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Differences From Artifact [884439a73b]:

To Artifact [941bf5cf9b]:

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#endif
#ifdef HAVE_STRING_H
#  include <string.h>
#endif
#ifdef HAVE_PTHREAD_H
#  include <pthread.h>
#endif
#ifdef HAVE_ZLIB_H
#  ifdef HAVE_LIBZ
#    include <zlib.h>
#  endif
#else
#  ifdef HAVE_LIBZ
#    undef HAVE_LIBZ
#  endif
#endif

#define CK_PTR *
#define CK_DEFINE_FUNCTION(returnType, name) returnType name
#define CK_DECLARE_FUNCTION(returnType, name) returnType name
#define CK_DECLARE_FUNCTION_POINTER(returnType, name) returnType (* name)
#define CK_CALLBACK_FUNCTION(returnType, name) returnType (* name)
#ifndef NULL_PTR
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	unsigned char vlen_buf[2], vval_buf[8192], *vval;
	unsigned char *tmpbuf;
	ssize_t tlen, vlen;
	ssize_t read_ret;
	size_t offset_t = 0, offset_v = 0;
	unsigned char tag;
	size_t length;
	uLongf tmpbuflen;
	int uncompress_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	read_ret = cackey_read_buffer(slot, tlen_buf, sizeof(tlen_buf), 1, offset_t);
	if (read_ret != sizeof(tlen_buf)) {
		CACKEY_DEBUG_PRINTF("Read failed, returning in failure");
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		return(NULL);
	}

	vlen = (vlen_buf[1] << 8) | vlen_buf[0];

	CACKEY_DEBUG_PRINTF("Tag Length = %i, Value Length = %i", tlen, vlen);

	tlen -= 2;
	offset_t += 2;

	vlen -= 2;
	offset_v += 2;

	if (tlen > sizeof(tval_buf)) {
		CACKEY_DEBUG_PRINTF("Tag length is too large, returning in failure");

		return(NULL);
	}
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			length = *tval;
			tval++;
			tlen--;
		}

		CACKEY_DEBUG_PRINTF("Tag: %s (%02x)", CACKEY_DEBUG_FUNC_TAG_TO_STR(tag), (unsigned int) tag);
		CACKEY_DEBUG_PRINTBUF("Value:", vval, length);
		vval += length;
		vlen -= length;

		curr_entity = NULL;
		switch (tag) {
			case GSCIS_TAG_CARDURL:
				curr_entity = malloc(sizeof(*curr_entity));
				curr_entity->value_cardurl = malloc(sizeof(*curr_entity->value_cardurl));
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				curr_entity->length = length;
				curr_entity->value = tmpbuf;
				curr_entity->_next = NULL;

				break;
			case GSCIS_TAG_CERTIFICATE:
				curr_entity = malloc(sizeof(*curr_entity));

				tmpbuflen = length * 2;
				tmpbuf = malloc(length);
				tmpbuf = malloc(tmpbuflen);

#ifdef HAVE_LIBZ
				CACKEY_DEBUG_PRINTBUF("Decompressing:", vval, length);
				uncompress_ret = uncompress(tmpbuf, &tmpbuflen, vval, length);
				if (uncompress_ret != Z_OK) {
					CACKEY_DEBUG_PRINTF("Failed to decompress, uncompress() returned %i -- resorting to direct copy", uncompress_ret);

					tmpbuflen = length;
				memcpy(tmpbuf, vval, length);

					memcpy(tmpbuf, vval, length);
				}

				CACKEY_DEBUG_PRINTBUF("Decompressed to:", tmpbuf, tmpbuflen);
#else
				CACKEY_DEBUG_PRINTF("Missing ZLIB Support, this certificate is likely useless...");

				tmpbuflen = length;
				memcpy(tmpbuf, vval, length);
#endif

				curr_entity->tag = tag;
				curr_entity->length = length;
				curr_entity->length = tmpbuflen;
				curr_entity->value = tmpbuf;
				curr_entity->_next = NULL;

				break;
			case GSCIS_TAG_PKCS15:
				curr_entity = malloc(sizeof(*curr_entity));

				curr_entity->tag = tag;
				curr_entity->value_byte = vval[0];
				curr_entity->_next = NULL;

				break;
		}

		vval += length;
		vlen -= length;

		if (curr_entity != NULL) {
			if (root == NULL) {
				root = curr_entity;
			}

			if (last != NULL) {
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