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1 | /* apps/x509.c */ |
2 | /* Copyright (C) 1995-1997 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 <stdlib.h> | |
61 | #include <string.h> | |
62 | #ifdef WIN16 | |
63 | #define APPS_WIN16 | |
64 | #endif | |
65 | #include "apps.h" | |
66 | #include "bio.h" | |
67 | #include "asn1.h" | |
68 | #include "err.h" | |
69 | #include "bn.h" | |
70 | #include "evp.h" | |
71 | #include "x509.h" | |
72 | #include "objects.h" | |
73 | #include "pem.h" | |
74 | ||
75 | #undef PROG | |
76 | #define PROG x509_main | |
77 | ||
78 | #undef POSTFIX | |
79 | #define POSTFIX ".srl" | |
80 | #define DEF_DAYS 30 | |
81 | ||
82 | #define FORMAT_UNDEF 0 | |
83 | #define FORMAT_ASN1 1 | |
84 | #define FORMAT_TEXT 2 | |
85 | #define FORMAT_PEM 3 | |
86 | ||
87 | #define CERT_HDR "certificate" | |
88 | ||
89 | static char *x509_usage[]={ | |
90 | "usage: x509 args\n", | |
91 | " -inform arg - input format - default PEM (one of DER, NET or PEM)\n", | |
92 | " -outform arg - output format - default PEM (one of DER, NET or PEM\n", | |
93 | " -keyform arg - private key format - default PEM\n", | |
94 | " -CAform arg - CA format - default PEM\n", | |
95 | " -CAkeyform arg - CA key format - default PEM\n", | |
96 | " -in arg - input file - default stdin\n", | |
97 | " -out arg - output file - default stdout\n", | |
98 | " -serial - print serial number value\n", | |
99 | " -hash - print hash value\n", | |
100 | " -subject - print subject DN\n", | |
101 | " -issuer - print issuer DN\n", | |
102 | " -startdate - notBefore field\n", | |
103 | " -enddate - notAfter field\n", | |
104 | " -dates - both Before and After dates\n", | |
105 | " -modulus - print the RSA key modulus\n", | |
106 | " -fingerprint - print the certificate fingerprint\n", | |
107 | " -noout - no certificate output\n", | |
108 | ||
109 | " -days arg - How long till expiry of a signed certificate - def 30 days\n", | |
110 | " -signkey arg - self sign cert with arg\n", | |
111 | " -x509toreq - output a certification request object\n", | |
112 | " -req - input is a certificate request, sign and output.\n", | |
113 | " -CA arg - set the CA certificate, must be PEM format.\n", | |
114 | " -CAkey arg - set the CA key, must be PEM format\n", | |
115 | " missing, it is asssumed to be in the CA file.\n", | |
116 | " -CAcreateserial - create serial number file if it does not exist\n", | |
117 | " -CAserial - serial file\n", | |
118 | " -text - print the certitificate in text form\n", | |
119 | " -C - print out C code forms\n", | |
120 | " -md2/-md5/-sha1/-mdc2 - digest to do an RSA sign with\n", | |
121 | NULL | |
122 | }; | |
123 | ||
124 | #ifndef NOPROTO | |
125 | static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx); | |
126 | static EVP_PKEY *load_key(char *file, int format); | |
127 | static X509 *load_cert(char *file, int format); | |
128 | static int sign (X509 *x, EVP_PKEY *pkey,int days,EVP_MD *digest); | |
129 | static int x509_certify (X509_STORE *ctx,char *CAfile, EVP_MD *digest,X509 *x, | |
130 | X509 *xca, EVP_PKEY *pkey,char *serial, int create, int days); | |
131 | #else | |
132 | static int MS_CALLBACK callb(); | |
133 | static EVP_PKEY *load_key(); | |
134 | static X509 *load_cert(); | |
135 | static int sign (); | |
136 | static int x509_certify (); | |
137 | #endif | |
138 | ||
139 | static int reqfile=0; | |
140 | ||
141 | int MAIN(argc, argv) | |
142 | int argc; | |
143 | char **argv; | |
144 | { | |
145 | int ret=1; | |
146 | X509_REQ *req=NULL; | |
147 | X509 *x=NULL,*xca=NULL; | |
148 | EVP_PKEY *Upkey=NULL,*CApkey=NULL; | |
149 | int i,num,badops=0; | |
150 | BIO *out=NULL; | |
151 | BIO *STDout=NULL; | |
