*
* 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 <stdio.h>
+#include <sys/types.h>
+#include <sys/file.h>
+#include <strings.h>
+
+#include <krb.h>
#include <moira.h>
#include <moira_site.h>
-#include <sys/file.h>
+#include <afs/param.h>
+#include <afs/cellconfig.h>
+#include <afs/venus.h>
+#include <afs/ptclient.h>
+#include <afs/pterror.h>
+
+#define STOP_FILE "/moira/afs/noafs"
#define file_exists(file) (access((file), F_OK) == 0)
-char pts[64], fs[64];
+#if defined(vax) && !defined(__STDC__)
+#define volatile
+#endif
char *whoami;
+/* Main stub routines */
+int do_user();
+int do_list();
+int do_member();
+int do_filesys();
+int do_quota();
+
+/* Support stub routines */
+int run_cmd();
+int add_user_lists();
+int get_members();
+int edit_group();
+int pr_try();
+int check_afs();
+
+/* libprot.a routines */
+extern long pr_Initialize();
+extern long pr_CreateUser();
+extern long pr_CreateGroup();
+extern long pr_DeleteByID();
+extern long pr_ChangeEntry();
+extern long pr_SetFieldsEntry();
+extern long pr_AddToGroup();
+extern long pr_RemoveUserFromGroup();
+
+static char tbl_buf[1024];
+
main(argc, argv)
char **argv;
int argc;
{
int beforec, afterc, i;
char *table, **before, **after;
-#ifdef DEBUG
- char buf[1024];
-#endif
for (i = getdtablesize() - 1; i > 2; i--)
close(i);
after = &argv[4 + beforec];
whoami = argv[0];
-#ifdef DEBUG
- sprintf(buf, "%s (", table);
+ setlinebuf(stdout);
+
+ strcpy(tbl_buf, table);
+ strcat(tbl_buf, " (");
for (i = 0; i < beforec; i++) {
if (i > 0)
- strcat(buf, ",");
- strcat(buf, before[i]);
+ strcat(tbl_buf, ",");
+ strcat(tbl_buf, before[i]);
}
- strcat(buf, ")->(");
+ strcat(tbl_buf, ")->(");
for (i = 0; i < afterc; i++) {
if (i > 0)
- strcat(buf, ",");
- strcat(buf, after[i]);
+ strcat(tbl_buf, ",");
+ strcat(tbl_buf, after[i]);
}
- strcat(buf, ")\n");
- write(1,buf,strlen(buf));
+ strcat(tbl_buf, ")");
+#ifdef DEBUG
+ printf("%s\n", tbl_buf);
#endif
initialize_sms_error_table();
initialize_krb_error_table();
- sprintf(pts, "%s/pts", BIN_DIR);
- sprintf(fs, "%s/fs", BIN_DIR);
if (!strcmp(table, "users")) {
do_user(before, beforec, after, afterc);
}
-do_cmd(cmd)
-char *cmd;
-{
- int success = 0, tries = 0;
-
- while (success == 0 && tries < 3) {
- com_err(whoami, 0, "Executing command: %s", cmd);
- if (system(cmd) == 0)
- success++;
- if (!success) {
- tries++;
- sleep(5 * 60);
- }
- }
- if (!success)
- critical_alert("incremental", "failed command: %s", cmd);
-}
-
-
do_user(before, beforec, after, afterc)
char **before;
int beforec;
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;
+ char hostname[64];
+ char *av[2];
+
+ 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 createuser -name %s -id %s",
- pts, 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 -name %s", pts, 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 */
- exit(1);
+ if (astate == bstate) {
+ /* Only a modify has to be done */
+ code = pr_try(pr_ChangeEntry, before[U_NAME], after[U_NAME], 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_try(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_try(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;
+ }
- if (beforec > U_NAME && afterc > U_NAME &&
- strcmp(before[U_NAME], after[U_NAME])) {
- sprintf(cmd, "%s rename -oldname %s -newname %s",
- pts, before[U_NAME], after[U_NAME]);
- do_cmd(cmd);
+ if (bstate != 0) {
+ /* Reactivating a user; get his group list */
+ 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 retrieve grouplist of user %s: %s",
+ after[U_NAME], error_message(code));
+ return;
+ }
+ av[0] = "ruser";
