/*
- * $Source$
- * $Author$
+ * lib/krb5/keytab/ktbase.c
*
* Copyright 1990 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
*
- * For copying and distribution information, please see the file
- * <krb5/copyright.h>.
+ * 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 M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission. Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is" without express
+ * or implied warranty.
+ *
*
* Registration functions for keytab.
*/
-#if !defined(lint) && !defined(SABER)
-static char rcsid_ktbase_c[] =
-"$Id$";
-#endif /* !lint & !SABER */
+#include "k5-int.h"
-#include <krb5/copyright.h>
-#include <krb5/krb5.h>
-#include <krb5/ext-proto.h>
+extern const krb5_kt_ops krb5_ktf_ops;
+extern const krb5_kt_ops krb5_ktf_writable_ops;
+extern const krb5_kt_ops krb5_kts_ops;
+
+struct krb5_kt_typelist {
+ const krb5_kt_ops *ops;
+ struct krb5_kt_typelist *next;
+};
+static struct krb5_kt_typelist krb5_kt_typelist_wrfile = {
+ &krb5_ktf_writable_ops,
+ 0
+};
+static struct krb5_kt_typelist krb5_kt_typelist_file = {
+ &krb5_ktf_ops,
+ &krb5_kt_typelist_wrfile
+};
+static struct krb5_kt_typelist krb5_kt_typelist_srvtab = {
+ &krb5_kts_ops,
+ &krb5_kt_typelist_file
+};
+static struct krb5_kt_typelist *kt_typehead = &krb5_kt_typelist_srvtab;
-struct krb5_kt_typelist
- {
- krb5_kt_ops *ops;
- struct krb5_kt_typelist *next;
- };
-static struct krb5_kt_typelist krb5_kt_typelist_dfl = { &krb5_kt_dfl_ops, 0 };
-static struct krb5_kt_typelist *kt_typehead = &krb5_kt_typelist_dfl;
/*
* Register a new key table type
* don't replace if it already exists; return an error instead.
*/
-krb5_error_code
-krb5_kt_register(ops)
-krb5_kt_ops *ops;
+krb5_error_code KRB5_CALLCONV
+krb5_kt_register(krb5_context context, krb5_kt_ops *ops)
{
struct krb5_kt_typelist *t;
for (t = kt_typehead;t && strcmp(t->ops->prefix,ops->prefix);t = t->next)
return KRB5_KT_TYPE_EXISTS;
}
if (!(t = (struct krb5_kt_typelist *) malloc(sizeof(*t))))
- return ENOMEM; /* XXX */
+ return ENOMEM;
t->next = kt_typehead;
t->ops = ops;
kt_typehead = t;
* particular keytab type.
*/
-krb5_error_code krb5_kt_resolve (name, ktid)
- char *name;
- krb5_keytab *ktid;
+krb5_error_code KRB5_CALLCONV
+krb5_kt_resolve (krb5_context context, const char *name, krb5_keytab *ktid)
{
struct krb5_kt_typelist *tlist;
- char *pfx, *resid, *cp;
- int pfxlen;
+ char *pfx;
+ unsigned int pfxlen;
+ const char *cp, *resid;
cp = strchr (name, ':');
- if (!cp)
- return KRB5_KT_BADNAME;
+ if (!cp) {
+ return (*krb5_kt_dfl_ops.resolve)(context, name, ktid);
+ }
pfxlen = cp - name;
resid = name + pfxlen + 1;
for (tlist = kt_typehead; tlist; tlist = tlist->next) {
if (strcmp (tlist->ops->prefix, pfx) == 0) {
free(pfx);
- return (*tlist->ops->resolve)(resid, ktid);
+ return (*tlist->ops->resolve)(context, resid, ktid);
}
}
free(pfx);
return KRB5_KT_UNKNOWN_TYPE;
}
+
+/*
+ * Routines to deal with externalizingt krb5_keytab.
+ * krb5_keytab_size();
+ * krb5_keytab_externalize();
+ * krb5_keytab_internalize();
+ */
+static krb5_error_code krb5_keytab_size
+ (krb5_context, krb5_pointer, size_t *);
+static krb5_error_code krb5_keytab_externalize
+ (krb5_context, krb5_pointer, krb5_octet **, size_t *);
+static krb5_error_code krb5_keytab_internalize
+ (krb5_context,krb5_pointer *, krb5_octet **, size_t *);
+
+/*
+ * Serialization entry for this type.
+ */
+static const krb5_ser_entry krb5_keytab_ser_entry = {
+ KV5M_KEYTAB, /* Type */
+ krb5_keytab_size, /* Sizer routine */
+ krb5_keytab_externalize, /* Externalize routine */
+ krb5_keytab_internalize /* Internalize routine */
+};
+
+static krb5_error_code
+krb5_keytab_size(krb5_context kcontext, krb5_pointer arg, size_t *sizep)
+{
+ krb5_error_code kret;
+ krb5_keytab keytab;
+ krb5_ser_handle shandle;
+
+ kret = EINVAL;
+ if ((keytab = (krb5_keytab) arg) &&
+ keytab->ops &&
+ (shandle = (krb5_ser_handle) keytab->ops->serializer) &&
+ shandle->sizer)
+ kret = (*shandle->sizer)(kcontext, arg, sizep);
+ return(kret);
+}
+
+static krb5_error_code
+krb5_keytab_externalize(krb5_context kcontext, krb5_pointer arg, krb5_octet **buffer, size_t *lenremain)
+{
+ krb5_error_code kret;
+ krb5_keytab keytab;
+ krb5_ser_handle shandle;
+
+ kret = EINVAL;
+ if ((keytab = (krb5_keytab) arg) &&
+ keytab->ops &&
+ (shandle = (krb5_ser_handle) keytab->ops->serializer) &&
+ shandle->externalizer)
+ kret = (*shandle->externalizer)(kcontext, arg, buffer, lenremain);
+ return(kret);
+}
+
+static krb5_error_code
+krb5_keytab_internalize(krb5_context kcontext, krb5_pointer *argp, krb5_octet **buffer, size_t *lenremain)
+{
+ krb5_error_code kret;
+ krb5_ser_handle shandle;
+
+ kret = EINVAL;
+ if ((shandle = (krb5_ser_handle) krb5_kt_dfl_ops.serializer) &&
+ shandle->internalizer)
+ kret = (*shandle->internalizer)(kcontext, argp, buffer, lenremain);
+ return(kret);
+}
+
+krb5_error_code KRB5_CALLCONV
+krb5_ser_keytab_init(krb5_context kcontext)
+{
+ return(krb5_register_serializer(kcontext, &krb5_keytab_ser_entry));
+}
projects / krb5.git / blobdiff