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328 lines
6.6 KiB
C
Executable File
328 lines
6.6 KiB
C
Executable File
#include "asn1.h"
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#include "asn1t.h"
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#include"err.h"
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#include"objects.h"
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#include"myfunction.h"
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static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,int combine);
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static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
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static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
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void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
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/////////////////ASN1_item_ex_new/////////////////////////ok
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int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
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{
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return asn1_item_ex_combine_new(pval, it, 0);
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}
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////////////ASN1_item_new//////////////////////////////////ok
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ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it)
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{
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ASN1_VALUE *ret = NULL;
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if (ASN1_item_ex_new(&ret, it) > 0)
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return ret;
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return NULL;
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}
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///////////////asn1_item_ex_combine_new//////////////////////////ok
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static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
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int combine)
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{
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const ASN1_TEMPLATE *tt = NULL;
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const ASN1_COMPAT_FUNCS *cf;
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const ASN1_EXTERN_FUNCS *ef;
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const ASN1_AUX *aux = it->funcs;
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ASN1_aux_cb *asn1_cb;
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ASN1_VALUE **pseqval;
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int i;
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if (aux && aux->asn1_cb)
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asn1_cb = aux->asn1_cb;//x509_cb
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else
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asn1_cb = 0;
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if (!combine) *pval = NULL;
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switch(it->itype)
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{
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case ASN1_ITYPE_EXTERN:
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ef = it->funcs;
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if (ef && ef->asn1_ex_new)
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{
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if (!ef->asn1_ex_new(pval, it))
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goto memerr;
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}
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break;
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case ASN1_ITYPE_COMPAT:
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cf = it->funcs;
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if (cf && cf->asn1_new) {
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*pval = cf->asn1_new();
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if (!*pval)
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goto memerr;
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}
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break;
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case ASN1_ITYPE_PRIMITIVE:
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if (it->templates)
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{
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if (!ASN1_template_new(pval, it->templates))
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goto memerr;
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}
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else if (!ASN1_primitive_new(pval, it))
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goto memerr;
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break;
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case ASN1_ITYPE_MSTRING:
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if (!ASN1_primitive_new(pval, it))
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goto memerr;
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break;
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case ASN1_ITYPE_CHOICE:
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if (asn1_cb)
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{
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i = asn1_cb(ASN1_OP_NEW_PRE, pval, it);
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if (!i)
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goto auxerr;
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if (i==2)
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{
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return 1;
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}
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}
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if (!combine)
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{
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*pval = OPENSSL_malloc(it->size);
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if (!*pval)
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goto memerr;
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memset(*pval, 0, it->size);
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}
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//asn1_set_choice_selector(pval, -1, it);//samyang delete
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if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it))
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goto auxerr;
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break;
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case ASN1_ITYPE_NDEF_SEQUENCE:
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case ASN1_ITYPE_SEQUENCE:
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if (asn1_cb)
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{
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i = asn1_cb(ASN1_OP_NEW_PRE, pval, it);
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if (!i)
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goto auxerr;
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if (i==2)
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{
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return 1;
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}
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}
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if (!combine)
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{
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*pval = OPENSSL_malloc(it->size);//<2F><><EFBFBD>սṹ<D5BD><E1B9B9><EFBFBD>ĵ<EFBFBD>ַ
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if (!*pval)
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goto memerr;
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memset(*pval, 0, it->size);
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//asn1_do_lock(pval, 0, it);
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asn1_enc_init(pval, it);//?
