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pkcs7.c 8.3 KB

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  1. /* apps/pkcs7.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. #include <stdio.h>
  59. #include <stdlib.h>
  60. #include <string.h>
  61. #include <time.h>
  62. #include "apps.h"
  63. #include <openssl/err.h>
  64. #include <openssl/objects.h>
  65. #include <openssl/evp.h>
  66. #include <openssl/x509.h>
  67. #include <openssl/pkcs7.h>
  68. #include <openssl/pem.h>
  69. #undef PROG
  70. #define PROG pkcs7_main
  71. /* -inform arg - input format - default PEM (DER or PEM)
  72. * -outform arg - output format - default PEM
  73. * -in arg - input file - default stdin
  74. * -out arg - output file - default stdout
  75. * -print_certs
  76. */
  77. int MAIN(int, char **);
  78. int MAIN(int argc, char **argv)
  79. {
  80. #ifndef OPENSSL_NO_ENGINE
  81. ENGINE *e = NULL;
  82. #endif
  83. PKCS7 *p7=NULL;
  84. int i,badops=0;
  85. BIO *in=NULL,*out=NULL;
  86. int informat,outformat;
  87. char *infile,*outfile,*prog;
  88. int print_certs=0,text=0,noout=0,p7_print=0;
  89. int ret=1;
  90. #ifndef OPENSSL_NO_ENGINE
  91. char *engine=NULL;
  92. #endif
  93. apps_startup();
  94. if (bio_err == NULL)
  95. if ((bio_err=BIO_new(BIO_s_file())) != NULL)
  96. BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
  97. if (!load_config(bio_err, NULL))
  98. goto end;
  99. infile=NULL;
  100. outfile=NULL;
  101. informat=FORMAT_PEM;
  102. outformat=FORMAT_PEM;
  103. prog=argv[0];
  104. argc--;
  105. argv++;
  106. while (argc >= 1)
  107. {
  108. if (strcmp(*argv,"-inform") == 0)
  109. {
  110. if (--argc < 1) goto bad;
  111. informat=str2fmt(*(++argv));
  112. }
  113. else if (strcmp(*argv,"-outform") == 0)
  114. {
  115. if (--argc < 1) goto bad;
  116. outformat=str2fmt(*(++argv));
  117. }
  118. else if (strcmp(*argv,"-in") == 0)
  119. {
  120. if (--argc < 1) goto bad;
  121. infile= *(++argv);
  122. }
  123. else if (strcmp(*argv,"-out") == 0)
  124. {
  125. if (--argc < 1) goto bad;
  126. outfile= *(++argv);
  127. }
  128. else if (strcmp(*argv,"-noout") == 0)
  129. noout=1;
  130. else if (strcmp(*argv,"-text") == 0)
  131. text=1;
  132. else if (strcmp(*argv,"-print") == 0)
  133. p7_print=1;
  134. else if (strcmp(*argv,"-print_certs") == 0)
  135. print_certs=1;
  136. #ifndef OPENSSL_NO_ENGINE
  137. else if (strcmp(*argv,"-engine") == 0)
  138. {
  139. if (--argc < 1) goto bad;
  140. engine= *(++argv);
  141. }
  142. #endif
  143. else
  144. {
  145. BIO_printf(bio_err,"unknown option %s\n",*argv);
  146. badops=1;
  147. break;
  148. }
  149. argc--;
  150. argv++;
  151. }
  152. if (badops)
  153. {
  154. bad:
  155. BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
  156. BIO_printf(bio_err,"where options are\n");
  157. BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
  158. BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
  159. BIO_printf(bio_err," -in arg input file\n");
  160. BIO_printf(bio_err," -out arg output file\n");
  161. BIO_printf(bio_err," -print_certs print any certs or crl in the input\n");
  162. BIO_printf(bio_err," -text print full details of certificates\n");
  163. BIO_printf(bio_err," -noout don't output encoded data\n");
