[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 <string.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)

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 = strchr(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>
60c22e5f	12	#include <sys/file.h>
f19e3bf8	13	#include <string.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
	29	char *whoami;
	30
eb63ae5f	31	/* Main stub routines */
	32	int do_user();
	33	int do_list();
	34	int do_member();
	35	int do_filesys();
	36	int do_quota();
	37
	38	/* Support stub routines */
	39	int run_cmd();
	40	int add_user_lists();
063819ef	41	int add_list_members();
c69d9f2c	42	int check_user();
eb63ae5f	43	int edit_group();
e2666aac	44	long pr_try();
eb63ae5f	45	int check_afs();
	46
	47	/* libprot.a routines */
	48	extern long pr_Initialize();
	49	extern long pr_CreateUser();
	50	extern long pr_CreateGroup();
	51	extern long pr_DeleteByID();
	52	extern long pr_ChangeEntry();
	53	extern long pr_SetFieldsEntry();
	54	extern long pr_AddToGroup();
	55	extern long pr_RemoveUserFromGroup();
	56
	57	static char tbl_buf[1024];
2cb1f02c	58	static struct member {
	59	int op;
	60	char list[33];
	61	char type[9];
	62	char member[129];
	63	struct member *next;
	64	} *member_head = 0;
	65
	66	static int mr_connections=0;
eb63ae5f	67
fb8809f4	68	main(argc, argv)
	69	char **argv;
	70	int argc;
	71	{
a7fdf2de	72	int beforec, afterc, i;
fb8809f4	73	char table, before, *after;
fb8809f4	74
a7fdf2de	75	for (i = getdtablesize() - 1; i > 2; i--)
	76	close(i);
	77
e2666aac	78	whoami = ((whoami = strrchr(argv[0], '/')) ? whoami+1 : argv[0]);
d4ea75d6	79
fb8809f4	80	table = argv[1];
	81	beforec = atoi(argv[2]);
	82	before = &argv[4];
	83	afterc = atoi(argv[3]);
	84	after = &argv[4 + beforec];
f10e3ca2	85
e2666aac	86	setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
eb63ae5f	87
	88	strcpy(tbl_buf, table);
	89	strcat(tbl_buf, " (");
810d12a7	90	for (i = 0; i < beforec; i++) {
810d12a7	91	if (i > 0)
eb63ae5f	92	strcat(tbl_buf, ",");
eb63ae5f	93	strcat(tbl_buf, before[i]);
810d12a7	94	}
eb63ae5f	95	strcat(tbl_buf, ")->(");
810d12a7	96	for (i = 0; i < afterc; i++) {
810d12a7	97	if (i > 0)
eb63ae5f	98	strcat(tbl_buf, ",");
eb63ae5f	99	strcat(tbl_buf, after[i]);
810d12a7	100	}
eb63ae5f	101	strcat(tbl_buf, ")");
d1be2e3a	102	#ifdef DEBUG
92d359ba	103	com_err(whoami, 0, "%s", tbl_buf);
810d12a7	104	#endif
810d12a7	105
fb8809f4	106	initialize_sms_error_table();
	107	initialize_krb_error_table();
	108
	109	if (!strcmp(table, "users")) {
	110	do_user(before, beforec, after, afterc);
	111	} else if (!strcmp(table, "list")) {
	112	do_list(before, beforec, after, afterc);
e2666aac	113	} else if (!strcmp(table, "imembers")) {
fb8809f4	114	do_member(before, beforec, after, afterc);
	115	} else if (!strcmp(table, "filesys")) {
	116	do_filesys(before, beforec, after, afterc);
1f377b55	117	} else if (!strcmp(table, "quota")) {
fb8809f4	118	do_quota(before, beforec, after, afterc);
fb8809f4	119	}
fb8809f4	120	exit(0);
	121	}
	122
	123
fb8809f4	124	do_user(before, beforec, after, afterc)
	125	char **before;
	126	int beforec;
	127	char **after;
	128	int afterc;
