1 files changed, 134 insertions, 0 deletions
diff --git a/src/ext/ed25519/donna/fuzz/build-nix.php b/src/ext/ed25519/donna/fuzz/build-nix.php
new file mode 100644
index 0000000000..c69144ebc9
--- /dev/null
+++ b/src/ext/ed25519/donna/fuzz/build-nix.php
@@ -0,0 +1,134 @@
+<?php
+	function echoln($str) {
+		echo $str;
+		echo "\n";
+	}
+
+	function usage($reason) {
+		echoln("Usage: php build-nix.php [flags]");
+		echoln("Flags in parantheses are optional");
+		echoln("");
+		echoln("  --bits=[32,64]");
+		echoln("  --function=[curve25519,ed25519]");
+		echoln(" (--compiler=[*gcc,clang,icc])        which compiler to use, gcc is default");
+		echoln(" (--with-openssl)                     use openssl for SHA512");
+		echoln(" (--with-sse2)                        additionally fuzz against SSE2");
+		echoln(" (--no-asm)                           don't use platform specific asm");
+		echoln("");
+		if ($reason)
+			echoln($reason);
+	}
+
+	function cleanup() {
+		system("rm -f *.o");
+	}
+
+	function runcmd($desc, $cmd) {
+		echoln($desc);
+
+		$ret = 0;
+		system($cmd, $ret);
+		if ($ret) {
+			cleanup();
+			exit;
+		}
+	}
+
+	class argument {
+		var $set, $value;
+	}
+
+	class multiargument extends argument {
+		function multiargument($flag, $legal_values) {
+			global $argc, $argv;
+
+			$this->set = false;
+
+			$map = array();
+			foreach($legal_values as $value)
+				$map[$value] = true;
+
+			for ($i = 1; $i < $argc; $i++) {
+				if (!preg_match("!--".$flag."=(.*)!", $argv[$i], $m))
+					continue;
+				if (isset($map[$m[1]])) {
+					$this->value = $m[1];
+					$this->set = true;
+					return;
+				} else {
+					usage("{$m[1]} is not a valid parameter to --{$flag}!");
+					exit(1);
+				}
+			}
+		}
+	}
+
+	class flag extends argument {
+		function flag($flag) {
+			global $argc, $argv;
+
+			$this->set = false;
+
+			$flag = "--{$flag}";
+			for ($i = 1; $i < $argc; $i++) {
+				if ($argv[$i] !== $flag)
+					continue;
+				$this->value = true;
+				$this->set = true;
+				return;
+			}
+		}
+	}
+
+	$bits = new multiargument("bits", array("32", "64"));
+	$function = new multiargument("function", array("curve25519", "ed25519"));
+	$compiler = new multiargument("compiler", array("gcc", "clang", "icc"));
+	$with_sse2 = new flag("with-sse2");
+	$with_openssl = new flag("with-openssl");
+	$no_asm = new flag("no-asm");
+
+	$err = "";
+	if (!$bits->set)
+		$err .= "--bits not set\n";
+	if (!$function->set)
+		$err .= "--function not set\n";
+
+	if ($err !== "") {
+		usage($err);
+		exit;
+	}
+
+	$compile = ($compiler->set) ? $compiler->value : "gcc";
+	$link = "";
+	$flags = "-O3 -m{$bits->value}";
+	$ret = 0;
+
+	if ($with_openssl->set) $link .= " -lssl -lcrypto";
+	if (!$with_openssl->set) $flags .= " -DED25519_REFHASH -DED25519_TEST";
+	if ($no_asm->set) $flags .= " -DED25519_NO_INLINE_ASM";
+
+	if ($function->value === "curve25519") {
+		runcmd("building ref10..", "{$compile} {$flags} curve25519-ref10.c -c -o curve25519-ref10.o");
+		runcmd("building ed25519..", "{$compile} {$flags} ed25519-donna.c -c -o ed25519.o");
+		if ($with_sse2->set) {
+			runcmd("building ed25519-sse2..", "{$compile} {$flags} ed25519-donna-sse2.c -c -o ed25519-sse2.o -msse2");
+			$flags .= " -DED25519_SSE2";
+			$link .= " ed25519-sse2.o";
+		}
+		runcmd("linking..", "{$compile} {$flags} {$link} fuzz-curve25519.c ed25519.o curve25519-ref10.o -o fuzz-curve25519");
+		echoln("fuzz-curve25519 built.");
+	} else 	if ($function->value === "ed25519") {
+		runcmd("building ref10..", "{$compile} {$flags} ed25519-ref10.c -c -o ed25519-ref10.o");
+		runcmd("building ed25519..", "{$compile} {$flags} ed25519-donna.c -c -o ed25519.o");
+		if ($with_sse2->set) {
+			runcmd("building ed25519-sse2..", "{$compile} {$flags} ed25519-donna-sse2.c -c -o ed25519-sse2.o -msse2");
+			$flags .= " -DED25519_SSE2";
+			$link .= " ed25519-sse2.o";
+		}
+		runcmd("linking..", "{$compile} {$flags} {$link} fuzz-ed25519.c ed25519.o ed25519-ref10.o -o fuzz-ed25519");
+		echoln("fuzz-ed25519 built.");
+	}
+
+
+	cleanup();
+?>