mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-26 02:20:51 +01:00
fdafd315ad
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
362 lines
8.4 KiB
C
362 lines
8.4 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2003, 2005 Ryuichiro Imura
|
|
* 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/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/iconv.h>
|
|
|
|
#include "iconv_converter_if.h"
|
|
|
|
/*
|
|
* "XLAT16" converter
|
|
*/
|
|
|
|
#ifdef MODULE_DEPEND
|
|
MODULE_DEPEND(iconv_xlat16, libiconv, 2, 2, 2);
|
|
#endif
|
|
|
|
#define C2I1(c) ((c) & 0x8000 ? ((c) & 0xff) | 0x100 : (c) & 0xff)
|
|
#define C2I2(c) ((c) & 0x8000 ? ((c) >> 8) & 0x7f : ((c) >> 8) & 0xff)
|
|
|
|
/*
|
|
* XLAT16 converter instance
|
|
*/
|
|
struct iconv_xlat16 {
|
|
KOBJ_FIELDS;
|
|
uint32_t * d_table[0x200];
|
|
void * f_ctp;
|
|
void * t_ctp;
|
|
struct iconv_cspair * d_csp;
|
|
};
|
|
|
|
static int
|
|
iconv_xlat16_open(struct iconv_converter_class *dcp,
|
|
struct iconv_cspair *csp, struct iconv_cspair *cspf, void **dpp)
|
|
{
|
|
struct iconv_xlat16 *dp;
|
|
uint32_t *headp, **idxp;
|
|
int i;
|
|
|
|
dp = (struct iconv_xlat16 *)kobj_create((struct kobj_class*)dcp, M_ICONV, M_WAITOK);
|
|
headp = (uint32_t *)((caddr_t)csp->cp_data + sizeof(dp->d_table));
|
|
idxp = (uint32_t **)csp->cp_data;
|
|
for (i = 0 ; i < 0x200 ; i++) {
|
|
if (*idxp) {
|
|
dp->d_table[i] = headp;
|
|
headp += 0x80;
|
|
} else {
|
|
dp->d_table[i] = NULL;
|
|
}
|
|
idxp++;
|
|
}
|
|
|
|
if (strcmp(csp->cp_to, KICONV_WCTYPE_NAME) != 0) {
|
|
if (iconv_open(KICONV_WCTYPE_NAME, csp->cp_from, &dp->f_ctp) != 0)
|
|
dp->f_ctp = NULL;
|
|
if (iconv_open(KICONV_WCTYPE_NAME, csp->cp_to, &dp->t_ctp) != 0)
|
|
dp->t_ctp = NULL;
|
|
} else {
|
|
dp->f_ctp = dp->t_ctp = dp;
|
|
}
|
|
|
|
dp->d_csp = csp;
|
|
csp->cp_refcount++;
|
|
*dpp = (void*)dp;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
iconv_xlat16_close(void *data)
|
|
{
|
|
struct iconv_xlat16 *dp = data;
|
|
|
|
if (dp->f_ctp && dp->f_ctp != data)
|
|
iconv_close(dp->f_ctp);
|
|
if (dp->t_ctp && dp->t_ctp != data)
|
|
iconv_close(dp->t_ctp);
|
|
dp->d_csp->cp_refcount--;
|
|
kobj_delete((struct kobj*)data, M_ICONV);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
iconv_xlat16_conv(void *d2p, const char **inbuf,
|
|
size_t *inbytesleft, char **outbuf, size_t *outbytesleft,
|
|
int convchar, int casetype)
|
|
{
|
|
struct iconv_xlat16 *dp = (struct iconv_xlat16*)d2p;
|
|
const char *src;
|
|
char *dst;
|
|
int nullin, ret = 0;
|
|
size_t in, on, ir, or, inlen;
|
|
uint32_t code;
|
|
u_char u, l;
|
|
uint16_t c1, c2, ctmp;
|
|
|
|
if (inbuf == NULL || *inbuf == NULL || outbuf == NULL || *outbuf == NULL)
|
|
