ref: 009439541d2c6e8af2596f8fb1b4df85861fd212
dir: /third_party/boringssl/src/crypto/x509/t_x509.c/
/* 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 <assert.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 "internal.h"
int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
unsigned long cflag) {
BIO *b = BIO_new_fp(fp, BIO_NOCLOSE);
if (b == NULL) {
OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
return 0;
}
int 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);
}
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) {
char mlch = ' ';
int nmindent = 0;
if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
mlch = '\n';
nmindent = 12;
}
if (nmflags == X509_FLAG_COMPAT) {
nmindent = 16;
}
const X509_CINF *ci = x->cert_info;
if (!(cflag & X509_FLAG_NO_HEADER)) {
if (BIO_write(bp, "Certificate:\n", 13) <= 0) {
return 0;
}
if (BIO_write(bp, " Data:\n", 10) <= 0) {
return 0;
}
}
if (!(cflag & X509_FLAG_NO_VERSION)) {
long l = X509_get_version(x);
assert(X509_VERSION_1 <= l && l <= X509_VERSION_3);
if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1,
(unsigned long)l) <= 0) {
return 0;
}
}
if (!(cflag & X509_FLAG_NO_SERIAL)) {
if (BIO_write(bp, " Serial Number:", 22) <= 0) {
return 0;
}
const ASN1_INTEGER *serial = X509_get0_serialNumber(x);
uint64_t serial_u64;
if (ASN1_INTEGER_get_uint64(&serial_u64, serial)) {
assert(serial->type != V_ASN1_NEG_INTEGER);
if (BIO_printf(bp, " %" PRIu64 " (0x%" PRIx64 ")\n", serial_u64,
serial_u64) <= 0) {
return 0;
}
} else {
ERR_clear_error(); // Clear |ASN1_INTEGER_get_uint64|'s error.
const char *neg =
(serial->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0) {
return 0;
}
for (int i = 0; i < serial->length; i++) {
if (BIO_printf(bp, "%02x%c", serial->data[i],
((i + 1 == serial->length) ? '\n' : ':')) <= 0) {
return 0;
}
}
}
}
if (!(cflag & X509_FLAG_NO_SIGNAME)) {
if (X509_signature_print(bp, ci->signature, NULL) <= 0) {
return 0;
}
}
if (!(cflag & X509_FLAG_NO_ISSUER)) {
if (BIO_printf(bp, " Issuer:%c", mlch) <= 0) {
return 0;
}
if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags) <
0) {
return 0;
}
if (BIO_write(bp, "\n", 1) <= 0) {
return 0;
}
}
if (!(cflag & X509_FLAG_NO_VALIDITY)) {
if (BIO_write(bp, " Validity\n", 17) <= 0) {
return 0;
}
if (BIO_write(bp, " Not Before: ", 24) <= 0) {
return 0;
}
if (!ASN1_TIME_print(bp, X509_get_notBefore(x))) {
return 0;
}
if (BIO_write(bp, "\n Not After : ", 25) <= 0) {
return 0;
}
if (!ASN1_TIME_print(bp, X509_get_notAfter(x))) {
return 0;
}
if (BIO_write(bp, "\n", 1) <= 0) {
return 0;
}
}
if (!(cflag & X509_FLAG_NO_SUBJECT)) {
if (BIO_printf(bp, " Subject:%c", mlch) <= 0) {
return 0;
}
if (X509_NAME_print_ex(bp, X509_get_subject_name(x), nmindent, nmflags) <
0) {
return 0;
}
if (BIO_write(bp, "\n", 1) <= 0) {
return 0;
}
}
if (!(cflag & X509_FLAG_NO_PUBKEY)) {
if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0) {
return 0;
}
if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) {
return 0;
}
if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0) {
return 0;
}
if (BIO_puts(bp, "\n") <= 0) {
return 0;
}
const EVP_PKEY *pkey = X509_get0_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);
}
}
if (!(cflag & X509_FLAG_NO_IDS)) {
if (ci->issuerUID) {
if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0) {
return 0;
}
if (!X509_signature_dump(bp, ci->issuerUID, 12)) {
return 0;
}
}
if (ci->subjectUID) {
if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0) {
return 0;
}
if (!X509_signature_dump(bp, ci->subjectUID, 12)) {
return 0;
}
}
}
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) {
return 0;
}
}
if (!(cflag & X509_FLAG_NO_AUX)) {
if (!X509_CERT_AUX_print(bp, x->aux, 0)) {
return 0;
}
}
return 1;
}
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 X509_NAME_print(BIO *bp, const X509_NAME *name, int obase) {
char *s, *c, *b;
int ret = 0, i;
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;
}
}
}
if (*s == '\0') {
break;
}
s++;
}
ret = 1;
if (0) {
err:
OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
}
OPENSSL_free(b);
return ret;
}