Changes On Branch d3319fd18ba4fcbf

Changes In Branch dh Through [d3319fd18b] Excluding Merge-Ins

This is equivalent to a diff from c498845865 to d3319fd18b

2023-12-29
03:09
Merged in dh branch check-in: 594dfd3195 user: bohagan tags: trunk
00:46
Use env var for OpenSSL executable path. Source: https://core.tcl-lang.org/tcltls/tktview/034c8d2587 check-in: e63b467c48 user: bohagan tags: dh
2023-12-28
23:15
Refactored DH generation to not need a separate file for DH data. Added missing header files to generated file. check-in: d3319fd18b user: bohagan tags: dh
21:27
DH Changes for OpenSSL 3.0 Source: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275160 and https://cgit.freebsd.org/ports/tree/devel/tcltls/files/dh_params.h?id=2ed62c75d1230bbe8268a1a3c54de2972d50dcf8 check-in: 54c35183c2 user: bohagan tags: dh
20:01
Created DH branch check-in: 22f9df2429 user: bohagan tags: dh
2023-12-21
20:15
Merged in master changes check-in: 265ace08fe user: bohagan tags: crypto
19:56
Optimized Init stub load and package require. Use general pkhIndex.tcl file. check-in: c498845865 user: bohagan tags: trunk
2023-12-11
10:37
Updated to latest tclconfig changes check-in: 98e3157245 user: bohagan tags: trunk

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			;;
		bits=*)
			bits="`echo "${arg}" | cut -f 2 -d =`"
			;;
	esac
done

openssl_dhparam() {
	if openssl dhparam -C "$@" | sed	\
	    -e 's/^\(static \)*DH \*get_dh[0-9]*/static DH *get_dhParams/'	\
	    -e '/^-----BEGIN DH PARAMETERS-----$/,/^-----END DH PARAMETERS-----$/ d;/^#/ d'
	then
		return 0
	fi

	return 1
}












































gen_dh_params_openssl() {
	openssl_dhparam "${bits}" < /dev/null || return 1
	return 0
}

gen_dh_params_remote() {
	url="https://2ton.com.au/dhparam/${bits}"

	r_input="`curl -sS "${url}"`" || \
		r_input="`wget -O - -o /dev/null "${url}"`" || return 1

	if r_output="`echo "${r_input}" | openssl_dhparam`"; then
		echo "${r_output}"

		return 0
	fi

	return 1
}

gen_dh_params_fallback() {
	cat << \_EOF_


DH *get_dhParams(void) {
	static unsigned char dhp[] = {
_EOF_
	case "${bits}" in
		2048)
			cat << \_EOF_
		0xC1,0x51,0x58,0x69,0xFB,0xE8,0x6C,0x47,0x2B,0x86,0x61,0x4F,







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			;;
		bits=*)
			bits="`echo "${arg}" | cut -f 2 -d =`"
			;;
	esac
done

openssl_dhparam1() {
	if openssl dhparam -C "$@" | sed	\
	    -e 's/^\(static \)*DH \*get_dh[0-9]*/static DH *get_dhParams/'	\
	    -e '/^-----BEGIN DH PARAMETERS-----$/,/^-----END DH PARAMETERS-----$/ d;/^#/ d'
	then
		return 0
	fi

	return 1
}

# OpenSSL 3.0 openssl-dhparam has no "-C" option, so we emulate it here
openssl_dhparam3() {
	cat << \_EOF_
#include <openssl/dh.h>
#include <openssl/bn.h>
static DH *get_dhParams(void) {
	static unsigned char dhp[] = {
_EOF_

	openssl dhparam -text "$@" | \
	    sed -E -e '/^---/,/^---/d' \
		-e '/(DH|prime|generator|P|G|recommended)/d' \
		-e 's/([0-9a-h]{2})(:|$$)/0x\1, /g'

	cat << \_EOF_
	};
	static unsigned char dhg[] = {
		0x02,
	};

	DH *dh = DH_new();;
	BIGNUM *p, *g;

	if (dh == NULL) {
		return NULL;
	}

	p = BN_bin2bn(dhp, sizeof (dhp), NULL);
	g = BN_bin2bn(dhg, sizeof (dhg), NULL);

	if (p == NULL || g == NULL || !DH_set0_pqg(dh, p, NULL, g)) {
		DH_free(dh);
		BN_free(p);
		BN_free(g);
		return(NULL);
	}
	return dh;
}
_EOF_

	return 0
}

gen_dh_params_openssl() {
	openssl_dhparam3 "${bits}" < /dev/null || return 1
	return 0
}

gen_dh_params_remote() {
	url="https://2ton.com.au/dhparam/${bits}"

