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7ac48069 | 1 | /* $Id $ |
2 | * | |
3 | * This is the file utils.c for the Moira Client, which allows users | |
59ec8dae | 4 | * to quickly and easily maintain most parts of the Moira database. |
0a2c64cb | 5 | * It Contains: Many useful utility functions. |
5eaef520 | 6 | * |
08345b74 | 7 | * Created: 4/25/88 |
8 | * By: Chris D. Peterson | |
9 | * | |
7ac48069 | 10 | * Copyright (C) 1988-1998 by the Massachusetts Institute of Technology. |
11 | * For copying and distribution information, please see the file | |
12 | * <mit-copyright.h>. | |
08345b74 | 13 | */ |
14 | ||
7ac48069 | 15 | #include <mit-copyright.h> |
8defc06b | 16 | #include <moira.h> |
17 | #include <moira_site.h> | |
0a2c64cb | 18 | #include "defs.h" |
19 | #include "f_defs.h" | |
08345b74 | 20 | #include "globals.h" |
7ac48069 | 21 | |
ccce9c6a | 22 | #include <netinet/in.h> |
7798ebc3 | 23 | #include <arpa/inet.h> |
7ac48069 | 24 | #include <netdb.h> /* for gethostbyname. */ |
25 | ||
26 | #include <ctype.h> | |
27 | #include <stdio.h> | |
28 | #include <stdlib.h> | |
29 | #include <string.h> | |
30 | #include <time.h> | |
ccce9c6a | 31 | |
7ac48069 | 32 | RCSID("$Header$"); |
08345b74 | 33 | |
0a2c64cb | 34 | /* Function Name: AddQueue |
35 | * Description: Adds an element to a queue | |
36 | * Arguments: elem, pred - element and its predecessor. | |
37 | * Returns: none. | |
38 | */ | |
39 | ||
5eaef520 | 40 | static void AddQueue(struct qelem *elem, struct qelem *pred) |
0a2c64cb | 41 | { |
5eaef520 | 42 | if (!pred) |
43 | { | |
44 | elem->q_forw = NULL; | |
45 | elem->q_back = NULL; | |
46 | return; | |
0a2c64cb | 47 | } |
5eaef520 | 48 | elem->q_back = pred; |
49 | elem->q_forw = pred->q_forw; | |
50 | pred->q_forw = elem; | |
0a2c64cb | 51 | } |
52 | ||
53 | /* Function Name: RemoveQueue | |
54 | * Description: removes an element from a queue. | |
55 | * Arguments: elem. | |
56 | * Returns: none. | |
57 | */ | |
58 | ||
5eaef520 | 59 | static void RemoveQueue(struct qelem *elem) |
0a2c64cb | 60 | { |
5eaef520 | 61 | if (elem->q_forw) |
62 | elem->q_forw->q_back = elem->q_back; | |
63 | if (elem->q_back) | |
64 | elem->q_back->q_forw = elem->q_forw; | |
0a2c64cb | 65 | } |
66 | ||
70ea6aa8 | 67 | |
5eaef520 | 68 | /* CopyInfo: allocates memory for a copy of a NULL terminated array of |
70ea6aa8 | 69 | * strings <and returns a pointer to the copy. |
70 | */ | |
71 | ||
5eaef520 | 72 | char **CopyInfo(char **info) |
70ea6aa8 | 73 | { |
5eaef520 | 74 | char **ret; |
75 | int i; | |
70ea6aa8 | 76 | |
5eaef520 | 77 | ret = malloc(sizeof(char *) * (CountArgs(info) + 1)); |
78 | if (!ret) | |
79 | return ret; | |
80 | for (i = 0; info[i]; i++) | |
7ac48069 | 81 | ret[i] = strdup(info[i]); |
5eaef520 | 82 | ret[i] = NULL; |
83 | return ret; | |
70ea6aa8 | 84 | } |
85 | ||
86 | ||
08345b74 | 87 | /* Function Name: FreeInfo |
88 | * Description: Frees all elements of a NULL terminated arrary of char*'s | |
89 | * Arguments: info - array who's elements we are to free. | |
90 | * Returns: none. | |
91 | */ | |
92 | ||
5eaef520 | 93 | void FreeInfo(char **info) |
08345b74 | 94 | { |
5eaef520 | 95 | while (*info) |
96 | FreeAndClear(info++, TRUE); | |
08345b74 | 97 | } |
98 | ||
461c03b6 | 99 | /* Function Name: FreeAndClear - I couldn't resist the name. |
100 | * Description: Clears pointer and optionially frees it. | |
101 | * Arguments: pointer - pointer to work with. | |
102 | * free_it - if TRUE then free pointer. | |
103 | * Returns: none. | |
104 | */ | |
105 | ||
5eaef520 | 106 | void FreeAndClear(char **pointer, Bool free_it) |
461c03b6 | 107 | { |
5eaef520 | 108 | if (!*pointer) |
109 | return; | |
110 | else if (free_it) | |
111 | free(*pointer); | |
112 | *pointer = NULL; | |
461c03b6 | 113 | } |
114 | ||
115 | /* Function Name: QueueTop | |
116 | * Description: returns a qelem pointer that points to the top of | |
117 | * a queue. | |
