pidgin/pidgin

closing merged branch
port-changes-from-branch-2.x.y-to-default
15 months ago, Gary Kramlich
2f836435c33c
closing merged branch
/**
* purple
*
* 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
*/
#include "internal.h"
#include <purple.h>
#include "http.h"
#include "ntlm.h"
#include "simple.h"
#include "sipmsg.h"
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) {
return "simple";
}
static gint
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)) {
return 0;
} else {
return -1;
}
}
static gboolean
simple_uri_handler(const gchar *scheme, const gchar *screenname,
GHashTable *params)
{
GList *accounts;
GList *account_node;
PurpleIMConversation *im;
g_return_val_if_fail(screenname != NULL, FALSE);
if (!purple_strequal(scheme, "sip")) {
return FALSE;
}
if (screenname[0] == '\0') {
purple_debug_warning("simple",
"Invalid empty screenname in URI");
return FALSE;
}
/* 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) {
return FALSE;
}
im = purple_im_conversation_new(account_node->data, screenname);
purple_conversation_present(PURPLE_CONVERSATION(im));
return TRUE;
}
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 */
gchar buf[2] = {0, 0};
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)) {
send_open_publish(sip);
}
}
while(tmp) {
purple_debug_info("simple", "notifying %s\n", ((struct simple_watcher*)tmp->data)->name);
send_notify(sip, tmp->data);
tmp = tmp->next;
}
}
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))
return;
if (gc)
sip = purple_connection_get_protocol_data(gc);
if (sip)
{
g_free(sip->status);
if (primitive == PURPLE_STATUS_AVAILABLE)
sip->status = g_strdup("available");
else
sip->status = g_strdup("busy");
do_notifies(sip);
}
}
static struct sip_connection *connection_find(struct simple_account_data *sip, int fd) {
struct sip_connection *ret = NULL;
GSList *entry = sip->openconns;
while(entry) {
ret = entry->data;
if(ret->fd == fd) return ret;
entry = entry->next;
}
return NULL;
}
static struct simple_watcher *watcher_find(struct simple_account_data *sip,
const gchar *name) {
struct simple_watcher *watcher;
GSList *entry = sip->watcher;
while(entry) {
watcher = entry->data;
if(purple_strequal(name, watcher->name)) return watcher;
entry = entry->next;
}
return NULL;
}
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);
return watcher;
}
static void
watcher_destroy(struct simple_watcher *watcher)
{
g_free(watcher->name);
g_free(watcher->dialog.callid);
g_free(watcher->dialog.ourtag);
g_free(watcher->dialog.theirtag);
g_free(watcher);
}
static struct sip_connection *connection_create(struct simple_account_data *sip, int fd) {
struct sip_connection *ret = g_new0(struct sip_connection, 1);
ret->fd = fd;
sip->openconns = g_slist_append(sip->openconns, ret);
return ret;
}
static void
connection_destroy(struct sip_connection *conn)
{
if (conn->inputhandler) {
purple_input_remove(conn->inputhandler);
}
g_clear_pointer(&conn->inbuf, g_free);
g_free(conn);
}
static void
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);
struct simple_buddy *b;
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);
g_free(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);
} else {
purple_debug_info("simple", "buddy %s already in internal list\n", name);
}
}
static void simple_get_buddies(PurpleConnection *gc) {
GSList *buddies;
PurpleAccount *account;
purple_debug_info("simple", "simple_get_buddies\n");
account = purple_connection_get_account(gc);
buddies = purple_blist_find_buddies(account, NULL);
while (buddies) {
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);
g_free(b->name);
g_free(b);
}
static GList *simple_status_types(PurpleAccount *acc) {
PurpleStatusType *type;
GList *types = NULL;
type = purple_status_type_new_with_attrs(
PURPLE_STATUS_AVAILABLE, NULL, NULL, TRUE, TRUE, FALSE,
"message", _("Message"), purple_value_new(G_TYPE_STRING),
NULL);
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);
return types;
}
static gchar *auth_header(struct simple_account_data *sip,
struct sip_auth *auth, const gchar *method, const gchar *target) {
gchar noncecount[9];
gchar *response;
gchar *ret;
const char *authuser;
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);
g_free(response);
return ret;
} else if(auth->type == 2) { /* NTLM */
#ifdef HAVE_NETTLE
const gchar *authdomain;
gchar *tmp;
authdomain = purple_account_get_string(sip->account,
"authdomain", "");
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);
g_free(ret);
return tmp;
}
tmp = g_strdup_printf("NTLM qop=\"auth\", realm=\"%s\", targetname=\"%s\", gssapi-data=\"\"", auth->realm, auth->target);
return tmp;
#else
/* Used without support enabled */
g_return_val_if_reached(NULL);
#endif /* HAVE_NETTLE */
}
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);
g_free(response);
return ret;
}
static char *parse_attribute(const char *attrname, const char *source) {
const char *tmp, *tmp2;
char *retval = NULL;
int len = strlen(attrname);
/* we know that source is NULL-terminated.
