t_x509.c 13 KB

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  1. /* crypto/asn1/t_x509.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 "cryptlib.h"
  60. #include <openssl/buffer.h>
  61. #include <openssl/bn.h>
  62. #ifndef OPENSSL_NO_RSA
  63. #include <openssl/rsa.h>
  64. #endif
  65. #ifndef OPENSSL_NO_DSA
  66. #include <openssl/dsa.h>
  67. #endif
  68. #ifndef OPENSSL_NO_EC
  69. #include <openssl/ec.h>
  70. #endif
  71. #include <openssl/objects.h>
  72. #include <openssl/x509.h>
  73. #include <openssl/x509v3.h>
  74. #ifndef OPENSSL_NO_FP_API
  75. int X509_print_fp(FILE *fp, X509 *x)
  76. {
  77. return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
  78. }
  79. int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
  80. {
  81. BIO *b;
  82. int ret;
  83. if ((b=BIO_new(BIO_s_file())) == NULL)
  84. {
  85. X509err(X509_F_X509_PRINT_EX_FP,ERR_R_BUF_LIB);
  86. return(0);
  87. }
  88. BIO_set_fp(b,fp,BIO_NOCLOSE);
  89. ret=X509_print_ex(b, x, nmflag, cflag);
  90. BIO_free(b);
  91. return(ret);
  92. }
  93. #endif
  94. int X509_print(BIO *bp, X509 *x)
  95. {
  96. return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
  97. }
  98. int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
  99. {
  100. long l;
  101. int ret=0,i;
  102. char *m=NULL,mlch = ' ';
  103. int nmindent = 0;
  104. X509_CINF *ci;
  105. ASN1_INTEGER *bs;
  106. EVP_PKEY *pkey=NULL;
  107. const char *neg;
  108. if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
  109. mlch = '\n';
  110. nmindent = 12;
  111. }
  112. if(nmflags == X509_FLAG_COMPAT)
  113. nmindent = 16;
  114. ci=x->cert_info;
  115. if(!(cflag & X509_FLAG_NO_HEADER))
  116. {
  117. if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
  118. if (BIO_write(bp," Data:\n",10) <= 0) goto err;
  119. }
  120. if(!(cflag & X509_FLAG_NO_VERSION))
  121. {
  122. l=X509_get_version(x);
  123. if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
  124. }
  125. if(!(cflag & X509_FLAG_NO_SERIAL))
  126. {
  127. if (BIO_write(bp," Serial Number:",22) <= 0) goto err;
  128. bs=X509_get_serialNumber(x);
  129. if (bs->length <= 4)
  130. {
  131. l=ASN1_INTEGER_get(bs);
  132. if (l < 0)
  133. {
  134. l= -l;
  135. neg="-";
  136. }
  137. else
  138. neg="";
  139. if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
  140. goto err;
  141. }
  142. else
  143. {
  144. neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
  145. if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
  146. for (i=0; i<bs->length; i++)
  147. {
  148. if (BIO_printf(bp,"%02x%c",bs->data[i],
  149. ((i+1 == bs->length)?'\n':':')) <= 0)
  150. goto err;
  151. }
  152. }
  153. }
  154. if(!(cflag & X509_FLAG_NO_SIGNAME))
  155. {
  156. if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0)
  157. goto err;
  158. if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
  159. goto err;
  160. if (BIO_puts(bp, "\n") <= 0)
  161. goto err;
  162. }
  163. if(!(cflag & X509_FLAG_NO_ISSUER))
  164. {
  165. if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err;
  166. if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
  167. if (BIO_write(bp,"\n",1) <= 0) goto err;
  168. }
  169. if(!(cflag & X509_FLAG_NO_VALIDITY))
  170. {
  171. if (BIO_write(bp," Validity\n",17) <= 0) goto err;
  172. if (BIO_write(bp," Not Before: ",24) <= 0) goto err;
  173. if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
  174. if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err;
  175. if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
  176. if (BIO_write(bp,"\n",1) <= 0) goto err;
  177. }
  178. if(!(cflag & X509_FLAG_NO_SUBJECT))
  179. {
  180. if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err;
  181. if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err;
  182. if (BIO_write(bp,"\n",1) <= 0) goto err;
  183. }
  184. if(!(cflag & X509_FLAG_NO_PUBKEY))
  185. {
  186. if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0)
  187. goto err;
  188. if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
  189. goto err;
  190. if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
  191. goto err;
  192. if (BIO_puts(bp, "\n") <= 0)
  193. goto err;
  194. pkey=X509_get_pubkey(x);
  195. if (pkey == NULL)
  196. {
  197. BIO_printf(bp,"%12sUnable to load Public Key\n","");
  198. ERR_print_errors(bp);
  199. }
  200. else
