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d02b48c6 | 1 | /* crypto/x509/x509_req.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
8 | * | |
9 | * This library is free for commercial and non-commercial use as long as | |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 | * | |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
52 | * | |
53 | * The licence and distribution terms for any publically available version or | |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include "cryptlib.h" | |
ec577822 BM |
61 | #include <openssl/bn.h> |
62 | #include <openssl/evp.h> | |
63 | #include <openssl/asn1.h> | |
64 | #include <openssl/x509.h> | |
65 | #include <openssl/objects.h> | |
66 | #include <openssl/buffer.h> | |
67 | #include <openssl/pem.h> | |
d02b48c6 | 68 | |
9868232a | 69 | X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md) |
d02b48c6 RE |
70 | { |
71 | X509_REQ *ret; | |
72 | X509_REQ_INFO *ri; | |
73 | int i; | |
10061c7c | 74 | EVP_PKEY *pktmp; |
d02b48c6 RE |
75 | |
76 | ret=X509_REQ_new(); | |
77 | if (ret == NULL) | |
78 | { | |
79 | X509err(X509_F_X509_TO_X509_REQ,ERR_R_MALLOC_FAILURE); | |
80 | goto err; | |
81 | } | |
82 | ||
83 | ri=ret->req_info; | |
84 | ||
85 | ri->version->length=1; | |
86 | ri->version->data=(unsigned char *)Malloc(1); | |
87 | if (ri->version->data == NULL) goto err; | |
88 | ri->version->data[0]=0; /* version == 0 */ | |
89 | ||
90 | if (!X509_REQ_set_subject_name(ret,X509_get_subject_name(x))) | |
91 | goto err; | |
92 | ||
10061c7c DSH |
93 | pktmp = X509_get_pubkey(x); |
94 | i=X509_REQ_set_pubkey(ret,pktmp); | |
95 | EVP_PKEY_free(pktmp); | |
d02b48c6 RE |
96 | if (!i) goto err; |
97 | ||
58964a49 RE |
98 | if (pkey != NULL) |
99 | { | |
100 | if (!X509_REQ_sign(ret,pkey,md)) | |
101 | goto err; | |
102 | } | |
d02b48c6 RE |
103 | return(ret); |
104 | err: | |
105 | X509_REQ_free(ret); | |
106 | return(NULL); | |
107 | } | |
108 | ||
6b691a5c | 109 | EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req) |
d02b48c6 | 110 | { |
58964a49 RE |
111 | if ((req == NULL) || (req->req_info == NULL)) |
112 | return(NULL); | |
d02b48c6 RE |
113 | return(X509_PUBKEY_get(req->req_info->pubkey)); |
114 | } | |
115 | ||
87c49f62 DSH |
116 | /* It seems several organisations had the same idea of including a list of |
117 | * extensions in a certificate request. There are at least two OIDs that are | |
118 | * used and there may be more: so the list is configurable. | |
119 | */ | |
120 | ||
121 | static int ext_nid_list[] = { NID_ms_ext_req, NID_ext_req, NID_undef}; | |
122 | ||
123 | static int *ext_nids = ext_nid_list; | |
124 | ||
125 | int X509_REQ_extension_nid(int req_nid) | |
126 | { | |
127 | int i, nid; | |
128 | for(i = 0; ; i++) { | |
129 | nid = ext_nids[i]; | |
130 | if(nid == NID_undef) return 0; | |
131 | else if (req_nid == nid) return 1; | |
132 | } | |
133 | } | |
134 | ||
135 | int *X509_REQ_get_extesion_nids(void) | |
136 | { | |
137 | return ext_nids; | |
138 | } | |
139 | ||
140 | void X509_REQ_set_extension_nids(int *nids) | |
141 | { | |
142 | ext_nids = nids; | |
143 | } | |
144 | ||
145 | STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req) | |
146 | { | |
147 | X509_ATTRIBUTE *attr; | |
148 | STACK_OF(X509_ATTRIBUTE) *sk; | |
149 | ASN1_TYPE *ext = NULL; | |
150 | int i; | |
151 | unsigned char *p; | |
152 | if ((req == NULL) || (req->req_info == NULL)) | |
153 | return(NULL); | |
154 | sk=req->req_info->attributes; | |
155 | if (!sk) return NULL; | |
156 | for(i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { | |
157 | attr = sk_X509_ATTRIBUTE_value(sk, i); | |
158 | if(X509_REQ_extension_nid(OBJ_obj2nid(attr->object))) { | |
159 | if(attr->set && sk_ASN1_TYPE_num(attr->value.set)) | |
160 | ext = sk_ASN1_TYPE_value(attr->value.set, 0); | |
161 | else ext = attr->value.single; | |
162 | break; | |
163 | } | |
164 | } | |
165 | if(!ext || (ext->type != V_ASN1_SEQUENCE)) return NULL; | |
166 | p = ext->value.sequence->data; | |
167 | return d2i_ASN1_SET_OF_X509_EXTENSION(NULL, &p, | |
