v3_prn.c 7.0 KB

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  1. /* v3_prn.c */
  2. /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
  3. * project 1999.
  4. */
  5. /* ====================================================================
  6. * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
  7. *
  8. * Redistribution and use in source and binary forms, with or without
  9. * modification, are permitted provided that the following conditions
  10. * are met:
  11. *
  12. * 1. Redistributions of source code must retain the above copyright
  13. * notice, this list of conditions and the following disclaimer.
  14. *
  15. * 2. Redistributions in binary form must reproduce the above copyright
  16. * notice, this list of conditions and the following disclaimer in
  17. * the documentation and/or other materials provided with the
  18. * distribution.
  19. *
  20. * 3. All advertising materials mentioning features or use of this
  21. * software must display the following acknowledgment:
  22. * "This product includes software developed by the OpenSSL Project
  23. * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24. *
  25. * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26. * endorse or promote products derived from this software without
  27. * prior written permission. For written permission, please contact
  28. * licensing@OpenSSL.org.
  29. *
  30. * 5. Products derived from this software may not be called "OpenSSL"
  31. * nor may "OpenSSL" appear in their names without prior written
  32. * permission of the OpenSSL Project.
  33. *
  34. * 6. Redistributions of any form whatsoever must retain the following
  35. * acknowledgment:
  36. * "This product includes software developed by the OpenSSL Project
  37. * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38. *
  39. * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40. * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43. * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50. * OF THE POSSIBILITY OF SUCH DAMAGE.
  51. * ====================================================================
  52. *
  53. * This product includes cryptographic software written by Eric Young
  54. * (eay@cryptsoft.com). This product includes software written by Tim
  55. * Hudson (tjh@cryptsoft.com).
  56. *
  57. */
  58. /* X509 v3 extension utilities */
  59. #include <stdio.h>
  60. #include "cryptlib.h"
  61. #include <openssl/conf.h>
  62. #include <openssl/x509v3.h>
  63. /* Extension printing routines */
  64. static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported);
  65. /* Print out a name+value stack */
  66. void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml)
  67. {
  68. int i;
  69. CONF_VALUE *nval;
  70. if(!val) return;
  71. if(!ml || !sk_CONF_VALUE_num(val)) {
  72. BIO_printf(out, "%*s", indent, "");
  73. if(!sk_CONF_VALUE_num(val)) BIO_puts(out, "<EMPTY>\n");
  74. }
  75. for(i = 0; i < sk_CONF_VALUE_num(val); i++) {
  76. if(ml) BIO_printf(out, "%*s", indent, "");
  77. else if(i > 0) BIO_printf(out, ", ");
  78. nval = sk_CONF_VALUE_value(val, i);
  79. if(!nval->name) BIO_puts(out, nval->value);
  80. else if(!nval->value) BIO_puts(out, nval->name);
  81. #ifndef CHARSET_EBCDIC
  82. else BIO_printf(out, "%s:%s", nval->name, nval->value);
  83. #else
  84. else {
  85. int len;
  86. char *tmp;
  87. len = strlen(nval->value)+1;
  88. tmp = OPENSSL_malloc(len);
  89. if (tmp)
  90. {
  91. ascii2ebcdic(tmp, nval->value, len);
  92. BIO_printf(out, "%s:%s", nval->name, tmp);
  93. OPENSSL_free(tmp);
  94. }
  95. }
  96. #endif
  97. if(ml) BIO_puts(out, "\n");
  98. }
  99. }
  100. /* Main routine: print out a general extension */
