*
* Do AFS incremental updates
*
- * Copyright (C) 1989 by the Massachusetts Institute of Technology
+ * Copyright (C) 1989,1992 by the Massachusetts Institute of Technology
* for copying and distribution information, please see the file
* <mit-copyright.h>.
*/
-#include <sms.h>
-#include <sms_app.h>
-#include <sys/param.h>
-#include <krb.h>
-#include <krb_et.h>
-#include <afs/auth.h>
-#include <pwd.h>
+#include <sys/types.h>
#include <sys/file.h>
+#include <strings.h>
-#define file_exists(file) (access((file), F_OK) == 0)
+#include <moira.h>
+#include <moira_site.h>
+
+#include <afs/param.h>
+#include <afs/cellconfig.h>
+#include <afs/venus.h>
+#include <afs/ptclient.h>
+#include <afs/pterror.h>
-char prs[64], fs[64];
+#define file_exists(file) (access((file), F_OK) == 0)
char *whoami;
+char *cellname = "ATHENA.MIT.EDU";
main(argc, argv)
char **argv;
int argc;
{
- int beforec, afterc;
+ int beforec, afterc, i;
char *table, **before, **after;
#ifdef DEBUG
char buf[1024];
- int i;
#endif
+ for (i = getdtablesize() - 1; i > 2; i--)
+ close(i);
+
table = argv[1];
beforec = atoi(argv[2]);
before = &argv[4];
initialize_sms_error_table();
initialize_krb_error_table();
- sprintf(prs, "%s/prs", BIN_DIR);
- sprintf(fs, "%s/fs", BIN_DIR);
if (!strcmp(table, "users")) {
do_user(before, beforec, after, afterc);
do_member(before, beforec, after, afterc);
} else if (!strcmp(table, "filesys")) {
do_filesys(before, beforec, after, afterc);
- } else if (!strcmp(table, "nfsquota")) {
+ } else if (!strcmp(table, "quota")) {
do_quota(before, beforec, after, afterc);
}
- unlog();
exit(0);
}
do_cmd(cmd)
char *cmd;
{
- char realm[REALM_SZ + 1];
- static int inited = 0;
- int success = 0, tries = 0, fd, cc;
- CREDENTIALS *c, *get_ticket();
- struct passwd *pw;
- char buf[128], localcell[128], *p, *index();
-
- while (success == 0 && tries < 3) {
- if (!inited) {
- if (krb_get_lrealm(realm) != KSUCCESS)
- (void) strcpy(realm, KRB_REALM);
- sprintf(buf, "/tmp/tkt_%d_afsinc", getpid());
- krb_set_tkt_string(buf);
-
- if ((fd = open("/usr/vice/etc/ThisCell", O_RDONLY, 0)) < 0) {
- critical_alert("incremental", "unable to find AFS cell");
- unlog();
- exit(1);
- }
- if ((cc = read(fd, localcell, sizeof(localcell))) < 0) {
- critical_alert("incremental", "unable to read AFS cell");
- unlog();
- exit(1);
- }
- close(fd);
- p = index(localcell, '\n');
- if (p) *p = 0;
-
- if (((pw = getpwnam("smsdba")) == NULL) ||
- ((c = get_ticket("sms", "", realm, localcell)) == NULL) ||
- (setpag() < 0) ||
- (setreuid(pw->pw_uid, pw->pw_uid) < 0) ||
- aklog(c, localcell)) {
- com_err(whoami, 0, "failed to authenticate");
- } else
- inited++;
- }
-
- if (inited) {
- com_err(whoami, 0, "Executing command: %s", cmd);
- if (system(cmd) == 0)
- success++;
- }
- if (!success) {
- tries++;
- sleep(5 * 60);
- }
+ int success = 0, tries = 0;
+
+ while (success == 0 && tries < 1) {
+ if (tries++)
+ sleep(5*60);
+ com_err(whoami, 0, "Executing command: %s", cmd);
+ if (system(cmd) == 0)
+ success++;
}
if (!success)
- critical_alert("incremental", "failed command: %s", cmd);
+ critical_alert("incremental", "failed command: %s", cmd);
}
char **after;
int afterc;
{
- int bstate, astate;
- char cmd[512];
-
- cmd[0] = bstate = astate = 0;
- if (afterc > U_STATE)
- astate = atoi(after[U_STATE]);
- if (beforec > U_STATE)
- bstate = atoi(before[U_STATE]);
+ int astate, bstate, auid, buid, code;
+
+ auid = buid = astate = bstate = 0;
