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402461ad | 1 | #if (!defined(lint) && !defined(SABER)) |
08345b74 | 2 | static char rcsid_module_c[] = "$Header$"; |
3 | #endif lint | |
4 | ||
8defc06b | 5 | /* This is the file utils.c for the MOIRA Client, which allows a nieve |
6 | * user to quickly and easily maintain most parts of the MOIRA database. | |
0a2c64cb | 7 | * It Contains: Many useful utility functions. |
08345b74 | 8 | * |
9 | * Created: 4/25/88 | |
10 | * By: Chris D. Peterson | |
11 | * | |
12 | * $Source$ | |
13 | * $Author$ | |
14 | * $Header$ | |
15 | * | |
0a2c64cb | 16 | * Copyright 1988 by the Massachusetts Institute of Technology. |
08345b74 | 17 | * |
18 | * For further information on copyright and distribution | |
19 | * see the file mit-copyright.h | |
20 | */ | |
21 | ||
08345b74 | 22 | #include <stdio.h> |
f071d8a7 | 23 | #include <string.h> |
8defc06b | 24 | #include <moira.h> |
25 | #include <moira_site.h> | |
08345b74 | 26 | #include <menu.h> |
6769d5bc | 27 | #include <ctype.h> |
08345b74 | 28 | |
29 | #include "mit-copyright.h" | |
0a2c64cb | 30 | #include "defs.h" |
31 | #include "f_defs.h" | |
08345b74 | 32 | #include "globals.h" |
08345b74 | 33 | #include <netdb.h> /* for gethostbyname. */ |
ccce9c6a | 34 | #include <sys/types.h> |
35 | #include <netinet/in.h> | |
36 | ||
08345b74 | 37 | |
0a2c64cb | 38 | /* Function Name: AddQueue |
39 | * Description: Adds an element to a queue | |
40 | * Arguments: elem, pred - element and its predecessor. | |
41 | * Returns: none. | |
42 | */ | |
43 | ||
44 | static void | |
45 | AddQueue(elem, pred) | |
46 | struct qelem * elem, *pred; | |
47 | { | |
48 | if (pred == NULL) { | |
49 | elem->q_forw = NULL; | |
50 | elem->q_back = NULL; | |
51 | return; | |
52 | } | |
53 | elem->q_back = pred; | |
54 | elem->q_forw = pred->q_forw; | |
55 | pred->q_forw = elem; | |
56 | } | |
57 | ||
58 | /* Function Name: RemoveQueue | |
59 | * Description: removes an element from a queue. | |
60 | * Arguments: elem. | |
61 | * Returns: none. | |
62 | */ | |
63 | ||
64 | static void | |
65 | RemoveQueue(elem) | |
66 | struct qelem *elem; | |
67 | { | |
68 | if (elem->q_forw != NULL) | |
69 | (elem->q_forw)->q_back = elem->q_back; | |
70 | if (elem->q_back != NULL) | |
71 | (elem->q_back)->q_forw = elem->q_forw; | |
72 | } | |
73 | ||
70ea6aa8 | 74 | |
75 | /* CopyInfo: allocates memory for a copy of a NULL terminated array of | |
76 | * strings <and returns a pointer to the copy. | |
77 | */ | |
78 | ||
79 | char **CopyInfo(info) | |
80 | char **info; | |
81 | { | |
82 | char **ret; | |
83 | int i; | |
84 | ||
85 | ret = (char **) malloc(sizeof(char *) * (CountArgs(info) + 1)); | |
86 | if (ret == NULL) | |
87 | return(ret); | |
88 | for (i = 0; info[i]; i++) | |
89 | ret[i] = Strsave(info[i]); | |
90 | ret[i] = NULL; | |
91 | return(ret); | |
92 | } | |
93 | ||
94 | ||
08345b74 | 95 | /* Function Name: FreeInfo |
96 | * Description: Frees all elements of a NULL terminated arrary of char*'s | |
97 | * Arguments: info - array who's elements we are to free. | |
98 | * Returns: none. | |
99 | */ | |
100 | ||
101 | void | |
102 | FreeInfo(info) | |
103 | char ** info; | |
104 | { | |
85ca828a | 105 | while (*info != NULL) |
106 | FreeAndClear(info++, TRUE); | |
08345b74 | 107 | } |
108 | ||
461c03b6 | 109 | /* Function Name: FreeAndClear - I couldn't resist the name. |
110 | * Description: Clears pointer and optionially frees it. | |
111 | * Arguments: pointer - pointer to work with. | |
112 | * free_it - if TRUE then free pointer. | |
113 | * Returns: none. | |
114 | */ | |
115 | ||
116 | void | |
117 | FreeAndClear(pointer, free_it) | |
118 | char ** pointer; | |
119 | Bool free_it; | |
120 | { | |
121 | if (*pointer == NULL) | |
122 | return; | |
123 | else if (free_it) | |
124 | free(*pointer); | |
125 | *pointer = NULL; | |
126 | } | |
127 | ||
128 | /* Function Name: QueueTop | |
129 | * Description: returns a qelem pointer that points to the top of | |
130 | * a queue. | |
131 | * Arguments: elem - any element of a queue. | |
132 | * Returns: top element of a queue. | |
133 | */ | |
134 | ||
135 | struct qelem * | |
136 | QueueTop(elem) | |
