ciphers.c 6.6 KB

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  1. /* apps/ciphers.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. #ifdef OPENSSL_NO_STDIO
  62. #define APPS_WIN16
  63. #endif
  64. #include "apps.h"
  65. #include <openssl/err.h>
  66. #include <openssl/ssl.h>
  67. #undef PROG
  68. #define PROG ciphers_main
  69. static const char *ciphers_usage[]={
  70. "usage: ciphers args\n",
  71. " -v - verbose mode, a textual listing of the SSL/TLS ciphers in OpenSSL\n",
  72. " -V - even more verbose\n",
  73. " -ssl2 - SSL2 mode\n",
  74. " -ssl3 - SSL3 mode\n",
  75. " -tls1 - TLS1 mode\n",
  76. NULL
  77. };
  78. int MAIN(int, char **);
  79. int MAIN(int argc, char **argv)
  80. {
  81. int ret=1,i;
  82. int verbose=0,Verbose=0;
  83. const char **pp;
  84. const char *p;
  85. int badops=0;
  86. SSL_CTX *ctx=NULL;
  87. SSL *ssl=NULL;
  88. char *ciphers=NULL;
  89. const SSL_METHOD *meth=NULL;
  90. STACK_OF(SSL_CIPHER) *sk;
  91. char buf[512];
  92. BIO *STDout=NULL;
  93. #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
  94. meth=SSLv23_server_method();
  95. #elif !defined(OPENSSL_NO_SSL3)
  96. meth=SSLv3_server_method();
  97. #elif !defined(OPENSSL_NO_SSL2)
  98. meth=SSLv2_server_method();
  99. #endif
  100. apps_startup();
  101. if (bio_err == NULL)
  102. bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
  103. STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
  104. #ifdef OPENSSL_SYS_VMS
  105. {
  106. BIO *tmpbio = BIO_new(BIO_f_linebuffer());
  107. STDout = BIO_push(tmpbio, STDout);
  108. }
  109. #endif
  110. if (!load_config(bio_err, NULL))
  111. goto end;
  112. argc--;
  113. argv++;
  114. while (argc >= 1)
  115. {
  116. if (strcmp(*argv,"-v") == 0)
  117. verbose=1;
  118. else if (strcmp(*argv,"-V") == 0)
  119. verbose=Verbose=1;
  120. #ifndef OPENSSL_NO_SSL2
  121. else if (strcmp(*argv,"-ssl2") == 0)
  122. meth=SSLv2_client_method();
  123. #endif
  124. #ifndef OPENSSL_NO_SSL3
  125. else if (strcmp(*argv,"-ssl3") == 0)
  126. meth=SSLv3_client_method();
  127. #endif
  128. #ifndef OPENSSL_NO_TLS1
  129. else if (strcmp(*argv,"-tls1") == 0)
  130. meth=TLSv1_client_method();
  131. #endif
  132. else if ((strncmp(*argv,"-h",2) == 0) ||
  133. (strcmp(*argv,"-?") == 0))
  134. {
  135. badops=1;
  136. break;
  137. }
  138. else
  139. {
  140. ciphers= *argv;
  141. }
  142. argc--;
  143. argv++;
  144. }
  145. if (badops)
  146. {
  147. for (pp=ciphers_usage; (*pp != NULL); pp++)
  148. BIO_printf(bio_err,"%s",*pp);
  149. goto end;
  150. }
  151. OpenSSL_add_ssl_algorithms();
  152. ctx=SSL_CTX_new(meth);
  153. if (ctx == NULL) goto err;
  154. if (ciphers != NULL) {
  155. if(!SSL_CTX_set_cipher_list(ctx,ciphers)) {
  156. BIO_printf(bio_err, "Error in cipher list\n");
  157. goto err;
  158. }
  159. }
  160. ssl=SSL_new(ctx);
  161. if (ssl == NULL) goto err;
  162. if (!verbose)
  163. {
  164. for (i=0; ; i++)
  165. {
  166. p=SSL_get_cipher_list(ssl,i);
  167. if (p == NULL) break;
  168. if (i != 0) BIO_printf(STDout,":");
  169. BIO_printf(STDout,"%s",p);
  170. }
  171. BIO_printf(STDout,"\n");
  172. }
  173. else /* verbose */
  174. {
  175. sk=SSL_get_ciphers(ssl);
  176. for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
  177. {
  178. SSL_CIPHER *c;
  179. c = sk_SSL_CIPHER_value(sk,i);
  180. if (Verbose)
  181. {
  182. unsigned long id = c->id;
  183. int id0 = (int)(id >> 24);
  184. int id1 = (int)((id >> 16) & 0xffL);
  185. int id2 = (int)((id >> 8) & 0xffL);
  186. int id3 = (int)(id & 0xffL);
  187. if ((id & 0xff000000L) == 0x02000000L)
  188. BIO_printf(STDout, " 0x%02X,0x%02X,0x%02X - ", id1, id2, id3); /* SSL2 cipher */
  189. else if ((id & 0xff000000L) == 0x03000000L)
  190. BIO_printf(STDout, " 0x%02X,0x%02X - ", id2, id3); /* SSL3 cipher */
  191. else
  192. BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
  193. }
  194. BIO_puts(STDout,SSL_CIPHER_description(c,buf,sizeof buf));
  195. }
  196. }
  197. ret=0;
  198. if (0)
  199. {
  200. err:
  201. SSL_load_error_strings();
  202. ERR_print_errors(bio_err);
  203. }
  204. end:
  205. if (ctx != NULL) SSL_CTX_free(ctx);
  206. if (ssl != NULL) SSL_free(ssl);
  207. if (STDout != NULL) BIO_free_all(STDout);
  208. apps_shutdown();
  209. OPENSSL_EXIT(ret);
  210. }