1065 lines
22 KiB
C
Executable File
1065 lines
22 KiB
C
Executable File
#include"asn1t.h"
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#include"asn1.h"
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#include"rsa.h"
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#include"err.h"
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#include"buffer.h"
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#include"objects.h"
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#include"x509.h"
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#include"e_os2.h"
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#include"myfunction.h"
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#define MSTRING 0
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#define COMPAT 0
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#define ASN1_MAX_STRING_NEST 5
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#define asn1_tlc_clear(c) if (c) (c)->valid = 0
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int k=0;
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void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine);
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static int asn1_check_eoc(const unsigned char **in, long len);
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static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass,
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char *inf, char *cst,
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const unsigned char **in, long len,
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int exptag, int expclass, char opt,
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ASN1_TLC *ctx);
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static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
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const unsigned char **in, long len,
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const ASN1_ITEM *it,
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int tag, int aclass, char opt, ASN1_TLC *ctx);
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static int asn1_template_ex_d2i(ASN1_VALUE **pval,
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const unsigned char **in, long len,
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const ASN1_TEMPLATE *tt, char opt,
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ASN1_TLC *ctx);
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static int asn1_template_noexp_d2i(ASN1_VALUE **val,
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const unsigned char **in, long len,
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const ASN1_TEMPLATE *tt, char opt,
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ASN1_TLC *ctx);
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///////////////////xx_it//////////////////////////////////////
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IMPLEMENT_ASN1_TYPE(ASN1_INTEGER)
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IMPLEMENT_ASN1_TYPE(ASN1_OBJECT)
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IMPLEMENT_ASN1_TYPE(ASN1_OCTET_STRING)
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IMPLEMENT_ASN1_TYPE(ASN1_ANY)
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IMPLEMENT_ASN1_TYPE(ASN1_BIT_STRING)
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IMPLEMENT_ASN1_TYPE(ASN1_IA5STRING)
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IMPLEMENT_ASN1_TYPE_ex(ASN1_BOOLEAN, ASN1_BOOLEAN, -1)
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IMPLEMENT_ASN1_FUNCTIONS_fname(ASN1_TYPE, ASN1_ANY, ASN1_TYPE)
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///////////////////ASN1_item_d2i(i2d_rsapubliy)//////////////////////////////
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ASN1_VALUE *ASN1_item_d2i(ASN1_VALUE **pval,
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const unsigned char **in, long len, const ASN1_ITEM *it)
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{
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ASN1_TLC c;
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ASN1_VALUE *ptmpval = NULL;
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if (!pval)
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pval = &ptmpval;
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c.valid = 0;
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if (ASN1_item_ex_d2i(pval, in, len, it, -1, 0, 0, &c) > 0)
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return *pval;
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return NULL;
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}
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////////////////ASN1_item_ex_d2i/////////////////////////////
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int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
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const ASN1_ITEM *it,
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int tag, int aclass, char opt, ASN1_TLC *ctx)
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{
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const ASN1_TEMPLATE *tt;
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// const ASN1_TEMPLATE *errtt = 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;//--YXY X509_aux
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ASN1_aux_cb *asn1_cb;
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const unsigned char *p = NULL, *q;
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// unsigned char *wp=NULL; /* BIG FAT WARNING! BREAKS CONST WHERE USED */
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// unsigned char imphack = 0;
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// unsigned char oclass;
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char seq_eoc, seq_nolen, cst, isopt;
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long tmplen;
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int i;
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// int otag;
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int ret = 0;
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int j=0,leng=0;//--YXY add
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const unsigned char cinf[][13]={"cert_info","version","serialNumber","signature","algorithm","parameter","isure","vald","suject","key","algor","algorithm","parameter","public_key","extensions"};
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//ASN1_VALUE **pchptr, *ptmpval;
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if (!pval)
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return 0;
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if (aux && aux->asn1_cb)
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asn1_cb = aux->asn1_cb;
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else asn1_cb = 0;
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switch(it->itype)
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{
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case ASN1_ITYPE_PRIMITIVE:
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if (it->templates)
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{
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if ((tag != -1) || opt)
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{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ASN1_R_ILLEGAL_OPTIONS_ON_ITEM_TEMPLATE);
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}
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return asn1_template_ex_d2i(pval, in, len,
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it->templates, opt, ctx);
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}
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return asn1_d2i_ex_primitive(pval, in, len, it, //////////////INTERGER
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tag, aclass, opt, ctx);
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break;
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#if MSTRING
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case ASN1_ITYPE_MSTRING:
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p = *in;
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ret = asn1_check_tlen(NULL, &otag, &oclass, NULL, NULL,
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&p, len, -1, 0, 1, ctx);
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if (!ret)
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{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ERR_R_NESTED_ASN1_ERROR);
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}
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if (oclass != V_ASN1_UNIVERSAL)
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{
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if (opt){
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return -1;
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}else{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ASN1_R_MSTRING_NOT_UNIVERSAL);
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}
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}
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return asn1_d2i_ex_primitive(pval, in, len,
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it, otag, 0, 0, ctx);
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case ASN1_ITYPE_EXTERN:
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ef = it->funcs;
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return ef->asn1_ex_d2i(pval, in, len,
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it, tag, aclass, opt, ctx);//??????
