* Copyright (C) 2005 Thomas Butter <butter@uni-mannheim.de> * Thanks to Google's Summer of Code Program and the helpful mentors * This program 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 2 of the License, or * (at your option) any later version. * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA static PurpleProtocol *my_protocol = NULL; static gchar *gentag(void) { return g_strdup_printf("%04d%04d", g_random_int(), g_random_int()); static char *genbranch(void) { return g_strdup_printf("z9hG4bK%04X%04X%04X%04X%04X", g_random_int(), g_random_int(), g_random_int(), g_random_int(), g_random_int()); static char *gencallid(void) { return g_strdup_printf("%04Xg%04Xa%04Xi%04Xm%04Xt%04Xb%04Xx%04Xx", g_random_int(), g_random_int(), g_random_int(), g_random_int(), g_random_int(), g_random_int(), g_random_int(), g_random_int()); static const char *simple_list_icon(PurpleAccount *a, PurpleBuddy *b) { simple_uri_handler_find_account(PurpleAccount *account, G_GNUC_UNUSED gconstpointer data) const gchar *protocol_id; protocol_id = purple_account_get_protocol_id(account); if (purple_strequal(protocol_id, "prpl-simple") && purple_account_is_connected(account)) { simple_uri_handler(const gchar *scheme, const gchar *screenname, PurpleIMConversation *im; g_return_val_if_fail(screenname != NULL, FALSE); if (!purple_strequal(scheme, "sip")) { if (screenname[0] == '\0') { purple_debug_warning("simple", "Invalid empty screenname in URI"); /* Find online SIMPLE account */ accounts = purple_accounts_get_all(); account_node = g_list_find_custom( accounts, NULL, (GCompareFunc)simple_uri_handler_find_account); if (account_node == NULL) { im = purple_im_conversation_new(account_node->data, screenname); purple_conversation_present(PURPLE_CONVERSATION(im)); static void simple_keep_alive(PurpleConnection *gc) { struct simple_account_data *sip = purple_connection_get_protocol_data(gc); if(sip->udp) { /* in case of UDP send a packet only with a 0 byte to remain in the NAT table */ purple_debug_info("simple", "sending keep alive\n"); if (sendto(sip->fd, buf, 1, 0, (struct sockaddr*)&sip->serveraddr, sizeof(struct sockaddr_in)) != 1) purple_debug_error("simple", "failed sending keep alive\n"); static gboolean process_register_response(struct simple_account_data *sip, struct sipmsg *msg, struct transaction *tc); static void send_notify(struct simple_account_data *sip, struct simple_watcher *); static void send_open_publish(struct simple_account_data *sip); static void send_closed_publish(struct simple_account_data *sip); static void do_notifies(struct simple_account_data *sip) { GSList *tmp = sip->watcher; purple_debug_info("simple", "do_notifies()\n"); if((sip->republish != -1) || sip->republish < time(NULL)) { if(purple_account_get_bool(sip->account, "dopublish", TRUE)) { purple_debug_info("simple", "notifying %s\n", ((struct simple_watcher*)tmp->data)->name); send_notify(sip, tmp->data); static void simple_set_status(PurpleAccount *account, PurpleStatus *status) { PurpleConnection *gc = purple_account_get_connection(account); PurpleStatusPrimitive primitive = purple_status_type_get_primitive(purple_status_get_status_type(status)); struct simple_account_data *sip = NULL; if (!purple_status_is_active(status)) sip = purple_connection_get_protocol_data(gc); if (primitive == PURPLE_STATUS_AVAILABLE) sip->status = g_strdup("available"); sip->status = g_strdup("busy"); static struct sip_connection *connection_find(struct simple_account_data *sip, int fd) { struct sip_connection *ret = NULL; GSList *entry = sip->openconns; if(ret->fd == fd) return ret; static struct simple_watcher *watcher_find(struct simple_account_data *sip, struct simple_watcher *watcher; GSList *entry = sip->watcher; if(purple_strequal(name, watcher->name)) return watcher; static struct simple_watcher *watcher_create(struct simple_account_data *sip, const gchar *name, const gchar *callid, const gchar *ourtag, const gchar *theirtag, gboolean needsxpidf) { struct simple_watcher *watcher = g_new0(struct simple_watcher, 1); watcher->name = g_strdup(name); watcher->dialog.callid = g_strdup(callid); watcher->dialog.ourtag = g_strdup(ourtag); watcher->dialog.theirtag = g_strdup(theirtag); watcher->needsxpidf = needsxpidf; sip->watcher = g_slist_append(sip->watcher, watcher); watcher_destroy(struct simple_watcher *watcher) g_free(watcher->dialog.callid); g_free(watcher->dialog.ourtag); g_free(watcher->dialog.theirtag); static struct sip_connection *connection_create(struct simple_account_data *sip, int fd) { struct sip_connection *ret = g_new0(struct sip_connection, 1); sip->openconns = g_slist_append(sip->openconns, ret); connection_destroy(struct sip_connection *conn) if (conn->inputhandler) { purple_input_remove(conn->inputhandler); g_clear_pointer(&conn->inbuf, g_free); connection_remove(struct simple_account_data *sip, int fd) struct sip_connection *conn = connection_find(sip, fd); sip->openconns = g_slist_remove(sip->openconns, conn); connection_destroy(conn); static void simple_add_buddy(PurpleConnection *gc, PurpleBuddy *buddy, PurpleGroup *group, const char *message) struct simple_account_data *sip = purple_connection_get_protocol_data(gc); const char *name = purple_buddy_get_name(buddy); if(strncmp(name, "sip:", 4)) { gchar *buf = g_strdup_printf("sip:%s", name); purple_buddy_set_name(buddy, buf); if(!g_hash_table_lookup(sip->buddies, name)) { b = g_new0(struct simple_buddy, 1); purple_debug_info("simple", "simple_add_buddy %s\n", name); b->name = g_strdup(name); g_hash_table_insert(sip->buddies, b->name, b); purple_debug_info("simple", "buddy %s already in internal list\n", name); static void simple_get_buddies(PurpleConnection *gc) { purple_debug_info("simple", "simple_get_buddies\n"); account = purple_connection_get_account(gc); buddies = purple_blist_find_buddies(account, NULL); PurpleBuddy *buddy = buddies->data; simple_add_buddy(gc, buddy, purple_buddy_get_group(buddy), NULL); buddies = g_slist_delete_link(buddies, buddies); static void simple_remove_buddy(PurpleConnection *gc, PurpleBuddy *buddy, PurpleGroup *group) const char *name = purple_buddy_get_name(buddy); struct simple_account_data *sip = purple_connection_get_protocol_data(gc); struct simple_buddy *b = g_hash_table_lookup(sip->buddies, name); g_hash_table_remove(sip->buddies, name); static GList *simple_status_types(PurpleAccount *acc) { type = purple_status_type_new_with_attrs( PURPLE_STATUS_AVAILABLE, NULL, NULL, TRUE, TRUE, FALSE, "message", _("Message"), purple_value_new(G_TYPE_STRING), types = g_list_append(types, type); type = purple_status_type_new_full( PURPLE_STATUS_OFFLINE, NULL, NULL, TRUE, TRUE, FALSE); types = g_list_append(types, type); static gchar *auth_header(struct simple_account_data *sip, struct sip_auth *auth, const gchar *method, const gchar *target) { authuser = purple_account_get_string(sip->account, "authuser", sip->username); if(!authuser || strlen(authuser) < 1) { authuser = sip->username; if(auth->type == 1) { /* Digest */ sprintf(noncecount, "%08d", auth->nc++); response = simple_http_digest_calculate_response( method, target, auth->nonce, noncecount, auth->digest_session_key); purple_debug(PURPLE_DEBUG_MISC, "simple", "response %s\n", response); ret = g_strdup_printf("Digest username=\"%s\", realm=\"%s\", nonce=\"%s\", uri=\"%s\", nc=\"%s\", response=\"%s\"", authuser, auth->realm, auth->nonce, target, noncecount, response); } else if(auth->type == 2) { /* NTLM */ authdomain = purple_account_get_string(sip->account, if(auth->nc == 3 && auth->nonce) { /* TODO: Don't hardcode "purple" as the hostname */ ret = purple_ntlm_gen_type3(authuser, sip->password, "purple", authdomain, (const guint8 *)auth->nonce, &auth->flags); tmp = g_strdup_printf("NTLM qop=\"auth\", opaque=\"%s\", realm=\"%s\", targetname=\"%s\", gssapi-data=\"%s\"", auth->opaque, auth->realm, auth->target, ret); tmp = g_strdup_printf("NTLM qop=\"auth\", realm=\"%s\", targetname=\"%s\", gssapi-data=\"\"", auth->realm, auth->target); /* Used without support enabled */ g_return_val_if_reached(NULL); sprintf(noncecount, "%08d", auth->nc++); response = simple_http_digest_calculate_response( method, target, auth->nonce, noncecount, auth->digest_session_key); purple_debug(PURPLE_DEBUG_MISC, "simple", "response %s\n", response); ret = g_strdup_printf("Digest username=\"%s\", realm=\"%s\", nonce=\"%s\", uri=\"%s\", nc=\"%s\", response=\"%s\"", authuser, auth->realm, auth->nonce, target, noncecount, response); static char *parse_attribute(const char *attrname, const char *source) { int len = strlen(attrname); /* we know that source is NULL-terminated. * Therefore this loop won't be infinite. if(!strncmp(source, attrname, len)) { tmp2 = g_strstr_len(tmp, strlen(tmp), "\""); retval = g_strndup(tmp, tmp2 - tmp); static void fill_auth(struct simple_account_data *sip, const gchar *hdr, struct sip_auth *auth) { authuser = purple_account_get_string(sip->account, "authuser", sip->username); if(!authuser || strlen(authuser) < 1) { authuser = sip->username; purple_debug_error("simple", "fill_auth: hdr==NULL\n"); if(!g_ascii_strncasecmp(hdr, "NTLM", 4)) { purple_debug_info("simple", "found NTLM\n"); parts = g_strsplit(hdr+5, "\",", 0); purple_debug_info("simple", "parts[i] %s\n", parts[i]); if((tmp = parse_attribute("gssapi-data=\"", parts[i]))) { auth->nonce = g_memdup(purple_ntlm_parse_type2(tmp, &auth->flags), 8); if((tmp = parse_attribute("targetname=\"", else if((tmp = parse_attribute("realm=\"", else if((tmp = parse_attribute("opaque=\"", parts[i]))) { if(!strstr(hdr, "gssapi-data")) { purple_debug_error("simple", "NTLM auth unsupported without " "libnettle support. Please rebuild with " "libnettle support for this feature.\n"); } else if(!g_ascii_strncasecmp(hdr, "DIGEST", 6)) { purple_debug_info("simple", "found DIGEST\n"); parts = g_strsplit(hdr+7, ",", 0); if((tmp = parse_attribute("nonce=\"", parts[i]))) { else if((tmp = parse_attribute("realm=\"", parts[i]))) { purple_debug(PURPLE_DEBUG_MISC, "simple", "nonce: %s realm: %s\n", auth->nonce ? auth->nonce : "(null)", auth->realm ? auth->realm : "(null)"); auth->digest_session_key = simple_http_digest_calculate_session_key( authuser, auth->realm, sip->password, purple_debug_error("simple", "Unsupported or bad WWW-Authenticate header (%s).\n", hdr); static void simple_canwrite_cb(gpointer data, gint source, PurpleInputCondition cond) { PurpleConnection *gc = data; struct simple_account_data *sip = purple_connection_get_protocol_data(gc); const gchar *output = NULL; max_write = purple_circular_buffer_get_max_read(sip->txbuf); purple_input_remove(sip->tx_handler); output = purple_circular_buffer_get_output(sip->txbuf); written = write(sip->fd, output, max_write); if(written < 0 && errno == EAGAIN) /*TODO: do we really want to disconnect on a failure to write?*/ gchar *tmp = g_strdup_printf(_("Lost connection with server: %s"), purple_connection_error(gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, tmp); purple_circular_buffer_mark_read(sip->txbuf, written); static void simple_input_cb(gpointer data, gint source, PurpleInputCondition cond); static void send_later_cb(gpointer data, gint source, const gchar *error_message) { PurpleConnection *gc = data; struct simple_account_data *sip; struct sip_connection *conn; gchar *tmp = g_strdup_printf(_("Unable to connect: %s"), purple_connection_error(gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, tmp); sip = purple_connection_get_protocol_data(gc); simple_canwrite_cb(gc, sip->fd, PURPLE_INPUT_WRITE); /* If there is more to write now, we need to register a handler */ if(purple_circular_buffer_get_used(sip->txbuf) > 0) sip->tx_handler = purple_input_add(sip->fd, PURPLE_INPUT_WRITE, conn = connection_create(sip, source); conn->inputhandler = purple_input_add(sip->fd, PURPLE_INPUT_READ, simple_input_cb, gc); static void sendlater(PurpleConnection *gc, const char *buf) { struct simple_account_data *sip = purple_connection_get_protocol_data(gc); purple_debug_info("simple", "connecting to %s port %d\n", sip->realhostname ? sip->realhostname : "{NULL}", sip->realport); if (purple_proxy_connect(gc, sip->account, sip->realhostname, sip->realport, send_later_cb, gc) == NULL) { purple_connection_error(gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, _("Unable to connect")); if(purple_circular_buffer_get_max_read(sip->txbuf) > 0) purple_circular_buffer_append(sip->txbuf, "\r\n", 2); purple_circular_buffer_append(sip->txbuf, buf, strlen(buf)); static void sendout_pkt(PurpleConnection *gc, const char *buf) { struct simple_account_data *sip = purple_connection_get_protocol_data(gc); time_t currtime = time(NULL); int writelen = strlen(buf); purple_debug(PURPLE_DEBUG_MISC, "simple", "\n\nsending - %s\n######\n%s\n######\n\n", ctime(&currtime), buf); if(sendto(sip->fd, buf, writelen, 0, (struct sockaddr*)&sip->serveraddr, sizeof(struct sockaddr_in)) < writelen) { purple_debug_info("simple", "could not send packet\n"); ret = write(sip->fd, buf, writelen); if (ret < 0 && errno == EAGAIN) else if(ret <= 0) { /* XXX: When does this happen legitimately? */ sip->tx_handler = purple_input_add(sip->fd, PURPLE_INPUT_WRITE, simple_canwrite_cb, /* XXX: is it OK to do this? You might get part of a request sent if(purple_circular_buffer_get_used(sip->txbuf) > 0) purple_circular_buffer_append(sip->txbuf, "\r\n", 2); purple_circular_buffer_append(sip->txbuf, buf + ret, static int simple_send_raw(PurpleConnection *gc, const char *buf, int len) static void sendout_sipmsg(struct simple_account_data *sip, struct sipmsg *msg) { GSList *tmp = msg->headers; GString *outstr = g_string_new(""); g_string_append_printf(outstr, "%s %s SIP/2.0\r\n", msg->method, msg->target); name = ((struct siphdrelement*) (tmp->data))->name; value = ((struct siphdrelement*) (tmp->data))->value; g_string_append_printf(outstr, "%s: %s\r\n", name, value); g_string_append_printf(outstr, "\r\n%s", msg->body ? msg->body : ""); sendout_pkt(sip->gc, outstr->str); g_string_free(outstr, TRUE); static void send_sip_response(PurpleConnection *gc, struct sipmsg *msg, int code, const char *text, const char *body) { GSList *tmp = msg->headers; GString *outstr = g_string_new(""); /* When sending the acknowlegements and errors, the content length from the original message is still here, but there is no body; we need to make sure we're sending the correct content length */ sipmsg_remove_header(msg, "Content-Length"); sprintf(len, "%" G_GSIZE_FORMAT , strlen(body)); sipmsg_add_header(msg, "Content-Length", len); sipmsg_add_header(msg, "Content-Length", "0"); g_string_append_printf(outstr, "SIP/2.0 %d %s\r\n", code, text); name = ((struct siphdrelement*) (tmp->data))->name; value = ((struct siphdrelement*) (tmp->data))->value; g_string_append_printf(outstr, "%s: %s\r\n", name, value); g_string_append_printf(outstr, "\r\n%s", body ? body : ""); sendout_pkt(gc, outstr->str); g_string_free(outstr, TRUE); transactions_destroy(struct transaction *trans) static void transactions_add_buf(struct simple_account_data *sip, const gchar *buf, void *callback) { struct transaction *trans = g_new0(struct transaction, 1); trans->time = time(NULL); trans->msg = sipmsg_parse_msg(buf); trans->cseq = sipmsg_find_header(trans->msg, "CSeq"); trans->callback = callback; sip->transactions = g_slist_append(sip->transactions, trans); static struct transaction *transactions_find(struct simple_account_data *sip, struct sipmsg *msg) { struct transaction *trans; GSList *transactions = sip->transactions; const gchar *cseq = sipmsg_find_header(msg, "CSeq"); trans = transactions->data; if(purple_strequal(trans->cseq, cseq)) { transactions = transactions->next; purple_debug(PURPLE_DEBUG_MISC, "simple", "Received message contains no CSeq header.\n"); static void send_sip_request(PurpleConnection *gc, const gchar *method, const gchar *url, const gchar *to, const gchar *addheaders, const gchar *body, struct sip_dialog *dialog, TransCallback tc) { struct simple_account_data *sip = purple_connection_get_protocol_data(gc); char *callid = dialog ? g_strdup(dialog->callid) : gencallid(); gchar *branch = genbranch(); if(purple_strequal(method, "REGISTER")) { callid = g_strdup(sip->regcallid); else sip->regcallid = g_strdup(callid); if(addheaders) addh = addheaders; if(sip->registrar.type && purple_strequal(method, "REGISTER")) { buf = auth_header(sip, &sip->registrar, method, url); auth = g_strdup_printf("Authorization: %s\r\n", buf); purple_debug(PURPLE_DEBUG_MISC, "simple", "header %s", auth); } else if(sip->proxy.type && !purple_strequal(method, "REGISTER")) { buf = auth_header(sip, &sip->proxy, method, url); auth = g_strdup_printf("Proxy-Authorization: %s\r\n", buf); purple_debug(PURPLE_DEBUG_MISC, "simple", "header %s", auth); buf = g_strdup_printf("%s %s SIP/2.0\r\n" "Via: SIP/2.0/%s %s:%d;branch=%s\r\n" /* Don't know what epid is, but LCS wants it */ "From: <sip:%s@%s>;tag=%s;epid=1234567890\r\n" "User-Agent: Purple/" VERSION "\r\n" "Content-Length: %" G_GSIZE_FORMAT "\r\n\r\n%s", sip->udp ? "UDP" : "TCP", purple_network_get_my_ip(-1), dialog ? dialog->ourtag : tag, dialog ? dialog->theirtag : "", /* add to ongoing transactions */ transactions_add_buf(sip, buf, tc); static char *get_contact(struct simple_account_data *sip) { return g_strdup_printf("<sip:%s@%s:%d;transport=%s>;methods=\"MESSAGE, SUBSCRIBE, NOTIFY\"", sip->username, purple_network_get_my_ip(-1), sip->udp ? "udp" : "tcp"); static void do_register_exp(struct simple_account_data *sip, int expire) { char *uri, *to, *contact, *hdr; sip->reregister = time(NULL) + expire - 50; uri = g_strdup_printf("sip:%s", sip->servername); to = g_strdup_printf("sip:%s@%s", sip->username, sip->servername); contact = get_contact(sip); hdr = g_strdup_printf("Contact: %s\r\nExpires: %d\r\n", contact, expire); sip->registerstatus = SIMPLE_REGISTER_SENT; send_sip_request(sip->gc, "REGISTER", uri, to, hdr, "", NULL, process_register_response); static void do_register(struct simple_account_data *sip) { do_register_exp(sip, sip->registerexpire); static gchar *parse_from(const gchar *hdr) { const gchar *tmp, *tmp2 = hdr; purple_debug_info("simple", "parsing address out of %s\n", hdr); /* i hate the different SIP UA behaviours... */ if(tmp) { /* sip address in <...> */ from = g_strndup(tmp2, tmp - tmp2); purple_debug_info("simple", "found < without > in From\n"); from = g_strndup(tmp2, tmp - tmp2); purple_debug_info("simple", "got %s\n", from); static gchar *find_tag(const gchar *); static gboolean process_subscribe_response(struct simple_account_data *sip, struct sipmsg *msg, struct transaction *tc) { struct simple_buddy *b = NULL; gchar *theirtag = NULL, *ourtag = NULL; const gchar *callid = NULL; purple_debug_info("simple", "process subscribe response\n"); if(msg->response == 200 || msg->response == 202) { if ( (to = parse_from(sipmsg_find_header(msg, "To"))) && (b = g_hash_table_lookup(sip->buddies, to)) && purple_debug_info("simple", "creating dialog" " information for a subscription.\n"); theirtag = find_tag(sipmsg_find_header(msg, "To")); ourtag = find_tag(sipmsg_find_header(msg, "From")); callid = sipmsg_find_header(msg, "Call-ID"); if (theirtag && ourtag && callid) b->dialog = g_new0(struct sip_dialog, 1); b->dialog->ourtag = g_strdup(ourtag); b->dialog->theirtag = g_strdup(theirtag); b->dialog->callid = g_strdup(callid); purple_debug_info("simple", "ourtag: %s\n", purple_debug_info("simple", "theirtag: %s\n", purple_debug_info("simple", "callid: %s\n", purple_debug_info("simple", "cannot create dialog!