Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtlogin/dpylist.c

@@ -0,0 +1,284 @@
+/* (c) Copyright 1997 The Open Group */
+/*                                                                      *
+ * (c) Copyright 1993, 1994 Hewlett-Packard Company                     *
+ * (c) Copyright 1993, 1994 International Business Machines Corp.       *
+ * (c) Copyright 1993, 1994 Sun Microsystems, Inc.                      *
+ * (c) Copyright 1993, 1994 Novell, Inc.                                *
+ */
+/*
+ * xdm - display manager daemon
+ *
+ * $TOG: dpylist.c /main/5 1997/03/14 13:44:46 barstow $
+ *
+ * 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
+ */
+
+/*
+ * a simple linked list of known displays
+ */
+
+# include "dm.h"
+# include "vgmsg.h"
+
+struct display	*displays;
+
+
+int 
+AnyDisplaysLeft( void )
+{
+	return displays != (struct display *) 0;
+}
+
+void
+ForEachDisplay( void (*f)() )
+{
+	struct display	*d, *next;
+
+	for (d = displays; d; d = next) {
+		next = d->next;
+		(*f) (d);
+	}
+}
+
+struct display * 
+FindDisplayByName( char *name )
+{
+	struct display	*d;
+
+	for (d = displays; d; d = d->next)
+		if (!strcmp (name, d->name))
+			return d;
+	return 0;
+}
+
+struct display *
+FindDisplayByPid( int pid )
+{
+	struct display	*d;
+
+	for (d = displays; d; d = d->next)
+		if (pid == d->pid)
+			return d;
+	return 0;
+}
+
+struct display * 
+FindDisplayByServerPid( int serverPid )
+{
+	struct display	*d;
+
+	for (d = displays; d; d = d->next)
+		if (serverPid == d->serverPid)
+			return d;
+	return 0;
+}
+
+struct display * 
+FindDisplayBySessionID( CARD32 sessionID )
+{
+    struct display	*d;
+
+    for (d = displays; d; d = d->next)
+	if (sessionID == d->sessionID)
+	    return d;
+    return 0;
+}
+
+struct display * 
+FindDisplayByAddress(struct sockaddr *addr, int addrlen,
+#if NeedWidePrototypes
+        int displayNumber )
+#else
+        CARD16 displayNumber )
+#endif /* NeedWidePrototypes */
+{
+    struct display  *d;
+
+    for (d = displays; d; d = d->next)
+	if (d->displayType.origin == FromXDMCP &&
+	    d->displayNumber == displayNumber &&
+	    addressEqual ((char *)d->from, d->fromlen, (char *)addr, addrlen))
+	{
+	    return d;
+	}
+    return 0;
+}
+
+#define IfFree(x)  if (x) free ((char *) x)
+    
+void
+RemoveDisplay( struct display *old )
+{
+    struct display	*d, *p;
+    char		**x;
+    int                       i;
+
+    extern int		wakeupTime;
+    
+    Debug("Removing display %s from display list.\n", old->name);
+    
+    p = 0;
+    for (d = displays; d; d = d->next) {
+	if (d == old) {
+	    if (p)
+		p->next = d->next;
+	    else
+		displays = d->next;
+	    IfFree (d->name);
+	    IfFree (d->class);
+	    for (x = d->argv; x && *x; x++)
+		IfFree (*x);
+	    IfFree (d->argv);
+	    IfFree (d->resources);
+	    IfFree (d->xrdb);
+	    IfFree (d->cpp);
+	    IfFree (d->setup);
+	    IfFree (d->startup);
+	    IfFree (d->reset);
+	    IfFree (d->session);
+	    IfFree (d->userPath);
+	    IfFree (d->systemPath);
+	    IfFree (d->systemShell);
+	    IfFree (d->failsafeClient);
+	    IfFree (d->chooser);
+	    if (d->authorizations)
+	    {
+		for (i = 0; i < d->authNum; i++)
+		    XauDisposeAuth (d->authorizations[i]);
+		free ((char *) d->authorizations);
+            }
+	    IfFree (d->clientAuthFile);
+	    if (d->authFile)
+		(void) unlink (d->authFile);
+	    IfFree (d->authFile);
+	    IfFree (d->userAuthDir);
+	    IfFree (d->authNames);
+	    IfFree (d->peer);
+	    IfFree (d->from);
+            XdmcpDisposeARRAY8(&d->clientAddr);
+	    IfFree (d->language);
+	    IfFree (d->langList);
+	    IfFree (d->utmpId);
+	    IfFree (d->gettyLine);
+	    IfFree (d->gettySpeed);
+	    IfFree (d->environStr);
+	    IfFree (d->verifyName);
+
+	    /*
+	     *  turn off polling if we are removing a suspended display...
