diff options
Diffstat (limited to 'src/lib/libcrypto/pem/pem_info.c')
-rw-r--r-- | src/lib/libcrypto/pem/pem_info.c | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/src/lib/libcrypto/pem/pem_info.c b/src/lib/libcrypto/pem/pem_info.c new file mode 100644 index 0000000000..4b69833b62 --- /dev/null +++ b/src/lib/libcrypto/pem/pem_info.c | |||
@@ -0,0 +1,365 @@ | |||
1 | /* crypto/pem/pem_info.c */ | ||
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 "cryptlib.h" | ||
61 | #include "buffer.h" | ||
62 | #include "objects.h" | ||
63 | #include "evp.h" | ||
64 | #include "x509.h" | ||
65 | #include "pem.h" | ||
66 | |||
67 | #ifndef NO_FP_API | ||
68 | STACK *PEM_X509_INFO_read(fp,sk,cb) | ||
69 | FILE *fp; | ||
70 | STACK *sk; | ||
71 | int (*cb)(); | ||
72 | { | ||
73 | BIO *b; | ||
74 | STACK *ret; | ||
75 | |||
76 | if ((b=BIO_new(BIO_s_file())) == NULL) | ||
77 | { | ||
78 | PEMerr(PEM_F_PEM_X509_INFO_READ,ERR_R_BUF_LIB); | ||
79 | return(0); | ||
80 | } | ||
81 | BIO_set_fp(b,fp,BIO_NOCLOSE); | ||
82 | ret=PEM_X509_INFO_read_bio(b,sk,cb); | ||
83 | BIO_free(b); | ||
84 | return(ret); | ||
85 | } | ||
86 | #endif | ||
87 | |||
88 | STACK *PEM_X509_INFO_read_bio(bp,sk,cb) | ||
89 | BIO *bp; | ||
90 | STACK *sk; | ||
91 | int (*cb)(); | ||
92 | { | ||
93 | X509_INFO *xi=NULL; | ||
94 | char *name=NULL,*header=NULL,**pp; | ||
95 | unsigned char *data=NULL,*p; | ||
96 | long len,error=0; | ||
97 | int ok=0; | ||
98 | STACK *ret=NULL; | ||
99 | unsigned int i,raw; | ||
100 | char *(*d2i)(); | ||
101 | |||
102 | if (sk == NULL) | ||
103 | { | ||
104 | if ((ret=sk_new_null()) == NULL) | ||
105 | { | ||
106 | PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_MALLOC_FAILURE); | ||
107 | goto err; | ||
108 | } | ||
109 | } | ||
110 | else | ||
111 | ret=sk; | ||
112 | |||
113 | if ((xi=X509_INFO_new()) == NULL) goto err; | ||
114 | for (;;) | ||
115 | { | ||
116 | raw=0; | ||
117 | i=PEM_read_bio(bp,&name,&header,&data,&len); | ||
118 | if (i == 0) | ||
119 | { | ||
120 | error=ERR_GET_REASON(ERR_peek_error()); | ||
121 | if (error == PEM_R_NO_START_LINE) | ||
122 | { | ||
123 | ERR_clear_error(); | ||
124 | break; | ||
125 | } | ||
126 | goto err; | ||
127 | } | ||
128 | start: | ||
129 | if ( (strcmp(name,PEM_STRING_X509) == 0) || | ||
130 | (strcmp(name,PEM_STRING_X509_OLD) == 0)) | ||
131 | { | ||
132 | d2i=(char *(*)())d2i_X509; | ||
133 | if (xi->x509 != NULL) | ||
134 | { | ||
135 | if (!sk_push(ret,(char *)xi)) goto err; | ||
136 | if ((xi=X509_INFO_new()) == NULL) goto err; | ||
137 | goto start; | ||
138 | } | ||
139 | pp=(char **)&(xi->x509); | ||
140 | } | ||
141 | else if (strcmp(name,PEM_STRING_X509_CRL) == 0) | ||
142 | { | ||
143 | d2i=(char *(*)())d2i_X509_CRL; | ||
144 | if (xi->crl != NULL) | ||
145 | { | ||
146 | if (!sk_push(ret,(char *)xi)) goto err; | ||
147 | if ((xi=X509_INFO_new()) == NULL) goto err; | ||
148 | goto start; | ||
149 | } | ||
150 | pp=(char **)&(xi->crl); | ||
151 | } | ||
152 | else | ||
153 | #ifndef NO_RSA | ||
154 | if (strcmp(name,PEM_STRING_RSA) == 0) | ||
155 | { | ||
156 | d2i=(char *(*)())d2i_RSAPrivateKey; | ||
157 | if (xi->x_pkey != NULL) | ||
158 | { | ||
