[thirdparty/openssl.git] / crypto / x509v3 / v3_pci.c

/*
 * 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;
}
Commit	Line	Data
0f113f3e	1	/*
d2e9e320 RS	2	* Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
d2e9e320 RS	3	*
4286ca47	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
d2e9e320 RS	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
6951c23a	8	*/
d2e9e320	9
0c3d0d4a RS	10	/*
	11	* This file is dual-licensed and is also available under the following
	12	* terms:
	13	*
	14	* Copyright (c) 2004 Kungliga Tekniska Högskolan
6951c23a RL	15	* (Royal Institute of Technology, Stockholm, Sweden).
	16	* All rights reserved.
	17	*
	18	* Redistribution and use in source and binary forms, with or without
	19	* modification, are permitted provided that the following conditions
	20	* are met:
	21	*
	22	* 1. Redistributions of source code must retain the above copyright
	23	* notice, this list of conditions and the following disclaimer.
	24	*
	25	* 2. Redistributions in binary form must reproduce the above copyright
	26	* notice, this list of conditions and the following disclaimer in the
	27	* documentation and/or other materials provided with the distribution.
	28	*
	29	* 3. Neither the name of the Institute nor the names of its contributors
	30	* may be used to endorse or promote products derived from this software
	31	* without specific prior written permission.
	32	*
	33	* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
	34	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	35	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	36	* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
	37	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	38	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	39	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	40	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	41	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	42	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	43	* SUCH DAMAGE.
	44	*/
	45
	46	#include <stdio.h>
b39fc560	47	#include "internal/cryptlib.h"
6951c23a RL	48	#include <openssl/conf.h>
6951c23a RL	49	#include <openssl/x509v3.h>
df2ee0e2	50	#include "ext_dat.h"
6951c23a RL	51
6951c23a RL	52	static int i2r_pci(X509V3_EXT_METHOD method, PROXY_CERT_INFO_EXTENSION ext,
0f113f3e	53	BIO *out, int indent);
6951c23a	54	static PROXY_CERT_INFO_EXTENSION r2i_pci(X509V3_EXT_METHOD method,
0f113f3e	55	X509V3_CTX ctx, char str);
6951c23a	56
560b79cb	57	const X509V3_EXT_METHOD v3_pci =
0f113f3e MC	58	{ NID_proxyCertInfo, 0, ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
	59	0, 0, 0, 0,
	60	0, 0,
	61	NULL, NULL,
	62	(X509V3_EXT_I2R)i2r_pci,
	63	(X509V3_EXT_R2I)r2i_pci,
	64	NULL,
	65	};
6951c23a RL	66
6951c23a RL	67	static int i2r_pci(X509V3_EXT_METHOD method, PROXY_CERT_INFO_EXTENSION pci,
0f113f3e MC	68	BIO *out, int indent)
	69	{
	70	BIO_printf(out, "%*sPath Length Constraint: ", indent, "");
	71	if (pci->pcPathLengthConstraint)
	72	i2a_ASN1_INTEGER(out, pci->pcPathLengthConstraint);
	73	else
	74	BIO_printf(out, "infinite");
	75	BIO_puts(out, "\n");
	76	BIO_printf(out, "%*sPolicy Language: ", indent, "");
	77	i2a_ASN1_OBJECT(out, pci->proxyPolicy->policyLanguage);
0f113f3e	78	if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data)
a4c467c9	79	BIO_printf(out, "\n%*sPolicy Text: %s", indent, "",
0f113f3e MC	80	pci->proxyPolicy->policy->data);
	81	return 1;
	82	}
6951c23a RL	83
6951c23a RL	84	static int process_pci_value(CONF_VALUE *val,
0f113f3e MC	85	ASN1_OBJECT language, ASN1_INTEGER pathlen,
	86	ASN1_OCTET_STRING **policy)
	87	{
	88	int free_policy = 0;
6951c23a	89
0f113f3e MC	90	if (strcmp(val->name, "language") == 0) {
	91	if (*language) {
