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List all networks despite message limit of 4096 bytes

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This change creates 'LIST_NETWORK LAST_ID=x' form to allow
retrieval of all networks saved in the system. Without this form,
only first few (whatever fills in first 4096 bytes) can be
retrieved.

Signed-off-by: Vinit Deshpande <vinitd@google.com>
This commit is contained in:
Vinit Deshpande 2014-12-02 10:59:29 -08:00 committed by Jouni Malinen
parent 994d6f4629
commit 90903a77ef
1 changed files with 16 additions and 2 deletions
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18
wpa_supplicant/ctrl_iface.c
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@ -2048,7 +2048,7 @@ static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
static int wpa_supplicant_ctrl_iface_list_networks(
struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
{
char *pos, *end;
struct wpa_ssid *ssid;
@ -2063,6 +2063,17 @@ static int wpa_supplicant_ctrl_iface_list_networks(
pos += ret;
ssid = wpa_s->conf->ssid;
/* skip over ssids until we find next one */
if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
int last_id = atoi(cmd + 8);
if (last_id != -1) {
while (ssid != NULL && ssid->id <= last_id) {
ssid = ssid->next;
}
}
}
while (ssid) {
ret = os_snprintf(pos, end - pos, "%d\t%s",
ssid->id,
@ -7303,9 +7314,12 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
} else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
reply_len = wpa_supplicant_ctrl_iface_log_level(
wpa_s, buf + 9, reply, reply_size);
} else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
reply_len = wpa_supplicant_ctrl_iface_list_networks(
wpa_s, buf + 14, reply, reply_size);
} else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
reply_len = wpa_supplicant_ctrl_iface_list_networks(
wpa_s, reply, reply_size);
wpa_s, NULL, reply, reply_size);
} else if (os_strcmp(buf, "DISCONNECT") == 0) {
#ifdef CONFIG_SME
wpa_s->sme.prev_bssid_set = 0;