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40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini whoami implementation for busybox
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*
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* Copyright (C) 2000 Edward Betts <edward@debian.org>.
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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 WHOAMI
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//config: bool "whoami (3.5 kb)"
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//config: default y
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//config: help
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//config: whoami is used to print the username of the current
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//config: user id (same as id -un).
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//applet:IF_WHOAMI(APPLET_NOFORK(whoami, whoami, BB_DIR_USR_BIN, BB_SUID_DROP, whoami))
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//kbuild:lib-$(CONFIG_WHOAMI) += whoami.o
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/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
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//usage:#define whoami_trivial_usage
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//usage: ""
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//usage:#define whoami_full_usage "\n\n"
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//usage: "Print the user name associated with the current effective user id"
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#include "libbb.h"
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int whoami_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int whoami_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
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{
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if (argv[1])
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bb_show_usage();
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/* Will complain and die if username not found */
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puts(xuid2uname(geteuid()));
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return fflush_all();
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}
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