t4->u_port);
- }
- else
- {
- /* invalid address */
- GNUNET_break_op (0);
- asc (asc_cls, NULL);
- return;
- }
- res = GNUNET_asprintf(&ret,"%s://%s:%u/", PROTOCOL_PREFIX, address,port);
- GNUNET_free (address);
- GNUNET_assert(res != 0);
- asc (asc_cls, ret);
- GNUNET_free_non_null (ret);
-}
-
-
-
-/**
- * Another peer has suggested an address for this
- * peer and transport plugin. Check that this could be a valid
- * address. If so, consider adding it to the list
- * of addresses.
- *
- * @param cls closure
- * @param addr pointer to the address
- * @param addrlen length of addr
- * @return GNUNET_OK if this is a plausible address for this peer
- * and transport
- */
-static int
-http_plugin_address_suggested (void *cls,
- const void *addr, size_t addrlen)
-{
- struct Plugin *plugin = cls;
- struct IPv4HttpAddress *v4;
- struct IPv6HttpAddress *v6;
- unsigned int port;
-
- GNUNET_assert(cls !=NULL);
- if ((addrlen != sizeof (struct IPv4HttpAddress)) &&
- (addrlen != sizeof (struct IPv6HttpAddress)))
- {
- return GNUNET_SYSERR;
- }
- if (addrlen == sizeof (struct IPv4HttpAddress))
- {
- v4 = (struct IPv4HttpAddress *) addr;
- /* Not skipping loopback
- if (INADDR_LOOPBACK == ntohl(v4->ipv4_addr))
- {
- return GNUNET_SYSERR;
- } */
- port = ntohs (v4->u_port);
- if (port != plugin->port_inbound)
- {
- return GNUNET_SYSERR;
- }
- }
- if (addrlen == sizeof (struct IPv6HttpAddress))
- {
- v6 = (struct IPv6HttpAddress *) addr;
- if (IN6_IS_ADDR_LINKLOCAL (&v6->ipv6_addr))
- {
- return GNUNET_SYSERR;
- }
- port = ntohs (v6->u6_port);
- if (port != plugin->port_inbound)
- {
- return GNUNET_SYSERR;
- }
- }
-
- return GNUNET_OK;
-}
-
-
-/**
- * Function called for a quick conversion of the binary address to
- * a numeric address. Note that the caller must not free the
- * address and that the next call to this function is allowed
- * to override the address again.
- *
- * @param cls closure
- * @param addr binary address
- * @param addrlen length of the address
- * @return string representing the same address
- */
-static const char*
-http_plugin_address_to_string (void *cls,
- const void *addr,
- size_t addrlen)
-{
- const struct IPv4HttpAddress *t4;
- const struct IPv6HttpAddress *t6;
- struct sockaddr_in a4;
- struct sockaddr_in6 a6;
- char * address;
- char * ret;
- uint16_t port;
- unsigned int res;
-
- if (addrlen == sizeof (struct IPv6HttpAddress))
- {
- address = GNUNET_malloc (INET6_ADDRSTRLEN);
- t6 = addr;
- a6.sin6_addr = t6->ipv6_addr;
- inet_ntop(AF_INET6, &(a6.sin6_addr),address,INET6_ADDRSTRLEN);
- port = ntohs(t6->u6_port);
- }
- else if (addrlen == sizeof (struct IPv4HttpAddress))
- {
- address = GNUNET_malloc (INET_ADDRSTRLEN);
- t4 = addr;
- a4.sin_addr.s_addr = t4->ipv4_addr;
- inet_ntop(AF_INET, &(a4.sin_addr),address,INET_ADDRSTRLEN);
- port = ntohs(t4->u_port);
- }
- else
- {
- /* invalid address */
- return NULL;
- }
- res = GNUNET_asprintf(&ret,"%s:%u",address,port);
- GNUNET_free (address);
- GNUNET_assert(res != 0);
- return ret;
-}
-
-static char *
-load_certificate( const char * file )
-{
- struct GNUNET_DISK_FileHandle * gn_file;
-
- struct stat fstat;
- char * text = NULL;
-
- if (0!=STAT(file, &fstat))
- return NULL;
- text = GNUNET_malloc (fstat.st_size+1);
- gn_file = GNUNET_DISK_file_open(file,GNUNET_DISK_OPEN_READ, GNUNET_DISK_PERM_USER_READ);
- if (gn_file==NULL)
- {
- GNUNET_free(text);
- return NULL;
- }
- if (GNUNET_SYSERR == GNUNET_DISK_file_read(gn_file, text, fstat.st_size))
- {
- GNUNET_free(text);
- GNUNET_DISK_file_close(gn_file);
- return NULL;
- }
- text[fstat.st_size] = '\0';
- GNUNET_DISK_file_close(gn_file);
-
- return text;
-}
-
-
-/**
- * Exit point from the plugin.
