ref: 02a26802ffbd64ebf993119e1599920ffee01ef0
dir: /sys/src/cmd/auth/newns.c/
#include <u.h> #include <libc.h> #include <auth.h> extern int newnsdebug; char *defargv[] = { "/bin/rc", "-i", nil }; char *namespace = "/lib/namespace"; int add = 0; void usage(void) { fprint(2, "usage: %s [-ad] [-n namespace] [cmd [args...]]\n", argv0); exits("usage"); } void run(char **a) { exec(a[0], a); if(a[0][0] != '/' && a[0][0] != '#' && (a[0][0] != '.' || (a[0][1] != '/' && (a[0][1] != '.' || a[0][2] != '/')))) exec(smprint("/bin/%s", a[0]), a); sysfatal("exec: %s: %r", a[0]); } void main(int argc, char **argv) { ARGBEGIN{ case 'a': add = 1; break; case 'd': newnsdebug = 1; break; case 'n': namespace = EARGF(usage()); break; default: usage(); break; }ARGEND if(add){ rfork(RFNAMEG); addns(getuser(), namespace); }else newns(getuser(), namespace); if(argc == 0) argv = defargv; run(argv); }