Description: Use pre-generated dh.h for reproducible builds.
Author: Bas Couwenberg <sebastic@debian.org>
Bug-Debian: https://bugs.debian.org/834857
Forwarded: not-needed

--- /dev/null
+++ b/include/dh.h
@@ -0,0 +1,36 @@
+DH *get_dh2048()
+{
+	static unsigned char dh2048_p[]={
+		0x80,0xCF,0xFC,0xB3,0xBC,0xDD,0x17,0x11,0x00,0xFF,0x73,0x97,0x51,0x64,0xB9,
+		0x32,0xB9,0x5E,0x91,0x42,0x11,0x31,0x6F,0xC4,0x3B,0x8A,0x80,0x87,0x08,0x3B,
+		0x8A,0x5B,0x04,0x18,0xFA,0xEF,0x75,0xA5,0x13,0xF3,0xD6,0x3C,0x64,0x0C,0x36,
+		0x50,0xEC,0x25,0xA1,0xCF,0x0D,0x24,0xD0,0x99,0x87,0x1C,0x3C,0x2C,0x75,0x87,
+		0x7A,0x9F,0x21,0xEA,0x43,0x34,0x54,0x96,0xD1,0x68,0xEF,0xD2,0xC4,0xBF,0x21,
+		0xBA,0x48,0x05,0xC8,0x3D,0x97,0xEA,0x04,0x12,0xF9,0xAC,0xE2,0xFD,0x4C,0xFE,
+		0xF8,0x4C,0x43,0x8D,0x61,0xE5,0x0D,0xDB,0xAF,0x51,0xEF,0x17,0xA3,0x3D,0xDD,
+		0x26,0x27,0xA8,0x90,0x12,0x99,0x83,0xC2,0x68,0xEC,0xA1,0xEC,0xFF,0x06,0x3A,
+		0x34,0x0A,0x3C,0x59,0xF2,0xED,0x23,0x4B,0x98,0xC9,0xBC,0x9E,0x37,0xF7,0xD0,
+		0x1A,0x9F,0x39,0x2D,0xF4,0xC1,0x4D,0x19,0xE2,0x81,0xA8,0xF6,0xBD,0xBA,0x23,
+		0x6A,0x58,0x7A,0xBC,0x8A,0x9C,0xB7,0x4F,0x27,0xD1,0x34,0xE9,0xEC,0x03,0xDE,
+		0xC4,0x22,0xF0,0x7F,0x56,0x8E,0x93,0xD1,0xB5,0xA6,0x9B,0x87,0x8A,0xE9,0xC4,
+		0xDF,0x79,0xEC,0xC8,0xAA,0x17,0xDE,0x3E,0x15,0x63,0x35,0x99,0x88,0xA1,0xCA,
+		0xE2,0xC5,0x70,0x4F,0x73,0x0A,0x41,0xFC,0xF5,0x8F,0xF8,0x5B,0x52,0x06,0x58,
+		0x33,0x39,0xDA,0x59,0x68,0x1F,0x06,0xCE,0xD6,0xBA,0x98,0xD7,0x45,0xD9,0x22,
+		0x35,0x81,0x35,0x40,0x03,0xF0,0xEB,0xA6,0xE3,0x6B,0x56,0x13,0x7E,0xCA,0xD3,
+		0x55,0x7E,0x0E,0xCE,0x24,0xF6,0xEB,0xDB,0x83,0x64,0x23,0x89,0x1C,0xC0,0xEA,
+		0xAF,
+	};
+	static unsigned char dh2048_g[]={
+		0x02,
+	};
+	DH *dh;
+
+	if ((dh=DH_new()) == NULL) return(NULL);
+	BIGNUM *p=BN_bin2bn(dh2048_p,sizeof(dh2048_p),NULL);
+	BIGNUM *g=BN_bin2bn(dh2048_g,sizeof(dh2048_g),NULL);
+	if ((p == NULL) || (g == NULL))
+		{ DH_free(dh); return(NULL); }
+	int result = DH_set0_pqg(dh, p, NULL, g);
+	if (result == 0)		{ DH_free(dh); return(NULL); }
+	return(dh);
+}
--- a/macros/ax_nagios_get_ssl
+++ b/macros/ax_nagios_get_ssl
@@ -290,23 +290,11 @@ if test x$SSL_TYPE != xNONE; then
 		if test x$need_dh = xyes; then
 			AC_PATH_PROG(sslbin,openssl,value-if-not-found,$ssl_dir/sbin$PATH_SEPARATOR$ssl_dir/bin$PATH_SEPARATOR$PATH)
 			AC_DEFINE(USE_SSL_DH)
-			# Generate DH parameters
 			if test -f "$sslbin"; then
-				echo ""
-				echo "*** Generating DH Parameters for SSL/TLS ***"
-				# OpenSSL 3 removes dhparam -C
-				# check version and use our own parser if needed
 				nagios_ssl_major_version=`$sslbin version | cut -d' ' -f2 | cut -d. -f1`
 
-				test -d include || mkdir include
 				if test "x$nagios_ssl_major_version" = "x3"; then
 					AC_DEFINE_UNQUOTED(OPENSSL_V3,[1],[Have OpenSSL v3])
-					test -d src || mkdir src
-					$CC ${srcdir}/src/print_c_code.c -o src/print_c_code
-					$sslbin dhparam -text 2048 | ./src/print_c_code > include/dh.h
-				else
-					# awk to strip off meta data at bottom of dhparam output
-					$sslbin dhparam -C 2048 | awk '/^-----/ {exit} {print}' > include/dh.h
 				fi
 			fi
 		fi