- */
-void *
-libgnunet_plugin_transport_https_done (void *cls)
-{
- struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
- struct Plugin *plugin = api->cls;
- CURLMcode mret;
- GNUNET_assert(cls !=NULL);
-
- if (plugin->http_server_daemon_v4 != NULL)
- {
- MHD_stop_daemon (plugin->http_server_daemon_v4);
- plugin->http_server_daemon_v4 = NULL;
- }
- if (plugin->http_server_daemon_v6 != NULL)
- {
- MHD_stop_daemon (plugin->http_server_daemon_v6);
- plugin->http_server_daemon_v6 = NULL;
- }
-
- if ( plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v4);
- plugin->http_server_task_v4 = GNUNET_SCHEDULER_NO_TASK;
- }
-
- if ( plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_server_task_v6);
- plugin->http_server_task_v6 = GNUNET_SCHEDULER_NO_TASK;
- }
-
-
- /* free all peer information */
- if (plugin->peers!=NULL)
- {
- GNUNET_CONTAINER_multihashmap_iterate (plugin->peers,
- &remove_peer_context_Iterator,
- plugin);
- GNUNET_CONTAINER_multihashmap_destroy (plugin->peers);
- }
- if (plugin->multi_handle!=NULL)
- {
- mret = curl_multi_cleanup(plugin->multi_handle);
-#if DEBUG_HTTPS
- if ( CURLM_OK != mret)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"curl multihandle clean up failed\n");
-#endif
- plugin->multi_handle = NULL;
- }
- curl_global_cleanup();
-
- if ( plugin->http_curl_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel(plugin->env->sched, plugin->http_curl_task);
- plugin->http_curl_task = GNUNET_SCHEDULER_NO_TASK;
- }
-
- GNUNET_free_non_null (plugin->bind4_address);
- GNUNET_free_non_null (plugin->bind6_address);
- GNUNET_free_non_null (plugin->bind_hostname);
- GNUNET_free_non_null (plugin->crypto_init);
- GNUNET_free_non_null (plugin->cert);
- GNUNET_free_non_null (plugin->key);
- GNUNET_free (plugin);
- GNUNET_free (api);
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Unload http plugin complete...\n");
-#endif
- return NULL;
-}
-
-
-/**
- * Entry point for the plugin.
