1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/x509v3/v3_pci.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,323 @@
1.4 +/* v3_pci.c -*- mode:C; c-file-style: "eay" -*- */
1.5 +/* Contributed to the OpenSSL Project 2004
1.6 + * by Richard Levitte (richard@levitte.org)
1.7 + */
1.8 +/* Copyright (c) 2004 Kungliga Tekniska Högskolan
1.9 + * (Royal Institute of Technology, Stockholm, Sweden).
1.10 + * All rights reserved.
1.11 + *
1.12 + * Redistribution and use in source and binary forms, with or without
1.13 + * modification, are permitted provided that the following conditions
1.14 + * are met:
1.15 + *
1.16 + * 1. Redistributions of source code must retain the above copyright
1.17 + * notice, this list of conditions and the following disclaimer.
1.18 + *
1.19 + * 2. Redistributions in binary form must reproduce the above copyright
1.20 + * notice, this list of conditions and the following disclaimer in the
1.21 + * documentation and/or other materials provided with the distribution.
1.22 + *
1.23 + * 3. Neither the name of the Institute nor the names of its contributors
1.24 + * may be used to endorse or promote products derived from this software
1.25 + * without specific prior written permission.
1.26 + *
1.27 + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
1.28 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.29 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.30 + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
1.31 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.32 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.33 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.34 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.35 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.36 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.37 + * SUCH DAMAGE.
1.38 + */
1.39 +/*
1.40 + © Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
1.41 + */
1.42 +#include <stdio.h>
1.43 +#include "cryptlib.h"
1.44 +#include <openssl/conf.h>
1.45 +#include <openssl/x509v3.h>
1.46 +#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
1.47 +#include "libcrypto_wsd_macros.h"
1.48 +#include "libcrypto_wsd.h"
1.49 +#endif
1.50 +
1.51 +
1.52 +static int i2r_pci(X509V3_EXT_METHOD *method, PROXY_CERT_INFO_EXTENSION *ext,
1.53 + BIO *out, int indent);
1.54 +static PROXY_CERT_INFO_EXTENSION *r2i_pci(X509V3_EXT_METHOD *method,
1.55 + X509V3_CTX *ctx, char *str);
1.56 +#ifndef EMULATOR
1.57 +X509V3_EXT_METHOD v3_pci =
1.58 + { NID_proxyCertInfo, 0, ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
1.59 + 0,0,0,0,
1.60 + 0,0,
1.61 + NULL, NULL,
1.62 + (X509V3_EXT_I2R)i2r_pci,
1.63 + (X509V3_EXT_R2I)r2i_pci,
1.64 + NULL,
1.65 + };
1.66 +#else
1.67 +const X509V3_EXT_METHOD v3_pci =
1.68 + { NID_proxyCertInfo, 0, ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
1.69 + 0,0,0,0,
1.70 + 0,0,
1.71 + NULL, NULL,
1.72 + (X509V3_EXT_I2R)i2r_pci,
1.73 + (X509V3_EXT_R2I)r2i_pci,
1.74 + NULL,
1.75 + };
1.76 +#endif
1.77 +static int i2r_pci(X509V3_EXT_METHOD *method, PROXY_CERT_INFO_EXTENSION *pci,
1.78 + BIO *out, int indent)
1.79 + {
1.80 + BIO_printf(out, "%*sPath Length Constraint: ", indent, "");
1.81 + if (pci->pcPathLengthConstraint)
1.82 + i2a_ASN1_INTEGER(out, pci->pcPathLengthConstraint);
1.83 + else
1.84 + BIO_printf(out, "infinite");
1.85 + BIO_puts(out, "\n");
1.86 + BIO_printf(out, "%*sPolicy Language: ", indent, "");
1.87 + i2a_ASN1_OBJECT(out, pci->proxyPolicy->policyLanguage);
1.88 + BIO_puts(out, "\n");