168 | ext->value.sequence->length, | |
169 | d2i_X509_EXTENSION, X509_EXTENSION_free, | |
170 | V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL); | |
171 | } | |
fd520577 DSH |
172 | |
173 | /* Add a STACK_OF extensions to a certificate request: allow alternative OIDs | |
174 | * in case we want to create a non standard one. | |
175 | */ | |
176 | ||
177 | int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts, | |
178 | int nid) | |
179 | { | |
180 | unsigned char *p = NULL, *q; | |
181 | long len; | |
182 | ASN1_TYPE *at = NULL; | |
183 | X509_ATTRIBUTE *attr = NULL; | |
184 | if(!(at = ASN1_TYPE_new()) || | |
185 | !(at->value.sequence = ASN1_STRING_new())) goto err; | |
186 | ||
187 | at->type = V_ASN1_SEQUENCE; | |
188 | /* Generate encoding of extensions */ | |
189 | len = i2d_ASN1_SET_OF_X509_EXTENSION(exts, NULL, i2d_X509_EXTENSION, | |
190 | V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE); | |
191 | if(!(p = Malloc(len))) goto err; | |
192 | q = p; | |
193 | i2d_ASN1_SET_OF_X509_EXTENSION(exts, &q, i2d_X509_EXTENSION, | |
194 | V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE); | |
195 | at->value.sequence->data = p; | |
196 | p = NULL; | |
197 | at->value.sequence->length = len; | |
198 | if(!(attr = X509_ATTRIBUTE_new())) goto err; | |
199 | if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err; | |
200 | if(!sk_ASN1_TYPE_push(attr->value.set, at)) goto err; | |
201 | at = NULL; | |
202 | attr->set = 1; | |
203 | attr->object = OBJ_nid2obj(nid); | |
204 | if(!sk_X509_ATTRIBUTE_push(req->req_info->attributes, attr)) goto err; | |
205 | return 1; | |
206 | err: | |
207 | if(p) Free(p); | |
208 | X509_ATTRIBUTE_free(attr); | |
209 | ASN1_TYPE_free(at); | |
210 | return 0; | |
211 | } | |
212 | /* This is the normal usage: use the "official" OID */ | |
213 | int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts) | |
214 | { | |
215 | return X509_REQ_add_extensions_nid(req, exts, NID_ext_req); | |
216 | } | |
77b47b90 DSH |
217 | |
218 | /* Request attribute functions */ | |
219 | ||
220 | int X509_REQ_get_attr_count(const X509_REQ *req) | |
221 | { | |
222 | return X509at_get_attr_count(req->req_info->attributes); | |
223 | } | |
224 | ||
225 | int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, | |
226 | int lastpos) | |
227 | { | |
228 | return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos); | |
229 | } | |
230 | ||
231 | int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj, | |
232 | int lastpos) | |
233 | { | |
234 | return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos); | |
235 | } | |
236 | ||
237 | X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc) | |
238 | { | |
239 | return X509at_get_attr(req->req_info->attributes, loc); | |
240 | } | |
241 | ||
242 | X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc) | |
243 | { | |
244 | return X509at_delete_attr(req->req_info->attributes, loc); | |
245 | } | |
246 | ||
247 | int X509_REQ_radd_attr(X509_REQ *req, X509_ATTRIBUTE *attr) | |
248 | { | |
249 | if(X509at_radd_attr(&req->req_info->attributes, attr)) return 1; | |
250 | return 0; | |
251 | } | |
252 | ||
253 | int X509_REQ_radd_attr_by_OBJ(X509_REQ *req, | |
254 | ASN1_OBJECT *obj, int type, | |
255 | unsigned char *bytes, int len) | |
256 | { | |
257 | if(X509at_radd_attr_by_OBJ(&req->req_info->attributes, obj, | |
258 | type, bytes, len)) return 1; | |
259 | return 0; | |
260 | } | |
261 | ||
262 | int X509_REQ_radd_attr_by_NID(X509_REQ *req, | |
263 | int nid, int type, | |
264 | unsigned char *bytes, int len) | |
265 | { | |
266 | if(X509at_radd_attr_by_NID(&req->req_info->attributes, nid, | |
267 | type, bytes, len)) return 1; | |
268 | return 0; | |
269 | } | |
270 | ||
271 | int X509_REQ_radd_attr_by_txt(X509_REQ *req, | |
272 | char *attrname, int type, | |
273 | unsigned char *bytes, int len) | |
274 | { | |
275 | if(X509at_radd_attr_by_txt(&req->req_info->attributes, attrname, | |
276 | type, bytes, len)) return 1; | |
277 | return 0; | |
278 | } |