return (0);
|
|
ir = in = *inbytesleft;
|
|
or = on = *outbytesleft;
|
|
src = *inbuf;
|
|
dst = *outbuf;
|
|
|
|
while(ir > 0 && or > 0) {
|
|
inlen = 0;
|
|
code = 0;
|
|
|
|
c1 = ir > 1 ? *(src+1) & 0xff : 0;
|
|
c2 = *src & 0xff;
|
|
ctmp = 0;
|
|
|
|
c1 = c2 & 0x80 ? c1 | 0x100 : c1;
|
|
c2 = c2 & 0x80 ? c2 & 0x7f : c2;
|
|
|
|
if (ir > 1 && dp->d_table[c1] && dp->d_table[c1][c2]) {
|
|
/*
|
|
* inbuf char is a double byte char
|
|
*/
|
|
inlen = 2;
|
|
|
|
/* toupper,tolower */
|
|
if (casetype == KICONV_FROM_LOWER && dp->f_ctp)
|
|
ctmp = towlower(((u_char)*src << 8) | (u_char)*(src + 1),
|
|
dp->f_ctp);
|
|
else if (casetype == KICONV_FROM_UPPER && dp->f_ctp)
|
|
ctmp = towupper(((u_char)*src << 8) | (u_char)*(src + 1),
|
|
dp->f_ctp);
|
|
if (ctmp) {
|
|
c1 = C2I1(ctmp);
|
|
c2 = C2I2(ctmp);
|
|
}
|
|
}
|
|
|
|
if (inlen == 0) {
|
|
c1 &= 0xff00;
|
|
if (!dp->d_table[c1]) {
|
|
ret = -1;
|
|
break;
|
|
}
|
|
/*
|
|
* inbuf char is a single byte char
|
|
*/
|
|
inlen = 1;
|
|
|
|
if (casetype & (KICONV_FROM_LOWER|KICONV_FROM_UPPER))
|
|
code = dp->d_table[c1][c2];
|
|
|
|
if (casetype == KICONV_FROM_LOWER) {
|
|
if (dp->f_ctp)
|
|
ctmp = towlower((u_char)*src, dp->f_ctp);
|
|
else if (code & XLAT16_HAS_FROM_LOWER_CASE)
|
|
ctmp = (u_char)(code >> 16);
|
|
} else if (casetype == KICONV_FROM_UPPER) {
|
|
if (dp->f_ctp)
|
|
ctmp = towupper((u_char)*src, dp->f_ctp);
|
|
else if (code & XLAT16_HAS_FROM_UPPER_CASE)
|
|
ctmp = (u_char)(code >> 16);
|
|
}
|
|
if (ctmp) {
|
|
c1 = C2I1(ctmp << 8);
|
|
c2 = C2I2(ctmp << 8);
|
|
}
|
|
}
|
|
|
|
code = dp->d_table[c1][c2];
|
|
if (!code) {
|
|
ret = -1;
|
|
break;
|
|
}
|
|
|
|
nullin = (code & XLAT16_ACCEPT_NULL_IN) ? 1 : 0;
|
|
if (inlen == 1 && nullin) {
|
|
/*
|
|
* XLAT16_ACCEPT_NULL_IN requires inbuf has 2byte
|
|
*/
|
|
ret = -1;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* now start translation
|
|
*/
|
|
u = (u_char)(code >> 8);
|
|
l = (u_char)code;
|
|
|
|
#ifdef XLAT16_ACCEPT_3BYTE_CHR
|
|
if (code & XLAT16_IS_3BYTE_CHR) {
|
|
if (or < 3) {
|
|
ret = -1;
|
|
break;
|
|
}
|
|
*dst++ = u;
|
|
*dst++ = l;
|
|
*dst++ = (u_char)(code >> 16);
|
|
or -= 3;
|
|
} else
|
|
#endif
|
|
if (u || code & XLAT16_ACCEPT_NULL_OUT) {
|
|
if (or < 2) {
|
|
ret = -1;
|
|
break;
|
|
}
|
|
|
|
/* toupper,tolower */
|
|
if (casetype == KICONV_LOWER && dp->t_ctp) {
|
|
code = towlower((uint16_t)code, dp->t_ctp);
|
|
u = (u_char)(code >> 8);
|
|
l = (u_char)code;
|
|
}
|
|
if (casetype == KICONV_UPPER && dp->t_ctp) {
|
|
code = towupper((uint16_t)code, dp->t_ctp);
|
|
u = (u_char)(code >> 8);
|
|
l = (u_char)code;
|
|
}
|
|
|
|
*dst++ = u;
|
|
*dst++ = l;
|
|
or -= 2;
|
|
} else {
|
|
/* toupper,tolower */
|
|