1.89 + if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data)
1.90 + BIO_printf(out, "%*sPolicy Text: %s\n", indent, "",
1.91 + pci->proxyPolicy->policy->data);
1.92 + return 1;
1.93 + }
1.94 +
1.95 +static int process_pci_value(CONF_VALUE *val,
1.96 + ASN1_OBJECT **language, ASN1_INTEGER **pathlen,
1.97 + ASN1_OCTET_STRING **policy)
1.98 + {
1.99 + int free_policy = 0;
1.100 +
1.101 + if (strcmp(val->name, "language") == 0)
1.102 + {
1.103 + if (*language)
1.104 + {
1.105 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_POLICY_LANGUAGE_ALREADTY_DEFINED);
1.106 + X509V3_conf_err(val);
1.107 + return 0;
1.108 + }
1.109 + if (!(*language = OBJ_txt2obj(val->value, 0)))
1.110 + {
1.111 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_INVALID_OBJECT_IDENTIFIER);
1.112 + X509V3_conf_err(val);
1.113 + return 0;
1.114 + }
1.115 + }
1.116 + else if (strcmp(val->name, "pathlen") == 0)
1.117 + {
1.118 + if (*pathlen)
1.119 + {
1.120 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_POLICY_PATH_LENGTH_ALREADTY_DEFINED);
1.121 + X509V3_conf_err(val);
1.122 + return 0;
1.123 + }
1.124 + if (!X509V3_get_value_int(val, pathlen))
1.125 + {
1.126 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_POLICY_PATH_LENGTH);
1.127 + X509V3_conf_err(val);
1.128 + return 0;
1.129 + }
1.130 + }
1.131 + else if (strcmp(val->name, "policy") == 0)
1.132 + {
1.133 + unsigned char *tmp_data = NULL;
1.134 + long val_len;
1.135 + if (!*policy)
1.136 + {
1.137 + *policy = ASN1_OCTET_STRING_new();
1.138 + if (!*policy)
1.139 + {
1.140 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_MALLOC_FAILURE);
1.141 + X509V3_conf_err(val);
1.142 + return 0;
1.143 + }
1.144 + free_policy = 1;
1.145 + }
1.146 + if (strncmp(val->value, "hex:", 4) == 0)
1.147 + {
1.148 + unsigned char *tmp_data2 =
1.149 + string_to_hex(val->value + 4, &val_len);
1.150 +
1.151 + if (!tmp_data2) goto err;
1.152 +
1.153 + tmp_data = OPENSSL_realloc((*policy)->data,
1.154 + (*policy)->length + val_len + 1);
1.155 + if (tmp_data)
1.156 + {
1.157 + (*policy)->data = tmp_data;
1.158 + memcpy(&(*policy)->data[(*policy)->length],
1.159 + tmp_data2, val_len);
1.160 + (*policy)->length += val_len;
1.161 + (*policy)->data[(*policy)->length] = '\0';
1.162 + }
1.163 + }
1.164 + else if (strncmp(val->value, "file:", 5) == 0)
1.165 + {
1.166 +#ifndef SYMBIAN
1.167 + unsigned char buf[2048];
1.168 +#else
1.169 + unsigned char buf[1024];
1.170 +#endif
1.171 + int n;
1.172 + BIO *b = BIO_new_file(val->value + 5, "r");
1.173 + if (!b)
1.174 + {
1.175 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_BIO_LIB);
1.176 + X509V3_conf_err(val);
1.177 + goto err;
1.178 + }
1.179 + while((n = BIO_read(b, buf, sizeof(buf))) > 0
1.180 + || (n == 0 && BIO_should_retry(b)))
1.181 + {
1.182 + if (!n) continue;
1.183 +
1.184 + tmp_data = OPENSSL_realloc((*policy)->data,
1.185 + (*policy)->length + n + 1);
1.186 +
1.187 + if (!tmp_data)
1.188 + break;
1.189 +
1.190 + (*policy)->data = tmp_data;
1.191 + memcpy(&(*policy)->data[(*policy)->length],
1.192 + buf, n);
1.193 + (*policy)->length += n;
1.194 + (*policy)->data[(*policy)->length] = '\0';
1.195 + }
1.196 +
1.197 + if (n < 0)
1.198 + {
1.199 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_BIO_LIB);
1.200 + X509V3_conf_err(val);
1.201 + goto err;
1.202 + }
1.203 + }
1.204 + else if (strncmp(val->value, "text:", 5) == 0)
1.205 + {
1.206 + val_len = strlen(val->value + 5);
1.207 + tmp_data = OPENSSL_realloc((*policy)->data,
1.208 + (*policy)->length + val_len + 1);