+ if (afterc > U_STATE) astate = atoi(after[U_STATE]);
+ if (beforec > U_STATE) bstate = atoi(before[U_STATE]);
+ if (afterc > U_UID) auid = atoi(after[U_UID]);
+ if (beforec > U_UID) buid = atoi(before[U_UID]);
+
+ /* We consider "half-registered" users to be active */
if (astate == 2) astate = 1;
if (bstate == 2) bstate = 1;
- if (astate != 1 && bstate != 1)
- return;
- if (astate == 1 && bstate != 1) {
- sprintf(cmd, "%s newuser -name %s -id %s",
- prs, after[U_NAME], after[U_UID]);
- do_cmd(cmd);
+ if (astate != 1 && bstate != 1) /* inactive user */
return;
- } else if (astate != 1 && bstate == 1) {
- sprintf(cmd, "%s delete %s", prs, before[U_NAME]);
- do_cmd(cmd);
+
+ if (astate == bstate && auid == buid &&
+ !strcmp(before[U_NAME], after[U_NAME]))
+ /* No AFS related attributes have changed */
return;
- }
- if (beforec > U_UID && afterc > U_UID &&
- strcmp(before[U_UID], after[U_UID])) {
- /* change UID, & possibly user name here */
- unlog();
- exit(1);
+ code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
+ if (code) {
+ critical_alert("incremental", "Couldn't initialize libprot: %s",
+ error_message(code));
+ return;
}
-
- if (beforec > U_NAME && afterc > U_NAME &&
- strcmp(before[U_NAME], after[U_NAME])) {
- sprintf(cmd, "%s chname -oldname %s -newname %s",
- prs, before[U_NAME], after[U_NAME]);
- do_cmd(cmd);
+
+ if (astate == bstate) {
+ /* Only a modify has to be done */
+ code = pr_ChangeEntry(before[U_NAME], after[U_NAME],
+ (auid==buid) ? 0 : auid, "");
+ if (code) {
+ critical_alert("incremental",
+ "Couldn't change user %s (id %d) to %s (id %d): %s",
+ before[U_NAME], buid, after[U_NAME], auid,
+ error_message(code));
+ }
+ return;
+ }
+ if (bstate == 1) {
+ code = pr_DeleteByID(buid);
+ if (code && code != PRNOENT) {
+ critical_alert("incremental",
+ "Couldn't delete user %s (id %d): %s",
+ before[U_NAME], buid, error_message(code));
+ }
+ return;
+ }
+ if (astate == 1) {
+ code = pr_CreateUser(after[U_NAME], &auid);
+ if (code) {
+ critical_alert("incremental",
+ "Couldn't create user %s (id %d): %s",
+ after[U_NAME], auid, error_message(code));
+ }
+ return;
}
}
char **after;
int afterc;
{
- char cmd[512];
int agid, bgid;
+ long code, id;
+ char hostname[64];
+ char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
+ char *av[2];
- cmd[0] = agid = bgid = 0;
+ agid = bgid = 0;
if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP]))
- bgid = atoi(before[L_GID]);
+ bgid = atoi(before[L_GID]);
if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP]))
- agid = atoi(after[L_GID]);
+ agid = atoi(after[L_GID]);
- if (bgid == 0 && agid != 0) {
- sprintf(cmd,
- "%s create -name system:%s -id %s -owner system:administrators",
- prs, after[L_NAME], after[L_GID]);
- do_cmd(cmd);
+ if (agid == 0 && bgid == 0) /* Not active groups */
+ return;
+ if (agid == bgid && !strcmp(after[L_NAME], before[L_NAME]))
+ return; /* No change */
+
+ code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
+ if (code) {
+ critical_alert("incremental", "Couldn't initialize libprot: %s",
+ error_message(code));
return;
}
- if (agid == 0 && bgid != 0) {
- sprintf(cmd, "%s delete -name system:%s", prs, before[L_NAME]);
- do_cmd(cmd);
+
+ if (agid && bgid) {
+ /* Only a modify is required */
+ strcpy(g1, "system:");
+ strcpy(g2, "system:");
+ strcat(g1, before[L_NAME]);
+ strcat(g2, after[L_NAME]);
+ code = pr_ChangeEntry(g1, g2, (agid==bgid) ? 0 : -agid, "");
