Annotation of src/usr.bin/ssh/auth2-kbdint.c, Revision 1.15
1.15 ! djm 1: /* $OpenBSD: auth2-kbdint.c,v 1.14 2021/12/19 22:12:07 djm Exp $ */
1.1 markus 2: /*
3: * Copyright (c) 2000 Markus Friedl. All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: *
14: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24: */
25:
1.5 deraadt 26: #include <sys/types.h>
1.10 djm 27:
28: #include <stdlib.h>
29: #include <stdio.h>
1.11 deraadt 30: #include <stdarg.h>
1.1 markus 31:
1.5 deraadt 32: #include "xmalloc.h"
1.1 markus 33: #include "packet.h"
1.5 deraadt 34: #include "hostfile.h"
1.1 markus 35: #include "auth.h"
36: #include "log.h"
1.7 millert 37: #include "misc.h"
1.1 markus 38: #include "servconf.h"
1.9 markus 39: #include "ssherr.h"
1.1 markus 40:
41: /* import */
42: extern ServerOptions options;
1.15 ! djm 43: extern struct authmethod_cfg methodcfg_kbdint;
1.1 markus 44:
1.2 markus 45: static int
1.14 djm 46: userauth_kbdint(struct ssh *ssh, const char *method)
1.1 markus 47: {
1.9 markus 48: int r, authenticated = 0;
1.1 markus 49: char *lang, *devs;
50:
1.9 markus 51: if ((r = sshpkt_get_cstring(ssh, &lang, NULL)) != 0 ||
52: (r = sshpkt_get_cstring(ssh, &devs, NULL)) != 0 ||
53: (r = sshpkt_get_end(ssh)) != 0)
1.12 djm 54: fatal_fr(r, "parse packet");
1.1 markus 55:
56: debug("keyboard-interactive devs %s", devs);
57:
1.13 dtucker 58: if (options.kbd_interactive_authentication)
1.8 markus 59: authenticated = auth2_challenge(ssh, devs);
1.1 markus 60:
1.6 djm 61: free(devs);
62: free(lang);
1.1 markus 63: return authenticated;
64: }
1.2 markus 65:
66: Authmethod method_kbdint = {
1.15 ! djm 67: &methodcfg_kbdint,
1.2 markus 68: userauth_kbdint,
69: };