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135 lines
3.9 KiB
C
135 lines
3.9 KiB
C
/* Copyright (c) 2015-2023, Michael Santos <michael.santos@gmail.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "xmppipe.h"
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int handle_presence(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza,
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void *const userdata) {
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xmppipe_state_t *state = userdata;
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xmpp_stanza_t *x;
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xmpp_stanza_t *item;
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const char *from;
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const char *to;
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const char *type;
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char *efrom;
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char *eto;
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char *etype;
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int me = 0;
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from = xmpp_stanza_get_attribute(stanza, "from");
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to = xmpp_stanza_get_attribute(stanza, "to");
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if (from == NULL || to == NULL)
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return 1;
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x = xmpp_stanza_get_child_by_ns(stanza,
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"http://jabber.org/protocol/muc#user");
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if (x) {
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for (item = xmpp_stanza_get_children(x); item != NULL;
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item = xmpp_stanza_get_next(item)) {
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const char *name = xmpp_stanza_get_name(item);
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if (name && XMPPIPE_STREQ(name, "status")) {
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const char *code;
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code = xmpp_stanza_get_attribute(item, "code");
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if (code && XMPPIPE_STREQ(code, "110")) {
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/* Check for nick conflict */
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if (XMPPIPE_STRNEQ(from, state->mucjid)) {
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free(state->mucjid);
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state->mucjid = xmppipe_strdup(from);
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}
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xmppipe_next_state(state, XMPPIPE_S_READY);
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me = 1;
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break;
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}
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/* code ignored */
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}
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}
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}
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type = xmpp_stanza_get_attribute(stanza, "type");
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if (type == NULL)
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type = "available";
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if (me != 0 && XMPPIPE_STREQ(type, "available")) {
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state->occupants++;
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} else if (XMPPIPE_STREQ(type, "unavailable") && (state->occupants > 0)) {
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state->occupants--;
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}
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if (state->status == XMPPIPE_S_READY && state->occupants > 0)
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xmppipe_next_state(state, XMPPIPE_S_READY_AVAIL);
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if (state->status == XMPPIPE_S_READY_AVAIL && state->occupants == 0)
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xmppipe_next_state(state, XMPPIPE_S_READY_EMPTY);
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etype = xmppipe_fmt_encode(type);
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efrom = xmppipe_fmt_encode(from);
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eto = xmppipe_fmt_encode(to);
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(void)printf("p:%s:%s:%s\n", etype, efrom, eto);
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state->interval = 0;
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free(etype);
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free(efrom);
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free(eto);
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return 1;
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}
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int handle_presence_error(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza,
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void *const userdata) {
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xmppipe_state_t *state = userdata;
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xmpp_stanza_t *error;
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xmpp_stanza_t *child;
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const char *from;
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const char *to;
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const char *code;
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const char *text = NULL;
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from = xmpp_stanza_get_attribute(stanza, "from");
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to = xmpp_stanza_get_attribute(stanza, "to");
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if (from == NULL || to == NULL)
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return 1;
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/* Check error is to our JID (user@example.org/binding) */
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if (XMPPIPE_STRNEQ(to, xmpp_conn_get_bound_jid(conn)))
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return 1;
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/* Check error is from our resource in the MUC (room@example.org/nick) */
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if (XMPPIPE_STRNEQ(from, state->mucjid))
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return 1;
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error = xmpp_stanza_get_child_by_name(stanza, "error");
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if (error == NULL)
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return 1;
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code = xmpp_stanza_get_attribute(error, "code");
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child = xmpp_stanza_get_child_by_name(error, "text");
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if (child)
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text = xmpp_stanza_get_text(child);
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errx(EXIT_FAILURE, "%s: %s", code ? code : "no error code specified",
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text ? text : "no description");
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}
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