118 | * Arguments: elem - any element of a queue. | |
119 | * Returns: top element of a queue. | |
120 | */ | |
5eaef520 | 121 | |
122 | struct qelem *QueueTop(struct qelem *elem) | |
461c03b6 | 123 | { |
5eaef520 | 124 | if (!elem) /* NULL returns NULL. */ |
125 | return NULL; | |
126 | while (elem->q_back) | |
127 | elem = elem->q_back; | |
128 | return elem; | |
461c03b6 | 129 | } |
130 | ||
08345b74 | 131 | /* Function Name: FreeQueueElem |
132 | * Description: Frees one element of the queue. | |
133 | * Arguments: elem - the elem to free. | |
134 | * Returns: none | |
135 | */ | |
136 | ||
5eaef520 | 137 | static void FreeQueueElem(struct qelem *elem) |
08345b74 | 138 | { |
7ac48069 | 139 | char **info = elem->q_data; |
461c03b6 | 140 | |
5eaef520 | 141 | if (info) |
142 | { | |
143 | FreeInfo(info); /* free info fields */ | |
144 | free(elem->q_data); /* free info array itself. */ | |
08345b74 | 145 | } |
5eaef520 | 146 | RemoveQueue(elem); /* remove this element from the queue */ |
147 | free(elem); /* free its space. */ | |
08345b74 | 148 | } |
149 | ||
150 | /* Function Name: FreeQueue | |
151 | * Description: Cleans up the queue | |
152 | * Arguments: elem - any element of the queue. | |
153 | * Returns: none. | |
154 | */ | |
155 | ||
5eaef520 | 156 | void FreeQueue(struct qelem *elem) |
08345b74 | 157 | { |
5eaef520 | 158 | struct qelem *temp, *local = QueueTop(elem); |
08345b74 | 159 | |
5eaef520 | 160 | while (local) |
161 | { | |
162 | temp = local->q_forw; | |
163 | FreeQueueElem(local); | |
164 | local = temp; | |
08345b74 | 165 | } |
166 | } | |
167 | ||
168 | /* Function Name: QueueCount | |
169 | * Description: Counts the number of elements in a queue | |
170 | * Arguments: elem - any element in the queue. | |
171 | * Returns: none. | |
172 | */ | |
173 | ||
5eaef520 | 174 | int QueueCount(struct qelem *elem) |
08345b74 | 175 | { |
5eaef520 | 176 | int count = 0; |
177 | elem = QueueTop(elem); | |
178 | while (elem) | |
179 | { | |
180 | count++; | |
181 | elem = elem->q_forw; | |
08345b74 | 182 | } |
5eaef520 | 183 | return count; |
08345b74 | 184 | } |
185 | ||
0a2c64cb | 186 | /* Function Name: StoreInfo |
59ec8dae | 187 | * Description: Stores information from a moira query into a queue. |
0a2c64cb | 188 | * Arguments: argc, argv, - information returned from the query returned |
189 | * in argv. | |
190 | * data - the previous element on the queue, this data will be | |
191 | * stored in a qelem struct immediatly after this elem. | |
192 | * If NULL then a new queue will be created. This value | |
193 | * is updated to the current element at the end off the | |
194 | * call. | |
8defc06b | 195 | * Returns: MR_CONT, or MR_ABORT if it has problems. |
0a2c64cb | 196 | */ |
197 | ||
7ac48069 | 198 | int StoreInfo(int argc, char **argv, void *data) |
08345b74 | 199 | { |
5eaef520 | 200 | char **info = malloc(MAX_ARGS_SIZE * sizeof(char *)); |
7ac48069 | 201 | struct qelem **old_elem = data; |
5eaef520 | 202 | struct qelem *new_elem = malloc(sizeof(struct qelem)); |
203 | int count; | |
08345b74 | 204 | |
5eaef520 | 205 | if (!new_elem || !info) |
206 | { | |
207 | Put_message("Could Not allocate more memory."); | |
208 | FreeQueue(*old_elem); | |
209 | *old_elem = NULL; | |
210 | return MR_ABORT; | |
402461ad | 211 | } |
212 | ||
5eaef520 | 213 | for (count = 0; count < argc; count++) |
7ac48069 | 214 | info[count] = strdup(argv[count]); |
5eaef520 | 215 | info[count] = NULL; /* NULL terminate this sucker. */ |
08345b74 | 216 | |
7ac48069 | 217 | new_elem->q_data = info; |
5eaef520 | 218 | AddQueue(new_elem, *old_elem); |
08345b74 | 219 | |
5eaef520 | 220 | *old_elem = new_elem; |
221 | return MR_CONT; | |
08345b74 | 222 | } |
223 | ||
224 | /* Function Name: CountArgs | |
225 | * Description: Retrieve the number of args in a null terminated | |
226 | * arglist. | |
227 | * Arguments: info - the argument list. | |
228 | * Returns: number if args in the list. | |
229 | */ | |
