dlls/schedsvc/atsvc.c

   1 /*
   2  * ATSvc RPC API
   3  *
   4  * Copyright 2018 Dmitry Timoshkov
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define NONAMELESSUNION
  24 #include "windef.h"
  25 #include "atsvc.h"
  26 #include "mstask.h"
  27 #include "wine/list.h"
  28 #include "wine/debug.h"
  29
  30 #include "schedsvc_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(schedsvc);
  33
  34 /* lmat.h defines those, but other types in that file conflict
  35  * with generated atsvc.h typedefs.
  36  */
  37 #define JOB_ADD_CURRENT_DATE 0x08
  38 #define JOB_NONINTERACTIVE   0x10
  39
  40 typedef struct
  41 {
  42     USHORT product_version;
  43     USHORT file_version;
  44     UUID uuid;
  45     USHORT name_size_offset;
  46     USHORT trigger_offset;
  47     USHORT error_retry_count;
  48     USHORT error_retry_interval;
  49     USHORT idle_deadline;
  50     USHORT idle_wait;
  51     UINT priority;
  52     UINT maximum_runtime;
  53     UINT exit_code;
  54     UINT status;
  55     UINT flags;
  56     SYSTEMTIME last_runtime;
  57 } FIXDLEN_DATA;
  58
  59 struct job_t
  60 {
  61     struct list entry;
  62     WCHAR *name;
  63     WCHAR *params;
  64     WCHAR *curdir;
  65     AT_ENUM info;
  66     FIXDLEN_DATA data;
  67     USHORT instance_count;
  68     USHORT trigger_count;
  69     TASK_TRIGGER *trigger;
  70 };
  71
  72 struct running_job_t
  73 {
  74     struct list entry;
  75     UUID uuid;
  76     HANDLE process;
  77     DWORD pid;
  78 };
  79
  80 static LONG current_jobid = 1;
  81
  82 static struct list at_job_list = LIST_INIT(at_job_list);
  83 static struct list running_job_list = LIST_INIT(running_job_list);
  84
  85 static CRITICAL_SECTION at_job_list_section;
  86 static CRITICAL_SECTION_DEBUG cs_debug =
  87 {
  88     0, 0, &at_job_list_section,
  89     { &cs_debug.ProcessLocksList, &cs_debug.ProcessLocksList },
  90       0, 0, { (DWORD_PTR)(__FILE__ ": at_job_list_section") }
  91 };
  92 static CRITICAL_SECTION at_job_list_section = { &cs_debug, -1, 0, 0, 0, 0 };
  93
  94 static void filetime_add_ms(FILETIME *ft, LONGLONG ms)
  95 {
  96     union u_ftll
  97     {
  98         FILETIME ft;
  99         LONGLONG ll;
 100     } *ftll = (union u_ftll *)ft;
 101
 102     ftll->ll += ms * (LONGLONG)10000;
 103 }
 104
 105 static void filetime_add_minutes(FILETIME *ft, LONG minutes)
 106 {
 107     filetime_add_ms(ft, (LONGLONG)minutes * 60 * 1000);
 108 }
 109
 110 static void filetime_add_hours(FILETIME *ft, LONG hours)
 111 {
 112     filetime_add_minutes(ft, (LONGLONG)hours * 60);
 113 }
 114
 115 static void filetime_add_days(FILETIME *ft, LONG days)
 116 {
 117     filetime_add_hours(ft, (LONGLONG)days * 24);
 118 }
 119
 120 static void filetime_add_weeks(FILETIME *ft, LONG weeks)
 121 {
 122     filetime_add_days(ft, (LONGLONG)weeks * 7);
 123 }
 124
 125 static void get_begin_time(const TASK_TRIGGER *trigger, FILETIME *ft)
 126 {
 127     SYSTEMTIME st;
 128
 129     st.wYear = trigger->wBeginYear;
 130     st.wMonth = trigger->wBeginMonth;
 131     st.wDay = trigger->wBeginDay;
 132     st.wDayOfWeek = 0;
 133     st.wHour = 0;
 134     st.wMinute = 0;
 135     st.wSecond = 0;
 136     st.wMilliseconds = 0;
 137     SystemTimeToFileTime(&st, ft);
 138 }
 139
 140 static void get_end_time(const TASK_TRIGGER *trigger, FILETIME *ft)
 141 {
 142     SYSTEMTIME st;
 143
 144     if (!(trigger->rgFlags & TASK_TRIGGER_FLAG_HAS_END_DATE))
 145     {
 146         ft->dwHighDateTime = ~0u;
 147         ft->dwLowDateTime = ~0u;
 148         return;
 149     }
 150
 151     st.wYear = trigger->wEndYear;
 152     st.wMonth = trigger->wEndMonth;
 153     st.wDay = trigger->wEndDay;
 154     st.wDayOfWeek = 0;
 155     st.wHour = 0;
 156     st.wMinute = 0;
 157     st.wSecond = 0;
 158     st.wMilliseconds = 0;
 159     SystemTimeToFileTime(&st, ft);
 160 }
 161
 162 static BOOL trigger_get_next_runtime(const TASK_TRIGGER *trigger, const FILETIME *current_ft, FILETIME *rt)
 163 {
 164     SYSTEMTIME st, current_st;
 165     FILETIME begin_ft, end_ft, trigger_ft;
 166
 167     if (trigger->rgFlags & TASK_TRIGGER_FLAG_DISABLED)
 168         return FALSE;
 169
 170     FileTimeToSystemTime(current_ft, &current_st);
 171
 172     get_begin_time(trigger, &begin_ft);
 173     if (CompareFileTime(&begin_ft, current_ft) < 0)
 174         begin_ft = *current_ft;
 175
 176     get_end_time(trigger, &end_ft);
 177
 178     switch (trigger->TriggerType)
 179     {
 180     case TASK_EVENT_TRIGGER_ON_IDLE:
 181     case TASK_EVENT_TRIGGER_AT_SYSTEMSTART:
 182     case TASK_EVENT_TRIGGER_AT_LOGON:
 183         return FALSE;
 184
 185     case TASK_TIME_TRIGGER_ONCE:
 186         st = current_st;
 187         st.wHour = trigger->wStartHour;
 188         st.wMinute = trigger->wStartMinute;
 189         st.wSecond = 0;
 190         st.wMilliseconds = 0;
 191         SystemTimeToFileTime(&st, &trigger_ft);
 192         if (CompareFileTime(&begin_ft, &trigger_ft) <= 0 && CompareFileTime(&trigger_ft, &end_ft) < 0)
 193         {
 194             *rt = trigger_ft;
