22 lines
581 B
C
22 lines
581 B
C
#include "asn1.h"
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size_t scan_asn1oid(const char* src,const char* max,size_t* array,size_t* arraylen) {
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size_t res,tlen;
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unsigned long tag,tmp;
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enum asn1_tagclass tc;
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enum asn1_tagtype tt;
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if (!arraylen) return 0;
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if (!(res=scan_asn1tag(src,max,&tc,&tt,&tag)) ||
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(tc!=UNIVERSAL || tt!=PRIMITIVE || tag!=OBJECT_IDENTIFIER) ||
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!(tmp=scan_asn1length(src+res,max,&tlen)) || tlen<1) {
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*arraylen=0;
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return 0;
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}
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res+=tmp;
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if (max>src+res+tlen) max=src+res+tlen; /* clamp max down */
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src+=res;
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return scan_asn1rawoid(src,max,array,arraylen);
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}
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