[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 <unistd.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();
long 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 = strrchr(argv[0], '/')) ? whoami+1 : argv[0]);

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

    setvbuf(stdout, NULL, _IOLBF, BUFSIZ);

    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, "imembers")) {
	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)

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

    if (afterc) {
 	if (afterc < LM_EXTRA_END) {
 	    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_END) {
 	    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;
    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++) {
	gethostname(hostname, sizeof(hostname));
	code = mr_connect(hostname);
	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>
e2666aac	14	#include <unistd.h>
60c22e5f	15
d1be2e3a	16	#include <krb.h>
2ce085d2	17	#include <moira.h>
2ce085d2	18	#include <moira_site.h>
f633445d	19
60c22e5f	20	#include <afs/param.h>
	21	#include <afs/cellconfig.h>
	22	#include <afs/venus.h>
	23	#include <afs/ptclient.h>
	24	#include <afs/pterror.h>
fb8809f4	25
d1be2e3a	26	#define STOP_FILE "/moira/afs/noafs"
60c22e5f	27	#define file_exists(file) (access((file), F_OK) == 0)
fb8809f4	28
16838ad1	29	#if defined(vax) && !defined(__STDC__)
	30	#define volatile
	31	#endif
	32
fb8809f4	33	char *whoami;
fb8809f4	34
eb63ae5f	35	/* Main stub routines */
	36	int do_user();
	37	int do_list();
	38	int do_member();
	39	int do_filesys();
	40	int do_quota();
	41
	42	/* Support stub routines */
	43	int run_cmd();
	44	int add_user_lists();
063819ef	45	int add_list_members();
c69d9f2c	46	int check_user();
eb63ae5f	47	int edit_group();
e2666aac	48	long pr_try();
eb63ae5f	49	int check_afs();
	50
	51	/* libprot.a routines */
	52	extern long pr_Initialize();
	53	extern long pr_CreateUser();
	54	extern long pr_CreateGroup();
	55	extern long pr_DeleteByID();
	56	extern long pr_ChangeEntry();
	57	extern long pr_SetFieldsEntry();
	58	extern long pr_AddToGroup();
	59	extern long pr_RemoveUserFromGroup();
	60
	61	static char tbl_buf[1024];
2cb1f02c	62	static struct member {
	63	int op;
	64	char list[33];
	65	char type[9];
	66	char member[129];
	67	struct member *next;
	68	} *member_head = 0;
	69
	70	static int mr_connections=0;
eb63ae5f	71
fb8809f4	72	main(argc, argv)
	73	char **argv;
	74	int argc;
	75	{
a7fdf2de	76	int beforec, afterc, i;
fb8809f4	77	char table, before, *after;
fb8809f4	78
a7fdf2de	79	for (i = getdtablesize() - 1; i > 2; i--)
	80	close(i);
	81
e2666aac	82	whoami = ((whoami = strrchr(argv[0], '/')) ? whoami+1 : argv[0]);
d4ea75d6	83
fb8809f4	84	table = argv[1];
	85	beforec = atoi(argv[2]);
	86	before = &argv[4];
	87	afterc = atoi(argv[3]);
	88	after = &argv[4 + beforec];
f10e3ca2	89
e2666aac	90	setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
eb63ae5f	91
	92	strcpy(tbl_buf, table);
	93	strcat(tbl_buf, " (");
810d12a7	94	for (i = 0; i < beforec; i++) {
810d12a7	95	if (i > 0)
eb63ae5f	96	strcat(tbl_buf, ",");
eb63ae5f	97	strcat(tbl_buf, before[i]);
810d12a7	98	}
eb63ae5f	99	strcat(tbl_buf, ")->(");
810d12a7	100	for (i = 0; i < afterc; i++) {
810d12a7	101	if (i > 0)
eb63ae5f	102	strcat(tbl_buf, ",");