* Therefore this loop won't be infinite.
*/
while (source[0] == ' ')
source++;
if(!strncmp(source, attrname, len)) {
tmp = source + len;
tmp2 = g_strstr_len(tmp, strlen(tmp), "\"");
if(tmp2)
retval = g_strndup(tmp, tmp2 - tmp);
else
retval = g_strdup(tmp);
}
return retval;
}
static void fill_auth(struct simple_account_data *sip, const gchar *hdr, struct sip_auth *auth) {
int i = 0;
const char *authuser;
char *tmp;
gchar **parts;
authuser = purple_account_get_string(sip->account, "authuser", sip->username);
if(!authuser || strlen(authuser) < 1) {
authuser = sip->username;
}
if(!hdr) {
purple_debug_error("simple", "fill_auth: hdr==NULL\n");
return;
}
if(!g_ascii_strncasecmp(hdr, "NTLM", 4)) {
#ifdef HAVE_NETTLE
purple_debug_info("simple", "found NTLM\n");
auth->type = 2;
parts = g_strsplit(hdr+5, "\",", 0);
i = 0;
while(parts[i]) {
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);
g_free(tmp);
}
if((tmp = parse_attribute("targetname=\"",
parts[i]))) {
auth->target = tmp;
}
else if((tmp = parse_attribute("realm=\"",
parts[i]))) {
auth->realm = tmp;
}
else if((tmp = parse_attribute("opaque=\"", parts[i]))) {
auth->opaque = tmp;
}
i++;
}
g_strfreev(parts);
auth->nc = 1;
if(!strstr(hdr, "gssapi-data")) {
auth->nc = 1;
} else {
auth->nc = 3;
}
return;
#else
purple_debug_error("simple", "NTLM auth unsupported without "
"libnettle support. Please rebuild with "
"libnettle support for this feature.\n");
#endif /* HAVE_NETTLE */
} else if(!g_ascii_strncasecmp(hdr, "DIGEST", 6)) {
purple_debug_info("simple", "found DIGEST\n");
auth->type = 1;
parts = g_strsplit(hdr+7, ",", 0);
while(parts[i]) {
if((tmp = parse_attribute("nonce=\"", parts[i]))) {
auth->nonce = tmp;
}
else if((tmp = parse_attribute("realm=\"", parts[i]))) {
auth->realm = tmp;
}
i++;
}
g_strfreev(parts);
purple_debug(PURPLE_DEBUG_MISC, "simple", "nonce: %s realm: %s\n",
auth->nonce ? auth->nonce : "(null)",
auth->realm ? auth->realm : "(null)");
if(auth->realm) {
auth->digest_session_key =
simple_http_digest_calculate_session_key(
authuser, auth->realm, sip->password,
auth->nonce);
auth->nc = 1;
}
} else {
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);
gsize max_write;
gssize written;
const gchar *output = NULL;
max_write = purple_circular_buffer_get_max_read(sip->txbuf);
if(max_write == 0) {
purple_input_remove(sip->tx_handler);
sip->tx_handler = 0;
return;
}
output = purple_circular_buffer_get_output(sip->txbuf);
written = write(sip->fd, output, max_write);
if(written < 0 && errno == EAGAIN)
written = 0;
else if (written <= 0) {
/*TODO: do we really want to disconnect on a failure to write?*/
gchar *tmp = g_strdup_printf(_("Lost connection with server: %s"),
g_strerror(errno));
purple_connection_error(gc,
PURPLE_CONNECTION_ERROR_NETWORK_ERROR, tmp);
g_free(tmp);
return;
}
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;
if(source < 0) {
gchar *tmp = g_strdup_printf(_("Unable to connect: %s"),
error_message);
purple_connection_error(gc,
PURPLE_CONNECTION_ERROR_NETWORK_ERROR, tmp);
g_free(tmp);
return;
}
sip = purple_connection_get_protocol_data(gc);
sip->fd = source;
sip->connecting = FALSE;
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,
simple_canwrite_cb, gc);
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);
if(!sip->connecting) {
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"));
}
sip->connecting = TRUE;
}
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(sip->udp) {
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");
}
} else {
int ret;
if(sip->fd < 0) {
sendlater(gc, buf);
return;
}
if(sip->tx_handler) {
ret = -1;
errno = EAGAIN;
} else
ret = write(sip->fd, buf, writelen);
if (ret < 0 && errno == EAGAIN)
ret = 0;
else if(ret <= 0) { /* XXX: When does this happen legitimately? */
sendlater(gc, buf);
return;
}
if (ret < writelen) {
if(!sip->tx_handler)
sip->tx_handler = purple_input_add(sip->fd,
PURPLE_INPUT_WRITE, simple_canwrite_cb,
gc);
/* XXX: is it OK to do this? You might get part of a request sent
with part of another. */
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,
writelen - ret);
}
}
}
static int simple_send_raw(PurpleConnection *gc, const char *buf, int len)
{
sendout_pkt(gc, buf);
return len;
}
static void sendout_sipmsg(struct simple_account_data *sip, struct sipmsg *msg) {
GSList *tmp = msg->headers;
gchar *name;
gchar *value;
GString *outstr = g_string_new("");
