1 files changed, 0 insertions, 208 deletions
diff --git a/scd/tlv.c b/scd/tlv.c
deleted file mode 100644
index 5b9d0d6b9..000000000
--- a/scd/tlv.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/* tlv.c - Tag-Length-Value Utilities
- *	Copyright (C) 2003, 2004 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * GnuPG is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GnuPG is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-#include <gpg-error.h>
-
-#include "tlv.h"
-
-static const unsigned char *
-do_find_tlv (const unsigned char *buffer, size_t length,
-             int tag, size_t *nbytes, int nestlevel)
-{
-  const unsigned char *s = buffer;
-  size_t n = length;
-  size_t len;
-  int this_tag;
-  int composite;
-    
-  for (;;)
-    {
-      buffer = s;
-      if (n < 2)
-        return NULL; /* Buffer definitely too short for tag and length. */
-      if (!*s || *s == 0xff)
-        { /* Skip optional filler between TLV objects. */
-          s++;
-          n--;
-          continue;
-        }
-      composite = !!(*s & 0x20);
-      if ((*s & 0x1f) == 0x1f)
-        { /* more tag bytes to follow */
-          s++;
-          n--;
-          if (n < 2)
-            return NULL; /* buffer definitely too short for tag and length. */
-          if ((*s & 0x1f) == 0x1f)
-            return NULL; /* We support only up to 2 bytes. */
-          this_tag = (s[-1] << 8) | (s[0] & 0x7f);
-        }
-      else
-        this_tag = s[0];
-      len = s[1];
-      s += 2; n -= 2;
-      if (len < 0x80)
-        ;
-      else if (len == 0x81)
-        { /* One byte length follows. */
-          if (!n)
-            return NULL; /* we expected 1 more bytes with the length. */
-          len = s[0];
-          s++; n--;
-        }
-      else if (len == 0x82)
-        { /* Two byte length follows. */
-          if (n < 2)
-            return NULL; /* We expected 2 more bytes with the length. */
-          len = (s[0] << 8) | s[1];
-          s += 2; n -= 2;
-        }
-      else
-        return NULL; /* APDU limit is 65535, thus it does not make
-                        sense to assume longer length fields. */
-
-      if (composite && nestlevel < 100)
-        { /* Dive into this composite DO after checking for a too deep
-             nesting. */
-          const unsigned char *tmp_s;
-          size_t tmp_len;
-          
-          tmp_s = do_find_tlv (s, len, tag, &tmp_len, nestlevel+1);
-          if (tmp_s)
-            {
-              *nbytes = tmp_len;
-              return tmp_s;
-            }
-        }
-
-      if (this_tag == tag)
-        {
-          *nbytes = len;
-          return s;
-        }
-      if (len > n)
-        return NULL; /* Buffer too short to skip to the next tag. */
-      s += len; n -= len;
-    }
-}
-
-
-/* Locate a TLV encoded data object in BUFFER of LENGTH and
-   return a pointer to value as well as its length in NBYTES.  Return
-   NULL if it was not found.  Note, that the function does not check
-   whether the value fits into the provided buffer. */
-const unsigned char *
-find_tlv (const unsigned char *buffer, size_t length,
-          int tag, size_t *nbytes)
-{
-  return do_find_tlv (buffer, length, tag, nbytes, 0);
-}
-
-
-
-
-/* ASN.1 BER parser: Parse BUFFER of length SIZE and return the tag
-   and the length part from the TLV triplet.  Update BUFFER and SIZE
-   on success. */
-gpg_error_t
-parse_ber_header (unsigned char const **buffer, size_t *size,
-                  int *r_class, int *r_tag, 
-                  int *r_constructed, int *r_ndef,
-                  size_t *r_length, size_t *r_nhdr)
-{
-  int c;
-  unsigned long tag;
-  const unsigned char *buf = *buffer;
-  size_t length = *size;
-
-  *r_ndef = 0;
-  *r_length = 0;
-  *r_nhdr = 0;
-
-  /* Get the tag. */
-  if (!length)
-    return gpg_error (GPG_ERR_EOF);
-  c = *buf++; length--; ++*r_nhdr;
-
-  *r_class = (c & 0xc0) >> 6;
-  *r_constructed = !!(c & 0x20);
-  tag = c & 0x1f;
-
-  if (tag == 0x1f)
-    {
-      tag = 0;
-      do
-        {
-          tag <<= 7;
-          if (!length)
-            return gpg_error (GPG_ERR_EOF);
-          c = *buf++; length--; ++*r_nhdr;
-          tag |= c & 0x7f;
-
-        }
-      while (c & 0x80);
-    }
-  *r_tag = tag;
-
-  /* Get the length. */
-  if (!length)
-    return gpg_error (GPG_ERR_EOF);
-  c = *buf++; length--; ++*r_nhdr;
-
-  if ( !(c & 0x80) )
-    *r_length = c;
-  else if (c == 0x80)
-    *r_ndef = 1;
-  else if (c == 0xff)
-    return gpg_error (GPG_ERR_BAD_BER);
-  else
-    {
-      unsigned long len = 0;
-      int count = c & 0x7f;
-
-      if (count > sizeof (len) || count > sizeof (size_t))
-        return gpg_error (GPG_ERR_BAD_BER);
-
-      for (; count; count--)
-        {
-          len <<= 8;
-          if (!length)
-            return gpg_error (GPG_ERR_EOF);
-          c = *buf++; length--; ++*r_nhdr;
-          len |= c & 0xff;
-        }
-      *r_length = len;
-    }
-  
-  /* Without this kludge some example certs can't be parsed. */
-  if (*r_class == CLASS_UNIVERSAL && !*r_tag)
-    *r_length = 0;
-  
-  *buffer = buf;
-  *size = length;
-  return 0;
-}