 195             return TRUE;
 196         }
 197         break;
 198
 199     case TASK_TIME_TRIGGER_DAILY:
 200         if (!trigger->Type.Daily.DaysInterval)
 201             break; /* avoid infinite loop */
 202
 203         st = current_st;
 204         st.wHour = trigger->wStartHour;
 205         st.wMinute = trigger->wStartMinute;
 206         st.wSecond = 0;
 207         st.wMilliseconds = 0;
 208         SystemTimeToFileTime(&st, &trigger_ft);
 209         while (CompareFileTime(&trigger_ft, &end_ft) < 0)
 210         {
 211             if (CompareFileTime(&trigger_ft, &begin_ft) >= 0)
 212             {
 213                 *rt = trigger_ft;
 214                 return TRUE;
 215             }
 216
 217             filetime_add_days(&trigger_ft, trigger->Type.Daily.DaysInterval);
 218         }
 219         break;
 220
 221     case TASK_TIME_TRIGGER_WEEKLY:
 222         if (!trigger->Type.Weekly.rgfDaysOfTheWeek)
 223             break; /* avoid infinite loop */
 224
 225         st = current_st;
 226         st.wHour = trigger->wStartHour;
 227         st.wMinute = trigger->wStartMinute;
 228         st.wSecond = 0;
 229         st.wMilliseconds = 0;
 230         SystemTimeToFileTime(&st, &trigger_ft);
 231         while (CompareFileTime(&trigger_ft, &end_ft) < 0)
 232         {
 233             FileTimeToSystemTime(&trigger_ft, &st);
 234
 235             if (CompareFileTime(&trigger_ft, &begin_ft) >= 0)
 236             {
 237                 if (trigger->Type.Weekly.rgfDaysOfTheWeek & (1 << st.wDayOfWeek))
 238                 {
 239                     *rt = trigger_ft;
 240                     return TRUE;
 241                 }
 242             }
 243
 244             if (st.wDayOfWeek == 0 && trigger->Type.Weekly.WeeksInterval > 1) /* Sunday, goto next week */
 245                 filetime_add_weeks(&trigger_ft, trigger->Type.Weekly.WeeksInterval - 1);
 246             else /* check next weekday */
 247                 filetime_add_days(&trigger_ft, 1);
 248         }
 249         break;
 250
 251     default:
 252         FIXME("trigger type %u is not handled\n", trigger->TriggerType);
 253         break;
 254     }
 255
 256     return FALSE;
 257 }
 258
 259 static BOOL job_get_next_runtime(struct job_t *job, const FILETIME *current_ft, FILETIME *next_rt)
 260 {
 261     FILETIME trigger_rt;
 262     BOOL have_next_rt = FALSE;
 263     USHORT i;
 264
 265     for (i = 0; i < job->trigger_count; i++)
 266     {
 267         if (trigger_get_next_runtime(&job->trigger[i], current_ft, &trigger_rt))
 268         {
 269             if (!have_next_rt || CompareFileTime(&trigger_rt, next_rt) < 0)
 270             {
 271                 *next_rt = trigger_rt;
 272                 have_next_rt = TRUE;
 273             }
 274         }
 275     }
 276
 277     return have_next_rt;
 278 }
 279
 280 /* Returns next runtime in UTC */
 281 BOOL get_next_runtime(LARGE_INTEGER *rt)
 282 {
 283     FILETIME current_ft, job_rt, next_job_rt;
 284     BOOL have_next_rt = FALSE;
 285     struct job_t *job;
 286
 287     GetSystemTimeAsFileTime(&current_ft);
 288     FileTimeToLocalFileTime(&current_ft, &current_ft);
 289
 290     EnterCriticalSection(&at_job_list_section);
 291
 292     LIST_FOR_EACH_ENTRY(job, &at_job_list, struct job_t, entry)
 293     {
 294         if (job_get_next_runtime(job, &current_ft, &job_rt))
 295         {
 296             if (!have_next_rt || CompareFileTime(&job_rt, &next_job_rt) < 0)
 297             {
 298                 next_job_rt = job_rt;
 299                 have_next_rt = TRUE;
 300             }
 301         }
 302     }
 303
 304     LeaveCriticalSection(&at_job_list_section);
 305
 306     if (have_next_rt)
 307     {
 308         LocalFileTimeToFileTime(&next_job_rt, &next_job_rt);
 309         rt->u.LowPart = next_job_rt.dwLowDateTime;
 310         rt->u.HighPart = next_job_rt.dwHighDateTime;
 311     }
 312
 313     return have_next_rt;
 314 }
 315
 316 static BOOL job_runs_at(struct job_t *job, const FILETIME *begin_ft, const FILETIME *end_ft)
 317 {
 318     FILETIME job_ft;
 319
 320     if (job_get_next_runtime(job, begin_ft, &job_ft))
 321     {
 322         if (CompareFileTime(&job_ft, end_ft) < 0)
 323             return TRUE;
 324     }
 325
 326     return FALSE;
 327 }
 328
 329 static DWORD load_unicode_strings(const char *data, DWORD limit, struct job_t *job)
 330 {
 331     DWORD i, data_size = 0;
 332     USHORT len;
 333
 334     for (i = 0; i < 5; i++)
 335     {
 336         if (limit < sizeof(USHORT))
 337         {
 338             TRACE("invalid string %u offset\n", i);
 339             break;
 340         }
 341
 342         len = *(USHORT *)data;
 343         data += sizeof(USHORT);
 344         data_size += sizeof(USHORT);
 345         limit -= sizeof(USHORT);
 346         if (limit < len * sizeof(WCHAR))
 347         {
 348             TRACE("invalid string %u size\n", i);
 349             break;
 350         }
 351
 352         TRACE("string %u: %s\n", i, wine_dbgstr_wn((const WCHAR *)data, len));
 353
 354         switch (i)
 355         {
 356         case 0:
