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diff --git a/src/lib/libcrypto/pem/pem_info.c b/src/lib/libcrypto/pem/pem_info.c
deleted file mode 100644
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1/* $OpenBSD: pem_info.c,v 1.21 2015/09/10 15:56:25 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 <string.h>
61
62#include <openssl/opensslconf.h>
63
64#include <openssl/buffer.h>
65#include <openssl/err.h>
66#include <openssl/evp.h>
67#include <openssl/objects.h>
68#include <openssl/pem.h>
69#include <openssl/x509.h>
70
71#ifndef OPENSSL_NO_DSA
72#include <openssl/dsa.h>
73#endif
74#ifndef OPENSSL_NO_RSA
75#include <openssl/rsa.h>
76#endif
77
78STACK_OF(X509_INFO) *
79PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb,
80 void *u)
81{
82 BIO *b;
83 STACK_OF(X509_INFO) *ret;
84
85 if ((b = BIO_new(BIO_s_file())) == NULL) {
86 PEMerr(PEM_F_PEM_X509_INFO_READ, ERR_R_BUF_LIB);
87 return (0);
88 }
89 BIO_set_fp(b, fp, BIO_NOCLOSE);
90 ret = PEM_X509_INFO_read_bio(b, sk, cb, u);
91 BIO_free(b);
92 return (ret);
93}
94
95STACK_OF(X509_INFO) *
96PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb,
97 void *u)
98{
99 X509_INFO *xi = NULL;
100 char *name = NULL, *header = NULL;
101 void *pp;
102 unsigned char *data = NULL;
103 const unsigned char *p;
104 long len, error = 0;
105 int ok = 0;
106 STACK_OF(X509_INFO) *ret = NULL;
107 unsigned int i, raw, ptype;
108 d2i_of_void *d2i = 0;
109
110 if (sk == NULL) {
111 if ((ret = sk_X509_INFO_new_null()) == NULL) {
112 PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,
113 ERR_R_MALLOC_FAILURE);
114 return 0;
115 }
116 } else
117 ret = sk;
118
119 if ((xi = X509_INFO_new()) == NULL)
120 goto err;
121 for (;;) {
122 raw = 0;
123 ptype = 0;
124 i = PEM_read_bio(bp, &name, &header, &data, &len);
125 if (i == 0) {
126 error = ERR_GET_REASON(ERR_peek_last_error());
127 if (error == PEM_R_NO_START_LINE) {
128 ERR_clear_error();
129 break;
130 }
131 goto err;
132 }
133start:
134 if ((strcmp(name, PEM_STRING_X509) == 0) ||
135 (strcmp(name, PEM_STRING_X509_OLD) == 0)) {
136 d2i = (D2I_OF(void))d2i_X509;
137 if (xi->x509 != NULL) {
138 if (!sk_X509_INFO_push(ret, xi))
139 goto err;
140 if ((xi = X509_INFO_new()) == NULL)
141 goto err;
142 goto start;
143 }
144 pp = &(xi->x509);
145 } else if ((strcmp(name, PEM_STRING_X509_TRUSTED) == 0)) {
146 d2i = (D2I_OF(void))d2i_X509_AUX;
147 if (xi->x509 != NULL) {
148 if (!sk_X509_INFO_push(ret, xi))
149 goto err;
150 if ((xi = X509_INFO_new()) == NULL)
151 goto err;
152 goto start;
153 }
154 pp = &(xi->x509);
155 } else if (strcmp(name, PEM_STRING_X509_CRL) == 0) {
156 d2i = (D2I_OF(void))d2i_X509_CRL;
157 if (xi->crl != NULL) {
158 if (!sk_X509_INFO_push(ret, xi))
159 goto err;
160 if ((xi = X509_INFO_new()) == NULL)