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#endif
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#if COMPAT
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case ASN1_ITYPE_COMPAT:
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cf = it->funcs;
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if (opt)
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{
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int exptag;
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p = *in;
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if (tag == -1)
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exptag = it->utype;
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else exptag = tag;
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ret = asn1_check_tlen(NULL, NULL, NULL, NULL, NULL,
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&p, len, exptag, aclass, 1, ctx);
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if (!ret)
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{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ERR_R_NESTED_ASN1_ERROR);
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}
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if (ret == -1)
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return -1;
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}
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if (tag != -1)
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{
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wp = *(unsigned char **)in;
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imphack = *wp;
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if (p == NULL)
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{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ERR_R_NESTED_ASN1_ERROR);
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}
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*wp = (unsigned char)((*p & V_ASN1_CONSTRUCTED)
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| it->utype);
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}
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ptmpval = cf->asn1_d2i(pval, in, len);
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if (tag != -1)
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*wp = imphack;
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if (ptmpval){
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return 1;
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}else{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
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}
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case ASN1_ITYPE_CHOICE:
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if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it))
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goto auxerr;
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// Allocate structure
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if (!*pval && !ASN1_item_ex_new(pval, it))
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{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ERR_R_NESTED_ASN1_ERROR);
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}
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p = *in;
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for (i = 0, tt=it->templates; i < it->tcount; i++, tt++)
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{
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pchptr = asn1_get_field_ptr(pval, tt);
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ret = asn1_template_ex_d2i(pchptr, &p, len, tt, 1, ctx);
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if (ret == -1)
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continue;
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if (ret > 0)
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break;
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//errtt = tt;
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ERR_R_NESTED_ASN1_ERROR);
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}
