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

/* v3_pci.c */
/*
 * 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 <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 =
                string_to_hex(val->value + 4, &val_len);

            if (!tmp_data2) {
                X509V3err(X509V3_F_PROCESS_PCI_VALUE,
                          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;
                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
31384753	1	/* v3_pci.c */
0f113f3e MC	2	/*
	3	* Contributed to the OpenSSL Project 2004 by Richard Levitte
	4	* (richard@levitte.org)
6951c23a	5	*/
053fa39a	6	/* Copyright (c) 2004 Kungliga Tekniska Högskolan
6951c23a RL	7	* (Royal Institute of Technology, Stockholm, Sweden).
	8	* All rights reserved.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	*
	14	* 1. Redistributions of source code must retain the above copyright
	15	* notice, this list of conditions and the following disclaimer.
	16	*
	17	* 2. Redistributions in binary form must reproduce the above copyright
	18	* notice, this list of conditions and the following disclaimer in the
	19	* documentation and/or other materials provided with the distribution.
	20	*
	21	* 3. Neither the name of the Institute nor the names of its contributors
	22	* may be used to endorse or promote products derived from this software
	23	* without specific prior written permission.
	24	*
	25	* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
	26	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	27	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	28	* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
	29	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	30	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	31	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	32	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	33	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	34	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	35	* SUCH DAMAGE.
	36	*/
	37
	38	#include <stdio.h>
b39fc560	39	#include "internal/cryptlib.h"
6951c23a RL	40	#include <openssl/conf.h>
6951c23a RL	41	#include <openssl/x509v3.h>
df2ee0e2	42	#include "ext_dat.h"
6951c23a RL	43
6951c23a RL	44	static int i2r_pci(X509V3_EXT_METHOD method, PROXY_CERT_INFO_EXTENSION ext,
0f113f3e	45	BIO *out, int indent);
6951c23a	46	static PROXY_CERT_INFO_EXTENSION r2i_pci(X509V3_EXT_METHOD method,
0f113f3e	47	X509V3_CTX ctx, char str);
6951c23a	48
560b79cb	49	const X509V3_EXT_METHOD v3_pci =
0f113f3e MC	50	{ NID_proxyCertInfo, 0, ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
	51	0, 0, 0, 0,
	52	0, 0,
	53	NULL, NULL,
	54	(X509V3_EXT_I2R)i2r_pci,
	55	(X509V3_EXT_R2I)r2i_pci,
	56	NULL,
	57	};
6951c23a RL	58
6951c23a RL	59	static int i2r_pci(X509V3_EXT_METHOD method, PROXY_CERT_INFO_EXTENSION pci,
0f113f3e MC	60	BIO *out, int indent)
	61	{
	62	BIO_printf(out, "%*sPath Length Constraint: ", indent, "");
	63	if (pci->pcPathLengthConstraint)
	64	i2a_ASN1_INTEGER(out, pci->pcPathLengthConstraint);
	65	else
	66	BIO_printf(out, "infinite");
	67	BIO_puts(out, "\n");
	68	BIO_printf(out, "%*sPolicy Language: ", indent, "");
	69	i2a_ASN1_OBJECT(out, pci->proxyPolicy->policyLanguage);
	70	BIO_puts(out, "\n");
	71	if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data)
	72	BIO_printf(out, "%*sPolicy Text: %s\n", indent, "",
	73	pci->proxyPolicy->policy->data);
	74	return 1;
	75	}
6951c23a RL	76
6951c23a RL	77	static int process_pci_value(CONF_VALUE *val,
0f113f3e MC	78	ASN1_OBJECT language, ASN1_INTEGER pathlen,
	79	ASN1_OCTET_STRING **policy)
	80	{
	81	int free_policy = 0;
6951c23a	82
0f113f3e MC	83	if (strcmp(val->name, "language") == 0) {
	84	if (*language) {
	85	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	86	X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED);
