new files

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1329 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/mk_priv.c

@@ -0,0 +1,58 @@
+#include <krb5_locl.h>
+
+RCSID("$Id$");
+
+krb5_error_code
+krb5_mk_priv(krb5_context context,
+	     krb5_auth_context auth_context,
+	     const krb5_data *userdata,
+	     krb5_data *outbuf,
+	     /*krb5_replay_data*/ void *outdata)
+{
+  krb5_error_code r;
+  KRB_PRIV s;
+  EncKrbPrivPart part;
+  struct timeval tv;
+  unsigned usec;
+  krb5_addresses addr;
+  u_char buf[1024];
+  int len;
+
+  r = krb5_get_all_client_addrs (&addr);
+  if (r)
+    return r;
+
+  part.user_data = *userdata;
+  gettimeofday (&tv, NULL);
+  usec = tv.tv_usec;
+  part.timestamp  = &tv.tv_sec;
+  part.usec       = &usec;
+  part.seq_number = NULL;
+  part.s_address.addr_type = addr.addrs[0].type;
+  part.s_address.address   = addr.addrs[0].address;
+  part.r_address = NULL;
+
+  len = encode_EncKrbPrivPart (buf + sizeof(buf) - 1, sizeof(buf), &part);
+  if (len < 0)
+    return ASN1_PARSE_ERROR;
+
+  s.pvno = 5;
+  s.msg_type = krb_priv;
+  s.enc_part.etype = ETYPE_DES_CBC_CRC;
+  s.enc_part.kvno = NULL;
+
+  r = krb5_encrypt (context, buf + sizeof(buf) - len, len,
+		    &auth_context->key, &s.enc_part.cipher);
+  if (r)
+    return r;
+
+  len = encode_KRB_PRIV (buf + sizeof(buf) - 1, sizeof(buf), &s);
+  if (len < 0)
+    return ASN1_PARSE_ERROR;
+  outbuf->length = len;
+  outbuf->data   = malloc (len);
+  if (outbuf->data == NULL)
+    return ENOMEM;
+  memcpy (outbuf->data, buf + sizeof(buf) - len, len);
+  return 0;
+}