e0a301489e403f62b12cccb9a634b05d1bba4734
[multipath-tools/.git] / libmultipath / dict.c
1 /*
2  * Based on Alexandre Cassen template for keepalived
3  * Copyright (c) 2004, 2005, 2006  Christophe Varoqui
4  * Copyright (c) 2005 Benjamin Marzinski, Redhat
5  * Copyright (c) 2005 Kiyoshi Ueda, NEC
6  */
7 #include <sys/types.h>
8 #include <pwd.h>
9 #include <string.h>
10 #include "checkers.h"
11 #include "vector.h"
12 #include "hwtable.h"
13 #include "structs.h"
14 #include "parser.h"
15 #include "config.h"
16 #include "debug.h"
17 #include "memory.h"
18 #include "pgpolicies.h"
19 #include "blacklist.h"
20 #include "defaults.h"
21 #include "prio.h"
22 #include <errno.h>
23 #include <inttypes.h>
24 #include "mpath_cmd.h"
25
26 static int
27 set_int(vector strvec, void *ptr)
28 {
29         int *int_ptr = (int *)ptr;
30         char * buff;
31
32         buff = VECTOR_SLOT(strvec, 1);
33         *int_ptr = atoi(buff);
34
35         return 0;
36 }
37
38 static int
39 set_str(vector strvec, void *ptr)
40 {
41         char **str_ptr = (char **)ptr;
42
43         if (*str_ptr)
44                 FREE(*str_ptr);
45         *str_ptr = set_value(strvec);
46
47         if (!*str_ptr)
48                 return 1;
49
50         return 0;
51 }
52
53 static int
54 set_yes_no(vector strvec, void *ptr)
55 {
56         char * buff;
57         int *int_ptr = (int *)ptr;
58
59         buff = set_value(strvec);
60         if (!buff)
61                 return 1;
62
63         if (strcmp(buff, "yes") == 0 || strcmp(buff, "1") == 0)
64                 *int_ptr = YN_YES;
65         else
66                 *int_ptr = YN_NO;
67
68         FREE(buff);
69         return 0;
70 }
71
72 static int
73 set_yes_no_undef(vector strvec, void *ptr)
74 {
75         char * buff;
76         int *int_ptr = (int *)ptr;
77
78         buff = set_value(strvec);
79         if (!buff)
80                 return 1;
81
82         if (strcmp(buff, "no") == 0 || strcmp(buff, "0") == 0)
83                 *int_ptr = YNU_NO;
84         else if (strcmp(buff, "yes") == 0 || strcmp(buff, "1") == 0)
85                 *int_ptr = YNU_YES;
86         else
87                 *int_ptr = YNU_UNDEF;
88
89         FREE(buff);
90         return 0;
91 }
92
93 static int
94 print_int (char *buff, int len, void *ptr)
95 {
96         int *int_ptr = (int *)ptr;
97         return snprintf(buff, len, "%i", *int_ptr);
98 }
99
100 static int
101 print_nonzero (char *buff, int len, void *ptr)
102 {
103         int *int_ptr = (int *)ptr;
104         if (!*int_ptr)
105                 return 0;
106         return snprintf(buff, len, "%i", *int_ptr);
107 }
108
109 static int
110 print_str (char *buff, int len, void *ptr)
111 {
112         char **str_ptr = (char **)ptr;
113         if (!*str_ptr)
114                 return 0;
115         return snprintf(buff, len, "\"%s\"", *str_ptr);
116 }
117
118 static int
119 print_yes_no (char *buff, int len, void *ptr)
120 {
121         int *int_ptr = (int *)ptr;
122         return snprintf(buff, len, "\"%s\"",
123                         (*int_ptr == YN_NO)? "no" : "yes");
124 }
125
126 static int
127 print_yes_no_undef (char *buff, int len, void *ptr)
128 {
129         int *int_ptr = (int *)ptr;
130         if (!*int_ptr)
131                 return 0;
132         return snprintf(buff, len, "\"%s\"",
133                         (*int_ptr == YNU_NO)? "no" : "yes");
134 }
135
136 #define declare_def_handler(option, function)                           \
137 static int                                                              \
138 def_ ## option ## _handler (struct config *conf, vector strvec)         \
139 {                                                                       \
140         return function (strvec, &conf->option);                        \
141 }
142
143 #define declare_def_snprint(option, function)                           \
144 static int                                                              \
145 snprint_def_ ## option (struct config *conf, char * buff, int len, void * data) \
146 {                                                                       \
147         return function (buff, len, &conf->option);                     \
148 }
149
150 #define declare_def_snprint_defint(option, function, value)             \
151 static int                                                              \
152 snprint_def_ ## option (struct config *conf, char * buff, int len, void * data) \
153 {                                                                       \
154         int i = value;                                                  \
155         if (!conf->option)                                              \
156                 return function (buff, len, &i);                        \
157         return function (buff, len, &conf->option);                     \
158 }
159
160 #define declare_def_snprint_defstr(option, function, value)             \
161 static int                                                              \
162 snprint_def_ ## option (struct config *conf, char * buff, int len, void * data) \
163 {                                                                       \
164         char *s = value;                                                \
165         if (!conf->option)                                              \
166                 return function (buff, len, &s);                        \
167         return function (buff, len, &conf->option);                     \
168 }
169
170 #define declare_hw_handler(option, function)                            \
171 static int                                                              \
172 hw_ ## option ## _handler (struct config *conf, vector strvec)          \
173 {                                                                       \
174         struct hwentry * hwe = VECTOR_LAST_SLOT(conf->hwtable);         \
175         if (!hwe)                                                       \
176                 return 1;                                               \
177         return function (strvec, &hwe->option);                         \
178 }
179
180 #define declare_hw_snprint(option, function)                            \
181 static int                                                              \
182 snprint_hw_ ## option (struct config *conf, char * buff, int len, void * data) \
183 {                                                                       \
184         struct hwentry * hwe = (struct hwentry *)data;                  \
185         return function (buff, len, &hwe->option);                      \
186 }
187
188 #define declare_ovr_handler(option, function)                           \
189 static int                                                              \
190 ovr_ ## option ## _handler (struct config *conf, vector strvec)         \
191 {                                                                       \
192         if (!conf->overrides)                                           \
193                 return 1;                                               \
194         return function (strvec, &conf->overrides->option);             \
195 }
196
197 #define declare_ovr_snprint(option, function)                           \
198 static int                                                              \
199 snprint_ovr_ ## option (struct config *conf, char * buff, int len, void * data) \
200 {                                                                       \
201         return function (buff, len, &conf->overrides->option);          \
202 }
203
204 #define declare_mp_handler(option, function)                            \
205 static int                                                              \
206 mp_ ## option ## _handler (struct config *conf, vector strvec)          \
207 {                                                                       \
