/**
* Creates the parameter structure for the Read callback
* @param[in] params This stanza is the params element in the XML-RPC format
* @return The structure or null if an error were found.
*/
static sdvp_ReadParam_t* _CreateReadParam (xmpp_stanza_t * params) {
const int expectedParams = 1;
sdvp_ReadParam_t* rv = NULL;
int i = 0;
bool elementNotFund = false;
xmpp_stanza_t *structure = NULL, *member = NULL, *value = NULL,
*type = NULL, *name = NULL;
char *text, *textname;
structure = _GetRpcStructureElementFromParams(params);
if (structure == NULL ) {
return NULL ;
}
rv = _InitiateReadParameters();
for (member = xmpp_stanza_get_children(structure);
member && !elementNotFund && (i < expectedParams); member =
xmpp_stanza_get_next(member)) {
if (xmpp_stanza_get_name(member)
&& strcmp(xmpp_stanza_get_name(member), "member") == 0) {
if (!(name = xmpp_stanza_get_child_by_name(member, "name"))) {
_FreeReadParameters(rv);
// TODO: Signal error back
return NULL ;
}
name = xmpp_stanza_get_children(name);
textname = xmpp_stanza_get_text(name);
if (strcmp(textname, "VariableAccessSpecification") == 0) {
if (!(value = xmpp_stanza_get_child_by_name(member, "value"))) {
_FreeReadParameters(rv);
// TODO: Signal error back
free(textname);
return NULL ;
}
if ((type = xmpp_stanza_get_child_by_name(value, "string"))) {
if (xmpp_stanza_get_children(type)) {
text = xmpp_stanza_get_text(type);
rv->reference = text;
} else {
rv->reference = NULL;
}
} else {
elementNotFund = true;
}
} else {
// if (!type) {
// _FreeReadParameters(rv);
// return NULL ;
// }
}
free(textname);
}
}
return rv;
}
gboolean
stanza_is_muc_self_presence(xmpp_stanza_t * const stanza,
const char * const self_jid)
{
if (stanza == NULL) {
return FALSE;
}
if (strcmp(xmpp_stanza_get_name(stanza), STANZA_NAME_PRESENCE) != 0) {
return FALSE;
}
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_X);
if (x == NULL) {
return FALSE;
}
char *ns = xmpp_stanza_get_ns(x);
if (ns == NULL) {
return FALSE;
}
if (strcmp(ns, STANZA_NS_MUC_USER) != 0) {
return FALSE;
}
xmpp_stanza_t *x_children = xmpp_stanza_get_children(x);
if (x_children == NULL) {
return FALSE;
}
while (x_children != NULL) {
if (strcmp(xmpp_stanza_get_name(x_children), STANZA_NAME_STATUS) == 0) {
char *code = xmpp_stanza_get_attribute(x_children, STANZA_ATTR_CODE);
if (strcmp(code, "110") == 0) {
return TRUE;
}
}
x_children = xmpp_stanza_get_next(x_children);
}
// for older server that don't send status 110
x_children = xmpp_stanza_get_children(x);
while (x_children != NULL) {
if (strcmp(xmpp_stanza_get_name(x_children), STANZA_NAME_ITEM) == 0) {
char *jid = xmpp_stanza_get_attribute(x_children, STANZA_ATTR_JID);
if (jid != NULL) {
if (g_str_has_prefix(jid, self_jid)) {
return TRUE;
}
}
}
x_children = xmpp_stanza_get_next(x_children);
}
return FALSE;
}
int
blocked_set_handler(xmpp_stanza_t *stanza)
{
xmpp_stanza_t *block = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BLOCK);
if (block) {
xmpp_stanza_t *child = xmpp_stanza_get_children(block);
while (child) {
if (g_strcmp0(xmpp_stanza_get_name(child), STANZA_NAME_ITEM) == 0) {
const char *jid = xmpp_stanza_get_attribute(child, STANZA_ATTR_JID);
if (jid) {
blocked = g_list_append(blocked, strdup(jid));
autocomplete_add(blocked_ac, jid);
}
}
child = xmpp_stanza_get_next(child);
}
}
xmpp_stanza_t *unblock = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_UNBLOCK);
if (unblock) {
xmpp_stanza_t *child = xmpp_stanza_get_children(unblock);
if (!child) {
g_list_free_full(blocked, free);
