fakepcapnav.c 2.9 KB

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  1. /* $Id: fakepcapnav.c 1897 2007-08-25 04:57:38Z aturner $ */
  2. /*
  3. * Copyright (c) 2001-2005 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. /* This file impliments a fake, non-functioning version of the libpcapnav
  32. * API based on libpcap. It's solely here for people who don't have
  33. * libpcapnav installed on their system, and to keep the code maintainable.
  34. */
  35. #include "config.h"
  36. #include "defines.h"
  37. #include "common.h"
  38. #include <stdlib.h>
  39. #ifndef HAVE_PCAPNAV
  40. /**
  41. * pcapnav_init does nothing!
  42. */
  43. void
  44. pcapnav_init(void)
  45. {
  46. return;
  47. }
  48. /**
  49. * pcapnav_open_offline opens a pcap file,
  50. * and creates the struct for our use
  51. */
  52. pcapnav_t *
  53. pcapnav_open_offline(const char *filename)
  54. {
  55. pcapnav_t *pcapnav;
  56. char errbuf[PCAP_ERRBUF_SIZE];
  57. pcapnav = (pcapnav_t *) malloc(sizeof(pcapnav_t));
  58. if (pcapnav == NULL) {
  59. err(1, "malloc() error: unable to malloc pcapnav_t");
  60. }
  61. pcapnav->pcap = pcap_open_offline(filename, errbuf);
  62. if (pcapnav->pcap == NULL) {
  63. errx(1, "Error opening pcap file %s: %s", filename, errbuf);
  64. }
  65. return (pcapnav);
  66. }
  67. /**
  68. * closes our pcap file and free's the pcapnav
  69. */
  70. void
  71. pcapnav_close(pcapnav_t * pcapnav)
  72. {
  73. pcap_close(pcapnav->pcap);
  74. safe_free(pcapnav);
  75. }
  76. /**
  77. * returns the pcap_t data struct
  78. */
  79. pcap_t *
  80. pcapnav_pcap(pcapnav_t * pcapnav)
  81. {
  82. return (pcapnav->pcap);
  83. }
  84. #endif
  85. /*
  86. Local Variables:
  87. mode:c
  88. indent-tabs-mode:nil
  89. c-basic-offset:4
  90. End:
  91. */