static void
bonjour_bytestreams_connect(PurpleXfer *xfer)
{
	PurpleBuddy *pb;
	PurpleAccount *account = NULL;
	PurpleHash *hash;
	XepXfer *xf;
	char dstaddr[41];
	const gchar *name = NULL;
	unsigned char hashval[20];
	char *p;
	int i;

	if(xfer == NULL)
		return;

	purple_debug_info("bonjour", "bonjour-bytestreams-connect.\n");

	xf = purple_xfer_get_protocol_data(xfer);
	if(!xf)
		return;

	pb = xf->pb;
	name = purple_buddy_get_name(pb);
	account = purple_buddy_get_account(pb);

	p = g_strdup_printf("%s%s%s", xf->sid, name, bonjour_get_jid(account));

	hash = purple_sha1_hash_new();
	purple_hash_append(hash, (guchar *)p, strlen(p));
	purple_hash_digest(hash, hashval, sizeof(hashval));
	g_object_unref(G_OBJECT(hash));

	g_free(p);

	memset(dstaddr, 0, 41);
	p = dstaddr;
	for(i = 0; i < 20; i++, p += 2)
		snprintf(p, 3, "%02x", hashval[i]);

	xf->proxy_info = purple_proxy_info_new();
	purple_proxy_info_set_proxy_type(xf->proxy_info, PURPLE_PROXY_SOCKS5);
	purple_proxy_info_set_host(xf->proxy_info, xf->proxy_host);
	purple_proxy_info_set_port(xf->proxy_info, xf->proxy_port);
	xf->proxy_connection = purple_proxy_connect_socks5_account(
							   purple_account_get_connection(account),
							   account,
							   xf->proxy_info,
							   dstaddr, 0,
							   bonjour_bytestreams_connect_cb, xfer);

	if(xf->proxy_connection == NULL) {
		xep_ft_si_reject(xf->data, xf->iq_id, purple_xfer_get_remote_user(xfer), "404", "cancel");
		/* Cancel the connection */
		purple_xfer_cancel_local(xfer);
	}
}
示例#2
0
文件: jabber.c 项目: Draghtnod/pidgin
static gboolean bonjour_jabber_send_stream_init(BonjourJabberConversation *bconv, int client_socket)
{
	int ret, len;
	char *stream_start;
	const char *bname = bconv->buddy_name;

	if (bconv->pb != NULL)
		bname = purple_buddy_get_name(bconv->pb);

	/* If we have no idea who "to" is, use an empty string.
	 * If we don't know now, it is because the other side isn't playing nice, so they can't complain. */
	if (bname == NULL)
		bname = "";

	stream_start = g_strdup_printf(DOCTYPE, bonjour_get_jid(bconv->account), bname);
	len = strlen(stream_start);

	bconv->sent_stream_start = PARTIALLY_SENT;

	/* Start the stream */
	ret = send(client_socket, stream_start, len, 0);

	if (ret == -1 && errno == EAGAIN)
		ret = 0;
	else if (ret <= 0) {
		const char *err = g_strerror(errno);

		purple_debug_error("bonjour", "Error starting stream with buddy %s at %s error: %s\n",
				   (*bname) ? bname : "(unknown)", bconv->ip, err ? err : "(null)");

		if (bconv->pb) {
			PurpleConversation *conv;
			conv = purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM, bname, bconv->account);
			if (conv != NULL)
				purple_conversation_write(conv, NULL,
					  _("Unable to send the message, the conversation couldn't be started."),
					  PURPLE_MESSAGE_SYSTEM, time(NULL));
		}

		close(client_socket);
		g_free(stream_start);

		return FALSE;
	}

	/* This is unlikely to happen */
	if (ret < len) {
		struct _stream_start_data *ss = g_new(struct _stream_start_data, 1);
		ss->msg = g_strdup(stream_start + ret);
		bconv->stream_data = ss;
		/* Finish sending the stream start */
		bconv->tx_handler = purple_input_add(client_socket,
			PURPLE_INPUT_WRITE, _start_stream, bconv);
	} else
示例#3
0
文件: bonjour_ft.c 项目: dylex/pidgin
static void
bonjour_bytestreams_listen(int sock, gpointer data)
{
	PurpleXfer *xfer = data;
	XepXfer *xf;
	XepIq *iq;
	xmlnode *query, *streamhost;
	gchar *port;
	GSList *local_ips;
	BonjourData *bd;

