Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <bio.h>
#include <auth.h>

/*
 * called by listen as rexexec rexexec net dir ...
 */
void
main(int argc, char **argv)
{
        char buf[8192];
        int n, nn;
        AuthInfo *ai;

        ARGBEGIN{
        }ARGEND;

        ai = auth_proxy(0, auth_getkey, "proto=p9any role=server");
        if(ai == nil)
                sysfatal("auth_proxy: %r");
        if(strcmp(ai->cuid, "none") == 0)
                sysfatal("rexexec by none disallowed");
        if(auth_chuid(ai, nil) < 0)
                sysfatal("auth_chuid: %r");

        n = 0;
        do {
                nn = read(0, buf+n, 1);
                if(nn <= 0)
                        sysfatal("can't read command");
                n += nn;
                if(n == sizeof buf)
                        buf[n-1] = '\0';
        } while (buf[n-1] != '\0');

        putenv("service", "rx");
        execl("/bin/rc", "rc", "-lc", buf, nil);
        sysfatal("can't exec rc");
}