Mercurial > hg > toybox
annotate toys/pending/route.c @ 1055:f8824260d057 draft
Ashwini Sharma submitted route.c, adding it to pending.
author | Rob Landley <rob@landley.net> |
---|---|
date | Fri, 06 Sep 2013 12:21:28 -0500 |
parents | |
children | e11684e3bbc5 |
rev | line source |
---|---|
1055
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1 /* route.c - Display routing table. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
2 * |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
3 * Copyright 2012 Ranjan Kumar <ranjankumar.bth@gmail.com> |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
4 * Copyright 2013 Kyungwan Han <asura321@gmail.com> |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
5 * |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
6 * No Standard |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
7 * |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
8 USE_ROUTE(NEWTOY(route, "?neA:", TOYFLAG_BIN)) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
9 config ROUTE |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
10 bool "route" |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
11 default n |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
12 help |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
13 usage: route -neA inet{6} / [{add|del}] |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
14 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
15 Display/Edit kernel routing tables. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
16 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
17 -n Don't resolve names |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
18 -e Display other/more information |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
19 -A inet{6} Select Address Family |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
20 */ |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
21 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
22 #define FOR_route |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
23 #include "toys.h" |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
24 #include "toynet.h" |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
25 #include <net/route.h> |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
26 #include <sys/param.h> |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
27 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
28 GLOBALS( |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
29 char *family; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
30 ) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
31 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
32 #define DEFAULT_PREFIXLEN 128 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
33 #define INVALID_ADDR 0xffffffffUL |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
34 #define IPV6_ADDR_LEN 40 //32 + 7 (':') + 1 ('\0') |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
35 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
36 #define TEST_ARGV(argv) if (!*argv) show_route_help() |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
37 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
38 struct _arglist { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
39 char *arg; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
40 int action; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
41 }; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
42 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
43 static struct _arglist arglist1[] = { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
44 { "add", 1 }, { "del", 2 }, |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
45 { "delete", 2 }, { NULL, 0 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
46 }; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
47 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
48 static struct _arglist arglist2[] = { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
49 { "-net", 1 }, { "-host", 2 }, |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
50 { NULL, 0 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
51 }; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
52 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
53 // display help info and exit. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
54 static void show_route_help(void) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
55 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
56 toys.exithelp = 1; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
57 error_exit("Invalid Argument"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
58 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
59 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
60 // to get the host name from the given ip. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
61 static int get_hostname(char *ipstr, struct sockaddr_in *sockin) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
62 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
63 struct hostent *host; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
64 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
65 sockin->sin_family = AF_INET; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
66 sockin->sin_port = 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
67 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
68 if (!strcmp(ipstr, "default")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
69 sockin->sin_addr.s_addr = INADDR_ANY; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
70 return 1; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
71 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
72 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
73 if (inet_aton(ipstr, &sockin->sin_addr)) return 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
74 if (!(host = gethostbyname(ipstr))) return -1; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
75 memcpy(&sockin->sin_addr, host->h_addr_list[0], sizeof(struct in_addr)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
76 return 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
77 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
78 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
79 // used to extract the address info from the given ip. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
80 static int get_addrinfo(char *ip, struct sockaddr_in6 *sock_in6) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
81 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
82 struct addrinfo hints, *result; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
83 int status = 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
84 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
85 memset(&hints, 0, sizeof(struct addrinfo)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
86 hints.ai_family = AF_INET6; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
87 if ((status = getaddrinfo(ip, NULL, &hints, &result))) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
88 perror_msg("getaddrinfo: %s", gai_strerror(status)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
89 return -1; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
90 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
91 if (result) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
92 memcpy(sock_in6, result->ai_addr, sizeof(*sock_in6)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
93 freeaddrinfo(result); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
94 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
95 return 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
96 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
97 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
98 //get the flag values for route command. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
99 static void get_flag_value(char *str, int flags) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
100 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
101 int i = 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
102 static unsigned flagarray[] = { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
103 RTF_GATEWAY, RTF_HOST, RTF_REINSTATE, RTF_DYNAMIC, |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
104 RTF_MODIFIED, RTF_DEFAULT, RTF_ADDRCONF, RTF_CACHE |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
105 }; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
