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-rw-r--r--crypto/asn1/asn_pack.c192
1 files changed, 100 insertions, 92 deletions
diff --git a/crypto/asn1/asn_pack.c b/crypto/asn1/asn_pack.c
index 00dbf5ad3c0a..366caf01f091 100644
--- a/crypto/asn1/asn_pack.c
+++ b/crypto/asn1/asn_pack.c
@@ -1,6 +1,7 @@
/* asn_pack.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 1999.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
@@ -10,7 +11,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -67,90 +68,95 @@
/* Turn an ASN1 encoded SEQUENCE OF into a STACK of structures */
STACK_OF(OPENSSL_BLOCK) *ASN1_seq_unpack(const unsigned char *buf, int len,
- d2i_of_void *d2i, void (*free_func)(OPENSSL_BLOCK))
+ d2i_of_void *d2i,
+ void (*free_func) (OPENSSL_BLOCK))
{
STACK_OF(OPENSSL_BLOCK) *sk;
const unsigned char *pbuf;
- pbuf = buf;
+ pbuf = buf;
if (!(sk = d2i_ASN1_SET(NULL, &pbuf, len, d2i, free_func,
- V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL)))
- ASN1err(ASN1_F_ASN1_SEQ_UNPACK,ASN1_R_DECODE_ERROR);
+ V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL)))
+ ASN1err(ASN1_F_ASN1_SEQ_UNPACK, ASN1_R_DECODE_ERROR);
return sk;
}
-/* Turn a STACK structures into an ASN1 encoded SEQUENCE OF structure in a
+/*
+ * Turn a STACK structures into an ASN1 encoded SEQUENCE OF structure in a
* OPENSSL_malloc'ed buffer
*/
unsigned char *ASN1_seq_pack(STACK_OF(OPENSSL_BLOCK) *safes, i2d_of_void *i2d,
- unsigned char **buf, int *len)
+ unsigned char **buf, int *len)
{
- int safelen;
- unsigned char *safe, *p;
- if (!(safelen = i2d_ASN1_SET(safes, NULL, i2d, V_ASN1_SEQUENCE,
- V_ASN1_UNIVERSAL, IS_SEQUENCE))) {
- ASN1err(ASN1_F_ASN1_SEQ_PACK,ASN1_R_ENCODE_ERROR);
- return NULL;
- }
- if (!(safe = OPENSSL_malloc (safelen))) {
- ASN1err(ASN1_F_ASN1_SEQ_PACK,ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- p = safe;
- i2d_ASN1_SET(safes, &p, i2d, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL,
- IS_SEQUENCE);
- if (len) *len = safelen;
- if (buf) *buf = safe;
- return safe;
+ int safelen;
+ unsigned char *safe, *p;
+ if (!(safelen = i2d_ASN1_SET(safes, NULL, i2d, V_ASN1_SEQUENCE,
+ V_ASN1_UNIVERSAL, IS_SEQUENCE))) {
+ ASN1err(ASN1_F_ASN1_SEQ_PACK, ASN1_R_ENCODE_ERROR);
+ return NULL;
+ }
+ if (!(safe = OPENSSL_malloc(safelen))) {
+ ASN1err(ASN1_F_ASN1_SEQ_PACK, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ p = safe;
+ i2d_ASN1_SET(safes, &p, i2d, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL,
+ IS_SEQUENCE);
+ if (len)
+ *len = safelen;
+ if (buf)
+ *buf = safe;
+ return safe;
}
/* Extract an ASN1 object from an ASN1_STRING */
void *ASN1_unpack_string(ASN1_STRING *oct, d2i_of_void *d2i)
{
- const unsigned char *p;
- char *ret;
+ const unsigned char *p;
+ char *ret;
- p = oct->data;
- if(!(ret = d2i(NULL, &p, oct->length)))
- ASN1err(ASN1_F_ASN1_UNPACK_STRING,ASN1_R_DECODE_ERROR);
- return ret;
+ p = oct->data;
+ if (!(ret = d2i(NULL, &p, oct->length)))
+ ASN1err(ASN1_F_ASN1_UNPACK_STRING, ASN1_R_DECODE_ERROR);
+ return ret;
}
/* Pack an ASN1 object into an ASN1_STRING */
ASN1_STRING *ASN1_pack_string(void *obj, i2d_of_void *i2d, ASN1_STRING **oct)
{
- unsigned char *p;
- ASN1_STRING *octmp;
-
- if (!oct || !*oct) {
- if (!(octmp = ASN1_STRING_new ())) {
- ASN1err(ASN1_F_ASN1_PACK_STRING,ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- if (oct) *oct = octmp;
- } else octmp = *oct;
-
- if (!(octmp->length = i2d(obj, NULL))) {
- ASN1err(ASN1_F_ASN1_PACK_STRING,ASN1_R_ENCODE_ERROR);
- goto err;
- }
- if (!(p = OPENSSL_malloc (octmp->length))) {
- ASN1err(ASN1_F_ASN1_PACK_STRING,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- octmp->data = p;
- i2d (obj, &p);
- return octmp;
- err:
- if (!oct || !*oct)
- {
- ASN1_STRING_free(octmp);
- if (oct)
- *oct = NULL;
- }
- return NULL;
+ unsigned char *p;
+ ASN1_STRING *octmp;
+
+ if (!oct || !*oct) {
+ if (!(octmp = ASN1_STRING_new())) {
+ ASN1err(ASN1_F_ASN1_PACK_STRING, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ if (oct)
+ *oct = octmp;
+ } else
+ octmp = *oct;
+
+ if (!(octmp->length = i2d(obj, NULL))) {
+ ASN1err(ASN1_F_ASN1_PACK_STRING, ASN1_R_ENCODE_ERROR);
+ goto err;
+ }
+ if (!(p = OPENSSL_malloc(octmp->length))) {
+ ASN1err(ASN1_F_ASN1_PACK_STRING, ERR_R_MALLOC_FAILURE);
+ 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
@@ -159,41 +165,43 @@ ASN1_STRING *ASN1_pack_string(void *obj, i2d_of_void *i2d, ASN1_STRING **oct)
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;
+ 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;
+ 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;
+ 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;
}