137 | struct qelem * elem; | |
138 | { | |
139 | if (elem == NULL) /* NULL returns NULL. */ | |
140 | return(NULL); | |
141 | while (elem->q_back != NULL) | |
142 | elem = elem->q_back; | |
143 | return(elem); | |
144 | } | |
145 | ||
08345b74 | 146 | /* Function Name: FreeQueueElem |
147 | * Description: Frees one element of the queue. | |
148 | * Arguments: elem - the elem to free. | |
149 | * Returns: none | |
150 | */ | |
151 | ||
0a2c64cb | 152 | static void |
08345b74 | 153 | FreeQueueElem(elem) |
461c03b6 | 154 | struct qelem * elem; |
08345b74 | 155 | { |
461c03b6 | 156 | char ** info = (char **) elem->q_data; |
157 | ||
158 | if (info != (char **) NULL) { | |
159 | FreeInfo( info ); /* free info fields */ | |
08345b74 | 160 | free(elem->q_data); /* free info array itself. */ |
161 | } | |
85ca828a | 162 | RemoveQueue(elem); /* remove this element from the queue */ |
08345b74 | 163 | free(elem); /* free its space. */ |
164 | } | |
165 | ||
166 | /* Function Name: FreeQueue | |
167 | * Description: Cleans up the queue | |
168 | * Arguments: elem - any element of the queue. | |
169 | * Returns: none. | |
170 | */ | |
171 | ||
172 | void | |
173 | FreeQueue(elem) | |
461c03b6 | 174 | struct qelem * elem; |
08345b74 | 175 | { |
461c03b6 | 176 | struct qelem *temp, *local = QueueTop(elem); |
08345b74 | 177 | |
178 | while(local != NULL) { | |
179 | temp = local->q_forw; | |
180 | FreeQueueElem(local); | |
181 | local = temp; | |
182 | } | |
183 | } | |
184 | ||
185 | /* Function Name: QueueCount | |
186 | * Description: Counts the number of elements in a queue | |
187 | * Arguments: elem - any element in the queue. | |
188 | * Returns: none. | |
189 | */ | |
190 | ||
191 | int | |
192 | QueueCount(elem) | |
193 | struct qelem * elem; | |
194 | { | |
195 | int count = 0; | |
196 | elem = QueueTop(elem); | |
197 | while (elem != NULL) { | |
198 | count ++; | |
199 | elem = elem->q_forw; | |
200 | } | |
201 | return(count); | |
202 | } | |
203 | ||
0a2c64cb | 204 | /* Function Name: StoreInfo |
8defc06b | 205 | * Description: Stores information from an moira query into a queue. |
0a2c64cb | 206 | * Arguments: argc, argv, - information returned from the query returned |
207 | * in argv. | |
208 | * data - the previous element on the queue, this data will be | |
209 | * stored in a qelem struct immediatly after this elem. | |
210 | * If NULL then a new queue will be created. This value | |
211 | * is updated to the current element at the end off the | |
212 | * call. | |
8defc06b | 213 | * Returns: MR_CONT, or MR_ABORT if it has problems. |
0a2c64cb | 214 | */ |
215 | ||
08345b74 | 216 | int |
217 | StoreInfo(argc, argv, data) | |
218 | int argc; | |
219 | char ** argv; | |
461c03b6 | 220 | char * data; |
08345b74 | 221 | { |
402461ad | 222 | char ** info = (char **) malloc( MAX_ARGS_SIZE * sizeof(char *)); |
08345b74 | 223 | struct qelem ** old_elem = (struct qelem **) data; |
224 | struct qelem * new_elem = (struct qelem *) malloc (sizeof (struct qelem)); | |
225 | int count; | |
226 | ||
402461ad | 227 | if ( (new_elem == (struct qelem *) NULL) || (info == (char **) NULL) ) { |
228 | Put_message("Could Not allocate more memory."); | |
229 | FreeQueue(*old_elem); | |
230 | *old_elem = (struct qelem *) NULL; | |
8defc06b | 231 | return(MR_ABORT); |
402461ad | 232 | } |
233 | ||
08345b74 | 234 | for (count = 0; count < argc; count++) |
235 | info[count] = Strsave(argv[count]); | |
236 | info[count] = NULL; /* NULL terminate this sucker. */ | |
237 | ||
85ca828a | 238 | new_elem->q_data = (char *) info; |
239 | AddQueue(new_elem, *old_elem); | |
08345b74 | 240 | |
241 | *old_elem = new_elem; | |
8defc06b | 242 | return(MR_CONT); |
08345b74 | 243 | } |
244 | ||
245 | /* Function Name: CountArgs | |
246 | * Description: Retrieve the number of args in a null terminated | |
247 | * arglist. | |
248 | * Arguments: info - the argument list. | |
249 | * Returns: number if args in the list. | |
250 | */ | |
251 | ||
252 | int | |
461c03b6 | 253 | CountArgs(info) |
08345b74 | 254 | char ** info; |
255 | { | |
256 | int number = 0; | |
257 | ||
461c03b6 | 258 | while (*info != NULL) { |
08345b74 | 259 | number++; |