blocked = NULL;
autocomplete_clear(blocked_ac);
} else {
while (child) {
if (g_strcmp0(xmpp_stanza_get_name(child), STANZA_NAME_ITEM) == 0) {
const char *jid = xmpp_stanza_get_attribute(child, STANZA_ATTR_JID);
if (jid) {
GList *found = g_list_find_custom(blocked, jid, (GCompareFunc)g_strcmp0);
if (found) {
blocked = g_list_remove_link(blocked, found);
g_list_free_full(found, free);
autocomplete_remove(blocked_ac, jid);
}
}
}
child = xmpp_stanza_get_next(child);
}
}
}
return 1;
}
static int _handle_legacy(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *type, *name;
/* delete missing handler */
xmpp_timed_handler_delete(conn, _handle_missing_legacy);
/* server responded to legacy auth request */
type = xmpp_stanza_get_type(stanza);
name = xmpp_stanza_get_name(stanza);
if (!type || strcmp(name, "iq") != 0) {
xmpp_error(conn->ctx, "xmpp", "Server sent us an unexpected response "\
"to legacy authentication request.");
xmpp_disconnect(conn);
} else if (strcmp(type, "error") == 0) {
/* legacy client auth failed, no more fallbacks */
xmpp_error(conn->ctx, "xmpp", "Legacy client authentication failed.");
xmpp_disconnect(conn);
} else if (strcmp(type, "result") == 0) {
/* auth succeeded */
xmpp_debug(conn->ctx, "xmpp", "Legacy auth succeeded.");
conn->authenticated = 1;
conn->conn_handler(conn, XMPP_CONN_CONNECT, 0, NULL, conn->userdata);
} else {
xmpp_error(conn->ctx, "xmpp", "Server sent us a legacy authentication "\
"response with a bad type.");
xmpp_disconnect(conn);
}
return 0;
}
void
_receipt_request_handler(xmpp_stanza_t *const stanza)
{
if (!prefs_get_boolean(PREF_RECEIPTS_SEND)) {
return;
}
char *id = xmpp_stanza_get_id(stanza);
if (!id) {
return;
}
xmpp_stanza_t *receipts = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_RECEIPTS);
if (!receipts) {
return;
}
char *receipts_name = xmpp_stanza_get_name(receipts);
if (g_strcmp0(receipts_name, "request") != 0) {
return;
}
gchar *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
Jid *jid = jid_create(from);
_message_send_receipt(jid->fulljid, id);
jid_destroy(jid);
}
static int
_receipt_received_handler(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata)
{
xmpp_stanza_t *receipt = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_RECEIPTS);
char *name = xmpp_stanza_get_name(receipt);
if (g_strcmp0(name, "received") != 0) {
return 1;
}
char *id = xmpp_stanza_get_attribute(receipt, STANZA_ATTR_ID);
if (!id) {
return 1;
}
char *fulljid = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
if (!fulljid) {
return 1;
}
Jid *jidp = jid_create(fulljid);
sv_ev_message_receipt(jidp->barejid, id);
jid_destroy(jidp);
return 1;
}
static int _handle_sasl_result(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *name;
name = xmpp_stanza_get_name(stanza);
/* the server should send a <success> or <failure> stanza */
if (strcmp(name, "failure") == 0) {
xmpp_debug(conn->ctx, "xmpp", "SASL %s auth failed",
(char *)userdata);
/* fall back to next auth method */
_auth(conn);
} else if (strcmp(name, "success") == 0) {
/* SASL PLAIN auth successful, we need to restart the stream */
xmpp_debug(conn->ctx, "xmpp", "SASL %s auth successful",
(char *)userdata);
/* reset parser */
conn_prepare_reset(conn, _handle_open_sasl);
/* send stream tag */
conn_open_stream(conn);
} else {
/* got unexpected reply */
xmpp_error(conn->ctx, "xmpp", "Got unexpected reply to SASL %s"\
"authentication.", (char *)userdata);
xmpp_disconnect(conn);
}
return 0;
}
/* handle the rspauth phase of digest auth */