	purple_debug_info("bonjour", "Bonjour-bytestreams-listen. sock=%d.\n", sock);
	if (sock < 0 || xfer == NULL) {
		/*purple_xfer_cancel_local(xfer);*/
		return;
	}

	xfer->watcher = purple_input_add(sock, PURPLE_INPUT_READ,
					 bonjour_sock5_request_cb, xfer);
	xf = (XepXfer*)xfer->data;
	xf->listen_data = NULL;

	bd = xf->data;

	iq = xep_iq_new(bd, XEP_IQ_SET, xfer->who, bonjour_get_jid(bd->jabber_data->account), xf->sid);

	query = xmlnode_new_child(iq->node, "query");
	xmlnode_set_namespace(query, "http://jabber.org/protocol/bytestreams");
	xmlnode_set_attrib(query, "sid", xf->sid);
	xmlnode_set_attrib(query, "mode", "tcp");

	xfer->local_port = purple_network_get_port_from_fd(sock);

	local_ips = bonjour_jabber_get_local_ips(sock);

	port = g_strdup_printf("%hu", (guint16)purple_xfer_get_local_port(xfer));
	while(local_ips) {
		streamhost = xmlnode_new_child(query, "streamhost");
		xmlnode_set_attrib(streamhost, "jid", xf->sid);
		xmlnode_set_attrib(streamhost, "host", local_ips->data);
		xmlnode_set_attrib(streamhost, "port", port);
		g_free(local_ips->data);
		local_ips = g_slist_delete_link(local_ips, local_ips);
	}
	g_free(port);

	xep_iq_send_and_free(iq);
}
示例#4
0
文件: bonjour_ft.c 项目: dylex/pidgin
static void
bonjour_bytestreams_connect_cb(gpointer data, gint source, const gchar *error_message)
{
	PurpleXfer *xfer = data;
	XepXfer *xf = xfer->data;
	XepIq *iq;
	xmlnode *q_node, *tmp_node;
	BonjourData *bd;
	gboolean ret = FALSE;

	xf->proxy_connection = NULL;

	if(source < 0) {
		purple_debug_error("bonjour", "Error connecting via SOCKS5 to %s - %s\n",
			xf->proxy_host, error_message ? error_message : "(null)");

		tmp_node = xmlnode_get_next_twin(xf->streamhost);
		ret = __xep_bytestreams_parse(xf->pb, xfer, tmp_node, xf->iq_id);

		if (!ret) {
			xep_ft_si_reject(xf->data, xf->iq_id, purple_xfer_get_remote_user(xfer), "404", "cancel");
			/* Cancel the connection */
			purple_xfer_cancel_local(xfer);
		}
		return;
	}

	purple_debug_info("bonjour", "Connected successfully via SOCKS5, starting transfer.\n");

	bd = xf->data;

	/* Here, start the file transfer.*/

	/* Notify Initiator of Connection */
	iq = xep_iq_new(bd, XEP_IQ_RESULT, xfer->who, bonjour_get_jid(bd->jabber_data->account), xf->iq_id);
	q_node = xmlnode_new_child(iq->node, "query");
	xmlnode_set_namespace(q_node, "http://jabber.org/protocol/bytestreams");
	tmp_node = xmlnode_new_child(q_node, "streamhost-used");
	xmlnode_set_attrib(tmp_node, "jid", xf->jid);
	xep_iq_send_and_free(iq);

	purple_xfer_start(xfer, source, NULL, -1);
}
示例#5
0
文件: bonjour_ft.c 项目: dylex/pidgin
static void
xep_ft_si_result(PurpleXfer *xfer, char *to)
{
	xmlnode *si_node, *feature, *field, *value, *x;
	XepIq *iq;
	XepXfer *xf;
	BonjourData *bd;

	if(!to || !xfer)
		return;
	xf = xfer->data;
	if(!xf)
		return;

	bd = xf->data;

	purple_debug_info("bonjour", "xep file transfer stream initialization result.\n");
	iq = xep_iq_new(bd, XEP_IQ_RESULT, to, bonjour_get_jid(bd->jabber_data->account), xf->iq_id);
	if(iq == NULL)
		return;

	si_node = xmlnode_new_child(iq->node, "si");
	xmlnode_set_namespace(si_node, "http://jabber.org/protocol/si");
	/*xmlnode_set_attrib(si_node, "profile", "http://jabber.org/protocol/si/profile/file-transfer");*/

