+++ /dev/null
-/*
- * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
-
-/*
- * This file is dual-licensed and is also available under the following
- * terms:
- *
- * Copyright (c) 2004 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- *
- * 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 above 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. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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.
- */
-
-#include <stdio.h>
-#include "internal/cryptlib.h"
-#include <openssl/conf.h>
-#include <openssl/x509v3.h>
-#include "ext_dat.h"
-
-static int i2r_pci(X509V3_EXT_METHOD *method, PROXY_CERT_INFO_EXTENSION *ext,
- BIO *out, int indent);
-static PROXY_CERT_INFO_EXTENSION *r2i_pci(X509V3_EXT_METHOD *method,
- X509V3_CTX *ctx, char *str);
-
-const X509V3_EXT_METHOD v3_pci =
- { NID_proxyCertInfo, 0, ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
- 0, 0, 0, 0,
- 0, 0,
- NULL, NULL,
- (X509V3_EXT_I2R)i2r_pci,
- (X509V3_EXT_R2I)r2i_pci,
- NULL,
-};
-
-static int i2r_pci(X509V3_EXT_METHOD *method, PROXY_CERT_INFO_EXTENSION *pci,
- BIO *out, int indent)
-{
- BIO_printf(out, "%*sPath Length Constraint: ", indent, "");
- if (pci->pcPathLengthConstraint)
- i2a_ASN1_INTEGER(out, pci->pcPathLengthConstraint);
- else
- BIO_printf(out, "infinite");
- BIO_puts(out, "\n");
- BIO_printf(out, "%*sPolicy Language: ", indent, "");
- i2a_ASN1_OBJECT(out, pci->proxyPolicy->policyLanguage);
- if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data)
- BIO_printf(out, "\n%*sPolicy Text: %s", indent, "",
- pci->proxyPolicy->policy->data);
- return 1;
-}
-
-static int process_pci_value(CONF_VALUE *val,
- ASN1_OBJECT **language, ASN1_INTEGER **pathlen,
- ASN1_OCTET_STRING **policy)
-{
- int free_policy = 0;
-
- if (strcmp(val->name, "language") == 0) {
- if (*language) {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE,
- X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED);
- X509V3_conf_err(val);
- return 0;
- }
- if ((*language = OBJ_txt2obj(val->value, 0)) == NULL) {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE,
- X509V3_R_INVALID_OBJECT_IDENTIFIER);
- X509V3_conf_err(val);
- return 0;
- }
- } else if (strcmp(val->name, "pathlen") == 0) {
- if (*pathlen) {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE,
- X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED);
- X509V3_conf_err(val);
- return 0;
- }
- if (!X509V3_get_value_int(val, pathlen)) {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE,
- X509V3_R_POLICY_PATH_LENGTH);
- X509V3_conf_err(val);
- return 0;
- }
- } else if (strcmp(val->name, "policy") == 0) {
- unsigned char *tmp_data = NULL;
- long val_len;
- if (!*policy) {
- *policy = ASN1_OCTET_STRING_new();
- if (*policy == NULL) {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
- X509V3_conf_err(val);
- return 0;
- }
- free_policy = 1;
- }
- if (strncmp(val->value, "hex:", 4) == 0) {
- unsigned char *tmp_data2 =
- OPENSSL_hexstr2buf(val->value + 4, &val_len);
-
- if (!tmp_data2) {
- X509V3_conf_err(val);
- goto err;
- }
-
- tmp_data = OPENSSL_realloc((*policy)->data,
- (*policy)->length + val_len + 1);
- if (tmp_data) {
- (*policy)->data = tmp_data;
- memcpy(&(*policy)->data[(*policy)->length],
- tmp_data2, val_len);
- (*policy)->length += val_len;
- (*policy)->data[(*policy)->length] = '\0';
- } else {
- OPENSSL_free(tmp_data2);
- /*
- * realloc failure implies the original data space is b0rked
- * too!
