376 lines
11 KiB
C
376 lines
11 KiB
C
/*
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* Copyright 1995-2016 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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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/buffer.h>
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#include <openssl/bn.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#include "internal/asn1_int.h"
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#ifndef OPENSSL_NO_STDIO
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int X509_print_fp(FILE *fp, X509 *x)
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{
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return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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}
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int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
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unsigned long cflag)
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{
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BIO *b;
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int ret;
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if ((b = BIO_new(BIO_s_file())) == NULL) {
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X509err(X509_F_X509_PRINT_EX_FP, ERR_R_BUF_LIB);
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return (0);
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}
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BIO_set_fp(b, fp, BIO_NOCLOSE);
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ret = X509_print_ex(b, x, nmflag, cflag);
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BIO_free(b);
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return (ret);
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}
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#endif
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int X509_print(BIO *bp, X509 *x)
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{
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return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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}
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int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
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unsigned long cflag)
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{
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long l;
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int ret = 0, i;
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char *m = NULL, mlch = ' ';
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int nmindent = 0;
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ASN1_INTEGER *bs;
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EVP_PKEY *pkey = NULL;
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const char *neg;
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if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
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mlch = '\n';
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nmindent = 12;
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}
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if (nmflags == X509_FLAG_COMPAT)
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nmindent = 16;
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if (!(cflag & X509_FLAG_NO_HEADER)) {
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if (BIO_write(bp, "Certificate:\n", 13) <= 0)
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goto err;
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if (BIO_write(bp, " Data:\n", 10) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_VERSION)) {
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l = X509_get_version(x);
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if (l >= 0 && l <= 2) {
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if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
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goto err;
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} else {
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if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
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goto err;
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}
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}
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if (!(cflag & X509_FLAG_NO_SERIAL)) {
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if (BIO_write(bp, " Serial Number:", 22) <= 0)
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goto err;
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bs = X509_get_serialNumber(x);
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if (bs->length <= (int)sizeof(long)) {
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ERR_set_mark();
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l = ASN1_INTEGER_get(bs);
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ERR_pop_to_mark();
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} else {
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l = -1;
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}
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if (l != -1) {
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unsigned long ul;
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if (bs->type == V_ASN1_NEG_INTEGER) {
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ul = 0 - (unsigned long)l;
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neg = "-";
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} else {
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ul = l;
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neg = "";
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}
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if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
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goto err;
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} else {
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neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
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if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
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goto err;
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for (i = 0; i < bs->length; i++) {
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if (BIO_printf(bp, "%02x%c", bs->data[i],
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((i + 1 == bs->length) ? '\n' : ':')) <= 0)
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goto err;
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}
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}
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}
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if (!(cflag & X509_FLAG_NO_SIGNAME)) {
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const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
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if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_ISSUER)) {
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if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
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goto err;
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if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
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< 0)
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goto err;
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if (BIO_write(bp, "\n", 1) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_VALIDITY)) {
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if (BIO_write(bp, " Validity\n", 17) <= 0)
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goto err;
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if (BIO_write(bp, " Not Before: ", 24) <= 0)
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goto err;
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if (!ASN1_TIME_print(bp, X509_get0_notBefore(x)))
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goto err;
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if (BIO_write(bp, "\n Not After : ", 25) <= 0)
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goto err;
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if (!ASN1_TIME_print(bp, X509_get0_notAfter(x)))
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goto err;
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if (BIO_write(bp, "\n", 1) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_SUBJECT)) {
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if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
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goto err;
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if (X509_NAME_print_ex
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(bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
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goto err;
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if (BIO_write(bp, "\n", 1) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_PUBKEY)) {
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X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
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ASN1_OBJECT *xpoid;
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X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
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if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
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goto err;
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if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
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goto err;
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if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
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goto err;
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if (BIO_puts(bp, "\n") <= 0)
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goto err;
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pkey = X509_get0_pubkey(x);
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if (pkey == NULL) {
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BIO_printf(bp, "%12sUnable to load Public Key\n", "");
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ERR_print_errors(bp);
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} else {
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EVP_PKEY_print_public(bp, pkey, 16, NULL);
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}
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}
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if (!(cflag & X509_FLAG_NO_IDS)) {
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const ASN1_BIT_STRING *iuid, *suid;
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X509_get0_uids(x, &iuid, &suid);
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if (iuid != NULL) {
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if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
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goto err;
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if (!X509_signature_dump(bp, iuid, 12))
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goto err;
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}
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if (suid != NULL) {
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if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
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goto err;
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if (!X509_signature_dump(bp, suid, 12))
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goto err;
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}
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}
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if (!(cflag & X509_FLAG_NO_EXTENSIONS))
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X509V3_extensions_print(bp, "X509v3 extensions",
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X509_get0_extensions(x), cflag, 8);