	feature = xmlnode_new_child(si_node, "feature");
	xmlnode_set_namespace(feature, "http://jabber.org/protocol/feature-neg");

	x = xmlnode_new_child(feature, "x");
	xmlnode_set_namespace(x, "jabber:x:data");
	xmlnode_set_attrib(x, "type", "submit");

	field = xmlnode_new_child(x, "field");
	xmlnode_set_attrib(field, "var", "stream-method");

	value = xmlnode_new_child(field, "value");
	xmlnode_insert_data(value, "http://jabber.org/protocol/bytestreams", -1);

	xep_iq_send_and_free(iq);
}
示例#6
0
文件: bonjour_ft.c 项目: dylex/pidgin
static void
xep_ft_si_reject(BonjourData *bd, const char *id, const char *to, const char *error_code, const char *error_type)
{
	xmlnode *error_node;
	XepIq *iq;

	g_return_if_fail(error_code != NULL);
	g_return_if_fail(error_type != NULL);

	if(!to || !id) {
		purple_debug_info("bonjour", "xep file transfer stream initialization error.\n");
		return;
	}

	iq = xep_iq_new(bd, XEP_IQ_ERROR, to, bonjour_get_jid(bd->jabber_data->account), id);
	if(iq == NULL)
		return;

	error_node = xmlnode_new_child(iq->node, "error");
	xmlnode_set_attrib(error_node, "code", error_code);
	xmlnode_set_attrib(error_node, "type", error_type);

	/* TODO: Make this better */
	if (purple_strequal(error_code, "403")) {
		xmlnode *tmp_node = xmlnode_new_child(error_node, "forbidden");
		xmlnode_set_namespace(tmp_node, "urn:ietf:params:xml:ns:xmpp-stanzas");

		tmp_node = xmlnode_new_child(error_node, "text");
		xmlnode_set_namespace(tmp_node, "urn:ietf:params:xml:ns:xmpp-stanzas");
		xmlnode_insert_data(tmp_node, "Offer Declined", -1);
	} else if (purple_strequal(error_code, "404")) {
		xmlnode *tmp_node = xmlnode_new_child(error_node, "item-not-found");
		xmlnode_set_namespace(tmp_node, "urn:ietf:params:xml:ns:xmpp-stanzas");
	}

	xep_iq_send_and_free(iq);
}
示例#7
0
文件: bonjour_ft.c 项目: dylex/pidgin
static void
xep_ft_si_offer(PurpleXfer *xfer, const gchar *to)
{
	xmlnode *si_node, *feature, *field, *file, *x;
	XepIq *iq;
	XepXfer *xf = xfer->data;
	BonjourData *bd = NULL;
	char buf[32];

	if(!xf)
		return;

	bd = xf->data;
	if(!bd)
		return;

	purple_debug_info("bonjour", "xep file transfer stream initialization offer-id=%d.\n", next_id);

	/* Assign stream id. */
	g_free(xf->iq_id);
	xf->iq_id = g_strdup_printf("%u", next_id++);
	iq = xep_iq_new(xf->data, XEP_IQ_SET, to, bonjour_get_jid(bd->jabber_data->account), xf->iq_id);
	if(iq == NULL)
		return;

	/*Construct Stream initialization offer message.*/
	si_node = xmlnode_new_child(iq->node, "si");
	xmlnode_set_namespace(si_node, "http://jabber.org/protocol/si");
	xmlnode_set_attrib(si_node, "profile", "http://jabber.org/protocol/si/profile/file-transfer");
	g_free(xf->sid);
	xf->sid = g_strdup(xf->iq_id);
	xmlnode_set_attrib(si_node, "id", xf->sid);

	file = xmlnode_new_child(si_node, "file");
	xmlnode_set_namespace(file, "http://jabber.org/protocol/si/profile/file-transfer");
	xmlnode_set_attrib(file, "name", xfer->filename);
	g_snprintf(buf, sizeof(buf), "%" G_GSIZE_FORMAT, xfer->size);
	xmlnode_set_attrib(file, "size", buf);

	feature = xmlnode_new_child(si_node, "feature");
	xmlnode_set_namespace(feature, "http://jabber.org/protocol/feature-neg");

	x = xmlnode_new_child(feature, "x");
	xmlnode_set_namespace(x, "jabber:x:data");
	xmlnode_set_attrib(x, "type", "form");

