Index: doc/tls.html ================================================================== --- doc/tls.html +++ doc/tls.html @@ -254,13 +254,18 @@ SSL2, SSL3, TLS1, TLS1.1, TLS1.2, TLS1.3, or unknown.
sbits n
The number of bits used for the session key.
signatureHashAlgorithm algorithm
The signature hash algorithm.
-
signature_type type
+
signatureType type
The signature type value.
-
verification result
+
verifyDepth n
+
Maximum depth for the certificate chain verification. + Default is -1, to check all.
+
verifyMode list
+
List of certificate verification modes.
+
verifyResult result
Certificate verification result.
ca_names list
List of the Certificate Authorities used to create the certificate.
Index: generic/tls.c ================================================================== --- generic/tls.c +++ generic/tls.c @@ -2100,14 +2100,42 @@ Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("cipher", -1)); Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(ciphers, -1)); } /* Verify the X509 certificate presented by the peer */ - Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("verification", -1)); + Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("verifyResult", -1)); Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)), -1)); + /* Verify mode */ + Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("verifyMode", -1)); + /* SSL_CTX_get_verify_mode(ctx) */ + mode = SSL_get_verify_mode(statePtr->ssl); + if (mode && SSL_VERIFY_NONE) { + Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("none", -1)); + } else { + Tcl_Obj *listObjPtr = Tcl_NewListObj(0, NULL); + if (mode && SSL_VERIFY_PEER) { + Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("peer", -1)); + } + if (mode && SSL_VERIFY_FAIL_IF_NO_PEER_CERT) { + Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("fail if no peer cert", -1)); + } + if (mode && SSL_VERIFY_CLIENT_ONCE) { + Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("client once", -1)); + } + if (mode && SSL_VERIFY_POST_HANDSHAKE) { + Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("post handshake", -1)); + } + Tcl_ListObjAppendElement(interp, objPtr, listObjPtr); + } + + /* Verify mode depth */ + Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("verifyDepth", -1)); + /* SSL_CTX_get_verify_depth(ctx) */ + Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(SSL_get_verify_depth(statePtr->ssl))); + /* Report the selected protocol as a result of the negotiation */ SSL_get0_alpn_selected(statePtr->ssl, &proto, &len); Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("alpn", -1)); Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj((char *)proto, (int) len)); Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("protocol", -1)); @@ -2118,11 +2146,11 @@ if (objc == 2 ? SSL_get_peer_signature_nid(statePtr->ssl, &nid) : SSL_get_signature_nid(statePtr->ssl, &nid)) { Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(OBJ_nid2ln(nid), -1)); } else { Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("", -1)); } - Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("signature_type", -1)); + Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("signatureType", -1)); if (objc == 2 ? SSL_get_peer_signature_type_nid(statePtr->ssl, &nid) : SSL_get_signature_type_nid(statePtr->ssl, &nid)) { Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(OBJ_nid2ln(nid), -1)); } else { Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("", -1)); } Index: generic/tlsX509.c ================================================================== --- generic/tlsX509.c +++ generic/tlsX509.c @@ -31,47 +31,10 @@ static int max(int a, int b) { return (a > b) ? a : b; } -/* - * ASN1_UTCTIME_tostr -- - */ -static char * -ASN1_UTCTIME_tostr(ASN1_UTCTIME *tm) -{ - static char bp[128]; - char *v; - int gmt=0; - static char *mon[12]={ - "Jan","Feb","Mar","Apr","May","Jun", "Jul","Aug","Sep","Oct","Nov","Dec"}; - int i; - int y=0,M=0,d=0,h=0,m=0,s=0; - - i=tm->length; - v=(char *)tm->data; - - if (i < 10) goto err; - if (v[i-1] == 'Z') gmt=1; - for (i=0; i<10; i++) - if ((v[i] > '9') || (v[i] < '0')) goto err; - y= (v[0]-'0')*10+(v[1]-'0'); - if (y < 70) y+=100; - M= (v[2]-'0')*10+(v[3]-'0'); - if ((M > 12) || (M < 1)) goto err; - d= (v[4]-'0')*10+(v[5]-'0'); - h= (v[6]-'0')*10+(v[7]-'0'); - m= (v[8]-'0')*10+(v[9]-'0'); - if ((v[10] >= '0') && (v[10] <= '9') && (v[11] >= '0') && (v[11] <= '9')) - s= (v[10]-'0')*10+(v[11]-'0'); - - sprintf(bp,"%s %2d %02d:%02d:%02d %d%s", mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":""); - return bp; - err: - return "Bad time value"; -} - /* * Binary string to hex string */ int String_to_Hex(char* input, int len, char *output, int max) { int count = 0; @@ -90,11 +53,11 @@ * * ------------------------------------------------* * Converts a X509 certificate into a Tcl_Obj * ------------------------------------------------* * - * Sideeffects: + * Side effects: * None * * Result: * A Tcl List Object representing the provided * X509 certificate. @@ -106,59 +69,62 @@ Tcl_Obj* Tls_NewX509Obj(Tcl_Interp *interp, X509 *cert) { Tcl_Obj *certPtr = Tcl_NewListObj(0, NULL); BIO *bio; - int n; - unsigned long flags; + int nid, pknid, bits, num_of_exts, len; + uint32_t xflags; char subject[BUFSIZ]; char issuer[BUFSIZ]; char serial[BUFSIZ]; char notBefore[BUFSIZ]; char notAfter[BUFSIZ]; char buffer[BUFSIZ]; - char certStr[CERT_STR_SIZE], *certStr_p; - int certStr_len, toRead; - unsigned char sha1_hash_binary[SHA_DIGEST_LENGTH]; - unsigned char sha256_hash_binary[SHA256_DIGEST_LENGTH]; - int nid, pknid, bits, num_of_exts, len; - uint32_t xflags; + char certStr[CERT_STR_SIZE]; + unsigned char md[EVP_MAX_MD_SIZE]; STACK_OF(GENERAL_NAME) *san; - - certStr[0] = 0; - if ((bio = BIO_new(BIO_s_mem())) == NULL) { - subject[0] = 0; - issuer[0] = 0; - serial[0] = 0; - } else { - flags = XN_FLAG_RFC2253 | ASN1_STRFLGS_UTF8_CONVERT; + STACK_OF(DIST_POINT) *crl; + STACK_OF(OPENSSL_STRING) *ocsp; + + certStr[0] = 0; + subject[0] = 0; + issuer[0] = 0; + serial[0] = 0; + notBefore[0] = 0; + notAfter[0] = 0; + if ((bio = BIO_new(BIO_s_mem())) != NULL) { + int n; + unsigned long flags = XN_FLAG_RFC2253 | ASN1_STRFLGS_UTF8_CONVERT; flags &= ~ASN1_STRFLGS_ESC_MSB; - X509_NAME_print_ex(bio, X509_get_subject_name(cert), 0, flags); - n = BIO_read(bio, subject, min(BIO_pending(bio), BUFSIZ - 1)); - n = max(n, 0); - subject[n] = 0; - (void)BIO_flush(bio); - - X509_NAME_print_ex(bio, X509_get_issuer_name(cert), 0, flags); - n = BIO_read(bio, issuer, min(BIO_pending(bio), BUFSIZ - 1)); - n = max(n, 0); - issuer[n] = 0; - (void)BIO_flush(bio); - - i2a_ASN1_INTEGER(bio, X509_get0_serialNumber(cert)); - n = BIO_read(bio, serial, min(BIO_pending(bio), BUFSIZ - 1)); - n = max(n, 0); - serial[n] = 0; - (void)BIO_flush(bio); + /* Get subject name */ + if (X509_NAME_print_ex(bio, X509_get_subject_name(cert), 0, flags) > 0) { + n = BIO_read(bio, subject, min(BIO_pending(bio), BUFSIZ - 1)); + subject[max(n, 0)] = 0; + (void)BIO_flush(bio); + } + + /* Get issuer name */ + if (X509_NAME_print_ex(bio, X509_get_issuer_name(cert), 0, flags) > 0) { + n = BIO_read(bio, issuer, min(BIO_pending(bio), BUFSIZ - 1)); + issuer[max(n, 0)] = 0; + (void)BIO_flush(bio); + } + + /* Get serial number */ + if (i2a_ASN1_INTEGER(bio, X509_get0_serialNumber(cert)) > 0) { + n = BIO_read(bio, serial, min(BIO_pending(bio), BUFSIZ - 1)); + serial[max(n, 0)] = 0; + (void)BIO_flush(bio); + } /* Get certificate */ if (PEM_write_bio_X509(bio, cert)) { - certStr_p = certStr; - certStr_len = 0; + char *certStr_p = certStr; + int certStr_len = 0; while (1) { - toRead = min(BIO_pending(bio), CERT_STR_SIZE - certStr_len - 1); + int toRead = min(BIO_pending(bio), CERT_STR_SIZE - certStr_len - 1); toRead = min(toRead, BUFSIZ); if (toRead == 0) { break; } dprintf("Reading %i bytes from the certificate...", toRead); @@ -171,70 +137,81 @@ } *certStr_p = '\0'; (void)BIO_flush(bio); } - /* All */ + /* Get all cert info */ if (X509_print_ex(bio, cert, flags, 0)) { char all[65536]; n = BIO_read(bio, all, min(BIO_pending(bio), 65535)); - n = max(n, 0); - all[n] = 0; + all[max(n, 0)] = 0; (void)BIO_flush(bio); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("all", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(all, n)); } + + /* Get Validity - Not Before */ + if (ASN1_TIME_print(bio, X509_get0_notBefore(cert))) { + n = BIO_read(bio, notBefore, min(BIO_pending(bio), BUFSIZ - 1)); + notBefore[max(n, 0)] = 0; + (void)BIO_flush(bio); + } + + /* Get Validity - Not After */ + if (ASN1_TIME_print(bio, X509_get0_notAfter(cert))) { + n = BIO_read(bio, notAfter, min(BIO_pending(bio), BUFSIZ - 1)); + notAfter[max(n, 0)] = 