208         struct mpentry * mpe = VECTOR_LAST_SLOT(conf->mptable);         \
209         if (!mpe)                                                       \
210                 return 1;                                               \
211         return function (strvec, &mpe->option);                         \
212 }
213
214 #define declare_mp_snprint(option, function)                            \
215 static int                                                              \
216 snprint_mp_ ## option (struct config *conf, char * buff, int len, void * data) \
217 {                                                                       \
218         struct mpentry * mpe = (struct mpentry *)data;                  \
219         return function (buff, len, &mpe->option);                      \
220 }
221
222 declare_def_handler(checkint, set_int)
223 declare_def_snprint(checkint, print_int)
224
225 declare_def_handler(max_checkint, set_int)
226 declare_def_snprint(max_checkint, print_int)
227
228 declare_def_handler(verbosity, set_int)
229 declare_def_snprint(verbosity, print_int)
230
231 declare_def_handler(reassign_maps, set_yes_no)
232 declare_def_snprint(reassign_maps, print_yes_no)
233
234 declare_def_handler(multipath_dir, set_str)
235 declare_def_snprint(multipath_dir, print_str)
236
237 declare_def_handler(partition_delim, set_str)
238 declare_def_snprint(partition_delim, print_str)
239
240 declare_def_handler(find_multipaths, set_yes_no)
241 declare_def_snprint(find_multipaths, print_yes_no)
242
243 declare_def_handler(selector, set_str)
244 declare_def_snprint_defstr(selector, print_str, DEFAULT_SELECTOR)
245 declare_hw_handler(selector, set_str)
246 declare_hw_snprint(selector, print_str)
247 declare_ovr_handler(selector, set_str)
248 declare_ovr_snprint(selector, print_str)
249 declare_mp_handler(selector, set_str)
250 declare_mp_snprint(selector, print_str)
251
252 declare_def_handler(uid_attribute, set_str)
253 declare_def_snprint_defstr(uid_attribute, print_str, DEFAULT_UID_ATTRIBUTE)
254 declare_ovr_handler(uid_attribute, set_str)
255 declare_ovr_snprint(uid_attribute, print_str)
256 declare_hw_handler(uid_attribute, set_str)
257 declare_hw_snprint(uid_attribute, print_str)
258
259 declare_def_handler(getuid, set_str)
260 declare_def_snprint(getuid, print_str)
261 declare_ovr_handler(getuid, set_str)
262 declare_ovr_snprint(getuid, print_str)
263 declare_hw_handler(getuid, set_str)
264 declare_hw_snprint(getuid, print_str)
265
266 declare_def_handler(prio_name, set_str)
267 declare_def_snprint_defstr(prio_name, print_str, DEFAULT_PRIO)
268 declare_ovr_handler(prio_name, set_str)
269 declare_ovr_snprint(prio_name, print_str)
270 declare_hw_handler(prio_name, set_str)
271 declare_hw_snprint(prio_name, print_str)
272 declare_mp_handler(prio_name, set_str)
273 declare_mp_snprint(prio_name, print_str)
274
275 declare_def_handler(alias_prefix, set_str)
276 declare_def_snprint_defstr(alias_prefix, print_str, DEFAULT_ALIAS_PREFIX)
277 declare_ovr_handler(alias_prefix, set_str)
278 declare_ovr_snprint(alias_prefix, print_str)
279 declare_hw_handler(alias_prefix, set_str)
280 declare_hw_snprint(alias_prefix, print_str)
281
282 declare_def_handler(prio_args, set_str)
283 declare_def_snprint_defstr(prio_args, print_str, DEFAULT_PRIO_ARGS)
284 declare_ovr_handler(prio_args, set_str)
285 declare_ovr_snprint(prio_args, print_str)
286 declare_hw_handler(prio_args, set_str)
287 declare_hw_snprint(prio_args, print_str)
288 declare_mp_handler(prio_args, set_str)
289 declare_mp_snprint(prio_args, print_str)
290
291 declare_def_handler(features, set_str)
292 declare_def_snprint_defstr(features, print_str, DEFAULT_FEATURES)
293 declare_ovr_handler(features, set_str)
294 declare_ovr_snprint(features, print_str)
295 declare_hw_handler(features, set_str)
296 declare_hw_snprint(features, print_str)
297 declare_mp_handler(features, set_str)
298 declare_mp_snprint(features, print_str)
299
300 declare_def_handler(checker_name, set_str)
301 declare_def_snprint_defstr(checker_name, print_str, DEFAULT_CHECKER)
302 declare_ovr_handler(checker_name, set_str)
303 declare_ovr_snprint(checker_name, print_str)
304 declare_hw_handler(checker_name, set_str)
305 declare_hw_snprint(checker_name, print_str)
306
307 declare_def_handler(minio, set_int)
308 declare_def_snprint_defint(minio, print_int, DEFAULT_MINIO)
309 declare_ovr_handler(minio, set_int)
310 declare_ovr_snprint(minio, print_nonzero)
311 declare_hw_handler(minio, set_int)
312 declare_hw_snprint(minio, print_nonzero)
313 declare_mp_handler(minio, set_int)
314 declare_mp_snprint(minio, print_nonzero)
315
316 declare_def_handler(minio_rq, set_int)
317 declare_def_snprint_defint(minio_rq, print_int, DEFAULT_MINIO_RQ)
318 declare_ovr_handler(minio_rq, set_int)
319 declare_ovr_snprint(minio_rq, print_nonzero)
320 declare_hw_handler(minio_rq, set_int)
321 declare_hw_snprint(minio_rq, print_nonzero)
322 declare_mp_handler(minio_rq, set_int)
323 declare_mp_snprint(minio_rq, print_nonzero)
324
325 declare_def_handler(queue_without_daemon, set_yes_no)
326 static int
327 snprint_def_queue_without_daemon (struct config *conf,
328                                   char * buff, int len, void * data)
329 {
330         switch (conf->queue_without_daemon) {
331         case QUE_NO_DAEMON_OFF:
332                 return snprintf(buff, len, "\"no\"");
333         case QUE_NO_DAEMON_ON:
334                 return snprintf(buff, len, "\"yes\"");
335         case QUE_NO_DAEMON_FORCE:
336                 return snprintf(buff, len, "\"forced\"");
337         }
338         return 0;
339 }
340
341 declare_def_handler(checker_timeout, set_int)
342 declare_def_snprint(checker_timeout, print_nonzero)
343
344 declare_def_handler(flush_on_last_del, set_yes_no_undef)
345 declare_def_snprint_defint(flush_on_last_del, print_yes_no_undef, YNU_NO)
346 declare_ovr_handler(flush_on_last_del, set_yes_no_undef)
347 declare_ovr_snprint(flush_on_last_del, print_yes_no_undef)
348 declare_hw_handler(flush_on_last_del, set_yes_no_undef)
349 declare_hw_snprint(flush_on_last_del, print_yes_no_undef)
350 declare_mp_handler(flush_on_last_del, set_yes_no_undef)
351 declare_mp_snprint(flush_on_last_del, print_yes_no_undef)
352
353 declare_def_handler(user_friendly_names, set_yes_no_undef)
354 declare_def_snprint_defint(user_friendly_names, print_yes_no_undef, YNU_NO)
355 declare_ovr_handler(user_friendly_names, set_yes_no_undef)
356 declare_ovr_snprint(user_friendly_names, print_yes_no_undef)
357 declare_hw_handler(user_friendly_names, set_yes_no_undef)
358 declare_hw_snprint(user_friendly_names, print_yes_no_undef)
359 declare_mp_handler(user_friendly_names, set_yes_no_undef)
360 declare_mp_snprint(user_friendly_names, print_yes_no_undef)
361
362 declare_def_handler(bindings_file, set_str)
363 declare_def_snprint(bindings_file, print_str)
364
365 declare_def_handler(wwids_file, set_str)
366 declare_def_snprint(wwids_file, print_str)
367
368 declare_def_handler(retain_hwhandler, set_yes_no_undef)
369 declare_def_snprint_defint(retain_hwhandler, print_yes_no_undef, YNU_NO)
370 declare_ovr_handler(retain_hwhandler, set_yes_no_undef)
371 declare_ovr_snprint(retain_hwhandler, print_yes_no_undef)
372 declare_hw_handler(retain_hwhandler, set_yes_no_undef)
373 declare_hw_snprint(retain_hwhandler, print_yes_no_undef)
374
375 declare_def_handler(detect_prio, set_yes_no_undef)
376 declare_def_snprint_defint(detect_prio, print_yes_no_undef, YNU_NO)
377 declare_ovr_handler(detect_prio, set_yes_no_undef)
378 declare_ovr_snprint(detect_prio, print_yes_no_undef)
379 declare_hw_handler(detect_prio, set_yes_no_undef)
380 declare_hw_snprint(detect_prio, print_yes_no_undef)
381
382 declare_def_handler(force_sync, set_yes_no)
383 declare_def_snprint(force_sync, print_yes_no)
384
385 declare_def_handler(deferred_remove, set_yes_no_undef)
386 declare_def_snprint_defint(deferred_remove, print_yes_no_undef, YNU_NO)
