static void ipsp_disconnected(struct bt_l2cap_chan *chan)
{
struct bt_context *ctxt = CHAN_CTXT(chan);
NET_DBG("Channel %p disconnected", chan);
/* Set iface down */
net_if_down(ctxt->iface);
}
static void send_iface1_down(void)
{
bool ret;
DBG("Sending data to iface 1 %p while down\n", iface1);
net_if_down(iface1);
ret = send_iface(iface1, 1, true);
zassert_true(ret, "iface 1 down");
}
static void ipsp_disconnected(struct bt_l2cap_chan *chan)
{
struct bt_context *ctxt = CHAN_CTXT(chan);
NET_DBG("Channel %p disconnected", chan);
/* Set iface down */
net_if_down(ctxt->iface);
#if defined(CONFIG_NET_L2_BLUETOOTH_MGMT)
if (chan->conn != default_conn) {
return;
}
bt_conn_unref(default_conn);
default_conn = NULL;
#endif
}
static void monitor_application(pid_t app_pid) {
while (app_pid) {
usleep(20000);
int status;
pid_t rv;
do {
rv = waitpid(-1, &status, 0);
if (rv == -1)
break;
}
while(rv != app_pid);
if (arg_debug)
printf("Sandbox monitor: waitpid %u retval %d status %d\n", app_pid, rv, status);
DIR *dir;
if (!(dir = opendir("/proc"))) {
// sleep 2 seconds and try again
sleep(2);
if (!(dir = opendir("/proc"))) {
fprintf(stderr, "Error: cannot open /proc directory\n");
exit(1);
}
}
struct dirent *entry;
app_pid = 0;
while ((entry = readdir(dir)) != NULL) {
unsigned pid;
if (sscanf(entry->d_name, "%u", &pid) != 1)
continue;
if (pid == 1)
continue;
app_pid = pid;
break;
}
closedir(dir);
if (app_pid != 0 && arg_debug)
printf("Sandbox monitor: monitoring %u\n", app_pid);
}
#if 0
// todo: find a way to shut down interfaces before closing the namespace
// the problem is we don't have enough privileges to shutdown interfaces in this moment
// shut down bridge/macvlan interfaces
if (any_bridge_configured()) {
if (cfg.bridge0.configured) {
printf("Shutting down %s\n", cfg.bridge0.devsandbox);
net_if_down( cfg.bridge0.devsandbox);
}
if (cfg.bridge1.configured) {
printf("Shutting down %s\n", cfg.bridge1.devsandbox);
net_if_down( cfg.bridge1.devsandbox);
}
if (cfg.bridge2.configured) {
printf("Shutting down %s\n", cfg.bridge2.devsandbox);
net_if_down( cfg.bridge2.devsandbox);
}
if (cfg.bridge3.configured) {
printf("Shutting down %s\n", cfg.bridge3.devsandbox);
net_if_down( cfg.bridge3.devsandbox);
}
usleep(20000); // 20 ms sleep
}
#endif
}
static int monitor_application(pid_t app_pid) {
monitored_pid = app_pid;
signal (SIGTERM, sandbox_handler);
EUID_USER();
int status = 0;
while (monitored_pid) {
usleep(20000);
char *msg;
if (asprintf(&msg, "monitoring pid %d\n", monitored_pid) == -1)
errExit("asprintf");
logmsg(msg);
if (arg_debug)
printf("%s\n", msg);
free(msg);
pid_t rv;
do {
rv = waitpid(-1, &status, 0);
if (rv == -1)
break;
}
while(rv != monitored_pid);
if (arg_debug)
printf("Sandbox monitor: waitpid %u retval %d status %d\n", monitored_pid, rv, status);
DIR *dir;
if (!(dir = opendir("/proc"))) {
// sleep 2 seconds and try again
sleep(2);
if (!(dir = opendir("/proc"))) {
fprintf(stderr, "Error: cannot open /proc directory\n");
exit(1);
}
}
struct dirent *entry;
monitored_pid = 0;
while ((entry = readdir(dir)) != NULL) {
unsigned pid;
if (sscanf(entry->d_name, "%u", &pid) != 1)
continue;
if (pid == 1)
continue;
// todo: make this generic
// Dillo browser leaves a dpid process running, we need to shut it down
if (strcmp(cfg.command_name, "dillo") == 0) {
char *pidname = pid_proc_comm(pid);
if (pidname && strcmp(pidname, "dpid") == 0)
break;
free(pidname);
}
monitored_pid = pid;
break;
}
closedir(dir);
if (monitored_pid != 0 && arg_debug)
printf("Sandbox monitor: monitoring %u\n", monitored_pid);
}
// return the latest exit status.
return status;
#if 0
// todo: find a way to shut down interfaces before closing the namespace
// the problem is we don't have enough privileges to shutdown interfaces in this moment
// shut down bridge/macvlan interfaces
if (any_bridge_configured()) {
if (cfg.bridge0.configured) {
printf("Shutting down %s\n", cfg.bridge0.devsandbox);
net_if_down( cfg.bridge0.devsandbox);
}
if (cfg.bridge1.configured) {
printf("Shutting down %s\n", cfg.bridge1.devsandbox);
net_if_down( cfg.bridge1.devsandbox);
}
if (cfg.bridge2.configured) {
printf("Shutting down %s\n", cfg.bridge2.devsandbox);
net_if_down( cfg.bridge2.devsandbox);
}
if (cfg.bridge3.configured) {
printf("Shutting down %s\n", cfg.bridge3.devsandbox);
net_if_down( cfg.bridge3.devsandbox);
}
usleep(20000); // 20 ms sleep
}
#endif
}