 357             job->info.Command = heap_strdupW((const WCHAR *)data);
 358             break;
 359
 360         case 1:
 361             job->params = heap_strdupW((const WCHAR *)data);
 362             break;
 363
 364         case 2:
 365             job->curdir = heap_strdupW((const WCHAR *)data);
 366             break;
 367
 368         default:
 369             break;
 370         }
 371
 372         data += len * sizeof(WCHAR);
 373         data_size += len * sizeof(WCHAR);
 374     }
 375
 376     return data_size;
 377 }
 378
 379 static BOOL load_job_data(const char *data, DWORD size, struct job_t *info)
 380 {
 381     const FIXDLEN_DATA *fixed;
 382     const SYSTEMTIME *st;
 383     DWORD unicode_strings_size, data_size, triggers_size;
 384     USHORT i;
 385     const USHORT *signature;
 386     const TASK_TRIGGER *trigger;
 387
 388     memset(info, 0, sizeof(*info));
 389
 390     if (size < sizeof(*fixed))
 391     {
 392         TRACE("no space for FIXDLEN_DATA\n");
 393         return FALSE;
 394     }
 395
 396     fixed = (const FIXDLEN_DATA *)data;
 397     info->data = *fixed;
 398
 399     TRACE("product_version %04x\n", fixed->product_version);
 400     TRACE("file_version %04x\n", fixed->file_version);
 401     TRACE("uuid %s\n", wine_dbgstr_guid(&fixed->uuid));
 402
 403     if (fixed->file_version != 0x0001)
 404     {
 405         TRACE("invalid file version\n");
 406         return FALSE;
 407     }
 408
 409     TRACE("name_size_offset %04x\n", fixed->name_size_offset);
 410     TRACE("trigger_offset %04x\n", fixed->trigger_offset);
 411     TRACE("error_retry_count %u\n", fixed->error_retry_count);
 412     TRACE("error_retry_interval %u\n", fixed->error_retry_interval);
 413     TRACE("idle_deadline %u\n", fixed->idle_deadline);
 414     TRACE("idle_wait %u\n", fixed->idle_wait);
 415     TRACE("priority %08x\n", fixed->priority);
 416     TRACE("maximum_runtime %u\n", fixed->maximum_runtime);
 417     TRACE("exit_code %#x\n", fixed->exit_code);
 418     TRACE("status %08x\n", fixed->status);
 419     TRACE("flags %08x\n", fixed->flags);
 420     st = &fixed->last_runtime;
 421     TRACE("last_runtime %d/%d/%d wday %d %d:%d:%d.%03d\n",
 422             st->wDay, st->wMonth, st->wYear, st->wDayOfWeek,
 423             st->wHour, st->wMinute, st->wSecond, st->wMilliseconds);
 424
 425     /* Instance Count */
 426     if (size < sizeof(*fixed) + sizeof(USHORT))
 427     {
 428         TRACE("no space for instance count\n");
 429         return FALSE;
 430     }
 431
 432     info->instance_count = *(const USHORT *)(data + sizeof(*fixed));
 433     TRACE("instance count %u\n", info->instance_count);
 434
 435     if (fixed->name_size_offset + sizeof(USHORT) < size)
 436         unicode_strings_size = load_unicode_strings(data + fixed->name_size_offset, size - fixed->name_size_offset, info);
 437     else
 438     {
 439         TRACE("invalid name_size_offset\n");
 440         return FALSE;
 441     }
 442     TRACE("unicode strings end at %#x\n", fixed->name_size_offset + unicode_strings_size);
 443
 444     if (size < fixed->trigger_offset + sizeof(USHORT))
 445     {
 446         TRACE("no space for triggers count\n");
 447         return FALSE;
 448     }
 449     info->trigger_count = *(const USHORT *)(data + fixed->trigger_offset);
 450     TRACE("trigger_count %u\n", info->trigger_count);
 451     triggers_size = size - fixed->trigger_offset - sizeof(USHORT);
 452     TRACE("triggers_size %u\n", triggers_size);
 453
 454     data += fixed->name_size_offset + unicode_strings_size;
 455     size -= fixed->name_size_offset + unicode_strings_size;
 456
 457     /* User Data */
 458     if (size < sizeof(USHORT))
 459     {
 460         TRACE("no space for user data size\n");
 461         return FALSE;
 462     }
 463
 464     data_size = *(const USHORT *)data;
 465     if (size < sizeof(USHORT) + data_size)
 466     {
 467         TRACE("no space for user data\n");
 468         return FALSE;
 469     }
 470     TRACE("User Data size %#x\n", data_size);
 471
 472     size -= sizeof(USHORT) + data_size;
 473     data += sizeof(USHORT) + data_size;
 474
 475     /* Reserved Data */
 476     if (size < sizeof(USHORT))
 477     {
 478         TRACE("no space for reserved data size\n");
 479         return FALSE;
 480     }
 481
 482     data_size = *(const USHORT *)data;
 483     if (size < sizeof(USHORT) + data_size)
 484     {
 485         TRACE("no space for reserved data\n");
 486         return FALSE;
 487     }
 488     TRACE("Reserved Data size %#x\n", data_size);
 489
 490     size -= sizeof(USHORT) + data_size;
 491     data += sizeof(USHORT) + data_size;
 492
 493     /* Trigger Data */
 494     TRACE("trigger_offset %04x, triggers end at %04x\n", fixed->trigger_offset,
 495           (DWORD)(fixed->trigger_offset + sizeof(USHORT) + info->trigger_count * sizeof(TASK_TRIGGER)));
 496
 497     info->trigger_count = *(const USHORT *)data;
 498     TRACE("trigger_count %u\n", info->trigger_count);
 499     trigger = (const TASK_TRIGGER *)(data + sizeof(USHORT));
 500