  201. {
  202. EVP_PKEY_print_public(bp, pkey, 16, NULL);
  203. EVP_PKEY_free(pkey);
  204. }
  205. }
  206. if (!(cflag & X509_FLAG_NO_EXTENSIONS))
  207. X509V3_extensions_print(bp, "X509v3 extensions",
  208. ci->extensions, cflag, 8);
  209. if(!(cflag & X509_FLAG_NO_SIGDUMP))
  210. {
  211. if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
  212. }
  213. if(!(cflag & X509_FLAG_NO_AUX))
  214. {
  215. if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
  216. }
  217. ret=1;
  218. err:
  219. if (m != NULL) OPENSSL_free(m);
  220. return(ret);
  221. }
  222. int X509_ocspid_print (BIO *bp, X509 *x)
  223. {
  224. unsigned char *der=NULL ;
  225. unsigned char *dertmp;
  226. int derlen;
  227. int i;
  228. unsigned char SHA1md[SHA_DIGEST_LENGTH];
  229. /* display the hash of the subject as it would appear
  230. in OCSP requests */
  231. if (BIO_printf(bp," Subject OCSP hash: ") <= 0)
  232. goto err;
  233. derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
  234. if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
  235. goto err;
  236. i2d_X509_NAME(x->cert_info->subject, &dertmp);
  237. EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL);
  238. for (i=0; i < SHA_DIGEST_LENGTH; i++)
  239. {
  240. if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
  241. }
  242. OPENSSL_free (der);
  243. der=NULL;
  244. /* display the hash of the public key as it would appear
  245. in OCSP requests */
  246. if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0)
  247. goto err;
  248. EVP_Digest(x->cert_info->key->public_key->data,
  249. x->cert_info->key->public_key->length, SHA1md, NULL, EVP_sha1(), NULL);
  250. for (i=0; i < SHA_DIGEST_LENGTH; i++)
  251. {
  252. if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
  253. goto err;
  254. }
  255. BIO_printf(bp,"\n");
  256. return (1);
  257. err:
  258. if (der != NULL) OPENSSL_free(der);
  259. return(0);
  260. }
  261. int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
  262. {
  263. unsigned char *s;
  264. int i, n;
  265. if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0;
  266. if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
  267. n=sig->length;
  268. s=sig->data;
  269. for (i=0; i<n; i++)
  270. {
  271. if ((i%18) == 0)
  272. if (BIO_write(bp,"\n ",9) <= 0) return 0;
  273. if (BIO_printf(bp,"%02x%s",s[i],
  274. ((i+1) == n)?"":":") <= 0) return 0;
  275. }
  276. if (BIO_write(bp,"\n",1) != 1) return 0;
  277. return 1;
  278. }
  279. int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
  280. {
  281. int i,n;
  282. char buf[80];
  283. const char *p;
  284. if (v == NULL) return(0);
  285. n=0;
  286. p=(const char *)v->data;
  287. for (i=0; i<v->length; i++)
  288. {
  289. if ((p[i] > '~') || ((p[i] < ' ') &&
  290. (p[i] != '\n') && (p[i] != '\r')))
  291. buf[n]='.';
  292. else
  293. buf[n]=p[i];
  294. n++;
  295. if (n >= 80)
  296. {
  297. if (BIO_write(bp,buf,n) <= 0)
  298. return(0);
  299. n=0;
  300. }
  301. }
  302. if (n > 0)
  303. if (BIO_write(bp,buf,n) <= 0)
  304. return(0);
  305. return(1);
  306. }
  307. int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
  308. {
  309. if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
  310. if(tm->type == V_ASN1_GENERALIZEDTIME)
  311. return ASN1_GENERALIZEDTIME_print(bp, tm);
  312. BIO_write(bp,"Bad time value",14);
  313. return(0);
  314. }
  315. static const char *mon[12]=
  316. {
  317. "Jan","Feb","Mar","Apr","May","Jun",
  318. "Jul","Aug","Sep","Oct","Nov","Dec"
  319. };
  320. int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
  321. {
  322. char *v;
  323. int gmt=0;
  324. int i;
  325. int y=0,M=0,d=0,h=0,m=0,s=0;
  326. char *f = NULL;
  327. int f_len = 0;
  328. i=tm->length;
  329. v=(char *)tm->data;
  330. if (i < 12) goto err;
  331. if (v[i-1] == 'Z') gmt=1;
  332. for (i=0; i<12; i++)
  333. if ((v[i] > '9') || (v[i] < '0')) goto err;
  334. y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
  335. M= (v[4]-'0')*10+(v[5]-'0');
  336. if ((M > 12) || (M < 1)) goto err;
  337. d= (v[6]-'0')*10+(v[7]-'0');
  338. h= (v[8]-'0')*10+(v[9]-'0');
  339. m= (v[10]-'0')*10+(v[11]-'0');
  340. if ( (v[12] >= '0') && (v[12] <= '9') &&
  341. (v[13] >= '0') && (v[13] <= '9'))
  342. {
  343. s= (v[12]-'0')*10+(v[13]-'0');
  344. /* Check for fractions of seconds. */
  345. if (v[14] == '.')