+ av[1] = after[U_NAME];
+ code = mr_query("get_lists_of_member", 2, av,
+ add_user_lists, after[U_NAME]);
+ if (code && code != MR_NO_MATCH)
+ critical_alert("incremental",
+ "Couldn't retrieve membership of user %s: %s",
+ after[U_NAME], error_message(code));
+ mr_disconnect();
+ }
+ return;
}
}
-
do_list(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
- char cmd[512];
- int agid, bgid;
-
- cmd[0] = agid = bgid = 0;
- if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP]))
- bgid = atoi(before[L_GID]);
- if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP]))
- agid = atoi(after[L_GID]);
-
- if (bgid == 0 && agid != 0) {
- sprintf(cmd,
- "%s creategroup -name system:%s -owner system:administrators -id -%s",
- pts, after[L_NAME], after[L_GID]);
- do_cmd(cmd);
+ register int agid, bgid;
+ int ahide, bhide;
+ long code, id;
+ char hostname[64];
+ char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
+ char *av[2];
+
+ agid = bgid = 0;
+ if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP])) {
+ bgid = atoi(before[L_GID]);
+ bhide = atoi(before[L_HIDDEN]);
+ }
+ if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP])) {
+ agid = atoi(after[L_GID]);
+ ahide = atoi(after[L_HIDDEN]);
+ }
+
+ if (agid == 0 && bgid == 0) /* Not active groups */
+ return;
+
+ if (agid && bgid) {
+ if (strcmp(after[L_NAME], before[L_NAME])) {
+ /* Only a modify is required */
+ strcpy(g1, "system:");
+ strcpy(g2, "system:");
+ strcat(g1, before[L_NAME]);
+ strcat(g2, after[L_NAME]);
+ code = pr_try(pr_ChangeEntry, g1, g2, -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));
+ }
+ }
+ if (ahide != bhide) {
+ code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
+ (ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
+ 0 /*ngroups*/, 0 /*nusers*/);
+ if (code) {
+ critical_alert("incremental",
+ "Couldn't set flags of group %s: %s",
+ after[L_NAME], error_message(code));
+ }
+ }
return;
}
- if (agid == 0 && bgid != 0) {
- sprintf(cmd, "%s delete -name system:%s", pts, before[L_NAME]);
- do_cmd(cmd);
+ if (bgid) {
+ code = pr_try(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 == 0 && bgid == 0)
- return;
- if (strcmp(before[L_NAME], after[L_NAME])) {
- sprintf(cmd,
- "%s rename -oldname system:%s -newname system:%s",
- pts, before[L_NAME], after[L_NAME]);
- do_cmd(cmd);
+ if (agid) {
+ strcpy(g1, "system:");
+ strcat(g1, after[L_NAME]);
+ strcpy(g2, "system:administrators");
+ id = -agid;
+ code = pr_try(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;
+ }
+ if (ahide) {
+ code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
+ (ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
+ 0 /*ngroups*/, 0 /*nusers*/);
+ if (code) {
+ critical_alert("incremental",
+ "Couldn't set flags of group %s: %s",
+ after[L_NAME], error_message(code));
+ }
+ }
+
+ /* 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], *p;
-
+ 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 adduser -user %s -group system:%s",
- pts, after[LM_MEMBER], after[LM_LIST]);
- do_cmd(cmd);
- return;
- }
- if (afterc == 0 && !strcmp(before[LM_TYPE], "USER")) {
- sprintf(cmd, "%s removeuser -user %s -group system:%s",
- pts, before[LM_MEMBER], before[LM_LIST]);
- do_cmd(cmd);
- return;
- }
- if (beforec == 0 && !strcmp(after[LM_TYPE], "KERBEROS")) {
- p = index(after[LM_MEMBER], '@');
- if (p) *p = 0;
- sprintf(cmd, "%s adduser -user %s -group system:%s",
- pts, after[LM_MEMBER], after[LM_LIST]);
- do_cmd(cmd);
- return;
- }
- if (afterc == 0 && !strcmp(before[LM_TYPE], "KERBEROS")) {
- p = index(before[LM_MEMBER], '@');