	129	{
eb63ae5f	130	int astate, bstate, auid, buid, code;
9b273918	131	char *av[2];
60c22e5f	132
	133	auid = buid = astate = bstate = 0;
	134	if (afterc > U_STATE) astate = atoi(after[U_STATE]);
	135	if (beforec > U_STATE) bstate = atoi(before[U_STATE]);
	136	if (afterc > U_UID) auid = atoi(after[U_UID]);
	137	if (beforec > U_UID) buid = atoi(before[U_UID]);
	138
	139	/* We consider "half-registered" users to be active */
810d12a7	140	if (astate == 2) astate = 1;
810d12a7	141	if (bstate == 2) bstate = 1;
fb8809f4	142
60c22e5f	143	if (astate != 1 && bstate != 1) /* inactive user */
fb8809f4	144	return;
60c22e5f	145
	146	if (astate == bstate && auid == buid &&
	147	!strcmp(before[U_NAME], after[U_NAME]))
	148	/* No AFS related attributes have changed */
fb8809f4	149	return;
fb8809f4	150
60c22e5f	151	if (astate == bstate) {
60c22e5f	152	/* Only a modify has to be done */
92d359ba	153	com_err(whoami, 0, "Changing user %s (uid %d) to %s (uid %d)",
	154	before[U_NAME], buid, after[U_NAME], auid);
	155
eb63ae5f	156	code = pr_try(pr_ChangeEntry, before[U_NAME], after[U_NAME], auid, "");
60c22e5f	157	if (code) {
	158	critical_alert("incremental",
	159	"Couldn't change user %s (id %d) to %s (id %d): %s",
	160	before[U_NAME], buid, after[U_NAME], auid,
	161	error_message(code));
	162	}
	163	return;
	164	}
	165	if (bstate == 1) {
92d359ba	166	com_err(whoami, 0, "Deleting user %s (uid %d)",
	167	before[U_NAME], buid);
	168
eb63ae5f	169	code = pr_try(pr_DeleteByID, buid);
60c22e5f	170	if (code && code != PRNOENT) {
	171	critical_alert("incremental",
	172	"Couldn't delete user %s (id %d): %s",
	173	before[U_NAME], buid, error_message(code));
	174	}
	175	return;
	176	}
	177	if (astate == 1) {
92d359ba	178	com_err(whoami, 0, "%s user %s (uid %d)",
	179	((bstate != 0) ? "Reactivating" : "Creating"),
	180	after[U_NAME], auid);
	181
eb63ae5f	182	code = pr_try(pr_CreateUser, after[U_NAME], &auid);
60c22e5f	183	if (code) {
	184	critical_alert("incremental",
	185	"Couldn't create user %s (id %d): %s",
	186	after[U_NAME], auid, error_message(code));
96786144	187	return;
60c22e5f	188	}
2dbcb756	189
0f82335a	190	if (bstate != 0) {
9b273918	191	/* Reactivating a user; get his group list */
14d69e25	192	code = moira_connect();
9b273918	193	if (code) {
	194	critical_alert("incremental",
	195	"Error contacting Moira server to retrieve grouplist of user %s: %s",
	196	after[U_NAME], error_message(code));
	197	return;
	198	}
2dbcb756	199	av[0] = "ruser";
9b273918	200	av[1] = after[U_NAME];
	201	code = mr_query("get_lists_of_member", 2, av,
	202	add_user_lists, after[U_NAME]);
b80d6d78	203	if (code && code != MR_NO_MATCH)
9b273918	204	critical_alert("incremental",
	205	"Couldn't retrieve membership of user %s: %s",
	206	after[U_NAME], error_message(code));
14d69e25	207	moira_disconnect();
9b273918	208	}
60c22e5f	209	return;
fb8809f4	210	}
	211	}
	212
	213
fb8809f4	214	do_list(before, beforec, after, afterc)
	215	char **before;
	216	int beforec;
	217	char **after;
	218	int afterc;
	219	{
8ec23c21	220	register int agid, bgid;
eb63ae5f	221	int ahide, bhide;
60c22e5f	222	long code, id;