230 | ||
5eaef520 | 231 | int CountArgs(char **info) |
08345b74 | 232 | { |
5eaef520 | 233 | int number = 0; |
234 | ||
235 | while (*info) | |
236 | { | |
237 | number++; | |
238 | info++; | |
461c03b6 | 239 | } |
08345b74 | 240 | |
5eaef520 | 241 | return number; |
242 | } | |
08345b74 | 243 | |
08345b74 | 244 | /* Function Name: PromptWithDefault |
5eaef520 | 245 | * Description: allows a user to be prompted for input, and given a |
08345b74 | 246 | * default choice. |
247 | * Arguments: prompt - the prompt string. | |
248 | * buf, buflen - buffer to be returned and its MAX size? | |
249 | * default value for the answer. | |
1feef067 | 250 | * Returns: zero on failure |
08345b74 | 251 | */ |
252 | ||
5eaef520 | 253 | int PromptWithDefault(char *prompt, char *buf, int buflen, char *def) |
08345b74 | 254 | { |
5eaef520 | 255 | char tmp[BUFSIZ]; |
256 | int ans; | |
08345b74 | 257 | |
5eaef520 | 258 | if (parsed_argc > 0) |
259 | { | |
260 | parsed_argc--; | |
261 | strncpy(buf, parsed_argv[0], buflen); | |
262 | sprintf(tmp, "%s: %s", prompt, buf); | |
263 | Put_message(tmp); | |
264 | parsed_argv++; | |
265 | return 1; | |
1feef067 | 266 | } |
267 | ||
5eaef520 | 268 | sprintf(tmp, "%s [%s]: ", prompt, def ? def : ""); |
269 | ans = Prompt_input(tmp, buf, buflen); | |
270 | if (IS_EMPTY(buf)) | |
271 | strcpy(buf, def); | |
272 | else if (!strcmp(buf, "\"\"")) | |
273 | *buf = 0; | |
274 | return ans; | |
08345b74 | 275 | } |
276 | ||
277 | /* Function Name: YesNoQuestion | |
278 | * Description: This prompts the user for the answer to a yes-no or | |
279 | * true-false question. | |
280 | * Arguments: prompt - the prompt for the user. | |
281 | * bool_def - the default value either TRUE or FALSE. | |
282 | * Returns: TRUE or FALSE or -1 on error | |
283 | */ | |
284 | ||
5eaef520 | 285 | Bool YesNoQuestion(char *prompt, int bool_def) |
08345b74 | 286 | { |
5eaef520 | 287 | char ans[2]; |
08345b74 | 288 | |
5eaef520 | 289 | while (TRUE) |
290 | { | |
291 | if (!PromptWithDefault(prompt, ans, 2, bool_def ? "y" : "n")) | |
292 | return -1; | |
293 | switch (ans[0]) | |
294 | { | |
08345b74 | 295 | case 'n': |
296 | case 'N': | |
5eaef520 | 297 | return FALSE; |
08345b74 | 298 | case 'y': |
299 | case 'Y': | |
5eaef520 | 300 | return TRUE; |
08345b74 | 301 | default: |
5eaef520 | 302 | Put_message("Please answer 'y' or 'n'."); |
303 | break; | |
08345b74 | 304 | } |
305 | } | |
306 | } | |
5eaef520 | 307 | |
08345b74 | 308 | /* Function Name: YesNoQuitQuestion |
309 | * Description: This prompts the user for the answer to a yes-no or | |
310 | * true-false question, with a quit option. | |
311 | * Arguments: prompt - the prompt for the user. | |
312 | * bool_def - the default value either TRUE or FALSE. | |
313 | * Returns: TRUE or FALSE or -1 on error or QUIT | |
314 | * NOTE: It is not possible to have quit the default, but then I don't | |
315 | * seem to need this functionality. | |
316 | */ | |
317 | ||
5eaef520 | 318 | Bool YesNoQuitQuestion(char *prompt, int bool_def) |
08345b74 | 319 | { |
5eaef520 | 320 | char ans[2]; |
08345b74 | 321 | |
5eaef520 | 322 | while (TRUE) |
323 | { | |
324 | if (!PromptWithDefault(prompt, ans, 2, bool_def ? "y" : "n")) | |
325 | return -1; | |
326 | switch (ans[0]) | |
327 | { | |
08345b74 | 328 | case 'n': |
329 | case 'N': | |
5eaef520 | 330 | return FALSE; |
08345b74 | 331 | case 'y': |
332 | case 'Y': | |
5eaef520 | 333 | return TRUE; |
08345b74 | 334 | case 'q': |
335 | case 'Q': | |
5eaef520 | 336 | return -1; |
08345b74 | 337 | default: |
5eaef520 | 338 | Put_message("Please answer 'y', 'n' or 'q'."); |
339 | break; | |
08345b74 | 340 | } |
341 | } | |
342 | } | |
343 | ||
344 | /* Function Name: Confirm | |
345 | * Description: This function asks the user to confirm the action | |
346 | * he is about to take, used for things like deleting. | |
347 | * Arguments: prompt - the prompt string. | |
348 | * Returns: TRUE/FALSE - wether or not the confirmation occured. | |
