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b1322259 | 1 | /* |
b6461792 | 2 | * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
3e4b43b9 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
b1322259 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 | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
ec577822 BM |
12 | #include <openssl/bn.h> |
13 | #include <openssl/evp.h> | |
14 | #include <openssl/asn1.h> | |
3c07d3a3 | 15 | #include <openssl/asn1t.h> |
ec577822 | 16 | #include <openssl/x509.h> |
25f2138b | 17 | #include "crypto/x509.h" |
ec577822 BM |
18 | #include <openssl/objects.h> |
19 | #include <openssl/buffer.h> | |
20 | #include <openssl/pem.h> | |
d02b48c6 | 21 | |
9868232a | 22 | X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md) |
0f113f3e MC |
23 | { |
24 | X509_REQ *ret; | |
25 | X509_REQ_INFO *ri; | |
26 | int i; | |
27 | EVP_PKEY *pktmp; | |
28 | ||
e72dbd8e | 29 | ret = X509_REQ_new_ex(x->libctx, x->propq); |
0f113f3e | 30 | if (ret == NULL) { |
e077455e | 31 | ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB); |
0f113f3e MC |
32 | goto err; |
33 | } | |
34 | ||
95ed0e7c | 35 | ri = &ret->req_info; |
0f113f3e MC |
36 | |
37 | ri->version->length = 1; | |
b196e7d9 | 38 | ri->version->data = OPENSSL_malloc(1); |
0f113f3e MC |
39 | if (ri->version->data == NULL) |
40 | goto err; | |
41 | ri->version->data[0] = 0; /* version == 0 */ | |
42 | ||
43 | if (!X509_REQ_set_subject_name(ret, X509_get_subject_name(x))) | |
44 | goto err; | |
45 | ||
8382fd3a | 46 | pktmp = X509_get0_pubkey(x); |
28a00bcd DSH |
47 | if (pktmp == NULL) |
48 | goto err; | |
0f113f3e | 49 | i = X509_REQ_set_pubkey(ret, pktmp); |
0f113f3e MC |
50 | if (!i) |
51 | goto err; | |
52 | ||
53 | if (pkey != NULL) { | |
54 | if (!X509_REQ_sign(ret, pkey, md)) | |
55 | goto err; | |
56 | } | |
26a7d938 | 57 | return ret; |
0f113f3e MC |
58 | err: |
59 | X509_REQ_free(ret); | |
26a7d938 | 60 | return NULL; |
0f113f3e | 61 | } |
d02b48c6 | 62 | |
6b691a5c | 63 | EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req) |
0f113f3e | 64 | { |
95ed0e7c | 65 | if (req == NULL) |
26a7d938 K |
66 | return NULL; |
67 | return X509_PUBKEY_get(req->req_info.pubkey); | |
0f113f3e | 68 | } |
d02b48c6 | 69 | |
aaabe580 | 70 | EVP_PKEY *X509_REQ_get0_pubkey(const X509_REQ *req) |
97458daa F |
71 | { |
72 | if (req == NULL) | |
73 | return NULL; | |
26a7d938 | 74 | return X509_PUBKEY_get0(req->req_info.pubkey); |
97458daa F |
75 | } |
76 | ||
1f143e08 DSH |
77 | X509_PUBKEY *X509_REQ_get_X509_PUBKEY(X509_REQ *req) |
78 | { | |
79 | return req->req_info.pubkey; | |
80 | } | |
81 | ||
aaabe580 | 82 | int X509_REQ_check_private_key(const X509_REQ *req, EVP_PKEY *pkey) |
0f113f3e | 83 | { |
aaabe580 | 84 | return ossl_x509_check_private_key(X509_REQ_get0_pubkey(req), pkey); |
0f113f3e | 85 | } |
e6526fbf | 86 | |
0f113f3e MC |
87 | /* |
88 | * It seems several organisations had the same idea of including a list of | |
87c49f62 DSH |
89 | * extensions in a certificate request. There are at least two OIDs that are |
90 | * used and there may be more: so the list is configurable. | |
91 | */ | |
92 | ||
0f113f3e | 93 | static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef }; |
87c49f62 DSH |
94 | |
95 | static int *ext_nids = ext_nid_list; | |
96 | ||
97 | int X509_REQ_extension_nid(int req_nid) | |
98 | { | |
0f113f3e | 99 | int i, nid; |
8e39049d | 100 | |
0f113f3e MC |
101 | for (i = 0;; i++) { |
102 | nid = ext_nids[i]; | |
103 | if (nid == NID_undef) | |
104 | return 0; | |
105 | else if (req_nid == nid) | |
106 | return 1; | |
107 | } | |
87c49f62 DSH |
108 | } |
109 | ||
657e60fa | 110 | int *X509_REQ_get_extension_nids(void) |
87c49f62 | 111 | { |
0f113f3e | 112 | return ext_nids; |
87c49f62 | 113 | } |
0f113f3e | 114 | |
87c49f62 DSH |