387 declare_ovr_handler(deferred_remove, set_yes_no_undef)
388 declare_ovr_snprint(deferred_remove, print_yes_no_undef)
389 declare_hw_handler(deferred_remove, set_yes_no_undef)
390 declare_hw_snprint(deferred_remove, print_yes_no_undef)
391 declare_mp_handler(deferred_remove, set_yes_no_undef)
392 declare_mp_snprint(deferred_remove, print_yes_no_undef)
393
394 declare_def_handler(retrigger_tries, set_int)
395 declare_def_snprint(retrigger_tries, print_int)
396
397 declare_def_handler(retrigger_delay, set_int)
398 declare_def_snprint(retrigger_delay, print_int)
399
400 declare_def_handler(uev_wait_timeout, set_int)
401 declare_def_snprint(uev_wait_timeout, print_int)
402
403 declare_def_handler(strict_timing, set_yes_no)
404 declare_def_snprint(strict_timing, print_yes_no)
405
406 declare_def_handler(skip_kpartx, set_yes_no_undef)
407 declare_def_snprint_defint(skip_kpartx, print_yes_no_undef, YNU_NO)
408 declare_ovr_handler(skip_kpartx, set_yes_no_undef)
409 declare_ovr_snprint(skip_kpartx, print_yes_no_undef)
410 declare_hw_handler(skip_kpartx, set_yes_no_undef)
411 declare_hw_snprint(skip_kpartx, print_yes_no_undef)
412 declare_mp_handler(skip_kpartx, set_yes_no_undef)
413 declare_mp_snprint(skip_kpartx, print_yes_no_undef)
414
415 static int
416 def_config_dir_handler(struct config *conf, vector strvec)
417 {
418         /* this is only valid in the main config file */
419         if (conf->processed_main_config)
420                 return 0;
421         return set_str(strvec, &conf->config_dir);
422 }
423 declare_def_snprint(config_dir, print_str)
424
425 #define declare_def_attr_handler(option, function)                      \
426 static int                                                              \
427 def_ ## option ## _handler (struct config *conf, vector strvec)         \
428 {                                                                       \
429         return function (strvec, &conf->option, &conf->attribute_flags);\
430 }
431
432 #define declare_def_attr_snprint(option, function)                      \
433 static int                                                              \
434 snprint_def_ ## option (struct config *conf, char * buff, int len, void * data) \
435 {                                                                       \
436         return function (buff, len, &conf->option,                      \
437                          &conf->attribute_flags);                       \
438 }
439
440 #define declare_mp_attr_handler(option, function)                       \
441 static int                                                              \
442 mp_ ## option ## _handler (struct config *conf, vector strvec)          \
443 {                                                                       \
444         struct mpentry * mpe = VECTOR_LAST_SLOT(conf->mptable);         \
445         if (!mpe)                                                       \
446                 return 1;                                               \
447         return function (strvec, &mpe->option, &mpe->attribute_flags);  \
448 }
449
450 #define declare_mp_attr_snprint(option, function)                       \
451 static int                                                              \
452 snprint_mp_ ## option (struct config *conf, char * buff, int len, void * data) \
453 {                                                                       \
454         struct mpentry * mpe = (struct mpentry *)data;                  \
455         return function (buff, len, &mpe->option,                       \
456                          &mpe->attribute_flags);                        \
457 }
458
459 static int
460 set_mode(vector strvec, void *ptr, int *flags)
461 {
462         mode_t mode;
463         mode_t *mode_ptr = (mode_t *)ptr;
464         char *buff;
465
466         buff = set_value(strvec);
467
468         if (!buff)
469                 return 1;
470
471         if (sscanf(buff, "%o", &mode) == 1 && mode <= 0777) {
472                 *flags |= (1 << ATTR_MODE);
473                 *mode_ptr = mode;
474         }
475
476         FREE(buff);
477         return 0;
478 }
479
480 static int
481 set_uid(vector strvec, void *ptr, int *flags)
482 {
483         uid_t uid;
484         uid_t *uid_ptr = (uid_t *)ptr;
485         char *buff;
486         char passwd_buf[1024];
487         struct passwd info, *found;
488
489         buff = set_value(strvec);
490         if (!buff)
491                 return 1;
492         if (getpwnam_r(buff, &info, passwd_buf, 1024, &found) == 0 && found) {
493                 *flags |= (1 << ATTR_UID);
494                 *uid_ptr = info.pw_uid;
495         }
496         else if (sscanf(buff, "%u", &uid) == 1){
497                 *flags |= (1 << ATTR_UID);
498                 *uid_ptr = uid;
499         }
500
501         FREE(buff);
502         return 0;
503 }
504
505 static int
506 set_gid(vector strvec, void *ptr, int *flags)
507 {
508         gid_t gid;
509         gid_t *gid_ptr = (gid_t *)ptr;
510         char *buff;
511         char passwd_buf[1024];
512         struct passwd info, *found;
513
514         buff = set_value(strvec);
515         if (!buff)
516                 return 1;
517
518         if (getpwnam_r(buff, &info, passwd_buf, 1024, &found) == 0 && found) {
519                 *flags |= (1 << ATTR_GID);
520                 *gid_ptr = info.pw_gid;
521         }
522         else if (sscanf(buff, "%u", &gid) == 1){
523                 *flags |= (1 << ATTR_GID);
524                 *gid_ptr = gid;
525         }
526         FREE(buff);
527         return 0;
528 }
529
530 static int
531 print_mode(char * buff, int len, void *ptr, int *flags)
532 {
533         mode_t *mode_ptr = (mode_t *)ptr;
534         if ((*flags & (1 << ATTR_MODE)) == 0)
535                 return 0;
536         return snprintf(buff, len, "0%o", *mode_ptr);
537 }
538
539 static int
540 print_uid(char * buff, int len, void *ptr, int *flags)
541 {
542         uid_t *uid_ptr = (uid_t *)ptr;
543         if ((*flags & (1 << ATTR_UID)) == 0)
544                 return 0;
545         return snprintf(buff, len, "0%o", *uid_ptr);
546 }
547
548 static int
549 print_gid(char * buff, int len, void *ptr, int *flags)
550 {
551         gid_t *gid_ptr = (gid_t *)ptr;
552         if ((*flags & (1 << ATTR_GID)) == 0)
553                 return 0;
554         return snprintf(buff, len, "0%o", *gid_ptr);
555 }
556
557 declare_def_attr_handler(mode, set_mode)
558 declare_def_attr_snprint(mode, print_mode)
559 declare_mp_attr_handler(mode, set_mode)
560 declare_mp_attr_snprint(mode, print_mode)
561
562 declare_def_attr_handler(uid, set_uid)
563 declare_def_attr_snprint(uid, print_uid)
564 declare_mp_attr_handler(uid, set_uid)
565 declare_mp_attr_snprint(uid, print_uid)
566
567 declare_def_attr_handler(gid, set_gid)
568 declare_def_attr_snprint(gid, print_gid)
569 declare_mp_attr_handler(gid, set_gid)
570 declare_mp_attr_snprint(gid, print_gid)
571
572 static int
573 set_fast_io_fail(vector strvec, void *ptr)
574 {
575         char * buff;
576         int *int_ptr = (int *)ptr;
577
578         buff = set_value(strvec);
579         if (!buff)
580                 return 1;
581
582         if (strcmp(buff, "off") == 0)
583                 *int_ptr = MP_FAST_IO_FAIL_OFF;
584         else if (sscanf(buff, "%d", int_ptr) != 1 ||
585                  *int_ptr < MP_FAST_IO_FAIL_ZERO)
586                 *int_ptr = MP_FAST_IO_FAIL_UNSET;
587         else if (*int_ptr == 0)
588                 *int_ptr = MP_FAST_IO_FAIL_ZERO;
589
590         FREE(buff);
591         return 0;
592 }
593
594 int
595 print_fast_io_fail(char * buff, int len, void *ptr)
596 {
597         int *int_ptr = (int *)ptr;
598
599         if (*int_ptr == MP_FAST_IO_FAIL_UNSET)
600                 return 0;
601         if (*int_ptr == MP_FAST_IO_FAIL_OFF)