152 | int informat,outformat,keyformat,CAformat,CAkeyformat; | |
153 | char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL; | |
154 | char *CAkeyfile=NULL,*CAserial=NULL; | |
155 | int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0; | |
156 | int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0; | |
157 | int C=0; | |
158 | int x509req=0,days=DEF_DAYS,modulus=0; | |
159 | char **pp; | |
160 | X509_STORE *ctx=NULL; | |
161 | X509_REQ *rq=NULL; | |
162 | int fingerprint=0; | |
163 | char buf[256]; | |
164 | EVP_MD *md_alg,*digest=EVP_md5(); | |
165 | ||
166 | reqfile=0; | |
167 | ||
168 | apps_startup(); | |
169 | ||
170 | if (bio_err == NULL) | |
171 | bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); | |
172 | STDout=BIO_new_fp(stdout,BIO_NOCLOSE); | |
173 | ||
174 | informat=FORMAT_PEM; | |
175 | outformat=FORMAT_PEM; | |
176 | keyformat=FORMAT_PEM; | |
177 | CAformat=FORMAT_PEM; | |
178 | CAkeyformat=FORMAT_PEM; | |
179 | ||
180 | ctx=X509_STORE_new(); | |
181 | if (ctx == NULL) goto end; | |
182 | X509_STORE_set_verify_cb_func(ctx,callb); | |
183 | ||
184 | argc--; | |
185 | argv++; | |
186 | num=0; | |
187 | while (argc >= 1) | |
188 | { | |
189 | if (strcmp(*argv,"-inform") == 0) | |
190 | { | |
191 | if (--argc < 1) goto bad; | |
192 | informat=str2fmt(*(++argv)); | |
193 | } | |
194 | else if (strcmp(*argv,"-outform") == 0) | |
195 | { | |
196 | if (--argc < 1) goto bad; | |
197 | outformat=str2fmt(*(++argv)); | |
198 | } | |
199 | else if (strcmp(*argv,"-keyform") == 0) | |
200 | { | |
201 | if (--argc < 1) goto bad; | |
202 | keyformat=str2fmt(*(++argv)); | |
203 | } | |
204 | else if (strcmp(*argv,"-req") == 0) | |
205 | reqfile=1; | |
206 | else if (strcmp(*argv,"-CAform") == 0) | |
207 | { | |
208 | if (--argc < 1) goto bad; | |
209 | CAformat=str2fmt(*(++argv)); | |
210 | } | |
211 | else if (strcmp(*argv,"-CAkeyform") == 0) | |
212 | { | |
213 | if (--argc < 1) goto bad; | |
214 | CAformat=str2fmt(*(++argv)); | |
215 | } | |
216 | else if (strcmp(*argv,"-days") == 0) | |
217 | { | |
218 | if (--argc < 1) goto bad; | |
219 | days=atoi(*(++argv)); | |
220 | if (days == 0) | |
221 | { | |
222 | BIO_printf(bio_err,"bad number of days\n"); | |
223 | goto bad; | |
224 | } | |
225 | } | |
226 | else if (strcmp(*argv,"-in") == 0) | |
227 | { | |
228 | if (--argc < 1) goto bad; | |
229 | infile= *(++argv); | |
230 | } | |
231 | else if (strcmp(*argv,"-out") == 0) | |
232 | { | |
233 | if (--argc < 1) goto bad; | |
234 | outfile= *(++argv); | |
235 | } | |
236 | else if (strcmp(*argv,"-signkey") == 0) | |
237 | { | |
238 | if (--argc < 1) goto bad; | |
239 | keyfile= *(++argv); | |
240 | sign_flag= ++num; | |
241 | } | |
242 | else if (strcmp(*argv,"-CA") == 0) | |
243 | { | |
244 | if (--argc < 1) goto bad; | |
245 | CAfile= *(++argv); | |
246 | CA_flag= ++num; | |
247 | } | |
248 | else if (strcmp(*argv,"-CAkey") == 0) | |
249 | { | |
250 | if (--argc < 1) goto bad; | |
251 | CAkeyfile= *(++argv); | |
252 | } | |
253 | else if (strcmp(*argv,"-CAserial") == 0) | |
254 | { | |
255 | if (--argc < 1) goto bad; | |
256 | CAserial= *(++argv); | |
257 | } | |
258 | else if (strcmp(*argv,"-C") == 0) | |
259 | C= ++num; | |
260 | else if (strcmp(*argv,"-serial") == 0) | |
261 | serial= ++num; | |
262 | else if (strcmp(*argv,"-modulus") == 0) | |
263 | modulus= ++num; | |
264 | else if (strcmp(*argv,"-x509toreq") == 0) | |
265 | x509req= ++num; | |
266 | else if (strcmp(*argv,"-text") == 0) | |
267 | text= ++num; | |
268 | else if (strcmp(*argv,"-hash") == 0) | |
269 | hash= ++num; | |
270 | else if (strcmp(*argv,"-subject") == 0) | |
271 | subject= ++num; | |
272 | else if (strcmp(*argv,"-issuer") == 0) | |
273 | issuer= ++num; | |