g_string_append_printf(outstr, "%s %s SIP/2.0\r\n", msg->method, msg->target);
while(tmp) {
name = ((struct siphdrelement*) (tmp->data))->name;
value = ((struct siphdrelement*) (tmp->data))->value;
g_string_append_printf(outstr, "%s: %s\r\n", name, value);
tmp = g_slist_next(tmp);
}
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;
gchar *name;
gchar *value;
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");
if(body) {
gchar len[12];
sprintf(len, "%" G_GSIZE_FORMAT , strlen(body));
sipmsg_add_header(msg, "Content-Length", len);
}
else
sipmsg_add_header(msg, "Content-Length", "0");
g_string_append_printf(outstr, "SIP/2.0 %d %s\r\n", code, text);
while(tmp) {
name = ((struct siphdrelement*) (tmp->data))->name;
value = ((struct siphdrelement*) (tmp->data))->value;
g_string_append_printf(outstr, "%s: %s\r\n", name, value);
tmp = g_slist_next(tmp);
}
g_string_append_printf(outstr, "\r\n%s", body ? body : "");
sendout_pkt(gc, outstr->str);
g_string_free(outstr, TRUE);
}
static void
transactions_destroy(struct transaction *trans)
{
if (trans->msg) {
sipmsg_free(trans->msg);
}
g_free(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");
if (cseq) {
while(transactions) {
trans = transactions->data;
if(purple_strequal(trans->cseq, cseq)) {
return trans;
}
transactions = transactions->next;
}
} else {
purple_debug(PURPLE_DEBUG_MISC, "simple", "Received message contains no CSeq header.\n");
}
return NULL;
}
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();
char *auth = NULL;
const char *addh = "";
gchar *branch = genbranch();
gchar *tag = NULL;
char *buf;
if(purple_strequal(method, "REGISTER")) {
if(sip->regcallid) {
g_free(callid);
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);
g_free(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);
g_free(buf);
purple_debug(PURPLE_DEBUG_MISC, "simple", "header %s", auth);
}
if (!dialog)
tag = gentag();
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"
"To: <%s>%s%s\r\n"
"Max-Forwards: 10\r\n"
"CSeq: %d %s\r\n"
"User-Agent: Purple/" VERSION "\r\n"
"Call-ID: %s\r\n"
"%s%s"
"Content-Length: %" G_GSIZE_FORMAT "\r\n\r\n%s",
method,
url,
sip->udp ? "UDP" : "TCP",
purple_network_get_my_ip(-1),
sip->listenport,
branch,
sip->username,
sip->servername,
dialog ? dialog->ourtag : tag,
to,
dialog ? ";tag=" : "",
dialog ? dialog->theirtag : "",
++sip->cseq,
method,
callid,
auth ? auth : "",
addh,
strlen(body),
body);
g_free(tag);
g_free(auth);
g_free(branch);
g_free(callid);
/* add to ongoing transactions */
transactions_add_buf(sip, buf, tc);
sendout_pkt(gc, buf);
g_free(buf);
}
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->listenport,
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);
g_free(contact);
sip->registerstatus = SIMPLE_REGISTER_SENT;
send_sip_request(sip->gc, "REGISTER", uri, to, hdr, "", NULL,
process_register_response);
g_free(hdr);
g_free(uri);
g_free(to);
}
static void do_register(struct simple_account_data *sip) {
do_register_exp(sip, sip->registerexpire);
}
static gchar *parse_from(const gchar *hdr) {
gchar *from;
const gchar *tmp, *tmp2 = hdr;
if(!hdr) return NULL;
purple_debug_info("simple", "parsing address out of %s\n", hdr);
tmp = strchr(hdr, '<');
/* i hate the different SIP UA behaviours... */
if(tmp) { /* sip address in <...> */
tmp2 = tmp + 1;
tmp = strchr(tmp2, '>');
if(tmp) {
from = g_strndup(tmp2, tmp - tmp2);
} else {
purple_debug_info("simple", "found < without > in From\n");
return NULL;
}
} else {
tmp = strchr(tmp2, ';');
if(tmp) {
from = g_strndup(tmp2, tmp - tmp2);
} else {
from = g_strdup(tmp2);
}
}
purple_debug_info("simple", "got %s\n", from);
return from;
}
static gchar *find_tag(const gchar *);
static gboolean process_subscribe_response(struct simple_account_data *sip, struct sipmsg *msg, struct transaction *tc) {
gchar *to = NULL;
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)) &&
!(b->dialog))
{
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",
ourtag);
purple_debug_info("simple", "theirtag: %s\n",
theirtag);
purple_debug_info("simple", "callid: %s\n",
callid);
g_free(theirtag);
g_free(ourtag);
}
}
else
{
purple_debug_info("simple", "cannot create dialog!\n");
}
return TRUE;
}
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);
g_free(to);
return TRUE;
}
static void simple_subscribe_exp(struct simple_account_data *sip, struct simple_buddy *buddy, int expiration) {
