Fix a bug in the modified purpose code: it wasn't updated to use the

new purpose getting function.

Update the ca-cert.pem and pca-cert.pem "CA" certificates so they
really are CA certificate: that is they have the appropriate extensions.

certs/ca-cert.pem

-issuer= /C=AU/ST=Queensland/O=CryptSoft Pty Ltd/CN=Test PCA (1024 bit)
-subject=/C=AU/ST=Queensland/O=CryptSoft Pty Ltd/CN=Test CA (1024 bit)
 -----BEGIN CERTIFICATE-----
-MIICJjCCAY8CAQAwDQYJKoZIhvcNAQEEBQAwXDELMAkGA1UEBhMCQVUxEzARBgNV
-BAgTClF1ZWVuc2xhbmQxGjAYBgNVBAoTEUNyeXB0U29mdCBQdHkgTHRkMRwwGgYD
-VQQDExNUZXN0IFBDQSAoMTAyNCBiaXQpMB4XDTk3MDYwOTEzNTc0M1oXDTAxMDYw
-OTEzNTc0M1owWzELMAkGA1UEBhMCQVUxEzARBgNVBAgTClF1ZWVuc2xhbmQxGjAY
-BgNVBAoTEUNyeXB0U29mdCBQdHkgTHRkMRswGQYDVQQDExJUZXN0IENBICgxMDI0
-IGJpdCkwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAKO7o8t116VP6cgybTsZ
-DCZhr95nYlZuya3aCi1IKoztqwWnjbmDFIriOqGFPrZQ+moMETC9D59iRW/dFXSv
-1F65ka/XY2hLh9exCCo7XuUcDs53Qp3bI3AmMqHjgzE8oO3ajyJAzJkTTOUecQU2
-mw/gI4tMM0LqWMQS7luTy4+xAgMBAAEwDQYJKoZIhvcNAQEEBQADgYEAM7achv3v
-hLQJcv/65eGEpBXM40ZDVoFQFFJWaY5p883HTqLB1x4FdzsXHH0QKBTcKpWwqyu4
-YDm3fb8oDugw72bCzfyZK/zVZPR/hVlqI/fvU109Qoc+7oPvIXWky71HfcK6ZBCA
-q30KIqGM/uoM60INq97qjDmCJapagcNBGQs=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 -----END CERTIFICATE-----
 -----BEGIN RSA PRIVATE KEY-----
 MIICXQIBAAKBgQCju6PLddelT+nIMm07GQwmYa/eZ2JWbsmt2gotSCqM7asFp425

certs/pca-cert.pem

-issuer= /C=AU/ST=Queensland/O=CryptSoft Pty Ltd/CN=Test PCA (1024 bit)
-subject=/C=AU/ST=Queensland/O=CryptSoft Pty Ltd/CN=Test PCA (1024 bit)
 -----BEGIN CERTIFICATE-----
-MIICJzCCAZACAQAwDQYJKoZIhvcNAQEEBQAwXDELMAkGA1UEBhMCQVUxEzARBgNV
-BAgTClF1ZWVuc2xhbmQxGjAYBgNVBAoTEUNyeXB0U29mdCBQdHkgTHRkMRwwGgYD
-VQQDExNUZXN0IFBDQSAoMTAyNCBiaXQpMB4XDTk3MDYwOTEzNTczN1oXDTAxMDYw
-OTEzNTczN1owXDELMAkGA1UEBhMCQVUxEzARBgNVBAgTClF1ZWVuc2xhbmQxGjAY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 BgNVBAoTEUNyeXB0U29mdCBQdHkgTHRkMRwwGgYDVQQDExNUZXN0IFBDQSAoMTAy
-NCBiaXQpMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCdoWk/3+WcMlfjIrkg
-40ketmnQaEogQe1LLcuOJV6rKfUSAsPgwgsabJ/wn8TxA1yy3eKJbFl3OiUXMRsp
-22Jp85PmemiDzyUIStwk72qhp1imbANZvlmlCFKiQrjUyuDfu4TABmn+kkt3vR1Y
-BEOGt+IFye1UBVSATVdRJ2UVhwIDAQABMA0GCSqGSIb3DQEBBAUAA4GBABNA1u/S
-Cg/LJZWb7GliiKJsvuhxlE4E5JxQF2zMub/CSNbF97//tYSyj96sxeFQxZXbcjm9
-xt6mr/xNLA4szNQMJ4P+L7b5e/jC5DSqlwS+CUYJgaFs/SP+qJoCSu1bR3IM9XWO
-cRBpDmcBbYLkSyB92WURvsZ1LtjEcn+cdQVI
+NCBiaXQpggEAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEEBQADgYEAUa8B3pho
++Mvxeq9HsEzJxHIFQla05S5J/e/V+DQTYoKiRFchKPrDAdrzYSEvP3h4QJEtsNqQ
+JfOxg5M42uLFq7aPGWkF6ZZqZsYS+zA9IVT14g7gNA6Ne+5QtJqQtH9HA24st0T0
+Tga/lZ9M2ovImovaxSL/kRHbpCWcqWVxpOw=
 -----END CERTIFICATE-----
 -----BEGIN RSA PRIVATE KEY-----
 MIICXAIBAAKBgQCdoWk/3+WcMlfjIrkg40ketmnQaEogQe1LLcuOJV6rKfUSAsPg

crypto/x509v3/v3_purp.c

@@ -107,7 +107,7 @@ int X509_check_purpose(X509 *x, int id, int ca)
 	if(id == -1) return 1;
 	idx = X509_PURPOSE_get_by_id(id);
 	if(idx == -1) return -1;
-	pt = sk_X509_PURPOSE_value(xptable, idx);
+	pt = X509_PURPOSE_iget(idx);
 	return pt->check_purpose(pt, x, ca);
 }