60c22e5f	223	char g1[PR_MAXNAMELEN], g2[PR_MAXNAMELEN];
ed9a5300	224	char *av[2];
fb8809f4	225
60c22e5f	226	agid = bgid = 0;
8ec23c21	227	if (beforec > L_GID && atoi(before[L_ACTIVE]) && atoi(before[L_GROUP])) {
60c22e5f	228	bgid = atoi(before[L_GID]);
8ec23c21	229	bhide = atoi(before[L_HIDDEN]);
	230	}
	231	if (afterc > L_GID && atoi(after[L_ACTIVE]) && atoi(after[L_GROUP])) {
60c22e5f	232	agid = atoi(after[L_GID]);
8ec23c21	233	ahide = atoi(after[L_HIDDEN]);
8ec23c21	234	}
fb8809f4	235
60c22e5f	236	if (agid == 0 && bgid == 0) /* Not active groups */
60c22e5f	237	return;
60c22e5f	238
60c22e5f	239	if (agid && bgid) {
8ec23c21	240	if (strcmp(after[L_NAME], before[L_NAME])) {
	241	/* Only a modify is required */
	242	strcpy(g1, "system:");
	243	strcpy(g2, "system:");
	244	strcat(g1, before[L_NAME]);
	245	strcat(g2, after[L_NAME]);
92d359ba	246
	247	com_err(whoami, 0, "Changing group %s (gid %d) to %s (gid %d)",
	248	before[L_NAME], bgid, after[L_NAME], agid);
	249
eb63ae5f	250	code = pr_try(pr_ChangeEntry, g1, g2, -agid, "");
8ec23c21	251	if (code) {
	252	critical_alert("incremental",
	253	"Couldn't change group %s (id %d) to %s (id %d): %s",
	254	before[L_NAME], -bgid, after[L_NAME], -agid,
	255	error_message(code));
	256	}
	257	}
	258	if (ahide != bhide) {
92d359ba	259	com_err(whoami, 0, "Making group %s (gid %d) %s",
	260	after[L_NAME], agid,
	261	(ahide ? "hidden" : "visible"));
eb63ae5f	262	code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
	263	(ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
	264	0 /ngroups/, 0 /nusers/);
8ec23c21	265	if (code) {
	266	critical_alert("incremental",
	267	"Couldn't set flags of group %s: %s",
	268	after[L_NAME], error_message(code));
	269	}
60c22e5f	270	}
fb8809f4	271	return;
fb8809f4	272	}
60c22e5f	273	if (bgid) {
92d359ba	274	com_err(whoami, 0, "Deleting group %s (gid %d)",
92d359ba	275	before[L_NAME], bgid);
eb63ae5f	276	code = pr_try(pr_DeleteByID, -bgid);
60c22e5f	277	if (code && code != PRNOENT) {
	278	critical_alert("incremental",
	279	"Couldn't delete group %s (id %d): %s",
	280	before[L_NAME], -bgid, error_message(code));
	281	}
fb8809f4	282	return;
fb8809f4	283	}
60c22e5f	284	if (agid) {
	285	strcpy(g1, "system:");
	286	strcat(g1, after[L_NAME]);
	287	strcpy(g2, "system:administrators");
	288	id = -agid;
92d359ba	289	com_err(whoami, 0, "Creating %s group %s (gid %d)",
92d359ba	290	(ahide ? "hidden" : "visible"), after[L_NAME], agid);
eb63ae5f	291	code = pr_try(pr_CreateGroup, g1, g2, &id);
60c22e5f	292	if (code) {
	293	critical_alert("incremental",
	294	"Couldn't create group %s (id %d): %s",
ed9a5300	295	after[L_NAME], id, error_message(code));
60c22e5f	296	return;
60c22e5f	297	}
8ec23c21	298	if (ahide) {
eb63ae5f	299	code = pr_try(pr_SetFieldsEntry, -agid, PR_SF_ALLBITS,
	300	(ahide ? PRP_STATUS_ANY : PRP_GROUP_DEFAULT) >>PRIVATE_SHIFT,
	301	0 /ngroups/, 0 /nusers/);
8ec23c21	302	if (code) {
	303	critical_alert("incremental",
	304	"Couldn't set flags of group %s: %s",
	305	after[L_NAME], error_message(code));
	306	}
	307	}
60c22e5f	308
60c22e5f	309	/* We need to make sure the group is properly populated */
c69d9f2c	310	if (beforec < L_ACTIVE) return;