115 | void X509_REQ_set_extension_nids(int *nids) |
116 | { | |
0f113f3e | 117 | ext_nids = nids; |
87c49f62 DSH |
118 | } |
119 | ||
120 | STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req) | |
0f113f3e MC |
121 | { |
122 | X509_ATTRIBUTE *attr; | |
123 | ASN1_TYPE *ext = NULL; | |
124 | int idx, *pnid; | |
125 | const unsigned char *p; | |
126 | ||
8e39049d | 127 | if (req == NULL || !ext_nids) |
26a7d938 | 128 | return NULL; |
0f113f3e MC |
129 | for (pnid = ext_nids; *pnid != NID_undef; pnid++) { |
130 | idx = X509_REQ_get_attr_by_NID(req, *pnid, -1); | |
ba9e3721 | 131 | if (idx < 0) |
0f113f3e MC |
132 | continue; |
133 | attr = X509_REQ_get_attr(req, idx); | |
9b0a4531 | 134 | ext = X509_ATTRIBUTE_get0_type(attr, 0); |
0f113f3e MC |
135 | break; |
136 | } | |
2039ac07 DDO |
137 | if (ext == NULL) /* no extensions is not an error */ |
138 | return sk_X509_EXTENSION_new_null(); | |
e128eaa0 DDO |
139 | if (ext->type != V_ASN1_SEQUENCE) { |
140 | ERR_raise(ERR_LIB_X509, X509_R_WRONG_TYPE); | |
0f113f3e | 141 | return NULL; |
e128eaa0 | 142 | } |
0f113f3e MC |
143 | p = ext->value.sequence->data; |
144 | return (STACK_OF(X509_EXTENSION) *) | |
145 | ASN1_item_d2i(NULL, &p, ext->value.sequence->length, | |
146 | ASN1_ITEM_rptr(X509_EXTENSIONS)); | |
87c49f62 | 147 | } |
fd520577 | 148 | |
0f113f3e MC |
149 | /* |
150 | * Add a STACK_OF extensions to a certificate request: allow alternative OIDs | |
fd520577 DSH |
151 | * in case we want to create a non standard one. |
152 | */ | |
743975c7 DDO |
153 | int X509_REQ_add_extensions_nid(X509_REQ *req, |
154 | const STACK_OF(X509_EXTENSION) *exts, int nid) | |
fd520577 | 155 | { |
9b0a4531 DSH |
156 | int extlen; |
157 | int rv = 0; | |
158 | unsigned char *ext = NULL; | |
743975c7 | 159 | |
0f113f3e | 160 | /* Generate encoding of extensions */ |
743975c7 | 161 | extlen = ASN1_item_i2d((const ASN1_VALUE *)exts, &ext, |
9b0a4531 DSH |
162 | ASN1_ITEM_rptr(X509_EXTENSIONS)); |
163 | if (extlen <= 0) | |
164 | return 0; | |
165 | rv = X509_REQ_add1_attr_by_NID(req, nid, V_ASN1_SEQUENCE, ext, extlen); | |
166 | OPENSSL_free(ext); | |
167 | return rv; | |
fd520577 | 168 | } |
0f113f3e | 169 | |
fd520577 | 170 | /* This is the normal usage: use the "official" OID */ |
743975c7 | 171 | int X509_REQ_add_extensions(X509_REQ *req, const STACK_OF(X509_EXTENSION) *exts) |
fd520577 | 172 | { |
0f113f3e | 173 | return X509_REQ_add_extensions_nid(req, exts, NID_ext_req); |
fd520577 | 174 | } |
77b47b90 DSH |
175 | |
176 | /* Request attribute functions */ | |
177 | ||
178 | int X509_REQ_get_attr_count(const X509_REQ *req) | |
179 | { | |
95ed0e7c | 180 | return X509at_get_attr_count(req->req_info.attributes); |
77b47b90 DSH |
181 | } |
182 | ||
0f113f3e | 183 | int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos) |
77b47b90 | 184 | { |
95ed0e7c | 185 | return X509at_get_attr_by_NID(req->req_info.attributes, nid, lastpos); |
77b47b90 DSH |
186 | } |
187 | ||
c47ba4e9 | 188 | int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, const ASN1_OBJECT *obj, |
0f113f3e | 189 | int lastpos) |
77b47b90 | 190 | { |
95ed0e7c | 191 | return X509at_get_attr_by_OBJ(req->req_info.attributes, obj, lastpos); |
77b47b90 DSH |
192 | } |
193 | ||
194 | X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc) | |
195 | { | |
95ed0e7c | 196 | return X509at_get_attr(req->req_info.attributes, loc); |
77b47b90 DSH |
197 | } |
198 | ||
199 | X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc) | |
200 | { | |
8e39049d | 201 | X509_ATTRIBUTE *attr; |
39d356e0 | 202 | |
8e39049d DDO |
203 | if (req == NULL) { |
204 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
f1f0731d | 205 | return NULL; |
8e39049d DDO |
206 | } |
207 | attr = X509at_delete_attr(req->req_info.attributes, loc); | |
39d356e0 GG |
208 | if (attr != NULL) |