- if (p) *p = 0;
- sprintf(cmd, "%s removeuser -user %s -group system:%s",
- pts, 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, before[LM_LIST], before[LM_TYPE], before[LM_MEMBER]);
}
char **after;
int afterc;
{
- char cmd[512];
+ char cmd[1024];
+ int acreate, atype, btype;
+
+ if (afterc < FS_CREATE) {
+ atype = acreate = 0;
+ } else {
+ atype = !strcmp(after[FS_TYPE], "AFS");
+ acreate = atoi(after[FS_CREATE]);
+ }
- if (afterc < FS_CREATE ||
- strcmp("AFS", after[FS_TYPE]))
- return;
if (beforec < FS_CREATE) {
+ if (acreate == 0 || atype == 0) return;
+
/* new locker creation */
- sprintf(cmd, "%s/afs_create.pl %s %s %s %s %s %s %s %s %s",
- BIN_DIR, after[FS_LABEL], after[FS_LOCKERTYPE],
- after[FS_MACHINE], after[FS_PACK], 2200, after[FS_OWNER],
- 0, after[FS_OWNERS], 0);
- do_cmd(cmd);
+ 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]);
+ run_cmd(cmd);
+ return;
+ }
+
+ btype = !strcmp(before[FS_TYPE], "AFS");
+ if (afterc < FS_CREATE) {
+ if (btype)
+ critical_alert("incremental",
+ "Cannot delete AFS filesystem %s: Operation not supported",
+ before[FS_NAME]);
return;
- } else if (strcmp(before[FS_TYPE], "AFS")) {
- /* moved from non-AFS */
- } else {
- /* other modification */
- !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]);
}
+
+ if (!acreate)
+ return;
+
+ /* Are we dealing with AFS lockers (could be type ERR lockers) */
+ if (!atype && !btype)
+ if (strcmp(before[FS_TYPE], "ERR") || strcmp(after[FS_TYPE], "ERR"))
+ return;
+
+ /* By now, we know we are simply changing AFS filesystem attributes.
+ * Operations supported:
+ * Name change: rename/remount
+ * Path change: remount
+ * Type change: ERR<-->AFS
+ */
+
+#if 0
+ if (strcmp(before[FS_OWNER], after[FS_OWNER]) ||
+ strcmp(before[FS_OWNERS], after[FS_OWNERS]))
+ {
+ critical_alert("incremental",
+ "Cannot change ownership of filesystem %s: Operation not yet supported",
+ after[FS_NAME]);
+ }
+#endif
+
+ sprintf(cmd, "%s/perl -I%s %s/afs_rename.pl %s %s %s %s %s %s %s %s %s %s",
+ BIN_DIR, BIN_DIR, BIN_DIR,
+ before[FS_NAME], before[FS_MACHINE], before[FS_TYPE],
+ before[FS_L_TYPE], before[FS_PACK],
+ after[FS_NAME], after[FS_MACHINE], after[FS_TYPE],
+ after[FS_L_TYPE], after[FS_PACK]);
+ run_cmd(cmd);
}
char **after;
int afterc;
{
- char cmd[512];
+ char cmd[1024];
if (afterc < Q_DIRECTORY || strcmp("ANY", after[Q_TYPE]) ||
- strncmp("/afs", after[Q_DIRECTORY], 4))
- return;
+ strncmp("/afs/", after[Q_DIRECTORY], 5))
+ return;
- sprintf(cmd, "%s setquota -dir %s -max %s", fs,
+ 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);
+ run_cmd(cmd);
return;
}
+
+
+run_cmd(cmd)
+char *cmd;
+{
+ int success=0, tries=0;
+
+ check_afs();
+
+ while (success == 0 && tries < 2) {
+ if (tries++)
+ sleep(90);
+ com_err(whoami, 0, "Executing command: %s", cmd);
+ if (system(cmd) == 0)
+ success++;
+ }
+ if (!success)
+ critical_alert("incremental", "failed command: %s", cmd);
+}
+
+
+add_user_lists(ac, av, user)
+ int ac;
+ char *av[];
+ char *user;
+{
+ if (atoi(av[5]))
+ edit_group(1, av[0], "USER", user);
+}
+
+
+get_members(ac, av, group)
+ int ac;
+ char *av[];
+ char *group;
+{
+ int code=0;
+
+ if (strcmp(av[0], "LIST")) {
+ edit_group(1, group, av[0], av[1]);
+ } else {
+ code = mr_query("get_end_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;
+}
+
+
+edit_group(op, group, type, member)
+ int op;
+ char *group;
+ char *type;
+ char *member;
+{
+ char *p = 0;
+ char buf[PR_MAXNAMELEN];
+ int code;
+ static char local_realm[REALM_SZ+1] = "";
+
+ /* The following KERBEROS code allows for the use of entities
+ * user@foreign_cell.