274 | else if (strcmp(*argv,"-fingerprint") == 0) | |
275 | fingerprint= ++num; | |
276 | else if (strcmp(*argv,"-dates") == 0) | |
277 | { | |
278 | startdate= ++num; | |
279 | enddate= ++num; | |
280 | } | |
281 | else if (strcmp(*argv,"-startdate") == 0) | |
282 | startdate= ++num; | |
283 | else if (strcmp(*argv,"-enddate") == 0) | |
284 | enddate= ++num; | |
285 | else if (strcmp(*argv,"-noout") == 0) | |
286 | noout= ++num; | |
287 | else if (strcmp(*argv,"-CAcreateserial") == 0) | |
288 | CA_createserial= ++num; | |
289 | else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL) | |
290 | { | |
291 | /* ok */ | |
292 | digest=md_alg; | |
293 | } | |
294 | else | |
295 | { | |
296 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
297 | badops=1; | |
298 | break; | |
299 | } | |
300 | argc--; | |
301 | argv++; | |
302 | } | |
303 | ||
304 | if (badops) | |
305 | { | |
306 | bad: | |
307 | for (pp=x509_usage; (*pp != NULL); pp++) | |
308 | BIO_printf(bio_err,*pp); | |
309 | goto end; | |
310 | } | |
311 | ||
312 | ERR_load_crypto_strings(); | |
313 | ||
314 | if (!X509_STORE_set_default_paths(ctx)) | |
315 | { | |
316 | ERR_print_errors(bio_err); | |
317 | goto end; | |
318 | } | |
319 | ||
320 | if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) | |
321 | { CAkeyfile=CAfile; } | |
322 | else if ((CA_flag) && (CAkeyfile == NULL)) | |
323 | { | |
324 | BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n"); | |
325 | goto end; | |
326 | } | |
327 | ||
328 | if (reqfile) | |
329 | { | |
330 | EVP_PKEY *pkey; | |
331 | X509_CINF *ci; | |
332 | BIO *in; | |
333 | ||
334 | if (!sign_flag && !CA_flag) | |
335 | { | |
336 | BIO_printf(bio_err,"We need a private key to sign with\n"); | |
337 | goto end; | |
338 | } | |
339 | in=BIO_new(BIO_s_file()); | |
340 | if (in == NULL) | |
341 | { | |
342 | ERR_print_errors(bio_err); | |
343 | goto end; | |
344 | } | |
345 | ||
346 | if (infile == NULL) | |
347 | BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
348 | else | |
349 | { | |
350 | if (BIO_read_filename(in,infile) <= 0) | |
351 | { | |
352 | perror(infile); | |
353 | goto end; | |
354 | } | |
355 | } | |
356 | req=PEM_read_bio_X509_REQ(in,NULL,NULL); | |
357 | BIO_free(in); | |
358 | ||
359 | if (req == NULL) { perror(infile); goto end; } | |
360 | ||
361 | if ( (req->req_info == NULL) || | |
362 | (req->req_info->pubkey == NULL) || | |
363 | (req->req_info->pubkey->public_key == NULL) || | |
364 | (req->req_info->pubkey->public_key->data == NULL)) | |
365 | { | |
366 | BIO_printf(bio_err,"The certificate request appears to corrupted\n"); | |
367 | BIO_printf(bio_err,"It does not contain a public key\n"); | |
368 | goto end; | |
369 | } | |
370 | if ((pkey=X509_REQ_get_pubkey(req)) == NULL) | |
371 | { | |
372 | BIO_printf(bio_err,"error unpacking public key\n"); | |
373 | goto end; | |
374 | } | |
375 | i=X509_REQ_verify(req,pkey); | |
376 | if (i < 0) | |
377 | { | |
378 | BIO_printf(bio_err,"Signature verification error\n"); | |
379 | ERR_print_errors(bio_err); | |
380 | goto end; | |
381 | } | |
382 | if (i == 0) | |
383 | { | |
384 | BIO_printf(bio_err,"Signature did not match the certificate request\n"); | |
385 | goto end; | |
386 | } | |
387 | else | |
388 | BIO_printf(bio_err,"Signature ok\n"); | |
389 | ||
390 | X509_NAME_oneline(req->req_info->subject,buf,256); | |
391 | BIO_printf(bio_err,"subject=%s\n",buf); | |
392 | ||
393 | if ((x=X509_new()) == NULL) goto end; | |
394 | ci=x->cert_info; | |
395 | ||
396 | if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end; | |
397 | if (!X509_set_issuer_name(x,req->req_info->subject)) goto end; | |
398 | if (!X509_set_subject_name(x,req->req_info->subject)) goto end; | |
399 | ||
