Index: sys/sys/iconv.h =================================================================== RCS file: /home/ncvs/src/sys/sys/iconv.h,v retrieving revision 1.11 diff -u -r1.11 iconv.h --- sys/sys/iconv.h 3 Jul 2005 01:12:37 -0000 1.11 +++ sys/sys/iconv.h 7 Aug 2005 15:05:49 -0000 @@ -53,6 +53,7 @@ #define KICONV_FROM_UPPER 8 /* toupper source character, then convert */ #define KICONV_WCTYPE 16 /* towlower/towupper characters */ +#define ENCODING_UNICODE "UTF-16BE" #define KICONV_WCTYPE_NAME "_wctype" /* @@ -91,7 +92,6 @@ __BEGIN_DECLS -#define ENCODING_UNICODE "UTF-16BE" #define KICONV_VENDOR_MICSFT 1 /* Microsoft Vendor Code for quirk */ int kiconv_add_xlat_table(const char *, const char *, const u_char *); @@ -164,6 +164,7 @@ size_t *inbytesleft, char **outbuf, size_t *outbytesleft); int iconv_convchr_case(void *handle, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype); +int iconv_add(const char *converter, const char *to, const char *from); char* iconv_convstr(void *handle, char *dst, const char *src); void* iconv_convmem(void *handle, void *dst, const void *src, int size); int iconv_vfs_refcount(const char *fsname); Index: sys/libkern/iconv.c =================================================================== RCS file: /home/ncvs/src/sys/libkern/iconv.c,v retrieving revision 1.10 diff -u -r1.10 iconv.c --- sys/libkern/iconv.c 23 Jul 2005 16:52:57 -0000 1.10 +++ sys/libkern/iconv.c 7 Aug 2005 15:04:37 -0000 @@ -360,6 +372,18 @@ SYSCTL_PROC(_kern_iconv, OID_AUTO, cslist, CTLFLAG_RD | CTLTYPE_OPAQUE, NULL, 0, iconv_sysctl_cslist, "S,xlat", "registered charset pairs"); +int +iconv_add(const char *converter, const char *to, const char *from) +{ + struct iconv_converter_class *dcp; + struct iconv_cspair *csp; + + if (iconv_lookupconv(converter, &dcp) != 0) + return EINVAL; + + return iconv_register_cspair(to, from, dcp, NULL, &csp); +} + /* * Add new charset pair */ Index: sys/libkern/iconv_ucs.c =================================================================== RCS file: sys/libkern/iconv_ucs.c diff -N sys/libkern/iconv_ucs.c --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ sys/libkern/iconv_ucs.c 7 Aug 2005 15:10:44 -0000 @@ -0,0 +1,539 @@ +/*- + * 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include + +#include "iconv_converter_if.h" + +/* + * "UCS" converter + */ + +#define KICONV_UCS_COMBINE 0x1 +#define KICONV_UCS_FROM_UTF8 0x2 +#define KICONV_UCS_TO_UTF8 0x4 +#define KICONV_UCS_FROM_LE 0x8 +#define KICONV_UCS_TO_LE 0x10 +#define KICONV_UCS_FROM_UTF16 0x20 +#define KICONV_UCS_TO_UTF16 0x40 +#define KICONV_UCS_UCS4 0x80 + +#define ENCODING_UTF16 "UTF-16BE" +#define ENCODING_UTF8 "UTF-8" + +static struct { + const char *name; + int from_flag, to_flag; +} unicode_family[] = { + { "UTF-8", KICONV_UCS_FROM_UTF8, KICONV_UCS_TO_UTF8 }, + { "UCS-2LE", KICONV_UCS_FROM_LE, KICONV_UCS_TO_LE }, + { "UTF-16BE", KICONV_UCS_FROM_UTF16, KICONV_UCS_TO_UTF16 }, + { "UTF-16LE", KICONV_UCS_FROM_UTF16|KICONV_UCS_FROM_LE, + KICONV_UCS_TO_UTF16|KICONV_UCS_TO_LE }, + { NULL, 0, 0 } +}; + +static uint32_t utf8_to_ucs4(const char *src, size_t *utf8width, size_t srclen); +static u_char *ucs4_to_utf8(uint32_t ucs4, char * dst, size_t *utf8width, size_t dstlen); +static uint32_t encode_surrogate(uint32_t code); +static uint32_t decode_surrogate(const u_char *ucs); + +#ifdef MODULE_DEPEND +MODULE_DEPEND(iconv_ucs, libiconv, 2, 2, 2); +#endif + +/* + * UCS converter instance + */ +struct iconv_ucs { + KOBJ_FIELDS; + int convtype; + struct iconv_cspair * d_csp; + struct iconv_cspair * d_cspf; + void * f_ctp; + void * t_ctp; + void * ctype; +}; + +static int +iconv_ucs_open(struct iconv_converter_class *dcp, + struct iconv_cspair *csp, struct iconv_cspair *cspf, void **dpp) +{ + struct iconv_ucs *dp; + int i; + const char *from, *to; + + dp = (struct iconv_ucs *)kobj_create((struct kobj_class*)dcp, M_ICONV, M_WAITOK); + to = csp->cp_to; + from = cspf ? cspf->cp_from : csp->cp_from; + + dp->convtype = 0; + + if (cspf) + dp->convtype |= KICONV_UCS_COMBINE; + for (i = 0; unicode_family[i].name; i++) { + if (strcmp(from, unicode_family[i].name) == 0) + dp->convtype |= unicode_family[i].from_flag; + if (strcmp(to, unicode_family[i].name) == 0) + dp->convtype |= unicode_family[i].to_flag; + } + if (strcmp(ENCODING_UNICODE, ENCODING_UTF16) == 0) + dp->convtype |= KICONV_UCS_UCS4; + else + dp->convtype &= ~KICONV_UCS_UCS4; + + dp->f_ctp = dp->t_ctp = NULL; + if (dp->convtype & KICONV_UCS_COMBINE) { + if ((dp->convtype & KICONV_UCS_FROM_UTF8) == 0 && + (dp->convtype & KICONV_UCS_FROM_LE) == 0) { + iconv_open(ENCODING_UNICODE, from, &dp->f_ctp); + } + if ((dp->convtype & KICONV_UCS_TO_UTF8) == 0 && + (dp->convtype & KICONV_UCS_TO_LE) == 0) { + iconv_open(to, ENCODING_UNICODE, &dp->t_ctp); + } + } + + dp->ctype = NULL; + if (dp->convtype & (KICONV_UCS_FROM_UTF8 | KICONV_UCS_TO_UTF8)) + iconv_open(KICONV_WCTYPE_NAME, ENCODING_UTF8, &dp->ctype); + + dp->d_csp = csp; + if (dp->convtype & (KICONV_UCS_FROM_UTF8 | KICONV_UCS_FROM_LE)) { + if (cspf) { + dp->d_cspf = cspf; + cspf->cp_refcount++; + } else + csp->cp_refcount++; + } + if (dp->convtype & (KICONV_UCS_TO_UTF8 | KICONV_UCS_TO_LE)) + csp->cp_refcount++; + *dpp = (void*)dp; + return 0; +} + +static int +iconv_ucs_close(void *data) +{ + struct iconv_ucs *dp = data; + + if (dp->f_ctp) + iconv_close(dp->f_ctp); + if (dp->t_ctp) + iconv_close(dp->t_ctp); + if (dp->ctype) + iconv_close(dp->ctype); + if (dp->d_cspf) + dp->d_cspf->cp_refcount--; + else if (dp->convtype & (KICONV_UCS_FROM_UTF8 | KICONV_UCS_FROM_LE)) + dp->d_csp->cp_refcount--; + if (dp->convtype & (KICONV_UCS_TO_UTF8 | KICONV_UCS_TO_LE)) + dp->d_csp->cp_refcount--; + kobj_delete((struct kobj*)data, M_ICONV); + return 0; +} + +static int +iconv_ucs_conv(void *d2p, const char **inbuf, + size_t *inbytesleft, char **outbuf, size_t *outbytesleft, + int convchar, int casetype) +{ + struct iconv_ucs *dp = (struct iconv_ucs*)d2p; + int ret = 0, i; + size_t in, on, ir, or, inlen, outlen, ucslen; + const char *src, *p; + char *dst; + u_char ucs[4], *q; + uint32_t code; + + 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) { + + /* + * The first half of conversion. + * (convert any code into ENCODING_UNICODE) + */ + code = 0; + p = src; + if (dp->convtype & KICONV_UCS_FROM_UTF8) { + /* convert UTF-8 to ENCODING_UNICODE */ + inlen = 0; + code = utf8_to_ucs4(p, &inlen, ir); + if (code == 0) { + ret = -1; + break; + } + + if (casetype == KICONV_FROM_LOWER && dp->ctype) { + code = towlower(code, dp->ctype); + } else if (casetype == KICONV_FROM_UPPER && dp->ctype) { + code = towupper(code, dp->ctype); + } + + if ((code >= 0xd800 && code < 0xe000) || code >= 0x110000 ) { + /* reserved for utf-16 surrogate pair */ + /* invalid unicode */ + ret = -1; + break; + } + + if (inlen == 4) { + if (dp->convtype & KICONV_UCS_UCS4) { + ucslen = 4; + code = encode_surrogate(code); + } else { + /* can't handle with ucs-2 */ + ret = -1; + break; + } + } else { + ucslen = 2; + } + + /* save UCS-4 into ucs[] */ + for (q = ucs, i = ucslen - 1 ; i >= 0 ; i--) + *q++ = (code >> (i << 3)) & 0xff; + + } else if (dp->convtype & KICONV_UCS_COMBINE && dp->f_ctp) { + /* convert local code to ENCODING_UNICODE */ + ucslen = 4; + inlen = ir; + q = ucs; + ret = iconv_convchr_case(dp->f_ctp, &p, &inlen, (char **)&q, + &ucslen, casetype & (KICONV_FROM_LOWER | KICONV_FROM_UPPER)); + if (ret) + break; + inlen = ir - inlen; + ucslen = 4 - ucslen; + + } else { + /* src code is a proper subset of ENCODING_UNICODE */ + q = ucs; + if (dp->convtype & KICONV_UCS_FROM_LE) { + *q = *(p + 1); + *(q + 1) = *p; + p += 2; + } else { + *q = *p++; + *(q + 1) = *p++; + } + if ((*q & 0xfc) == 0xd8) { + if (dp->convtype & KICONV_UCS_UCS4 && + dp->convtype & KICONV_UCS_FROM_UTF16) { + inlen = ucslen = 4; + } else { + /* invalid unicode */ + ret = -1; + break; + } + } else { + inlen = ucslen = 2; + } + if (ir < inlen) { + ret = -1; + break; + } + if (ucslen == 4) { + q += 2; + if (dp->convtype & KICONV_UCS_FROM_LE) { + *q = *(p + 1); + *(q + 1) = *p; + } else { + *q = *p++; + *(q + 1) = *p; + } + if ((*q & 0xfc) != 0xdc) { + /* invalid unicode */ + ret = -1; + break; + } + } + } + + /* + * The second half of conversion. + * (convert ENCODING_UNICODE into any code) + */ + p = ucs; + if (dp->convtype & KICONV_UCS_TO_UTF8) { + q = (u_char *)dst; + if (ucslen == 4 && dp->convtype & KICONV_UCS_UCS4) { + /* decode surrogate pair */ + code = decode_surrogate(p); + } else { + code = (ucs[0] << 8) | ucs[1]; + } + + if (casetype == KICONV_LOWER && dp->ctype) { + code = towlower(code, dp->ctype); + } else if (casetype == KICONV_UPPER && dp->ctype) { + code = towupper(code, dp->ctype); + } + + outlen = 0; + if (ucs4_to_utf8(code, q, &outlen, or) == NULL) { + ret = -1; + break; + } + + src += inlen; + ir -= inlen; + dst += outlen; + or -= outlen; + + } else if (dp->convtype & KICONV_UCS_COMBINE && dp->t_ctp) { + ret = iconv_convchr_case(dp->t_ctp, &p, &ucslen, &dst, + &or, casetype & (KICONV_LOWER | KICONV_UPPER)); + if (ret) + break; + + src += inlen; + ir -= inlen; + + } else { + /* dst code is a proper subset of ENCODING_UNICODE */ + if (or < ucslen) { + ret = -1; + break; + } + src += inlen; + ir -= inlen; + or -= ucslen; + if (dp->convtype & KICONV_UCS_TO_LE) { + *dst++ = *(p + 1); + *dst++ = *p; + p += 2; + } else { + *dst++ = *p++; + *dst++ = *p++; + } + if (ucslen == 4) { + if ((dp->convtype & KICONV_UCS_UCS4) == 0 || + (dp->convtype & KICONV_UCS_TO_UTF16) == 0) { + ret = -1; + break; + } + if (dp->convtype & KICONV_UCS_TO_LE) { + *dst++ = *(p + 1); + *dst++ = *p; + } else { + *dst++ = *p++; + *dst++ = *p; + } + } + } + + if (convchar == 1) + break; + } + + *inbuf += in - ir; + *outbuf += on - or; + *inbytesleft -= in - ir; + *outbytesleft -= on - or; + return (ret); +} + +static int +iconv_ucs_init(struct iconv_converter_class *dcp) +{ + int error; + + error = iconv_add(ENCODING_UNICODE, ENCODING_UNICODE, ENCODING_UTF8); + if (error) + return (error); + error = iconv_add(ENCODING_UNICODE, ENCODING_UTF8, ENCODING_UNICODE); + if (error) + return (error); + return (0); +} + +static int +iconv_ucs_done(struct iconv_converter_class *dcp) +{ + return (0); +} + +static const char * +iconv_ucs_name(struct iconv_converter_class *dcp) +{ + return (ENCODING_UNICODE); +} + +static kobj_method_t iconv_ucs_methods[] = { + KOBJMETHOD(iconv_converter_open, iconv_ucs_open), + KOBJMETHOD(iconv_converter_close, iconv_ucs_close), + KOBJMETHOD(iconv_converter_conv, iconv_ucs_conv), + KOBJMETHOD(iconv_converter_init, iconv_ucs_init), + KOBJMETHOD(iconv_converter_done, iconv_ucs_done), + KOBJMETHOD(iconv_converter_name, iconv_ucs_name), + {0, 0} +}; + +KICONV_CONVERTER(ucs, sizeof(struct iconv_ucs)); + +static uint32_t +utf8_to_ucs4(const char *src, size_t *utf8width, size_t srclen) +{ + size_t i, w = 0; + uint32_t ucs4 = 0; + + /* + * get leading 1 byte from utf-8 + */ + if ((*src & 0x80) == 0) { + /* + * leading 1 bit is "0" + * utf-8: 0xxxxxxx + * ucs-4: 00000000 00000000 00000000 0xxxxxxx + */ + w = 1; + /* get trailing 7 bits */ + ucs4 = *src & 0x7f; + } else if ((*src & 0xe0) == 0xc0) { + /* + * leading 3 bits are "110" + * utf-8: 110xxxxx 10yyyyyy + * ucs-4: 00000000 00000000 00000xxx xxyyyyyy + */ + w = 2; + /* get trailing 5 bits */ + ucs4 = *src & 0x1f; + } else if ((*src & 0xf0) == 0xe0) { + /* + * leading 4 bits are "1110" + * utf-8: 1110xxxx 10yyyyyy 10zzzzzz + * ucs-4: 00000000 00000000 xxxxyyyy yyzzzzzz + */ + w = 3; + /* get trailing 4 bits */ + ucs4 = *src & 0x0f; + } else if ((*src & 0xf8) == 0xf0) { + /* + * leading 5 bits are "11110" + * utf-8: 11110www 10xxxxxx 10yyyyyy 10zzzzzz + * ucs-4: 00000000 