[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_private.h>
#include <moira_site.h>
#include <moira_schema.h>

#include <netinet/in.h>

#include <stdarg.h>

#include <krb.h>

enum clstate { CL_ACCEPTING, CL_ACTIVE, CL_CLOSING };

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

typedef struct _client {
  int con;			/* Connection to the client */
  int id;			/* Unique id of client */
  struct sockaddr_in haddr; 	/* IP address of client */
  enum clstate state;		/* State of the connection */
  char clname[MAX_K_NAME_SZ];	/* Name client authenticated to */
  char entity[USERS_MODWITH_SIZE]; /* client program being used */
  int users_id;			/* Moira-internal ID of authenticated user */
  int client_id;		/* Moira-internal ID of client */
  int proxy_id;			/* client_id of orig user, if proxied */
  int version;			/* Max query version known by client */
  time_t last_time_used;	/* Last time connection used */
  mr_params req;		/* Current request */
  mr_params *tuples;		/* Tuples waiting to send back to client */
  int ntuples;			/* Number of tuples waiting */
  int tuplessize;		/* Current size of tuple array */
  int nexttuple;		/* Next tuple to return */
  char *hsbuf;			/* Buffer for initial connection handshaking */
  int hslen;			/* Length of data in hsbuf */
} client;

extern char krb_realm[REALM_SZ];

/* 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;

/* Maximum and minimum values that will be used for uids and gids */
#define MAX_ID_VALUE	65535
#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 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);
char *build_qual(char *fmt, int argc, char *argv[]);


/* 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);
void do_proxy(client *cl);

/* prototypes from mr_scall.c */
void do_client(client *cl);
void client_reply(client *cl, long status);
void client_return_tuple(client *cl, int argc, char **argv);
void client_read(client *cl);
void client_write(client *cl);

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

/* prototypes from mr_util.c */
char *requote(char *buf);
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);
void *xmalloc(size_t);
void *xrealloc(void *, size_t);
char *xstrdup(char *);

/* 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_spob(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);
int access_printer(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_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_gpsv(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 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);
int trigger_dcm(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_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_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);
int setup_uhha(struct query *q, char *argv[], client *cl);
int setup_aprn(struct query *q, char *argv[], client *cl);
int setup_dpsv(struct query *q, char *argv[], client *cl);

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

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 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);
int get_user_reservations(struct query *q, char **argv, client *cl,
			  int (*action)(int, char *[], void *), void *actarg);
int get_user_by_reservation(struct query *q, char **argv, client *cl,
			    int (*action)(int, char *[], void *),
			    void *actarg);