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if (i == it->tcount)
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{
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if (opt)
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{
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//ASN1_item_ex_free(pval, it);
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return -1;
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}
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ASN1_R_NO_MATCHING_CHOICE_TYPE);
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}
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*in = p;
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if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it))
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goto auxerr;
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return 1;
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#endif
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case ASN1_ITYPE_NDEF_SEQUENCE:
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case ASN1_ITYPE_SEQUENCE:
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p = *in;
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tmplen = len;
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if (tag == -1)
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{
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tag = V_ASN1_SEQUENCE;//16,sequence
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aclass = V_ASN1_UNIVERSAL;
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}
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ret = asn1_check_tlen(&len, NULL, NULL, &seq_eoc, &cst,
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&p, len, tag, aclass, opt, ctx);//1
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if (!ret)
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{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ERR_R_NESTED_ASN1_ERROR);
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}
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else if (ret == -1)
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return -1;
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if (aux && (aux->flags & ASN1_AFLG_BROKEN))
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{
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len = tmplen - (p - *in);
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seq_nolen = 1;
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}
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else seq_nolen = seq_eoc;
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if (!cst)
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{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ASN1_R_SEQUENCE_NOT_CONSTRUCTED);
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}
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if (!*pval && !ASN1_item_ex_new(pval, it))//--YXY <09><><EFBFBD><EFBFBD>it<69><74><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>µ<EFBFBD>item
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{
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ERR_R_NESTED_ASN1_ERROR);
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}
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if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it))
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goto auxerr;
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/**************************************************************************************/
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for (i = 0, tt = it->templates; i < it->tcount; i++, tt++)//x509_CINF_seq_tt
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{
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const ASN1_TEMPLATE *seqtt;
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ASN1_VALUE **pseqval;
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seqtt = asn1_do_adb(pval, tt, 1);
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pseqval = asn1_get_field_ptr(pval, seqtt);//<2F><><EFBFBD><EFBFBD>x509_CINF_seq_tt<74><74><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD>
