1 kumpf 1.2 /*
2 //%2006////////////////////////////////////////////////////////////////////////
3 //
4 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
5 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
6 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
7 // IBM Corp.; EMC Corporation, The Open Group.
8 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
9 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
10 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
11 // EMC Corporation; VERITAS Software Corporation; The Open Group.
12 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
13 // EMC Corporation; Symantec Corporation; The Open Group.
14 //
15 // Permission is hereby granted, free of charge, to any person obtaining a copy
16 // of this software and associated documentation files (the "Software"), to
17 // deal in the Software without restriction, including without limitation the
18 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
19 // sell copies of the Software, and to permit persons to whom the Software is
20 // furnished to do so, subject to the following conditions:
21 //
22 kumpf 1.2 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
23 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
24 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
25 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
26 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
27 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 //
31 //%/////////////////////////////////////////////////////////////////////////////
32 */
33 #include <sys/time.h>
34 #include <sys/resource.h>
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <errno.h>
38 #include <string.h>
39 #include <fcntl.h>
40 #include <sys/wait.h>
41 #include <unistd.h>
42 #include <signal.h>
43 kumpf 1.2 #include "Parent.h"
44 #include "Log.h"
45 #include "Messages.h"
46 #include "Socket.h"
47 #include "Fatal.h"
48 #include "Globals.h"
49 #include "Path.h"
50 #include "User.h"
51 #include "Exit.h"
52 #include "Strlcpy.h"
53 #include "LocalAuth.h"
54 #include "Strlcat.h"
55 #include "PasswordFile.h"
56 #include "Policy.h"
57 #include "Macro.h"
|
58 kumpf 1.10 #include "FileHandle.h"
|
59 kumpf 1.2
60 #if defined(PEGASUS_PAM_AUTHENTICATION)
61 # include "PAMAuth.h"
62 #endif
63
64 /*
65 **==============================================================================
66 **
67 ** _sigHandler()
68 **
69 ** Signal handler for SIGTERM.
70 **
71 **==============================================================================
72 */
73
74 static void _sigHandler(int signum)
75 {
|
76 kumpf 1.12 globals.signalMask |= (1UL << signum);
|
77 kumpf 1.2 }
78
79 /*
80 **==============================================================================
81 **
|
82 kumpf 1.4 ** ReadExecutorRequest()
83 **
84 ** Read a request of the specified size from the specified socket into the
85 ** buffer provided.
86 **
87 **==============================================================================
88 */
89
90 static void ReadExecutorRequest(int sock, void* buffer, size_t size)
91 {
92 if (RecvNonBlock(sock, buffer, size) != (ssize_t)size)
93 {
94 Fatal(FL, "Failed to read request");
95 }
96 }
97
98 /*
99 **==============================================================================
100 **
101 ** WriteExecutorResponse()
102 **
103 kumpf 1.4 ** Write a response of the specified size from the given buffer onto the
104 ** specified socket.
105 **
106 **==============================================================================
107 */
108
109 static void WriteExecutorResponse(int sock, const void* buffer, size_t size)
110 {
111 if (SendNonBlock(sock, buffer, size) != (ssize_t)size)
112 {
113 Fatal(FL, "Failed to write response");
114 }
115 }
116
117 /*
118 **==============================================================================
119 **
|
120 kumpf 1.2 ** HandlePingRequest()
121 **
122 ** Handle ping request.
123 **
124 **==============================================================================
125 */
126
127 static void HandlePingRequest(int sock)
128 {
129 struct ExecutorPingResponse response;
130
131 memset(&response, 0, sizeof(response));
132 response.magic = EXECUTOR_PING_MAGIC;
133
134 Log(LL_TRACE, "HandlePingRequest()");
135
|
136 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
137 kumpf 1.2 }
138
139 /*
140 **==============================================================================
141 **
142 ** HandleOpenFileRequest()
143 **
144 ** Handle a request from a child to open a file.
