Mercurial > dropbear

comparison cli-session.c @ 1745:a6824c54962a

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Merge fuzz branch
author Matt Johnston <matt@ucc.asn.au>
date Sun, 18 Oct 2020 22:53:44 +0800
parents 6e71440b1e47
children 1fc0012b9c38
comparison
equal deleted inserted replaced
1738:4f13df974cf4 1745:a6824c54962a
350 /* Ignore return value since there's nothing we can do */ 350 /* Ignore return value since there's nothing we can do */
351 (void)fcntl(cli_ses.stdincopy, F_SETFL, cli_ses.stdinflags); 351 (void)fcntl(cli_ses.stdincopy, F_SETFL, cli_ses.stdinflags);
352 (void)fcntl(cli_ses.stdoutcopy, F_SETFL, cli_ses.stdoutflags); 352 (void)fcntl(cli_ses.stdoutcopy, F_SETFL, cli_ses.stdoutflags);
353 (void)fcntl(cli_ses.stderrcopy, F_SETFL, cli_ses.stderrflags); 353 (void)fcntl(cli_ses.stderrcopy, F_SETFL, cli_ses.stderrflags);
354 354
355 /* Don't leak */
356 m_close(cli_ses.stdincopy);
357 m_close(cli_ses.stdoutcopy);
358 m_close(cli_ses.stderrcopy);
359
355 cli_tty_cleanup(); 360 cli_tty_cleanup();
356 if (cli_ses.server_sig_algs) { 361 if (cli_ses.server_sig_algs) {
357 buf_free(cli_ses.server_sig_algs); 362 buf_free(cli_ses.server_sig_algs);
358 } 363 }
359 } 364 }
405 static void recv_msg_global_request_cli(void) { 410 static void recv_msg_global_request_cli(void) {
406 TRACE(("recv_msg_global_request_cli")) 411 TRACE(("recv_msg_global_request_cli"))
407 /* Send a proper rejection */ 412 /* Send a proper rejection */
408 send_msg_request_failure(); 413 send_msg_request_failure();
409 } 414 }
415
416 void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
417 char exitmsg[150];
418 char fullmsg[300];
419
420 /* Note that exit message must be rendered before session cleanup */
421
422 /* Render the formatted exit message */
423 vsnprintf(exitmsg, sizeof(exitmsg), format, param);
424 TRACE(("Exited, cleaning up: %s", exitmsg))
425
426 /* Add the prefix depending on session/auth state */
427 if (!ses.init_done) {
428 snprintf(fullmsg, sizeof(fullmsg), "Exited: %s", exitmsg);
429 } else {
430 snprintf(fullmsg, sizeof(fullmsg),
431 "Connection to %s@%s:%s exited: %s",
432 cli_opts.username, cli_opts.remotehost,
433 cli_opts.remoteport, exitmsg);
434 }
435
436 /* Do the cleanup first, since then the terminal will be reset */
437 session_cleanup();
438
439 #if DROPBEAR_FUZZ
440 if (fuzz.do_jmp) {
441 longjmp(fuzz.jmp, 1);
442 }
443 #endif
444
445 /* Avoid printing onwards from terminal cruft */
446 fprintf(stderr, "\n");
447
448 dropbear_log(LOG_INFO, "%s", fullmsg);
449
450 exit(exitcode);
451 }
452
453 void cli_dropbear_log(int priority, const char* format, va_list param) {
454
455 char printbuf[1024];
456 const char *name;
457
458 name = cli_opts.progname;
459 if (!name) {
460 name = "dbclient";
461 }
462
463 vsnprintf(printbuf, sizeof(printbuf), format, param);
464
465 #ifndef DISABLE_SYSLOG
466 if (opts.usingsyslog) {
467 syslog(priority, "%s", printbuf);
468 }
469 #endif
470
471 fprintf(stderr, "%s: %s\n", name, printbuf);
472 fflush(stderr);
473 }
474