106 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
107 *str++ = 'U'; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
108 while ((*str = "GHRDMDAC"[i])) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
109 if (flags & flagarray[i++]) ++str; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
110 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
111 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
112 // extract inet4 route info from /proc/net/route file and display it. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
113 static void display_routes(void) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
114 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
115 unsigned long dest, gate, mask; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
116 int flags, ref, use, metric, mss, win, irtt, items; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
117 char iface[64] = {0,}, flag_val[10]; //there are 9 flags "UGHRDMDAC" for route. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
118 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
119 FILE *fp = xfopen("/proc/net/route", "r"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
120 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
121 xprintf("Kernel IP routing table\n" |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
122 "Destination Gateway Genmask Flags %s Iface\n", |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
123 (toys.optflags & FLAG_e)? " MSS Window irtt" : "Metric Ref Use"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
124 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
125 if (fscanf(fp, "%*[^\n]\n") < 0) perror_exit("fscanf"); //skip 1st line |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
126 while ((items = fscanf(fp, "%63s%lx%lx%X%d%d%d%lx%d%d%d\n", iface, &dest, |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
127 &gate, &flags, &ref, &use, &metric, &mask, &mss, &win, &irtt)) == 11) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
128 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
129 char *destip = toybuf, *gateip = toybuf+32, *maskip = toybuf+64; //ip string 16 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
130 memset(flag_val, 0, 10); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
131 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
132 if (!(flags & RTF_UP)) continue; //skip down interfaces. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
133 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
134 if (!dest && !(toys.optflags & FLAG_n)) strcpy( destip, "default"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
135 else if (!inet_ntop(AF_INET, &dest, destip, 32)) perror_exit("inet"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
136 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
137 if (!gate && !(toys.optflags & FLAG_n)) strcpy( gateip, "*"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
138 else if (!inet_ntop(AF_INET, &gate, gateip, 32)) perror_exit("inet"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
139 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
140 if (!inet_ntop(AF_INET, &mask, maskip, 32)) perror_exit("inet"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
141 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
142 //Get flag Values |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
143 get_flag_value(flag_val, (flags & (RTF_GATEWAY|RTF_HOST|RTF_REINSTATE |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
144 |RTF_DYNAMIC|RTF_MODIFIED))); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
145 if (flags & RTF_REJECT) flag_val[0] = '!'; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
146 xprintf("%-15.15s %-15.15s %-16s%-6s", destip, gateip, maskip, flag_val); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
147 if (toys.optflags & FLAG_e) xprintf("%5d %-5d %6d %s\n", mss, win, irtt, iface); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
148 else xprintf("%-6d %-2d %7d %s\n", metric, ref, use, iface); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
149 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
150 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
151 if (items > 0 && feof(fp)) perror_exit("fscanf %d", items); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
152 fclose(fp); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
153 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
154 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
155 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
156 /* |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
157 * find the given parameter in list like add/del/net/host. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
158 * and if match found return the appropriate action. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
159 */ |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
160 static int get_action(char ***argv, struct _arglist *list) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
161 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
162 struct _arglist *alist; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
163 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
164 if (!**argv) return 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
165 for (alist = list; alist->arg; alist++) { //find the given parameter in list |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
166 if (!strcmp(**argv, alist->arg)) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
167 *argv += 1; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
168 return alist->action; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
169 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
170 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
171 return 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
172 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
173 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
174 /* |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
175 * get prefix len (if any) and remove the prefix from target ip. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
176 * if no prefix then set netmask as default. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
177 */ |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
178 static void is_prefix(char **tip, char **netmask, struct rtentry *rt) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
179 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
180 char *prefix = strchr(*tip, '/'); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
181 if (prefix) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
182 unsigned long plen; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
183 plen = get_int_value(prefix + 1, 0, 32); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
184 //used to verify the netmask and route conflict. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
185 (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
186 = htonl( ~(INVALID_ADDR >> plen)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
187 *prefix = '\0'; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
188 rt->rt_genmask.sa_family = AF_INET; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
189 } else *netmask = "default"; //default netmask. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
190 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
191 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
192 /* |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
193 * used to get the params like: metric, netmask, gw, mss, window, irtt, dev and their values. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
194 * additionally set the flag values for reject, mod, dyn and reinstate. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
195 */ |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
196 static void get_next_params(char **argv, struct rtentry *rt, char **netmask) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
197 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
198 while (*argv) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
199 //set the metric field in the routing table. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
200 if (!strcmp(*argv, "metric")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
201 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
202 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