gchar *contact, *to, *tmp, *tmp2;
tmp2 = g_strdup_printf(
"Expires: %d\r\n"
"Accept: application/pidf+xml, application/xpidf+xml\r\n"
"Event: presence\r\n",
expiration);
if(strncmp(buddy->name, "sip:", 4))
to = g_strdup_printf("sip:%s", buddy->name);
else
to = g_strdup(buddy->name);
tmp = get_contact(sip);
contact = g_strdup_printf("%sContact: %s\r\n", tmp2, tmp);
g_free(tmp);
g_free(tmp2);
send_sip_request(sip->gc, "SUBSCRIBE", to, to, contact,"",buddy->dialog,
(expiration > 0) ? process_subscribe_response : NULL);
g_free(to);
g_free(contact);
/* resubscribe before subscription expires */
/* add some jitter */
if (expiration > 60)
buddy->resubscribe = time(NULL) + (expiration - 60) + (g_random_int_range(0, 50));
else if (expiration > 0)
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) {
if (buddy->dialog)
{
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) {
const gchar *tmp;
PurpleXmlNode *item, *group, *isc;
const char *name_group;
PurpleBuddy *b;
PurpleGroup *g = NULL;
struct simple_buddy *bs;
int len = msg->bodylen;
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);
if(!g)
g = purple_group_new(name_group);
}
if (!g)
g = purple_blist_get_default_group();
for(item = purple_xmlnode_get_child(isc, "contact"); item; item = purple_xmlnode_get_next_twin(item))
{
const char *uri;
char *buddy_name;
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);
if(!b){
b = purple_buddy_new(sip->account, buddy_name, uri);
}
g_free(buddy_name);
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);
}
return 0;
}
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";
gchar *to;
gchar *tmp;
to = g_strdup_printf("sip:%s@%s", sip->username, sip->servername);
tmp = get_contact(sip);
contact = g_strdup_printf("%sContact: %s\r\n", contact, tmp);
g_free(tmp);
send_sip_request(sip->gc, "SUBSCRIBE", to, to, contact, "", NULL, simple_add_lcs_contacts);
g_free(to);
g_free(contact);
}
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);
while(tmp) {
struct transaction *trans = tmp->data;
tmp = tmp->next;
purple_debug_info("simple", "have open transaction age: %lu\n", currtime- trans->time);
if((currtime - trans->time > 5) && trans->retries >= 1) {
/* TODO 408 */
} else {
if((currtime - trans->time > 2) && trans->retries == 0) {
trans->retries++;
sendout_sipmsg(sip, trans->msg);
}
}
}
return TRUE;
}
static gboolean subscribe_timeout(struct simple_account_data *sip) {
GSList *tmp;
time_t curtime = time(NULL);
/* register again if first registration expires */
if(sip->reregister < curtime) {
do_register(sip);
}
/* 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");
send_open_publish(sip);
}
/* 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 */
tmp = sip->watcher;
while(tmp) {
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);
}
tmp = next;
}
return TRUE;
}
static void simple_send_message(struct simple_account_data *sip, const char *to, const char *msg, const char *type) {
gchar *hdr;
gchar *fullto;
if(strncmp(to, "sip:", 4))
fullto = g_strdup_printf("sip:%s", to);
else
fullto = g_strdup(to);
if(type) {
hdr = g_strdup_printf("Content-Type: %s\r\n", type);
} else {
hdr = g_strdup("Content-Type: text/plain\r\n");
}
send_sip_request(sip->gc, "MESSAGE", fullto, fullto, hdr, msg, NULL, NULL);
g_free(hdr);
g_free(fullto);
}
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);
g_free(to);
g_free(text);
return 1;
}
static void process_incoming_message(struct simple_account_data *sip, struct sipmsg *msg) {
gchar *from;
const gchar *contenttype;
gboolean found = FALSE;
from = parse_from(sipmsg_find_header(msg, "From"));
if(!from) return;
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);
found = TRUE;
}
else if(!strncmp(contenttype, "application/im-iscomposing+xml", 30)) {
PurpleXmlNode *isc = purple_xmlnode_from_str(msg->body, msg->bodylen);
PurpleXmlNode *state;
gchar *statedata;
if(!isc) {
purple_debug_info("simple", "process_incoming_message: can not parse iscomposing\n");
g_free(from);
return;
}
state = purple_xmlnode_get_child(isc, "state");
if(!state) {
purple_debug_info("simple", "process_incoming_message: no state found\n");
purple_xmlnode_free(isc);
g_free(from);
return;
}
statedata = purple_xmlnode_get_data(state);
if(statedata) {
if(strstr(statedata, "active"))
purple_serv_got_typing(sip->gc, from, 0, PURPLE_IM_TYPING);
else
