int SecondaryTableController::modifyRoute(SocketClient *cli, const char *action, char *iface, char *dest, int prefix, char *gateway, int tableIndex) { char *cmd; if (strcmp("::", gateway) == 0) { // IP tool doesn't like "::" - the equiv of 0.0.0.0 that it accepts for ipv4 asprintf(&cmd, "%s route %s %s/%d dev %s table %d", IP_PATH, action, dest, prefix, iface, tableIndex+BASE_TABLE_NUMBER); } else { asprintf(&cmd, "%s route %s %s/%d via %s dev %s table %d", IP_PATH, action, dest, prefix, gateway, iface, tableIndex+BASE_TABLE_NUMBER); } ALOGD("modifyRoute RUN: %s ",cmd); if (runAndFree(cli, cmd)) { ALOGE("ip route %s failed: %s route %s %s/%d via %s dev %s table %d", action, IP_PATH, action, dest, prefix, gateway, iface, tableIndex+BASE_TABLE_NUMBER); errno = ENODEV; cli->sendMsg(ResponseCode::OperationFailed, "ip route modification failed", true); return -1; } if (strcmp(action, ADD) == 0) { mInterfaceRuleCount[tableIndex]++; } else { if (--mInterfaceRuleCount[tableIndex] < 1) { mInterfaceRuleCount[tableIndex] = 0; mInterfaceTable[tableIndex][0] = 0; } } modifyRuleCount(tableIndex, action); cli->sendMsg(ResponseCode::CommandOkay, "Route modified", false); return 0; }
int SecondaryTableController::modifyRoute(SocketClient *cli, const char *action, char *iface, char *dest, int prefix, char *gateway, unsigned netId) { char dest_str[44]; // enough to store an IPv6 address + 3 character bitmask char tableIndex_str[11]; int ret; // IP tool doesn't like "::" - the equiv of 0.0.0.0 that it accepts for ipv4 snprintf(dest_str, sizeof(dest_str), "%s/%d", dest, prefix); snprintf(tableIndex_str, sizeof(tableIndex_str), "%u", netId + BASE_TABLE_NUMBER); if (strcmp("::", gateway) == 0) { const char *cmd[] = { IP_PATH, "route", action, dest_str, "dev", iface, "table", tableIndex_str }; ret = runCmd(ARRAY_SIZE(cmd), cmd); } else { const char *cmd[] = { IP_PATH, "route", action, dest_str, "via", gateway, "dev", iface, "table", tableIndex_str }; ret = runCmd(ARRAY_SIZE(cmd), cmd); } if (ret) { ALOGE("ip route %s failed: %s route %s %s/%d via %s dev %s table %u", action, IP_PATH, action, dest, prefix, gateway, iface, netId + BASE_TABLE_NUMBER); errno = ENODEV; cli->sendMsg(ResponseCode::OperationFailed, "ip route modification failed", true); return -1; } modifyRuleCount(netId, action); cli->sendMsg(ResponseCode::CommandOkay, "Route modified", false); return 0; }
int SecondaryTableController::modifyLocalRoute(int tableIndex, const char *action, const char *iface, const char *addr) { char *cmd; if (verifyTableIndex(tableIndex)) { return -1; } modifyRuleCount(tableIndex, action); // some del's will fail as the iface is already gone. asprintf(&cmd, "%s route %s %s dev %s table %d", IP_PATH, action, addr, iface, tableIndex+BASE_TABLE_NUMBER); return runAndFree(NULL, cmd); }
int SecondaryTableController::modifyFromRule(int tableIndex, const char *action, const char *addr) { char *cmd; if (verifyTableIndex(tableIndex)) { return -1; } asprintf(&cmd, "%s %s rule %s from %s table %d", IP_PATH, getVersion(addr), action, addr, tableIndex + BASE_TABLE_NUMBER); if (runAndFree(NULL, cmd)) { return -1; } modifyRuleCount(tableIndex, action); return 0; }
int SecondaryTableController::modifyLocalRoute(unsigned netId, const char *action, const char *iface, const char *addr) { char tableIndex_str[11]; modifyRuleCount(netId, action); // some del's will fail as the iface is already gone. snprintf(tableIndex_str, sizeof(tableIndex_str), "%u", netId + BASE_TABLE_NUMBER); const char *cmd[] = { IP_PATH, "route", action, addr, "dev", iface, "table", tableIndex_str }; return runCmd(ARRAY_SIZE(cmd), cmd); }
int SecondaryTableController::modifyFromRule(unsigned netId, const char *action, const char *addr) { char tableIndex_str[11]; snprintf(tableIndex_str, sizeof(tableIndex_str), "%u", netId + BASE_TABLE_NUMBER); const char *cmd[] = { IP_PATH, getVersion(addr), "rule", action, "from", addr, "table", tableIndex_str }; if (runCmd(ARRAY_SIZE(cmd), cmd)) { return -1; } modifyRuleCount(netId, action); return 0; }