139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/*-
|
|
* Copyright (c) 2010 Ed Schouten <ed@FreeBSD.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/endian.h>
|
|
#include <sys/param.h>
|
|
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <utmpx.h>
|
|
|
|
#include "../../lib/libc/gen/utxdb.h"
|
|
|
|
struct outmp {
|
|
char ut_line[8];
|
|
char ut_user[16];
|
|
char ut_host[16];
|
|
int32_t ut_time;
|
|
};
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
|
|
fprintf(stderr, "usage: wtmpcvt input output\n");
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
outmp_to_futx(const struct outmp *ui, struct futx *uo)
|
|
{
|
|
|
|
memset(uo, 0, sizeof *uo);
|
|
#define COPY_STRING(field) do { \
|
|
strncpy(uo->fu_ ## field, ui->ut_ ## field, \
|
|
MIN(sizeof uo->fu_ ## field, sizeof ui->ut_ ## field)); \
|
|
} while (0)
|
|
#define COPY_LINE_TO_ID() do { \
|
|
strncpy(uo->fu_id, ui->ut_line, \
|
|
MIN(sizeof uo->fu_id, sizeof ui->ut_line)); \
|
|
} while (0)
|
|
#define MATCH(field, value) (strncmp(ui->ut_ ## field, (value), \
|
|
sizeof(ui->ut_ ## field)) == 0)
|
|
if (MATCH(user, "reboot") && MATCH(line, "~"))
|
|
uo->fu_type = BOOT_TIME;
|
|
else if (MATCH(user, "date") && MATCH(line, "|"))
|
|
uo->fu_type = OLD_TIME;
|
|
else if (MATCH(user, "date") && MATCH(line, "{"))
|
|
uo->fu_type = NEW_TIME;
|
|
else if (MATCH(user, "shutdown") && MATCH(line, "~"))
|
|
uo->fu_type = SHUTDOWN_TIME;
|
|
else if (MATCH(user, "") && MATCH(host, "") && !MATCH(line, "")) {
|
|
uo->fu_type = DEAD_PROCESS;
|
|
COPY_LINE_TO_ID();
|
|
} else if (!MATCH(user, "") && !MATCH(line, "") && ui->ut_time != 0) {
|
|
uo->fu_type = USER_PROCESS;
|
|
COPY_STRING(user);
|
|
COPY_STRING(line);
|
|
COPY_STRING(host);
|
|
COPY_LINE_TO_ID();
|
|
} else {
|
|
uo->fu_type = EMPTY;
|
|
return;
|
|
}
|
|
#undef COPY_STRING
|
|
#undef COPY_LINE_TO_ID
|
|
#undef MATCH
|
|
|
|
/* Timestamp conversion. XXX: Assumes host byte order! */
|
|
uo->fu_tv = htobe64((uint64_t)ui->ut_time * 1000000);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
FILE *in, *out;
|
|
struct outmp ui;
|
|
struct futx uo;
|
|
size_t l;
|
|
uint16_t lo;
|
|
|
|
if (argc != 3)
|
|
usage();
|
|
|
|
/* Open files. */
|
|
in = fopen(argv[1], "r");
|
|
if (in == NULL)
|
|
err(1, "%s", argv[1]);
|
|
out = fopen(argv[2], "w");
|
|
if (out == NULL)
|
|
err(1, "%s", argv[2]);
|
|
|
|
/* Process entries. */
|
|
while (fread(&ui, sizeof ui, 1, in) == 1) {
|
|
outmp_to_futx(&ui, &uo);
|
|
if (uo.fu_type == EMPTY)
|
|
continue;
|
|
|
|
/* Write new entry to output file. */
|
|
for (l = sizeof uo; l > 0 &&
|
|
((const char *)&uo)[l - 1] == '\0'; l--);
|
|
lo = htobe16(l);
|
|
fwrite(&lo, sizeof lo, 1, out);
|
|
fwrite(&uo, l, 1, out);
|
|
}
|
|
|
|
fclose(in);
|
|
fclose(out);
|
|
return (0);
|
|
}
|