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73c83e3d | 1 | #if (!defined(lint) && !defined(SABER)) |
2 | static char rcsid_module_c[] = "$Header$"; | |
3 | #endif lint | |
4 | ||
0a2c64cb | 5 | /* This is the file quota.c for the SMS Client, which allows a nieve |
6 | * user to quickly and easily maintain most parts of the SMS database. | |
7 | * It Contains: Functions for manipulating the quota information. | |
73c83e3d | 8 | * |
0a2c64cb | 9 | * Created: 7/10/88 |
10 | * By: Chris D. Peterson | |
73c83e3d | 11 | * |
12 | * $Source$ | |
13 | * $Author$ | |
14 | * $Header$ | |
15 | * | |
0a2c64cb | 16 | * Copyright 1988 by the Massachusetts Institute of Technology. |
73c83e3d | 17 | * |
18 | * For further information on copyright and distribution | |
19 | * see the file mit-copyright.h | |
20 | */ | |
21 | ||
73c83e3d | 22 | #include <stdio.h> |
23 | #include <strings.h> | |
24 | #include <sms.h> | |
25 | #include <menu.h> | |
26 | ||
27 | #include "mit-copyright.h" | |
0a2c64cb | 28 | #include "defs.h" |
29 | #include "f_defs.h" | |
73c83e3d | 30 | #include "globals.h" |
31 | #include "infodefs.h" | |
32 | ||
33 | static char * def_quota = NULL; | |
34 | ||
35 | #define DEFAULT_FILESYS DEFAULT_NONE | |
36 | #define DEFAULT_USER user /* this is the user who started sms. */ | |
37 | ||
38 | /* Function Name: GetDefaultUserQuota | |
39 | * Description: gets the user quota from sms, and caches the value. | |
40 | * Arguments: override - if true, go to sms and override the cache. | |
41 | * Returns: none. | |
42 | * NOTE: Using a queue here is pretty useless, but StoreInfo expects | |
43 | * one, and it works, so why fuck with it. | |
44 | */ | |
45 | ||
46 | static char * | |
47 | GetDefaultUserQuota(override) | |
48 | Bool override; | |
49 | { | |
50 | register int status; | |
51 | char ** info; | |
52 | struct qelem * top = NULL; | |
53 | static char *val[] = {"def_quota", NULL}; | |
54 | ||
55 | if (override || (def_quota == NULL)) { | |
56 | if ( (status = sms_query("get_value", CountArgs(val), | |
57 | val, StoreInfo, (char *) &top)) != SMS_SUCCESS) { | |
58 | com_err(program_name, status, " in ShowDefaultQuota"); | |
59 | if (def_quota == NULL) { | |
60 | Put_message("No default Quota Found, setting default to 0."); | |
61 | def_quota = Strsave("0"); | |
62 | } | |
63 | else | |
64 | Put_message("No default Quota Found, retaining old value."); | |
65 | } | |
66 | else { | |
67 | top = QueueTop(top); | |
68 | info = (char **) top->q_data; | |
69 | FreeAndClear(&def_quota, TRUE); | |
70 | def_quota = Strsave(info[0]); | |
71 | FreeQueue(top); | |
72 | } | |
73 | } | |
74 | return(def_quota); | |
75 | } | |
76 | ||
77 | /* Function Name: PrintDefaultQuota | |
78 | * Description: Prints default quota info in a meaningful way. | |
79 | * Arguments: value of the default quota. | |
80 | * Returns: none. | |
81 | */ | |
82 | ||
83 | static void | |
84 | PrintDefaultQuota(quota) | |
85 | char * quota; | |
86 | { | |
87 | char temp_buf[BUFSIZ]; | |
88 | Put_message(""); | |
89 | sprintf(temp_buf,"The default quota is %s Kb.", quota); | |