349 | */ | |
350 | ||
5eaef520 | 351 | Bool Confirm(char *prompt) |
08345b74 | 352 | { |
5eaef520 | 353 | return !verbose || (YesNoQuestion(prompt, FALSE) == TRUE); |
08345b74 | 354 | } |
355 | ||
356 | /* Function Name: ValidName | |
357 | * Description: This function checks to see if we have a valid list name. | |
358 | * Arguments: s - the list name. | |
359 | * Returns: TRUE if Valid. | |
360 | */ | |
361 | ||
5eaef520 | 362 | Bool ValidName(char *s) |
08345b74 | 363 | { |
5eaef520 | 364 | if (IS_EMPTY(s)) |
365 | Put_message("Please use a non-empty name."); | |
366 | else if (strchr(s, ' ')) | |
367 | Put_message("You cannot use space (' ') in this name."); | |
368 | else if (strchr(s, '*') || strchr(s, '?')) | |
369 | Put_message("Wildcards not accepted here."); | |
370 | else | |
371 | return TRUE; | |
372 | return FALSE; | |
08345b74 | 373 | } |
374 | ||
375 | /* Function Name: ToggleVerboseMode | |
376 | * Description: This function toggles the verbose mode. | |
377 | * Arguments: none | |
378 | * Returns: DM_NORMAL. | |
379 | */ | |
380 | ||
7ac48069 | 381 | int ToggleVerboseMode(int argc, char **argv) |
08345b74 | 382 | { |
85ca828a | 383 | verbose = !verbose; |
08345b74 | 384 | |
461c03b6 | 385 | if (verbose) |
386 | Put_message("Delete functions will first confirm\n"); | |
387 | else | |
388 | Put_message("Delete functions will be silent\n"); | |
5eaef520 | 389 | |
390 | return DM_NORMAL; | |
08345b74 | 391 | } |
392 | ||
08345b74 | 393 | /* Function Name: SlipInNewName |
394 | * Description: Slips the new name into the number 2 slot of a list, and | |
395 | * returns a pointer to the new list. | |
396 | * Arguments: info - list that needs this name slipped into it. | |
397 | * name - the name to slip into the list. | |
398 | * Returns: a pointer to the new list. | |
85ca828a | 399 | * NOTE: This screws up the numbers of the elements of the array in a |
08345b74 | 400 | * big way. |
401 | */ | |
402 | ||
5eaef520 | 403 | void SlipInNewName(char **info, char *name) |
08345b74 | 404 | { |
44d12d58 | 405 | int i; |
08345b74 | 406 | |
5eaef520 | 407 | /* This also pushes the NULL down. */ |
408 | for (i = CountArgs(info); i > 0; i--) | |
409 | info[i + 1] = info[i]; | |
410 | info[1] = name; /* now slip in the name. */ | |
08345b74 | 411 | } |
412 | ||
08345b74 | 413 | /* Function Name: GetValueFromUser |
414 | * Description: This function gets a value from a user for the field | |
415 | * specified. | |
416 | * Arguments: prompt - prompt for user. | |
417 | * pointer - pointer to default value, will be returned | |
418 | * as new value. | |
075fe5bb | 419 | * Returns: SUB_ERROR if break hit (^C). |
08345b74 | 420 | */ |
421 | ||
5eaef520 | 422 | int GetValueFromUser(char *prompt, char **pointer) |
08345b74 | 423 | { |
5eaef520 | 424 | char buf[BUFSIZ]; |
08345b74 | 425 | |
5eaef520 | 426 | if (PromptWithDefault(prompt, buf, BUFSIZ, *pointer) == 0) |
427 | return SUB_ERROR; | |
075fe5bb | 428 | |
5eaef520 | 429 | /* |
430 | * If these are the same then there is no need to allocate a new string. | |
431 | * | |
432 | * a difference that makes no difference, IS no difference. | |
433 | */ | |
0a2c64cb | 434 | |
5eaef520 | 435 | if (*pointer) |
436 | { | |
437 | if (strcmp(buf, *pointer)) | |
438 | { | |
439 | free(*pointer); | |
7ac48069 | 440 | *pointer = strdup(buf); |
ef889832 | 441 | } |
0a2c64cb | 442 | } |
5eaef520 | 443 | return SUB_NORMAL; |
075fe5bb | 444 | } |
445 | ||
446 | /* Function Name: GetYesNoValueFromUser | |
447 | * Description: This function gets a value from a user for the field | |
448 | * specified. | |
449 | * Arguments: prompt - prompt for user. | |
450 | * pointer - pointer to default value, will be returned | |
451 | * as new value. | |
452 | * Returns: SUB_ERROR if break hit (^C). | |
453 | */ | |
454 | ||
5eaef520 | 455 | int GetYesNoValueFromUser(char *prompt, char **pointer) |
075fe5bb | 456 | { |
