2002/0410/port/auth.c (diff list | history)

port/auth.c on 1993/0330
1993/0330		#include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "../port/error.h"
2001/0925		#include <authsrv.h>
1993/0330
2001/0527		char *eve;
1993/0330		char hostdomain[DOMLEN]; /* * return true if current user is eve */ int iseve(void) {
1993/0501		return strcmp(eve, up->user) == 0;
1993/0330		} long
2001/0527		sysfversion(ulong *arg)
1993/0330		{
2001/0527		char *vers;
2001/0819		uint arglen, m, msize;
1993/0330		Chan *c;
2001/0527		msize = arg[1]; vers = (char*)arg[2]; arglen = arg[3]; validaddr(arg[2], arglen, 1); /* check there's a NUL in the version string */
2001/0819		if(arglen==0 || memchr(vers, 0, arglen)==0)
2001/0527		error(Ebadarg); c = fdtochan(arg[0], ORDWR, 0, 1);
1993/0407		if(waserror()){
1997/0327		cclose(c);
1993/0330		nexterror(); }
1993/0407
2001/0819		m = mntversion(c, vers, msize, arglen);
2001/0527
1997/0327		cclose(c);
1993/0407		poperror();
2001/0527		return m;
1993/0330		}
2001/0808		long
2001/0819		sys_fsession(ulong *arg)
1993/0330		{
2001/0819		/* deprecated; backwards compatibility only */
1993/0330
2001/0819		if(arg[2] == 0) error(Ebadarg); validaddr(arg[1], arg[2], 1); ((uchar*)arg[1])[0] = '\0'; return 0; } long sysfauth(ulong *arg) { Chan *c, *ac; char *aname; int fd; validaddr(arg[1], 1, 0); aname = (char*)arg[1]; validname(aname, 0);
2001/0808		c = fdtochan(arg[0], ORDWR, 0, 1); if(waserror()){ cclose(c); nexterror(); }
2001/0819		ac = mntauth(c, aname);
2001/0527		if(waserror()){
2001/0819		cclose(ac);
2001/0527		nexterror();
1993/0330		}
2001/0819		fd = newfd(ac); if(fd < 0) error(Enofd); poperror(); /* ac */ poperror(); /* c */
1993/0330
2001/0819		/* always mark it close on exec */ ac->flag |= CCEXEC;
1993/0731
2001/0819		return fd;
1993/0731		} /*
1993/0330		* called by devcons() for user device * * anyone can become none */ long userwrite(char *a, int n) {
2002/0410		if(n!=4 || strncmp(a, "none", 4)!=0)
1993/0330		error(Eperm);
2001/0527		kstrdup(&up->user, "none");
1995/0110		up->basepri = PriNormal;
1993/0330		return n; } /* * called by devcons() for host owner/domain * * writing hostowner also sets user */ long hostownerwrite(char *a, int n) {
2001/0527		char buf[128];
1993/0330		if(!iseve()) error(Eperm);
2002/0221		if(n <= 0 || n >= sizeof buf)
1993/0330		error(Ebadarg);
2002/0221		memmove(buf, a, n); buf[n] = 0;
2001/0527
1994/1027		renameuser(eve, buf);
2001/0527		kstrdup(&eve, buf); kstrdup(&up->user, buf);
1995/0110		up->basepri = PriNormal;
1993/0330		return n; } long hostdomainwrite(char *a, int n) { char buf[DOMLEN]; if(!iseve()) error(Eperm); if(n >= DOMLEN) error(Ebadarg); memset(buf, 0, DOMLEN); strncpy(buf, a, n); if(buf[0] == 0) error(Ebadarg); memmove(hostdomain, buf, DOMLEN); return n; }