[moira.git] / server / mr_server.h

/* $Id$
 *
 * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology
 * For copying and distribution information, please see the file
 * <mit-copyright.h>.
 */

#include <moira.h>
#include <mr_proto.h>
#include <moira_site.h>

#include <netinet/in.h>

#include <stdarg.h>

#include <krb.h>

typedef struct returned_tuples {
  struct returned_tuples *next;
  OPERATION op;
  mr_params *retval;
} returned_tuples;

/*
 * This should be in the kerberos header file.
 */

struct krbname {
  char name[ANAME_SZ];
  char inst[INST_SZ];
  char realm[REALM_SZ];
};

/*
 * This structure holds all per-client information; one of these is
 * allocated for each active client.
 */

typedef struct _client {
  OPERATION pending_op;		/* Primary pending operation */
  CONNECTION con;		/* Connection to the client */
  int action;			/* what action is pending? */
  mr_params *args, reply;
  int id;			/* Unique id of client */
  struct sockaddr_in haddr; 	/* IP address of client */
  char clname[MAX_K_NAME_SZ];	/* Name client authenticated to */
  struct krbname kname; 	/* Parsed version of the above */
  int users_id;			/* Moira-internal ID of authenticated user */
  int client_id;		/* Moira-internal ID of client for modby field */
  returned_tuples *first, *last;
  time_t last_time_used;	/* Last time connection used */
  char entity[9];		/* entity on other end of the connection */
} client;

/*
 * States
 */

#define CL_DEAD 0
#define CL_STARTING 1

/*
 * Actions.
 */

#define CL_ACCEPT 0
#define CL_RECEIVE 1
#define CL_SEND 2

extern char *krb_realm;

/*
 * Debugging options.
 */

extern int log_flags;

#define LOG_CONNECT		0x0001
#define LOG_REQUESTS		0x0002
#define LOG_ARGS		0x0004
#define LOG_RESP		0x0008
#define LOG_RES			0x0010
#define LOG_VALID		0x0020
#define LOG_SQL			0x0040
#define LOG_GDSS		0x0080


/* max length of query argument allowed */
#define ARGLEN	257
/* Used to setup static argv, maximum argc */
#define QMAXARGS	22

/* statistics on number of queries by version number */
extern int newqueries, oldqueries;

/* Maximum and minimum values that will ever be chosen for IDs */
#define MAX_ID_VALUE	31999
#define MIN_ID_VALUE	100

/* Sleepy states for the server! */
#define AWAKE 0
#define SLEEPY 1
#define ASLEEP 2
#define GROGGY 3
extern int dormant;

/* state for the incremental update system */
extern int inc_running, inc_pid;
extern time_t inc_started, now;
#define INC_TIMEOUT (3 * 60)	/* 3 minutes */


#define SQL_NO_MATCH 1403 /* oracle, not ingres (= 100) */

/* types needed for prototypes */
struct query;
struct validate;
struct valobj;

/* prototypes from gdb */
int gdb_init(void);
int gdb_debug(int flag);
void start_accepting_client(CONNECTION, OPERATION, CONNECTION *,
			     char *, int *, TUPLE *);
int initialize_operation(OPERATION, int (*init_function)(OPERATION, HALF_CONNECTION, void *),
			 char *, int (*cancel_function)(HALF_CONNECTION, void *));
int reset_operation(OPERATION);
int delete_operation(OPERATION);
int start_replying_to_client(OPERATION, CONNECTION, int, char *, char *);
int op_select(LIST_OF_OPERATIONS, int, fd_set *, fd_set *, fd_set *,
	      struct timeval *);

/* prototypes from increment.dc */
void incremental_init(void);
void next_incremental(void);
void incremental_update(void);
void incremental_flush(void);

/* prototypes from qrtn.dc */
void dbmserr(void);
void dosql(char *buffers[]);
int mr_open_database(void);
void mr_close_database(void);
int mr_process_query(client *cl, char *name, int argc, char *argv_ro[],
		     int (*action)(int, char *[], void *), void *actarg);
int mr_check_access(client *cl, char *name, int argc, char *argv_ro[]);
void sanity_check_queries(void);
int set_krb_mapping(char *name, char *login, int ok, int *kid, int *uid);
int find_member(char *list_type, int list_id, client *cl);
int do_for_all_rows(char *query, int count,
		    int (*action)(int, char *[], void *), void *actarg);
void build_qual(char *fmt, int argc, char *argv[], char *qual);


