[moira.git] / incremental / afs.c

/* $Header$
 *
 * Do AFS incremental updates
 *
 * 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 <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)

#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 add_list_members();
int check_user();
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];
static struct member {
	int op;
	char list[33];
	char type[9];
	char member[129];
	struct member *next;
} *member_head = 0;

static int mr_connections=0;

main(argc, argv)
char **argv;
int argc;
{
    int beforec, afterc, i;
    char *table, **before, **after;

    for (i = getdtablesize() - 1; i > 2; i--)
      close(i);

    whoami = ((whoami = rindex(argv[0], '/')) ? whoami++ : argv[0]);

    table = argv[1];
    beforec = atoi(argv[2]);
    before = &argv[4];
    afterc = atoi(argv[3]);
    after = &argv[4 + beforec];

    setlinebuf(stdout);

    strcpy(tbl_buf, table);
    strcat(tbl_buf, " (");
    for (i = 0; i < beforec; i++) {
	if (i > 0)
	  strcat(tbl_buf, ",");
	strcat(tbl_buf, before[i]);
    }
    strcat(tbl_buf, ")->(");
    for (i = 0; i < afterc; i++) {
	if (i > 0)
	  strcat(tbl_buf, ",");
	strcat(tbl_buf, after[i]);
    }
    strcat(tbl_buf, ")");
#ifdef DEBUG
    com_err(whoami, 0, "%s", tbl_buf);
#endif

    initialize_sms_error_table();
    initialize_krb_error_table();

    if (!strcmp(table, "users")) {
	do_user(before, beforec, after, afterc);
    } else if (!strcmp(table, "list")) {
	do_list(before, beforec, after, afterc);
    } else if (!strcmp(table, "members")) {
	do_member(before, beforec, after, afterc);
    } else if (!strcmp(table, "filesys")) {
	do_filesys(before, beforec, after, afterc);
    } else if (!strcmp(table, "quota")) {
	do_quota(before, beforec, after, afterc);
    }
    exit(0);
}


do_user(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    int astate, bstate, auid, buid, code;
    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)		/* inactive user */
	return;

    if (astate == bstate && auid == buid && 
	!strcmp(before[U_NAME], after[U_NAME]))
	/* No AFS related attributes have changed */
	return;

    if (astate == bstate) {
	/* Only a modify has to be done */
	com_err(whoami, 0, "Changing user %s (uid %d) to %s (uid %d)",
	       before[U_NAME], buid, after[U_NAME], auid);

	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) {
	com_err(whoami, 0, "Deleting user %s (uid %d)",
	       before[U_NAME], buid);

	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) {
	com_err(whoami, 0, "%s user %s (uid %d)",
	       ((bstate != 0) ? "Reactivating" : "Creating"),
	       after[U_NAME], auid);
	
	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 (bstate != 0) {
	    /* Reactivating a user; get his group list */
	    code = moira_connect();
	    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));
	    moira_disconnect();
	}
	return;
    }
}


do_list(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    register int agid, bgid;
    int ahide, bhide;
    long code, id;
    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]);

	    com_err(whoami, 0, "Changing group %s (gid %d) to %s (gid %d)",
		   before[L_NAME], bgid, after[L_NAME], agid);

	    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) {
	    com_err(whoami, 0, "Making group %s (gid %d) %s",
		   after[L_NAME], agid,
		   (ahide ? "hidden" : "visible"));
	    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 (bgid) {
	com_err(whoami, 0, "Deleting group %s (gid %d)",
	       before[L_NAME], 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) {
	strcpy(g1, "system:");
	strcat(g1, after[L_NAME]);
	strcpy(g2, "system:administrators");
	id = -agid;
	com_err(whoami, 0, "Creating %s group %s (gid %d)",
	       (ahide ? "hidden" : "visible"), after[L_NAME], 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) return;

	code = moira_connect();
	if (code) {
	    critical_alert("incremental",
			   "Error contacting Moira server to resolve %s: %s",
			   after[L_NAME], error_message(code));
	    return;
	}
	av[0] = after[L_NAME];
	code = mr_query("get_end_members_of_list", 1, av,
			add_list_members, after[L_NAME]);
	if (code)
	    critical_alert("incremental",
			   "Couldn't retrieve full membership of list %s: %s",
			   after[L_NAME], error_message(code));
	moira_disconnect();
	return;
    }
}


#define LM_EXTRA_ACTIVE	  (LM_END)
#define LM_EXTRA_PUBLIC   (LM_END+1)
#define LM_EXTRA_HIDDEN   (LM_END+2)
#define LM_EXTRA_MAILLIST (LM_END+3)
#define LM_EXTRA_GROUP    (LM_END+4)
#define LM_EXTRA_GID      (LM_END+5)
#define LM_EXTRA_END      (LM_END+6)

