/* asn_pack.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999.
*/
/* ====================================================================
#include <stdio.h>
#include "cryptlib.h"
-#include "asn1.h"
+#include <openssl/asn1.h>
+
+#ifndef NO_ASN1_OLD
/* ASN1 packing and unpacking functions */
/* Turn an ASN1 encoded SEQUENCE OF into a STACK of structures */
-STACK *ASN1_seq_unpack(unsigned char *buf, int len, char *(*d2i)(),
- void (*free_func)())
+STACK_OF(OPENSSL_BLOCK) *ASN1_seq_unpack(const unsigned char *buf, int len,
+ d2i_of_void *d2i, void (*free_func)(OPENSSL_BLOCK))
{
- STACK *sk;
- unsigned char *pbuf;
+ STACK_OF(OPENSSL_BLOCK) *sk;
+ const unsigned char *pbuf;
pbuf = buf;
if (!(sk = d2i_ASN1_SET(NULL, &pbuf, len, d2i, free_func,
V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL)))
}
/* Turn a STACK structures into an ASN1 encoded SEQUENCE OF structure in a
- * Malloc'ed buffer
+ * OPENSSL_malloc'ed buffer
*/
-unsigned char *ASN1_seq_pack(STACK *safes, int (*i2d)(), unsigned char **buf,
- int *len)
+unsigned char *ASN1_seq_pack(STACK_OF(OPENSSL_BLOCK) *safes, i2d_of_void *i2d,
+ unsigned char **buf, int *len)
{
int safelen;
unsigned char *safe, *p;
ASN1err(ASN1_F_ASN1_SEQ_PACK,ASN1_R_ENCODE_ERROR);
return NULL;
}
- if (!(safe = Malloc (safelen))) {
+ if (!(safe = OPENSSL_malloc (safelen))) {
ASN1err(ASN1_F_ASN1_SEQ_PACK,ERR_R_MALLOC_FAILURE);
return NULL;
}
/* Extract an ASN1 object from an ASN1_STRING */
-char *ASN1_unpack_string (ASN1_STRING *oct, char *(*d2i)())
+void *ASN1_unpack_string(ASN1_STRING *oct, d2i_of_void *d2i)
{
- unsigned char *p;
+ const unsigned char *p;
char *ret;
p = oct->data;
/* Pack an ASN1 object into an ASN1_STRING */
-ASN1_STRING *ASN1_pack_string (char *obj, int (*i2d)(), ASN1_STRING **oct)
+ASN1_STRING *ASN1_pack_string(void *obj, i2d_of_void *i2d, ASN1_STRING **oct)
{
unsigned char *p;
ASN1_STRING *octmp;
if (!(octmp->length = i2d(obj, NULL))) {
ASN1err(ASN1_F_ASN1_PACK_STRING,ASN1_R_ENCODE_ERROR);
- return NULL;
+ goto err;
}
- if (!(p = Malloc (octmp->length))) {
+ if (!(p = OPENSSL_malloc (octmp->length))) {
ASN1err(ASN1_F_ASN1_PACK_STRING,ERR_R_MALLOC_FAILURE);
- return NULL;
+ goto err;
}
octmp->data = p;
i2d (obj, &p);
return octmp;
+ err:
+ if (!oct || !*oct)
+ {
+ ASN1_STRING_free(octmp);
+ if (oct)
+ *oct = NULL;
+ }
+ return NULL;
}
+#endif
+
+/* ASN1_ITEM versions of the above */
+
+ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **oct)
+{
+ ASN1_STRING *octmp;
+
+ if (!oct || !*oct) {
+ if (!(octmp = ASN1_STRING_new ())) {
+ ASN1err(ASN1_F_ASN1_ITEM_PACK,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ if (oct) *oct = octmp;
+ } else octmp = *oct;
+
+ if(octmp->data) {
+ OPENSSL_free(octmp->data);
+ octmp->data = NULL;
+ }
+
+ if (!(octmp->length = ASN1_item_i2d(obj, &octmp->data, it))) {
+ ASN1err(ASN1_F_ASN1_ITEM_PACK,ASN1_R_ENCODE_ERROR);
+ return NULL;
+ }
+ if (!octmp->data) {
+ ASN1err(ASN1_F_ASN1_ITEM_PACK,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ return octmp;
+}
+
+/* Extract an ASN1 object from an ASN1_STRING */
+
+void *ASN1_item_unpack(ASN1_STRING *oct, const ASN1_ITEM *it)
+{
+ const unsigned char *p;
+ void *ret;
+
+ p = oct->data;
+ if(!(ret = ASN1_item_d2i(NULL, &p, oct->length, it)))
+ ASN1err(ASN1_F_ASN1_ITEM_UNPACK,ASN1_R_DECODE_ERROR);
+ return ret;
+}