0; + (void)BIO_flush(bio); + } BIO_free(bio); } - strcpy(notBefore, ASN1_UTCTIME_tostr(X509_get0_notBefore(cert))); - strcpy(notAfter, ASN1_UTCTIME_tostr(X509_get0_notAfter(cert))); - - /* Version */ + /* Version of the encoded certificate */ Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("version", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewLongObj(X509_get_version(cert)+1)); - /* Signature algorithm */ + /* Signature algorithm used by the CA to sign the certificate. Must match signatureAlgorithm. */ Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signature", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(X509_get_signature_nid(cert)),-1)); - + /* SHA1 Fingerprint of cert - DER representation */ - X509_digest(cert, EVP_sha1(), sha1_hash_binary, &len); - len = String_to_Hex(sha1_hash_binary, len, buffer, BUFSIZ); + X509_digest(cert, EVP_sha1(), md, &len); + len = String_to_Hex(md, len, buffer, BUFSIZ); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("sha1_hash", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len)); /* SHA256 Fingerprint of cert - DER representation */ - X509_digest(cert, EVP_sha256(), sha256_hash_binary, &len); - len = String_to_Hex(sha256_hash_binary, len, buffer, BUFSIZ); + X509_digest(cert, EVP_sha256(), md, &len); + len = String_to_Hex(md, len, buffer, BUFSIZ); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("sha256_hash", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len)); + /* The subject identifies the entity associated with the public key stored in the subject public key field. */ Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subject", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(subject, -1)); + /* The issuer identifies the entity that has signed and issued the certificate. */ Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuer", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(issuer, -1)); + /* Certificate validity period is the time interval during which the CA + warrants that it will maintain information about the status of the certificate. */ Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("notBefore", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(notBefore, -1)); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("notAfter", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(notAfter, -1)); + /* Unique number assigned by CA to certificate. */ Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("serialNumber", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(serial, -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("certificate", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(certStr, -1)); - num_of_exts = X509_get_ext_count(cert); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("num_extensions", -1)); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(num_of_exts)); - /* Information about the signature of certificate cert */ + /* Contains the public key and identify the algorithm with which the key is used */ if (X509_get_signature_info(cert, &nid, &pknid, &bits, &xflags) == 1) { ASN1_BIT_STRING *key; Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signingDigest", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(nid),-1)); @@ -242,23 +219,24 @@ Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(pknid),-1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("bits", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(bits)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("extension_flags", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(xflags)); - + /* Public key - X509_get0_pubkey */ key = X509_get0_pubkey_bitstr(cert); len = String_to_Hex(key->data, key->length, buffer, BUFSIZ); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("publicKey", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len)); - + /* Check if cert was issued by CA cert issuer or self signed */ Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("self_signed", -1)); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewBooleanObj(X509_check_issued(cert, cert) == X509_V_OK)); } - /* Unique Ids */ + /* Unique Ids - The unique identifiers are present in the certificate to handle the + possibility of reuse of subject and/or issuer names over time.