145 **
146 **==============================================================================
147 */
148
149 static void HandleOpenFileRequest(int sock)
150 {
151 struct ExecutorOpenFileRequest request;
152 struct ExecutorOpenFileResponse response;
153 int fd;
154
155 memset(&response, 0, sizeof(response));
156
157 /* Read the request message. */
158 kumpf 1.2
|
159 kumpf 1.4 ReadExecutorRequest(sock, &request, sizeof(request));
|
160 kumpf 1.2
161 /* Log the request. */
162
163 Log(LL_TRACE, "HandleOpenFileRequest(): path=\"%s\", mode='%c'",
164 request.path, request.mode);
165
166 /* Perform the operation. */
167
168 response.status = 0;
169 fd = -1;
170
171 do
172 {
173 /* Check the policy. */
174
|
175 kumpf 1.6 unsigned long permissions = 0;
176
177 if (CheckOpenFilePolicy(request.path, request.mode, &permissions) != 0)
|
178 kumpf 1.2 {
179 response.status = -1;
180 break;
181 }
182
183 /* Open file. */
184
185 switch (request.mode)
186 {
187 case 'r':
188 fd = open(request.path, O_RDONLY);
189 break;
190
191 case 'w':
192 fd = open(
193 request.path,
|
194 a.rachapudi 1.14 O_WRONLY | O_TRUNC,
|
195 kumpf 1.6 permissions);
|
196 kumpf 1.2 break;
197
198 case 'a':
199 {
200 fd = open(
201 request.path,
|
202 a.rachapudi 1.14 O_WRONLY | O_APPEND,
|
203 kumpf 1.6 permissions);
|
204 kumpf 1.2 break;
205 }
206 }
|
207 a.rachapudi 1.14 /* If the open call fails with ENOENT errno,then create the file.
208 If the umask is set to a non default value,then the file will not
209 get created with permissions specified in the open system call.
210 So set the permissions for the file explicitly using fchmod.
211 */
|
212 kumpf 1.2 if (fd == -1)
|
213 a.rachapudi 1.14 {
214 if (errno == ENOENT && (request.mode == 'w' || request.mode == 'a'))
215 {
216 fd = open(request.path,O_CREAT | O_WRONLY,permissions);
217 if (fchmod(fd,permissions) != 0)
218 {
219 response.status = -1;
220 close(fd);
221 }
222 }
223 else
224 {
225 response.status = -1;
226 }
227 }
|
228 kumpf 1.2 }
229 while (0);
230
231 /* Log failure. */
232
233 if (response.status != 0)
234 {
235 Log(LL_WARNING, "open(\"%s\", '%c') failed",
236 request.path, request.mode);
237 }
238
239 /* Send response. */
240
|
241 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
242 kumpf 1.2
243 /* Send descriptor to calling process (if any to send). */
244
245 if (response.status == 0)
246 {
247 int descriptors[1];
248 descriptors[0] = fd;
249 SendDescriptorArray(sock, descriptors, 1);
250 close(fd);
251 }
252 }
253
254 /*
255 **==============================================================================
256 **
257 ** HandleStartProviderAgentRequest()
258 **
259 **==============================================================================
260 */
261
262 static void HandleStartProviderAgentRequest(int sock)
263 kumpf 1.2 {
264 int status;
|
265 kumpf 1.3 int uid;
266 int gid;
|
267 kumpf 1.2 int pid;
268 int to[2];
269 int from[2];
270 struct ExecutorStartProviderAgentResponse response;
271 struct ExecutorStartProviderAgentRequest request;
272
273 memset(&response, 0, sizeof(response));
274
275 /* Read request. */
276
|
277 kumpf 1.4 ReadExecutorRequest(sock, &request, sizeof(request));
|
278 kumpf 1.2
279 /* Log request. */
280
281 Log(LL_TRACE, "HandleStartProviderAgentRequest(): "
|
282 kumpf 1.3 "module=%s userName=%s", request.module, request.userName);
|
283 kumpf 1.2
284 /* Process request. */