000wwwxx xxxxyyyy yyzzzzzz + */ + w = 4; + /* get trailing 3 bits */ + ucs4 = *src & 0x07; + } else { + /* out of utf-16 range or having illegal bits */ + return (0); + } + if (ucs4 == 0) + return (0); + + if (srclen < w) + return (0); + + /* + * get left parts from utf-8 + */ + for (i = 1 ; i < w ; i++) { + if ((*(src + i) & 0xc0) != 0x80) { + /* invalid: leading 2 bits are not "10" */ + return (0); + } + /* concatenate trailing 6 bits into ucs4 */ + ucs4 <<= 6; + ucs4 |= *(src + i) & 0x3f; + } + + *utf8width = w; + return (ucs4); +} + +static u_char * +ucs4_to_utf8(uint32_t ucs4, char *dst, size_t *utf8width, size_t dstlen) +{ + u_char lead, *p; + size_t i, w; + + /* + * determine utf-8 width and leading bits + */ + if (ucs4 < 0x80) { + w = 1; + lead = 0; /* "0" */ + } else if (ucs4 < 0x800) { + w = 2; + lead = 0xc0; /* "11" */ + } else if (ucs4 < 0x10000) { + w = 3; + lead = 0xe0; /* "111" */ + } else if (ucs4 < 0x200000) { + w = 4; + lead = 0xf0; /* "1111" */ + } else { + return (NULL); + } + + if (dstlen < w) + return (NULL); + + /* + * construct utf-8 + */ + p = dst; + for (i = w - 1 ; i >= 1 ; i--) { + /* get trailing 6 bits and put it with leading bit as "1" */ + *(p + i) = (ucs4 & 0x3f) | 0x80; + ucs4 >>= 6; + } + *p = ucs4 | lead; + + *utf8width = w; + + return (p); +} + +static uint32_t +encode_surrogate(register uint32_t code) +{ + return ((((code - 0x10000) << 6) & 0x3ff0000) | + ((code - 0x10000) & 0x3ff) | 0xd800dc00); +} + +static uint32_t +decode_surrogate(register const u_char *ucs) +{ + return ((((ucs[0] & 0x3) << 18) | (ucs[1] << 10) | + ((ucs[2] & 0x3) << 8) | ucs[3]) + 0x10000); +} Index: sys/modules/libiconv/Makefile =================================================================== RCS file: /home/ncvs/src/sys/modules/libiconv/Makefile,v retrieving revision 1.4 diff -u -r1.4 Makefile --- sys/modules/libiconv/Makefile 26 Sep 2003 20:26:24 -0000 1.4 +++ sys/modules/libiconv/Makefile 8 Aug 2005 11:20:00 -0000 @@ -3,12 +3,13 @@ .PATH: ${.CURDIR}/../../libkern ${.CURDIR}/../../sys KMOD= libiconv -SRCS= iconv.c iconv_xlat.c iconv_xlat16.c +SRCS= iconv.c iconv_ucs.c iconv_xlat.c iconv_xlat16.c SRCS+= iconv.h SRCS+= iconv_converter_if.c iconv_converter_if.h MFILES= libkern/iconv_converter_if.m -EXPORT_SYMS= iconv_open \ +EXPORT_SYMS= iconv_add \ + iconv_open \ iconv_close \ iconv_conv \ iconv_conv_case \ Index: sys/conf/files =================================================================== RCS file: /home/ncvs/src/sys/conf/files,v retrieving revision 1.1038 diff -u -r1.1038 files --- sys/conf/files 27 Jul 2005 21:47:55 -0000 1.1038 +++ sys/conf/files 7 Aug 2005 23:36:53 -0000 @@ -1319,6 +1319,7 @@ libkern/gets.c standard libkern/iconv.c optional libiconv libkern/iconv_converter_if.m optional libiconv +libkern/iconv_ucs.c optional libiconv libkern/iconv_xlat.c optional libiconv libkern/iconv_xlat16.c optional libiconv libkern/index.c standard