+ if (code) {
+ critical_alert("incremental",
+ "Couldn't change group %s (id %d) to %s (id %d): %s",
+ before[L_NAME], -bgid, after[L_NAME], -agid,
+ error_message(code));
+ }
return;
}
- if (agid == 0 && bgid == 0)
- return;
- if (strcmp(before[L_NAME], after[L_NAME])) {
- sprintf(cmd,
- "%s chname -oldname system:%s -newname system:%s",
- prs, before[L_NAME], after[L_NAME]);
- do_cmd(cmd);
+ if (bgid) {
+ code = pr_DeleteByID(-bgid);
+ if (code && code != PRNOENT) {
+ critical_alert("incremental",
+ "Couldn't delete group %s (id %d): %s",
+ before[L_NAME], -bgid, error_message(code));
+ }
+ return;
+ }
+ if (agid) {
+ strcpy(g1, "system:");
+ strcat(g1, after[L_NAME]);
+ strcpy(g2, "system:administrators");
+ id = -agid;
+ code = pr_CreateGroup(g1, g2, &id);
+ if (code) {
+ critical_alert("incremental",
+ "Couldn't create group %s (id %d): %s",
+ after[L_NAME], id, error_message(code));
+ return;
+ }
+
+ /* We need to make sure the group is properly populated */
+ if (beforec < L_ACTIVE || atoi(before[L_ACTIVE]) == 0) return;
+
+ gethostname(hostname, sizeof(hostname));
+ code = mr_connect(hostname);
+ if (!code) code = mr_auth("afs.incr");
+ if (code) {
+ critical_alert("incremental",
+ "Error contacting Moira server to resolve %s: %s",
+ after[L_NAME], error_message(code));
+ return;
+ }
+ av[0] = "LIST";
+ av[1] = after[L_NAME];
+ get_members(2, av, after[L_NAME]);
+
+ mr_disconnect();
return;
}
}
char **after;
int afterc;
{
- char cmd[512];
+ int code;
+ char *p;
+
+ if ((beforec < 4 || !atoi(before[LM_END])) &&
+ (afterc < 4 || !atoi(after[LM_END])))
+ return;
- if (beforec == 0 && !strcmp(after[LM_TYPE], "USER")) {
- sprintf(cmd, "%s add -user %s -group system:%s",
- prs, after[LM_MEMBER], after[LM_LIST]);
- do_cmd(cmd);
+ code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
+ if (code) {
+ critical_alert("incremental", "Couldn't initialize libprot: %s",
+ error_message(code));
return;
}
- if (afterc == 0 && !strcmp(before[LM_TYPE], "USER")) {
- sprintf(cmd, "%s remove -user %s -group system:%s",
- prs, before[LM_MEMBER], before[LM_LIST]);
- do_cmd(cmd);
- return;
+
+ if (afterc)
+ edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
+ if (beforec)
+ edit_group(0, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
+}
+
+
+get_members(ac, av, group)
+ int ac;
+ char *av[];
+ char *group;
+{
+ int code=0;
+
+ if (strcmp(av[0], "LIST")) {
+ sleep(1); /* give the ptserver room */
+ edit_group(1, group, av[0], av[1]);
+ } else {
+ code = mr_query("get_members_of_list", 1, &av[1], get_members, group);
+ if (code)
+ critical_alert("incremental",
+ "Couldn't retrieve full membership of %s: %s",
+ group, error_message(code));
}
+ return code;
}
-do_filesys(before, beforec, after, afterc)
-char **before;
-int beforec;
-char **after;
-int afterc;
+edit_group(op, group, type, member)
+ int op;
+ char *group;
+ char *type;
+ char *member;
{
- if (afterc < FS_CREATE)
- return;
- if (!strcmp("AFS", after[FS_TYPE]) &&
- !strncmp("/afs/", after[FS_PACK], 5) &&
- atoi(after[FS_CREATE]) &&
- !file_exists(after[FS_PACK])) {
- critical_alert("incremental", "unable to create locker %s",
- after[FS_PACK]);
+ char *p = 0;
+ char buf[PR_MAXNAMELEN];
+ int (*fn)();
+ int code;
+ extern long pr_AddToGroup(), pr_RemoveUserFromGroup();
+
+ fn = op ? pr_AddToGroup : pr_RemoveUserFromGroup;
+
+ /* The following KERBEROS code allows for the use of entities
+ * user@foreign_cell.
