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d02b48c6 | 1 | /* apps/crl2p7.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 | /* This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu> | |
60 | * and donated 'to the cause' along with lots and lots of other fixes to | |
61 | * the library. */ | |
62 | ||
63 | #include <stdio.h> | |
64 | #include <string.h> | |
65 | #include <sys/types.h> | |
d02b48c6 | 66 | #include "apps.h" |
ec577822 BM |
67 | #include <openssl/err.h> |
68 | #include <openssl/evp.h> | |
69 | #include <openssl/x509.h> | |
70 | #include <openssl/pkcs7.h> | |
71 | #include <openssl/pem.h> | |
72 | #include <openssl/objects.h> | |
d02b48c6 | 73 | |
f73e07cf | 74 | static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile); |
d02b48c6 RE |
75 | #undef PROG |
76 | #define PROG crl2pkcs7_main | |
77 | ||
1d97c843 TH |
78 | /*- |
79 | * -inform arg - input format - default PEM (DER or PEM) | |
d02b48c6 RE |
80 | * -outform arg - output format - default PEM |
81 | * -in arg - input file - default stdin | |
82 | * -out arg - output file - default stdout | |
83 | */ | |
84 | ||
667ac4ec RE |
85 | int MAIN(int, char **); |
86 | ||
6b691a5c | 87 | int MAIN(int argc, char **argv) |
d02b48c6 RE |
88 | { |
89 | int i,badops=0; | |
90 | BIO *in=NULL,*out=NULL; | |
91 | int informat,outformat; | |
92 | char *infile,*outfile,*prog,*certfile; | |
93 | PKCS7 *p7 = NULL; | |
94 | PKCS7_SIGNED *p7s = NULL; | |
95 | X509_CRL *crl=NULL; | |
c869da88 | 96 | STACK_OF(OPENSSL_STRING) *certflst=NULL; |
6d114240 | 97 | STACK_OF(X509_CRL) *crl_stack=NULL; |
f73e07cf | 98 | STACK_OF(X509) *cert_stack=NULL; |
d02b48c6 RE |
99 | int ret=1,nocrl=0; |
100 | ||
101 | apps_startup(); | |
102 | ||
103 | if (bio_err == NULL) | |
104 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 105 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
d02b48c6 RE |
106 | |
107 | infile=NULL; | |
108 | outfile=NULL; | |
109 | informat=FORMAT_PEM; | |
110 | outformat=FORMAT_PEM; | |
d02b48c6 RE |
111 | |
112 | prog=argv[0]; | |
113 | argc--; | |
114 | argv++; | |
115 | while (argc >= 1) | |
116 | { | |
117 | if (strcmp(*argv,"-inform") == 0) | |
118 | { | |
119 | if (--argc < 1) goto bad; | |
120 | informat=str2fmt(*(++argv)); | |
121 | } | |
122 | else if (strcmp(*argv,"-outform") == 0) | |
123 | { | |
124 | if (--argc < 1) goto bad; | |
125 | outformat=str2fmt(*(++argv)); | |
126 | } | |
127 | else if (strcmp(*argv,"-in") == 0) | |
128 | { | |
129 | if (--argc < 1) goto bad; | |
130 | infile= *(++argv); | |
131 | } | |
132 | else if (strcmp(*argv,"-nocrl") == 0) | |
133 | { | |
134 | nocrl=1; | |
135 | } | |
136 | else if (strcmp(*argv,"-out") == 0) | |
137 | { | |
138 | if (--argc < 1) goto bad; | |
139 | outfile= *(++argv); | |
140 | } | |
141 | else if (strcmp(*argv,"-certfile") == 0) | |
142 | { | |
143 | if (--argc < 1) goto bad; | |
c869da88 | 144 | if(!certflst) certflst = sk_OPENSSL_STRING_new_null(); |
d2aea038 DSH |
145 | if (!certflst) |
146 | goto end; | |
147 | if (!sk_OPENSSL_STRING_push(certflst,*(++argv))) | |
148 | { | |
149 | sk_OPENSSL_STRING_free(certflst); | |
150 | goto end; | |
151 | } | |
d02b48c6 RE |
152 | } |
153 | else | |
154 | { | |
