cdfd88eb |
1 | /* Modified by: xChaos, 20131029 */ |
af37be1d |
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 | } |