\n"); to = parse_from(sipmsg_find_header(tc->msg, "To")); /* cant be NULL since it is our own msg */ /* we can not subscribe -> user is offline (TODO unknown status?) */ purple_protocol_got_user_status(sip->account, to, "offline", NULL); static void simple_subscribe_exp(struct simple_account_data *sip, struct simple_buddy *buddy, int expiration) { gchar *contact, *to, *tmp, *tmp2; "Accept: application/pidf+xml, application/xpidf+xml\r\n" if(strncmp(buddy->name, "sip:", 4)) to = g_strdup_printf("sip:%s", buddy->name); to = g_strdup(buddy->name); contact = g_strdup_printf("%sContact: %s\r\n", tmp2, tmp); send_sip_request(sip->gc, "SUBSCRIBE", to, to, contact,"",buddy->dialog, (expiration > 0) ? process_subscribe_response : NULL); /* resubscribe before subscription expires */ buddy->resubscribe = time(NULL) + (expiration - 60) + (g_random_int_range(0, 50)); buddy->resubscribe = time(NULL) + ((int) (expiration / 2)); static void simple_subscribe(struct simple_account_data *sip, struct simple_buddy *buddy) { simple_subscribe_exp(sip, buddy, SUBSCRIBE_EXPIRATION); static void simple_unsubscribe(char *name, struct simple_buddy *buddy, struct simple_account_data *sip) { purple_debug_info("simple", "Unsubscribing from %s\n", name); simple_subscribe_exp(sip, buddy, 0); static gboolean simple_add_lcs_contacts(struct simple_account_data *sip, struct sipmsg *msg, struct transaction *tc) { PurpleXmlNode *item, *group, *isc; tmp = sipmsg_find_header(msg, "Event"); if(tmp && !strncmp(tmp, "vnd-microsoft-roaming-contacts", 30)){ purple_debug_info("simple", "simple_add_lcs_contacts->%s-%d\n", msg->body, len); /*Convert the contact from XML to Purple Buddies*/ isc = purple_xmlnode_from_str(msg->body, len); /* ToDo. Find for all groups */ if ((group = purple_xmlnode_get_child(isc, "group"))) { name_group = purple_xmlnode_get_attrib(group, "name"); purple_debug_info("simple", "name_group->%s\n", name_group); g = purple_blist_find_group(name_group); g = purple_group_new(name_group); g = purple_blist_get_default_group(); for(item = purple_xmlnode_get_child(isc, "contact"); item; item = purple_xmlnode_get_next_twin(item)) uri = purple_xmlnode_get_attrib(item, "uri"); /*name = purple_xmlnode_get_attrib(item, "name"); groups = purple_xmlnode_get_attrib(item, "groups");*/ purple_debug_info("simple", "URI->%s\n", uri); buddy_name = g_strdup_printf("sip:%s", uri); b = purple_blist_find_buddy(sip->account, buddy_name); b = purple_buddy_new(sip->account, buddy_name, uri); purple_blist_add_buddy(b, NULL, g, NULL); purple_buddy_set_local_alias(b, uri); bs = g_new0(struct simple_buddy, 1); bs->name = g_strdup(purple_buddy_get_name(b)); g_hash_table_insert(sip->buddies, bs->name, bs); purple_xmlnode_free(isc); static void simple_subscribe_buddylist(struct simple_account_data *sip) { gchar *contact = "Event: vnd-microsoft-roaming-contacts\r\nAccept: application/vnd-microsoft-roaming-contacts+xml\r\nSupported: com.microsoft.autoextend\r\nSupported: ms-benotify\r\nProxy-Require: ms-benotify\r\nSupported: ms-piggyback-first-notify\r\n"; to = g_strdup_printf("sip:%s@%s", sip->username, sip->servername); contact = g_strdup_printf("%sContact: %s\r\n", contact, tmp); send_sip_request(sip->gc, "SUBSCRIBE", to, to, contact, "", NULL, simple_add_lcs_contacts); static void simple_buddy_resub(char *name, struct simple_buddy *buddy, struct simple_account_data *sip) { time_t curtime = time(NULL); purple_debug_info("simple", "buddy resub\n"); if(buddy->resubscribe < curtime) { purple_debug(PURPLE_DEBUG_MISC, "simple", "simple_buddy_resub %s\n", name); simple_subscribe(sip, buddy); static gboolean resend_timeout(struct simple_account_data *sip) { GSList *tmp = sip->transactions; time_t currtime = time(NULL); struct transaction *trans = tmp->data; purple_debug_info("simple", "have open transaction age: %lu\n", currtime- trans->time); if((currtime - trans->time > 5) && trans->retries >= 1) { if((currtime - trans->time > 2) && trans->retries == 0) { sendout_sipmsg(sip, trans->msg); static gboolean subscribe_timeout(struct simple_account_data *sip) { time_t curtime = time(NULL); /* register again if first registration expires */ if(sip->reregister < curtime) { /* publish status again if our last update is about to expire. */ if (sip->republish != -1 && sip->republish < curtime && purple_account_get_bool(sip->account, "dopublish", TRUE)) purple_debug_info("simple", "subscribe_timeout: republishing status.\n"); /* check for every subscription if we need to resubscribe */ g_hash_table_foreach(sip->buddies, (GHFunc)simple_buddy_resub, (gpointer)sip); /* remove a timed out suscriber */ GSList *next = tmp->next; struct simple_watcher *watcher = tmp->data; if(watcher->expire < curtime) { sip->watcher = g_slist_delete_link(sip->watcher, tmp); watcher_destroy(watcher); static void simple_send_message(struct simple_account_data *sip, const char *to, const char *msg, const char *type) { if(strncmp(to, "sip:", 4)) fullto = g_strdup_printf("sip:%s", to); hdr = g_strdup_printf("Content-Type: %s\r\n", type); hdr = g_strdup("Content-Type: text/plain\r\n"); send_sip_request(sip->gc, "MESSAGE", fullto, fullto, hdr, msg, NULL, NULL); static int simple_im_send(PurpleConnection *gc, PurpleMessage *msg) { struct simple_account_data *sip = purple_connection_get_protocol_data(gc); char *to = g_strdup(purple_message_get_recipient(msg)); char *text = purple_unescape_html(purple_message_get_contents(msg)); simple_send_message(sip, to, text, NULL); static void process_incoming_message(struct simple_account_data *sip, struct sipmsg *msg) { const gchar *contenttype; from = parse_from(sipmsg_find_header(msg, "From")); purple_debug(PURPLE_DEBUG_MISC, "simple", "got message from %s: %s\n", from, msg->body); contenttype = sipmsg_find_header(msg, "Content-Type"); if(!contenttype || !strncmp(contenttype, "text/plain", 10) || !strncmp(contenttype, "text/html", 9)) { purple_serv_got_im(sip->gc, from, msg->body, 0, time(NULL)); send_sip_response(sip->gc, msg, 200, "OK", NULL); else if(!strncmp(contenttype, "application/im-iscomposing+xml", 30)) { PurpleXmlNode *isc = purple_xmlnode_from_str(msg->body, msg->bodylen); purple_debug_info("simple", "process_incoming_message: can not parse iscomposing\n"); state = purple_xmlnode_get_child(isc, "state"); purple_debug_info("simple", "process_incoming_message: no state found\n"); purple_xmlnode_free(isc); statedata = purple_xmlnode_get_data(state); if(strstr(statedata, "active")) purple_serv_got_typing(sip->gc, from, 0, PURPLE_IM_TYPING); purple_serv_got_typing_stopped(sip->gc, from); purple_xmlnode_free(isc); send_sip_response(sip->gc, msg, 200, "OK", NULL); purple_debug_info("simple", "got unknown mime-type\n"); send_sip_response(sip->gc, msg, 415, "Unsupported media type", NULL); gboolean process_register_response(struct