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netwerk/wifi/nsWifiScannerSolaris.cpp@6474c204b198 (annotated)

netwerk/wifi/nsWifiScannerSolaris.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	#include "nsWifiMonitor.h"
michael@0	6	#include "nsWifiAccessPoint.h"
michael@0	7
michael@0	8	#include "nsServiceManagerUtils.h"
michael@0	9	#include "nsComponentManagerUtils.h"
michael@0	10	#include "nsIMutableArray.h"
michael@0	11
michael@0	12	#include "plstr.h"
michael@0	13	#include <glib.h>
michael@0	14
michael@0	15	#define DLADM_STRSIZE 256
michael@0	16	#define DLADM_SECTIONS 3
michael@0	17
michael@0	18	using namespace mozilla;
michael@0	19
michael@0	20	struct val_strength_t {
michael@0	21	const char *strength_name;
michael@0	22	int signal_value;
michael@0	23	};
michael@0	24
michael@0	25	static val_strength_t strength_vals[] = {
michael@0	26	{ "very weak", -112 },
michael@0	27	{ "weak", -88 },
michael@0	28	{ "good", -68 },
michael@0	29	{ "very good", -40 },
michael@0	30	{ "excellent", -16 }
michael@0	31	};
michael@0	32
michael@0	33	static nsWifiAccessPoint *
michael@0	34	do_parse_str(char *bssid_str, char *essid_str, char *strength)
michael@0	35	{
michael@0	36	unsigned char mac_as_int[6] = { 0 };
michael@0	37	sscanf(bssid_str, "%x:%x:%x:%x:%x:%x", &mac_as_int[0], &mac_as_int[1],
michael@0	38	&mac_as_int[2], &mac_as_int[3], &mac_as_int[4], &mac_as_int[5]);
michael@0	39
michael@0	40	int signal = 0;
michael@0	41	uint32_t strength_vals_count = sizeof(strength_vals) / sizeof (val_strength_t);
michael@0	42	for (uint32_t i = 0; i < strength_vals_count; i++) {
michael@0	43	if (!strncasecmp(strength, strength_vals[i].strength_name, DLADM_STRSIZE)) {
michael@0	44	signal = strength_vals[i].signal_value;
michael@0	45	break;
michael@0	46	}
michael@0	47	}
michael@0	48
michael@0	49	nsWifiAccessPoint *ap = new nsWifiAccessPoint();
michael@0	50	if (ap) {
michael@0	51	ap->setMac(mac_as_int);
michael@0	52	ap->setSignal(signal);
michael@0	53	ap->setSSID(essid_str, PL_strnlen(essid_str, DLADM_STRSIZE));
michael@0	54	}
michael@0	55	return ap;
michael@0	56	}
michael@0	57
michael@0	58	static void
michael@0	59	do_dladm(nsCOMArray<nsWifiAccessPoint> &accessPoints)
michael@0	60	{
michael@0	61	GError *err = nullptr;
michael@0	62	char *sout = nullptr;
michael@0	63	char *serr = nullptr;
michael@0	64	int exit_status = 0;
michael@0	65	char * dladm_args[] = { "/usr/bin/pfexec", "/usr/sbin/dladm",
michael@0	66	"scan-wifi", "-p", "-o", "BSSID,ESSID,STRENGTH" };
michael@0	67
michael@0	68	gboolean rv = g_spawn_sync("/", dladm_args, nullptr, (GSpawnFlags)0, nullptr,
michael@0	69	nullptr, &sout, &serr, &exit_status, &err);
michael@0	70	if (rv && !exit_status) {
michael@0	71	char wlan[DLADM_SECTIONS][DLADM_STRSIZE+1];
michael@0	72	uint32_t section = 0;
michael@0	73	uint32_t sout_scan = 0;
michael@0	74	uint32_t wlan_put = 0;
michael@0	75	bool escape = false;
michael@0	76	nsWifiAccessPoint* ap;
michael@0	77	char sout_char;
michael@0	78	do {
michael@0	79	sout_char = sout[sout_scan++];
michael@0	80	if (escape) {
michael@0	81	escape = false;
michael@0	82	if (sout_char != '\0') {
michael@0	83	wlan[section][wlan_put++] = sout_char;
michael@0	84	continue;
michael@0	85	}
michael@0	86	}
michael@0	87
michael@0	88	if (sout_char =='\\') {
michael@0	89	escape = true;
michael@0	90	continue;
michael@0	91	}
michael@0	92
michael@0	93	if (sout_char == ':') {
michael@0	94	wlan[section][wlan_put] = '\0';
michael@0	95	section++;
michael@0	96	wlan_put = 0;
michael@0	97	continue;
michael@0	98	}
michael@0	99
michael@0	100	if ((sout_char == '\0') || (sout_char == '\n')) {
michael@0	101	wlan[section][wlan_put] = '\0';
michael@0	102	if (section == DLADM_SECTIONS - 1) {
michael@0	103	ap = do_parse_str(wlan[0], wlan[1], wlan[2]);
michael@0	104	if (ap) {
michael@0	105	accessPoints.AppendObject(ap);
michael@0	106	}
michael@0	107	}
michael@0	108	section = 0;
michael@0	109	wlan_put = 0;
michael@0	110	continue;
michael@0	111	}
michael@0	112
michael@0	113	wlan[section][wlan_put++] = sout_char;
michael@0	114
michael@0	115	} while ((wlan_put <= DLADM_STRSIZE) && (section < DLADM_SECTIONS) &&
michael@0	116	(sout_char != '\0'));
michael@0	117	}
michael@0	118
michael@0	119	g_free(sout);
michael@0	120	g_free(serr);
michael@0	121	}
michael@0	122
michael@0	123	nsresult
michael@0	124	nsWifiMonitor::DoScan()
michael@0	125	{
michael@0	126	// Regularly get the access point data.
michael@0	127
michael@0	128	nsCOMArray<nsWifiAccessPoint> lastAccessPoints;
michael@0	129	nsCOMArray<nsWifiAccessPoint> accessPoints;
michael@0	130
michael@0	131	while (mKeepGoing) {
michael@0	132
michael@0	133	accessPoints.Clear();
michael@0	134	do_dladm(accessPoints);
michael@0	135
michael@0	136	bool accessPointsChanged = !AccessPointsEqual(accessPoints, lastAccessPoints);
michael@0	137	ReplaceArray(lastAccessPoints, accessPoints);
michael@0	138
michael@0	139	nsresult rv = CallWifiListeners(lastAccessPoints, accessPointsChanged);
michael@0	140	NS_ENSURE_SUCCESS(rv, rv);
michael@0	141
michael@0	142	LOG(("waiting on monitor\n"));
michael@0	143
michael@0	144	ReentrantMonitorAutoEnter mon(mReentrantMonitor);
michael@0	145	mon.Wait(PR_SecondsToInterval(60));
michael@0	146	}
michael@0	147
michael@0	148	return NS_OK;
michael@0	149	}