  346. {
  347. int l = tm->length;
  348. f = &v[14]; /* The decimal point. */
  349. f_len = 1;
  350. while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
  351. ++f_len;
  352. }
  353. }
  354. if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
  355. mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
  356. return(0);
  357. else
  358. return(1);
  359. err:
  360. BIO_write(bp,"Bad time value",14);
  361. return(0);
  362. }
  363. int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
  364. {
  365. const char *v;
  366. int gmt=0;
  367. int i;
  368. int y=0,M=0,d=0,h=0,m=0,s=0;
  369. i=tm->length;
  370. v=(const char *)tm->data;
  371. if (i < 10) goto err;
  372. if (v[i-1] == 'Z') gmt=1;
  373. for (i=0; i<10; i++)
  374. if ((v[i] > '9') || (v[i] < '0')) goto err;
  375. y= (v[0]-'0')*10+(v[1]-'0');
  376. if (y < 50) y+=100;
  377. M= (v[2]-'0')*10+(v[3]-'0');
  378. if ((M > 12) || (M < 1)) goto err;
  379. d= (v[4]-'0')*10+(v[5]-'0');
  380. h= (v[6]-'0')*10+(v[7]-'0');
  381. m= (v[8]-'0')*10+(v[9]-'0');
  382. if ( (v[10] >= '0') && (v[10] <= '9') &&
  383. (v[11] >= '0') && (v[11] <= '9'))
  384. s= (v[10]-'0')*10+(v[11]-'0');
  385. if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
  386. mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
  387. return(0);
  388. else
  389. return(1);
  390. err:
  391. BIO_write(bp,"Bad time value",14);
  392. return(0);
  393. }
  394. int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
  395. {
  396. char *s,*c,*b;
  397. int ret=0,l,ll,i,first=1;
  398. ll=80-2-obase;
  399. b=s=X509_NAME_oneline(name,NULL,0);
  400. if (!*s)
  401. {
  402. OPENSSL_free(b);
  403. return 1;
  404. }
  405. s++; /* skip the first slash */
  406. l=ll;
  407. c=s;
  408. for (;;)
  409. {
  410. #ifndef CHARSET_EBCDIC
  411. if ( ((*s == '/') &&
  412. ((s[1] >= 'A') && (s[1] <= 'Z') && (
  413. (s[2] == '=') ||
  414. ((s[2] >= 'A') && (s[2] <= 'Z') &&
  415. (s[3] == '='))
  416. ))) ||
  417. (*s == '\0'))
  418. #else
  419. if ( ((*s == '/') &&
  420. (isupper(s[1]) && (
  421. (s[2] == '=') ||
  422. (isupper(s[2]) &&
  423. (s[3] == '='))
  424. ))) ||
  425. (*s == '\0'))
  426. #endif
  427. {
  428. if ((l <= 0) && !first)
  429. {
  430. first=0;
  431. if (BIO_write(bp,"\n",1) != 1) goto err;
  432. for (i=0; i<obase; i++)
  433. {
  434. if (BIO_write(bp," ",1) != 1) goto err;
  435. }
  436. l=ll;
  437. }
  438. i=s-c;
  439. if (BIO_write(bp,c,i) != i) goto err;
  440. c+=i;
  441. c++;
  442. if (*s != '\0')
  443. {
  444. if (BIO_write(bp,", ",2) != 2) goto err;
  445. }
  446. l--;
  447. }
  448. if (*s == '\0') break;
  449. s++;
  450. l--;
  451. }
  452. ret=1;
  453. if (0)
  454. {
  455. err:
  456. X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
  457. }
  458. OPENSSL_free(b);
  459. return(ret);
  460. }