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// vim: tabstop=4 shiftwidth=4 noexpandtab
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h> // important for getopt
#include <string.h>
#include <iniparser.h>
#include <strophe.h>
#define DEFAULT_PROFILE_PATH_APPENDIX "/.config/xbot/profile.ini"
struct xmpp_job_t
{
char *message;
char *recipient_jid;
char *sender_jid;
char *sender_pwd;
xmpp_ctx_t *ctx;
uint8_t log_level;
};
void parse_cli_args(int argc, char **argv, struct xmpp_job_t *job, char **cfg_path);
void read_xmpp_profile(char *cfg_path, struct xmpp_job_t *job);
void send_message(struct xmpp_job_t *job);
void conn_handler(
xmpp_conn_t *const conn,
const xmpp_conn_event_t status,
const int error,
xmpp_stream_error_t *const stream_error,
void *const userdata
);
int main(int argc, char **argv)
{
// create some pointers
struct xmpp_job_t job;
job.log_level = 0;
char *profile_path = NULL;
// parse CLI args, read profile and execute message sending
parse_cli_args(argc, argv, &job, &profile_path);
read_xmpp_profile(profile_path, &job);
send_message(&job);
// free memory
if(job.message != NULL)free(job.message);
if(job.recipient_jid != NULL)free(job.recipient_jid);
if(job.sender_jid != NULL)free(job.sender_jid);
if(job.sender_pwd != NULL)free(job.sender_pwd);
if(profile_path != NULL)free(profile_path);
return 0;
}
void parse_cli_args(int argc, char **argv, struct xmpp_job_t *job, char **cfg_path)
{
int option;
while((option=getopt(argc, argv, "m:j:p:d")) != -1)
{
switch(option)
{
case 'm':
job->message = (char *) malloc((strlen(optarg) + 1)*sizeof(char));
strcpy(job->message, optarg);
break;
case 'j':
job->recipient_jid = (char *) malloc((strlen(optarg) + 1)*sizeof(char));
strcpy(job->recipient_jid, optarg);
break;
case 'p':
*cfg_path = (char *) malloc((strlen(optarg) + 1)*sizeof(char));
strcpy(*cfg_path, optarg);
break;
case 'd':
job->log_level = 1;
break;
}
}
if(job->message == NULL || job->recipient_jid == NULL)
{
printf("You have to provide a message with the '-m' option and a target jid with the '-j' option!\n");
exit(1);
}
if(*cfg_path == NULL)
{
char *homedir = getenv("HOME");
*cfg_path = malloc((strlen(homedir) + strlen(DEFAULT_PROFILE_PATH_APPENDIX) + 1)*sizeof(char));
strcpy(*cfg_path, homedir);
strcat(*cfg_path, DEFAULT_PROFILE_PATH_APPENDIX);
}
if (job->log_level)
{
printf("message = '%s'\ntarget_jid = '%s'\nprofile_path = '%s'\nlog_level = '%i'\n", job->message, job->recipient_jid, *cfg_path, job->log_level);
}
}
void read_xmpp_profile(char *cfg_path, struct xmpp_job_t *job)
{
dictionary *profile = iniparser_load(cfg_path);
if(profile == NULL)
{
printf("Could not parse %s\n", cfg_path);
exit(1);
}
job->sender_jid = (char *) iniparser_getstring(profile, "xbot:my_jabber_id", NULL);
job->sender_pwd = (char *) iniparser_getstring(profile, "xbot:password", NULL);
if (job->sender_jid == NULL || job->sender_pwd == NULL)
{
printf("Profile '%s' must have section 'xbot' and keys 'my_jabber_id' and 'password' configured!\n", cfg_path);
exit(1);
}
if (job->log_level)
{
printf("sender_jid = '%s'\n", job->sender_jid);
printf("sender_pwd = '%s'\n", job->sender_pwd);
}
}
void send_message(struct xmpp_job_t *job)
{
// setup some pointers and variables
xmpp_conn_t *conn;
xmpp_log_t *log;
long flags = 0;
flags |= XMPP_CONN_FLAG_MANDATORY_TLS; // force transport encryption
xmpp_initialize(); // init libstrophe (xmpp library)
if (job->log_level)
{
log = xmpp_get_default_logger(XMPP_LEVEL_DEBUG); // create xmpp logger with high log level
}
else
{
log = xmpp_get_default_logger(XMPP_LEVEL_ERROR); // create xmpp logger with low log level
}
job->ctx = xmpp_ctx_new(NULL, log); // create xmpp context
// create xmpp connection, set own jabber id and password and connect
conn = xmpp_conn_new(job->ctx);
xmpp_conn_set_flags(conn, flags);
xmpp_conn_set_jid(conn, job->sender_jid);
xmpp_conn_set_pass(conn, job->sender_pwd);
xmpp_connect_client(conn, NULL, 0, conn_handler, job);
xmpp_run(job->ctx); // event loop - conn_handler will trigger exit
xmpp_conn_release(conn);
// cleanup
xmpp_ctx_free(job->ctx);
xmpp_shutdown();
}
void conn_handler(
xmpp_conn_t *const conn,
const xmpp_conn_event_t status,
const int error,
xmpp_stream_error_t *const stream_error,
void *const userdata
)
{
struct xmpp_job_t *job = (struct xmpp_job_t *)userdata;
int secured;
(void)error;
(void)stream_error;
if(status == XMPP_CONN_CONNECT)
{
if (job->log_level)fprintf(stderr, "DEBUG: connected\n");
secured = xmpp_conn_is_secured(conn);
if (job->log_level)fprintf(stderr, "DEBUG: connection is %s.\n", secured ? "secured" : "NOT secured");
xmpp_stanza_t * stanza = xmpp_message_new(job->ctx, "chat", job->recipient_jid, "31757b032065e0c1a2f97253f23c2e2d1a1c8f40");
xmpp_stanza_set_from(stanza, job->sender_jid);
xmpp_message_set_body(stanza, job->message);
xmpp_send(conn, stanza);
xmpp_stanza_release(stanza);
xmpp_disconnect(conn);
}
else
{
if (job->log_level)fprintf(stderr, "DEBUG: disconnected\n");
xmpp_stop(job->ctx);
}
}
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