diff options
author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
---|---|---|
committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
commit | 008d0be72b2f160382c6e880765e96b64a050c65 (patch) | |
tree | 36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/router/busybox/coreutils/logname.c | |
parent | 611becfb8726c60cb060368541ad98191d4532f5 (diff) | |
download | tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2 |
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/router/busybox/coreutils/logname.c')
-rw-r--r-- | release/src/router/busybox/coreutils/logname.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/release/src/router/busybox/coreutils/logname.c b/release/src/router/busybox/coreutils/logname.c new file mode 100644 index 00000000..9cedff02 --- /dev/null +++ b/release/src/router/busybox/coreutils/logname.c @@ -0,0 +1,55 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini logname implementation for busybox + * + * Copyright (C) 2000 Edward Betts <edward@debian.org>. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/* BB_AUDIT SUSv3 compliant */ +/* http://www.opengroup.org/onlinepubs/007904975/utilities/logname.html */ + +/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) + * + * SUSv3 specifies the string used is that returned from getlogin(). + * The previous implementation used getpwuid() for geteuid(), which + * is _not_ the same. Erik apparently made this change almost 3 years + * ago to avoid failing when no utmp was available. However, the + * correct course of action wrt SUSv3 for a failing getlogin() is + * a dianostic message and an error return. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include "busybox.h" + +extern int logname_main(int argc, char **argv) +{ + const char *p; + + if (argc > 1) { + bb_show_usage(); + } + + if ((p = getlogin()) != NULL) { + puts(p); + bb_fflush_stdout_and_exit(EXIT_SUCCESS); + } + + bb_perror_msg_and_die("getlogin"); +} |