	r_input="`curl -sS "${url}"`" || \
		r_input="`wget -O - -o /dev/null "${url}"`" || return 1

	if r_output="`echo "${r_input}" | openssl_dhparam1`"; then
		echo "${r_output}"

		return 0
	fi

	return 1
}

gen_dh_params_fallback() {
	cat << \_EOF_
#include <openssl/dh.h>
#include <openssl/bn.h>
DH *get_dhParams(void) {
	static unsigned char dhp[] = {
_EOF_
	case "${bits}" in
		2048)
			cat << \_EOF_
		0xC1,0x51,0x58,0x69,0xFB,0xE8,0x6C,0x47,0x2B,0x86,0x61,0x4F,
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echo "*****************************" >&2
echo "** Generating DH Primes.   **" >&2
echo "** This will take a while. **" >&2
echo "*****************************" >&2
echo "Use OpenSSL" >&2
gen_dh_params_openssl && exit 0
echo "Use Remote" >&2
gen_dh_params_remote && exit 0
echo "Use fallback" >&2
gen_dh_params_fallback && exit 0

echo "Unable to generate parameters for DH of ${bits} bits" >&2

exit 1







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echo "*****************************" >&2
echo "** Generating DH Primes.   **" >&2
echo "** This will take a while. **" >&2
echo "*****************************" >&2
echo "Use OpenSSL" >&2
gen_dh_params_openssl && exit 0
#echo "Use Remote" >&2
#gen_dh_params_remote && exit 0
echo "Use fallback" >&2
gen_dh_params_fallback && exit 0

echo "Unable to generate parameters for DH of ${bits} bits" >&2

exit 1
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	OPTBYTE("-key", key, key_len);
	OPTSTR("-keyfile", keyfile);
	OPTSTR("-model", model);
	OPTOBJ("-password", password);
	OPTBOOL("-post_handshake", post_handshake);
	OPTBOOL("-request", request);
	OPTBOOL("-require", require);
	OPTINT("-security_level", level);
	OPTBOOL("-server", server);
	OPTSTR("-servername", servername);
	OPTSTR("-session_id", session_id);
	OPTBOOL("-ssl2", ssl2);
	OPTBOOL("-ssl3", ssl3);
	OPTBOOL("-tls1", tls1);
	OPTBOOL("-tls1.1", tls1_1);
	OPTBOOL("-tls1.2", tls1_2);
	OPTBOOL("-tls1.3", tls1_3);
	OPTOBJ("-validatecommand", vcmd);
	OPTOBJ("-vcmd", vcmd);

	OPTBAD("option", "-alpn, -cadir, -cafile, -cert, -certfile, -cipher, -ciphersuites, -command, -dhparams, -key, -keyfile, -model, -password, -post_handshake, -request, -require, -security_level, -server, -servername, -session_id, -ssl2, -ssl3, -tls1, -tls1.1, -tls1.2, -tls1.3, or -validatecommand");

	return TCL_ERROR;
    }
    if (request)		verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
    if (request && require)	verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
    if (request && post_handshake)	verify |= SSL_VERIFY_POST_HANDSHAKE;
    if (verify == 0)		verify = SSL_VERIFY_NONE;







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	OPTBYTE("-key", key, key_len);
	OPTSTR("-keyfile", keyfile);
	OPTSTR("-model", model);
	OPTOBJ("-password", password);
	OPTBOOL("-post_handshake", post_handshake);
	OPTBOOL("-request", request);
	OPTBOOL("-require", require);
	OPTINT("-securitylevel", level);
	OPTBOOL("-server", server);
	OPTSTR("-servername", servername);
	OPTSTR("-session_id", session_id);
	OPTBOOL("-ssl2", ssl2);
	OPTBOOL("-ssl3", ssl3);
	OPTBOOL("-tls1", tls1);
	OPTBOOL("-tls1.1", tls1_1);
	OPTBOOL("-tls1.2", tls1_2);
	OPTBOOL("-tls1.3", tls1_3);
	OPTOBJ("-validatecommand", vcmd);
	OPTOBJ("-vcmd", vcmd);

	OPTBAD("option", "-alpn, -cadir, -cafile, -cert, -certfile, -cipher, -ciphersuites, -command, -dhparams, -key, -keyfile, -model, -password, -post_handshake, -request, -require, -securitylevel, -server, -servername, -session_id, -ssl2, -ssl3, -tls1, -tls1.1, -tls1.2, -tls1.3, or -validatecommand");

	return TCL_ERROR;
    }
    if (request)		verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
    if (request && require)	verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
    if (request && post_handshake)	verify |= SSL_VERIFY_POST_HANDSHAKE;
    if (verify == 0)		verify = SSL_VERIFY_NONE;