#define LM_EXTRA_OLD_GROUP (LM_END)
#define LM_EXTRA_OLD_END   (LM_END+1)

do_member(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    int code;
    char *p;

    if (afterc) {
 	if (afterc < LM_EXTRA_OLD_END) {
 	    return;
 	} else if (afterc < LM_EXTRA_END) {
 	    if (!atoi(after[LM_EXTRA_OLD_GROUP])) return;
 	} else
	  if (!atoi(after[LM_EXTRA_ACTIVE]) && !atoi(after[LM_EXTRA_GROUP]))
	    return;
 	
  	edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
    } else if (beforec) {
 	if (beforec < LM_EXTRA_OLD_END) {
 	    return;
 	} else if (beforec < LM_EXTRA_END) {
 	    if (!atoi(before[LM_EXTRA_OLD_GROUP])) return;
 	} else
	  if (!atoi(before[LM_EXTRA_ACTIVE]) && !atoi(before[LM_EXTRA_GROUP]))
	    return;
	edit_group(0, before[LM_LIST], before[LM_TYPE], before[LM_MEMBER]);
    }
}


do_filesys(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    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 (beforec < FS_CREATE) {
	if (acreate == 0 || atype == 0) 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]);
	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;
    }

    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);
}


do_quota(before, beforec, after, afterc)
char **before;
int beforec;
char **after;
int afterc;
{
    char cmd[1024];

    if (afterc < Q_DIRECTORY || strcmp("ANY", after[Q_TYPE]) ||
	strncmp("/afs/", after[Q_DIRECTORY], 5))
	return;

    sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
	    BIN_DIR, BIN_DIR, BIN_DIR,
	    after[Q_DIRECTORY], after[Q_QUOTA]);
    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[L_ACTIVE]) && atoi(av[L_GROUP]))	/* active group ? */
	edit_group(1, av[L_NAME], "USER", user);
    return 0;
}


add_list_members(ac, av, group)
    int ac;
    char *av[];
    char *group;
{
    edit_group(1, group, av[0], av[1]);
    return 0;
}


check_user(ac, av, ustate)
    int ac;
    char *av[];
    int *ustate;
{
    *ustate = atoi(av[U_STATE]);
    return 0;
}


edit_group(op, group, type, member)
    int op;
    char *group;
    char *type;
    char *member;
{
    char *p = 0;
    char buf[PR_MAXNAMELEN];
    int code, ustate;
    static char local_realm[REALM_SZ+1] = "";
    struct member *m;

    /* 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 */

    /* Cannot risk doing another query during a callback */
    /* We could do this simply for type USER, but eventually this may also
     * dynamically add KERBEROS types to the prdb, and we will need to do
     * a query to look up the uid of the null-instance user */
    if (mr_connections) {
	m = (struct member *)malloc(sizeof(struct member));
	if (!m) {
	    critical_alert("incremental", "Out of memory");
	    exit(1);
	}
	m->op = op;
	strcpy(m->list, group);
	strcpy(m->type, type);
	strcpy(m->member, member);
	m->next = member_head;
	member_head = m;
	return;
    }

    strcpy(buf, "system:");
    strcat(buf, group);
    com_err(whoami, 0, "%s %s %s group %s",
	   (op ? "Adding" : "Removing"), member,
	   (op ? "to" : "from"), group);
    code = 0;
    code=pr_try(op ? pr_AddToGroup : pr_RemoveUserFromGroup, member, buf);
    if (code) {
	if (op==1 && code == PRIDEXIST) return;	/* Already added */

	if (code == PRNOENT) {			/* Something is missing */
	    if (op==0) return;			/* Already deleted */
	    if (!strcmp(type, "KERBEROS"))	/* Special instances; ok */
		return;

	    /* Check whether the member being added is an active user */
	    code = moira_connect();
	    if (!code) code = mr_query("get_user_by_login", 1, &member,
				       check_user, &ustate);
	    if (code) {
		critical_alert("incremental",
			       "Error contacting Moira server to lookup user %s: %s",
			       member, error_message(code));
	    }

	    /* We don't use moira_disconnect()
	     * because we may already be in the routine.
	     */
	    mr_disconnect();
	    mr_connections--;

	    if (!code && ustate!=1 && ustate!=2) return; /* inactive user */
	    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(0, AFSCONF_CLIENTNAME, 0);
    } else {
	code = 0;
	initd = 1;
    }
    if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
    if (code) {
	critical_alert("incremental", "Couldn't initialize libprot: %s",
		       error_message(code));
	return;
    }

