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Changes required to build afs.incr (now a Moira client).
[moira.git] / incremental / afs.c
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1/* $Header$
2 *
3 * Do AFS incremental updates
4 *
5 * Copyright (C) 1989,1992 by the Massachusetts Institute of Technology
6 * for copying and distribution information, please see the file
7 * <mit-copyright.h>.
8 */
9
10#include <sys/types.h>
11#include <sys/file.h>
12#include <strings.h>
13
14#include <moira.h>
15#include <moira_site.h>
16
17#include <afs/param.h>
18#include <afs/cellconfig.h>
19#include <afs/venus.h>
20#include <afs/ptclient.h>
21#include <afs/pterror.h>
22
23#define file_exists(file) (access((file), F_OK) == 0)
24
25char *whoami;
26char *cellname = "ATHENA.MIT.EDU";
27
28main(argc, argv)
29char **argv;
30int argc;
31{
32 int beforec, afterc, i;
33 char *table, **before, **after;
34#ifdef DEBUG
35 char buf[1024];
36#endif
37
38 for (i = getdtablesize() - 1; i > 2; i--)
39 close(i);
40
41 table = argv[1];
42 beforec = atoi(argv[2]);
43 before = &argv[4];
44 afterc = atoi(argv[3]);
45 after = &argv[4 + beforec];
46 whoami = argv[0];
47
48#ifdef DEBUG
49 sprintf(buf, "%s (", table);
50 for (i = 0; i < beforec; i++) {
51 if (i > 0)
52 strcat(buf, ",");
53 strcat(buf, before[i]);
54 }
55 strcat(buf, ")->(");
56 for (i = 0; i < afterc; i++) {
57 if (i > 0)
58 strcat(buf, ",");
59 strcat(buf, after[i]);
60 }
61 strcat(buf, ")\n");
62 write(1,buf,strlen(buf));
63#endif
64
65 initialize_sms_error_table();
66 initialize_krb_error_table();
67
68 if (!strcmp(table, "users")) {
69 do_user(before, beforec, after, afterc);
70 } else if (!strcmp(table, "list")) {
71 do_list(before, beforec, after, afterc);
72 } else if (!strcmp(table, "members")) {
73 do_member(before, beforec, after, afterc);
74 } else if (!strcmp(table, "filesys")) {
75 do_filesys(before, beforec, after, afterc);
76 } else if (!strcmp(table, "quota")) {
77 do_quota(before, beforec, after, afterc);
78 }
79 exit(0);
80}
81
82
83do_cmd(cmd)
84char *cmd;
85{
86 int success = 0, tries = 0;
87
88 while (success == 0 && tries < 1) {
89 if (tries++)
90 sleep(5*60);
91 com_err(whoami, 0, "Executing command: %s", cmd);
92 if (system(cmd) == 0)
93 success++;
94 }
95 if (!success)
96 critical_alert("incremental", "failed command: %s", cmd);
97}
98
99
100do_user(before, beforec, after, afterc)
101char **before;
102int beforec;
103char **after;
104int afterc;
105{
106 int astate, bstate, auid, buid, code;
107
108 auid = buid = astate = bstate = 0;
109 if (afterc > U_STATE) astate = atoi(after[U_STATE]);
110 if (beforec > U_STATE) bstate = atoi(before[U_STATE]);
111 if (afterc > U_UID) auid = atoi(after[U_UID]);
112 if (beforec > U_UID) buid = atoi(before[U_UID]);
113
114 /* We consider "half-registered" users to be active */
115 if (astate == 2) astate = 1;
116 if (bstate == 2) bstate = 1;
117
118 if (astate != 1 && bstate != 1) /* inactive user */
119 return;
120
121 if (astate == bstate && auid == buid &&
122 !strcmp(before[U_NAME], after[U_NAME]))
123 /* No AFS related attributes have changed */
124 return;
125
126 code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
127 if (code) {
128 critical_alert("incremental", "Couldn't initialize libprot: %s",
129 error_message(code));
130 return;
131 }
132
133 if (astate == bstate) {