400 | X509_gmtime_adj(X509_get_notBefore(x),0); | |
401 | X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days); | |
402 | ||
403 | X509_PUBKEY_free(ci->key); | |
404 | ci->key=req->req_info->pubkey; | |
405 | req->req_info->pubkey=NULL; | |
406 | } | |
407 | else | |
408 | x=load_cert(infile,informat); | |
409 | ||
410 | if (x == NULL) goto end; | |
411 | if (CA_flag) | |
412 | { | |
413 | xca=load_cert(CAfile,CAformat); | |
414 | if (xca == NULL) goto end; | |
415 | } | |
416 | ||
417 | if (!noout || text) | |
418 | { | |
419 | OBJ_create_and_add_object("2.99999.3", | |
420 | "SET.ex3","SET x509v3 extension 3"); | |
421 | ||
422 | out=BIO_new(BIO_s_file()); | |
423 | if (out == NULL) | |
424 | { | |
425 | ERR_print_errors(bio_err); | |
426 | goto end; | |
427 | } | |
428 | if (outfile == NULL) | |
429 | BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
430 | else | |
431 | { | |
432 | if (BIO_write_filename(out,outfile) <= 0) | |
433 | { | |
434 | perror(outfile); | |
435 | goto end; | |
436 | } | |
437 | } | |
438 | } | |
439 | ||
440 | if (num) | |
441 | { | |
442 | for (i=1; i<=num; i++) | |
443 | { | |
444 | if (issuer == i) | |
445 | { | |
446 | X509_NAME_oneline(X509_get_issuer_name(x), | |
447 | buf,256); | |
448 | fprintf(stdout,"issuer= %s\n",buf); | |
449 | } | |
450 | else if (subject == i) | |
451 | { | |
452 | X509_NAME_oneline(X509_get_subject_name(x), | |
453 | buf,256); | |
454 | fprintf(stdout,"subject=%s\n",buf); | |
455 | } | |
456 | else if (serial == i) | |
457 | { | |
458 | fprintf(stdout,"serial="); | |
459 | i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber); | |
460 | fprintf(stdout,"\n"); | |
461 | } | |
462 | else if (hash == i) | |
463 | { | |
464 | fprintf(stdout,"%08lx\n", | |
465 | X509_subject_name_hash(x)); | |
466 | } | |
467 | else | |
468 | #ifndef NO_RSA | |
469 | if (modulus == i) | |
470 | { | |
471 | EVP_PKEY *pkey; | |
472 | ||
473 | pkey=X509_get_pubkey(x); | |
474 | if (pkey == NULL) | |
475 | { | |
476 | fprintf(stdout,"Modulus=unavailable\n"); | |
477 | ERR_print_errors(bio_err); | |
478 | goto end; | |
479 | } | |
480 | fprintf(stdout,"Modulus="); | |
481 | if (pkey->type == EVP_PKEY_RSA) | |
482 | BN_print(STDout,pkey->pkey.rsa->n); | |
483 | else | |
484 | fprintf(stdout,"Wrong Algorithm type"); | |
485 | fprintf(stdout,"\n"); | |
486 | } | |
487 | else | |
488 | #endif | |
489 | if (C == i) | |
490 | { | |
491 | unsigned char *d; | |
492 | char *m; | |
493 | int y,z; | |
494 | ||
495 | X509_NAME_oneline(X509_get_subject_name(x), | |
496 | buf,256); | |
497 | printf("/* subject:%s */\n",buf); | |
498 | m=X509_NAME_oneline( | |
499 | X509_get_issuer_name(x),buf,256); | |
500 | printf("/* issuer :%s */\n",buf); | |
501 | ||
502 | z=i2d_X509(x,NULL); | |
503 | m=Malloc(z); | |
504 | ||
505 | d=(unsigned char *)m; | |
506 | z=i2d_X509_NAME(X509_get_subject_name(x),&d); | |
507 | printf("unsigned char XXX_subject_name[%d]={\n",z); | |
508 | d=(unsigned char *)m; | |
509 | for (y=0; y<z; y++) | |
510 | { | |
511 | printf("0x%02X,",d[y]); | |
512 | if ((y & 0x0f) == 0x0f) printf("\n"); | |
513 | } | |
514 | if (y%16 != 0) printf("\n"); | |
515 | printf("};\n"); | |
516 | ||
517 | z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d); | |
518 | printf("unsigned char XXX_public_key[%d]={\n",z); | |
519 | d=(unsigned char *)m; | |
520 | for (y=0; y<z; y++) | |
521 | { | |
522 | printf("0x%02X,",d[y]); | |
523 | if ((y & 0x0f) == 0x0f) printf("\n"); | |
524 | } | |
525 | if (y%16 != 0) printf("\n"); | |
526 | printf("};\n"); | |
527 | ||
528 | z=i2d_X509(x,&d); | |
529 | printf("unsigned char XXX_certificate[%d]={\n",z); | |
530 | d=(unsigned char *)m; | |
531 | for (y=0; y<z; y++) | |
532 | { | |