285
286 status = 0;
287 pid = -1;
288
289 do
290 {
291 /* Resolve full path of CIMPROVAGT. */
292
293 const char* path;
294
295 if ((path = FindMacro("cimprovagtPath")) == NULL)
296 Fatal(FL, "Failed to locate %s program", CIMPROVAGT);
297
|
298 kumpf 1.3 #if !defined(PEGASUS_DISABLE_PROV_USERCTXT)
299
300 /* Look up the user ID and group ID of the specified user. */
301
302 if (GetUserInfo(request.userName, &uid, &gid) != 0)
303 {
304 status = -1;
305 break;
306 }
307
308 Log(LL_TRACE, "cimprovagt user context: "
309 "userName=%s uid=%d gid=%d", request.userName, uid, gid);
310
311 #endif /* !defined(PEGASUS_DISABLE_PROV_USERCTXT) */
312
|
313 kumpf 1.2 /* Create "to-agent" pipe: */
314
315 if (pipe(to) != 0)
316 {
317 status = -1;
318 break;
319 }
320
321 /* Create "from-agent" pipe: */
322
323 if (pipe(from) != 0)
324 {
|
325 kumpf 1.15 close(to[0]);
326 close(to[1]);
|
327 kumpf 1.2 status = -1;
328 break;
329 }
330
331 /* Fork process: */
332
333 pid = fork();
334
335 if (pid < 0)
336 {
337 Log(LL_SEVERE, "fork failed");
|
338 kumpf 1.15 close(to[0]);
339 close(to[1]);
340 close(from[0]);
341 close(from[1]);
|
342 kumpf 1.2 status = -1;
343 break;
344 }
345
346 /* If child: */
347
348 if (pid == 0)
349 {
|
350 kumpf 1.11 char toPipeArg[32];
351 char fromPipeArg[32];
352 /* The user context is set here; no need to do it in cimprovagt. */
353 const char* setUserContextFlag = "0";
|
354 kumpf 1.2
355 /* Close unused pipe descriptors: */
356
357 close(to[1]);
358 close(from[0]);
359
|
360 kumpf 1.10 /* Redirect terminal I/O if required and not yet daemonized. */
361
362 if (globals.initCompletePipe != -1 && !globals.bindVerbose)
363 {
364 RedirectTerminalIO();
365 }
366
|
367 kumpf 1.2 /*
368 * Close unused descriptors. Leave stdin, stdout, stderr, and the
369 * child's pipe descriptors open.
370 */
371
|
372 kumpf 1.10 CloseUnusedDescriptors(to[0], from[1]);
|
373 kumpf 1.2
|
374 kumpf 1.3 #if !defined(PEGASUS_DISABLE_PROV_USERCTXT)
375
|
376 kumpf 1.10 SetUserContext(request.userName, uid, gid);
|
377 kumpf 1.2
378 Log(LL_TRACE, "starting %s on module %s as user %s",
|
379 kumpf 1.3 path, request.module, request.userName);
|
380 kumpf 1.2
|
381 kumpf 1.3 #endif /* !defined(PEGASUS_DISABLE_PROV_USERCTXT) */
|
382 kumpf 1.2
383 /* Exec the CIMPROVAGT program. */
384
|
385 kumpf 1.11 sprintf(toPipeArg, "%d", to[0]);
386 sprintf(fromPipeArg, "%d", from[1]);
|
387 kumpf 1.2
|
388 kumpf 1.11 Log(LL_TRACE, "execl(%s, %s, %s, %s, %s, %s, %s)\n",
389 path,
390 path,
391 setUserContextFlag,
392 toPipeArg,
393 fromPipeArg,
394 request.userName,
395 request.module);
|
396 kumpf 1.2
397 /* Flawfinder: ignore */
|
398 kumpf 1.11 execl(
399 path,
400 path,
401 setUserContextFlag,
402 toPipeArg,
403 fromPipeArg,
404 request.userName,
405 request.module,
406 (char*)0);
407
408 Log(LL_SEVERE, "execl(%s, %s, %s, %s, %s, %s, %s): failed\n",
409 path,
410 path,
411 setUserContextFlag,
412 toPipeArg,
413 fromPipeArg,
414 request.userName,
415 request.module);
|
416 kumpf 1.5 _exit(1);
|
417 kumpf 1.2 }
|
418 kumpf 1.15
419 /* We are the parent process. Close the child's ends of the pipes. */
420
421 close(to[0]);
422 close(from[1]);
|
423 kumpf 1.2 }
424 while (0);
425
426 /* Send response. */
427
428 response.status = status;
429 response.pid = pid;
430
|
431 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
432 kumpf 1.2
433 /* Send descriptors to calling process. */
