Etusivu Tutki Apua
Rekisteröidy Kirjaudu sisään
phyus
/
linux-vybrid_public
8
0
Fork 0
Tiedostot Ongelmat 0 Pull-pyynnöt 0 Wiki
Puu: 817eff718d
Haarat Tagit
linux-vybrid_pu...
/
security
/
selinux
/
include
/
xfrm.h

xfrm.h 2.4 KB
Historia Raaka

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091 
  1. /*
    2. 

  2.  * SELinux support for the XFRM LSM hooks
    3. 

  3.  *
    4. 

  4.  * Author : Trent Jaeger, <jaegert@us.ibm.com>
    5. 

  5.  * Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com>
    6. 

  6.  */
    7. 

  7. #ifndef _SELINUX_XFRM_H_
    8. 

  8. #define _SELINUX_XFRM_H_
    9. 

  9. 

  10. #include <net/flow.h>
    11. 

  11. 

  12. int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
    13. 

  13. 			      struct xfrm_user_sec_ctx *uctx);
    14. 

  14. int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
    15. 

  15. 			      struct xfrm_sec_ctx **new_ctxp);
    16. 

  16. void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
    17. 

  17. int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
    18. 

  18. int selinux_xfrm_state_alloc(struct xfrm_state *x,
    19. 

  19. 			     struct xfrm_user_sec_ctx *uctx);
    20. 

  20. int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x,
    21. 

  21. 				     struct xfrm_sec_ctx *polsec, u32 secid);
    22. 

  22. void selinux_xfrm_state_free(struct xfrm_state *x);
    23. 

  23. int selinux_xfrm_state_delete(struct xfrm_state *x);
    24. 

  24. int selinux_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
    25. 

  25. int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
    26. 

  26. 				      struct xfrm_policy *xp,
    27. 

  27. 				      const struct flowi *fl);
    28. 

  28. 

  29. #ifdef CONFIG_SECURITY_NETWORK_XFRM
    30. 

  30. extern atomic_t selinux_xfrm_refcount;
    31. 

  31. 

  32. static inline int selinux_xfrm_enabled(void)
    33. 

  33. {
    34. 

  34. 	return (atomic_read(&selinux_xfrm_refcount) > 0);
    35. 

  35. }
    36. 

  36. 

  37. int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb,
    38. 

  38. 			      struct common_audit_data *ad);
    39. 

  39. int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb,
    40. 

  40. 				struct common_audit_data *ad, u8 proto);
    41. 

  41. int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
    42. 

  42. int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid);
    43. 

  43. 

  44. static inline void selinux_xfrm_notify_policyload(void)
    45. 

  45. {
    46. 

  46. 	struct net *net;
    47. 

  47. 

  48. 	atomic_inc(&flow_cache_genid);
    49. 

  49. 	rtnl_lock();
    50. 

  50. 	for_each_net(net)
    51. 

  51. 		rt_genid_bump_all(net);
    52. 

  52. 	rtnl_unlock();
    53. 

  53. }
    54. 

  54. #else
    55. 

  55. static inline int selinux_xfrm_enabled(void)
    56. 

  56. {
    57. 

  57. 	return 0;
    58. 

  58. }
    59. 

  59. 

  60. static inline int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb,
    61. 

  61. 					    struct common_audit_data *ad)
    62. 

  62. {
    63. 

  63. 	return 0;
    64. 

  64. }
    65. 

  65. 

  66. static inline int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb,
    67. 

  67. 					      struct common_audit_data *ad,
    68. 

  68. 					      u8 proto)
    69. 

  69. {
    70. 

  70. 	return 0;
    71. 

  71. }
    72. 

  72. 

  73. static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid,
    74. 

  74. 					      int ckall)
    75. 

  75. {
    76. 

  76. 	*sid = SECSID_NULL;
    77. 

  77. 	return 0;
    78. 

  78. }
    79. 

  79. 

  80. static inline void selinux_xfrm_notify_policyload(void)
    81. 

  81. {
    82. 

  82. }
    83. 

  83. 

  84. static inline int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid)
    85. 

  85. {
    86. 

  86. 	*sid = SECSID_NULL;
    87. 

  87. 	return 0;
    88. 

  88. }
    89. 

  89. #endif
    90. 

  90. 

  91. #endif /* _SELINUX_XFRM_H_ */
    92.