/src/openssl111/crypto/x509v3/v3_pci.c

Source (jump to first uncovered line)
/*
 * Copyright 2004-2021 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
 */

/*
 * 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);
    BIO_puts(out, "\n");
    if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data)
        BIO_printf(out, "%*sPolicy Text: %.*s\n", indent, "",
                   pci->proxyPolicy->policy->length,
                   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;
}

Coverage Report

Created: 2023-09-25 06:41

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the OpenSSL license (the "License"). You may not use
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
8		*/
9
10		/*
11		* This file is dual-licensed and is also available under the following
12		* terms:
13		*
14		* Copyright (c) 2004 Kungliga Tekniska Högskolan
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>
47		#include "internal/cryptlib.h"
48		#include <openssl/conf.h>
49		#include <openssl/x509v3.h>
50		#include "ext_dat.h"
51
52		static int i2r_pci(X509V3_EXT_METHOD method, PROXY_CERT_INFO_EXTENSION ext,
53		BIO *out, int indent);
54		static PROXY_CERT_INFO_EXTENSION r2i_pci(X509V3_EXT_METHOD method,
55		X509V3_CTX ctx, char str);
56
57		const X509V3_EXT_METHOD v3_pci =
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		};
66
67		static int i2r_pci(X509V3_EXT_METHOD method, PROXY_CERT_INFO_EXTENSION pci,
68		BIO *out, int indent)
69	0	{
70	0	BIO_printf(out, "%*sPath Length Constraint: ", indent, "");
71	0	if (pci->pcPathLengthConstraint)
72	0	i2a_ASN1_INTEGER(out, pci->pcPathLengthConstraint);
73	0	else
74	0	BIO_printf(out, "infinite");
75	0	BIO_puts(out, "\n");
76	0	BIO_printf(out, "%*sPolicy Language: ", indent, "");
77	0	i2a_ASN1_OBJECT(out, pci->proxyPolicy->policyLanguage);
78	0	BIO_puts(out, "\n");
79	0	if (pci->proxyPolicy->policy && pci->proxyPolicy->policy->data)
80	0	BIO_printf(out, "%sPolicy Text: %.s\n", indent, "",
81	0	pci->proxyPolicy->policy->length,
82	0	pci->proxyPolicy->policy->data);
83	0	return 1;
84	0	}
85
86		static int process_pci_value(CONF_VALUE *val,
87		ASN1_OBJECT language, ASN1_INTEGER pathlen,
88		ASN1_OCTET_STRING **policy)
89	0	{
90	0	int free_policy = 0;
91
92	0	if (strcmp(val->name, "language") == 0) {
93	0	if (*language) {
94	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
95	0	X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED);
96	0	X509V3_conf_err(val);
97	0	return 0;
98	0	}
99	0	if ((*language = OBJ_txt2obj(val->value, 0)) == NULL) {
100	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
101	0	X509V3_R_INVALID_OBJECT_IDENTIFIER);
102	0	X509V3_conf_err(val);
103	0	return 0;
104	0	}
105	0	} else if (strcmp(val->name, "pathlen") == 0) {
106	0	if (*pathlen) {
107	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
108	0	X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED);
109	0	X509V3_conf_err(val);
110	0	return 0;
111	0	}
112	0	if (!X509V3_get_value_int(val, pathlen)) {
113	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