/* prototyoes from qsupport.dc */
int set_pop_usage(int id, int cnt);

/* prototypes from qvalidate.dc */
void sanity_check_database(void);
int add_string(char *name);
int convert_wildcards(char *arg);

/* prototypes from mr_main.c */
void clist_delete(client *cp);

/* prototypes from mr_sauth.c */
void do_auth(client *cl);

/* prototypes from mr_scall.c */
void do_client(client *cp);
int trigger_dcm(struct query *q, char *argv[], client *cl);

/* prototypes from mr_shutdown.c */
void sigshut(int);
void do_shutdown(client *cl);

/* prototypes from mr_util.c */
char *requote(char *buf, char *cp, int len);
void log_args(char *tag, int version, int argc, char **argv);
void mr_com_err(const char *whoami, long code, const char *fmt, va_list pvar);
int mr_trim_args(int argc, char **argv);
char **mr_copy_args(char **argv, int argc);

/* prototypes from qaccess.pc */
int access_user(struct query *q, char *argv[], client *cl);
int access_login(struct query *q, char *argv[], client *cl);
int access_list(struct query *q, char *argv[], client *cl);
int access_visible_list(struct query *q, char *argv[], client *cl);
int access_vis_list_by_name(struct query *q, char *argv[], client *cl);
int access_member(struct query *q, char *argv[], client *cl);
int access_qgli(struct query *q, char *argv[], client *cl);
int access_service(struct query *q, char *argv[], client *cl);
int access_filesys(struct query *q, char *argv[], client *cl);
int access_host(struct query *q, char *argv[], client *cl);
int access_ahal(struct query *q, char *argv[], client *cl);
int access_snt(struct query *q, char *argv[], client *cl);

/* prototypes from qfollow.pc */
int followup_fix_modby(struct query *q, struct save_queue *sq,
		       struct validate *v, int (*action)(int, char **, void *),
		       void *actarg, client *cl);
int followup_gpob(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);
int followup_glin(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);
int followup_gzcl(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);
int followup_gsha(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);
int followup_gqot(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);
int followup_gpce(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);
int followup_guax(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);
int followup_gsnt(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);
int followup_ghst(struct query *q, struct save_queue *sq, struct validate *v,
		  int (*action)(int, char **, void *), void *actarg,
		  client *cl);

int followup_ausr(struct query *q, char *argv[], client *cl);
int followup_aqot(struct query *q, char *argv[], client *cl);
int followup_dqot(struct query *q, char *argv[], client *cl);
int followup_uuac(struct query *q, char *argv[], client *cl);

int set_modtime(struct query *q, char *argv[], client *cl);
int set_modtime_by_id(struct query *q, char *argv[], client *cl);
int set_finger_modtime(struct query *q, char *argv[], client *cl);
int set_pobox_modtime(struct query *q, char *argv[], client *cl);
int set_uppercase_modtime(struct query *q, char *argv[], client *cl);
int set_mach_modtime_by_id(struct query *q, char *argv[], client *cl);
int set_cluster_modtime_by_id(struct query *q, char *argv[], client *cl);
int set_serverhost_modtime(struct query *q, char *argv[], client *cl);
int set_nfsphys_modtime(struct query *q, char *argv[], client *cl);
int set_filesys_modtime(struct query *q, char *argv[], client *cl);
int set_zephyr_modtime(struct query *q, char *argv[], client *cl);
int _sdl_followup(struct query *q, char *argv[], client *cl);

