[moira.git] / server / qsupport.dc

/*
 *	$Source$
 *	$Author$
 *	$Header$
 *
 *	Copyright (C) 1987 by the Massachusetts Institute of Technology
 *	For copying and distribution information, please see the file
 *	<mit-copyright.h>.
 *
 */

#ifndef lint
static char *rcsid_qsupport_dc = "$Header$";
#endif lint

#include <mit-copyright.h>
#include "query.h"
#include "mr_server.h"
#include <ctype.h>
#ifdef GDSS
#include "gdss.h"
#endif /* GDSS */
EXEC SQL INCLUDE sqlca;
EXEC SQL INCLUDE sqlda;
#include "qrtn.h"

extern char *whoami, *strsave();
extern int ingres_errno, mr_errcode;

EXEC SQL BEGIN DECLARE SECTION;
int idummy;
extern char cdummy[];
extern char stmt_buf[];
EXEC SQL END DECLARE SECTION;

/* Specialized Access Routines */

/* access_user - verify that client name equals specified login name
 *
 *  - since field validation routines are called first, a users_id is
 *    now in argv[0] instead of the login name.
 */

EXEC SQL WHENEVER SQLERROR CALL ingerr;

access_user(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    if (cl->users_id != *(int *)argv[0])
	return(MR_PERM);
    else
	return(MR_SUCCESS);
}


/* access_login - verify that client name equals specified login name
 *
 *   argv[0...n] contain search info.  q->
 */

access_login(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id;
    char qual[256];
    EXEC SQL END DECLARE SECTION;

    build_qual(q->qual, q->argc, argv, qual);
    EXEC SQL SELECT users_id INTO :id FROM users WHERE :qual;

    if (sqlca.sqlerrd[2] != 1 || id != cl->users_id)
	return(MR_PERM);
    else
	return(MR_SUCCESS);
}


/* access_list - check access for most list operations
 *
 * Inputs: argv[0] - list_id
 *	    q - query name
 *	    argv[2] - member ID (only for queries "amtl" and  "dmfl")
 *	    argv[7] - group IID (only for query "ulis")
 *          cl - client name
 *
 * - check that client is a member of the access control list
 * - OR, if the query is add_member_to_list or delete_member_from_list
 *	and the list is public, allow access if client = member
 */

access_list(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int list_id, acl_id, flags, gid;
    char acl_type[9];
    EXEC SQL END DECLARE SECTION;
    char *client_type;
    int client_id, status;

    list_id = *(int *)argv[0];
    EXEC SQL SELECT acl_id, acl_type, gid, publicflg
      INTO :acl_id, :acl_type, :gid, :flags
      FROM list
      WHERE list_id = :list_id;

    if (sqlca.sqlerrd[2] != 1)
      return(MR_INTERNAL);

    /* parse client structure */
    if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
	return(status);

    /* if amtl or dmfl and list is public allow client to add or delete self */
    if (((!strcmp("amtl", q->shortname) && flags) ||
	 (!strcmp("dmfl", q->shortname))) &&
	(!strcmp("USER", argv[1]))) {
	if (*(int *)argv[2] == client_id) return(MR_SUCCESS);
    /* if update_list, don't allow them to change the GID */
    } else if (!strcmp("ulis", q->shortname)) {
	if ((!strcmp(argv[7], UNIQUE_GID) && (gid != -1)) ||
	    (strcmp(argv[7], UNIQUE_GID) && (gid != atoi(argv[7]))))
	  return(MR_PERM);
    }

    /* check for client in access control list */
    status = find_member(acl_type, acl_id, client_type, client_id, 0);
    if (!status) return(MR_PERM);

    return(MR_SUCCESS);
}


/* access_visible_list - allow access to list only if it is not hidden,
 *	or if the client is on the ACL
 *
 * Inputs: argv[0] - list_id
 *         cl - client identifier
 */

access_visible_list(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int list_id, acl_id, flags ;
    char acl_type[9];
    EXEC SQL END DECLARE SECTION;
    char *client_type;
    int client_id, status;

    list_id = *(int *)argv[0];
    EXEC SQL SELECT hidden, acl_id, acl_type
      INTO :flags, :acl_id, :acl_type
      FROM list
      WHERE list_id = :list_id;
    if (sqlca.sqlerrd[2] != 1)
      return(MR_INTERNAL);
    if (!flags)
        return(MR_SUCCESS);

    /* parse client structure */
    if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
	return(status);

    /* check for client in access control list */
    status = find_member(acl_type, acl_id, client_type, client_id, 0);
    if (!status)
	return(MR_PERM);

    return(MR_SUCCESS);
}


/* access_vis_list_by_name - allow access to list only if it is not hidden,
 *	or if the client is on the ACL
 *
 * Inputs: argv[0] - list name
 *         cl - client identifier
 */

access_vis_list_by_name(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int acl_id, flags, rowcount;
    char acl_type[9], *listname;
    EXEC SQL END DECLARE SECTION;
    char *client_type;
    int client_id, status;

    listname = argv[0];
    EXEC SQL SELECT hidden, acl_id, acl_type INTO :flags, :acl_id, :acl_type
      FROM list WHERE name = :listname;

    rowcount=sqlca.sqlerrd[2];
    if (rowcount > 1)
      return(MR_WILDCARD);
    if (rowcount == 0)
      return(MR_NO_MATCH);
    if (!flags)
	return(MR_SUCCESS);

    /* parse client structure */
    if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
	return(status);

    /* check for client in access control list */
    status = find_member(acl_type, acl_id, client_type, client_id, 0);
    if (!status)
	return(MR_PERM);

    return(MR_SUCCESS);
}


/* access_member - allow user to access member of type "USER" and name matches
 * username, or to access member of type "LIST" and list is one that user is
 * on the acl of, or the list is visible.
 */

access_member(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    if (!strcmp(argv[0], "LIST") || !strcmp(argv[0], "RLIST"))
      return(access_visible_list(q, &argv[1], cl));

    if (!strcmp(argv[0], "USER") || !strcmp(argv[0], "RUSER")) {
	if (cl->users_id == *(int *)argv[1])
	  return(MR_SUCCESS);
    }

    if (!strcmp(argv[0], "KERBEROS") || !strcmp(argv[0], "RKERBERO")) {
        if (cl->client_id == *(int *)argv[1])
	  return(MR_SUCCESS);
    }

    return(MR_PERM);
}


/* access_qgli - special access routine for Qualified_get_lists.  Allows
 * access iff argv[0] == "TRUE" and argv[2] == "FALSE".
 */

access_qgli(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    if (!strcmp(argv[0], "TRUE") && !strcmp(argv[2], "FALSE"))
      return(MR_SUCCESS);
    return(MR_PERM);
}


/* access_service - allow access if user is on ACL of service.  Don't
 * allow access if a wildcard is used.
 */

access_service(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int acl_id;
    char *name, acl_type[9];
    EXEC SQL END DECLARE SECTION;
    int client_id, status;
    char *client_type, *c;

    name = argv[0];
    for(c=name;*c;c++) if(islower(*c)) *c = toupper(*c);  /* uppercasify */
    EXEC SQL SELECT acl_id, acl_type INTO :acl_id, :acl_type FROM servers
      WHERE name = :name;
    if (sqlca.sqlerrd[2] > 1)
      return(MR_PERM);

    /* parse client structure */
    if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
	return(status);

    /* check for client in access control list */
    status = find_member(acl_type, acl_id, client_type, client_id, 0);
    if (!status) return(MR_PERM);

    return(MR_SUCCESS);
}


/* access_filesys - verify that client is owner or on owners list of filesystem
 *	named by argv[0]
 */

access_filesys(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int users_id, list_id;
    char *name;
    EXEC SQL END DECLARE SECTION;
    int status, client_id;
    char *client_type;

    name = argv[0];
    EXEC SQL SELECT owner, owners INTO :users_id, :list_id FROM filesys
      WHERE label = :name;

    if (sqlca.sqlerrd[2] != 1)
      return(MR_PERM);
    if (users_id == cl->users_id)
      return(MR_SUCCESS);
    if ((status = get_client(cl, &client_type, &client_id)) != MR_SUCCESS)
      return(status);
    status = find_member("LIST", list_id, client_type, client_id, 0);
    if (status)
      return(MR_SUCCESS);
    else
      return(MR_PERM);
}


\f
/* Setup Routines */

/* Setup routine for add_user
 *
 * Inputs: argv[0] - login
 *         argv[1] - uid
 *
 * Description:
 *
 * - if argv[1] == UNIQUE_UID then set argv[1] = next(uid)
 * - if argv[0] == UNIQUE_LOGIN then set argv[0] = "#<uid>"
 */

setup_ausr(q, argv, cl)
    struct query *q;
    register char *argv[];
    client *cl;
{
    int row;
    EXEC SQL BEGIN DECLARE SECTION;
    int nuid;
    EXEC SQL END DECLARE SECTION;

    if (!strcmp(q->shortname, "uusr") || !strcmp(q->shortname, "uuac"))
      row = 2;
    else
      row = 1;
    if (!strcmp(argv[row], UNIQUE_UID) || atoi(argv[row]) == -1) {
	if (set_next_object_id("uid", "users", 1))
	  return(MR_INGRES_ERR);
	EXEC SQL SELECT value INTO :nuid FROM numvalues WHERE name = 'uid';
	if (sqlca.sqlerrd[2] != 1)
	  return(MR_INTERNAL);
	sprintf(argv[row], "%d", nuid);
    }

    if (!strcmp(argv[0], UNIQUE_LOGIN) || atoi(argv[row]) == -1) {
	sprintf(argv[0], "#%s", argv[row]);
    }

    if((mr_errcode=prefetch_value(q,argv,cl))!=MR_SUCCESS)
      return(mr_errcode);

    return(MR_SUCCESS);
}


/* setup_dusr - verify that the user is no longer being referenced
 * and may safely be deleted.
 */

int setup_dusr(q, argv)
    struct query *q;
    char **argv;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int flag, id;
    EXEC SQL END DECLARE SECTION;

    id = *(int *)argv[0];

    /* For now, only allow users to be deleted if their status is 0 */
    EXEC SQL REPEATED SELECT status INTO :flag FROM users
      WHERE users_id = :id;
    if (flag != 0 && flag != 4)
      return(MR_IN_USE);

    EXEC SQL REPEATED DELETE FROM quota WHERE entity_id = :id AND type = 'USER';
    EXEC SQL REPEATED DELETE FROM krbmap WHERE users_id = :id;
    EXEC SQL REPEATED SELECT member_id INTO :idummy FROM imembers
      WHERE member_id = :id AND member_type = 'USER';
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT label INTO :cdummy FROM filesys WHERE owner = :id;
    if (sqlca.sqlerrd[2]> 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT name INTO :cdummy FROM list
      WHERE acl_id = :id AND acl_type = 'USER';
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT name INTO :cdummy FROM servers
      WHERE acl_id = :id AND acl_type = 'USER';
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT acl_id INTO :idummy FROM hostaccess
      WHERE acl_id = :id AND acl_type = 'USER';
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    if (ingres_errno)
	return(mr_errcode);
    return(MR_SUCCESS);
}


/* setup_spop: verify that there is already a valid POP machine_id in the
 * pop_id field.  Also take care of keeping track of the post office usage.
 */
int setup_spop(q, argv)
struct query *q;
char **argv;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id, mid, flag;
    char type[9];
    EXEC SQL END DECLARE SECTION;

    id = *(int *)argv[0];
    EXEC SQL REPEATED SELECT potype, pop_id INTO :type, :mid FROM users
      WHERE users_id = :id;
    if(sqlca.sqlerrd[2] = 0)
      return(MR_MACHINE);
    EXEC SQL REPEATED SELECT mach_id INTO :mid FROM machine
      WHERE mach_id = :mid;
    if (sqlca.sqlerrd[2] = 0)
      return(MR_MACHINE);
    if (strcmp(strtrim(type), "POP"))
      set_pop_usage(mid, 1);
    return(MR_SUCCESS);
}


/* setup_dpob:  Take care of keeping track of the post office usage.
 */
int setup_dpob(q, argv)
     struct query *q;
     char **argv;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id, user;
    char type[9];
    EXEC SQL END DECLARE SECTION;

    user = *(int *)argv[0];
    EXEC SQL REPEATED SELECT potype, pop_id INTO :type, :id FROM users
      WHERE users_id = :user;
    if (ingres_errno) return(mr_errcode);

    if (!strcmp(strtrim(type), "POP"))
      set_pop_usage(id, -1);
    return(MR_SUCCESS);
}


/* setup_dmac - verify that the machine is no longer being referenced
 * and may safely be deleted.
 */

int setup_dmac(q, argv)
    struct query *q;
    char **argv;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int flag, id;
    EXEC SQL END DECLARE SECTION;

    id = *(int *)argv[0];
    EXEC SQL REPEATED SELECT login INTO :cdummy FROM users
      WHERE potype='POP' AND pop_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT mach_id INTO :idummy FROM serverhosts
      WHERE mach_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT mach_id INTO :idummy FROM nfsphys
      WHERE mach_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT mach_id INTO :idummy FROM hostaccess
      WHERE mach_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT mach_id INTO :idummy FROM printcap
      WHERE mach_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT quotaserver INTO :idummy FROM printcap
      WHERE quotaserver = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT mach_id INTO :idummy FROM palladium
      WHERE mach_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);

    EXEC SQL REPEATED DELETE FROM mcmap WHERE mach_id = :id;
    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


/* setup_dclu - verify that the cluster is no longer being referenced
 * and may safely be deleted.
 */

int setup_dclu(q, argv)
    struct query *q;
    char **argv;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id;
    EXEC SQL END DECLARE SECTION;

    id = *(int *)argv[0];
    EXEC SQL REPEATED SELECT mach_id INTO :idummy FROM mcmap
      WHERE clu_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT clu_id INTO :idummy FROM svc
      WHERE clu_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    if (ingres_errno)
	return(mr_errcode);
    return(MR_SUCCESS);
}