114	0	X509V3_R_POLICY_PATH_LENGTH);
115	0	X509V3_conf_err(val);
116	0	return 0;
117	0	}
118	0	} else if (strcmp(val->name, "policy") == 0) {
119	0	unsigned char *tmp_data = NULL;
120	0	long val_len;
121	0	if (!*policy) {
122	0	*policy = ASN1_OCTET_STRING_new();
123	0	if (*policy == NULL) {
124	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
125	0	X509V3_conf_err(val);
126	0	return 0;
127	0	}
128	0	free_policy = 1;
129	0	}
130	0	if (strncmp(val->value, "hex:", 4) == 0) {
131	0	unsigned char *tmp_data2 =
132	0	OPENSSL_hexstr2buf(val->value + 4, &val_len);
133
134	0	if (!tmp_data2) {
135	0	X509V3_conf_err(val);
136	0	goto err;
137	0	}
138
139	0	tmp_data = OPENSSL_realloc((*policy)->data,
140	0	(*policy)->length + val_len + 1);
141	0	if (tmp_data) {
142	0	(*policy)->data = tmp_data;
143	0	memcpy(&(policy)->data[(policy)->length],
144	0	tmp_data2, val_len);
145	0	(*policy)->length += val_len;
146	0	(policy)->data[(policy)->length] = '\0';
147	0	} else {
148	0	OPENSSL_free(tmp_data2);
149		/*
150		* realloc failure implies the original data space is b0rked
151		* too!
152		*/
153	0	OPENSSL_free((*policy)->data);
154	0	(*policy)->data = NULL;
155	0	(*policy)->length = 0;
156	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
157	0	X509V3_conf_err(val);
158	0	goto err;
159	0	}
160	0	OPENSSL_free(tmp_data2);
161	0	} else if (strncmp(val->value, "file:", 5) == 0) {
162	0	unsigned char buf[2048];
163	0	int n;
164	0	BIO *b = BIO_new_file(val->value + 5, "r");
165	0	if (!b) {
166	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB);
167	0	X509V3_conf_err(val);
168	0	goto err;
169	0	}
170	0	while ((n = BIO_read(b, buf, sizeof(buf))) > 0
171	0	\|\| (n == 0 && BIO_should_retry(b))) {
172	0	if (!n)
173	0	continue;
174
175	0	tmp_data = OPENSSL_realloc((*policy)->data,
176	0	(*policy)->length + n + 1);
177
178	0	if (!tmp_data) {
179	0	OPENSSL_free((*policy)->data);
180	0	(*policy)->data = NULL;
181	0	(*policy)->length = 0;
182	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
183	0	ERR_R_MALLOC_FAILURE);
184	0	X509V3_conf_err(val);
185	0	BIO_free_all(b);
186	0	goto err;
187	0	}
188
189	0	(*policy)->data = tmp_data;
190	0	memcpy(&(policy)->data[(policy)->length], buf, n);
191	0	(*policy)->length += n;
192	0	(policy)->data[(policy)->length] = '\0';
193	0	}
194	0	BIO_free_all(b);
195
196	0	if (n < 0) {
197	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_BIO_LIB);
198	0	X509V3_conf_err(val);
199	0	goto err;
200	0	}
201	0	} else if (strncmp(val->value, "text:", 5) == 0) {
202	0	val_len = strlen(val->value + 5);
203	0	tmp_data = OPENSSL_realloc((*policy)->data,
204	0	(*policy)->length + val_len + 1);
205	0	if (tmp_data) {
206	0	(*policy)->data = tmp_data;
207	0	memcpy(&(policy)->data[(policy)->length],
208	0	val->value + 5, val_len);
209	0	(*policy)->length += val_len;
210	0	(policy)->data[(policy)->length] = '\0';
211	0	} else {
212		/*
213		* realloc failure implies the original data space is b0rked
214		* too!
215		*/
216	0	OPENSSL_free((*policy)->data);
217	0	(*policy)->data = NULL;
218	0	(*policy)->length = 0;