161 goto err;
162 goto start;
163 }
164 pp = &(xi->crl);
165 } else
166#ifndef OPENSSL_NO_RSA
167 if (strcmp(name, PEM_STRING_RSA) == 0) {
168 d2i = (D2I_OF(void))d2i_RSAPrivateKey;
169 if (xi->x_pkey != NULL) {
170 if (!sk_X509_INFO_push(ret, xi))
171 goto err;
172 if ((xi = X509_INFO_new()) == NULL)
173 goto err;
174 goto start;
175 }
176
177 xi->enc_data = NULL;
178 xi->enc_len = 0;
179
180 xi->x_pkey = X509_PKEY_new();
181 if (xi->x_pkey == NULL)
182 goto err;
183 ptype = EVP_PKEY_RSA;
184 pp = &xi->x_pkey->dec_pkey;
185 if (strlen(header) > 10) /* assume encrypted */
186 raw = 1;
187 } else
188#endif
189#ifndef OPENSSL_NO_DSA
190 if (strcmp(name, PEM_STRING_DSA) == 0) {
191 d2i = (D2I_OF(void))d2i_DSAPrivateKey;
192 if (xi->x_pkey != NULL) {
193 if (!sk_X509_INFO_push(ret, xi))
194 goto err;
195 if ((xi = X509_INFO_new()) == NULL)
196 goto err;
197 goto start;
198 }
199
200 xi->enc_data = NULL;
201 xi->enc_len = 0;
202
203 xi->x_pkey = X509_PKEY_new();
204 if (xi->x_pkey == NULL)
205 goto err;
206 ptype = EVP_PKEY_DSA;
207 pp = &xi->x_pkey->dec_pkey;
208 if (strlen(header) > 10) /* assume encrypted */
209 raw = 1;
210 } else
211#endif
212#ifndef OPENSSL_NO_EC
213 if (strcmp(name, PEM_STRING_ECPRIVATEKEY) == 0) {
214 d2i = (D2I_OF(void))d2i_ECPrivateKey;
215 if (xi->x_pkey != NULL) {
216 if (!sk_X509_INFO_push(ret, xi))
217 goto err;
218 if ((xi = X509_INFO_new()) == NULL)
219 goto err;
220 goto start;
221 }
222
223 xi->enc_data = NULL;
224 xi->enc_len = 0;
225
226 xi->x_pkey = X509_PKEY_new();
227 if (xi->x_pkey == NULL)
228 goto err;
229 ptype = EVP_PKEY_EC;
230 pp = &xi->x_pkey->dec_pkey;
231 if (strlen(header) > 10) /* assume encrypted */
232 raw = 1;
233 } else
234#endif
235 {
236 d2i = NULL;
237 pp = NULL;
238 }
239
240 if (d2i != NULL) {
241 if (!raw) {
242 EVP_CIPHER_INFO cipher;
243
244 if (!PEM_get_EVP_CIPHER_INFO(header, &cipher))
245 goto err;
246 if (!PEM_do_header(&cipher, data, &len, cb, u))
247 goto err;
248 p = data;
249 if (ptype) {
250 if (!d2i_PrivateKey(ptype, pp, &p,
251 len)) {
252 PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,
253 ERR_R_ASN1_LIB);
254 goto err;
255 }
256 } else if (d2i(pp, &p, len) == NULL) {
257 PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,
258 ERR_R_ASN1_LIB);
259 goto err;
260 }
261 } else { /* encrypted RSA data */
262 if (!PEM_get_EVP_CIPHER_INFO(header,
263 &xi->enc_cipher))
264 goto err;
265 xi->enc_data = (char *)data;
266 xi->enc_len = (int)len;
267 data = NULL;
268 }
269 } else {
270 /* unknown */
271 }
272 free(name);
273 free(header);
274 free(data);
275 name = NULL;
276 header = NULL;
277 data = NULL;
278 }
279
280 /* if the last one hasn't been pushed yet and there is anything
281 * in it then add it to the stack ...