/* prototypes from qsetup.pc */
int prefetch_value(struct query *q, char *argv[], client *cl);
int prefetch_filesys(struct query *q, char *argv[], client *cl);
int setup_ausr(struct query *q, char *argv[], client *cl);
int setup_dusr(struct query *q, char *argv[], client *cl);
int setup_spop(struct query *q, char *argv[], client *cl);
int setup_dpob(struct query *q, char *argv[], client *cl);
int setup_dmac(struct query *q, char *argv[], client *cl);
int setup_dclu(struct query *q, char *argv[], client *cl);
int setup_alis(struct query *q, char *argv[], client *cl);
int setup_dlis(struct query *q, char *argv[], client *cl);
int setup_dsin(struct query *q, char *argv[], client *cl);
int setup_dshi(struct query *q, char *argv[], client *cl);
int setup_afil(struct query *q, char *argv[], client *cl);
int setup_ufil(struct query *q, char *argv[], client *cl);
int setup_dfil(struct query *q, char *argv[], client *cl);
int setup_aftg(struct query *q, char *argv[], client *cl);
int setup_dnfp(struct query *q, char *argv[], client *cl);
int setup_dqot(struct query *q, char *argv[], client *cl);
int setup_akum(struct query *q, char *argv[], client *cl);
int setup_dsnt(struct query *q, char *argv[], client *cl);
int setup_ahst(struct query *q, char *argv[], client *cl);
int setup_ahal(struct query *q, char *argv[], client *cl);

/* prototypes from qsupport.pc */
int set_pobox(struct query *q, char *argv[], client *cl);
int add_member_to_list(struct query *q, char *argv[], client *cl);
int delete_member_from_list(struct query *q, char *argv[], client *cl);
int register_user(struct query *q, char *argv[], client *cl);

int get_list_info(struct query *q, char **argv, client *cl,
		  int (*action)(int, char *[], void *), void *actarg);
int get_ace_use(struct query *q, char **argv, client *cl,
		int (*action)(int, char *[], void *), void *actarg);
int qualified_get_lists(struct query *q, char **argv, client *cl,
			int (*action)(int, char *[], void *), void *actarg);
int get_members_of_list(struct query *q, char **argv, client *cl,
			int (*action)(int, char *[], void *), void *actarg);
int get_end_members_of_list(struct query *q, char **argv, client *cl,
			    int (*action)(int, char *[], void *),
			    void *actarg);
int qualified_get_server(struct query *q, char **argv, client *cl,
			 int (*action)(int, char *[], void *), void *actarg);
int qualified_get_serverhost(struct query *q, char **argv, client *cl,
			     int (*action)(int, char *[], void *),
			     void *actarg);
int count_members_of_list(struct query *q, char **argv, client *cl,
			  int (*action)(int, char *[], void *), void *actarg);
int get_lists_of_member(struct query *q, char **argv, client *cl,
			int (*action)(int, char *[], void *), void *actarg);

