2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afs/param.h>
23 #include <rx/rx_prototypes.h>
24 #include <WINNT/afsreg.h>
29 long cm_daemonCheckDownInterval = 180;
30 long cm_daemonCheckUpInterval = 600;
31 long cm_daemonCheckVolInterval = 3600;
32 long cm_daemonCheckCBInterval = 60;
33 long cm_daemonCheckLockInterval = 60;
34 long cm_daemonTokenCheckInterval = 180;
36 osi_rwlock_t cm_daemonLock;
38 long cm_bkgQueueCount; /* # of queued requests */
40 int cm_bkgWaitingForCount; /* true if someone's waiting for cm_bkgQueueCount to drop */
42 cm_bkgRequest_t *cm_bkgListp; /* first elt in the list of requests */
43 cm_bkgRequest_t *cm_bkgListEndp; /* last elt in the list of requests */
45 static int daemon_ShutdownFlag = 0;
47 void cm_IpAddrDaemon(long parm)
49 extern void smb_CheckVCs(void);
51 rx_StartClientThread();
53 while (daemon_ShutdownFlag == 0) {
54 DWORD Result = NotifyAddrChange(NULL,NULL);
55 if (Result == NO_ERROR && daemon_ShutdownFlag == 0) {
56 osi_Log0(afsd_logp, "cm_IpAddrDaemon CheckDownServers");
58 cm_ForceNewConnectionsAllServers();
59 cm_CheckServers(CM_FLAG_CHECKUPSERVERS | CM_FLAG_CHECKDOWNSERVERS, NULL);
65 void cm_BkgDaemon(long parm)
69 rx_StartClientThread();
71 lock_ObtainWrite(&cm_daemonLock);
72 while (daemon_ShutdownFlag == 0) {
73 if (!cm_bkgListEndp) {
74 osi_SleepW((LONG_PTR)&cm_bkgListp, &cm_daemonLock);
75 lock_ObtainWrite(&cm_daemonLock);
79 /* we found a request */
81 cm_bkgListEndp = (cm_bkgRequest_t *) osi_QPrev(&rp->q);
82 osi_QRemove((osi_queue_t **) &cm_bkgListp, &rp->q);
83 osi_assert(cm_bkgQueueCount-- > 0);
84 lock_ReleaseWrite(&cm_daemonLock);
86 (*rp->procp)(rp->scp, rp->p1, rp->p2, rp->p3, rp->p4, rp->userp);
88 cm_ReleaseUser(rp->userp);
89 cm_ReleaseSCache(rp->scp);
92 lock_ObtainWrite(&cm_daemonLock);
94 lock_ReleaseWrite(&cm_daemonLock);
97 void cm_QueueBKGRequest(cm_scache_t *scp, cm_bkgProc_t *procp, long p1, long p2, long p3, long p4,
102 rp = malloc(sizeof(*rp));
103 memset(rp, 0, sizeof(*rp));
115 lock_ObtainWrite(&cm_daemonLock);
117 osi_QAdd((osi_queue_t **) &cm_bkgListp, &rp->q);
120 lock_ReleaseWrite(&cm_daemonLock);
122 osi_Wakeup((LONG_PTR) &cm_bkgListp);
126 IsWindowsFirewallPresent(void)
131 BOOLEAN result = FALSE;
132 LPQUERY_SERVICE_CONFIG pConfig = NULL;
136 /* Open services manager */
137 scm = OpenSCManager(NULL, NULL, GENERIC_READ);
138 if (!scm) return FALSE;
140 /* Open Windows Firewall service */
141 svc = OpenService(scm, "MpsSvc", SERVICE_QUERY_CONFIG);
143 afsi_log("MpsSvc Service could not be opened for query: 0x%x", GetLastError());
144 svc = OpenService(scm, "SharedAccess", SERVICE_QUERY_CONFIG);
146 afsi_log("SharedAccess Service could not be opened for query: 0x%x", GetLastError());
