1 files changed, 127 insertions, 0 deletions

diff --git a/src/lib/libcrypto/ct/ct_prn.c b/src/lib/libcrypto/ct/ct_prn.c
new file mode 100644
index 0000000000..e6584b57f3
--- /dev/null
+++ b/src/lib/libcrypto/ct/ct_prn.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifdef OPENSSL_NO_CT
+# error "CT is disabled"
+#endif
+
+#include <openssl/asn1.h>
+#include <openssl/bio.h>
+
+#include "ct_local.h"
+
+static void SCT_signature_algorithms_print(const SCT *sct, BIO *out)
+{
+    int nid = SCT_get_signature_nid(sct);
+
+    if (nid == NID_undef)
+        BIO_printf(out, "%02X%02X", sct->hash_alg, sct->sig_alg);
+    else
+        BIO_printf(out, "%s", OBJ_nid2ln(nid));
+}
+
+static void timestamp_print(uint64_t timestamp, BIO *out)
+{
+    ASN1_GENERALIZEDTIME *gen = ASN1_GENERALIZEDTIME_new();
+    char genstr[20];
+
+    if (gen == NULL)
+        return;
+    ASN1_GENERALIZEDTIME_adj(gen, (time_t)0,
+                             (int)(timestamp / 86400000),
+                             (timestamp % 86400000) / 1000);
+    /*
+     * Note GeneralizedTime from ASN1_GENERALIZETIME_adj is always 15
+     * characters long with a final Z. Update it with fractional seconds.
+     */
+    BIO_snprintf(genstr, sizeof(genstr), "%.14s.%03dZ",
+                 ASN1_STRING_get0_data(gen), (unsigned int)(timestamp % 1000));
+    if (ASN1_GENERALIZEDTIME_set_string(gen, genstr))
+        ASN1_GENERALIZEDTIME_print(out, gen);
+    ASN1_GENERALIZEDTIME_free(gen);
+}
+
+const char *SCT_validation_status_string(const SCT *sct)
+{
+
+    switch (SCT_get_validation_status(sct)) {
+    case SCT_VALIDATION_STATUS_NOT_SET:
+        return "not set";
+    case SCT_VALIDATION_STATUS_UNKNOWN_VERSION:
+        return "unknown version";
+    case SCT_VALIDATION_STATUS_UNKNOWN_LOG:
+        return "unknown log";
+    case SCT_VALIDATION_STATUS_UNVERIFIED:
+        return "unverified";
+    case SCT_VALIDATION_STATUS_INVALID:
+        return "invalid";
+    case SCT_VALIDATION_STATUS_VALID:
+        return "valid";
+    }
+    return "unknown status";
+}
+
+void SCT_print(const SCT *sct, BIO *out, int indent,
+               const CTLOG_STORE *log_store)
+{
+    const CTLOG *log = NULL;
+
+    if (log_store != NULL) {
+        log = CTLOG_STORE_get0_log_by_id(log_store, sct->log_id,
+                                         sct->log_id_len);
+    }
+
+    BIO_printf(out, "%*sSigned Certificate Timestamp:", indent, "");
+    BIO_printf(out, "\n%*sVersion   : ", indent + 4, "");
+
+    if (sct->version != SCT_VERSION_V1) {
+        BIO_printf(out, "unknown\n%*s", indent + 16, "");
+        BIO_hex_string(out, indent + 16, 16, sct->sct, sct->sct_len);
+        return;
+    }
+
+    BIO_printf(out, "v1 (0x0)");
+
+    if (log != NULL) {
+        BIO_printf(out, "\n%*sLog       : %s", indent + 4, "",
+                   CTLOG_get0_name(log));
+    }
+
+    BIO_printf(out, "\n%*sLog ID    : ", indent + 4, "");
+    BIO_hex_string(out, indent + 16, 16, sct->log_id, sct->log_id_len);
+
+    BIO_printf(out, "\n%*sTimestamp : ", indent + 4, "");
+    timestamp_print(sct->timestamp, out);
+
+    BIO_printf(out, "\n%*sExtensions: ", indent + 4, "");
+    if (sct->ext_len == 0)
+        BIO_printf(out, "none");
+    else
+        BIO_hex_string(out, indent + 16, 16, sct->ext, sct->ext_len);
+
+    BIO_printf(out, "\n%*sSignature : ", indent + 4, "");
+    SCT_signature_algorithms_print(sct, out);
+    BIO_printf(out, "\n%*s            ", indent + 4, "");
+    BIO_hex_string(out, indent + 16, 16, sct->sig, sct->sig_len);
+}
+
+void SCT_LIST_print(const STACK_OF(SCT) *sct_list, BIO *out, int indent,
+                    const char *separator, const CTLOG_STORE *log_store)
+{
+    int sct_count = sk_SCT_num(sct_list);
+    int i;
+
+    for (i = 0; i < sct_count; ++i) {
+        SCT *sct = sk_SCT_value(sct_list, i);
+
+        SCT_print(sct, out, indent, log_store);
+        if (i < sk_SCT_num(sct_list) - 1)
+            BIO_printf(out, "%s", separator);
+    }
+}