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// printf("%s\n",seqtt->field_name);
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/*xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*/
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q=p;
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leng=len;
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for(j=0+k;j<17;j++){
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if(k>14){
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break;
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}
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if(!strcmp((const char *)cinf[j],seqtt->field_name)){
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k++;
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break;
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}else{
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asn1_check_tlen(&len, NULL, NULL, &seq_eoc, &cst,
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&p, len, tag, aclass, opt, ctx);
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p=p+len;
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*in=p;
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len=leng-(p-q);
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k++;
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}
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}
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/*xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*/
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if (!len)
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break;
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q = p;//֤<><D6A4><EFBFBD><EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ###
|
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if (asn1_check_eoc(&p, len))//<2F><><EFBFBD><EFBFBD><EFBFBD>Ç·<EFBFBD>00<30><30>Í·
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{
|
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if (!seq_eoc)
|
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{
|
||
|
||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ASN1_R_UNEXPECTED_EOC);
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}
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len -= p - q;
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seq_eoc = 0;
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q = p;
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break;
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}
|
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|
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if (i == (it->tcount - 1))
|
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isopt = 0;//=0
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else isopt = (char)(seqtt->flags & ASN1_TFLG_OPTIONAL);//differrn
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ret = asn1_template_ex_d2i(pseqval, &p, len, //<2F><><EFBFBD>￪ʼ<EFBFAA><CABC><EFBFBD><EFBFBD>template<74><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>
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seqtt, isopt, ctx);
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if (!ret)
|
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{
|
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//errtt = seqtt;
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}
|
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else if (ret == -1)
|
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{
|
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|
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ASN1_template_free(pseqval, seqtt);
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continue;
|
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}
|
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/* Update length */
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len -= p - q;//###
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}
|
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|
