| 1 | /* Modified by: xChaos, 20131028 */ |
| 2 | |
| 3 | #include "cll1-0.6.2.h" |
| 4 | #include "ipstruct.h" |
| 5 | |
| 6 | #define STRLEN 512 |
| 7 | |
| 8 | extern struct IP *ips, *networks; |
| 9 | |
| 10 | struct IP* find_network_for_ip(char *ipaddr_orig) |
| 11 | { |
| 12 | struct IP *network; |
| 13 | char *netaddr, *lastnum, *ipaddr; |
| 14 | int ipnum, netnum; |
| 15 | |
| 16 | duplicate(ipaddr_orig, ipaddr); |
| 17 | lastnum = strrchr(ipaddr, '.'); |
| 18 | if(lastnum) |
| 19 | { |
| 20 | ipnum = atoi(lastnum + 1); |
| 21 | *lastnum = 0; |
| 22 | } |
| 23 | |
| 24 | for_each(network, networks) |
| 25 | { |
| 26 | duplicate(network->addr, netaddr); |
| 27 | lastnum = strrchr(netaddr, '.'); |
| 28 | if(lastnum) |
| 29 | { |
| 30 | netnum = atoi(lastnum + 1); |
| 31 | *lastnum = 0; |
| 32 | // printf("%s/%d + %d\n",network->addr,network->mask,(1<<(32-network->mask))); |
| 33 | if( eq(netaddr, ipaddr) |
| 34 | and netnum + (1<<(32-network->mask)) > ipnum |
| 35 | and netnum <= ipnum) |
| 36 | { |
| 37 | return network; |
| 38 | } |
| 39 | } |
| 40 | } |
| 41 | return NULL; |
| 42 | } |
| 43 | |
| 44 | void analyse_topology(char *traceroute) |
| 45 | { |
| 46 | char *buf, *netaddr, *ptr, *lastnum, *str; |
| 47 | int col, gateway, netnum, tracert; |
| 48 | struct IP *network=NULL, *ip; |
| 49 | |
| 50 | for_each(ip, networks) |
| 51 | { |
| 52 | printf("%s/%d %s min=%d max=%d sum=%d\n",ip->addr, ip->mask, ip->name, ip->min, ip->max, ip->desired); |
| 53 | } |
| 54 | |
| 55 | /*-----------------------------------------------------------------*/ |
| 56 | puts("Analysing network topology ..."); |
| 57 | /*-----------------------------------------------------------------*/ |
| 58 | for_each(ip, networks) |
| 59 | { |
| 60 | printf("%s/%d %s\n",ip->addr, ip->mask, ip->name); |
| 61 | duplicate(ip->addr, buf); |
| 62 | lastnum = strrchr(buf, '.'); |
| 63 | if(lastnum) |
| 64 | { |
| 65 | gateway = atoi(lastnum + 1) + 1; /* this is just common rule... */ |
| 66 | *lastnum = 0; |
| 67 | string(str,STRLEN); |
| 68 | sprintf(str, traceroute, buf, gateway); |
| 69 | shell(str); |
| 70 | input(str,STRLEN) |
| 71 | { |
| 72 | if( not strstr(str, "traceroute") |
| 73 | and not strstr(str, "* * *")) |
| 74 | { |
| 75 | printf("%s",str); |
| 76 | duplicate(str, buf); |
| 77 | valid_columns(ptr, buf, ' ', col) |
| 78 | if(*ptr=='*') |
| 79 | { |
| 80 | col--; |
| 81 | } |
| 82 | else if(col==2) |
| 83 | { |
| 84 | printf("via [%s]\n", ptr); |
| 85 | network = find_network_for_ip(ptr); |
| 86 | if(network) |
| 87 | { |
| 88 | network->min += ip->min; |
| 89 | network->desired += ip->max; |
| 90 | if(ip->max > network->max) |
| 91 | { |
| 92 | network->max = ip->max; |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | sort(network, networks, desc_order_by, min); |
| 101 | sort(network, networks, desc_order_by, max); |
| 102 | for_each(ip, networks) |
| 103 | { |
| 104 | printf("%s/%d %s min=%d max=%d sum=%d\n",ip->addr, ip->mask, ip->name, ip->min, ip->max, ip->desired); |
| 105 | } |
| 106 | exit(-1); |
| 107 | } |