purple_serv_got_typing_stopped(sip->gc, from);
g_free(statedata);
}
purple_xmlnode_free(isc);
send_sip_response(sip->gc, msg, 200, "OK", NULL);
found = TRUE;
}
if(!found) {
purple_debug_info("simple", "got unknown mime-type\n");
send_sip_response(sip->gc, msg, 415, "Unsupported media type", NULL);
}
g_free(from);
}
gboolean process_register_response(struct simple_account_data *sip, struct sipmsg *msg, struct transaction *tc) {
const gchar *tmp;
purple_debug(PURPLE_DEBUG_MISC, "simple", "in process register response response: %d\n", msg->response);
switch (msg->response) {
case 200:
if(sip->registerstatus < SIMPLE_REGISTER_COMPLETE) { /* registered */
if(purple_account_get_bool(sip->account, "dopublish", TRUE)) {
send_open_publish(sip);
}
}
sip->registerstatus = SIMPLE_REGISTER_COMPLETE;
purple_connection_set_state(sip->gc, PURPLE_CONNECTION_CONNECTED);
/* get buddies from blist */
simple_get_buddies(sip->gc);
subscribe_timeout(sip);
tmp = sipmsg_find_header(msg, "Allow-Events");
if(tmp && strstr(tmp, "vnd-microsoft-provisioning")){
simple_subscribe_buddylist(sip);
}
break;
case 401:
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"));
return TRUE;
}
tmp = sipmsg_find_header(msg, "WWW-Authenticate");
fill_auth(sip, tmp, &sip->registrar);
sip->registerstatus = SIMPLE_REGISTER_RETRY;
do_register(sip);
}
break;
default:
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"));
return TRUE;
}
sip->registerstatus = SIMPLE_REGISTER_RETRY;
do_register(sip);
}
break;
}
return TRUE;
}
static gboolean dialog_match(struct sip_dialog *dialog, struct sipmsg *msg)
{
const gchar *fromhdr;
const gchar *tohdr;
const gchar *callid;
gchar *ourtag, *theirtag;
gboolean match = FALSE;
fromhdr = sipmsg_find_header(msg, "From");
tohdr = sipmsg_find_header(msg, "To");
callid = sipmsg_find_header(msg, "Call-ID");
if (!fromhdr || !tohdr || !callid)
return FALSE;
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))
match = TRUE;
g_free(ourtag);
g_free(theirtag);
return match;
}
static void process_incoming_notify(struct simple_account_data *sip, struct sipmsg *msg) {
gchar *from;
const gchar *fromhdr;
gchar *basicstatus_data;
PurpleXmlNode *pidf;
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);
if(!from) return;
b = g_hash_table_lookup(sip->buddies, from);
if (!b)
{
g_free(from);
purple_debug_info("simple", "Could not find the buddy.\n");
return;
}
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");
g_free(from);
return;
}
pidf = purple_xmlnode_from_str(msg->body, msg->bodylen);
if(!pidf) {
purple_debug_info("simple", "process_incoming_notify: no parseable pidf\n");
sshdr = sipmsg_find_header(msg, "Subscription-State");
if (sshdr)
{
int i = 0;
gchar **ssparts = g_strsplit(sshdr, ":", 0);
while (ssparts[i])
{
g_strchug(ssparts[i]);
if (g_str_has_prefix(ssparts[i], "terminated")) {
purple_debug_info("simple", "Subscription expired!");
if (b->dialog)
{
g_free(b->dialog->ourtag);
g_free(b->dialog->theirtag);
g_free(b->dialog->callid);
g_free(b->dialog);
b->dialog = NULL;
}
purple_protocol_got_user_status(sip->account, from, "offline", NULL);
break;
}
i++;
}
g_strfreev(ssparts);
}
send_sip_response(sip->gc, msg, 200, "OK", NULL);
g_free(from);
return;
}
if ((tuple = purple_xmlnode_get_child(pidf, "tuple")))
if ((status = purple_xmlnode_get_child(tuple, "status")))
basicstatus = purple_xmlnode_get_child(status, "basic");
if(!basicstatus) {
purple_debug_info("simple", "process_incoming_notify: no basic found\n");
purple_xmlnode_free(pidf);
g_free(from);
return;
}
basicstatus_data = purple_xmlnode_get_data(basicstatus);
if(!basicstatus_data) {
purple_debug_info("simple", "process_incoming_notify: no basic data found\n");
purple_xmlnode_free(pidf);
g_free(from);
return;
}
if(strstr(basicstatus_data, "open"))
isonline = TRUE;
if(isonline)
purple_protocol_got_user_status(sip->account, from, "available", NULL);
else
purple_protocol_got_user_status(sip->account, from, "offline", NULL);
purple_xmlnode_free(pidf);
g_free(from);
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"
"<state>%s</state>\n"
"<contenttype>text/plain</contenttype>\n"
"<refresh>60</refresh>\n"
"</isComposing>";
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");
g_free(msg);
} 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");
g_free(msg);
}
g_free(recv);
/*
* 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,
* then return 0 instead.