 501     if (info->trigger_count * sizeof(TASK_TRIGGER) > triggers_size)
 502     {
 503         TRACE("no space for triggers data\n");
 504         return FALSE;
 505     }
 506
 507     info->trigger = heap_alloc(info->trigger_count * sizeof(info->trigger[0]));
 508     if (!info->trigger)
 509     {
 510         TRACE("not enough memory for trigger data\n");
 511         return FALSE;
 512     }
 513
 514     for (i = 0; i < info->trigger_count; i++)
 515     {
 516         TRACE("%u: cbTriggerSize = %#x\n", i, trigger[i].cbTriggerSize);
 517         if (trigger[i].cbTriggerSize != sizeof(TASK_TRIGGER))
 518             TRACE("invalid cbTriggerSize\n");
 519         TRACE("Reserved1 = %#x\n", trigger[i].Reserved1);
 520         TRACE("wBeginYear = %u\n", trigger[i].wBeginYear);
 521         TRACE("wBeginMonth = %u\n", trigger[i].wBeginMonth);
 522         TRACE("wBeginDay = %u\n", trigger[i].wBeginDay);
 523         TRACE("wEndYear = %u\n", trigger[i].wEndYear);
 524         TRACE("wEndMonth = %u\n", trigger[i].wEndMonth);
 525         TRACE("wEndDay = %u\n", trigger[i].wEndDay);
 526         TRACE("wStartHour = %u\n", trigger[i].wStartHour);
 527         TRACE("wStartMinute = %u\n", trigger[i].wStartMinute);
 528         TRACE("MinutesDuration = %u\n", trigger[i].MinutesDuration);
 529         TRACE("MinutesInterval = %u\n", trigger[i].MinutesInterval);
 530         TRACE("rgFlags = %u\n", trigger[i].rgFlags);
 531         TRACE("TriggerType = %u\n", trigger[i].TriggerType);
 532         TRACE("Reserved2 = %u\n", trigger[i].Reserved2);
 533         TRACE("wRandomMinutesInterval = %u\n", trigger[i].wRandomMinutesInterval);
 534
 535         info->trigger[i] = trigger[i];
 536     }
 537
 538     size -= sizeof(USHORT) + info->trigger_count * sizeof(TASK_TRIGGER);
 539     data += sizeof(USHORT) + info->trigger_count * sizeof(TASK_TRIGGER);
 540
 541     if (size < 2 * sizeof(USHORT) + 64)
 542     {
 543         TRACE("no space for signature\n");
 544         return TRUE; /* signature is optional */
 545     }
 546
 547     signature = (const USHORT *)data;
 548     TRACE("signature version %04x, client version %04x\n", signature[0], signature[1]);
 549
 550     return TRUE;
 551 }
 552
 553 static BOOL load_job(const WCHAR *name, struct job_t *info)
 554 {
 555     HANDLE file, mapping;
 556     DWORD size, try;
 557     void *data;
 558     BOOL ret = FALSE;
 559
 560     try = 1;
 561     for (;;)
 562     {
 563         file = CreateFileW(name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
 564         if (file == INVALID_HANDLE_VALUE)
 565         {
 566             TRACE("Failed to open %s, error %u\n", debugstr_w(name), GetLastError());
 567             if (GetLastError() != ERROR_SHARING_VIOLATION || try++ >= 3) break;
 568             Sleep(100);
 569             continue;
 570         }
 571
 572         size = GetFileSize(file, NULL);
 573
 574         mapping = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, 0);
 575         if (!mapping)
 576         {
 577             TRACE("Failed to create file mapping %s, error %u\n", debugstr_w(name), GetLastError());
 578             CloseHandle(file);
 579             break;
 580         }
 581
 582         data = MapViewOfFile(mapping, FILE_MAP_READ, 0, 0, 0);
 583         if (data)
 584         {
 585             ret = load_job_data(data, size, info);
 586             UnmapViewOfFile(data);
 587         }
 588
 589         CloseHandle(mapping);
 590         CloseHandle(file);
 591         break;
 592     }
 593
 594     return ret;
 595 }
 596
 597 static void free_job_info(AT_ENUM *info)
 598 {
 599     heap_free(info->Command);
 600 }
 601
 602 static void free_job(struct job_t *job)
 603 {
 604     free_job_info(&job->info);
 605     heap_free(job->name);
 606     heap_free(job->params);
 607     heap_free(job->curdir);
 608     heap_free(job->trigger);
 609     heap_free(job);
 610 }
 611
 612 void add_job(const WCHAR *name)
 613 {
 614     struct job_t *job;
 615
 616     job = heap_alloc_zero(sizeof(*job));
 617     if (!job) return;
 618
 619     if (!load_job(name, job))
 620     {
 621         free_job(job);
 622         return;
 623     }
 624
 625     EnterCriticalSection(&at_job_list_section);
 626     job->name = heap_strdupW(name);
 627     job->info.JobId = current_jobid++;
 628     list_add_tail(&at_job_list, &job->entry);
 629     LeaveCriticalSection(&at_job_list_section);
 630 }
 631
 632 static inline BOOL is_file(const WIN32_FIND_DATAW *data)
 633 {
 634     return !(data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY);
 635 }
 636
 637 void load_at_tasks(void)
 638 {
 639     static const WCHAR tasksW[] = { '\\','T','a','s','k','s','\\',0 };
 640     static const WCHAR allW[] = { '*',0 };
 641     WCHAR windir[MAX_PATH], path[MAX_PATH];
 642     WIN32_FIND_DATAW data;
 643     HANDLE handle;
 644
 645     GetWindowsDirectoryW(windir, MAX_PATH);
 646     lstrcpyW(path, windir);
 647     lstrcatW(path, tasksW);
 648     lstrcatW(path, allW);
 649
 650     handle = FindFirstFileW(path, &data);
 651     if (handle == INVALID_HANDLE_VALUE) return;
