#include "common.h" #include #include /* * 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; }