diff options
Diffstat (limited to 'server/zserver.h.auth')
| -rw-r--r-- | server/zserver.h.auth | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/server/zserver.h.auth b/server/zserver.h.auth deleted file mode 100644 index 41f6380..0000000 --- a/server/zserver.h.auth +++ /dev/null @@ -1,425 +0,0 @@ -#ifndef __ZSERVER_H__ -#define __ZSERVER_H__ -/* This file is part of the Project Athena Zephyr Notification System. - * It contains declarations for use in the server. - * - * Created by: John T. Kohl - * - * $Source$ - * $Author$ - * $Zephyr: /mit/zephyr/src/server/RCS/zserver.h,v 1.34 91/03/08 12:53:24 raeburn Exp $ - * - * Copyright (c) 1987,1988,1991 by the Massachusetts Institute of Technology. - * For copying and distribution information, see the file - * "mit-copyright.h". - */ - -#include <zephyr/mit-copyright.h> - -#include <zephyr/zephyr.h> /* which includes <errno.h>, - <sys/types.h>, - <netinet/in.h>, - <sys/time.h>, - <stdio.h>, - <krb.h> */ -#include <arpa/inet.h> -#include <zephyr/acl.h> -#include <sys/file.h> -#include <fcntl.h> - -#include <zephyr/zsyslog.h> - -#include <string.h> -#include <signal.h> -#ifdef lint -#include <sys/uio.h> /* so it shuts up about struct iovec */ -#endif /* lint */ -#ifdef _IBMR2 -#include <sys/select.h> -#endif -#include "zsrv_err.h" - -#include "timer.h" -#include "zsrv_conf.h" /* configuration params */ - -#include "zstring.h" -#include "access.h" -#include "unix.h" -#include "zalloc.h" - -/* definitions for the Zephyr server */ - -/* structures */ - -/* - * ZDestination: Where is this notice going to? This includes class, - * instance, and recipient at the moment. - */ - -typedef struct _ZDestination { - ZSTRING *classname; - ZSTRING *inst; - ZSTRING *recip; -} ZDestination; - -/* typedef struct _Notice { - ZNotice_t *notice; - struct _ZDestination dest; - ZSTRING *sender; - int msg_no; -} Notice; -*/ -typedef struct _ZSubscr_t { - struct _ZSubscr_t *q_forw; /* links in client's subscr. queue */ - struct _ZSubscr_t *q_back; - struct _ZDestination zst_dest; /* destination of messages */ -} ZSubscr_t; - -typedef struct _ZClient_t { - struct sockaddr_in zct_sin; /* ipaddr/port of client */ - struct _ZSubscr_t *zct_subs; /* subscriptions */ -#ifdef KERBEROS - C_Block zct_cblock; /* session key for this client */ -#endif /* KERBEROS */ - ZSTRING *zct_principal; /* krb principal of user */ - long last_msg; /* last message sent to this client */ - long last_check; /* actually, last time the other - server was asked to check... */ - int last_send; /* The send counter value for the - * last packet sent to the client, - * used to prevent duplicates. See - * sendit() in dispatch.c. */ -} ZClient_t; - -typedef struct _ZClientList_t { - struct _ZClientList_t *q_forw; - struct _ZClientList_t *q_back; - struct _ZClient_t *zclt_client; -} ZClientList_t; - -typedef struct _ZTriplet_t { - struct _ZTriplet_t *q_forw; - struct _ZTriplet_t *q_back; - ZDestination zct_dest; - ZAcl_t *zct_acl; - ZClientList_t *zct_clientlist; -} ZTriplet_t; - -typedef struct _ZHostList_t { - struct _ZHostList_t *q_forw; - struct _ZHostList_t *q_back; - ZClientList_t *zh_clients; - struct sockaddr_in zh_addr; /* IP addr/port of hostmanager */ - unsigned int zh_locked; /* 1 if this host is locked for - a braindump */ -} ZHostList_t; - -typedef enum _server_state { - SERV_UP, /* Server is up */ - SERV_TARDY, /* Server due for a hello */ - SERV_DEAD, /* Server is considered dead */ - SERV_STARTING /* Server is between dead and up */ -} server_state; - -typedef struct _ZNotAcked_t { - struct _ZNotAcked_t *q_forw; /* link to next */ - struct _ZNotAcked_t *q_back; /* link to prev */ - timer na_timer; /* timer for retransmit */ - long na_abstimo; /* absolute timeout to drop after */ - short na_rexmits; /* number of retransmits */ - short na_packsz; /* size of packet */ - caddr_t na_packet; /* ptr to packet */ - ZUnique_Id_t na_uid; /* uid of packet */ - union { /* address to send to */ - struct sockaddr_in na_sin; /* client address */ - int srv_idx; /* index of server */ - } dest; -#define na_addr dest.na_sin -#define na_srv_idx dest.srv_idx -} ZNotAcked_t; - -typedef struct _ZSrvPending_t { - struct _ZSrvPending_t *q_forw; /* link to next */ - struct _ZSrvPending_t *q_back; /* link to prev */ - caddr_t pend_packet; /* the notice (in pkt form) */ - short pend_len; /* len of pkt */ - unsigned int pend_auth; /* whether it is authentic */ - struct sockaddr_in pend_who; /* the addr of the sender */ -} ZSrvPending_t; - -typedef struct _ZServerDesc_t { - server_state zs_state; /* server's state */ - struct sockaddr_in zs_addr; /* server's address */ - long zs_timeout; /* Length of timeout in sec */ - timer zs_timer; /* timer struct for this server */ - struct _ZHostList_t *zs_hosts; /* pointer to list of info from this - server */ - struct _ZSrvPending_t *zs_update_queue; /* queue of packets to send - to this server when done dumping */ - short zs_numsent; /* number of hello's sent */ - unsigned int zs_dumping; /* 1 if dumping, so we should queue */ - char addr[16]; /* text version of address */ -} ZServerDesc_t; - -typedef enum ZSentType { - NOT_SENT, /* message was not xmitted */ - SENT, /* message was xmitted */ - AUTH_FAILED, /* authentication failed */ - NOT_FOUND /* user not found for uloc */ -} ZSentType; - -/* statistics gathering */ -typedef struct _ZStatistic_t { - int val; - char *str; -} ZStatistic; - -#ifdef __STDC__ -# define P(s) s -#else -# define P(s) () -#endif - -/* Function declarations */ - -/* found in bdump.c */ -extern void bdump_get P((ZNotice_t *notice, int auth, struct sockaddr_in *who, - ZServerDesc_t *server)); -extern void bdump_send P((void)); -extern void bdump_offer P((struct sockaddr_in *who)); -extern Code_t bdump_send_list_tcp P((ZNotice_Kind_t kind, int port, - char *class_name, char *inst, char *opcode, - char *sender, char *recip, - char **lyst, int num)); - -/* found in class.c */ -extern Code_t triplet_register P((ZClient_t *client, ZDestination *dest)); -extern Code_t triplet_deregister P((ZClient_t *client, ZDestination *dest)); -extern Code_t class_restrict P((char *z_class, ZAcl_t *acl)); -extern Code_t class_setup_restricted P((char *z_class, ZAcl_t *acl)); -extern ZClientList_t *triplet_lookup P((ZDestination *dest)); -extern ZAcl_t *class_get_acl P((ZSTRING *z_class)); -extern void class_free P((ZClientList_t *lyst)); -extern ZSTRING *class_control, *class_admin, *class_hm; -extern ZSTRING *class_ulogin, *class_ulocate; -extern void set_ZDestination_hash P((ZDestination *zd)); -extern int ZDest_eq P((ZDestination *zd1, ZDestination *zd2)); -extern int order_dest_strings P((ZDestination *zd1, ZDestination *zd2)); -extern void class_dump_subs P((register FILE *fp)); - -/* found in client.c */ -extern Code_t client_register P((ZNotice_t *notice, struct sockaddr_in *who, - register ZClient_t **client, - ZServerDesc_t *server, int wantdefaults)); -extern void client_deregister P((ZClient_t *client, ZHostList_t *host, - int flush)); -extern void client_dump_clients P((FILE *fp, ZClientList_t *clist)); -extern ZClient_t *client_which_client P((struct sockaddr_in *who, - ZNotice_t *notice)); - -/* found in common.c */ -extern char *strsave P((Zconst char *str)); -extern unsigned long hash P((Zconst char *)); -extern void subscr_quote P((char *p, FILE *fp)); - -/* found in dispatch.c */ -extern void handle_packet P((void)); -extern void clt_ack P((ZNotice_t *notice, struct sockaddr_in *who, - ZSentType sent)); -extern void nack_release