gss_krb5.h 5.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159
  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. int seed_init;
  43. unsigned char seed[16];
  44. int signalg;
  45. int sealalg;
  46. struct crypto_tfm *enc;
  47. struct crypto_tfm *seq;
  48. s32 endtime;
  49. u32 seq_send;
  50. struct xdr_netobj mech_used;
  51. };
  52. #define KG_TOK_MIC_MSG 0x0101
  53. #define KG_TOK_WRAP_MSG 0x0201
  54. enum sgn_alg {
  55. SGN_ALG_DES_MAC_MD5 = 0x0000,
  56. SGN_ALG_MD2_5 = 0x0001,
  57. SGN_ALG_DES_MAC = 0x0002,
  58. SGN_ALG_3 = 0x0003, /* not published */
  59. SGN_ALG_HMAC_MD5 = 0x0011, /* microsoft w2k; no support */
  60. SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004
  61. };
  62. enum seal_alg {
  63. SEAL_ALG_NONE = 0xffff,
  64. SEAL_ALG_DES = 0x0000,
  65. SEAL_ALG_1 = 0x0001, /* not published */
  66. SEAL_ALG_MICROSOFT_RC4 = 0x0010,/* microsoft w2k; no support */
  67. SEAL_ALG_DES3KD = 0x0002
  68. };
  69. #define KRB5_CKSUM_LENGTH 8
  70. #define CKSUMTYPE_CRC32 0x0001
  71. #define CKSUMTYPE_RSA_MD4 0x0002
  72. #define CKSUMTYPE_RSA_MD4_DES 0x0003
  73. #define CKSUMTYPE_DESCBC 0x0004
  74. #define CKSUMTYPE_RSA_MD5 0x0007
  75. #define CKSUMTYPE_RSA_MD5_DES 0x0008
  76. #define CKSUMTYPE_NIST_SHA 0x0009
  77. #define CKSUMTYPE_HMAC_SHA1_DES3 0x000c
  78. /* from gssapi_err_krb5.h */
  79. #define KG_CCACHE_NOMATCH (39756032L)
  80. #define KG_KEYTAB_NOMATCH (39756033L)
  81. #define KG_TGT_MISSING (39756034L)
  82. #define KG_NO_SUBKEY (39756035L)
  83. #define KG_CONTEXT_ESTABLISHED (39756036L)
  84. #define KG_BAD_SIGN_TYPE (39756037L)
  85. #define KG_BAD_LENGTH (39756038L)
  86. #define KG_CTX_INCOMPLETE (39756039L)
  87. #define KG_CONTEXT (39756040L)
  88. #define KG_CRED (39756041L)
  89. #define KG_ENC_DESC (39756042L)
  90. #define KG_BAD_SEQ (39756043L)
  91. #define KG_EMPTY_CCACHE (39756044L)
  92. #define KG_NO_CTYPES (39756045L)
  93. /* per Kerberos v5 protocol spec crypto types from the wire.
  94. * these get mapped to linux kernel crypto routines.
  95. */
  96. #define ENCTYPE_NULL 0x0000
  97. #define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */
  98. #define ENCTYPE_DES_CBC_MD4 0x0002 /* DES cbc mode with RSA-MD4 */
  99. #define ENCTYPE_DES_CBC_MD5 0x0003 /* DES cbc mode with RSA-MD5 */
  100. #define ENCTYPE_DES_CBC_RAW 0x0004 /* DES cbc mode raw */
  101. /* XXX deprecated? */
  102. #define ENCTYPE_DES3_CBC_SHA 0x0005 /* DES-3 cbc mode with NIST-SHA */
  103. #define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */
  104. #define ENCTYPE_DES_HMAC_SHA1 0x0008
  105. #define ENCTYPE_DES3_CBC_SHA1 0x0010
  106. #define ENCTYPE_UNKNOWN 0x01ff
  107. s32
  108. make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
  109. int body_offset, struct xdr_netobj *cksum);
  110. u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
  111. struct xdr_netobj *);
  112. u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
  113. struct xdr_netobj *);
  114. u32
  115. gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset,
  116. struct xdr_buf *outbuf, struct page **pages);
  117. u32
  118. gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset,
  119. struct xdr_buf *buf);
  120. u32
  121. krb5_encrypt(struct crypto_tfm * key,
  122. void *iv, void *in, void *out, int length);
  123. u32
  124. krb5_decrypt(struct crypto_tfm * key,
  125. void *iv, void *in, void *out, int length);
  126. int
  127. gss_encrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *outbuf, int offset,
  128. struct page **pages);
  129. int
  130. gss_decrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *inbuf, int offset);
  131. s32
  132. krb5_make_seq_num(struct crypto_tfm * key,
  133. int direction,
  134. s32 seqnum, unsigned char *cksum, unsigned char *buf);
  135. s32
  136. krb5_get_seq_num(struct crypto_tfm * key,
  137. unsigned char *cksum,
  138. unsigned char *buf, int *direction, s32 * seqnum);