- */
-void *
-libgnunet_plugin_transport_https_init (void *cls)
-{
- struct GNUNET_TRANSPORT_PluginEnvironment *env = cls;
- struct Plugin *plugin;
- struct GNUNET_TRANSPORT_PluginFunctions *api;
- struct GNUNET_TIME_Relative gn_timeout;
- long long unsigned int port;
-
- char * key_file = NULL;
- char * cert_file = NULL;
-
- GNUNET_assert(cls !=NULL);
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting https plugin...\n");
-#endif
-
- plugin = GNUNET_malloc (sizeof (struct Plugin));
- plugin->stats = env->stats;
- plugin->env = env;
- plugin->peers = NULL;
- plugin->bind4_address = NULL;
- plugin->use_ipv6 = GNUNET_YES;
- plugin->use_ipv4 = GNUNET_YES;
-
- api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
- api->cls = plugin;
- api->send = &http_plugin_send;
- api->disconnect = &http_plugin_disconnect;
- api->address_pretty_printer = &http_plugin_address_pretty_printer;
- api->check_address = &http_plugin_address_suggested;
- api->address_to_string = &http_plugin_address_to_string;
-
- /* Hashing our identity to use it in URLs */
- GNUNET_CRYPTO_hash_to_enc ( &(plugin->env->my_identity->hashPubKey), &plugin->my_ascii_hash_ident);
-
- /* Use IPv6 yes/no */
- if (GNUNET_CONFIGURATION_have_value (env->cfg,
- "transport-https", "USE_IPv6"))
- {
- plugin->use_ipv6 = GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
- "transport-https",
- "USE_IPv6");
- }
- /* Use IPv4 yes/no */
- if (GNUNET_CONFIGURATION_have_value (env->cfg,
- "transport-https", "USE_IPv4"))
- {
- plugin->use_ipv4 = GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
- "transport-https",
- "USE_IPv4");
- }
- /* Reading port number from config file */
- if ((GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (env->cfg,
- "transport-https",
- "PORT",
- &port)) ||
- (port > 65535) )
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "http",
- _("Require valid port number for transport plugin `%s' in configuration!\n"),
- "transport-https");
- libgnunet_plugin_transport_https_done (api);
- return NULL;
- }
-
- /* Reading ipv4 addresse to bind to from config file */
- if ((plugin->use_ipv4==GNUNET_YES) && (GNUNET_CONFIGURATION_have_value (env->cfg,
- "transport-https", "BINDTO4")))
- {
- GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (env->cfg,
- "transport-https",
- "BINDTO4",
- &plugin->bind_hostname));
- plugin->bind4_address = GNUNET_malloc(sizeof(struct sockaddr_in));
- plugin->bind4_address->sin_family = AF_INET;
- plugin->bind4_address->sin_port = htons (port);
-
- if (inet_pton(AF_INET,plugin->bind_hostname, &plugin->bind4_address->sin_addr)<=0)
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "http",
- _("Misconfigured address to bind to in configuration!\n"),
- "transport-https");
- GNUNET_free(plugin->bind4_address);
- GNUNET_free(plugin->bind_hostname);
- plugin->bind_hostname = NULL;
- plugin->bind4_address = NULL;
- }
- }
-
- /* Get crypto init string from config */
- if (GNUNET_CONFIGURATION_have_value (env->cfg,
- "transport-https", "CRYPTO_INIT"))
- {
- GNUNET_CONFIGURATION_get_value_string (env->cfg,
- "transport-https",
- "CRYPTO_INIT",
- &plugin->crypto_init);
- }
- else
- {
- GNUNET_asprintf(&plugin->crypto_init,"NORMAL");
- }
-
- /* Get private key file from config */
- if (GNUNET_CONFIGURATION_have_value (env->cfg,
- "transport-https", "KEY_FILE"))
- {
- GNUNET_CONFIGURATION_get_value_string (env->cfg,
- "transport-https",
- "KEY_FILE",
- &key_file);
- }
- if (key_file==NULL)
- GNUNET_asprintf(&key_file,"https.key");
-
- /* Get private key file from config */
- if (GNUNET_CONFIGURATION_have_value (env->cfg,"transport-https", "CERT_FILE"))
