128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifdef OPENSSL_NO_CT
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# error "CT is disabled"
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#endif
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#include <openssl/asn1.h>
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#include <openssl/bio.h>
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#include "ct_local.h"
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static void SCT_signature_algorithms_print(const SCT *sct, BIO *out)
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{
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int nid = SCT_get_signature_nid(sct);
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if (nid == NID_undef)
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BIO_printf(out, "%02X%02X", sct->hash_alg, sct->sig_alg);
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else
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BIO_printf(out, "%s", OBJ_nid2ln(nid));
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}
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static void timestamp_print(uint64_t timestamp, BIO *out)
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{
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ASN1_GENERALIZEDTIME *gen = ASN1_GENERALIZEDTIME_new();
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char genstr[20];
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if (gen == NULL)
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return;
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ASN1_GENERALIZEDTIME_adj(gen, (time_t)0,
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(int)(timestamp / 86400000),
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(timestamp % 86400000) / 1000);
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/*
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* Note GeneralizedTime from ASN1_GENERALIZETIME_adj is always 15
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* characters long with a final Z. Update it with fractional seconds.
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*/
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BIO_snprintf(genstr, sizeof(genstr), "%.14s.%03dZ",
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ASN1_STRING_get0_data(gen), (unsigned int)(timestamp % 1000));
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if (ASN1_GENERALIZEDTIME_set_string(gen, genstr))
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ASN1_GENERALIZEDTIME_print(out, gen);
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ASN1_GENERALIZEDTIME_free(gen);
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}
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const char *SCT_validation_status_string(const SCT *sct)
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{
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switch (SCT_get_validation_status(sct)) {
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case SCT_VALIDATION_STATUS_NOT_SET:
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return "not set";
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case SCT_VALIDATION_STATUS_UNKNOWN_VERSION:
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return "unknown version";
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case SCT_VALIDATION_STATUS_UNKNOWN_LOG:
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return "unknown log";
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case SCT_VALIDATION_STATUS_UNVERIFIED:
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return "unverified";
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case SCT_VALIDATION_STATUS_INVALID:
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return "invalid";
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case SCT_VALIDATION_STATUS_VALID:
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return "valid";
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}
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return "unknown status";
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}
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void SCT_print(const SCT *sct, BIO *out, int indent,
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const CTLOG_STORE *log_store)
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{
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const CTLOG *log = NULL;
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if (log_store != NULL) {
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log = CTLOG_STORE_get0_log_by_id(log_store, sct->log_id,
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sct->log_id_len);
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}
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BIO_printf(out, "%*sSigned Certificate Timestamp:", indent, "");
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BIO_printf(out, "\n%*sVersion : ", indent + 4, "");
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if (sct->version != SCT_VERSION_V1) {
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BIO_printf(out, "unknown\n%*s", indent + 16, "");
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BIO_hex_string(out, indent + 16, 16, sct->sct, sct->sct_len);
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return;
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}
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BIO_printf(out, "v1 (0x0)");
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if (log != NULL) {
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BIO_printf(out, "\n%*sLog : %s", indent + 4, "",
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CTLOG_get0_name(log));
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}
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BIO_printf(out, "\n%*sLog ID : ", indent + 4, "");
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BIO_hex_string(out, indent + 16, 16, sct->log_id, sct->log_id_len);
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BIO_printf(out, "\n%*sTimestamp : ", indent + 4, "");
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timestamp_print(sct->timestamp, out);
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BIO_printf(out, "\n%*sExtensions: ", indent + 4, "");
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if (sct->ext_len == 0)
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BIO_printf(out, "none");
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else
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BIO_hex_string(out, indent + 16, 16, sct->ext, sct->ext_len);
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BIO_printf(out, "\n%*sSignature : ", indent + 4, "");
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SCT_signature_algorithms_print(sct, out);
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BIO_printf(out, "\n%*s ", indent + 4, "");
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BIO_hex_string(out, indent + 16, 16, sct->sig, sct->sig_len);
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}
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void SCT_LIST_print(const STACK_OF(SCT) *sct_list, BIO *out, int indent,
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const char *separator, const CTLOG_STORE *log_store)
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{
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int sct_count = sk_SCT_num(sct_list);
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int i;
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for (i = 0; i < sct_count; ++i) {
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SCT *sct = sk_SCT_value(sct_list, i);
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SCT_print(sct, out, indent, log_store);
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if (i < sk_SCT_num(sct_list) - 1)
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BIO_printf(out, "%s", separator);
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}
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}
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