134 /* Only a modify has to be done */
135 code = pr_ChangeEntry(before[U_NAME], after[U_NAME],
136 (auid==buid) ? 0 : auid, "");
137 if (code) {
138 critical_alert("incremental",
139 "Couldn't change user %s (id %d) to %s (id %d): %s",
140 before[U_NAME], buid, after[U_NAME], auid,
141 error_message(code));
142 }
143 return;
144 }
145 if (bstate == 1) {
146 code = pr_DeleteByID(buid);
147 if (code && code != PRNOENT) {
148 critical_alert("incremental",
149 "Couldn't delete user %s (id %d): %s",
150 before[U_NAME], buid, error_message(code));
151 }
152 return;
153 }
154 if (astate == 1) {
155 code = pr_CreateUser(after[U_NAME], &auid);
156 if (code) {
157 critical_alert("incremental",
158 "Couldn't create user %s (id %d): %s",
159 after[U_NAME], auid, error_message(code));
160 }
161 return;
162 }
163}
164
165
166
167do_list(before, beforec, after, afterc)
168char **before;
169int beforec;
170char **after;
171int afterc;
172{
173 int agid, bgid;
174 long code, id;
175 char hostname[64];
176 char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
177 char *av[2];
178
179 agid = bgid = 0;
180 if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP]))
181 bgid = atoi(before[L_GID]);
182 if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP]))
183 agid = atoi(after[L_GID]);
184
185 if (agid == 0 && bgid == 0) /* Not active groups */
186 return;
187 if (agid == bgid && !strcmp(after[L_NAME], before[L_NAME]))
188 return; /* No change */
189
190 code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
191 if (code) {
192 critical_alert("incremental", "Couldn't initialize libprot: %s",
193 error_message(code));
194 return;
195 }
196
197 if (agid && bgid) {
198 /* Only a modify is required */
199 strcpy(g1, "system:");
200 strcpy(g2, "system:");
201 strcat(g1, before[L_NAME]);
202 strcat(g2, after[L_NAME]);
203 code = pr_ChangeEntry(g1, g2, (agid==bgid) ? 0 : -agid, "");
204 if (code) {
205 critical_alert("incremental",
206 "Couldn't change group %s (id %d) to %s (id %d): %s",
207 before[L_NAME], -bgid, after[L_NAME], -agid,
208 error_message(code));
209 }
210 return;
211 }
212 if (bgid) {
213 code = pr_DeleteByID(-bgid);
214 if (code && code != PRNOENT) {
215 critical_alert("incremental",
216 "Couldn't delete group %s (id %d): %s",
217 before[L_NAME], -bgid, error_message(code));
218 }
219 return;
220 }
221 if (agid) {
222 strcpy(g1, "system:");
223 strcat(g1, after[L_NAME]);
224 strcpy(g2, "system:administrators");
225 id = -agid;
226 code = pr_CreateGroup(g1, g2, &id);
227 if (code) {
228 critical_alert("incremental",
229 "Couldn't create group %s (id %d): %s",
230 after[L_NAME], id, error_message(code));
231 return;
232 }
233
234 /* We need to make sure the group is properly populated */
235 if (beforec < L_ACTIVE || atoi(before[L_ACTIVE]) == 0) return;
236
237 gethostname(hostname, sizeof(hostname));
238 code = mr_connect(hostname);
239 if (!code) code = mr_auth("afs.incr");
240 if (code) {
241 critical_alert("incremental",
242 "Error contacting Moira server to resolve %s: %s",
243 after[L_NAME], error_message(code));
244 return;
245 }
246 av[0] = "LIST";
247 av[1] = after[L_NAME];
248 get_members(2, av, after[L_NAME]);
249
250 mr_disconnect();
251 return;
252 }
253}
254
255
256do_member(before, beforec, after, afterc)
257char **before;
258int beforec;
259char **after;
260int afterc;
261{
262 int code;
