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f49ccb3262
It has been pointed out that the wording of the license of this library is not entirely clear. The term "dual licensing" usually refers to a licence choice of two licenses "LICENSE1 _or_ LICENSE2. Instead the license of this library claimed "LICENSE1 _and_ LICENSE2". After an internal discussion with @metajack and @pasis it was made clear that the initial idea was to dual license the library in the usual way. This was also made clear by jack on the ML in the past [0]. As of jack, these licensing terms originated from jquery, which also used the 'and' version in the past and has since been corrected [1]. This patch changes the license terms to 'MIT or GPLv3' and also adds SPDX headers [2]. [0] https://groups.google.com/g/libstrophe/c/JkFgr601JQc [1] https://stackoverflow.com/q/2758409 [2] https://spdx.org Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
140 lines
4.0 KiB
C
140 lines
4.0 KiB
C
/* SPDX-License-Identifier: MIT OR GPL-3.0-only */
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/* basic.c
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** libstrophe XMPP client library -- basic usage example
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**
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** Copyright (C) 2005-2009 Collecta, Inc.
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**
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** This software is provided AS-IS with no warranty, either express
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** or implied.
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**
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** This program is dual licensed under the MIT or GPLv3 licenses.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strophe.h>
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/* define a handler for connection events */
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static void conn_handler(xmpp_conn_t *conn,
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xmpp_conn_event_t status,
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int error,
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xmpp_stream_error_t *stream_error,
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void *userdata)
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{
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xmpp_ctx_t *ctx = (xmpp_ctx_t *)userdata;
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(void)error;
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(void)stream_error;
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if (status == XMPP_CONN_CONNECT) {
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fprintf(stderr, "DEBUG: connected\n");
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xmpp_disconnect(conn);
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} else {
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fprintf(stderr, "DEBUG: disconnected\n");
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xmpp_stop(ctx);
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}
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}
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static void usage(int exit_code)
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{
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fprintf(stderr,
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"Usage: basic [options] [<host> [<port>]]\n\n"
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"Options:\n"
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" --jid <jid> The JID to use to authenticate.\n"
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" --pass <pass> The password of the JID.\n"
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" --disable-tls Disable TLS.\n"
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" --mandatory-tls Deny plaintext connection.\n"
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" --trust-tls Trust TLS certificate.\n"
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" --legacy-ssl Use old style SSL.\n"
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" --legacy-auth Allow legacy authentication.\n"
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"Note: --disable-tls conflicts with --mandatory-tls or "
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"--legacy-ssl\n");
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exit(exit_code);
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}
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int main(int argc, char **argv)
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{
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xmpp_ctx_t *ctx;
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xmpp_conn_t *conn;
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xmpp_log_t *log;
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char *jid = NULL, *password = NULL, *host = NULL;
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long flags = 0;
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int i;
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unsigned long port = 0;
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/* take a jid and password on the command line */
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for (i = 1; i < argc; ++i) {
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if (strcmp(argv[i], "--help") == 0)
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usage(0);
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else if (strcmp(argv[i], "--disable-tls") == 0)
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flags |= XMPP_CONN_FLAG_DISABLE_TLS;
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else if (strcmp(argv[i], "--mandatory-tls") == 0)
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flags |= XMPP_CONN_FLAG_MANDATORY_TLS;
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else if (strcmp(argv[i], "--trust-tls") == 0)
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flags |= XMPP_CONN_FLAG_TRUST_TLS;
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else if (strcmp(argv[i], "--legacy-ssl") == 0)
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flags |= XMPP_CONN_FLAG_LEGACY_SSL;
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else if (strcmp(argv[i], "--legacy-auth") == 0)
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flags |= XMPP_CONN_FLAG_LEGACY_AUTH;
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else if ((strcmp(argv[i], "--jid") == 0) && (++i < argc))
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jid = argv[i];
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else if ((strcmp(argv[i], "--pass") == 0) && (++i < argc))
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password = argv[i];
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else
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break;
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}
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if ((!jid) || (argc - i) > 2) {
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usage(1);
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}
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if (i < argc)
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host = argv[i];
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if (i + 1 < argc)
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port = strtoul(argv[i + 1], NULL, 0);
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/*
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* Note, this example doesn't handle errors. Applications should check
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* return values of non-void functions.
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*/
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/* init library */
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xmpp_initialize();
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/* pass NULL instead to silence output */
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log = xmpp_get_default_logger(XMPP_LEVEL_DEBUG);
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/* create a context */
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ctx = xmpp_ctx_new(NULL, log);
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/* create a connection */
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conn = xmpp_conn_new(ctx);
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/* configure connection properties (optional) */
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xmpp_conn_set_flags(conn, flags);
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/* setup authentication information */
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if (jid)
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xmpp_conn_set_jid(conn, jid);
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if (password)
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xmpp_conn_set_pass(conn, password);
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/* initiate connection */
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if (xmpp_connect_client(conn, host, port, conn_handler, ctx) == XMPP_EOK) {
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/* enter the event loop -
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our connect handler will trigger an exit */
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xmpp_run(ctx);
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}
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/* release our connection and context */
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xmpp_conn_release(conn);
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xmpp_ctx_free(ctx);
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/* final shutdown of the library */
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xmpp_shutdown();
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return 0;
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}
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