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if (seq_eoc && !asn1_check_eoc(&p, len))
|
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{
|
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_MISSING_EOC);
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}
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/* Check all data read */
|
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if (!seq_nolen && len)
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{
|
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ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
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ASN1_R_SEQUENCE_LENGTH_MISMATCH); /// while(1);
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|
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}
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for (; i < it->tcount; tt++, i++)
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{
|
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const ASN1_TEMPLATE *seqtt;
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seqtt = asn1_do_adb(pval, tt, 1);
|
||
if (seqtt->flags & ASN1_TFLG_OPTIONAL)
|
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{
|
||
ASN1_VALUE **pseqval;
|
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pseqval = asn1_get_field_ptr(pval, seqtt);
|
||
ASN1_template_free(pseqval, seqtt);
|
||
}
|
||
else
|
||
{
|
||
//errtt = seqtt;
|
||
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
|
||
ASN1_R_FIELD_MISSING);
|
||
|
||
}
|
||
}
|
||
/* Save encoding */
|
||
if (!asn1_enc_save(pval, *in, p - *in, it))
|
||
goto auxerr;
|
||
*in = p;
|
||
if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it))
|
||
goto auxerr;
|
||
return 1;
|
||
|
||
default:
|
||
return 0;
|
||
}
|
||
auxerr:
|
||
;ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_AUX_ERROR);
|
||
return 0;
|
||
}
|
||
|
||
////////////////////asn1_check_eoc//////////////////////////////
|
||
|
||
static int asn1_check_eoc(const unsigned char **in, long len)
|
||
{
|
||
const unsigned char *p;
|
||
if (len < 2) return 0;
|
||
p = *in;
|
||
if (!p[0] && !p[1])
|
||
{
|
||
*in += 2;
|
||
return 1;
|
||
}
|
||
return 0;
|
||
}
|
||
/////////////asn1_check_tlen///////////////////////
|
||
|
||
static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass,
|
||
char *inf, char *cst,
|
||
const unsigned char **in, long len,
|
||
int exptag, int expclass, char opt,
|
||
ASN1_TLC *ctx)
|
||
{
|
||
int i;
|
||
int ptag, pclass;
|
||
long plen;
|
||
const unsigned char *p, *q;
|
||
p = *in;
|
||
q = p;
|
||
|
||
if (ctx && ctx->valid)
|
||
{
|
||
i = ctx->ret;
|
||
plen = ctx->plen;
|
||
pclass = ctx->pclass;
|
||
ptag = ctx->ptag;
|
||
p += ctx->hdrlen;
|
||
}
|
||
else
|
||
{
|
||
i = ASN1_get_object(&p, &plen, &ptag, &pclass, len);//start
|
||
if (ctx)
|
||
{
|
||
ctx->ret = i;//i<><69>ָʲô<CAB2>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD>
|
||
ctx->plen = plen;
|
||
ctx->pclass = pclass;
|
||
ctx->ptag = ptag;
|
||
ctx->hdrlen = p - q;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˶<EFBFBD><CBB6>ٸ<EFBFBD><D9B8>ֽڼ<D6BD>0x30,0x82,0x04,0x52,4<><34>
|
||
ctx->valid = 1;
|
||
|
||
if (!(i & 0x81) && ((plen + ctx->hdrlen) > len))
|
||
{
|
||
ASN1err(ASN1_F_ASN1_CHECK_TLEN,
|
||
ASN1_R_TOO_LONG);
|
||
asn1_tlc_clear(ctx);
|
||
return 0;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (i & 0x80)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_BAD_OBJECT_HEADER);
|
||
asn1_tlc_clear(ctx);
|
||
return 0;
|
||
}
|
||
if (exptag >= 0)
|
||
{
|
||
if ((exptag != ptag) || (expclass != pclass))//different,ptag=0,expclass=128
|
||
{
|
||
|
||
if (opt) return -1;
|
||
asn1_tlc_clear(ctx);
|
||
ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_WRONG_TAG);
|
||
// return 1;
|
||
}
|
||
|
||
asn1_tlc_clear(ctx);
|
||
}
|
||
|
||
if (i & 1)
|
||
plen = len - (p - q);
|
||
|
||
if (inf)
|
||
*inf = i & 1;
|
||
|
||
if (cst)
|
||
*cst = i & V_ASN1_CONSTRUCTED;
|
||
|
||
if (olen)
|
||
*olen = plen;
|
||
|
||
if (oclass)
|
||
*oclass = pclass;
|
||
|
||
if (otag)
|
||
*otag = ptag;
|
||
|
||