- {
- GNUNET_CONFIGURATION_get_value_string (env->cfg,
- "transport-https",
- "CERT_FILE",
- &cert_file);
- }
- if (cert_file==NULL)
- GNUNET_asprintf(&cert_file,"https.cert");
-
- /* Should plugin use ipv6? */
- if ((plugin->use_ipv6==GNUNET_YES) && (GNUNET_CONFIGURATION_have_value (env->cfg,
- "transport-https", "BINDTO6")))
- {
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (env->cfg,
- "transport-https",
- "BINDTO6",
- &plugin->bind_hostname))
- {
- plugin->bind6_address = GNUNET_malloc(sizeof(struct sockaddr_in6));
- plugin->bind6_address->sin6_family = AF_INET6;
- plugin->bind6_address->sin6_port = htons (port);
-
- if (inet_pton(AF_INET6,plugin->bind_hostname, &plugin->bind6_address->sin6_addr)<=0)
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "http",
- _("Misconfigured address to bind to in configuration!\n"),
- "transport-https");
- GNUNET_free(plugin->bind6_address);
- GNUNET_free(plugin->bind_hostname);
- plugin->bind_hostname = NULL;
- plugin->bind6_address = NULL;
- }
- }
- }
-
- /* read key & certificates from file */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Loading TLS certificate `%s' `%s'\n", key_file, cert_file);
-
- plugin->key = load_certificate( key_file );
- plugin->cert = load_certificate( cert_file );
-
- if ((plugin->key==NULL) || (plugin->cert==NULL))
- {
- char * cmd;
- int ret = 0;
- GNUNET_asprintf(&cmd,"gnunet-transport-certificate-creation %s %s", key_file, cert_file);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No usable TLS certificate found, creating certificate \n");
- ret = system(cmd);
-
- if (ret != 0)
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "https",
- _("Could not create a new TLS certificate, shell script `%s' failed!\n"),cmd,
- "transport-https");
- GNUNET_free (key_file);
- GNUNET_free (cert_file);
-
- libgnunet_plugin_transport_https_done(api);
- GNUNET_free (cmd);
- return NULL;
- }
-
- GNUNET_free (cmd);
-
- plugin->key = load_certificate( key_file );
- plugin->cert = load_certificate( cert_file );
-
- if ((plugin->key==NULL) || (plugin->cert==NULL))
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "https",
- _("No usable TLS certificate found and creating one failed! \n"),
- "transport-https");
- GNUNET_free (key_file);
- GNUNET_free (cert_file);
- libgnunet_plugin_transport_https_done(api);
- return NULL;
- }
- }
-
- GNUNET_free (key_file);
- GNUNET_free (cert_file);
-
-
- GNUNET_assert((plugin->key!=NULL) && (plugin->cert!=NULL));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TLS certificate loaded\n");
-
- GNUNET_assert ((port > 0) && (port <= 65535));
- plugin->port_inbound = port;
- gn_timeout = GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT;
- unsigned int timeout = (gn_timeout.value) / 1000;
- if ((plugin->http_server_daemon_v6 == NULL) && (plugin->use_ipv6 == GNUNET_YES) && (port != 0))
- {
- struct sockaddr * tmp = (struct sockaddr *) plugin->bind6_address;
- plugin->http_server_daemon_v6 = MHD_start_daemon (
-#if DEBUG_MHD
- MHD_USE_DEBUG |
-#endif
- MHD_USE_IPv6 | MHD_USE_SSL,
- port,
- &mhd_accept_cb,
- plugin , &mdh_access_cb, plugin,
- MHD_OPTION_HTTPS_PRIORITIES, plugin->crypto_init,
- MHD_OPTION_HTTPS_MEM_KEY, plugin->key,
- MHD_OPTION_HTTPS_MEM_CERT, plugin->cert,
- MHD_OPTION_SOCK_ADDR, tmp,
- MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 32,
- //MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 6,
- MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) timeout,
- MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) 2 * GNUNET_SERVER_MAX_MESSAGE_SIZE,
- MHD_OPTION_NOTIFY_COMPLETED, &mhd_termination_cb, NULL,