eb63ae5f	103	strcat(tbl_buf, after[i]);
810d12a7	104	}
eb63ae5f	105	strcat(tbl_buf, ")");
d1be2e3a	106	#ifdef DEBUG
92d359ba	107	com_err(whoami, 0, "%s", tbl_buf);
810d12a7	108	#endif
810d12a7	109
fb8809f4	110	initialize_sms_error_table();
	111	initialize_krb_error_table();
	112
	113	if (!strcmp(table, "users")) {
	114	do_user(before, beforec, after, afterc);
	115	} else if (!strcmp(table, "list")) {
	116	do_list(before, beforec, after, afterc);
e2666aac	117	} else if (!strcmp(table, "imembers")) {
fb8809f4	118	do_member(before, beforec, after, afterc);
	119	} else if (!strcmp(table, "filesys")) {
	120	do_filesys(before, beforec, after, afterc);
1f377b55	121	} else if (!strcmp(table, "quota")) {
fb8809f4	122	do_quota(before, beforec, after, afterc);
fb8809f4	123	}
fb8809f4	124	exit(0);
	125	}
	126
	127
fb8809f4	128	do_user(before, beforec, after, afterc)
	129	char **before;
	130	int beforec;
	131	char **after;
	132	int afterc;
	133	{
eb63ae5f	134	int astate, bstate, auid, buid, code;
9b273918	135	char *av[2];
60c22e5f	136
	137	auid = buid = astate = bstate = 0;
	138	if (afterc > U_STATE) astate = atoi(after[U_STATE]);
	139	if (beforec > U_STATE) bstate = atoi(before[U_STATE]);
	140	if (afterc > U_UID) auid = atoi(after[U_UID]);
	141	if (beforec > U_UID) buid = atoi(before[U_UID]);
	142
	143	/* We consider "half-registered" users to be active */
810d12a7	144	if (astate == 2) astate = 1;
810d12a7	145	if (bstate == 2) bstate = 1;
fb8809f4	146
60c22e5f	147	if (astate != 1 && bstate != 1) /* inactive user */
fb8809f4	148	return;
60c22e5f	149
	150	if (astate == bstate && auid == buid &&
	151	!strcmp(before[U_NAME], after[U_NAME]))
	152	/* No AFS related attributes have changed */
fb8809f4	153	return;
fb8809f4	154
60c22e5f	155	if (astate == bstate) {
60c22e5f	156	/* Only a modify has to be done */
92d359ba	157	com_err(whoami, 0, "Changing user %s (uid %d) to %s (uid %d)",
	158	before[U_NAME], buid, after[U_NAME], auid);
	159
eb63ae5f	160	code = pr_try(pr_ChangeEntry, before[U_NAME], after[U_NAME], auid, "");
60c22e5f	161	if (code) {
	162	critical_alert("incremental",
	163	"Couldn't change user %s (id %d) to %s (id %d): %s",
	164	before[U_NAME], buid, after[U_NAME], auid,
	165	error_message(code));
	166	}
	167	return;
	168	}
	169	if (bstate == 1) {
92d359ba	170	com_err(whoami, 0, "Deleting user %s (uid %d)",
	171	before[U_NAME], buid);
	172
eb63ae5f	173	code = pr_try(pr_DeleteByID, buid);
60c22e5f	174	if (code && code != PRNOENT) {
	175	critical_alert("incremental",
	176	"Couldn't delete user %s (id %d): %s",
	177	before[U_NAME], buid, error_message(code));
	178	}
	179	return;
	180	}
	181	if (astate == 1) {
92d359ba	182	com_err(whoami, 0, "%s user %s (uid %d)",
	183	((bstate != 0) ? "Reactivating" : "Creating"),
	184	after[U_NAME], auid);
	185
eb63ae5f	186	code = pr_try(pr_CreateUser, after[U_NAME], &auid);
60c22e5f	187	if (code) {
	188	critical_alert("incremental",
	189	"Couldn't create user %s (id %d): %s",
	190	after[U_NAME], auid, error_message(code));
96786144	191	return;
60c22e5f	192	}
2dbcb756	193
0f82335a	194	if (bstate != 0) {
9b273918	195	/* Reactivating a user; get his group list */
14d69e25	196	code = moira_connect();
9b273918	197	if (code) {
	198	critical_alert("incremental",