533 | printf("0x%02X,",d[y]); | |
534 | if ((y & 0x0f) == 0x0f) printf("\n"); | |
535 | } | |
536 | if (y%16 != 0) printf("\n"); | |
537 | printf("};\n"); | |
538 | ||
539 | Free(m); | |
540 | } | |
541 | else if (text == i) | |
542 | { | |
543 | X509_print(out,x); | |
544 | } | |
545 | else if (startdate == i) | |
546 | { | |
547 | BIO_puts(STDout,"notBefore="); | |
548 | ASN1_UTCTIME_print(STDout,X509_get_notBefore(x)); | |
549 | BIO_puts(STDout,"\n"); | |
550 | } | |
551 | else if (enddate == i) | |
552 | { | |
553 | BIO_puts(STDout,"notAfter="); | |
554 | ASN1_UTCTIME_print(STDout,X509_get_notAfter(x)); | |
555 | BIO_puts(STDout,"\n"); | |
556 | } | |
557 | else if (fingerprint == i) | |
558 | { | |
559 | int j; | |
560 | unsigned int n; | |
561 | unsigned char md[EVP_MAX_MD_SIZE]; | |
562 | ||
563 | if (!X509_digest(x,EVP_md5(),md,&n)) | |
564 | { | |
565 | BIO_printf(bio_err,"out of memory\n"); | |
566 | goto end; | |
567 | } | |
568 | fprintf(stdout,"MD5 Fingerprint="); | |
569 | for (j=0; j<(int)n; j++) | |
570 | { | |
571 | fprintf(stdout,"%02X%c",md[j], | |
572 | (j+1 == (int)n) | |
573 | ?'\n':':'); | |
574 | } | |
575 | } | |
576 | ||
577 | /* should be in the library */ | |
578 | else if ((sign_flag == i) && (x509req == 0)) | |
579 | { | |
580 | BIO_printf(bio_err,"Getting Private key\n"); | |
581 | if (Upkey == NULL) | |
582 | { | |
583 | Upkey=load_key(keyfile,keyformat); | |
584 | if (Upkey == NULL) goto end; | |
585 | } | |
586 | #ifndef NO_DSA | |
587 | if (Upkey->type == EVP_PKEY_DSA) | |
588 | digest=EVP_dss1(); | |
589 | #endif | |
590 | ||
591 | if (!sign(x,Upkey,days,digest)) goto end; | |
592 | } | |
593 | else if (CA_flag == i) | |
594 | { | |
595 | BIO_printf(bio_err,"Getting CA Private Key\n"); | |
596 | if (CAkeyfile != NULL) | |
597 | { | |
598 | CApkey=load_key(CAkeyfile,CAkeyformat); | |
599 | if (CApkey == NULL) goto end; | |
600 | } | |
601 | #ifndef NO_DSA | |
602 | if (CApkey->type == EVP_PKEY_DSA) | |
603 | digest=EVP_dss1(); | |
604 | #endif | |
605 | if (!x509_certify(ctx,CAfile,digest,x,xca, | |
606 | CApkey, | |
607 | CAserial,CA_createserial,days)) | |
608 | goto end; | |
609 | } | |
610 | else if (x509req == i) | |
611 | { | |
612 | EVP_PKEY *pk; | |
613 | ||
614 | BIO_printf(bio_err,"Getting request Private Key\n"); | |
615 | if (keyfile == NULL) | |
616 | { | |
617 | BIO_printf(bio_err,"no request key file specified\n"); | |
618 | goto end; | |
619 | } | |
620 | else | |
621 | { | |
622 | pk=load_key(keyfile,FORMAT_PEM); | |
623 | if (pk == NULL) goto end; | |
624 | } | |
625 | ||
626 | BIO_printf(bio_err,"Generating certificate request\n"); | |
627 | ||
628 | rq=X509_to_X509_REQ(x,pk); | |
629 | EVP_PKEY_free(pk); | |
630 | if (rq == NULL) | |
631 | { | |
632 | ERR_print_errors(bio_err); | |
633 | goto end; | |
634 | } | |
635 | if (!noout) | |
636 | { | |
637 | X509_REQ_print(out,rq); | |
638 | PEM_write_bio_X509_REQ(out,rq); | |
639 | } | |
640 | noout=1; | |
641 | } | |
642 | } | |
643 | } | |
644 | ||
645 | if (noout) | |
646 | { | |
647 | ret=0; | |
648 | goto end; | |
649 | } | |
650 | ||
651 | if (outformat == FORMAT_ASN1) | |
652 | i=i2d_X509_bio(out,x); | |
653 | else if (outformat == FORMAT_PEM) | |
654 | i=PEM_write_bio_X509(out,x); | |
655 | else if (outformat == FORMAT_NETSCAPE) | |
656 | { | |
657 | ASN1_HEADER ah; | |
658 | ASN1_OCTET_STRING os; | |
659 | ||
660 | os.data=(unsigned char *)CERT_HDR; | |
661 | os.length=strlen(CERT_HDR); | |
662 | ah.header= &os; | |
663 | ah.data=(char *)x; | |
664 | ah.meth=X509_asn1_meth(); | |
665 | ||
666 | /* no macro for this one yet */ | |
667 | i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah); | |
668 | } | |
669 | else { | |