/* prototypes from qvalidate.pc */
/* from qvalidate.dc */
int validate_fields(struct query *q, char *argv[], struct valobj *vo, int n);
int validate_row(struct query *q, char *argv[], struct validate *v);
Commit	Line	Data
7ac48069	1	/* $Id$
eab30d01	2	*
7ac48069	3	* Copyright (C) 1987-1998 by the Massachusetts Institute of Technology
	4	* For copying and distribution information, please see the file
	5	* <mit-copyright.h>.
eab30d01	6	*/
eab30d01	7
7ac48069	8	#include <moira.h>
7ac48069	9	#include <mr_proto.h>
d548a4e7	10	#include <moira_site.h>
7ac48069	11
	12	#include <netinet/in.h>
	13
98a7b0ee	14	#include <stdarg.h>
5dbd09a0	15
7ac48069	16	#include <krb.h>
7ac48069	17
c27b3454	18	typedef struct returned_tuples {
5eaef520	19	struct returned_tuples *next;
	20	OPERATION op;
	21	mr_params *retval;
c27b3454	22	} returned_tuples;
5dbd09a0	23
0311b667	24	/*
	25	* This should be in the kerberos header file.
	26	*/
	27
	28	struct krbname {
5eaef520	29	char name[ANAME_SZ];
	30	char inst[INST_SZ];
	31	char realm[REALM_SZ];
0311b667	32	};
	33
	34	/*
	35	* This structure holds all per-client information; one of these is
	36	* allocated for each active client.
	37	*/
5d354f89	38
0fa91a0a	39	typedef struct _client {
5eaef520	40	OPERATION pending_op; /* Primary pending operation */
	41	CONNECTION con; /* Connection to the client */
	42	int action; /* what action is pending? */
	43	mr_params *args, reply;
	44	int id; /* Unique id of client */
	45	struct sockaddr_in haddr; /* IP address of client */
	46	char clname[MAX_K_NAME_SZ]; /* Name client authenticated to */
	47	struct krbname kname; /* Parsed version of the above */
59ec8dae	48	int users_id; /* Moira-internal ID of authenticated user */
59ec8dae	49	int client_id; /* Moira-internal ID of client for modby field */
5eaef520	50	returned_tuples first, last;
	51	time_t last_time_used; /* Last time connection used */
	52	char entity[9]; /* entity on other end of the connection */
0fa91a0a	53	} client;
	54
	55	/*
	56	* States
	57	*/
	58
	59	#define CL_DEAD 0
	60	#define CL_STARTING 1
	61
	62	/*
	63	* Actions.
	64	*/
	65
	66	#define CL_ACCEPT 0
	67	#define CL_RECEIVE 1
	68	#define CL_SEND 2
	69
0311b667	70	extern char *krb_realm;
16904979	71
	72	/*
	73	* Debugging options.
	74	*/
	75
	76	extern int log_flags;
	77
	78	#define LOG_CONNECT 0x0001
	79	#define LOG_REQUESTS 0x0002
	80	#define LOG_ARGS 0x0004
	81	#define LOG_RESP 0x0008
	82	#define LOG_RES 0x0010
15516f43	83	#define LOG_VALID 0x0020
5264ec89	84	#define LOG_SQL 0x0040
5264ec89	85	#define LOG_GDSS 0x0080
16904979	86
90052a6f	87
90052a6f	88	/* max length of query argument allowed */
9608e722	89	#define ARGLEN 257
58e1747c	90	/* Used to setup static argv, maximum argc */
bf78bafe	91	#define QMAXARGS 22
7a2ebcdf	92
	93	/* statistics on number of queries by version number */
	94	extern int newqueries, oldqueries;
	95
fcd67f6a	96	/* Maximum and minimum values that will ever be chosen for IDs */
3c8eca90	97	#define MAX_ID_VALUE 31999
fcd67f6a	98	#define MIN_ID_VALUE 100
87f17989	99
	100	/* Sleepy states for the server! */
	101	#define AWAKE 0
	102	#define SLEEPY 1
	103	#define ASLEEP 2
	104	#define GROGGY 3
	105	extern int dormant;
	106
13f6b8bb	107	/* state for the incremental update system */
	108	extern int inc_running, inc_pid;
	109	extern time_t inc_started, now;
	110	#define INC_TIMEOUT (3 * 60) /* 3 minutes */
03c05291	111
	112
	113	#define SQL_NO_MATCH 1403 /* oracle, not ingres (= 100) */
	114
7ac48069	115	/* types needed for prototypes */
	116	struct query;
	117	struct validate;
	118	struct valobj;
	119
03c05291	120	/* prototypes from gdb */
	121	int gdb_init(void);
	122	int gdb_debug(int flag);
	123	void start_accepting_client(CONNECTION, OPERATION, CONNECTION *,
5eaef520	124	char , int , TUPLE *);
7ac48069	125	int initialize_operation(OPERATION, int (init_function)(OPERATION, HALF_CONNECTION, void ),
7ac48069	126	char , int (cancel_function)(HALF_CONNECTION, void *));
03c05291	127	int reset_operation(OPERATION);
	128	int delete_operation(OPERATION);
	129	int start_replying_to_client(OPERATION, CONNECTION, int, char , char );
	130	int op_select(LIST_OF_OPERATIONS, int, fd_set , fd_set , fd_set *,
	131	struct timeval *);
	132