159 | if (!sk_push(ret,(char *)xi)) goto err; | ||
160 | if ((xi=X509_INFO_new()) == NULL) goto err; | ||
161 | goto start; | ||
162 | } | ||
163 | |||
164 | xi->enc_data=NULL; | ||
165 | xi->enc_len=0; | ||
166 | |||
167 | xi->x_pkey=X509_PKEY_new(); | ||
168 | if ((xi->x_pkey->dec_pkey=EVP_PKEY_new()) == NULL) | ||
169 | goto err; | ||
170 | xi->x_pkey->dec_pkey->type=EVP_PKEY_RSA; | ||
171 | pp=(char **)&(xi->x_pkey->dec_pkey->pkey.rsa); | ||
172 | if ((int)strlen(header) > 10) /* assume encrypted */ | ||
173 | raw=1; | ||
174 | } | ||
175 | else | ||
176 | #endif | ||
177 | #ifndef NO_DSA | ||
178 | if (strcmp(name,PEM_STRING_DSA) == 0) | ||
179 | { | ||
180 | d2i=(char *(*)())d2i_DSAPrivateKey; | ||
181 | if (xi->x_pkey != NULL) | ||
182 | { | ||
183 | if (!sk_push(ret,(char *)xi)) goto err; | ||
184 | if ((xi=X509_INFO_new()) == NULL) goto err; | ||
185 | goto start; | ||
186 | } | ||
187 | |||
188 | xi->enc_data=NULL; | ||
189 | xi->enc_len=0; | ||
190 | |||
191 | xi->x_pkey=X509_PKEY_new(); | ||
192 | if ((xi->x_pkey->dec_pkey=EVP_PKEY_new()) == NULL) | ||
193 | goto err; | ||
194 | xi->x_pkey->dec_pkey->type=EVP_PKEY_DSA; | ||
195 | pp=(char **)&(xi->x_pkey->dec_pkey->pkey.dsa); | ||
196 | if ((int)strlen(header) > 10) /* assume encrypted */ | ||
197 | raw=1; | ||
198 | } | ||
199 | else | ||
200 | #endif | ||
201 | { | ||
202 | d2i=NULL; | ||
203 | pp=NULL; | ||
204 | } | ||
205 | |||
206 | if (d2i != NULL) | ||
207 | { | ||
208 | if (!raw) | ||
209 | { | ||
210 | EVP_CIPHER_INFO cipher; | ||
211 | |||
212 | if (!PEM_get_EVP_CIPHER_INFO(header,&cipher)) | ||
213 | goto err; | ||
214 | if (!PEM_do_header(&cipher,data,&len,cb)) | ||
215 | goto err; | ||
216 | p=data; | ||
217 | if (d2i(pp,&p,len) == NULL) | ||
218 | { | ||
219 | PEMerr(PEM_F_PEM_X509_INFO_READ_BIO,ERR_R_ASN1_LIB); | ||
220 | goto err; | ||
221 | } | ||
222 | } | ||
223 | else | ||
224 | { /* encrypted RSA data */ | ||
225 | if (!PEM_get_EVP_CIPHER_INFO(header, | ||
226 | &xi->enc_cipher)) goto err; | ||
227 | xi->enc_data=(char *)data; | ||
228 | xi->enc_len=(int)len; | ||
229 | data=NULL; | ||
230 | } | ||
231 | } | ||
232 | else { | ||
233 | /* unknown */ | ||
234 | } | ||
235 | if (name != NULL) Free(name); | ||
236 | if (header != NULL) Free(header); | ||
237 | if (data != NULL) Free(data); | ||
238 | name=NULL; | ||
239 | header=NULL; | ||
240 | data=NULL; | ||
241 | } | ||
242 | |||
243 | /* if the last one hasn't been pushed yet and there is anything | ||
244 | * in it then add it to the stack ... | ||
245 | */ | ||
246 | if ((xi->x509 != NULL) || (xi->crl != NULL) || | ||
247 | (xi->x_pkey != NULL) || (xi->enc_data != NULL)) | ||
248 | { | ||
249 | if (!sk_push(ret,(char *)xi)) goto err; | ||
250 | xi=NULL; | ||
251 | } | ||
252 | ok=1; | ||
253 | err: | ||
254 | if (xi != NULL) X509_INFO_free(xi); | ||
255 | if (!ok) | ||
256 | { | ||
257 | for (i=0; ((int)i)<sk_num(ret); i++) | ||
258 | { | ||
259 | xi=(X509_INFO *)sk_value(ret,i); | ||
260 | X509_INFO_free(xi); | ||
261 | } | ||
262 | if (ret != sk) sk_free(ret); | ||
263 | ret=NULL; | ||
264 | } | ||
265 | |||
266 | if (name != NULL) Free(name); | ||
267 | if (header != NULL) Free(header); | ||
