[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include "internal/cryptlib.h"
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| 12 | #include <openssl/buffer.h>
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| 13 | #include <openssl/bn.h>
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| 14 | #include <openssl/objects.h>
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| 15 | #include <openssl/x509.h>
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| 16 | #include <openssl/x509v3.h>
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| 17 | #include "internal/asn1_int.h"
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| 18 |
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| 19 | #ifndef OPENSSL_NO_STDIO
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| 20 | int X509_print_fp(FILE *fp, X509 *x)
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| 21 | {
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| 22 | return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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| 23 | }
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| 24 |
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| 25 | int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
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| 26 | unsigned long cflag)
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| 27 | {
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| 28 | BIO *b;
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| 29 | int ret;
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| 30 |
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| 31 | if ((b = BIO_new(BIO_s_file())) == NULL) {
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| 32 | X509err(X509_F_X509_PRINT_EX_FP, ERR_R_BUF_LIB);
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| 33 | return (0);
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| 34 | }
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| 35 | BIO_set_fp(b, fp, BIO_NOCLOSE);
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| 36 | ret = X509_print_ex(b, x, nmflag, cflag);
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| 37 | BIO_free(b);
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| 38 | return (ret);
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| 39 | }
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| 40 | #endif
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| 41 |
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| 42 | int X509_print(BIO *bp, X509 *x)
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| 43 | {
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| 44 | return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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| 45 | }
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| 46 |
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| 47 | int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
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| 48 | unsigned long cflag)
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| 49 | {
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| 50 | long l;
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| 51 | int ret = 0, i;
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| 52 | char *m = NULL, mlch = ' ';
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| 53 | int nmindent = 0;
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| 54 | ASN1_INTEGER *bs;
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| 55 | EVP_PKEY *pkey = NULL;
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| 56 | const char *neg;
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| 57 |
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| 58 | if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
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| 59 | mlch = '\n';
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| 60 | nmindent = 12;
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| 61 | }
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| 62 |
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| 63 | if (nmflags == X509_FLAG_COMPAT)
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| 64 | nmindent = 16;
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| 65 |
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| 66 | if (!(cflag & X509_FLAG_NO_HEADER)) {
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| 67 | if (BIO_write(bp, "Certificate:\n", 13) <= 0)
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| 68 | goto err;
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| 69 | if (BIO_write(bp, " Data:\n", 10) <= 0)
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| 70 | goto err;
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| 71 | }
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| 72 | if (!(cflag & X509_FLAG_NO_VERSION)) {
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| 73 | l = X509_get_version(x);
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| 74 | if (l >= 0 && l <= 2) {
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| 75 | if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
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| 76 | goto err;
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| 77 | } else {
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| 78 | if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
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| 79 | goto err;
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| 80 | }
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| 81 | }
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| 82 | if (!(cflag & X509_FLAG_NO_SERIAL)) {
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| 83 |
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| 84 | if (BIO_write(bp, " Serial Number:", 22) <= 0)
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| 85 | goto err;
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| 86 |
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| 87 | bs = X509_get_serialNumber(x);
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| 88 | if (bs->length <= (int)sizeof(long)) {
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| 89 | ERR_set_mark();
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| 90 | l = ASN1_INTEGER_get(bs);
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| 91 | ERR_pop_to_mark();
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| 92 | } else {
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| 93 | l = -1;
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| 94 | }
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| 95 | if (l != -1) {
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| 96 | unsigned long ul;
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| 97 | if (bs->type == V_ASN1_NEG_INTEGER) {
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| 98 | ul = 0 - (unsigned long)l;
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| 99 | neg = "-";
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| 100 | } else {
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| 101 | ul = l;
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| 102 | neg = "";
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| 103 | }
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| 104 | if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
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| 105 | goto err;
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| 106 | } else {
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| 107 | neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
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| 108 | if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
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| 109 | goto err;
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| 110 |
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| 111 | for (i = 0; i < bs->length; i++) {
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| 112 | if (BIO_printf(bp, "%02x%c", bs->data[i],
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| 113 | ((i + 1 == bs->length) ? '\n' : ':')) <= 0)
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| 114 | goto err;
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| 115 | }
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| 116 | }
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| 117 |
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| 118 | }
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| 119 |
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| 120 | if (!(cflag & X509_FLAG_NO_SIGNAME)) {
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| 121 | const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
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| 122 | if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
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| 123 | goto err;
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| 124 | }
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| 125 |
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| 126 | if (!(cflag & X509_FLAG_NO_ISSUER)) {
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| 127 | if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
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| 128 | goto err;
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| 129 | if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
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| 130 | < 0)
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| 131 | goto err;
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| 132 | if (BIO_write(bp, "\n", 1) <= 0)
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| 133 | goto err;
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| 134 | }
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| 135 | if (!(cflag & X509_FLAG_NO_VALIDITY)) {