155 | BIO_printf(bio_err,"unknown option %s\n",*argv); | |
156 | badops=1; | |
157 | break; | |
158 | } | |
159 | argc--; | |
160 | argv++; | |
161 | } | |
162 | ||
163 | if (badops) | |
164 | { | |
165 | bad: | |
166 | BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); | |
167 | BIO_printf(bio_err,"where options are\n"); | |
25f923dd DSH |
168 | BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); |
169 | BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); | |
9fe84296 | 170 | BIO_printf(bio_err," -in arg input file\n"); |
d02b48c6 RE |
171 | BIO_printf(bio_err," -out arg output file\n"); |
172 | BIO_printf(bio_err," -certfile arg certificates file of chain to a trusted CA\n"); | |
9fe84296 | 173 | BIO_printf(bio_err," (can be used more than once)\n"); |
d02b48c6 | 174 | BIO_printf(bio_err," -nocrl no crl to load, just certs from '-certfile'\n"); |
c04f8cf4 RL |
175 | ret = 1; |
176 | goto end; | |
d02b48c6 RE |
177 | } |
178 | ||
179 | ERR_load_crypto_strings(); | |
180 | ||
181 | in=BIO_new(BIO_s_file()); | |
182 | out=BIO_new(BIO_s_file()); | |
183 | if ((in == NULL) || (out == NULL)) | |
184 | { | |
185 | ERR_print_errors(bio_err); | |
186 | goto end; | |
187 | } | |
188 | ||
189 | if (!nocrl) | |
190 | { | |
191 | if (infile == NULL) | |
192 | BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
193 | else | |
194 | { | |
195 | if (BIO_read_filename(in,infile) <= 0) | |
196 | { | |
197 | perror(infile); | |
198 | goto end; | |
199 | } | |
200 | } | |
201 | ||
202 | if (informat == FORMAT_ASN1) | |
203 | crl=d2i_X509_CRL_bio(in,NULL); | |
204 | else if (informat == FORMAT_PEM) | |
74678cc2 | 205 | crl=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); |
d02b48c6 RE |
206 | else { |
207 | BIO_printf(bio_err,"bad input format specified for input crl\n"); | |
208 | goto end; | |
209 | } | |
210 | if (crl == NULL) | |
211 | { | |
212 | BIO_printf(bio_err,"unable to load CRL\n"); | |
213 | ERR_print_errors(bio_err); | |
214 | goto end; | |
215 | } | |
216 | } | |
217 | ||
218 | if ((p7=PKCS7_new()) == NULL) goto end; | |
219 | if ((p7s=PKCS7_SIGNED_new()) == NULL) goto end; | |
220 | p7->type=OBJ_nid2obj(NID_pkcs7_signed); | |
221 | p7->d.sign=p7s; | |
222 | p7s->contents->type=OBJ_nid2obj(NID_pkcs7_data); | |
223 | ||
224 | if (!ASN1_INTEGER_set(p7s->version,1)) goto end; | |
62324627 | 225 | if ((crl_stack=sk_X509_CRL_new_null()) == NULL) goto end; |
d02b48c6 RE |
226 | p7s->crl=crl_stack; |
227 | if (crl != NULL) | |
228 | { | |
6d114240 | 229 | sk_X509_CRL_push(crl_stack,crl); |
26a3a48d | 230 | crl=NULL; /* now part of p7 for OPENSSL_freeing */ |
d02b48c6 RE |
231 | } |
232 | ||
62324627 | 233 | if ((cert_stack=sk_X509_new_null()) == NULL) goto end; |
d02b48c6 RE |
234 | p7s->cert=cert_stack; |
235 | ||
c869da88 DSH |
236 | if(certflst) for(i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) { |
237 | certfile = sk_OPENSSL_STRING_value(certflst, i); | |
d02b48c6 RE |
238 | if (add_certs_from_file(cert_stack,certfile) < 0) |
239 | { | |
9fe84296 | 240 | BIO_printf(bio_err, "error loading certificates\n"); |
d02b48c6 RE |
241 | ERR_print_errors(bio_err); |
242 | goto end; | |
243 | } | |
9fe84296 DSH |
244 | } |
245 | ||
c869da88 | 246 | sk_OPENSSL_STRING_free(certflst); |
d02b48c6 RE |