	92	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	93	X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED);
	94	X509V3_conf_err(val);
	95	return 0;
	96	}
75ebbd9a	97	if ((*language = OBJ_txt2obj(val->value, 0)) == NULL) {
0f113f3e MC	98	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	99	X509V3_R_INVALID_OBJECT_IDENTIFIER);
	100	X509V3_conf_err(val);
	101	return 0;
	102	}
	103	} else if (strcmp(val->name, "pathlen") == 0) {
	104	if (*pathlen) {
	105	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	106	X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED);
	107	X509V3_conf_err(val);
	108	return 0;
	109	}
	110	if (!X509V3_get_value_int(val, pathlen)) {
	111	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	112	X509V3_R_POLICY_PATH_LENGTH);
	113	X509V3_conf_err(val);
	114	return 0;
	115	}
	116	} else if (strcmp(val->name, "policy") == 0) {
	117	unsigned char *tmp_data = NULL;
	118	long val_len;
	119	if (!*policy) {
	120	*policy = ASN1_OCTET_STRING_new();
90945fa3	121	if (*policy == NULL) {
0f113f3e MC	122	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
	123	X509V3_conf_err(val);
	124	return 0;
	125	}
	126	free_policy = 1;
	127	}
	128	if (strncmp(val->value, "hex:", 4) == 0) {
	129	unsigned char *tmp_data2 =
14f051a0	130	OPENSSL_hexstr2buf(val->value + 4, &val_len);
6951c23a	131
0f113f3e	132	if (!tmp_data2) {
0f113f3e MC	133	X509V3_conf_err(val);
	134	goto err;
	135	}
6951c23a	136
0f113f3e MC	137	tmp_data = OPENSSL_realloc((*policy)->data,
	138	(*policy)->length + val_len + 1);
	139	if (tmp_data) {
	140	(*policy)->data = tmp_data;
	141	memcpy(&(policy)->data[(policy)->length],
	142	tmp_data2, val_len);
	143	(*policy)->length += val_len;
	144	(policy)->data[(policy)->length] = '\0';
	145	} else {
	146	OPENSSL_free(tmp_data2);
	147	/*
	148	* realloc failure implies the original data space is b0rked
	149	* too!
	150	*/
	151	OPENSSL_free((*policy)->data);
	152	(*policy)->data = NULL;
	153	(*policy)->length = 0;
	154	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
	155	X509V3_conf_err(val);
	156	goto err;
	157	}
	158	OPENSSL_free(tmp_data2);
	159	} else if (strncmp(val->value, "file:", 5) == 0) {
	160	unsigned char buf[2048];
	161	int n;
	162	BIO *b = BIO_new_file(val->value + 5, "r");
	163	if (!b) {
	164	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB);
	165	X509V3_conf_err(val);
	166	goto err;
	167	}
	168	while ((n = BIO_read(b, buf, sizeof(buf))) > 0
	169	\|\| (n == 0 && BIO_should_retry(b))) {
	170	if (!n)
	171	continue;
6951c23a	172
0f113f3e MC	173	tmp_data = OPENSSL_realloc((*policy)->data,
0f113f3e MC	174	(*policy)->length + n + 1);
6951c23a	175
0f113f3e MC	176	if (!tmp_data) {
	177	OPENSSL_free((*policy)->data);
	178	(*policy)->data = NULL;
	179	(*policy)->length = 0;
	180	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	181	ERR_R_MALLOC_FAILURE);
	182	X509V3_conf_err(val);
	183	BIO_free_all(b);
	184	goto err;
	185	}
6951c23a	186
0f113f3e MC	187	(*policy)->data = tmp_data;
	188	memcpy(&(policy)->data[(policy)->length], buf, n);
	189	(*policy)->length += n;
	190	(policy)->data[(policy)->length] = '\0';
	191	}
	192	BIO_free_all(b);
6951c23a	193
0f113f3e MC	194	if (n < 0) {
	195	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB);
	196	X509V3_conf_err(val);
	197	goto err;
	198	}
	199	} else if (strncmp(val->value, "text:", 5) == 0) {
	200	val_len = strlen(val->value + 5);
	201	tmp_data = OPENSSL_realloc((*policy)->data,
	202	(*policy)->length + val_len + 1);
	203	if (tmp_data) {
	204	(*policy)->data = tmp_data;
	205	memcpy(&(policy)->data[(policy)->length],
	206	val->value + 5, val_len);
	207	(*policy)->length += val_len;
	208	(policy)->data[(policy)->length] = '\0';
	209	} else {
	210	/*
	211	* realloc failure implies the original data space is b0rked
	212	* too!