  164. #ifndef OPENSSL_NO_ENGINE
  165. BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
  166. #endif
  167. ret = 1;
  168. goto end;
  169. }
  170. ERR_load_crypto_strings();
  171. #ifndef OPENSSL_NO_ENGINE
  172. e = setup_engine(bio_err, engine, 0);
  173. #endif
  174. in=BIO_new(BIO_s_file());
  175. out=BIO_new(BIO_s_file());
  176. if ((in == NULL) || (out == NULL))
  177. {
  178. ERR_print_errors(bio_err);
  179. goto end;
  180. }
  181. if (infile == NULL)
  182. BIO_set_fp(in,stdin,BIO_NOCLOSE);
  183. else
  184. {
  185. if (BIO_read_filename(in,infile) <= 0)
  186. if (in == NULL)
  187. {
  188. perror(infile);
  189. goto end;
  190. }
  191. }
  192. if (informat == FORMAT_ASN1)
  193. p7=d2i_PKCS7_bio(in,NULL);
  194. else if (informat == FORMAT_PEM)
  195. p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
  196. else
  197. {
  198. BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
  199. goto end;
  200. }
  201. if (p7 == NULL)
  202. {
  203. BIO_printf(bio_err,"unable to load PKCS7 object\n");
  204. ERR_print_errors(bio_err);
  205. goto end;
  206. }
  207. if (outfile == NULL)
  208. {
  209. BIO_set_fp(out,stdout,BIO_NOCLOSE);
  210. #ifdef OPENSSL_SYS_VMS
  211. {
  212. BIO *tmpbio = BIO_new(BIO_f_linebuffer());
  213. out = BIO_push(tmpbio, out);
  214. }
  215. #endif
  216. }
  217. else
  218. {
  219. if (BIO_write_filename(out,outfile) <= 0)
  220. {
  221. perror(outfile);
  222. goto end;
  223. }
  224. }
  225. if (p7_print)
  226. PKCS7_print_ctx(out, p7, 0, NULL);
  227. if (print_certs)
  228. {
  229. STACK_OF(X509) *certs=NULL;
  230. STACK_OF(X509_CRL) *crls=NULL;
  231. i=OBJ_obj2nid(p7->type);
  232. switch (i)
  233. {
  234. case NID_pkcs7_signed:
  235. certs=p7->d.sign->cert;
  236. crls=p7->d.sign->crl;
  237. break;
  238. case NID_pkcs7_signedAndEnveloped:
  239. certs=p7->d.signed_and_enveloped->cert;
  240. crls=p7->d.signed_and_enveloped->crl;
  241. break;
  242. default:
  243. break;
  244. }
  245. if (certs != NULL)
  246. {
  247. X509 *x;
  248. for (i=0; i<sk_X509_num(certs); i++)
  249. {
  250. x=sk_X509_value(certs,i);
  251. if(text) X509_print(out, x);
  252. else dump_cert_text(out, x);
  253. if(!noout) PEM_write_bio_X509(out,x);
  254. BIO_puts(out,"\n");
  255. }
  256. }
  257. if (crls != NULL)
  258. {
  259. X509_CRL *crl;
  260. for (i=0; i<sk_X509_CRL_num(crls); i++)
  261. {
  262. crl=sk_X509_CRL_value(crls,i);
  263. X509_CRL_print(out, crl);
  264. if(!noout)PEM_write_bio_X509_CRL(out,crl);
  265. BIO_puts(out,"\n");
  266. }
  267. }
  268. ret=0;
  269. goto end;
  270. }
  271. if(!noout) {
  272. if (outformat == FORMAT_ASN1)
  273. i=i2d_PKCS7_bio(out,p7);
  274. else if (outformat == FORMAT_PEM)
  275. i=PEM_write_bio_PKCS7(out,p7);
  276. else {
  277. BIO_printf(bio_err,"bad output format specified for outfile\n");
  278. goto end;
  279. }
  280. if (!i)
  281. {
  282. BIO_printf(bio_err,"unable to write pkcs7 object\n");
  283. ERR_print_errors(bio_err);
  284. goto end;
  285. }
  286. }
  287. ret=0;
  288. end:
  289. if (p7 != NULL) PKCS7_free(p7);
  290. if (in != NULL) BIO_free(in);
  291. if (out != NULL) BIO_free_all(out);
  292. apps_shutdown();
  293. OPENSSL_EXIT(ret);
  294. }