/* prototypes from qvalidate.pc */
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>
85330553	9	#include <mr_private.h>
d548a4e7	10	#include <moira_site.h>
e688520a	11	#include <moira_schema.h>
7ac48069	12
	13	#include <netinet/in.h>
	14
98a7b0ee	15	#include <stdarg.h>
5dbd09a0	16
7ac48069	17	#include <krb.h>
7ac48069	18
8691463b	19	enum clstate { CL_ACCEPTING, CL_ACTIVE, CL_CLOSING };
8691463b	20
0311b667	21	/*
	22	* This structure holds all per-client information; one of these is
	23	* allocated for each active client.
	24	*/
5d354f89	25
0fa91a0a	26	typedef struct _client {
85330553	27	int con; /* Connection to the client */
5eaef520	28	int id; /* Unique id of client */
5eaef520	29	struct sockaddr_in haddr; /* IP address of client */
8691463b	30	enum clstate state; /* State of the connection */
5eaef520	31	char clname[MAX_K_NAME_SZ]; /* Name client authenticated to */
ed00e35e	32	char entity[USERS_MODWITH_SIZE]; /* client program being used */
59ec8dae	33	int users_id; /* Moira-internal ID of authenticated user */
85330553	34	int client_id; /* Moira-internal ID of client */
ed00e35e	35	int proxy_id; /* client_id of orig user, if proxied */
c44ddfa7	36	int version; /* Max query version known by client */
5eaef520	37	time_t last_time_used; /* Last time connection used */
8691463b	38	mr_params req; /* Current request */
85330553	39	mr_params tuples; / Tuples waiting to send back to client */
	40	int ntuples; /* Number of tuples waiting */
	41	int tuplessize; /* Current size of tuple array */
	42	int nexttuple; /* Next tuple to return */
8691463b	43	char hsbuf; / Buffer for initial connection handshaking */
8691463b	44	int hslen; /* Length of data in hsbuf */
0fa91a0a	45	} client;
0fa91a0a	46
85330553	47	extern char krb_realm[REALM_SZ];
90052a6f	48
90052a6f	49	/* max length of query argument allowed */
9608e722	50	#define ARGLEN 257
58e1747c	51	/* Used to setup static argv, maximum argc */
bf78bafe	52	#define QMAXARGS 22
7a2ebcdf	53
7a2ebcdf	54	/* statistics on number of queries by version number */
85330553	55	extern int newqueries;
7a2ebcdf	56
edba5c0f	57	/* Maximum and minimum values that will be used for uids and gids */
edba5c0f	58	#define MAX_ID_VALUE 65535
fcd67f6a	59	#define MIN_ID_VALUE 100
87f17989	60
	61	/* Sleepy states for the server! */
	62	#define AWAKE 0
	63	#define SLEEPY 1
	64	#define ASLEEP 2
	65	#define GROGGY 3
	66	extern int dormant;
	67
13f6b8bb	68	/* state for the incremental update system */
	69	extern int inc_running, inc_pid;
	70	extern time_t inc_started, now;
	71	#define INC_TIMEOUT (3 * 60) /* 3 minutes */
03c05291	72
	73
	74	#define SQL_NO_MATCH 1403 /* oracle, not ingres (= 100) */
	75
7ac48069	76	/* types needed for prototypes */
	77	struct query;
	78	struct validate;
	79	struct valobj;
	80
03c05291	81	/* prototypes from increment.dc */
	82	void incremental_init(void);
	83	void next_incremental(void);
	84	void incremental_update(void);
	85	void incremental_flush(void);
	86
	87	/* prototypes from qrtn.dc */
	88	void dbmserr(void);
	89	void dosql(char *buffers[]);
	90	int mr_open_database(void);
	91	void mr_close_database(void);
	92	int mr_process_query(client cl, char name, int argc, char *argv_ro[],
7ac48069	93	int (action)(int, char [], void ), void actarg);
03c05291	94	int mr_check_access(client cl, char name, int argc, char *argv_ro[]);
	95	void sanity_check_queries(void);
	96	int set_krb_mapping(char name, char login, int ok, int kid, int uid);
f3c08a60	97	int find_member(char list_type, int list_id, client cl);
7ac48069	98	int do_for_all_rows(char *query, int count,
7ac48069	99	int (action)(int, char [], void ), void actarg);
263a36d4	100	char build_qual(char fmt, int argc, char *argv[]);
03c05291	101
	102
	103	/* prototyoes from qsupport.dc */
	104	int set_pop_usage(int id, int cnt);
	105
	106	/* prototypes from qvalidate.dc */
	107	void sanity_check_database(void);
	108	int add_string(char *name);
	109	int convert_wildcards(char *arg);
	110
	111	/* prototypes from mr_main.c */
	112	void clist_delete(client *cp);
	113