1.209 + if (tmp_data)
1.210 + {
1.211 + (*policy)->data = tmp_data;
1.212 + memcpy(&(*policy)->data[(*policy)->length],
1.213 + val->value + 5, val_len);
1.214 + (*policy)->length += val_len;
1.215 + (*policy)->data[(*policy)->length] = '\0';
1.216 + }
1.217 + }
1.218 + else
1.219 + {
1.220 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,X509V3_R_INCORRECT_POLICY_SYNTAX_TAG);
1.221 + X509V3_conf_err(val);
1.222 + goto err;
1.223 + }
1.224 + if (!tmp_data)
1.225 + {
1.226 + X509V3err(X509V3_F_PROCESS_PCI_VALUE,ERR_R_MALLOC_FAILURE);
1.227 + X509V3_conf_err(val);
1.228 + goto err;
1.229 + }
1.230 + }
1.231 + return 1;
1.232 +err:
1.233 + if (free_policy)
1.234 + {
1.235 + ASN1_OCTET_STRING_free(*policy);
1.236 + *policy = NULL;
1.237 + }
1.238 + return 0;
1.239 + }
1.240 +
1.241 +static PROXY_CERT_INFO_EXTENSION *r2i_pci(X509V3_EXT_METHOD *method,
1.242 + X509V3_CTX *ctx, char *value)
1.243 + {
1.244 + PROXY_CERT_INFO_EXTENSION *pci = NULL;
1.245 + STACK_OF(CONF_VALUE) *vals;
1.246 + ASN1_OBJECT *language = NULL;
1.247 + ASN1_INTEGER *pathlen = NULL;
1.248 + ASN1_OCTET_STRING *policy = NULL;
1.249 + int i, j;
1.250 +
1.251 + vals = X509V3_parse_list(value);
1.252 + for (i = 0; i < sk_CONF_VALUE_num(vals); i++)
1.253 + {
1.254 + CONF_VALUE *cnf = sk_CONF_VALUE_value(vals, i);
1.255 + if (!cnf->name || (*cnf->name != '@' && !cnf->value))
1.256 + {
1.257 + X509V3err(X509V3_F_R2I_PCI,X509V3_R_INVALID_PROXY_POLICY_SETTING);
1.258 + X509V3_conf_err(cnf);
1.259 + goto err;
1.260 + }
1.261 + if (*cnf->name == '@')
1.262 + {
1.263 + STACK_OF(CONF_VALUE) *sect;
1.264 + int success_p = 1;
1.265 +
1.266 + sect = X509V3_get_section(ctx, cnf->name + 1);
1.267 + if (!sect)
1.268 + {
1.269 + X509V3err(X509V3_F_R2I_PCI,X509V3_R_INVALID_SECTION);
1.270 + X509V3_conf_err(cnf);
1.271 + goto err;
1.272 + }
1.273 + for (j = 0; success_p && j < sk_CONF_VALUE_num(sect); j++)
1.274 + {
1.275 + success_p =
1.276 + process_pci_value(sk_CONF_VALUE_value(sect, j),
1.277 + &language, &pathlen, &policy);
1.278 + }
1.279 + X509V3_section_free(ctx, sect);
1.280 + if (!success_p)
1.281 + goto err;
1.282 + }
1.283 + else
1.284 + {
1.285 + if (!process_pci_value(cnf,
1.286 + &language, &pathlen, &policy))
1.287 + {
1.288 + X509V3_conf_err(cnf);
1.289 + goto err;
1.290 + }
1.291 + }
1.292 + }
1.293 +
1.294 + /* Language is mandatory */
1.295 + if (!language)
1.296 + {
1.297 + X509V3err(X509V3_F_R2I_PCI,X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED);
1.298 + goto err;
1.299 + }
1.300 + i = OBJ_obj2nid(language);
1.301 + if ((i == NID_Independent || i == NID_id_ppl_inheritAll) && policy)
1.302 + {
1.303 + X509V3err(X509V3_F_R2I_PCI,X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY);
1.304 + goto err;
1.305 + }
1.306 +
1.307 + pci = PROXY_CERT_INFO_EXTENSION_new();
1.308 + if (!pci)
1.309 + {
1.310 + X509V3err(X509V3_F_R2I_PCI,ERR_R_MALLOC_FAILURE);
1.311 + goto err;
1.312 + }
1.313 +
1.314 + pci->proxyPolicy->policyLanguage = language; language = NULL;
1.315 + pci->proxyPolicy->policy = policy; policy = NULL;
1.316 + pci->pcPathLengthConstraint = pathlen; pathlen = NULL;
1.317 + goto end;
1.318 +err:
1.319 + if (language) { ASN1_OBJECT_free(language); language = NULL; }
1.320 + if (pathlen) { ASN1_INTEGER_free(pathlen); pathlen = NULL; }
1.321 + if (policy) { ASN1_OCTET_STRING_free(policy); policy = NULL; }
1.322 + if (pci) { PROXY_CERT_INFO_EXTENSION_free(pci); pci = NULL; }
1.323 +end:
1.324 + sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1.325 + return pci;
1.326 + }