simple_account_data *sip, struct sipmsg *msg, struct transaction *tc) { purple_debug(PURPLE_DEBUG_MISC, "simple", "in process register response response: %d\n", msg->response); if(sip->registerstatus < SIMPLE_REGISTER_COMPLETE) { /* registered */ if(purple_account_get_bool(sip->account, "dopublish", TRUE)) { sip->registerstatus = SIMPLE_REGISTER_COMPLETE; purple_connection_set_state(sip->gc, PURPLE_CONNECTION_CONNECTED); /* get buddies from blist */ simple_get_buddies(sip->gc); tmp = sipmsg_find_header(msg, "Allow-Events"); if(tmp && strstr(tmp, "vnd-microsoft-provisioning")){ simple_subscribe_buddylist(sip); if(sip->registerstatus != SIMPLE_REGISTER_RETRY) { purple_debug_info("simple", "REGISTER retries %d\n", sip->registrar.retries); if(sip->registrar.retries > SIMPLE_REGISTER_RETRY_MAX) { if (!purple_account_get_remember_password(purple_connection_get_account(sip->gc))) purple_account_set_password(purple_connection_get_account(sip->gc), NULL, NULL, NULL); purple_connection_error(sip->gc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, _("Incorrect password")); tmp = sipmsg_find_header(msg, "WWW-Authenticate"); fill_auth(sip, tmp, &sip->registrar); sip->registerstatus = SIMPLE_REGISTER_RETRY; if (sip->registerstatus != SIMPLE_REGISTER_RETRY) { purple_debug_info("simple", "Unrecognized return code for REGISTER.\n"); if (sip->registrar.retries > SIMPLE_REGISTER_RETRY_MAX) { purple_connection_error(sip->gc, PURPLE_CONNECTION_ERROR_OTHER_ERROR, _("Unknown server response")); sip->registerstatus = SIMPLE_REGISTER_RETRY; static gboolean dialog_match(struct sip_dialog *dialog, struct sipmsg *msg) gchar *ourtag, *theirtag; fromhdr = sipmsg_find_header(msg, "From"); tohdr = sipmsg_find_header(msg, "To"); callid = sipmsg_find_header(msg, "Call-ID"); if (!fromhdr || !tohdr || !callid) ourtag = find_tag(tohdr); theirtag = find_tag(fromhdr); if (ourtag && theirtag && purple_strequal(dialog->callid, callid) && purple_strequal(dialog->ourtag, ourtag) && purple_strequal(dialog->theirtag, theirtag)) static void process_incoming_notify(struct simple_account_data *sip, struct sipmsg *msg) { PurpleXmlNode *basicstatus = NULL, *tuple, *status; gboolean isonline = FALSE; struct simple_buddy *b = NULL; const gchar *sshdr = NULL; fromhdr = sipmsg_find_header(msg, "From"); from = parse_from(fromhdr); b = g_hash_table_lookup(sip->buddies, from); purple_debug_info("simple", "Could not find the buddy.\n"); if (b->dialog && !dialog_match(b->dialog, msg)) /* We only accept notifies from people that * we already have a dialog with. purple_debug_info("simple","No corresponding dialog for notify--discard\n"); pidf = purple_xmlnode_from_str(msg->body, msg->bodylen); purple_debug_info("simple", "process_incoming_notify: no parseable pidf\n"); sshdr = sipmsg_find_header(msg, "Subscription-State"); gchar **ssparts = g_strsplit(sshdr, ":", 0); if (purple_str_has_prefix(ssparts[i], "terminated")) purple_debug_info("simple", "Subscription expired!"); g_free(b->dialog->ourtag); g_free(b->dialog->theirtag); g_free(b->dialog->callid); purple_protocol_got_user_status(sip->account, from, "offline", NULL); send_sip_response(sip->gc, msg, 200, "OK", NULL); if ((tuple = purple_xmlnode_get_child(pidf, "tuple"))) if ((status = purple_xmlnode_get_child(tuple, "status"))) basicstatus = purple_xmlnode_get_child(status, "basic"); purple_debug_info("simple", "process_incoming_notify: no basic found\n"); purple_xmlnode_free(pidf); basicstatus_data = purple_xmlnode_get_data(basicstatus); purple_debug_info("simple", "process_incoming_notify: no basic data found\n"); purple_xmlnode_free(pidf); if(strstr(basicstatus_data, "open")) purple_protocol_got_user_status(sip->account, from, "available", NULL); purple_protocol_got_user_status(sip->account, from, "offline", NULL); purple_xmlnode_free(pidf); g_free(basicstatus_data); send_sip_response(sip->gc, msg, 200, "OK", NULL); static unsigned int simple_typing(PurpleConnection *gc, const char *name, PurpleIMTypingState state) { struct simple_account_data *sip = purple_connection_get_protocol_data(gc); gchar *xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" "<isComposing xmlns=\"urn:ietf:params:xml:ns:im-iscomposing\"\n" "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" "xsi:schemaLocation=\"urn:ietf:params:xml:ns:im-composing iscomposing.xsd\">\n" "<contenttype>text/plain</contenttype>\n" "<refresh>60</refresh>\n" gchar *recv = g_strdup(name); if(state == PURPLE_IM_TYPING) { gchar *msg = g_strdup_printf(xml, "active"); simple_send_message(sip, recv, msg, "application/im-iscomposing+xml"); } else /* TODO: Only if (state == PURPLE_IM_TYPED) ? */ { gchar *msg = g_strdup_printf(xml, "idle"); simple_send_message(sip, recv, msg, "application/im-iscomposing+xml"); * TODO: Is this right? It will cause the core to call * purple_serv_send_typing(gc, who, PURPLE_IM_TYPING) once every second * until the user stops typing. If that's not desired, static gchar *find_tag(const gchar *hdr) { const gchar *tmp = strstr(hdr, ";tag="), *tmp2; if((tmp2 = strchr(tmp, ';'))) { return g_strndup(tmp, tmp2 - tmp); static gchar* gen_xpidf(struct simple_account_data *sip) { gchar *doc = g_strdup_printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" "<presentity uri=\"sip:%s@%s;method=SUBSCRIBE\"/>\n" "<display name=\"sip:%s@%s\"/>\n" "<address uri=\"sip:%s@%s\">\n" "<status status=\"%s\"/>\n" static gchar* gen_pidf(struct simple_account_data *sip, gboolean open) { gchar *doc = g_strdup_printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" "<presence xmlns=\"urn:ietf:params:xml:ns:pidf\"\n" "xmlns:im=\"urn:ietf:params:xml:ns:pidf:im\"\n" "entity=\"sip:%s@%s\">\n" "<tuple id=\"bs35r9f\">\n" (open == TRUE) ? "open" : "closed", (open == TRUE) ? sip->status : ""); static void send_notify(struct simple_account_data *sip, struct simple_watcher *watcher) { gchar *doc = watcher->needsxpidf ? gen_xpidf(sip) : gen_pidf(sip, TRUE); gchar *hdr = watcher->needsxpidf ? "Event: presence\r\nContent-Type: application/xpidf+xml\r\n" : "Event: presence\r\nContent-Type: application/pidf+xml\r\n"; send_sip_request(sip->gc, "NOTIFY", watcher->name, watcher->name, hdr, doc, &watcher->dialog, NULL); static gboolean process_publish_response(struct simple_account_data *sip, struct sipmsg *msg, struct transaction *tc) { const gchar *etag = NULL; if(msg->response != 200 && msg->response != 408) { etag = sipmsg_find_header(msg, "SIP-Etag"); /* we must store the etag somewhere. */ g_free(sip->publish_etag); sip->publish_etag = g_strdup(etag); static void send_open_publish(struct simple_account_data *sip) { gchar *add_headers = NULL; gchar *uri = g_strdup_printf("sip:%s@%s", sip->username, sip->servername); gchar *doc = gen_pidf(sip, TRUE); add_headers = g_strdup_printf("%s%s%s%s%d\r\n%s", sip->publish_etag ? "SIP-If-Match: " : "", sip->publish_etag ? sip->publish_etag : "", sip->publish_etag ? "\r\n" : "", "Expires: ", PUBLISH_EXPIRATION, "Content-Type: application/pidf+xml\r\n"); send_sip_request(sip->gc, "PUBLISH", uri, uri, add_headers, doc, NULL, process_publish_response); sip->republish = time(NULL) + PUBLISH_EXPIRATION - 50; static void send_closed_publish(struct simple_account_data *sip) { gchar *uri = g_strdup_printf("sip:%s@%s", sip->username, sip->servername); gchar *add_headers, *doc; add_headers = g_strdup_printf("%s%s%s%s", sip->publish_etag ? "SIP-If-Match: " : "", sip->publish_etag ? sip->publish_etag : "", sip->publish_etag ? "\r\n" : "", "Content-Type: application/pidf+xml\r\n"); doc = gen_pidf(sip, FALSE); send_sip_request(sip->gc, "PUBLISH", uri, uri, add_headers, doc, NULL, process_publish_response); /*sip->republish = time(NULL) + 500;*/ static void process_incoming_subscribe(struct simple_account_data *sip, struct sipmsg *msg) { const char *from_hdr = sipmsg_find_header(msg, "From"); gchar *from = parse_from(from_hdr); gchar *theirtag = find_tag(from_hdr); gchar *ourtag = find_tag(sipmsg_find_header(msg, "To")); gboolean tagadded = FALSE; const gchar *callid = sipmsg_find_header(msg, "Call-ID"); const gchar *expire = sipmsg_find_header(msg, "Expire"); struct simple_watcher *watcher = watcher_find(sip, from); if(!watcher) { /* new subscription */ const gchar *acceptheader = sipmsg_find_header(msg, "Accept"); gboolean needsxpidf = FALSE; if(!purple_account_privacy_check(sip->account, from)) { send_sip_response(sip->gc, msg, 202, "Ok", NULL); const gchar *tmp = acceptheader; gboolean foundpidf = FALSE; gboolean foundxpidf = FALSE; while(tmp && tmp < acceptheader + strlen(acceptheader)) { gchar *tmp2 = strchr(tmp, ','); if(!g_ascii_strcasecmp("application/pidf+xml", tmp)) if(!g_ascii_strcasecmp("application/xpidf+xml", tmp)) while(*tmp == ' ') tmp++; if(!foundpidf && foundxpidf) needsxpidf = TRUE; watcher = watcher_create(sip, from, callid, ourtag, theirtag, needsxpidf); gchar *to = g_strdup_printf("%s;tag=%s", sipmsg_find_header(msg, "To"), ourtag); sipmsg_remove_header(msg, "To"); sipmsg_add_header(msg, "To", to); watcher->expire = time(NULL) + strtol(expire, NULL, 10); watcher->expire = time(NULL) + 600; sipmsg_remove_header(msg, "Contact"); sipmsg_add_header(msg, "Contact", tmp); purple_debug_info("simple", "got subscribe: name %s ourtag %s theirtag %s callid %s\n", watcher->name, watcher->dialog.ourtag, watcher->dialog.theirtag, watcher->dialog.callid); send_sip_response(sip->gc, msg, 200, "Ok", NULL); send_notify(sip, watcher); static void process_input_message(struct simple_account_data *sip, struct sipmsg *msg) { if(msg->response == 0) { /* request */ if(purple_strequal(msg->method, "MESSAGE")) { process_incoming_message(sip, msg); } else if(purple_strequal(msg->method, "NOTIFY")) { process_incoming_notify(sip, msg); } else if(purple_strequal(msg->method, "SUBSCRIBE")) { process_incoming_subscribe(sip, msg); send_sip_response(sip->gc, msg, 501, "Not implemented", NULL); struct transaction *trans = transactions_find(sip, msg); if(msg->response == 407) { if(sip->proxy.retries > 3) return; /* do proxy authentication */ ptmp = sipmsg_find_header(msg, "Proxy-Authenticate"); fill_auth(sip, ptmp, &sip->proxy); auth = auth_header(sip, &sip->proxy, trans->msg->method, trans->msg->target); sipmsg_remove_header(trans->msg, "Proxy-Authorization"); sipmsg_add_header(trans->msg, "Proxy-Authorization", auth); resend = sipmsg_to_string(trans->msg); sendout_pkt(sip->gc, resend); if(msg->response == 100) { /* ignore provisional response */ purple_debug_info("simple", "got trying response\n"); if(purple_strequal(trans->msg->method, "REGISTER")) { /* This is encountered when a REGISTER request was ... if(msg->response == 401) { /* denied until further authentication was provided. */ sip->registrar.retries++; else if (msg->response != 200) { /* denied for some other reason! */ sip->registrar.retries++; sip->registrar.retries = 0; if(msg->response == 401) { /* This is encountered when a generic (MESSAGE, NOTIFY, etc) * was denied until further authorization is provided. if(sip->registrar.retries > SIMPLE_REGISTER_RETRY_MAX) return; sip->registrar.retries++; ptmp = sipmsg_find_header(msg, "WWW-Authenticate"); fill_auth(sip, ptmp, &sip->registrar); auth = auth_header(sip, &sip->registrar, trans->msg->method, trans->msg->target); sipmsg_remove_header(trans->msg, "Authorization"); sipmsg_add_header(trans->msg, "Authorization", auth); resend = sipmsg_to_string(trans->msg); sendout_pkt(sip->gc, resend); /* Reset any count of retries that may have * accumulated in the above branch. sip->registrar.retries = 0; /* call the callback to process response*/ (trans->callback)(sip, msg, trans); g_slist_remove(sip->transactions, trans); transactions_destroy(trans); purple_debug(PURPLE_DEBUG_MISC, "simple", "received response to unknown transaction"); purple_debug(PURPLE_DEBUG_MISC, "simple", "received a unknown sip message with method %s and response %d\n", msg->method, msg->response); static void process_input(struct simple_account_data *sip, struct sip_connection *conn) /* according to the RFC remove CRLF at the beginning */ while(*cur == '\r' || *cur == '\n') { memmove(conn->inbuf, cur, conn->inbufused - (cur - conn->inbuf)); conn->inbufused = strlen(conn->inbuf); /* Received a full Header? */ if((cur = strstr(conn->inbuf, "\r\n\r\n")) != NULL) { time_t currtime = time(NULL); purple_debug_info("simple", "\n\nreceived - %s\n######\n%s\n#######\n\n", ctime(&currtime), conn->inbuf); msg = sipmsg_parse_header(conn->inbuf); /* Should we re-use this error message (from lower in the function)? */ purple_debug_misc("simple", "received a incomplete sip msg: %s\n", conn->inbuf); restlen = conn->inbufused - (cur - conn->inbuf); if(restlen >= msg->bodylen) { dummy = g_new(char, msg->bodylen + 1); memcpy(dummy, cur, msg->bodylen); dummy[msg->bodylen] = '\0'; memmove(conn->inbuf, cur, conn->inbuflen - (cur - conn->inbuf)); conn->inbufused = strlen(conn->inbuf); purple_debug(PURPLE_DEBUG_MISC, "simple", "in process response response: %d\n", msg->response); process_input_message(sip, msg); purple_debug(PURPLE_DEBUG_MISC, "simple", "received a incomplete sip msg: %s\n", conn->inbuf); static void simple_udp_process(gpointer data, gint source, PurpleInputCondition con) { PurpleConnection *gc = data; struct simple_account_data *sip = purple_connection_get_protocol_data(gc); time_t currtime = time(NULL); static char buffer[65536]; if((len = recv(source, buffer, sizeof(buffer) - 1, 0)) > 0) { purple_debug_info("simple", "\n\nreceived - %s\n######\n%s\n#######\n\n", ctime(&currtime), buffer); msg = sipmsg_parse_msg(buffer); process_input_message(sip, msg); static void simple_input_cb(gpointer data, gint source, PurpleInputCondition cond) PurpleConnection *gc = data; struct simple_account_data *sip = purple_connection_get_protocol_data(gc); struct sip_connection *conn = connection_find(sip, source); purple_debug_error("simple", "Connection not found!