 652
 653     do
 654     {
 655         if (is_file(&data))
 656         {
 657             lstrcpyW(path, windir);
 658             lstrcatW(path, tasksW);
 659
 660             if (lstrlenW(path) + lstrlenW(data.cFileName) < MAX_PATH)
 661             {
 662                 lstrcatW(path, data.cFileName);
 663                 add_job(path);
 664             }
 665             else
 666                 FIXME("too long file name %s\n", debugstr_w(data.cFileName));
 667         }
 668     } while (FindNextFileW(handle, &data));
 669
 670     FindClose(handle);
 671 }
 672
 673 static BOOL write_signature(HANDLE hfile)
 674 {
 675     struct
 676     {
 677         USHORT SignatureVersion;
 678         USHORT ClientVersion;
 679         BYTE md5[64];
 680     } signature;
 681     DWORD size;
 682
 683     signature.SignatureVersion = 0x0001;
 684     signature.ClientVersion = 0x0001;
 685     memset(&signature.md5, 0, sizeof(signature.md5));
 686
 687     return WriteFile(hfile, &signature, sizeof(signature), &size, NULL);
 688 }
 689
 690 static BOOL write_reserved_data(HANDLE hfile)
 691 {
 692     static const struct
 693     {
 694         USHORT size;
 695         BYTE data[8];
 696     } user = { 8, { 0xff,0x0f,0x1d,0,0,0,0,0 } };
 697     DWORD size;
 698
 699     return WriteFile(hfile, &user, sizeof(user), &size, NULL);
 700 }
 701
 702 static BOOL write_trigger(HANDLE hfile, const AT_INFO *info)
 703 {
 704     USHORT count;
 705     DWORD size;
 706     SYSTEMTIME st;
 707     TASK_TRIGGER trigger;
 708
 709     count = 1;
 710     if (!WriteFile(hfile, &count, sizeof(count), &size, NULL))
 711         return FALSE;
 712
 713     GetSystemTime(&st);
 714     if (!(info->Flags & JOB_ADD_CURRENT_DATE))
 715     {
 716         /* FIXME: parse AT_INFO */
 717     }
 718
 719     trigger.cbTriggerSize = sizeof(trigger);
 720     trigger.Reserved1 = 0;
 721     trigger.wBeginYear = st.wYear;
 722     trigger.wBeginMonth = st.wMonth;
 723     trigger.wBeginDay = st.wDay;
 724     trigger.wEndYear = st.wYear;
 725     trigger.wEndMonth = st.wMonth;
 726     trigger.wEndDay = st.wDay;
 727     trigger.wStartHour = st.wHour;
 728     trigger.wStartMinute = st.wMinute;
 729     trigger.MinutesDuration = 0;
 730     trigger.MinutesInterval = 0;
 731     /* FIXME */
 732     trigger.rgFlags = TASK_TRIGGER_FLAG_HAS_END_DATE;
 733     trigger.TriggerType = TASK_TIME_TRIGGER_MONTHLYDATE;
 734     trigger.Type.MonthlyDate.rgfDays = 0;
 735     trigger.Type.MonthlyDate.rgfMonths = 0xffff;
 736     trigger.Reserved2 = 0;
 737     trigger.wRandomMinutesInterval = 0;
 738
 739     return WriteFile(hfile, &trigger, sizeof(trigger), &size, NULL);
 740 }
 741
 742 static BOOL write_unicode_string(HANDLE hfile, const WCHAR *str)
 743 {
 744     USHORT count;
 745     DWORD size;
 746
 747     count = str ? (lstrlenW(str) + 1) : 0;
 748     if (!WriteFile(hfile, &count, sizeof(count), &size, NULL))
 749         return FALSE;
 750
 751     if (!str) return TRUE;
 752
 753     count *= sizeof(WCHAR);
 754     return WriteFile(hfile, str, count, &size, NULL);
 755 }
 756
 757 static BOOL create_job(const WCHAR *job_name, const AT_INFO *info)
 758 {
 759     static WCHAR authorW[] = { 'W','i','n','e',0 };
 760     static WCHAR commentW[] = { 'C','r','e','a','t','e','d',' ','b','y',' ','W','i','n','e',0 };
 761     FIXDLEN_DATA fixed;
 762     USHORT word;
 763     HANDLE hfile;
 764     DWORD size, ver;
 765     BOOL ret = FALSE;
 766
 767     TRACE("trying to create job %s\n", debugstr_w(job_name));
 768     hfile = CreateFileW(job_name, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, 0);
 769     if (hfile == INVALID_HANDLE_VALUE)
 770         return FALSE;
 771
 772     ver = GetVersion();
 773     fixed.product_version = MAKEWORD(ver >> 8, ver);
 774     fixed.file_version = 0x0001;
 775     UuidCreate(&fixed.uuid);
 776     fixed.name_size_offset = sizeof(fixed) + sizeof(USHORT); /* FIXDLEN_DATA + Instance Count */
 777     fixed.trigger_offset = sizeof(fixed) + sizeof(USHORT); /* FIXDLEN_DATA + Instance Count */
 778     fixed.trigger_offset += sizeof(USHORT) + (lstrlenW(info->Command) + 1) * sizeof(WCHAR); /* Application Name */
 779     fixed.trigger_offset += sizeof(USHORT); /* Parameters */
 780     fixed.trigger_offset += sizeof(USHORT); /* Working Directory */
 781     fixed.trigger_offset += sizeof(USHORT) + (lstrlenW(authorW) + 1) * sizeof(WCHAR); /* Author */
 782     fixed.trigger_offset += sizeof(USHORT) + (lstrlenW(commentW) + 1) * sizeof(WCHAR); /* Comment */
 783     fixed.trigger_offset += sizeof(USHORT); /* User Data */
 784     fixed.trigger_offset += 10; /* Reserved Data */
 785     fixed.error_retry_count = 0;
 786     fixed.error_retry_interval = 0;
 787     fixed.idle_deadline = 60;
 788     fixed.idle_wait = 10;
 789     fixed.priority = NORMAL_PRIORITY_CLASS;
 790     fixed.maximum_runtime = 259200000;
 791     fixed.exit_code = 0;
 792     fixed.status = SCHED_S_TASK_HAS_NOT_RUN;
 793     fixed.flags = TASK_FLAG_DELETE_WHEN_DONE;
 794     if (!(info->Flags & JOB_NONINTERACTIVE))
