2 files changed, 80 insertions, 0 deletions
diff --git a/utils/md5sum/md5sum.c b/utils/md5sum/md5sum.c
new file mode 100644
index 00000000..11c373d9
--- /dev/null
+++ b/utils/md5sum/md5sum.c
@@ -0,0 +1,61 @@
+#include <lib9.h>
+#include <libsec.h>
+
+#pragma	varargck	type	"M"	uchar*
+
+static int
+digestfmt(Fmt *fmt)
+{
+	char buf[MD5dlen*2+1];
+	uchar *p;
+	int i;
+
+	p = va_arg(fmt->args, uchar*);
+	for(i=0; i<MD5dlen; i++)
+		sprint(buf+2*i, "%.2ux", p[i]);
+	return fmtstrcpy(fmt, buf);
+}
+
+static void
+sum(int fd, char *name)
+{
+	int n;
+	uchar buf[8192], digest[MD5dlen];
+	DigestState *s;
+
+	s = md5(nil, 0, nil, nil);
+	while((n = read(fd, buf, sizeof buf)) > 0)
+		md5(buf, n, nil, s);
+	md5(nil, 0, digest, s);
+	if(name == nil)
+		print("%M\n", digest);
+	else
+		print("%M\t%s\n", digest, name);
+}
+
+void
+main(int argc, char *argv[])
+{
+	int i, fd;
+
+	ARGBEGIN{
+	default:
+		fprint(2, "usage: md5sum [file...]\n");
+		exits("usage");
+	}ARGEND
+
+	fmtinstall('M', digestfmt);
+
+	if(argc == 0)
+		sum(0, nil);
+	else for(i = 0; i < argc; i++){
+		fd = open(argv[i], OREAD);
+		if(fd < 0){
+			fprint(2, "md5sum: can't open %s: %r\n", argv[i]);
+			continue;
+		}
+		sum(fd, argv[i]);
+		close(fd);
+	}
+	exits(nil);
+}
diff --git a/utils/md5sum/mkfile b/utils/md5sum/mkfile
new file mode 100644
index 00000000..462a91ee
--- /dev/null
+++ b/utils/md5sum/mkfile
@@ -0,0 +1,19 @@
+<../../mkconfig
+
+#
+#	the md5sum command is needed for the test suite
+#
+
+TARG=md5sum
+
+OFILES=	md5sum.$O\
+
+
+HFILES= 
+
+LIBS=9 sec
+
+BIN=$ROOT/$OBJDIR/bin
+
+<$ROOT/mkfiles/mkone-$SHELLTYPE
+