static int _handle_digestmd5_rspauth(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_stanza_t *auth;
char *name;
name = xmpp_stanza_get_name(stanza);
xmpp_debug(conn->ctx, "xmpp",
"handle digest-md5 (rspauth) called for %s", name);
if (strcmp(name, "challenge") == 0) {
/* assume it's an rspauth response */
auth = xmpp_stanza_new(conn->ctx);
if (!auth) {
disconnect_mem_error(conn);
return 0;
}
xmpp_stanza_set_name(auth, "response");
xmpp_stanza_set_ns(auth, XMPP_NS_SASL);
xmpp_send(conn, auth);
xmpp_stanza_release(auth);
} else {
return _handle_sasl_result(conn, stanza, "DIGEST-MD5");
}
return 1;
}
static gboolean
_is_valid_form_element(xmpp_stanza_t *stanza)
{
const char *name = xmpp_stanza_get_name(stanza);
if (g_strcmp0(name, STANZA_NAME_X) != 0) {
log_error("Error parsing form, root element not <x/>.");
return FALSE;
}
const char *ns = xmpp_stanza_get_ns(stanza);
if (g_strcmp0(ns, STANZA_NS_DATA) != 0) {
log_error("Error parsing form, namespace not %s.", STANZA_NS_DATA);
return FALSE;
}
const char *type = xmpp_stanza_get_type(stanza);
if ((g_strcmp0(type, "form") != 0) &&
(g_strcmp0(type, "submit") != 0) &&
(g_strcmp0(type, "cancel") != 0) &&
(g_strcmp0(type, "result") != 0)) {
log_error("Error parsing form, unknown type.");
return FALSE;
}
return TRUE;
}
static int command_handler(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_stanza_t *reply = NULL, *req = NULL;
char *cmd = NULL;
/* Figure out what the command is */
req = xmpp_stanza_get_child_by_name(stanza, "command");
assert(req);
assert(strcmp(xmpp_stanza_get_name(req), "command") == 0);
cmd = xmpp_stanza_get_attribute(req, "node");
assert(cmd);
CONFLATE_LOG(((conflate_handle_t *)userdata), LOG_LVL_INFO,
"Command: %s", cmd);
reply = command_dispatch(conn, stanza, userdata, cmd, req, true);
if (reply) {
xmpp_send(conn, reply);
xmpp_stanza_release(reply);
}
return 1;
}
/** Add <body/> child element to a <message/> stanza with the given text.
*
* @param msg a <message> stanza object without <body/> child element.
*
* @return 0 on success (XMPP_EOK), and a number less than 0 on failure
* (XMPP_EMEM, XMPP_EINVOP)
*
* @ingroup Stanza
*/
int xmpp_message_set_body(xmpp_stanza_t *msg, const char * const text)
{
xmpp_ctx_t *ctx = msg->ctx;
xmpp_stanza_t *body;
xmpp_stanza_t *text_stanza;
const char *name;
int ret;
/* check that msg is a <message/> stanza and doesn't contain <body/> */
name = xmpp_stanza_get_name(msg);
body = xmpp_stanza_get_child_by_name(msg, "body");
if (!name || strcmp(name, "message") != 0 || body)
return XMPP_EINVOP;
body = xmpp_stanza_new(ctx);
text_stanza = xmpp_stanza_new(ctx);
ret = body && text_stanza ? XMPP_EOK : XMPP_EMEM;
if (ret == XMPP_EOK)
ret = xmpp_stanza_set_name(body, "body");
if (ret == XMPP_EOK)
ret = xmpp_stanza_set_text(text_stanza, text);
if (ret == XMPP_EOK)
ret = xmpp_stanza_add_child(body, text_stanza);
if (ret == XMPP_EOK)
ret = xmpp_stanza_add_child(msg, body);
if (text_stanza)
xmpp_stanza_release(text_stanza);
if (body)
xmpp_stanza_release(body);
return ret;
}
static int _zkmuc_on_source_query(xmpp_ua_t *ua, xmpp_stanza_t *stanza, void *userdata)
{
query_source_data *data = (query_source_data *)userdata;
char *from = xmpp_stanza_get_attribute(stanza, "from");
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, "x");
xmpp_stanza_t *item = xmpp_stanza_get_children(x);
zkmuc_source_t *head = NULL;
zkmuc_source_t **current = &head;
while (item)
{
if (!strcmp("item", xmpp_stanza_get_name(item)))
{
