TclTLS
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Comment:Updated to support a deterministic mode
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SHA1: bf7f82b5e82c3c4173fb9add2d6cdd9acd74e2dc
User & Date: rkeene on 2016-12-01 21:51:55
Other Links: branch diff | manifest | tags
Context
2016-12-02
16:09
Minor cleanup of global variables and void function check-in: ee18d6c91e user: rkeene tags: tls-1-7
2016-12-01
21:51
Updated to support a deterministic mode check-in: bf7f82b5e8 user: rkeene tags: tls-1-7
21:36
Updated to generate DH parameters more dynamically check-in: 3d5e70d1d5 user: rkeene tags: tls-1-7
Changes
Side-by-Side Diff Ignore Whitespace Patch
Modified Makefile.in from [e516302d1e] to [d6e6218bd6].
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# this extension
@srcdir@/tls.tcl.h: @srcdir@/tls.tcl
	xxd -i < '@srcdir@/tls.tcl' > '@srcdir@/tls.tcl.h.new'
	mv '@srcdir@/tls.tcl.h.new' '@srcdir@/tls.tcl.h'

# Create default DH parameters
dh_params.h: @srcdir@/gen_dh_params
	@srcdir@/gen_dh_params > dh_params.h.new
	@srcdir@/gen_dh_params @GEN_DH_PARAMS_ARGS@ > dh_params.h.new
	mv dh_params.h.new dh_params.h

# Generic target for building files from the "srcdir"
# tree -- the default target will not match paths
%.o: @srcdir@/%.c
	$(CC) $(CPPFLAGS) $(CFLAGS) -o "$@" -c "$<"
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Modified configure.in from [0ba49b2843] to [92ab7478f3].
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	fi

	tcltls_ssl_lib="$withval"
], [
	tcltls_ssl_lib='auto'
])

dnl Enable support for building the same library every time
tcltls_deterministic='false'
AC_ARG_ENABLE([deterministic], AS_HELP_STRING([--enable-deterministic], [enable deterministic parameters]), [
	if test "$enableval" = "yes"; then
		tcltls_deterministic='true'
	fi
])
if test "$tcltls_deterministic" = 'true'; then
	GEN_DH_PARAMS_ARGS='fallback'
else
	GEN_DH_PARAMS_ARGS=''
fi
AC_SUBST(GEN_DH_PARAMS_ARGS)

AC_CHECK_TOOL([PKGCONFIG], [pkg-config], [false])

dnl XXX:TODO: Automatically determine the SSL library to use
dnl           defaulting to OpenSSL for compatibility reasons
if test "$tcltls_ssl_lib" = 'auto'; then
	tcltls_ssl_lib='openssl'
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Modified gen_dh_params from [a7290cba5e] to [121b16da7e].
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	dh->g=BN_bin2bn(dh2048_g,sizeof(dh2048_g),NULL);
	if ((dh->p == NULL) || (dh->g == NULL))
		{ DH_free(dh); return(NULL); }
	return(dh);
	}
_EOF_
}

# Enable support for giving the same DH params each time
if [ "$1" = 'fallback' ]; then
	gen_dh_params_fallback && exit 0

	exit 1
fi

gen_dh_params_openssl && exit 0
gen_dh_params_remote && exit 0
gen_dh_params_fallback && exit 0

exit 1
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