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Ports: Add preliminary dropbear port

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This is very basic and doesn't support many features. Instead
of describing what it *doesn't* support, I'll describe what I
have tested:
1. Public key authentication (password is not supported)
2. Single command execution
3. PTY-less interactive bash shell (/bin/sh doesn't work)
4. Multi-user (i.e you can ssh as 'anon' as well as root)
This commit is contained in:
Yonatan Goldschmidt 2020-05-11 00:03:39 +03:00 • committed by Andreas Kling
parent b03fefd9f8
commit c377e6af29
16 changed files with 384 additions and 1 deletions
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84
Ports/dropbear/patches/disable-ssp.patch Normal file
View file

@ -0,0 +1,84 @@
I patch both configure.ac and configure itself (though only configure is required for the build)
Serenity's GCC doesn't support SSP, so this is disabled.
--- a/configure.ac.orig
+++ b/configure.ac
@@ -99,22 +99,7 @@
[AC_MSG_NOTICE([Not setting $TESTFLAGS]); LDFLAGS="$OLDLDFLAGS" ]
)
fi # non-static
- # stack protector. -strong is good but only in gcc 4.9 or later
- OLDCFLAGS="$CFLAGS"
- TESTFLAGS="-fstack-protector-strong"
- CFLAGS="$CFLAGS $TESTFLAGS"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
- [AC_MSG_NOTICE([Setting $TESTFLAGS])],
- [
- CFLAGS="$OLDCFLAGS"
- TESTFLAGS="-fstack-protector --param=ssp-buffer-size=4"
- CFLAGS="$CFLAGS $TESTFLAGS"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
- [AC_MSG_NOTICE([Setting $TESTFLAGS])],
- [AC_MSG_NOTICE([Not setting $TESTFLAGS]); CFLAGS="$OLDCFLAGS" ]
- )
- ]
- )
+
# FORTIFY_SOURCE
DB_TRYADDCFLAGS([-D_FORTIFY_SOURCE=2])
--- a/configure.orig
+++ b/configure
@@ -3357,53 +3357,7 @@
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi # non-static
- # stack protector. -strong is good but only in gcc 4.9 or later
- OLDCFLAGS="$CFLAGS"
- TESTFLAGS="-fstack-protector-strong"
- CFLAGS="$CFLAGS $TESTFLAGS"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
-$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
-else
-
- CFLAGS="$OLDCFLAGS"
- TESTFLAGS="-fstack-protector --param=ssp-buffer-size=4"
- CFLAGS="$CFLAGS $TESTFLAGS"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
-$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: Not setting $TESTFLAGS" >&5
-$as_echo "$as_me: Not setting $TESTFLAGS" >&6;}; CFLAGS="$OLDCFLAGS"
-
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
# FORTIFY_SOURCE
{
OLDFLAGS="$CFLAGS"