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/*
* Copyright (c) Ian F. Darwin 1986-1995.
* Software written by Ian F. Darwin and others;
* maintained 1995-present by Christos Zoulas and others.
*
* 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 immediately at the beginning of the file, without modification,
* 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.
*/
/*
* print.c - debugging printout routines
*/
#include "file.h"
#ifndef lint
FILE_RCSID("@(#)$File: print.c,v 1.71 2011/09/20 15:28:09 christos Exp $")
#endif /* lint */
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <time.h>
#define SZOF(a) (sizeof(a) / sizeof(a[0]))
#ifndef COMPILE_ONLY
protected void
file_mdump(struct magic *m)
{
private const char optyp[] = { FILE_OPS };
(void) fprintf(stderr, "%u: %.*s %u", m->lineno,
(m->cont_level & 7) + 1, ">>>>>>>>", m->offset);
if (m->flag & INDIR) {
(void) fprintf(stderr, "(%s,",
/* Note: type is unsigned */
(m->in_type < file_nnames) ?
file_names[m->in_type] : "*bad*");
if (m->in_op & FILE_OPINVERSE)
(void) fputc('~', stderr);
(void) fprintf(stderr, "%c%u),",
((size_t)(m->in_op & FILE_OPS_MASK) <
SZOF(optyp)) ?
optyp[m->in_op & FILE_OPS_MASK] : '?',
m->in_offset);
}
(void) fprintf(stderr, " %s%s", (m->flag & UNSIGNED) ? "u" : "",
/* Note: type is unsigned */
(m->type < file_nnames) ? file_names[m->type] : "*bad*");
if (m->mask_op & FILE_OPINVERSE)
(void) fputc('~', stderr);
if (IS_STRING(m->type)) {
if (m->str_flags) {
(void) fputc('/', stderr);
if (m->str_flags & STRING_COMPACT_WHITESPACE)
(void) fputc(CHAR_COMPACT_WHITESPACE, stderr);
if (m->str_flags & STRING_COMPACT_OPTIONAL_WHITESPACE)
(void) fputc(CHAR_COMPACT_OPTIONAL_WHITESPACE,
stderr);
if (m->str_flags & STRING_IGNORE_LOWERCASE)
(void) fputc(CHAR_IGNORE_LOWERCASE, stderr);
if (m->str_flags & STRING_IGNORE_UPPERCASE)
(void) fputc(CHAR_IGNORE_UPPERCASE, stderr);
if (m->str_flags & REGEX_OFFSET_START)
(void) fputc(CHAR_REGEX_OFFSET_START, stderr);
if (m->str_flags & STRING_TEXTTEST)
(void) fputc(CHAR_TEXTTEST, stderr);
if (m->str_flags & STRING_BINTEST)
(void) fputc(CHAR_BINTEST, stderr);
if (m->str_flags & PSTRING_1_BE)
(void) fputc(CHAR_PSTRING_1_BE, stderr);
if (m->str_flags & PSTRING_2_BE)
(void) fputc(CHAR_PSTRING_2_BE, stderr);
if (m->str_flags & PSTRING_2_LE)
(void) fputc(CHAR_PSTRING_2_LE, stderr);
if (m->str_flags & PSTRING_4_BE)
(void) fputc(CHAR_PSTRING_4_BE, stderr);
if (m->str_flags & PSTRING_4_LE)
(void) fputc(CHAR_PSTRING_4_LE, stderr);
if (m->str_flags & PSTRING_LENGTH_INCLUDES_ITSELF)
(void) fputc(
CHAR_PSTRING_LENGTH_INCLUDES_ITSELF,
stderr);
}
if (m->str_range)
(void) fprintf(stderr, "/%u", m->str_range);
}
else {
if ((size_t)(m->mask_op & FILE_OPS_MASK) < SZOF(optyp))