602                 return snprintf(buff, len, "\"off\"");
603         if (*int_ptr == MP_FAST_IO_FAIL_ZERO)
604                 return snprintf(buff, len, "0");
605         return snprintf(buff, len, "%d", *int_ptr);
606 }
607
608 declare_def_handler(fast_io_fail, set_fast_io_fail)
609 declare_def_snprint(fast_io_fail, print_fast_io_fail)
610 declare_ovr_handler(fast_io_fail, set_fast_io_fail)
611 declare_ovr_snprint(fast_io_fail, print_fast_io_fail)
612 declare_hw_handler(fast_io_fail, set_fast_io_fail)
613 declare_hw_snprint(fast_io_fail, print_fast_io_fail)
614
615 static int
616 set_dev_loss(vector strvec, void *ptr)
617 {
618         char * buff;
619         unsigned int *uint_ptr = (unsigned int *)ptr;
620
621         buff = set_value(strvec);
622         if (!buff)
623                 return 1;
624
625         if (!strcmp(buff, "infinity"))
626                 *uint_ptr = MAX_DEV_LOSS_TMO;
627         else if (sscanf(buff, "%u", uint_ptr) != 1)
628                 *uint_ptr = 0;
629
630         FREE(buff);
631         return 0;
632 }
633
634 int
635 print_dev_loss(char * buff, int len, void *ptr)
636 {
637         unsigned int *uint_ptr = (unsigned int *)ptr;
638
639         if (!*uint_ptr)
640                 return 0;
641         if (*uint_ptr >= MAX_DEV_LOSS_TMO)
642                 return snprintf(buff, len, "\"infinity\"");
643         return snprintf(buff, len, "%u", *uint_ptr);
644 }
645
646 declare_def_handler(dev_loss, set_dev_loss)
647 declare_def_snprint(dev_loss, print_dev_loss)
648 declare_ovr_handler(dev_loss, set_dev_loss)
649 declare_ovr_snprint(dev_loss, print_dev_loss)
650 declare_hw_handler(dev_loss, set_dev_loss)
651 declare_hw_snprint(dev_loss, print_dev_loss)
652
653 static int
654 set_pgpolicy(vector strvec, void *ptr)
655 {
656         char * buff;
657         int *int_ptr = (int *)ptr;
658
659         buff = set_value(strvec);
660         if (!buff)
661                 return 1;
662
663         *int_ptr = get_pgpolicy_id(buff);
664         FREE(buff);
665
666         return 0;
667 }
668
669 int
670 print_pgpolicy(char * buff, int len, void *ptr)
671 {
672         char str[POLICY_NAME_SIZE];
673         int pgpolicy = *(int *)ptr;
674
675         if (!pgpolicy)
676                 return 0;
677
678         get_pgpolicy_name(str, POLICY_NAME_SIZE, pgpolicy);
679
680         return snprintf(buff, len, "\"%s\"", str);
681 }
682
683 declare_def_handler(pgpolicy, set_pgpolicy)
684 declare_def_snprint_defint(pgpolicy, print_pgpolicy, DEFAULT_PGPOLICY)
685 declare_ovr_handler(pgpolicy, set_pgpolicy)
686 declare_ovr_snprint(pgpolicy, print_pgpolicy)
687 declare_hw_handler(pgpolicy, set_pgpolicy)
688 declare_hw_snprint(pgpolicy, print_pgpolicy)
689 declare_mp_handler(pgpolicy, set_pgpolicy)
690 declare_mp_snprint(pgpolicy, print_pgpolicy)
691
692 int
693 get_sys_max_fds(int *max_fds)
694 {
695         FILE *file;
696         int nr_open;
697         int ret = 1;
698
699         file = fopen("/proc/sys/fs/nr_open", "r");
700         if (!file) {
701                 fprintf(stderr, "Cannot open /proc/sys/fs/nr_open : %s\n",
702                         strerror(errno));
703                 return 1;
704         }
705         if (fscanf(file, "%d", &nr_open) != 1) {
706                 fprintf(stderr, "Cannot read max open fds from /proc/sys/fs/nr_open");
707                 if (ferror(file))
708                         fprintf(stderr, " : %s\n", strerror(errno));
709                 else
710                         fprintf(stderr, "\n");
711         } else {
712                 *max_fds = nr_open;
713                 ret = 0;
714         }
715         fclose(file);
716         return ret;
717 }
718
719
720 static int
721 max_fds_handler(struct config *conf, vector strvec)
722 {
723         char * buff;
724         int r = 0, max_fds;
725
726         buff = set_value(strvec);
727
728         if (!buff)
729                 return 1;
730
731         r = get_sys_max_fds(&max_fds);
732         if (r) {
733                 /* Assume safe limit */
734                 max_fds = 4096;
735         }
736         if (strlen(buff) == 3 &&
737             !strcmp(buff, "max"))
738                 conf->max_fds = max_fds;
739         else
740                 conf->max_fds = atoi(buff);
741
742         if (conf->max_fds > max_fds)
743                 conf->max_fds = max_fds;
744
745         FREE(buff);
746
747         return r;
748 }
749
750 static int
751 snprint_max_fds (struct config *conf, char * buff, int len, void * data)
752 {
753         int r = 0, max_fds;
754
755         if (!conf->max_fds)
756                 return 0;
757
758         r = get_sys_max_fds(&max_fds);
759         if (!r && conf->max_fds >= max_fds)
760                 return snprintf(buff, len, "\"max\"");
761         else
762                 return snprintf(buff, len, "%d", conf->max_fds);
763 }
764
765 static int
766 set_rr_weight(vector strvec, void *ptr)
767 {
768         int *int_ptr = (int *)ptr;
769         char * buff;
770
771         buff = set_value(strvec);
772
773         if (!buff)
774                 return 1;
775
776         if (!strcmp(buff, "priorities"))
777                 *int_ptr = RR_WEIGHT_PRIO;
778
779         if (!strcmp(buff, "uniform"))
780                 *int_ptr = RR_WEIGHT_NONE;
781
782         FREE(buff);
783
784         return 0;
785 }
786
787 int
788 print_rr_weight (char * buff, int len, void *ptr)
789 {
790         int *int_ptr = (int *)ptr;
791
792         if (!*int_ptr)
793                 return 0;
794         if (*int_ptr == RR_WEIGHT_PRIO)
795                 return snprintf(buff, len, "\"priorities\"");
796         if (*int_ptr == RR_WEIGHT_NONE)
797                 return snprintf(buff, len, "\"uniform\"");
798
799         return 0;
800 }
801
802 declare_def_handler(rr_weight, set_rr_weight)
803 declare_def_snprint_defint(rr_weight, print_rr_weight, RR_WEIGHT_NONE)
804 declare_ovr_handler(rr_weight, set_rr_weight)
805 declare_ovr_snprint(rr_weight, print_rr_weight)
806 declare_hw_handler(rr_weight, set_rr_weight)
807 declare_hw_snprint(rr_weight, print_rr_weight)
808 declare_mp_handler(rr_weight, set_rr_weight)
809 declare_mp_snprint(rr_weight, print_rr_weight)
810
811 static int
812 set_pgfailback(vector strvec, void *ptr)
813 {
814         int *int_ptr = (int *)ptr;
815         char * buff;
816
817         buff = set_value(strvec);
818         if (!buff)
819                 return 1;
820
821         if (strlen(buff) == 6 && !strcmp(buff, "manual"))
822                 *int_ptr = -FAILBACK_MANUAL;
823         else if (strlen(buff) == 9 && !strcmp(buff, "immediate"))
824                 *int_ptr = -FAILBACK_IMMEDIATE;
825         else if (strlen(buff) == 10 && !strcmp(buff, "followover"))
826                 *int_ptr = -FAILBACK_FOLLOWOVER;
827         else
828                 *int_ptr = atoi(buff);
829
830         FREE(buff);
831
832         return 0;
833 }
834
835 int
836 print_pgfailback (char * buff, int len, void *ptr)
837 {
838         int *int_ptr = (int *)ptr;
839
840         switch(*int_ptr) {
841         case  FAILBACK_UNDEF:
842                 return 0;
843         case -FAILBACK_MANUAL:
844                 return snprintf(buff, len, "\"manual\"");
845         case -FAILBACK_IMMEDIATE:
846                 return snprintf(buff, len, "\"immediate\"");
847         case -FAILBACK_FOLLOWOVER:
848                 return snprintf(buff, len, "\"followover\"");
849         default:
850                 return snprintf(buff, len, "%i", *int_ptr);
851         }
852 }
853
854 declare_def_handler(pgfailback, set_pgfailback)
855 declare_def_snprint_defint(pgfailback, print_pgfailback, DEFAULT_FAILBACK)
856 declare_ovr_handler(pgfailback, set_pgfailback)
857 declare_ovr_snprint(pgfailback, print_pgfailback)
858 declare_hw_handler(pgfailback, set_pgfailback)
859 declare_hw_snprint(pgfailback, print_pgfailback)
860 declare_mp_handler(pgfailback, set_pgfailback)