*in = p;//֤<><D6A4><EFBFBD><EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
|
||
|
||
return 1;
|
||
}
|
||
|
||
///////////asn1_d2i_ex_primitive///////////////
|
||
|
||
static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
|
||
const unsigned char **in, long inlen,
|
||
const ASN1_ITEM *it,
|
||
int tag, int aclass, char opt, ASN1_TLC *ctx)
|
||
{
|
||
int ret = 0, utype;
|
||
long plen;
|
||
char cst, inf, free_cont = 0;
|
||
const unsigned char *p;
|
||
BUF_MEM buf;
|
||
const unsigned char *cont = NULL;
|
||
long len;
|
||
if (!pval)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_ILLEGAL_NULL);
|
||
return 0; /* Should never happen */
|
||
}
|
||
|
||
if (it->itype == ASN1_ITYPE_MSTRING)
|
||
{
|
||
utype = tag;
|
||
tag = -1;
|
||
}
|
||
else
|
||
utype = it->utype;
|
||
|
||
if (utype == V_ASN1_ANY)
|
||
{
|
||
/* If type is ANY need to figure out type from tag */
|
||
unsigned char oclass;
|
||
if (tag >= 0)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
|
||
ASN1_R_ILLEGAL_TAGGED_ANY);
|
||
return 0;
|
||
}
|
||
if (opt)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
|
||
ASN1_R_ILLEGAL_OPTIONAL_ANY);
|
||
return 0;
|
||
}
|
||
p = *in;
|
||
ret = asn1_check_tlen(NULL, &utype, &oclass, NULL, NULL,
|
||
&p, inlen, -1, 0, 0, ctx);
|
||
if (!ret)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
|
||
ERR_R_NESTED_ASN1_ERROR);
|
||
return 0;
|
||
}
|
||
if (oclass != V_ASN1_UNIVERSAL)
|
||
utype = V_ASN1_OTHER;
|
||
}
|
||
if (tag == -1)
|
||
{
|
||
tag = utype;
|
||
aclass = V_ASN1_UNIVERSAL;
|
||
}
|
||
p = *in;
|
||
/* Check header */
|
||
ret = asn1_check_tlen(&plen, NULL, NULL, &inf, &cst, //CHECK INTERGER
|
||
&p, inlen, tag, aclass, opt, ctx);
|
||
if (!ret)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ERR_R_NESTED_ASN1_ERROR);
|
||
return 0;
|
||
}
|
||
else if (ret == -1)
|
||
return -1;
|
||
ret = 0;
|
||
|
||
if ((utype == V_ASN1_SEQUENCE)
|
||
|| (utype == V_ASN1_SET) || (utype == V_ASN1_OTHER))
|
||
{
|
||
|
||
if (utype == V_ASN1_OTHER)
|
||
{
|
||
asn1_tlc_clear(ctx);
|
||
}
|
||
|
||
else if (!cst)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
|
||
ASN1_R_TYPE_NOT_CONSTRUCTED);
|
||
return 0;
|
||
}
|
||
|
||
cont = *in;
|
||
if (inf)
|
||
{
|
||
len = p - cont;
|
||
}
|
||
else
|
||
{
|
||
len = p - cont + plen;
|
||
p += plen;
|
||
buf.data = NULL;
|
||
}
|
||
}
|
||
else if (cst)
|
||
{
|
||
buf.length = 0;
|
||
buf.max = 0;
|
||
buf.data = NULL;
|
||
len = buf.length;
|
||
/* Append a final null to string */
|
||
if (!BUF_MEM_grow_clean(&buf, len + 1))
|
||
{
|
||
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
|
||
ERR_R_MALLOC_FAILURE);
|
||
return 0;
|
||
}
|
||
buf.data[len] = 0;
|
||
cont = (const unsigned char *)buf.data;
|
||
free_cont = 1;
|
||
}
|
||
else
|
||
{
|
||
cont = p; //INTERGER,0X42c5cc to 0x42c5cd
|
||
len = plen;
|
||
p += plen; //<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>sequece<63>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD><D3B3>ȵ<EFBFBD>
|
||
}
|
||
|
||
/* We now have content length and type: translate into a structure */
|
||
if (!asn1_ex_c2i(pval, cont, len, utype, &free_cont, it)) //asn1 to interger
|
||
goto err;
|
||
|
||
*in = p;//ת<><D7AA>֮<EFBFBD><D6AE><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>p=p+plen
|
||
ret = 1;
|
||
err:
|
||
if (free_cont && buf.data) OPENSSL_free(buf.data);
|
||
return ret;
|
||
}
|
||
|
||
////////////asn1_template_noexp_d2i//////////////////////////
|
||
|
||
static int asn1_template_noexp_d2i(ASN1_VALUE **val,
|
||
const unsigned char **in, long len,
|
||
const ASN1_TEMPLATE *tt, char opt,
|
||
ASN1_TLC *ctx)
|
||
{
|
||
int flags, aclass;
|
||
int ret;
|
||
const unsigned char *p, *q;
|
||
if (!val)
|
||
return 0;
|
||
flags = tt->flags;
|
||
aclass = flags & ASN1_TFLG_TAG_CLASS;
|
||
|
||
p = *in;
|
||
q = p;
|
||
|
||
if (flags & ASN1_TFLG_SK_MASK)
|
||
{
|
||
|
||
int sktag, skaclass;
|
||
char sk_eoc;
|
||
|
||
if (flags & ASN1_TFLG_IMPTAG)
|
||
{
|
||
sktag = tt->tag;
|
||
skaclass = aclass;
|
||
}
|
||
else
|
||
{
|
||
skaclass = V_ASN1_UNIVERSAL;
|
||
if (flags & ASN1_TFLG_SET_OF)
|
||