	199	"Error contacting Moira server to retrieve grouplist of user %s: %s",
	200	after[U_NAME], error_message(code));
	201	return;
	202	}
2dbcb756	203	av[0] = "ruser";
9b273918	204	av[1] = after[U_NAME];
	205	code = mr_query("get_lists_of_member", 2, av,
	206	add_user_lists, after[U_NAME]);
b80d6d78	207	if (code && code != MR_NO_MATCH)
9b273918	208	critical_alert("incremental",
	209	"Couldn't retrieve membership of user %s: %s",
	210	after[U_NAME], error_message(code));
14d69e25	211	moira_disconnect();
9b273918	212	}
60c22e5f	213	return;
fb8809f4	214	}
	215	}
	216
	217
fb8809f4	218	do_list(before, beforec, after, afterc)
	219	char **before;
	220	int beforec;
	221	char **after;
	222	int afterc;
	223	{
8ec23c21	224	register int agid, bgid;
eb63ae5f	225	int ahide, bhide;
60c22e5f	226	long code, id;
60c22e5f	227	char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
ed9a5300	228	char *av[2];
fb8809f4	229
60c22e5f	230	agid = bgid = 0;
8ec23c21	231	if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP])) {
60c22e5f	232	bgid = atoi(before[L_GID]);
8ec23c21	233	bhide = atoi(before[L_HIDDEN]);
	234	}
	235	if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP])) {
60c22e5f	236	agid = atoi(after[L_GID]);
8ec23c21	237	ahide = atoi(after[L_HIDDEN]);
8ec23c21	238	}
fb8809f4	239
60c22e5f	240	if (agid == 0 && bgid == 0) /* Not active groups */
60c22e5f	241	return;
60c22e5f	242
60c22e5f	243	if (agid && bgid) {
8ec23c21	244	if (strcmp(after[L_NAME], before[L_NAME])) {
	245	/* Only a modify is required */
	246	strcpy(g1, "system:");
	247	strcpy(g2, "system:");
	248	strcat(g1, before[L_NAME]);
	249	strcat(g2, after[L_NAME]);
92d359ba	250
	251	com_err(whoami, 0, "Changing group %s (gid %d) to %s (gid %d)",
	252	before[L_NAME], bgid, after[L_NAME], agid);
	253
eb63ae5f	254	code = pr_try(pr_ChangeEntry, g1, g2, -agid, "");
8ec23c21	255	if (code) {
	256	critical_alert("incremental",
	257	"Couldn't change group %s (id %d) to %s (id %d): %s",
	258	before[L_NAME], -bgid, after[L_NAME], -agid,
	259	error_message(code));
	260	}
	261	}
	262	if (ahide != bhide) {
92d359ba	263	com_err(whoami, 0, "Making group %s (gid %d) %s",
	264	after[L_NAME], agid,
	265	(ahide ? "hidden" : "visible"));
eb63ae5f	266	code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
	267	(ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
	268	0 /ngroups/, 0 /nusers/);
8ec23c21	269	if (code) {
	270	critical_alert("incremental",
	271	"Couldn't set flags of group %s: %s",
	272	after[L_NAME], error_message(code));
	273	}
60c22e5f	274	}
fb8809f4	275	return;
fb8809f4	276	}
60c22e5f	277	if (bgid) {
92d359ba	278	com_err(whoami, 0, "Deleting group %s (gid %d)",
92d359ba	279	before[L_NAME], bgid);
eb63ae5f	280	code = pr_try(pr_DeleteByID, -bgid);
60c22e5f	281	if (code && code != PRNOENT) {
	282	critical_alert("incremental",
	283	"Couldn't delete group %s (id %d): %s",
	284	before[L_NAME], -bgid, error_message(code));
	285	}
fb8809f4	286	return;
fb8809f4	287	}
60c22e5f	288	if (agid) {
	289	strcpy(g1, "system:");
	290	strcat(g1, after[L_NAME]);
	291	strcpy(g2, "system:administrators");
	292	id = -agid;
92d359ba	293	com_err(whoami, 0, "Creating %s group %s (gid %d)",
92d359ba	294	(ahide ? "hidden" : "visible"), after[L_NAME], agid);
eb63ae5f	295	code = pr_try(pr_CreateGroup, g1, g2, &id);
60c22e5f	296	if (code) {
