Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 117 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/krb5/mk_error.c b/third_party/heimdal/lib/krb5/mk_error.c
new file mode 100644
index 0000000..3791fe7
--- /dev/null
+++ b/third_party/heimdal/lib/krb5/mk_error.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "krb5_locl.h"
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_mk_error_ext(krb5_context context,
+		  krb5_error_code error_code,
+		  const char *e_text,
+		  const krb5_data *e_data,
+		  const krb5_principal server,
+		  const PrincipalName *client_name,
+		  const Realm *client_realm,
+		  time_t *client_time,
+		  int *client_usec,
+		  krb5_data *reply)
+{
+    const char *e_text2 = NULL;
+    KRB_ERROR msg;
+    krb5_timestamp sec;
+    int32_t usec;
+    size_t len = 0;
+    krb5_error_code ret = 0;
+
+    krb5_us_timeofday (context, &sec, &usec);
+
+    memset(&msg, 0, sizeof(msg));
+    msg.pvno     = 5;
+    msg.msg_type = krb_error;
+    msg.stime    = sec;
+    msg.susec    = usec;
+    msg.ctime    = client_time;
+    msg.cusec    = client_usec;
+    /* Make sure we only send `protocol' error codes */
+    if(error_code < KRB5KDC_ERR_NONE || error_code >= KRB5_ERR_RCSID) {
+	if(e_text == NULL)
+	    e_text = e_text2 = krb5_get_error_message(context, error_code);
+	error_code = KRB5KRB_ERR_GENERIC;
+    }
+    msg.error_code = error_code - KRB5KDC_ERR_NONE;
+    if (e_text)
+	msg.e_text = rk_UNCONST(&e_text);
+    if (e_data)
+	msg.e_data = rk_UNCONST(e_data);
+    if(server){
+	msg.realm = server->realm;
+	msg.sname = server->name;
+    }else{
+	static const char unspec[] = "<unspecified realm>";
+	msg.realm = rk_UNCONST(unspec);
+    }
+    msg.crealm = rk_UNCONST(client_realm);
+    msg.cname = rk_UNCONST(client_name);
+
+    ASN1_MALLOC_ENCODE(KRB_ERROR, reply->data, reply->length, &msg, &len, ret);
+    if (e_text2)
+	krb5_free_error_message(context, e_text2);
+    if (ret)
+	return ret;
+    if(reply->length != len)
+	krb5_abortx(context, "internal error in ASN.1 encoder");
+    return 0;
+}
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+krb5_mk_error(krb5_context context,
+	      krb5_error_code error_code,
+	      const char *e_text,
+	      const krb5_data *e_data,
+	      const krb5_principal client,
+	      const krb5_principal server,
+	      time_t *client_time,
+	      int *client_usec,
+	      krb5_data *reply)
+{
+    const PrincipalName *client_name = NULL;
+    const Realm *client_realm = NULL;
+
+    if (client) {
+	client_realm = &client->realm;
+	client_name = &client->name;
+    }
+
+    return krb5_mk_error_ext(context, error_code, e_text, e_data,
+			     server, client_name, client_realm,
+			     client_time, client_usec, reply);
+}