1 files changed, 390 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 000000000000..b5bb280833fa
--- /dev/null
+++ b/src/lib/crypto/krb/old_api_glue.c
@@ -0,0 +1,390 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+ * 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 "crypto_int.h"
+
+/*
+ * The following functions were removed from the API in krb5 1.3 but
+ * still need to be exported for ABI compatibility.  The other
+ * functions defined in this file are still in the API (and thus
+ * prototyped in krb5.hin) but are deprecated.
+ */
+krb5_boolean KRB5_CALLCONV valid_enctype(krb5_enctype ktype);
+krb5_boolean KRB5_CALLCONV valid_cksumtype(krb5_cksumtype ctype);
+krb5_boolean KRB5_CALLCONV is_coll_proof_cksum(krb5_cksumtype ctype);
+krb5_boolean KRB5_CALLCONV is_keyed_cksum(krb5_cksumtype ctype);
+krb5_error_code KRB5_CALLCONV krb5_random_confounder(size_t, krb5_pointer);
+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 krb5_decrypt_data(krb5_context context, krb5_keyblock *key,
+                                  krb5_pointer ivec, krb5_enc_data *data,
+                                  krb5_data *enc_data);
+
+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) {
+        ret = krb5_c_block_size(context, eblock->key->enctype, &blocksize);
+        if (ret)
+            return ret;
+
+        ivecd = make_data(ivec, blocksize);
+    }
+
+    /* size is the length of the input cleartext data. */
+    inputd = make_data((void *) inptr, size);
+
+    /*
+     * 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.
+     */
+    ret = krb5_c_encrypt_length(context, eblock->key->enctype, size, &outlen);
+    if (ret)
+        return ret;
+
+    outputd.ciphertext = make_data(outptr, outlen);
+
+    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) {
+        ret = krb5_c_block_size(context, eblock->key->enctype, &blocksize);
+        if (ret)
+            return ret;
+
+        ivecd = make_data(ivec, blocksize);
+    }
+
+    /* size is the length of the input ciphertext data */
+    inputd.enctype = eblock->key->enctype;
+    inputd.ciphertext = make_data((void *) inptr, size);
+
+    /* 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 = make_data(outptr, size);
+
+    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 = make_data(keyblock->contents, keyblock->length);
+
+    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;
+
+    *keyblock = NULL;
+
+    key = malloc(sizeof(krb5_keyblock));
+    if (key == NULL)
+        return ENOMEM;
+
+    ret = krb5_c_make_random_key(context, eblock->crypto_entry, key);
+    if (ret) {
+        free(key);
+        return ret;
+    }
+
+    *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(NULL, crypto, length, &ret))
+        return (size_t) -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 (size_t) -1; /* XXX */
+
+    return ret;
+}
+
+/* Guess the enctype for an untyped key used with checksum type ctype. */
+static krb5_enctype
+guess_enctype(krb5_cksumtype ctype)
+{
+    const struct krb5_cksumtypes *ctp;
+    int i;
+
+    if (ctype == CKSUMTYPE_HMAC_MD5_ARCFOUR)
+        return ENCTYPE_ARCFOUR_HMAC;
+    ctp = find_cksumtype(ctype);
+    if (ctp == NULL || ctp->enc == NULL)
+        return 0;
+    for (i = 0; i < krb5int_enctypes_length; i++) {
+        if (krb5int_enctypes_list[i].enc == ctp->enc)
+            return i;
+    }
+    return 0;
+}
+
+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 = make_data((void *) in, in_length);
+    krb5_keyblock keyblock, *kptr = NULL;
+    krb5_error_code ret;
+    krb5_checksum cksum;
+
+    if (seed != NULL) {
+        keyblock.enctype = guess_enctype(ctype);
+        keyblock.length = seed_length;
+        keyblock.contents = (unsigned char *) seed;
+        kptr = &keyblock;
+    }
+
+    ret = krb5_c_make_checksum(context, ctype, kptr, 0, &input, &cksum);
+    if (ret)
+        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 = make_data((void *) in, in_length);
+    krb5_keyblock keyblock, *kptr = NULL;
+    krb5_error_code ret;
+    krb5_boolean valid;
+
+    if (seed != NULL) {
+        keyblock.enctype = guess_enctype(ctype);
+        keyblock.length = seed_length;
+        keyblock.contents = (unsigned char *) seed;
+        kptr = &keyblock;
+    }
+
+    ret = krb5_c_verify_checksum(context, kptr, 0, &input, cksum, &valid);
+    if (ret)
+        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 = make_data(ptr, size);
+
+    return krb5_c_random_make_octets(NULL, &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;
+
+    ret = krb5_c_encrypt_length(context, key->enctype, data->length, &enclen);
+    if (ret)
+        return ret;
+
+    if (ivec) {
+        ret = krb5_c_block_size(context, key->enctype, &blocksize);
+        if (ret)
+            return ret;
+
+        ivecd = make_data(ivec, blocksize);
+    }
+
+    enc_data->magic = KV5M_ENC_DATA;
+    enc_data->kvno = 0;
+    enc_data->enctype = key->enctype;
+    ret = alloc_data(&enc_data->ciphertext, enclen);
+    if (ret)
+        return ret;
+
+    ret = krb5_c_encrypt(context, key, 0, ivec ? &ivecd : 0, data, enc_data);
+    if (ret)
+        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) {
+        ret = krb5_c_block_size(context, key->enctype, &blocksize);
+        if (ret)
+            return ret;
+
+        ivecd = make_data(ivec, blocksize);
+    }
+
+    ret = alloc_data(data, enc_data->ciphertext.length);
+    if (ret)
+        return ret;
+
+    ret = krb5_c_decrypt(context, key, 0, ivec ? &ivecd : 0, enc_data, data);
+    if (ret)
+        free(data->data);
+
+    return 0;
+}
+
+krb5_boolean KRB5_CALLCONV
+valid_cksumtype(krb5_cksumtype ctype)
+{
+    return krb5_c_valid_cksumtype(ctype);
+}
+
+krb5_boolean KRB5_CALLCONV
+is_keyed_cksum(krb5_cksumtype ctype)
+{
+    return krb5_c_is_keyed_cksum(ctype);
+}
+
+krb5_boolean KRB5_CALLCONV
+is_coll_proof_cksum(krb5_cksumtype ctype)
+{
+    return krb5_c_is_coll_proof_cksum(ctype);
+}
+
+krb5_boolean KRB5_CALLCONV
+valid_enctype(krb5_enctype etype)
+{
+    return krb5_c_valid_enctype(etype);
+}