1 /* v3_pci.c -*- mode:C; c-file-style: "eay" -*- */
2 /* Contributed to the OpenSSL Project 2004
3 * by Richard Levitte (richard@levitte.org)
5 /* Copyright (c) 2004 Kungliga Tekniska Högskolan
6 * (Royal Institute of Technology, Stockholm, Sweden).
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the Institute nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 #include <openssl/conf.h>
40 #include <openssl/x509v3.h>
42 static int i2r_pci(X509V3_EXT_METHOD
*method
, PROXY_CERT_INFO_EXTENSION
*ext
,
43 BIO
*out
, int indent
);
44 static PROXY_CERT_INFO_EXTENSION
*r2i_pci(X509V3_EXT_METHOD
*method
,
45 X509V3_CTX
*ctx
, char *str
);
47 X509V3_EXT_METHOD v3_pci
=
48 { NID_proxyCertInfo
, 0, ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION
),
52 (X509V3_EXT_I2R
)i2r_pci
,
53 (X509V3_EXT_R2I
)r2i_pci
,
57 static int i2r_pci(X509V3_EXT_METHOD
*method
, PROXY_CERT_INFO_EXTENSION
*pci
,
60 BIO_printf(out
, "%*sPath Length Constraint: ", indent
, "");
61 if (pci
->pcPathLengthConstraint
)
62 i2a_ASN1_INTEGER(out
, pci
->pcPathLengthConstraint
);
64 BIO_printf(out
, "infinite");
66 BIO_printf(out
, "%*sPolicy Language: ", indent
, "");
67 i2a_ASN1_OBJECT(out
, pci
->proxyPolicy
->policyLanguage
);
69 if (pci
->proxyPolicy
->policy
&& pci
->proxyPolicy
->policy
->data
)
70 BIO_printf(out
, "%*sPolicy Text: %s\n", indent
, "",
71 pci
->proxyPolicy
->policy
->data
);
75 static int process_pci_value(CONF_VALUE
*val
,
76 ASN1_OBJECT
**language
, ASN1_INTEGER
**pathlen
,
77 ASN1_OCTET_STRING
**policy
)
81 if (strcmp(val
->name
, "language") == 0)
85 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,X509V3_R_POLICY_LANGUAGE_ALREADTY_DEFINED
);
89 if (!(*language
= OBJ_txt2obj(val
->value
, 0)))
91 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,X509V3_R_INVALID_OBJECT_IDENTIFIER
);
96 else if (strcmp(val
->name
, "pathlen") == 0)
100 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,X509V3_R_POLICY_PATH_LENGTH_ALREADTY_DEFINED
);
101 X509V3_conf_err(val
);
104 if (!X509V3_get_value_int(val
, pathlen
))
106 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,X509V3_R_POLICY_PATH_LENGTH
);
107 X509V3_conf_err(val
);
111 else if (strcmp(val
->name
, "policy") == 0)
113 unsigned char *tmp_data
= NULL
;
117 *policy
= ASN1_OCTET_STRING_new();
120 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,ERR_R_MALLOC_FAILURE
);
121 X509V3_conf_err(val
);
126 if (strncmp(val
->value
, "hex:", 4) == 0)
128 unsigned char *tmp_data2
=
129 string_to_hex(val
->value
+ 4, &val_len
);
131 if (!tmp_data2
) goto err
;
133 tmp_data
= OPENSSL_realloc((*policy
)->data
,
134 (*policy
)->length
+ val_len
+ 1);
137 (*policy
)->data
= tmp_data
;
138 memcpy(&(*policy
)->data
[(*policy
)->length
],
140 (*policy
)->length
+= val_len
;
141 (*policy
)->data
[(*policy
)->length
] = '\0';
144 else if (strncmp(val
->value
, "file:", 5) == 0)
146 unsigned char buf
[2048];
148 BIO
*b
= BIO_new_file(val
->value
+ 5, "r");
151 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,ERR_R_BIO_LIB
);
152 X509V3_conf_err(val
);
155 while((n
= BIO_read(b
, buf
, sizeof(buf
))) > 0
156 || (n
== 0 && BIO_should_retry(b
)))
160 tmp_data
= OPENSSL_realloc((*policy
)->data
,
161 (*policy