263 char *p;
264
265 if ((beforec < 4 || !atoi(before[LM_END])) &&
266 (afterc < 4 || !atoi(after[LM_END])))
267 return;
268
269 code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
270 if (code) {
271 critical_alert("incremental", "Couldn't initialize libprot: %s",
272 error_message(code));
273 return;
274 }
275
276 if (afterc)
277 edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
278 if (beforec)
279 edit_group(0, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
280}
281
282
283get_members(ac, av, group)
284 int ac;
285 char *av[];
286 char *group;
287{
288 int code=0;
289
290 if (strcmp(av[0], "LIST")) {
291 sleep(1); /* give the ptserver room */
292 edit_group(1, group, av[0], av[1]);
293 } else {
294 code = mr_query("get_members_of_list", 1, &av[1], get_members, group);
295 if (code)
296 critical_alert("incremental",
297 "Couldn't retrieve full membership of %s: %s",
298 group, error_message(code));
299 }
300 return code;
301}
302
303
304edit_group(op, group, type, member)
305 int op;
306 char *group;
307 char *type;
308 char *member;
309{
310 char *p = 0;
311 char buf[PR_MAXNAMELEN];
312 int (*fn)();
313 int code;
314 extern long pr_AddToGroup(), pr_RemoveUserFromGroup();
315
316 fn = op ? pr_AddToGroup : pr_RemoveUserFromGroup;
317
318 /* The following KERBEROS code allows for the use of entities
319 * user@foreign_cell.
320 */
321 if (!strcmp(type, "KERBEROS")) {
322 p = index(member, '@');
323 if (p && !strcasecmp(p+1, cellname))
324 *p = 0;
325 } else if (strcmp(type, "USER"))
326 return; /* invalid type */
327
328 strcpy(buf, "system:");
329 strcat(buf, group);
330 code = (*fn)(member, buf);
331 if (code) {
332 if (op==0 && code == PRNOENT) return;
333 if (op==1 && code == PRIDEXIST) return;
334 if (strcmp(type, "KERBEROS") || code != PRNOENT) {
335 critical_alert("incremental",
336 "Couldn't %s %s %s %s: %s",
337 op ? "add" : "remove", member,
338 op ? "to" : "from", buf,
339 error_message(code));
340 }
341 }
342 if (p) *p = '@';
343}
344
345
346do_filesys(before, beforec, after, afterc)
347char **before;
348int beforec;
349char **after;
350int afterc;
351{
352 char cmd[1024];
353
354 if (beforec < FS_CREATE) {
355 if (afterc < FS_CREATE || atoi(after[FS_CREATE])==0 ||
356 strcmp(after[FS_TYPE], "AFS"))
357 return;
358
359 /* new locker creation */
360 sprintf(cmd, "%s/perl -I%s %s/afs_create.pl %s %s %s %s %s %s",
361 BIN_DIR, BIN_DIR, BIN_DIR,
362 after[FS_NAME], after[FS_L_TYPE], after[FS_MACHINE],
363 after[FS_PACK], after[FS_OWNER], after[FS_OWNERS]);
364 do_cmd(cmd);
365 return;
366 }
367
368 /* What do we do? When do we use FS_CREATE?
369 *
370 * TYPE change: AFS->ERR, ERR->AFS: rename/unmount/remount
371 * LOCKERTYPE change: rename/remount
372 * PACK change: remount
373 * LABEL change: rename/remount
374 * Deletion: rename/unmount
375 */
376}
377
378
379do_quota(before, beforec, after, afterc)
380char **before;
381int beforec;
382char **after;
383int afterc;
384{
385 char cmd[1024];
386
387 if (afterc < Q_DIRECTORY || strcmp("ANY", after[Q_TYPE]) ||
388 strncmp("/afs/", after[Q_DIRECTORY], 5))
389 return;
390
391 sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
392 BIN_DIR, BIN_DIR, BIN_DIR,
393 after[Q_DIRECTORY], after[Q_QUOTA]);
394 do_cmd(cmd);
395 return;
396}
Moira, the Athena Service Management system
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