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hostapd configuration file update using control interface

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Add support for reload_config hostapd_cli command as an alternative
mechanism for SIGHUP on the hostapd process.

When AP parameters such as ssid/encryption/password etc. are changed
externally in hostapd.conf, RELOAD_CONFIG cli will re-read the .conf,
update the in-memory contents and issue a change_beacon to update
beacon_ies.

For full config update, the following example sequence of commands can
be used:

hostapd_cli -i ath0 -p /var/run/hostapd-wifi0 disable
hostapd_cli -i ath0 -p /var/run/hostapd-wifi0 reload_config
hostapd_cli -i ath0 -p /var/run/hostapd-wifi0 enable

Signed-off-by: Sai Pratyusha Magam <quic_smagam@quicinc.com>
This commit is contained in:
Sai Pratyusha Magam 2023-11-08 09:40:21 +05:30 committed by Jouni Malinen
parent 2e0751b2b4
commit 1b448c8650
2 changed files with 12 additions and 0 deletions
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3
hostapd/ctrl_iface.c
View file

@ -3596,6 +3596,9 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
} else if (os_strcmp(buf, "RELOAD_BSS") == 0) {
if (hostapd_ctrl_iface_reload_bss(hapd))
reply_len = -1;
} else if (os_strcmp(buf, "RELOAD_CONFIG") == 0) {
if (hostapd_reload_config(hapd->iface))
reply_len = -1;
} else if (os_strncmp(buf, "RELOAD", 6) == 0) {
if (hostapd_ctrl_iface_reload(hapd->iface))
reply_len = -1;

9
hostapd/hostapd_cli.c
View file

@ -1235,6 +1235,13 @@ static int hostapd_cli_cmd_reload_bss(struct wpa_ctrl *ctrl, int argc,
}
static int hostapd_cli_cmd_reload_config(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "RELOAD_CONFIG");
}
static int hostapd_cli_cmd_disable(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
@ -1710,6 +1717,8 @@ static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
"= reload configuration for current interface" },
{ "reload_bss", hostapd_cli_cmd_reload_bss, NULL,
"= reload configuration for current BSS" },
{ "reload_config", hostapd_cli_cmd_reload_config, NULL,
"= reload configuration for current interface" },
{ "disable", hostapd_cli_cmd_disable, NULL,
"= disable hostapd on current interface" },
{ "update_beacon", hostapd_cli_cmd_update_beacon, NULL,