*current = (zkmuc_source_t *)malloc(sizeof(zkmuc_source_t));
(*current)->cid = atoi(xmpp_stanza_get_attribute(item, "cid"));
(*current)->sid = atoi(xmpp_stanza_get_attribute(item, "sid"));
(*current)->description = strdup(xmpp_stanza_get_attribute(item, "desc"));
(*current)->mcu = strdup(xmpp_stanza_get_attribute(item, "mcu"));
current = &(*current)->next;
}
item = xmpp_stanza_get_next(item);
}
*current = NULL;
data->cb(data->ctx, from, data->userdata, head);
_zkmuc_free_all_remote_source(head);
free(data);
return 1;
}
static int _handle_proceedtls_default(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *name;
name = xmpp_stanza_get_name(stanza);
xmpp_debug(conn->ctx, "xmpp",
"handle proceedtls called for %s", name);
if (strcmp(name, "proceed") == 0) {
xmpp_debug(conn->ctx, "xmpp", "proceeding with TLS");
conn->tls = tls_new(conn->ctx, conn->sock);
if (!tls_start(conn->tls))
{
xmpp_debug(conn->ctx, "xmpp", "Couldn't start TLS! error %d", tls_error(conn->tls));
tls_free(conn->tls);
conn->tls = NULL;
conn->tls_failed = 1;
/* failed tls spoils the connection, so disconnect */
xmpp_disconnect(conn);
}
else
{
conn->secured = 1;
conn_prepare_reset(conn, auth_handle_open);
conn_open_stream(conn);
}
}
return 0;
}
/* Check if the received stanza is <handshake/> and set auth to true
* and fire connection handler.
*/
int _handle_component_hs_response(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *name;
xmpp_timed_handler_delete(conn, _handle_missing_handshake);
name = xmpp_stanza_get_name(stanza);
if (strcmp(name, "handshake") != 0) {
char *msg;
size_t msg_size;
xmpp_stanza_to_text(stanza, &msg, &msg_size);
if (msg) {
xmpp_debug(conn->ctx, "auth", "Handshake failed: %s", msg);
xmpp_free(conn->ctx, msg);
}
xmpp_disconnect(conn);
return XMPP_EINT;
} else {
conn->authenticated = 1;
conn->conn_handler(conn, XMPP_CONN_CONNECT, 0, NULL, conn->userdata);
}
/* We don't need this handler anymore, return 0 so it can be deleted
* from the list of handlers.
*/
return 0;
}
static void files_list(xmpp_stanza_t *stanza) {
int rc; /* Return code */
rc = pthread_mutex_lock(&mutex);
wsyserr(rc != 0, "pthread_mutex_lock");
char *error_attr = xmpp_stanza_get_attribute(stanza, "error"); /* error attribute */
wfatal(error_attr == NULL, "no error attribute in files stanza");
if (strcmp(error_attr, "0") != 0) {
wlog("Error in attributes: %s", error_attr);
} else {
char *path_attr = xmpp_stanza_get_attribute(stanza, "path"); /* path attribute */
wfatal(path_attr == NULL, "xmpp_stanza_get_attribute [attribute = path]");
xmpp_stanza_t *child = xmpp_stanza_get_children(stanza);
while (child != NULL) {
elem_t *elem = (elem_t *)malloc(sizeof(elem_t));
wsyserr(elem == NULL, "malloc");
elem->next = NULL;
char *name = xmpp_stanza_get_name(child);
wfatal(name == NULL, "xmpp_stanza_get_name");
if (strcmp(name, "directory") == 0) {
elem->type = DIR;
} else if (strcmp(name, "file") == 0) {
elem->type = REG;
} else {
werr("Unknown name: %s", name);
}
char *filename_attr = xmpp_stanza_get_attribute(child, "filename");
wfatal(filename_attr == NULL, "xmpp_stanza_get_attribute [attribute = filename]");
elem->filename = strdup(filename_attr);
wsyserr(elem->filename == NULL, "strdup");
/* Add elem in list */
if (root == NULL) {
root = elem;
} else {
last->next = elem;
}
last = elem;
child = xmpp_stanza_get_next(child);
}
}
/* Data set */
signal_list = true;
rc = pthread_cond_signal(&cond);
wsyserr(rc != 0, "pthread_cond_signal");
rc = pthread_mutex_unlock(&mutex);
