int wifi_wait_on_socket(int index, char *buf, size_t buflen)
{
size_t nread = buflen - 1;
int fd;
fd_set rfds;
int result;
struct timeval tval;
struct timeval *tptr;
if (monitor_conn[index] == NULL) {
ALOGD("Connection closed\n");
strncpy(buf, WPA_EVENT_TERMINATING " - connection closed", buflen-1);
buf[buflen-1] = '\0';
return strlen(buf);
}
result = wifi_ctrl_recv(index, buf, &nread);
/* Terminate reception on exit socket */
if (result == -2) {
strncpy(buf, WPA_EVENT_TERMINATING " - connection closed", buflen-1);
buf[buflen-1] = '\0';
return strlen(buf);
}
if (result < 0) {
ALOGD("wifi_ctrl_recv failed: %s\n", strerror(errno));
strncpy(buf, WPA_EVENT_TERMINATING " - recv error", buflen-1);
buf[buflen-1] = '\0';
return strlen(buf);
}
buf[nread] = '\0';
/* Check for EOF on the socket */
if (result == 0 && nread == 0) {
/* Fabricate an event to pass up */
ALOGD("Received EOF on supplicant socket\n");
strncpy(buf, WPA_EVENT_TERMINATING " - signal 0 received", buflen-1);
buf[buflen-1] = '\0';
return strlen(buf);
}
/*
* Events strings are in the format
*
* <N>CTRL-EVENT-XXX
*
* where N is the message level in numerical form (0=VERBOSE, 1=DEBUG,
* etc.) and XXX is the event name. The level information is not useful
* to us, so strip it off.
*/
if (buf[0] == '<') {
char *match = strchr(buf, '>');
if (match != NULL) {
nread -= (match+1-buf);
memmove(buf, match+1, nread+1);
}
}
return nread;
}
int wifi_wait_on_socket(char *buf, size_t buflen)
{
size_t nread = buflen - 1;
int result;
char *match, *match2;
if (monitor_conn == NULL) {
return snprintf(buf, buflen, "IFNAME=%s %s - connection closed",
primary_iface, WPA_EVENT_TERMINATING);
}
result = wifi_ctrl_recv(buf, &nread);
/* Terminate reception on exit socket */
if (result == -2) {
return snprintf(buf, buflen, "IFNAME=%s %s - connection closed",
primary_iface, WPA_EVENT_TERMINATING);
}
if (result < 0) {
ALOGD("wifi_ctrl_recv failed: %s\n", strerror(errno));
return snprintf(buf, buflen, "IFNAME=%s %s - recv error",
primary_iface, WPA_EVENT_TERMINATING);
}
buf[nread] = '\0';
/* Check for EOF on the socket */
if (result == 0 && nread == 0) {
/* Fabricate an event to pass up */
ALOGD("Received EOF on supplicant socket\n");
return snprintf(buf, buflen, "IFNAME=%s %s - signal 0 received",
primary_iface, WPA_EVENT_TERMINATING);
}
/*
* Events strings are in the format
*
* IFNAME=iface <N>CTRL-EVENT-XXX
* or
* <N>CTRL-EVENT-XXX
*
* where N is the message level in numerical form (0=VERBOSE, 1=DEBUG,
* etc.) and XXX is the event name. The level information is not useful
* to us, so strip it off.
*/
if (strncmp(buf, IFNAME, IFNAMELEN) == 0) {
match = strchr(buf, ' ');
if (match != NULL) {
if (match[1] == '<') {
match2 = strchr(match + 2, '>');
if (match2 != NULL) {
nread -= (match2 - match);
memmove(match + 1, match2 + 1, nread - (match - buf) + 1);
}
}
} else {
return snprintf(buf, buflen, "%s", WPA_EVENT_IGNORE);
}
} else if (buf[0] == '<') {
match = strchr(buf, '>');
if (match != NULL) {
nread -= (match + 1 - buf);
memmove(buf, match + 1, nread + 1);
ALOGV("supplicant generated event without interface - %s\n", buf);
}
} else {
/* let the event go as is! */
ALOGW("supplicant generated event without interface and without message level - %s\n", buf);
}
return nread;
}