+ */
+ if (!local_realm[0])
+ krb_get_lrealm(local_realm, 1);
+ if (!strcmp(type, "KERBEROS")) {
+ p = index(member, '@');
+ if (p && !strcasecmp(p+1, local_realm))
+ *p = 0;
+ } else if (strcmp(type, "USER"))
+ return; /* invalid type */
+
+ strcpy(buf, "system:");
+ strcat(buf, group);
+ code=pr_try(op ? pr_AddToGroup : pr_RemoveUserFromGroup, 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));
+ }
+ }
+}
+
+
+long pr_try(fn, a1, a2, a3, a4, a5, a6, a7, a8)
+ long (*fn)();
+ char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
+{
+ static int initd=0;
+ volatile register long code;
+ register int tries = 0;
+#ifdef DEBUG
+ char fname[64];
+#endif
+
+ check_afs();
+
+ if (!initd) {
+ code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
+ if (code) {
+ critical_alert("incremental", "Couldn't initialize libprot: %s",
+ error_message(code));
+ return;
+ }
+ initd = 1;
+ }
+ sleep(1); /* give ptserver room */
+
+ while (code = (*fn)(a1, a2, a3, a4, a5, a6, a7, a8)) {
+#ifdef DEBUG
+ long t;
+ t = time(0);
+ if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
+ else if (fn == pr_RemoveUserFromGroup)
+ strcpy(fname, "pr_RemoveUserFromGroup");
+ else if (fn == pr_CreateUser) strcpy(fname, "pr_CreateUser");
+ else if (fn == pr_CreateGroup) strcpy(fname, "pr_CreateGroup");
+ else if (fn == pr_DeleteByID) strcpy(fname, "pr_DeleteByID");
+ else if (fn == pr_ChangeEntry) strcpy(fname, "pr_ChangeEntry");
+ else if (fn == pr_SetFieldsEntry) strcpy(fname, "pr_SetFieldsEntry");
+ else if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
+ else
+ sprintf(fname, "pr_??? (0x%08x)", (long)fn);
+
+ com_err(whoami, code, "- %s failed (try %d @%u)", fname, tries+1, t);
+#endif
+ if (++tries > 2) break; /* 3 tries */
+
+ if (code == UNOQUORUM) sleep(90);
+ else sleep(15);
+
+ /* Re-initialize the prdb connection */
+ code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
+ if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
+ if (code) {
+ critical_alert("incremental", "Couldn't re-initialize libprot: %s",
+ error_message(code));
+ initd = 0; /* we lost */
+ break;
+ }
+ }
+ return code;
+}
+
+
+check_afs()
+{
+ int i;
+
+ for (i=0; file_exists(STOP_FILE); i++) {
+ if (i > 30) {
+ critical_alert("incremental",
+ "AFS incremental failed (%s exists): %s",
+ STOP_FILE, tbl_buf);
+ exit(1);
+ }
+ sleep(60);
+ }
+}
andersk / moira.git / blobdiff