wsyserr(rc != 0, "pthread_mutex_unlock");
}
static gboolean
_handle_carbons(xmpp_stanza_t *const stanza)
{
xmpp_stanza_t *carbons = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_CARBONS);
if (!carbons) {
return FALSE;
}
char *name = xmpp_stanza_get_name(carbons);
if ((g_strcmp0(name, "received") == 0) || (g_strcmp0(name, "sent")) == 0) {
xmpp_stanza_t *forwarded = xmpp_stanza_get_child_by_ns(carbons, STANZA_NS_FORWARD);
xmpp_stanza_t *message = xmpp_stanza_get_child_by_name(forwarded, STANZA_NAME_MESSAGE);
xmpp_ctx_t *ctx = connection_get_ctx();
gchar *to = xmpp_stanza_get_attribute(message, STANZA_ATTR_TO);
gchar *from = xmpp_stanza_get_attribute(message, STANZA_ATTR_FROM);
// happens when receive a carbon of a self sent message
if (!to) to = from;
Jid *jid_from = jid_create(from);
Jid *jid_to = jid_create(to);
Jid *my_jid = jid_create(jabber_get_fulljid());
// check for and deal with message
xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(message, STANZA_NAME_BODY);
if (body) {
char *message_txt = xmpp_stanza_get_text(body);
if (message_txt) {
// check for pgp encrypted message
char *enc_message = NULL;
xmpp_stanza_t *x = xmpp_stanza_get_child_by_ns(message, STANZA_NS_ENCRYPTED);
if (x) {
enc_message = xmpp_stanza_get_text(x);
}
// if we are the recipient, treat as standard incoming message
if(g_strcmp0(my_jid->barejid, jid_to->barejid) == 0){
sv_ev_incoming_carbon(jid_from->barejid, jid_from->resourcepart, message_txt, enc_message);
// else treat as a sent message
} else {
sv_ev_outgoing_carbon(jid_to->barejid, message_txt, enc_message);
}
xmpp_free(ctx, message_txt);
xmpp_free(ctx, enc_message);
}
}
jid_destroy(jid_from);
jid_destroy(jid_to);
jid_destroy(my_jid);
return TRUE;
}
return FALSE;
}
static int _handle_features(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_stanza_t *child, *mech;
char *text;
/* remove the handler that detects missing stream:features */
xmpp_timed_handler_delete(conn, _handle_missing_features);
/* check for TLS */
if (!conn->secured) {
if (!conn->tls_disabled) {
child = xmpp_stanza_get_child_by_name(stanza, "starttls");
if (child && (strcmp(xmpp_stanza_get_ns(child), XMPP_NS_TLS) == 0))
conn->tls_support = 1;
} else {
conn->tls_support = 0;
}
}
/* check for SASL */
child = xmpp_stanza_get_child_by_name(stanza, "mechanisms");
if (child && (strcmp(xmpp_stanza_get_ns(child), XMPP_NS_SASL) == 0)) {
for (mech = xmpp_stanza_get_children(child); mech;
mech = xmpp_stanza_get_next(mech)) {
if (xmpp_stanza_get_name(mech) && strcmp(xmpp_stanza_get_name(mech), "mechanism") == 0) {
text = xmpp_stanza_get_text(mech);
if (strcasecmp(text, "PLAIN") == 0)
conn->sasl_support |= SASL_MASK_PLAIN;
else if (strcasecmp(text, "DIGEST-MD5") == 0)
conn->sasl_support |= SASL_MASK_DIGESTMD5;
else if (strcasecmp(text, "SCRAM-SHA-1") == 0)
conn->sasl_support |= SASL_MASK_SCRAMSHA1;
else if (strcasecmp(text, "ANONYMOUS") == 0)
conn->sasl_support |= SASL_MASK_ANONYMOUS;
xmpp_free(conn->ctx, text);
}
}
}
_auth(conn);
return 0;
}
int
handle_disco_items(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_stanza_t *query, *item;
xmppipe_state_t *state = userdata;
xmpp_ctx_t *ctx = state->ctx;
query = xmpp_stanza_get_child_by_name(stanza, "query");
if (query == NULL)
return 1;
for (item = xmpp_stanza_get_children(query); item != NULL;
item = xmpp_stanza_get_next(item)) {
xmpp_stanza_t *iq, *reply;
const char *jid = NULL;
const char *name = NULL;
char *id = NULL;
name = xmpp_stanza_get_name(item);
if (name == NULL)
continue;