861 declare_mp_snprint(pgfailback, print_pgfailback)
862
863 static int
864 set_no_path_retry(vector strvec, void *ptr)
865 {
866         int *int_ptr = (int *)ptr;
867         char * buff;
868
869         buff = set_value(strvec);
870         if (!buff)
871                 return 1;
872
873         if (!strcmp(buff, "fail") || !strcmp(buff, "0"))
874                 *int_ptr = NO_PATH_RETRY_FAIL;
875         else if (!strcmp(buff, "queue"))
876                 *int_ptr = NO_PATH_RETRY_QUEUE;
877         else if ((*int_ptr = atoi(buff)) < 1)
878                 *int_ptr = NO_PATH_RETRY_UNDEF;
879
880         FREE(buff);
881         return 0;
882 }
883
884 int
885 print_no_path_retry(char * buff, int len, void *ptr)
886 {
887         int *int_ptr = (int *)ptr;
888
889         switch(*int_ptr) {
890         case NO_PATH_RETRY_UNDEF:
891                 return 0;
892         case NO_PATH_RETRY_FAIL:
893                 return snprintf(buff, len, "\"fail\"");
894         case NO_PATH_RETRY_QUEUE:
895                 return snprintf(buff, len, "\"queue\"");
896         default:
897                 return snprintf(buff, len, "%i", *int_ptr);
898         }
899 }
900
901 declare_def_handler(no_path_retry, set_no_path_retry)
902 declare_def_snprint(no_path_retry, print_no_path_retry)
903 declare_ovr_handler(no_path_retry, set_no_path_retry)
904 declare_ovr_snprint(no_path_retry, print_no_path_retry)
905 declare_hw_handler(no_path_retry, set_no_path_retry)
906 declare_hw_snprint(no_path_retry, print_no_path_retry)
907 declare_mp_handler(no_path_retry, set_no_path_retry)
908 declare_mp_snprint(no_path_retry, print_no_path_retry)
909
910 static int
911 def_log_checker_err_handler(struct config *conf, vector strvec)
912 {
913         char * buff;
914
915         buff = set_value(strvec);
916
917         if (!buff)
918                 return 1;
919
920         if (strlen(buff) == 4 && !strcmp(buff, "once"))
921                 conf->log_checker_err = LOG_CHKR_ERR_ONCE;
922         else if (strlen(buff) == 6 && !strcmp(buff, "always"))
923                 conf->log_checker_err = LOG_CHKR_ERR_ALWAYS;
924
925         free(buff);
926         return 0;
927 }
928
929 static int
930 snprint_def_log_checker_err (struct config *conf, char * buff, int len, void * data)
931 {
932         if (conf->log_checker_err == LOG_CHKR_ERR_ONCE)
933                 return snprintf(buff, len, "once");
934         return snprintf(buff, len, "always");
935 }
936
937 static int
938 set_reservation_key(vector strvec, void *ptr)
939 {
940         unsigned char **uchar_ptr = (unsigned char **)ptr;
941         char *buff;
942         char *tbuff;
943         int j, k;
944         int len;
945         uint64_t prkey;
946
947         buff = set_value(strvec);
948         if (!buff)
949                 return 1;
950
951         tbuff = buff;
952
953         if (!memcmp("0x",buff, 2))
954                 buff = buff + 2;
955
956         len = strlen(buff);
957
958         k = strspn(buff, "0123456789aAbBcCdDeEfF");
959
960         if (len != k) {
961                 FREE(tbuff);
962                 return 1;
963         }
964
965         if (1 != sscanf (buff, "%" SCNx64 "", &prkey))
966         {
967                 FREE(tbuff);
968                 return 1;
969         }
970
971         if (!*uchar_ptr)
972                 *uchar_ptr = (unsigned char *) malloc(8);
973
974         memset(*uchar_ptr, 0, 8);
975
976         for (j = 7; j >= 0; --j) {
977                 (*uchar_ptr)[j] = (prkey & 0xff);
978                 prkey >>= 8;
979         }
980
981         FREE(tbuff);
982         return 0;
983 }
984
985 int
986 print_reservation_key(char * buff, int len, void * ptr)
987 {
988         unsigned char **uchar_ptr = (unsigned char **)ptr;
989         int i;
990         unsigned char *keyp;
991         uint64_t prkey = 0;
992
993         if (!*uchar_ptr)
994                 return 0;
995         keyp = (unsigned char *)(*uchar_ptr);
996         for (i = 0; i < 8; i++) {
997                 if (i > 0)
998                         prkey <<= 8;
999                 prkey |= *keyp;
1000                 keyp++;
1001         }
1002         return snprintf(buff, len, "0x%" PRIx64, prkey);
1003 }
1004
1005 declare_def_handler(reservation_key, set_reservation_key)
1006 declare_def_snprint(reservation_key, print_reservation_key)
1007 declare_mp_handler(reservation_key, set_reservation_key)
1008 declare_mp_snprint(reservation_key, print_reservation_key)
1009
1010 static int
1011 set_delay_checks(vector strvec, void *ptr)
1012 {
1013         int *int_ptr = (int *)ptr;
1014         char * buff;
1015
1016         buff = set_value(strvec);
1017         if (!buff)
1018                 return 1;
1019
1020         if (!strcmp(buff, "no") || !strcmp(buff, "0"))
1021                 *int_ptr = DELAY_CHECKS_OFF;
1022         else if ((*int_ptr = atoi(buff)) < 1)
1023                 *int_ptr = DELAY_CHECKS_UNDEF;
1024
1025         FREE(buff);
1026         return 0;
1027 }
1028
1029 int
1030 print_delay_checks(char * buff, int len, void *ptr)
1031 {
1032         int *int_ptr = (int *)ptr;
1033
1034         switch(*int_ptr) {
1035         case DELAY_CHECKS_UNDEF:
1036                 return 0;
1037         case DELAY_CHECKS_OFF:
1038                 return snprintf(buff, len, "\"off\"");
1039         default:
1040                 return snprintf(buff, len, "%i", *int_ptr);
1041         }
1042 }
1043
1044 declare_def_handler(delay_watch_checks, set_delay_checks)
1045 declare_def_snprint(delay_watch_checks, print_delay_checks)
1046 declare_ovr_handler(delay_watch_checks, set_delay_checks)
1047 declare_ovr_snprint(delay_watch_checks, print_delay_checks)
1048 declare_hw_handler(delay_watch_checks, set_delay_checks)
1049 declare_hw_snprint(delay_watch_checks, print_delay_checks)
1050 declare_mp_handler(delay_watch_checks, set_delay_checks)
1051 declare_mp_snprint(delay_watch_checks, print_delay_checks)
1052
1053 declare_def_handler(delay_wait_checks, set_delay_checks)
1054 declare_def_snprint(delay_wait_checks, print_delay_checks)
1055 declare_ovr_handler(delay_wait_checks, set_delay_checks)
1056 declare_ovr_snprint(delay_wait_checks, print_delay_checks)
1057 declare_hw_handler(delay_wait_checks, set_delay_checks)
1058 declare_hw_snprint(delay_wait_checks, print_delay_checks)
1059 declare_mp_handler(delay_wait_checks, set_delay_checks)
1060 declare_mp_snprint(delay_wait_checks, print_delay_checks)
1061
1062 static int
1063 def_uxsock_timeout_handler(struct config *conf, vector strvec)
1064 {
1065         unsigned int uxsock_timeout;
1066         char *buff;
1067
1068         buff = set_value(strvec);
1069         if (!buff)
1070                 return 1;
1071
1072         if (sscanf(buff, "%u", &uxsock_timeout) == 1 &&
1073             uxsock_timeout > DEFAULT_REPLY_TIMEOUT)
1074                 conf->uxsock_timeout = uxsock_timeout;
1075         else
1076                 conf->uxsock_timeout = DEFAULT_REPLY_TIMEOUT;
1077
1078         free(buff);
1079         return 0;
1080 }
1081
1082 /*
1083  * blacklist block handlers
1084  */
1085 static int
1086 blacklist_handler(struct config *conf, vector strvec)
1087 {
1088         if (!conf->blist_devnode)
1089                 conf->blist_devnode = vector_alloc();
1090         if (!conf->blist_wwid)
1091                 conf->blist_wwid = vector_alloc();
1092         if (!conf->blist_device)
1093                 conf->blist_device = vector_alloc();
1094         if (!conf->blist_property)
1095                 conf->blist_property = vector_alloc();
1096
1097         if (!conf->blist_devnode || !conf->blist_wwid ||
1098             !conf->blist_device || !conf->blist_property)
1099                 return 1;
1100
1101         return 0;
1102 }
1103
1104 static int
1105 blacklist_exceptions_handler(struct config *conf, vector strvec)
1106 {
