1 files changed, 328 insertions, 0 deletions

diff --git a/src/lib/crypto/krb/old_api_glue.c b/src/lib/crypto/krb/old_api_glue.c
new file mode 100644
index 0000000..4db0c33
--- /dev/null
+++ b/src/lib/crypto/krb/old_api_glue.c
@@ -0,0 +1,328 @@
+/*
+ * Copyright (C) 1998 by the FundsXpress, INC.
+ * 
+ * All rights reserved.
+ * 
+ * Export of this software from the United States of America may require
+ * a specific license from the United States Government.  It is the
+ * responsibility of any person or organization contemplating export to
+ * obtain such a license before exporting.
+ * 
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of FundsXpress. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  FundsXpress makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ * 
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include "k5-int.h"
+
+krb5_error_code KRB5_CALLCONV
+krb5_encrypt(krb5_context context, krb5_const_pointer inptr,
+	     krb5_pointer outptr, size_t size, krb5_encrypt_block *eblock,
+	     krb5_pointer ivec)
+{
+    krb5_data inputd, ivecd;
+    krb5_enc_data outputd;
+    size_t blocksize, outlen;
+    krb5_error_code ret;
+
+    if (ivec) {
+	if ((ret = krb5_c_block_size(context, eblock->key->enctype, &blocksize)))
+	    return(ret);
+
+	ivecd.length = blocksize;
+	ivecd.data = ivec;
+    }
+
+    /* size is the length of the input cleartext data */
+    inputd.length = size;
+    inputd.data = inptr;
+
+    /* The size of the output buffer isn't part of the old api.  Not too
+       safe.  So, we assume here that it's big enough. */
+    if ((ret = krb5_c_encrypt_length(context, eblock->key->enctype, size,
+				     &outlen)))
+	return(ret);
+
+    outputd.ciphertext.length = outlen;
+    outputd.ciphertext.data = outptr;
+
+    return(krb5_c_encrypt(context, eblock->key, 0, ivec?&ivecd:0,
+			  &inputd, &outputd));
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_decrypt(krb5_context context, krb5_const_pointer inptr,
+	     krb5_pointer outptr, size_t size, krb5_encrypt_block *eblock,
+	     krb5_pointer ivec)
+{
+    krb5_enc_data inputd;
+    krb5_data outputd, ivecd;
+    size_t blocksize;
+    krb5_error_code ret;
+
+    if (ivec) {
+	if ((ret = krb5_c_block_size(context, eblock->key->enctype, &blocksize)))
+	    return(ret);
+
+	ivecd.length = blocksize;
+	ivecd.data = ivec;
+    }
+
+    /* size is the length of the input ciphertext data */
+    inputd.enctype = eblock->key->enctype;
+    inputd.ciphertext.length = size;
+    inputd.ciphertext.data = inptr;
+
+    /* we don't really know how big this is, but the code tends to assume
+       that the output buffer size should be the same as the input
+       buffer size */
+    outputd.length = size;
+    outputd.data = outptr;
+
+    return(krb5_c_decrypt(context, eblock->key, 0, ivec?&ivecd:0,
+			  &inputd, &outputd));
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_process_key(krb5_context context, krb5_encrypt_block *eblock,
+		 const krb5_keyblock *key)
+{
+    eblock->key = (krb5_keyblock *) key;
+
+    return(0);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_finish_key(krb5_context context, krb5_encrypt_block *eblock)
+{
+    return(0);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_string_to_key(krb5_context context, const krb5_encrypt_block *eblock,
+		   krb5_keyblock *keyblock, const krb5_data *data,
+		   const krb5_data *salt)
+{
+    return(krb5_c_string_to_key(context, eblock->crypto_entry, data, salt,
+				keyblock));
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_init_random_key(krb5_context context, const krb5_encrypt_block *eblock,
+		     const krb5_keyblock *keyblock, krb5_pointer *ptr)
+{
+    krb5_data data;
+
+    data.length = keyblock->length;
+    data.data = (char *) keyblock->contents;
+
+    return(krb5_c_random_seed(context, &data));
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_finish_random_key(krb5_context context, const krb5_encrypt_block *eblock,
+		       krb5_pointer *ptr)
+{
+    return(0);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_random_key(krb5_context context, const krb5_encrypt_block *eblock,
+		krb5_pointer ptr, krb5_keyblock **keyblock)
+{
+    krb5_keyblock *key;
+    krb5_error_code ret;
+
+    if ((key = (krb5_keyblock *) malloc(sizeof(krb5_keyblock))) == NULL)