sktag = V_ASN1_SET;
|
||
else
|
||
sktag = V_ASN1_SEQUENCE;
|
||
}
|
||
|
||
ret = asn1_check_tlen(&len, NULL, NULL, &sk_eoc, NULL,
|
||
&p, len, sktag, skaclass, opt, ctx);
|
||
if (!ret)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I,
|
||
ERR_R_NESTED_ASN1_ERROR);
|
||
return 0;
|
||
}
|
||
else if (ret == -1)
|
||
return -1;
|
||
if (!*val)
|
||
*val = (ASN1_VALUE *)sk_new_null();
|
||
else
|
||
{
|
||
;
|
||
}
|
||
|
||
if (!*val)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I,
|
||
ERR_R_MALLOC_FAILURE);
|
||
goto err;
|
||
}
|
||
|
||
|
||
while(len > 0)
|
||
{
|
||
ASN1_VALUE *skfield;
|
||
q = p;
|
||
|
||
if (asn1_check_eoc(&p, len))
|
||
{
|
||
if (!sk_eoc)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I,
|
||
ASN1_R_UNEXPECTED_EOC);
|
||
goto err;
|
||
}
|
||
len -= p - q;
|
||
sk_eoc = 0;
|
||
break;
|
||
}
|
||
skfield = NULL;
|
||
if (!ASN1_item_ex_d2i(&skfield, &p, len,
|
||
ASN1_ITEM_ptr(tt->item),
|
||
-1, 0, 0, ctx))
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I,
|
||
ERR_R_NESTED_ASN1_ERROR);
|
||
goto err;
|
||
}
|
||
len -= p - q;
|
||
if (!sk_push((STACK *)*val, (char *)skfield))
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I,
|
||
ERR_R_MALLOC_FAILURE);
|
||
goto err;
|
||
}
|
||
}
|
||
if (sk_eoc)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I, ASN1_R_MISSING_EOC);
|
||
goto err;
|
||
}
|
||
}
|
||
else if (flags & ASN1_TFLG_IMPTAG)
|
||
{
|
||
/* IMPLICIT tagging */
|
||
ret = ASN1_item_ex_d2i(val, &p, len,
|
||
ASN1_ITEM_ptr(tt->item), tt->tag, aclass, opt, ctx);
|
||
if (!ret)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I,
|
||
ERR_R_NESTED_ASN1_ERROR);
|
||
goto err;
|
||
}
|
||
else if (ret == -1)
|
||
return -1;
|
||
}
|
||
else
|
||
{
|
||
|
||
ret = ASN1_item_ex_d2i(val, &p, len, ASN1_ITEM_ptr(tt->item),//<2F><>tempate,INTERGER#####
|
||
-1, 0, opt, ctx);
|
||
if (!ret)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_NOEXP_D2I,
|
||
ERR_R_NESTED_ASN1_ERROR);
|
||
//goto err;
|
||
}
|
||
else if (ret == -1)
|
||
return -1;
|
||
}
|
||
|
||
*in = p;
|
||
return 1;
|
||
|
||
err:
|
||
ASN1_template_free(val, tt);
|
||
return 0;
|
||
}
|
||
|
||
/////////////asn1_template_ex_d2i/////////////////////////
|
||
|
||
static int asn1_template_ex_d2i(ASN1_VALUE **val,
|
||
const unsigned char **in, long inlen,
|
||
const ASN1_TEMPLATE *tt, char opt,
|
||
ASN1_TLC *ctx)
|
||
{
|
||
int flags, aclass;
|
||
int ret;
|
||
long len;
|
||
const unsigned char *p, *q;
|
||
char exp_eoc;
|
||
if (!val)
|
||
return 0;
|
||
flags = tt->flags;
|
||
aclass = flags & ASN1_TFLG_TAG_CLASS;
|
||
|
||
p = *in;
|
||
|
||
/* Check if EXPLICIT tag expected */
|
||
if (flags & ASN1_TFLG_EXPTAG)
|
||
{
|
||
char cst;
|
||
|
||
ret = asn1_check_tlen(&len, NULL, NULL, &exp_eoc, &cst,//interger,
|
||
&p, inlen, tt->tag, aclass, opt, ctx);
|
||
q = p;
|
||
if (!ret)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
|
||
ERR_R_NESTED_ASN1_ERROR);
|
||
return 0;
|
||
}
|
||
else if (ret == -1)
|
||
return -1;
|
||
if (!cst)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
|
||
ASN1_R_EXPLICIT_TAG_NOT_CONSTRUCTED);
|
||
return 0;
|
||
}
|
||
/* We've found the field so it can't be OPTIONAL now */
|
||
ret = asn1_template_noexp_d2i(val, &p, len, tt, 0, ctx);//len=3,p=0x42c5ca
|
||
if (!ret)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
|
||
ERR_R_NESTED_ASN1_ERROR);
|
||
return 0;
|
||
}
|
||
/* We read the field in OK so update length */
|
||
len -= p - q;//#####
|
||
if (exp_eoc)
|
||
{
|
||
/* If NDEF we must have an EOC here */
|
||
if (!asn1_check_eoc(&p, len))
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
|
||
ASN1_R_MISSING_EOC);
|
||
goto err;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
|
||
if (len)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
|
||
ASN1_R_EXPLICIT_LENGTH_MISMATCH);
|
||
goto err;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
return asn1_template_noexp_d2i(val, in, inlen,//###
|
||
tt, opt, ctx);
|
||
|
||
*in = p;
|
||
return 1;
|
||
|
||
err:
|
||
ASN1_template_free(val, tt);
|
||
return 0;
|
||
}
|
||
|
||