434
435 if (response.status == 0)
436 {
437 int descriptors[2];
438 descriptors[0] = from[0];
439 descriptors[1] = to[1];
440
441 SendDescriptorArray(sock, descriptors, 2);
442 close(from[0]);
443 close(to[1]);
444 }
445 }
446
447 /*
448 **==============================================================================
449 **
450 ** HandleDaemonizeExecutorRequest()
451 **
452 **==============================================================================
453 kumpf 1.2 */
454
|
455 kumpf 1.10 static void HandleDaemonizeExecutorRequest(int sock)
|
456 kumpf 1.2 {
457 struct ExecutorDaemonizeExecutorResponse response;
458
459 memset(&response, 0, sizeof(response));
460
461 Log(LL_TRACE, "HandleDaemonizeExecutorRequest()");
462
|
463 kumpf 1.10 if (!globals.bindVerbose)
|
464 kumpf 1.2 {
|
465 kumpf 1.10 RedirectTerminalIO();
|
466 kumpf 1.2 }
467
|
468 kumpf 1.10 if (globals.initCompletePipe != -1)
|
469 kumpf 1.2 {
|
470 kumpf 1.10 ssize_t result;
|
471 kumpf 1.2
|
472 kumpf 1.10 EXECUTOR_RESTART(write(globals.initCompletePipe, "\0", 1), result);
473 close(globals.initCompletePipe);
474 globals.initCompletePipe = -1;
|
475 kumpf 1.2 }
476
477 response.status = 0;
478
|
479 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
480 kumpf 1.2 }
481
482 /*
483 **==============================================================================
484 **
485 ** HandleRenameFileRequest()
486 **
487 **==============================================================================
488 */
489
490 static void HandleRenameFileRequest(int sock)
491 {
492 struct ExecutorRenameFileResponse response;
493 struct ExecutorRenameFileRequest request;
494
495 memset(&response, 0, sizeof(response));
496
497 /* Read the request message. */
498
|
499 kumpf 1.4 ReadExecutorRequest(sock, &request, sizeof(request));
|
500 kumpf 1.2
501 /* Log request. */
502
503 Log(LL_TRACE, "HandleRenameFileRequest(): oldPath=%s newPath=%s",
504 request.oldPath, request.newPath);
505
506 /* Perform the operation: */
507
508 response.status = 0;
509
510 do
511 {
512 /* Check the policy. */
513
514 if (CheckRenameFilePolicy(request.oldPath, request.newPath) != 0)
515 {
516 response.status = -1;
517 break;
518 }
519
520 /* Rename the file. */
521 kumpf 1.2
522 if (rename(request.oldPath, request.newPath) != 0)
523 {
524 response.status = -1;
525 break;
526 }
527 }
528 while (0);
529
530 /* Send response message. */
531
|
532 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
533 kumpf 1.2 }
534
535 /*
536 **==============================================================================
537 **
538 ** HandleRemoveFileRequest()
539 **
540 **==============================================================================
541 */
542
543 static void HandleRemoveFileRequest(int sock)
544 {
545 struct ExecutorRemoveFileRequest request;
546 struct ExecutorRemoveFileResponse response;
547
548 memset(&response, 0, sizeof(response));
549
550 /* Read the request message. */
551
|
552 kumpf 1.4 ReadExecutorRequest(sock, &request, sizeof(request));
|
553 kumpf 1.2
554 /* Log request. */
555
556 Log(LL_TRACE, "HandleRemoveFileRequest(): path=%s", request.path);
557
558 response.status = 0;
559
560 do
561 {
562 /* Check the policy. */
563
564 if (CheckRemoveFilePolicy(request.path) != 0)
565 {
566 response.status = -1;
567 break;
568 }
569
570 /* Remove the file. */
571
572 if (unlink(request.path) != 0)
