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/*
* xdm - display manager daemon
*
* $XConsortium: dm.h,v 1.47 91/07/16 22:19:43 gildea Exp $
*
* Copyright 1988 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. M.I.T. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* Author: Keith Packard, MIT X Consortium
*/
/*
* dm.h
*
* public interfaces for greet/verify functionality
*/
# include <X11/Xos.h>
# include <X11/Xfuncs.h>
# include <X11/Xmd.h>
# include <X11/Xauth.h>
/* If XDMCP symbol defined, compile to run XDMCP protocol */
#define XDMCP
#ifdef XDMCP
# include <X11/Xdmcp.h>
#endif
#ifndef X_NOT_POSIX
#ifdef _POSIX_SOURCE
# include <limits.h>
#else
#define _POSIX_SOURCE
# include <limits.h>
#undef _POSIX_SOURCE
#endif
#endif
#ifndef NGROUPS_MAX
# include <sys/param.h>
#ifdef NGROUPS
#define NGROUPS_MAX NGROUPS
#endif
#endif
#ifdef pegasus
#undef dirty /* Some bozo put a macro called dirty in sys/param.h */
#endif /* pegasus */
#ifndef X_NOT_POSIX
#ifdef _POSIX_SOURCE
#include <sys/wait.h>
#else
#define _POSIX_SOURCE
#include <sys/wait.h>
#undef _POSIX_SOURCE
#endif
# define waitCode(w) (WIFEXITED(w) ? WEXITSTATUS(w) : 0)
# define waitSig(w) (WIFSIGNALED(w) ? WTERMSIG(w) : 0)
# define waitCore(w) 0 /* not in POSIX. so what? */
typedef int waitType;
#else /* X_NOT_POSIX */
#ifdef SYSV
# define waitCode(w) (((w) >> 8) & 0x7f)
# define waitSig(w) ((w) & 0xff)
# define waitCore(w) (((w) >> 15) & 0x01)
typedef int waitType;
#else /* SYSV */
# include <sys/wait.h>
# define waitCode(w) ((w).w_T.w_Retcode)
# define waitSig(w) ((w).w_T.w_Termsig)
# define waitCore(w) ((w).w_T.w_Coredump)
typedef union wait waitType;
#endif
#endif /* X_NOT_POSIX */
# define waitCompose(sig,core,code) ((sig) * 256 + (core) * 128 + (code))
# define waitVal(w) waitCompose(waitSig(w), waitCore(w), waitCode(w))
typedef enum displayStatus { running, notRunning, zombie, phoenix } DisplayStatus;
#ifndef FD_ZERO
typedef struct my_fd_set { int fds_bits[1]; } my_fd_set;
# define FD_ZERO(fdp) bzero ((fdp), sizeof (*(fdp)))
# define FD_SET(f,fdp) ((fdp)->fds_bits[(f) / (sizeof (int) * 8)] |= (1 << ((f) % (sizeof (int) * 8))))
# define FD_CLR(f,fdp) ((fdp)->fds_bits[(f) / (sizeof (int) * 8)] &= ~(1 << ((f) % (sizeof (int) * 8))))
# define FD_ISSET(f,fdp) ((fdp)->fds_bits[(f) / (sizeof (int) * 8)] & (1 << ((f) % (sizeof (int) * 8))))
# define FD_TYPE my_fd_set
#else
# define FD_TYPE fd_set
#endif
/*
* local - server runs on local host
* foreign - server runs on remote host
* permanent - session restarted when it exits
* transient - session not restarted when it exits
* fromFile - started via entry in servers file
* fromXDMCP - started with XDMCP
*/
typedef struct displayType {
unsigned int location:1;
unsigned int lifetime:1;
unsigned int origin:1;
} DisplayType;
# define Local 1
# define Foreign 0
# define Permanent 1
# define Transient 0
# define FromFile 1
# define FromXDMCP 0
extern DisplayType parseDisplayType ();
typedef enum fileState { NewEntry, OldEntry, MissingEntry } FileState;
struct display {
struct display *next;
/* Xservers file / XDMCP information */
char *name; /* DISPLAY name */
char *class; /* display class (may be NULL) */
DisplayType displayType; /* method to handle with */
char **argv; /* program name and arguments */
/* display state */
DisplayStatus status; /* current status */
int pid; /* process id of child */
int serverPid; /* process id of server (-1 if none) */
FileState state; /* state during HUP processing */
int startTries; /* current start try */
#ifdef XDMCP
/* XDMCP state */
CARD32 sessionID; /* ID of active session */
XdmcpNetaddr peer; /* display peer address */
int peerlen; /* length of peer address */
XdmcpNetaddr from; /* XDMCP port of display */
int fromlen;
CARD16 displayNumber;
int useChooser; /* Run the chooser for this display */
ARRAY8 clientAddr; /* for chooser picking */
CARD16 connectionType; /* ... */
#endif
/* server management resources */
int serverAttempts; /* number of attempts at running X */
int openDelay; /* open delay time */
int openRepeat; /* open attempts to make */
int openTimeout; /* abort open attempt timeout */
int startAttempts; /* number of attempts at starting */