- */
- OPENSSL_free((*policy)->data);
- (*policy)->data = NULL;
- (*policy)->length = 0;
- X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
- X509V3_conf_err(val);
- goto err;
- }
- OPENSSL_free(tmp_data2);
- } else if (strncmp(val->value, "file:", 5) == 0) {
- unsigned char buf[2048];
- int n;
- BIO *b = BIO_new_file(val->value + 5, "r");
- if (!b) {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB);
- X509V3_conf_err(val);
- goto err;
- }
- while ((n = BIO_read(b, buf, sizeof(buf))) > 0
- || (n == 0 && BIO_should_retry(b))) {
- if (!n)
- continue;
-
- tmp_data = OPENSSL_realloc((*policy)->data,
- (*policy)->length + n + 1);
-
- if (!tmp_data) {
- OPENSSL_free((*policy)->data);
- (*policy)->data = NULL;
- (*policy)->length = 0;
- X509V3err(X509V3_F_PROCESS_PCI_VALUE,
- ERR_R_MALLOC_FAILURE);
- X509V3_conf_err(val);
- BIO_free_all(b);
- goto err;
- }
-
- (*policy)->data = tmp_data;
- memcpy(&(*policy)->data[(*policy)->length], buf, n);
- (*policy)->length += n;
- (*policy)->data[(*policy)->length] = '\0';
- }
- BIO_free_all(b);
-
- if (n < 0) {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB);
- X509V3_conf_err(val);
- goto err;
- }
- } else if (strncmp(val->value, "text:", 5) == 0) {
- val_len = strlen(val->value + 5);
- tmp_data = OPENSSL_realloc((*policy)->data,
- (*policy)->length + val_len + 1);
- if (tmp_data) {
- (*policy)->data = tmp_data;
- memcpy(&(*policy)->data[(*policy)->length],
- val->value + 5, val_len);
- (*policy)->length += val_len;
- (*policy)->data[(*policy)->length] = '\0';
- } else {
- /*
- * realloc failure implies the original data space is b0rked
- * too!
- */
- OPENSSL_free((*policy)->data);
- (*policy)->data = NULL;
- (*policy)->length = 0;
- X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
- X509V3_conf_err(val);
- goto err;
- }
- } else {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE,
- X509V3_R_INCORRECT_POLICY_SYNTAX_TAG);
- X509V3_conf_err(val);
- goto err;
- }
- if (!tmp_data) {
- X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
- X509V3_conf_err(val);
- goto err;
- }
- }
- return 1;
- err:
- if (free_policy) {
- ASN1_OCTET_STRING_free(*policy);
- *policy = NULL;
- }
- return 0;
-}
-
-static PROXY_CERT_INFO_EXTENSION *r2i_pci(X509V3_EXT_METHOD *method,
- X509V3_CTX *ctx, char *value)
-{
- PROXY_CERT_INFO_EXTENSION *pci = NULL;
- STACK_OF(CONF_VALUE) *vals;
- ASN1_OBJECT *language = NULL;
- ASN1_INTEGER *pathlen = NULL;
- ASN1_OCTET_STRING *policy = NULL;
- int i, j;
-
- vals = X509V3_parse_list(value);
- for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
- CONF_VALUE *cnf = sk_CONF_VALUE_value(vals, i);
- if (!cnf->name || (*cnf->name != '@' && !cnf->value)) {
- X509V3err(X509V3_F_R2I_PCI,
- X509V3_R_INVALID_PROXY_POLICY_SETTING);
- X509V3_conf_err(cnf);
- goto err;
- }
- if (*cnf->name == '@') {
- STACK_OF(CONF_VALUE) *sect;
- int success_p = 1;
-
- sect = X509V3_get_section(ctx, cnf->name + 1);
- if (!sect) {
- X509V3err(X509V3_F_R2I_PCI, X509V3_R_INVALID_SECTION);
- X509V3_conf_err(cnf);
- goto err;
- }
- for (j = 0; success_p && j < sk_CONF_VALUE_num(sect); j++) {
- success_p =
- process_pci_value(sk_CONF_VALUE_value(sect, j),
- &language, &pathlen, &policy);
- }
- X509V3_section_free(ctx, sect);
- if (!success_p)
- goto err;
- } else {
- if (!process_pci_value(cnf, &language, &pathlen, &policy)) {
- X509V3_conf_err(cnf);
- goto err;
- }
- }
- }
-
- /* Language is mandatory */
- if (!language) {
- X509V3err(X509V3_F_R2I_PCI,
- X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED);
- goto err;
- }
- i = OBJ_obj2nid(language);
- if ((i == NID_Independent || i == NID_id_ppl_inheritAll) && policy) {
- X509V3err(X509V3_F_R2I_PCI,
- X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY);
- goto err;
- }
-
- pci = PROXY_CERT_INFO_EXTENSION_new();
- if (pci == NULL) {
- X509V3err(X509V3_F_R2I_PCI, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- pci->proxyPolicy->policyLanguage = language;
- language = NULL;
- pci->proxyPolicy->policy = policy;
- policy = NULL;
- pci->pcPathLengthConstraint = pathlen;
- pathlen = NULL;
- goto end;
- err:
- ASN1_OBJECT_free(language);
- ASN1_INTEGER_free(pathlen);
- pathlen = NULL;
- ASN1_OCTET_STRING_free(policy);
- policy = NULL;
- PROXY_CERT_INFO_EXTENSION_free(pci);
- pci = NULL;
- end:
- sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
- return pci;
-}
projects / thirdparty / openssl.git / blobdiff