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