	114	/* prototypes from mr_sauth.c */
8691463b	115	void do_auth(client *cl);
ed00e35e	116	void do_proxy(client *cl);
03c05291	117
03c05291	118	/* prototypes from mr_scall.c */
85330553	119	void do_client(client *cl);
	120	void client_reply(client *cl, long status);
	121	void client_return_tuple(client cl, int argc, char *argv);
	122	void client_read(client *cl);
	123	void client_write(client *cl);
03c05291	124
	125	/* prototypes from mr_shutdown.c */
	126	void sigshut(int);
	127	void do_shutdown(client *cl);
	128
	129	/* prototypes from mr_util.c */
e688520a	130	char requote(char buf);
03c05291	131	void log_args(char tag, int version, int argc, char *argv);
98a7b0ee	132	void mr_com_err(const char whoami, long code, const char fmt, va_list pvar);
03c05291	133	int mr_trim_args(int argc, char **argv);
03c05291	134	char mr_copy_args(char argv, int argc);
85330553	135	void *xmalloc(size_t);
85330553	136	void xrealloc(void , size_t);
e688520a	137	char xstrdup(char );
7ac48069	138
	139	/* prototypes from qaccess.pc */
	140	int access_user(struct query q, char argv[], client *cl);
	141	int access_login(struct query q, char argv[], client *cl);
f659afb2	142	int access_spob(struct query q, char argv[], client *cl);
7ac48069	143	int access_list(struct query q, char argv[], client *cl);
	144	int access_visible_list(struct query q, char argv[], client *cl);
	145	int access_vis_list_by_name(struct query q, char argv[], client *cl);
	146	int access_member(struct query q, char argv[], client *cl);
	147	int access_qgli(struct query q, char argv[], client *cl);
	148	int access_service(struct query q, char argv[], client *cl);
	149	int access_filesys(struct query q, char argv[], client *cl);
	150	int access_host(struct query q, char argv[], client *cl);
	151	int access_ahal(struct query q, char argv[], client *cl);
	152	int access_snt(struct query q, char argv[], client *cl);
1a9a0a59	153	int access_printer(struct query q, char argv[], client *cl);
7ac48069	154
	155	/* prototypes from qfollow.pc */
	156	int followup_fix_modby(struct query q, struct save_queue sq,
	157	struct validate v, int (action)(int, char *, void ),
	158	void actarg, client cl);
	159	int followup_gpob(struct query q, struct save_queue sq, struct validate *v,
	160	int (action)(int, char , void ), void *actarg,
	161	client *cl);
	162	int followup_glin(struct query q, struct save_queue sq, struct validate *v,
	163	int (action)(int, char , void ), void *actarg,
	164	client *cl);
	165	int followup_gzcl(struct query q, struct save_queue sq, struct validate *v,
	166	int (action)(int, char , void ), void *actarg,
	167	client *cl);
	168	int followup_gsha(struct query q, struct save_queue sq, struct validate *v,
	169	int (action)(int, char , void ), void *actarg,
	170	client *cl);
	171	int followup_gqot(struct query q, struct save_queue sq, struct validate *v,
	172	int (action)(int, char , void ), void *actarg,
	173	client *cl);
7ac48069	174	int followup_guax(struct query q, struct save_queue sq, struct validate *v,
	175	int (action)(int, char , void ), void *actarg,
	176	client *cl);
	177	int followup_gsnt(struct query q, struct save_queue sq, struct validate *v,
	178	int (action)(int, char , void ), void *actarg,
	179	client *cl);
	180	int followup_ghst(struct query q, struct save_queue sq, struct validate *v,
	181	int (action)(int, char , void ), void *actarg,
	182	client *cl);
1a9a0a59	183	int followup_gpsv(struct query q, struct save_queue sq, struct validate *v,
	184	int (action)(int, char , void ), void *actarg,
	185	client *cl);
7ac48069	186
	187	int followup_ausr(struct query q, char argv[], client *cl);
	188	int followup_aqot(struct query q, char argv[], client *cl);
	189	int followup_dqot(struct query q, char argv[], client *cl);
7ac48069	190
	191	int set_modtime(struct query q, char argv[], client *cl);
	192	int set_modtime_by_id(struct query q, char argv[], client *cl);
	193	int set_finger_modtime(struct query q, char argv[], client *cl);
	194	int set_pobox_modtime(struct query q, char argv[], client *cl);