	87	X509V3_conf_err(val);
	88	return 0;
	89	}
75ebbd9a	90	if ((*language = OBJ_txt2obj(val->value, 0)) == NULL) {
0f113f3e MC	91	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	92	X509V3_R_INVALID_OBJECT_IDENTIFIER);
	93	X509V3_conf_err(val);
	94	return 0;
	95	}
	96	} else if (strcmp(val->name, "pathlen") == 0) {
	97	if (*pathlen) {
	98	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	99	X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED);
	100	X509V3_conf_err(val);
	101	return 0;
	102	}
	103	if (!X509V3_get_value_int(val, pathlen)) {
	104	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	105	X509V3_R_POLICY_PATH_LENGTH);
	106	X509V3_conf_err(val);
	107	return 0;
	108	}
	109	} else if (strcmp(val->name, "policy") == 0) {
	110	unsigned char *tmp_data = NULL;
	111	long val_len;
	112	if (!*policy) {
	113	*policy = ASN1_OCTET_STRING_new();
90945fa3	114	if (*policy == NULL) {
0f113f3e MC	115	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
	116	X509V3_conf_err(val);
	117	return 0;
	118	}
	119	free_policy = 1;
	120	}
	121	if (strncmp(val->value, "hex:", 4) == 0) {
	122	unsigned char *tmp_data2 =
	123	string_to_hex(val->value + 4, &val_len);
6951c23a	124
0f113f3e MC	125	if (!tmp_data2) {
	126	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	127	X509V3_R_ILLEGAL_HEX_DIGIT);
	128	X509V3_conf_err(val);
	129	goto err;
	130	}
6951c23a	131
0f113f3e MC	132	tmp_data = OPENSSL_realloc((*policy)->data,
	133	(*policy)->length + val_len + 1);
	134	if (tmp_data) {
	135	(*policy)->data = tmp_data;
	136	memcpy(&(policy)->data[(policy)->length],
	137	tmp_data2, val_len);
	138	(*policy)->length += val_len;
	139	(policy)->data[(policy)->length] = '\0';
	140	} else {
	141	OPENSSL_free(tmp_data2);
	142	/*
	143	* realloc failure implies the original data space is b0rked
	144	* too!
	145	*/
	146	OPENSSL_free((*policy)->data);
	147	(*policy)->data = NULL;
	148	(*policy)->length = 0;
	149	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
	150	X509V3_conf_err(val);
	151	goto err;
	152	}
	153	OPENSSL_free(tmp_data2);
	154	} else if (strncmp(val->value, "file:", 5) == 0) {
	155	unsigned char buf[2048];
	156	int n;
	157	BIO *b = BIO_new_file(val->value + 5, "r");
	158	if (!b) {
	159	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB);
	160	X509V3_conf_err(val);
	161	goto err;
	162	}
	163	while ((n = BIO_read(b, buf, sizeof(buf))) > 0
	164	\|\| (n == 0 && BIO_should_retry(b))) {
	165	if (!n)
	166	continue;
6951c23a	167
0f113f3e MC	168	tmp_data = OPENSSL_realloc((*policy)->data,
0f113f3e MC	169	(*policy)->length + n + 1);
6951c23a	170
0f113f3e MC	171	if (!tmp_data) {
	172	OPENSSL_free((*policy)->data);
	173	(*policy)->data = NULL;
	174	(*policy)->length = 0;
	175	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	176	ERR_R_MALLOC_FAILURE);
	177	X509V3_conf_err(val);
	178	BIO_free_all(b);
	179	goto err;
	180	}
6951c23a	181
0f113f3e MC	182	(*policy)->data = tmp_data;
	183	memcpy(&(policy)->data[(policy)->length], buf, n);
	184	(*policy)->length += n;
	185	(policy)->data[(policy)->length] = '\0';
	186	}
	187	BIO_free_all(b);
6951c23a	188
0f113f3e MC	189	if (n < 0) {
	190	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB);
	191	X509V3_conf_err(val);
	192	goto err;
	193	}
	194	} else if (strncmp(val->value, "text:", 5) == 0) {
	195	val_len = strlen(val->value + 5);
	196	tmp_data = OPENSSL_realloc((*policy)->data,
	197	(*policy)->length + val_len + 1);
	198	if (tmp_data) {
	199	(*policy)->data = tmp_data;
	200	memcpy(&(policy)->data[(policy)->length],
	201	val->value + 5, val_len);
	202	(*policy)->length += val_len;
	203	(policy)->data[(policy)->length] = '\0';
	204	} else {
	205	/*
	206	* realloc failure implies the original data space is b0rked
	207	* too!
