3 * Do AFS incremental updates
5 * Copyright (C) 1989,1992 by the Massachusetts Institute of Technology
6 * for copying and distribution information, please see the file
10 #include <sys/types.h>
16 #include <moira_site.h>
18 #include <afs/param.h>
19 #include <afs/cellconfig.h>
20 #include <afs/venus.h>
21 #include <afs/ptclient.h>
22 #include <afs/pterror.h>
24 #define STOP_FILE "/moira/afs/noafs"
26 #define file_exists(file) (access((file), F_OK) == 0)
34 int beforec, afterc, i;
35 char *table, **before, **after;
38 for (i = getdtablesize() - 1; i > 2; i--)
42 beforec = atoi(argv[2]);
44 afterc = atoi(argv[3]);
45 after = &argv[4 + beforec];
50 for (i = 0; i < beforec; i++) {
53 strcat(buf, before[i]);
56 for (i = 0; i < afterc; i++) {
59 strcat(buf, after[i]);
65 initialize_sms_error_table();
66 initialize_krb_error_table();
68 for (i=0; file_exists(STOP_FILE); i++) {
70 critical_alert("incremental",
71 "AFS incremental failed (%s exists): %s",
78 if (!strcmp(table, "users")) {
79 do_user(before, beforec, after, afterc);
80 } else if (!strcmp(table, "list")) {
81 do_list(before, beforec, after, afterc);
82 } else if (!strcmp(table, "members")) {
83 do_member(before, beforec, after, afterc);
84 } else if (!strcmp(table, "filesys")) {
85 do_filesys(before, beforec, after, afterc);
86 } else if (!strcmp(table, "quota")) {
87 do_quota(before, beforec, after, afterc);
96 int success = 0, tries = 0;
98 while (success == 0 && tries < 1) {
101 com_err(whoami, 0, "Executing command: %s", cmd);
102 if (system(cmd) == 0)
106 critical_alert("incremental", "failed command: %s", cmd);
110 do_user(before, beforec, after, afterc)
116 int astate, bstate, auid, buid, code;
118 auid = buid = astate = bstate = 0;
119 if (afterc > U_STATE) astate = atoi(after[U_STATE]);
120 if (beforec > U_STATE) bstate = atoi(before[U_STATE]);
121 if (afterc > U_UID) auid = atoi(after[U_UID]);
122 if (beforec > U_UID) buid = atoi(before[U_UID]);
124 /* We consider "half-registered" users to be active */
125 if (astate == 2) astate = 1;
126 if (bstate == 2) bstate = 1;
128 if (astate != 1 && bstate != 1) /* inactive user */
131 if (astate == bstate && auid == buid &&
132 !strcmp(before[U_NAME], after[U_NAME]))
133 /* No AFS related attributes have changed */
136 code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
138 critical_alert("incremental", "Couldn't initialize libprot: %s",
139 error_message(code));
143 if (astate == bstate) {
144 /* Only a modify has to be done */
145 code = pr_ChangeEntry(before[U_NAME], after[U_NAME],
146 (auid==buid) ? 0 : auid, "");
148 critical_alert("incremental",
149 "Couldn't change user %s (id %d) to %s (id %d): %s",
150 before[U_NAME], buid, after[U_NAME], auid,
151 error_message(code));
156 code = pr_DeleteByID(buid);
157 if (code && code != PRNOENT) {
158 critical_alert("incremental",
159 "Couldn't delete user %s (id %d): %s",
160 before[U_NAME], buid, error_message(code));
165 code = pr_CreateUser(after[U_NAME], &auid);
167 critical_alert("incremental",
168 "Couldn't create user %s (id %d): %s",
169 after[U_NAME], auid, error_message(code));
177 do_list(before, beforec, after, afterc)
186 char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
190 if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP]))
191 bgid = atoi(before[L_GID]);
192 if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP]))
193 agid = atoi(after[L_GID]);
195 if (agid == 0 && bgid == 0) /* Not active groups */
197 if (agid == bgid && !strcmp(after[L_NAME], before[L_NAME]))
198 return; /* No change */
200 code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
202 critical_alert("incremental", "Couldn't initialize libprot: %s",
203 error_message(code));
208 /* Only a modify is required */
209 strcpy(g1, "system:");