if (casetype == KICONV_LOWER) {
|
|
if (dp->t_ctp)
|
|
l = (u_char)towlower(l, dp->t_ctp);
|
|
else if (code & XLAT16_HAS_LOWER_CASE)
|
|
l = (u_char)(code >> 16);
|
|
}
|
|
if (casetype == KICONV_UPPER) {
|
|
if (dp->t_ctp)
|
|
l = (u_char)towupper(l, dp->t_ctp);
|
|
else if (code & XLAT16_HAS_UPPER_CASE)
|
|
l = (u_char)(code >> 16);
|
|
}
|
|
|
|
*dst++ = l;
|
|
or--;
|
|
}
|
|
|
|
if (inlen == 2) {
|
|
/*
|
|
* there is a case that inbuf char is a single
|
|
* byte char while inlen == 2
|
|
*/
|
|
if ((u_char)*(src+1) == '\0' && !nullin ) {
|
|
src++;
|
|
ir--;
|
|
} else {
|
|
src += 2;
|
|
ir -= 2;
|
|
}
|
|
} else {
|
|
src++;
|
|
ir--;
|
|
}
|
|
|
|
if (convchar == 1)
|
|
break;
|
|
}
|
|
|
|
*inbuf += in - ir;
|
|
*outbuf += on - or;
|
|
*inbytesleft -= in - ir;
|
|
*outbytesleft -= on - or;
|
|
return (ret);
|
|
}
|
|
|
|
static const char *
|
|
iconv_xlat16_name(struct iconv_converter_class *dcp)
|
|
{
|
|
return ("xlat16");
|
|
}
|
|
|
|
static int
|
|
iconv_xlat16_tolower(void *d2p, int c)
|
|
{
|
|
struct iconv_xlat16 *dp = (struct iconv_xlat16*)d2p;
|
|
int c1, c2, out;
|
|
|
|
if (c < 0x100) {
|
|
c1 = C2I1(c << 8);
|
|
c2 = C2I2(c << 8);
|
|
} else if (c < 0x10000) {
|
|
c1 = C2I1(c);
|
|
c2 = C2I2(c);
|
|
} else
|
|
return (c);
|
|
|
|
if (dp->d_table[c1] && dp->d_table[c1][c2] & XLAT16_HAS_LOWER_CASE) {
|
|
/*return (int)(dp->d_table[c1][c2] & 0xffff);*/
|
|
out = dp->d_table[c1][c2] & 0xffff;
|
|
if ((out & 0xff) == 0)
|
|
out = (out >> 8) & 0xff;
|
|
return (out);
|
|
} else
|
|
return (c);
|
|
}
|
|
|
|
static int
|
|
iconv_xlat16_toupper(void *d2p, int c)
|
|
{
|
|
struct iconv_xlat16 *dp = (struct iconv_xlat16*)d2p;
|
|
int c1, c2, out;
|
|
|
|
if (c < 0x100) {
|
|
c1 = C2I1(c << 8);
|
|
c2 = C2I2(c << 8);
|
|
} else if (c < 0x10000) {
|
|
c1 = C2I1(c);
|
|
c2 = C2I2(c);
|
|
} else
|
|
return (c);
|
|
|
|
if (dp->d_table[c1] && dp->d_table[c1][c2] & XLAT16_HAS_UPPER_CASE) {
|
|
out = dp->d_table[c1][c2] & 0xffff;
|
|
if ((out & 0xff) == 0)
|
|
out = (out >> 8) & 0xff;
|
|
return (out);
|
|
} else
|
|
return (c);
|
|
}
|
|
|
|
static kobj_method_t iconv_xlat16_methods[] = {
|
|
KOBJMETHOD(iconv_converter_open, iconv_xlat16_open),
|
|
KOBJMETHOD(iconv_converter_close, iconv_xlat16_close),
|
|
KOBJMETHOD(iconv_converter_conv, iconv_xlat16_conv),
|
|
#if 0
|
|
KOBJMETHOD(iconv_converter_init, iconv_xlat16_init),
|
|
KOBJMETHOD(iconv_converter_done, iconv_xlat16_done),
|
|
#endif
|
|
KOBJMETHOD(iconv_converter_name, iconv_xlat16_name),
|
|
KOBJMETHOD(iconv_converter_tolower, iconv_xlat16_tolower),
|
|
KOBJMETHOD(iconv_converter_toupper, iconv_xlat16_toupper),
|
|
{0, 0}
|
|
};
|
|
|
|
KICONV_CONVERTER(xlat16, sizeof(struct iconv_xlat16));
|