60c22e5f	311
14d69e25	312	code = moira_connect();
ed9a5300	313	if (code) {
	314	critical_alert("incremental",
	315	"Error contacting Moira server to resolve %s: %s",
	316	after[L_NAME], error_message(code));
	317	return;
	318	}
cdf6674b	319	av[0] = after[L_NAME];
cdf6674b	320	code = mr_query("get_end_members_of_list", 1, av,
063819ef	321	add_list_members, after[L_NAME]);
	322	if (code)
	323	critical_alert("incremental",
	324	"Couldn't retrieve full membership of list %s: %s",
	325	after[L_NAME], error_message(code));
14d69e25	326	moira_disconnect();
ed9a5300	327	return;
60c22e5f	328	}
fb8809f4	329	}
	330
	331
f2cf09f5	332
	333	#define LM_EXTRA_ACTIVE (LM_END)
	334	#define LM_EXTRA_PUBLIC (LM_END+1)
	335	#define LM_EXTRA_HIDDEN (LM_END+2)
	336	#define LM_EXTRA_MAILLIST (LM_END+3)
	337	#define LM_EXTRA_GROUP (LM_END+4)
	338	#define LM_EXTRA_GID (LM_END+5)
	339	#define LM_EXTRA_END (LM_END+6)
	340
fb8809f4	341	do_member(before, beforec, after, afterc)
	342	char **before;
	343	int beforec;
	344	char **after;
	345	int afterc;
	346	{
60c22e5f	347	int code;
60c22e5f	348	char *p;
60c22e5f	349
f2cf09f5	350	if (afterc) {
51b6cfe7	351	if (afterc < LM_EXTRA_END) {
f2cf09f5	352	return;
f2cf09f5	353	} else
a859d2ed	354	if (!atoi(after[LM_EXTRA_ACTIVE]) \|\| !atoi(after[LM_EXTRA_GROUP]))
f2cf09f5	355	return;
	356
	357	edit_group(1, after[LM_LIST], after[LM_TYPE], after[LM_MEMBER]);
	358	} else if (beforec) {
51b6cfe7	359	if (beforec < LM_EXTRA_END) {
f2cf09f5	360	return;
f2cf09f5	361	} else
a859d2ed	362	if (!atoi(before[LM_EXTRA_ACTIVE]) \|\| !atoi(before[LM_EXTRA_GROUP]))
f2cf09f5	363	return;
e9f07a3b	364	edit_group(0, before[LM_LIST], before[LM_TYPE], before[LM_MEMBER]);
f2cf09f5	365	}
ed9a5300	366	}
	367
	368
eb63ae5f	369	do_filesys(before, beforec, after, afterc)
	370	char **before;
	371	int beforec;
	372	char **after;
	373	int afterc;
	374	{
	375	char cmd[1024];
89e513d9	376	int acreate, atype, btype;
	377
	378	if (afterc < FS_CREATE) {
	379	atype = acreate = 0;
	380	} else {
	381	atype = !strcmp(after[FS_TYPE], "AFS");
	382	acreate = atoi(after[FS_CREATE]);
	383	}
	384
eb63ae5f	385	if (beforec < FS_CREATE) {
89e513d9	386	if (acreate == 0 \|\| atype == 0) return;
eb63ae5f	387
	388	/* new locker creation */
	389	sprintf(cmd, "%s/perl -I%s %s/afs_create.pl %s %s %s %s %s %s",
	390	BIN_DIR, BIN_DIR, BIN_DIR,
	391	after[FS_NAME], after[FS_L_TYPE], after[FS_MACHINE],
	392	after[FS_PACK], after[FS_OWNER], after[FS_OWNERS]);
	393	run_cmd(cmd);
	394	return;
	395	}
89e513d9	396
89e513d9	397	btype = !strcmp(before[FS_TYPE], "AFS");
eb63ae5f	398	if (afterc < FS_CREATE) {
89e513d9	399	if (btype)
eb63ae5f	400	critical_alert("incremental",
3b1e9c5f	401	"Cannot delete AFS filesystem %s: Operation not supported",
eb63ae5f	402	before[FS_NAME]);
eb63ae5f	403	return;
eb63ae5f	404	}
3b1e9c5f	405
	406	if (!acreate)
	407	return;
	408
	409	/* Are we dealing with AFS lockers (could be type ERR lockers) */
	410	if (!atype && !btype)
	411	if (strcmp(before[FS_TYPE], "ERR") \|\| strcmp(after[FS_TYPE], "ERR"))
	412	return;
	413
	414	/* By now, we know we are simply changing AFS filesystem attributes.
