Combine the related code into one file

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@23537 dc483132-0cff-0310-8789-dd5450dbe970

1 files changed, 110 insertions, 0 deletions

diff --git a/src/lib/crypto/krb/enctype_util.c b/src/lib/crypto/krb/enctype_util.c
new file mode 100644
index 0000000..dd1a388
--- /dev/null
+++ b/src/lib/crypto/krb/enctype_util.c
@@ -0,0 +1,110 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+ * lib/crypto/krb/enctype_util.c
+ *
+ * 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.
+ *
+ *
+ * krb5int_c_valid_enctype()
+ * krb5int_c_weak_enctype()
+ * krb5_c_enctype_compare()
+ * krb5_string_to_enctype()
+ * krb5_enctype_to_string()
+ */
+
+#include "k5-int.h"
+#include "etypes.h"
+
+krb5_boolean KRB5_CALLCONV
+krb5_c_valid_enctype(krb5_enctype etype)
+{
+    return (find_enctype(etype) != NULL);
+}
+
+krb5_boolean KRB5_CALLCONV
+krb5int_c_weak_enctype(krb5_enctype etype)
+{
+    const struct krb5_keytypes *ktp;
+
+    ktp = find_enctype(etype);
+    return (ktp != NULL && (ktp->flags & ETYPE_WEAK) != 0);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_c_enctype_compare(krb5_context context, krb5_enctype e1, krb5_enctype e2,
+                       krb5_boolean *similar)
+{
+    const struct krb5_keytypes *ktp1, *ktp2;
+
+    ktp1 = find_enctype(e1);
+    ktp2 = find_enctype(e2);
+    if (ktp1 == NULL || ktp2 == NULL)
+        return KRB5_BAD_ENCTYPE;
+
+    *similar = (ktp1->enc == ktp2->enc && ktp1->str2key == ktp2->str2key);
+    return 0;
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_string_to_enctype(char *string, krb5_enctype *enctypep)
+{
+    int i;
+    unsigned int j;
+    const char *alias;
+    const struct krb5_keytypes *ktp;
+
+    for (i = 0; i < krb5int_enctypes_length; i++) {
+        ktp = &krb5int_enctypes_list[i];
+        if (strcasecmp(ktp->name, string) == 0) {
+            *enctypep = ktp->etype;
+            return 0;
+        }
+#define MAX_ALIASES (sizeof(ktp->aliases) / sizeof(ktp->aliases[0]))
+        for (j = 0; j < MAX_ALIASES; j++) {
+            alias = ktp->aliases[j];
+            if (alias == NULL)
+                break;
+            if (strcasecmp(alias, string) == 0) {
+                *enctypep = ktp->etype;
+                return 0;
+            }
+        }
+    }
+
+    return EINVAL;
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_enctype_to_string(krb5_enctype enctype, char *buffer, size_t buflen)
+{
+    const struct krb5_keytypes *ktp;
+
+    ktp = find_enctype(enctype);
+    if (ktp == NULL)
+        return EINVAL;
+    if (strlcpy(buffer, ktp->out_string, buflen) >= buflen)
+        return ENOMEM;
+    return 0;
+}