/* failure exit - format must be <= 100 chars */
void svr_dropbear_exit(int exitcode, const char* format, va_list param) {
char fmtbuf[300];
if (!sessinitdone) {
/* before session init */
snprintf(fmtbuf, sizeof(fmtbuf),
"premature exit: %s", format);
} else if (ses.authstate.authdone) {
/* user has authenticated */
snprintf(fmtbuf, sizeof(fmtbuf),
"exit after auth (%s): %s",
ses.authstate.printableuser, format);
} else if (ses.authstate.printableuser) {
/* we have a potential user */
snprintf(fmtbuf, sizeof(fmtbuf),
"exit before auth (user '%s', %d fails): %s",
ses.authstate.printableuser, ses.authstate.failcount, format);
} else {
/* before userauth */
snprintf(fmtbuf, sizeof(fmtbuf),
"exit before auth: %s", format);
}
_dropbear_log(LOG_INFO, fmtbuf, param);
/* must be after we've done with username etc */
common_session_cleanup();
exit(exitcode);
}
static void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
char fmtbuf[300];
if (!sessinitdone) {
snprintf(fmtbuf, sizeof(fmtbuf), "Exited: %s",
format);
} else {
snprintf(fmtbuf, sizeof(fmtbuf),
"Connection to %s@%s exited: %s",
cli_opts.username, cli_opts.remote_name_str, format);
#if 0
"Connection to %s@%s:%s exited: %s",
cli_opts.username, cli_opts.remotehost,
cli_opts.remoteport, format);
#endif
}
/* Do the cleanup first, since then the terminal will be reset */
cli_session_cleanup();
common_session_cleanup();
_dropbear_log(LOG_INFO, fmtbuf, param);
exit(exitcode);
}
/* this is what can be called to write arbitrary log messages */
void dropbear_log(int priority, const char* format, ...) {
va_list param;
va_start(param, format);
_dropbear_log(priority, format, param);
va_end(param);
}
static void generic_dropbear_exit(int exitcode, const char* format,
va_list param) {
char fmtbuf[300];
snprintf(fmtbuf, sizeof(fmtbuf), "Exited: %s", format);
_dropbear_log(LOG_INFO, fmtbuf, param);
exit(exitcode);
}
static void fwd_failed(const char* format, ...)
{
va_list param;
va_start(param, format);
if (cli_opts.exit_on_fwd_failure) {
_dropbear_exit(EXIT_FAILURE, format, param);
} else {
_dropbear_log(LOG_WARNING, format, param);
}
va_end(param);
}
/* failure exit - format must be <= 100 chars */
void svr_dropbear_exit(int exitcode, const char* format, va_list param) {
char fmtbuf[300];
int i;
if (!sessinitdone) {
/* before session init */
snprintf(fmtbuf, sizeof(fmtbuf),
"Early exit: %s", format);
} else if (ses.authstate.authdone) {
/* user has authenticated */
snprintf(fmtbuf, sizeof(fmtbuf),
"Exit (%s): %s",
ses.authstate.pw_name, format);
} else if (ses.authstate.pw_name) {
/* we have a potential user */
snprintf(fmtbuf, sizeof(fmtbuf),
"Exit before auth (user '%s', %d fails): %s",
ses.authstate.pw_name, ses.authstate.failcount, format);
} else {
/* before userauth */
snprintf(fmtbuf, sizeof(fmtbuf),
"Exit before auth: %s", format);
}
_dropbear_log(LOG_INFO, fmtbuf, param);
#ifdef USE_VFORK
/* For uclinux only the main server process should cleanup - we don't want
* forked children doing that */
if (svr_ses.server_pid == getpid())
#endif
{
/* must be after we've done with username etc */
session_cleanup();
}
if (svr_opts.hostkey) {
sign_key_free(svr_opts.hostkey);
svr_opts.hostkey = NULL;
}
for (i = 0; i < DROPBEAR_MAX_PORTS; i++) {
m_free(svr_opts.addresses[i]);
m_free(svr_opts.ports[i]);
}
exit(exitcode);
}
/* failure exit - format must be <= 100 chars */
void svr_dropbear_exit(int exitcode, const char* format, va_list param) {
char fmtbuf[300];
if (!sessinitdone) {
/* before session init */
snprintf(fmtbuf, sizeof(fmtbuf),
"premature exit: %s", format);
} else if (ses.authstate.authdone) {
/* user has authenticated */
snprintf(fmtbuf, sizeof(fmtbuf),
"exit after auth (%s): %s",
ses.authstate.pw_name, format);
} else if (ses.authstate.pw_name) {
/* we have a potential user */
snprintf(fmtbuf, sizeof(fmtbuf),
"exit before auth (user '%s', %d fails): %s",
ses.authstate.pw_name, ses.authstate.failcount, format);
} else {
/* before userauth */
snprintf(fmtbuf, sizeof(fmtbuf),
"exit before auth: %s", format);
}
_dropbear_log(LOG_INFO, fmtbuf, param);
#ifdef __uClinux__
/* only the main server process should cleanup - we don't want
* forked children doing that */
if (svr_ses.server_pid == getpid())
#else
if (1)
#endif
{
/* free potential public key options */
svr_pubkey_options_cleanup();
/* must be after we've done with username etc */
common_session_cleanup();
}
exit(exitcode);
}
static void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
char fmtbuf[300];
if (!sessinitdone) {
snprintf(fmtbuf, sizeof(fmtbuf), "Exited: %s",
format);
} else {
snprintf(fmtbuf, sizeof(fmtbuf),
"Connection to %s@%s:%s exited: %s",
cli_opts.username, cli_opts.remotehost,
cli_opts.remoteport, format);
}
/* Do the cleanup first, since then the terminal will be reset */
session_cleanup();
/* Avoid printing onwards from terminal cruft */
fprintf(stderr, "\n");
_dropbear_log(LOG_INFO, fmtbuf, param);
exit(exitcode);
}
