diff options
Diffstat (limited to 'usr/src/cmd/ssh/sshd/auth-skey.c')
| -rw-r--r-- | usr/src/cmd/ssh/sshd/auth-skey.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/usr/src/cmd/ssh/sshd/auth-skey.c b/usr/src/cmd/ssh/sshd/auth-skey.c new file mode 100644 index 0000000000..67ed5a6434 --- /dev/null +++ b/usr/src/cmd/ssh/sshd/auth-skey.c @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2001 Markus Friedl. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "includes.h" +RCSID("$OpenBSD: auth-skey.c,v 1.20 2002/06/30 21:59:45 deraadt Exp $"); + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef SKEY + +#include <skey.h> + +#include "xmalloc.h" +#include "auth.h" +#include "monitor_wrap.h" + +static void * +skey_init_ctx(Authctxt *authctxt) +{ + return authctxt; +} + +int +skey_query(void *ctx, char **name, char **infotxt, + u_int* numprompts, char ***prompts, u_int **echo_on) +{ + Authctxt *authctxt = ctx; + char challenge[1024], *p; + int len; + struct skey skey; + + if (skeychallenge(&skey, authctxt->user, challenge) == -1) + return -1; + + *name = xstrdup(""); + *infotxt = xstrdup(""); + *numprompts = 1; + *prompts = xmalloc(*numprompts * sizeof(char *)); + *echo_on = xmalloc(*numprompts * sizeof(u_int)); + (*echo_on)[0] = 0; + + len = strlen(challenge) + strlen(SKEY_PROMPT) + 1; + p = xmalloc(len); + strlcpy(p, challenge, len); + strlcat(p, SKEY_PROMPT, len); + (*prompts)[0] = p; + + return 0; +} + +int +skey_respond(void *ctx, u_int numresponses, char **responses) +{ + Authctxt *authctxt = ctx; + + if (authctxt->valid && + numresponses == 1 && + skey_haskey(authctxt->pw->pw_name) == 0 && + skey_passcheck(authctxt->pw->pw_name, responses[0]) != -1) + return 0; + return -1; +} + +static void +skey_free_ctx(void *ctx) +{ + /* we don't have a special context */ +} + +KbdintDevice skey_device = { + "skey", + skey_init_ctx, + skey_query, + skey_respond, + skey_free_ctx +}; + +KbdintDevice mm_skey_device = { + "skey", + skey_init_ctx, + mm_skey_query, + mm_skey_respond, + skey_free_ctx +}; +#endif /* SKEY */ |