247 | |
248 | if (outfile == NULL) | |
645749ef | 249 | { |
d02b48c6 | 250 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
bc36ee62 | 251 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
252 | { |
253 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
254 | out = BIO_push(tmpbio, out); | |
255 | } | |
256 | #endif | |
257 | } | |
d02b48c6 RE |
258 | else |
259 | { | |
260 | if (BIO_write_filename(out,outfile) <= 0) | |
261 | { | |
262 | perror(outfile); | |
263 | goto end; | |
264 | } | |
265 | } | |
266 | ||
267 | if (outformat == FORMAT_ASN1) | |
268 | i=i2d_PKCS7_bio(out,p7); | |
269 | else if (outformat == FORMAT_PEM) | |
270 | i=PEM_write_bio_PKCS7(out,p7); | |
271 | else { | |
272 | BIO_printf(bio_err,"bad output format specified for outfile\n"); | |
273 | goto end; | |
274 | } | |
275 | if (!i) | |
276 | { | |
277 | BIO_printf(bio_err,"unable to write pkcs7 object\n"); | |
278 | ERR_print_errors(bio_err); | |
279 | goto end; | |
280 | } | |
281 | ret=0; | |
282 | end: | |
283 | if (in != NULL) BIO_free(in); | |
645749ef | 284 | if (out != NULL) BIO_free_all(out); |
d02b48c6 RE |
285 | if (p7 != NULL) PKCS7_free(p7); |
286 | if (crl != NULL) X509_CRL_free(crl); | |
287 | ||
c04f8cf4 | 288 | apps_shutdown(); |
1c3e4a36 | 289 | OPENSSL_EXIT(ret); |
d02b48c6 RE |
290 | } |
291 | ||
c80fd6b2 | 292 | /*- |
d02b48c6 RE |
293 | *---------------------------------------------------------------------- |
294 | * int add_certs_from_file | |
295 | * | |
296 | * Read a list of certificates to be checked from a file. | |
297 | * | |
298 | * Results: | |
299 | * number of certs added if successful, -1 if not. | |
300 | *---------------------------------------------------------------------- | |
301 | */ | |
6b691a5c | 302 | static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile) |
d02b48c6 | 303 | { |
d02b48c6 RE |
304 | BIO *in=NULL; |
305 | int count=0; | |
306 | int ret= -1; | |
20b85fdd | 307 | STACK_OF(X509_INFO) *sk=NULL; |
d02b48c6 RE |
308 | X509_INFO *xi; |
309 | ||
d02b48c6 RE |
310 | in=BIO_new(BIO_s_file()); |
311 | if ((in == NULL) || (BIO_read_filename(in,certfile) <= 0)) | |
312 | { | |
9fe84296 | 313 | BIO_printf(bio_err,"error opening the file, %s\n",certfile); |
d02b48c6 RE |
314 | goto end; |
315 | } | |
316 | ||
317 | /* This loads from a file, a stack of x509/crl/pkey sets */ | |
74678cc2 | 318 | sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL); |
9fe84296 DSH |
319 | if (sk == NULL) { |
320 | BIO_printf(bio_err,"error reading the file, %s\n",certfile); | |
321 | goto end; | |
322 | } | |
d02b48c6 RE |
323 | |
324 | /* scan over it and pull out the CRL's */ | |
20b85fdd | 325 | while (sk_X509_INFO_num(sk)) |
d02b48c6 | 326 | { |
20b85fdd | 327 | xi=sk_X509_INFO_shift(sk); |
d02b48c6 RE |
328 | if (xi->x509 != NULL) |
329 | { | |
f73e07cf | 330 | sk_X509_push(stack,xi->x509); |
d02b48c6 RE |
331 | xi->x509=NULL; |
332 | count++; | |
333 | } | |
334 | X509_INFO_free(xi); | |
335 | } | |
336 | ||
337 | ret=count; | |
338 | end: | |
26a3a48d | 339 | /* never need to OPENSSL_free x */ |
d02b48c6 | 340 | if (in != NULL) BIO_free(in); |
20b85fdd | 341 | if (sk != NULL) sk_X509_INFO_free(sk); |
d02b48c6 RE |
342 | return(ret); |
343 | } | |
344 |