540 lines
13 KiB
C
Executable file
540 lines
13 KiB
C
Executable file
/* $OpenBSD: t_x509.c,v 1.32 2020/04/10 07:05:24 tb Exp $ */
|
|
/* 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 <stdio.h>
|
|
|
|
#include <openssl/opensslconf.h>
|
|
|
|
#include <openssl/bn.h>
|
|
#include <openssl/buffer.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/objects.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/x509v3.h>
|
|
|
|
#ifndef OPENSSL_NO_DSA
|
|
#include <openssl/dsa.h>
|
|
#endif
|
|
#ifndef OPENSSL_NO_EC
|
|
#include <openssl/ec.h>
|
|
#endif
|
|
#ifndef OPENSSL_NO_RSA
|
|
#include <openssl/rsa.h>
|
|
#endif
|
|
|
|
#include "asn1_locl.h"
|
|
|
|
int
|
|
X509_print_fp(FILE *fp, X509 *x)
|
|
{
|
|
return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
|
|
}
|
|
|
|
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) {
|
|
X509error(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(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);
|
|
l = -1;
|
|
if (bs->length <= (int)sizeof(long))
|
|
l = ASN1_INTEGER_get(bs);
|
|
if (l != -1) {
|
|
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, x->sig_alg, 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_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:
|
|
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 = 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;
|
|
}
|
|
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:
|
|
free(der);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
|
|
{
|
|
const unsigned char *s;
|
|
int i, n;
|
|
|
|
n = sig->length;
|
|
s = sig->data;
|
|
for (i = 0; i < n; i++) {
|
|
if ((i % 18) == 0) {
|
|
if (BIO_write(bp, "\n", 1) <= 0)
|
|
return 0;
|
|
if (BIO_indent(bp, indent, indent) <= 0)
|
|
return 0;
|
|
}
|
|
if (BIO_printf(bp, "%02x%s", s[i],
|
|
((i + 1) == n) ? "" : ":") <= 0)
|
|
return 0;
|
|
}
|
|
if (BIO_write(bp, "\n", 1) != 1)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
X509_signature_print(BIO *bp, const X509_ALGOR *sigalg, const ASN1_STRING *sig)
|
|
{
|
|
int sig_nid;
|
|
if (BIO_puts(bp, " Signature Algorithm: ") <= 0)
|
|
return 0;
|
|
if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
|
|
return 0;
|
|
|
|
sig_nid = OBJ_obj2nid(sigalg->algorithm);
|
|
if (sig_nid != NID_undef) {
|
|
int pkey_nid, dig_nid;
|
|
const EVP_PKEY_ASN1_METHOD *ameth;
|
|
if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
|
|
ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
|
|
if (ameth && ameth->sig_print)
|
|
return ameth->sig_print(bp, sigalg, sig, 9, 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 *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 = "";
|
|
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);
|
|
}
|
|
|
|
int
|
|
ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
|
|
{
|
|
const char *v;
|
|
int gmt = 0;
|
|
int i;
|
|
int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
|
|
|
|
i = tm->length;
|
|
v = (const char *)tm->data;
|
|
|
|
if (i < 10)
|
|
goto err;
|
|
if (v[i-1] == 'Z')
|
|
gmt = 1;
|
|
for (i = 0; i < 10; i++)
|
|
if ((v[i] > '9') || (v[i] < '0'))
|
|
goto err;
|
|
y = (v[0] - '0') * 10 + (v[1] - '0');
|
|
if (y < 50)
|
|
y += 100;
|
|
M = (v[2] - '0') * 10 + (v[3] - '0');
|
|
if ((M > 12) || (M < 1))
|
|
goto err;
|
|
d = (v[4] - '0') * 10 + (v[5] - '0');
|
|
h = (v[6] - '0') * 10 + (v[7] - '0');
|
|
m = (v[8] - '0') * 10 + (v[9] - '0');
|
|
if (tm->length >=12 &&
|
|
(v[10] >= '0') && (v[10] <= '9') &&
|
|
(v[11] >= '0') && (v[11] <= '9'))
|
|
s = (v[10] - '0') * 10 + (v[11] - '0');
|
|
|
|
if (BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s",
|
|
mon[M - 1], d, h, m, s, y + 1900, (gmt) ? " GMT" : "") <= 0)
|
|
return (0);
|
|
else
|
|
return (1);
|
|
|
|
err:
|
|
BIO_write(bp, "Bad time value", 14);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
X509_NAME_print(BIO *bp, const 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 == NULL)
|
|
return 0;
|
|
if (*b == '\0') {
|
|
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:
|
|
X509error(ERR_R_BUF_LIB);
|
|
}
|
|
free(b);
|
|
return (ret);
|
|
}
|