	415	* Operations supported:
	416	* Name change: rename/remount
	417	* Path change: remount
	418	* Type change: ERR<-->AFS
	419	*/
0f82335a	420
0f82335a	421	#if 0
3b1e9c5f	422	if (strcmp(before[FS_OWNER], after[FS_OWNER]) \|\|
3ae9c0f3	423	strcmp(before[FS_OWNERS], after[FS_OWNERS]))
3b1e9c5f	424	{
	425	critical_alert("incremental",
	426	"Cannot change ownership of filesystem %s: Operation not yet supported",
	427	after[FS_NAME]);
	428	}
0f82335a	429	#endif
3b1e9c5f	430
	431	sprintf(cmd, "%s/perl -I%s %s/afs_rename.pl %s %s %s %s %s %s %s %s %s %s",
	432	BIN_DIR, BIN_DIR, BIN_DIR,
3ae9c0f3	433	before[FS_NAME], before[FS_MACHINE], before[FS_TYPE],
3b1e9c5f	434	before[FS_L_TYPE], before[FS_PACK],
3ae9c0f3	435	after[FS_NAME], after[FS_MACHINE], after[FS_TYPE],
3b1e9c5f	436	after[FS_L_TYPE], after[FS_PACK]);
3b1e9c5f	437	run_cmd(cmd);
eb63ae5f	438	}
	439
	440
	441	do_quota(before, beforec, after, afterc)
	442	char **before;
	443	int beforec;
	444	char **after;
	445	int afterc;
	446	{
	447	char cmd[1024];
	448
	449	if (afterc < Q_DIRECTORY \|\| strcmp("ANY", after[Q_TYPE]) \|\|
	450	strncmp("/afs/", after[Q_DIRECTORY], 5))
	451	return;
	452
	453	sprintf(cmd, "%s/perl -I%s %s/afs_quota.pl %s %s",
	454	BIN_DIR, BIN_DIR, BIN_DIR,
	455	after[Q_DIRECTORY], after[Q_QUOTA]);
	456	run_cmd(cmd);
	457	return;
	458	}
	459
	460
	461	run_cmd(cmd)
	462	char *cmd;
	463	{
	464	int success=0, tries=0;
	465
	466	check_afs();
	467
	468	while (success == 0 && tries < 2) {
	469	if (tries++)
	470	sleep(90);
	471	com_err(whoami, 0, "Executing command: %s", cmd);
	472	if (system(cmd) == 0)
	473	success++;
	474	}
	475	if (!success)
	476	critical_alert("incremental", "failed command: %s", cmd);
	477	}
	478
	479
	480	add_user_lists(ac, av, user)
	481	int ac;
	482	char *av[];
	483	char *user;
	484	{
2cb1f02c	485	if (atoi(av[L_ACTIVE]) && atoi(av[L_GROUP])) /* active group ? */
2cb1f02c	486	edit_group(1, av[L_NAME], "USER", user);
d4ea75d6	487	return 0;
eb63ae5f	488	}
	489
	490
063819ef	491	add_list_members(ac, av, group)
ed9a5300	492	int ac;
	493	char *av[];
	494	char *group;
	495	{
063819ef	496	edit_group(1, group, av[0], av[1]);
d4ea75d6	497	return 0;
ed9a5300	498	}
	499
	500
c69d9f2c	501	check_user(ac, av, ustate)
	502	int ac;
	503	char *av[];
	504	int *ustate;
	505	{
2cb1f02c	506	*ustate = atoi(av[U_STATE]);
d4ea75d6	507	return 0;
c69d9f2c	508	}
	509
	510
ed9a5300	511	edit_group(op, group, type, member)
	512	int op;
	513	char *group;
	514	char *type;
	515	char *member;
	516	{
	517	char *p = 0;
	518	char buf[PR_MAXNAMELEN];
c69d9f2c	519	int code, ustate;
d1be2e3a	520	static char local_realm[REALM_SZ+1] = "";
2cb1f02c	521	struct member *m;
ed9a5300	522
60c22e5f	523	/* The following KERBEROS code allows for the use of entities
	524	* user@foreign_cell.