	297	critical_alert("incremental",
	298	"Couldn't create group %s (id %d): %s",
ed9a5300	299	after[L_NAME], id, error_message(code));
60c22e5f	300	return;
60c22e5f	301	}
8ec23c21	302	if (ahide) {
eb63ae5f	303	code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
	304	(ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
	305	0 /ngroups/, 0 /nusers/);
8ec23c21	306	if (code) {
	307	critical_alert("incremental",
	308	"Couldn't set flags of group %s: %s",
	309	after[L_NAME], error_message(code));
	310	}
	311	}
60c22e5f	312
60c22e5f	313	/* We need to make sure the group is properly populated */
c69d9f2c	314	if (beforec < L_ACTIVE) return;
60c22e5f	315
14d69e25	316	code = moira_connect();
ed9a5300	317	if (code) {
	318	critical_alert("incremental",
	319	"Error contacting Moira server to resolve %s: %s",
	320	after[L_NAME], error_message(code));
	321	return;
	322	}
cdf6674b	323	av[0] = after[L_NAME];
cdf6674b	324	code = mr_query("get_end_members_of_list", 1, av,
063819ef	325	add_list_members, after[L_NAME]);
	326	if (code)
	327	critical_alert("incremental",
	328	"Couldn't retrieve full membership of list %s: %s",
	329	after[L_NAME], error_message(code));
14d69e25	330	moira_disconnect();
ed9a5300	331	return;
60c22e5f	332	}
fb8809f4	333	}
	334
	335
f2cf09f5	336
	337	#define LM_EXTRA_ACTIVE (LM_END)
	338	#define LM_EXTRA_PUBLIC (LM_END+1)
	339	#define LM_EXTRA_HIDDEN (LM_END+2)
	340	#define LM_EXTRA_MAILLIST (LM_END+3)
	341	#define LM_EXTRA_GROUP (LM_END+4)
	342	#define LM_EXTRA_GID (LM_END+5)
	343	#define LM_EXTRA_END (LM_END+6)
	344
fb8809f4	345	do_member(before, beforec, after, afterc)
	346	char **before;
	347	int beforec;
	348	char **after;
	349	int afterc;
	350	{
60c22e5f	351	int code;
60c22e5f	352	char *p;
60c22e5f	353
f2cf09f5	354	if (afterc) {
51b6cfe7	355	if (afterc < LM_EXTRA_END) {
f2cf09f5	356	return;
f2cf09f5	357	} else
a859d2ed	358	if (!atoi(after[LM_EXTRA_ACTIVE]) \|\| !atoi(after[LM_EXTRA_GROUP]))
f2cf09f5	359	return;
	360
	361	edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
	362	} else if (beforec) {
51b6cfe7	363	if (beforec < LM_EXTRA_END) {
f2cf09f5	364	return;
f2cf09f5	365	} else
a859d2ed	366	if (!atoi(before[LM_EXTRA_ACTIVE]) \|\| !atoi(before[LM_EXTRA_GROUP]))
f2cf09f5	367	return;
e9f07a3b	368	edit_group(0, before[LM_LIST], before[LM_TYPE], before[LM_MEMBER]);
f2cf09f5	369	}
ed9a5300	370	}
	371
	372
eb63ae5f	373	do_filesys(before, beforec, after, afterc)
	374	char **before;
	375	int beforec;
	376	char **after;
	377	int afterc;
	378	{
	379	char cmd[1024];
89e513d9	380	int acreate, atype, btype;
	381
	382	if (afterc < FS_CREATE) {
	383	atype = acreate = 0;
	384	} else {
	385	atype = !strcmp(after[FS_TYPE], "AFS");
	386	acreate = atoi(after[FS_CREATE]);
	387	}
	388
eb63ae5f	389	if (beforec < FS_CREATE) {
89e513d9	390	if (acreate == 0 \|\| atype == 0) return;
eb63ae5f	391
	392	/* new locker creation */
	393	sprintf(cmd, "%s/perl -I%s %s/afs_create.pl %s %s %s %s %s %s",
	394	BIN_DIR, BIN_DIR, BIN_DIR,
	395	after[FS_NAME], after[FS_L_TYPE], after[FS_MACHINE],
	396	after[FS_PACK], after[FS_OWNER], after[FS_OWNERS]);
	397	run_cmd(cmd);
	398	return;
	399	}
89e513d9	400
89e513d9	401	btype = !strcmp(before[FS_TYPE], "AFS");
eb63ae5f	402	if (afterc < FS_CREATE) {
89e513d9	403	if (btype)