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}
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for (i = 0, tt = it->templates; i < it->tcount; tt++, i++)//x509_seq_tt[]
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{
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pseqval = asn1_get_field_ptr(pval, tt);//<2F><><EFBFBD><EFBFBD>"<22><><EFBFBD>սṹ<D5BD><E1B9B9>"<22>е<EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
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if (!ASN1_template_new(pseqval, tt)) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>item,<2C><><EFBFBD><EFBFBD>x509_seq_tt[]<5D>е<EFBFBD>xx_it
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goto memerr;
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}
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if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it))
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goto auxerr;
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break;
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}
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return 1;
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memerr:
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ASN1err(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW, ERR_R_MALLOC_FAILURE);
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return 0;
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auxerr:
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ASN1err(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW, ASN1_R_AUX_ERROR);
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return 0;
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}
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///////////////////ASN1_template_new///////////////////////////////ok
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int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
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{
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const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item);//
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int ret;
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if (tt->flags & ASN1_TFLG_OPTIONAL)
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{
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asn1_template_clear(pval, tt);
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return 1;
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}
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if (tt->flags & ASN1_TFLG_ADB_MASK)
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{
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*pval = NULL;
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return 1;
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}
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if (tt->flags & ASN1_TFLG_SK_MASK)
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{
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STACK_OF(ASN1_VALUE) *skval;
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skval = sk_ASN1_VALUE_new_null();
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if (!skval)
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{
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ASN1err(ASN1_F_ASN1_TEMPLATE_NEW, ERR_R_MALLOC_FAILURE);
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ret = 0;
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goto done;
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}
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*pval = (ASN1_VALUE *)skval;
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ret = 1;
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goto done;
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}
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ret = asn1_item_ex_combine_new(pval, it, tt->flags & ASN1_TFLG_COMBINE);//<2F>ж<EFBFBD><D0B6><EFBFBD>item<65>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD><EFBFBD>
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done:
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return ret;
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}
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///////////////asn1_template_clear///////////////////////////ok
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static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
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{
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if (tt->flags & (ASN1_TFLG_ADB_MASK|ASN1_TFLG_SK_MASK))
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*pval = NULL;
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else
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asn1_item_clear(pval, ASN1_ITEM_ptr(tt->item));
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}
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////////////////ASN1_primitive_new///////////////////////ok
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int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
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{
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ASN1_TYPE *typ;
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int utype;
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if (it && it->funcs)
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{
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const ASN1_PRIMITIVE_FUNCS *pf = it->funcs;
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if (pf->prim_new)
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return pf->prim_new(pval, it);
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}
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if (!it || (it->itype == ASN1_ITYPE_MSTRING))
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utype = -1;
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else
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utype = it->utype;
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switch(utype)
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{
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case V_ASN1_OBJECT:
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*pval = (ASN1_VALUE *)OBJ_nid2obj(NID_undef);
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return 1;
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case V_ASN1_BOOLEAN:
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if (it)
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*(ASN1_BOOLEAN *)pval = it->size;
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else
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*(ASN1_BOOLEAN *)pval = -1;
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return 1;
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case V_ASN1_NULL:
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*pval = (ASN1_VALUE *)1;
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return 1;
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case V_ASN1_ANY:
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typ = OPENSSL_malloc(sizeof(ASN1_TYPE));
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if (!typ)
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return 0;
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typ->value.ptr = NULL;
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typ->type = -1;
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*pval = (ASN1_VALUE *)typ;
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break;
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default:
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*pval = (ASN1_VALUE *)ASN1_STRING_type_new(utype);
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break;
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}
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if (*pval)
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return 1;
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return 0;
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}
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///////////////asn1_item_clear///////////////////////////////ok
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static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it)
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{
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const ASN1_EXTERN_FUNCS *ef;
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switch(it->itype)
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{
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case ASN1_ITYPE_EXTERN:
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ef = it->funcs;
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if (ef && ef->asn1_ex_clear)
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ef->asn1_ex_clear(pval, it);
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else *pval = NULL;
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break;
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case ASN1_ITYPE_PRIMITIVE:
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if (it->templates)
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asn1_template_clear(pval, it->templates);
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else
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asn1_primitive_clear(pval, it);
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break;
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case ASN1_ITYPE_MSTRING:
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asn1_primitive_clear(pval, it);
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break;
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case ASN1_ITYPE_COMPAT:
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case ASN1_ITYPE_CHOICE:
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case ASN1_ITYPE_SEQUENCE:
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case ASN1_ITYPE_NDEF_SEQUENCE:
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*pval = NULL;
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break;
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}
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}
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////////////asn1_primitive_clear///////////////////////ok
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void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it)
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{
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int utype;
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if (it && it->funcs)
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{
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const ASN1_PRIMITIVE_FUNCS *pf = it->funcs;
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if (pf->prim_clear)
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pf->prim_clear(pval, it);
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else
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*pval = NULL;
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return;
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}
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if (!it || (it->itype == ASN1_ITYPE_MSTRING))
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utype = -1;
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else
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utype = it->utype;
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if (utype == V_ASN1_BOOLEAN)
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*(ASN1_BOOLEAN *)pval = it->size;
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else *pval = NULL;
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}
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