- MHD_OPTION_EXTERNAL_LOGGER, mhd_logger, plugin->mhd_log,
- MHD_OPTION_END);
- }
- if ((plugin->http_server_daemon_v4 == NULL) && (plugin->use_ipv4 == GNUNET_YES) && (port != 0))
- {
- plugin->http_server_daemon_v4 = MHD_start_daemon (
-#if DEBUG_MHD
- MHD_USE_DEBUG |
-#endif
- MHD_NO_FLAG | MHD_USE_SSL,
- port,
- &mhd_accept_cb,
- plugin , &mdh_access_cb, plugin,
- MHD_OPTION_HTTPS_PRIORITIES, plugin->crypto_init,
- MHD_OPTION_HTTPS_MEM_KEY, plugin->key,
- MHD_OPTION_HTTPS_MEM_CERT, plugin->cert,
- MHD_OPTION_SOCK_ADDR, (struct sockaddr_in *)plugin->bind4_address,
- MHD_OPTION_CONNECTION_LIMIT, (unsigned int) 32,
- //MHD_OPTION_PER_IP_CONNECTION_LIMIT, (unsigned int) 6,
- MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) timeout,
- MHD_OPTION_CONNECTION_MEMORY_LIMIT, (size_t) 2 * GNUNET_SERVER_MAX_MESSAGE_SIZE,
- MHD_OPTION_NOTIFY_COMPLETED, &mhd_termination_cb, NULL,
- MHD_OPTION_EXTERNAL_LOGGER, mhd_logger, plugin->mhd_log,
- MHD_OPTION_END);
- }
- if (plugin->http_server_daemon_v4 != NULL)
- plugin->http_server_task_v4 = http_server_daemon_prepare (plugin, plugin->http_server_daemon_v4);
- if (plugin->http_server_daemon_v6 != NULL)
- plugin->http_server_task_v6 = http_server_daemon_prepare (plugin, plugin->http_server_daemon_v6);
-
-
- if (plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK)
- {
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting HTTPS Server with IPv4 bound to %s with port %u\n",(plugin->bind_hostname!=NULL) ? plugin->bind_hostname : "every address",port);
-#endif
- }
- else if ((plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK) && (plugin->http_server_task_v4 != GNUNET_SCHEDULER_NO_TASK))
- {
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting HTTPS Server with IPv6 bound to %s with port %u\n",(plugin->bind_hostname!=NULL) ? plugin->bind_hostname : "every address", port);
-#endif
- }
- else if ((plugin->http_server_task_v6 != GNUNET_SCHEDULER_NO_TASK) && (plugin->http_server_task_v4 == GNUNET_SCHEDULER_NO_TASK))
- {
-#if DEBUG_HTTPS
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,"Starting HTTPS Server with IPv4 and IPv6 bound to %s with port %u\n",(plugin->bind_hostname!=NULL) ? plugin->bind_hostname : "every address", port);
-#endif
- }
- else
- {
- char * tmp = NULL;
- if ((plugin->use_ipv6 == GNUNET_YES) && (plugin->use_ipv4 == GNUNET_YES))
- GNUNET_asprintf(&tmp,"with IPv4 and IPv6 enabled");
- if ((plugin->use_ipv6 == GNUNET_NO) && (plugin->use_ipv4 == GNUNET_YES))
- GNUNET_asprintf(&tmp,"with IPv4 enabled");
- if ((plugin->use_ipv6 == GNUNET_YES) && (plugin->use_ipv4 == GNUNET_NO))
- GNUNET_asprintf(&tmp,"with IPv6 enabled");
- if ((plugin->use_ipv6 == GNUNET_NO) && (plugin->use_ipv4 == GNUNET_NO))
- GNUNET_asprintf(&tmp,"with NO IP PROTOCOL enabled");
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,"HTTPS Server with %s could not be started on port %u! https plugin failed!\n",tmp, port);
- GNUNET_free(tmp);
- libgnunet_plugin_transport_https_done (api);
- return NULL;
- }
-
- /* Initializing cURL */
- curl_global_init(CURL_GLOBAL_ALL);
- plugin->multi_handle = curl_multi_init();
-
- if ( NULL == plugin->multi_handle )
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
- "http",
- _("Could not initialize curl multi handle, failed to start http plugin!\n"),
- "transport-https");
- libgnunet_plugin_transport_https_done (api);
- return NULL;
- }
-
- plugin->peers = GNUNET_CONTAINER_multihashmap_create (10);
- GNUNET_OS_network_interfaces_list (&process_interfaces, plugin);
-
- return api;
-}
-
-/* end of plugin_transport_https.c */
projects / oweals / gnunet.git / commitdiff