dtlogin: use sessreg to manage utmp/wtmp.

cde/programs/dtsession/SmLock.c

@@ -86,7 +86,8 @@
 #endif
 
 #ifdef HAS_PAM_LIBRARY
-#include <Dt/PamSvc.h>
+#include <security/pam_appl.h>
+#include <Dt/SvcPam.h>
 #endif
 
 #include "Sm.h"
@@ -1622,7 +1623,8 @@ localAuthenticate(
 
     if (!(service = strrchr(smGD.programName, '/'))) return False;
 
-    return !_DtAuthentication(service + 1, NULL, passwd, pwent->pw_name, NULL);
+    return _DtSvcPamAuthenticate(service + 1, pwent->pw_name, NULL, passwd) ==
+	   PAM_SUCCESS;
 }
 #elif defined(SIA)
 

cde/programs/dtsession/config/Makefile.am

@@ -1,7 +1,7 @@
 MAINTAINERCLEANFILES = Makefile.in
 
 if HAS_PAM_LIBRARY
-CPP_TARGET = pam/dtsession
+CPP_TARGET = dtsession
 dist_pam_DATA = $(CPP_TARGET)
 if FREEBSD
 pamdir = /usr/local/etc/pam.d
@@ -19,6 +19,6 @@ endif
 BUILT_SOURCES = $(CPP_TARGET)
 CLEANFILES = $(CPP_TARGET)
 
-pam/dtsession: pam/dtsession.src
+dtsession: dtsession.src
 	$(RM) $@
 	$(GENCPP) -P -DXCOMM=# $(AM_CPPFLAGS) $< > $@