268 | if (data != NULL) Free(data); | ||
269 | return(ret); | ||
270 | } | ||
271 | |||
272 | |||
273 | /* A TJH addition */ | ||
274 | int PEM_X509_INFO_write_bio(bp,xi,enc,kstr,klen,cb) | ||
275 | BIO *bp; | ||
276 | X509_INFO *xi; | ||
277 | EVP_CIPHER *enc; | ||
278 | unsigned char *kstr; | ||
279 | int klen; | ||
280 | int (*cb)(); | ||
281 | { | ||
282 | EVP_CIPHER_CTX ctx; | ||
283 | int i,ret=0; | ||
284 | unsigned char *data=NULL; | ||
285 | char *objstr=NULL; | ||
286 | #define PEM_BUFSIZE 1024 | ||
287 | char buf[PEM_BUFSIZE]; | ||
288 | unsigned char *iv=NULL; | ||
289 | |||
290 | if (enc != NULL) | ||
291 | { | ||
292 | objstr=OBJ_nid2sn(EVP_CIPHER_nid(enc)); | ||
293 | if (objstr == NULL) | ||
294 | { | ||
295 | PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER); | ||
296 | goto err; | ||
297 | } | ||
298 | } | ||
299 | |||
300 | /* now for the fun part ... if we have a private key then | ||
301 | * we have to be able to handle a not-yet-decrypted key | ||
302 | * being written out correctly ... if it is decrypted or | ||
303 | * it is non-encrypted then we use the base code | ||
304 | */ | ||
305 | if (xi->x_pkey!=NULL) | ||
306 | { | ||
307 | if ( (xi->enc_data!=NULL) && (xi->enc_len>0) ) | ||
308 | { | ||
309 | /* copy from wierdo names into more normal things */ | ||
310 | iv=xi->enc_cipher.iv; | ||
311 | data=(unsigned char *)xi->enc_data; | ||
312 | i=xi->enc_len; | ||
313 | |||
314 | /* we take the encryption data from the | ||
315 | * internal stuff rather than what the | ||
316 | * user has passed us ... as we have to | ||
317 | * match exactly for some strange reason | ||
318 | */ | ||
319 | objstr=OBJ_nid2sn( | ||
320 | EVP_CIPHER_nid(xi->enc_cipher.cipher)); | ||
321 | if (objstr == NULL) | ||
322 | { | ||
323 | PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER); | ||
324 | goto err; | ||
325 | } | ||
326 | |||
327 | /* create the right magic header stuff */ | ||
328 | buf[0]='\0'; | ||
329 | PEM_proc_type(buf,PEM_TYPE_ENCRYPTED); | ||
330 | PEM_dek_info(buf,objstr,8,(char *)iv); | ||
331 | |||
332 | /* use the normal code to write things out */ | ||
333 | i=PEM_write_bio(bp,PEM_STRING_RSA,buf,data,i); | ||
334 | if (i <= 0) goto err; | ||
335 | } | ||
336 | else | ||
337 | { | ||
338 | /* Add DSA/DH */ | ||
339 | #ifndef NO_RSA | ||
340 | /* normal optionally encrypted stuff */ | ||
341 | if (PEM_write_bio_RSAPrivateKey(bp, | ||
342 | xi->x_pkey->dec_pkey->pkey.rsa, | ||
343 | enc,kstr,klen,cb)<=0) | ||
344 | goto err; | ||
345 | #endif | ||
346 | } | ||
347 | } | ||
348 | |||
349 | /* if we have a certificate then write it out now */ | ||
350 | if ((xi->x509 != NULL) || (PEM_write_bio_X509(bp,xi->x509) <= 0)) | ||
351 | goto err; | ||
352 | |||
353 | /* we are ignoring anything else that is loaded into the X509_INFO | ||
354 | * structure for the moment ... as I don't need it so I'm not | ||
355 | * coding it here and Eric can do it when this makes it into the | ||
356 | * base library --tjh | ||
357 | */ | ||
358 | |||
359 | ret=1; | ||
360 | |||
361 | err: | ||
362 | memset((char *)&ctx,0,sizeof(ctx)); | ||
363 | memset(buf,0,PEM_BUFSIZE); | ||
364 | return(ret); | ||
365 | } | ||