- itojun@cvs.openbsd.org 2002/09/09 06:48:06

     [auth1.c auth.h auth-krb5.c monitor.c monitor.h]
     [monitor_wrap.c monitor_wrap.h]
     kerberos support for privsep.  confirmed to work by lha@stacken.kth.se
     patch from markus

1 files changed, 44 insertions, 1 deletions

diff --git a/monitor.c b/monitor.c
index e039f7a2..562efcaf 100644
--- a/monitor.c
+++ b/monitor.c
@@ -25,7 +25,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: monitor.c,v 1.24 2002/08/29 15:57:25 stevesk Exp $");
+RCSID("$OpenBSD: monitor.c,v 1.25 2002/09/09 06:48:06 itojun Exp $");
 
 #include <openssl/dh.h>
 
@@ -120,6 +120,10 @@ int mm_answer_sessid(int, Buffer *);
 int mm_answer_pam_start(int, Buffer *);
 #endif
 
+#ifdef KRB5
+int mm_answer_krb5(int, Buffer *);
+#endif
+
 static Authctxt *authctxt;
 static BIGNUM *ssh1_challenge = NULL;	/* used for ssh1 rsa auth */
 
@@ -199,6 +203,9 @@ struct mon_table mon_dispatch_proto15[] = {
 #ifdef USE_PAM
     {MONITOR_REQ_PAM_START, MON_ONCE, mm_answer_pam_start},
 #endif
+#ifdef KRB5
+    {MONITOR_REQ_KRB5, MON_ONCE|MON_AUTH, mm_answer_krb5},
+#endif
     {0, 0, NULL}
 };
 
@@ -1277,6 +1284,42 @@ mm_answer_rsa_response(int socket, Buffer *m)
 	return (success);
 }
 
+
+#ifdef KRB5
+int
+mm_answer_krb5(int socket, Buffer *m)
+{
+	krb5_data tkt, reply;
+	char *client_user;
+	u_int len;
+	int success;
+
+	/* use temporary var to avoid size issues on 64bit arch */
+	tkt.data = buffer_get_string(m, &len);
+	tkt.length = len;
+
+	success = auth_krb5(authctxt, &tkt, &client_user, &reply);
+
+	if (tkt.length)
+		xfree(tkt.data);
+
+	buffer_clear(m);
+	buffer_put_int(m, success);
+
+	if (success) {
+		buffer_put_cstring(m, client_user);
+		buffer_put_string(m, reply.data, reply.length);
+		if (client_user)
+			xfree(client_user);
+		if (reply.length)
+			xfree(reply.data);
+	}
+	mm_request_send(socket, MONITOR_ANS_KRB5, m);
+
+	return success;
+}
+#endif
+
 int
 mm_answer_term(int socket, Buffer *req)
 {