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| 136 | if (BIO_write(bp, " Validity\n", 17) <= 0)
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| 137 | goto err;
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| 138 | if (BIO_write(bp, " Not Before: ", 24) <= 0)
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| 139 | goto err;
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| 140 | if (!ASN1_TIME_print(bp, X509_get0_notBefore(x)))
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| 141 | goto err;
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| 142 | if (BIO_write(bp, "\n Not After : ", 25) <= 0)
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| 143 | goto err;
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| 144 | if (!ASN1_TIME_print(bp, X509_get0_notAfter(x)))
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| 145 | goto err;
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| 146 | if (BIO_write(bp, "\n", 1) <= 0)
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| 147 | goto err;
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| 148 | }
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| 149 | if (!(cflag & X509_FLAG_NO_SUBJECT)) {
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| 150 | if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
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| 151 | goto err;
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| 152 | if (X509_NAME_print_ex
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| 153 | (bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
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| 154 | goto err;
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| 155 | if (BIO_write(bp, "\n", 1) <= 0)
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| 156 | goto err;
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| 157 | }
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| 158 | if (!(cflag & X509_FLAG_NO_PUBKEY)) {
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| 159 | X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
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| 160 | ASN1_OBJECT *xpoid;
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| 161 | X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
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| 162 | if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
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| 163 | goto err;
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| 164 | if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
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| 165 | goto err;
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| 166 | if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
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| 167 | goto err;
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| 168 | if (BIO_puts(bp, "\n") <= 0)
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| 169 | goto err;
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| 170 |
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| 171 | pkey = X509_get0_pubkey(x);
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| 172 | if (pkey == NULL) {
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| 173 | BIO_printf(bp, "%12sUnable to load Public Key\n", "");
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| 174 | ERR_print_errors(bp);
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| 175 | } else {
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| 176 | EVP_PKEY_print_public(bp, pkey, 16, NULL);
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| 177 | }
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| 178 | }
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| 179 |
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| 180 | if (!(cflag & X509_FLAG_NO_IDS)) {
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| 181 | const ASN1_BIT_STRING *iuid, *suid;
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| 182 | X509_get0_uids(x, &iuid, &suid);
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| 183 | if (iuid != NULL) {
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| 184 | if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
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| 185 | goto err;
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| 186 | if (!X509_signature_dump(bp, iuid, 12))
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| 187 | goto err;
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| 188 | }
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| 189 | if (suid != NULL) {
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| 190 | if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
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| 191 | goto err;
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| 192 | if (!X509_signature_dump(bp, suid, 12))
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| 193 | goto err;
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| 194 | }
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| 195 | }
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| 196 |
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| 197 | if (!(cflag & X509_FLAG_NO_EXTENSIONS))
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| 198 | X509V3_extensions_print(bp, "X509v3 extensions",
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| 199 | X509_get0_extensions(x), cflag, 8);
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| 200 |
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| 201 | if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
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| 202 | const X509_ALGOR *sig_alg;
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| 203 | const ASN1_BIT_STRING *sig;
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| 204 | X509_get0_signature(&sig, &sig_alg, x);
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| 205 | if (X509_signature_print(bp, sig_alg, sig) <= 0)
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| 206 | goto err;
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| 207 | }
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| 208 | if (!(cflag & X509_FLAG_NO_AUX)) {
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| 209 | if (!X509_aux_print(bp, x, 0))
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| 210 | goto err;
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| 211 | }
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| 212 | ret = 1;
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| 213 | err:
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| 214 | OPENSSL_free(m);
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| 215 | return (ret);
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| 216 | }
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| 217 |
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| 218 | int X509_ocspid_print(BIO *bp, X509 *x)
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| 219 | {
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| 220 | unsigned char *der = NULL;
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| 221 | unsigned char *dertmp;
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| 222 | int derlen;
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| 223 | int i;
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| 224 | unsigned char SHA1md[SHA_DIGEST_LENGTH];
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| 225 | ASN1_BIT_STRING *keybstr;
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| 226 | X509_NAME *subj;
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| 227 |
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| 228 | /*
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| 229 | * display the hash of the subject as it would appear in OCSP requests
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| 230 | */
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| 231 | if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
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| 232 | goto err;
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| 233 | subj = X509_get_subject_name(x);
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| 234 | derlen = i2d_X509_NAME(subj, NULL);
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| 235 | if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
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| 236 | goto err;
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| 237 | i2d_X509_NAME(subj, &dertmp);
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| 238 |
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| 239 | if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
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| 240 | goto err;
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| 241 | for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
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| 242 | if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
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| 243 | goto err;
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| 244 | }
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| 245 | OPENSSL_free(der);
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| 246 | der = NULL;
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| 247 |
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| 248 | /*
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| 249 | * display the hash of the public key as it would appear in OCSP requests
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| 250 | */
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| 251 | if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
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| 252 | goto err;
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| 253 |
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| 254 | keybstr = X509_get0_pubkey_bitstr(x);
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| 255 |