    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);
    }
}


moira_connect()
{
    static char hostname[64];
    long code;

    if (!mr_connections++) {
#ifdef DEBUG
	code = mr_connect("moira");
#else
	gethostname(hostname, sizeof(hostname));
	code = mr_connect(hostname);
#endif
	if (!code) code = mr_auth("afs.incr");
	return code;    
    }
    return 0;
}

moira_disconnect()
{
    struct member *m;
    
    if (!--mr_connections) {
	mr_disconnect();
	while(m = member_head) {
	    edit_group(m->op, m->list, m->type, m->member);
	    member_head = m->next;
	    free(m);
	}
    }
    return 0;
}
Commit	Line	Data
fb8809f4	1	/* $Header$
	2	*
	3	* Do AFS incremental updates
	4	*
60c22e5f	5	* Copyright (C) 1989,1992 by the Massachusetts Institute of Technology
fb8809f4	6	* for copying and distribution information, please see the file
	7	* <mit-copyright.h>.
	8	*/
	9
16838ad1	10	#include <stdio.h>
60c22e5f	11	#include <sys/types.h>
	12	#include <sys/file.h>
	13	#include <strings.h>
	14
d1be2e3a	15	#include <krb.h>
2ce085d2	16	#include <moira.h>
2ce085d2	17	#include <moira_site.h>
f633445d	18
60c22e5f	19	#include <afs/param.h>
	20	#include <afs/cellconfig.h>
	21	#include <afs/venus.h>
	22	#include <afs/ptclient.h>
	23	#include <afs/pterror.h>
fb8809f4	24
d1be2e3a	25	#define STOP_FILE "/moira/afs/noafs"
60c22e5f	26	#define file_exists(file) (access((file), F_OK) == 0)
fb8809f4	27
16838ad1	28	#if defined(vax) && !defined(__STDC__)
	29	#define volatile
	30	#endif
	31
fb8809f4	32	char *whoami;
fb8809f4	33
eb63ae5f	34	/* Main stub routines */
	35	int do_user();
	36	int do_list();
	37	int do_member();
	38	int do_filesys();
	39	int do_quota();
	40
	41	/* Support stub routines */
	42	int run_cmd();
	43	int add_user_lists();
063819ef	44	int add_list_members();
c69d9f2c	45	int check_user();
eb63ae5f	46	int edit_group();
	47	int pr_try();
	48	int check_afs();
	49
	50	/* libprot.a routines */
	51	extern long pr_Initialize();
	52	extern long pr_CreateUser();
	53	extern long pr_CreateGroup();
	54	extern long pr_DeleteByID();
	55	extern long pr_ChangeEntry();
	56	extern long pr_SetFieldsEntry();
	57	extern long pr_AddToGroup();
	58	extern long pr_RemoveUserFromGroup();
	59
	60	static char tbl_buf[1024];
2cb1f02c	61	static struct member {
	62	int op;
	63	char list[33];
	64	char type[9];
	65	char member[129];
	66	struct member *next;
	67	} *member_head = 0;
	68
	69	static int mr_connections=0;
eb63ae5f	70
fb8809f4	71	main(argc, argv)
	72	char **argv;
	73	int argc;
	74	{
a7fdf2de	75	int beforec, afterc, i;
fb8809f4	76	char table, before, *after;
fb8809f4	77
a7fdf2de	78	for (i = getdtablesize() - 1; i > 2; i--)
	79	close(i);
	80
d4ea75d6	81	whoami = ((whoami = rindex(argv[0], '/')) ? whoami++ : argv[0]);
d4ea75d6	82
fb8809f4	83	table = argv[1];
	84	beforec = atoi(argv[2]);
	85	before = &argv[4];
	86	afterc = atoi(argv[3]);
	87	after = &argv[4 + beforec];
f10e3ca2	88
eb63ae5f	89	setlinebuf(stdout);
	90
	91	strcpy(tbl_buf, table);
	92	strcat(tbl_buf, " (");
810d12a7	93	for (i = 0; i < beforec; i++) {
810d12a7	94	if (i > 0)
eb63ae5f	95	strcat(tbl_buf, ",");
eb63ae5f	96	strcat(tbl_buf, before[i]);
810d12a7	97	}
eb63ae5f	98	strcat(tbl_buf, ")->(");
810d12a7	99	for (i = 0; i < afterc; i++) {
810d12a7	100	if (i > 0)
eb63ae5f	101	strcat(tbl_buf, ",");
eb63ae5f	102	strcat(tbl_buf, after[i]);
810d12a7	103	}
eb63ae5f	104	strcat(tbl_buf, ")");
d1be2e3a	105	#ifdef DEBUG
92d359ba	106	com_err(whoami, 0, "%s", tbl_buf);
810d12a7	107	#endif
810d12a7	108
fb8809f4	109	initialize_sms_error_table();
	110	initialize_krb_error_table();
	111
	112	if (!strcmp(table, "users")) {
	113	do_user(before, beforec, after, afterc);
	114	} else if (!strcmp(table, "list")) {