eb63ae5f	404	critical_alert("incremental",
3b1e9c5f	405	"Cannot delete AFS filesystem %s: Operation not supported",
eb63ae5f	406	before[FS_NAME]);
eb63ae5f	407	return;
eb63ae5f	408	}
3b1e9c5f	409
	410	if (!acreate)
	411	return;
	412
	413	/* Are we dealing with AFS lockers (could be type ERR lockers) */
	414	if (!atype && !btype)
	415	if (strcmp(before[FS_TYPE], "ERR") \|\| strcmp(after[FS_TYPE], "ERR"))
	416	return;
	417
	418	/* By now, we know we are simply changing AFS filesystem attributes.
	419	* Operations supported:
	420	* Name change: rename/remount
	421	* Path change: remount
	422	* Type change: ERR<-->AFS
	423	*/
0f82335a	424
0f82335a	425	#if 0
3b1e9c5f	426	if (strcmp(before[FS_OWNER], after[FS_OWNER]) \|\|
3ae9c0f3	427	strcmp(before[FS_OWNERS], after[FS_OWNERS]))
3b1e9c5f	428	{
	429	critical_alert("incremental",
	430	"Cannot change ownership of filesystem %s: Operation not yet supported",
	431	after[FS_NAME]);
	432	}
0f82335a	433	#endif
3b1e9c5f	434
	435	sprintf(cmd, "%s/perl -I%s %s/afs_rename.pl %s %s %s %s %s %s %s %s %s %s",
	436	BIN_DIR, BIN_DIR, BIN_DIR,
3ae9c0f3	437	before[FS_NAME], before[FS_MACHINE], before[FS_TYPE],
3b1e9c5f	438	before[FS_L_TYPE], before[FS_PACK],
3ae9c0f3	439	after[FS_NAME], after[FS_MACHINE], after[FS_TYPE],
3b1e9c5f	440	after[FS_L_TYPE], after[FS_PACK]);
3b1e9c5f	441	run_cmd(cmd);
eb63ae5f	442	}
	443
	444
	445	do_quota(before, beforec, after, afterc)
	446	char **before;
	447	int beforec;
	448	char **after;
	449	int afterc;
	450	{
	451	char cmd[1024];
	452
	453	if (afterc < Q_DIRECTORY \|\| strcmp("ANY", after[Q_TYPE]) \|\|
	454	strncmp("/afs/", after[Q_DIRECTORY], 5))
	455	return;
	456
	457	sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
	458	BIN_DIR, BIN_DIR, BIN_DIR,
	459	after[Q_DIRECTORY], after[Q_QUOTA]);
	460	run_cmd(cmd);
	461	return;
	462	}
	463
	464
	465	run_cmd(cmd)
	466	char *cmd;
	467	{
	468	int success=0, tries=0;
	469
	470	check_afs();
	471
	472	while (success == 0 && tries < 2) {
	473	if (tries++)
	474	sleep(90);
	475	com_err(whoami, 0, "Executing command: %s", cmd);
	476	if (system(cmd) == 0)
	477	success++;
	478	}
	479	if (!success)
	480	critical_alert("incremental", "failed command: %s", cmd);
	481	}
	482
	483
	484	add_user_lists(ac, av, user)
	485	int ac;
	486	char *av[];
	487	char *user;
	488	{
2cb1f02c	489	if (atoi(av[L_ACTIVE]) && atoi(av[L_GROUP])) /* active group ? */
2cb1f02c	490	edit_group(1, av[L_NAME], "USER", user);
d4ea75d6	491	return 0;
eb63ae5f	492	}
	493
	494
063819ef	495	add_list_members(ac, av, group)
ed9a5300	496	int ac;
	497	char *av[];
	498	char *group;
	499	{
063819ef	500	edit_group(1, group, av[0], av[1]);
d4ea75d6	501	return 0;
ed9a5300	502	}
	503
	504
c69d9f2c	505	check_user(ac, av, ustate)
	506	int ac;
	507	char *av[];
	508	int *ustate;
	509	{
2cb1f02c	510	*ustate = atoi(av[U_STATE]);
d4ea75d6	511	return 0;
c69d9f2c	512	}
	513
	514
ed9a5300	515	edit_group(op, group, type, member)
	516	int op;
	517	char *group;
	518	char *type;
	519	char *member;
	520	{
	521	char *p = 0;
	522	char buf[PR_MAXNAMELEN];
c69d9f2c	523	int code, ustate;
d1be2e3a	524	static char local_realm[REALM_SZ+1] = "";
2cb1f02c	525	struct member *m;
ed9a5300	526
60c22e5f	527	/* The following KERBEROS code allows for the use of entities
	528	* user@foreign_cell.