 795         fixed.flags |= TASK_FLAG_INTERACTIVE;
 796     /* FIXME: add other flags */
 797     memset(&fixed.last_runtime, 0, sizeof(fixed.last_runtime));
 798
 799     if (!WriteFile(hfile, &fixed, sizeof(fixed), &size, NULL))
 800         goto failed;
 801
 802     /* Instance Count */
 803     word = 0;
 804     if (!WriteFile(hfile, &word, sizeof(word), &size, NULL))
 805         goto failed;
 806     /* Application Name */
 807     if (!write_unicode_string(hfile, info->Command))
 808         goto failed;
 809     /* Parameters */
 810     if (!write_unicode_string(hfile, NULL))
 811         goto failed;
 812     /* Working Directory */
 813     if (!write_unicode_string(hfile, NULL))
 814         goto failed;
 815     /* Author */
 816     if (!write_unicode_string(hfile, authorW))
 817         goto failed;
 818     /* Comment */
 819     if (!write_unicode_string(hfile, commentW))
 820         goto failed;
 821
 822     /* User Data */
 823     word = 0;
 824     if (!WriteFile(hfile, &word, sizeof(word), &size, NULL))
 825         goto failed;
 826
 827     /* Reserved Data */
 828     if (!write_reserved_data(hfile))
 829         goto failed;
 830
 831     /* Triggers */
 832     if (!write_trigger(hfile, info))
 833         goto failed;
 834
 835     /* Signature */
 836     if (!write_signature(hfile))
 837         goto failed;
 838
 839     ret = TRUE;
 840
 841 failed:
 842     CloseHandle(hfile);
 843     if (!ret) DeleteFileW(job_name);
 844     return ret;
 845 }
 846
 847 static struct job_t *find_job(DWORD jobid, const WCHAR *name, const UUID *id)
 848 {
 849     struct job_t *job;
 850
 851     LIST_FOR_EACH_ENTRY(job, &at_job_list, struct job_t, entry)
 852     {
 853         if (job->info.JobId == jobid || (name && !lstrcmpiW(job->name, name)) || (id && IsEqualGUID(&job->data.uuid, id)))
 854             return job;
 855     }
 856
 857     return NULL;
 858 }
 859
 860 static void update_job_status(struct job_t *job)
 861 {
 862     HANDLE hfile;
 863     DWORD try, size;
 864 #include "pshpack2.h"
 865     struct
 866     {
 867         UINT exit_code;
 868         UINT status;
 869         UINT flags;
 870         SYSTEMTIME last_runtime;
 871         WORD instance_count;
 872     } state;
 873 #include "poppack.h"
 874
 875     try = 1;
 876     for (;;)
 877     {
 878         hfile = CreateFileW(job->name, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
 879         if (hfile != INVALID_HANDLE_VALUE) break;
 880
 881         if (GetLastError() != ERROR_SHARING_VIOLATION || try++ >= 3)
 882         {
 883             TRACE("Failed to update %s, error %u\n", debugstr_w(job->name), GetLastError());
 884             return;
 885         }
 886         Sleep(100);
 887     }
 888
 889     if (SetFilePointer(hfile, FIELD_OFFSET(FIXDLEN_DATA, exit_code), NULL, FILE_BEGIN) != INVALID_SET_FILE_POINTER)
 890     {
 891         state.exit_code = job->data.exit_code;
 892         state.status = job->data.status;
 893         state.flags = job->data.flags;
 894         state.last_runtime = job->data.last_runtime;
 895         state.instance_count = job->instance_count;
 896         WriteFile(hfile, &state, sizeof(state), &size, NULL);
 897     }
 898
 899     CloseHandle(hfile);
 900 }
 901
 902 void update_process_status(DWORD pid)
 903 {
 904     struct running_job_t *runjob;
 905
 906     EnterCriticalSection(&at_job_list_section);
 907
 908     LIST_FOR_EACH_ENTRY(runjob, &running_job_list, struct running_job_t, entry)
 909     {
 910         if (runjob->pid == pid)
 911         {
 912             struct job_t *job = find_job(0, NULL, &runjob->uuid);
 913             if (job)
 914             {
 915                 DWORD exit_code = STILL_ACTIVE;
 916
 917                 GetExitCodeProcess(runjob->process, &exit_code);
 918
 919                 if (exit_code != STILL_ACTIVE)
 920                 {
 921                     CloseHandle(runjob->process);
 922                     list_remove(&runjob->entry);
 923                     heap_free(runjob);
 924
 925                     job->data.exit_code = exit_code;
 926                     job->data.status = SCHED_S_TASK_TERMINATED;
 927                     job->data.flags &= ~0x0c000000;
 928                     job->instance_count = 0;
 929                     update_job_status(job);
 930                 }
 931             }
 932             break;
 933         }
 934     }
 935
 936     LeaveCriticalSection(&at_job_list_section);
 937 }
 938
 939 void check_task_state(void)
 940 {
 941     struct job_t *job;
 942     struct running_job_t *runjob;
 943
 944     EnterCriticalSection(&at_job_list_section);
 945
 946     LIST_FOR_EACH_ENTRY(job, &at_job_list, struct job_t, entry)
 947     {
 948         if (job->data.flags & 0x08000000)
 949         {
 950             TRACE("terminating process %s\n", debugstr_w(job->info.Command));
 951
 952             LIST_FOR_EACH_ENTRY(runjob, &running_job_list, struct running_job_t, entry)
 953             {
 954                 if (IsEqualGUID(&job->data.uuid, &runjob->uuid))
 955                 {
