tree.h 3.0 KB

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  1. /* $Id: tree.h 2423 2010-03-13 07:09:49Z aturner $ */
  2. /*
  3. * Copyright (c) 2001-2010 Aaron Turner.
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. *
  10. * 1. Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. * 3. Neither the names of the copyright owners nor the names of its
  16. * contributors may be used to endorse or promote products derived from
  17. * this software without specific prior written permission.
  18. *
  19. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  20. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  21. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  23. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  25. * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  27. * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  28. * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  29. * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30. */
  31. #ifndef __TREE_H__
  32. #define __TREE_H__
  33. #include "lib/tree.h"
  34. #define TREEPRINTBUFFLEN 2048
  35. typedef struct tcpr_tree_s {
  36. RB_ENTRY(tcpr_tree_s) node;
  37. int family;
  38. union {
  39. unsigned long ip; /* ip/network address in network byte order */
  40. struct tcpr_in6_addr ip6;
  41. } u;
  42. u_char mac[ETHER_ADDR_LEN]; /* mac address of system */
  43. int masklen; /* CIDR network mask length */
  44. int server_cnt; /* count # of times this entry was flagged server */
  45. int client_cnt; /* flagged client */
  46. int type; /* 1 = server, 0 = client, -1 = undefined */
  47. } tcpr_tree_t;
  48. /*
  49. * replacement for RB_HEAD() which doesn't actually declare the root
  50. */
  51. typedef struct tcpr_data_tree_s {
  52. tcpr_tree_t *rbh_root;
  53. } tcpr_data_tree_t;
  54. typedef struct tcpr_buildcidr_s {
  55. int type; /* SERVER|CLIENT|UNKNOWN|ANY */
  56. int masklen; /* mask size to use to build the CIDR */
  57. } tcpr_buildcidr_t;
  58. #define DNS_QUERY_FLAG 0x8000
  59. void add_tree_ipv4(const unsigned long, const u_char *);
  60. void add_tree_ipv6(const struct tcpr_in6_addr *, const u_char *);
  61. void add_tree_first_ipv4(const u_char *);
  62. void add_tree_first_ipv6(const u_char *);
  63. tcpr_dir_t check_ip_tree(const int, const unsigned long);
  64. tcpr_dir_t check_ip6_tree(const int, const struct tcpr_in6_addr *);
  65. int process_tree();
  66. void tree_calculate(tcpr_data_tree_t *);
  67. int tree_comp(tcpr_tree_t *, tcpr_tree_t *);
  68. #endif