/* write the IP address to /etc/config/config so the user can tell what
* IP address the NETtel got.
*
* Secondly, launch dhcpcd-change, but only if it is not a DISKTEL
*/
int ipfwadm_rules(char *ifname, u_int32_t yiaddr)
{
char buf[32];
FILE *in;
pid_t pid;
char tmp[MAX_CONFIG_LINE_SIZE];
struct in_addr inp;
struct stat st;
inp.s_addr = yiaddr;
/* No need to write this config to flash because it is dynamic
* information. */
sprintf(buf, "ip%s\0", ifname);
writeConfig("/etc/config/config", buf, (char *) inet_ntoa(inp));
#ifndef CONFIG_DEFAULTS_LINEO_DISKTEL
if (stat("/etc/config/dhcpcd-change", &st) == 0) {
launch_script("/etc/config/dhcpcd-change");
} else {
launch_script("/etc/config/ipfwrules");
}
#endif
return 0;
}
static int net_tap_init(QemuOpts *opts, int *vnet_hdr)
{
int fd, vnet_hdr_required;
char ifname[128] = {0,};
const char *setup_script;
if (qemu_opt_get(opts, "ifname")) {
pstrcpy(ifname, sizeof(ifname), qemu_opt_get(opts, "ifname"));
}
*vnet_hdr = qemu_opt_get_bool(opts, "vnet_hdr", 1);
if (qemu_opt_get(opts, "vnet_hdr")) {
vnet_hdr_required = *vnet_hdr;
} else {
vnet_hdr_required = 0;
}
TFR(fd = tap_open(ifname, sizeof(ifname), vnet_hdr, vnet_hdr_required));
if (fd < 0) {
return -1;
}
setup_script = qemu_opt_get(opts, "script");
if (setup_script &&
setup_script[0] != '\0' &&
strcmp(setup_script, "no") != 0 &&
launch_script(setup_script, ifname, fd)) {
close(fd);
return -1;
}
qemu_opt_set(opts, "ifname", ifname);
return fd;
}
static int net_tap_init(const NetdevTapOptions *tap, int *vnet_hdr,
const char *setup_script, char *ifname,
size_t ifname_sz, int mq_required)
{
int fd, vnet_hdr_required;
if (tap->has_vnet_hdr) {
*vnet_hdr = tap->vnet_hdr;
vnet_hdr_required = *vnet_hdr;
} else {
*vnet_hdr = 1;
vnet_hdr_required = 0;
}
TFR(fd = tap_open(ifname, ifname_sz, vnet_hdr, vnet_hdr_required,
mq_required));
if (fd < 0) {
return -1;
}
if (setup_script &&
setup_script[0] != '\0' &&
strcmp(setup_script, "no") != 0 &&
launch_script(setup_script, ifname, fd)) {
close(fd);
return -1;
}
return fd;
}
static int net_tap_init(const NetdevTapOptions *tap, int *vnet_hdr,
const char *setup_script, char *ifname,
size_t ifname_sz, int mq_required, Error **errp)
{
Error *err = NULL;
int fd, vnet_hdr_required;
if (tap->has_vnet_hdr) {
*vnet_hdr = tap->vnet_hdr;
vnet_hdr_required = *vnet_hdr;
} else {
*vnet_hdr = 1;
vnet_hdr_required = 0;
}
TFR(fd = tap_open(ifname, ifname_sz, vnet_hdr, vnet_hdr_required,
mq_required, errp));
if (fd < 0) {
return -1;
}
if (setup_script &&
setup_script[0] != '\0' &&
strcmp(setup_script, "no") != 0) {
launch_script(setup_script, ifname, fd, &err);
if (err) {
error_propagate(errp, err);
close(fd);
return -1;
}
}
return fd;
}
static void tap_exit_notify(Notifier *notifier, void *data)
{
TAPState *s = container_of(notifier, TAPState, exit);
Error *err = NULL;
if (s->down_script[0]) {
launch_script(s->down_script, s->down_script_arg, s->fd, &err);
if (err) {
error_report_err(err);
}
}
}
static void tap_cleanup(VLANClientState *nc)
{
TAPState *s = DO_UPCAST(TAPState, nc, nc);
qemu_purge_queued_packets(nc);
if (s->down_script[0])
launch_script(s->down_script, s->down_script_arg, s->fd);
tap_read_poll(s, 0);
tap_write_poll(s, 0);
close(s->fd);
}
void exec_rtconf(t_system *system)
{
char *path;
t_file *rcfile;
path = get_rc_path(system);
if (path)
{
if (access(path, R_OK) == 0)
{
rcfile = open_file(path, FILE_R);
launch_script(rcfile, system);
close_file(rcfile);
}
free(path);
}
}
static void tap_cleanup(NetClientState *nc)
{
TAPState *s = DO_UPCAST(TAPState, nc, nc);
if (s->vhost_net) {
vhost_net_cleanup(s->vhost_net);
s->vhost_net = NULL;
}
qemu_purge_queued_packets(nc);
if (s->down_script[0])
launch_script(s->down_script, s->down_script_arg, s->fd);
tap_read_poll(s, false);
tap_write_poll(s, false);
close(s->fd);
s->fd = -1;
}