106 static const char *getASN1Element(curl_asn1Element *elem,
110 static const char *getASN1Element(curl_asn1Element *elem,  in getASN1Element()  argument
126   elem->header = beg;  in getASN1Element()
128   elem->constructed = (b & 0x20) != 0;  in getASN1Element()
129   elem->class = (b >> 6) & 3;  in getASN1Element()
133   elem->tag = b;  in getASN1Element()
144     if(!elem->constructed)  in getASN1Element()
146     elem->beg = beg;  in getASN1Element()
154     elem->end = beg;  in getASN1Element()
170   elem->beg = beg;  in getASN1Element()
171   elem->end = beg + len;  in getASN1Element()
172   return elem->end;  in getASN1Element()
567 static const char *ASN1tostr(curl_asn1Element *elem, int type)  in ASN1tostr()  argument
569   if(elem->constructed)  in ASN1tostr()
573     type = elem->tag;   /* Type not forced: use element tag as type. */  in ASN1tostr()
577     return bool2str(elem->beg, elem->end);  in ASN1tostr()
580     return int2str(elem->beg, elem->end);  in ASN1tostr()
582     return bit2str(elem->beg, elem->end);  in ASN1tostr()
584     return octet2str(elem->beg, elem->end);  in ASN1tostr()
588     return OID2str(elem->beg, elem->end, TRUE);  in ASN1tostr()
590     return UTime2str(elem->beg, elem->end);  in ASN1tostr()
592     return GTime2str(elem->beg, elem->end);  in ASN1tostr()
601     return string2str(type, elem->beg, elem->end);  in ASN1tostr()
708   curl_asn1Element elem;  in Curl_parseX509()  local
718   if(!getASN1Element(&elem, beg, end))  in Curl_parseX509()
720   beg = elem.beg;  in Curl_parseX509()
721   end = elem.end;  in Curl_parseX509()
742   beg = getASN1Element(&elem, beg, end);  in Curl_parseX509()
745   if(elem.tag == 0) {  in Curl_parseX509()
746     if(!getASN1Element(&cert->version, elem.beg, elem.end))  in Curl_parseX509()
748     beg = getASN1Element(&elem, beg, end);  in Curl_parseX509()
752   cert->serialNumber = elem;  in Curl_parseX509()
760   beg = getASN1Element(&elem, beg, end);  in Curl_parseX509()
763   ccp = getASN1Element(&cert->notBefore, elem.beg, elem.end);  in Curl_parseX509()
766   if(!getASN1Element(&cert->notAfter, ccp, elem.end))  in Curl_parseX509()
786   cert->extensions.tag = elem.tag = 0;  in Curl_parseX509()
793     beg = getASN1Element(&elem, beg, end);  in Curl_parseX509()
797   if(elem.tag == 1) {  in Curl_parseX509()
798     cert->issuerUniqueID = elem;  in Curl_parseX509()
800       beg = getASN1Element(&elem, beg, end);  in Curl_parseX509()
805   if(elem.tag == 2) {  in Curl_parseX509()
806     cert->subjectUniqueID = elem;  in Curl_parseX509()
808       beg = getASN1Element(&elem, beg, end);  in Curl_parseX509()
813   if(elem.tag == 3)  in Curl_parseX509()
814     if(!getASN1Element(&cert->extensions, elem.beg, elem.end))  in Curl_parseX509()
857                             const char *label, curl_asn1Element *elem)  in do_pubkey_field()  argument
863   output = ASN1tostr(elem, 0);  in do_pubkey_field()
877   curl_asn1Element elem;  in do_pubkey()  local
891     p = getASN1Element(&elem, pk.beg, pk.end);  in do_pubkey()
896     for(q = elem.beg; !*q && q < elem.end; q++)  in do_pubkey()
898     len = (unsigned long)((elem.end - q) * 8);  in do_pubkey()
903       elem.beg = q;     /* Strip leading zero bytes. */  in do_pubkey()
914     do_pubkey_field(data, certnum, "rsa(n)", &elem);  in do_pubkey()
915     if(!getASN1Element(&elem, p, pk.end))  in do_pubkey()
917     do_pubkey_field(data, certnum, "rsa(e)", &elem);  in do_pubkey()
920     p = getASN1Element(&elem, param->beg, param->end);  in do_pubkey()
922       do_pubkey_field(data, certnum, "dsa(p)", &elem);  in do_pubkey()
923       p = getASN1Element(&elem, p, param->end);  in do_pubkey()
925         do_pubkey_field(data, certnum, "dsa(q)", &elem);  in do_pubkey()
926         if(getASN1Element(&elem, p, param->end)) {  in do_pubkey()
927           do_pubkey_field(data, certnum, "dsa(g)", &elem);  in do_pubkey()
934     p = getASN1Element(&elem, param->beg, param->end);  in do_pubkey()
936       do_pubkey_field(data, certnum, "dh(p)", &elem);  in do_pubkey()
937       if(getASN1Element(&elem, param->beg, param->end)) {  in do_pubkey()
938         do_pubkey_field(data, certnum, "dh(g)", &elem);  in do_pubkey()
1140   curl_asn1Element elem;  in Curl_verifyhost()  local
1187       ext.beg = getASN1Element(&elem, ext.beg, ext.end);  in Curl_verifyhost()
1191       if(elem.tag == CURL_ASN1_BOOLEAN) {  in Curl_verifyhost()
1192         ext.beg = getASN1Element(&elem, ext.beg, ext.end);  in Curl_verifyhost()
1197       if(!getASN1Element(&elem, elem.beg, elem.end))  in Curl_verifyhost()
1200       for(q = elem.beg; matched != 1 && q < elem.end;) {  in Curl_verifyhost()
1201         q = getASN1Element(&name, q, elem.end);  in Curl_verifyhost()
1247       p = getASN1Element(&elem, p, dn.end);  in Curl_verifyhost()
1251       elem.beg = checkOID(elem.beg, elem.end, cnOID);  in Curl_verifyhost()
1252       if(elem.beg)  in Curl_verifyhost()
1253         name = elem;    /* Latch CN. */  in Curl_verifyhost()
1258   if(!getASN1Element(&elem, name.beg, name.end))  in Curl_verifyhost()
1261     len = utf8asn1str(&dnsname, elem.tag, elem.beg, elem.end);  in Curl_verifyhost()