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phyus
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linux-vybrid_public
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شاخه‌ها تگ‌ها
linux-vybrid_pu...
/
security
/
selinux
/
include
/
xfrm.h

xfrm.h 2.3 KB
تاريخچه خام

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  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. int selinux_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx);
    11. 

  11. int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new);
    12. 

  12. void selinux_xfrm_policy_free(struct xfrm_policy *xp);
    13. 

  13. int selinux_xfrm_policy_delete(struct xfrm_policy *xp);
    14. 

  14. int selinux_xfrm_state_alloc(struct xfrm_state *x,
    15. 

  15. 	struct xfrm_user_sec_ctx *sec_ctx, struct xfrm_sec_ctx *pol, u32 secid);
    16. 

  16. void selinux_xfrm_state_free(struct xfrm_state *x);
    17. 

  17. int selinux_xfrm_state_delete(struct xfrm_state *x);
    18. 

  18. int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
    19. 

  19. int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
    20. 

  20. 			struct xfrm_policy *xp, struct flowi *fl);
    21. 

  21. int selinux_xfrm_flow_state_match(struct flowi *fl, struct xfrm_state *xfrm);
    22. 

  22. int selinux_xfrm_decode_session(struct sk_buff *skb, struct flowi *fl);
    23. 

  23. 

  24. 

  25. /*
    26. 

  26.  * Extract the security blob from the sock (it's actually on the socket)
    27. 

  27.  */
    28. 

  28. static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
    29. 

  29. {
    30. 

  30. 	if (!sk->sk_socket)
    31. 

  31. 		return NULL;
    32. 

  32. 

  33. 	return SOCK_INODE(sk->sk_socket)->i_security;
    34. 

  34. }
    35. 

  35. 

  36. 

  37. static inline u32 selinux_no_sk_sid(struct flowi *fl)
    38. 

  38. {
    39. 

  39. 	/* NOTE: no sock occurs on ICMP reply, forwards, ... */
    40. 

  40. 	/* icmp_reply: authorize as kernel packet */
    41. 

  41. 	if (fl && fl->proto == IPPROTO_ICMP) {
    42. 

  42. 		return SECINITSID_KERNEL;
    43. 

  43. 	}
    44. 

  44. 

  45. 	return SECINITSID_ANY_SOCKET;
    46. 

  46. }
    47. 

  47. 

  48. #ifdef CONFIG_SECURITY_NETWORK_XFRM
    49. 

  49. int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
    50. 

  50. 			struct avc_audit_data *ad);
    51. 

  51. int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
    52. 

  52. 			struct avc_audit_data *ad);
    53. 

  53. u32 selinux_socket_getpeer_stream(struct sock *sk);
    54. 

  54. u32 selinux_socket_getpeer_dgram(struct sk_buff *skb);
    55. 

  55. #else
    56. 

  56. static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
    57. 

  57. 			struct avc_audit_data *ad)
    58. 

  58. {
    59. 

  59. 	return 0;
    60. 

  60. }
    61. 

  61. 

  62. static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
    63. 

  63. 			struct avc_audit_data *ad)
    64. 

  64. {
    65. 

  65. 	return 0;
    66. 

  66. }
    67. 

  67. 

  68. static inline int selinux_socket_getpeer_stream(struct sock *sk)
    69. 

  69. {
    70. 

  70. 	return SECSID_NULL;
    71. 

  71. }
    72. 

  72. 

  73. static inline int selinux_socket_getpeer_dgram(struct sk_buff *skb)
    74. 

  74. {
    75. 

  75. 	return SECSID_NULL;
    76. 

  76. }
    77. 

  77. #endif
    78. 

  78. 

  79. #endif /* _SELINUX_XFRM_H_ */
    80.