/* * 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 $"); #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 */