1107         if (!conf->elist_devnode)
1108                 conf->elist_devnode = vector_alloc();
1109         if (!conf->elist_wwid)
1110                 conf->elist_wwid = vector_alloc();
1111         if (!conf->elist_device)
1112                 conf->elist_device = vector_alloc();
1113         if (!conf->elist_property)
1114                 conf->elist_property = vector_alloc();
1115
1116         if (!conf->elist_devnode || !conf->elist_wwid ||
1117             !conf->elist_device || !conf->elist_property)
1118                 return 1;
1119
1120         return 0;
1121 }
1122
1123 #define declare_ble_handler(option)                                     \
1124 static int                                                              \
1125 ble_ ## option ## _handler (struct config *conf, vector strvec)         \
1126 {                                                                       \
1127         char * buff;                                                    \
1128                                                                         \
1129         if (!conf->option)                                              \
1130                 return 1;                                               \
1131                                                                         \
1132         buff = set_value(strvec);                                       \
1133         if (!buff)                                                      \
1134                 return 1;                                               \
1135                                                                         \
1136         return store_ble(conf->option, buff, ORIGIN_CONFIG);            \
1137 }
1138
1139 #define declare_ble_device_handler(name, option, vend, prod)            \
1140 static int                                                              \
1141 ble_ ## option ## _ ## name ## _handler (struct config *conf, vector strvec) \
1142 {                                                                       \
1143         char * buff;                                                    \
1144                                                                         \
1145         if (!conf->option)                                              \
1146                 return 1;                                               \
1147                                                                         \
1148         buff = set_value(strvec);                                       \
1149         if (!buff)                                                      \
1150                 return 1;                                               \
1151                                                                         \
1152         return set_ble_device(conf->option, vend, prod, ORIGIN_CONFIG); \
1153 }
1154
1155 declare_ble_handler(blist_devnode)
1156 declare_ble_handler(elist_devnode)
1157 declare_ble_handler(blist_wwid)
1158 declare_ble_handler(elist_wwid)
1159 declare_ble_handler(blist_property)
1160 declare_ble_handler(elist_property)
1161
1162 static int
1163 snprint_def_uxsock_timeout(struct config *conf, char * buff, int len, void * data)
1164 {
1165         return snprintf(buff, len, "%u", conf->uxsock_timeout);
1166 }
1167
1168 static int
1169 snprint_ble_simple (struct config *conf, char * buff, int len, void * data)
1170 {
1171         struct blentry * ble = (struct blentry *)data;
1172
1173         return snprintf(buff, len, "\"%s\"", ble->str);
1174 }
1175
1176 static int
1177 ble_device_handler(struct config *conf, vector strvec)
1178 {
1179         return alloc_ble_device(conf->blist_device);
1180 }
1181
1182 static int
1183 ble_except_device_handler(struct config *conf, vector strvec)
1184 {
1185         return alloc_ble_device(conf->elist_device);
1186 }
1187
1188 declare_ble_device_handler(vendor, blist_device, buff, NULL)
1189 declare_ble_device_handler(vendor, elist_device, buff, NULL)
1190 declare_ble_device_handler(product, blist_device, NULL, buff)
1191 declare_ble_device_handler(product, elist_device, NULL, buff)
1192
1193 static int
1194 snprint_bled_vendor (struct config *conf, char * buff, int len, void * data)
1195 {
1196         struct blentry_device * bled = (struct blentry_device *)data;
1197
1198         return snprintf(buff, len, "\"%s\"", bled->vendor);
1199 }
1200
1201 static int
1202 snprint_bled_product (struct config *conf, char * buff, int len, void * data)
1203 {
1204         struct blentry_device * bled = (struct blentry_device *)data;
1205
1206         return snprintf(buff, len, "\"%s\"", bled->product);
1207 }
1208
1209 /*
1210  * devices block handlers
1211  */
1212 static int
1213 devices_handler(struct config *conf, vector strvec)
1214 {
1215         if (!conf->hwtable)
1216                 conf->hwtable = vector_alloc();
1217
1218         if (!conf->hwtable)
1219                 return 1;
1220
1221         return 0;
1222 }
1223
1224 static int
1225 device_handler(struct config *conf, vector strvec)
1226 {
1227         struct hwentry * hwe;
1228
1229         hwe = alloc_hwe();
1230
1231         if (!hwe)
1232                 return 1;
1233
1234         if (!vector_alloc_slot(conf->hwtable)) {
1235                 free_hwe(hwe);
1236                 return 1;
1237         }
1238         vector_set_slot(conf->hwtable, hwe);
1239
1240         return 0;
1241 }
1242
1243 declare_hw_handler(vendor, set_str)
1244 declare_hw_snprint(vendor, print_str)
1245
1246 declare_hw_handler(product, set_str)
1247 declare_hw_snprint(product, print_str)
1248
1249 declare_hw_handler(revision, set_str)
1250 declare_hw_snprint(revision, print_str)
1251
1252 declare_hw_handler(bl_product, set_str)
1253 declare_hw_snprint(bl_product, print_str)
1254
1255 declare_hw_handler(hwhandler, set_str)
1256 declare_hw_snprint(hwhandler, print_str)
1257
1258 /*
1259  * overrides handlers
1260  */
1261 static int
1262 overrides_handler(struct config *conf, vector strvec)
1263 {
1264         if (!conf->overrides)
1265                 conf->overrides = alloc_hwe();
1266
1267         if (!conf->overrides)
1268                 return 1;
1269
1270         return 0;
1271 }
1272
1273
1274
1275 /*
1276  * multipaths block handlers
1277  */
1278 static int
1279 multipaths_handler(struct config *conf, vector strvec)
1280 {
1281         if (!conf->mptable)
1282                 conf->mptable = vector_alloc();
1283
1284         if (!conf->mptable)
1285                 return 1;
1286
1287         return 0;
1288 }
1289
1290 static int
1291 multipath_handler(struct config *conf, vector strvec)
1292 {
1293         struct mpentry * mpe;
1294
1295         mpe = alloc_mpe();
1296
1297         if (!mpe)
1298                 return 1;
1299
1300         if (!vector_alloc_slot(conf->mptable)) {
1301                 free_mpe(mpe);
1302                 return 1;
1303         }
1304         vector_set_slot(conf->mptable, mpe);
1305
1306         return 0;
1307 }
1308
1309 declare_mp_handler(wwid, set_str)
1310 declare_mp_snprint(wwid, print_str)
1311
1312 declare_mp_handler(alias, set_str)
1313 declare_mp_snprint(alias, print_str)
1314
1315 /*
1316  * deprecated handlers
1317  */
1318
1319 static int
1320 deprecated_handler(struct config *conf, vector strvec)
1321 {
1322         char * buff;
1323
1324         buff = set_value(strvec);
1325
1326         if (!buff)
1327                 return 1;
1328
1329         FREE(buff);
1330         return 0;
1331 }
1332
1333 static int
1334 snprint_deprecated (struct config *conf, char * buff, int len, void * data)
1335 {
1336         return 0;
1337 }
1338
1339 #define __deprecated
1340
1341 /*
1342  * If you add or remove a keyword also update multipath/multipath.conf.5
1343  */
1344 void
1345 init_keywords(vector keywords)
1346 {
1347         install_keyword_root("defaults", NULL);
1348         install_keyword("verbosity", &def_verbosity_handler, &snprint_def_verbosity);
