auth_none.c 3.5 KB

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  1. /*
  2. * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  3. * unrestricted use provided that this legend is included on all tape
  4. * media and as a part of the software program in whole or part. Users
  5. * may copy or modify Sun RPC without charge, but are not authorized
  6. * to license or distribute it to anyone else except as part of a product or
  7. * program developed by the user.
  8. *
  9. * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  10. * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  11. * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  12. *
  13. * Sun RPC is provided with no support and without any obligation on the
  14. * part of Sun Microsystems, Inc. to assist in its use, correction,
  15. * modification or enhancement.
  16. *
  17. * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  18. * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  19. * OR ANY PART THEREOF.
  20. *
  21. * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  22. * or profits or other special, indirect and consequential damages, even if
  23. * Sun has been advised of the possibility of such damages.
  24. *
  25. * Sun Microsystems, Inc.
  26. * 2550 Garcia Avenue
  27. * Mountain View, California 94043
  28. */
  29. /*
  30. * Copyright (C) 1984, Sun Microsystems, Inc.
  31. */
  32. /*
  33. * auth_none.c
  34. * Creates a client authentication handle for passing "null"
  35. * credentials and verifiers to remote systems.
  36. */
  37. #define __FORCE_GLIBC
  38. #include <features.h>
  39. #include "rpc_private.h"
  40. #define MAX_MARSHEL_SIZE 20
  41. /*
  42. * Authenticator operations routines
  43. */
  44. static void authnone_verf (AUTH *);
  45. static void authnone_destroy (AUTH *);
  46. static bool_t authnone_marshal (AUTH *, XDR *);
  47. static bool_t authnone_validate (AUTH *, struct opaque_auth *);
  48. static bool_t authnone_refresh (AUTH *);
  49. static struct auth_ops ops = {
  50. authnone_verf,
  51. authnone_marshal,
  52. authnone_validate,
  53. authnone_refresh,
  54. authnone_destroy
  55. };
  56. struct authnone_private_s {
  57. AUTH no_client;
  58. char marshalled_client[MAX_MARSHEL_SIZE];
  59. u_int mcnt;
  60. };
  61. #ifdef __UCLIBC_HAS_THREADS__
  62. #define authnone_private ((struct authnone_private_s *)RPC_THREAD_VARIABLE(authnone_private_s))
  63. #else
  64. static struct authnone_private_s *authnone_private;
  65. #endif
  66. AUTH *
  67. authnone_create (void)
  68. {
  69. struct authnone_private_s *ap;
  70. XDR xdr_stream;
  71. XDR *xdrs;
  72. ap = (struct authnone_private_s *) authnone_private;
  73. if (ap == NULL)
  74. {
  75. ap = (struct authnone_private_s *) calloc (1, sizeof (*ap));
  76. if (ap == NULL)
  77. return NULL;
  78. authnone_private = ap;
  79. }
  80. if (!ap->mcnt)
  81. {
  82. ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
  83. ap->no_client.ah_ops = &ops;
  84. xdrs = &xdr_stream;
  85. xdrmem_create (xdrs, ap->marshalled_client, (u_int) MAX_MARSHEL_SIZE,
  86. XDR_ENCODE);
  87. (void) xdr_opaque_auth (xdrs, &ap->no_client.ah_cred);
  88. (void) xdr_opaque_auth (xdrs, &ap->no_client.ah_verf);
  89. ap->mcnt = XDR_GETPOS (xdrs);
  90. XDR_DESTROY (xdrs);
  91. }
  92. return (&ap->no_client);
  93. }
  94. /*ARGSUSED */
  95. static bool_t
  96. authnone_marshal (AUTH *client, XDR *xdrs)
  97. {
  98. struct authnone_private_s *ap;
  99. ap = (struct authnone_private_s *) authnone_private;
  100. if (ap == NULL)
  101. return FALSE;
  102. return (*xdrs->x_ops->x_putbytes) (xdrs, ap->marshalled_client, ap->mcnt);
  103. }
  104. static void
  105. authnone_verf (AUTH *auth)
  106. {
  107. }
  108. static bool_t
  109. authnone_validate (AUTH *auth, struct opaque_auth *oa)
  110. {
  111. return TRUE;
  112. }
  113. static bool_t
  114. authnone_refresh (AUTH *auth)
  115. {
  116. return FALSE;
  117. }
  118. static void
  119. authnone_destroy (AUTH *auth)
  120. {
  121. }