	208	*/
	209	OPENSSL_free((*policy)->data);
	210	(*policy)->data = NULL;
	211	(*policy)->length = 0;
	212	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
	213	X509V3_conf_err(val);
	214	goto err;
	215	}
	216	} else {
	217	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
	218	X509V3_R_INCORRECT_POLICY_SYNTAX_TAG);
	219	X509V3_conf_err(val);
	220	goto err;
	221	}
	222	if (!tmp_data) {
	223	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
	224	X509V3_conf_err(val);
	225	goto err;
	226	}
	227	}
	228	return 1;
	229	err:
	230	if (free_policy) {
	231	ASN1_OCTET_STRING_free(*policy);
	232	*policy = NULL;
	233	}
	234	return 0;
	235	}
6951c23a RL	236
6951c23a RL	237	static PROXY_CERT_INFO_EXTENSION r2i_pci(X509V3_EXT_METHOD method,
0f113f3e MC	238	X509V3_CTX ctx, char value)
	239	{
	240	PROXY_CERT_INFO_EXTENSION *pci = NULL;
	241	STACK_OF(CONF_VALUE) *vals;
	242	ASN1_OBJECT *language = NULL;
	243	ASN1_INTEGER *pathlen = NULL;
	244	ASN1_OCTET_STRING *policy = NULL;
	245	int i, j;
6951c23a	246
0f113f3e MC	247	vals = X509V3_parse_list(value);
	248	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
	249	CONF_VALUE *cnf = sk_CONF_VALUE_value(vals, i);
	250	if (!cnf->name \|\| (*cnf->name != '@' && !cnf->value)) {
	251	X509V3err(X509V3_F_R2I_PCI,
	252	X509V3_R_INVALID_PROXY_POLICY_SETTING);
	253	X509V3_conf_err(cnf);
	254	goto err;
	255	}
	256	if (*cnf->name == '@') {
	257	STACK_OF(CONF_VALUE) *sect;
	258	int success_p = 1;
6951c23a	259
0f113f3e MC	260	sect = X509V3_get_section(ctx, cnf->name + 1);
	261	if (!sect) {
	262	X509V3err(X509V3_F_R2I_PCI, X509V3_R_INVALID_SECTION);
	263	X509V3_conf_err(cnf);
	264	goto err;
	265	}
	266	for (j = 0; success_p && j < sk_CONF_VALUE_num(sect); j++) {
	267	success_p =
	268	process_pci_value(sk_CONF_VALUE_value(sect, j),
	269	&language, &pathlen, &policy);
	270	}
	271	X509V3_section_free(ctx, sect);
	272	if (!success_p)
	273	goto err;
	274	} else {
	275	if (!process_pci_value(cnf, &language, &pathlen, &policy)) {
	276	X509V3_conf_err(cnf);
	277	goto err;
	278	}
	279	}
	280	}
6951c23a	281
0f113f3e MC	282	/* Language is mandatory */
	283	if (!language) {
	284	X509V3err(X509V3_F_R2I_PCI,
	285	X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED);
	286	goto err;
	287	}
	288	i = OBJ_obj2nid(language);
	289	if ((i == NID_Independent \|\| i == NID_id_ppl_inheritAll) && policy) {
	290	X509V3err(X509V3_F_R2I_PCI,
	291	X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY);
	292	goto err;
	293	}
6951c23a	294
0f113f3e	295	pci = PROXY_CERT_INFO_EXTENSION_new();
90945fa3	296	if (pci == NULL) {
0f113f3e MC	297	X509V3err(X509V3_F_R2I_PCI, ERR_R_MALLOC_FAILURE);
	298	goto err;
	299	}
6951c23a	300
0f113f3e MC	301	pci->proxyPolicy->policyLanguage = language;
	302	language = NULL;
	303	pci->proxyPolicy->policy = policy;
	304	policy = NULL;
	305	pci->pcPathLengthConstraint = pathlen;
	306	pathlen = NULL;
	307	goto end;
	308	err:
0dfb9398	309	ASN1_OBJECT_free(language);
2ace7450 RS	310	ASN1_INTEGER_free(pathlen);
	311	pathlen = NULL;
	312	ASN1_OCTET_STRING_free(policy);
	313	policy = NULL;
	314	PROXY_CERT_INFO_EXTENSION_free(pci);
	315	pci = NULL;
0f113f3e MC	316	end:
	317	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
	318	return pci;
	319	}