/* setup_alis - if argv[5] is non-zero and argv[6] is UNIQUE_ID, then allocate
 * a new gid and put it in argv[6].  Otherwise if argv[6] is UNIQUE_ID but
 * argv[5] is not, then remember that UNIQUE_ID is being stored by putting
 * a -1 there.  Remember that this is also used for ulis, with the indexes
 * at 6 & 7.  Also check that the list name does not contain uppercase
 * characters, control characters, @, or :.
 */

static int badlistchars[] = {
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^@ - ^O */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^P - ^_ */
    0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, /* SPACE - / */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, /* 0 - ? */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* @ - O */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, /* P - _ */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* ` - o */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, /* p - ^? */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
};

int setup_alis(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int ngid;
    EXEC SQL END DECLARE SECTION;
    char *malloc();
    unsigned char *p;
    int idx;

    if (!strcmp(q->shortname, "alis"))
      idx = 0;
    else if (!strcmp(q->shortname, "ulis"))
      idx = 1;

    for (p = (unsigned char *) argv[idx]; *p; p++)
      if (badlistchars[*p])
        return(MR_BAD_CHAR);
 
    if (!strcmp(argv[6 + idx], UNIQUE_GID) || atoi(argv[6 + idx]) == -1) {
	if (atoi(argv[5 + idx])) {
	    if (set_next_object_id("gid", "list", 1))
	      return(MR_INGRES_ERR);
	    EXEC SQL REPEATED SELECT value INTO :ngid FROM numvalues
	      WHERE name = 'gid';
	    if (ingres_errno) return(mr_errcode);
	    sprintf(argv[6 + idx], "%d", ngid);
	} else {
	    strcpy(argv[6 + idx], "-1");
	}
    }

    if((mr_errcode=prefetch_value(q,argv,cl))!=MR_SUCCESS)
      return(mr_errcode);

    return(MR_SUCCESS);
}


/* setup_dlis - verify that the list is no longer being referenced
 * and may safely be deleted.
 */

int setup_dlis(q, argv)
    struct query *q;
    char *argv[];
{
    EXEC SQL BEGIN DECLARE SECTION;
    int flag, id;
    EXEC SQL END DECLARE SECTION;

    id = *(int *)argv[0];
    EXEC SQL REPEATED SELECT member_id INTO :idummy FROM imembers
      WHERE member_id = :id AND member_type='LIST';
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT member_id INTO :idummy FROM imembers
      WHERE list_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT label INTO :cdummy FROM filesys
      WHERE owners = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT tag INTO :cdummy FROM capacls
      WHERE list_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT name INTO :cdummy FROM list
      WHERE acl_id = :id AND acl_type='LIST' AND list_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT name INTO :cdummy FROM servers
      WHERE acl_id = :id AND acl_type='LIST';
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT entity_id INTO :idummy FROM quota
      WHERE entity_id = :id AND type='GROUP';
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT acl_id INTO :idummy FROM hostaccess
      WHERE acl_id = :id AND acl_type='LIST';
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT class INTO :cdummy FROM zephyr z
      WHERE z.xmt_type = 'LIST' AND z.xmt_id = :id
	 OR z.sub_type = 'LIST' AND z.sub_id = :id
	 OR z.iws_type = 'LIST' AND z.iws_id = :id
	 OR z.iui_type = 'LIST' AND z.iui_id = :id;
    if (sqlca.sqlerrd[2] > 0)
        return(MR_IN_USE);
    if (ingres_errno)
	return(mr_errcode);
    return(MR_SUCCESS);
}


/* setup_dsin - verify that the service is no longer being referenced
 * and may safely be deleted.
 */

int setup_dsin(q, argv)
    struct query *q;
    char **argv;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *name;
    EXEC SQL END DECLARE SECTION;
    char *c;

    name = argv[0];
    for(c=name;*c;c++) if(islower(*c)) *c = toupper(*c);
    EXEC SQL REPEATED SELECT service INTO :cdummy FROM serverhosts
      WHERE service = :name;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    EXEC SQL REPEATED SELECT inprogress INTO :idummy FROM servers
      WHERE name = :name;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    if (ingres_errno)
	return(mr_errcode);
    return(MR_SUCCESS);
}


/* setup_dshi - verify that the service-host is no longer being referenced
 * and may safely be deleted.
 */

int setup_dshi(q, argv)
    struct query *q;
    char **argv;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id;
    char *name, *c;
    EXEC SQL END DECLARE SECTION;

    name = argv[0];
    for(c=name;*c;c++) if(islower(*c)) *c = toupper(*c);  /* to uppercase */
    id = *(int *)argv[1];
    EXEC SQL REPEATED SELECT inprogress INTO :idummy FROM serverhosts
      WHERE service = :name AND mach_id = :id;
    if (sqlca.sqlerrd[2] > 0)
	return(MR_IN_USE);
    if (ingres_errno)
	return(mr_errcode);
    return(MR_SUCCESS);
}


/**
 ** setup_add_filesys - verify existance of referenced file systems
 **
 ** Inputs:     Add
 **   argv[1] - type
 **   argv[2] - mach_id
 **   argv[3] - name
 **   argv[5] - access
 **
 ** Description:
 **   - for type = RVD:
 **	   * allow anything
 **   - for type = NFS:
 **        * extract directory prefix from name
 **        * verify mach_id/dir in nfsphys
 **        * verify access in {r, w, R, W}
 **
 **  Side effect: sets variable var_phys_id to the ID of the physical
 **	filesystem (nfsphys_id for NFS, 0 for RVD)
 **
 ** Errors:
 **   MR_NFS - specified directory not exported
 **   MR_FILESYS_ACCESS - invalid filesys access
 **
 **/

EXEC SQL BEGIN DECLARE SECTION;
static int var_phys_id;
EXEC SQL END DECLARE SECTION;

setup_afil(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    char *type, *name;
    int mach_id;
    EXEC SQL BEGIN DECLARE SECTION;
    int ok;
    char ftype[32], *access;
    EXEC SQL END DECLARE SECTION;

    type = argv[1];
    mach_id = *(int *)argv[2];
    name = argv[3];
    access = argv[5];
    var_phys_id = 0;

    sprintf(ftype, "fs_access_%s", type);
    EXEC SQL SELECT trans INTO :cdummy FROM alias
      WHERE name = :ftype AND type = 'TYPE' and trans = :access;
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] == 0) return(MR_FILESYS_ACCESS);

    if (!strcmp(type, "NFS"))
	return (check_nfs(mach_id, name, access));

    if((mr_errcode=prefetch_value(q,argv,cl))!=MR_SUCCESS)
      return(mr_errcode);

    return(MR_SUCCESS);
}


/* Verify the arguments, depending on the FStype.  Also, if this is an
 * NFS filesystem, then update any quotas for that filesystem to reflect
 * the new phys_id.
 */

setup_ufil(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    int mach_id, status;
    char *type, *name;
    EXEC SQL BEGIN DECLARE SECTION;
    int fid, total, who;
    char *entity, ftype[32], *access;
    int var_phys_id = 0;
    EXEC SQL END DECLARE SECTION;

    type = argv[2];
    mach_id = *(int *)argv[3];
    name = argv[4];
    access = argv[6];
    fid = *(int *)argv[0];
    who = cl->client_id;
    entity = cl->entity;

    sprintf(ftype, "fs_access_%s", type);
    EXEC SQL SELECT trans INTO :cdummy FROM alias
      WHERE name = :ftype AND type='TYPE' AND trans = :access;
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] == 0) return(MR_FILESYS_ACCESS);

    if (!strcmp(type, "NFS")) {
	status = check_nfs(mach_id, name, access);
	EXEC SQL UPDATE quota SET phys_id = :var_phys_id
	  WHERE filsys_id = :fid;
	if (ingres_errno) return(mr_errcode);
	return(status);
    } else if (!strcmp(type, "AFS")) {
	total = 0;
	EXEC SQL REPEATED DELETE FROM quota
	  WHERE type = 'ANY' AND filsys_id = :fid;
	EXEC SQL SELECT SUM (quota) INTO :total FROM quota
	  WHERE filsys_id = :fid AND phys_id != 0;
	if (ingres_errno) return(mr_errcode);
	if (total != 0) {
/*
 *             append quota (quota = total, filsys_id = fid,
 *			     phys_id = 0, entity_id = 0, type = "ANY",
 *			     modtime = "now", modby = who, modwith = entity)
 */
	    EXEC SQL INSERT INTO quota (quota, filsys_id, phys_id, entity_id,
					type, modtime, modby, modwith)
	      VALUES (:total, :fid, 0, 0,
		      'ANY', 'now', :who, :entity) ;
	    if (ingres_errno) return(mr_errcode);
	}
    } else {
	EXEC SQL UPDATE quota SET phys_id = 0 WHERE filsys_id = :fid;
	if (ingres_errno) return(mr_errcode);
    }
    return(MR_SUCCESS);
}


/* Find the NFS physical partition that the named directory is on.
 * This is done by comparing the dir against the mount point of the
 * partition.  To make sure we get the correct match when there is
 * more than one, we sort the query in reverse order by dir name.
 */

check_nfs(mach_id, name, access)
    EXEC SQL BEGIN DECLARE SECTION;
    int mach_id;
    EXEC SQL END DECLARE SECTION;
    char *name;
    char *access;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char dir[81];
    EXEC SQL END DECLARE SECTION;
    char caccess;
    register int status;
    register char *cp1;
    register char *cp2;

    status = MR_NFS;
    EXEC SQL DECLARE csr101 CURSOR FOR
      SELECT nfsphys_id, TRIM (dir) FROM nfsphys
	WHERE mach_id = :mach_id
	ORDER BY 2 DESC;
    EXEC SQL OPEN csr101;
    while(1) {
	EXEC SQL FETCH csr101 INTO :var_phys_id, :dir;
	if(sqlca.sqlcode != 0) break;
	cp1 = name;
	cp2 = dir;
	while (*cp2) {
	    if (*cp1++ != *cp2) break;
	    cp2++;
	}
	if (*cp2 == 0) {
	    status = MR_SUCCESS;
	    break;
	}
    }
    EXEC SQL CLOSE csr101;
    if (ingres_errno)
	return(mr_errcode);
    return(status);
}


/* setup_dfil: free any quota records and fsgroup info associated with
 * a filesystem when it is deleted.  Also adjust the allocation numbers.
 */

setup_dfil(q, argv, cl)
    struct query  *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id, total;
    EXEC SQL END DECLARE SECTION;

    id = *(int *)argv[0];
    EXEC SQL REPEATED SELECT SUM (quota) INTO :total FROM quota
      WHERE filsys_id = :id;
    EXEC SQL REPEATED UPDATE nfsphys SET allocated = allocated - :total
      WHERE nfsphys_id = filesys.phys_id AND filesys.filsys_id = :id;
    /** Is SQL smart enough to do the PRODUCT above? */
    /** Or should we code it using another SELECT?  */

    EXEC SQL REPEATED DELETE FROM quota WHERE filsys_id = :id;
    EXEC SQL REPEATED DELETE FROM fsgroup WHERE filsys_id = :id;
    EXEC SQL REPEATED DELETE FROM fsgroup WHERE group_id = :id;
    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


/* setup_dnfp: check to see that the nfs physical partition does not have
 * any filesystems assigned to it before allowing it to be deleted.
 */

setup_dnfp(q, argv, cl)
    struct query  *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id;
    char *dir;
    EXEC SQL END DECLARE SECTION;

    id = *(int *)argv[0];
    dir = argv[1];
    EXEC SQL REPEATED SELECT label INTO :cdummy FROM filesys fs, nfsphys np
      WHERE fs.mach_id = :id AND fs.phys_id = np.nfsphys_id
	AND np.mach_id = :id AND np.dir = :dir;
    if (sqlca.sqlerrd[2] > 0)
      return(MR_IN_USE);
    if (ingres_errno)
      return(mr_errcode);
    return(MR_SUCCESS);
}


/* setup_dqot: Remove allocation from nfsphys before deleting quota.
 *   argv[0] = filsys_id
 *   argv[1] = type if "update_quota" or "delete_quota"
 *   argv[2 or 1] = users_id or list_id
 */

setup_dqot(q, argv, cl)
    struct query  *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int quota, fs, id;
    char *qtype;
    EXEC SQL END DECLARE SECTION;

    fs = *(int *)argv[0];
    if (!strcmp(q->name, "update_quota") || !strcmp(q->name, "delete_quota")) {
	qtype = argv[1];
	id = *(int *)argv[2];
    } else {
	qtype = "USER";
	id = *(int *)argv[1];
    }

    EXEC SQL REPEATED SELECT quota INTO :quota FROM quota
      WHERE type = :qtype AND entity_id = :id AND filsys_id = :fs;
    EXEC SQL REPEATED UPDATE nfsphys
      SET allocated = nfsphys.allocated - :quota
      WHERE nfsphys_id = filesys.physid AND filesys.filsys_id = :fs;

    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


/* setup_sshi: don't exclusive lock the machine table during
 * set_server_host_internal.
 */

setup_sshi(q, argv, cl)
    struct query  *q;
    char **argv;
    client *cl;
{
#ifsql INGRES
    EXEC SQL set lockmode session where readlock = system;
#endsql
}


/* setup add_kerberos_user_mapping: add the string to the string
 * table if necessary.
 */

setup_akum(q, argv, cl)
struct query *q;
char **argv;
client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id, rowcount;
    char *name;
    EXEC SQL END DECLARE SECTION;

    name = argv[1];
    if (name_to_id(name, "STRING", &id) != MR_SUCCESS) {
	if (q->type != APPEND) return(MR_STRING);
	EXEC SQL SELECT value INTO :id FROM numvalues
	  WHERE name = 'strings_id';
	id++;
	EXEC SQL UPDATE numvalues SET value = :id
	  WHERE name = 'strings_id';
	EXEC SQL INSERT INTO strings (string_id, string) VALUES (:id, :name);
	cache_entry(name, "STRING", id);
    }
    if (ingres_errno) return(mr_errcode);
    *(int *)argv[1] = id;
    return(MR_SUCCESS);
}


\f
/* FOLLOWUP ROUTINES */

/* generic set_modtime routine.  This takes the table name from the query,
 * and will update the modtime, modby, and modwho fields in the entry in
 * the table whose name field matches argv[0].
 */

set_modtime(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    char *name, *entity, *table;
    int who;

    entity = cl->entity;
    who = cl->client_id;
    table = q->rtable;
    name = argv[0];

    sprintf(stmt_buf,"UPDATE %s SET modtime = 'now', modby = %d, modwith = '%s' WHERE %s.name = LEFT('%s',SIZE(%s.name))",table,who,entity,table,name,table);
    EXEC SQL EXECUTE IMMEDIATE :stmt_buf;

    return(MR_SUCCESS);
}

/* generic set_modtime_by_id routine.  This takes the table name from
 * the query, and the id name from the validate record,
 * and will update the modtime, modby, and modwho fields in the entry in
 * the table whose id matches argv[0].
 */

set_modtime_by_id(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    char *entity, *table, *id_name;
    int who, id;

    entity = cl->entity;
    who = cl->client_id;
    table = q->rtable;
    id_name = q->validate->object_id;

    id = *(int *)argv[0];
    sprintf(stmt_buf,"UPDATE %s SET modtime = 'now', modby = %d, \
modwith = '%s' WHERE %s.%s = %d",table,who,entity,table,id_name,id);
    EXEC SQL EXECUTE IMMEDIATE :stmt_buf;
    return(MR_SUCCESS);
}


/* Sets the finger modtime on a user record.  The users_id will be in argv[0].
 */

set_finger_modtime(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int users_id, who;
    char *entity;
    EXEC SQL END DECLARE SECTION;

    entity = cl->entity;
    who = cl->client_id;
    users_id = *(int *)argv[0];

    EXEC SQL UPDATE users SET fmodtime='now', fmodby = :who, fmodwith = :entity
      WHERE users.users_id = :users_id;

   return(MR_SUCCESS);
}


/* Sets the pobox modtime on a user record.  The users_id will be in argv[0].
 */

set_pobox_modtime(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int users_id, who;
    char *entity;
    EXEC SQL END DECLARE SECTION;

    entity = cl->entity;
    who = cl->client_id;
    users_id = *(int *)argv[0];