461c03b6 | 260 | info++; |
261 | } | |
08345b74 | 262 | |
263 | return(number); | |
264 | } | |
265 | ||
266 | /* Function Name: Scream | |
267 | * Description: Bitch Loudly and exit, it is intended as a callback | |
268 | * function for queries that should never return a value. | |
269 | * Arguments: none | |
270 | * Returns: doesn't exit. | |
271 | */ | |
272 | ||
461c03b6 | 273 | int |
08345b74 | 274 | Scream() |
275 | { | |
461c03b6 | 276 | com_err(program_name, 0, |
95cd286e | 277 | "\nA Moira update returned a value -- programmer botch\n"); |
8defc06b | 278 | mr_disconnect(); |
08345b74 | 279 | exit(1); |
24582af9 | 280 | /*NOTREACHED*/ |
281 | return(-1); | |
08345b74 | 282 | } |
283 | ||
08345b74 | 284 | /* Function Name: PromptWithDefault |
285 | * Description: allows a user to be prompted for input, and given a | |
286 | * default choice. | |
287 | * Arguments: prompt - the prompt string. | |
288 | * buf, buflen - buffer to be returned and its MAX size? | |
289 | * default value for the answer. | |
1feef067 | 290 | * Returns: zero on failure |
08345b74 | 291 | */ |
292 | ||
293 | int | |
294 | PromptWithDefault(prompt, buf, buflen, def) | |
295 | char *prompt, *buf; | |
296 | int buflen; | |
297 | char *def; | |
298 | { | |
299 | char tmp[BUFSIZ]; | |
300 | int ans; | |
301 | ||
1feef067 | 302 | if (parsed_argc > 0) { |
303 | parsed_argc--; | |
304 | strncpy(buf, parsed_argv[0], buflen); | |
305 | sprintf(tmp, "%s: %s", prompt, buf); | |
306 | Put_message(tmp); | |
307 | parsed_argv++; | |
308 | return(1); | |
309 | } | |
310 | ||
08345b74 | 311 | (void) sprintf(tmp, "%s [%s]: ", prompt, def ? def : ""); |
312 | ans = Prompt_input(tmp, buf, buflen); | |
313 | if (IS_EMPTY(buf)) | |
314 | (void) strcpy(buf, def); | |
0b6a715f | 315 | else if (!strcmp(buf, "\"\"")) |
316 | *buf = 0; | |
08345b74 | 317 | return(ans); |
318 | } | |
319 | ||
320 | /* Function Name: YesNoQuestion | |
321 | * Description: This prompts the user for the answer to a yes-no or | |
322 | * true-false question. | |
323 | * Arguments: prompt - the prompt for the user. | |
324 | * bool_def - the default value either TRUE or FALSE. | |
325 | * Returns: TRUE or FALSE or -1 on error | |
326 | */ | |
327 | ||
328 | Bool | |
329 | YesNoQuestion(prompt, bool_def) | |
330 | char *prompt; | |
331 | int bool_def; | |
332 | { | |
3c1a8806 | 333 | char ans[2]; |
08345b74 | 334 | |
335 | while (TRUE) { | |
3c1a8806 | 336 | if (!PromptWithDefault(prompt, ans, 2, bool_def ? "y" : "n")) |
08345b74 | 337 | return(-1); |
3c1a8806 | 338 | switch (ans[0]) { |
08345b74 | 339 | case 'n': |
340 | case 'N': | |
341 | return(FALSE); | |
08345b74 | 342 | case 'y': |
343 | case 'Y': | |
344 | return(TRUE); | |
08345b74 | 345 | default: |
346 | Put_message("Please answer 'y' or 'n'."); | |
347 | break; | |
348 | } | |
349 | } | |
350 | } | |
351 | /* Function Name: YesNoQuitQuestion | |
352 | * Description: This prompts the user for the answer to a yes-no or | |
353 | * true-false question, with a quit option. | |
354 | * Arguments: prompt - the prompt for the user. | |
355 | * bool_def - the default value either TRUE or FALSE. | |
356 | * Returns: TRUE or FALSE or -1 on error or QUIT | |
357 | * NOTE: It is not possible to have quit the default, but then I don't | |
358 | * seem to need this functionality. | |
359 | */ | |
360 | ||
361 | Bool | |
461c03b6 | 362 | YesNoQuitQuestion(prompt, bool_def) |
08345b74 | 363 | char *prompt; |
364 | int bool_def; | |
365 | { | |
3c1a8806 | 366 | char ans[2]; |
08345b74 | 367 | |
368 | while (TRUE) { | |
3c1a8806 | 369 | if (!PromptWithDefault(prompt, ans, 2, bool_def ? "y" : "n")) |
08345b74 | 370 | return(-1); |
3c1a8806 | 371 | switch (ans[0]) { |
08345b74 | 372 | case 'n': |
373 | case 'N': | |
374 | return(FALSE); | |
08345b74 | 375 | case 'y': |
376 | case 'Y': | |
377 | return(TRUE); | |
08345b74 | 378 | case 'q': |
379 | case 'Q': | |
380 | return(-1); | |
08345b74 | 381 | default: |
382 | Put_message("Please answer 'y', 'n' or 'q'."); | |
383 | break; | |
384 | } | |
385 | } | |
386 | } | |
387 | ||
388 | /* Function Name: Confirm | |
389 | * Description: This function asks the user to confirm the action | |