90 | Put_message(temp_buf); | |
91 | } | |
92 | ||
93 | /* Function Name: PrintQuota | |
94 | * Description: Prints a users quota information. | |
95 | * Arguments: info - a pointer to the quota information: | |
96 | * Returns: none. | |
97 | */ | |
98 | ||
99 | static char * | |
100 | PrintQuota(info) | |
101 | char ** info; | |
102 | { | |
103 | char buf[BUFSIZ]; | |
104 | Put_message(""); | |
105 | sprintf(buf, "Filsystem: %-45s User: %s",info[Q_FILESYS], info[Q_LOGIN]); | |
106 | Put_message(buf); | |
107 | sprintf(buf, "Machine: %-20s Directory: %-15s Quota: %s", | |
108 | info[Q_MACHINE], info[Q_DIRECTORY], info[Q_QUOTA]); | |
109 | Put_message(buf); | |
110 | return(info[Q_FILESYS]); | |
111 | } | |
112 | ||
113 | /* Function Name: GetQuotaArgs | |
114 | * Description: gets quota args from the user | |
115 | * Arguments: quota - if TRUE the get quota too. | |
116 | * Returns: the arguments. | |
117 | */ | |
118 | ||
119 | static char ** | |
120 | GetQuotaArgs(quota) | |
121 | Bool quota; | |
122 | { | |
123 | char ** args = (char **) malloc( MAX_ARGS_SIZE * sizeof(char *) ); | |
124 | ||
125 | if (args == NULL) { | |
126 | Put_message("Could not allocate memory in GetQuotaArgs."); | |
127 | return(NULL); | |
128 | } | |
129 | ||
130 | args[Q_FILESYS] = Strsave(DEFAULT_FILESYS); | |
131 | args[Q_LOGIN] = Strsave(DEFAULT_USER); | |
132 | if (quota) { | |
133 | args[Q_QUOTA] = Strsave(GetDefaultUserQuota(FALSE)); | |
134 | args[3] = NULL; /* NULL terminate. */ | |
135 | } | |
136 | else | |
137 | args[2] = NULL; /* NULL terminate. */ | |
138 | ||
139 | /* Get filesystem. */ | |
140 | ||
141 | GetValueFromUser("Filesystem", &args[Q_FILESYS]); | |
142 | if (quota) /* We need an exact entry. */ | |
143 | if (!ValidName(args[Q_FILESYS])) | |
144 | return(NULL); | |
145 | ||
146 | /* Get and check username. */ | |
147 | ||
148 | GetValueFromUser("Username", &args[Q_LOGIN]); | |
149 | if (!ValidName(args[Q_LOGIN])) return(NULL); | |
150 | ||
151 | if (quota) { /* Get and check quota. */ | |
152 | GetValueFromUser("Quota", &args[Q_QUOTA]); | |
153 | if (!ValidName(args[Q_QUOTA])) return(NULL); | |
154 | } | |
155 | return(args); | |
156 | } | |
157 | ||
158 | /* ------------------------- Show Quota Info ------------------------- */ | |
159 | ||
160 | /* Function Name: ShowDefaultQuota | |
161 | * Description: This prints out a default quota for the system. | |
162 | * Arguments: none | |
163 | * Returns: DM_NORMAL. | |
164 | */ | |
165 | ||
166 | int | |
167 | ShowDefaultQuota() | |
168 | { | |
169 | PrintDefaultQuota(GetDefaultUserQuota(TRUE)); | |
170 | return (DM_NORMAL); | |
171 | } | |
172 | ||
173 | /* Function Name: ChangeDefaultQuota | |
174 | * Description: Changes the System Wide default quota. | |
175 | * Arguments: argc, argv - New quota in argv[1]. | |
176 | * Returns: DM_NORMAL. | |
177 | */ | |
178 | ||
179 | /*ARGSUSED*/ | |
180 | int | |
181 | ChangeDefaultQuota(argc, argv) | |
182 | int argc; | |
183 | char *argv[]; | |
184 | { | |
185 | register int status; | |
186 | char temp_buf[BUFSIZ]; | |
