1 files changed, 107 insertions, 0 deletions
diff --git a/auth-skey.c b/auth-skey.c
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+++ b/auth-skey.c
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+/* $OpenBSD: auth-skey.c,v 1.27 2007/01/21 01:41:54 stevesk Exp $ */
+/*
+ * 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"
+
+#ifdef SKEY
+
+#include <sys/types.h>
+
+#include <pwd.h>
+#include <stdio.h>
+
+#include <skey.h>
+
+#include "xmalloc.h"
+#include "hostfile.h"
+#include "auth.h"
+#include "ssh-gss.h"
+#include "log.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];
+	struct skey skey;
+
+	if (_compat_skeychallenge(&skey, authctxt->user, challenge,
+	    sizeof(challenge)) == -1)
+		return -1;
+
+	*name = xstrdup("");
+	*infotxt = xstrdup("");
+	*numprompts = 1;
+	*prompts = xcalloc(*numprompts, sizeof(char *));
+	*echo_on = xcalloc(*numprompts, sizeof(u_int));
+
+	xasprintf(*prompts, "%s%s", challenge, SKEY_PROMPT);
+
+	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 */