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https://github.com/sheumann/hush.git
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71ae64bdc6
New complex patch for decrease size devel version. Requires previous patch.
Also removed small problems from dutmp and tar applets.
Also includes vodz' last_patch61_2:
Last patch correcting comment for #endif and more integrated
with libbb (very reduce size if used "cat" applet also).
Requires last_patch61 for modutils/config.in.
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
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*
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* dutmp
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* Takes utmp formated file on stdin and dumps it's contents
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* out in colon delimited fields. Easy to 'cut' for shell based
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* versions of 'who', 'last', etc. IP Addr is output in hex,
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* little endian on x86.
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*
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* Modified to support all sorts of libcs by
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* Erik Andersen <andersen@lineo.com>
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*/
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#include <sys/types.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <utmp.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include "busybox.h"
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extern int dutmp_main(int argc, char **argv)
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{
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int file;
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struct utmp ut;
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if (argc<2) {
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file = fileno(stdin);
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} else if (*argv[1] == '-' ) {
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show_usage();
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} else {
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file = open(argv[1], O_RDONLY);
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if (file < 0) {
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error_msg_and_die(io_error, argv[1]);
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}
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}
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/* Kludge around the fact that the binary format for utmp has changed. */
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#if __GNU_LIBRARY__ < 5
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/* Linux libc5 */
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while (read(file, (void*)&ut, sizeof(struct utmp))) {
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printf("%d|%d|%s|%s|%s|%s|%s|%lx\n",
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ut.ut_type, ut.ut_pid, ut.ut_line,
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ut.ut_id, ut.ut_user, ut.ut_host,
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ctime(&(ut.ut_time)),
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(long)ut.ut_addr);
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}
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#else
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/* Glibc, uClibc, etc. */
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while (read(file, (void*)&ut, sizeof(struct utmp))) {
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printf("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n",
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ut.ut_type, ut.ut_pid, ut.ut_line,
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ut.ut_id, ut.ut_user, ut.ut_host,
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ut.ut_exit.e_termination, ut.ut_exit.e_exit,
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ut.ut_session,
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ut.ut_tv.tv_sec, ut.ut_tv.tv_usec,
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ut.ut_addr);
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}
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#endif
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return EXIT_SUCCESS;
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}
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