]> git.decadent.org.uk Git - nfs-utils.git/blobdiff - utils/gssd/context_heimdal.c
Merge branch 'upstream'
[nfs-utils.git] / utils / gssd / context_heimdal.c
index 27c44a32c50b758f73a38943228f8e7344e2ff78..ddf064d3974d537714c3d0ccb4f7ac3f4d3560eb 100644 (file)
@@ -1,5 +1,5 @@
 /*
-  Copyright (c) 2004 The Regents of the University of Michigan.
+  Copyright (c) 2004-2006 The Regents of the University of Michigan.
   All rights reserved.
 
   Redistribution and use in source and binary forms, with or without
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-#include "config.h"
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
 
+#ifndef HAVE_LUCID_CONTEXT_SUPPORT
 #ifdef HAVE_HEIMDAL
 
 #include <stdio.h>
 #include <syslog.h>
 #include <string.h>
 #include <errno.h>
-#include <gssapi.h>
 #include <krb5.h>
+#include <gssapi.h>    /* Must use the heimdal copy! */
+#ifdef HAVE_COM_ERR_H
 #include <com_err.h>
+#endif
 #include "err_util.h"
 #include "gss_oids.h"
 #include "write_bytes.h"
 
-#define MAX_CTX_LEN 4096
-
 int write_heimdal_keyblock(char **p, char *end, krb5_keyblock *key)
 {
        gss_buffer_desc tmp;
@@ -71,27 +74,32 @@ int write_heimdal_enc_key(char **p, char *end, gss_ctx_id_t ctx)
 
        if ((ret = krb5_init_context(&context))) {
                printerr(0, "ERROR: initializing krb5_context: %s\n",
-                       error_message(ret));
+                       gssd_k5_err_msg(NULL, ret));
                goto out_err;
        }
 
        if ((ret = krb5_auth_con_getlocalsubkey(context,
                                                ctx->auth_context, &key))){
                printerr(0, "ERROR: getting auth_context key: %s\n",
-                       error_message(ret));
+                       gssd_k5_err_msg(context, ret));
                goto out_err_free_context;
        }
 
        memset(&enc_key, 0, sizeof(enc_key));
-       printerr(1, "WARN: write_heimdal_enc_key: "
-                   "overriding heimdal keytype\n");
-       enc_key.keytype = 4 /* XXX XXX XXX XXX key->keytype */;
+       enc_key.keytype = key->keytype;
+       /* XXX current kernel code only handles des-cbc-raw  (4) */
+       if (enc_key.keytype != 4) {
+               printerr(1, "WARN: write_heimdal_enc_key: "
+                           "overriding heimdal keytype (%d => %d)\n",
+                        enc_key.keytype, 4);
+               enc_key.keytype = 4;
+       }
        enc_key.keyvalue.length = key->keyvalue.length;
        if ((enc_key.keyvalue.data =
                                calloc(1, enc_key.keyvalue.length)) == NULL) {
 
                printerr(0, "ERROR: allocating memory for enc key: %s\n",
-                       error_message(ENOMEM));
+                       gssd_k5_err_msg(context, ENOMEM));
                goto out_err_free_key;
        }
        skd = (char *) key->keyvalue.data;
@@ -124,20 +132,24 @@ int write_heimdal_seq_key(char **p, char *end, gss_ctx_id_t ctx)
 
        if ((ret = krb5_init_context(&context))) {
                printerr(0, "ERROR: initializing krb5_context: %s\n",
-                       error_message(ret));
+                       gssd_k5_err_msg(NULL, ret));
                goto out_err;
        }
 
        if ((ret = krb5_auth_con_getlocalsubkey(context,
                                                ctx->auth_context, &key))){
                printerr(0, "ERROR: getting auth_context key: %s\n",
-                       error_message(ret));
+                       gssd_k5_err_msg(context, ret));
                goto out_err_free_context;
        }
 
-       printerr(1, "WARN: write_heimdal_seq_key: "
-                   "overriding heimdal keytype\n");
-       key->keytype = 4;       /* XXX XXX XXX XXX XXX */
+       /* XXX current kernel code only handles des-cbc-raw  (4) */
+       if (key->keytype != 4) {
+               printerr(1, "WARN: write_heimdal_seq_key: "
+                           "overriding heimdal keytype (%d => %d)\n",
+                        key->keytype, 4);
+               key->keytype = 4;
+       }
 
        if (write_heimdal_keyblock(p, end, key)) {
                goto out_err_free_key;
@@ -188,7 +200,7 @@ int write_heimdal_seq_key(char **p, char *end, gss_ctx_id_t ctx)
  */
 
 int
-serialize_krb5_ctx(gss_ctx_id_t ctx, gss_buffer_desc *buf)
+serialize_krb5_ctx(gss_ctx_id_t ctx, gss_buffer_desc *buf, int32_t *endtime)
 {
 
        char *p, *end;
@@ -229,6 +241,9 @@ serialize_krb5_ctx(gss_ctx_id_t ctx, gss_buffer_desc *buf)
        /* endtime */
        if (WRITE_BYTES(&p, end, ctx->lifetime)) goto out_err;
 
+       if (endtime)
+               *endtime = ctx->lifetime;
+
        /* seq_send */
        if (WRITE_BYTES(&p, end, ctx->auth_context->local_seqnumber))
                goto out_err;
@@ -254,3 +269,4 @@ out_err:
 }
 
 #endif /* HAVE_HEIMDAL */
+#endif /* HAVE_LUCID_CONTEXT_SUPPORT */