	525	*/
d1be2e3a	526	if (!local_realm[0])
d1be2e3a	527	krb_get_lrealm(local_realm, 1);
ed9a5300	528	if (!strcmp(type, "KERBEROS")) {
f19e3bf8	529	p = strchr(member, '@');
d1be2e3a	530	if (p && !strcasecmp(p+1, local_realm))
60c22e5f	531	*p = 0;
ed9a5300	532	} else if (strcmp(type, "USER"))
ed9a5300	533	return; /* invalid type */
60c22e5f	534
2cb1f02c	535	/* Cannot risk doing another query during a callback */
	536	/* We could do this simply for type USER, but eventually this may also
	537	* dynamically add KERBEROS types to the prdb, and we will need to do
	538	* a query to look up the uid of the null-instance user */
	539	if (mr_connections) {
	540	m = (struct member *)malloc(sizeof(struct member));
	541	if (!m) {
	542	critical_alert("incremental", "Out of memory");
	543	exit(1);
	544	}
	545	m->op = op;
	546	strcpy(m->list, group);
	547	strcpy(m->type, type);
	548	strcpy(m->member, member);
	549	m->next = member_head;
	550	member_head = m;
	551	return;
	552	}
	553
ed9a5300	554	strcpy(buf, "system:");
ed9a5300	555	strcat(buf, group);
92d359ba	556	com_err(whoami, 0, "%s %s %s group %s",
	557	(op ? "Adding" : "Removing"), member,
	558	(op ? "to" : "from"), group);
d4ea75d6	559	code = 0;
eb63ae5f	560	code=pr_try(op ? pr_AddToGroup : pr_RemoveUserFromGroup, member, buf);
ed9a5300	561	if (code) {
c69d9f2c	562	if (op==1 && code == PRIDEXIST) return; /* Already added */
	563
	564	if (code == PRNOENT) { /* Something is missing */
	565	if (op==0) return; /* Already deleted */
	566	if (!strcmp(type, "KERBEROS")) /* Special instances; ok */
	567	return;
	568
	569	/* Check whether the member being added is an active user */
14d69e25	570	code = moira_connect();
c69d9f2c	571	if (!code) code = mr_query("get_user_by_login", 1, &member,
	572	check_user, &ustate);
	573	if (code) {
	574	critical_alert("incremental",
	575	"Error contacting Moira server to lookup user %s: %s",
	576	member, error_message(code));
	577	}
6250582e	578
	579	/* We don't use moira_disconnect()
	580	* because we may already be in the routine.
