From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Fri, 16 Oct 2009 13:52:47 +0000 (+0000)
Subject: Disable transcript support if no tcsetpgrp until we support older BSD-style
X-Git-Tag: SUDO_1_7_3~226
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=52b2762f701b82970d4a40752af76958a03bd576;p=sudo

Disable transcript support if no tcsetpgrp until we support older BSD-style
job control.
---

diff --git a/config.h.in b/config.h.in
index 7737232b9..400e4a66b 100644
--- a/config.h.in
+++ b/config.h.in
@@ -500,6 +500,9 @@
 /* Define to 1 if you have the <sys/types.h> header file. */
 #undef HAVE_SYS_TYPES_H
 
+/* Define to 1 if you have the `tcsetpgrp' function. */
+#undef HAVE_TCSETPGRP
+
 /* Define to 1 if you have the <termios.h> header file and the `tcgetattr'
    function. */
 #undef HAVE_TERMIOS_H
diff --git a/configure b/configure
index 0a69ee01b..69a201732 100755
--- a/configure
+++ b/configure
@@ -25613,9 +25613,111 @@ echo "${ECHO_T}$enable_transcript" >&6; }
 
 
 if test "${enable_transcript-yes}" != "no"; then
-    SUDO_OBJS="${SUDO_OBJS} pty.o script.o"
-    PROGS="$PROGS sudoreplay"
-    REPLAY=""
+    # currently require POSIX job control for transcript support
+
+for ac_func in tcsetpgrp
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
+if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$ac_func || defined __stub___$ac_func
+choke me
+#endif
+
+int
+main ()
+{
+return $ac_func ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_var=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_var'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+	SUDO_OBJS="${SUDO_OBJS} pty.o script.o"
+	PROGS="$PROGS sudoreplay"
+	REPLAY=""
+
+else
+
+	{ echo "$as_me:$LINENO: WARNING: Disabling transcript support due to lack of tcsetpgrp function" >&5
+echo "$as_me: WARNING: Disabling transcript support due to lack of tcsetpgrp function" >&2;}
+	enable_transcript=no
+
+fi
+done
+
 fi
 
 case "$with_passwd" in
diff --git a/configure.in b/configure.in
index b20d59974..b66ad6dde 100644
--- a/configure.in
+++ b/configure.in
@@ -2597,9 +2597,15 @@ dnl
 dnl If transcript is enabled, build sudoreplay and add pty.o script.o for sudo
 dnl
 if test "${enable_transcript-yes}" != "no"; then
-    SUDO_OBJS="${SUDO_OBJS} pty.o script.o"
-    PROGS="$PROGS sudoreplay"
-    REPLAY=""
+    # currently require POSIX job control for transcript support
+    AC_CHECK_FUNCS(tcsetpgrp, [
+	SUDO_OBJS="${SUDO_OBJS} pty.o script.o"
+	PROGS="$PROGS sudoreplay"
+	REPLAY=""
+    ], [
+	AC_MSG_WARN([Disabling transcript support due to lack of tcsetpgrp function])
+	enable_transcript=no
+    ])
 fi
 
 dnl