03c05291	133	/* prototypes from increment.dc */
	134	void incremental_init(void);
	135	void next_incremental(void);
	136	void incremental_update(void);
	137	void incremental_flush(void);
	138
	139	/* prototypes from qrtn.dc */
	140	void dbmserr(void);
	141	void dosql(char *buffers[]);
	142	int mr_open_database(void);
	143	void mr_close_database(void);
	144	int mr_process_query(client cl, char name, int argc, char *argv_ro[],
7ac48069	145	int (action)(int, char [], void ), void actarg);
03c05291	146	int mr_check_access(client cl, char name, int argc, char *argv_ro[]);
	147	void sanity_check_queries(void);
	148	int set_krb_mapping(char name, char login, int ok, int kid, int uid);
f3c08a60	149	int find_member(char list_type, int list_id, client cl);
7ac48069	150	int do_for_all_rows(char *query, int count,
	151	int (action)(int, char [], void ), void actarg);
	152	void build_qual(char fmt, int argc, char argv[], char *qual);
03c05291	153
	154
	155	/* prototyoes from qsupport.dc */
	156	int set_pop_usage(int id, int cnt);
	157
	158	/* prototypes from qvalidate.dc */
	159	void sanity_check_database(void);
	160	int add_string(char *name);
	161	int convert_wildcards(char *arg);
	162
	163	/* prototypes from mr_main.c */
	164	void clist_delete(client *cp);
	165
	166	/* prototypes from mr_sauth.c */
	167	void do_auth(client *cl);
	168
	169	/* prototypes from mr_scall.c */
	170	void do_client(client *cp);
7ac48069	171	int trigger_dcm(struct query q, char argv[], client *cl);
03c05291	172
	173	/* prototypes from mr_shutdown.c */
	174	void sigshut(int);
	175	void do_shutdown(client *cl);
	176
	177	/* prototypes from mr_util.c */
	178	char requote(char buf, char *cp, int len);
	179	void log_args(char tag, int version, int argc, char *argv);
98a7b0ee	180	void mr_com_err(const char whoami, long code, const char fmt, va_list pvar);
03c05291	181	int mr_trim_args(int argc, char **argv);
03c05291	182	char mr_copy_args(char argv, int argc);
7ac48069	183
	184	/* prototypes from qaccess.pc */
	185	int access_user(struct query q, char argv[], client *cl);
	186	int access_login(struct query q, char argv[], client *cl);
	187	int access_list(struct query q, char argv[], client *cl);
	188	int access_visible_list(struct query q, char argv[], client *cl);
	189	int access_vis_list_by_name(struct query q, char argv[], client *cl);
	190	int access_member(struct query q, char argv[], client *cl);
	191	int access_qgli(struct query q, char argv[], client *cl);
	192	int access_service(struct query q, char argv[], client *cl);
	193	int access_filesys(struct query q, char argv[], client *cl);
	194	int access_host(struct query q, char argv[], client *cl);
	195	int access_ahal(struct query q, char argv[], client *cl);
	196	int access_snt(struct query q, char argv[], client *cl);
	197
	198	/* prototypes from qfollow.pc */
	199	int followup_fix_modby(struct query q, struct save_queue sq,
	200	struct validate v, int (action)(int, char *, void ),
	201	void actarg, client cl);
	202	int followup_gpob(struct query q, struct save_queue sq, struct validate *v,
	203	int (action)(int, char , void ), void *actarg,
	204	client *cl);
	205	int followup_glin(struct query q, struct save_queue sq, struct validate *v,
	206	int (action)(int, char , void ), void *actarg,
	207	client *cl);
	208	int followup_gzcl(struct query q, struct save_queue sq, struct validate *v,
	209	int (action)(int, char , void ), void *actarg,
	210	client *cl);
	211	int followup_gsha(struct query q, struct save_queue sq, struct validate *v,
	212	int (action)(int, char , void ), void *actarg,
	213	client *cl);
	214	int followup_gqot(struct query q, struct save_queue sq, struct validate *v,
	215	int (action)(int, char , void ), void *actarg,
	216	client *cl);
	217	int followup_gpce(struct query q, struct save_queue sq, struct validate *v,
	218	int (action)(int, char , void ), void *actarg,
	219	client *cl);
	220	int followup_guax(struct query q, struct save_queue sq, struct validate *v,
	221	int (action)(int, char , void ), void *actarg,
	222	client *cl);
	223	int followup_gsnt(struct query q, struct save_queue sq, struct validate *v,
	224	int (action)(int, char , void ), void *actarg,
	225	client *cl);
	226	int followup_ghst(struct query q, struct save_queue sq, struct validate *v,
