39 lines
981 B
C
39 lines
981 B
C
/* vi: set sw=4 ts=4: */
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/*
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* nologin implementation for busybox
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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//config:config NOLOGIN
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//config: bool "nologin"
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//config: default n
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//config: help
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//config: nologin is a tool that is supposed to be the shell for user accounts
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//config: that are not supposed to login.
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//applet:IF_NOLOGIN(APPLET(nologin, BB_DIR_SBIN, BB_SUID_DROP))
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//kbuild:lib-$(CONFIG_NOLOGIN) += nologin.o
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//usage:#define nologin_trivial_usage
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//usage: ""
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//usage:#define nologin_full_usage "\n\n"
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//usage: "politely refuse a login\n"
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#include "libbb.h"
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#include <syslog.h>
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#define _NOLOGIN_TXT "/etc/nologin.txt"
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int nologin_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int nologin_main(int argc UNUSED_PARAM, char **argv)
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{
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int fd;
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fd = open(_NOLOGIN_TXT, O_RDONLY);
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if (bb_copyfd_eof(fd, STDOUT_FILENO) == -1)
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bb_error_msg_and_die("this account is not available");
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close(fd);
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return 1;
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}
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