Dump all the correct routing tables.
The list of tables is maintained in /data/misc/net/rt_tables by netd.
Change-Id: I55475c08c5e43bcf61af916210e680c47480ac32
diff --git a/cmds/dumpstate/utils.c b/cmds/dumpstate/utils.c
index 670e09c..3b19f59 100644
--- a/cmds/dumpstate/utils.c
+++ b/cmds/dumpstate/utils.c
@@ -593,3 +593,22 @@
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);
+}