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"
19 #define PRS "/u1/sms/bin/prs"
20 #define FS "/u1/sms/bin/fs"
30 char *table, **before, **after;
33 beforec = atoi(argv[2]);
35 afterc = atoi(argv[3]);
36 after = &argv[4 + beforec];
39 initialize_sms_error_table();
40 initialize_krb_error_table();
42 if (!strcmp(table, "users")) {
43 do_user(before, beforec, after, afterc);
44 } else if (!strcmp(table, "list")) {
45 do_list(before, beforec, after, afterc);
46 } else if (!strcmp(table, "members")) {
47 do_member(before, beforec, after, afterc);
48 } else if (!strcmp(table, "filesys")) {
49 do_filesys(before, beforec, after, afterc);
50 } else if (!strcmp(table, "nfsquota")) {
51 do_quota(before, beforec, after, afterc);
61 char realm[REALM_SZ + 1];
62 static int inited = 0;
63 int success = 0, tries = 0;
64 CREDENTIALS *c, *get_ticket();
68 while (success == 0 && tries < 3) {
70 if (krb_get_lrealm(realm) != KSUCCESS)
71 (void) strcpy(realm, KRB_REALM);
72 sprintf(buf, "/tmp/tkt_%d_afsinc", getpid());
73 krb_set_tkt_string(buf);
75 if (((pw = getpwnam("smsdba")) == NULL) ||
76 ((c = get_ticket("sms", "", realm, LOCALCELL)) == NULL) ||
78 (setreuid(pw->pw_uid, pw->pw_uid) < 0) ||
79 aklog(c, LOCALCELL)) {
80 com_err(whoami, 0, "failed to authenticate");
86 com_err(whoami, 0, "Executing command: %s", cmd);
96 critical_alert("incremental", "failed command: %s", cmd);
100 do_user(before, beforec, after, afterc)
109 cmd[0] = bstate = astate = 0;
110 if (afterc > U_STATE)
111 astate = atoi(after[U_STATE]);
112 if (beforec > U_STATE)
113 bstate = atoi(before[U_STATE]);
115 if (astate != 1 && bstate != 1)
117 if (astate == 1 && bstate != 1) {
118 sprintf(cmd, "%s newuser -name %s -id %s -cell %s",
119 PRS, after[U_NAME], after[U_UID], LOCALCELL);
122 } else if (astate != 1 && bstate == 1) {
123 sprintf(cmd, "%s delete %s -cell %s", PRS, before[U_NAME], LOCALCELL);
128 if (beforec > U_UID && afterc > U_UID &&
129 strcmp(before[U_UID], after[U_UID])) {
130 /* change UID, & possibly user name here */
134 if (beforec > U_NAME && afterc > U_NAME &&
135 strcmp(before[U_NAME], after[U_NAME])) {
136 sprintf(cmd, "%s chname -oldname %s -newname %s -cell %s",
137 PRS, before[U_NAME], after[U_NAME], LOCALCELL);
144 do_list(before, beforec, after, afterc)
153 cmd[0] = agid = bgid = 0;
154 if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP]))
155 bgid = atoi(before[L_GID]);
156 if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP]))
157 agid = atoi(after[L_GID]);
159 if (bgid == 0 && agid != 0) {
160 sprintf(cmd, "%s create -name system:%s -id %s -cell %s",
161 PRS, after[L_NAME], after[L_GID], LOCALCELL);
165 if (agid == 0 && bgid != 0) {
166 sprintf(cmd, "%s delete -name system:%s -cell %s",
167 PRS, before[L_NAME], LOCALCELL);
171 if (agid == 0 && bgid == 0)
173 if (strcmp(before[L_NAME], after[L_NAME])) {
175 "%s chname -oldname system:%s -newname system:%s -cell %s",
176 PRS, before[L_NAME], after[L_NAME], LOCALCELL);
183 do_member(before, beforec, after, afterc)
191 if (beforec == 0 && !strcmp(after[LM_TYPE], "USER")) {
192 sprintf(cmd, "%s add -user %s -group system:%s -cell %s",
193 PRS, after[LM_MEMBER], after[LM_LIST], LOCALCELL);
197 if (afterc == 0 && !strcmp(before[LM_TYPE], "USER")) {
198 sprintf(cmd, "%s delete -user %s -group system:%s -cell %s",
199 PRS, before[LM_MEMBER], before[LM_LIST], LOCALCELL);
206 do_filesys(before, beforec, after, afterc)
215 do_quota(before, beforec, after, afterc)
223 if (!(afterc >= Q_DIRECTORY && !strncmp("/afs", after[Q_DIRECTORY], 4)) &&
224 !(beforec >= Q_DIRECTORY && !strncmp("/afs", before[Q_DIRECTORY], 4)))
226 if (afterc >= Q_LOGIN && strcmp("[nobody]", after[Q_LOGIN]))
229 sprintf(cmd, "%s setquota -dir %s -quota %s",
230 FS, after[Q_DIRECTORY], after[Q_QUOTA]);
237 CREDENTIALS *get_ticket(name, instance, realm, cell)
243 static CREDENTIALS c;
246 status = krb_get_svc_in_tkt(name, instance, realm,
247 "krbtgt", realm, 1, KEYFILE);
249 com_err(whoami, status+ERROR_TABLE_BASE_krb, "getting initial ticket from srvtab");
252 status = krb_get_cred("afs", cell, realm, &c);
254 status = get_ad_tkt("afs", cell, realm, 255);
256 status = krb_get_cred("afs", cell, realm, &c);
259 com_err(whoami, status+ERROR_TABLE_BASE_krb, "getting service ticket");
270 struct ktc_principal aserver;
271 struct ktc_token atoken;
273 atoken.kvno = c->kvno;
274 strcpy(aserver.name, "afs");
275 strcpy(aserver.instance, "");
276 strcpy(aserver.cell, cell);
278 atoken.startTime = c->issue_date;
279 atoken.endTime = c->issue_date + (c->lifetime * 5 * 60);
280 bcopy (c->session, &atoken.sessionKey, 8);
281 atoken.ticketLen = c->ticket_st.length;
282 bcopy (c->ticket_st.dat, atoken.ticket, atoken.ticketLen);
284 return(ktc_SetToken(&aserver, &atoken, NULL));
290 ktc_ForgetToken("afs");