+	     */
+	     
+	    if ( d->status == suspended )
+	    	wakeupTime = -1;
+
+
+	    free ((char *) d);
+	    break;
+	}
+	p = d;
+    }
+}
+
+struct display * 
+NewDisplay( char *name, char *class )
+{
+    struct display	*d;
+
+    d = (struct display *) malloc (sizeof (struct display));
+    if (!d) {
+	LogOutOfMem (ReadCatalog(MC_LOG_SET,MC_LOG_NEW_DPY,MC_DEF_LOG_NEW_DPY));
+	return 0;
+    }
+    d->next = displays;
+    d->name = malloc ((unsigned) (strlen (name) + 1));
+    if (!d->name) {
+	LogOutOfMem (ReadCatalog(MC_LOG_SET,MC_LOG_NEW_DPY,MC_DEF_LOG_NEW_DPY));
+	free ((char *) d);
+	return 0;
+    }
+    strcpy (d->name, name);
+    if (class)
+    {
+	d->class = malloc ((unsigned) (strlen (class) + 1));
+	if (!d->class) {
+	    LogOutOfMem(
+		ReadCatalog(MC_LOG_SET,MC_LOG_NEW_DPY,MC_DEF_LOG_NEW_DPY));
+	    free (d->name);
+	    free ((char *) d);
+	    return 0;
+	}
+	strcpy (d->class, class);
+    }
+    else
+    {
+	d->class = (char *) 0;
+    }
+    /* initialize every field to avoid possible problems */
+    d->argv = 0;
+    d->status = notRunning;
+    d->pid = -1;
+    d->serverPid = -1;
+    d->state = NewEntry;
+    d->resources = NULL;
+    d->xrdb = NULL;
+    d->cpp = NULL;
+    d->setup = NULL;
+    d->startup = NULL;
+    d->reset = NULL;
+    d->session = NULL;
+    d->userPath = NULL;
+    d->systemPath = NULL;
+    d->systemShell = NULL;
+    d->failsafeClient = NULL;
+    d->chooser = NULL;
+    d->authorize = FALSE;
+    d->authorizations = NULL;
+    d->authNum = 0;
+    d->authNameNum = 0;
+    d->clientAuthFile = NULL;
+    d->authFile = NULL;
+    d->userAuthDir = NULL;
+    d->authNames = NULL;
+    d->authNameLens = NULL;
+    d->openDelay = 0;
+    d->openRepeat = 0;
+    d->openTimeout = 0;
+    d->startAttempts = 0;
+    d->startTries = 0;
+    d->terminateServer = 0;
+    d->grabTimeout = 0;
+    d->sessionID = 0;
+    d->peer = 0;
+    d->peerlen = 0;
+    d->from = 0;
+    d->fromlen = 0;
+    d->displayNumber = 0;
+    d->useChooser = 0;
+    d->clientAddr.data = NULL;
+    d->clientAddr.length = 0;
+    d->language = NULL;
+    d->langList = NULL;
+    d->utmpId = NULL;
+    d->gettyLine = NULL;
+    d->gettySpeed = NULL;
+    d->environStr = NULL;
+    d->dtlite = FALSE;
+    d->verifyName = NULL;
+    d->pmSearchPath = NULL;
+    d->bmSearchPath = NULL;
+    displays = d;
+    return d;
+}
+