670 | BIO_printf(bio_err,"bad output format specified for outfile\n"); | |
671 | goto end; | |
672 | } | |
673 | if (!i) { | |
674 | BIO_printf(bio_err,"unable to write certificate\n"); | |
675 | ERR_print_errors(bio_err); | |
676 | goto end; | |
677 | } | |
678 | ret=0; | |
679 | end: | |
680 | OBJ_cleanup(); | |
681 | if (out != NULL) BIO_free(out); | |
682 | if (STDout != NULL) BIO_free(STDout); | |
683 | if (ctx != NULL) X509_STORE_free(ctx); | |
684 | if (req != NULL) X509_REQ_free(req); | |
685 | if (x != NULL) X509_free(x); | |
686 | if (xca != NULL) X509_free(xca); | |
687 | if (Upkey != NULL) EVP_PKEY_free(Upkey); | |
688 | if (CApkey != NULL) EVP_PKEY_free(CApkey); | |
689 | if (rq != NULL) X509_REQ_free(rq); | |
690 | EXIT(ret); | |
691 | } | |
692 | ||
693 | static int x509_certify(ctx,CAfile,digest,x,xca,pkey,serialfile,create,days) | |
694 | X509_STORE *ctx; | |
695 | char *CAfile; | |
696 | EVP_MD *digest; | |
697 | X509 *x; | |
698 | X509 *xca; | |
699 | EVP_PKEY *pkey; | |
700 | char *serialfile; | |
701 | int create; | |
702 | int days; | |
703 | { | |
704 | int ret=0; | |
705 | BIO *io=NULL; | |
706 | MS_STATIC char buf2[1024]; | |
707 | char *buf=NULL,*p; | |
708 | BIGNUM *serial=NULL; | |
709 | ASN1_INTEGER *bs=NULL,bs2; | |
710 | X509_STORE_CTX xsc; | |
711 | EVP_PKEY *upkey; | |
712 | ||
713 | EVP_PKEY_copy_parameters(X509_get_pubkey(xca),pkey); | |
714 | ||
715 | X509_STORE_CTX_init(&xsc,ctx,x,NULL); | |
716 | buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+ | |
717 | ((serialfile == NULL) | |
718 | ?(strlen(CAfile)+strlen(POSTFIX)+1) | |
719 | :(strlen(serialfile)))+1); | |
720 | if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; } | |
721 | if (serialfile == NULL) | |
722 | { | |
723 | strcpy(buf,CAfile); | |
724 | for (p=buf; *p; p++) | |
725 | if (*p == '.') | |
726 | { | |
727 | *p='\0'; | |
728 | break; | |
729 | } | |
730 | strcat(buf,POSTFIX); | |
731 | } | |
732 | else | |
733 | strcpy(buf,serialfile); | |
734 | serial=BN_new(); | |
735 | bs=ASN1_INTEGER_new(); | |
736 | if ((serial == NULL) || (bs == NULL)) | |
737 | { | |
738 | ERR_print_errors(bio_err); | |
739 | goto end; | |
740 | } | |
741 | ||
742 | io=BIO_new(BIO_s_file()); | |
743 | if (io == NULL) | |
744 | { | |
745 | ERR_print_errors(bio_err); | |
746 | goto end; | |
747 | } | |
748 | ||
749 | if (BIO_read_filename(io,buf) <= 0) | |
750 | { | |
751 | if (!create) | |
752 | { | |
753 | perror(buf); | |
754 | goto end; | |
755 | } | |
756 | else | |
757 | { | |
758 | ASN1_INTEGER_set(bs,0); | |
759 | BN_zero(serial); | |
760 | } | |
761 | } | |
762 | else | |
763 | { | |
764 | if (!a2i_ASN1_INTEGER(io,bs,buf2,1024)) | |
765 | { | |
766 | BIO_printf(bio_err,"unable to load serial number from %s\n",buf); | |
767 | ERR_print_errors(bio_err); | |
768 | goto end; | |
769 | } | |
770 | else | |
771 | { | |
772 | serial=BN_bin2bn(bs->data,bs->length,serial); | |
773 | if (serial == NULL) | |
774 | { | |
775 | BIO_printf(bio_err,"error converting bin 2 bn"); | |
776 | goto end; | |
777 | } | |
778 | } | |
779 | } | |
780 | ||
781 | if (!BN_add_word(serial,1)) | |
782 | { BIO_printf(bio_err,"add_word failure\n"); goto end; } | |
783 | bs2.data=(unsigned char *)buf2; | |
784 | bs2.length=BN_bn2bin(serial,bs2.data); | |
785 | ||
786 | if (BIO_write_filename(io,buf) <= 0) | |
787 | { | |
788 | BIO_printf(bio_err,"error attempting to write serial number file\n"); | |
789 | perror(buf); | |
790 | goto end; | |
791 | } | |
792 | i2a_ASN1_INTEGER(io,&bs2); | |
793 | BIO_puts(io,"\n"); | |
794 | BIO_free(io); | |
795 | io=NULL; | |
796 | ||
797 | if (!X509_STORE_add_cert(ctx,x)) goto end; | |
798 | ||
799 | /* NOTE: this certificate can/should be self signed, unless it was | |