573 {
574 kumpf 1.2 response.status = -1;
575 Log(LL_WARNING, "unlink(%s) failed", request.path);
576 break;
577 }
578 }
579 while (0);
580
581 /* Send response message. */
582
|
583 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
584 kumpf 1.2 }
585
586 /*
587 **==============================================================================
588 **
589 ** HandleAuthenticatePasswordRequest()
590 **
591 **==============================================================================
592 */
593
594 static void HandleAuthenticatePasswordRequest(int sock)
595 {
596 int status;
597 struct ExecutorAuthenticatePasswordRequest request;
598 struct ExecutorAuthenticatePasswordResponse response;
599 int gid;
600 int uid;
601
602 memset(&response, 0, sizeof(response));
603
604 /* Read the request message. */
605 kumpf 1.2
|
606 kumpf 1.4 ReadExecutorRequest(sock, &request, sizeof(request));
|
607 kumpf 1.2
608 /* Log request. */
609
610 Log(LL_TRACE, "HandleAuthenticatePasswordRequest(): username=%s",
611 request.username);
612
613 /* Perform the operation: */
614
615 status = 0;
616
617 do
618 {
619 if (GetUserInfo(request.username, &uid, &gid) != 0)
620 {
621 status = -1;
622 break;
623 }
624
625 #if defined(PEGASUS_PAM_AUTHENTICATION)
626
627 if (PAMAuthenticate(request.username, request.password) != 0)
628 kumpf 1.2 {
629 status = -1;
630 break;
631 }
632
633
634 #else /* !PEGASUS_PAM_AUTHENTICATION */
635
636 {
637 const char* path = FindMacro("passwordFilePath");
638
639 if (!path)
640 {
641 status = -1;
642 break;
643 }
644
645 if (CheckPasswordFile(
646 path, request.username, request.password) != 0)
647 {
648 status = -1;
649 kumpf 1.2 break;
650 }
651 }
652
653 #endif /* !PEGASUS_PAM_AUTHENTICATION */
654 }
655 while (0);
656
|
657 sushma.fernandes 1.9 Log(LL_TRACE, "Basic authentication attempt: username = %s, "
658 "successful = %s",
659 request.username, status == 0 ? "TRUE" : "FALSE" );
|
660 kumpf 1.2
661 /* Send response message. */
662
663 response.status = status;
664
|
665 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
666 kumpf 1.2 }
667
668 /*
669 **==============================================================================
670 **
671 ** HandleValidateUserRequest()
672 **
673 **==============================================================================
674 */
675
676 static void HandleValidateUserRequest(int sock)
677 {
678 int status;
679 struct ExecutorValidateUserResponse response;
680 struct ExecutorValidateUserRequest request;
681
682 memset(&response, 0, sizeof(response));
683
684 /* Read the request message. */
685
|
686 kumpf 1.4 ReadExecutorRequest(sock, &request, sizeof(request));
|
687 kumpf 1.2
688 /* Validate the user. */
689
690 Log(LL_TRACE,
691 "HandleValidateUserRequest(): username=%s", request.username);
692
693 /* Get the uid for the username. */
694
695 status = 0;
696
697 #if defined(PEGASUS_PAM_AUTHENTICATION)
698
699 if (PAMValidateUser(request.username) != 0)
700 status = -1;
701
702 #else /* !PEGASUS_PAM_AUTHENTICATION */
703
704 do
705 {
706 const char* path = FindMacro("passwordFilePath");
707
708 kumpf 1.2 if (!path)
709 {
710 status = -1;
711 break;
712 }
713
714 if (CheckPasswordFile(path, request.username, NULL) != 0)
715 {
716 status = -1;
717 break;
718 }
719 }
720 while (0);
721
722 #endif /* !PEGASUS_PAM_AUTHENTICATION */
723
724 /* Send response message. */
725