	field = xmlnode_new_child(x, "field");
	xmlnode_set_attrib(field, "var", "stream-method");
	xmlnode_set_attrib(field, "type", "list-single");

	if (xf->mode & XEP_BYTESTREAMS) {
		xmlnode *option = xmlnode_new_child(field, "option");
		xmlnode *value = xmlnode_new_child(option, "value");
		xmlnode_insert_data(value, "http://jabber.org/protocol/bytestreams", -1);
	}
	if (xf->mode & XEP_IBB) {
		xmlnode *option = xmlnode_new_child(field, "option");
		xmlnode *value = xmlnode_new_child(option, "value");
		xmlnode_insert_data(value, "http://jabber.org/protocol/ibb", -1);
	}

	xep_iq_send_and_free(iq);
}
示例#8
0
gboolean _mdns_set_buddy_icon_data(BonjourDnsSd *data, gconstpointer avatar_data, gsize avatar_len) {
	AvahiSessionImplData *idata = data->mdns_impl_data;

	if (idata == NULL || idata->client == NULL)
		return FALSE;

	if (avatar_data != NULL) {
		gboolean new_group = FALSE;
		gchar *svc_name;
		int ret;
		AvahiPublishFlags flags = 0;

		if (idata->buddy_icon_group == NULL) {
			purple_debug_info("bonjour", "Setting new buddy icon.\n");
			new_group = TRUE;

			idata->buddy_icon_group = avahi_entry_group_new(idata->client,
				_buddy_icon_group_cb, data);
		} else {
			purple_debug_info("bonjour", "Updating existing buddy icon.\n");
			flags |= AVAHI_PUBLISH_UPDATE;
		}

		if (idata->buddy_icon_group == NULL) {
			purple_debug_error("bonjour",
				"Unable to initialize the buddy icon group (%s).\n",
				avahi_strerror(avahi_client_errno(idata->client)));
			return FALSE;
		}

		svc_name = g_strdup_printf("%s." LINK_LOCAL_RECORD_NAME "local",
				bonjour_get_jid(data->account));

		ret = avahi_entry_group_add_record(idata->buddy_icon_group, AVAHI_IF_UNSPEC,
			AVAHI_PROTO_UNSPEC, flags, svc_name,
			AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_NULL, 120, avatar_data, avatar_len);

		g_free(svc_name);

		if (ret < 0) {
			purple_debug_error("bonjour",
				"Failed to register buddy icon. Error: %s\n", avahi_strerror(ret));
			if (new_group) {
				avahi_entry_group_free(idata->buddy_icon_group);
				idata->buddy_icon_group = NULL;
			}
			return FALSE;
		}

		if (new_group && (ret = avahi_entry_group_commit(idata->buddy_icon_group)) < 0) {
			purple_debug_error("bonjour",
				"Failed to commit buddy icon group. Error: %s\n", avahi_strerror(ret));
			if (new_group) {
				avahi_entry_group_free(idata->buddy_icon_group);
				idata->buddy_icon_group = NULL;
			}
			return FALSE;
		}
	} else if (idata->buddy_icon_group != NULL) {
		purple_debug_info("bonjour", "Removing existing buddy icon.\n");
		avahi_entry_group_free(idata->buddy_icon_group);
		idata->buddy_icon_group = NULL;
	}

	return TRUE;
}
示例#9
0
gboolean _mdns_publish(BonjourDnsSd *data, PublishType type, GSList *records) {
	int publish_result = 0;
	AvahiSessionImplData *idata = data->mdns_impl_data;
	AvahiStringList *lst = NULL;

	g_return_val_if_fail(idata != NULL, FALSE);

	if (!idata->group) {
		idata->group = avahi_entry_group_new(idata->client,
						     _entry_group_cb, idata);
		if (!idata->group) {
			purple_debug_error("bonjour",
				"Unable to initialize the data for the mDNS (%s).\n",
				avahi_strerror(avahi_client_errno(idata->client)));
			return FALSE;
		}
	}

	while (records) {
		PurpleKeyValuePair *kvp = records->data;
		lst = avahi_string_list_add_pair(lst, kvp->key, kvp->value);
		records = records->next;
	}