P((ZClient_t *client)); -extern void sendit P((register ZNotice_t *notice, int auth, - struct sockaddr_in *who)); -extern void rexmit P((void *)); -extern void xmit P((register ZNotice_t *notice, struct sockaddr_in *dest, - int auth, ZClient_t *client)); -extern Code_t control_dispatch P((ZNotice_t *notice, int auth, - struct sockaddr_in *who, - ZServerDesc_t *server)); -extern Code_t xmit_frag P((ZNotice_t *notice, char *buf, int len, - int waitforack)); - -/* found in hostm.c */ -extern void hostm_flush P((ZHostList_t *host, ZServerDesc_t *server)); -extern void hostm_shutdown P((void)); -extern void hostm_losing P((ZClient_t *client, ZHostList_t *host)); -extern ZHostList_t *hostm_find_host P((struct in_addr *addr)); -extern ZServerDesc_t *hostm_find_server P((struct in_addr *addr)); -extern void hostm_transfer P((ZHostList_t *host, ZServerDesc_t *server)); -extern void hostm_deathgram P((struct sockaddr_in *sin, - ZServerDesc_t *server)); -extern void hostm_dump_hosts P((FILE *fp)); -extern Code_t hostm_dispatch P((ZNotice_t *notice, int auth, - struct sockaddr_in *who, ZServerDesc_t *server)); -extern void hostm_lose_ignore P((ZClient_t *client)); -extern void hostm_renumber_servers P((int *)); - -/* found in kstuff.c */ -#ifdef KERBEROS -extern int GetKerberosData P((int, struct in_addr, AUTH_DAT*, char*, char*)); -extern Code_t SendKerberosData P((int, KTEXT, char*, char*)); -#endif -void sweep_ticket_hash_table P((void *)); - -/* found in server.c */ -extern void server_timo P((void *which)); -extern void server_recover P((ZClient_t *client)), - server_dump_servers P((FILE *fp)); -extern void server_init P((void)), - server_shutdown P((void)); -extern void server_forward P((ZNotice_t *notice, int auth, - struct sockaddr_in *who)); -extern void server_kill_clt P((ZClient_t *client)); -extern void server_pending_free P((register ZSrvPending_t *pending)); -extern void server_self_queue P((ZNotice_t*, int, struct sockaddr_in *)), - server_send_queue P((ZServerDesc_t *)), - server_reset P((void)); -extern int is_server(); -extern ZServerDesc_t *server_which_server P((struct sockaddr_in *who)); -extern ZSrvPending_t *server_dequeue P((register ZServerDesc_t *server)); -extern Code_t server_dispatch P((ZNotice_t *notice, int auth, - struct sockaddr_in *who)); -extern Code_t server_adispatch P((ZNotice_t *notice, int auth, - struct sockaddr_in *who, - ZServerDesc_t *server)); - - -/* found in subscr.c */ -extern Code_t subscr_cancel P((struct sockaddr_in *sin, ZNotice_t *notice)); -extern Code_t subscr_subscribe P((ZClient_t *who, ZNotice_t *notice)), - subscr_send_subs P((ZClient_t *client, char *vers));; -extern void subscr_free_list P((ZClientList_t *list)), - subscr_cancel_client P((register ZClient_t *client)), - subscr_sendlist P((ZNotice_t *notice, int auth, struct sockaddr_in *who)); -extern void subscr_dump_subs P((FILE *fp, ZSubscr_t *subs)), - subscr_reset P((void)); -extern int compare_subs P((ZSubscr_t *s1, ZSubscr_t *s2, int do_wildcard)); -extern Code_t subscr_def_subs P((ZClient_t *who)); - -/* found in uloc.c */ -extern void uloc_hflush P((struct in_addr *addr)), - uloc_flush_client P((struct sockaddr_in *sin)), - uloc_dump_locs P((register FILE *fp)); -extern Code_t ulogin_dispatch P((ZNotice_t *notice, int auth, - struct sockaddr_in *who, ZServerDesc_t *server)), - ulocate_dispatch P((ZNotice_t *notice, int auth, struct sockaddr_in *who, - ZServerDesc_t *server)), - uloc_send_locations P((ZHostList_t *host, char *vers)); - -/* found in version.c */ -extern char *get_version P((void)); - -#undef P - - -/* global identifiers */ - -/* found in main.c */ -extern struct sockaddr_in sock_sin; /* socket descriptors */ -extern u_short hm_port; /* port # of hostmanagers */ -extern int srv_socket; /* dgram sockets for clients - and other servers */ -extern int bdump_socket; /* brain dump socket - (closed most of the time) */ - -extern fd_set interesting; /* the file descrips we are listening - to right now */ -extern int nfildes; /* number to look at in select() */ -extern int zdebug; -extern char myname[]; /* domain name of this host */ -extern ZNotAcked_t *nacklist; /* list of not ack'ed packets */ -extern Zconst char version[]; -extern u_long npackets; /* num of packets processed */ -extern long uptime; /* time we started */ -extern struct in_addr my_addr; - -/* found in bdump.c */ -extern int bdumping; /* are we dumping right now? */ - -/* found in dispatch.c */ -extern ZStatistic i_s_ctls, i_s_logins, i_s_admins, i_s_locates; -extern int num_rexmits; -extern long rexmit_secs, abs_timo; - -/* found in server.c */ -extern ZServerDesc_t *otherservers; /* array of servers */ -extern int me_server_idx; /* me (in the array of servers) */ -extern int nservers; /* number of other servers*/ - -/* found in subscr.c */ -extern ZSTRING *empty; -extern ZSTRING *wildcard_instance; - -extern struct in_addr my_addr; /* my inet address */ - -#define class_is_control(classname) (classname == class_control) -#define class_is_admin(classname) (classname == class_admin) -#define class_is_hm(classname) (classname == class_hm) -#define class_is_ulogin(classname) (classname == class_ulogin) -#define class_is_ulocate(classname) (classname == class_ulocate) - -#define ADMIN_HELLO "HELLO" /* Opcode: hello, are you there */ -#define ADMIN_IMHERE "IHEARDYOU" /* Opcode: yes, I am here */ -#define ADMIN_SHUTDOWN "GOODBYE" /* Opcode: I am shutting down */ -#define ADMIN_BDUMP "DUMP_AVAIL" /* Opcode: I will give you a dump */ -#define ADMIN_DONE "DUMP_DONE" /* Opcode: brain dump for this server - is complete */ -#define ADMIN_NEWCLT "NEXT_CLIENT" /* Opcode: this is a new client */ -#define ADMIN_LOST_CLT "LOST_CLIENT" /* Opcode: client not ack'ing */ -#define ADMIN_KILL_CLT "KILL_CLIENT" /* Opcode: client is dead, remove */ -#define ADMIN_STATUS "STATUS" /* Opcode: please send status */ - -#define ADMIN_LIMBO "LIMBO" /* Class inst: please send limbo info*/ -#define ADMIN_YOU "YOUR_STATE" /* Class inst: please send your state*/ -#define ADMIN_ME "MY_STATE" /* Class inst: please send my info */ - -#define NULLZT ((ZTriplet_t *) 0) -#define NULLZCNT ((ZClient_t *) 0) -#define NULLZCLT ((ZClientList_t *) 0) -#define NULLZST ((ZSubscr_t *) 0) -#define NULLZHLT ((ZHostList_t *) 0) -#define NULLZNAT ((ZNotAcked_t *) 0) -#define NULLZACLT ((ZAcl_t *) 0) -#define NULLZPT ((ZPacket_t *) 0) -#define NULLZSDT ((ZServerDesc_t *) 0) -#define NULLZSPT ((ZSrvPending_t *) 0) - -/* me_server_idx is the index into otherservers of this server descriptor. */ -/* the 'limbo' server is always the first server */ - -#define me_server (&otherservers[me_server_idx]) -#define limbo_server_idx() (0) -#define limbo_server (&otherservers[limbo_server_idx()]) - -#define msgs_queued() (ZQLength() || otherservers[me_server_idx].zs_update_queue) - -#define ack(a,b) clt_ack(a,b,SENT) -#define nack(a,b) clt_ack(a,b,NOT_SENT) - -#define max(a,b) ((a) > (b) ? (a) : (b)) - -#define START_CRITICAL_CODE -#define END_CRITICAL_CODE - -/* the instance that matches all instances */ -#define WILDCARD_INSTANCE "*" - -/* SERVER_SRVTAB is defined in zephyr.h */ -#define ZEPHYR_SRVTAB SERVER_SRVTAB - -#ifdef KERBEROS -#ifndef NOENCRYPTION -/* Kerberos shouldn't stick us with array types... */ -typedef struct { - des_key_schedule s; -} Sched; -#endif -#endif - -/* debugging macros */ -#ifdef DEBUG -#define zdbug(s1) if (zdebug) syslog s1; -#else /* !DEBUG */ -#define zdbug(s1) -#endif /* DEBUG */ - -#endif /* !__ZSERVER_H__ */ |