726 response.status = status;
727
|
728 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
729 kumpf 1.2 }
730
731 /*
732 **==============================================================================
733 **
734 ** HandleChallengeLocalRequest()
735 **
736 **==============================================================================
737 */
738
739 static void HandleChallengeLocalRequest(int sock)
740 {
741 char challenge[EXECUTOR_BUFFER_SIZE];
742 struct ExecutorChallengeLocalRequest request;
743 struct ExecutorChallengeLocalResponse response;
744
745 memset(&response, 0, sizeof(response));
746
747 /* Read the request message. */
748
|
749 kumpf 1.4 ReadExecutorRequest(sock, &request, sizeof(request));
|
750 kumpf 1.2
751 Log(LL_TRACE, "HandleChallengeLocalRequest(): user=%s", request.user);
752
753 /* Perform operation. */
754
|
755 kumpf 1.4 response.status = StartLocalAuthentication(request.user, challenge);
|
756 kumpf 1.2
|
757 kumpf 1.4 /* Send response message. */
758
|
759 sushma.fernandes 1.9 if (response.status == 0)
|
760 kumpf 1.4 {
|
761 kumpf 1.2 Strlcpy(response.challenge, challenge, sizeof(response.challenge));
|
762 kumpf 1.4 }
|
763 kumpf 1.2
|
764 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
765 kumpf 1.2 }
766
767 /*
768 **==============================================================================
769 **
770 ** HandleAuthenticateLocalRequest()
771 **
772 **==============================================================================
773 */
774
775 static void HandleAuthenticateLocalRequest(int sock)
776 {
777 int status;
778 struct ExecutorAuthenticateLocalRequest request;
779 struct ExecutorAuthenticateLocalResponse response;
780
781 memset(&response, 0, sizeof(response));
782
783 /* Read the request message. */
784
|
785 kumpf 1.4 ReadExecutorRequest(sock, &request, sizeof(request));
|
786 kumpf 1.2
787 Log(LL_TRACE, "HandleAuthenticateLocalRequest()");
788
789 /* Perform operation. */
790
791 status = FinishLocalAuthentication(request.challenge, request.response);
792
793 /* Send response. */
794
795 response.status = status;
796
|
797 kumpf 1.4 WriteExecutorResponse(sock, &response, sizeof(response));
|
798 kumpf 1.2 }
799
800 /*
801 **==============================================================================
802 **
|
803 kumpf 1.5 ** HandleUpdateLogLevelRequest()
804 **
805 **==============================================================================
806 */
807
808 static void HandleUpdateLogLevelRequest(int sock)
809 {
810 int status;
811 struct ExecutorUpdateLogLevelRequest request;
812 struct ExecutorUpdateLogLevelResponse response;
813
814 memset(&response, 0, sizeof(response));
815
816 /* Read the request message. */
817
818 ReadExecutorRequest(sock, &request, sizeof(request));
819
820 /* Log request. */
821
822 Log(LL_TRACE, "HandleUpdateLogLevelRequest(): logLevel=%s",
823 request.logLevel);
824 kumpf 1.5
825 /* Perform operation. */
826
827 status = SetLogLevel(request.logLevel);
828
829 if (status == -1)
830 Log(LL_WARNING, "SetLogLevel(%d) failed", request.logLevel);
831
832 /* Send response message. */
833
834 response.status = status;
835
836 WriteExecutorResponse(sock, &response, sizeof(response));
837 }
838
839 /*
840 **==============================================================================
841 **
|
842 kumpf 1.2 ** Parent()
843 **
844 ** The parent process (cimserver).