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if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
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const X509_ALGOR *sig_alg;
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const ASN1_BIT_STRING *sig;
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X509_get0_signature(&sig, &sig_alg, x);
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if (X509_signature_print(bp, sig_alg, sig) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_AUX)) {
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if (!X509_aux_print(bp, x, 0))
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goto err;
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}
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ret = 1;
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err:
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OPENSSL_free(m);
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return (ret);
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}
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int X509_ocspid_print(BIO *bp, X509 *x)
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{
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unsigned char *der = NULL;
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unsigned char *dertmp;
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int derlen;
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int i;
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unsigned char SHA1md[SHA_DIGEST_LENGTH];
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ASN1_BIT_STRING *keybstr;
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X509_NAME *subj;
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/*
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* display the hash of the subject as it would appear in OCSP requests
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*/
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if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
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goto err;
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subj = X509_get_subject_name(x);
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derlen = i2d_X509_NAME(subj, NULL);
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if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
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goto err;
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i2d_X509_NAME(subj, &dertmp);
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if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
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goto err;
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for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
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if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
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goto err;
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}
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OPENSSL_free(der);
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der = NULL;
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/*
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* display the hash of the public key as it would appear in OCSP requests
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*/
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if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
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goto err;
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keybstr = X509_get0_pubkey_bitstr(x);
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if (keybstr == NULL)
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goto err;
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if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
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ASN1_STRING_length(keybstr), SHA1md, NULL, EVP_sha1(),
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NULL))
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goto err;
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for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
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if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
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goto err;
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}
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BIO_printf(bp, "\n");
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return (1);
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err:
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OPENSSL_free(der);
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return (0);
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}
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int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
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{
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const unsigned char *s;
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int i, n;
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n = sig->length;
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s = sig->data;
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for (i = 0; i < n; i++) {
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if ((i % 18) == 0) {
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if (BIO_write(bp, "\n", 1) <= 0)
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return 0;
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if (BIO_indent(bp, indent, indent) <= 0)
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return 0;
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}
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if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
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return 0;
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}
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if (BIO_write(bp, "\n", 1) != 1)
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return 0;
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return 1;
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}
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int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
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const ASN1_STRING *sig)
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{
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int sig_nid;
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if (BIO_puts(bp, " Signature Algorithm: ") <= 0)
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return 0;
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if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
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return 0;
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sig_nid = OBJ_obj2nid(sigalg->algorithm);
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if (sig_nid != NID_undef) {
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int pkey_nid, dig_nid;
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const EVP_PKEY_ASN1_METHOD *ameth;
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if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
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ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
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if (ameth && ameth->sig_print)
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return ameth->sig_print(bp, sigalg, sig, 9, 0);
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}
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}
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if (sig)
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return X509_signature_dump(bp, sig, 9);
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else if (BIO_puts(bp, "\n") <= 0)
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return 0;
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return 1;
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}
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int X509_aux_print(BIO *out, X509 *x, int indent)
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{
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char oidstr[80], first;
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STACK_OF(ASN1_OBJECT) *trust, *reject;
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const unsigned char *alias, *keyid;
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int keyidlen;
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int i;
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if (X509_trusted(x) == 0)
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return 1;
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trust = X509_get0_trust_objects(x);
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reject = X509_get0_reject_objects(x);
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if (trust) {
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first = 1;
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BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
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for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
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if (!first)
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BIO_puts(out, ", ");
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else
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first = 0;
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OBJ_obj2txt(oidstr, sizeof oidstr,
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sk_ASN1_OBJECT_value(trust, i), 0);
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BIO_puts(out, oidstr);
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}
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BIO_puts(out, "\n");
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} else
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BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
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if (reject) {
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first = 1;
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BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
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for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
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if (!first)
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BIO_puts(out, ", ");
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else
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first = 0;
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OBJ_obj2txt(oidstr, sizeof oidstr,
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sk_ASN1_OBJECT_value(reject, i), 0);
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BIO_puts(out, oidstr);
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}
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BIO_puts(out, "\n");
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} else
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BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
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alias = X509_alias_get0(x, NULL);
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if (alias)
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BIO_printf(out, "%*sAlias: %s\n", indent, "", alias);
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keyid = X509_keyid_get0(x, &keyidlen);
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if (keyid) {
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BIO_printf(out, "%*sKey Id: ", indent, "");
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for (i = 0; i < keyidlen; i++)
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BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
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BIO_write(out, "\n", 1);
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}
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return 1;
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}
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