	115	do_list(before, beforec, after, afterc);
	116	} else if (!strcmp(table, "members")) {
	117	do_member(before, beforec, after, afterc);
	118	} else if (!strcmp(table, "filesys")) {
	119	do_filesys(before, beforec, after, afterc);
1f377b55	120	} else if (!strcmp(table, "quota")) {
fb8809f4	121	do_quota(before, beforec, after, afterc);
fb8809f4	122	}
fb8809f4	123	exit(0);
	124	}
	125
	126
fb8809f4	127	do_user(before, beforec, after, afterc)
	128	char **before;
	129	int beforec;
	130	char **after;
	131	int afterc;
	132	{
eb63ae5f	133	int astate, bstate, auid, buid, code;
9b273918	134	char *av[2];
60c22e5f	135
	136	auid = buid = astate = bstate = 0;
	137	if (afterc > U_STATE) astate = atoi(after[U_STATE]);
	138	if (beforec > U_STATE) bstate = atoi(before[U_STATE]);
	139	if (afterc > U_UID) auid = atoi(after[U_UID]);
	140	if (beforec > U_UID) buid = atoi(before[U_UID]);
	141
	142	/* We consider "half-registered" users to be active */
810d12a7	143	if (astate == 2) astate = 1;
810d12a7	144	if (bstate == 2) bstate = 1;
fb8809f4	145
60c22e5f	146	if (astate != 1 && bstate != 1) /* inactive user */
fb8809f4	147	return;
60c22e5f	148
	149	if (astate == bstate && auid == buid &&
	150	!strcmp(before[U_NAME], after[U_NAME]))
	151	/* No AFS related attributes have changed */
fb8809f4	152	return;
fb8809f4	153
60c22e5f	154	if (astate == bstate) {
60c22e5f	155	/* Only a modify has to be done */
92d359ba	156	com_err(whoami, 0, "Changing user %s (uid %d) to %s (uid %d)",
	157	before[U_NAME], buid, after[U_NAME], auid);
	158
eb63ae5f	159	code = pr_try(pr_ChangeEntry, before[U_NAME], after[U_NAME], auid, "");
60c22e5f	160	if (code) {
	161	critical_alert("incremental",
	162	"Couldn't change user %s (id %d) to %s (id %d): %s",
	163	before[U_NAME], buid, after[U_NAME], auid,
	164	error_message(code));
	165	}
	166	return;
	167	}
	168	if (bstate == 1) {
92d359ba	169	com_err(whoami, 0, "Deleting user %s (uid %d)",
	170	before[U_NAME], buid);
	171
eb63ae5f	172	code = pr_try(pr_DeleteByID, buid);
60c22e5f	173	if (code && code != PRNOENT) {
	174	critical_alert("incremental",
	175	"Couldn't delete user %s (id %d): %s",
	176	before[U_NAME], buid, error_message(code));
	177	}
	178	return;
	179	}
	180	if (astate == 1) {
92d359ba	181	com_err(whoami, 0, "%s user %s (uid %d)",
	182	((bstate != 0) ? "Reactivating" : "Creating"),
	183	after[U_NAME], auid);
	184
eb63ae5f	185	code = pr_try(pr_CreateUser, after[U_NAME], &auid);
60c22e5f	186	if (code) {
	187	critical_alert("incremental",
	188	"Couldn't create user %s (id %d): %s",
	189	after[U_NAME], auid, error_message(code));
96786144	190	return;
60c22e5f	191	}
2dbcb756	192
0f82335a	193	if (bstate != 0) {
9b273918	194	/* Reactivating a user; get his group list */
14d69e25	195	code = moira_connect();
9b273918	196	if (code) {
	197	critical_alert("incremental",
	198	"Error contacting Moira server to retrieve grouplist of user %s: %s",
	199	after[U_NAME], error_message(code));
	200	return;
	201	}
2dbcb756	202	av[0] = "ruser";
9b273918	203	av[1] = after[U_NAME];
	204	code = mr_query("get_lists_of_member", 2, av,
	205	add_user_lists, after[U_NAME]);
b80d6d78	206	if (code && code != MR_NO_MATCH)
9b273918	207	critical_alert("incremental",
	208	"Couldn't retrieve membership of user %s: %s",
	209	after[U_NAME], error_message(code));
14d69e25	210	moira_disconnect();
9b273918	211	}
60c22e5f	212	return;
fb8809f4	213	}
	214	}
	215
	216
fb8809f4	217	do_list(before, beforec, after, afterc)
	218	char **before;
	219	int beforec;
	220	char **after;
	221	int afterc;
	222	{
8ec23c21	223	register int agid, bgid;
eb63ae5f	224	int ahide, bhide;
60c22e5f	225	long code, id;
60c22e5f	226	char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