	213	*/
	214	OPENSSL_free((*policy)->data);
	215	(*policy)->data = NULL;
	216	(*policy)->length = 0;
	217	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
	218	X509V3_conf_err(val);
	219	goto err;
	220	}
	221	} else {
	222	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	223	X509V3_R_INCORRECT_POLICY_SYNTAX_TAG);
	224	X509V3_conf_err(val);
	225	goto err;
	226	}
	227	if (!tmp_data) {
	228	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
	229	X509V3_conf_err(val);
	230	goto err;
	231	}
	232	}
	233	return 1;
	234	err:
	235	if (free_policy) {
	236	ASN1_OCTET_STRING_free(*policy);
	237	*policy = NULL;
	238	}
	239	return 0;
	240	}
6951c23a RL	241
6951c23a RL	242	static PROXY_CERT_INFO_EXTENSION r2i_pci(X509V3_EXT_METHOD method,
0f113f3e MC	243	X509V3_CTX ctx, char value)
	244	{
	245	PROXY_CERT_INFO_EXTENSION *pci = NULL;
	246	STACK_OF(CONF_VALUE) *vals;
	247	ASN1_OBJECT *language = NULL;
	248	ASN1_INTEGER *pathlen = NULL;
	249	ASN1_OCTET_STRING *policy = NULL;
	250	int i, j;
6951c23a	251
0f113f3e MC	252	vals = X509V3_parse_list(value);
	253	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
	254	CONF_VALUE *cnf = sk_CONF_VALUE_value(vals, i);
	255	if (!cnf->name \|\| (*cnf->name != '@' && !cnf->value)) {
	256	X509V3err(X509V3_F_R2I_PCI,
	257	X509V3_R_INVALID_PROXY_POLICY_SETTING);
	258	X509V3_conf_err(cnf);
	259	goto err;
	260	}
	261	if (*cnf->name == '@') {
	262	STACK_OF(CONF_VALUE) *sect;
	263	int success_p = 1;
6951c23a	264
0f113f3e MC	265	sect = X509V3_get_section(ctx, cnf->name + 1);
	266	if (!sect) {
	267	X509V3err(X509V3_F_R2I_PCI, X509V3_R_INVALID_SECTION);
	268	X509V3_conf_err(cnf);
	269	goto err;
	270	}
	271	for (j = 0; success_p && j < sk_CONF_VALUE_num(sect); j++) {
	272	success_p =
	273	process_pci_value(sk_CONF_VALUE_value(sect, j),
	274	&language, &pathlen, &policy);
	275	}
	276	X509V3_section_free(ctx, sect);
	277	if (!success_p)
	278	goto err;
	279	} else {
	280	if (!process_pci_value(cnf, &language, &pathlen, &policy)) {
	281	X509V3_conf_err(cnf);
	282	goto err;
	283	}
	284	}
	285	}
6951c23a	286
0f113f3e MC	287	/* Language is mandatory */
	288	if (!language) {
	289	X509V3err(X509V3_F_R2I_PCI,
	290	X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED);
	291	goto err;
	292	}
	293	i = OBJ_obj2nid(language);
	294	if ((i == NID_Independent \|\| i == NID_id_ppl_inheritAll) && policy) {
	295	X509V3err(X509V3_F_R2I_PCI,
	296	X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY);
	297	goto err;
	298	}
6951c23a	299
0f113f3e	300	pci = PROXY_CERT_INFO_EXTENSION_new();
90945fa3	301	if (pci == NULL) {
0f113f3e MC	302	X509V3err(X509V3_F_R2I_PCI, ERR_R_MALLOC_FAILURE);
	303	goto err;
	304	}
6951c23a	305
0f113f3e MC	306	pci->proxyPolicy->policyLanguage = language;
	307	language = NULL;
	308	pci->proxyPolicy->policy = policy;
	309	policy = NULL;
	310	pci->pcPathLengthConstraint = pathlen;
	311	pathlen = NULL;
	312	goto end;
	313	err:
0dfb9398	314	ASN1_OBJECT_free(language);
2ace7450 RS	315	ASN1_INTEGER_free(pathlen);
	316	pathlen = NULL;
	317	ASN1_OCTET_STRING_free(policy);
	318	policy = NULL;
	319	PROXY_CERT_INFO_EXTENSION_free(pci);
	320	pci = NULL;
0f113f3e MC	321	end:
	322	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
	323	return pci;
	324	}