390 | * he is about to take, used for things like deleting. | |
391 | * Arguments: prompt - the prompt string. | |
392 | * Returns: TRUE/FALSE - wether or not the confirmation occured. | |
393 | */ | |
394 | ||
0a2c64cb | 395 | Bool |
08345b74 | 396 | Confirm(prompt) |
397 | char * prompt; | |
398 | { | |
0a2c64cb | 399 | return( !verbose || (YesNoQuestion(prompt,FALSE) == TRUE) ); |
08345b74 | 400 | } |
401 | ||
402 | /* Function Name: ValidName | |
403 | * Description: This function checks to see if we have a valid list name. | |
404 | * Arguments: s - the list name. | |
405 | * Returns: TRUE if Valid. | |
406 | */ | |
407 | ||
408 | Bool | |
409 | ValidName(s) | |
0a2c64cb | 410 | char *s; |
08345b74 | 411 | { |
412 | if (IS_EMPTY(s)) | |
413 | Put_message("Please use a non-empty name."); | |
f071d8a7 | 414 | else if (strchr(s, ' ')) |
08345b74 | 415 | Put_message("You cannot use space (' ') in this name."); |
f071d8a7 | 416 | else if (strchr(s, '*') || strchr(s, '?') || strchr(s, '[')) |
402461ad | 417 | Put_message("Wildcards not accepted here."); |
08345b74 | 418 | else |
419 | return TRUE; | |
420 | return FALSE; | |
421 | } | |
422 | ||
423 | /* Function Name: ToggleVerboseMode | |
424 | * Description: This function toggles the verbose mode. | |
425 | * Arguments: none | |
426 | * Returns: DM_NORMAL. | |
427 | */ | |
428 | ||
429 | int | |
430 | ToggleVerboseMode() | |
431 | { | |
432 | ||
85ca828a | 433 | verbose = !verbose; |
08345b74 | 434 | |
461c03b6 | 435 | if (verbose) |
436 | Put_message("Delete functions will first confirm\n"); | |
437 | else | |
438 | Put_message("Delete functions will be silent\n"); | |
439 | ||
08345b74 | 440 | return(DM_NORMAL); |
441 | } | |
442 | ||
443 | /* Function Name: NullFunc | |
444 | * Description: dummy callback routine | |
445 | * Arguments: none | |
8defc06b | 446 | * Returns: MR_CONT |
08345b74 | 447 | */ |
448 | ||
449 | int | |
450 | NullFunc() | |
451 | { | |
8defc06b | 452 | return(MR_CONT); |
08345b74 | 453 | } |
454 | ||
455 | /* Function Name: SlipInNewName | |
456 | * Description: Slips the new name into the number 2 slot of a list, and | |
457 | * returns a pointer to the new list. | |
458 | * Arguments: info - list that needs this name slipped into it. | |
459 | * name - the name to slip into the list. | |
460 | * Returns: a pointer to the new list. | |
85ca828a | 461 | * NOTE: This screws up the numbers of the elements of the array in a |
08345b74 | 462 | * big way. |
463 | */ | |
464 | ||
0a2c64cb | 465 | void |
461c03b6 | 466 | SlipInNewName(info, name) |
08345b74 | 467 | char ** info; |
08345b74 | 468 | char * name; |
469 | { | |
470 | register int i; | |
471 | ||
472 | /* This also pushes the NULL down. */ | |
af7df632 | 473 | for (i = CountArgs(info); i > 0; i--) { |
474 | info[i+1] = info[i]; | |
08345b74 | 475 | } |
85ca828a | 476 | info[1] = name; /* now slip in the name. */ |
08345b74 | 477 | } |
478 | ||
08345b74 | 479 | /* Function Name: GetValueFromUser |
480 | * Description: This function gets a value from a user for the field | |
481 | * specified. | |
482 | * Arguments: prompt - prompt for user. | |
483 | * pointer - pointer to default value, will be returned | |
484 | * as new value. | |
075fe5bb | 485 | * Returns: SUB_ERROR if break hit (^C). |
08345b74 | 486 | */ |
487 | ||
075fe5bb | 488 | int |
08345b74 | 489 | GetValueFromUser(prompt, pointer) |
461c03b6 | 490 | char * prompt, ** pointer; |
08345b74 | 491 | { |
492 | char buf[BUFSIZ]; | |
493 | ||
1feef067 | 494 | if (PromptWithDefault(prompt, buf, BUFSIZ, *pointer) == 0) |
0a2c64cb | 495 | return(SUB_ERROR); |
075fe5bb | 496 | |
0a2c64cb | 497 | /* |
498 | * If these are the same then there is no need to allocate a new string. | |
499 | * | |
500 | * a difference that makes no difference, IS no difference. | |
501 | */ | |
502 | ||
ef889832 | 503 | if (*pointer != NULL) { |
504 | if (strcmp(buf, *pointer) != 0) { | |
0a2c64cb | 505 | free(*pointer); |
ef889832 | 506 | *pointer = Strsave(buf); |
507 | } | |
0a2c64cb | 508 | } |
509 | return(SUB_NORMAL); | |
075fe5bb | 510 | } |
511 | ||
512 | /* Function Name: GetYesNoValueFromUser | |