  101. int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent)
  102. {
  103. void *ext_str = NULL;
  104. char *value = NULL;
  105. const unsigned char *p;
  106. X509V3_EXT_METHOD *method;
  107. STACK_OF(CONF_VALUE) *nval = NULL;
  108. int ok = 1;
  109. if(!(method = X509V3_EXT_get(ext)))
  110. return unknown_ext_print(out, ext, flag, indent, 0);
  111. p = ext->value->data;
  112. if(method->it) ext_str = ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it));
  113. else ext_str = method->d2i(NULL, &p, ext->value->length);
  114. if(!ext_str) return unknown_ext_print(out, ext, flag, indent, 1);
  115. if(method->i2s) {
  116. if(!(value = method->i2s(method, ext_str))) {
  117. ok = 0;
  118. goto err;
  119. }
  120. #ifndef CHARSET_EBCDIC
  121. BIO_printf(out, "%*s%s", indent, "", value);
  122. #else
  123. {
  124. int len;
  125. char *tmp;
  126. len = strlen(value)+1;
  127. tmp = OPENSSL_malloc(len);
  128. if (tmp)
  129. {
  130. ascii2ebcdic(tmp, value, len);
  131. BIO_printf(out, "%*s%s", indent, "", tmp);
  132. OPENSSL_free(tmp);
  133. }
  134. }
  135. #endif
  136. } else if(method->i2v) {
  137. if(!(nval = method->i2v(method, ext_str, NULL))) {
  138. ok = 0;
  139. goto err;
  140. }
  141. X509V3_EXT_val_prn(out, nval, indent,
  142. method->ext_flags & X509V3_EXT_MULTILINE);
  143. } else if(method->i2r) {
  144. if(!method->i2r(method, ext_str, out, indent)) ok = 0;
  145. } else ok = 0;
  146. err:
  147. sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
  148. if(value) OPENSSL_free(value);
  149. if(method->it) ASN1_item_free(ext_str, ASN1_ITEM_ptr(method->it));
  150. else method->ext_free(ext_str);
  151. return ok;
  152. }
  153. int X509V3_extensions_print(BIO *bp, char *title, STACK_OF(X509_EXTENSION) *exts, unsigned long flag, int indent)
  154. {
  155. int i, j;
  156. if(sk_X509_EXTENSION_num(exts) <= 0) return 1;
  157. if(title)
  158. {
  159. BIO_printf(bp,"%*s%s:\n",indent, "", title);
  160. indent += 4;
  161. }
  162. for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
  163. {
  164. ASN1_OBJECT *obj;
  165. X509_EXTENSION *ex;
  166. ex=sk_X509_EXTENSION_value(exts, i);
  167. if (indent && BIO_printf(bp,"%*s",indent, "") <= 0) return 0;
  168. obj=X509_EXTENSION_get_object(ex);
  169. i2a_ASN1_OBJECT(bp,obj);
  170. j=X509_EXTENSION_get_critical(ex);
  171. if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
  172. return 0;
  173. if(!X509V3_EXT_print(bp, ex, flag, indent + 4))
  174. {
  175. BIO_printf(bp, "%*s", indent + 4, "");
  176. M_ASN1_OCTET_STRING_print(bp,ex->value);
  177. }
  178. if (BIO_write(bp,"\n",1) <= 0) return 0;
  179. }
  180. return 1;
  181. }
  182. static int unknown_ext_print(BIO *out, X509_EXTENSION *ext, unsigned long flag, int indent, int supported)
  183. {
  184. switch(flag & X509V3_EXT_UNKNOWN_MASK) {
  185. case X509V3_EXT_DEFAULT:
  186. return 0;
  187. case X509V3_EXT_ERROR_UNKNOWN:
  188. if(supported)
  189. BIO_printf(out, "%*s<Parse Error>", indent, "");
  190. else
  191. BIO_printf(out, "%*s<Not Supported>", indent, "");
  192. return 1;
  193. case X509V3_EXT_PARSE_UNKNOWN:
  194. return ASN1_parse_dump(out,
  195. ext->value->data, ext->value->length, indent, -1);
  196. case X509V3_EXT_DUMP_UNKNOWN:
  197. return BIO_dump_indent(out, (char *)ext->value->data, ext->value->length, indent);
  198. default:
  199. return 1;
  200. }
  201. }
  202. #ifndef OPENSSL_NO_FP_API
  203. int X509V3_EXT_print_fp(FILE *fp, X509_EXTENSION *ext, int flag, int indent)
  204. {
  205. BIO *bio_tmp;
  206. int ret;
  207. if(!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE))) return 0;
  208. ret = X509V3_EXT_print(bio_tmp, ext, flag, indent);
  209. BIO_free(bio_tmp);
  210. return ret;
  211. }
  212. #endif