    EXEC SQL UPDATE users SET pmodtime='now', pmodby = :who, pmodwith = :entity
      WHERE users.users_id = :users_id;

    return(MR_SUCCESS);
}


/* Like set_modtime, but uppercases the name first.
 */

set_uppercase_modtime(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    char *name, *entity, *table;
    int who;

    entity = cl->entity;
    who = cl->client_id;
    table = q->rtable;
    name = argv[0];

    sprintf(stmt_buf,"UPDATE %s SET modtime = 'now', modby = %d, modwith = '%s' WHERE %s.name = UPPERCASE(LEFT('%s',SIZE(%s.name)))",table,who,entity,table,name,table);
    EXEC SQL EXECUTE IMMEDIATE :stmt_buf;

    return(MR_SUCCESS);
}


/* Sets the modtime on the machine whose mach_id is in argv[0].  This routine
 * is necessary for add_machine_to_cluster becuase the table that query
 * operates on is "mcm", not "machine".
 */

set_mach_modtime_by_id(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *entity;
    int who, id;
    EXEC SQL END DECLARE SECTION;

    entity = cl->entity;
    who = cl->client_id;
    id = *(int *)argv[0];
    EXEC SQL UPDATE machine SET modtime='now', modby = :who, modwith = :entity
      WHERE machine.mach_id = :id;

    return(MR_SUCCESS);
}


/* Sets the modtime on the cluster whose mach_id is in argv[0].  This routine
 * is necessary for add_cluster_data and delete_cluster_data becuase the
 * table that query operates on is "svc", not "cluster".
 */

set_cluster_modtime_by_id(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *entity;
    int who, id;
    EXEC SQL END DECLARE SECTION;

    entity = cl->entity;
    who = cl->client_id;

    id = *(int *)argv[0];
    EXEC SQL UPDATE cluster SET modtime='now', modby = :who, modwith = :entity
      WHERE cluster.clu_id = :id;
    return(MR_SUCCESS);
}


/* sets the modtime on the serverhost where the service name is in argv[0]
 * and the mach_id is in argv[1].
 */

set_serverhost_modtime(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *entity, *serv;
    int who, id;
    EXEC SQL END DECLARE SECTION;

    entity = cl->entity;
    who = cl->client_id;

    serv = argv[0];
    id = *(int *)argv[1];
    EXEC SQL UPDATE serverhosts
      SET modtime = 'now', modby = :who, modwith = :entity
      WHERE service = :serv AND mach_id = :id;
    return(MR_SUCCESS);
}


/* sets the modtime on the nfsphys where the mach_id is in argv[0] and the
 * directory name is in argv[1].
 */

set_nfsphys_modtime(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *entity, *dir;
    int who, id;
    EXEC SQL END DECLARE SECTION;

    entity = cl->entity;
    who = cl->client_id;

    id = *(int *)argv[0];
    dir = argv[1];
    EXEC SQL UPDATE nfsphys SET modtime = 'now', modby = :who, modwith = :entity
      WHERE dir = :dir AND mach_id = :id;
    return(MR_SUCCESS);
}


/* sets the modtime on a filesystem, where argv[0] contains the filesys
 * label.
 */

set_filesys_modtime(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *label, *entity;
    int who;
    EXEC SQL END DECLARE SECTION;

    entity = cl->entity;
    who = cl->client_id;

    label = argv[0];
    if (!strcmp(q->shortname, "ufil"))
      label = argv[1];

    EXEC SQL UPDATE filesys SET modtime = 'now', modby = :who,
        modwith = :entity, phys_id = :var_phys_id
      WHERE label = LEFT(:label,SIZE(label));
    return(MR_SUCCESS);
}


/* sets the modtime on a zephyr class, where argv[0] contains the class
 * name.
 */

set_zephyr_modtime(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *class, *entity;
    int who;
    EXEC SQL END DECLARE SECTION;

    entity = cl->entity;
    who = cl->client_id;

    class = argv[0];

    EXEC SQL UPDATE zephyr SET modtime = 'now', modby = :who, modwith = :entity
      WHERE class = LEFT(:class,SIZE(class));

    return(MR_SUCCESS);
}


/* fixes the modby field.  This will be the second to last thing in the
 * argv, the argv length is determined from the query structure.  It is
 * passed as a pointer to an integer.  This will either turn it into a
 * username, or # + the users_id.
 */
followup_fix_modby(q, sq, v, action, actarg, cl)
    struct query *q;
    register struct save_queue *sq;
    struct validate *v;
    register int (*action)();
    register int actarg;
    client *cl;
{
    register int i, j;
    char **argv, *malloc();
    int id, status;

    i = q->vcnt - 2;
    while (sq_get_data(sq, &argv)) {
	id = atoi(argv[i]);
	if (id > 0)
	  status = id_to_name(id, "USER", &argv[i]);
	else
	  status = id_to_name(-id, "STRING", &argv[i]);
	if (status && status != MR_NO_MATCH)
	  return(status);
	(*action)(q->vcnt, argv, actarg);
	for (j = 0; j < q->vcnt; j++)
	  free(argv[j]);
	free(argv);
    }
    sq_destroy(sq);
    return(MR_SUCCESS);
}


/* After retrieving a user account, fix the modby field and signature.
 * The modby field is the second to last thing in the
 * argv, the argv length is determined from the query structure.  It is
 * passed as a pointer to an integer.  This will either turn it into a
 * username, or # + the users_id.  Only "gua*" queries have a signature,
 * these are ones with U_END return values.  "gub*" queries also use this
 * routine but don't have a signature.
 */
followup_guax(q, sq, v, action, actarg, cl)
    struct query *q;
    register struct save_queue *sq;
    struct validate *v;
    register int (*action)();
    register int actarg;
    client *cl;
{
    register int i, j;
    char **argv, *malloc();
#ifdef GDSS
    unsigned char sigbuf[256];
    char *kname;
    SigInfo  si;
    EXEC SQL BEGIN DECLARE SECTION; 
    int timestamp, who;
    char *login;
    EXEC SQL END DECLARE SECTION; 
#endif /* GDSS */
    int id, status;

    i = q->vcnt - 2;
    while (sq_get_data(sq, &argv)) {
	id = atoi(argv[i]);
	if (id > 0)
	  status = id_to_name(id, "USER", &argv[i]);
	else
	  status = id_to_name(-id, "STRING", &argv[i]);
	if (status && status != MR_NO_MATCH)
	  return(status);
#ifdef GDSS
	if (q->vcnt == U_END && strlen(argv[U_SIGNATURE])) {
	    login = argv[U_NAME];
	    EXEC SQL REPEATED SELECT sigdate, sigwho 
	      INTO :timestamp, :who FROM users
	      WHERE login = :login;  /** Use LEFT(...,SIZE(...)) here? **/
	    /** What about (INGRES) error handling? **/
	    /** Is this guaranteed to be a singleton select? **/
	    kname = malloc(1);
            status = id_to_name(who, "STRING", &kname);
            si.timestamp = timestamp;
	    si.SigInfoVersion = 0; /* XXXXX this isn't used */
	    kname_parse(si.pname, si.pinst, si.prealm, kname);
            free(kname);
            si.rawsig = (unsigned char *)argv[U_SIGNATURE];
	    GDSS_Recompose(&si, sigbuf);
	    argv[U_SIGNATURE] = strsave(sigbuf);
	}
#endif /* GDSS */
	(*action)(q->vcnt, argv, actarg);
	for (j = 0; j < q->vcnt; j++)
	  free(argv[j]);
	free(argv);
    }
    sq_destroy(sq);
    return(MR_SUCCESS);
}


/**
 ** followup_ausr - add finger and pobox entries, set_user_modtime
 **
 ** Inputs:
 **	argv[0] - login (add_user)
 **	argv[3] - last name
 **	argv[4] - first name
 **	argv[5] - middle name
 **
 **/

followup_ausr(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int who, status, id;
    char *login, *entity, *src, *dst, *name;
    char fullname[129];
    EXEC SQL END DECLARE SECTION;
#ifdef GDSS
    char databuf[32], *kname_unparse();
    EXEC SQL BEGIN DECLARE SECTION;
    char rawsig[128];
    int sigwho, timestamp;
    EXEC SQL END DECLARE SECTION;
    SigInfo si;
#endif /* GDSS */

    /* build fullname */
    if (strlen(argv[4]) && strlen(argv[5]))
	sprintf(fullname, "%s %s %s", argv[4], argv[5], argv[3]);
    else if (strlen(argv[4]))
	sprintf(fullname, "%s %s", argv[4], argv[3]);
    else
	sprintf(fullname, "%s", argv[3]);

#ifdef GDSS
      if (q->vcnt == U_END && *argv[U_SIGNATURE]) {
        sprintf(databuf, "%s:%s", argv[U_NAME], argv[U_MITID]);
        /* skip bytes for timestamp & kname */
        si.rawsig = (unsigned char *) rawsig;
        status = GDSS_Verify(databuf, strlen(databuf), argv[U_SIGNATURE], &si);
        if (status == 0) {
            name = kname_unparse(si.pname, si.pinst, si.prealm);
            status = name_to_id(name, "STRING", &sigwho);
            if (status == MR_NO_MATCH) {
                EXEC SQL REPEATED SELECT value INTO :sigwho FROM numvalues
		  WHERE name='strings_id';
                sigwho++;
                EXEC SQL REPEATED UPDATE numvalues SET value = :sigwho
		  WHERE name='strings_id';
                INSERT INTO strings (string_id, string) 
		  VALUES (:sigwho, :name);
            } else if (status)
              return(gdss2et(status));
            timestamp = si.timestamp;
        } else
          return(gdss2et(status));
      } else {
        rawsig[0] = 0;
        sigwho = 0;
        timestamp = 0;
      }
#endif /* GDSS */

    login = argv[0];
    who = cl->client_id;
    entity = cl->entity;

    /* create finger entry, pobox & set modtime on user */
#ifdef GDSS
    EXEC SQL REPEATED UPDATE users
      SET modtime='now', modby=:who, modwith = :entity,
          fullname = :fullname, affiliation = type,
          signature = :rawsig, sigdate = :timestamp, sigwho = :sigwho,
          fmodtime='now', fmodby = :who, fmodwith = :entity,
          potype='NONE', pmodtime='now', pmodby = :who, pmodwith = :entity
      WHERE login = :login;
#else /* GDSS */
    EXEC SQL REPEATED UPDATE users
      SET modtime='now', modby=:who, modwith = :entity,
          fullname = :fullname, affiliation = type,
          fmodtime='now', fmodby = :who, fmodwith = :entity,
          potype='NONE', pmodtime='now', pmodby = :who, pmodwith = :entity
      WHERE login = :login;
#endif /* GDSS */

    return(MR_SUCCESS);
}


/**
 ** followup_uusr - do signature, set_user_modtime
 **
 ** Inputs:
 **   argv[0] - login (add_user)
 **   argv[U_SIGNATURE] - sig
 **
 **/

followup_uuac(q, argv, cl)
    struct query *q;
    char *argv[];
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION; 
    int who, status, id;
    char *entity, *name;
    EXEC SQL END DECLARE SECTION; 
#ifdef GDSS
    char databuf[32], *kname_unparse();
    EXEC SQL BEGIN DECLARE SECTION; 
    char rawsig[128];
    char *login;
    int sigwho, timestamp;
    EXEC SQL END DECLARE SECTION; 
    SigInfo si;
#endif /* GDSS */
    
    id = *(int *)argv[0];
    who = cl->client_id;
    entity = cl->entity;
    
#ifdef GDSS
    if (q->vcnt == U_MODTIME && *argv[U_SIGNATURE + 1]) {
        login = malloc(1);
        status = id_to_name(id, "USER", &login);
        sprintf(databuf, "%s:%s", login, argv[U_MITID+1]);
        free(login);
        /* skip bytes for timestamp & kname */
        si.rawsig = (unsigned char *) rawsig;
        status = GDSS_Verify(databuf, strlen(databuf), argv[U_SIGNATURE+1], &si);
        if (status == 0) {
            name = kname_unparse(si.pname, si.pinst, si.prealm);
            status = name_to_id(name, "STRING", &sigwho);
            if (status == MR_NO_MATCH) {
                EXEC SQL REPEATED SELECT value INTO :sigwho FROM numvalues
		  WHERE name='strings_id';
                sigwho++;
                EXEC SQL REPEATED UPDATE numvalues SET value = :sigwho
		  WHERE name='strings_id';
                INSERT INTO strings (string_id, string) 
		  VALUES (:sigwho, :name);
            } else if (status)
              return(gdss2et(status));
            timestamp = si.timestamp;
        } else
          return(gdss2et(status));
    } else {
        rawsig[0] = 0;
        sigwho = 0;
        timestamp = 0;
    }
#endif /* GDSS */
 
    /* create finger entry, pobox & set modtime on user */

#ifdef GDSS
    EXEC SQL REPEATED UPDATE users SET modtime='now', modby = :who, modwith = :entity,
        signature = :rawsig, sigdate = :timestamp, sigwho = :sigwho
      WHERE users_id = :id;
#else /* GDSS */
    EXEC SQL REPEATED UPDATE users SET modtime='now', modby = :who, modwith = :entity
      WHERE users_id = :id;
#endif /* GDSS */
    return(MR_SUCCESS);
}
 
 
/* followup_gpob: fixes argv[2] based on the IDs currently there and the
 * type in argv[1].  Then completes the upcall to the user.
 *
 * argv[2] is of the form "123:234" where the first integer is the machine
 * ID if it is a pop box, and the second is the string ID if it is an SMTP
 * box.  argv[1] should be "POP", "SMTP", or "NONE".  Boxes of type NONE
 * are skipped.
 */

followup_gpob(q, sq, v, action, actarg, cl)
    register struct query *q;
    register struct save_queue *sq;
    register struct validate *v;
    register int (*action)();
    int actarg;
    client *cl;
{
    char **argv, *index();
    char *ptype, *p;
    int mid, sid, status, i;

    /* for each row */
    while (sq_get_data(sq, &argv)) {
	mr_trim_args(2, argv);
	ptype = argv[1];
	p = index(argv[2], ':');
	*p++ = 0;
	mid = atoi(argv[2]);
	sid = atoi(p);

	if (!strcmp(ptype, "POP")) {
	    status = id_to_name(mid, "MACHINE", &argv[2]);
	    if (status == MR_NO_MATCH)
	      return(MR_MACHINE);
	} else if (!strcmp(ptype, "SMTP")) {
	    status = id_to_name(sid, "STRING", &argv[2]);
	    if (status == MR_NO_MATCH)
	      return(MR_STRING);
	} else /* ptype == "NONE" */ {
	    goto skip;
	}
	if (status) return(status);

	if (!strcmp(q->shortname, "gpob")) {
	    sid = atoi(argv[4]);
	    if (sid > 0)
	      status = id_to_name(sid, "USER", &argv[4]);
	    else
	      status = id_to_name(-sid, "STRING", &argv[4]);
	}
	if (status && status != MR_NO_MATCH) return(status);