ed9a5300	227	char *av[2];
fb8809f4	228
60c22e5f	229	agid = bgid = 0;
8ec23c21	230	if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP])) {
60c22e5f	231	bgid = atoi(before[L_GID]);
8ec23c21	232	bhide = atoi(before[L_HIDDEN]);
	233	}
	234	if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP])) {
60c22e5f	235	agid = atoi(after[L_GID]);
8ec23c21	236	ahide = atoi(after[L_HIDDEN]);
8ec23c21	237	}
fb8809f4	238
60c22e5f	239	if (agid == 0 && bgid == 0) /* Not active groups */
60c22e5f	240	return;
60c22e5f	241
60c22e5f	242	if (agid && bgid) {
8ec23c21	243	if (strcmp(after[L_NAME], before[L_NAME])) {
	244	/* Only a modify is required */
	245	strcpy(g1, "system:");
	246	strcpy(g2, "system:");
	247	strcat(g1, before[L_NAME]);
	248	strcat(g2, after[L_NAME]);
92d359ba	249
	250	com_err(whoami, 0, "Changing group %s (gid %d) to %s (gid %d)",
	251	before[L_NAME], bgid, after[L_NAME], agid);
	252
eb63ae5f	253	code = pr_try(pr_ChangeEntry, g1, g2, -agid, "");
8ec23c21	254	if (code) {
	255	critical_alert("incremental",
	256	"Couldn't change group %s (id %d) to %s (id %d): %s",
	257	before[L_NAME], -bgid, after[L_NAME], -agid,
	258	error_message(code));
	259	}
	260	}
	261	if (ahide != bhide) {
92d359ba	262	com_err(whoami, 0, "Making group %s (gid %d) %s",
	263	after[L_NAME], agid,
	264	(ahide ? "hidden" : "visible"));
eb63ae5f	265	code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
	266	(ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
	267	0 /ngroups/, 0 /nusers/);
8ec23c21	268	if (code) {
	269	critical_alert("incremental",
	270	"Couldn't set flags of group %s: %s",
	271	after[L_NAME], error_message(code));
	272	}
60c22e5f	273	}
fb8809f4	274	return;
fb8809f4	275	}
60c22e5f	276	if (bgid) {
92d359ba	277	com_err(whoami, 0, "Deleting group %s (gid %d)",
92d359ba	278	before[L_NAME], bgid);
eb63ae5f	279	code = pr_try(pr_DeleteByID, -bgid);
60c22e5f	280	if (code && code != PRNOENT) {
	281	critical_alert("incremental",
	282	"Couldn't delete group %s (id %d): %s",
	283	before[L_NAME], -bgid, error_message(code));
	284	}
fb8809f4	285	return;
fb8809f4	286	}
60c22e5f	287	if (agid) {
	288	strcpy(g1, "system:");
	289	strcat(g1, after[L_NAME]);
	290	strcpy(g2, "system:administrators");
	291	id = -agid;
92d359ba	292	com_err(whoami, 0, "Creating %s group %s (gid %d)",
92d359ba	293	(ahide ? "hidden" : "visible"), after[L_NAME], agid);
eb63ae5f	294	code = pr_try(pr_CreateGroup, g1, g2, &id);
60c22e5f	295	if (code) {
	296	critical_alert("incremental",
	297	"Couldn't create group %s (id %d): %s",
ed9a5300	298	after[L_NAME], id, error_message(code));
60c22e5f	299	return;
60c22e5f	300	}
8ec23c21	301	if (ahide) {
eb63ae5f	302	code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
	303	(ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
	304	0 /ngroups/, 0 /nusers/);
8ec23c21	305	if (code) {
	306	critical_alert("incremental",
	307	"Couldn't set flags of group %s: %s",
	308	after[L_NAME], error_message(code));
	309	}
	310	}
60c22e5f	311
60c22e5f	312	/* We need to make sure the group is properly populated */
c69d9f2c	313	if (beforec < L_ACTIVE) return;
60c22e5f	314
14d69e25	315	code = moira_connect();
ed9a5300	316	if (code) {
	317	critical_alert("incremental",
	318	"Error contacting Moira server to resolve %s: %s",
	319	after[L_NAME], error_message(code));
	320	return;
	321	}
cdf6674b	322	av[0] = after[L_NAME];
cdf6674b	323	code = mr_query("get_end_members_of_list", 1, av,
063819ef	324	add_list_members, after[L_NAME]);
	325	if (code)
	326	critical_alert("incremental",
	327	"Couldn't retrieve full membership of list %s: %s",
	328	after[L_NAME], error_message(code));
14d69e25	329	moira_disconnect();
ed9a5300	330	return;
60c22e5f	331	}
fb8809f4	332	}
	333
	334
