1 files changed, 82 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/rd_err.c b/crypto/kerberosIV/lib/krb/rd_err.c
new file mode 100644
index 0000000..3382eab
--- /dev/null
+++ b/crypto/kerberosIV/lib/krb/rd_err.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 1995, 1996, 1997 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the Kungliga Tekniska
+ *      Högskolan and its contributors.
+ * 
+ * 4. 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 "krb_locl.h"
+
+RCSID("$Id: rd_err.c,v 1.8 1997/04/01 08:18:40 joda Exp $");
+
+/*
+ * Given an AUTH_MSG_APPL_ERR message, "in" and its length "in_length",
+ * return the error code from the message in "code" and the text in
+ * "m_data" as follows:
+ *
+ *	m_data->app_data	points to the error text
+ *	m_data->app_length	points to the length of the error text
+ *
+ * If all goes well, return RD_AP_OK.  If the version number
+ * is wrong, return RD_AP_VERSION, and if it's not an AUTH_MSG_APPL_ERR
+ * type message, return RD_AP_MSG_TYPE.
+ *
+ * The AUTH_MSG_APPL_ERR message format can be found in mk_err.c
+ */
+
+int
+krb_rd_err(u_char *in, u_int32_t in_length, int32_t *code, MSG_DAT *m_data)
+{
+    unsigned char *p = (unsigned char*)in;
+    
+    unsigned char pvno, type;
+    int little_endian;
+
+    pvno = *p++;
+    if(pvno != KRB_PROT_VERSION)
+	return RD_AP_VERSION;
+    
+    type = *p++;
+    little_endian = type & 1;
+    type &= ~1;
+    
+    if(type != AUTH_MSG_APPL_ERR)
+	return RD_AP_MSG_TYPE;
+    
+    p += krb_get_int(p, (u_int32_t *)&code, 4, little_endian);
+    
+    m_data->app_data = p;
+    m_data->app_length = in_length; /* XXX is this correct? */
+    return KSUCCESS;
+}