	(*action)(q->vcnt, argv, actarg);
    skip:
	/* free saved data */
	for (i = 0; i < q->vcnt; i++)
	    free(argv[i]);
	free(argv);
    }

    sq_destroy(sq);
    return (MR_SUCCESS);
}


/* followup_glin: fix the ace_name in argv[8].  argv[7] will contain the
 * ace_type: "LIST", "USER", or "NONE".  Decode the id in argv[8] into the
 * proper name based on the type, and repace that string in the argv.
 * Also fixes the modby field by called followup_fix_modby.
 */

followup_glin(q, sq, v, action, actarg, cl)
    register struct query *q;
    register struct save_queue *sq;
    register struct validate *v;
    register int (*action)();
    int actarg;
    client *cl;
{
    char **argv, *malloc(), *realloc(), *type;
    int id, i, idx, status;

    idx = 8;
    if (!strcmp(q->shortname, "gsin"))
      idx = 12;

    while (sq_get_data(sq, &argv)) {
	mr_trim_args(q->vcnt, argv);

	id = atoi(argv[i = q->vcnt - 2]);
	if (id > 0)
	  status = id_to_name(id, "USER", &argv[i]);
	else
	  status = id_to_name(-id, "STRING", &argv[i]);
	if (status && status != MR_NO_MATCH)
	  return(status);

	id = atoi(argv[idx]);
	type = argv[idx - 1];

	if (!strcmp(type, "LIST")) {
	    status = id_to_name(id, "LIST", &argv[idx]);
	} else if (!strcmp(type, "USER")) {
	    status = id_to_name(id, "USER", &argv[idx]);
	} else if (!strcmp(type, "KERBEROS")) {
	    status = id_to_name(id, "STRING", &argv[idx]);
	} else if (!strcmp(type, "NONE")) {
	    status = 0;
	    free(argv[idx]);
	    argv[idx] = strsave("NONE");
	} else {
	    status = 0;
	    free(argv[idx]);
	    argv[idx] = strsave("???");
	}
	if (status && status != MR_NO_MATCH)
	  return(status);

	if (!strcmp(q->shortname, "glin") && atoi(argv[6]) == -1) {
	    argv[6] = realloc(argv[6], strlen(UNIQUE_GID) + 1);
	    strcpy(argv[6], UNIQUE_GID);
	}

	/* send the data */
	(*action)(q->vcnt, argv, actarg);

	/* free saved data */
	for (i = 0; i < q->vcnt; i++)
	    free(argv[i]);
	free(argv);
    }

    sq_destroy(sq);
    return (MR_SUCCESS);
}


/* followup_gqot: Fix the entity name, directory name & modby fields
 *   argv[0] = filsys_id
 *   argv[1] = type
 *   argv[2] = entity_id
 *   argv[3] = ascii(quota)
 */

followup_gqot(q, sq, v, action, actarg, cl)
    struct query *q;
    register struct save_queue *sq;
    struct validate *v;
    register int (*action)();
    register int actarg;
    client *cl;
{
    register int j;
    char **argv, *malloc();
    EXEC SQL BEGIN DECLARE SECTION;
    int id;
    char *name, *label;
    EXEC SQL END DECLARE SECTION;
    int status, idx;

    if (!strcmp(q->name, "get_quota") ||
	!strcmp(q->name, "get_quota_by_filesys"))
      idx = 4;
    else
      idx = 3;
    while (sq_get_data(sq, &argv)) {
	if (idx == 4) {
	    switch (argv[1][0]) {
	    case 'U':
		status = id_to_name(atoi(argv[2]), "USER", &argv[2]);
		break;
	    case 'G':
	    case 'L':
		status = id_to_name(atoi(argv[2]), "LIST", &argv[2]);
		break;
	    case 'A':
		free(argv[2]);
		argv[2] = strsave("system:anyuser");
		break;
	    default:
		id = atoi(argv[2]);
		argv[2] = malloc(8);
		sprintf(argv[2], "%d", id);
	    }
	}
	id = atoi(argv[idx]);
	free(argv[idx]);
	argv[idx] = malloc(256);
	name = argv[idx];
	if (id == 0) {
	    label = argv[0];
	    EXEC SQL REPEATED SELECT name INTO :name FROM filesys
	      WHERE label = :label;
	} else {
	    EXEC SQL REPEATED SELECT dir INTO :name FROM nfsphys
	      WHERE nfsphys_id = :id;
	}
	if (sqlca.sqlerrd[2] != 1) {
	    sprintf(argv[idx], "#%d", id);
	}

	id = atoi(argv[idx+3]);
	if (id > 0)
	  status = id_to_name(id, "USER", &argv[idx+3]);
	else
	  status = id_to_name(-id, "STRING", &argv[idx+3]);
	if (status && status != MR_NO_MATCH)
	  return(status);
	(*action)(q->vcnt, argv, actarg);
	for (j = 0; j < q->vcnt; j++)
	  free(argv[j]);
	free(argv);
    }
    sq_destroy(sq);
    return(MR_SUCCESS);
}


/* followup_aqot: Add allocation to nfsphys after creating quota.
 *   argv[0] = filsys_id
 *   argv[1] = type if "add_quota" or "update_quota"
 *   argv[2 or 1] = id
 *   argv[3 or 2] = ascii(quota)
 */

followup_aqot(q, argv, cl)
    struct query  *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int quota, id, fs, who;
    char *entity, *qtype;
    EXEC SQL END DECLARE SECTION;

    fs = *(int *)argv[0];
    if (!strcmp(q->name, "add_quota") || !strcmp(q->name, "update_quota")) {
	qtype = argv[1];
	id = *(int *)argv[2];
	quota = atoi(argv[3]);
    } else {
	qtype = "USER";
	id = *(int *)argv[1];
	quota = atoi(argv[2]);
    }
    who = cl->client_id;
    entity = cl->entity;

    EXEC SQL REPEATED UPDATE quota
      SET modtime = 'now', modby = :who, modwith = :entity
      WHERE filsys_id = :fs and type = :qtype and entity_id = :id;
    EXEC SQL REPEATED UPDATE nfsphys
      SET allocated = allocated + :quota
      WHERE nfsphys_id = filesys.phys_id AND filesys.filsys_id = :fs;
    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


followup_gpce(q, sq, v, action, actarg, cl)
    struct query *q;
    register struct save_queue *sq;
    struct validate *v;
    register int (*action)();
    register int actarg;
    client *cl;
{
    register int i, j;
    char **argv, *malloc();
    int id, status;

    i = q->vcnt - 2;
    while (sq_get_data(sq, &argv)) {
	id = atoi(argv[PCAP_QSERVER]);
	status = id_to_name(id, "MACHINE", &argv[PCAP_QSERVER]);
	if (status) return (status);
	id = atoi(argv[i]);
	if (id > 0)
	  status = id_to_name(id, "USER", &argv[i]);
	else
	  status = id_to_name(-id, "STRING", &argv[i]);
	if (status && status != MR_NO_MATCH)
	  return(status);
	(*action)(q->vcnt, argv, actarg);
	for (j = 0; j < q->vcnt; j++)
	  free(argv[j]);
	free(argv);
    }
    sq_destroy(sq);
    return(MR_SUCCESS);
}


/* followup_gzcl:
 */

followup_gzcl(q, sq, v, action, actarg, cl)
    register struct query *q;
    register struct save_queue *sq;
    register struct validate *v;
    register int (*action)();
    int actarg;
    client *cl;
{
    int id, i, status;
    char **argv;

    while (sq_get_data(sq, &argv)) {
	mr_trim_args(q->vcnt, argv);

	id = atoi(argv[i = q->vcnt - 2]);
	if (id > 0)
	  status = id_to_name(id, "USER", &argv[i]);
	else
	  status = id_to_name(-id, "STRING", &argv[i]);
	if (status && status != MR_NO_MATCH)
	  return(status);

	for (i = 1; i < 8; i+=2) {
	    id = atoi(argv[i+1]);
	    if (!strcmp(argv[i], "LIST")) {
		status = id_to_name(id, "LIST", &argv[i+1]);
	    } else if (!strcmp(argv[i], "USER")) {
		status = id_to_name(id, "USER", &argv[i+1]);
	    } else if (!strcmp(argv[i], "KERBEROS")) {
		status = id_to_name(id, "STRING", &argv[i+1]);
	    } else if (!strcmp(argv[i], "NONE")) {
		status = 0;
		free(argv[i+1]);
		argv[i+1] = strsave("NONE");
	    } else {
		status = 0;
		free(argv[i+1]);
		argv[i+1] = strsave("???");
	    }
	    if (status && status != MR_NO_MATCH)
	      return(status);
	}

	/* send the data */
	(*action)(q->vcnt, argv, actarg);

	/* free saved data */
	for (i = 0; i < q->vcnt; i++)
	    free(argv[i]);
	free(argv);
    }
    sq_destroy(sq);
    return(MR_SUCCESS);
}


/* followup_gsha:
 */

followup_gsha(q, sq, v, action, actarg, cl)
    register struct query *q;
    register struct save_queue *sq;
    register struct validate *v;
    register int (*action)();
    int actarg;
    client *cl;
{
    char **argv;
    int i, id, status;

    while (sq_get_data(sq, &argv)) {
	mr_trim_args(q->vcnt, argv);

	id = atoi(argv[4]);
	if (id > 0)
	  status = id_to_name(id, "USER", &argv[4]);
	else
	  status = id_to_name(-id, "STRING", &argv[4]);
	if (status && status != MR_NO_MATCH)
	  return(status);

	id = atoi(argv[2]);
	if (!strcmp(argv[1], "LIST")) {
	    status = id_to_name(id, "LIST", &argv[2]);
	} else if (!strcmp(argv[1], "USER")) {
	    status = id_to_name(id, "USER", &argv[2]);
	} else if (!strcmp(argv[1], "KERBEROS")) {
	    status = id_to_name(id, "STRING", &argv[2]);
	} else if (!strcmp(argv[1], "NONE")) {
	    status = 0;
	    free(argv[2]);
	    argv[2] = strsave("NONE");
	} else {
	    status = 0;
	    free(argv[2]);
	    argv[2] = strsave("???");
	}
	if (status && status != MR_NO_MATCH)
	  return(status);

	/* send the data */
	(*action)(q->vcnt, argv, actarg);

	/* free saved data */
	for (i = 0; i < q->vcnt; i++)
	    free(argv[i]);
	free(argv);
    }
    sq_destroy(sq);
    return(MR_SUCCESS);
}


\f
/* Special query routines */

/* set_pobox - this does all of the real work.
 *	 argv = user_id, type, box
 * if type is POP, then box should be a machine, and its ID should be put in
 * pop_id.  If type is SMTP, then box should be a string and its ID should
 * be put in box_id.  If type is NONE, then box doesn't matter.
 */

int set_pobox(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int user, id;
    char *box, potype[9];
    EXEC SQL END DECLARE SECTION;
    int status;

    box = argv[2];
    user = *(int *)argv[0];

    EXEC SQL REPEATED SELECT pop_id, potype INTO :id, :potype FROM users
      WHERE users_id = :user;
    if (ingres_errno) return(mr_errcode);
    if (!strcmp(strtrim(potype), "POP"))
      set_pop_usage(id, -1);

    if (!strcmp(argv[1], "POP")) {
	status = name_to_id(box, "MACHINE", &id);
	if (status == MR_NO_MATCH)
	  return(MR_MACHINE);
	else if (status)
	  return(status);
	EXEC SQL REPEATED UPDATE users SET potype = 'POP', pop_id = :id
	  WHERE users_id = :user;
	set_pop_usage(id, 1);
    } else if (!strcmp(argv[1], "SMTP")) {
	if (index(box, '/') || index(box, '|'))
	  return(MR_BAD_CHAR);
	status = name_to_id(box, "STRING", &id);
	if (status == MR_NO_MATCH) {
	    EXEC SQL REPEATED SELECT value INTO :id FROM numvalues
	      WHERE name='strings_id';
	    id++;
	    EXEC SQL REPEATED UPDATE numvalues SET value = :id
	      WHERE name='strings_id';
	    EXEC SQL INSERT INTO strings (string_id, string)
	      VALUES (:id, :box);
	} else if (status)
	  return(status);
	EXEC SQL REPEATED UPDATE users SET potype='SMTP', box_id = :id
	  WHERE users_id = :user;
    } else /* argv[1] == "NONE" */ {
	EXEC SQL REPEATED UPDATE users SET potype='NONE'
	  WHERE users_id = :user;
    }

    set_pobox_modtime(q, argv, cl);
    EXEC SQL REPEATED UPDATE tblstats SET updates = updates+1, modtime='now'
      WHERE tblstats.table_name='users';
    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


/* get_list_info:  passed a wildcard list name, returns lots of stuff about
 * each list.  This is tricky:  first build a queue of all requested
 * data.  Rest of processing consists of fixing gid, ace_name, and modby.
 */

get_list_info(q, aargv, cl, action, actarg)
    register struct query *q;
    char **aargv;
    client *cl;
    register int (*action)();
    int actarg;
{
    char *argv[13], *malloc(), *realloc();
    EXEC SQL BEGIN DECLARE SECTION;
    char *name, acl_type[9], listname[33], active[5], public[5], hidden[5];
    char maillist[5], grouplist[5], gid_str[6], acl_name[256], desc[256];
    char modtime[27], modby[256], modwith[9];
    int id, rowcount, acl_id, hid, modby_id;
    EXEC SQL END DECLARE SECTION;
    int returned, status;
    struct save_queue *sq, *sq_create();

    returned = rowcount = 0;
    name = aargv[0];
    convert_wildcards(name);

    sq = sq_create();
    EXEC SQL DECLARE csr102 CURSOR FOR SELECT list_id FROM list
      WHERE name LIKE :name ESCAPE '*';
    EXEC SQL OPEN csr102;
    while(1)
    {
        EXEC SQL FETCH csr102 INTO :id;
	if(sqlca.sqlcode!=0) break;
	sq_save_data(sq, id);
        rowcount++;
    }
    EXEC SQL CLOSE csr102;

    if (ingres_errno) return(mr_errcode);
    if (rowcount == 0)
      return(MR_NO_MATCH);

    argv[0] = listname; argv[1] = active; argv[2] = public; argv[3] = hidden;
    argv[4] = maillist; argv[5] = grouplist; argv[6] = gid_str;
    argv[7] = acl_type; argv[9] = desc; argv[10] = modtime; argv[12] = modwith;

    while (sq_get_data(sq, &id)) {
	if (id == 0)
	  continue;
	argv[6] = gid_str;
	EXEC SQL REPEATED SELECT name, CHAR(active), CHAR(publicflg),
	    CHAR(hidden), hidden, CHAR(maillist), CHAR(grouplist), CHAR(gid),
	    TRIM(acl_type), acl_id, description, CHAR(modtime), modby, modwith
	  INTO :listname, :active, :public, :hidden, :hid, :maillist,
            :grouplist, :gid_str, :acl_type, :acl_id, :desc,
	    :modtime, :modby_id, :modwith
          FROM list WHERE list_id = :id;

	if (ingres_errno) return(mr_errcode);

	if (atoi(gid_str) == -1)
	    argv[6] = UNIQUE_GID;

	argv[8] = malloc(0);
	if (!strcmp(acl_type, "LIST")) {
	    status = id_to_name(acl_id, "LIST", &argv[8]);
	} else if (!strcmp(acl_type, "USER")) {
	    status = id_to_name(acl_id, "USER", &argv[8]);
	} else if (!strcmp(acl_type, "KERBEROS")) {
	    status = id_to_name(acl_id, "STRING", &argv[8]);
	} else if (!strcmp(acl_type, "NONE")) {
	    status = 0;
	    free(argv[8]);
	    argv[8] = strsave("NONE");
	} else {
	    status = 0;
	    free(argv[8]);
	    argv[8] = strsave("???");
	}
	if (status && status != MR_NO_MATCH) return(status);

	argv[11] = malloc(0);
	if (modby_id > 0)
	  status = id_to_name(modby_id, "USER", &argv[11]);
	else
	  status = id_to_name(-modby_id, "STRING", &argv[11]);
	if (status && status != MR_NO_MATCH) return(status);

	mr_trim_args(q->vcnt, argv);
	returned++;
	(*action)(q->vcnt, argv, actarg);
	free(argv[8]);
	free(argv[11]);
    }

    sq_destroy(sq);
    if (ingres_errno) return(mr_errcode);
    return (MR_SUCCESS);
}


