ciphers.c 6.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201
  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 ciphers in SSLeay\n",
  72. " -ssl2 - SSL2 mode\n",
  73. " -ssl3 - SSL3 mode\n",
  74. " -tls1 - TLS1 mode\n",
  75. NULL
  76. };
  77. int MAIN(int, char **);
  78. int MAIN(int argc, char **argv)
  79. {
  80. int ret = 1, i;
  81. int verbose = 0;
  82. const char **pp;
  83. const char *p;
  84. int badops = 0;
  85. SSL_CTX *ctx = NULL;
  86. SSL *ssl = NULL;
  87. char *ciphers = NULL;
  88. SSL_METHOD *meth = NULL;
  89. STACK_OF(SSL_CIPHER) *sk;
  90. char buf[512];
  91. BIO *STDout = NULL;
  92. #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
  93. meth = SSLv23_server_method();
  94. #elif !defined(OPENSSL_NO_SSL3)
  95. meth = SSLv3_server_method();
  96. #elif !defined(OPENSSL_NO_SSL2)
  97. meth = SSLv2_server_method();
  98. #endif
  99. apps_startup();
  100. if (bio_err == NULL)
  101. bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
  102. STDout = BIO_new_fp(stdout, BIO_NOCLOSE);
  103. #ifdef OPENSSL_SYS_VMS
  104. {
  105. BIO *tmpbio = BIO_new(BIO_f_linebuffer());
  106. STDout = BIO_push(tmpbio, STDout);
  107. }
  108. #endif
  109. argc--;
  110. argv++;
  111. while (argc >= 1) {
  112. if (strcmp(*argv, "-v") == 0)
  113. verbose = 1;
  114. #ifndef OPENSSL_NO_SSL2
  115. else if (strcmp(*argv, "-ssl2") == 0)
  116. meth = SSLv2_client_method();
  117. #endif
  118. #ifndef OPENSSL_NO_SSL3
  119. else if (strcmp(*argv, "-ssl3") == 0)
  120. meth = SSLv3_client_method();
  121. #endif
  122. #ifndef OPENSSL_NO_TLS1
  123. else if (strcmp(*argv, "-tls1") == 0)
  124. meth = TLSv1_client_method();
  125. #endif
  126. else if ((strncmp(*argv, "-h", 2) == 0) || (strcmp(*argv, "-?") == 0)) {
  127. badops = 1;
  128. break;
  129. } else {
  130. ciphers = *argv;
  131. }
  132. argc--;
  133. argv++;
  134. }
  135. if (badops) {
  136. for (pp = ciphers_usage; (*pp != NULL); pp++)
  137. BIO_printf(bio_err, "%s", *pp);
  138. goto end;
  139. }
  140. OpenSSL_add_ssl_algorithms();
  141. ctx = SSL_CTX_new(meth);
  142. if (ctx == NULL)
  143. goto err;
  144. if (ciphers != NULL) {
  145. if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
  146. BIO_printf(bio_err, "Error in cipher list\n");
  147. goto err;
  148. }
  149. }
  150. ssl = SSL_new(ctx);
  151. if (ssl == NULL)
  152. goto err;
  153. if (!verbose) {
  154. for (i = 0;; i++) {
  155. p = SSL_get_cipher_list(ssl, i);
  156. if (p == NULL)
  157. break;
  158. if (i != 0)
  159. BIO_printf(STDout, ":");
  160. BIO_printf(STDout, "%s", p);
  161. }
  162. BIO_printf(STDout, "\n");
  163. } else {
  164. sk = SSL_get_ciphers(ssl);
  165. for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
  166. BIO_puts(STDout,
  167. SSL_CIPHER_description(sk_SSL_CIPHER_value(sk, i), buf,
  168. sizeof buf));
  169. }
  170. }
  171. ret = 0;
  172. if (0) {
  173. err:
  174. SSL_load_error_strings();
  175. ERR_print_errors(bio_err);
  176. }
  177. end:
  178. if (ctx != NULL)
  179. SSL_CTX_free(ctx);
  180. if (ssl != NULL)
  181. SSL_free(ssl);
  182. if (STDout != NULL)
  183. BIO_free_all(STDout);
  184. apps_shutdown();
  185. OPENSSL_EXIT(ret);
  186. }