if (XMPPIPE_STRNEQ(name, "item"))
continue;
jid = xmpp_stanza_get_attribute(item, "jid");
if (jid == NULL)
continue;
iq = xmppipe_stanza_new(ctx);
xmppipe_stanza_set_name(iq, "iq");
xmppipe_stanza_set_type(iq, "get");
xmppipe_stanza_set_attribute(iq, "to", jid);
id = xmpp_uuid_gen(state->ctx);
if (id == NULL) {
errx(EXIT_FAILURE, "unable to allocate message id");
}
xmppipe_stanza_set_id(iq, id);
reply = xmppipe_stanza_new(ctx);
xmppipe_stanza_set_name(reply, "query");
xmppipe_stanza_set_ns(reply, "http://jabber.org/protocol/disco#info");
xmppipe_stanza_add_child(iq, reply);
xmppipe_send(state, iq);
(void)xmpp_stanza_release(iq);
xmpp_free(state->ctx, id);
}
return 0;
}
/* handle the challenge phase of digest auth */
static int _handle_digestmd5_challenge(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *text;
char *response;
xmpp_stanza_t *auth, *authdata;
char *name;
name = xmpp_stanza_get_name(stanza);
xmpp_debug(conn->ctx, "xmpp",\
"handle digest-md5 (challenge) called for %s", name);
if (strcmp(name, "challenge") == 0) {
text = xmpp_stanza_get_text(stanza);
response = sasl_digest_md5(conn->ctx, text, conn->jid, conn->pass);
if (!response) {
disconnect_mem_error(conn);
return 0;
}
xmpp_free(conn->ctx, text);
auth = xmpp_stanza_new(conn->ctx);
if (!auth) {
disconnect_mem_error(conn);
return 0;
}
xmpp_stanza_set_name(auth, "response");
xmpp_stanza_set_ns(auth, XMPP_NS_SASL);
authdata = xmpp_stanza_new(conn->ctx);
if (!authdata) {
disconnect_mem_error(conn);
return 0;
}
xmpp_stanza_set_text(authdata, response);
xmpp_free(conn->ctx, response);
xmpp_stanza_add_child(auth, authdata);
xmpp_stanza_release(authdata);
handler_add(conn, _handle_digestmd5_rspauth,
XMPP_NS_SASL, NULL, NULL, NULL);
xmpp_send(conn, auth);
xmpp_stanza_release(auth);
} else {
return _handle_sasl_result(conn, stanza, "DIGEST-MD5");
}
/* remove ourselves */
return 0;
}
gboolean
stanza_is_room_nick_change(xmpp_stanza_t * const stanza)
{
if (stanza == NULL) {
return FALSE;
}
if (strcmp(xmpp_stanza_get_name(stanza), STANZA_NAME_PRESENCE) != 0) {
return FALSE;
}
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_X);
if (x == NULL) {
return FALSE;
}
char *ns = xmpp_stanza_get_ns(x);
if (ns == NULL) {
return FALSE;
}
if (strcmp(ns, STANZA_NS_MUC_USER) != 0) {
return FALSE;
}
xmpp_stanza_t *x_children = xmpp_stanza_get_children(x);
if (x_children == NULL) {
return FALSE;
}
while (x_children != NULL) {
if (strcmp(xmpp_stanza_get_name(x_children), STANZA_NAME_STATUS) == 0) {
char *code = xmpp_stanza_get_attribute(x_children, STANZA_ATTR_CODE);
if (strcmp(code, "303") == 0) {
return TRUE;
}
}
x_children = xmpp_stanza_get_next(x_children);
}
return FALSE;
}
/** Get the first child of stanza with name.
* This function searches all the immediate children of stanza for a child
* stanza that matches the name. The first matching child is returned.
*
* @param stanza a Strophe stanza object
* @param name a string with the name to match
*
* @return the matching child stanza object or NULL if no match was found
*
* @ingroup Stanza
*/
xmpp_stanza_t *xmpp_stanza_get_child_by_name(xmpp_stanza_t * const stanza,
const char * const name)
{
xmpp_stanza_t *child;
for (child = stanza->children; child; child = child->next) {
if (child->type == XMPP_STANZA_TAG &&
(strcmp(name, xmpp_stanza_get_name(child)) == 0))
break;
}
return child;
}
/** Get text from <body/> child element.
* This function returns new allocated string. The caller is responsible
* for freeing this string with xmpp_free().
