3 * Do AFS incremental updates
5 * Copyright (C) 1989 by the Massachusetts Institute of Technology
6 * for copying and distribution information, please see the file
12 #include <sys/param.h>
18 #define LOCALCELL "sms_test.mit.edu"
27 char *table, **before, **after;
30 beforec = atoi(argv[2]);
32 afterc = atoi(argv[3]);
33 after = &argv[4 + beforec];
36 initialize_sms_error_table();
37 initialize_krb_error_table();
39 if (!strcmp(table, "users")) {
40 do_user(before, beforec, after, afterc);
41 } else if (!strcmp(table, "list")) {
42 do_list(before, beforec, after, afterc);
43 } else if (!strcmp(table, "members")) {
44 do_member(before, beforec, after, afterc);
45 } else if (!strcmp(table, "filesys")) {
46 do_filesys(before, beforec, after, afterc);
47 } else if (!strcmp(table, "nfsquota")) {
48 do_quota(before, beforec, after, afterc);
58 char realm[REALM_SZ + 1];
59 static int inited = 0;
60 int success = 0, tries = 0;
61 CREDENTIALS *c, *get_ticket();
65 while (success == 0 && tries < 3) {
67 if (krb_get_lrealm(realm) != KSUCCESS)
68 (void) strcpy(realm, KRB_REALM);
69 sprintf(buf, "/tmp/tkt_%d_afsinc", getpid());
70 krb_set_tkt_string(buf);
72 if (((pw = getpwnam("smsdba")) == NULL) ||
73 ((c = get_ticket("sms", "", realm, LOCALCELL)) == NULL) ||
75 (setreuid(pw->pw_uid, pw->pw_uid) < 0) ||
76 aklog(c, LOCALCELL)) {
77 com_err(whoami, 0, "failed to authenticate");
83 com_err(whoami, 0, "Executing command: %s", cmd);
93 critical_alert("incremental", "failed command: %s", cmd);
97 do_user(before, beforec, after, afterc)
106 cmd[0] = bstate = astate = 0;
107 if (afterc > U_STATE)
108 astate = atoi(after[U_STATE]);
109 if (beforec > U_STATE)
110 bstate = atoi(before[U_STATE]);
112 if (astate != 1 && bstate != 1)
114 if (astate == 1 && bstate != 1) {
115 sprintf(cmd, "prs newuser -name %s -id %s -cell %s",
116 after[U_NAME], after[U_UID], LOCALCELL);
119 } else if (astate != 1 && bstate == 1) {
120 sprintf(cmd, "prs delete %s -cell %s", before[U_NAME], LOCALCELL);
125 if (beforec > U_UID && afterc > U_UID &&
126 strcmp(before[U_UID], after[U_UID])) {
127 /* change UID, & possibly user name here */
131 if (beforec > U_NAME && afterc > U_NAME &&
132 strcmp(before[U_NAME], after[U_NAME])) {
133 sprintf(cmd, "prs chname -oldname %s -newname %s -cell %s",
134 before[U_NAME], after[U_NAME], LOCALCELL);
141 do_list(before, beforec, after, afterc)
150 cmd[0] = agid = bgid = 0;
151 if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP]))
152 bgid = atoi(before[L_GID]);
153 if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP]))
154 agid = atoi(after[L_GID]);
156 if (bgid == 0 && agid != 0) {
157 sprintf(cmd, "prs create -name system:%s -id %s -cell %s",
158 after[L_NAME], after[L_GID], LOCALCELL);
162 if (agid == 0 && bgid != 0) {
163 sprintf(cmd, "prs delete -name system:%s -cell %s",
164 before[L_NAME], LOCALCELL);
168 if (agid == 0 && bgid == 0)
170 if (strcmp(before[L_NAME], after[L_NAME])) {
172 "prs chname -oldname system:%s -newname system:%s -cell %s",
173 before[L_NAME], after[L_NAME], LOCALCELL);
180 do_member(before, beforec, after, afterc)
188 if (beforec == 0 && !strcmp(after[LM_TYPE], "USER")) {
189 sprintf(cmd, "prs add -user %s -group system:%s -cell %s",
190 after[LM_MEMBER], after[LM_LIST], LOCALCELL);
194 if (afterc == 0 && !strcmp(before[LM_TYPE], "USER")) {
195 sprintf(cmd, "prs delete -user %s -group system:%s -cell %s",
196 before[LM_MEMBER], before[LM_LIST], LOCALCELL);
203 do_filesys(before, beforec, after, afterc)
212 do_quota(before, beforec, after, afterc)
220 if (!(afterc >= Q_DIRECTORY && !strncmp("/afs", after[Q_DIRECTORY], 4)) &&
221 !(beforec >= Q_DIRECTORY && !strncmp("/afs", before[Q_DIRECTORY], 4)))
224 sprintf(cmd, "fs setquota -dir %s -quota %s",
225 after[Q_DIRECTORY], after[Q_QUOTA]);
232 CREDENTIALS *get_ticket(name, instance, realm, cell)
238 static CREDENTIALS c;
241 status = krb_get_svc_in_tkt(name, instance, realm,
242 "krbtgt", realm, 1, KEYFILE);
244 com_err(whoami, status+ERROR_TABLE_BASE_krb, "getting initial ticket from srvtab");
247 status = krb_get_cred("afs", cell, realm, &c);
249 status = get_ad_tkt("afs", cell, realm, 255);
251 status = krb_get_cred("afs", cell, realm, &c);
254 com_err(whoami, status+ERROR_TABLE_BASE_krb, "getting service ticket");
265 struct ktc_principal aserver;
266 struct ktc_token atoken;
268 atoken.kvno = c->kvno;
269 strcpy(aserver.name, "afs");
270 strcpy(aserver.instance, "");
271 strcpy(aserver.cell, cell);
273 atoken.startTime = c->issue_date;
274 atoken.endTime = c->issue_date + (c->lifetime * 5 * 60);
275 bcopy (c->session, &atoken.sessionKey, 8);
276 atoken.ticketLen = c->ticket_st.length;
277 bcopy (c->ticket_st.dat, atoken.ticket, atoken.ticketLen);
279 return(ktc_SetToken(&aserver, &atoken, NULL));
285 ktc_ForgetToken("afs");