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);
}
}
static void bonjour_xfer_request_denied(PurpleXfer *xfer)
{
XepXfer *xf = xfer->data;
purple_debug_info("bonjour", "Bonjour-xfer-request-denied.\n");
if(xf)
xep_ft_si_reject(xf->data, xf->sid, xfer->who, "403", "cancel");
bonjour_free_xfer(xfer);
}
static void bonjour_xfer_request_denied(PurpleXfer *xfer)
{
XepXfer *xf = purple_xfer_get_protocol_data(xfer);
purple_debug_info("bonjour", "Bonjour-xfer-request-denied.\n");
if(xf)
xep_ft_si_reject(xf->data, xf->sid, purple_xfer_get_remote_user(xfer), "403", "cancel");
bonjour_free_xfer(xfer);
}
void
xep_bytestreams_parse(PurpleConnection *pc, xmlnode *packet, PurpleBuddy *pb)
{
const char *type, *from, *iq_id, *sid;
xmlnode *query, *streamhost;
BonjourData *bd;
PurpleXfer *xfer;
g_return_if_fail(pc != NULL);
g_return_if_fail(packet != NULL);
g_return_if_fail(pb != NULL);
bd = (BonjourData*) pc->proto_data;
if(bd == NULL)
return;
purple_debug_info("bonjour", "xep-bytestreams-parse.\n");
type = xmlnode_get_attrib(packet, "type");
from = purple_buddy_get_name(pb);
query = xmlnode_get_child(packet,"query");
if(!type)
return;
query = xmlnode_copy(query);
if (!query)
return;
if(!purple_strequal(type, "set")) {
purple_debug_info("bonjour", "bytestream offer Message type - Unknown-%s.\n", type);
return;
}
purple_debug_info("bonjour", "bytestream offer Message type - SET.\n");
iq_id = xmlnode_get_attrib(packet, "id");
sid = xmlnode_get_attrib(query, "sid");
xfer = bonjour_si_xfer_find(bd, sid, from);
streamhost = xmlnode_get_child(query, "streamhost");
if(xfer && streamhost && __xep_bytestreams_parse(pb, xfer, streamhost, iq_id))
return; /* success */
purple_debug_error("bonjour", "Didn't find an acceptable streamhost.\n");
if (iq_id && xfer != NULL)
xep_ft_si_reject(bd, iq_id, xfer->who, "404", "cancel");
}
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);
}
void
xep_si_parse(PurpleConnection *pc, xmlnode *packet, PurpleBuddy *pb)
{
const char *type, *id;
BonjourData *bd;
PurpleXfer *xfer;
const gchar *name = NULL;
g_return_if_fail(pc != NULL);
g_return_if_fail(packet != NULL);
g_return_if_fail(pb != NULL);
bd = (BonjourData*) pc->proto_data;
if(bd == NULL)
return;
purple_debug_info("bonjour", "xep-si-parse.\n");
name = purple_buddy_get_name(pb);
type = xmlnode_get_attrib(packet, "type");
id = xmlnode_get_attrib(packet, "id");
if(!type)
return;
if(purple_strequal(type, "set")) {
xmlnode *si;
gboolean parsed_receive = FALSE;
si = xmlnode_get_child(packet, "si");
purple_debug_info("bonjour", "si offer Message type - SET.\n");
if (si) {
const char *profile;
profile = xmlnode_get_attrib(si, "profile");
if (purple_strequal(profile, "http://jabber.org/protocol/si/profile/file-transfer")) {
const char *filename = NULL, *filesize_str = NULL;
goffset filesize = 0;
xmlnode *file;
const char *sid = xmlnode_get_attrib(si, "id");
if ((file = xmlnode_get_child(si, "file"))) {
filename = xmlnode_get_attrib(file, "name");
if((filesize_str = xmlnode_get_attrib(file, "size")))
filesize = g_ascii_strtoll(filesize_str, NULL, 10);
}
/* TODO: Make sure that it is advertising a bytestreams transfer */
if (filename) {
bonjour_xfer_receive(pc, id, sid, name, filesize, filename, XEP_BYTESTREAMS);
parsed_receive = TRUE;
}
}
}
if (!parsed_receive) {
BonjourData *bd = purple_connection_get_protocol_data(pc);
purple_debug_info("bonjour", "rejecting unrecognized si SET offer.\n");
xep_ft_si_reject(bd, id, name, "403", "cancel");
/*TODO: Send Cancel (501) */
}
} else if(purple_strequal(type, "result")) {
purple_debug_info("bonjour", "si offer Message type - RESULT.\n");
xfer = bonjour_si_xfer_find(bd, id, name);
if(xfer == NULL) {
BonjourData *bd = purple_connection_get_protocol_data(pc);
purple_debug_info("bonjour", "xfer find fail.\n");
xep_ft_si_reject(bd, id, name, "403", "cancel");
} else
bonjour_bytestreams_init(xfer);
} else if(purple_strequal(type, "error")) {
purple_debug_info("bonjour", "si offer Message type - ERROR.\n");
xfer = bonjour_si_xfer_find(bd, id, name);
if(xfer == NULL)
purple_debug_info("bonjour", "xfer find fail.\n");
else
purple_xfer_cancel_remote(xfer);
} else
purple_debug_info("bonjour", "si offer Message type - Unknown-%s.\n", type);
}
