Add --enable-utmp to configure.ac

.github/workflows/build.yml

@@ -110,10 +110,11 @@ jobs:
       # define the standard environment variable used in the rest of the steps.
       CONF_FLAGS_amd64_min: "--disable-ipv6 --disable-jpeg --disable-fuse --disable-mp3lame
                   --disable-fdkaac --disable-opus --disable-rfxcodec --disable-painter
-                  --disable-pixman"
+                  --disable-pixman --disable-utmp"
       CONF_FLAGS_amd64_max: "--enable-ipv6 --enable-jpeg --enable-fuse --enable-mp3lame
                   --enable-fdkaac --enable-opus --enable-rfxcodec --enable-painter
-                  --enable-pixman --with-imlib2 --with-freetype2 --enable-tests"
+                  --enable-pixman --enable-utmp
+                  --with-imlib2 --with-freetype2 --enable-tests"
       CONF_FLAGS_i386_max: "--enable-ipv6 --enable-jpeg --enable-mp3lame
                   --enable-opus --enable-rfxcodec --enable-painter
                   --disable-pixman --with-imlib2 --with-freetype2

configure.ac

@@ -183,6 +183,11 @@ AC_ARG_ENABLE(rdpsndaudin, AS_HELP_STRING([--enable-rdpsndaudin],
               [], [enable_rdpsndaudin=no])
 AM_CONDITIONAL(XRDP_RDPSNDAUDIN, [test x$enable_rdpsndaudin = xyes])
 
+AC_ARG_ENABLE(utmp, AS_HELP_STRING([--enable-utmp],
+              [Update utmp (default: no)]),
+              [], [enable_utmp=no])
+AM_CONDITIONAL(XRDP_UTMP, [test x$enable_utmp = xyes])
+
 AC_ARG_WITH(imlib2, AS_HELP_STRING([--with-imlib2=ARG], [imlib2 library to use for non-BMP backgrounds (ARG=yes/no/<abs-path>)]),,)
 
 AC_ARG_WITH(freetype2, AS_HELP_STRING([--with-freetype2=ARG], [freetype2 library to use for rendering fonts (ARG=yes/no/<abs-path>)]),,)
@@ -515,7 +520,10 @@ AC_CHECK_HEADER([X11/extensions/Xrandr.h], [],
   [AC_MSG_ERROR([please install libxrandr-dev or libXrandr-devel])],
   [#include <X11/Xlib.h>])
 
-AC_CHECK_HEADERS(utmp.h utmpx.h)
+if test "x$enable_utmp" = "xyes"
+then
+    AC_CHECK_HEADERS(utmp.h utmpx.h)
+fi
 
 CFLAGS="$save_CFLAGS"
 
@@ -634,6 +642,7 @@ echo "  ipv6only                $enable_ipv6only"
 echo "  vsock                   $enable_vsock"
 echo "  auth mechanism          $auth_mech"
 echo "  rdpsndaudin             $enable_rdpsndaudin"
+echo "  utmp support            $enable_utmp"
 echo
 echo "  with imlib2             $use_imlib2"
 echo "  with freetype2          $use_freetype2"

sesman/sesexec/Makefile.am

@@ -9,6 +9,10 @@ AM_CPPFLAGS = \
 
 SESEXEC_EXTRA_LIBS =
 
+if XRDP_UTMP
+    AM_CPPFLAGS += -DUSE_UTMP
+endif
+
 pkglibexec_PROGRAMS = \
   xrdp-sesexec
 

sesman/sesexec/sessionrecord.c

@@ -31,6 +31,8 @@
 #include <config_ac.h>
 #endif
 
+#ifdef USE_UTMP
+
 #include <pwd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -38,19 +40,20 @@
 #include <sys/time.h>
 #include <unistd.h>
 
-#include "log.h"
-#include "os_calls.h"
-#include "string_calls.h"
-#include "sessionrecord.h"
-
 #ifdef HAVE_UTMPX_H
 #include <utmpx.h>
 typedef struct utmpx _utmp;
 #else
-#include <utmpx.h>
+#include <utmp.h>
 typedef struct utmp _utmp;
 #endif
 
+#endif // USE_UTMP
+
+#include "log.h"
+#include "os_calls.h"
+#include "string_calls.h"
+#include "sessionrecord.h"
 
 #define XRDP_LINE_FORMAT "xrdp:%d"
 
@@ -62,6 +65,7 @@ typedef struct utmp _utmp;
 void
 add_xtmp_entry(int pid, const char *display_id, const char *user, const char *rhostname, const short state)
 {
+#if USE_UTMP
     _utmp ut;
     struct timeval tv;
 
@@ -83,6 +87,8 @@ add_xtmp_entry(int pid, const char *display_id, const char *user, const char *rh
     pututxline(&ut);
     /* closes utmp */
     endutxent();
+
+#endif // USE_UTMP
 }
 
 void