203 rt->rt_metric = get_int_value(*argv, 0, ULONG_MAX) + 1; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
204 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
205 } else if (!strcmp(*argv, "netmask")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
206 //when adding a network route, the netmask to be used. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
207 struct sockaddr sock; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
208 unsigned int addr_mask = (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
209 if (addr_mask) show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
210 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
211 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
212 *netmask = *argv; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
213 if (get_hostname(*netmask, (struct sockaddr_in *) &sock) < 0) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
214 perror_exit("resolving '%s'", *netmask); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
215 rt->rt_genmask = sock; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
216 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
217 } else if (!strcmp(*argv, "gw")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
218 //route packets via a gateway. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
219 if (!(rt->rt_flags & RTF_GATEWAY)) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
220 int ishost; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
221 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
222 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
223 if ((ishost = get_hostname(*argv, (struct sockaddr_in *) &rt->rt_gateway)) == 0) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
224 rt->rt_flags |= RTF_GATEWAY; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
225 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
226 } else if (ishost < 0) perror_exit("resolving '%s'", *argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
227 else perror_exit("gateway '%s' is a NETWORK", *argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
228 } else show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
229 } else if (!strcmp(*argv, "mss")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
230 //set the TCP Maximum Segment Size for connections over this route. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
231 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
232 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
233 rt->rt_mss = get_int_value(*argv, 64, 32768); //MSS low and max |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
234 rt->rt_flags |= RTF_MSS; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
235 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
236 } else if (!strcmp(*argv, "window")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
237 //set the TCP window size for connections over this route to W bytes. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
238 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
239 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
240 rt->rt_window = get_int_value(*argv, 128, INT_MAX); //win low |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
241 rt->rt_flags |= RTF_WINDOW; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
242 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
243 } else if (!strcmp(*argv, "irtt")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
244 long nclock_ticks = sysconf(_SC_CLK_TCK); //number of clock ticks per second. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
245 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
246 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
247 nclock_ticks /= 100; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
248 rt->rt_irtt = strtoul(*argv, NULL, 10); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
249 if (nclock_ticks > 0) rt->rt_irtt *= nclock_ticks; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
250 rt->rt_flags |= 0x0100; //RTF_IRTT |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
251 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
252 } else if (!strcmp(*argv, "dev")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
253 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
254 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
255 if ((!rt->rt_dev)) rt->rt_dev = *argv; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
256 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
257 } else if (!strcmp(*argv, "reject")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
258 rt->rt_flags |= RTF_REJECT; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
259 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
260 } else if (!strcmp(*argv, "mod")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
261 rt->rt_flags |= RTF_MODIFIED; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
262 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
263 } else if (!strcmp(*argv, "dyn")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
264 rt->rt_flags |= RTF_DYNAMIC; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
265 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
266 } else if (!strcmp(*argv, "reinstate")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
267 rt->rt_flags |= RTF_REINSTATE; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
268 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
269 } else show_route_help(); //No match found; exit form the application. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
270 }//end of while loop. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
271 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
272 if (!rt->rt_dev && (rt->rt_flags & RTF_REJECT)) rt->rt_dev = (char *)"lo"; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
273 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
274 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
275 // verify the netmask and conflict in netmask and route address. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
276 static void verify_netmask(struct rtentry *rt, char *netmask) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
277 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
278 unsigned int addr_mask = (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
279 unsigned int router_addr = ~(unsigned int)(((struct sockaddr_in *)&((rt)->rt_dst))->sin_addr.s_addr); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
280 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
281 if (addr_mask) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
282 addr_mask = ~ntohl(addr_mask); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
283 if ((rt->rt_flags & RTF_HOST) && addr_mask != INVALID_ADDR) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
284 perror_exit("conflicting netmask and host route"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
285 if (addr_mask & (addr_mask + 1)) perror_exit("wrong netmask '%s'", netmask); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
286 addr_mask = ((struct sockaddr_in *) &rt->rt_dst)->sin_addr.s_addr; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
287 if (addr_mask & router_addr) perror_exit("conflicting netmask and route address"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
288 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
289 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
290 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
291 // add/del a route. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
292 static void setroute(char **argv) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
293 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
294 struct rtentry rt; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
295 char *netmask = NULL, *targetip; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
296 int is_net_or_host = 0, sokfd, arg2_action; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
297 int action = get_action(&argv, arglist1); //verify the arg for add/del. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
298 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
299 if (!action || !*argv) show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
300 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
301 arg2_action = get_action(&argv, arglist2); //verify the arg for -net or -host |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