/* Add_member_to_list: do list flattening as we go!  MAXLISTDEPTH is
 * how many different ancestors a member is allowed to have.
 */

#define MAXLISTDEPTH	1024

int add_member_to_list(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id, lid, mid, error, who, ref;
    char *mtype, dtype[9], *entity;
    EXEC SQL END DECLARE SECTION;
    int ancestors[MAXLISTDEPTH], aref[MAXLISTDEPTH], acount, a;
    int descendants[MAXLISTDEPTH], dref[MAXLISTDEPTH], dcount, d;
    int status;
    char *dtypes[MAXLISTDEPTH];
    char *iargv[3], *buf;

    lid = *(int *)argv[0];
    mtype = argv[1];
    mid = *(int *)argv[2];
    /* if the member is already a direct member of the list, punt */
    EXEC SQL REPEATED SELECT list_id INTO :idummy FROM imembers
      WHERE list_id = :lid AND member_id = :mid
	AND member_type = :mtype AND direct = 1;
    if (sqlca.sqlerrd[2] > 0)
      return(MR_EXISTS);
    if (!strcasecmp(mtype, "STRING")) {
	buf = malloc(0);
	status = id_to_name(mid, "STRING", &buf);
	if (status) return(status);
	if (index(buf, '/') || index(buf, '|')) {
	    free(buf);
	    return(MR_BAD_CHAR);
	}
	free(buf);
    }

    ancestors[0] = lid;
    aref[0] = 1;
    acount = 1;
    EXEC SQL DECLARE csr103 CURSOR FOR
      SELECT list_id, ref_count	FROM imembers
	WHERE member_id = :lid AND member_type='LIST';
    EXEC SQL OPEN csr103;
    while(1) {
	EXEC SQL FETCH csr103 INTO :id, :ref;
	if(sqlca.sqlcode != 0) break;
	aref[acount] = ref;
	ancestors[acount++] = id;
	if (acount >= MAXLISTDEPTH) break;
    }
    EXEC SQL CLOSE csr103;
    if (ingres_errno) return(mr_errcode);
    if (acount >= MAXLISTDEPTH) {
	return(MR_INTERNAL);
    }
    descendants[0] = mid;
    dtypes[0] = mtype;
    dref[0] = 1;
    dcount = 1;
    error = 0;
    if (!strcmp(mtype, "LIST")) {
	EXEC SQL DECLARE csr104 CURSOR FOR
	  SELECT member_id, member_type, ref_count
	  FROM imembers
	  WHERE list_id = :mid;
	EXEC SQL OPEN csr104;
	while(1) {
	    EXEC SQL FETCH csr104 INTO :id, :dtype, :ref;
	    if(sqlca.sqlcode != 0) break;
	    switch (dtype[0]) {
	    case 'L':
		dtypes[dcount] = "LIST";
		break;
	    case 'U':
		dtypes[dcount] = "USER";
		break;
	    case 'S':
		dtypes[dcount] = "STRING";
		break;
	    case 'K':
		dtypes[dcount] = "KERBEROS";
		break;
	    default:
		error++;
		break;
	    }
	    dref[dcount] = ref;
	    descendants[dcount++] = id;
	    if (dcount >= MAXLISTDEPTH) {
		error++;
		break;
	    }
  	}
	EXEC SQL CLOSE csr104;
	if (ingres_errno) return(mr_errcode);
	if (error)
	  return(MR_INTERNAL);
    }
    for (a = 0; a < acount; a++) {
	lid = ancestors[a];
	for (d = 0; d < dcount; d++) {
	    mid = descendants[d];
	    mtype = dtypes[d];
	    if (mid == lid && !strcmp(mtype, "LIST")) {
		return(MR_LISTLOOP);
	    }
	    EXEC SQL REPEATED SELECT ref_count INTO :idummy FROM imembers
	      WHERE list_id = :lid AND member_id = :mid
		AND member_type = :mtype;
	    ref = aref[a] * dref[d];
	    if (sqlca.sqlerrd[2] > 0) {
		if (a == 0 && d == 0) {
		    EXEC SQL UPDATE imembers
		      SET ref_count = ref_count+ref, direct=1
		      WHERE list_id = :lid AND member_id = :mid
			AND member_type = :mtype;
		} else {
		    EXEC SQL UPDATE imembers
		      SET ref_count = ref_count+ref
		      WHERE list_id = :lid AND member_id = :mid
			AND member_type = :mtype;
		}
	    } else {
		incremental_clear_before();
		if (a == 0 && d == 0) {
		    EXEC SQL INSERT INTO imembers
		      (list_id, member_id, direct, member_type, ref_count)
		      VALUES (:lid, :mid, 1, :mtype, 1);
		} else {
		    EXEC SQL INSERT INTO imembers
		      (list_id, member_id, member_type, ref_count)
		      VALUES (:lid, :mid, :mtype, 1);
		}
		iargv[0] = (char *)lid;
		iargv[1] = mtype;
		iargv[2] = (char *)mid;
		incremental_after("members", 0, iargv);
	    }
	}
    }
    lid = *(int *)argv[0];
    entity = cl->entity;
    who = cl->client_id;
    EXEC SQL REPEATED UPDATE list
      SET modtime='now', modby = :who, modwith = :entity
      WHERE list_id = :lid;
    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


/* Delete_member_from_list: do list flattening as we go!
 */

int delete_member_from_list(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id, lid, mid, cnt, error, who, ref;
    char *mtype, dtype[9], *entity;
    EXEC SQL END DECLARE SECTION;
    int ancestors[MAXLISTDEPTH], aref[MAXLISTDEPTH], acount, a;
    int descendants[MAXLISTDEPTH], dref[MAXLISTDEPTH], dcount, d;
    char *dtypes[MAXLISTDEPTH];
    char *iargv[3];

    lid = *(int *)argv[0];
    mtype = argv[1];
    mid = *(int *)argv[2];
    /* if the member is not a direct member of the list, punt */
    EXEC SQL REPEATED SELECT list_id INTO :idummy FROM imembers
      WHERE list_id = :lid AND member_id = :mid
	AND member_type = :mtype AND direct = 1;
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlcode == 100)
      return(MR_NO_MATCH);
    ancestors[0] = lid;
    aref[0] = 1;
    acount = 1;
    EXEC SQL DECLARE csr105 CURSOR FOR
      SELECT list_id, ref_count FROM imembers
	WHERE member_id = :lid AND member_type = 'LIST';
    EXEC SQL OPEN csr105;
    while(1) {
	EXEC SQL FETCH csr105 INTO :id, :ref;
	if(sqlca.sqlcode!=0) break;
	aref[acount] = ref;
	ancestors[acount++] = id;
	if (acount >= MAXLISTDEPTH) break;
    }
    EXEC SQL CLOSE csr105;
    if (ingres_errno)
      return(mr_errcode);
    if (acount >= MAXLISTDEPTH)
      return(MR_INTERNAL);
    descendants[0] = mid;
    dtypes[0] = mtype;
    dref[0] = 1;
    dcount = 1;
    error = 0;
    if (!strcmp(mtype, "LIST")) {
	EXEC SQL DECLARE csr106 CURSOR FOR
	  SELECT member_id, member_type, ref_count FROM imembers
	    WHERE list_id = :mid;
	EXEC SQL OPEN csr106;
	while(1) {
	    EXEC SQL FETCH csr106 INTO :id, :dtype, :ref;
	    if(sqlca.sqlcode!=0) break;
	    switch (dtype[0]) {
	    case 'L':
		dtypes[dcount] = "LIST";
		break;
	    case 'U':
		dtypes[dcount] = "USER";
		break;
	    case 'S':
		dtypes[dcount] = "STRING";
		break;
	    case 'K':
		dtypes[dcount] = "KERBEROS";
		break;
	    default:
		error++;
		break;
	    }
	    dref[dcount] = ref;
	    descendants[dcount++] = id;
	    if (dcount >= MAXLISTDEPTH) break;
	}
	EXEC SQL CLOSE csr106;
	if (ingres_errno)
	  return(mr_errcode);
	if (error)
	  return(MR_INTERNAL);
    }
    for (a = 0; a < acount; a++) {
	lid = ancestors[a];
	for (d = 0; d < dcount; d++) {
	    mid = descendants[d];
	    mtype = dtypes[d];
	    if (mid == lid && !strcmp(mtype, "LIST")) {
		return(MR_LISTLOOP);
	    }
	    EXEC SQL REPEATED SELECT ref_count INTO :cnt FROM imembers
	      WHERE list_id = :lid AND member_id = :mid	AND member_type = :mtype;
	    ref = aref[a] * dref[d];
	    if (cnt <= ref) {
		iargv[0] = (char *)lid;
		iargv[1] = mtype;
		iargv[2] = (char *)mid;
		incremental_before("members", 0, iargv);
		EXEC SQL DELETE FROM imembers
		  WHERE list_id = :lid AND member_id = :mid
		    AND member_type= :mtype;
		incremental_clear_after();
	    } else if (a == 0 && d == 0) {
		EXEC SQL UPDATE imembers
		  SET ref_count = refcount - :ref, direct = 0
		  WHERE list_id = :lid AND member_id = :mid
		    AND member_type = :mtype;
	    } else {
		EXEC SQL UPDATE imembers
		  SET ref_count=refcount-:ref
		  WHERE list_id = :lid AND member_id = :mid
		    AND member_type = :mtype;
	    }
	}
    }
    lid = *(int *)argv[0];
    entity = cl->entity;
    who = cl->client_id;
    EXEC SQL UPDATE list SET modtime = 'now', modby = :who, modwith = :entity
      WHERE list_id = :lid;
    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


/* get_ace_use - given a type and a name, return a type and a name.
 * The ace_type is one of "LIST", "USER", "RLIST", or "RUSER" in argv[0],
 * and argv[1] will contain the ID of the entity in question.  The R*
 * types mean to recursively look at every containing list, not just
 * when the object in question is a direct member.  On return, the
 * usage type will be one of LIST, SERVICE, FILESYS, QUOTA, QUERY, or ZEPHYR.
 */

int get_ace_use(q, argv, cl, action, actarg)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
{
    int found = 0;
    EXEC SQL BEGIN DECLARE SECTION;
    char *atype;
    int aid, listid, id;
    EXEC SQL END DECLARE SECTION;
    struct save_queue *sq, *sq_create();

    atype = argv[0];
    aid = *(int *)argv[1];
    if (!strcmp(atype, "LIST") || !strcmp(atype, "USER") ||
	!strcmp(atype, "KERBEROS")) {
	return(get_ace_internal(atype, aid, action, actarg));
    }

    sq = sq_create();
    if (!strcmp(atype, "RLIST")) {
	sq_save_data(sq, aid);
	/* get all the list_id's of containing lists */
	EXEC SQL DECLARE csr107 CURSOR FOR
	  SELECT list_id FROM imembers
	    WHERE member_type='LIST' AND member_id = :aid;
	EXEC SQL OPEN csr107;
	while(1) {
	    EXEC SQL FETCH csr107 INTO :listid;
	    if(sqlca.sqlcode != 0) break;
	    sq_save_unique_data(sq, listid);
	}
	EXEC SQL CLOSE csr107;
	/* now process each one */
	while (sq_get_data(sq, &id)) {
	    if (get_ace_internal("LIST", id, action, actarg) == MR_SUCCESS)
	      found++;
	}
    }

    if (!strcmp(atype, "RUSER")) {
	EXEC SQL DECLARE csr108 CURSOR FOR
	  SELECT list_id FROM imembers
	    WHERE member_type='USER' AND member_id = :aid;
	EXEC SQL OPEN csr108;
	while(1) {
	    EXEC SQL FETCH csr108 INTO :listid;
	    if(sqlca.sqlcode != 0) break;
	    sq_save_data(sq, listid);
	}
	EXEC SQL CLOSE csr108;
	/* now process each one */
	while (sq_get_data(sq, &id)) {
	    if (get_ace_internal("LIST", id, action, actarg) == MR_SUCCESS)
	      found++;
	}
	if (get_ace_internal("USER", aid, action, actarg) == MR_SUCCESS)
	  found++;
    }

    if (!strcmp(atype, "RKERBERO")) {
	EXEC SQL DECLARE csr109 CURSOR FOR
	  SELECT list_id FROM imembers
	    WHERE member_type='KERBEROS' AND member_id = :aid;
	EXEC SQL OPEN csr109;
	while(1) {
	    EXEC SQL FETCH csr109 INTO :listid;
	    if(sqlca.sqlcode != 0) break;
	    sq_save_data(sq, listid);
	}
	EXEC SQL CLOSE csr109;
	/* now process each one */
	while (sq_get_data(sq, &id)) {
	    if (get_ace_internal("LIST", id, action, actarg) == MR_SUCCESS)
	      found++;
	}
	if (get_ace_internal("KERBEROS", aid, action, actarg) == MR_SUCCESS)
	  found++;
    }

    sq_destroy(sq);
    if (ingres_errno) return(mr_errcode);
    if (!found) return(MR_NO_MATCH);
    return(MR_SUCCESS);
}


