--- /dev/null
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <ctype.h>
+#include <openssl/asn1.h>
+#include <openssl/bio.h>
+#include <openssl/digest.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+#include "internal.h"
+
+
+#ifndef OPENSSL_NO_FP_API
+int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
+ unsigned long cflag)
+{
+ BIO *b;
+ int ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
+ return (0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = X509_print_ex(b, x, nmflag, cflag);
+ BIO_free(b);
+ return (ret);
+}
+
+int X509_print_fp(FILE *fp, X509 *x)
+{
+ return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
+}
+#endif
+
+int X509_print(BIO *bp, X509 *x)
+{
+ return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
+}
+
+int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
+ unsigned long cflag)
+{
+ long l;
+ int ret = 0, i;
+ char *m = NULL, mlch = ' ';
+ int nmindent = 0;
+ X509_CINF *ci;
+ ASN1_INTEGER *bs;
+ EVP_PKEY *pkey = NULL;
+ const char *neg;
+
+ if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
+ mlch = '\n';
+ nmindent = 12;
+ }
+
+ if (nmflags == X509_FLAG_COMPAT)
+ nmindent = 16;
+
+ ci = x->cert_info;
+ if (!(cflag & X509_FLAG_NO_HEADER)) {
+ if (BIO_write(bp, "Certificate:\n", 13) <= 0)
+ goto err;
+ if (BIO_write(bp, " Data:\n", 10) <= 0)
+ goto err;
+ }
+ if (!(cflag & X509_FLAG_NO_VERSION)) {
+ l = X509_get_version(x);
+ if (BIO_printf(bp, "%8sVersion: %lu (0x%lx)\n", "", l + 1, l) <= 0)
+ goto err;
+ }
+ if (!(cflag & X509_FLAG_NO_SERIAL)) {
+
+ if (BIO_write(bp, " Serial Number:", 22) <= 0)
+ goto err;
+
+ bs = X509_get_serialNumber(x);
+ if (bs->length < (int)sizeof(long)
+ || (bs->length == sizeof(long) && (bs->data[0] & 0x80) == 0)) {
+ l = ASN1_INTEGER_get(bs);
+ if (bs->type == V_ASN1_NEG_INTEGER) {
+ l = -l;
+ neg = "-";
+ } else
+ neg = "";
+ if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, l, neg, l) <= 0)
+ goto err;
+ } else {
+ neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
+ if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
+ goto err;
+
+ for (i = 0; i < bs->length; i++) {
+ if (BIO_printf(bp, "%02x%c", bs->data[i],
+ ((i + 1 == bs->length) ? '\n' : ':')) <= 0)
+ goto err;
+ }
+ }
+
+ }
+
+ if (!(cflag & X509_FLAG_NO_SIGNAME)) {
+ if (X509_signature_print(bp, ci->signature, NULL) <= 0)
+ goto err;
+ }
+
+ if (!(cflag & X509_FLAG_NO_ISSUER)) {
+ if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
+ goto err;
+ if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
+ < 0)
+ goto err;
+ if (BIO_write(bp, "\n", 1) <= 0)
+ goto err;
+ }
+ if (!(cflag & X509_FLAG_NO_VALIDITY)) {
+ if (BIO_write(bp, " Validity\n", 17) <= 0)
+ goto err;
+ if (BIO_write(bp, " Not Before: ", 24) <= 0)
+ goto err;
+ if (!ASN1_TIME_print(bp, X509_get_notBefore(x)))
+ goto err;
+ if (BIO_write(bp, "\n Not After : ", 25) <= 0)
+ goto err;
+ if (!ASN1_TIME_print(bp, X509_get_notAfter(x)))
+ goto err;
+ if (BIO_write(bp, "\n", 1) <= 0)
+ goto err;
+ }
+ if (!(cflag & X509_FLAG_NO_SUBJECT)) {
+ if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
+ goto err;
+ if (X509_NAME_print_ex
+ (bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
+ goto err;
+ if (BIO_write(bp, "\n", 1) <= 0)
+ goto err;
+ }
+ if (!(cflag & X509_FLAG_NO_PUBKEY)) {
+ if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
+ goto err;
+ if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
+ goto err;
+ if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
+ goto err;
+ if (BIO_puts(bp, "\n") <= 0)
+ goto err;
+
+ pkey = X509_get_pubkey(x);
+ if (pkey == NULL) {
+ BIO_printf(bp, "%12sUnable to load Public Key\n", "");
+ ERR_print_errors(bp);
+ } else {
+ EVP_PKEY_print_public(bp, pkey, 16, NULL);
+ EVP_PKEY_free(pkey);
+ }
+ }
+
+ if (!(cflag & X509_FLAG_NO_IDS)) {
+ if (ci->issuerUID) {
+ if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
+ goto err;
+ if (!X509_signature_dump(bp, ci->issuerUID, 12))
+ goto err;
+ }
+ if (ci->subjectUID) {
+ if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
+ goto err;
+ if (!X509_signature_dump(bp, ci->subjectUID, 12))
+ goto err;
+ }
+ }
+
+ if (!(cflag & X509_FLAG_NO_EXTENSIONS))
+ X509V3_extensions_print(bp, "X509v3 extensions",
+ ci->extensions, cflag, 8);
+
+ if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
+ if (X509_signature_print(bp, x->sig_alg, x->signature) <= 0)
+ goto err;
+ }