302 if (!*argv) show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
303 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
304 memset(&rt, 0, sizeof(struct rtentry)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
305 targetip = *argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
306 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
307 is_prefix((char **)&targetip, (char **)&netmask, &rt); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
308 if ((is_net_or_host = get_hostname(targetip, |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
309 (struct sockaddr_in *) &rt.rt_dst)) < 0) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
310 perror_exit("resolving '%s'", targetip); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
311 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
312 if (arg2_action) is_net_or_host = arg2_action & 1; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
313 rt.rt_flags = ((is_net_or_host) ? RTF_UP : (RTF_UP | RTF_HOST)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
314 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
315 get_next_params(argv, &rt, (char **)&netmask); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
316 verify_netmask(&rt, (char *)netmask); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
317 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
318 if ((action == 1) && (rt.rt_flags & RTF_HOST)) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
319 (((struct sockaddr_in *)&((rt).rt_genmask))->sin_addr.s_addr) = INVALID_ADDR; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
320 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
321 sokfd = xsocket(AF_INET, SOCK_DGRAM, 0); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
322 if (action == 1) xioctl(sokfd, SIOCADDRT, &rt); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
323 else xioctl(sokfd, SIOCDELRT, &rt); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
324 xclose(sokfd); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
325 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
326 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
327 /* |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
328 * get prefix len (if any) and remove the prefix from target ip. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
329 * if no prefix then set default prefix len. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
330 */ |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
331 static void is_prefix_inet6(char **tip, struct in6_rtmsg *rt) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
332 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
333 unsigned long plen; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
334 char *prefix = strchr(*tip, '/'); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
335 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
336 if (prefix) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
337 *prefix = '\0'; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
338 plen = get_int_value(prefix + 1, 0, 128); //DEFAULT_PREFIXLEN); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
339 } else plen = DEFAULT_PREFIXLEN; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
340 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
341 rt->rtmsg_flags = (plen == DEFAULT_PREFIXLEN) ? (RTF_UP | RTF_HOST) : RTF_UP; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
342 rt->rtmsg_dst_len = plen; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
343 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
344 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
345 /* |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
346 * used to get the params like: metric, gw, dev and their values. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
347 * additionally set the flag values for mod and dyn. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
348 */ |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
349 static void get_next_params_inet6(char **argv, struct sockaddr_in6 *sock_in6, struct in6_rtmsg *rt, char **dev_name) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
350 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
351 while (*argv) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
352 if (!strcmp(*argv, "metric")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
353 //set the metric field in the routing table. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
354 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
355 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
356 rt->rtmsg_metric = get_int_value(*argv, 0, ULONG_MAX); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
357 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
358 } else if (!strcmp(*argv, "gw")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
359 //route packets via a gateway. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
360 if (!(rt->rtmsg_flags & RTF_GATEWAY)) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
361 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
362 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
363 if (!get_addrinfo(*argv, (struct sockaddr_in6 *) &sock_in6)) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
364 memcpy(&rt->rtmsg_gateway, sock_in6->sin6_addr.s6_addr, sizeof(struct in6_addr)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
365 rt->rtmsg_flags |= RTF_GATEWAY; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
366 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
367 } else perror_exit("resolving '%s'", *argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
368 } else show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
369 } else if (!strcmp(*argv, "dev")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
370 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
371 TEST_ARGV(argv); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
372 if (!*dev_name) *dev_name = *argv; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
373 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
374 } else if (!strcmp(*argv, "mod")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
375 rt->rtmsg_flags |= RTF_MODIFIED; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
376 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
377 } else if (!strcmp(*argv, "dyn")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
378 rt->rtmsg_flags |= RTF_DYNAMIC; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
379 argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
380 } else show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
381 }//end of while loop. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
382 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
383 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
384 // add/del a route. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
385 static void setroute_inet6(char **argv) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
386 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
387 struct sockaddr_in6 sock_in6; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
388 struct in6_rtmsg rt; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
389 char *targetip; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
390 int sockfd, action = get_action(&argv, arglist1); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
391 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
392 if (!action || !*argv) show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
393 memset(&sock_in6, 0, sizeof(struct sockaddr_in6)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
394 memset(&rt, 0, sizeof(struct in6_rtmsg)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
395 targetip = *argv++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
396 if (*argv) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
397 unsigned long plen = 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
398 char *dev_name = NULL; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
399 if (!strcmp(targetip, "default")) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
400 rt.rtmsg_flags = RTF_UP; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
401 rt.rtmsg_dst_len = plen; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
402 } else { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