)->length
+ n
+ 1);
166 (*policy
)->data
= tmp_data
;
167 memcpy(&(*policy
)->data
[(*policy
)->length
],
169 (*policy
)->length
+= n
;
170 (*policy
)->data
[(*policy
)->length
] = '\0';
175 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,ERR_R_BIO_LIB
);
176 X509V3_conf_err(val
);
180 else if (strncmp(val
->value
, "text:", 5) == 0)
182 val_len
= strlen(val
->value
+ 5);
183 tmp_data
= OPENSSL_realloc((*policy
)->data
,
184 (*policy
)->length
+ val_len
+ 1);
187 (*policy
)->data
= tmp_data
;
188 memcpy(&(*policy
)->data
[(*policy
)->length
],
189 val
->value
+ 5, val_len
);
190 (*policy
)->length
+= val_len
;
191 (*policy
)->data
[(*policy
)->length
] = '\0';
196 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,X509V3_R_INCORRECT_POLICY_SYNTAX_TAG
);
197 X509V3_conf_err(val
);
202 X509V3err(X509V3_F_PROCESS_PCI_VALUE
,ERR_R_MALLOC_FAILURE
);
203 X509V3_conf_err(val
);
211 ASN1_OCTET_STRING_free(*policy
);
217 static PROXY_CERT_INFO_EXTENSION
*r2i_pci(X509V3_EXT_METHOD
*method
,
218 X509V3_CTX
*ctx
, char *value
)
220 PROXY_CERT_INFO_EXTENSION
*pci
= NULL
;
221 STACK_OF(CONF_VALUE
) *vals
;
222 ASN1_OBJECT
*language
= NULL
;
223 ASN1_INTEGER
*pathlen
= NULL
;
224 ASN1_OCTET_STRING
*policy
= NULL
;
227 vals
= X509V3_parse_list(value
);
228 for (i
= 0; i
< sk_CONF_VALUE_num(vals
); i
++)
230 CONF_VALUE
*cnf
= sk_CONF_VALUE_value(vals
, i
);
231 if (!cnf
->name
|| (*cnf
->name
!= '@' && !cnf
->value
))
233 X509V3err(X509V3_F_R2I_PCI
,X509V3_R_INVALID_PROXY_POLICY_SETTING
);
234 X509V3_conf_err(cnf
);
237 if (*cnf
->name
== '@')
239 STACK_OF(CONF_VALUE
) *sect
;
242 sect
= X509V3_get_section(ctx
, cnf
->name
+ 1);
245 X509V3err(X509V3_F_R2I_PCI
,X509V3_R_INVALID_SECTION
);
246 X509V3_conf_err(cnf
);
249 for (j
= 0; success_p
&& j
< sk_CONF_VALUE_num(sect
); j
++)
252 process_pci_value(sk_CONF_VALUE_value(sect
, j
),
253 &language
, &pathlen
, &policy
);
255 X509V3_section_free(ctx
, sect
);
261 if (!process_pci_value(cnf
,
262 &language
, &pathlen
, &policy
))
264 X509V3_conf_err(cnf
);
270 /* Language is mandatory */
273 X509V3err(X509V3_F_R2I_PCI
,X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED
);
276 i
= OBJ_obj2nid(language
);
277 if ((i
== NID_Independent
|| i
== NID_id_ppl_inheritAll
) && policy
)
279 X509V3err(X509V3_F_R2I_PCI
,X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY
);
283 pci
= PROXY_CERT_INFO_EXTENSION_new();
286 X509V3err(X509V3_F_R2I_PCI
,ERR_R_MALLOC_FAILURE
);
289 pci
->proxyPolicy
= PROXY_POLICY_new();
290 if (!pci
->proxyPolicy
)
292 X509V3err(X509V3_F_R2I_PCI
,ERR_R_MALLOC_FAILURE
);
296 pci
->proxyPolicy
->policyLanguage
= language
; language
= NULL
;
297 pci
->proxyPolicy
->policy
= policy
; policy
= NULL
;
298 pci
->pcPathLengthConstraint
= pathlen
; pathlen
= NULL
;
301 if (language
) { ASN1_OBJECT_free(language
); language
= NULL
; }
302 if (pathlen
) { ASN1_INTEGER_free(pathlen
); pathlen
= NULL
; }
303 if (policy
) { ASN1_OCTET_STRING_free(policy
); policy
= NULL
; }
304 if (pci
&& pci
->proxyPolicy
)
306 PROXY_POLICY_free(pci
->proxyPolicy
);
307 pci
->proxyPolicy
= NULL
;
309 if (pci
) { PROXY_CERT_INFO_EXTENSION_free(pci
); pci
= NULL
; }
311 sk_CONF_VALUE_pop_free(vals
, X509V3_conf_free
);