X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/1720c23bf3e5f30d1c94abd1128e71e957e1a641..cc52586e104fe3deb7294703536945a32534fcb9:/gss-serv.c

diff --git a/gss-serv.c b/gss-serv.c
index 56e33d6a..2ec7ea19 100644
--- a/gss-serv.c
+++ b/gss-serv.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: gss-serv.c,v 1.14 2006/02/08 13:15:44 stevesk Exp $	*/
+/* $OpenBSD: gss-serv.c,v 1.22 2008/05/08 12:02:23 djm Exp $ */
 
 /*
  * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
@@ -28,14 +28,23 @@
 
 #ifdef GSSAPI
 
-#include "bufaux.h"
+#include <sys/types.h>
+#include <sys/param.h>
+
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "openbsd-compat/sys-queue.h"
+#include "xmalloc.h"
+#include "buffer.h"
+#include "key.h"
+#include "hostfile.h"
 #include "auth.h"
 #include "log.h"
 #include "channels.h"
 #include "session.h"
-#include "servconf.h"
-#include "xmalloc.h"
-#include "getput.h"
+#include "misc.h"
 
 #include "ssh-gss.h"
 
@@ -57,6 +66,53 @@ ssh_gssapi_mech* supported_mechs[]= {
 	&gssapi_null_mech,
 };
 
+
+/*
+ * Acquire credentials for a server running on the current host.
+ * Requires that the context structure contains a valid OID
+ */
+
+/* Returns a GSSAPI error code */
+/* Privileged (called from ssh_gssapi_server_ctx) */
+static OM_uint32
+ssh_gssapi_acquire_cred(Gssctxt *ctx)
+{
+	OM_uint32 status;
+	char lname[MAXHOSTNAMELEN];
+	gss_OID_set oidset;
+
+	gss_create_empty_oid_set(&status, &oidset);
+	gss_add_oid_set_member(&status, ctx->oid, &oidset);
+
+	if (gethostname(lname, MAXHOSTNAMELEN)) {
+		gss_release_oid_set(&status, &oidset);
+		return (-1);
+	}
+
+	if (GSS_ERROR(ssh_gssapi_import_name(ctx, lname))) {
+		gss_release_oid_set(&status, &oidset);
+		return (ctx->major);
+	}
+
+	if ((ctx->major = gss_acquire_cred(&ctx->minor,
+	    ctx->name, 0, oidset, GSS_C_ACCEPT, &ctx->creds, NULL, NULL)))
+		ssh_gssapi_error(ctx);
+
+	gss_release_oid_set(&status, &oidset);
+	return (ctx->major);
+}
+
+/* Privileged */
+OM_uint32
+ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID oid)
+{
+	if (*ctx)
+		ssh_gssapi_delete_ctx(ctx);
+	ssh_gssapi_build_ctx(ctx);
+	ssh_gssapi_set_oid(*ctx, oid);
+	return (ssh_gssapi_acquire_cred(*ctx));
+}
+
 /* Unprivileged */
 void
 ssh_gssapi_supported_oids(gss_OID_set *oidset)
@@ -78,6 +134,8 @@ ssh_gssapi_supported_oids(gss_OID_set *oidset)
 			    &supported_mechs[i]->oid, oidset);
 		i++;
 	}
+
+	gss_release_oid_set(&min_status, &supported);
 }
 
 
@@ -151,7 +209,7 @@ ssh_gssapi_parse_ename(Gssctxt *ctx, gss_buffer_t ename, gss_buffer_t name)
 	 * second without.
 	 */
 
-	oidl = GET_16BIT(tok+2); /* length including next two bytes */
+	oidl = get_u16(tok+2); /* length including next two bytes */
 	oidl = oidl-2; /* turn it into the _real_ length of the variable OID */
 
 	/*
@@ -168,7 +226,7 @@ ssh_gssapi_parse_ename(Gssctxt *ctx, gss_buffer_t ename, gss_buffer_t name)
 	if (ename->length < offset+4)
 		return GSS_S_FAILURE;
 
-	name->length = GET_32BIT(tok+offset);
+	name->length = get_u32(tok+offset);
 	offset += 4;
 
 	if (ename->length < offset+name->length)