*
* @param msg well formed <message/> stanza
*
* @return allocated string or NULL on failure (no <body/> element or
* memory allocation error)
*
* @ingroup Stanza
*/
char *xmpp_message_get_body(xmpp_stanza_t *msg)
{
xmpp_stanza_t *body;
const char *name;
char *text = NULL;
name = xmpp_stanza_get_name(msg);
body = xmpp_stanza_get_child_by_name(msg, "body");
if (name && strcmp(name, "message") == 0 && body) {
text = xmpp_stanza_get_text(body);
}
return text;
}
int
handle_disco_info(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
void * const userdata)
{
xmpp_stanza_t *query, *child;
const char *from = NULL;
xmppipe_state_t *state = userdata;
from = xmpp_stanza_get_attribute(stanza, "from");
if (from == NULL)
return 1;
query = xmpp_stanza_get_child_by_name(stanza, "query");
if (query == NULL)
return 1;
for (child = xmpp_stanza_get_children(query); child != NULL;
child = xmpp_stanza_get_next(child)) {
const char *feature = NULL;
const char *var = NULL;
feature = xmpp_stanza_get_name(child);
if (feature == NULL)
continue;
if (XMPPIPE_STRNEQ(feature, "feature"))
continue;
var = xmpp_stanza_get_attribute(child, "var");
if (var == NULL)
continue;
if (XMPPIPE_STRNEQ(var, "http://jabber.org/protocol/muc"))
continue;
state->mucservice = xmppipe_strdup(from);
state->out = xmppipe_conference(state->room, state->mucservice);
state->mucjid = xmppipe_mucjid(state->out, state->resource);
if (state->opt & XMPPIPE_OPT_GROUPCHAT) {
xmppipe_muc_join(state);
xmppipe_muc_unlock(state);
}
return 0;
}
return 1;
}
static int
_iq_handle_discoitems_result(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza,
void * const userdata)
{
log_debug("Recieved diso#items response");
const char *id = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_ID);
const char *from = xmpp_stanza_get_attribute(stanza, STANZA_ATTR_FROM);
const char *stanza_name = NULL;
const char *item_jid = NULL;
const char *item_name = NULL;
GSList *items = NULL;
if ((g_strcmp0(id, "confreq") == 0) || (g_strcmp0(id, "discoitemsreq") == 0)) {
log_debug("Response to query: %s", id);
xmpp_stanza_t *query = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_QUERY);
if (query != NULL) {
xmpp_stanza_t *child = xmpp_stanza_get_children(query);
while (child != NULL) {
stanza_name = xmpp_stanza_get_name(child);
if ((stanza_name != NULL) && (g_strcmp0(stanza_name, STANZA_NAME_ITEM) == 0)) {
item_jid = xmpp_stanza_get_attribute(child, STANZA_ATTR_JID);
if (item_jid != NULL) {
DiscoItem *item = malloc(sizeof(struct disco_item_t));
item->jid = strdup(item_jid);
item_name = xmpp_stanza_get_attribute(child, STANZA_ATTR_NAME);
if (item_name != NULL) {
item->name = strdup(item_name);
} else {
item->name = NULL;
}
items = g_slist_append(items, item);
}
}
child = xmpp_stanza_get_next(child);
}
}
}
if (g_strcmp0(id, "confreq") == 0) {
handle_room_list(items, from);
} else if (g_strcmp0(id, "discoitemsreq") == 0) {
handle_disco_items(items, from);
}
g_slist_free_full(items, (GDestroyNotify)_item_destroy);
return 1;
}
GSList *
_get_groups_from_item(xmpp_stanza_t *item)
{
GSList *groups = NULL;
xmpp_stanza_t *group_element = xmpp_stanza_get_children(item);
while (group_element) {
if (strcmp(xmpp_stanza_get_name(group_element), STANZA_NAME_GROUP) == 0) {
char *groupname = xmpp_stanza_get_text(group_element);
if (groupname) {
groups = g_slist_append(groups, groupname);
}
}
group_element = xmpp_stanza_get_next(group_element);
}
return groups;
}
static int
_blocklist_result_handler(xmpp_stanza_t *const stanza, void *const userdata)
{
log_info("Blocked list result handler fired.");
const char *type = xmpp_stanza_get_type(stanza);
if (g_strcmp0(type, "result") != 0) {
log_info("Received blocklist without result type");
return 0;
}
xmpp_stanza_t *blocklist = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BLOCKLIST);
if (!blocklist) {