*/
return 1;
}
static gchar *find_tag(const gchar *hdr) {
const gchar *tmp = strstr(hdr, ";tag="), *tmp2;
if(!tmp) return NULL;
tmp += 5;
if((tmp2 = strchr(tmp, ';'))) {
return g_strndup(tmp, tmp2 - tmp);
}
return g_strdup(tmp);
}
static gchar* gen_xpidf(struct simple_account_data *sip) {
gchar *doc = g_strdup_printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<presence>\n"
"<presentity uri=\"sip:%s@%s;method=SUBSCRIBE\"/>\n"
"<display name=\"sip:%s@%s\"/>\n"
"<atom id=\"1234\">\n"
"<address uri=\"sip:%s@%s\">\n"
"<status status=\"%s\"/>\n"
"</address>\n"
"</atom>\n"
"</presence>\n",
sip->username,
sip->servername,
sip->username,
sip->servername,
sip->username,
sip->servername,
sip->status);
return doc;
}
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"
"<status>\n"
"<basic>%s</basic>\n"
"</status>\n"
"<note>%s</note>\n"
"</tuple>\n"
"</presence>",
sip->username,
sip->servername,
(open == TRUE) ? "open" : "closed",
(open == TRUE) ? sip->status : "");
return doc;
}
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);
g_free(doc);
}
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) {
/* never send again */
sip->republish = -1;
}
etag = sipmsg_find_header(msg, "SIP-Etag");
if (etag) {
/* we must store the etag somewhere. */
g_free(sip->publish_etag);
sip->publish_etag = g_strdup(etag);
}
return TRUE;
}
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,
"Event: presence\r\n"
"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;
g_free(uri);
g_free(doc);
g_free(add_headers);
}
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" : "",
"Expires: 600\r\n"
"Event: presence\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;*/
g_free(uri);
g_free(doc);
g_free(add_headers);
}
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");
gchar *tmp;
struct simple_watcher *watcher = watcher_find(sip, from);
if(!ourtag) {
tagadded = TRUE;
ourtag = gentag();
}
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);
goto privend;
}
if(acceptheader) {
const gchar *tmp = acceptheader;
gboolean foundpidf = FALSE;
gboolean foundxpidf = FALSE;
while(tmp && tmp < acceptheader + strlen(acceptheader)) {
gchar *tmp2 = strchr(tmp, ',');
if(tmp2) *tmp2 = '\0';
if(!g_ascii_strcasecmp("application/pidf+xml", tmp))
foundpidf = TRUE;
if(!g_ascii_strcasecmp("application/xpidf+xml", tmp))
foundxpidf = TRUE;
if(tmp2) {
*tmp2 = ',';
tmp = tmp2 + 1;
while(*tmp == ' ') tmp++;
} else
tmp = NULL;
}
if(!foundpidf && foundxpidf) needsxpidf = TRUE;
}
watcher = watcher_create(sip, from, callid, ourtag, theirtag, needsxpidf);
}
if(tagadded) {
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);
g_free(to);
}
if(expire)
watcher->expire = time(NULL) + strtol(expire, NULL, 10);
else
watcher->expire = time(NULL) + 600;
sipmsg_remove_header(msg, "Contact");
tmp = get_contact(sip);
sipmsg_add_header(msg, "Contact", tmp);
g_free(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);
privend:
g_free(from);
g_free(theirtag);
g_free(ourtag);
}
static void process_input_message(struct simple_account_data *sip, struct sipmsg *msg) {
gboolean found = FALSE;
if(msg->response == 0) { /* request */
if(purple_strequal(msg->method, "MESSAGE")) {
process_incoming_message(sip, msg);
found = TRUE;
} else if(purple_strequal(msg->method, "NOTIFY")) {
process_incoming_notify(sip, msg);
found = TRUE;
} else if(purple_strequal(msg->method, "SUBSCRIBE")) {
process_incoming_subscribe(sip, msg);
found = TRUE;
} else {
send_sip_response(sip->gc, msg, 501, "Not implemented", NULL);
}
} else { /* response */
struct transaction *trans = transactions_find(sip, msg);
if(trans) {
if(msg->response == 407) {
gchar *resend, *auth;
const gchar *ptmp;
if(sip->proxy.retries > 3) return;
sip->proxy.retries++;
/* 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);
g_free(auth);
resend = sipmsg_to_string(trans->msg);
/* resend request */
sendout_pkt(sip->gc, resend);
g_free(resend);
} else {
if(msg->response == 100) {
/* ignore provisional response */
purple_debug_info("simple", "got trying response\n");
} else {
sip->proxy.retries = 0;
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++;
}
else {
/* accepted! */
sip->registrar.retries = 0;
}
} else {
if(msg->response == 401) {
/* This is encountered when a generic (MESSAGE, NOTIFY, etc)
* was denied until further authorization is provided.