int pingInterval; /* interval between XSync */
int pingTimeout; /* timeout for XSync */
int terminateServer;/* restart for each session */
int grabServer; /* keep server grabbed for Login */
int grabTimeout; /* time to wait for grab */
int resetSignal; /* signal to reset server */
int termSignal; /* signal to terminate server */
int resetForAuth; /* server reads auth file at reset */
/* session resources */
char *resources; /* resource file */
char *xrdb; /* xrdb program */
char *setup; /* Xsetup program */
char *startup; /* Xstartup program */
char *reset; /* Xreset program */
char *session; /* Xsession program */
char *userPath; /* path set for session */
char *systemPath; /* path set for startup/reset */
char *systemShell; /* interpreter for startup/reset */
char *failsafeClient;/* a client to start when the session fails */
char *chooser; /* chooser program */
/* authorization resources */
int authorize; /* enable authorization */
char **authNames; /* authorization protocol names */
unsigned short *authNameLens; /* authorization protocol name lens */
char *clientAuthFile;/* client specified auth file */
char *userAuthDir; /* backup directory for tickets */
int authComplain; /* complain when no auth for XDMCP */
/* information potentially derived from resources */
int authNameNum; /* number of protocol names */
Xauth **authorizations;/* authorization data */
int authNum; /* number of authorizations */
char *authFile; /* file to store authorization in */
};
#ifdef XDMCP
#define PROTO_TIMEOUT (30 * 60) /* 30 minutes should be long enough */
struct protoDisplay {
struct protoDisplay *next;
XdmcpNetaddr address; /* UDP address */
int addrlen; /* UDP address length */
unsigned long date; /* creation date */
CARD16 displayNumber;
CARD16 connectionType;
ARRAY8 connectionAddress;
CARD32 sessionID;
Xauth *fileAuthorization;
Xauth *xdmcpAuthorization;
ARRAY8 authenticationName;
ARRAY8 authenticationData;
XdmAuthKeyRec key;
};
#endif /* XDMCP */
struct greet_info {
char *name; /* user name */
char *password; /* user password */
char *string; /* random string */
};
/* setgroups is not covered by POSIX, arg type varies */
#if defined(SYSV) || defined(SVR4)
#define GID_T gid_t
#else
#define GID_T int
#endif
struct verify_info {
int uid; /* user id */
#ifdef NGROUPS_MAX
GID_T groups[NGROUPS_MAX];/* group list */
int ngroups; /* number of elements in groups */
#else
int gid; /* group id */
#endif
char **argv; /* arguments to session */
char **userEnviron; /* environment for session */
char **systemEnviron;/* environment for startup/reset */
};
/* display manager exit status definitions */
# define OBEYSESS_DISPLAY 0 /* obey multipleSessions resource */
# define REMANAGE_DISPLAY 1 /* force remanage */
# define UNMANAGE_DISPLAY 2 /* force deletion */
# define RESERVER_DISPLAY 3 /* force server termination */
# define OPENFAILED_DISPLAY 4 /* XOpenDisplay failed, retry */
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
extern char *config;
extern char *servers;
extern int request_port;
extern int debugLevel;
extern char *errorLogFile;
extern int daemonMode;
extern char *pidFile;
extern int lockPidFile;
extern char *authDir;
extern int autoRescan;
extern int removeDomainname;
extern char *keyFile;
extern char *accessFile;
extern char **exportList;
extern char *randomFile;
extern struct display *FindDisplayByName (),
*FindDisplayBySessionID (),
*FindDisplayByAddress (),
*FindDisplayByPid (),
*FindDisplayByServerPid (),
*NewDisplay ();
extern struct protoDisplay *FindProtoDisplay (),
*NewProtoDisplay ();
extern char *localHostname ();
/*
* CloseOnFork flags
*/
# define CLOSE_ALWAYS 0
# define LEAVE_FOR_DISPLAY 1
#ifndef X_NOT_STDC_ENV
#include <stdlib.h>
#else
char *malloc(), *realloc();
#endif
#if defined(macII) && !defined(__STDC__) /* stdlib.h fails to define these */
char *malloc(), *realloc();
#endif /* macII */
#if defined(X_NOT_POSIX) && defined(SIGNALRETURNSINT)
#define SIGVAL int
#else
#define SIGVAL void
#endif
#ifdef X_NOT_POSIX
#ifdef SYSV
#define SIGNALS_RESET_WHEN_CAUGHT
#define UNRELIABLE_SIGNALS
#endif
#endif
SIGVAL (*Signal())();
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