+ */
+ if (!strcmp(type, "KERBEROS")) {
+ p = index(member, '@');
+ if (p && !strcasecmp(p+1, cellname))
+ *p = 0;
+ } else if (strcmp(type, "USER"))
+ return; /* invalid type */
+
+ strcpy(buf, "system:");
+ strcat(buf, group);
+ code = (*fn)(member, buf);
+ if (code) {
+ if (op==0 && code == PRNOENT) return;
+ if (op==1 && code == PRIDEXIST) return;
+ if (strcmp(type, "KERBEROS") || code != PRNOENT) {
+ critical_alert("incremental",
+ "Couldn't %s %s %s %s: %s",
+ op ? "add" : "remove", member,
+ op ? "to" : "from", buf,
+ error_message(code));
+ }
}
+ if (p) *p = '@';
}
-do_quota(before, beforec, after, afterc)
+do_filesys(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
- char cmd[512];
-
- if (!(afterc >= Q_DIRECTORY && !strncmp("/afs", after[Q_DIRECTORY], 4)) &&
- !(beforec >= Q_DIRECTORY && !strncmp("/afs", before[Q_DIRECTORY], 4)))
- return;
- if (afterc >= Q_LOGIN && strcmp("[nobody]", after[Q_LOGIN]))
- return;
- if (afterc != 0) {
- sprintf(cmd, "%s setquota -dir %s -quota %s",
- fs, after[Q_DIRECTORY], after[Q_QUOTA]);
+ char cmd[1024];
+
+ if (beforec < FS_CREATE) {
+ if (afterc < FS_CREATE || atoi(after[FS_CREATE])==0 ||
+ strcmp(after[FS_TYPE], "AFS"))
+ return;
+
+ /* new locker creation */
+ sprintf(cmd, "%s/perl -I%s %s/afs_create.pl %s %s %s %s %s %s",
+ BIN_DIR, BIN_DIR, BIN_DIR,
+ after[FS_NAME], after[FS_L_TYPE], after[FS_MACHINE],
+ after[FS_PACK], after[FS_OWNER], after[FS_OWNERS]);
do_cmd(cmd);
return;
}
-}
-
-CREDENTIALS *get_ticket(name, instance, realm, cell)
-char *name;
-char *instance;
-char *realm;
-char *cell;
-{
- static CREDENTIALS c;
- int status;
-
- status = krb_get_svc_in_tkt(name, instance, realm,
- "krbtgt", realm, 1, KEYFILE);
- if (status != 0) {
- com_err(whoami, status+ERROR_TABLE_BASE_krb, "getting initial ticket from srvtab");
- return(NULL);
- }
- status = krb_get_cred("afs", cell, realm, &c);
- if (status != 0) {
- status = get_ad_tkt("afs", cell, realm, 255);
- if (status == 0)
- status = krb_get_cred("afs", cell, realm, &c);
- }
- if (status != 0) {
- com_err(whoami, status+ERROR_TABLE_BASE_krb, "getting service ticket");
- return(NULL);
- }
- return(&c);
+ /* What do we do? When do we use FS_CREATE?
+ *
+ * TYPE change: AFS->ERR, ERR->AFS: rename/unmount/remount
+ * LOCKERTYPE change: rename/remount
+ * PACK change: remount
+ * LABEL change: rename/remount
+ * Deletion: rename/unmount
+ */
}
-aklog(c, cell)
-CREDENTIALS *c;
-char *cell;
+do_quota(before, beforec, after, afterc)
+char **before;
+int beforec;
+char **after;
+int afterc;
{
- struct ktc_principal aserver;
- struct ktc_token atoken;
-
- atoken.kvno = c->kvno;
- strcpy(aserver.name, "afs");
- strcpy(aserver.instance, "");
- strcpy(aserver.cell, cell);
-
- atoken.startTime = c->issue_date;
- atoken.endTime = c->issue_date + (c->lifetime * 5 * 60);
- bcopy (c->session, &atoken.sessionKey, 8);
- atoken.ticketLen = c->ticket_st.length;
- bcopy (c->ticket_st.dat, atoken.ticket, atoken.ticketLen);
-
- return(ktc_SetToken(&aserver, &atoken, NULL));
-}
+ char cmd[1024];
+ if (afterc < Q_DIRECTORY || strcmp("ANY", after[Q_TYPE]) ||
+ strncmp("/afs/", after[Q_DIRECTORY], 5))
+ return;
-unlog()
-{
- ktc_ForgetToken("afs");
- dest_tkt();
+ sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
+ BIN_DIR, BIN_DIR, BIN_DIR,
+ after[Q_DIRECTORY], after[Q_QUOTA]);
+ do_cmd(cmd);
+ return;
}