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Dump all the correct routing tables.

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The list of tables is maintained in /data/misc/net/rt_tables by netd.

Change-Id: I55475c08c5e43bcf61af916210e680c47480ac32
This commit is contained in:
Sreeram Ramachandran 2014-07-08 15:40:55 -07:00
parent f9cfae2412
commit 2b3bba34ae
3 changed files with 25 additions and 4 deletions
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7
cmds/dumpstate/dumpstate.c
View File

@ -174,10 +174,9 @@ static void dumpstate() {
run_command("NETWORK INTERFACES", 10, SU_PATH, "root", "netcfg", NULL);
run_command("IP RULES", 10, "ip", "rule", "show", NULL);
run_command("IP RULES v6", 10, "ip", "-6", "rule", "show", NULL);
run_command("ROUTE TABLE 60", 10, "ip", "route", "show", "table", "60", NULL);
run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "60", NULL);
run_command("ROUTE TABLE 61", 10, "ip", "route", "show", "table", "61", NULL);
run_command("ROUTE TABLE 61 v6", 10, "ip", "-6", "route", "show", "table", "61", NULL);
dump_route_tables();
dump_file("ARP CACHE", "/proc/net/arp");
run_command("IPTABLES", 10, SU_PATH, "root", "iptables", "-L", "-nvx", NULL);
run_command("IP6TABLES", 10, SU_PATH, "root", "ip6tables", "-L", "-nvx", NULL);

3
cmds/dumpstate/dumpstate.h
View File

@ -60,6 +60,9 @@ void do_showmap(int pid, const char *name);
/* Gets the dmesg output for the kernel */
void do_dmesg();
/* Prints the contents of all the routing tables, both IPv4 and IPv6. */
void dump_route_tables();
/* Play a sound via Stagefright */
void play_sound(const char* path);

19
cmds/dumpstate/utils.c
View File

@ -593,3 +593,22 @@ error_close_fd:
void play_sound(const char* path) {
run_command(NULL, 5, "/system/bin/stagefright", "-o", "-a", path, NULL);
}
void dump_route_tables() {
const char* const RT_TABLES_PATH = "/data/misc/net/rt_tables";
dump_file("RT_TABLES", RT_TABLES_PATH);
FILE* fp = fopen(RT_TABLES_PATH, "r");
if (!fp) {
printf("*** %s: %s\n", RT_TABLES_PATH, strerror(errno));
return;
}
char table[16];
// Each line has an integer (the table number), a space, and a string (the table name). We only
// need the table number. It's a 32-bit unsigned number, so max 10 chars. Skip the table name.
// Add a fixed max limit so this doesn't go awry.
for (int i = 0; i < 64 && fscanf(fp, " %10s %*s", table) == 1; ++i) {
run_command("ROUTE TABLE IPv4", 10, "ip", "-4", "route", "show", "table", table, NULL);
run_command("ROUTE TABLE IPv6", 10, "ip", "-6", "route", "show", "table", table, NULL);
}
fclose(fp);
}