*/
gchar *resend, *auth;
const gchar *ptmp;
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);
g_free(auth);
resend = sipmsg_to_string(trans->msg);
/* resend request */
sendout_pkt(sip->gc, resend);
g_free(resend);
} else {
/* Reset any count of retries that may have
* accumulated in the above branch.
*/
sip->registrar.retries = 0;
}
}
if(trans->callback) {
/* call the callback to process response*/
(trans->callback)(sip, msg, trans);
}
sip->transactions =
g_slist_remove(sip->transactions, trans);
transactions_destroy(trans);
}
}
found = TRUE;
} else {
purple_debug(PURPLE_DEBUG_MISC, "simple", "received response to unknown transaction");
}
}
if(!found) {
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)
{
char *cur;
char *dummy;
struct sipmsg *msg;
int restlen;
cur = conn->inbuf;
/* according to the RFC remove CRLF at the beginning */
while(*cur == '\r' || *cur == '\n') {
cur++;
}
if(cur != conn->inbuf) {
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);
cur += 2;
cur[0] = '\0';
purple_debug_info("simple", "\n\nreceived - %s\n######\n%s\n#######\n\n", ctime(&currtime), conn->inbuf);
msg = sipmsg_parse_header(conn->inbuf);
if(!msg) {
/* 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);
return;
}
cur[0] = '\r';
cur += 2;
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';
msg->body = dummy;
cur += msg->bodylen;
memmove(conn->inbuf, cur, conn->inbuflen - (cur - conn->inbuf));
conn->inbufused = strlen(conn->inbuf);
} else {
sipmsg_free(msg);
return;
}
purple_debug(PURPLE_DEBUG_MISC, "simple", "in process response response: %d\n", msg->response);
process_input_message(sip, msg);
sipmsg_free(msg);
} else {
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);
struct sipmsg *msg;
int len;
time_t currtime = time(NULL);
static char buffer[65536];
if((len = recv(source, buffer, sizeof(buffer) - 1, 0)) > 0) {
buffer[len] = '\0';
purple_debug_info("simple", "\n\nreceived - %s\n######\n%s\n#######\n\n", ctime(&currtime), buffer);
msg = sipmsg_parse_msg(buffer);
if (msg) {
process_input_message(sip, msg);
sipmsg_free(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);
int len;
struct sip_connection *conn = connection_find(sip, source);
if(!conn) {
purple_debug_error("simple", "Connection not found!\n");
return;
}
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)
return;
else if(len <= 0) {
purple_debug_info("simple", "simple_input_cb: read error\n");
connection_remove(sip, source);
if(sip->fd == source) sip->fd = -1;
return;
}
purple_connection_update_last_received(gc);
conn->inbufused += len;
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;
int newfd;
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;
if(source < 0) {
gchar *tmp = g_strdup_printf(_("Unable to connect: %s"),
error_message);
purple_connection_error(gc,
PURPLE_CONNECTION_ERROR_NETWORK_ERROR, tmp);
g_free(tmp);
return;
}
sip = purple_connection_get_protocol_data(gc);
sip->fd = source;
conn = connection_create(sip, source);
sip->registertimeout = g_timeout_add(g_random_int_range(10000, 100000), (GSourceFunc)subscribe_timeout, sip);
do_register(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);
g_free(lc);
return bucket;
}
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;
sip->listen_data = NULL;
if(listenfd == -1) {
purple_connection_error(sip->gc,
PURPLE_CONNECTION_ERROR_NETWORK_ERROR,
_("Unable to create listen socket"));
return;
}
/*
* 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->fd = listenfd;
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);
do_register(sip);
}
static void
simple_udp_host_resolved(GObject *sender, GAsyncResult *result, gpointer data) {
GError *error = NULL;
GList *addresses = NULL;
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),
result, &error);
if(error) {
gchar *msg = g_strdup_printf(_("Unable to resolve hostname : %s"),
error->message);
purple_connection_error(sip->gc,
PURPLE_CONNECTION_ERROR_NETWORK_ERROR,
msg
);
g_error_free(error);
return;
}
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,
&(sip->serveraddr),
g_socket_address_get_native_size(socket_address),
NULL);
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"));
return;
}
}
static void
simple_tcp_connect_listen_cb(int listenfd, gpointer data) {
struct simple_account_data *sip = (struct simple_account_data*) data;
sip->listen_data = NULL;
sip->listenfd = listenfd;
if(sip->listenfd == -1) {
purple_connection_error(sip->gc,
PURPLE_CONNECTION_ERROR_NETWORK_ERROR,
_("Unable to create listen socket"));
return;
}
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,
_("Unable to connect"));
}
}
static void
srvresolved(GObject *sender, GAsyncResult *result, gpointer data) {
