pkeyparam.c 5.3 KB

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  1. /* apps/pkeyparam.c */
  2. /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  3. * project 2006
  4. */
  5. /* ====================================================================
  6. * Copyright (c) 2006 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. #include <stdio.h>
  59. #include <string.h>
  60. #include "apps.h"
  61. #include <openssl/pem.h>
  62. #include <openssl/err.h>
  63. #include <openssl/evp.h>
  64. #define PROG pkeyparam_main
  65. int MAIN(int, char **);
  66. int MAIN(int argc, char **argv)
  67. {
  68. char **args, *infile = NULL, *outfile = NULL;
  69. BIO *in = NULL, *out = NULL;
  70. int text = 0, noout = 0;
  71. EVP_PKEY *pkey=NULL;
  72. int badarg = 0;
  73. #ifndef OPENSSL_NO_ENGINE
  74. ENGINE *e = NULL;
  75. char *engine=NULL;
  76. #endif
  77. int ret = 1;
  78. if (bio_err == NULL)
  79. bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  80. if (!load_config(bio_err, NULL))
  81. goto end;
  82. ERR_load_crypto_strings();
  83. OpenSSL_add_all_algorithms();
  84. args = argv + 1;
  85. while (!badarg && *args && *args[0] == '-')
  86. {
  87. if (!strcmp (*args, "-in"))
  88. {
  89. if (args[1])
  90. {
  91. args++;
  92. infile = *args;
  93. }
  94. else badarg = 1;
  95. }
  96. else if (!strcmp (*args, "-out"))
  97. {
  98. if (args[1])
  99. {
  100. args++;
  101. outfile = *args;
  102. }
  103. else badarg = 1;
  104. }
  105. #ifndef OPENSSL_NO_ENGINE
  106. else if (strcmp(*args,"-engine") == 0)
  107. {
  108. if (!args[1]) goto bad;
  109. engine= *(++args);
  110. }
  111. #endif
  112. else if (strcmp(*args,"-text") == 0)
  113. text=1;
  114. else if (strcmp(*args,"-noout") == 0)
  115. noout=1;
  116. args++;
  117. }
  118. if (badarg)
  119. {
  120. #ifndef OPENSSL_NO_ENGINE
  121. bad:
  122. #endif
  123. BIO_printf(bio_err, "Usage pkeyparam [options]\n");
  124. BIO_printf(bio_err, "where options are\n");
  125. BIO_printf(bio_err, "-in file input file\n");
  126. BIO_printf(bio_err, "-out file output file\n");
  127. BIO_printf(bio_err, "-text print parameters as text\n");
  128. BIO_printf(bio_err, "-noout don't output encoded parameters\n");
  129. #ifndef OPENSSL_NO_ENGINE
  130. BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
  131. #endif
  132. return 1;
  133. }
  134. #ifndef OPENSSL_NO_ENGINE
  135. e = setup_engine(bio_err, engine, 0);
  136. #endif
  137. if (infile)
  138. {
  139. if (!(in = BIO_new_file (infile, "r")))
  140. {
  141. BIO_printf(bio_err,
  142. "Can't open input file %s\n", infile);
  143. goto end;
  144. }
  145. }
  146. else
  147. in = BIO_new_fp (stdin, BIO_NOCLOSE);
  148. if (outfile)
  149. {
  150. if (!(out = BIO_new_file (outfile, "w")))
  151. {
  152. BIO_printf(bio_err,
  153. "Can't open output file %s\n", outfile);
  154. goto end;
  155. }
  156. }
  157. else
  158. {
  159. out = BIO_new_fp (stdout, BIO_NOCLOSE);
  160. #ifdef OPENSSL_SYS_VMS
  161. {
  162. BIO *tmpbio = BIO_new(BIO_f_linebuffer());
  163. out = BIO_push(tmpbio, out);
  164. }
  165. #endif
  166. }
  167. pkey = PEM_read_bio_Parameters(in, NULL);
  168. if (!pkey)
  169. {
  170. BIO_printf(bio_err, "Error reading parameters\n");
  171. ERR_print_errors(bio_err);
  172. goto end;
  173. }
  174. if (!noout)
  175. PEM_write_bio_Parameters(out,pkey);
  176. if (text)
  177. EVP_PKEY_print_params(out, pkey, 0, NULL);
  178. ret = 0;
  179. end:
  180. EVP_PKEY_free(pkey);
  181. BIO_free_all(out);
  182. BIO_free(in);
  183. return ret;
  184. }