icmpd.lc 2.7 KB

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  1. /* include icmpd1 */
  2. #include "icmpd.h"## 1 ##src/icmpd/icmpd.c##
  3. int## 2 ##src/icmpd/icmpd.c##
  4. main(int argc, char **argv)## 3 ##src/icmpd/icmpd.c##
  5. {## 4 ##src/icmpd/icmpd.c##
  6. int i, sockfd;## 5 ##src/icmpd/icmpd.c##
  7. if (argc != 1)## 6 ##src/icmpd/icmpd.c##
  8. err_quit("usage: icmpd");## 7 ##src/icmpd/icmpd.c##
  9. maxi = -1; /* index into client[] array */## 8 ##src/icmpd/icmpd.c##
  10. for (i = 0; i < FD_SETSIZE; i++)## 9 ##src/icmpd/icmpd.c##
  11. client[i].connfd = -1; /* -1 indicates available entry */## 10 ##src/icmpd/icmpd.c##
  12. FD_ZERO(&allset);## 11 ##src/icmpd/icmpd.c##
  13. fd4 = Socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);## 12 ##src/icmpd/icmpd.c##
  14. FD_SET(fd4, &allset);## 13 ##src/icmpd/icmpd.c##
  15. maxfd = fd4;## 14 ##src/icmpd/icmpd.c##
  16. #ifdef IPV6## 15 ##src/icmpd/icmpd.c##
  17. fd6 = Socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);## 16 ##src/icmpd/icmpd.c##
  18. FD_SET(fd6, &allset);## 17 ##src/icmpd/icmpd.c##
  19. maxfd = max(maxfd, fd6);## 18 ##src/icmpd/icmpd.c##
  20. #endif## 19 ##src/icmpd/icmpd.c##
  21. listenfd = Tcp_listen("/unix", ICMPD_PATH, &addrlen);## 20 ##src/icmpd/icmpd.c##
  22. FD_SET(listenfd, &allset);## 21 ##src/icmpd/icmpd.c##
  23. maxfd = max(maxfd, listenfd);## 22 ##src/icmpd/icmpd.c##
  24. cliaddr = Malloc(addrlen);## 23 ##src/icmpd/icmpd.c##
  25. /* end icmpd1 */
  26. /* include icmpd2 */
  27. for (;;) {## 24 ##src/icmpd/icmpd.c##
  28. rset = allset;## 25 ##src/icmpd/icmpd.c##
  29. nready = Select(maxfd + 1, &rset, NULL, NULL, NULL);## 26 ##src/icmpd/icmpd.c##
  30. if (FD_ISSET(listenfd, &rset))## 27 ##src/icmpd/icmpd.c##
  31. if (readable_listen() <= 0)## 28 ##src/icmpd/icmpd.c##
  32. continue;## 29 ##src/icmpd/icmpd.c##
  33. if (FD_ISSET(fd4, &rset))## 30 ##src/icmpd/icmpd.c##
  34. if (readable_v4() <= 0)## 31 ##src/icmpd/icmpd.c##
  35. continue;## 32 ##src/icmpd/icmpd.c##
  36. #ifdef IPV6## 33 ##src/icmpd/icmpd.c##
  37. if (FD_ISSET(fd6, &rset))## 34 ##src/icmpd/icmpd.c##
  38. if (readable_v6() <= 0)## 35 ##src/icmpd/icmpd.c##
  39. continue;## 36 ##src/icmpd/icmpd.c##
  40. #endif## 37 ##src/icmpd/icmpd.c##
  41. for (i = 0; i <= maxi; i++) { /* check all clients for data */## 38 ##src/icmpd/icmpd.c##
  42. if ((sockfd = client[i].connfd) < 0)## 39 ##src/icmpd/icmpd.c##
  43. continue;## 40 ##src/icmpd/icmpd.c##
  44. if (FD_ISSET(sockfd, &rset))## 41 ##src/icmpd/icmpd.c##
  45. if (readable_conn(i) <= 0)## 42 ##src/icmpd/icmpd.c##
  46. break; /* no more readable descriptors */## 43 ##src/icmpd/icmpd.c##
  47. }## 44 ##src/icmpd/icmpd.c##
  48. }## 45 ##src/icmpd/icmpd.c##
  49. exit(0);## 46 ##src/icmpd/icmpd.c##
  50. }## 47 ##src/icmpd/icmpd.c##
  51. /* end icmpd2 */