1349         install_keyword("polling_interval", &def_checkint_handler, &snprint_def_checkint);
1350         install_keyword("max_polling_interval", &def_max_checkint_handler, &snprint_def_max_checkint);
1351         install_keyword("reassign_maps", &def_reassign_maps_handler, &snprint_def_reassign_maps);
1352         install_keyword("multipath_dir", &def_multipath_dir_handler, &snprint_def_multipath_dir);
1353         install_keyword("path_selector", &def_selector_handler, &snprint_def_selector);
1354         install_keyword("path_grouping_policy", &def_pgpolicy_handler, &snprint_def_pgpolicy);
1355         install_keyword("uid_attribute", &def_uid_attribute_handler, &snprint_def_uid_attribute);
1356         install_keyword("getuid_callout", &def_getuid_handler, &snprint_def_getuid);
1357         install_keyword("prio", &def_prio_name_handler, &snprint_def_prio_name);
1358         install_keyword("prio_args", &def_prio_args_handler, &snprint_def_prio_args);
1359         install_keyword("features", &def_features_handler, &snprint_def_features);
1360         install_keyword("path_checker", &def_checker_name_handler, &snprint_def_checker_name);
1361         install_keyword("checker", &def_checker_name_handler, NULL);
1362         install_keyword("alias_prefix", &def_alias_prefix_handler, &snprint_def_alias_prefix);
1363         install_keyword("failback", &def_pgfailback_handler, &snprint_def_pgfailback);
1364         install_keyword("rr_min_io", &def_minio_handler, &snprint_def_minio);
1365         install_keyword("rr_min_io_rq", &def_minio_rq_handler, &snprint_def_minio_rq);
1366         install_keyword("max_fds", &max_fds_handler, &snprint_max_fds);
1367         install_keyword("rr_weight", &def_rr_weight_handler, &snprint_def_rr_weight);
1368         install_keyword("no_path_retry", &def_no_path_retry_handler, &snprint_def_no_path_retry);
1369         install_keyword("queue_without_daemon", &def_queue_without_daemon_handler, &snprint_def_queue_without_daemon);
1370         install_keyword("checker_timeout", &def_checker_timeout_handler, &snprint_def_checker_timeout);
1371         install_keyword("pg_timeout", &deprecated_handler, &snprint_deprecated);
1372         install_keyword("flush_on_last_del", &def_flush_on_last_del_handler, &snprint_def_flush_on_last_del);
1373         install_keyword("user_friendly_names", &def_user_friendly_names_handler, &snprint_def_user_friendly_names);
1374         install_keyword("mode", &def_mode_handler, &snprint_def_mode);
1375         install_keyword("uid", &def_uid_handler, &snprint_def_uid);
1376         install_keyword("gid", &def_gid_handler, &snprint_def_gid);
1377         install_keyword("fast_io_fail_tmo", &def_fast_io_fail_handler, &snprint_def_fast_io_fail);
1378         install_keyword("dev_loss_tmo", &def_dev_loss_handler, &snprint_def_dev_loss);
1379         install_keyword("bindings_file", &def_bindings_file_handler, &snprint_def_bindings_file);
1380         install_keyword("wwids_file", &def_wwids_file_handler, &snprint_def_wwids_file);
1381         install_keyword("log_checker_err", &def_log_checker_err_handler, &snprint_def_log_checker_err);
1382         install_keyword("reservation_key", &def_reservation_key_handler, &snprint_def_reservation_key);
1383         install_keyword("retain_attached_hw_handler", &def_retain_hwhandler_handler, &snprint_def_retain_hwhandler);
1384         install_keyword("detect_prio", &def_detect_prio_handler, &snprint_def_detect_prio);
1385         install_keyword("force_sync", &def_force_sync_handler, &snprint_def_force_sync);
1386         install_keyword("strict_timing", &def_strict_timing_handler, &snprint_def_strict_timing);
1387         install_keyword("deferred_remove", &def_deferred_remove_handler, &snprint_def_deferred_remove);
1388         install_keyword("partition_delimiter", &def_partition_delim_handler, &snprint_def_partition_delim);
1389         install_keyword("config_dir", &def_config_dir_handler, &snprint_def_config_dir);
1390         install_keyword("delay_watch_checks", &def_delay_watch_checks_handler, &snprint_def_delay_watch_checks);
1391         install_keyword("delay_wait_checks", &def_delay_wait_checks_handler, &snprint_def_delay_wait_checks);
1392         install_keyword("find_multipaths", &def_find_multipaths_handler, &snprint_def_find_multipaths);
1393         install_keyword("uxsock_timeout", &def_uxsock_timeout_handler, &snprint_def_uxsock_timeout);
1394         install_keyword("retrigger_tries", &def_retrigger_tries_handler, &snprint_def_retrigger_tries);
1395         install_keyword("retrigger_delay", &def_retrigger_delay_handler, &snprint_def_retrigger_delay);
1396         install_keyword("missing_uev_wait_timeout", &def_uev_wait_timeout_handler, &snprint_def_uev_wait_timeout);
1397         install_keyword("skip_kpartx", &def_skip_kpartx_handler, &snprint_def_skip_kpartx);
1398         __deprecated install_keyword("default_selector", &def_selector_handler, NULL);
1399         __deprecated install_keyword("default_path_grouping_policy", &def_pgpolicy_handler, NULL);
1400         __deprecated install_keyword("default_uid_attribute", &def_uid_attribute_handler, NULL);
1401         __deprecated install_keyword("default_getuid_callout", &def_getuid_handler, NULL);
1402         __deprecated install_keyword("default_features", &def_features_handler, NULL);
1403         __deprecated install_keyword("default_path_checker", &def_checker_name_handler, NULL);
1404
1405         install_keyword_root("blacklist", &blacklist_handler);
1406         install_keyword_multi("devnode", &ble_blist_devnode_handler, &snprint_ble_simple);
1407         install_keyword_multi("wwid", &ble_blist_wwid_handler, &snprint_ble_simple);
1408         install_keyword_multi("property", &ble_blist_property_handler, &snprint_ble_simple);
1409         install_keyword_multi("device", &ble_device_handler, NULL);
1410         install_sublevel();
1411         install_keyword("vendor", &ble_blist_device_vendor_handler, &snprint_bled_vendor);
1412         install_keyword("product", &ble_blist_device_product_handler, &snprint_bled_product);
1413         install_sublevel_end();
1414         install_keyword_root("blacklist_exceptions", &blacklist_exceptions_handler);
1415         install_keyword_multi("devnode", &ble_elist_devnode_handler, &snprint_ble_simple);
1416         install_keyword_multi("wwid", &ble_elist_wwid_handler, &snprint_ble_simple);
1417         install_keyword_multi("property", &ble_elist_property_handler, &snprint_ble_simple);
1418         install_keyword_multi("device", &ble_except_device_handler, NULL);
1419         install_sublevel();
1420         install_keyword("vendor", &ble_elist_device_vendor_handler, &snprint_bled_vendor);
1421         install_keyword("product", &ble_elist_device_product_handler, &snprint_bled_product);
1422         install_sublevel_end();
1423
1424 #if 0
1425         __deprecated install_keyword_root("devnode_blacklist", &blacklist_handler);
1426         __deprecated install_keyword("devnode", &ble_devnode_handler, &snprint_ble_simple);
1427         __deprecated install_keyword("wwid", &ble_wwid_handler, &snprint_ble_simple);
1428         __deprecated install_keyword("device", &ble_device_handler, NULL);
1429         __deprecated install_sublevel();
1430         __deprecated install_keyword("vendor", &ble_vendor_handler, &snprint_bled_vendor);
1431         __deprecated install_keyword("product", &ble_product_handler, &snprint_bled_product);
1432         __deprecated install_sublevel_end();
1433 #endif
1434 /*
1435  * If you add or remove a "device subsection" keyword also update
1436  * multipath/multipath.conf.5 and the TEMPLATE in libmultipath/hwtable.c
1437  */
1438         install_keyword_root("devices", &devices_handler);
1439         install_keyword_multi("device", &device_handler, NULL);
1440         install_sublevel();