403 is_prefix_inet6((char **)&targetip, &rt); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
404 if (get_addrinfo(targetip, (struct sockaddr_in6 *) &sock_in6)) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
405 perror_exit("resolving '%s'", targetip); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
406 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
407 rt.rtmsg_metric = 1; //default metric. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
408 memcpy(&rt.rtmsg_dst, sock_in6.sin6_addr.s6_addr, sizeof(struct in6_addr)); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
409 get_next_params_inet6(argv, &sock_in6, &rt, (char **)&dev_name); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
410 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
411 sockfd = xsocket(AF_INET6, SOCK_DGRAM, 0); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
412 if (dev_name) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
413 char ifre_buf[sizeof(struct ifreq)] = {0,}; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
414 struct ifreq *ifre = (struct ifreq*)ifre_buf; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
415 strncpy(ifre->ifr_name, dev_name, IFNAMSIZ-1); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
416 xioctl(sockfd, SIOGIFINDEX, ifre); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
417 rt.rtmsg_ifindex = ifre->ifr_ifindex; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
418 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
419 if (action == 1) xioctl(sockfd, SIOCADDRT, &rt); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
420 else xioctl(sockfd, SIOCDELRT, &rt); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
421 xclose(sockfd); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
422 } else show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
423 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
424 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
425 /* |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
426 * format the dest and src address in ipv6 format. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
427 * e.g. 2002:6b6d:26c8:d:ea03:9aff:fe65:9d62 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
428 */ |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
429 static void ipv6_addr_formating(char *ptr, char *addr) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
430 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
431 int i = 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
432 while (i <= IPV6_ADDR_LEN) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
433 if (!*ptr) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
434 if (i == IPV6_ADDR_LEN) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
435 addr[IPV6_ADDR_LEN - 1] = 0; //NULL terminating the ':' seperated address. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
436 break; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
437 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
438 error_exit("IPv6 ip format error"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
439 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
440 addr[i++] = *ptr++; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
441 if (!((i+1) % 5)) addr[i++] = ':'; //put ':' after 4th bit |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
442 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
443 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
444 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
445 static void display_routes6(void) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
446 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
447 char iface[16] = {0,}, ipv6_dest_addr[41]; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
448 char ipv6_src_addr[41], flag_val[10], buf2[INET6_ADDRSTRLEN]; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
449 int prefixlen, metric, use, refcount, flag, items = 0; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
450 unsigned char buf[sizeof(struct in6_addr)]; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
451 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
452 FILE *fp = xfopen("/proc/net/ipv6_route", "r"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
453 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
454 xprintf("Kernel IPv6 routing table\n" |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
455 "%-43s%-40s Flags Metric Ref Use Iface\n", "Destination", "Next Hop"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
456 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
457 while ((items = fscanf(fp, "%32s%x%*s%*x%32s%x%x%x%x%10s\n", ipv6_dest_addr+8, |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
458 &prefixlen, ipv6_src_addr+8, &metric, &use, &refcount, &flag, |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
459 iface)) == 8) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
460 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
461 memset(flag_val, 0, 10); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
462 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
463 if (!(flag & RTF_UP)) continue; //skip down interfaces. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
464 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
465 //ipv6_dest_addr+8: as the values are filled from the 8th location of the array. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
466 ipv6_addr_formating(ipv6_dest_addr+8, ipv6_dest_addr); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
467 ipv6_addr_formating(ipv6_src_addr+8, ipv6_src_addr); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
468 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
469 get_flag_value(flag_val, (flag & (RTF_GATEWAY|RTF_HOST|RTF_DEFAULT| |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
470 RTF_ADDRCONF|RTF_CACHE))); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
471 if (inet_pton(AF_INET6, ipv6_dest_addr, buf) <= 0) perror_exit("inet"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
472 if (inet_ntop(AF_INET6, buf, buf2, INET6_ADDRSTRLEN)) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
473 sprintf(toybuf, "%s/%d", buf2, prefixlen); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
474 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
475 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
476 if (inet_pton(AF_INET6, ipv6_src_addr, buf) <= 0) perror_exit("inet"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
477 if (inet_ntop(AF_INET6, buf, buf2, INET6_ADDRSTRLEN)) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
478 xprintf("%-43s %-39s %-5s %-6d %-4d %5d %-8s\n", |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
479 toybuf, buf2, flag_val, metric, refcount, use, iface); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
480 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
481 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
482 if ((items > 0) && feof(fp)) perror_exit("fscanf"); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
483 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
484 fclose(fp); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
485 } |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
486 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
487 void route_main(void) |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
488 { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
489 if (!(toys.optflags & FLAG_A)) TT.family = "inet"; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
490 if (!*toys.optargs) { |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
491 if (!strcmp(TT.family, "inet")) display_routes(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
492 else if (!strcmp(TT.family, "inet6")) display_routes6(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
493 else show_route_help(); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
494 return; |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
495 }//End of if statement. |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
496 |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
497 if (!strcmp(TT.family, "inet6")) setroute_inet6(toys.optargs); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
498 else setroute(toys.optargs); |
f8824260d057
Ashwini Sharma submitted route.c, adding it to pending.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
499 } |