gss_krb5.h 5.4 KB

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  1. /*
  2. * linux/include/linux/sunrpc/gss_krb5_types.h
  3. *
  4. * Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h,
  5. * lib/gssapi/krb5/gssapiP_krb5.h, and others
  6. *
  7. * Copyright (c) 2000 The Regents of the University of Michigan.
  8. * All rights reserved.
  9. *
  10. * Andy Adamson <andros@umich.edu>
  11. * Bruce Fields <bfields@umich.edu>
  12. */
  13. /*
  14. * Copyright 1995 by the Massachusetts Institute of Technology.
  15. * All Rights Reserved.
  16. *
  17. * Export of this software from the United States of America may
  18. * require a specific license from the United States Government.
  19. * It is the responsibility of any person or organization contemplating
  20. * export to obtain such a license before exporting.
  21. *
  22. * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
  23. * distribute this software and its documentation for any purpose and
  24. * without fee is hereby granted, provided that the above copyright
  25. * notice appear in all copies and that both that copyright notice and
  26. * this permission notice appear in supporting documentation, and that
  27. * the name of M.I.T. not be used in advertising or publicity pertaining
  28. * to distribution of the software without specific, written prior
  29. * permission. Furthermore if you modify this software you must label
  30. * your software as modified software and not distribute it in such a
  31. * fashion that it might be confused with the original M.I.T. software.
  32. * M.I.T. makes no representations about the suitability of
  33. * this software for any purpose. It is provided "as is" without express
  34. * or implied warranty.
  35. *
  36. */
  37. #include <linux/sunrpc/auth_gss.h>
  38. #include <linux/sunrpc/gss_err.h>
  39. #include <linux/sunrpc/gss_asn1.h>
  40. struct krb5_ctx {
  41. int initiate; /* 1 = initiating, 0 = accepting */
  42. struct crypto_blkcipher *enc;
  43. struct crypto_blkcipher *seq;
  44. s32 endtime;
  45. u32 seq_send;
  46. struct xdr_netobj mech_used;
  47. };
  48. extern spinlock_t krb5_seq_lock;
  49. #define KG_TOK_MIC_MSG 0x0101
  50. #define KG_TOK_WRAP_MSG 0x0201
  51. enum sgn_alg {
  52. SGN_ALG_DES_MAC_MD5 = 0x0000,
  53. SGN_ALG_MD2_5 = 0x0001,
  54. SGN_ALG_DES_MAC = 0x0002,
  55. SGN_ALG_3 = 0x0003, /* not published */
  56. SGN_ALG_HMAC_MD5 = 0x0011, /* microsoft w2k; no support */
  57. SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004
  58. };
  59. enum seal_alg {
  60. SEAL_ALG_NONE = 0xffff,
  61. SEAL_ALG_DES = 0x0000,
  62. SEAL_ALG_1 = 0x0001, /* not published */
  63. SEAL_ALG_MICROSOFT_RC4 = 0x0010,/* microsoft w2k; no support */
  64. SEAL_ALG_DES3KD = 0x0002
  65. };
  66. #define KRB5_CKSUM_LENGTH 8
  67. #define CKSUMTYPE_CRC32 0x0001
  68. #define CKSUMTYPE_RSA_MD4 0x0002
  69. #define CKSUMTYPE_RSA_MD4_DES 0x0003
  70. #define CKSUMTYPE_DESCBC 0x0004
  71. #define CKSUMTYPE_RSA_MD5 0x0007
  72. #define CKSUMTYPE_RSA_MD5_DES 0x0008
  73. #define CKSUMTYPE_NIST_SHA 0x0009
  74. #define CKSUMTYPE_HMAC_SHA1_DES3 0x000c
  75. /* from gssapi_err_krb5.h */
  76. #define KG_CCACHE_NOMATCH (39756032L)
  77. #define KG_KEYTAB_NOMATCH (39756033L)
  78. #define KG_TGT_MISSING (39756034L)
  79. #define KG_NO_SUBKEY (39756035L)
  80. #define KG_CONTEXT_ESTABLISHED (39756036L)
  81. #define KG_BAD_SIGN_TYPE (39756037L)
  82. #define KG_BAD_LENGTH (39756038L)
  83. #define KG_CTX_INCOMPLETE (39756039L)
  84. #define KG_CONTEXT (39756040L)
  85. #define KG_CRED (39756041L)
  86. #define KG_ENC_DESC (39756042L)
  87. #define KG_BAD_SEQ (39756043L)
  88. #define KG_EMPTY_CCACHE (39756044L)
  89. #define KG_NO_CTYPES (39756045L)
  90. /* per Kerberos v5 protocol spec crypto types from the wire.
  91. * these get mapped to linux kernel crypto routines.
  92. */
  93. #define ENCTYPE_NULL 0x0000
  94. #define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */
  95. #define ENCTYPE_DES_CBC_MD4 0x0002 /* DES cbc mode with RSA-MD4 */
  96. #define ENCTYPE_DES_CBC_MD5 0x0003 /* DES cbc mode with RSA-MD5 */
  97. #define ENCTYPE_DES_CBC_RAW 0x0004 /* DES cbc mode raw */
  98. /* XXX deprecated? */
  99. #define ENCTYPE_DES3_CBC_SHA 0x0005 /* DES-3 cbc mode with NIST-SHA */
  100. #define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */
  101. #define ENCTYPE_DES_HMAC_SHA1 0x0008
  102. #define ENCTYPE_DES3_CBC_SHA1 0x0010
  103. #define ENCTYPE_UNKNOWN 0x01ff
  104. s32
  105. make_checksum(char *, char *header, int hdrlen, struct xdr_buf *body,
  106. int body_offset, struct xdr_netobj *cksum);
  107. u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
  108. struct xdr_netobj *);
  109. u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
  110. struct xdr_netobj *);
  111. u32
  112. gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset,
  113. struct xdr_buf *outbuf, struct page **pages);
  114. u32
  115. gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset,
  116. struct xdr_buf *buf);
  117. u32
  118. krb5_encrypt(struct crypto_blkcipher *key,
  119. void *iv, void *in, void *out, int length);
  120. u32
  121. krb5_decrypt(struct crypto_blkcipher *key,
  122. void *iv, void *in, void *out, int length);
  123. int
  124. gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *outbuf,
  125. int offset, struct page **pages);
  126. int
  127. gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *inbuf,
  128. int offset);
  129. s32
  130. krb5_make_seq_num(struct crypto_blkcipher *key,
  131. int direction,
  132. s32 seqnum, unsigned char *cksum, unsigned char *buf);
  133. s32
  134. krb5_get_seq_num(struct crypto_blkcipher *key,
  135. unsigned char *cksum,
  136. unsigned char *buf, int *direction, s32 * seqnum);