auth_none.c 3.7 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. libc_hidden_proto(xdrmem_create)
  41. libc_hidden_proto(xdr_opaque_auth)
  42. #define MAX_MARSHAL_SIZE 20
  43. /*
  44. * Authenticator operations routines
  45. */
  46. static void authnone_verf (AUTH *);
  47. static void authnone_destroy (AUTH *);
  48. static bool_t authnone_marshal (AUTH *, XDR *);
  49. static bool_t authnone_validate (AUTH *, struct opaque_auth *);
  50. static bool_t authnone_refresh (AUTH *);
  51. static const struct auth_ops ops = {
  52. authnone_verf,
  53. authnone_marshal,
  54. authnone_validate,
  55. authnone_refresh,
  56. authnone_destroy
  57. };
  58. /* Internal data and routines */
  59. struct authnone_private_s {
  60. AUTH no_client;
  61. char marshalled_client[MAX_MARSHAL_SIZE];
  62. u_int mcnt;
  63. };
  64. #ifdef __UCLIBC_HAS_THREADS__
  65. #define authnone_private (*(struct authnone_private_s **)&RPC_THREAD_VARIABLE(authnone_private_s))
  66. #else
  67. static struct authnone_private_s *authnone_private;
  68. #endif
  69. libc_hidden_proto(authnone_create)
  70. AUTH *
  71. authnone_create (void)
  72. {
  73. struct authnone_private_s *ap;
  74. XDR xdr_stream;
  75. XDR *xdrs;
  76. ap = (struct authnone_private_s *) authnone_private;
  77. if (ap == NULL)
  78. {
  79. ap = (struct authnone_private_s *) calloc (1, sizeof (*ap));
  80. if (ap == NULL)
  81. return NULL;
  82. authnone_private = ap;
  83. }
  84. if (!ap->mcnt)
  85. {
  86. ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth;
  87. ap->no_client.ah_ops = (struct auth_ops *)&ops;
  88. xdrs = &xdr_stream;
  89. xdrmem_create (xdrs, ap->marshalled_client, (u_int) MAX_MARSHAL_SIZE,
  90. XDR_ENCODE);
  91. (void) xdr_opaque_auth (xdrs, &ap->no_client.ah_cred);
  92. (void) xdr_opaque_auth (xdrs, &ap->no_client.ah_verf);
  93. ap->mcnt = XDR_GETPOS (xdrs);
  94. XDR_DESTROY (xdrs);
  95. }
  96. return (&ap->no_client);
  97. }
  98. libc_hidden_def(authnone_create)
  99. static bool_t
  100. authnone_marshal (AUTH *client attribute_unused, XDR *xdrs)
  101. {
  102. struct authnone_private_s *ap;
  103. ap = authnone_private;
  104. if (ap == NULL)
  105. return FALSE;
  106. return (*xdrs->x_ops->x_putbytes) (xdrs, ap->marshalled_client, ap->mcnt);
  107. }
  108. static void
  109. authnone_verf (AUTH *auth attribute_unused)
  110. {
  111. }
  112. static bool_t
  113. authnone_validate (AUTH *auth attribute_unused, struct opaque_auth *oa attribute_unused)
  114. {
  115. return TRUE;
  116. }
  117. static bool_t
  118. authnone_refresh (AUTH *auth attribute_unused)
  119. {
  120. return FALSE;
  121. }
  122. static void
  123. authnone_destroy (AUTH *auth attribute_unused)
  124. {
  125. }