845 **
846 **==============================================================================
847 */
848
|
849 kumpf 1.10 void Parent(int sock, int initCompletePipe, int childPid, int bindVerbose)
|
850 kumpf 1.2 {
851 /* Handle Ctrl-C. */
852
853 signal(SIGINT, _sigHandler);
854
855 /* Catch SIGTERM, sent by kill program. */
856
857 signal(SIGTERM, _sigHandler);
858
859 /*
860 * Ignore SIGPIPE, which occurs if a child with whom the executor shares
861 * a local domain socket unexpectedly dies. In such a case, the socket
862 * read/write functions will return an error. There are two child processes
863 * the executor talks to over sockets: CIMSERVERA and CIMSERVERMAIN.
864 */
865
866 signal(SIGPIPE, SIG_IGN);
867
868 /* Save child PID globally; it is used by Exit() function. */
869
870 globals.childPid = childPid;
871 kumpf 1.2
|
872 kumpf 1.10 /* Save initCompletePipe; it is used at daemonization. */
873
874 globals.initCompletePipe = initCompletePipe;
875
876 /* Save bindVerbose; it is used at daemonization and cimprovagt start. */
877
878 globals.bindVerbose = bindVerbose;
879
|
880 kumpf 1.2 /* Prepares socket into non-blocking I/O. */
881
882 SetNonBlocking(sock);
883
884 /* Process client requests until client exists. */
885
886 for (;;)
887 {
888 size_t n;
889 struct ExecutorRequestHeader header;
890
891 /* Receive request header. */
892
893 n = RecvNonBlock(sock, &header, sizeof(header));
894
895 if (n == 0)
896 {
897 /*
898 * Either client closed its end of the pipe (possibly by exiting)
899 * or we caught a SIGTERM.
900 */
901 kumpf 1.2 break;
902 }
903
904 if (n != sizeof(header))
905 Fatal(FL, "Failed to read header");
906
907 /* Dispatch request. */
908
909 switch ((enum ExecutorMessageCode)header.code)
910 {
911 case EXECUTOR_PING_MESSAGE:
912 HandlePingRequest(sock);
913 break;
914
915 case EXECUTOR_OPEN_FILE_MESSAGE:
916 HandleOpenFileRequest(sock);
917 break;
918
919 case EXECUTOR_START_PROVIDER_AGENT_MESSAGE:
920 HandleStartProviderAgentRequest(sock);
921 break;
922 kumpf 1.2
923 case EXECUTOR_DAEMONIZE_EXECUTOR_MESSAGE:
|
924 kumpf 1.10 HandleDaemonizeExecutorRequest(sock);
|
925 kumpf 1.2 break;
926
927 case EXECUTOR_RENAME_FILE_MESSAGE:
928 HandleRenameFileRequest(sock);
929 break;
930
931 case EXECUTOR_REMOVE_FILE_MESSAGE:
932 HandleRemoveFileRequest(sock);
933 break;
934
935 case EXECUTOR_AUTHENTICATE_PASSWORD_MESSAGE:
936 HandleAuthenticatePasswordRequest(sock);
937 break;
938
939 case EXECUTOR_VALIDATE_USER_MESSAGE:
940 HandleValidateUserRequest(sock);
941 break;
942
943 case EXECUTOR_CHALLENGE_LOCAL_MESSAGE:
944 HandleChallengeLocalRequest(sock);
945 break;
946 kumpf 1.2
947 case EXECUTOR_AUTHENTICATE_LOCAL_MESSAGE:
948 HandleAuthenticateLocalRequest(sock);
949 break;
950
|
951 kumpf 1.5 case EXECUTOR_UPDATE_LOG_LEVEL_MESSAGE:
952 HandleUpdateLogLevelRequest(sock);
953 break;
954
|
955 kumpf 1.2 default:
956 Fatal(FL, "Invalid request code: %d", header.code);
957 break;
958 }
959 }
960
961 /* Reached due to socket EOF, SIGTERM, or SIGINT. */
962
963 Exit(0);
964 }
|
Return to
Parent.c
CVS log
Up to [Pegasus] / pegasus / src / Executor