namedb.h 3.3 KB

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  1. /*
  2. * Copyright (c) 1994, 1996
  3. * The Regents of the University of California. All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. All advertising materials mentioning features or use of this software
  14. * must display the following acknowledgement:
  15. * This product includes software developed by the Computer Systems
  16. * Engineering Group at Lawrence Berkeley Laboratory.
  17. * 4. Neither the name of the University nor of the Laboratory may be used
  18. * to endorse or promote products derived from this software without
  19. * specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31. * SUCH DAMAGE.
  32. */
  33. #ifndef lib_pcap_namedb_h
  34. #define lib_pcap_namedb_h
  35. #ifdef __cplusplus
  36. extern "C" {
  37. #endif
  38. /*
  39. * As returned by the pcap_next_etherent()
  40. * XXX this stuff doesn't belong in this interface, but this
  41. * library already must do name to address translation, so
  42. * on systems that don't have support for /etc/ethers, we
  43. * export these hooks since they're already being used by
  44. * some applications (such as tcpdump) and already being
  45. * marked as exported in some OSes offering libpcap (such
  46. * as Debian).
  47. */
  48. struct pcap_etherent {
  49. u_char addr[6];
  50. char name[122];
  51. };
  52. #ifndef PCAP_ETHERS_FILE
  53. #define PCAP_ETHERS_FILE "/etc/ethers"
  54. #endif
  55. PCAP_API struct pcap_etherent *pcap_next_etherent(FILE *);
  56. PCAP_API u_char *pcap_ether_hostton(const char*);
  57. PCAP_API u_char *pcap_ether_aton(const char *);
  58. PCAP_API bpf_u_int32 **pcap_nametoaddr(const char *);
  59. PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *);
  60. PCAP_API bpf_u_int32 pcap_nametonetaddr(const char *);
  61. PCAP_API int pcap_nametoport(const char *, int *, int *);
  62. PCAP_API int pcap_nametoportrange(const char *, int *, int *, int *);
  63. PCAP_API int pcap_nametoproto(const char *);
  64. PCAP_API int pcap_nametoeproto(const char *);
  65. PCAP_API int pcap_nametollc(const char *);
  66. /*
  67. * If a protocol is unknown, PROTO_UNDEF is returned.
  68. * Also, pcap_nametoport() returns the protocol along with the port number.
  69. * If there are ambiguous entried in /etc/services (i.e. domain
  70. * can be either tcp or udp) PROTO_UNDEF is returned.
  71. */
  72. #define PROTO_UNDEF -1
  73. #ifdef __cplusplus
  74. }
  75. #endif
  76. #endif