209 | req->req_info.enc.modified = 1; | |
210 | return attr; | |
77b47b90 DSH |
211 | } |
212 | ||
c7cb16a8 | 213 | int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr) |
77b47b90 | 214 | { |
8e39049d DDO |
215 | if (req == NULL) { |
216 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
217 | return 0; | |
218 | } | |
39d356e0 GG |
219 | if (!X509at_add1_attr(&req->req_info.attributes, attr)) |
220 | return 0; | |
221 | req->req_info.enc.modified = 1; | |
222 | return 1; | |
77b47b90 DSH |
223 | } |
224 | ||
c7cb16a8 | 225 | int X509_REQ_add1_attr_by_OBJ(X509_REQ *req, |
0f113f3e MC |
226 | const ASN1_OBJECT *obj, int type, |
227 | const unsigned char *bytes, int len) | |
77b47b90 | 228 | { |
8e39049d DDO |
229 | if (req == NULL) { |
230 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
231 | return 0; | |
232 | } | |
39d356e0 GG |
233 | if (!X509at_add1_attr_by_OBJ(&req->req_info.attributes, obj, |
234 | type, bytes, len)) | |
235 | return 0; | |
236 | req->req_info.enc.modified = 1; | |
237 | return 1; | |
77b47b90 DSH |
238 | } |
239 | ||
c7cb16a8 | 240 | int X509_REQ_add1_attr_by_NID(X509_REQ *req, |
0f113f3e MC |
241 | int nid, int type, |
242 | const unsigned char *bytes, int len) | |
77b47b90 | 243 | { |
8e39049d DDO |
244 | if (req == NULL) { |
245 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
246 | return 0; | |
247 | } | |
39d356e0 GG |
248 | if (!X509at_add1_attr_by_NID(&req->req_info.attributes, nid, |
249 | type, bytes, len)) | |
250 | return 0; | |
251 | req->req_info.enc.modified = 1; | |
252 | return 1; | |
77b47b90 DSH |
253 | } |
254 | ||
c7cb16a8 | 255 | int X509_REQ_add1_attr_by_txt(X509_REQ *req, |
0f113f3e MC |
256 | const char *attrname, int type, |
257 | const unsigned char *bytes, int len) | |
77b47b90 | 258 | { |
8e39049d DDO |
259 | if (req == NULL) { |
260 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
261 | return 0; | |
262 | } | |
39d356e0 GG |
263 | if (!X509at_add1_attr_by_txt(&req->req_info.attributes, attrname, |
264 | type, bytes, len)) | |
265 | return 0; | |
266 | req->req_info.enc.modified = 1; | |
267 | return 1; | |
77b47b90 | 268 | } |
124055a9 | 269 | |
b26ab17f | 270 | long X509_REQ_get_version(const X509_REQ *req) |
124055a9 | 271 | { |
95ed0e7c | 272 | return ASN1_INTEGER_get(req->req_info.version); |
124055a9 DSH |
273 | } |
274 | ||
b26ab17f | 275 | X509_NAME *X509_REQ_get_subject_name(const X509_REQ *req) |
124055a9 | 276 | { |
95ed0e7c | 277 | return req->req_info.subject; |
124055a9 | 278 | } |
a9732d04 | 279 | |
11222483 DSH |
280 | void X509_REQ_get0_signature(const X509_REQ *req, const ASN1_BIT_STRING **psig, |
281 | const X509_ALGOR **palg) | |
a9732d04 | 282 | { |
75ef61d7 | 283 | if (psig != NULL) |
a9732d04 | 284 | *psig = req->signature; |
75ef61d7 | 285 | if (palg != NULL) |
a9732d04 DSH |
286 | *palg = &req->sig_alg; |
287 | } | |
288 | ||
c72e5934 DWG |
289 | void X509_REQ_set0_signature(X509_REQ *req, ASN1_BIT_STRING *psig) |
290 | { | |
291 | if (req->signature) | |
8e39049d | 292 | ASN1_BIT_STRING_free(req->signature); |
c72e5934 DWG |
293 | req->signature = psig; |
294 | } | |
295 | ||
296 | int X509_REQ_set1_signature_algo(X509_REQ *req, X509_ALGOR *palg) | |
297 | { | |
298 | return X509_ALGOR_copy(&req->sig_alg, palg); | |
299 | } | |
300 | ||
a9732d04 DSH |
301 | int X509_REQ_get_signature_nid(const X509_REQ *req) |
302 | { | |
303 | return OBJ_obj2nid(req->sig_alg.algorithm); | |
304 | } | |
305 | ||
306 | int i2d_re_X509_REQ_tbs(X509_REQ *req, unsigned char **pp) | |
307 | { | |
8e39049d DDO |
308 | if (req == NULL) { |
309 | ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER); | |
310 | return 0; | |
311 | } | |
a9732d04 | 312 | req->req_info.enc.modified = 1; |
928f15e7 | 313 | return i2d_X509_REQ_INFO(&req->req_info, pp); |
a9732d04 | 314 | } |