1441         install_keyword("vendor", &hw_vendor_handler, &snprint_hw_vendor);
1442         install_keyword("product", &hw_product_handler, &snprint_hw_product);
1443         install_keyword("revision", &hw_revision_handler, &snprint_hw_revision);
1444         install_keyword("product_blacklist", &hw_bl_product_handler, &snprint_hw_bl_product);
1445         install_keyword("path_grouping_policy", &hw_pgpolicy_handler, &snprint_hw_pgpolicy);
1446         install_keyword("uid_attribute", &hw_uid_attribute_handler, &snprint_hw_uid_attribute);
1447         install_keyword("getuid_callout", &hw_getuid_handler, &snprint_hw_getuid);
1448         install_keyword("path_selector", &hw_selector_handler, &snprint_hw_selector);
1449         install_keyword("path_checker", &hw_checker_name_handler, &snprint_hw_checker_name);
1450         install_keyword("checker", &hw_checker_name_handler, NULL);
1451         install_keyword("alias_prefix", &hw_alias_prefix_handler, &snprint_hw_alias_prefix);
1452         install_keyword("features", &hw_features_handler, &snprint_hw_features);
1453         install_keyword("hardware_handler", &hw_hwhandler_handler, &snprint_hw_hwhandler);
1454         install_keyword("prio", &hw_prio_name_handler, &snprint_hw_prio_name);
1455         install_keyword("prio_args", &hw_prio_args_handler, &snprint_hw_prio_args);
1456         install_keyword("failback", &hw_pgfailback_handler, &snprint_hw_pgfailback);
1457         install_keyword("rr_weight", &hw_rr_weight_handler, &snprint_hw_rr_weight);
1458         install_keyword("no_path_retry", &hw_no_path_retry_handler, &snprint_hw_no_path_retry);
1459         install_keyword("rr_min_io", &hw_minio_handler, &snprint_hw_minio);
1460         install_keyword("rr_min_io_rq", &hw_minio_rq_handler, &snprint_hw_minio_rq);
1461         install_keyword("pg_timeout", &deprecated_handler, &snprint_deprecated);
1462         install_keyword("flush_on_last_del", &hw_flush_on_last_del_handler, &snprint_hw_flush_on_last_del);
1463         install_keyword("fast_io_fail_tmo", &hw_fast_io_fail_handler, &snprint_hw_fast_io_fail);
1464         install_keyword("dev_loss_tmo", &hw_dev_loss_handler, &snprint_hw_dev_loss);
1465         install_keyword("user_friendly_names", &hw_user_friendly_names_handler, &snprint_hw_user_friendly_names);
1466         install_keyword("retain_attached_hw_handler", &hw_retain_hwhandler_handler, &snprint_hw_retain_hwhandler);
1467         install_keyword("detect_prio", &hw_detect_prio_handler, &snprint_hw_detect_prio);
1468         install_keyword("deferred_remove", &hw_deferred_remove_handler, &snprint_hw_deferred_remove);
1469         install_keyword("delay_watch_checks", &hw_delay_watch_checks_handler, &snprint_hw_delay_watch_checks);
1470         install_keyword("delay_wait_checks", &hw_delay_wait_checks_handler, &snprint_hw_delay_wait_checks);
1471         install_keyword("skip_kpartx", &hw_skip_kpartx_handler, &snprint_hw_skip_kpartx);
1472         install_sublevel_end();
1473
1474         install_keyword_root("overrides", &overrides_handler);
1475         install_keyword("path_grouping_policy", &ovr_pgpolicy_handler, &snprint_ovr_pgpolicy);
1476         install_keyword("uid_attribute", &ovr_uid_attribute_handler, &snprint_ovr_uid_attribute);
1477         install_keyword("getuid_callout", &ovr_getuid_handler, &snprint_ovr_getuid);
1478         install_keyword("path_selector", &ovr_selector_handler, &snprint_ovr_selector);
1479         install_keyword("path_checker", &ovr_checker_name_handler, &snprint_ovr_checker_name);
1480         install_keyword("checker", &ovr_checker_name_handler, NULL);
1481         install_keyword("alias_prefix", &ovr_alias_prefix_handler, &snprint_ovr_alias_prefix);
1482         install_keyword("features", &ovr_features_handler, &snprint_ovr_features);
1483         install_keyword("prio", &ovr_prio_name_handler, &snprint_ovr_prio_name);
1484         install_keyword("prio_args", &ovr_prio_args_handler, &snprint_ovr_prio_args);
1485         install_keyword("failback", &ovr_pgfailback_handler, &snprint_ovr_pgfailback);
1486         install_keyword("rr_weight", &ovr_rr_weight_handler, &snprint_ovr_rr_weight);
1487         install_keyword("no_path_retry", &ovr_no_path_retry_handler, &snprint_ovr_no_path_retry);
1488         install_keyword("rr_min_io", &ovr_minio_handler, &snprint_ovr_minio);
1489         install_keyword("rr_min_io_rq", &ovr_minio_rq_handler, &snprint_ovr_minio_rq);
1490         install_keyword("flush_on_last_del", &ovr_flush_on_last_del_handler, &snprint_ovr_flush_on_last_del);
1491         install_keyword("fast_io_fail_tmo", &ovr_fast_io_fail_handler, &snprint_ovr_fast_io_fail);
1492         install_keyword("dev_loss_tmo", &ovr_dev_loss_handler, &snprint_ovr_dev_loss);
1493         install_keyword("user_friendly_names", &ovr_user_friendly_names_handler, &snprint_ovr_user_friendly_names);
1494         install_keyword("retain_attached_hw_handler", &ovr_retain_hwhandler_handler, &snprint_ovr_retain_hwhandler);
1495         install_keyword("detect_prio", &ovr_detect_prio_handler, &snprint_ovr_detect_prio);
1496         install_keyword("deferred_remove", &ovr_deferred_remove_handler, &snprint_ovr_deferred_remove);
1497         install_keyword("delay_watch_checks", &ovr_delay_watch_checks_handler, &snprint_ovr_delay_watch_checks);
1498         install_keyword("delay_wait_checks", &ovr_delay_wait_checks_handler, &snprint_ovr_delay_wait_checks);
1499         install_keyword("skip_kpartx", &ovr_skip_kpartx_handler, &snprint_ovr_skip_kpartx);
1500
1501         install_keyword_root("multipaths", &multipaths_handler);
1502         install_keyword_multi("multipath", &multipath_handler, NULL);
1503         install_sublevel();
1504         install_keyword("wwid", &mp_wwid_handler, &snprint_mp_wwid);
1505         install_keyword("alias", &mp_alias_handler, &snprint_mp_alias);
1506         install_keyword("path_grouping_policy", &mp_pgpolicy_handler, &snprint_mp_pgpolicy);
1507         install_keyword("path_selector", &mp_selector_handler, &snprint_mp_selector);
1508         install_keyword("prio", &mp_prio_name_handler, &snprint_mp_prio_name);
1509         install_keyword("prio_args", &mp_prio_args_handler, &snprint_mp_prio_args);
1510         install_keyword("failback", &mp_pgfailback_handler, &snprint_mp_pgfailback);
1511         install_keyword("rr_weight", &mp_rr_weight_handler, &snprint_mp_rr_weight);
1512         install_keyword("no_path_retry", &mp_no_path_retry_handler, &snprint_mp_no_path_retry);
1513         install_keyword("rr_min_io", &mp_minio_handler, &snprint_mp_minio);
1514         install_keyword("rr_min_io_rq", &mp_minio_rq_handler, &snprint_mp_minio_rq);
1515         install_keyword("pg_timeout", &deprecated_handler, &snprint_deprecated);
1516         install_keyword("flush_on_last_del", &mp_flush_on_last_del_handler, &snprint_mp_flush_on_last_del);
1517         install_keyword("features", &mp_features_handler, &snprint_mp_features);
1518         install_keyword("mode", &mp_mode_handler, &snprint_mp_mode);
1519         install_keyword("uid", &mp_uid_handler, &snprint_mp_uid);
1520         install_keyword("gid", &mp_gid_handler, &snprint_mp_gid);
1521         install_keyword("reservation_key", &mp_reservation_key_handler, &snprint_mp_reservation_key);
1522         install_keyword("user_friendly_names", &mp_user_friendly_names_handler, &snprint_mp_user_friendly_names);
1523         install_keyword("deferred_remove", &mp_deferred_remove_handler, &snprint_mp_deferred_remove);
1524         install_keyword("delay_watch_checks", &mp_delay_watch_checks_handler, &snprint_mp_delay_watch_checks);
1525         install_keyword("delay_wait_checks", &mp_delay_wait_checks_handler, &snprint_mp_delay_wait_checks);
1526         install_keyword("skip_kpartx", &mp_skip_kpartx_handler, &snprint_mp_skip_kpartx);
1527         install_sublevel_end();
1528 }