From 60396b060b803fd2d20aa151dc0432a344f798b0 Mon Sep 17 00:00:00 2001
From: Damien Miller <djm@mindrot.org>
Date: Sun, 18 Feb 2001 17:01:00 +1100
Subject:  - (djm) Merge BSD_AUTH support from Markus Friedl and David J.
 MacKenzie    enable with --with-bsd-auth.

---
 auth-chall.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'auth-chall.c')

diff --git a/auth-chall.c b/auth-chall.c
index b6ec02a3..926c07ed 100644
--- a/auth-chall.c
+++ b/auth-chall.c
@@ -26,7 +26,48 @@
 RCSID("$OpenBSD: auth-chall.c,v 1.4 2001/02/04 15:32:22 stevesk Exp $");
 
 #include "auth.h"
+#include "log.h"
 
+#ifdef BSD_AUTH
+char *
+get_challenge(Authctxt *authctxt, char *devs)
+{
+	char *challenge;
+
+	if (authctxt->as != NULL) {
+		debug2("try reuse session");
+		challenge = auth_getitem(authctxt->as, AUTHV_CHALLENGE);
+		if (challenge != NULL) {
+			debug2("reuse bsd auth session");
+			return challenge;
+		}
+		auth_close(authctxt->as);
+		authctxt->as = NULL;
+	}
+	debug2("new bsd auth session");
+	if (devs == NULL || strlen(devs) == 0)
+		devs = authctxt->style;
+	debug3("bsd auth: devs %s", devs ? devs : "<default>");
+	authctxt->as = auth_userchallenge(authctxt->user, devs, "auth-ssh",
+	    &challenge);
+        if (authctxt->as == NULL)
+                return NULL;
+	debug2("get_challenge: <%s>", challenge ? challenge : "EMPTY");
+	return challenge;
+}
+int
+verify_response(Authctxt *authctxt, char *response)
+{
+	int authok;
+
+	if (authctxt->as == 0)
+		error("verify_response: no bsd auth session");
+	authok = auth_userresponse(authctxt->as, response, 0);
+	authctxt->as = NULL;
+	debug("verify_response: <%s> = <%d>", response, authok);
+	return authok != 0;
+}
+#else
 #ifdef SKEY
 #include <skey.h>
 
@@ -60,3 +101,4 @@ verify_response(Authctxt *authctxt, char *response)
 	return 0;
 }
 #endif
+#endif
-- 
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