/* $XFree86: xc/programs/xdm/dm.h,v 3.12 1996/12/09 11:57:14 dawes Exp $ */ /* $XConsortium: dm.h,v 1.66 95/07/10 21:18:07 gildea Exp $ */ /* Copyright (c) 1988 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of the X Consortium shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the X Consortium. */ /* * xdm - display manager daemon * Author: Keith Packard, MIT X Consortium * * dm.h * * public interfaces for greet/verify functionality */ #ifdef MINIX #ifdef MNX_TCPCONN #define TCPCONN #endif #endif /* MINIX */ #include #include #include #include #include #if defined(X_POSIX_C_SOURCE) #define _POSIX_C_SOURCE X_POSIX_C_SOURCE #include #include #undef _POSIX_C_SOURCE #else #if defined(X_NOT_POSIX) || defined(_POSIX_SOURCE) #include #include #else #define _POSIX_SOURCE #include #include #undef _POSIX_SOURCE #endif #endif /* If XDMCP symbol defined, compile to run XDMCP protocol */ #define XDMCP #ifdef XDMCP #include #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 #else #define _POSIX_SOURCE #ifdef SCO325 #include #include #endif #include #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 # 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 */ char *keymaps; /* binary compat with DEC */ char *greeterLib; /* greeter shared library name */ /* 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 */ int version; /* to keep dynamic greeter clued in */ /* add new fields only after here. And preferably at the end. */ }; #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 */ char *passwd; /* binary compat with DEC */ int version; /* for dynamic greeter to see */ /* add new fields below this line, and preferably at the end */ Boolean allow_null_passwd; /* allow null password on login */ }; /* setgroups is not covered by POSIX, arg type varies */ #if defined(SYSV) || defined(SVR4) || defined(__osf__) || defined(linux) #define GID_T gid_t #else #define GID_T int #endif struct verify_info { int uid; /* user id */ int gid; /* group id */ char **argv; /* arguments to session */ char **userEnviron; /* environment for session */ char **systemEnviron;/* environment for startup/reset */ int version; /* for dynamic greeter to see */ /* add new fields below this line, and preferably at the end */ }; /* 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 char *greeterLib; extern int choiceTimeout; /* chooser choice timeout */ extern struct display *FindDisplayByName (), *FindDisplayBySessionID (), *FindDisplayByAddress (), *FindDisplayByPid (), *FindDisplayByServerPid (), *NewDisplay (); extern struct protoDisplay *FindProtoDisplay (), *NewProtoDisplay (); extern char *localHostname (); /* in xdmcp.c */ extern void init_session_id(); extern void registerHostname(); /* in dm.c */ extern void StartDisplay(); /* in session.c */ extern void execute(); /* in auth.c */ extern void SetLocalAuthorization(); extern void SetUserAuthorization(); extern void RemoveUserAuthorization(); extern void CleanUpFileName(); /* in protodpy.c */ extern void DisposeProtoDisplay(); /* * CloseOnFork flags */ # define CLOSE_ALWAYS 0 # define LEAVE_FOR_DISPLAY 1 #ifndef X_NOT_STDC_ENV #include #else char *malloc(), *realloc(); #endif #if defined(X_NOT_POSIX) && defined(SIGNALRETURNSINT) #define SIGVAL int #else #define SIGVAL void #endif #if defined(X_NOT_POSIX) || defined(__EMX__) || defined(__NetBSD__) && defined(__sparc__) #if defined(SYSV) || defined(__EMX__) #define SIGNALS_RESET_WHEN_CAUGHT #define UNRELIABLE_SIGNALS #endif #define Setjmp(e) setjmp(e) #define Longjmp(e,v) longjmp(e,v) #define Jmp_buf jmp_buf #else #define Setjmp(e) sigsetjmp(e,1) #define Longjmp(e,v) siglongjmp(e,v) #define Jmp_buf sigjmp_buf #endif SIGVAL (*Signal())(); #ifdef MINIX #include void udp_read_cb(nbio_ref_t ref, int res, int err); void tcp_listen_cb(nbio_ref_t ref, int res, int err); #endif