5eaef520 | 457 | char user_prompt[BUFSIZ]; |
458 | Bool default_val; | |
459 | ||
460 | if (!strcmp(*pointer, DEFAULT_YES)) | |
461 | default_val = TRUE; | |
462 | else | |
463 | default_val = FALSE; | |
075fe5bb | 464 | |
5eaef520 | 465 | sprintf(user_prompt, "%s (y/n)", prompt); |
075fe5bb | 466 | |
5eaef520 | 467 | switch (YesNoQuestion(user_prompt, default_val)) |
468 | { | |
075fe5bb | 469 | case TRUE: |
5eaef520 | 470 | if (*pointer) |
471 | free(*pointer); | |
7ac48069 | 472 | *pointer = strdup(DEFAULT_YES); |
5eaef520 | 473 | break; |
075fe5bb | 474 | case FALSE: |
5eaef520 | 475 | if (*pointer) |
476 | free(*pointer); | |
7ac48069 | 477 | *pointer = strdup(DEFAULT_NO); |
5eaef520 | 478 | break; |
075fe5bb | 479 | case -1: |
480 | default: | |
5eaef520 | 481 | return SUB_ERROR; |
075fe5bb | 482 | } |
5eaef520 | 483 | return SUB_NORMAL; |
075fe5bb | 484 | } |
485 | ||
486 | /* Function Name: GetFSVal | |
487 | * Description: asks about a specific filesystem value. | |
488 | * Arguments: name - string for this type of filesystem. | |
489 | * mask - mask for this type of filesystem. | |
490 | * current - current filesystem state. (for defaults). | |
491 | * new - new filesystem state. | |
492 | * Returns: TRUE if successful. | |
493 | */ | |
494 | ||
5eaef520 | 495 | static Bool GetFSVal(char *name, int mask, int current, int *new) |
075fe5bb | 496 | { |
5eaef520 | 497 | char temp_buf[BUFSIZ]; |
498 | sprintf(temp_buf, "Is this a %s filsystem", name); | |
499 | switch (YesNoQuestion(temp_buf, ((mask & current) == mask))) | |
500 | { | |
075fe5bb | 501 | case TRUE: |
5eaef520 | 502 | *new |= mask; |
503 | break; | |
075fe5bb | 504 | case FALSE: |
5eaef520 | 505 | break; /* zero by default. */ |
075fe5bb | 506 | default: |
5eaef520 | 507 | return FALSE; |
075fe5bb | 508 | } |
5eaef520 | 509 | return TRUE; |
075fe5bb | 510 | } |
511 | ||
512 | /* Function Name: GetFSTypes | |
513 | * Description: Allows user to specify filsystem types. | |
514 | * Arguments: current - current value of filsystem, freed here. | |
515 | * Returns: SUB_ERROR on ^C. | |
516 | */ | |
517 | ||
5eaef520 | 518 | int GetFSTypes(char **current, int options) |
519 | { | |
520 | int c_value, new_val = 0; /* current value of filesys type (int). */ | |
521 | char ret_value[BUFSIZ]; | |
522 | ||
523 | if (!*current) | |
524 | c_value = 0; | |
525 | else | |
526 | c_value = atoi(*current); | |
527 | ||
528 | if (GetFSVal("student", MR_FS_STUDENT, c_value, &new_val) == FALSE) | |
529 | return SUB_ERROR; | |
530 | if (GetFSVal("faculty", MR_FS_FACULTY, c_value, &new_val) == FALSE) | |
531 | return SUB_ERROR; | |
532 | if (GetFSVal("staff", MR_FS_STAFF, c_value, &new_val) == FALSE) | |
533 | return SUB_ERROR; | |
534 | if (GetFSVal("miscellaneous", MR_FS_MISC, c_value, &new_val) == FALSE) | |
535 | return SUB_ERROR; | |
536 | if (options) | |
537 | { | |
538 | if (GetFSVal("Group Quotas", MR_FS_GROUPQUOTA, c_value, &new_val) == | |
539 | FALSE) | |
540 | return SUB_ERROR; | |
1feef067 | 541 | } |
075fe5bb | 542 | |
5eaef520 | 543 | FreeAndClear(current, TRUE); |
544 | sprintf(ret_value, "%d", new_val); | |
7ac48069 | 545 | *current = strdup(ret_value); |
5eaef520 | 546 | return SUB_NORMAL; |
08345b74 | 547 | } |
548 | ||
3ceae461 | 549 | /* atot: convert ASCII integer unix time into human readable date string */ |
550 | ||
5eaef520 | 551 | char *atot(char *itime) |
3ceae461 | 552 | { |
5eaef520 | 553 | time_t time; |
7ac48069 | 554 | char *ct; |
3ceae461 | 555 | |
5eaef520 | 556 | time = (time_t) atoi(itime); |
557 | ct = ctime(&time); | |
558 | ct[24] = 0; | |
559 | return &ct[4]; | |
3ceae461 | 560 | } |
561 | ||
562 | ||
08345b74 | 563 | /* Function Name: Print |
564 | * Description: prints out all the arguments on a single line. | |
59ec8dae | 565 | * Arguments: argc, argv - the standard Moira arguments. |
08345b74 | 566 | * callback - the callback function - NOT USED. |
8defc06b | 567 | * Returns: MR_CONT |