187 | static char *newval[] = { | |
188 | "def_quota", NULL, NULL | |
189 | }; | |
190 | ||
191 | if (!ValidName(argv[1])) | |
192 | return(DM_NORMAL); | |
193 | ||
194 | sprintf(temp_buf,"%s %s","Are you sure that you want to", | |
195 | "change the default quota for all new users"); | |
196 | if(Confirm(temp_buf)) { | |
197 | newval[1] = argv[1]; | |
198 | if ( (status = sms_query("update_value", CountArgs(newval), | |
199 | newval, Scream, NULL)) == SMS_SUCCESS ) { | |
200 | FreeAndClear(&def_quota, TRUE); | |
201 | def_quota = Strsave(argv[1]); | |
202 | } | |
203 | else | |
204 | com_err(program_name, status, " in update_value"); | |
205 | } | |
206 | else | |
207 | Put_message("Quota not changed."); | |
208 | ||
209 | return (DM_NORMAL); | |
210 | } | |
211 | ||
212 | /* ------------------------- User Quotas ------------------------- */ | |
213 | ||
214 | /* Function Name: ShowUserQuota | |
215 | * Description: Shows the quota of a user. | |
216 | * Arguments: none | |
217 | * Returns: DM_NORMAL | |
218 | */ | |
219 | ||
220 | int | |
221 | ShowUserQuota() | |
222 | { | |
223 | struct qelem *top = NULL; | |
224 | register int status; | |
225 | char ** args; | |
226 | ||
227 | if ( (args = GetQuotaArgs(FALSE) ) == NULL) | |
228 | return(DM_NORMAL); | |
229 | ||
230 | if ( (status = sms_query("get_nfs_quota", CountArgs(args), args, | |
231 | StoreInfo, (char *) &top)) != SMS_SUCCESS) | |
232 | com_err(program_name, status, " in get_nfs_quota"); | |
233 | ||
234 | FreeInfo(args); /* done with args free them. */ | |
235 | free(args); | |
236 | ||
237 | top = QueueTop(top); | |
238 | Loop(top, (void *) PrintQuota); | |
239 | ||
240 | FreeQueue(top); | |
241 | return (DM_NORMAL); | |
242 | } | |
243 | ||
244 | /* Function Name: AddUserQuota | |
245 | * Description: Adds a new quota entry to the database. | |
246 | * Arguments: argc, argv - name of the filesystem in argv[1]. | |
247 | * Returns: DM_NORMAL | |
248 | */ | |
249 | ||
250 | int | |
251 | AddUserQuota() | |
252 | { | |
253 | char ** args; | |
254 | register int status; | |
255 | ||
256 | if ( (args = GetQuotaArgs(TRUE) ) == NULL) | |
257 | return(DM_NORMAL); | |
258 | ||
259 | if ( (status = sms_query("add_nfs_quota", CountArgs(args), args, | |
260 | Scream, (char *) NULL)) != SMS_SUCCESS) | |
261 | com_err(program_name, status, " in get_nfs_quota"); | |
262 | ||
263 | FreeInfo(args); | |
264 | free(args); | |
265 | return(DM_NORMAL); | |
266 | } | |
267 | ||
268 | /* Function Name: RealUpdateUser | |
269 | * Description: Performs the actual update of the user information. | |
270 | * Arguments: info - the information nesc. to update the user. | |
271 | * Returns: none. | |
272 | */ | |
273 | ||
274 | static void | |
275 | RealUpdateUser(info) | |
276 | char ** info; | |
277 | { | |
278 | register int status; | |
279 | char temp_buf[BUFSIZ]; | |
280 | ||
281 | sprintf(temp_buf, "New quota for filesystem %s (in KB)", info[Q_FILESYS]); | |
282 | GetValueFromUser(temp_buf, &info[Q_QUOTA]); | |
283 | ||
284 | if (status = sms_query("update_nfs_quota", 3, info, | |