GError *error = NULL;
GList *targets = NULL;
struct simple_account_data *sip;
gchar *hostname;
int port;
sip = data;
targets = g_resolver_lookup_service_finish(G_RESOLVER(sender),
result, &error);
if(error) {
purple_debug_info("simple",
"srv lookup failed, continuing with configured settings : %s",
error->message);
g_error_free(error);
if(!purple_account_get_bool(sip->account, "useproxy", FALSE)) {
hostname = g_strdup(sip->servername);
} else {
hostname = g_strdup(purple_account_get_string(sip->account, "proxy", sip->servername));
}
port = purple_account_get_int(sip->account, "port", 0);
} else {
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;
sip->realport = port;
if(!sip->realport)
sip->realport = 5060;
/* TCP case */
if(!sip->udp) {
/* 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"));
return;
}
} else { /* UDP */
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,
sip->realhostname,
sip->cancellable,
simple_udp_host_resolved,
sip);
g_object_unref(resolver);
}
}
static void simple_login(PurpleAccount *account)
{
PurpleConnection *gc;
struct simple_account_data *sip;
gchar **userserver;
const gchar *hosttoconnect;
const char *username = purple_account_get_username(account);
GResolver *resolver;
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"));
return;
}
sip = g_new0(struct simple_account_data, 1);
purple_connection_set_protocol_data(gc, sip);
sip->gc = gc;
sip->fd = -1;
sip->listenfd = -1;
sip->account = account;
sip->registerexpire = 900;
sip->udp = purple_account_get_bool(account, "udp", FALSE);
/* TODO: is there a good default grow size? */
if(!sip->udp)
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"));
g_strfreev(userserver);
return;
}
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));
g_strfreev(userserver);
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;
} else {
hosttoconnect = purple_account_get_string(account, "proxy", sip->servername);
}
resolver = g_resolver_get_default();
g_resolver_lookup_service_async(resolver,
"sip",
sip->udp ? "udp" : "tcp",
hosttoconnect,
sip->cancellable,
srvresolved,
sip);
g_object_unref(resolver);
}
static void simple_close(PurpleConnection *gc)
{
struct simple_account_data *sip = purple_connection_get_protocol_data(gc);
if (!sip)
return;
/* unregister */
if (sip->registerstatus == SIMPLE_REGISTER_COMPLETE)
{
g_hash_table_foreach(sip->buddies,
(GHFunc)simple_unsubscribe,
(gpointer)sip);
if (purple_account_get_bool(sip->account, "dopublish", TRUE))
send_closed_publish(sip);
do_register_exp(sip, 0);
}
g_slist_free_full(sip->openconns, (GDestroyNotify)connection_destroy);
if (sip->listenpa)
purple_input_remove(sip->listenpa);
if (sip->tx_handler)
purple_input_remove(sip->tx_handler);
if (sip->resendtimeout)
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);
if (sip->fd >= 0)
close(sip->fd);
if (sip->listenfd >= 0)
close(sip->listenfd);
g_free(sip->servername);
g_free(sip->username);
g_free(sip->password);
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_free(sip->status);
g_hash_table_destroy(sip->buddies);
g_free(sip->regcallid);
g_slist_free_full(sip->transactions, (GDestroyNotify)transactions_destroy);
g_slist_free_full(sip->watcher, (GDestroyNotify)watcher_destroy);
g_free(sip->publish_etag);
if (sip->txbuf)
g_object_unref(G_OBJECT(sip->txbuf));
g_free(sip->realhostname);
g_free(sip);
purple_connection_set_protocol_data(gc, NULL);
}
static void
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);
}
static void
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;
}
static void
simple_protocol_class_finalize(G_GNUC_UNUSED SIMPLEProtocolClass *klass)
{
}
static void
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;
}
static void
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>",
NULL
};
return purple_plugin_info_new(
"id", "prpl-simple",
"name", "SIMPLE Protocol",
"version", DISPLAY_VERSION,
"category", N_("Protocol"),
"summary", N_("SIP/SIMPLE Protocol Plugin"),
"description", N_("The SIP/SIMPLE Protocol Plugin"),
"authors", authors,
"website", PURPLE_WEBSITE,
"abi-version", PURPLE_ABI_VERSION,
"flags", PURPLE_PLUGIN_INFO_FLAGS_INTERNAL |
PURPLE_PLUGIN_INFO_FLAGS_AUTO_LOAD,
NULL
);
}
static gboolean
plugin_load(PurplePlugin *plugin, GError **error)
{
simple_protocol_register_type(G_TYPE_MODULE(plugin));
my_protocol = purple_protocols_add(SIMPLE_TYPE_PROTOCOL, error);
if (!my_protocol)
return FALSE;
purple_signal_connect(purple_get_core(), "uri-handler", plugin,
PURPLE_CALLBACK(simple_uri_handler), NULL);
return TRUE;
}
static gboolean
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))
return FALSE;
return TRUE;
}
PURPLE_PLUGIN_INIT(simple, plugin_query, plugin_load, plugin_unload);