diff options
Diffstat (limited to 'openssl/crypto/asn1/asn_pack.c')
-rw-r--r-- | openssl/crypto/asn1/asn_pack.c | 192 |
1 files changed, 100 insertions, 92 deletions
diff --git a/openssl/crypto/asn1/asn_pack.c b/openssl/crypto/asn1/asn_pack.c index 00dbf5ad3..366caf01f 100644 --- a/openssl/crypto/asn1/asn_pack.c +++ b/openssl/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; } |