\n"); if(conn->inbuflen < conn->inbufused + SIMPLE_BUF_INC) { conn->inbuflen += SIMPLE_BUF_INC; conn->inbuf = g_realloc(conn->inbuf, conn->inbuflen); len = read(source, conn->inbuf + conn->inbufused, SIMPLE_BUF_INC - 1); if(len < 0 && errno == EAGAIN) purple_debug_info("simple", "simple_input_cb: read error\n"); connection_remove(sip, source); if(sip->fd == source) sip->fd = -1; purple_connection_update_last_received(gc); conn->inbuf[conn->inbufused] = '\0'; process_input(sip, conn); /* Callback for new connections on incoming TCP port */ static void simple_newconn_cb(gpointer data, gint source, PurpleInputCondition cond) { PurpleConnection *gc = data; struct simple_account_data *sip = purple_connection_get_protocol_data(gc); struct sip_connection *conn; newfd = accept(source, NULL, NULL); g_return_if_fail(newfd >= 0); _purple_network_set_common_socket_flags(newfd); conn = connection_create(sip, newfd); conn->inputhandler = purple_input_add(newfd, PURPLE_INPUT_READ, simple_input_cb, gc); static void login_cb(gpointer data, gint source, const gchar *error_message) { PurpleConnection *gc = data; struct simple_account_data *sip; struct sip_connection *conn; gchar *tmp = g_strdup_printf(_("Unable to connect: %s"), purple_connection_error(gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, tmp); sip = purple_connection_get_protocol_data(gc); conn = connection_create(sip, source); sip->registertimeout = g_timeout_add(g_random_int_range(10000, 100000), (GSourceFunc)subscribe_timeout, sip); conn->inputhandler = purple_input_add(sip->fd, PURPLE_INPUT_READ, simple_input_cb, gc); static guint simple_ht_hash_nick(const char *nick) { char *lc = g_utf8_strdown(nick, -1); guint bucket = g_str_hash(lc); static gboolean simple_ht_equals_nick(const char *nick1, const char *nick2) { return (purple_utf8_strcasecmp(nick1, nick2) == 0); static void simple_udp_host_resolved_listen_cb(int listenfd, gpointer data) { struct simple_account_data *sip = (struct simple_account_data*) data; purple_connection_error(sip->gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, _("Unable to create listen socket")); * TODO: Is it correct to set sip->fd to the listenfd? For the TCP * listener we set sip->listenfd, but maybe UDP is different? * Maybe we use the same fd for outgoing data or something? sip->listenport = purple_network_get_port_from_fd(sip->fd); sip->listenpa = purple_input_add(sip->fd, PURPLE_INPUT_READ, simple_udp_process, sip->gc); sip->resendtimeout = g_timeout_add(2500, (GSourceFunc) resend_timeout, sip); sip->registertimeout = g_timeout_add(g_random_int_range(10000, 100000), (GSourceFunc)subscribe_timeout, sip); simple_udp_host_resolved(GObject *sender, GAsyncResult *result, gpointer data) { GInetAddress *inet_address = NULL; GSocketAddress *socket_address = NULL; struct simple_account_data *sip = (struct simple_account_data*) data; addresses = g_resolver_lookup_by_name_finish(G_RESOLVER(sender), gchar *msg = g_strdup_printf(_("Unable to resolve hostname : %s"), purple_connection_error(sip->gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, inet_address = G_INET_ADDRESS(addresses->data); socket_address = g_inet_socket_address_new(inet_address, sip->realport); g_object_unref(G_OBJECT(inet_address)); g_socket_address_to_native(socket_address, g_socket_address_get_native_size(socket_address), g_object_unref(G_OBJECT(socket_address)); g_resolver_free_addresses(addresses); /* create socket for incoming connections */ sip->listen_data = purple_network_listen_range(5060, 5160, AF_UNSPEC, SOCK_DGRAM, TRUE, simple_udp_host_resolved_listen_cb, sip); if (sip->listen_data == NULL) { purple_connection_error(sip->gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, _("Unable to create listen socket")); simple_tcp_connect_listen_cb(int listenfd, gpointer data) { struct simple_account_data *sip = (struct simple_account_data*) data; sip->listenfd = listenfd; if(sip->listenfd == -1) { purple_connection_error(sip->gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, _("Unable to create listen socket")); purple_debug_info("simple", "listenfd: %d\n", sip->listenfd); sip->listenport = purple_network_get_port_from_fd(sip->listenfd); sip->listenpa = purple_input_add(sip->listenfd, PURPLE_INPUT_READ, simple_newconn_cb, sip->gc); purple_debug_info("simple", "connecting to %s port %d\n", sip->realhostname, sip->realport); /* open tcp connection to the server */ if (purple_proxy_connect(sip->gc, sip->account, sip->realhostname, sip->realport, login_cb, sip->gc) == NULL) { purple_connection_error(sip->gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, srvresolved(GObject *sender, GAsyncResult *result, gpointer data) { struct simple_account_data *sip; targets = g_resolver_lookup_service_finish(G_RESOLVER(sender), purple_debug_info("simple", "srv lookup failed, continuing with configured settings : %s", if(!purple_account_get_bool(sip->account, "useproxy", FALSE)) { hostname = g_strdup(sip->servername); hostname = g_strdup(purple_account_get_string(sip->account, "proxy", sip->servername)); port = purple_account_get_int(sip->account, "port", 0); GSrvTarget *target = (GSrvTarget *)targets->data; hostname = g_strdup(g_srv_target_get_hostname(target)); port = g_srv_target_get_port(target); g_resolver_free_targets(targets); sip->realhostname = hostname; /* create socket for incoming connections */ sip->listen_data = purple_network_listen_range(5060, 5160, AF_UNSPEC, SOCK_STREAM, TRUE, simple_tcp_connect_listen_cb, sip); if (sip->listen_data == NULL) { purple_connection_error(sip->gc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, _("Unable to create listen socket")); GResolver *resolver = g_resolver_get_default(); purple_debug_info("simple", "using udp with server %s and port %d\n", hostname, port); g_resolver_lookup_by_name_async(resolver, simple_udp_host_resolved, g_object_unref(resolver); static void