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| 256 | if (keybstr == NULL)
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| 257 | goto err;
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| 258 |
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| 259 | if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
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| 260 | ASN1_STRING_length(keybstr), SHA1md, NULL, EVP_sha1(),
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| 261 | NULL))
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| 262 | goto err;
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| 263 | for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
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| 264 | if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
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| 265 | goto err;
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| 266 | }
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| 267 | BIO_printf(bp, "\n");
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| 268 |
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| 269 | return (1);
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| 270 | err:
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| 271 | OPENSSL_free(der);
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| 272 | return (0);
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| 273 | }
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| 274 |
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| 275 | int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
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| 276 | {
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| 277 | const unsigned char *s;
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| 278 | int i, n;
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| 279 |
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| 280 | n = sig->length;
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| 281 | s = sig->data;
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| 282 | for (i = 0; i < n; i++) {
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| 283 | if ((i % 18) == 0) {
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| 284 | if (BIO_write(bp, "\n", 1) <= 0)
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| 285 | return 0;
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| 286 | if (BIO_indent(bp, indent, indent) <= 0)
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| 287 | return 0;
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| 288 | }
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| 289 | if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
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| 290 | return 0;
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| 291 | }
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| 292 | if (BIO_write(bp, "\n", 1) != 1)
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| 293 | return 0;
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| 294 |
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| 295 | return 1;
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| 296 | }
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| 297 |
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| 298 | int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
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| 299 | const ASN1_STRING *sig)
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| 300 | {
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| 301 | int sig_nid;
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| 302 | if (BIO_puts(bp, " Signature Algorithm: ") <= 0)
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| 303 | return 0;
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| 304 | if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
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| 305 | return 0;
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| 306 |
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| 307 | sig_nid = OBJ_obj2nid(sigalg->algorithm);
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| 308 | if (sig_nid != NID_undef) {
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| 309 | int pkey_nid, dig_nid;
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| 310 | const EVP_PKEY_ASN1_METHOD *ameth;
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| 311 | if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
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| 312 | ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
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| 313 | if (ameth && ameth->sig_print)
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| 314 | return ameth->sig_print(bp, sigalg, sig, 9, 0);
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| 315 | }
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| 316 | }
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| 317 | if (sig)
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| 318 | return X509_signature_dump(bp, sig, 9);
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| 319 | else if (BIO_puts(bp, "\n") <= 0)
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| 320 | return 0;
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| 321 | return 1;
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| 322 | }
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| 323 |
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| 324 | int X509_aux_print(BIO *out, X509 *x, int indent)
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| 325 | {
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| 326 | char oidstr[80], first;
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| 327 | STACK_OF(ASN1_OBJECT) *trust, *reject;
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| 328 | const unsigned char *alias, *keyid;
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| 329 | int keyidlen;
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| 330 | int i;
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| 331 | if (X509_trusted(x) == 0)
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| 332 | return 1;
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| 333 | trust = X509_get0_trust_objects(x);
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| 334 | reject = X509_get0_reject_objects(x);
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| 335 | if (trust) {
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| 336 | first = 1;
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| 337 | BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
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| 338 | for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
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| 339 | if (!first)
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| 340 | BIO_puts(out, ", ");
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| 341 | else
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| 342 | first = 0;
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| 343 | OBJ_obj2txt(oidstr, sizeof oidstr,
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| 344 | sk_ASN1_OBJECT_value(trust, i), 0);
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| 345 | BIO_puts(out, oidstr);
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| 346 | }
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| 347 | BIO_puts(out, "\n");
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| 348 | } else
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| 349 | BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
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| 350 | if (reject) {
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| 351 | first = 1;
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| 352 | BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
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| 353 | for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
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| 354 | if (!first)
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| 355 | BIO_puts(out, ", ");
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| 356 | else
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| 357 | first = 0;
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| 358 | OBJ_obj2txt(oidstr, sizeof oidstr,
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| 359 | sk_ASN1_OBJECT_value(reject, i), 0);
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| 360 | BIO_puts(out, oidstr);
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| 361 | }
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| 362 | BIO_puts(out, "\n");
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| 363 | } else
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| 364 | BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
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| 365 | alias = X509_alias_get0(x, NULL);
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| 366 | if (alias)
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| 367 | BIO_printf(out, "%*sAlias: %s\n", indent, "", alias);
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| 368 | keyid = X509_keyid_get0(x, &keyidlen);
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| 369 | if (keyid) {
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| 370 | BIO_printf(out, "%*sKey Id: ", indent, "");
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| 371 | for (i = 0; i < keyidlen; i++)
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| 372 | BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
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| 373 | BIO_write(out, "\n", 1);
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| 374 | }
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| 375 | return 1;
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| 376 | }
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