513 | * Description: This function gets a value from a user for the field | |
514 | * specified. | |
515 | * Arguments: prompt - prompt for user. | |
516 | * pointer - pointer to default value, will be returned | |
517 | * as new value. | |
518 | * Returns: SUB_ERROR if break hit (^C). | |
519 | */ | |
520 | ||
521 | int | |
522 | GetYesNoValueFromUser(prompt, pointer) | |
523 | char * prompt, ** pointer; | |
524 | { | |
525 | char user_prompt[BUFSIZ]; | |
526 | Bool default_val; | |
527 | ||
528 | if ( strcmp (*pointer, DEFAULT_YES) == 0 ) | |
529 | default_val = TRUE; | |
530 | else | |
531 | default_val = FALSE; | |
532 | ||
533 | sprintf(user_prompt, "%s (y/n)", prompt); | |
534 | ||
535 | switch (YesNoQuestion(user_prompt, default_val)) { | |
536 | case TRUE: | |
537 | if (*pointer != NULL) | |
538 | free(*pointer); | |
0a2c64cb | 539 | *pointer = Strsave(DEFAULT_YES); |
075fe5bb | 540 | break; |
541 | case FALSE: | |
542 | if (*pointer != NULL) | |
543 | free(*pointer); | |
0a2c64cb | 544 | *pointer = Strsave(DEFAULT_NO); |
075fe5bb | 545 | break; |
546 | case -1: | |
547 | default: | |
0a2c64cb | 548 | return(SUB_ERROR); |
075fe5bb | 549 | } |
0a2c64cb | 550 | return(SUB_NORMAL); |
075fe5bb | 551 | } |
552 | ||
553 | /* Function Name: GetFSVal | |
554 | * Description: asks about a specific filesystem value. | |
555 | * Arguments: name - string for this type of filesystem. | |
556 | * mask - mask for this type of filesystem. | |
557 | * current - current filesystem state. (for defaults). | |
558 | * new - new filesystem state. | |
559 | * Returns: TRUE if successful. | |
560 | */ | |
561 | ||
562 | static Bool | |
563 | GetFSVal(name, mask, current, new) | |
564 | char * name; | |
565 | int mask, current, *new; | |
566 | { | |
567 | char temp_buf[BUFSIZ]; | |
568 | sprintf(temp_buf, "Is this a %s filsystem", name); | |
569 | switch (YesNoQuestion(temp_buf, ( (mask & current) == mask) )) { | |
570 | case TRUE: | |
571 | *new |= mask; | |
572 | break; | |
573 | case FALSE: | |
574 | break; /* zero by default. */ | |
575 | default: | |
576 | return(FALSE); | |
577 | } | |
578 | return(TRUE); | |
579 | } | |
580 | ||
581 | /* Function Name: GetFSTypes | |
582 | * Description: Allows user to specify filsystem types. | |
583 | * Arguments: current - current value of filsystem, freed here. | |
584 | * Returns: SUB_ERROR on ^C. | |
585 | */ | |
586 | ||
587 | int | |
1feef067 | 588 | GetFSTypes(current, options) |
075fe5bb | 589 | char ** current; |
1feef067 | 590 | int options; |
075fe5bb | 591 | { |
592 | int c_value, new_val = 0; /* current value of filesys type (int). */ | |
593 | char ret_value[BUFSIZ]; | |
594 | ||
595 | if (*current == NULL) | |
596 | c_value = 0; | |
597 | else | |
598 | c_value = atoi(*current); | |
599 | ||
8defc06b | 600 | if (GetFSVal("student", MR_FS_STUDENT, c_value, &new_val) == FALSE) |
075fe5bb | 601 | return(SUB_ERROR); |
8defc06b | 602 | if (GetFSVal("faculty", MR_FS_FACULTY, c_value, &new_val) == FALSE) |
075fe5bb | 603 | return(SUB_ERROR); |
8defc06b | 604 | if (GetFSVal("staff", MR_FS_STAFF, c_value, &new_val) == FALSE) |
075fe5bb | 605 | return(SUB_ERROR); |
8defc06b | 606 | if (GetFSVal("miscellaneous", MR_FS_MISC, c_value, &new_val) == FALSE) |
075fe5bb | 607 | return(SUB_ERROR); |
1feef067 | 608 | if (options) { |
609 | if (GetFSVal("Group Quotas", MR_FS_GROUPQUOTA, c_value, &new_val) == | |
610 | FALSE) | |
611 | return(SUB_ERROR); | |
612 | } | |
075fe5bb | 613 | |
614 | FreeAndClear(current, TRUE); | |
615 | sprintf(ret_value, "%d", new_val); | |
616 | *current = Strsave(ret_value); | |
617 | return(SUB_NORMAL); | |
08345b74 | 618 | } |
619 | ||
08345b74 | 620 | /* Function Name: Strsave |
621 | * Description: save a string. | |
622 | * Arguments: string - the string to save. | |
623 | * Returns: The malloced string, now safely saved, or NULL. | |
624 | */ | |
625 | ||
626 | char * | |
627 | Strsave(str) | |
628 | char *str; | |
629 | { | |
630 | register char *newstr = malloc((unsigned) strlen(str) + 1); | |
631 | ||
632 | if (newstr == (char *) NULL) | |
633 | return ((char *) NULL); | |
634 | else | |
635 | return (strcpy(newstr, str)); | |
636 | } | |
637 | ||
3ceae461 | 638 | |