08345b74 | 568 | */ |
569 | ||
7ac48069 | 570 | int Print(int argc, char **argv, void *callback) |
08345b74 | 571 | { |
5eaef520 | 572 | char buf[BUFSIZ]; |
44d12d58 | 573 | int i; |
08345b74 | 574 | |
5eaef520 | 575 | found_some = TRUE; |
576 | strcpy(buf, argv[0]); /* no newline 'cause Put_message adds one */ | |
577 | for (i = 1; i < argc; i++) | |
578 | sprintf(buf, "%s %s", buf, argv[i]); | |
579 | Put_message(buf); | |
08345b74 | 580 | |
5eaef520 | 581 | return MR_CONT; |
08345b74 | 582 | } |
583 | ||
584 | /* Function Name: PrintByType | |
585 | * Description: This function prints all members of the type specified | |
586 | * by the callback arg, unless the callback is NULL, in which | |
587 | * case it prints all members. | |
5eaef520 | 588 | * Arguments: argc, argc - normal arguments for mr_callback function. |
08345b74 | 589 | * callback - either a type of member or NULL. |
8defc06b | 590 | * Returns: MR_CONT or MR_QUIT. |
08345b74 | 591 | */ |
592 | ||
7ac48069 | 593 | int PrintByType(int argc, char **argv, void *callback) |
08345b74 | 594 | { |
5eaef520 | 595 | if (!callback) |
596 | return Print(argc, argv, callback); | |
597 | if (!strcmp(argv[0], callback)) | |
598 | return Print(argc, argv, callback); | |
599 | return MR_CONT; | |
08345b74 | 600 | } |
601 | ||
602 | /* Function Name: PrintHelp | |
603 | * Description: Prints Help Information in a NULL terminated | |
604 | * char **. | |
605 | * Arguments: message. | |
606 | * Returns: DM_NORMAL. | |
607 | */ | |
608 | ||
5eaef520 | 609 | int PrintHelp(char **message) |
08345b74 | 610 | { |
44d12d58 | 611 | int i; |
a9517c80 | 612 | |
5eaef520 | 613 | for (i = 0; i < CountArgs(message); i++) |
614 | Put_message(message[i]); | |
a9517c80 | 615 | |
5eaef520 | 616 | return DM_NORMAL; |
08345b74 | 617 | } |
618 | ||
402461ad | 619 | /* Function Name: Loop |
620 | * Description: This function goes through the entire queue, and | |
621 | * and executes the given function on each element. | |
622 | * Arguments: elem - top element of the queue. | |
623 | * func - the function to execute. | |
624 | * Returns: none. | |
625 | */ | |
626 | ||
7ac48069 | 627 | void Loop(struct qelem *elem, void (*func)(char **)) |
402461ad | 628 | { |
5eaef520 | 629 | while (elem) |
630 | { | |
7ac48069 | 631 | (*func) (elem->q_data); |
5eaef520 | 632 | elem = elem->q_forw; |
402461ad | 633 | } |
634 | } | |
635 | ||
636 | ||
637 | /* Function Name: QueryLoop | |
638 | * Description: This functions loops through a queue containing | |
639 | * information about some item that we want to perform | |
640 | * an operation on, and then calls the correct routine | |
641 | * perform that operation. | |
642 | * Arguments: top - top of the queue of information. | |
643 | * print_func - print function. | |
644 | * op_function - operation to be performed. | |
645 | * query_string - string the prompts the user whether or not | |
646 | * to perform this operation. | |
647 | * Returns: none. | |
648 | * NOTES: | |
649 | * print_opt - should expect one arguent, the info array | |
650 | * of char *'s. | |
651 | * is expected to return the name of the item. | |
652 | * op_func - should expect two arguments. | |
653 | * 1) the info array of char *'s. | |
654 | * 2) a boolean the is true if there only | |
655 | * one item in this queue, used for delete | |
656 | * confirmation. | |
657 | * query_string - this should be of such a form that when the | |
658 | * name of the object and '(y/n/q) ?' are appended | |
659 | * then it should still make sense, an example is | |
660 | * "Delete the list" | |
661 | */ | |
662 | ||
7ac48069 | 663 | void QueryLoop(struct qelem *elem, char * (*print_func)(char **), |
664 | void (*op_func)(char **, Bool), char *query_string) | |
5eaef520 | 665 | { |
666 | Bool one_item; | |
667 | char temp_buf[BUFSIZ], *name; | |
668 | ||
669 | elem = QueueTop(elem); | |
670 | one_item = (QueueCount(elem) == 1); | |
671 | while (elem) | |
672 | { | |
