plan9fox/sys/src/cmd/upas/common/become.c
2011-03-30 19:35:09 +03:00

29 lines
430 B
C

#include "common.h"
#include <auth.h>
#include <ndb.h>
/*
* become powerless user
*/
int
become(char **cmd, char *who)
{
int fd;
USED(cmd);
if(strcmp(who, "none") == 0) {
fd = open("#c/user", OWRITE);
if(fd < 0 || write(fd, "none", strlen("none")) < 0) {
werrstr("can't become none");
return -1;
}
close(fd);
if(newns("none", 0)) {
werrstr("can't set new namespace");
return -1;
}
}
return 0;
}