	/* Publish the service */
	switch (type) {
		case PUBLISH_START:
			publish_result = avahi_entry_group_add_service_strlst(
				idata->group, AVAHI_IF_UNSPEC,
				AVAHI_PROTO_UNSPEC, 0,
				bonjour_get_jid(data->account),
				LINK_LOCAL_RECORD_NAME, NULL, NULL, data->port_p2pj, lst);
			break;
		case PUBLISH_UPDATE:
			publish_result = avahi_entry_group_update_service_txt_strlst(
				idata->group, AVAHI_IF_UNSPEC,
				AVAHI_PROTO_UNSPEC, 0,
				bonjour_get_jid(data->account),
				LINK_LOCAL_RECORD_NAME, NULL, lst);
			break;
	}

	/* Free the memory used by temp data */
	avahi_string_list_free(lst);

	if (publish_result < 0) {
		purple_debug_error("bonjour",
			"Failed to add the " LINK_LOCAL_RECORD_NAME " service. Error: %s\n",
			avahi_strerror(publish_result));
		return FALSE;
	}

	if (type == PUBLISH_START
			&& (publish_result = avahi_entry_group_commit(idata->group)) < 0) {
		purple_debug_error("bonjour",
			"Failed to commit " LINK_LOCAL_RECORD_NAME " service. Error: %s\n",
			avahi_strerror(publish_result));
		return FALSE;
	}

	return TRUE;
}
示例#10
0
static void
_browser_callback(AvahiServiceBrowser *b, AvahiIfIndex interface,
		  AvahiProtocol protocol, AvahiBrowserEvent event,
		  const char *name, const char *type, const char *domain,
		  AvahiLookupResultFlags flags, void *userdata) {

	PurpleAccount *account = userdata;
	PurpleBuddy *pb = NULL;

	switch (event) {
		case AVAHI_BROWSER_FAILURE:
			purple_debug_error("bonjour", "_browser_callback - Failure: %s\n",
				avahi_strerror(avahi_client_errno(avahi_service_browser_get_client(b))));
			/* TODO: This is an error that should be handled. */
			break;
		case AVAHI_BROWSER_NEW:
			/* A new peer has joined the network and uses iChat bonjour */
			purple_debug_info("bonjour", "_browser_callback - new service\n");
			/* Make sure it isn't us */
			if (purple_utf8_strcasecmp(name, bonjour_get_jid(account)) != 0) {
				if (!avahi_service_resolver_new(avahi_service_browser_get_client(b),
						interface, protocol, name, type, domain, protocol,
						0, _resolver_callback, account)) {
					purple_debug_warning("bonjour", "_browser_callback -- Error initiating resolver: %s\n",
						avahi_strerror(avahi_client_errno(avahi_service_browser_get_client(b))));
				}
			}
			break;
		case AVAHI_BROWSER_REMOVE:
			purple_debug_info("bonjour", "_browser_callback - Remove service\n");
			pb = purple_find_buddy(account, name);
			if (pb != NULL) {
				BonjourBuddy *bb = purple_buddy_get_protocol_data(pb);
				AvahiBuddyImplData *b_impl;
				GSList *l;
				AvahiSvcResolverData *rd_search;

				g_return_if_fail(bb != NULL);

				b_impl = bb->mdns_impl_data;

				/* There may be multiple presences, we should only get rid of this one */

				rd_search = g_new0(AvahiSvcResolverData, 1);
				rd_search->interface = interface;
				rd_search->protocol = protocol;
				rd_search->name = (gchar *) name;
				rd_search->type = (gchar *) type;
				rd_search->domain = (gchar *) domain;

				l = g_slist_find_custom(b_impl->resolvers, rd_search, _find_resolver_data);

				g_free(rd_search);

				if (l != NULL) {
					AvahiSvcResolverData *rd = l->data;
					b_impl->resolvers = g_slist_remove(b_impl->resolvers, rd);
					/* This IP is no longer available */
					if (rd->ip != NULL) {
						bb->ips = g_slist_remove(bb->ips, rd->ip);
						g_free((gchar *) rd->ip);
					}
					_cleanup_resolver_data(rd);

					/* If this was the last resolver, remove the buddy */
					if (b_impl->resolvers == NULL)
						bonjour_buddy_signed_off(pb);
				}
			}
			break;
		case AVAHI_BROWSER_ALL_FOR_NOW:
		case AVAHI_BROWSER_CACHE_EXHAUSTED:
			break;
		default:
			purple_debug_info("bonjour", "Unrecognized Service browser event: %d.\n", event);
	}
}