f2cf09f5	335
	336	#define LM_EXTRA_ACTIVE (LM_END)
	337	#define LM_EXTRA_PUBLIC (LM_END+1)
	338	#define LM_EXTRA_HIDDEN (LM_END+2)
	339	#define LM_EXTRA_MAILLIST (LM_END+3)
	340	#define LM_EXTRA_GROUP (LM_END+4)
	341	#define LM_EXTRA_GID (LM_END+5)
	342	#define LM_EXTRA_END (LM_END+6)
	343
	344	#define LM_EXTRA_OLD_GROUP (LM_END)
	345	#define LM_EXTRA_OLD_END (LM_END+1)
	346
fb8809f4	347	do_member(before, beforec, after, afterc)
	348	char **before;
	349	int beforec;
	350	char **after;
	351	int afterc;
	352	{
60c22e5f	353	int code;
60c22e5f	354	char *p;
60c22e5f	355
f2cf09f5	356	if (afterc) {
	357	if (afterc < LM_EXTRA_OLD_END) {
	358	return;
	359	} else if (afterc < LM_EXTRA_END) {
	360	if (!atoi(after[LM_EXTRA_OLD_GROUP])) return;
	361	} else
	362	if (!atoi(after[LM_EXTRA_ACTIVE]) && !atoi(after[LM_EXTRA_GROUP]))
	363	return;
	364
	365	edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
	366	} else if (beforec) {
	367	if (beforec < LM_EXTRA_OLD_END) {
	368	return;
	369	} else if (beforec < LM_EXTRA_END) {
	370	if (!atoi(before[LM_EXTRA_OLD_GROUP])) return;
	371	} else
	372	if (!atoi(before[LM_EXTRA_ACTIVE]) && !atoi(before[LM_EXTRA_GROUP]))
	373	return;
e9f07a3b	374	edit_group(0, before[LM_LIST], before[LM_TYPE], before[LM_MEMBER]);
f2cf09f5	375	}
ed9a5300	376	}
	377
	378
eb63ae5f	379	do_filesys(before, beforec, after, afterc)
	380	char **before;
	381	int beforec;
	382	char **after;
	383	int afterc;
	384	{
	385	char cmd[1024];
89e513d9	386	int acreate, atype, btype;
	387
	388	if (afterc < FS_CREATE) {
	389	atype = acreate = 0;
	390	} else {
	391	atype = !strcmp(after[FS_TYPE], "AFS");
	392	acreate = atoi(after[FS_CREATE]);
	393	}
	394
eb63ae5f	395	if (beforec < FS_CREATE) {
89e513d9	396	if (acreate == 0 \|\| atype == 0) return;
eb63ae5f	397
	398	/* new locker creation */
	399	sprintf(cmd, "%s/perl -I%s %s/afs_create.pl %s %s %s %s %s %s",
	400	BIN_DIR, BIN_DIR, BIN_DIR,
	401	after[FS_NAME], after[FS_L_TYPE], after[FS_MACHINE],
	402	after[FS_PACK], after[FS_OWNER], after[FS_OWNERS]);
	403	run_cmd(cmd);
	404	return;
	405	}
89e513d9	406
89e513d9	407	btype = !strcmp(before[FS_TYPE], "AFS");
eb63ae5f	408	if (afterc < FS_CREATE) {
89e513d9	409	if (btype)
eb63ae5f	410	critical_alert("incremental",
3b1e9c5f	411	"Cannot delete AFS filesystem %s: Operation not supported",
eb63ae5f	412	before[FS_NAME]);
eb63ae5f	413	return;
eb63ae5f	414	}
3b1e9c5f	415
	416	if (!acreate)
	417	return;
	418
	419	/* Are we dealing with AFS lockers (could be type ERR lockers) */
	420	if (!atype && !btype)
	421	if (strcmp(before[FS_TYPE], "ERR") \|\| strcmp(after[FS_TYPE], "ERR"))
	422	return;
	423
	424	/* By now, we know we are simply changing AFS filesystem attributes.
	425	* Operations supported:
	426	* Name change: rename/remount
	427	* Path change: remount
	428	* Type change: ERR<-->AFS
	429	*/
0f82335a	430
0f82335a	431	#if 0
3b1e9c5f	432	if (strcmp(before[FS_OWNER], after[FS_OWNER]) \|\|
3ae9c0f3	433	strcmp(before[FS_OWNERS], after[FS_OWNERS]))
3b1e9c5f	434	{
	435	critical_alert("incremental",
	436	"Cannot change ownership of filesystem %s: Operation not yet supported",
	437	after[FS_NAME]);
	438	}
0f82335a	439	#endif
3b1e9c5f	440
	441	sprintf(cmd, "%s/perl -I%s %s/afs_rename.pl %s %s %s %s %s %s %s %s %s %s",
	442	BIN_DIR, BIN_DIR, BIN_DIR,
3ae9c0f3	443	before[FS_NAME], before[FS_MACHINE], before[FS_TYPE],
3b1e9c5f	444	before[FS_L_TYPE], before[FS_PACK],
3ae9c0f3	445	after[FS_NAME], after[FS_MACHINE], after[FS_TYPE],
3b1e9c5f	446	after[FS_L_TYPE], after[FS_PACK]);
3b1e9c5f	447	run_cmd(cmd);
eb63ae5f	448	}
	449
	450
	451	do_quota(before, beforec, after, afterc)
	452	char **before;
	453	int beforec;
	454	char **after;
	455	int afterc;
	456	{
	457	char cmd[1024];