////////////////////////asn1_ex_c2i///////////////////////////////////////
|
||
|
||
int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
|
||
int utype, char *free_cont, const ASN1_ITEM *it)
|
||
{
|
||
ASN1_VALUE **opval = NULL;
|
||
ASN1_STRING *stmp;
|
||
ASN1_TYPE *typ = NULL;
|
||
int ret = 0;
|
||
const ASN1_PRIMITIVE_FUNCS *pf;
|
||
ASN1_INTEGER **tint;
|
||
pf = it->funcs;
|
||
|
||
if (pf && pf->prim_c2i)
|
||
return pf->prim_c2i(pval, cont, len, utype, free_cont, it);
|
||
/* If ANY type clear type and set pointer to internal value */
|
||
if (it->utype == V_ASN1_ANY)
|
||
{
|
||
if (!*pval)
|
||
{
|
||
typ = ASN1_TYPE_new();
|
||
if (typ == NULL)
|
||
goto err;
|
||
*pval = (ASN1_VALUE *)typ;
|
||
}
|
||
else
|
||
typ = (ASN1_TYPE *)*pval;
|
||
|
||
if (utype != typ->type)
|
||
ASN1_TYPE_set(typ, utype, NULL);
|
||
opval = pval;
|
||
pval = &typ->value.asn1_value;
|
||
}
|
||
switch(utype)
|
||
{
|
||
case V_ASN1_OBJECT:
|
||
if (!c2i_ASN1_OBJECT((ASN1_OBJECT **)pval, &cont, len))
|
||
goto err;
|
||
break;
|
||
|
||
case V_ASN1_NULL:
|
||
if (len)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_EX_C2I,
|
||
ASN1_R_NULL_IS_WRONG_LENGTH);
|
||
goto err;
|
||
}
|
||
*pval = (ASN1_VALUE *)1;
|
||
break;
|
||
|
||
case V_ASN1_BOOLEAN:
|
||
if (len != 1)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_EX_C2I,
|
||
ASN1_R_BOOLEAN_IS_WRONG_LENGTH);
|
||
goto err;
|
||
}
|
||
else
|
||
{
|
||
ASN1_BOOLEAN *tbool;
|
||
tbool = (ASN1_BOOLEAN *)pval;
|
||
*tbool = *cont;
|
||
}
|
||
break;
|
||
|
||
case V_ASN1_BIT_STRING:
|
||
if (!c2i_ASN1_BIT_STRING((ASN1_BIT_STRING **)pval, &cont, len))
|
||
goto err;
|
||
break;
|
||
|
||
case V_ASN1_INTEGER:
|
||
case V_ASN1_NEG_INTEGER:
|
||
case V_ASN1_ENUMERATED:
|
||
case V_ASN1_NEG_ENUMERATED:
|
||
tint = (ASN1_INTEGER **)pval;
|
||
if (!c2i_ASN1_INTEGER(tint, &cont, len))
|
||
goto err;
|
||
/* Fixup type to match the expected form */
|
||
(*tint)->type = utype | ((*tint)->type & V_ASN1_NEG);
|
||
break;
|
||
|
||
case V_ASN1_OCTET_STRING:
|
||
case V_ASN1_NUMERICSTRING:
|
||
case V_ASN1_PRINTABLESTRING:
|
||
case V_ASN1_T61STRING:
|
||
case V_ASN1_VIDEOTEXSTRING:
|
||
case V_ASN1_IA5STRING:
|
||
case V_ASN1_UTCTIME:
|
||
case V_ASN1_GENERALIZEDTIME:
|
||
case V_ASN1_GRAPHICSTRING:
|
||
case V_ASN1_VISIBLESTRING:
|
||
case V_ASN1_GENERALSTRING:
|
||
case V_ASN1_UNIVERSALSTRING:
|
||
case V_ASN1_BMPSTRING:
|
||
case V_ASN1_UTF8STRING:
|
||
case V_ASN1_OTHER:
|
||
case V_ASN1_SET:
|
||
case V_ASN1_SEQUENCE:
|
||
default:
|
||
if (utype == V_ASN1_BMPSTRING && (len & 1))
|
||
{
|
||
ASN1err(ASN1_F_ASN1_EX_C2I,
|
||
ASN1_R_BMPSTRING_IS_WRONG_LENGTH);
|
||
goto err;
|
||
}
|
||
if (utype == V_ASN1_UNIVERSALSTRING && (len & 3))
|
||
{
|
||
ASN1err(ASN1_F_ASN1_EX_C2I,
|
||
ASN1_R_UNIVERSALSTRING_IS_WRONG_LENGTH);
|
||
goto err;
|
||
}
|
||
/* All based on ASN1_STRING and handled the same */
|
||
if (!*pval)
|
||
{
|
||
stmp = ASN1_STRING_type_new(utype);
|
||
if (!stmp)
|
||
{
|
||
ASN1err(ASN1_F_ASN1_EX_C2I,
|
||
ERR_R_MALLOC_FAILURE);
|
||
goto err;
|
||
}
|
||
*pval = (ASN1_VALUE *)stmp;
|
||
}
|
||
else
|
||
{
|
||
stmp = (ASN1_STRING *)*pval;
|
||
stmp->type = utype;
|
||
}
|
||
/* If we've already allocated a buffer use it */
|
||
if (*free_cont)
|
||
{
|
||
if (stmp->data)
|
||
OPENSSL_free(stmp->data);
|
||
stmp->data = (unsigned char *)cont; /* UGLY CAST! RL */
|
||
stmp->length = len;
|
||
*free_cont = 0;
|
||
}
|
||
else
|
||
{
|
||
if (!ASN1_STRING_set(stmp, cont, len))
|
||
{
|
||
ASN1err(ASN1_F_ASN1_EX_C2I,
|
||
ERR_R_MALLOC_FAILURE);
|
||
ASN1_STRING_free(stmp);
|
||
*pval = NULL;
|
||
goto err;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
/* If ASN1_ANY and NULL type fix up value */
|
||
if (typ && (utype == V_ASN1_NULL))
|
||
typ->value.ptr = NULL;
|
||
|
||
ret = 1;
|
||
err:
|
||
if (!ret)
|
||
{
|
||
ASN1_TYPE_free(typ);
|
||
if (opval)
|
||
*opval = NULL;
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
//////////////ASN1_template_free////////////////////////////
|
||
|
||
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);
|
||
}
|
||
|
||
|
||
void reset_D2I_reset(void)
|
||
{
|
||
k=0;
|
||
} |