	195	int set_uppercase_modtime(struct query q, char argv[], client *cl);
	196	int set_mach_modtime_by_id(struct query q, char argv[], client *cl);
	197	int set_cluster_modtime_by_id(struct query q, char argv[], client *cl);
	198	int set_serverhost_modtime(struct query q, char argv[], client *cl);
	199	int set_nfsphys_modtime(struct query q, char argv[], client *cl);
	200	int set_filesys_modtime(struct query q, char argv[], client *cl);
	201	int set_zephyr_modtime(struct query q, char argv[], client *cl);
	202	int _sdl_followup(struct query q, char argv[], client *cl);
85330553	203	int trigger_dcm(struct query q, char argv[], client *cl);
7ac48069	204
	205	/* prototypes from qsetup.pc */
	206	int prefetch_value(struct query q, char argv[], client *cl);
	207	int prefetch_filesys(struct query q, char argv[], client *cl);
	208	int setup_ausr(struct query q, char argv[], client *cl);
	209	int setup_dusr(struct query q, char argv[], client *cl);
7ac48069	210	int setup_dpob(struct query q, char argv[], client *cl);
	211	int setup_dmac(struct query q, char argv[], client *cl);
	212	int setup_dclu(struct query q, char argv[], client *cl);
	213	int setup_alis(struct query q, char argv[], client *cl);
	214	int setup_dlis(struct query q, char argv[], client *cl);
	215	int setup_dsin(struct query q, char argv[], client *cl);
	216	int setup_dshi(struct query q, char argv[], client *cl);
	217	int setup_afil(struct query q, char argv[], client *cl);
	218	int setup_ufil(struct query q, char argv[], client *cl);
	219	int setup_dfil(struct query q, char argv[], client *cl);
	220	int setup_aftg(struct query q, char argv[], client *cl);
	221	int setup_dnfp(struct query q, char argv[], client *cl);
	222	int setup_dqot(struct query q, char argv[], client *cl);
7ac48069	223	int setup_dsnt(struct query q, char argv[], client *cl);
	224	int setup_ahst(struct query q, char argv[], client *cl);
	225	int setup_ahal(struct query q, char argv[], client *cl);
2884200f	226	int setup_uhha(struct query q, char argv[], client *cl);
2884200f	227	int setup_aprn(struct query q, char argv[], client *cl);
1a9a0a59	228	int setup_dpsv(struct query q, char argv[], client *cl);
7ac48069	229
	230	/* prototypes from qsupport.pc */
	231	int set_pobox(struct query q, char argv[], client *cl);
17cb3de8	232	int set_pobox_pop(struct query q, char argv[], client *cl);
7ac48069	233	int add_member_to_list(struct query q, char argv[], client *cl);
	234	int delete_member_from_list(struct query q, char argv[], client *cl);
	235	int register_user(struct query q, char argv[], client *cl);
77eb4bdf	236	int do_user_reservation(struct query q, char argv[], client *cl);
7ac48069	237
7ac48069	238	int get_ace_use(struct query q, char argv, client cl,
	239	int (action)(int, char [], void ), void actarg);
	240	int qualified_get_lists(struct query q, char argv, client cl,
	241	int (action)(int, char [], void ), void actarg);
	242	int get_members_of_list(struct query q, char argv, client cl,
	243	int (action)(int, char [], void ), void actarg);
7ac48069	244	int qualified_get_server(struct query q, char argv, client cl,
	245	int (action)(int, char [], void ), void actarg);
	246	int qualified_get_serverhost(struct query q, char argv, client cl,
	247	int (action)(int, char [], void *),
	248	void *actarg);
	249	int count_members_of_list(struct query q, char argv, client cl,
	250	int (action)(int, char [], void ), void actarg);
	251	int get_lists_of_member(struct query q, char argv, client cl,
	252	int (action)(int, char [], void ), void actarg);
77eb4bdf	253	int get_user_reservations(struct query q, char argv, client cl,
	254	int (action)(int, char [], void ), void actarg);
	255	int get_user_by_reservation(struct query q, char argv, client cl,
	256	int (action)(int, char [], void *),
	257	void *actarg);
7ac48069	258
7ac48069	259	/* prototypes from qvalidate.pc */
7ac48069	260	int validate_fields(struct query q, char argv[], struct valobj *vo, int n);
7ac48069	261	int validate_row(struct query q, char argv[], struct validate *v);