 956                     TerminateProcess(runjob->process, 0);
 957                     update_process_status(runjob->pid);
 958                     break;
 959                 }
 960             }
 961         }
 962         else if (job->data.flags & 0x04000000)
 963         {
 964             STARTUPINFOW si;
 965             PROCESS_INFORMATION pi;
 966
 967             TRACE("running process %s\n", debugstr_w(job->info.Command));
 968
 969             if (job->instance_count)
 970                 FIXME("process %s is already running\n", debugstr_w(job->info.Command));
 971
 972             runjob = heap_alloc(sizeof(*runjob));
 973             if (runjob)
 974             {
 975                 static WCHAR winsta0[] = { 'W','i','n','S','t','a','0',0 };
 976
 977                 memset(&si, 0, sizeof(si));
 978                 si.cb = sizeof(si);
 979                 /* FIXME: if (job->data.flags & TASK_FLAG_INTERACTIVE) */
 980                 si.lpDesktop = winsta0;
 981                 si.dwFlags = STARTF_USESHOWWINDOW;
 982                 si.wShowWindow = SW_SHOWNORMAL;
 983                 TRACE("executing %s %s at %s\n", debugstr_w(job->info.Command), debugstr_w(job->params), debugstr_w(job->curdir));
 984                 if (CreateProcessW(job->info.Command, job->params, NULL, NULL, FALSE, 0, NULL, job->curdir, &si, &pi))
 985                 {
 986                     CloseHandle(pi.hThread);
 987
 988                     GetLocalTime(&job->data.last_runtime);
 989                     job->data.exit_code = 0;
 990                     job->data.status = SCHED_S_TASK_RUNNING;
 991                     job->instance_count = 1;
 992
 993                     runjob->uuid = job->data.uuid;
 994                     runjob->process = pi.hProcess;
 995                     runjob->pid = pi.dwProcessId;
 996                     list_add_tail(&running_job_list, &runjob->entry);
 997                     add_process_to_queue(pi.hProcess);
 998                 }
 999                 else
1000                 {
1001                     WARN("failed to execute %s\n", debugstr_w(job->info.Command));
1002                     job->data.status = SCHED_S_TASK_HAS_NOT_RUN;
1003                     job->instance_count = 0;
1004                 }
1005             }
1006
1007             job->data.flags &= ~0x0c000000;
1008             update_job_status(job);
1009         }
1010     }
1011
1012     LeaveCriticalSection(&at_job_list_section);
1013 }
1014
1015 static void run_job(struct job_t *job)
1016 {
1017     job->data.flags |= 0x04000000;
1018     update_job_status(job);
1019 }
1020
1021 void check_task_time(void)
1022 {
1023     FILETIME current_ft, begin_ft, end_ft;
1024     struct job_t *job;
1025
1026     GetSystemTimeAsFileTime(&current_ft);
1027     FileTimeToLocalFileTime(&current_ft, &current_ft);
1028
1029     /* Give -1/+1 minute margin */
1030     begin_ft = current_ft;
1031     filetime_add_minutes(&begin_ft, -1);
1032     end_ft = current_ft;
1033     filetime_add_minutes(&end_ft, 1);
1034
1035     EnterCriticalSection(&at_job_list_section);
1036
1037     LIST_FOR_EACH_ENTRY(job, &at_job_list, struct job_t, entry)
1038     {
1039         if (job_runs_at(job, &begin_ft, &end_ft))
1040         {
1041             run_job(job);
1042         }
1043     }
1044
1045     LeaveCriticalSection(&at_job_list_section);
1046 }
1047
1048 void check_missed_task_time(void)
1049 {
1050     FILETIME current_ft, last_ft;
1051     struct job_t *job;
1052
1053     GetSystemTimeAsFileTime(&current_ft);
1054     FileTimeToLocalFileTime(&current_ft, &current_ft);
1055
1056     EnterCriticalSection(&at_job_list_section);
1057
1058     LIST_FOR_EACH_ENTRY(job, &at_job_list, struct job_t, entry)
1059     {
1060         if (SystemTimeToFileTime(&job->data.last_runtime, &last_ft))
1061         {
1062             if (job_runs_at(job, &last_ft, &current_ft))
1063             {
1064                 run_job(job);
1065             }
1066         }
1067     }
1068
1069     LeaveCriticalSection(&at_job_list_section);
1070 }
1071
1072 void remove_job(const WCHAR *name)
1073 {
1074     struct job_t *job;
1075
1076     EnterCriticalSection(&at_job_list_section);
1077     job = find_job(0, name, NULL);
1078     if (job)
1079     {
1080         list_remove(&job->entry);
1081         free_job(job);
1082     }
1083     LeaveCriticalSection(&at_job_list_section);
1084 }
1085
1086 DWORD __cdecl NetrJobAdd(ATSVC_HANDLE server_name, AT_INFO *info, DWORD *jobid)
1087 {
1088     WCHAR windir[MAX_PATH];
1089
1090     TRACE("%s,%p,%p\n", debugstr_w(server_name), info, jobid);
1091
1092     GetWindowsDirectoryW(windir, MAX_PATH);
1093
1094     for (;;)
1095     {
1096         static const WCHAR fmtW[] = { '\\','T','a','s','k','s','\\','A','t','%','u','.','j','o','b',0 };
1097         WCHAR task_name[MAX_PATH], name[32];
1098
1099         lstrcpyW(task_name, windir);
1100         swprintf(name, ARRAY_SIZE(name), fmtW, current_jobid);
1101         lstrcatW(task_name, name);
1102         if (create_job(task_name, info))
1103         {
1104             struct job_t *job;