	529	*/
d1be2e3a	530	if (!local_realm[0])
d1be2e3a	531	krb_get_lrealm(local_realm, 1);
ed9a5300	532	if (!strcmp(type, "KERBEROS")) {
ed9a5300	533	p = index(member, '@');
d1be2e3a	534	if (p && !strcasecmp(p+1, local_realm))
60c22e5f	535	*p = 0;
ed9a5300	536	} else if (strcmp(type, "USER"))
ed9a5300	537	return; /* invalid type */
60c22e5f	538
2cb1f02c	539	/* Cannot risk doing another query during a callback */
	540	/* We could do this simply for type USER, but eventually this may also
	541	* dynamically add KERBEROS types to the prdb, and we will need to do
	542	* a query to look up the uid of the null-instance user */
	543	if (mr_connections) {
	544	m = (struct member *)malloc(sizeof(struct member));
	545	if (!m) {
	546	critical_alert("incremental", "Out of memory");
	547	exit(1);
	548	}
	549	m->op = op;
	550	strcpy(m->list, group);
	551	strcpy(m->type, type);
	552	strcpy(m->member, member);
	553	m->next = member_head;
	554	member_head = m;
	555	return;
	556	}
	557
ed9a5300	558	strcpy(buf, "system:");
ed9a5300	559	strcat(buf, group);
92d359ba	560	com_err(whoami, 0, "%s %s %s group %s",
	561	(op ? "Adding" : "Removing"), member,
	562	(op ? "to" : "from"), group);
d4ea75d6	563	code = 0;
eb63ae5f	564	code=pr_try(op ? pr_AddToGroup : pr_RemoveUserFromGroup, member, buf);
ed9a5300	565	if (code) {
c69d9f2c	566	if (op==1 && code == PRIDEXIST) return; /* Already added */
	567
	568	if (code == PRNOENT) { /* Something is missing */
	569	if (op==0) return; /* Already deleted */
	570	if (!strcmp(type, "KERBEROS")) /* Special instances; ok */
	571	return;
	572
	573	/* Check whether the member being added is an active user */
14d69e25	574	code = moira_connect();
c69d9f2c	575	if (!code) code = mr_query("get_user_by_login", 1, &member,
	576	check_user, &ustate);
	577	if (code) {
	578	critical_alert("incremental",
	579	"Error contacting Moira server to lookup user %s: %s",
	580	member, error_message(code));
	581	}
6250582e	582
	583	/* We don't use moira_disconnect()
	584	* because we may already be in the routine.