/* This looks up a single list or user for ace use.  atype must be "USER"
 * or "LIST", and aid is the ID of the corresponding object.  This is used
 * by get_ace_use above.
 */

get_ace_internal(atype, aid, action, actarg)
    EXEC SQL BEGIN DECLARE SECTION;
    char *atype;
    int aid;
    EXEC SQL END DECLARE SECTION;
    int (*action)();
    int actarg;
{
    char *rargv[2];
    int found = 0;
    EXEC SQL BEGIN DECLARE SECTION;
    char name[33];
    EXEC SQL END DECLARE SECTION;

    rargv[1] = name;
    if (!strcmp(atype, "LIST")) {
	rargv[0] = "FILESYS";
	EXEC SQL DECLARE csr110 CURSOR FOR
	  SELECT label FROM filesys
	    WHERE owners = :aid;
	EXEC SQL OPEN csr110;
	while(1) {
	    EXEC SQL FETCH csr110 INTO :name;
	    if(sqlca.sqlcode != 0) break;
	    (*action)(2, rargv, actarg);
	    found++;
	}
	EXEC SQL CLOSE csr110;

	rargv[0] = "QUERY";
	EXEC SQL DECLARE csr111 CURSOR FOR
	  SELECT capability FROM capacls
	    WHERE list_id = :aid ;
	EXEC SQL OPEN csr111;
	while(1) {
	    EXEC SQL FETCH csr111 INTO :name ;
	    if(sqlca.sqlcode != 0) break;
	    (*action)(2, rargv, actarg);
	    found++;
	}
	EXEC SQL CLOSE csr111;
    } else if (!strcmp(atype, "USER")) {
	rargv[0] = "FILESYS";
	EXEC SQL DECLARE csr112 CURSOR FOR
	  SELECT label FROM filesys
	    WHERE owner = :aid;
	EXEC SQL OPEN csr112;
	while(1) {
	    EXEC SQL FETCH csr112 INTO :name ;
	    if(sqlca.sqlcode != 0) break;
	    (*action)(2, rargv, actarg);
	    found++;
	}
	EXEC SQL CLOSE csr112;
    }

    rargv[0] = "LIST";
    EXEC SQL DECLARE csr113 CURSOR FOR
      SELECT name FROM list
	WHERE acl_type = :atype AND acl_id = :aid;
    EXEC SQL OPEN csr113;
    while(1) {
	EXEC SQL FETCH csr113 INTO :name;
	if(sqlca.sqlcode != 0) break;
	(*action)(2, rargv, actarg);
	found++;
    }
    EXEC SQL CLOSE csr113;

    rargv[0] = "SERVICE";
    EXEC SQL DECLARE csr114 CURSOR FOR
      SELECT name FROM servers
	WHERE acl_type = :atype AND acl_id = :aid;
    EXEC SQL OPEN csr114;
    while(1) {
	EXEC SQL FETCH csr114 INTO :name;
	if(sqlca.sqlcode != 0) break;
	(*action)(2, rargv, actarg);
	found++;
    }
    EXEC SQL CLOSE csr114;

    rargv[0] = "HOSTACCESS";
    EXEC SQL DECLARE csr115 CURSOR FOR
      SELECT name FROM machine, hostaccess
	WHERE mach_id = hostaccess.mach_id AND hostaccess.acl_type = :atype
	  AND hostaccess.acl_id = :aid;
    EXEC SQL OPEN csr115;
    while(1) {
	EXEC SQL FETCH csr115 INTO :name;
	if(sqlca.sqlcode != 0) break;
	(*action)(2, rargv, actarg);
	found++;
    }
    EXEC SQL CLOSE csr115;

    rargv[0] = "ZEPHYR";
    EXEC SQL DECLARE csr116 CURSOR FOR
      SELECT class FROM zephyr
	WHERE zephyr.xmt_type = :atype AND zephyr.xmt_id = :aid
	  OR zephyr.sub_type = :atype AND zephyr.sub_id = :aid
	  OR zephyr.iws_type = :atype AND zephyr.iws_id = :aid
          OR zephyr.iui_type = :atype AND zephyr.iui_id = :aid;
    EXEC SQL OPEN csr116;
    while(1) {
	EXEC SQL FETCH csr116 INTO :name;
	if(sqlca.sqlcode != 0) break;
	(*action)(2, rargv, actarg);
	found++;
    }
    EXEC SQL CLOSE csr116;

    if (!found) return(MR_NO_MATCH);
    return(MR_SUCCESS);
}


/* get_lists_of_member - given a type and a name, return the name and flags
 * of all of the lists of the given member.  The member_type is one of
 * "LIST", "USER", "STRING", "RLIST", "RUSER", or "RSTRING" in argv[0],
 * and argv[1] will contain the ID of the entity in question.  The R*
 * types mean to recursively look at every containing list, not just
 * when the object in question is a direct member.
 */

int get_lists_of_member(q, argv, cl, action, actarg)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
{
    int found = 0, direct = 1;
    char *rargv[6];
    EXEC SQL BEGIN DECLARE SECTION;
    char *atype;
    int aid, listid, id;
    char name[33], active[5], public[5], hidden[5], maillist[5], grouplist[5];
    EXEC SQL END DECLARE SECTION;

    atype = argv[0];
    aid = *(int *)argv[1];
    if (!strcmp(atype, "RLIST")) {
	atype = "LIST";
	direct = 0;
    }
    if (!strcmp(atype, "RUSER")) {
	atype = "USER";
	direct = 0;
    }
    if (!strcmp(atype, "RSTRING")) {
	atype = "STRING";
	direct = 0;
    }
    if (!strcmp(atype, "RKERBEROS")) {
	atype = "KERBEROS";
	direct = 0;
    }

    rargv[0] = name;
    rargv[1] = active;
    rargv[2] = public;
    rargv[3] = hidden;
    rargv[4] = maillist;
    rargv[5] = grouplist;
    if (direct) {
	EXEC SQL DECLARE csr117a CURSOR FOR
	  SELECT name, CHAR(active), CHAR(publicflg), CHAR(hidden),
  	      CHAR(maillist), CHAR(grouplist)
	    FROM list l, imembers m
	    WHERE l.list_id = m.list_id AND m.direct = 1
	      AND m.member_type = :atype AND m.member_id = :aid;
	EXEC SQL OPEN csr117a;
	while(1) {
	    EXEC SQL FETCH csr117a
	      INTO :name, :active, :public, :hidden, :maillist, :grouplist;
	    if(sqlca.sqlcode != 0) break;
	    (*action)(6, rargv, actarg);
	    found++;
	}
	EXEC SQL CLOSE csr117a;
    } else {
	EXEC SQL DECLARE csr117b CURSOR FOR
	  SELECT name, CHAR(active), CHAR(publicflg), CHAR(hidden),
	      CHAR(maillist), CHAR(grouplist)
	    FROM list l, imembers m
	    WHERE l.list_id = m.list_id
	      AND m.member_type = :atype AND m.member_id = :aid;
	EXEC SQL OPEN csr117b;
	while(1) {
	    EXEC SQL FETCH csr117b
	      INTO :name, :active, :public, :hidden, :maillist, :grouplist;
	    if(sqlca.sqlcode != 0) break;
	    (*action)(6, rargv, actarg);
	    found++;
	}
	EXEC SQL CLOSE csr117b;
    }

    if (ingres_errno) return(mr_errcode);
    if (!found) return(MR_NO_MATCH);
    return(MR_SUCCESS);
}


/* qualified_get_lists: passed "TRUE", "FALSE", or "DONTCARE" for each of
 * the five flags associated with each list.  It will return the name of
 * each list that meets the quailifications.  It does this by building a
 * where clause based on the arguments, then doing a retrieve.
 */

static char *lflags[5] = { "active", "publicflg", "hidden", "maillist", "group" };

int qualified_get_lists(q, argv, cl, action, actarg)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
{
    return(qualified_get(q, argv, action, actarg, "l.list_id != 0",
			 "l", "name", lflags));
}


/* get_members_of_list - this gets only direct members */
 
get_members_of_list(q, argv, cl, action, actarg)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
{
    return(gmol_internal(q, argv, cl, action, actarg, 1));
}
 
/* get_end_members_of_list - this gets direct or indirect members */
 
get_end_members_of_list(q, argv, cl, action, actarg)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
{
    return(gmol_internal(q, argv, cl, action, actarg, 0));
}
 
/** gmol_internal - optimized query for retrieval of list members
 **   used by both get_members_of_list and get_end_members_of_list
 **
 ** Inputs:
 **   argv[0] - list_id
 **
 ** Description:
 **   - retrieve USER members, then LIST members, then STRING members
 **/

gmol_internal(q, argv, cl, action, actarg, flag)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
    int flag;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int list_id, member_id, direct;
    char member_name[129], member_type[9];
    EXEC SQL END DECLARE SECTION;
    char *targv[2];
    int members;
    struct save_queue *sq;

    /* true/false flag indicates whether to display only direct members. */
    if (flag)
      direct = 0;
    else
      direct = -1;

    list_id = *(int *)argv[0];
    members = 0;
    sq = sq_create();

    EXEC SQL DECLARE csr118 CURSOR FOR
      SELECT member_type, member_id FROM imembers
	WHERE list_id = :list_id AND direct > :direct;
    EXEC SQL OPEN csr118;
    while(1) {
	EXEC SQL FETCH csr118 INTO :member_type, :member_id;
	if (sqlca.sqlcode != 0) break;
	if (members++ > 49)
	  break;
	sq_save_data(sq, ((int)member_type[0] << 24) | (member_id & 0xffffff));
    }
    EXEC SQL CLOSE csr118;

    if (members <= 49) {
	targv[1] = malloc(0);
	while (sq_remove_data(sq, &member_id)) {
	    switch (member_id >> 24) {
	    case 'U':
		targv[0] = "USER";
		id_to_name(member_id & 0xffffff, "USER", &targv[1]);
		(*action)(2, targv, actarg);
		break;
	    case 'L':
		targv[0] = "LIST";
		id_to_name(member_id & 0xffffff, "LIST", &targv[1]);
		(*action)(2, targv, actarg);
		break;
	    case 'S':
		targv[0] = "STRING";
		id_to_name(member_id & 0xffffff, "STRING", &targv[1]);
		(*action)(2, targv, actarg);
		break;
	    case 'K':
		targv[0] = "KERBEROS";
		id_to_name(member_id & 0xffffff, "STRING", &targv[1]);
		(*action)(2, targv, actarg);
		break;
	    default:
		sq_destroy(sq);
		return(MR_INTERNAL);
	    }
	}
	free(targv[1]);
	sq_destroy(sq);
	return(MR_SUCCESS);
    }
    sq_destroy(sq);

    targv[1] = member_name;
    targv[0] = "USER";
    EXEC SQL DECLARE csr119 CURSOR FOR
      SELECT users.login FROM users, imembers
	WHERE imembers.list_id = :list_id AND imembers.member_type = 'USER'
	  AND imembers.member_id = users.users_id AND imembers.direct > :direct
	ORDER BY 1;
    EXEC SQL OPEN csr119;
    while(1) {
	EXEC SQL FETCH csr119 INTO :member_name;
	if(sqlca.sqlcode != 0) break;
	(*action)(2, targv, actarg);
    }
    EXEC SQL CLOSE csr119;
    if (ingres_errno) return(mr_errcode);

    targv[0] = "LIST";
    EXEC SQL DECLARE csr120 CURSOR FOR
      SELECT list.name FROM list, imembers
	WHERE imembers.list_id = :list_id AND imembers.member_type='LIST'
	  AND imembers.member_id = list.list_id AND imembers.direct > :direct
        ORDER BY 1;
    EXEC SQL OPEN csr120;
    while(1) {
	EXEC SQL FETCH csr120 INTO :member_name;
	if(sqlca.sqlcode != 0) break;
	(*action)(2, targv, actarg);
    }
    EXEC SQL CLOSE csr120;
    if (ingres_errno) return(mr_errcode);

    targv[0] = "STRING";
    EXEC SQL DECLARE csr121 CURSOR FOR
      SELECT strings.string FROM strings, imembers
	WHERE imembers.list_id = :list_id AND imembers.member_type='STRING'
	  AND imembers.member_id = strings.string_id 
	  AND imembers.direct > :direct
	ORDER BY 1;
    EXEC SQL OPEN csr121;
    while(1) {
	EXEC SQL FETCH csr121 INTO :member_name;
	if(sqlca.sqlcode != 0) break;
	(*action)(2, targv, actarg);
    }
    EXEC SQL CLOSE csr121;
    if (ingres_errno) return(mr_errcode);

    targv[0] = "KERBEROS";
    EXEC SQL DECLARE csr122 CURSOR FOR
      SELECT strings.string FROM strings, imembers
	WHERE imembers.list_id = :list_id AND imembers.member_type='KERBEROS'
	  AND imembers.member_id = strings.string_id 
	  AND imembers.direct > :direct
	ORDER BY 1;
    EXEC SQL OPEN csr122;
    while(1) {
	EXEC SQL FETCH csr122 INTO :member_name;
	if(sqlca.sqlcode != 0) break;
	(*action)(2, targv, actarg);
    }
    EXEC SQL CLOSE csr122;
    if (ingres_errno) return(mr_errcode);

    return(MR_SUCCESS);
}


/* count_members_of_list: this is a simple query, but it cannot be done
 * through the dispatch table.
 */

int count_members_of_list(q, argv, cl, action, actarg)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int  list, ct = 0;
    EXEC SQL END DECLARE SECTION;
    char *rargv[1], countbuf[5];

    list = *(int *)argv[0];
    rargv[0] = countbuf;
    EXEC SQL REPEATED SELECT count (*) INTO :ct FROM imembers
      WHERE list_id = :list AND direct=1;
    if (ingres_errno) return(mr_errcode);
    sprintf(countbuf, "%d", ct);
    (*action)(1, rargv, actarg);
    return(MR_SUCCESS);
}


/* qualified_get_server: passed "TRUE", "FALSE", or "DONTCARE" for each of
 * the three flags associated with each service.  It will return the name of
 * each service that meets the quailifications.  It does this by building a
 * where clause based on the arguments, then doing a retrieve.
 */

static char *sflags[3] = { "enable", "inprogress", "harderror" };

int qualified_get_server(q, argv, cl, action, actarg)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
{
    return(qualified_get(q, argv, action, actarg, "s.name != ''",
			 "s", "name", sflags));
}


/* generic qualified get routine, used by qualified_get_lists,
 * qualified_get_server, and qualified_get_serverhost.
 *   Args:
 *	start - a simple where clause, must not be empty
 *	range - the name of the range variable
 *	field - the field to return
 *	flags - an array of strings, names of the flag variables
 */

int qualified_get(q, argv, action, actarg, start, range, field, flags)
    struct query *q;
    char *argv[];
    int (*action)();
    int actarg;
    char *start;
    char *range;
    char *field;
    char *flags[];
{
    char name[33], qual[256];
    int rowcount=0, i;
    char *rargv[1], buf[32];

    strcpy(qual, start);
    for (i = 0; i < q->argc; i++) {
	if (!strcmp(argv[i], "TRUE")) {
	    sprintf(buf, " and %s.%s != 0", range, flags[i]);
	    (void) strcat(qual, buf);
	} else if (!strcmp(argv[i], "FALSE")) {
	    sprintf(buf, " and %s.%s = 0", range, flags[i]);
	    (void) strcat(qual, buf);
	}
    }

    rargv[0] = SQLDA->sqlvar[0].sqldata;
    sprintf(stmt_buf,"SELECT %s.%s FROM %s %s WHERE %s",q->rtable,field,q->rtable,q->rvar,qual);
    EXEC SQL PREPARE stmt INTO :SQLDA USING NAMES FROM :stmt_buf;
    if(sqlca.sqlcode)
      return(MR_INTERNAL);
    EXEC SQL DECLARE csr123 CURSOR FOR stmt;
    EXEC SQL OPEN csr123;
    while(1) {
        EXEC SQL FETCH csr123 USING DESCRIPTOR :SQLDA;
        if(sqlca.sqlcode != 0) break;
        rowcount++;
	(*action)(1, rargv, actarg);
    }
    EXEC SQL CLOSE csr123;
    if (ingres_errno) return(mr_errcode);
    if (rowcount == 0)
      return(MR_NO_MATCH);
    return(MR_SUCCESS);
}


/* qualified_get_serverhost: passed "TRUE", "FALSE", or "DONTCARE" for each of
 * the five flags associated with each serverhost.  It will return the name of
 * each service and host that meets the quailifications.  It does this by
 * building a where clause based on the arguments, then doing a retrieve.
 */

static char *shflags[6] = { "service", "enable", "override", "success",
			    "inprogress", "hosterror" };

int qualified_get_serverhost(q, argv, cl, action, actarg)
    struct query *q;
    char *argv[];
    client *cl;
    int (*action)();
    int actarg;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char sname[33], mname[33], qual[256];
    EXEC SQL END DECLARE SECTION;
    char *rargv[2], buf[32];
    int i, rowcount;