+ if (!(cflag & X509_FLAG_NO_AUX)) {
+ if (!X509_CERT_AUX_print(bp, x->aux, 0))
+ goto err;
+ }
+ ret = 1;
+ err:
+ if (m != NULL)
+ OPENSSL_free(m);
+ return (ret);
+}
+
+int X509_ocspid_print(BIO *bp, X509 *x)
+{
+ unsigned char *der = NULL;
+ unsigned char *dertmp;
+ int derlen;
+ int i;
+ unsigned char SHA1md[SHA_DIGEST_LENGTH];
+
+ /*
+ * display the hash of the subject as it would appear in OCSP requests
+ */
+ if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
+ goto err;
+ derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
+ if ((der = dertmp = (unsigned char *)OPENSSL_malloc(derlen)) == NULL)
+ goto err;
+ i2d_X509_NAME(x->cert_info->subject, &dertmp);
+
+ if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
+ goto err;
+ for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
+ if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
+ goto err;
+ }
+ OPENSSL_free(der);
+ der = NULL;
+
+ /*
+ * display the hash of the public key as it would appear in OCSP requests
+ */
+ if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
+ goto err;
+
+ if (!EVP_Digest(x->cert_info->key->public_key->data,
+ x->cert_info->key->public_key->length,
+ SHA1md, NULL, EVP_sha1(), NULL))
+ goto err;
+ for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
+ if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
+ goto err;
+ }
+ BIO_printf(bp, "\n");
+
+ return (1);
+ err:
+ if (der != NULL)
+ OPENSSL_free(der);
+ return (0);
+}
+
+int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
+ const ASN1_STRING *sig)
+{
+ if (BIO_puts(bp, " Signature Algorithm: ") <= 0)
+ return 0;
+ if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
+ return 0;
+
+ /* RSA-PSS signatures have parameters to print. */
+ int sig_nid = OBJ_obj2nid(sigalg->algorithm);
+ if (sig_nid == NID_rsassaPss &&
+ !x509_print_rsa_pss_params(bp, sigalg, 9, 0)) {
+ return 0;
+ }
+
+ if (sig)
+ return X509_signature_dump(bp, sig, 9);
+ else if (BIO_puts(bp, "\n") <= 0)
+ return 0;
+ return 1;
+}
+
+int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
+{
+ int i, n;
+ char buf[80];
+ const char *p;
+
+ if (v == NULL)
+ return (0);
+ n = 0;
+ p = (const char *)v->data;
+ for (i = 0; i < v->length; i++) {
+ if ((p[i] > '~') || ((p[i] < ' ') &&
+ (p[i] != '\n') && (p[i] != '\r')))
+ buf[n] = '.';
+ else
+ buf[n] = p[i];
+ n++;
+ if (n >= 80) {
+ if (BIO_write(bp, buf, n) <= 0)
+ return (0);
+ n = 0;
+ }
+ }
+ if (n > 0)
+ if (BIO_write(bp, buf, n) <= 0)
+ return (0);
+ return (1);
+}
+
+int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
+{
+ if (tm->type == V_ASN1_UTCTIME)
+ return ASN1_UTCTIME_print(bp, tm);
+ if (tm->type == V_ASN1_GENERALIZEDTIME)
+ return ASN1_GENERALIZEDTIME_print(bp, tm);
+ BIO_write(bp, "Bad time value", 14);
+ return (0);
+}
+
+static const char *const mon[12] = {
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+};
+
+int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
+{
+ char *v;
+ int gmt = 0;
+ int i;
+ int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
+ char *f = NULL;
+ int f_len = 0;
+
+ i = tm->length;
+ v = (char *)tm->data;
+
+ if (i < 12)
+ goto err;
+ if (v[i - 1] == 'Z')
+ gmt = 1;
+ for (i = 0; i < 12; i++)
+ if ((v[i] > '9') || (v[i] < '0'))
+ goto err;
+ y = (v[0] - '0') * 1000 + (v[1] - '0') * 100 + (v[2] - '0') * 10 + (v[3] -
+ '0');
+ M = (v[4] - '0') * 10 + (v[5] - '0');
+ if ((M > 12) || (M < 1))
+ goto err;
+ d = (v[6] - '0') * 10 + (v[7] - '0');
+ h = (v[8] - '0') * 10 + (v[9] - '0');
+ m = (v[10] - '0') * 10 + (v[11] - '0');
+ if (tm->length >= 14 &&
+ (v[12] >= '0') && (v[12] <= '9') &&
+ (v[13] >= '0') && (v[13] <= '9')) {
+ s = (v[12] - '0') * 10 + (v[13] - '0');
+ /* Check for fractions of seconds. */
+ if (tm->length >= 15 && v[14] == '.') {
+ int l = tm->length;
+ f = &v[14]; /* The decimal point. */
+ f_len = 1;
+ while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
+ ++f_len;
+ }
+ }
+
+ if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s",
+ mon[M - 1], d, h, m, s, f_len, f, y,
+ (gmt) ? " GMT" : "") <= 0)
+ return (0);
+ else
+ return (1);
+ err:
+ BIO_write(bp, "Bad time value", 14);
+ return (0);
+}
+
+// consume_two_digits is a helper function for ASN1_UTCTIME_print. If |*v|,
+// assumed to be |*len| bytes long, has two leading digits, updates |*out| with
+// their value, updates |v| and |len|, and returns one. Otherwise, returns
+// zero.