	458
	459	if (afterc < Q_DIRECTORY \|\| strcmp("ANY", after[Q_TYPE]) \|\|
	460	strncmp("/afs/", after[Q_DIRECTORY], 5))
	461	return;
	462
	463	sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
	464	BIN_DIR, BIN_DIR, BIN_DIR,
	465	after[Q_DIRECTORY], after[Q_QUOTA]);
	466	run_cmd(cmd);
	467	return;
	468	}
	469
	470
	471	run_cmd(cmd)
	472	char *cmd;
	473	{
	474	int success=0, tries=0;
	475
	476	check_afs();
	477
	478	while (success == 0 && tries < 2) {
	479	if (tries++)
	480	sleep(90);
	481	com_err(whoami, 0, "Executing command: %s", cmd);
	482	if (system(cmd) == 0)
	483	success++;
	484	}
	485	if (!success)
	486	critical_alert("incremental", "failed command: %s", cmd);
	487	}
	488
	489
	490	add_user_lists(ac, av, user)
	491	int ac;
	492	char *av[];
	493	char *user;
	494	{
2cb1f02c	495	if (atoi(av[L_ACTIVE]) && atoi(av[L_GROUP])) /* active group ? */
2cb1f02c	496	edit_group(1, av[L_NAME], "USER", user);
d4ea75d6	497	return 0;
eb63ae5f	498	}
	499
	500
063819ef	501	add_list_members(ac, av, group)
ed9a5300	502	int ac;
	503	char *av[];
	504	char *group;
	505	{
063819ef	506	edit_group(1, group, av[0], av[1]);
d4ea75d6	507	return 0;
ed9a5300	508	}
	509
	510
c69d9f2c	511	check_user(ac, av, ustate)
	512	int ac;
	513	char *av[];
	514	int *ustate;
	515	{
2cb1f02c	516	*ustate = atoi(av[U_STATE]);
d4ea75d6	517	return 0;
c69d9f2c	518	}
	519
	520
ed9a5300	521	edit_group(op, group, type, member)
	522	int op;
	523	char *group;
	524	char *type;
	525	char *member;
	526	{
	527	char *p = 0;
	528	char buf[PR_MAXNAMELEN];
c69d9f2c	529	int code, ustate;
d1be2e3a	530	static char local_realm[REALM_SZ+1] = "";
2cb1f02c	531	struct member *m;
ed9a5300	532
60c22e5f	533	/* The following KERBEROS code allows for the use of entities
	534	* user@foreign_cell.
	535	*/
d1be2e3a	536	if (!local_realm[0])
d1be2e3a	537	krb_get_lrealm(local_realm, 1);
ed9a5300	538	if (!strcmp(type, "KERBEROS")) {
ed9a5300	539	p = index(member, '@');
d1be2e3a	540	if (p && !strcasecmp(p+1, local_realm))
60c22e5f	541	*p = 0;
ed9a5300	542	} else if (strcmp(type, "USER"))
ed9a5300	543	return; /* invalid type */
60c22e5f	544
2cb1f02c	545	/* Cannot risk doing another query during a callback */
	546	/* We could do this simply for type USER, but eventually this may also
	547	* dynamically add KERBEROS types to the prdb, and we will need to do
	548	* a query to look up the uid of the null-instance user */
	549	if (mr_connections) {
	550	m = (struct member *)malloc(sizeof(struct member));
	551	if (!m) {
	552	critical_alert("incremental", "Out of memory");
	553	exit(1);
	554	}
	555	m->op = op;
	556	strcpy(m->list, group);
	557	strcpy(m->type, type);
	558	strcpy(m->member, member);
	559	m->next = member_head;
	560	member_head = m;
	561	return;
	562	}
	563
ed9a5300	564	strcpy(buf, "system:");
ed9a5300	565	strcat(buf, group);
92d359ba	566	com_err(whoami, 0, "%s %s %s group %s",
	567	(op ? "Adding" : "Removing"), member,
	568	(op ? "to" : "from"), group);
d4ea75d6	569	code = 0;
eb63ae5f	570	code=pr_try(op ? pr_AddToGroup : pr_RemoveUserFromGroup, member, buf);
ed9a5300	571	if (code) {
c69d9f2c	572	if (op==1 && code == PRIDEXIST) return; /* Already added */
	573
	574	if (code == PRNOENT) { /* Something is missing */
	575	if (op==0) return; /* Already deleted */
	576	if (!strcmp(type, "KERBEROS")) /* Special instances; ok */
	577	return;
	578
	579	/* Check whether the member being added is an active user */
14d69e25	580	code = moira_connect();
c69d9f2c	581	if (!code) code = mr_query("get_user_by_login", 1, &member,
	582	check_user, &ustate);
	583	if (code) {
	584	critical_alert("incremental",
	585	"Error contacting Moira server to lookup user %s: %s",
	586	member, error_message(code));
	587	}
6250582e	588