219	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
220	0	X509V3_conf_err(val);
221	0	goto err;
222	0	}
223	0	} else {
224	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE,
225	0	X509V3_R_INCORRECT_POLICY_SYNTAX_TAG);
226	0	X509V3_conf_err(val);
227	0	goto err;
228	0	}
229	0	if (!tmp_data) {
230	0	X509V3err(X509V3_F_PROCESS_PCI_VALUE, ERR_R_MALLOC_FAILURE);
231	0	X509V3_conf_err(val);
232	0	goto err;
233	0	}
234	0	}
235	0	return 1;
236	0	err:
237	0	if (free_policy) {
238	0	ASN1_OCTET_STRING_free(*policy);
239	0	*policy = NULL;
240	0	}
241	0	return 0;
242	0	}
243
244		static PROXY_CERT_INFO_EXTENSION r2i_pci(X509V3_EXT_METHOD method,
245		X509V3_CTX ctx, char value)
246	0	{
247	0	PROXY_CERT_INFO_EXTENSION *pci = NULL;
248	0	STACK_OF(CONF_VALUE) *vals;
249	0	ASN1_OBJECT *language = NULL;
250	0	ASN1_INTEGER *pathlen = NULL;
251	0	ASN1_OCTET_STRING *policy = NULL;
252	0	int i, j;
253
254	0	vals = X509V3_parse_list(value);
255	0	for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
256	0	CONF_VALUE *cnf = sk_CONF_VALUE_value(vals, i);
257	0	if (!cnf->name \|\| (*cnf->name != '@' && !cnf->value)) {
258	0	X509V3err(X509V3_F_R2I_PCI,
259	0	X509V3_R_INVALID_PROXY_POLICY_SETTING);
260	0	X509V3_conf_err(cnf);
261	0	goto err;
262	0	}
263	0	if (*cnf->name == '@') {
264	0	STACK_OF(CONF_VALUE) *sect;
265	0	int success_p = 1;
266
267	0	sect = X509V3_get_section(ctx, cnf->name + 1);
268	0	if (!sect) {
269	0	X509V3err(X509V3_F_R2I_PCI, X509V3_R_INVALID_SECTION);
270	0	X509V3_conf_err(cnf);
271	0	goto err;
272	0	}
273	0	for (j = 0; success_p && j < sk_CONF_VALUE_num(sect); j++) {
274	0	success_p =
275	0	process_pci_value(sk_CONF_VALUE_value(sect, j),
276	0	&language, &pathlen, &policy);
277	0	}
278	0	X509V3_section_free(ctx, sect);
279	0	if (!success_p)
280	0	goto err;
281	0	} else {
282	0	if (!process_pci_value(cnf, &language, &pathlen, &policy)) {
283	0	X509V3_conf_err(cnf);
284	0	goto err;
285	0	}
286	0	}
287	0	}
288
289		/* Language is mandatory */
290	0	if (!language) {
291	0	X509V3err(X509V3_F_R2I_PCI,
292	0	X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED);
293	0	goto err;
294	0	}
295	0	i = OBJ_obj2nid(language);
296	0	if ((i == NID_Independent \|\| i == NID_id_ppl_inheritAll) && policy) {
297	0	X509V3err(X509V3_F_R2I_PCI,
298	0	X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY);
299	0	goto err;
300	0	}
301
302	0	pci = PROXY_CERT_INFO_EXTENSION_new();
303	0	if (pci == NULL) {
304	0	X509V3err(X509V3_F_R2I_PCI, ERR_R_MALLOC_FAILURE);
305	0	goto err;
306	0	}
307
308	0	pci->proxyPolicy->policyLanguage = language;
309	0	language = NULL;
310	0	pci->proxyPolicy->policy = policy;
311	0	policy = NULL;
312	0	pci->pcPathLengthConstraint = pathlen;
313	0	pathlen = NULL;
314	0	goto end;
315	0	err:
316	0	ASN1_OBJECT_free(language);
317	0	ASN1_INTEGER_free(pathlen);
318	0	pathlen = NULL;
319	0	ASN1_OCTET_STRING_free(policy);
320	0	policy = NULL;
321	0	PROXY_CERT_INFO_EXTENSION_free(pci);
322	0	pci = NULL;
323	0	end:
324	0	sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
325	0	return pci;
326	0	}