	585	*/
	586	mr_disconnect();
	587	mr_connections--;
	588
c69d9f2c	589	if (!code && ustate!=1 && ustate!=2) return; /* inactive user */
32ed4a32	590	code = PRNOENT;
60c22e5f	591	}
c69d9f2c	592
	593	critical_alert("incremental",
	594	"Couldn't %s %s %s %s: %s",
	595	op ? "add" : "remove", member,
	596	op ? "to" : "from", buf,
	597	error_message(code));
57bc9f26	598	}
fb8809f4	599	}
	600
	601
eb63ae5f	602	long pr_try(fn, a1, a2, a3, a4, a5, a6, a7, a8)
	603	long (*fn)();
	604	char a1, a2, a3, a4, a5, a6, a7, a8;
fb8809f4	605	{
eb63ae5f	606	static int initd=0;
e2666aac	607	register long code;
eb63ae5f	608	register int tries = 0;
	609	#ifdef DEBUG
	610	char fname[64];
	611	#endif
	612
	613	check_afs();
d4ea75d6	614
7fca28a9	615	if (initd) {
	616	code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
	617	} else {
	618	code = 0;
eb63ae5f	619	initd = 1;
9b9540a1	620	}
7fca28a9	621	if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	622	if (code) {
	623	critical_alert("incremental", "Couldn't initialize libprot: %s",
	624	error_message(code));
	625	return;
	626	}
	627
16838ad1	628	sleep(1); /* give ptserver room */
9b9540a1	629
eb63ae5f	630	while (code = (*fn)(a1, a2, a3, a4, a5, a6, a7, a8)) {
	631	#ifdef DEBUG
	632	long t;
	633	t = time(0);
	634	if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
	635	else if (fn == pr_RemoveUserFromGroup)
	636	strcpy(fname, "pr_RemoveUserFromGroup");
	637	else if (fn == pr_CreateUser) strcpy(fname, "pr_CreateUser");
	638	else if (fn == pr_CreateGroup) strcpy(fname, "pr_CreateGroup");
	639	else if (fn == pr_DeleteByID) strcpy(fname, "pr_DeleteByID");
	640	else if (fn == pr_ChangeEntry) strcpy(fname, "pr_ChangeEntry");
	641	else if (fn == pr_SetFieldsEntry) strcpy(fname, "pr_SetFieldsEntry");
	642	else if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
16838ad1	643	else
eb63ae5f	644	sprintf(fname, "pr_??? (0x%08x)", (long)fn);
eb63ae5f	645
16838ad1	646	com_err(whoami, code, "- %s failed (try %d @%u)", fname, tries+1, t);
eb63ae5f	647	#endif
16838ad1	648	if (++tries > 2) break; /* 3 tries */
	649
	650	if (code == UNOQUORUM) sleep(90);
	651	else sleep(15);
	652
	653	/* Re-initialize the prdb connection */
	654	code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
	655	if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	656	if (code) {
	657	critical_alert("incremental", "Couldn't re-initialize libprot: %s",
	658	error_message(code));
	659	initd = 0; /* we lost */
	660	break;
	661	}
9b9540a1	662	}
eb63ae5f	663	return code;
fb8809f4	664	}
	665
	666
eb63ae5f	667	check_afs()
fb8809f4	668	{
eb63ae5f	669	int i;
	670
	671	for (i=0; file_exists(STOP_FILE); i++) {
	672	if (i > 30) {
	673	critical_alert("incremental",
	674	"AFS incremental failed (%s exists): %s",
	675	STOP_FILE, tbl_buf);
	676	exit(1);
	677	}
	678	sleep(60);
	679	}
fb8809f4	680	}
14d69e25	681
14d69e25	682
14d69e25	683	moira_connect()
	684	{
	685	static char hostname[64];
	686	long code;
	687
	688	if (!mr_connections++) {
	689	gethostname(hostname, sizeof(hostname));
	690	code = mr_connect(hostname);
	691	if (!code) code = mr_auth("afs.incr");
	692	return code;
	693	}
	694	return 0;
	695	}
	696
	697	moira_disconnect()
	698	{
2cb1f02c	699	struct member *m;
2cb1f02c	700
14d69e25	701	if (!--mr_connections) {
32ed4a32	702	mr_disconnect();
32ed4a32	703	while(m = member_head) {
2cb1f02c	704	edit_group(m->op, m->list, m->type, m->member);
	705	member_head = m->next;
	706	free(m);
	707	}
14d69e25	708	}
	709	return 0;
	710	}