diff options
Diffstat (limited to 'toys')
-rw-r--r-- | toys/other/login.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/toys/other/login.c b/toys/other/login.c index 7f9559aa..76e1f345 100644 --- a/toys/other/login.c +++ b/toys/other/login.c @@ -28,8 +28,7 @@ config LOGIN #include "toys.h" GLOBALS( - char *hostname; - char *username; + char *h, *f; int login_timeout, login_fail_timeout; ) @@ -47,7 +46,7 @@ void login_main(void) "LD_TRACE_LOADED_OBJECTS", "LD_BIND_NOW", "LD_AOUT_LIBRARY_PATH", "LD_AOUT_PRELOAD", "LD_NOWARN", "LD_KEEPDIR", "SHELL" }; - int hh = toys.optflags&FLAG_h, count, tty; + int hh = FLAG(h), count, tty; char uu[33], *username, *pass = 0, *ss; struct passwd *pwd = 0; @@ -59,7 +58,7 @@ void login_main(void) openlog("login", LOG_PID | LOG_CONS, LOG_AUTH); xsignal(SIGALRM, login_timeout_handler); - if (TT.username) username = TT.username; + if (TT.f) username = TT.f; else username = *toys.optargs; for (count = 0; count < 3; count++) { alarm(TT.login_timeout = 60); @@ -88,7 +87,7 @@ void login_main(void) if (pwd && *pwd->pw_passwd != '!' && *pwd->pw_passwd != '*') { // Pre-authenticated or passwordless - if (TT.username || !*pwd->pw_passwd) break; + if (TT.f || !*pwd->pw_passwd) break; // fetch shadow password if necessary if (*(pass = pwd->pw_passwd) == 'x') { @@ -96,7 +95,7 @@ void login_main(void) if (spwd) pass = spwd->sp_pwdp; } - } else if (TT.username) error_exit("bad -f '%s'", TT.username); + } else if (TT.f) error_exit("bad -f '%s'", TT.f); // Verify password. (Prompt for password _before_ checking disable state.) if (!read_password(toybuf, sizeof(toybuf), "Password: ")) { @@ -108,7 +107,7 @@ void login_main(void) } syslog(LOG_WARNING, "invalid password for '%s' on %s %s%s", pwd->pw_name, - ttyname(tty), hh ? "from " : "", hh ? TT.hostname : ""); + ttyname(tty), hh ? "from " : "", hh ? TT.h : ""); sleep(3); puts("Login incorrect"); @@ -134,11 +133,13 @@ void login_main(void) return; } + if (fchown(tty, pwd->pw_uid, pwd->pw_gid) || fchmod(tty, 0600)) + printf("can't claim tty"); xsetuser(pwd); if (chdir(pwd->pw_dir)) printf("bad $HOME: %s\n", pwd->pw_dir); - if (!(toys.optflags&FLAG_p)) { + if (!FLAG(p)) { char *term = getenv("TERM"); clearenv(); @@ -157,7 +158,7 @@ void login_main(void) } syslog(LOG_INFO, "%s logged in on %s %s %s", pwd->pw_name, - ttyname(tty), hh ? "from" : "", hh ? TT.hostname : ""); + ttyname(tty), hh ? "from" : "", hh ? TT.h : ""); // not using xexec(), login calls absolute path from filesystem so must exec() execl(pwd->pw_shell, xmprintf("-%s", pwd->pw_shell), (char *)0); |