210 strcpy(g2, "system:");
211 strcat(g1, before[L_NAME]);
212 strcat(g2, after[L_NAME]);
213 code = pr_ChangeEntry(g1, g2, (agid==bgid) ? 0 : -agid, "");
215 critical_alert("incremental",
216 "Couldn't change group %s (id %d) to %s (id %d): %s",
217 before[L_NAME], -bgid, after[L_NAME], -agid,
218 error_message(code));
223 code = pr_DeleteByID(-bgid);
224 if (code && code != PRNOENT) {
225 critical_alert("incremental",
226 "Couldn't delete group %s (id %d): %s",
227 before[L_NAME], -bgid, error_message(code));
232 strcpy(g1, "system:");
233 strcat(g1, after[L_NAME]);
234 strcpy(g2, "system:administrators");
236 code = pr_CreateGroup(g1, g2, &id);
238 critical_alert("incremental",
239 "Couldn't create group %s (id %d): %s",
240 after[L_NAME], id, error_message(code));
244 /* We need to make sure the group is properly populated */
245 if (beforec < L_ACTIVE || atoi(before[L_ACTIVE]) == 0) return;
247 gethostname(hostname, sizeof(hostname));
248 code = mr_connect(hostname);
249 if (!code) code = mr_auth("afs.incr");
251 critical_alert("incremental",
252 "Error contacting Moira server to resolve %s: %s",
253 after[L_NAME], error_message(code));
257 av[1] = after[L_NAME];
258 get_members(2, av, after[L_NAME]);
266 do_member(before, beforec, after, afterc)
275 if ((beforec < 4 || !atoi(before[LM_END])) &&
276 (afterc < 4 || !atoi(after[LM_END])))
279 code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
281 critical_alert("incremental", "Couldn't initialize libprot: %s",
282 error_message(code));
287 edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
289 edit_group(0, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
293 get_members(ac, av, group)
300 if (strcmp(av[0], "LIST")) {
301 sleep(1); /* give the ptserver room */
302 edit_group(1, group, av[0], av[1]);
304 code = mr_query("get_members_of_list", 1, &av[1], get_members, group);
306 critical_alert("incremental",
307 "Couldn't retrieve full membership of %s: %s",
308 group, error_message(code));
314 edit_group(op, group, type, member)
321 char buf[PR_MAXNAMELEN];
324 static char local_realm[REALM_SZ+1] = "";
325 extern long pr_AddToGroup(), pr_RemoveUserFromGroup();
327 fn = op ? pr_AddToGroup : pr_RemoveUserFromGroup;
329 /* The following KERBEROS code allows for the use of entities
333 krb_get_lrealm(local_realm, 1);
334 if (!strcmp(type, "KERBEROS")) {
335 p = index(member, '@');
336 if (p && !strcasecmp(p+1, local_realm))
338 } else if (strcmp(type, "USER"))
339 return; /* invalid type */
341 strcpy(buf, "system:");
343 code = (*fn)(member, buf);
345 if (op==0 && code == PRNOENT) return;
346 if (op==1 && code == PRIDEXIST) return;
347 if (strcmp(type, "KERBEROS") || code != PRNOENT) {
348 critical_alert("incremental",
349 "Couldn't %s %s %s %s: %s",
350 op ? "add" : "remove", member,
351 op ? "to" : "from", buf,
352 error_message(code));
359 do_filesys(before, beforec, after, afterc)
367 if (beforec < FS_CREATE) {
368 if (afterc < FS_CREATE || atoi(after[FS_CREATE])==0 ||
369 strcmp(after[FS_TYPE], "AFS"))
372 /* new locker creation */
373 sprintf(cmd, "%s/perl -I%s %s/afs_create.pl %s %s %s %s %s %s",
374 BIN_DIR, BIN_DIR, BIN_DIR,
375 after[FS_NAME], after[FS_L_TYPE], after[FS_MACHINE],
376 after[FS_PACK], after[FS_OWNER], after[FS_OWNERS]);
381 /* What do we do? When do we use FS_CREATE?
383 * TYPE change: AFS->ERR, ERR->AFS: rename/unmount/remount
384 * LOCKERTYPE change: rename/remount
385 * PACK change: remount
386 * LABEL change: rename/remount
387 * Deletion: rename/unmount
392 do_quota(before, beforec, after, afterc)
400 if (afterc < Q_DIRECTORY || strcmp("ANY", after[Q_TYPE]) ||
401 strncmp("/afs/", after[Q_DIRECTORY], 5))
404 sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
405 BIN_DIR, BIN_DIR, BIN_DIR,
406 after[Q_DIRECTORY], after[Q_QUOTA]);