+static int consume_two_digits(int* out, const char **v, int *len) {
+ if (*len < 2|| !isdigit((*v)[0]) || !isdigit((*v)[1])) {
+ return 0;
+ }
+ *out = ((*v)[0] - '0') * 10 + ((*v)[1] - '0');
+ *len -= 2;
+ *v += 2;
+ return 1;
+}
+
+// consume_zulu_timezone is a helper function for ASN1_UTCTIME_print. If |*v|,
+// assumed to be |*len| bytes long, starts with "Z" then it updates |*v| and
+// |*len| and returns one. Otherwise returns zero.
+static int consume_zulu_timezone(const char **v, int *len) {
+ if (*len == 0 || (*v)[0] != 'Z') {
+ return 0;
+ }
+
+ *len -= 1;
+ *v += 1;
+ return 1;
+}
+
+int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm) {
+ const char *v = (const char *)tm->data;
+ int len = tm->length;
+ int Y = 0, M = 0, D = 0, h = 0, m = 0, s = 0;
+
+ // YYMMDDhhmm are required to be present.
+ if (!consume_two_digits(&Y, &v, &len) ||
+ !consume_two_digits(&M, &v, &len) ||
+ !consume_two_digits(&D, &v, &len) ||
+ !consume_two_digits(&h, &v, &len) ||
+ !consume_two_digits(&m, &v, &len)) {
+ goto err;
+ }
+ // https://tools.ietf.org/html/rfc5280, section 4.1.2.5.1, requires seconds
+ // to be present, but historically this code has forgiven its absence.
+ consume_two_digits(&s, &v, &len);
+
+ // https://tools.ietf.org/html/rfc5280, section 4.1.2.5.1, specifies this
+ // interpretation of the year.
+ if (Y < 50) {
+ Y += 2000;
+ } else {
+ Y += 1900;
+ }
+ if (M > 12 || M == 0) {
+ goto err;
+ }
+ if (D > 31 || D == 0) {
+ goto err;
+ }
+ if (h > 23 || m > 59 || s > 60) {
+ goto err;
+ }
+
+ // https://tools.ietf.org/html/rfc5280, section 4.1.2.5.1, requires the "Z"
+ // to be present, but historically this code has forgiven its absence.
+ const int is_gmt = consume_zulu_timezone(&v, &len);
+
+ // https://tools.ietf.org/html/rfc5280, section 4.1.2.5.1, does not permit
+ // the specification of timezones using the +hhmm / -hhmm syntax, which is
+ // the only other thing that might legitimately be found at the end.
+ if (len) {
+ goto err;
+ }
+
+ return BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s", mon[M - 1], D, h, m, s, Y,
+ is_gmt ? " GMT" : "") > 0;
+
+err:
+ BIO_write(bp, "Bad time value", 14);
+ return 0;
+}
+
+int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
+{
+ char *s, *c, *b;
+ int ret = 0, l, i;
+
+ l = 80 - 2 - obase;
+
+ b = X509_NAME_oneline(name, NULL, 0);
+ if (!b)
+ return 0;
+ if (!*b) {
+ OPENSSL_free(b);
+ return 1;
+ }
+ s = b + 1; /* skip the first slash */
+
+ c = s;
+ for (;;) {
+ if (((*s == '/') &&
+ ((s[1] >= 'A') && (s[1] <= 'Z') && ((s[2] == '=') ||
+ ((s[2] >= 'A')
+ && (s[2] <= 'Z')
+ && (s[3] == '='))
+ ))) || (*s == '\0')) {
+ i = s - c;
+ if (BIO_write(bp, c, i) != i)
+ goto err;
+ c = s + 1; /* skip following slash */
+ if (*s != '\0') {
+ if (BIO_write(bp, ", ", 2) != 2)
+ goto err;
+ }
+ l--;
+ }
+ if (*s == '\0')
+ break;
+ s++;
+ l--;
+ }
+
+ ret = 1;
+ if (0) {
+ err:
+ OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
+ }
+ OPENSSL_free(b);
+ return (ret);
+}
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