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Add option for disabling automatic reconnection on disconnection

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ctrl_interface STA_AUTOCONNECT command can now be used to disable
automatic reconnection on receiving disconnection event. The default
behavior is for wpa_supplicant to try to reconnect automatically, i.e.,
to maintain previous behavior.
This commit is contained in:
Ardong Chen 2010-09-06 17:28:45 +03:00 committed by Jouni Malinen
parent 2049af2bd5
commit 0d0a8ca1cc
4 changed files with 47 additions and 2 deletions
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11
wpa_supplicant/ctrl_iface.c
View File

@ -2590,6 +2590,14 @@ static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
#endif /* CONFIG_P2P */
static int wpa_supplicant_ctrl_iface_sta_autoconnect(
struct wpa_supplicant *wpa_s, char *cmd)
{
wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
return 0;
}
char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
char *buf, size_t *resp_len)
{
@ -2903,6 +2911,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
} else if (os_strncmp(buf, "ROAM ", 5) == 0) {
if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
reply_len = -1;
} else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
reply_len = -1;
} else {
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
reply_len = 16;

15
wpa_supplicant/events.c
View File

@ -1225,8 +1225,19 @@ static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
"pre-shared key may be incorrect");
}
if (wpa_s->wpa_state >= WPA_ASSOCIATED)
wpa_supplicant_req_scan(wpa_s, 0, 100000);
if (!wpa_s->auto_reconnect_disabled ||
wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) {
wpa_printf(MSG_DEBUG, "WPA: Auto connect enabled: try to "
"reconnect (wps=%d)",
wpa_s->key_mgmt == WPA_KEY_MGMT_WPS);
if (wpa_s->wpa_state >= WPA_ASSOCIATED)
wpa_supplicant_req_scan(wpa_s, 0, 100000);
} else {
wpa_printf(MSG_DEBUG, "WPA: Auto connect disabled: do not try "
"to re-connect");
wpa_s->reassociate = 0;
wpa_s->disconnected = 1;
}
bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;

22
wpa_supplicant/wpa_cli.c
View File

@ -2088,6 +2088,26 @@ static int wpa_cli_cmd_p2p_ext_listen(struct wpa_ctrl *ctrl, int argc,
#endif /* CONFIG_P2P */
static int wpa_cli_cmd_sta_autoconnect(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char cmd[256];
int res;
if (argc != 1) {
printf("Invalid STA_AUTOCONNECT command: needs one argument "
"(0/1 = disable/enable automatic reconnection)\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "STA_AUTOCONNECT %s", argv[0]);
if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
printf("Too long STA_AUTOCONNECT command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
enum wpa_cli_cmd_flags {
cli_cmd_flag_none = 0x00,
cli_cmd_flag_sensitive = 0x01
@ -2364,6 +2384,8 @@ static struct wpa_cli_cmd wpa_cli_commands[] = {
{ "p2p_ext_listen", wpa_cli_cmd_p2p_ext_listen, cli_cmd_flag_none,
"[<period> <interval>] = set extended listen timing" },
#endif /* CONFIG_P2P */
{ "sta_autoconnect", wpa_cli_cmd_sta_autoconnect, cli_cmd_flag_none,
"<0/1> = disable/enable automatic reconnection" },
{ NULL, NULL, cli_cmd_flag_none, NULL }
};

1
wpa_supplicant/wpa_supplicant_i.h
View File

@ -525,6 +525,7 @@ struct wpa_supplicant {
int after_wps;
unsigned int wps_freq;
int wps_fragment_size;
int auto_reconnect_disabled;
};