/*	$OpenBSD: print.c,v 1.16 2009/10/27 23:59:37 deraadt Exp $ */
/*
 * 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 <rz_userconf.h>

#if !USE_LIB_MAGIC

#include "file.h"
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <time.h>

#define SZOF(a) (sizeof(a) / sizeof(a[0]))

#ifndef COMPILE_ONLY
void file_mdump(struct rz_magic *m) {
	static const char optyp[] = { FILE_OPS };
	char pp[ASCTIME_BUF_MINLEN];

	(void)eprintf("[%u", m->lineno);
	(void)eprintf("%.*s %u", m->cont_level & 7, ">>>>>>>>", m->offset);

	if (m->flag & INDIR) {
		(void)eprintf("(%s,",
			/* Note: type is unsigned */
			(m->in_type < file_nnames) ? magic_file_names[m->in_type] : "*bad*");
		if (m->in_op & FILE_OPINVERSE)
			(void)fputc('~', stderr);
		(void)eprintf("%c%u),",
			((m->in_op & FILE_OPS_MASK) < SZOF(optyp)) ? optyp[m->in_op & FILE_OPS_MASK] : '?',
			m->in_offset);
	}
	(void)eprintf(" %s%s", (m->flag & UNSIGNED) ? "u" : "",
		/* Note: type is unsigned */
		(m->type < file_nnames) ? magic_file_names[m->type] : "*bad*");
	if (m->mask_op & FILE_OPINVERSE)
		(void)fputc('~', stderr);

	if (MAGIC_IS_STRING(m->type)) {
		if (m->str_flags) {
			(void)fputc('/', stderr);
			if (m->str_flags & STRING_COMPACT_BLANK)
				(void)fputc(CHAR_COMPACT_BLANK, stderr);
			if (m->str_flags & STRING_COMPACT_OPTIONAL_BLANK)
				(void)fputc(CHAR_COMPACT_OPTIONAL_BLANK,
					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_range)
			(void)eprintf("/%u", m->str_range);
	} else {
		if ((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)eprintf("%08" PFMT64x, (ut64)m->num_mask);
	}
	(void)eprintf(",%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)eprintf("%d", m->value.l);
			break;
		case FILE_BEQUAD:
		case FILE_LEQUAD:
		case FILE_QUAD:
			(void)eprintf("%" PFMT64d, (ut64)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)eprintf("%s,",
				file_fmttime(m->value.l, 1, pp));
			break;
		case FILE_LDATE:
		case FILE_LELDATE:
		case FILE_BELDATE:
		case FILE_MELDATE:
			(void)eprintf("%s,",
				file_fmttime(m->value.l, 0, pp));
			break;
		case FILE_QDATE:
		case FILE_LEQDATE:
		case FILE_BEQDATE:
			(void)eprintf("%s,",
				file_fmttime((ut32)m->value.q, 1, pp));
			break;
		case FILE_QLDATE:
		case FILE_LEQLDATE:
		case FILE_BEQLDATE:
			(void)eprintf("%s,",
				file_fmttime((ut32)m->value.q, 0, pp));
			break;
		case FILE_FLOAT:
		case FILE_BEFLOAT:
		case FILE_LEFLOAT:
			(void)eprintf("%G", m->value.f);
			break;
		case FILE_DOUBLE:
		case FILE_BEDOUBLE:
		case FILE_LEDOUBLE:
			(void)eprintf("%G", m->value.d);
			break;
		case FILE_DEFAULT:
			/* XXX - do anything here? */
			break;
		default:
			(void)fputs("*bad*", stderr);
			break;
		}
	}
	(void)eprintf(",\"%s\"]\n", m->desc);
}
#endif

/*VARARGS*/
void file_magwarn(struct rz_magic_set *ms, const char *f, ...) {
	va_list va;

	/* cuz we use stdout for most, stderr here */
	(void)fflush(stdout);

	if (ms->file)
		(void)eprintf("%s, %lu: ", ms->file,
			(unsigned long)ms->line);
	(void)eprintf("Warning: ");
	va_start(va, f);
	(void)vfprintf(stderr, f, va);
	va_end(va);
	(void)fputc('\n', stderr);
}

const char *file_fmttime(ut32 v, int local, char *pp) {
	time_t t = (time_t)v;
	struct tm *tm;
	struct tm timestruct;

	if (local) {
		rz_ctime_r(&t, pp);
	} else {
#ifndef HAVE_DAYLIGHT
		static int daylight = 0;
#ifdef HAVE_TM_ISDST
		static time_t now = (time_t)0;

		if (now == (time_t)0) {
			struct tm *tm1;
			(void)time(&now);
			tm1 = localtime(&now);
			if (!tm1)
				return "*Invalid time*";
			daylight = tm1->tm_isdst;
		}
#endif /* HAVE_TM_ISDST */
#endif /* HAVE_DAYLIGHT */
		if (daylight)
			t += 3600;
		tm = gmtime_r(&t, &timestruct);
		if (!tm)
			return "*Invalid time*";
		rz_asctime_r(tm, pp);
	}

	pp[strcspn(pp, "\n")] = '\0';
	return pp;
}
#endif