	589	/* We don't use moira_disconnect()
	590	* because we may already be in the routine.
	591	*/
	592	mr_disconnect();
	593	mr_connections--;
	594
c69d9f2c	595	if (!code && ustate!=1 && ustate!=2) return; /* inactive user */
32ed4a32	596	code = PRNOENT;
60c22e5f	597	}
c69d9f2c	598
	599	critical_alert("incremental",
	600	"Couldn't %s %s %s %s: %s",
	601	op ? "add" : "remove", member,
	602	op ? "to" : "from", buf,
	603	error_message(code));
57bc9f26	604	}
fb8809f4	605	}
	606
	607
eb63ae5f	608	long pr_try(fn, a1, a2, a3, a4, a5, a6, a7, a8)
	609	long (*fn)();
	610	char a1, a2, a3, a4, a5, a6, a7, a8;
fb8809f4	611	{
eb63ae5f	612	static int initd=0;
16838ad1	613	volatile register long code;
eb63ae5f	614	register int tries = 0;
	615	#ifdef DEBUG
	616	char fname[64];
	617	#endif
	618
	619	check_afs();
d4ea75d6	620
7fca28a9	621	if (initd) {
	622	code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
	623	} else {
	624	code = 0;
eb63ae5f	625	initd = 1;
9b9540a1	626	}
7fca28a9	627	if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	628	if (code) {
	629	critical_alert("incremental", "Couldn't initialize libprot: %s",
	630	error_message(code));
	631	return;
	632	}
	633
16838ad1	634	sleep(1); /* give ptserver room */
9b9540a1	635
eb63ae5f	636	while (code = (*fn)(a1, a2, a3, a4, a5, a6, a7, a8)) {
	637	#ifdef DEBUG
	638	long t;
	639	t = time(0);
	640	if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
	641	else if (fn == pr_RemoveUserFromGroup)
	642	strcpy(fname, "pr_RemoveUserFromGroup");
	643	else if (fn == pr_CreateUser) strcpy(fname, "pr_CreateUser");
	644	else if (fn == pr_CreateGroup) strcpy(fname, "pr_CreateGroup");
	645	else if (fn == pr_DeleteByID) strcpy(fname, "pr_DeleteByID");
	646	else if (fn == pr_ChangeEntry) strcpy(fname, "pr_ChangeEntry");
	647	else if (fn == pr_SetFieldsEntry) strcpy(fname, "pr_SetFieldsEntry");
	648	else if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
16838ad1	649	else
eb63ae5f	650	sprintf(fname, "pr_??? (0x%08x)", (long)fn);
eb63ae5f	651
16838ad1	652	com_err(whoami, code, "- %s failed (try %d @%u)", fname, tries+1, t);
eb63ae5f	653	#endif
16838ad1	654	if (++tries > 2) break; /* 3 tries */
	655
	656	if (code == UNOQUORUM) sleep(90);
	657	else sleep(15);
	658
	659	/* Re-initialize the prdb connection */
	660	code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
	661	if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	662	if (code) {
	663	critical_alert("incremental", "Couldn't re-initialize libprot: %s",
	664	error_message(code));
	665	initd = 0; /* we lost */
	666	break;
	667	}
9b9540a1	668	}
eb63ae5f	669	return code;
fb8809f4	670	}
	671
	672
eb63ae5f	673	check_afs()
fb8809f4	674	{
eb63ae5f	675	int i;
	676
	677	for (i=0; file_exists(STOP_FILE); i++) {
	678	if (i > 30) {
	679	critical_alert("incremental",
	680	"AFS incremental failed (%s exists): %s",
	681	STOP_FILE, tbl_buf);
	682	exit(1);
	683	}
	684	sleep(60);
	685	}
fb8809f4	686	}
14d69e25	687
14d69e25	688
14d69e25	689	moira_connect()
	690	{
	691	static char hostname[64];
	692	long code;
	693
	694	if (!mr_connections++) {
d4ea75d6	695	#ifdef DEBUG
	696	code = mr_connect("moira");
	697	#else
14d69e25	698	gethostname(hostname, sizeof(hostname));
14d69e25	699	code = mr_connect(hostname);
d4ea75d6	700	#endif
14d69e25	701	if (!code) code = mr_auth("afs.incr");
	702	return code;
	703	}
	704	return 0;
	705	}
	706
	707	moira_disconnect()
	708	{
2cb1f02c	709	struct member *m;
2cb1f02c	710
14d69e25	711	if (!--mr_connections) {
32ed4a32	712	mr_disconnect();
32ed4a32	713	while(m = member_head) {
2cb1f02c	714	edit_group(m->op, m->list, m->type, m->member);
	715	member_head = m->next;
	716	free(m);
	717	}
14d69e25	718	}
	719	return 0;
	720	}