1 c9ed5273 2014-11-17 rsc #include <u.h>
2 c9ed5273 2014-11-17 rsc #include <libc.h>
3 c9ed5273 2014-11-17 rsc #include <bio.h>
4 c9ed5273 2014-11-17 rsc #include <libsec.h>
7 c9ed5273 2014-11-17 rsc digestfmt(Fmt *fmt)
9 c9ed5273 2014-11-17 rsc char buf[MD5dlen*2+1];
13 c9ed5273 2014-11-17 rsc p = va_arg(fmt->args, uchar*);
14 c9ed5273 2014-11-17 rsc for(i=0; i<MD5dlen; i++)
15 c9ed5273 2014-11-17 rsc sprint(buf+2*i, "%.2ux", p[i]);
16 c9ed5273 2014-11-17 rsc return fmtstrcpy(fmt, buf);
20 c9ed5273 2014-11-17 rsc sum(int fd, char *name)
23 c9ed5273 2014-11-17 rsc uchar buf[8192], digest[MD5dlen];
24 c9ed5273 2014-11-17 rsc DigestState *s;
26 c9ed5273 2014-11-17 rsc s = md5(nil, 0, nil, nil);
27 c9ed5273 2014-11-17 rsc while((n = read(fd, buf, sizeof buf)) > 0)
28 c9ed5273 2014-11-17 rsc md5(buf, n, nil, s);
29 c9ed5273 2014-11-17 rsc md5(nil, 0, digest, s);
30 c9ed5273 2014-11-17 rsc if(name == nil)
31 c9ed5273 2014-11-17 rsc print("%M\n", digest);
33 c9ed5273 2014-11-17 rsc print("%M\t%s\n", digest, name);
37 c9ed5273 2014-11-17 rsc main(int argc, char *argv[])
43 c9ed5273 2014-11-17 rsc fprint(2, "usage: md5sum [file...]\n");
44 c9ed5273 2014-11-17 rsc exits("usage");
47 c9ed5273 2014-11-17 rsc fmtinstall('M', digestfmt);
49 c9ed5273 2014-11-17 rsc if(argc == 0)
51 c9ed5273 2014-11-17 rsc else for(i = 0; i < argc; i++){
52 c9ed5273 2014-11-17 rsc fd = open(argv[i], OREAD);
54 c9ed5273 2014-11-17 rsc fprint(2, "md5sum: can't open %s: %r\n", argv[i]);
57 c9ed5273 2014-11-17 rsc sum(fd, argv[i]);