    /** the uppercase() function is INGRES-specific */
    sprintf(qual, "machine.mach_id = serverhosts.mach_id AND \
serverhosts.service = uppercase('%s')",
	    argv[0]);
    for (i = 1; i < q->argc; i++) {
	if (!strcmp(argv[i], "TRUE")) {
	    sprintf(buf, " AND serverhosts.%s != 0", shflags[i]);
	    strcat(qual, buf);
	} else if (!strcmp(argv[i], "FALSE")) {
	    sprintf(buf, " AND serverhosts.%s = 0", shflags[i]);
	    strcat(qual, buf);
	}
    }

    rargv[0] = sname;
    rargv[1] = mname;
    EXEC SQL DECLARE csr124 CURSOR FOR
      SELECT serverhosts.service, machine.name FROM serverhosts, machine
	WHERE :qual;
    EXEC SQL OPEN csr124;
    while(1) {
        EXEC SQL FETCH csr124 INTO :sname, :mname;
	if(sqlca.sqlcode != 0) break;
	rowcount++;
	(*action)(2, rargv, actarg);
    }
    EXEC SQL CLOSE csr124;

    if (ingres_errno) return(mr_errcode);
    if (rowcount == 0)
      return(MR_NO_MATCH);
    return(MR_SUCCESS);
}


/* register_user - change user's login name and allocate a pobox, group,
 * filesystem, and quota for them.  The user's status must start out as 0,
 * and is left as 2.  Arguments are: user's UID, new login name, and user's
 * type for filesystem allocation (MR_FS_STUDENT, MR_FS_FACULTY,
 * MR_FS_STAFF, MR_FS_MISC).
 */

register_user(q, argv, cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *login, dir[65], *entity, directory[129], machname[33];
    int who, rowcount, mid, uid, users_id, flag, utype, nid, list_id, quota;
    int size, alloc, pid, ostatus, nstatus, gidval, fsidval, npidval;
    static int m_id = 0, def_quota = 0;
    EXEC SQL END DECLARE SECTION;
    char buffer[256], *aargv[3];

    entity = cl->entity;
    who = cl->client_id;

    uid = atoi(argv[0]);
    login = argv[1];
    utype = atoi(argv[2]);

    /* find user */
    EXEC SQL REPEATED SELECT users_id, status INTO :users_id, :ostatus
      FROM users
      WHERE uid = :uid AND (status=0 OR status=5 OR status=6);

    if (sqlca.sqlerrd[2] == 0)
      return(MR_NO_MATCH);
    if (sqlca.sqlerrd[2] > 1)
      return(MR_NOT_UNIQUE);

    /* check new login name */
    EXEC SQL REPEATED SELECT login INTO :cdummy FROM users
      WHERE login = LEFT(:login,SIZE(login)) AND users_id != :users_id;
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] > 0) return(MR_IN_USE);
    EXEC SQL REPEATED SELECT name INTO :cdummy FROM list
      WHERE name = LEFT(:login,SIZE(name));
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] > 0) return(MR_IN_USE);
    EXEC SQL REPEATED SELECT label INTO :cdummy FROM filesys
      WHERE label = LEFT(:login,SIZE(label));
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] > 0) return(MR_IN_USE);
    com_err(whoami, 0, "login name OK");

    /* choose place for pobox, put in mid */
    EXEC SQL DECLARE csr130 CURSOR FOR
      SELECT sh.mach_id, m.name FROM serverhosts sh, machine m
      WHERE sh.service='POP' AND sh.mach_id=m.mach_id
	AND sh.value2 - sh.value1 =
	  (SELECT MAX(value2 - value1) FROM serverhosts
	    WHERE service = 'POP');
    EXEC SQL OPEN csr130;
    EXEC SQL FETCH csr130 INTO :mid, :machname;
    if (sqlca.sqlerrd[2] == 0) {
	EXEC SQL CLOSE csr130;
	if (ingres_errno) return(mr_errcode);
	return(MR_NO_POBOX);
    } else {
	EXEC SQL CLOSE csr130;
	if (ingres_errno) return(mr_errcode);
    }

    /* change login name, set pobox */
    sprintf(buffer, "users.users_id = %d", users_id);
    incremental_before("users", buffer, 0);
    nstatus = 2;
    if (ostatus == 5 || ostatus == 6)
      nstatus = 1;
    EXEC SQL REPEATED UPDATE users SET login = :login, status = :nstatus,
        modtime='now', modby = :who, modwith = :entity, potype='POP',
        pop_id = :mid, pmodtime='now', pmodby = :who, pmodwith = :entity
      WHERE users_id = :users_id;

    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] != 1)
      return(MR_INTERNAL);
    set_pop_usage(mid, 1);
    com_err(whoami, 0, "set login name to %s and pobox to %s", login,
	    strtrim(machname));
    incremental_after("users", buffer, 0);

    /* create group list */
    if (set_next_object_id("gid", "list", 1))
      return(MR_NO_ID);
    if (set_next_object_id("list_id", "list", 0))
      return(MR_NO_ID);
    EXEC SQL REPEATED SELECT value INTO :list_id FROM numvalues
      WHERE name='list_id';
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] != 1)
      return(MR_INTERNAL);
    incremental_clear_before();
    EXEC SQL SELECT value INTO :gidval FROM numvalues WHERE name = 'gid';
    EXEC SQL REPEATED INSERT INTO list
             (name, list_id, active, publicflg, hidden, maillist, grouplist,
              gid, description, acl_type, acl_id,
	      modtime, modby, modwith)
      VALUES (:login, :list_id, 1, 0, 0, 0, 1,
	      :gidval, 'User Group', 'USER', :users_id,
	      'now', :who, :entity);
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] != 1)
      return(MR_INTERNAL);
    sprintf(buffer, "list_id = %d", list_id);
    incremental_after("list", buffer, 0);
    aargv[0] = (char *) list_id;
    aargv[1] = "USER";
    aargv[2] = (char *) users_id;
    incremental_clear_before();
    EXEC SQL REPEATED INSERT INTO imembers
             (list_id, member_type, member_id, ref_count, direct)
      VALUES (:list_id, 'USER', :users_id, 1, 1);
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] != 1)
      return(MR_INTERNAL);
    incremental_after("members", 0, aargv);

    if (m_id == 0) {
        /* Cell Name (I know, it shouldn't be hard coded...) */
        strcpy(machname, "ATHENA.MIT.EDU");
	EXEC SQL SELECT mach_id INTO :m_id FROM machine 
	  WHERE name = :machname;
    }

    /* create filesystem */
    if (set_next_object_id("filsys_id", "filesys", 0))
      return(MR_NO_ID);
    incremental_clear_before();
    if (islower(login[0]) && islower(login[1])) {
        sprintf(directory, "/afs/athena.mit.edu/user/%c/%c/%s",
                login[0], login[1], login);
    } else {
        sprintf(directory, "/afs/athena.mit.edu/user/other/%s", login);
    }
 
    EXEC SQL SELECT value INTO :fsidval FROM numvalues
      WHERE numvalues.name='filsys_id';
    EXEC SQL REPEATED INSERT INTO filesys
        (filsys_id, phys_id, label, type, mach_id, name,
	 mount, access, comments, owner, owners, createflg,
	 lockertype, modtime, modby, modwith)
      VALUES
	(:fsidval, 0, :login, 'AFS', :m_id, :directory,
	 '/mit/'+:login, 'w', 'User Locker', :users_id, :list_id, 1,
	 'HOMEDIR', 'now', :who, :entity);

    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2]  != 1)
      return(MR_INTERNAL);
    sprintf(buffer,"fs.filsys_id = %d",fsidval);
    incremental_after("filesys", buffer, 0);

    /* set quota */
    if (def_quota == 0) {
	EXEC SQL REPEATED SELECT value INTO :quota FROM numvalues
	  WHERE name='def_quota';
	if (ingres_errno) return(mr_errcode);
	if (sqlca.sqlerrd[2] != 1)
	  return(MR_NO_QUOTA);
    }
    incremental_clear_before();
    EXEC SQL REPEATED INSERT INTO quota
        (entity_id, filsys_id, type, quota, phys_id, modtime, modby, modwith)
      VALUES
        (0, :fsidval, 'ANY', :def_quota, 0, 'now', :who, :entity);
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] != 1)
      return(MR_INTERNAL);
    aargv[0] = login;
    aargv[1] = "ANY";
    aargv[2] = login;
    sprintf(buffer, "q.entity_id = 0 and q.filsys_id = %d and q.type = 'ANY'", fsidval);
    incremental_after("quota", buffer, aargv);
    com_err(whoami, 0, "quota of %d assigned", def_quota);
    if (ingres_errno) return(mr_errcode);

    cache_entry(login, "USER", users_id);

    EXEC SQL REPEATED UPDATE tblstats SET updates=updates+1, modtime='now'
      WHERE table_name='users';
    EXEC SQL REPEATED UPDATE tblstats SET appends=appends+1, modtime='now'
      WHERE table_name='list' OR table_name='filesys' OR table_name='quota';
    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


/** set_pop_usage - incr/decr usage count for pop server in serverhosts talbe
 **
 ** Inputs:
 **   id of machine
 **   delta (will be +/- 1)
 **
 ** Description:
 **   - incr/decr value field in serverhosts table for pop/mach_id
 **
 **/

static int set_pop_usage(id, cnt)
    EXEC SQL BEGIN DECLARE SECTION;
    int id;
    int cnt;
    EXEC SQL END DECLARE SECTION;
{
    EXEC SQL REPEATED UPDATE serverhosts SET value1 = value1 + :cnt
      WHERE serverhosts.service = 'POP' AND serverhosts.mach_id = :id;

    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


\f
/* Validation Routines */

validate_row(q, argv, v)
    register struct query *q;
    char *argv[];
    register struct validate *v;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *name;
    char qual[128];
    int rowcount;
    EXEC SQL END DECLARE SECTION;

    /* build where clause */
    build_qual(v->qual, v->argc, argv, qual);

    if (log_flags & LOG_VALID)
	/* tell the logfile what we're doing */
	com_err(whoami, 0, "validating row: %s", qual);

    /* look for the record */
    sprintf(stmt_buf,"SELECT COUNT (*) FROM %s WHERE %s",q->rtable,qual);
    EXEC SQL PREPARE stmt INTO :SQLDA USING NAMES FROM :stmt_buf;
    if(sqlca.sqlcode)
      return(MR_INTERNAL);
    EXEC SQL DECLARE csr126 CURSOR FOR stmt;
    EXEC SQL OPEN csr126;
    EXEC SQL FETCH csr126 USING DESCRIPTOR :SQLDA;
    EXEC SQL CLOSE csr126;
    rowcount = *(int *)SQLDA->sqlvar[0].sqldata;

    if (ingres_errno) return(mr_errcode);
    if (rowcount == 0) return(MR_NO_MATCH);
    if (rowcount > 1) return(MR_NOT_UNIQUE);
    return(MR_EXISTS);
}

validate_fields(q, argv, vo, n)
    struct query *q;
    register char *argv[];
    register struct valobj *vo;
    register int n;
{
    register int status;

    while (--n >= 0) {
	switch (vo->type) {
	case V_NAME:
	    if (log_flags & LOG_VALID)
		com_err(whoami, 0, "validating %s in %s: %s",
		    vo->namefield, vo->table, argv[vo->index]);
	    status = validate_name(argv, vo);
	    break;

	case V_ID:
	    if (log_flags & LOG_VALID)
		com_err(whoami, 0, "validating %s in %s: %s",
		    vo->idfield, vo->table, argv[vo->index]);
	    status = validate_id(q, argv, vo);
	    break;

	case V_DATE:
	    if (log_flags & LOG_VALID)
		com_err(whoami, 0, "validating date: %s", argv[vo->index]);
	    status = validate_date(argv, vo);
	    break;

	case V_TYPE:
	    if (log_flags & LOG_VALID)
		com_err(whoami, 0, "validating %s type: %s",
		    vo->table, argv[vo->index]);
	    status = validate_type(argv, vo);
	    break;

	case V_TYPEDATA:
	    if (log_flags & LOG_VALID)
		com_err(whoami, 0, "validating typed data (%s): %s",
		    argv[vo->index - 1], argv[vo->index]);
	    status = validate_typedata(q, argv, vo);
	    break;

	case V_RENAME:
	    if (log_flags & LOG_VALID)
	        com_err(whoami, 0, "validating rename %s in %s",
			argv[vo->index], vo->table);
	    status = validate_rename(argv, vo);
	    break;

	case V_CHAR:
	    if (log_flags & LOG_VALID)
	      com_err(whoami, 0, "validating chars: %s", argv[vo->index]);
	    status = validate_chars(argv[vo->index]);
	    break;

	case V_SORT:
	    status = MR_EXISTS;
	    break;

	case V_LOCK:
	    status = lock_table(vo);
	    break;

	case V_WILD:
	    status = convert_wildcards(argv[vo->index]);
	    break;

	case V_UPWILD:
	    status = convert_wildcards_uppercase(argv[vo->index]);
	    break;