800 | * a certificate request in which case it is not. */ | |
801 | X509_STORE_CTX_set_cert(&xsc,x); | |
802 | if (!reqfile && !X509_verify_cert(&xsc)) | |
803 | goto end; | |
804 | ||
805 | if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end; | |
806 | if (!X509_set_serialNumber(x,bs)) goto end; | |
807 | ||
808 | if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL) | |
809 | goto end; | |
810 | ||
811 | /* hardwired expired */ | |
812 | if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL) | |
813 | goto end; | |
814 | ||
815 | /* don't save DSA parameters in child if parent has them. */ | |
816 | upkey=X509_get_pubkey(x); | |
817 | if (!EVP_PKEY_missing_parameters(pkey)) | |
818 | { | |
819 | EVP_PKEY_save_parameters(upkey,0); | |
820 | /* Force a re-write */ | |
821 | X509_set_pubkey(x,upkey); | |
822 | } | |
823 | ||
824 | if (!X509_sign(x,pkey,digest)) goto end; | |
825 | ret=1; | |
826 | end: | |
827 | X509_STORE_CTX_cleanup(&xsc); | |
828 | if (!ret) | |
829 | ERR_print_errors(bio_err); | |
830 | if (buf != NULL) Free(buf); | |
831 | if (bs != NULL) ASN1_INTEGER_free(bs); | |
832 | if (io != NULL) BIO_free(io); | |
833 | if (serial != NULL) BN_free(serial); | |
834 | return(ret); | |
835 | } | |
836 | ||
837 | static int MS_CALLBACK callb(ok, ctx) | |
838 | int ok; | |
839 | X509_STORE_CTX *ctx; | |
840 | { | |
841 | char buf[256]; | |
842 | int err; | |
843 | X509 *err_cert; | |
844 | ||
845 | /* it is ok to use a self signed certificate | |
846 | * This case will catch both the initial ok == 0 and the | |
847 | * final ok == 1 calls to this function */ | |
848 | err=X509_STORE_CTX_get_error(ctx); | |
849 | if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) | |
850 | return(1); | |
851 | ||
852 | /* BAD we should have gotten an error. Normally if everything | |
853 | * worked X509_STORE_CTX_get_error(ctx) will still be set to | |
854 | * DEPTH_ZERO_SELF_.... */ | |
855 | if (ok) | |
856 | { | |
857 | printf("error with certificate to be certified - should be self signed\n"); | |
858 | return(0); | |
859 | } | |
860 | else | |
861 | { | |
862 | err_cert=X509_STORE_CTX_get_current_cert(ctx); | |
863 | X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256); | |
864 | printf("%s\n",buf); | |
865 | printf("error with certificate - error %d at depth %d\n%s\n", | |
866 | err,X509_STORE_CTX_get_error_depth(ctx), | |
867 | X509_verify_cert_error_string(err)); | |
868 | return(1); | |
869 | } | |
870 | } | |
871 | ||
872 | static EVP_PKEY *load_key(file, format) | |
873 | char *file; | |
874 | int format; | |
875 | { | |
876 | BIO *key=NULL; | |
877 | EVP_PKEY *pkey=NULL; | |
878 | ||
879 | if (file == NULL) | |
880 | { | |
881 | BIO_printf(bio_err,"no keyfile specified\n"); | |
882 | goto end; | |
883 | } | |
884 | key=BIO_new(BIO_s_file()); | |
885 | if (key == NULL) | |
886 | { | |
887 | ERR_print_errors(bio_err); | |
888 | goto end; | |
889 | } | |
890 | if (BIO_read_filename(key,file) <= 0) | |
891 | { | |
892 | perror(file); | |
893 | goto end; | |
894 | } | |
895 | #ifndef NO_RSA | |
896 | if (format == FORMAT_ASN1) | |
897 | { | |
898 | RSA *rsa; | |
899 | ||
900 | rsa=d2i_RSAPrivateKey_bio(key,NULL); | |
901 | if (rsa != NULL) | |
902 | { | |
903 | if ((pkey=EVP_PKEY_new()) != NULL) | |
904 | EVP_PKEY_assign_RSA(pkey,rsa); | |
905 | else | |
906 | RSA_free(rsa); | |
907 | } | |
908 | } | |
909 | else | |
910 | #endif | |
911 | if (format == FORMAT_PEM) | |
912 | { | |
913 | pkey=PEM_read_bio_PrivateKey(key,NULL,NULL); | |
914 | } | |
915 | else | |
916 | { | |
917 | BIO_printf(bio_err,"bad input format specified for key\n"); | |
918 | goto end; | |
919 | } | |
920 | end: | |
921 | if (key != NULL) BIO_free(key); | |