simple_login(PurpleAccount *account) struct simple_account_data *sip; const gchar *hosttoconnect; const char *username = purple_account_get_username(account); gc = purple_account_get_connection(account); purple_connection_set_flags(gc, PURPLE_CONNECTION_FLAG_NO_IMAGES); if (strpbrk(username, " \t\v\r\n") != NULL) { purple_connection_error(gc, PURPLE_CONNECTION_ERROR_INVALID_SETTINGS, _("SIP usernames may not contain whitespaces or @ symbols")); sip = g_new0(struct simple_account_data, 1); purple_connection_set_protocol_data(gc, sip); sip->registerexpire = 900; sip->udp = purple_account_get_bool(account, "udp", FALSE); /* TODO: is there a good default grow size? */ sip->txbuf = purple_circular_buffer_new(0); userserver = g_strsplit(username, "@", 2); if (userserver[1] == NULL || userserver[1][0] == '\0') { purple_connection_error(gc, PURPLE_CONNECTION_ERROR_INVALID_SETTINGS, _("SIP connect server not specified")); purple_connection_set_display_name(gc, userserver[0]); sip->username = g_strdup(userserver[0]); sip->servername = g_strdup(userserver[1]); sip->password = g_strdup(purple_connection_get_password(gc)); sip->buddies = g_hash_table_new((GHashFunc)simple_ht_hash_nick, (GEqualFunc)simple_ht_equals_nick); purple_connection_update_progress(gc, _("Connecting"), 1, 2); /* TODO: Set the status correctly. */ sip->status = g_strdup("available"); if(!purple_account_get_bool(account, "useproxy", FALSE)) { hosttoconnect = sip->servername; hosttoconnect = purple_account_get_string(account, "proxy", sip->servername); resolver = g_resolver_get_default(); g_resolver_lookup_service_async(resolver, sip->udp ? "udp" : "tcp", g_object_unref(resolver); static void simple_close(PurpleConnection *gc) struct simple_account_data *sip = purple_connection_get_protocol_data(gc); if (sip->registerstatus == SIMPLE_REGISTER_COMPLETE) g_hash_table_foreach(sip->buddies, (GHFunc)simple_unsubscribe, if (purple_account_get_bool(sip->account, "dopublish", TRUE)) send_closed_publish(sip); g_slist_free_full(sip->openconns, (GDestroyNotify)connection_destroy); purple_input_remove(sip->listenpa); purple_input_remove(sip->tx_handler); g_source_remove(sip->resendtimeout); if (sip->registertimeout) g_source_remove(sip->registertimeout); g_cancellable_cancel(sip->cancellable); g_object_unref(G_OBJECT(sip->cancellable)); if (sip->listen_data != NULL) purple_network_listen_cancel(sip->listen_data); g_free(sip->registrar.nonce); g_free(sip->registrar.opaque); g_free(sip->registrar.target); g_free(sip->registrar.realm); g_free(sip->registrar.digest_session_key); g_free(sip->proxy.nonce); g_free(sip->proxy.opaque); g_free(sip->proxy.target); g_free(sip->proxy.realm); g_free(sip->proxy.digest_session_key); g_hash_table_destroy(sip->buddies); g_slist_free_full(sip->transactions, (GDestroyNotify)transactions_destroy); g_slist_free_full(sip->watcher, (GDestroyNotify)watcher_destroy); g_free(sip->publish_etag); g_object_unref(G_OBJECT(sip->txbuf)); g_free(sip->realhostname); purple_connection_set_protocol_data(gc, NULL); simple_protocol_init(SIMPLEProtocol *self) PurpleProtocol *protocol = PURPLE_PROTOCOL(self); PurpleAccountUserSplit *split; PurpleAccountOption *option; protocol->id = "prpl-simple"; protocol->name = "SIMPLE"; split = purple_account_user_split_new(_("Server"), "", '@'); protocol->user_splits = g_list_append(protocol->user_splits, split); option = purple_account_option_bool_new(_("Publish status (note: everyone may watch you)"), "dopublish", TRUE); protocol->account_options = g_list_append(protocol->account_options, option); option = purple_account_option_int_new(_("Connect port"), "port", 0); protocol->account_options = g_list_append(protocol->account_options, option); option = purple_account_option_bool_new(_("Use UDP"), "udp", FALSE); protocol->account_options = g_list_append(protocol->account_options, option); option = purple_account_option_bool_new(_("Use proxy"), "useproxy", FALSE); protocol->account_options = g_list_append(protocol->account_options, option); option = purple_account_option_string_new(_("Proxy"), "proxy", ""); protocol->account_options = g_list_append(protocol->account_options, option); option = purple_account_option_string_new(_("Auth User"), "authuser", ""); protocol->account_options = g_list_append(protocol->account_options, option); option = purple_account_option_string_new(_("Auth Domain"), "authdomain", ""); protocol->account_options = g_list_append(protocol->account_options, option); simple_protocol_class_init(SIMPLEProtocolClass *klass) PurpleProtocolClass *protocol_class = PURPLE_PROTOCOL_CLASS(klass); protocol_class->login = simple_login; protocol_class->close = simple_close; protocol_class->status_types = simple_status_types; protocol_class->list_icon = simple_list_icon; simple_protocol_class_finalize(G_GNUC_UNUSED SIMPLEProtocolClass *klass) simple_protocol_server_iface_init(PurpleProtocolServerInterface *server_iface) server_iface->set_status = simple_set_status; server_iface->add_buddy = simple_add_buddy; server_iface->remove_buddy = simple_remove_buddy; server_iface->keepalive = simple_keep_alive; server_iface->send_raw = simple_send_raw; simple_protocol_im_iface_init(PurpleProtocolIMInterface *im_iface) im_iface->send = simple_im_send; im_iface->send_typing = simple_typing; G_DEFINE_DYNAMIC_TYPE_EXTENDED( SIMPLEProtocol, simple_protocol, PURPLE_TYPE_PROTOCOL, 0, G_IMPLEMENT_INTERFACE_DYNAMIC(PURPLE_TYPE_PROTOCOL_SERVER, simple_protocol_server_iface_init) G_IMPLEMENT_INTERFACE_DYNAMIC(PURPLE_TYPE_PROTOCOL_IM, simple_protocol_im_iface_init)); static PurplePluginInfo * plugin_query(GError **error) const gchar * const authors[] = { "Thomas Butter <butter@uni-mannheim.de>", return purple_plugin_info_new( "name", "SIMPLE Protocol", "version", DISPLAY_VERSION, "category", N_("Protocol"), "summary", N_("SIP/SIMPLE Protocol Plugin"), "description", N_("The SIP/SIMPLE Protocol Plugin"), "website", PURPLE_WEBSITE, "abi-version", PURPLE_ABI_VERSION, "flags", PURPLE_PLUGIN_INFO_FLAGS_INTERNAL | PURPLE_PLUGIN_INFO_FLAGS_AUTO_LOAD, plugin_load(PurplePlugin *plugin, GError **error) simple_protocol_register_type(G_TYPE_MODULE(plugin)); my_protocol = purple_protocols_add(SIMPLE_TYPE_PROTOCOL, error); purple_signal_connect(purple_get_core(), "uri-handler", plugin, PURPLE_CALLBACK(simple_uri_handler), NULL); plugin_unload(PurplePlugin *plugin, GError **error) purple_signal_disconnect(purple_get_core(), "uri-handler", plugin, PURPLE_CALLBACK(simple_uri_handler)); if (!purple_protocols_remove(my_protocol, error)) PURPLE_PLUGIN_INIT(simple, plugin_query, plugin_load, plugin_unload);