	}

	if (status != MR_EXISTS) return(status);
	vo++;
    }

    if (ingres_errno) return(mr_errcode);
    return(MR_SUCCESS);
}


/* validate_chars: verify that there are no illegal characters in
 * the string.  Legal characters are printing chars other than
 * ", *, ?, \, [ and ].
 */
static int illegalchars[] = {
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^@ - ^O */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* ^P - ^_ */
    0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, /* SPACE - / */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, /* 0 - ? */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* : - O */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, /* P - _ */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* ` - o */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, /* p - ^? */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
};

validate_chars(s)
register char *s;
{
    while (*s)
      if (illegalchars[*s++])
	return(MR_BAD_CHAR);
    return(MR_EXISTS);
}


validate_id(q, argv, vo)
    struct query *q;
    char *argv[];
    register struct valobj *vo;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *name, *tbl, *namefield, *idfield;
    int id, rowcount;
    EXEC SQL END DECLARE SECTION;
    int status;
    register char *c;

    name = argv[vo->index];
    tbl = vo->table;
    namefield = vo->namefield;
    idfield = vo->idfield;

    if ((!strcmp(tbl, "users") && !strcmp(namefield, "login")) ||
	!strcmp(tbl, "machine") ||
	!strcmp(tbl, "filesys") ||
	!strcmp(tbl, "list") ||
	!strcmp(tbl, "cluster") ||
	!strcmp(tbl, "strings")) {
	if (!strcmp(tbl, "machine"))
	  for (c = name; *c; c++) if (islower(*c)) *c = toupper(*c);
	status = name_to_id(name, tbl, &id);
	if (status == 0) {
	    *(int *)argv[vo->index] = id;
	    return(MR_EXISTS);
	} else if (status == MR_NO_MATCH && !strcmp(tbl, "strings") &&
		   (q->type == APPEND || q->type == UPDATE)) {
	    EXEC SQL SELECT value INTO :id FROM numvalues
	      WHERE name = 'strings_id';
	    id++;
	    EXEC SQL UPDATE numvalues SET value = :id WHERE name = 'string_id';
	    EXEC SQL INSERT INTO strings (string_id, string) VALUES (:id, :name);
	    cache_entry(name, "STRING", id);
	    *(int *)argv[vo->index] = id;
	    return(MR_EXISTS);
	} else if (status == MR_NO_MATCH || status == MR_NOT_UNIQUE)
	  return(vo->error);
	else
	  return(status);
    }

    if (!strcmp(namefield, "uid")) {
	sprintf(stmt_buf,"SELECT %s FROM %s WHERE %s = %s",idfield,tbl,namefield,name);
    } else {
	sprintf(stmt_buf,"SELECT %s FROM %s WHERE %s = '%s'",idfield,tbl,namefield,name);
    }
    EXEC SQL PREPARE stmt INTO :SQLDA USING NAMES FROM :stmt_buf;
    if(sqlca.sqlcode)
      return(MR_INTERNAL);
    EXEC SQL DECLARE csr127 CURSOR FOR stmt;
    EXEC SQL OPEN csr127;
    rowcount=0;
    EXEC SQL FETCH csr127 USING DESCRIPTOR :SQLDA;
    if(sqlca.sqlcode == 0) {
	rowcount++;
	EXEC SQL FETCH csr127 USING DESCRIPTOR :SQLDA;
	if(sqlca.sqlcode == 0) rowcount++;
    }
    EXEC SQL CLOSE csr127;
    if (ingres_errno)
      return(mr_errcode);

    if (rowcount != 1) return(vo->error);
    bcopy(SQLDA->sqlvar[0].sqldata,argv[vo->index],sizeof(int));
    return(MR_EXISTS);
}

validate_name(argv, vo)
    char *argv[];
    register struct valobj *vo;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *name, *tbl, *namefield;
    int rowcount;
    EXEC SQL END DECLARE SECTION;
    register char *c;

    name = argv[vo->index];
    tbl = vo->table;
    namefield = vo->namefield;
    if (!strcmp(tbl, "servers") && !strcmp(namefield, "name")) {
	for (c = name; *c; c++)
	  if (islower(*c))
	    *c = toupper(*c);
    }
    sprintf(stmt_buf,"SELECT DISTINCT COUNT(*) FROM %s WHERE %s.%s = '%s'",
	    tbl,tbl,namefield,name);
    EXEC SQL PREPARE stmt INTO :SQLDA USING NAMES FROM :stmt_buf;
    if(sqlca.sqlcode)
      return(MR_INTERNAL);
    EXEC SQL DECLARE csr128 CURSOR FOR stmt;
    EXEC SQL OPEN csr128;
    EXEC SQL FETCH csr128 USING DESCRIPTOR :SQLDA;
    rowcount = *(int *)SQLDA->sqlvar[0].sqldata;
    EXEC SQL CLOSE csr128;

    if (ingres_errno) return(mr_errcode);
    return ((rowcount == 1) ? MR_EXISTS : vo->error);
}

validate_date(argv, vo)
    char *argv[];
    struct valobj *vo;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *idate;
    double dd;
    int errorno;
    EXEC SQL END DECLARE SECTION;

    idate = argv[vo->index];
    EXEC SQL SELECT interval('years',date(:idate)-date('today')) INTO :dd;

    if (sqlca.sqlcode != 0 || dd > 5.0) return(MR_DATE);
    return(MR_EXISTS);
}


validate_rename(argv, vo)
char *argv[];
struct valobj *vo;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *name, *tbl, *namefield, *idfield;
    int id;
    EXEC SQL END DECLARE SECTION;
    int status;
    register char *c;

    c = name = argv[vo->index];
    while (*c)
      if (illegalchars[*c++])
	return(MR_BAD_CHAR);
    tbl = vo->table;
    /* minor kludge to upcasify machine names */
    if (!strcmp(tbl, "machine"))
	for (c = name; *c; c++) if (islower(*c)) *c = toupper(*c);
    namefield = vo->namefield;
    idfield = vo->idfield;
    id = -1;
    if (idfield == 0) {
	if (!strcmp(argv[vo->index], argv[vo->index - 1]))
	  return(MR_EXISTS);
	sprintf(stmt_buf,"SELECT %s FROM %s WHERE %s = LEFT('%s',SIZE(%s))",
		namefield,tbl,namefield,name,namefield);
	EXEC SQL PREPARE stmt INTO :SQLDA USING NAMES FROM :stmt_buf;
	if(sqlca.sqlcode)
	  return(MR_INTERNAL);
        EXEC SQL DECLARE csr129 CURSOR FOR stmt;
	EXEC SQL OPEN csr129;
        EXEC SQL FETCH csr129 USING DESCRIPTOR :SQLDA;
	if(sqlca.sqlcode == 0) id=1; else id=0;
	EXEC SQL CLOSE csr129;

	if (ingres_errno) return(mr_errcode);
	if (id)
	  return(vo->error);
	else
	  return(MR_EXISTS);
    }
    status = name_to_id(name, tbl, &id);
    if (status == MR_NO_MATCH || id == *(int *)argv[vo->index - 1])
      return(MR_EXISTS);
    else
      return(vo->error);
}


validate_type(argv, vo)
    char *argv[];
    register struct valobj *vo;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *typename;
    char *val;
    EXEC SQL END DECLARE SECTION;
    register char *c;

    typename = vo->table;
    c = val = argv[vo->index];
    while (*c) {
	if (illegalchars[*c++])
	  return(MR_BAD_CHAR);
    }

    /* uppercase type fields */
    for (c = val; *c; c++) if (islower(*c)) *c = toupper(*c);

    EXEC SQL SELECT trans INTO :cdummy FROM alias
      WHERE name = :typename AND type='TYPE' AND trans = :val;
    if (ingres_errno) return(mr_errcode);
    return (sqlca.sqlerrd[2] ? MR_EXISTS : vo->error);
}

/* validate member or type-specific data field */

validate_typedata(q, argv, vo)
    register struct query *q;
    register char *argv[];
    register struct valobj *vo;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *name;
    char *field_type;
    char data_type[129];
    int id;
    EXEC SQL END DECLARE SECTION;
    int status;
    char *index();
    register char *c;

    /* get named object */
    name = argv[vo->index];

    /* get field type string (known to be at index-1) */
    field_type = argv[vo->index-1];

    /* get corresponding data type associated with field type name */
    EXEC SQL SELECT trans INTO :data_type FROM alias
      WHERE name = :field_type AND type='TYPEDATA';
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] != 1) return(MR_TYPE);

    /* now retrieve the record id corresponding to the named object */
    if (index(data_type, ' '))
	*index(data_type, ' ') = 0;
    if (!strcmp(data_type, "user")) {
	/* USER */
	status = name_to_id(name, data_type, &id);
	if (status && (status == MR_NO_MATCH || status == MR_NOT_UNIQUE))
	  return(MR_USER);
	if (status) return(status);
    } else if (!strcmp(data_type, "list")) {
	/* LIST */
	status = name_to_id(name, data_type, &id);
	if (status && status == MR_NOT_UNIQUE)
	  return(MR_LIST);
	if (status == MR_NO_MATCH) {
	    /* if idfield is non-zero, then if argv[0] matches the string
	     * that we're trying to resolve, we should get the value of
	     * numvalues.[idfield] for the id.
	     */
	    if (vo->idfield && !strcmp(argv[0], argv[vo->index])) {
		set_next_object_id(q->validate->object_id, q->rtable, 0);
		name = vo->idfield;
		EXEC SQL REPEATED SELECT value INTO :id FROM numvalues
		  WHERE name = :name;
		if (sqlca.sqlerrd[2] != 1) return(MR_LIST);
	    } else
	      return(MR_LIST);
	} else if (status) return(status);
    } else if (!strcmp(data_type, "machine")) {
	/* MACHINE */
	for (c = name; *c; c++) if (islower(*c)) *c = toupper(*c);
	status = name_to_id(name, data_type, &id);
	if (status && (status == MR_NO_MATCH || status == MR_NOT_UNIQUE))
	  return(MR_MACHINE);
	if (status) return(status);
    } else if (!strcmp(data_type, "string")) {
	/* STRING */
	status = name_to_id(name, data_type, &id);
	if (status && status == MR_NOT_UNIQUE)
	  return(MR_STRING);
	if (status == MR_NO_MATCH) {
	    if (q->type != APPEND && q->type != UPDATE) return(MR_STRING);
	    EXEC SQL SELECT value INTO :id FROM numvalues WHERE name = 'strings_id';
	    id++;
	    EXEC SQL UPDATE numvalues SET value = :id WHERE name = 'strings_id';
	    EXEC SQL INSERT INTO strings (string_id, string) VALUES (:id, :name);
	    cache_entry(name, "STRING", id);
	} else if (status) return(status);
    } else if (!strcmp(data_type, "none")) {
	id = 0;
    } else {
	return(MR_TYPE);
    }

    /* now set value in argv */
    *(int *)argv[vo->index] = id;

    return (MR_EXISTS);
}


/* Lock the table named by the validation object */

lock_table(vo)
struct valobj *vo;
{
    sprintf(stmt_buf,"UPDATE %s SET modtime='now' WHERE %s.%s = 0",
	    vo->table,vo->table,vo->idfield);
    EXEC SQL EXECUTE IMMEDIATE :stmt_buf;
    if (ingres_errno) return(mr_errcode);
    if (sqlca.sqlerrd[2] != 1)
      return(vo->error);
    else
      return(MR_EXISTS);
}


/* Check the database at startup time.  For now this just resets the
 * inprogress flags that the DCM uses.
 */

sanity_check_database()
{
}


/* Dynamic SQL support routines */
MR_SQLDA_T *mr_alloc_SQLDA()
{
    MR_SQLDA_T *it;
    short *null_indicators;
    register int j;

    if((it=(MR_SQLDA_T *)malloc(sizeof(MR_SQLDA_T)))==NULL) {
	com_err(whoami, MR_NO_MEM, "setting up SQLDA");
	exit(1);
    }

    if((null_indicators=(short *)calloc(QMAXARGS,sizeof(short)))==NULL) {
	com_err(whoami, MR_NO_MEM, "setting up SQLDA null indicators");
	exit(1);
    }

    for(j=0; j<QMAXARGS; j++) {
	if((it->sqlvar[j].sqldata=malloc(sizeof(short)+QMAXARGSIZE))==NULL) {
	    com_err(whoami, MR_NO_MEM, "setting up SQLDA variables");
	    exit(1);
	}
	it->sqlvar[j].sqllen=QMAXARGSIZE;
	it->sqlvar[j].sqlind=null_indicators+j;
	null_indicators[j]=0;
    }
    it->sqln=QMAXARGS;
    return it;
}


/* Use this after FETCH USING DESCRIPTOR one or more
 * result columns may contain NULLs.  This routine is
 * not currently needed, since db/schema creates all
 * columns with a NOT NULL WITH DEFAULT clause.
 *
 * This is currently dead flesh, since no Moira columns
 * allow null values; all use default values.
 */
mr_fix_nulls_in_SQLDA(da)
    MR_SQLDA_T *da;
{
    register IISQLVAR *var;
    register int j;
    int *intp;

    for(j=0, var=da->sqlvar; j<da->sqld; j++, var++) {
	switch(var->sqltype) {
	  case -IISQ_CHA_TYPE:
	    if(*var->sqlind)
	      *var->sqldata='\0';
	    break;
	  case -IISQ_INT_TYPE:
	    if(*var->sqlind) {
		intp=(int *)var->sqldata;
		*intp=0;
	    }
	    break;
	}
    }
}

/* prefetch_value():
 * This routine fetches an appropriate value from the numvalues table.
 * It is a little hack to get around the fact that SQL doesn't let you
 * do something like INSERT INTO table (foo) VALUES (other_table.bar).
 *
 * It is called from the query table as (*v->pre_rtn)(q,Argv,cl) or
 * from within a setup_...() routine with the appropriate arguments.
 *
 * Correct functioning of this routine may depend on the assumption
 * that this query is an APPEND.
 */

prefetch_value(q,argv,cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    char *name = q->validate->object_id;
    int value;
    EXEC SQL END DECLARE SECTION;
    int status, limit, argc;

    /* set next object id, limiting it if necessary */
    if(!strcmp(name, "uid") || !strcmp(name, "gid"))
      limit = 1; /* So far as I know, this isn't needed.  Just CMA. */
    else
      limit = 0;
    if((status = set_next_object_id(name, q->rtable, limit)) != MR_SUCCESS)
      return(status);

    /* fetch object id */
    EXEC SQL SELECT value INTO :value FROM numvalues WHERE name=:name;
    if(ingres_errno) return(mr_errcode);
    if(sqlca.sqlerrd[2] != 1) return(MR_INTERNAL);

    argc = q->argc + q->vcnt;   /* end of Argv for APPENDs */
    sprintf(argv[argc],"%d",value);  /** Could save this step by changing tlist from %s to %d **/

    return(MR_SUCCESS);
}

/* prefetch_filesys():
 * Fetches the phys_id from filesys based on the filsys_id in argv[0].
 * Appends the filsys_id and the phys_id to the argv so they can be
 * referenced in an INSERT into a table other than filesys.  Also
 * see comments at prefetch_value().
 *
 * Assumes the existence of a row where filsys_id = argv[0], since a
 * filesys label has already been resolved to a filsys_id.
 */
prefetch_filesys(q,argv,cl)
    struct query *q;
    char **argv;
    client *cl;
{
    EXEC SQL BEGIN DECLARE SECTION;
    int fid,phid;
    EXEC SQL END DECLARE SECTION;
    int argc;

    fid = *(int *)argv[0];
    EXEC SQL SELECT phys_id INTO :phid FROM filesys WHERE filsys_id = :fid;
    if(ingres_errno) return(mr_errcode);

    argc=q->argc+q->vcnt;
    sprintf(argv[argc++],"%d",fid);
    sprintf(argv[argc],"%d",phid);

    return(MR_SUCCESS);
}

/* Convert normal Unix-style wildcards to SQL voodoo */
convert_wildcards(arg)
    char *arg;
{
    static char buffer[QMAXARGSIZE];
    register char *s, *d;

    for(d=buffer,s=arg;*s;s++) {
	switch(*s) {
	  case '*': *d++='%'; *d++='%'; break;
	  case '?': *d++='_'; break;
	  case '_':
	  case '[':
	  case ']': *d++='*'; *d++ = *s; break;
	  case '%': *d++='*'; *d++='%'; *d++='%'; break;
	  default: *d++ = *s; break;
	}
    }
    *d='\0';

    /* Copy back into argv */
    strcpy(arg,buffer);

    return(MR_EXISTS);
}

/* This version includes uppercase conversion, for things like gmac.
 * This is necessary because "LIKE" doesn't work with "uppercase()".
 * Including it in a wildcard routine saves making two passes over
 * the argument string.
 */
convert_wildcards_uppercase(arg)
    char *arg;
{
    static char buffer[QMAXARGSIZE];
    register char *s, *d;

    for(d=buffer,s=arg;*s;s++) {
	switch(*s) {
	  case '*': *d++='%'; *d++='%'; break;
	  case '?': *d++='_'; break;
	  case '_':
	  case '[':
	  case ']': *d++='*'; *d++ = *s; break;
	  case '%': *d++='*'; *d++='%'; *d++='%'; break;
	  default: *d++=toupper(*s); break;       /* This is the only diff. */
	}
    }
    *d='\0';

    /* Copy back into argv */
    strcpy(arg,buffer);

    return(MR_EXISTS);
}

/* eof:qsupport.dc */