922 | if (pkey == NULL) | |
923 | BIO_printf(bio_err,"unable to load Private Key\n"); | |
924 | return(pkey); | |
925 | } | |
926 | ||
927 | static X509 *load_cert(file, format) | |
928 | char *file; | |
929 | int format; | |
930 | { | |
931 | ASN1_HEADER *ah=NULL; | |
932 | BUF_MEM *buf=NULL; | |
933 | X509 *x=NULL; | |
934 | BIO *cert; | |
935 | ||
936 | if ((cert=BIO_new(BIO_s_file())) == NULL) | |
937 | { | |
938 | ERR_print_errors(bio_err); | |
939 | goto end; | |
940 | } | |
941 | ||
942 | if (file == NULL) | |
943 | BIO_set_fp(cert,stdin,BIO_NOCLOSE); | |
944 | else | |
945 | { | |
946 | if (BIO_read_filename(cert,file) <= 0) | |
947 | { | |
948 | perror(file); | |
949 | goto end; | |
950 | } | |
951 | } | |
952 | if (format == FORMAT_ASN1) | |
953 | x=d2i_X509_bio(cert,NULL); | |
954 | else if (format == FORMAT_NETSCAPE) | |
955 | { | |
956 | unsigned char *p,*op; | |
957 | int size=0,i; | |
958 | ||
959 | /* We sort of have to do it this way because it is sort of nice | |
960 | * to read the header first and check it, then | |
961 | * try to read the certificate */ | |
962 | buf=BUF_MEM_new(); | |
963 | for (;;) | |
964 | { | |
965 | if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10))) | |
966 | goto end; | |
967 | i=BIO_read(cert,&(buf->data[size]),1024*10); | |
968 | size+=i; | |
969 | if (i == 0) break; | |
970 | if (i < 0) | |
971 | { | |
972 | perror("reading certificate"); | |
973 | goto end; | |
974 | } | |
975 | } | |
976 | p=(unsigned char *)buf->data; | |
977 | op=p; | |
978 | ||
979 | /* First load the header */ | |
980 | if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL) | |
981 | goto end; | |
982 | if ((ah->header == NULL) || (ah->header->data == NULL) || | |
983 | (strncmp(CERT_HDR,(char *)ah->header->data, | |
984 | ah->header->length) != 0)) | |
985 | { | |
986 | BIO_printf(bio_err,"Error reading header on certificate\n"); | |
987 | goto end; | |
988 | } | |
989 | /* header is ok, so now read the object */ | |
990 | p=op; | |
991 | ah->meth=X509_asn1_meth(); | |
992 | if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL) | |
993 | goto end; | |
994 | x=(X509 *)ah->data; | |
995 | ah->data=NULL; | |
996 | } | |
997 | else if (format == FORMAT_PEM) | |
998 | x=PEM_read_bio_X509(cert,NULL,NULL); | |
999 | else { | |
1000 | BIO_printf(bio_err,"bad input format specified for input cert\n"); | |
1001 | goto end; | |
1002 | } | |
1003 | end: | |
1004 | if (x == NULL) | |
1005 | { | |
1006 | BIO_printf(bio_err,"unable to load certificate\n"); | |
1007 | ERR_print_errors(bio_err); | |
1008 | } | |
1009 | if (ah != NULL) ASN1_HEADER_free(ah); | |
1010 | if (cert != NULL) BIO_free(cert); | |
1011 | if (buf != NULL) BUF_MEM_free(buf); | |
1012 | return(x); | |
1013 | } | |
1014 | ||
1015 | /* self sign */ | |
1016 | static int sign(x, pkey, days, digest) | |
1017 | X509 *x; | |
1018 | EVP_PKEY *pkey; | |
1019 | int days; | |
1020 | EVP_MD *digest; | |
1021 | { | |
1022 | ||
1023 | EVP_PKEY_copy_parameters(X509_get_pubkey(x),pkey); | |
1024 | EVP_PKEY_save_parameters(X509_get_pubkey(x),1); | |
1025 | ||
1026 | if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err; | |
1027 | if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err; | |
1028 | ||
1029 | /* Lets just make it 12:00am GMT, Jan 1 1970 */ | |
1030 | /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */ | |
1031 | /* 28 days to be certified */ | |
1032 | ||
1033 | if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL) | |
1034 | goto err; | |
1035 | ||
1036 | if (!X509_set_pubkey(x,pkey)) goto err; | |
1037 | if (!X509_sign(x,pkey,digest)) goto err; | |
1038 | return(1); | |
1039 | err: | |
1040 | ERR_print_errors(bio_err); | |
1041 | return(0); | |
1042 | } |