639 | /* atot: convert ASCII integer unix time into human readable date string */ | |
640 | ||
641 | char *atot(itime) | |
642 | char *itime; | |
643 | { | |
644 | int time; | |
645 | char *ct, *ctime(); | |
646 | ||
647 | time = atoi(itime); | |
648 | ct = ctime(&time); | |
649 | ct[24] = 0; | |
650 | return(&ct[4]); | |
651 | } | |
652 | ||
653 | ||
08345b74 | 654 | /* Function Name: Print |
655 | * Description: prints out all the arguments on a single line. | |
8defc06b | 656 | * Arguments: argc, argv - the standard MR arguments. |
08345b74 | 657 | * callback - the callback function - NOT USED. |
8defc06b | 658 | * Returns: MR_CONT |
08345b74 | 659 | */ |
660 | ||
661 | /* ARGSUSED */ | |
662 | int | |
663 | Print(argc, argv, callback) | |
664 | int argc; | |
665 | char **argv, *callback; | |
666 | { | |
667 | char buf[BUFSIZ]; | |
461c03b6 | 668 | register int i; |
08345b74 | 669 | |
670 | found_some = TRUE; | |
671 | (void) strcpy(buf,argv[0]); /* no newline 'cause Put_message adds one */ | |
672 | for (i = 1; i < argc; i++) | |
673 | (void) sprintf(buf,"%s %s",buf,argv[i]); | |
674 | (void) Put_message(buf); | |
675 | ||
8defc06b | 676 | return (MR_CONT); |
08345b74 | 677 | } |
678 | ||
679 | /* Function Name: PrintByType | |
680 | * Description: This function prints all members of the type specified | |
681 | * by the callback arg, unless the callback is NULL, in which | |
682 | * case it prints all members. | |
8defc06b | 683 | * Arguments: argc, argc - normal arguments for mr_callback function. |
08345b74 | 684 | * callback - either a type of member or NULL. |
8defc06b | 685 | * Returns: MR_CONT or MR_QUIT. |
08345b74 | 686 | */ |
687 | ||
688 | /*ARGSUSED*/ | |
689 | int | |
690 | PrintByType(argc, argv, callback) | |
691 | int argc; | |
692 | char **argv, *callback; | |
693 | { | |
694 | if (callback == NULL) | |
695 | return( Print(argc, argv, callback) ); | |
696 | if (strcmp(argv[0], callback) == 0) | |
0a2c64cb | 697 | return( Print(argc, argv, callback) ); |
8defc06b | 698 | return(MR_CONT); |
08345b74 | 699 | } |
700 | ||
701 | /* Function Name: PrintHelp | |
702 | * Description: Prints Help Information in a NULL terminated | |
703 | * char **. | |
704 | * Arguments: message. | |
705 | * Returns: DM_NORMAL. | |
706 | */ | |
707 | ||
708 | int | |
461c03b6 | 709 | PrintHelp(message) |
08345b74 | 710 | char ** message; |
711 | { | |
a9517c80 | 712 | register int i; |
713 | ||
714 | for (i = 0; i < CountArgs(message); i++) | |
715 | Put_message(message[i]); | |
716 | ||
08345b74 | 717 | return(DM_NORMAL); |
718 | } | |
719 | ||
402461ad | 720 | /* Function Name: Loop |
721 | * Description: This function goes through the entire queue, and | |
722 | * and executes the given function on each element. | |
723 | * Arguments: elem - top element of the queue. | |
724 | * func - the function to execute. | |
725 | * Returns: none. | |
726 | */ | |
727 | ||
728 | void | |
729 | Loop(elem, func) | |
730 | FVoid func; | |
731 | struct qelem * elem; | |
732 | { | |
733 | while (elem != NULL) { | |
734 | char ** info = (char **) elem->q_data; | |
735 | (*func) (info); | |
736 | elem = elem->q_forw; | |
737 | } | |
738 | } | |
739 | ||
740 | ||
741 | /* Function Name: QueryLoop | |
742 | * Description: This functions loops through a queue containing | |
743 | * information about some item that we want to perform | |
744 | * an operation on, and then calls the correct routine | |
745 | * perform that operation. | |
746 | * Arguments: top - top of the queue of information. | |
747 | * print_func - print function. | |
748 | * op_function - operation to be performed. | |
749 | * query_string - string the prompts the user whether or not | |
750 | * to perform this operation. | |
751 | * Returns: none. | |
752 | * NOTES: | |
753 | * print_opt - should expect one arguent, the info array | |
754 | * of char *'s. | |
755 | * is expected to return the name of the item. | |
756 | * op_func - should expect two arguments. | |
757 | * 1) the info array of char *'s. | |
758 | * 2) a boolean the is true if there only | |
759 | * one item in this queue, used for delete | |
760 | * confirmation. | |