285 | Scream, (char *) NULL) != SMS_SUCCESS) { | |
286 | com_err(program_name, status, " in update_nfs_quota"); | |
287 | sprintf(temp_buf,"Could not perform quota change on %s", | |
288 | info[Q_FILESYS]); | |
289 | Put_message(temp_buf); | |
290 | } | |
291 | } | |
292 | ||
293 | /* Function Name: ChangeUserQuota | |
294 | * Description: This function allows quotas to be updated. | |
295 | * Arguments: none. | |
296 | * Returns: DM_NORMAL. | |
297 | */ | |
298 | ||
299 | int | |
300 | ChangeUserQuota() | |
301 | { | |
302 | int status; | |
303 | char **args; | |
304 | struct qelem *top = NULL; | |
305 | ||
306 | if ( (args = GetQuotaArgs(FALSE) ) == NULL) | |
307 | return(DM_NORMAL); | |
308 | ||
309 | if ( (status = sms_query("get_nfs_quota", 2, args, | |
310 | StoreInfo, (char *) &top)) != SMS_SUCCESS) | |
311 | com_err(program_name, status, " in get_nfs_quota"); | |
312 | ||
313 | FreeInfo(args); /* done with args, free them. */ | |
314 | free(args); | |
315 | top = QueueTop(top); | |
316 | Loop(top, RealUpdateUser); | |
317 | ||
318 | FreeQueue(top); | |
319 | return (DM_NORMAL); | |
320 | } | |
321 | ||
322 | /* Function Name: RealRemoveUserQuota | |
323 | * Description: Actually removes the user quota. | |
324 | * Arguments: info - all information about this user quota. | |
325 | * one_item - true if there is only one item in the queue, and | |
326 | * we should confirm. | |
327 | * Returns: none. | |
328 | */ | |
329 | ||
330 | static void | |
331 | RealRemoveUserQuota(info, one_item) | |
332 | char ** info; | |
333 | Bool one_item; | |
334 | { | |
335 | register int status; | |
336 | char temp_buf[BUFSIZ]; | |
337 | ||
338 | sprintf(temp_buf, | |
339 | "Do you really want to delete the user %s's quota on filesystem %s", | |
340 | info[Q_LOGIN], info[Q_FILESYS]); | |
341 | ||
342 | if (!one_item || Confirm(temp_buf)) { | |
343 | if ( (status = sms_query("delete_nfs_quota", 2, info, | |
344 | Scream, (char *) NULL)) != SMS_SUCCESS) | |
345 | com_err(program_name, status, " in delete_nfs_quota"); | |
346 | else | |
347 | Put_message("Quota sucessfully removed."); | |
348 | } | |
349 | else | |
350 | Put_message("Aborted."); | |
351 | } | |
352 | ||
353 | /* Function Name: RemoveUserQuota | |
354 | * Description: Removes a users quota on a given filsystem | |
355 | * Arguments: none. | |
356 | * Returns: DM_NORMAL. | |
357 | */ | |
358 | ||
359 | int | |
360 | RemoveUserQuota() | |
361 | { | |
362 | register int status; | |
363 | char **args; | |
364 | struct qelem *top = NULL; | |
365 | ||
366 | if ( (args = GetQuotaArgs(FALSE) ) == NULL) | |
367 | return(DM_NORMAL); | |
368 | ||
369 | if ( (status = sms_query("get_nfs_quota", 2, args, | |
370 | StoreInfo, (char *) &top)) != SMS_SUCCESS) | |
371 | com_err(program_name, status, " in get_nfs_quota"); | |
372 | ||
373 | FreeInfo(args); | |
374 | free(args); | |
375 | top = QueueTop(top); | |
376 | QueryLoop(top, PrintQuota, RealRemoveUserQuota, | |
377 | "Delete This users quota on filesystem"); | |
378 | ||
379 | FreeQueue(top); | |
380 | return(DM_NORMAL); | |
381 | } |