diff options
Diffstat (limited to 'openssl/crypto/asn1/tasn_fre.c')
| -rw-r--r-- | openssl/crypto/asn1/tasn_fre.c | 375 |
1 files changed, 179 insertions, 196 deletions
diff --git a/openssl/crypto/asn1/tasn_fre.c b/openssl/crypto/asn1/tasn_fre.c index 77d3092d3..aeea4eff7 100644 --- a/openssl/crypto/asn1/tasn_fre.c +++ b/openssl/crypto/asn1/tasn_fre.c @@ -1,6 +1,7 @@ /* tasn_fre.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2000. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 2000. */ /* ==================================================================== * Copyright (c) 2000 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 @@ -56,211 +57,193 @@ * */ - #include <stddef.h> #include <openssl/asn1.h> #include <openssl/asn1t.h> #include <openssl/objects.h> -static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine); +static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, + int combine); /* Free up an ASN1 structure */ void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it) - { - asn1_item_combine_free(&val, it, 0); - } +{ + asn1_item_combine_free(&val, it, 0); +} void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) - { - asn1_item_combine_free(pval, it, 0); - } - -static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine) - { - const ASN1_TEMPLATE *tt = NULL, *seqtt; - const ASN1_EXTERN_FUNCS *ef; - const ASN1_COMPAT_FUNCS *cf; - const ASN1_AUX *aux = it->funcs; - ASN1_aux_cb *asn1_cb; - int i; - if (!pval) - return; - if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval) - return; - if (aux && aux->asn1_cb) - asn1_cb = aux->asn1_cb; - else - asn1_cb = 0; - - switch(it->itype) - { - - case ASN1_ITYPE_PRIMITIVE: - if (it->templates) - ASN1_template_free(pval, it->templates); - else - ASN1_primitive_free(pval, it); - break; - - case ASN1_ITYPE_MSTRING: - ASN1_primitive_free(pval, it); - break; - - case ASN1_ITYPE_CHOICE: - if (asn1_cb) - { - i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL); - if (i == 2) - return; - } - i = asn1_get_choice_selector(pval, it); - if ((i >= 0) && (i < it->tcount)) - { - ASN1_VALUE **pchval; - tt = it->templates + i; - pchval = asn1_get_field_ptr(pval, tt); - ASN1_template_free(pchval, tt); - } - if (asn1_cb) - asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL); - if (!combine) - { - OPENSSL_free(*pval); - *pval = NULL; - } - break; - - case ASN1_ITYPE_COMPAT: - cf = it->funcs; - if (cf && cf->asn1_free) - cf->asn1_free(*pval); - break; - - case ASN1_ITYPE_EXTERN: - ef = it->funcs; - if (ef && ef->asn1_ex_free) - ef->asn1_ex_free(pval, it); - break; - - case ASN1_ITYPE_NDEF_SEQUENCE: - case ASN1_ITYPE_SEQUENCE: - if (asn1_do_lock(pval, -1, it) > 0) - return; - if (asn1_cb) - { - i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL); - if (i == 2) - return; - } - asn1_enc_free(pval, it); - /* If we free up as normal we will invalidate any - * ANY DEFINED BY field and we wont be able to - * determine the type of the field it defines. So - * free up in reverse order. - */ - tt = it->templates + it->tcount - 1; - for (i = 0; i < it->tcount; tt--, i++) - { - ASN1_VALUE **pseqval; - seqtt = asn1_do_adb(pval, tt, 0); - if (!seqtt) - continue; - pseqval = asn1_get_field_ptr(pval, seqtt); - ASN1_template_free(pseqval, seqtt); - } - if (asn1_cb) - asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL); - if (!combine) - { - OPENSSL_free(*pval); - *pval = NULL; - } - break; - } - } +{ + asn1_item_combine_free(pval, it, 0); +} + +static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, + int combine) +{ + const ASN1_TEMPLATE *tt = NULL, *seqtt; + const ASN1_EXTERN_FUNCS *ef; + const ASN1_COMPAT_FUNCS *cf; + const ASN1_AUX *aux = it->funcs; + ASN1_aux_cb *asn1_cb; + int i; + if (!pval) + return; + if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval) + return; + if (aux && aux->asn1_cb) + asn1_cb = aux->asn1_cb; + else + asn1_cb = 0; + + switch (it->itype) { + + case ASN1_ITYPE_PRIMITIVE: + if (it->templates) + ASN1_template_free(pval, it->templates); + else + ASN1_primitive_free(pval, it); + break; + + case ASN1_ITYPE_MSTRING: + ASN1_primitive_free(pval, it); + break; + + case ASN1_ITYPE_CHOICE: + if (asn1_cb) { + i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL); + if (i == 2) + return; + } + i = asn1_get_choice_selector(pval, it); + if ((i >= 0) && (i < it->tcount)) { + ASN1_VALUE **pchval; + tt = it->templates + i; + pchval = asn1_get_field_ptr(pval, tt); + ASN1_template_free(pchval, tt); + } + if (asn1_cb) + asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL); + if (!combine) { + OPENSSL_free(*pval); + *pval = NULL; + } + break; + + case ASN1_ITYPE_COMPAT: + cf = it->funcs; + if (cf && cf->asn1_free) + cf->asn1_free(*pval); + break; + + case ASN1_ITYPE_EXTERN: + ef = it->funcs; + if (ef && ef->asn1_ex_free) + ef->asn1_ex_free(pval, it); + break; + + case ASN1_ITYPE_NDEF_SEQUENCE: + case ASN1_ITYPE_SEQUENCE: + if (asn1_do_lock(pval, -1, it) > 0) + return; + if (asn1_cb) { + i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL); + if (i == 2) + return; + } + asn1_enc_free(pval, it); + /* + * If we free up as normal we will invalidate any ANY DEFINED BY + * field and we wont be able to determine the type of the field it + * defines. So free up in reverse order. + */ + tt = it->templates + it->tcount - 1; + for (i = 0; i < it->tcount; tt--, i++) { + ASN1_VALUE **pseqval; + seqtt = asn1_do_adb(pval, tt, 0); + if (!seqtt) + continue; + pseqval = asn1_get_field_ptr(pval, seqtt); + ASN1_template_free(pseqval, seqtt); + } + if (asn1_cb) + asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL); + if (!combine) { + OPENSSL_free(*pval); + *pval = NULL; + } + break; + } +} void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) - { - int i; - if (tt->flags & ASN1_TFLG_SK_MASK) - { - STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval; - for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) - { - ASN1_VALUE *vtmp; - vtmp = sk_ASN1_VALUE_value(sk, i); - asn1_item_combine_free(&vtmp, ASN1_ITEM_ptr(tt->item), - 0); - } - sk_ASN1_VALUE_free(sk); - *pval = NULL; - } - else - asn1_item_combine_free(pval, ASN1_ITEM_ptr(tt->item), - tt->flags & ASN1_TFLG_COMBINE); - } +{ + int i; + if (tt->flags & ASN1_TFLG_SK_MASK) { + STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval; + for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) { + ASN1_VALUE *vtmp; + vtmp = sk_ASN1_VALUE_value(sk, i); + asn1_item_combine_free(&vtmp, ASN1_ITEM_ptr(tt->item), 0); + } + sk_ASN1_VALUE_free(sk); + *pval = NULL; + } else + asn1_item_combine_free(pval, ASN1_ITEM_ptr(tt->item), + tt->flags & ASN1_TFLG_COMBINE); +} void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it) - { - int utype; - if (it) - { - const ASN1_PRIMITIVE_FUNCS *pf; - pf = it->funcs; - if (pf && pf->prim_free) - { - pf->prim_free(pval, it); - return; - } - } - /* Special case: if 'it' is NULL free contents of ASN1_TYPE */ - if (!it) - { - ASN1_TYPE *typ = (ASN1_TYPE *)*pval; - utype = typ->type; - pval = &typ->value.asn1_value; - if (!*pval) - return; - } - else if (it->itype == ASN1_ITYPE_MSTRING) - { - utype = -1; - if (!*pval) - return; - } - else - { - utype = it->utype; - if ((utype != V_ASN1_BOOLEAN) && !*pval) - return; - } - - switch(utype) - { - case V_ASN1_OBJECT: - ASN1_OBJECT_free((ASN1_OBJECT *)*pval); - break; - - case V_ASN1_BOOLEAN: - if (it) - *(ASN1_BOOLEAN *)pval = it->size; - else - *(ASN1_BOOLEAN *)pval = -1; - return; - - case V_ASN1_NULL: - break; - - case V_ASN1_ANY: - ASN1_primitive_free(pval, NULL); - OPENSSL_free(*pval); - break; - - default: - ASN1_STRING_free((ASN1_STRING *)*pval); - *pval = NULL; - break; - } - *pval = NULL; - } +{ + int utype; + if (it) { + const ASN1_PRIMITIVE_FUNCS *pf; + pf = it->funcs; + if (pf && pf->prim_free) { + pf->prim_free(pval, it); + return; + } + } + /* Special case: if 'it' is NULL free contents of ASN1_TYPE */ + if (!it) { + ASN1_TYPE *typ = (ASN1_TYPE *)*pval; + utype = typ->type; + pval = &typ->value.asn1_value; + if (!*pval) + return; + } else if (it->itype == ASN1_ITYPE_MSTRING) { + utype = -1; + if (!*pval) + return; + } else { + utype = it->utype; + if ((utype != V_ASN1_BOOLEAN) && !*pval) + return; + } + + switch (utype) { + case V_ASN1_OBJECT: + ASN1_OBJECT_free((ASN1_OBJECT *)*pval); + break; + + case V_ASN1_BOOLEAN: + if (it) + *(ASN1_BOOLEAN *)pval = it->size; + else + *(ASN1_BOOLEAN *)pval = -1; + return; + + case V_ASN1_NULL: + break; + + case V_ASN1_ANY: + ASN1_primitive_free(pval, NULL); + OPENSSL_free(*pval); + break; + + default: + ASN1_STRING_free((ASN1_STRING *)*pval); + *pval = NULL; + break; + } + *pval = NULL; +} |