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Add RANGE=ALL|N1-N2 selection for ctrl_iface BSS command

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Add ability to get information about several BSS's in one call.

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
This commit is contained in:
Dmitry Shmidt 2012-04-07 12:49:31 +03:00 committed by Jouni Malinen
parent 5f97dd1c57
commit eff1a95b97
1 changed files with 62 additions and 3 deletions
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65
wpa_supplicant/ctrl_iface.c
View file

@ -2609,10 +2609,54 @@ static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
u8 bssid[ETH_ALEN];
size_t i;
struct wpa_bss *bss;
struct wpa_bss *bsslast = NULL;
struct dl_list *next;
int ret = 0;
int len;
char *ctmp;
unsigned long mask = WPA_BSS_MASK_ALL;
if (os_strcmp(cmd, "FIRST") == 0)
if (os_strncmp(cmd, "RANGE=", 6) == 0) {
if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
list_id);
bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
list_id);
} else { /* N1-N2 */
unsigned int id1, id2;
if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
wpa_printf(MSG_INFO, "Wrong BSS range "
"format");
return 0;
}
id1 = atoi(cmd + 6);
bss = wpa_bss_get_id(wpa_s, id1);
id2 = atoi(ctmp + 1);
if (id2 == 0)
bsslast = dl_list_last(&wpa_s->bss_id,
struct wpa_bss,
list_id);
else {
bsslast = wpa_bss_get_id(wpa_s, id2);
if (bsslast == NULL && bss && id2 > id1) {
struct wpa_bss *tmp = bss;
for (;;) {
next = tmp->list_id.next;
if (next == &wpa_s->bss_id)
break;
tmp = dl_list_entry(
next, struct wpa_bss,
list_id);
if (tmp->id > id2)
break;
bsslast = tmp;
}
}
}
}
} else if (os_strcmp(cmd, "FIRST") == 0)
bss = dl_list_first(&wpa_s->bss, struct wpa_bss, list);
else if (os_strncmp(cmd, "ID-", 3) == 0) {
i = atoi(cmd + 3);
@ -2621,7 +2665,7 @@ static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
i = atoi(cmd + 5);
bss = wpa_bss_get_id(wpa_s, i);
if (bss) {
struct dl_list *next = bss->list_id.next;
next = bss->list_id.next;
if (next == &wpa_s->bss_id)
bss = NULL;
else
@ -2659,7 +2703,22 @@ static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
if (bss == NULL)
return 0;
return print_bss_info(wpa_s, bss, mask, buf, buflen);
if (bsslast == NULL)
bsslast = bss;
do {
len = print_bss_info(wpa_s, bss, mask, buf, buflen);
ret += len;
buf += len;
buflen -= len;
if (bss == bsslast)
break;
next = bss->list_id.next;
if (next == &wpa_s->bss_id)
break;
bss = dl_list_entry(next, struct wpa_bss, list_id);
} while (bss && len);
return ret;
}