Displays a message that an account is not available and exits non-zero. It is intended as a replacement shell field for accounts that have been disabled.
If the file /etc/nologin.txt exists, displays its contents to the user instead of the default message. login_main - 108 +108 .rodata 101552 101625 +73 packed_usage 23057 23072 +15 applet_names 1882 1890 +8 applet_main 1140 1144 +4 bbconfig_config_bz2 5214 5217 +3 applet_nameofs 570 572 +2 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 6/0 up/down: 213/0) Total: 213 bytes text data bss dec hex filename 888199 6311 4712 899222 db896 busybox_old 888436 6315 4712 899463 db987 busybox_unstripped Signed-off-by: Natanael Copa <[email protected]> --- loginutils/nologin.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 files changed, 40 insertions(+), 0 deletions(-) create mode 100644 loginutils/nologin.c diff --git a/loginutils/nologin.c b/loginutils/nologin.c new file mode 100644 index 0000000..6ed9b6d --- /dev/null +++ b/loginutils/nologin.c @@ -0,0 +1,40 @@ +/* vi: set sw=4 ts=4: */ +/* + * nologin implementation for busybox + * + * Licensed under GPLv2 or later, see file LICENSE in this source tree. + */ + +//config:config NOLOGIN +//config: bool "nologin" +//config: default n +//config: help +//config: displays a message that an account is not available and +//config: exits non-zero. It is intended as a replacement shell field +//config: for accounts that have been disabled. +//config: +//config: If the file /etc/nologin.txt exists, displays its contents +//config: to the user instead of the default message. + +//applet:IF_NOLOGIN(APPLET(nologin, BB_DIR_SBIN, BB_SUID_DROP)) +//kbuild:lib-$(CONFIG_NOLOGIN) += nologin.o + +//usage:#define nologin_trivial_usage +//usage: "" +//usage:#define nologin_full_usage "\n\n" +//usage: "politely refuse a login\n" + +#include "libbb.h" + +int nologin_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int nologin_main(int argc UNUSED_PARAM, char **argv) +{ + int fd; + fd = open("/etc/nologin.txt", O_RDONLY); + if (bb_copyfd_eof(fd, STDOUT_FILENO) == -1) + bb_error_msg_and_die("This account is not available"); + if (ENABLE_FEATURE_CLEAN_UP) + close(fd); + return 1; +} + -- 1.7.7.2 _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