	581	*/
	582	mr_disconnect();
	583	mr_connections--;
	584
c69d9f2c	585	if (!code && ustate!=1 && ustate!=2) return; /* inactive user */
32ed4a32	586	code = PRNOENT;
60c22e5f	587	}
c69d9f2c	588
	589	critical_alert("incremental",
	590	"Couldn't %s %s %s %s: %s",
	591	op ? "add" : "remove", member,
	592	op ? "to" : "from", buf,
	593	error_message(code));
57bc9f26	594	}
fb8809f4	595	}
	596
	597
eb63ae5f	598	long pr_try(fn, a1, a2, a3, a4, a5, a6, a7, a8)
	599	long (*fn)();
	600	char a1, a2, a3, a4, a5, a6, a7, a8;
fb8809f4	601	{
eb63ae5f	602	static int initd=0;
e2666aac	603	register long code;
eb63ae5f	604	register int tries = 0;
	605	#ifdef DEBUG
	606	char fname[64];
	607	#endif
	608
	609	check_afs();
d4ea75d6	610
7fca28a9	611	if (initd) {
	612	code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
	613	} else {
	614	code = 0;
eb63ae5f	615	initd = 1;
9b9540a1	616	}
7fca28a9	617	if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	618	if (code) {
	619	critical_alert("incremental", "Couldn't initialize libprot: %s",
	620	error_message(code));
	621	return;
	622	}
	623
16838ad1	624	sleep(1); /* give ptserver room */
9b9540a1	625
eb63ae5f	626	while (code = (*fn)(a1, a2, a3, a4, a5, a6, a7, a8)) {
	627	#ifdef DEBUG
	628	long t;
	629	t = time(0);
	630	if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
	631	else if (fn == pr_RemoveUserFromGroup)
	632	strcpy(fname, "pr_RemoveUserFromGroup");
	633	else if (fn == pr_CreateUser) strcpy(fname, "pr_CreateUser");
	634	else if (fn == pr_CreateGroup) strcpy(fname, "pr_CreateGroup");
	635	else if (fn == pr_DeleteByID) strcpy(fname, "pr_DeleteByID");
	636	else if (fn == pr_ChangeEntry) strcpy(fname, "pr_ChangeEntry");
	637	else if (fn == pr_SetFieldsEntry) strcpy(fname, "pr_SetFieldsEntry");
	638	else if (fn == pr_AddToGroup) strcpy(fname, "pr_AddToGroup");
16838ad1	639	else
eb63ae5f	640	sprintf(fname, "pr_??? (0x%08x)", (long)fn);
eb63ae5f	641
16838ad1	642	com_err(whoami, code, "- %s failed (try %d @%u)", fname, tries+1, t);
eb63ae5f	643	#endif
16838ad1	644	if (++tries > 2) break; /* 3 tries */
	645
	646	if (code == UNOQUORUM) sleep(90);
	647	else sleep(15);
	648
	649	/* Re-initialize the prdb connection */
	650	code=pr_Initialize(0, AFSCONF_CLIENTNAME, 0);
	651	if (!code) code=pr_Initialize(1, AFSCONF_CLIENTNAME, 0);
	652	if (code) {
	653	critical_alert("incremental", "Couldn't re-initialize libprot: %s",
	654	error_message(code));
	655	initd = 0; /* we lost */
	656	break;
	657	}
9b9540a1	658	}
eb63ae5f	659	return code;
fb8809f4	660	}
	661
	662
eb63ae5f	663	check_afs()
fb8809f4	664	{
eb63ae5f	665	int i;
	666
	667	for (i=0; file_exists(STOP_FILE); i++) {
	668	if (i > 30) {
	669	critical_alert("incremental",
	670	"AFS incremental failed (%s exists): %s",
	671	STOP_FILE, tbl_buf);
	672	exit(1);
	673	}
	674	sleep(60);
	675	}
fb8809f4	676	}
14d69e25	677
14d69e25	678
14d69e25	679	moira_connect()
	680	{
	681	static char hostname[64];
	682	long code;
	683
	684	if (!mr_connections++) {
	685	gethostname(hostname, sizeof(hostname));
	686	code = mr_connect(hostname);
	687	if (!code) code = mr_auth("afs.incr");
	688	return code;
	689	}
	690	return 0;
	691	}
	692
	693	moira_disconnect()
	694	{
2cb1f02c	695	struct member *m;
2cb1f02c	696
14d69e25	697	if (!--mr_connections) {
32ed4a32	698	mr_disconnect();
32ed4a32	699	while(m = member_head) {
2cb1f02c	700	edit_group(m->op, m->list, m->type, m->member);
	701	member_head = m->next;
	702	free(m);
	703	}
14d69e25	704	}
	705	return 0;
	706	}