277 lines
6.6 KiB
C
277 lines
6.6 KiB
C
// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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#include <assert.h>
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#include <openssl/asn1.h>
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#include <openssl/bio.h>
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#include <openssl/digest.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/mem.h>
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#include <openssl/obj.h>
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#include <openssl/x509.h>
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#include "internal.h"
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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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BIO *b = BIO_new_fp(fp, BIO_NOCLOSE);
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if (b == NULL) {
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OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
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return 0;
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}
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int 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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int X509_print_fp(FILE *fp, X509 *x) {
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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(BIO *bp, X509 *x) {
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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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char mlch = ' ';
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int nmindent = 0;
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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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}
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const X509_CINF *ci = x->cert_info;
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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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return 0;
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}
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if (BIO_write(bp, " Data:\n", 10) <= 0) {
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return 0;
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}
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}
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if (!(cflag & X509_FLAG_NO_VERSION)) {
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long l = X509_get_version(x);
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assert(X509_VERSION_1 <= l && l <= X509_VERSION_3);
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if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1,
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(unsigned long)l) <= 0) {
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return 0;
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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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return 0;
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}
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const ASN1_INTEGER *serial = X509_get0_serialNumber(x);
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uint64_t serial_u64;
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if (ASN1_INTEGER_get_uint64(&serial_u64, serial)) {
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assert(serial->type != V_ASN1_NEG_INTEGER);
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if (BIO_printf(bp, " %" PRIu64 " (0x%" PRIx64 ")\n", serial_u64,
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serial_u64) <= 0) {
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return 0;
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}
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} else {
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ERR_clear_error(); // Clear |ASN1_INTEGER_get_uint64|'s error.
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const char *neg =
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(serial->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
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if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0) {
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return 0;
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}
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for (int i = 0; i < serial->length; i++) {
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if (BIO_printf(bp, "%02x%c", serial->data[i],
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((i + 1 == serial->length) ? '\n' : ':')) <= 0) {
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return 0;
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}
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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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if (X509_signature_print(bp, ci->signature, NULL) <= 0) {
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return 0;
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}
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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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return 0;
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}
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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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return 0;
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}
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if (BIO_write(bp, "\n", 1) <= 0) {
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return 0;
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}
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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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return 0;
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}
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if (BIO_write(bp, " Not Before: ", 24) <= 0) {
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return 0;
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}
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if (!ASN1_TIME_print(bp, X509_get_notBefore(x))) {
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return 0;
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}
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if (BIO_write(bp, "\n Not After : ", 25) <= 0) {
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return 0;
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}
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if (!ASN1_TIME_print(bp, X509_get_notAfter(x))) {
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return 0;
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}
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if (BIO_write(bp, "\n", 1) <= 0) {
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return 0;
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}
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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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return 0;
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}
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if (X509_NAME_print_ex(bp, X509_get_subject_name(x), nmindent, nmflags) <
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0) {
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return 0;
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}
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if (BIO_write(bp, "\n", 1) <= 0) {
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return 0;
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}
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}
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if (!(cflag & X509_FLAG_NO_PUBKEY)) {
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if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0) {
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return 0;
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}
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if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) {
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return 0;
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}
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if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0) {
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return 0;
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}
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if (BIO_puts(bp, "\n") <= 0) {
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return 0;
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}
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const EVP_PKEY *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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if (ci->issuerUID) {
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if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0) {
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return 0;
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}
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if (!X509_signature_dump(bp, ci->issuerUID, 12)) {
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return 0;
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}
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}
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if (ci->subjectUID) {
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if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0) {
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return 0;
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}
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if (!X509_signature_dump(bp, ci->subjectUID, 12)) {
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return 0;
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}
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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", ci->extensions, cflag, 8);
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}
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if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
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if (X509_signature_print(bp, x->sig_alg, x->signature) <= 0) {
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return 0;
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}
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}
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if (!(cflag & X509_FLAG_NO_AUX)) {
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if (!X509_CERT_AUX_print(bp, x->aux, 0)) {
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return 0;
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}
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}
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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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if (BIO_puts(bp, " Signature Algorithm: ") <= 0) {
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return 0;
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}
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if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) {
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return 0;
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}
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// RSA-PSS signatures have parameters to print.
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int sig_nid = OBJ_obj2nid(sigalg->algorithm);
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if (sig_nid == NID_rsassaPss &&
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!x509_print_rsa_pss_params(bp, sigalg, 9, 0)) {
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return 0;
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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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}
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return 1;
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}
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int X509_NAME_print(BIO *bp, const X509_NAME *name, int obase) {
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char *s, *c, *b;
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int ret = 0, i;
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b = X509_NAME_oneline(name, NULL, 0);
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if (!b) {
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return 0;
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}
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if (!*b) {
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OPENSSL_free(b);
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return 1;
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}
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s = b + 1; // skip the first slash
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c = s;
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for (;;) {
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if (((*s == '/') && ((s[1] >= 'A') && (s[1] <= 'Z') &&
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((s[2] == '=') || ((s[2] >= 'A') && (s[2] <= 'Z') &&
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(s[3] == '='))))) ||
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(*s == '\0')) {
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i = s - c;
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if (BIO_write(bp, c, i) != i) {
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goto err;
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}
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c = s + 1; // skip following slash
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if (*s != '\0') {
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if (BIO_write(bp, ", ", 2) != 2) {
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goto err;
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}
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}
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}
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if (*s == '\0') {
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break;
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}
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s++;
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}
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ret = 1;
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if (0) {
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err:
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OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
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}
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OPENSSL_free(b);
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return ret;
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}
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