1105             int i;
1106
1107             for (i = 0; i < 5; i++)
1108             {
1109                 EnterCriticalSection(&at_job_list_section);
1110                 job = find_job(0, task_name, NULL);
1111                 LeaveCriticalSection(&at_job_list_section);
1112
1113                 if (job)
1114                 {
1115                     *jobid = job->info.JobId;
1116                     break;
1117                 }
1118
1119                 Sleep(50);
1120             }
1121
1122             if (!job)
1123             {
1124                 ERR("couldn't find just created job %s\n", debugstr_w(task_name));
1125                 return ERROR_FILE_NOT_FOUND;
1126             }
1127
1128             break;
1129         }
1130
1131         if (GetLastError() != ERROR_FILE_EXISTS)
1132         {
1133
1134             TRACE("create_job error %u\n", GetLastError());
1135             return GetLastError();
1136         }
1137
1138         InterlockedIncrement(&current_jobid);
1139     }
1140
1141     return ERROR_SUCCESS;
1142 }
1143
1144 DWORD __cdecl NetrJobDel(ATSVC_HANDLE server_name, DWORD min_jobid, DWORD max_jobid)
1145 {
1146     DWORD jobid, ret = APE_AT_ID_NOT_FOUND;
1147
1148     TRACE("%s,%u,%u\n", debugstr_w(server_name), min_jobid, max_jobid);
1149
1150     EnterCriticalSection(&at_job_list_section);
1151
1152     for (jobid = min_jobid; jobid <= max_jobid; jobid++)
1153     {
1154         struct job_t *job = find_job(jobid, NULL, NULL);
1155
1156         if (!job)
1157         {
1158             TRACE("job %u not found\n", jobid);
1159             ret = APE_AT_ID_NOT_FOUND;
1160             break;
1161         }
1162
1163         TRACE("deleting job %s\n", debugstr_w(job->name));
1164         if (!DeleteFileW(job->name))
1165         {
1166             ret = GetLastError();
1167             break;
1168         }
1169
1170         ret = ERROR_SUCCESS;
1171     }
1172
1173     LeaveCriticalSection(&at_job_list_section);
1174     return ret;
1175 }
1176
1177 static void free_container(AT_ENUM_CONTAINER *container)
1178 {
1179     DWORD i;
1180
1181     for (i = 0; i < container->EntriesRead; i++)
1182         heap_free(container->Buffer[i].Command);
1183
1184     heap_free(container->Buffer);
1185 }
1186
1187 DWORD __cdecl NetrJobEnum(ATSVC_HANDLE server_name, AT_ENUM_CONTAINER *container,
1188                           DWORD max_length, DWORD *total, DWORD *resume)
1189 {
1190     DWORD allocated;
1191     struct job_t *job;
1192
1193     TRACE("%s,%p,%u,%p,%p\n", debugstr_w(server_name), container, max_length, total, resume);
1194
1195     *total = 0;
1196     *resume = 0;
1197     container->EntriesRead = 0;
1198
1199     allocated = 64;
1200     container->Buffer = heap_alloc(allocated * sizeof(AT_ENUM));
1201     if (!container->Buffer) return ERROR_NOT_ENOUGH_MEMORY;
1202
1203     EnterCriticalSection(&at_job_list_section);
1204
1205     LIST_FOR_EACH_ENTRY(job, &at_job_list, struct job_t, entry)
1206     {
1207         if (container->EntriesRead >= max_length)
1208         {
1209             *resume = container->EntriesRead;
1210             break;
1211         }
1212
1213         if (allocated <= container->EntriesRead)
1214         {
1215             AT_ENUM *new_buffer;
1216
1217             allocated *= 2;
1218             new_buffer = heap_realloc(container->Buffer, allocated * sizeof(AT_ENUM));
1219             if (!new_buffer)
1220             {
1221                 free_container(container);
1222                 LeaveCriticalSection(&at_job_list_section);
1223                 return ERROR_NOT_ENOUGH_MEMORY;
1224             }
1225             container->Buffer = new_buffer;
1226         }
1227
1228         container->Buffer[container->EntriesRead] = job->info;
1229         container->Buffer[container->EntriesRead].Command = heap_strdupW(job->info.Command);
1230         container->EntriesRead++;
1231     }
1232
1233     LeaveCriticalSection(&at_job_list_section);
1234
1235     *total = container->EntriesRead;
1236
1237     return ERROR_SUCCESS;
1238 }
1239
1240 DWORD __cdecl NetrJobGetInfo(ATSVC_HANDLE server_name, DWORD jobid, AT_INFO **info)
1241 {
1242     struct job_t *job;
1243     DWORD ret = APE_AT_ID_NOT_FOUND;
1244
1245     TRACE("%s,%u,%p\n", debugstr_w(server_name), jobid, info);
1246
1247     EnterCriticalSection(&at_job_list_section);
1248
1249     job = find_job(jobid, NULL, NULL);
1250     if (job)
1251     {
1252         AT_INFO *info_ret = heap_alloc(sizeof(*info_ret));
1253         if (!info_ret)
1254             ret = ERROR_NOT_ENOUGH_MEMORY;
1255         else
1256         {
1257             info_ret->JobTime = job->info.JobTime;
1258             info_ret->DaysOfMonth = job->info.DaysOfMonth;
1259             info_ret->DaysOfWeek = job->info.DaysOfWeek;
1260             info_ret->Flags = job->info.Flags;
1261             info_ret->Command = heap_strdupW(job->info.Command);
1262             *info = info_ret;
1263             ret = ERROR_SUCCESS;
1264         }
1265     }
1266
1267     LeaveCriticalSection(&at_job_list_section);
1268     return ret;
1269 }