*/ { const ASN1_BIT_STRING *iuid, *suid; X509_get0_uids(cert, &iuid, &suid); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuerUniqueId", -1)); if (iuid != NULL) { @@ -273,11 +251,16 @@ } else { Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1)); } } - /* Get extensions */ + /* Count of extensions */ + num_of_exts = X509_get_ext_count(cert); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("num_extensions", -1)); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(num_of_exts)); + + /* Get extension names */ if (num_of_exts > 0) { Tcl_Obj *extsPtr = Tcl_NewListObj(0, NULL); const STACK_OF(X509_EXTENSION) *exts; exts = X509_get0_extensions(cert); @@ -289,11 +272,98 @@ } Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("extensions", -1)); Tcl_ListObjAppendElement(interp, certPtr, extsPtr); } - /* Subject Alternative Name (SAN) extension. Additional host names for a single SSL certificate. */ + /* Certificate Alias as UTF-8 string */ + { + unsigned char *bstring; + len = 0; + bstring = X509_alias_get0(cert, &len); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("alias", -1)); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj((char *)bstring, len)); + } + + /* Get Subject Key id, Authority Key id. The Authority Key Identifier (AKI) of a + certificate should be the Subject Key Identifier (SKI) of its signer (the CA). */ + { + /* Identifies certificates that contain a particular public key */ + ASN1_OCTET_STRING *astring; + /* X509_keyid_get0 */ + astring = X509_get0_subject_key_id(cert); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectKeyIdentifier", -1)); + if (astring != NULL) { + len = String_to_Hex((char *)ASN1_STRING_get0_data(astring), ASN1_STRING_length(astring), buffer, BUFSIZ); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len)); + } else { + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1)); + } + + /* Identifies the public key corresponding to the private key used to sign a certificate */ + astring = X509_get0_authority_key_id(cert); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("authorityKeyIdentifier", -1)); + if (astring != NULL) { + len = String_to_Hex((char *)ASN1_STRING_get0_data(astring), ASN1_STRING_length(astring), buffer, BUFSIZ); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len)); + } else { + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1)); + } + + /* const GENERAL_NAMES *X509_get0_authority_issuer(cert); + const ASN1_INTEGER *X509_get0_authority_serial(cert); */ + } + + /* Signature algorithm and value */ + /* The signatureAlgorithm field contains the identifier for the cryptographic algorithm + used by the CA to sign this certificate. The signatureValue field contains a digital + signature computed upon the ASN.1 DER encoded tbsCertificate. */ + { + const X509_ALGOR *sig_alg; + const ASN1_BIT_STRING *sig; + int sig_nid; + + X509_get0_signature(&sig, &sig_alg, cert); + /* sig_nid = X509_get_signature_nid(cert) */ + sig_nid = OBJ_obj2nid(sig_alg->algorithm); + + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureAlgorithm", -1)); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(sig_nid),-1)); + + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureValue", -1)); + if (sig_nid != NID_undef) { + len = String_to_Hex(sig->data, sig->length, buffer, BUFSIZ); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len)); + } else { + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1)); + } + } + + /* Key usage extension defines the purpose (e.g., encipherment, signature, certificate + signing) of the key contained in the certificate. */ + { + Tcl_Obj *purpPtr = Tcl_NewListObj(0, NULL); + for (int j = 0; j < X509_PURPOSE_get_count(); j++) { + X509_PURPOSE *ptmp = X509_PURPOSE_get0(j); + Tcl_Obj *tmpPtr = Tcl_NewListObj(0, NULL); + + for (int i = 0; i < 2; i++) { + int idret = X509_check_purpose(cert, X509_PURPOSE_get_id(ptmp), i); + Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj(i ? "CA" : "nonCA", -1)); + Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj(idret ? "Yes" : "No", -1)); + } + Tcl_ListObjAppendElement(interp, purpPtr, Tcl_NewStringObj(X509_PURPOSE_get0_name(ptmp), -1)); + Tcl_ListObjAppendElement(interp, purpPtr, tmpPtr); + } + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("certificatePurpose", -1)); + Tcl_ListObjAppendElement(interp, certPtr, purpPtr); + } + + /* Certificate Policies - indicates the issuing CA considers its issuerDomainPolicy + equivalent to the subject CA's subjectDomainPolicy. */ + + /* Subject Alternative Name (SAN) extension. Additional URLs, DNS name, or IP addresses + bound to certificate. */ san = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL); if (san) { Tcl_Obj *namesPtr = Tcl_NewListObj(0, NULL); for (int i=0; i < sk_GENERAL_NAME_num(san); i++) { @@ -315,80 +385,56 @@ sk_GENERAL_NAME_pop_free(san, GENERAL_NAME_free); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectAltName", -1)); Tcl_ListObjAppendElement(interp, certPtr, namesPtr); } - /* Certificate Alias */ - { - unsigned char *bstring; - len = 0; - bstring = X509_alias_get0(cert, &len); - len = String_to_Hex(bstring, len, buffer, BUFSIZ); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("alias", -1)); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len)); - } - - /* Get Subject Key id, Authority Key id */ - { - ASN1_OCTET_STRING *astring; - /* X509_keyid_get0 */ - astring = X509_get0_subject_key_id(cert); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectKeyIdentifier", -1)); - if (astring != NULL) { - len = String_to_Hex((char *)ASN1_STRING_get0_data(astring), ASN1_STRING_length(astring), buffer, BUFSIZ); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj(buffer, len)); - } else { - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1)); - } - - astring = X509_get0_authority_key_id(cert); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("authorityKeyIdentifier", -1)); - if (astring != NULL) { - len = String_to_Hex((char *)ASN1_STRING_get0_data(astring), ASN1_STRING_length(astring), buffer, BUFSIZ); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj(buffer, len)); - } else { - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1)); - } - - /* const GENERAL_NAMES *X509_get0_authority_issuer(cert); - const ASN1_INTEGER *X509_get0_authority_serial(cert); */ - } + /* Get the STACK of all crl distribution point entries for this certificate. */ + /* CRL_DIST_POINTS is typedef on STACK_OF(DIST_POINT). */ + crl = X509_get_ext_d2i(cert, NID_crl_distribution_points, NULL, NULL); + if (crl) { + Tcl_Obj *namesPtr = Tcl_NewListObj(0, NULL); + + for (int i=0; i < sk_GENERAL_NAME_num(crl); i++) { + const GENERAL_NAME *name = sk_GENERAL_NAME_value(crl, i); + size_t len2; + + if (name) { + if (name->type == GEN_DNS) { + char *dns_name; + if ((len2 = ASN1_STRING_to_UTF8(&dns_name, name->d.dNSName)) > 0) { + Tcl_ListObjAppendElement(interp, namesPtr, Tcl_NewStringObj(dns_name, (int)len2)); + OPENSSL_free (dns_name); + } + } else if (name->type == GEN_IPADD) { + /* name->d.iPAddress */ + } + } + } + sk_GENERAL_NAME_pop_free(crl, GENERAL_NAME_free); + Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("cRLDistributionPoints", -1)); + Tcl_ListObjAppendElement(interp, certPtr, namesPtr); + } + + + /* Issuer Alternative Name */ + /* Subject Directory Attributes */ + + /* Basic Constraints - identifies whether the subject of the certificate is a CA and + the maximum depth of valid certification paths that include this certificate. */ /* Get OSCP URL */ - { - STACK_OF(OPENSSL_STRING) *str_stack = X509_get1_ocsp(cert); + ocsp = X509_get1_ocsp(cert); + if (ocsp) { Tcl_Obj *urlsPtr = Tcl_NewListObj(0, NULL); - for (int i = 0; i < sk_OPENSSL_STRING_num(str_stack); i++) { + for (int i = 0; i < sk_OPENSSL_STRING_num(ocsp); i++) { Tcl_ListObjAppendElement(interp, urlsPtr, - Tcl_NewStringObj(sk_OPENSSL_STRING_value(str_stack, i), -1)); + Tcl_NewStringObj(sk_OPENSSL_STRING_value(ocsp, i), -1)); } - X509_email_free(str_stack); + X509_email_free(ocsp); Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("ocsp", -1)); Tcl_ListObjAppendElement(interp, certPtr, urlsPtr); - } - - /* Signature algorithm and value */ - { - const X509_ALGOR *sig_alg; - const ASN1_BIT_STRING *sig; - int sig_nid; - - X509_get0_signature(&sig, &sig_alg, cert); - /* sig_nid = X509_get_signature_nid(cert) */ - sig_nid = OBJ_obj2nid(sig_alg->algorithm); - - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureAlgorithm", -1)); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(sig_nid),-1)); - - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureValue", -1)); - if (sig_nid != NID_undef) { - len = String_to_Hex(sig->data, sig->length, buffer, BUFSIZ); - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len)); - } else { - Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1)); - } } return certPtr; }