Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <auth.h>
#include <mp.h>
#include <libsec.h>
#include "rsa2any.h"

void
usage(void)
{
        fprint(2, "usage: auth/dsa2ssh [-c comment] [file]\n");
        exits("usage");
}

void
main(int argc, char **argv)
{
        DSApriv *k;
        char *comment;
        uchar buf[8192], *p;
        
        fmtinstall('B', mpfmt);
        fmtinstall('[', encodefmt);
        comment = "";
        ARGBEGIN{
        case 'c':
                comment = EARGF(usage());
                break;
        default:
                usage();
        }ARGEND

        if(argc > 1)
                usage();

        if((k = getdsakey(argc, argv, 0, nil)) == nil)
                sysfatal("%r");

        p = buf;
        p = put4(p, 7);
        p = putn(p, "ssh-dss", 7);
        p = putmp2(p, k->pub.p);
        p = putmp2(p, k->pub.q);
        p = putmp2(p, k->pub.alpha);
        p = putmp2(p, k->pub.key);
        print("ssh-dss %.*[ %s\n", (int)(p - buf), buf, comment);
        exits(nil);
}