Add an autologin mode to xenodm.

app/xenodm/greeter/greet.c

@@ -356,3 +356,28 @@ greet_user_rtn GreetUser(
     }
     return Greet_Success;
 }
+
+_X_EXPORT
+greet_user_rtn AutoLogin(
+    struct display          *d,
+    struct verify_info      *verify,
+    struct greet_info       *greet)
+{
+    int i;
+
+    if (!autoLoginEnv(d, verify, greet)) {
+        LogError("Autologin %s failed\n", d->autoLogin);
+        SessionExit(d, UNMANAGE_DISPLAY, TRUE);
+    }
+    
+    /*
+     * Run system-wide initialization file
+     */
+    if (source (verify->systemEnviron, d->startup) != 0)
+    {
+	Debug ("Startup program %s exited with non-zero status\n",
+		d->startup);
+	SessionExit (d, OBEYSESS_DISPLAY, FALSE);
+    }
+    return Greet_Success;
+}

app/xenodm/greeter/verify.c

@@ -203,3 +203,41 @@ Verify (struct display *d, struct greet_info *greet, struct verify_info *verify)
 	Debug ("end of environments\n");
 	return 1;
 }
+
+_X_INTERNAL
+int
+autoLoginEnv(struct display *d, struct verify_info *verify,
+    struct greet_info *greet)
+{
+	struct passwd	*p;
+	char *shell, *home, **argv;
+
+	Debug("Autologin %s\n", d->autoLogin);
+	p = getpwnam (d->autoLogin);
+	endpwent();
+	if (p == NULL)
+		return 0;
+
+	greet->name = strdup(d->autoLogin);
+	verify->uid = p->pw_uid;
+	verify->gid = p->pw_gid;
+	home = p->pw_dir;
+	shell = p->pw_shell;
+	argv = NULL;
+	if (d->session)
+		argv = parseArgs (argv, d->session);
+	if (greet->string)
+		argv = parseArgs (argv, greet->string);
+	if (!argv)
+		argv = parseArgs (argv, "xsession");
+	verify->argv = argv;
+	verify->userEnviron = userEnv (d, p->pw_uid == 0,
+	    greet->name, home, shell);
+	Debug ("user environment:\n");
+	printEnv (verify->userEnviron);
+	verify->systemEnviron = systemEnv (d, greet->name, home);
+	Debug ("system environment:\n");
+	printEnv (verify->systemEnviron);
+	Debug ("end of environments\n");
+	return 1;
+}

app/xenodm/include/dm.h

@@ -141,6 +141,9 @@ struct display {
 
 	Display		*dpy;		/* Display */
 	char		*windowPath;	/* path to server "window" */
+
+	/* autologin */
+	char		*autoLogin;	/* user to auto-login */
 };
 
 
@@ -302,6 +305,7 @@ extern void printEnv (char **e);
 
 /* in verify.c */
 extern int Verify (struct display *d, struct greet_info *greet, struct verify_info *verify);
+extern int autoLoginEnv(struct display *d, struct verify_info *verify, struct greet_info *greet);
 
 /* in dm.c */
 extern void StopDisplay (struct display *d);

app/xenodm/include/greet.h

@@ -65,3 +65,5 @@ typedef enum {
 extern greet_user_rtn GreetUser(struct display *, Display **,
     struct verify_info *, struct greet_info *);
 
+extern greet_user_rtn AutoLogin(struct display *,
+    struct verify_info *, struct greet_info *);

app/xenodm/man/xenodm.man

@@ -106,7 +106,8 @@ to assist in setting up the screen the user sees along with the
 \fIxlogin\fP widget.
 .PP
 The \fIxlogin\fP widget, which \fIxenodm\fP presents,
-offers the familiar login and password prompts.
+offers the familiar login and password prompts, unless
+\fIautoLogin\fP is set.
 .PP
 After the user logs in, \fIxenodm\fP runs the \fIXstartup\fP script as
 root.
@@ -260,6 +261,9 @@ A list of additional environment variables, separated by white space,
 to pass on to the \fIXsetup\fP,
 \fIXstartup\fP, \fIXsession\fP, and \fIXreset\fP programs.
 .\"
+.IP "\fBDisplayManager.\fP\fIDISPLAY\fP\fB.autoLogin\fP"
+This resource specifes the name of an user that will be logged in
+automatically, without displaying the xlogin widget.
 .IP "\fBDisplayManager.\fP\fIDISPLAY\fP\fB.resources\fP"
 This resource specifies the name of the file to be loaded by \fIxrdb\fP
 as the resource database onto the root window of screen 0 of the display.

app/xenodm/xenodm/resource.c

@@ -176,6 +176,8 @@ struct displayResource serverResources[] = {
 				DEF_AUTH_NAME },
 { "authFile",	"AuthFile",	DM_STRING,	boffset(clientAuthFile),
 				"" },
+{ "autoLogin",	"AutoLogin",	DM_STRING,	boffset(autoLogin),
+				"" },
 };
 
 #define NUM_SERVER_RESOURCES	(sizeof serverResources/\

app/xenodm/xenodm/session.c

@@ -155,12 +155,13 @@ ManageSession (struct display *d)
     (void)XSetErrorHandler(ErrorHandler);
     setproctitle("%s", d->name);
 
-    /*
-     * Load system default Resources
-     */
-    LoadXloginResources (d);
 
-    greet_stat = GreetUser(d, &dpy, &verify, &greet);
+    if (d->autoLogin == NULL || d->autoLogin[0] == '\0') {
+        /* Load system default Resources */
+        LoadXloginResources (d);
+        greet_stat = GreetUser(d, &dpy, &verify, &greet);
+    } else
+        greet_stat = AutoLogin(d, &verify, &greet);
 
     if (greet_stat == Greet_Success) {
 	clientPid = 0;