	227	int (action)(int, char , void ), void *actarg,
	228	client *cl);
	229
	230	int followup_ausr(struct query q, char argv[], client *cl);
	231	int followup_aqot(struct query q, char argv[], client *cl);
	232	int followup_dqot(struct query q, char argv[], client *cl);
	233	int followup_uuac(struct query q, char argv[], client *cl);
	234
	235	int set_modtime(struct query q, char argv[], client *cl);
	236	int set_modtime_by_id(struct query q, char argv[], client *cl);
	237	int set_finger_modtime(struct query q, char argv[], client *cl);
	238	int set_pobox_modtime(struct query q, char argv[], client *cl);
	239	int set_uppercase_modtime(struct query q, char argv[], client *cl);
	240	int set_mach_modtime_by_id(struct query q, char argv[], client *cl);
	241	int set_cluster_modtime_by_id(struct query q, char argv[], client *cl);
	242	int set_serverhost_modtime(struct query q, char argv[], client *cl);
	243	int set_nfsphys_modtime(struct query q, char argv[], client *cl);
	244	int set_filesys_modtime(struct query q, char argv[], client *cl);
	245	int set_zephyr_modtime(struct query q, char argv[], client *cl);
	246	int _sdl_followup(struct query q, char argv[], client *cl);
247
248	/* prototypes from qsetup.pc */
249	int prefetch_value(struct query q, char argv[], client *cl);
250	int prefetch_filesys(struct query q, char argv[], client *cl);
251	int setup_ausr(struct query q, char argv[], client *cl);
252	int setup_dusr(struct query q, char argv[], client *cl);
253	int setup_spop(struct query q, char argv[], client *cl);
254	int setup_dpob(struct query q, char argv[], client *cl);
255	int setup_dmac(struct query q, char argv[], client *cl);
256	int setup_dclu(struct query q, char argv[], client *cl);
257	int setup_alis(struct query q, char argv[], client *cl);
258	int setup_dlis(struct query q, char argv[], client *cl);
259	int setup_dsin(struct query q, char argv[], client *cl);
260	int setup_dshi(struct query q, char argv[], client *cl);
261	int setup_afil(struct query q, char argv[], client *cl);
262	int setup_ufil(struct query q, char argv[], client *cl);
263	int setup_dfil(struct query q, char argv[], client *cl);
264	int setup_aftg(struct query q, char argv[], client *cl);
265	int setup_dnfp(struct query q, char argv[], client *cl);
266	int setup_dqot(struct query q, char argv[], client *cl);
267	int setup_akum(struct query q, char argv[], client *cl);
268	int setup_dsnt(struct query q, char argv[], client *cl);
269	int setup_ahst(struct query q, char argv[], client *cl);
270	int setup_ahal(struct query q, char argv[], client *cl);
271
272	/* prototypes from qsupport.pc */
273	int set_pobox(struct query q, char argv[], client *cl);
274	int add_member_to_list(struct query q, char argv[], client *cl);
275	int delete_member_from_list(struct query q, char argv[], client *cl);
276	int register_user(struct query q, char argv[], client *cl);
277
278	int get_list_info(struct query q, char argv, client cl,
279	int (action)(int, char [], void ), void actarg);
280	int get_ace_use(struct query q, char argv, client cl,
281	int (action)(int, char [], void ), void actarg);
282	int qualified_get_lists(struct query q, char argv, client cl,
283	int (action)(int, char [], void ), void actarg);
284	int get_members_of_list(struct query q, char argv, client cl,
285	int (action)(int, char [], void ), void actarg);
286	int get_end_members_of_list(struct query q, char argv, client cl,
287	int (action)(int, char [], void *),
288	void *actarg);
289	int qualified_get_server(struct query q, char argv, client cl,
290	int (action)(int, char [], void ), void actarg);
291	int qualified_get_serverhost(struct query q, char argv, client cl,
292	int (action)(int, char [], void *),
293	void *actarg);
294	int count_members_of_list(struct query q, char argv, client cl,
295	int (action)(int, char [], void ), void actarg);
296	int get_lists_of_member(struct query q, char argv, client cl,
297	int (action)(int, char [], void ), void actarg);
298
299	/* prototypes from qvalidate.pc */
300	/* from qvalidate.dc */
301	int validate_fields(struct query q, char argv[], struct valobj *vo, int n);
302	int validate_row(struct query q, char argv[], struct validate *v);