rdelaage
/
postgresql
mirror of https://git.postgresql.org/git/postgresql.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Tighten up SJIS byte sequence check. Now we reject invalid SJIS byte 

sequence such as "0x95 0x27". Patches from Akio Ishida.
Also update copyright notice.
This commit is contained in:
Tatsuo Ishii 2006-03-04 10:57:35 +00:00
parent 18bc9ea561
commit b3d0442ab3
1 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/euc_jp_and_sjis.c
View File

@ -2,11 +2,11 @@
*
* EUC_JP, SJIS and MULE_INTERNAL
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/euc_jp_and_sjis.c,v 1.14 2005/12/26 19:30:44 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/mb/conversion_procs/euc_jp_and_sjis/euc_jp_and_sjis.c,v 1.15 2006/03/04 10:57:35 ishii Exp $
*
*-------------------------------------------------------------------------
*/
@ -22,6 +22,9 @@
#define PGSJISALTCODE 0x81ac
#define PGEUCALTCODE 0xa2ae
#define ISSJISHEAD(c) ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfc))
#define ISSJISTAIL(c) ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc))
/*
* conversion table between SJIS UDC (IBM kanji) and EUC_JP
*/
@ -186,6 +189,11 @@ sjis2mic(unsigned char *sjis, unsigned char *p, int len)
* JIS X0208, X0212, user defined extended characters
*/
c2 = *sjis++;
if (!ISSJISHEAD(c1) || !ISSJISTAIL(c2))
ereport(ERROR,
(errcode(ERRCODE_CHARACTER_NOT_IN_REPERTOIRE),
errmsg("invalid byte sequence for encoding \"SJIS\": 0x%02x%02x",
c1, c2)));
k = (c1 << 8) + c2;
/* Eiji Tokuya patched begin */
if (k >= 0xed40 && k < 0xf040)
@ -557,6 +565,11 @@ sjis2euc_jp(unsigned char *sjis, unsigned char *p, int len)
* JIS X0208, X0212, user defined extended characters
*/
c2 = *sjis++;
if (!ISSJISHEAD(c1) || !ISSJISTAIL(c2))
ereport(ERROR,
(errcode(ERRCODE_CHARACTER_NOT_IN_REPERTOIRE),
errmsg("invalid byte sequence for encoding \"SJIS\": 0x%02x%02x",
c1, c2)));
k = (c1 << 8) + c2;
if (k >= 0xed40 && k < 0xf040)
{