--- /dev/null
+/* v3_pci.c -*- mode:C; c-file-style: "eay" -*- */
+/*
+ * Contributed to the OpenSSL Project 2004 by Richard Levitte
+ * (richard@levitte.org)
+ */
+/* 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 <string.h>
+
+#include <openssl/conf.h>
+#include <openssl/err.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+#include <openssl/x509v3.h>
+
+#include "../internal.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) {
+ OPENSSL_PUT_ERROR(X509V3,
+ X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED);
+ X509V3_conf_err(val);
+ return 0;
+ }
+ if (!(*language = OBJ_txt2obj(val->value, 0))) {
+ OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);
+ X509V3_conf_err(val);
+ return 0;
+ }
+ } else if (strcmp(val->name, "pathlen") == 0) {
+ if (*pathlen) {
+ OPENSSL_PUT_ERROR(X509V3,
+ X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED);
+ X509V3_conf_err(val);
+ return 0;
+ }
+ if (!X509V3_get_value_int(val, pathlen)) {
+ OPENSSL_PUT_ERROR(X509V3, 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) {
+ OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
+ X509V3_conf_err(val);
+ return 0;
+ }
+ free_policy = 1;
+ }
+ if (strncmp(val->value, "hex:", 4) == 0) {
+ unsigned char *tmp_data2 =
+ string_to_hex(val->value + 4, &val_len);
+
+ if (!tmp_data2) {
+ OPENSSL_PUT_ERROR(X509V3, X509V3_R_ILLEGAL_HEX_DIGIT);
+ X509V3_conf_err(val);
+ goto err;
+ }
+
+ tmp_data = OPENSSL_realloc((*policy)->data,
+ (*policy)->length + val_len + 1);
+ if (tmp_data) {
+ (*policy)->data = tmp_data;
+ OPENSSL_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!
+ */
+ (*policy)->data = NULL;
+ (*policy)->length = 0;
+ OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
+ X509V3_conf_err(val);
+ goto err;
+ }
+ OPENSSL_free(tmp_data2);
+ } 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;
+ OPENSSL_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!
+ */
+ (*policy)->data = NULL;
+ (*policy)->length = 0;
+ OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
+ X509V3_conf_err(val);
+ goto err;
+ }
+ } else {
+ OPENSSL_PUT_ERROR(X509V3, X509V3_R_INCORRECT_POLICY_SYNTAX_TAG);
+ X509V3_conf_err(val);
+ goto err;
+ }
+ if (!tmp_data) {
+ OPENSSL_PUT_ERROR(X509V3, 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;
+ size_t i, j;
+ int nid;
+
+ 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)) {
+ OPENSSL_PUT_ERROR(X509V3, 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) {
+ OPENSSL_PUT_ERROR(X509V3, 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) {
+ OPENSSL_PUT_ERROR(X509V3,
+ X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED);
+ goto err;
+ }
+ nid = OBJ_obj2nid(language);
+ if ((nid == NID_Independent || nid == NID_id_ppl_inheritAll) && policy) {
+ OPENSSL_PUT_ERROR(X509V3,
+ X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY);
+ goto err;
+ }
+
+ pci = PROXY_CERT_INFO_EXTENSION_new();
+ if (!pci) {
+ OPENSSL_PUT_ERROR(X509V3, 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:
+ if (language) {
+ ASN1_OBJECT_free(language);
+ language = NULL;
+ }
+ if (pathlen) {
+ ASN1_INTEGER_free(pathlen);
+ pathlen = NULL;
+ }
+ if (policy) {
+ ASN1_OCTET_STRING_free(policy);
+ policy = NULL;
+ }
+ if (pci) {
+ PROXY_CERT_INFO_EXTENSION_free(pci);
+ pci = NULL;
+ }
+ end:
+ sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
+ return pci;
+}
git://repos.xcallymotion.com / motion2.git / blobdiff