diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/x509v3/v3_pci.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/x509v3/v3_pci.c | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/x509v3/v3_pci.c b/openssl-1.1.0h/crypto/x509v3/v3_pci.c new file mode 100644 index 0000000..2c05edb --- /dev/null +++ b/openssl-1.1.0h/crypto/x509v3/v3_pci.c @@ -0,0 +1,321 @@ +/* + * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (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 + */ + +/* 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); + BIO_puts(out, "\n"); + if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data) + BIO_printf(out, "%*sPolicy Text: %s\n", 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; +} |