+	return(ENOMEM);
+
+    if ((ret = krb5_c_make_random_key(context, eblock->crypto_entry, key))) {
+	free(key);
+	key = NULL;
+    }
+
+    *keyblock = key;
+
+    return(ret);
+}
+
+krb5_enctype KRB5_CALLCONV
+krb5_eblock_enctype(krb5_context context, const krb5_encrypt_block *eblock)
+{
+    return(eblock->crypto_entry);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_use_enctype(krb5_context context, krb5_encrypt_block *eblock,
+		 krb5_enctype enctype)
+{
+    eblock->crypto_entry = enctype;
+
+    return(0);
+}
+
+size_t KRB5_CALLCONV
+krb5_encrypt_size(size_t length, krb5_enctype crypto)
+{
+    size_t ret;
+
+    if (krb5_c_encrypt_length(/* XXX */ 0, crypto, length, &ret))
+	return(-1); /* XXX */
+
+    return(ret);
+}
+
+size_t KRB5_CALLCONV
+krb5_checksum_size(krb5_context context, krb5_cksumtype ctype)
+{
+    size_t ret;
+
+    if (krb5_c_checksum_length(context, ctype, &ret))
+	return(-1); /* XXX */
+
+    return(ret);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_calculate_checksum(krb5_context context, krb5_cksumtype ctype,
+			krb5_const_pointer in, size_t in_length,
+			krb5_const_pointer seed, size_t seed_length,
+			krb5_checksum *outcksum)
+{
+    krb5_data input;
+    krb5_keyblock key;
+    krb5_error_code ret;
+    krb5_checksum cksum;
+
+    input.data = in;
+    input.length = in_length;
+
+    key.length = seed_length;
+    key.contents = seed;
+
+    if ((ret = krb5_c_make_checksum(context, ctype, &key, 0, &input, &cksum)))
+	return(ret);
+
+    if (outcksum->length < cksum.length) {
+	memset(cksum.contents, 0, cksum.length);
+	free(cksum.contents);
+	return(KRB5_BAD_MSIZE);
+    }
+
+    outcksum->magic = cksum.magic;
+    outcksum->checksum_type = cksum.checksum_type;
+    memcpy(outcksum->contents, cksum.contents, cksum.length);
+    outcksum->length = cksum.length;
+
+    free(cksum.contents);
+    
+    return(0);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_verify_checksum(krb5_context context, krb5_cksumtype ctype,
+		     const krb5_checksum *cksum, krb5_const_pointer in,
+		     size_t in_length, krb5_const_pointer seed,
+		     size_t seed_length)
+{
+    krb5_data input;
+    krb5_keyblock key;
+    krb5_error_code ret;
+    krb5_boolean valid;
+
+    input.data = in;
+    input.length = in_length;
+
+    key.length = seed_length;
+    key.contents = seed;
+
+    if ((ret = krb5_c_verify_checksum(context, &key, 0, &input, cksum,
+				      &valid)))
+	return(ret);
+
+    if (!valid)
+	return(KRB5KRB_AP_ERR_BAD_INTEGRITY);
+
+    return(0);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_random_confounder(size_t size, krb5_pointer ptr)
+{
+    krb5_data random_data;
+
+    random_data.length = size;
+    random_data.data = ptr;
+
+    return(krb5_c_random_make_octets(/* XXX */ 0, &random_data));
+}
+
+krb5_error_code krb5_encrypt_data(krb5_context context, krb5_keyblock *key,
+				  krb5_pointer ivec, krb5_data *data,
+				  krb5_enc_data *enc_data)
+{
+    krb5_error_code ret;
+    size_t enclen, blocksize;
+    krb5_data ivecd;
+
+    if ((ret = krb5_c_encrypt_length(context, key->enctype, data->length,
+				     &enclen)))
+	return(ret);
+
+    if (ivec) {
+	if ((ret = krb5_c_block_size(context, key->enctype, &blocksize)))
+	    return(ret);
+
+	ivecd.length = blocksize;
+	ivecd.data = ivec;
+    }
+
+    enc_data->magic = KV5M_ENC_DATA;
+    enc_data->kvno = 0;
+    enc_data->enctype = key->enctype;
+    enc_data->ciphertext.length = enclen;
+    if ((enc_data->ciphertext.data = malloc(enclen)) == NULL)
+	return(ENOMEM);
+
+    if ((ret = krb5_c_encrypt(context, key, 0, ivec?&ivecd:0, data, enc_data)))
+	free(enc_data->ciphertext.data);
+
+    return(ret);
+}
+
+krb5_error_code krb5_decrypt_data(krb5_context context, krb5_keyblock *key,
+				  krb5_pointer ivec, krb5_enc_data *enc_data,
+				  krb5_data *data)
+{
+    krb5_error_code ret;
+    krb5_data ivecd;
+    size_t blocksize;
+
+    if (ivec) {
+	if ((ret = krb5_c_block_size(context, key->enctype, &blocksize)))
+	    return(ret);
+
+	ivecd.length = blocksize;
+	ivecd.data = ivec;
+    }
+
+    data->length = enc_data->ciphertext.length;
+    if ((data->data = (char *) malloc(data->length)) == NULL)
+	return(ENOMEM);
+
+    if ((ret = krb5_c_decrypt(context, key, 0, ivec?&ivecd:0, enc_data, data)))
+	free(data->data);
+
+    return(0);
+}