761 | * query_string - this should be of such a form that when the | |
762 | * name of the object and '(y/n/q) ?' are appended | |
763 | * then it should still make sense, an example is | |
764 | * "Delete the list" | |
765 | */ | |
766 | ||
767 | void | |
768 | QueryLoop(elem, print_func, op_func, query_string) | |
769 | struct qelem *elem; | |
770 | FVoid op_func; | |
771 | FCharStar print_func; | |
772 | char * query_string; | |
773 | { | |
774 | Bool one_item; | |
775 | char temp_buf[BUFSIZ], *name; | |
776 | ||
fd18d8ea | 777 | elem = QueueTop(elem); |
402461ad | 778 | one_item = (QueueCount(elem) == 1); |
779 | while (elem != NULL) { | |
780 | char **info = (char **) elem->q_data; | |
781 | ||
782 | if (one_item) | |
783 | (*op_func) (info, one_item); | |
784 | else { | |
785 | name = (*print_func) (info); /* call print function. */ | |
0a2c64cb | 786 | sprintf(temp_buf,"%s %s (y/n/q)", query_string, name); |
402461ad | 787 | switch(YesNoQuitQuestion(temp_buf, FALSE)) { |
788 | case TRUE: | |
789 | (*op_func) (info, one_item); | |
790 | break; | |
791 | case FALSE: | |
792 | break; | |
793 | default: /* Quit. */ | |
794 | Put_message("Aborting..."); | |
795 | return; | |
796 | } | |
797 | } | |
798 | elem = elem->q_forw; | |
799 | } | |
800 | } | |
801 | ||
802 | /* Function Name: NullPrint | |
803 | * Description: print function that returns nothing. | |
804 | * Arguments: info - a pointer to the info array - Not used. | |
805 | * Returns: none. | |
806 | */ | |
807 | ||
808 | char * | |
809 | NullPrint(info) | |
810 | char ** info; | |
811 | { | |
812 | return(info[NAME]); | |
813 | } | |
814 | ||
6769d5bc | 815 | |
816 | /* Function Name: GetTypeValues | |
817 | * Description: gets legal values for a typed object, keeping a cache | |
818 | * Arguments: type name | |
819 | * Returns: argv of values | |
820 | */ | |
821 | ||
822 | struct qelem * | |
823 | GetTypeValues(tname) | |
824 | char *tname; | |
825 | { | |
826 | int stat; | |
827 | char *argv[3], *p, **pp, *strsave(); | |
828 | struct qelem *elem, *oelem; | |
829 | static struct qelem *cache = NULL; | |
830 | struct cache_elem { char *cache_name; struct qelem *cache_data; } *ce; | |
831 | ||
832 | for (elem = cache; elem; elem = elem->q_forw) { | |
833 | ce = (struct cache_elem *)elem->q_data; | |
834 | if (!strcmp(ce->cache_name, tname)) | |
835 | return(ce->cache_data); | |
836 | } | |
837 | ||
838 | argv[0] = tname; | |
839 | argv[1] = "TYPE"; | |
840 | argv[2] = "*"; | |
841 | elem = NULL; | |
8defc06b | 842 | if (stat = do_mr_query("get_alias", 3, argv, StoreInfo, (char *)&elem)) { |
6769d5bc | 843 | com_err(program_name, stat, " in GetTypeValues"); |
844 | return(NULL); | |
845 | } | |
846 | oelem = elem; | |
847 | for (elem = QueueTop(elem); elem; elem = elem->q_forw) { | |
848 | pp = (char **) elem->q_data; | |
849 | p = strsave(pp[2]); | |
850 | FreeInfo(pp); | |
851 | elem->q_data = p; | |
852 | } | |
853 | elem = (struct qelem *) malloc(sizeof(struct qelem)); | |
854 | ce = (struct cache_elem *) malloc(sizeof(struct cache_elem)); | |
d1641b6c | 855 | ce->cache_name = strsave(tname); |
6769d5bc | 856 | ce->cache_data = QueueTop(oelem); |
857 | elem->q_data = (char *)ce; | |
858 | AddQueue(elem, cache); | |
859 | cache = QueueTop(elem); | |
860 | return(ce->cache_data); | |
861 | } | |
862 | ||
863 | ||
864 | /* Function Name: GetTypeFromUser | |
865 | * Description: gets a typed value from the user | |
866 | * Arguments: prompt string, type name, buffer pointer | |
245b2337 | 867 | * Returns: SUB_ERROR if ^C, SUB_NORMAL otherwise |
6769d5bc | 868 | */ |
869 | ||
245b2337 | 870 | int GetTypeFromUser(prompt, tname, pointer) |
6769d5bc | 871 | char *prompt; |
872 | char *tname; | |
873 | char **pointer; | |
874 | { | |
875 | char def[BUFSIZ], buffer[BUFSIZ], *p, *argv[3]; | |
876 | struct qelem *elem; | |
877 | int stat; | |
878 | ||
879 | strcpy(def, *pointer); | |
880 | strcpy(buffer, prompt); | |
881 | strcat(buffer, " ("); | |
882 | for (elem = GetTypeValues(tname); elem; elem = elem->q_forw) { | |
883 | strcat(buffer, elem->q_data); | |
884 | if (elem->q_forw) | |
885 | strcat(buffer, ", "); | |
886 | } | |
887 | strcat(buffer, ")"); | |
888 | if (strlen(buffer) > 64) | |