151 /* Query Windows Firewall service config, first just to get buffer size */
152 /* Expected to fail, so don't test return value */
153 (void) QueryServiceConfig(svc, NULL, 0, &BufSize);
154 status = GetLastError();
155 if (status != ERROR_INSUFFICIENT_BUFFER)
158 /* Allocate buffer */
159 pConfig = (LPQUERY_SERVICE_CONFIG)GlobalAlloc(GMEM_FIXED,BufSize);
163 /* Query Windows Firewall service config, this time for real */
164 flag = QueryServiceConfig(svc, pConfig, BufSize, &BufSize);
166 afsi_log("QueryServiceConfig failed: 0x%x", GetLastError());
170 /* Is it autostart? */
171 afsi_log("AutoStart 0x%x", pConfig->dwStartType);
172 if (pConfig->dwStartType < SERVICE_DEMAND_START)
178 CloseServiceHandle(svc);
180 CloseServiceHandle(scm);
186 cm_DaemonCheckInit(void)
193 code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY,
194 0, KEY_QUERY_VALUE, &parmKey);
198 dummyLen = sizeof(DWORD);
199 code = RegQueryValueEx(parmKey, "DownServerCheckInterval", NULL, NULL,
200 (BYTE *) &dummy, &dummyLen);
201 if (code == ERROR_SUCCESS)
202 cm_daemonCheckDownInterval = dummy;
204 dummyLen = sizeof(DWORD);
205 code = RegQueryValueEx(parmKey, "UpServerCheckInterval", NULL, NULL,
206 (BYTE *) &dummy, &dummyLen);
207 if (code == ERROR_SUCCESS)
208 cm_daemonCheckUpInterval = dummy;
210 dummyLen = sizeof(DWORD);
211 code = RegQueryValueEx(parmKey, "VolumeCheckInterval", NULL, NULL,
212 (BYTE *) &dummy, &dummyLen);
213 if (code == ERROR_SUCCESS)
214 cm_daemonCheckVolInterval = dummy;
216 dummyLen = sizeof(DWORD);
217 code = RegQueryValueEx(parmKey, "CallbackCheckInterval", NULL, NULL,
218 (BYTE *) &dummy, &dummyLen);
219 if (code == ERROR_SUCCESS)
220 cm_daemonCheckCBInterval = dummy;
222 dummyLen = sizeof(DWORD);
223 code = RegQueryValueEx(parmKey, "LockCheckInterval", NULL, NULL,
224 (BYTE *) &dummy, &dummyLen);
225 if (code == ERROR_SUCCESS)
226 cm_daemonCheckLockInterval = dummy;
228 dummyLen = sizeof(DWORD);
229 code = RegQueryValueEx(parmKey, "TokenCheckInterval", NULL, NULL,
230 (BYTE *) &dummy, &dummyLen);
231 if (code == ERROR_SUCCESS)
232 cm_daemonTokenCheckInterval = dummy;
234 RegCloseKey(parmKey);
237 /* periodic check daemon */
238 void cm_Daemon(long parm)
241 time_t lastLockCheck;
243 time_t lastCBExpirationCheck;
244 time_t lastDownServerCheck;
245 time_t lastUpServerCheck;
246 time_t lastTokenCacheCheck;
251 int configureFirewall = IsWindowsFirewallPresent();
253 if (!configureFirewall) {
254 afsi_log("No Windows Firewall detected");
257 /* ping all file servers, up or down, with unauthenticated connection,
258 * to find out whether we have all our callbacks from the server still.
259 * Also, ping down VLDBs.