7ac48069 | 673 | char **info = elem->q_data; |
5eaef520 | 674 | |
675 | if (one_item) | |
676 | (*op_func) (info, one_item); | |
677 | else | |
678 | { | |
679 | name = (*print_func) (info); /* call print function. */ | |
680 | sprintf(temp_buf, "%s %s (y/n/q)", query_string, name); | |
681 | switch (YesNoQuitQuestion(temp_buf, FALSE)) | |
682 | { | |
402461ad | 683 | case TRUE: |
5eaef520 | 684 | (*op_func) (info, one_item); |
685 | break; | |
402461ad | 686 | case FALSE: |
5eaef520 | 687 | break; |
402461ad | 688 | default: /* Quit. */ |
5eaef520 | 689 | Put_message("Aborting..."); |
690 | return; | |
402461ad | 691 | } |
692 | } | |
5eaef520 | 693 | elem = elem->q_forw; |
402461ad | 694 | } |
695 | } | |
696 | ||
697 | /* Function Name: NullPrint | |
698 | * Description: print function that returns nothing. | |
699 | * Arguments: info - a pointer to the info array - Not used. | |
700 | * Returns: none. | |
701 | */ | |
702 | ||
5eaef520 | 703 | char *NullPrint(char **info) |
402461ad | 704 | { |
5eaef520 | 705 | return info[NAME]; |
402461ad | 706 | } |
707 | ||
6769d5bc | 708 | |
709 | /* Function Name: GetTypeValues | |
710 | * Description: gets legal values for a typed object, keeping a cache | |
711 | * Arguments: type name | |
712 | * Returns: argv of values | |
713 | */ | |
714 | ||
5eaef520 | 715 | struct qelem *GetTypeValues(char *tname) |
6769d5bc | 716 | { |
5eaef520 | 717 | int stat; |
7ac48069 | 718 | char *argv[3], *p, **pp; |
5eaef520 | 719 | struct qelem *elem, *oelem; |
720 | static struct qelem *cache = NULL; | |
721 | struct cache_elem { | |
722 | char *cache_name; | |
723 | struct qelem *cache_data; | |
724 | } *ce; | |
6769d5bc | 725 | |
5eaef520 | 726 | for (elem = cache; elem; elem = elem->q_forw) |
727 | { | |
7ac48069 | 728 | ce = elem->q_data; |
5eaef520 | 729 | if (!strcmp(ce->cache_name, tname)) |
730 | return ce->cache_data; | |
6769d5bc | 731 | } |
732 | ||
5eaef520 | 733 | argv[0] = tname; |
734 | argv[1] = "TYPE"; | |
735 | argv[2] = "*"; | |
736 | elem = NULL; | |
7ac48069 | 737 | if ((stat = do_mr_query("get_alias", 3, argv, StoreInfo, &elem))) |
5eaef520 | 738 | { |
739 | com_err(program_name, stat, " in GetTypeValues"); | |
740 | return NULL; | |
6769d5bc | 741 | } |
5eaef520 | 742 | oelem = elem; |
743 | for (elem = QueueTop(elem); elem; elem = elem->q_forw) | |
744 | { | |
7ac48069 | 745 | pp = elem->q_data; |
746 | p = strdup(pp[2]); | |
5eaef520 | 747 | FreeInfo(pp); |
748 | elem->q_data = p; | |
6769d5bc | 749 | } |
5eaef520 | 750 | elem = malloc(sizeof(struct qelem)); |
751 | ce = malloc(sizeof(struct cache_elem)); | |
7ac48069 | 752 | ce->cache_name = strdup(tname); |
5eaef520 | 753 | ce->cache_data = QueueTop(oelem); |
7ac48069 | 754 | elem->q_data = ce; |
5eaef520 | 755 | AddQueue(elem, cache); |
756 | cache = QueueTop(elem); | |
757 | return ce->cache_data; | |
6769d5bc | 758 | } |
759 | ||
760 | ||
761 | /* Function Name: GetTypeFromUser | |
762 | * Description: gets a typed value from the user | |
763 | * Arguments: prompt string, type name, buffer pointer | |
245b2337 | 764 | * Returns: SUB_ERROR if ^C, SUB_NORMAL otherwise |
6769d5bc | 765 | */ |
766 | ||
5eaef520 | 767 | int GetTypeFromUser(char *prompt, char *tname, char **pointer) |
6769d5bc | 768 | { |
5eaef520 | 769 | char def[BUFSIZ], buffer[BUFSIZ], *p, *argv[3]; |
770 | struct qelem *elem; | |
771 | int stat; | |
6769d5bc | 772 | |
5eaef520 | 773 | strcpy(def, *pointer); |
774 | strcpy(buffer, prompt); | |
775 | strcat(buffer, " ("); | |
776 | for (elem = GetTypeValues(tname); elem; elem = elem->q_forw) | |
777 | { | |
778 | strcat(buffer, elem->q_data); | |
779 | if (elem->q_forw) | |
780 | strcat(buffer, ", "); | |
6769d5bc | 781 | } |
5eaef520 | 782 | strcat(buffer, ")"); |
783 | if (strlen(buffer) > 64) | |
784 | sprintf(buffer, "%s (? for help)", prompt); | |
785 | if (GetValueFromUser(buffer, pointer) == SUB_ERROR) | |
786 | return SUB_ERROR; | |
787 | if (**pointer == '?') | |
