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- #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");
- }
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