889 | sprintf(buffer, "%s (? for help)", prompt); | |
245b2337 | 890 | if (GetValueFromUser(buffer, pointer) == SUB_ERROR) |
891 | return(SUB_ERROR); | |
6769d5bc | 892 | if (**pointer == '?') { |
893 | sprintf(buffer, "Type %s is one of:", tname); | |
894 | Put_message(buffer); | |
895 | for (elem = GetTypeValues(tname); elem; elem = elem->q_forw) { | |
896 | Put_message(elem->q_data); | |
897 | } | |
898 | *pointer = strsave(def); | |
899 | return(GetTypeFromUser(prompt, tname, pointer)); | |
900 | } | |
901 | for (elem = GetTypeValues(tname); elem; elem = elem->q_forw) { | |
7665ed7a | 902 | if (!strcasecmp(elem->q_data, *pointer)) { |
1feef067 | 903 | strcpy(*pointer, elem->q_data); |
6769d5bc | 904 | return(SUB_NORMAL); |
1feef067 | 905 | } |
6769d5bc | 906 | } |
907 | sprintf(buffer, "\"%s\" is not a legal value for %s. Use one of:", | |
908 | *pointer, tname); | |
909 | Put_message(buffer); | |
910 | for (elem = GetTypeValues(tname); elem; elem = elem->q_forw) { | |
911 | Put_message(elem->q_data); | |
912 | } | |
913 | sprintf(buffer, "Are you sure you want \"%s\" to be a legal %s", | |
914 | *pointer, tname); | |
245b2337 | 915 | if (YesNoQuestion("Do you want this to be a new legal value", 0) == TRUE && |
916 | YesNoQuestion(buffer, 0) == TRUE) { | |
6769d5bc | 917 | argv[0] = tname; |
918 | argv[1] = "TYPE"; | |
919 | argv[2] = *pointer; | |
d1641b6c | 920 | /* don't uppercase access flags. Do uppercase everything else */ |
921 | if (strncmp(tname, "fs_access", 9)) | |
922 | for (p = argv[2]; *p; p++) | |
6769d5bc | 923 | if (islower(*p)) |
d1641b6c | 924 | *p = toupper(*p); |
8defc06b | 925 | if (stat = do_mr_query("add_alias", 3, argv, Scream, NULL)) { |
6769d5bc | 926 | com_err(program_name, stat, " in add_alias"); |
927 | } else { | |
928 | elem = (struct qelem *) malloc(sizeof(struct qelem)); | |
929 | elem->q_data = strsave(*pointer); | |
930 | AddQueue(elem, GetTypeValues(tname)); | |
931 | Put_message("Done."); | |
932 | } | |
933 | } | |
934 | *pointer = strsave(def); | |
935 | return(GetTypeFromUser(prompt, tname, pointer)); | |
936 | } | |
937 | ||
938 | ||
ccce9c6a | 939 | /* Function Name: GetAddressFromUser |
940 | * Description: gets an IP address from the user | |
941 | * Arguments: prompt string, buffer pointer | |
942 | * buffer contains default value as long int | |
943 | * Returns: SUB_ERROR if ^C, SUB_NORMAL otherwise | |
944 | */ | |
945 | ||
946 | int GetAddressFromUser(prompt, pointer) | |
947 | char *prompt; | |
948 | char **pointer; | |
949 | { | |
950 | char *value, buf[256]; | |
951 | struct in_addr addr; | |
952 | int ret; | |
953 | ||
954 | addr.s_addr = htonl(atoi(*pointer)); | |
955 | value = strsave(inet_ntoa(addr)); | |
956 | ret = GetValueFromUser(prompt, &value); | |
957 | if (ret == SUB_ERROR) return(SUB_ERROR); | |
958 | addr.s_addr = inet_addr(value); | |
959 | free(pointer); | |
960 | sprintf(buf, "%d", ntohl(addr.s_addr)); | |
961 | *pointer = strsave(buf); | |
962 | return(SUB_NORMAL); | |
963 | } | |
964 | ||
965 | ||
8defc06b | 966 | do_mr_query(name, argc, argv, proc, hint) |
198d5016 | 967 | char *name; |
968 | int argc; | |
969 | char **argv; | |
970 | int (*proc)(); | |
971 | char *hint; | |
972 | { | |
973 | int status; | |
25ce6f7d | 974 | extern char *whoami, *moira_server; |
198d5016 | 975 | |
d32f483b | 976 | refresh_screen(); |
8defc06b | 977 | status = mr_query(name, argc, argv, proc, hint); |
978 | if (status != MR_ABORTED && status != MR_NOT_CONNECTED) | |
198d5016 | 979 | return(status); |
8defc06b | 980 | status = mr_connect(moira_server); |
198d5016 | 981 | if (status) { |
95cd286e | 982 | com_err(whoami, status, " while re-connecting to server %s", |
983 | moira_server); | |
8defc06b | 984 | return(MR_ABORTED); |
198d5016 | 985 | } |
8defc06b | 986 | status = mr_auth(whoami); |
198d5016 | 987 | if (status) { |
95cd286e | 988 | com_err(whoami, status, " while re-authenticating to server %s", |
989 | moira_server); | |
8defc06b | 990 | mr_disconnect(); |
991 | return(MR_ABORTED); | |
198d5016 | 992 | } |
8defc06b | 993 | status = mr_query(name, argc, argv, proc, hint); |
198d5016 | 994 | return(status); |
995 | } | |
996 |