mirror of https://github.com/openssl/openssl.git
138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/*
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* Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (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 <string.h>
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#include "apps.h"
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/*
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* X509_ctrl_str() is sorely lacking in libcrypto, but is still needed to
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* allow the application to process verification options in a manner similar
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* to signature or other options that pass through EVP_PKEY_CTX_ctrl_str(),
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* for uniformity.
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*
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* As soon as more stuff is added, the code will need serious rework. For
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* the moment, it only handles the FIPS 196 / SM2 distinguishing ID.
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*/
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#ifdef EVP_PKEY_CTRL_SET1_ID
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static ASN1_OCTET_STRING *mk_octet_string(void *value, size_t value_n)
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{
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ASN1_OCTET_STRING *v = ASN1_OCTET_STRING_new();
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if (v == NULL) {
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BIO_printf(bio_err, "error: allocation failed\n");
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} else if (!ASN1_OCTET_STRING_set(v, value, (int)value_n)) {
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ASN1_OCTET_STRING_free(v);
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v = NULL;
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}
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return v;
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}
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#endif
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static int x509_ctrl(void *object, int cmd, void *value, size_t value_n)
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{
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switch (cmd) {
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#ifdef EVP_PKEY_CTRL_SET1_ID
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case EVP_PKEY_CTRL_SET1_ID:
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{
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ASN1_OCTET_STRING *v = mk_octet_string(value, value_n);
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if (v == NULL) {
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BIO_printf(bio_err,
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"error: setting distinguishing ID in certificate failed\n");
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return 0;
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}
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X509_set0_distinguishing_id(object, v);
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return 1;
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}
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#endif
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default:
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break;
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}
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return -2; /* typical EVP_PKEY return for "unsupported" */
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}
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static int x509_req_ctrl(void *object, int cmd, void *value, size_t value_n)
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{
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switch (cmd) {
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#ifdef EVP_PKEY_CTRL_SET1_ID
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case EVP_PKEY_CTRL_SET1_ID:
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{
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ASN1_OCTET_STRING *v = mk_octet_string(value, value_n);
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if (v == NULL) {
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BIO_printf(bio_err,
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"error: setting distinguishing ID in certificate signing request failed\n");
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return 0;
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}
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X509_REQ_set0_distinguishing_id(object, v);
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return 1;
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}
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#endif
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default:
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break;
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}
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return -2; /* typical EVP_PKEY return for "unsupported" */
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}
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static int do_x509_ctrl_string(int (*ctrl)(void *object, int cmd,
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void *value, size_t value_n),
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void *object, const char *value)
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{
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int rv = 0;
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char *stmp, *vtmp = NULL;
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size_t vtmp_len = 0;
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int cmd = 0; /* Will get command values that make sense somehow */
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stmp = OPENSSL_strdup(value);
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if (stmp == NULL)
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return -1;
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vtmp = strchr(stmp, ':');
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if (vtmp != NULL) {
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*vtmp = 0;
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vtmp++;
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vtmp_len = strlen(vtmp);
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}
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if (strcmp(stmp, "distid") == 0) {
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#ifdef EVP_PKEY_CTRL_SET1_ID
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cmd = EVP_PKEY_CTRL_SET1_ID; /* ... except we put it in X509 */
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#endif
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} else if (strcmp(stmp, "hexdistid") == 0) {
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if (vtmp != NULL) {
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void *hexid;
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long hexid_len = 0;
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hexid = OPENSSL_hexstr2buf((const char *)vtmp, &hexid_len);
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OPENSSL_free(stmp);
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stmp = vtmp = hexid;
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vtmp_len = (size_t)hexid_len;
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}
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#ifdef EVP_PKEY_CTRL_SET1_ID
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cmd = EVP_PKEY_CTRL_SET1_ID; /* ... except we put it in X509 */
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#endif
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}
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rv = ctrl(object, cmd, vtmp, vtmp_len);
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OPENSSL_free(stmp);
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return rv;
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}
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int x509_ctrl_string(X509 *x, const char *value)
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{
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return do_x509_ctrl_string(x509_ctrl, x, value);
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}
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int x509_req_ctrl_string(X509_REQ *x, const char *value)
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{
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return do_x509_ctrl_string(x509_req_ctrl, x, value);
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}
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