282 */
283 if ((xi->x509 != NULL) || (xi->crl != NULL) ||
284 (xi->x_pkey != NULL) || (xi->enc_data != NULL)) {
285 if (!sk_X509_INFO_push(ret, xi))
286 goto err;
287 xi = NULL;
288 }
289 ok = 1;
290
291err:
292 if (xi != NULL)
293 X509_INFO_free(xi);
294 if (!ok) {
295 for (i = 0; ((int)i) < sk_X509_INFO_num(ret); i++) {
296 xi = sk_X509_INFO_value(ret, i);
297 X509_INFO_free(xi);
298 }
299 if (ret != sk)
300 sk_X509_INFO_free(ret);
301 ret = NULL;
302 }
303
304 free(name);
305 free(header);
306 free(data);
307 return (ret);
308}
309
310
311/* A TJH addition */
312int
313PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
314 unsigned char *kstr, int klen, pem_password_cb *cb, void *u)
315{
316 EVP_CIPHER_CTX ctx;
317 int i, ret = 0;
318 unsigned char *data = NULL;
319 const char *objstr = NULL;
320 char buf[PEM_BUFSIZE];
321 unsigned char *iv = NULL;
322
323 if (enc != NULL) {
324 objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc));
325 if (objstr == NULL) {
326 PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,
327 PEM_R_UNSUPPORTED_CIPHER);
328 goto err;
329 }
330 }
331
332 /* now for the fun part ... if we have a private key then
333 * we have to be able to handle a not-yet-decrypted key
334 * being written out correctly ... if it is decrypted or
335 * it is non-encrypted then we use the base code
336 */
337 if (xi->x_pkey != NULL) {
338 if ((xi->enc_data != NULL) && (xi->enc_len > 0) ) {
339 if (enc == NULL) {
340 PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,
341 PEM_R_CIPHER_IS_NULL);
342 goto err;
343 }
344
345 /* copy from weirdo names into more normal things */
346 iv = xi->enc_cipher.iv;
347 data = (unsigned char *)xi->enc_data;
348 i = xi->enc_len;
349
350 /* we take the encryption data from the
351 * internal stuff rather than what the
352 * user has passed us ... as we have to
353 * match exactly for some strange reason
354 */
355 objstr = OBJ_nid2sn(
356 EVP_CIPHER_nid(xi->enc_cipher.cipher));
357 if (objstr == NULL) {
358 PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,
359 PEM_R_UNSUPPORTED_CIPHER);
360 goto err;
361 }
362
363 /* create the right magic header stuff */
364 if (strlen(objstr) + 23 + 2 * enc->iv_len + 13 >
365 sizeof buf) {
366 PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,
367 ASN1_R_BUFFER_TOO_SMALL);
368 goto err;
369 }
370 buf[0] = '\0';
371 PEM_proc_type(buf, PEM_TYPE_ENCRYPTED);
372 PEM_dek_info(buf, objstr, enc->iv_len, (char *)iv);
373
374 /* use the normal code to write things out */
375 i = PEM_write_bio(bp, PEM_STRING_RSA, buf, data, i);
376 if (i <= 0)
377 goto err;
378 } else {
379 /* Add DSA/DH */
380#ifndef OPENSSL_NO_RSA
381 /* normal optionally encrypted stuff */
382 if (PEM_write_bio_RSAPrivateKey(bp,
383 xi->x_pkey->dec_pkey->pkey.rsa,
384 enc, kstr, klen, cb, u) <= 0)
385 goto err;
386#endif
387 }
388 }
389
390 /* if we have a certificate then write it out now */
391 if ((xi->x509 != NULL) && (PEM_write_bio_X509(bp, xi->x509) <= 0))
392 goto err;
393
394 /* we are ignoring anything else that is loaded into the X509_INFO
395 * structure for the moment ... as I don't need it so I'm not
396 * coding it here and Eric can do it when this makes it into the
397 * base library --tjh
398 */
399
400 ret = 1;
401
402err:
403 explicit_bzero((char *)&ctx, sizeof(ctx));
404 explicit_bzero(buf, PEM_BUFSIZE);
405 return (ret);
406}
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