(void) fputc(optyp[m->mask_op & FILE_OPS_MASK], stderr);
else
(void) fputc('?', stderr);
if (m->num_mask) {
(void) fprintf(stderr, "%.8llx",
(unsigned long long)m->num_mask);
}
}
(void) fprintf(stderr, ",%c", m->reln);
if (m->reln != 'x') {
switch (m->type) {
case FILE_BYTE:
case FILE_SHORT:
case FILE_LONG:
case FILE_LESHORT:
case FILE_LELONG:
case FILE_MELONG:
case FILE_BESHORT:
case FILE_BELONG:
(void) fprintf(stderr, "%d", m->value.l);
break;
case FILE_BEQUAD:
case FILE_LEQUAD:
case FILE_QUAD:
(void) fprintf(stderr, "%" INT64_T_FORMAT "d",
(unsigned long long)m->value.q);
break;
case FILE_PSTRING:
case FILE_STRING:
case FILE_REGEX:
case FILE_BESTRING16:
case FILE_LESTRING16:
case FILE_SEARCH:
file_showstr(stderr, m->value.s, (size_t)m->vallen);
break;
case FILE_DATE:
case FILE_LEDATE:
case FILE_BEDATE:
case FILE_MEDATE:
(void)fprintf(stderr, "%s,",
file_fmttime(m->value.l, 1));
break;
case FILE_LDATE:
case FILE_LELDATE:
case FILE_BELDATE:
case FILE_MELDATE:
(void)fprintf(stderr, "%s,",
file_fmttime(m->value.l, 0));
break;
case FILE_QDATE:
case FILE_LEQDATE:
case FILE_BEQDATE:
(void)fprintf(stderr, "%s,",
file_fmttime((uint32_t)m->value.q, 1));
break;
case FILE_QLDATE:
case FILE_LEQLDATE:
case FILE_BEQLDATE:
(void)fprintf(stderr, "%s,",
file_fmttime((uint32_t)m->value.q, 0));
break;
case FILE_FLOAT:
case FILE_BEFLOAT:
case FILE_LEFLOAT:
(void) fprintf(stderr, "%G", m->value.f);
break;
case FILE_DOUBLE:
case FILE_BEDOUBLE:
case FILE_LEDOUBLE:
(void) fprintf(stderr, "%G", m->value.d);
break;
case FILE_DEFAULT:
/* XXX - do anything here? */
break;
default:
(void) fputs("*bad*", stderr);
break;
}
}
(void) fprintf(stderr, ",\"%s\"]\n", m->desc);
}
#endif
/*VARARGS*/
protected void
file_magwarn(struct magic_set *ms, const char *f, ...)
{
va_list va;
/* cuz we use stdout for most, stderr here */
(void) fflush(stdout);
if (ms->file)
(void) fprintf(stderr, "%s, %lu: ", ms->file,
(unsigned long)ms->line);
(void) fprintf(stderr, "Warning: ");
va_start(va, f);
(void) vfprintf(stderr, f, va);
va_end(va);
(void) fputc('\n', stderr);
}
protected const char *
file_fmttime(uint32_t v, int local)
{
char *pp;
time_t t = (time_t)v;
struct tm *tm;
if (local) {
pp = ctime(&t);
} else {
#ifndef HAVE_DAYLIGHT
private int daylight = 0;
#ifdef HAVE_TM_ISDST
private time_t now = (time_t)0;
if (now == (time_t)0) {
struct tm *tm1;
(void)time(&now);
tm1 = localtime(&now);
if (tm1 == NULL)
goto out;
daylight = tm1->tm_isdst;
}
#endif /* HAVE_TM_ISDST */
#endif /* HAVE_DAYLIGHT */
if (daylight)
t += 3600;
tm = gmtime(&t);
if (tm == NULL)
goto out;
pp = asctime(tm);
}
if (pp == NULL)
goto out;
pp[strcspn(pp, "\n")] = '\0';
return pp;
out:
return "*Invalid time*";
}
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