788 | { | |
789 | sprintf(buffer, "Type %s is one of:", tname); | |
790 | Put_message(buffer); | |
791 | for (elem = GetTypeValues(tname); elem; elem = elem->q_forw) | |
792 | Put_message(elem->q_data); | |
7ac48069 | 793 | *pointer = strdup(def); |
5eaef520 | 794 | return GetTypeFromUser(prompt, tname, pointer); |
6769d5bc | 795 | } |
5eaef520 | 796 | for (elem = GetTypeValues(tname); elem; elem = elem->q_forw) |
797 | { | |
798 | if (!strcasecmp(elem->q_data, *pointer)) | |
799 | { | |
800 | strcpy(*pointer, elem->q_data); | |
801 | return SUB_NORMAL; | |
1feef067 | 802 | } |
6769d5bc | 803 | } |
5eaef520 | 804 | sprintf(buffer, "\"%s\" is not a legal value for %s. Use one of:", |
805 | *pointer, tname); | |
806 | Put_message(buffer); | |
807 | for (elem = GetTypeValues(tname); elem; elem = elem->q_forw) | |
808 | Put_message(elem->q_data); | |
809 | sprintf(buffer, "Are you sure you want \"%s\" to be a legal %s", | |
810 | *pointer, tname); | |
811 | if (YesNoQuestion("Do you want this to be a new legal value", 0) == TRUE && | |
812 | YesNoQuestion(buffer, 0) == TRUE) | |
813 | { | |
814 | argv[0] = tname; | |
815 | argv[1] = "TYPE"; | |
816 | argv[2] = *pointer; | |
817 | /* don't uppercase access flags. Do uppercase everything else */ | |
818 | if (strncmp(tname, "fs_access", 9)) | |
819 | { | |
d1641b6c | 820 | for (p = argv[2]; *p; p++) |
5eaef520 | 821 | { |
822 | if (islower(*p)) | |
823 | *p = toupper(*p); | |
824 | } | |
825 | } | |
7ac48069 | 826 | if ((stat = do_mr_query("add_alias", 3, argv, NULL, NULL))) |
5eaef520 | 827 | com_err(program_name, stat, " in add_alias"); |
828 | else | |
829 | { | |
830 | elem = malloc(sizeof(struct qelem)); | |
7ac48069 | 831 | elem->q_data = strdup(*pointer); |
5eaef520 | 832 | AddQueue(elem, GetTypeValues(tname)); |
833 | Put_message("Done."); | |
6769d5bc | 834 | } |
835 | } | |
7ac48069 | 836 | *pointer = strdup(def); |
5eaef520 | 837 | return GetTypeFromUser(prompt, tname, pointer); |
6769d5bc | 838 | } |
839 | ||
840 | ||
ccce9c6a | 841 | /* Function Name: GetAddressFromUser |
842 | * Description: gets an IP address from the user | |
843 | * Arguments: prompt string, buffer pointer | |
844 | * buffer contains default value as long int | |
845 | * Returns: SUB_ERROR if ^C, SUB_NORMAL otherwise | |
846 | */ | |
847 | ||
5eaef520 | 848 | int GetAddressFromUser(char *prompt, char **pointer) |
849 | { | |
850 | char *value, buf[256]; | |
851 | struct in_addr addr; | |
852 | int ret; | |
853 | ||
854 | addr.s_addr = htonl(atoi(*pointer)); | |
7ac48069 | 855 | value = strdup(inet_ntoa(addr)); |
5eaef520 | 856 | ret = GetValueFromUser(prompt, &value); |
857 | if (ret == SUB_ERROR) | |
858 | return SUB_ERROR; | |
859 | addr.s_addr = inet_addr(value); | |
860 | free(pointer); | |
7ac48069 | 861 | sprintf(buf, "%ld", ntohl(addr.s_addr)); |
862 | *pointer = strdup(buf); | |
5eaef520 | 863 | return SUB_NORMAL; |
864 | } | |
865 | ||
866 | ||
7ac48069 | 867 | int do_mr_query(char *name, int argc, char **argv, |
868 | int (*proc)(int, char **, void *), void *hint) | |
5eaef520 | 869 | { |
870 | int status; | |
871 | extern char *whoami, *moira_server; | |
872 | ||
873 | refresh_screen(); | |
874 | status = mr_query(name, argc, argv, proc, hint); | |
875 | if (status != MR_ABORTED && status != MR_NOT_CONNECTED) | |
876 | return status; | |
877 | status = mr_connect(moira_server); | |
878 | if (status) | |
879 | { | |
880 | com_err(whoami, status, " while re-connecting to server %s", | |
881 | moira_server); | |
882 | return MR_ABORTED; | |
198d5016 | 883 | } |
5eaef520 | 884 | status = mr_auth(whoami); |
885 | if (status) | |
886 | { | |
887 | com_err(whoami, status, " while re-authenticating to server %s", | |
888 | moira_server); | |
889 | mr_disconnect(); | |
890 | return MR_ABORTED; | |
198d5016 | 891 | } |
5eaef520 | 892 | status = mr_query(name, argc, argv, proc, hint); |
893 | return status; | |
198d5016 | 894 | } |
895 |