262 * Seed the random number generator with our own address, so that
263 * clients starting at the same time don't all do vol checks at the
266 gethostname(thostName, sizeof(thostName));
267 thp = gethostbyname(thostName);
268 if (thp == NULL) /* In djgpp, gethostname returns the netbios
269 name of the machine. gethostbyname will fail
270 looking this up if it differs from DNS name. */
273 memcpy(&code, thp->h_addr_list[0], 4);
277 cm_DaemonCheckInit();
280 lastVolCheck = now - cm_daemonCheckVolInterval/2 + (rand() % cm_daemonCheckVolInterval);
281 lastCBExpirationCheck = now - cm_daemonCheckCBInterval/2 + (rand() % cm_daemonCheckCBInterval);
282 lastLockCheck = now - cm_daemonCheckLockInterval/2 + (rand() % cm_daemonCheckLockInterval);
283 lastDownServerCheck = now - cm_daemonCheckDownInterval/2 + (rand() % cm_daemonCheckDownInterval);
284 lastUpServerCheck = now - cm_daemonCheckUpInterval/2 + (rand() % cm_daemonCheckUpInterval);
285 lastTokenCacheCheck = now - cm_daemonTokenCheckInterval/2 + (rand() % cm_daemonTokenCheckInterval);
287 while (daemon_ShutdownFlag == 0) {
288 if (configureFirewall) {
289 /* Open Microsoft Firewall to allow in port 7001 */
290 switch (icf_CheckAndAddAFSPorts(AFS_PORTSET_CLIENT)) {
292 afsi_log("Windows Firewall Configuration succeeded");
293 configureFirewall = 0;
296 afsi_log("Invalid Windows Firewall Port Set");
299 afsi_log("Unable to open Windows Firewall Profile");
302 afsi_log("Unable to create/modify Windows Firewall Port entries");
305 afsi_log("Unknown Windows Firewall Configuration error");
309 /* find out what time it is */
312 /* check down servers */
313 if (now > lastDownServerCheck + cm_daemonCheckDownInterval) {
314 lastDownServerCheck = now;
315 osi_Log0(afsd_logp, "cm_Daemon CheckDownServers");
316 cm_CheckServers(CM_FLAG_CHECKDOWNSERVERS, NULL);
320 /* check up servers */
321 if (now > lastUpServerCheck + cm_daemonCheckUpInterval) {
322 lastUpServerCheck = now;
323 osi_Log0(afsd_logp, "cm_Daemon CheckUpServers");
324 cm_CheckServers(CM_FLAG_CHECKUPSERVERS, NULL);
328 if (now > lastVolCheck + cm_daemonCheckVolInterval) {
334 if (now > lastCBExpirationCheck + cm_daemonCheckCBInterval) {
335 lastCBExpirationCheck = now;
336 cm_CheckCBExpiration();
340 if (now > lastLockCheck + cm_daemonCheckLockInterval) {
346 if (now > lastTokenCacheCheck + cm_daemonTokenCheckInterval) {
347 lastTokenCacheCheck = now;
348 cm_CheckTokenCache(now);
352 /* allow an exit to be called prior to stopping the service */
353 hHookDll = LoadLibrary(AFSD_HOOK_DLL);
357 AfsdDaemonHook daemonHook = ( AfsdDaemonHook ) GetProcAddress(hHookDll, AFSD_DAEMON_HOOK);
360 hookRc = daemonHook();
362 FreeLibrary(hHookDll);
367 SetEvent(WaitToTerminate);
371 thrd_Sleep(30 * 1000); /* sleep 30 seconds */
372 if (daemon_ShutdownFlag == 1)
377 void cm_DaemonShutdown(void)
379 daemon_ShutdownFlag = 1;
382 void cm_InitDaemon(int nDaemons)
384 static osi_once_t once;
389 if (osi_Once(&once)) {
390 lock_InitializeRWLock(&cm_daemonLock, "cm_daemonLock");
393 /* creating IP Address Change monitor daemon */
394 phandle = thrd_Create((SecurityAttrib) 0, 0,
395 (ThreadFunc) cm_IpAddrDaemon, 0, 0, &pid, "cm_IpAddrDaemon");
396 osi_assert(phandle != NULL);
397 thrd_CloseHandle(phandle);
399 /* creating pinging daemon */
400 phandle = thrd_Create((SecurityAttrib) 0, 0,
401 (ThreadFunc) cm_Daemon, 0, 0, &pid, "cm_Daemon");
402 osi_assert(phandle != NULL);
403 thrd_CloseHandle(phandle);
405 for(i=0; i < nDaemons; i++) {
406 phandle = thrd_Create((SecurityAttrib) 0, 0,
407 (ThreadFunc) cm_BkgDaemon, 0, 0, &pid,
409 osi_assert(phandle != NULL);
410 thrd_CloseHandle(phandle);