log_info("Received blocklist without blocklist element");
return 0;
}
if (blocked) {
g_list_free_full(blocked, free);
blocked = NULL;
}
xmpp_stanza_t *items = xmpp_stanza_get_children(blocklist);
if (!items) {
log_info("No blocked users.");
return 0;
}
xmpp_stanza_t *curr = items;
while (curr) {
const char *name = xmpp_stanza_get_name(curr);
if (g_strcmp0(name, "item") == 0) {
const char *jid = xmpp_stanza_get_attribute(curr, STANZA_ATTR_JID);
if (jid) {
blocked = g_list_append(blocked, strdup(jid));
autocomplete_add(blocked_ac, jid);
}
}
curr = xmpp_stanza_get_next(curr);
}
return 0;
}
//TODO: Create structure for holding the roster
static int _HandleRosterReply(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza, void * const userdata) {
xmpp_stanza_t *query, *item, *group;
char *type, *name, *jid, *sub, groups[200], *groupName;
char *g;
int r_count = 0;
sdvpIdleCounter = 0;
sdvpPingsSent = 0;
type = xmpp_stanza_get_type(stanza);
if (strcmp(type, "error") == 0) {
syslog(LOG_WARNING, "ERROR: query failed\n");
} else {
query = xmpp_stanza_get_child_by_name(stanza, "query");
syslog(LOG_INFO, "Roster (Only the first group is shown!):\n----------\n");
for (item = xmpp_stanza_get_children(query); item; item =
xmpp_stanza_get_next(item)) {
name = xmpp_stanza_get_attribute(item, "name");
jid = xmpp_stanza_get_attribute(item, "jid");
sub = xmpp_stanza_get_attribute(item, "subscription");
// Get groups
//
strcpy(groups, "-");
for (group = xmpp_stanza_get_children(item); group; group =
xmpp_stanza_get_next(group)) {
groupName = xmpp_stanza_get_name(group);
if (strcmp(groupName, "group") == 0) {
g = xmpp_stanza_get_text(group);
strcpy(groups, g);
free(g);
}
}
syslog(LOG_INFO, "#%d\tName=%s\n\tJID=%s\n\tsubscription=%s\n\tGroups=%s\n\n",
r_count, name, jid, sub, groups);
r_count++;
}
syslog(LOG_INFO, "----------\n");
}
return 1;
}
int presence_handler(xmpp_conn_t * const conn, xmpp_stanza_t * const stanza, void * const userdata)
{
xmpp_ctx_t *ctx = (xmpp_ctx_t*)userdata;
if (!strcmp(xmpp_stanza_get_name(stanza), "presence"))
{
xmpp_stanza_t *message, *text, *body;
char username[1024];
char sendtext[1024];
printf("Enter the username you would like to send this message to: ");
scanf("%[^\n]", username);
char c = getchar();
printf("Type the message that you would like to send: ");
scanf("%[^\n]", sendtext);
message = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(message, "message");
xmpp_stanza_set_type(message, "chat");
xmpp_stanza_set_attribute(message, "to", username);
body = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(body, "body");
text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(text, sendtext);
xmpp_stanza_add_child(body, text);
xmpp_stanza_add_child(message, body);
xmpp_send(conn, message);
xmpp_stanza_release(message);
}
}
char *
stanza_get_new_nick(xmpp_stanza_t * const stanza)
{
if (!stanza_is_room_nick_change(stanza)) {
return NULL;
} else {
xmpp_stanza_t *x = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_X);
xmpp_stanza_t *x_children = xmpp_stanza_get_children(x);
while (x_children != NULL) {
if (strcmp(xmpp_stanza_get_name(x_children), STANZA_NAME_ITEM) == 0) {
char *nick = xmpp_stanza_get_attribute(x_children, STANZA_ATTR_NICK);
if (nick != NULL) {
return strdup(nick);
}
}
x_children = xmpp_stanza_get_next(x_children);
}
return NULL;
}
}
static int _handle_proceedtls_default(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
const char *name;
name = xmpp_stanza_get_name(stanza);
xmpp_debug(conn->ctx, "xmpp", "handle proceedtls called for %s", name);
if (strcmp(name, "proceed") == 0) {
xmpp_debug(conn->ctx, "xmpp", "proceeding with TLS");
if (conn_tls_start(conn) == 0) {
conn_prepare_reset(conn, auth_handle_open);
conn_open_stream(conn);
} else {
/* failed tls spoils the connection, so disconnect */
xmpp_disconnect(conn);
}
}
return 0;
}