+
3.16 - Nick Character Sets
+
UnrealIRCd has now the ability to specify which charsets/languages should be allowed
+in nicknames. You do this in set::allowed-nickchars.
+A table of all possible choices:
+
+| Name: | Description: | Character set/encoding: |
+| dutch | Dutch characters | latin1 |
+| french | French characters: accents, .. | latin1 |
+| german | German characters: umlauts, eszet, .. | latin1 |
+| italian | Italian characters: accents, .. | latin1 |
+| spanish | Spanish characters | latin1 |
+| euro-west | dutch, french, german, spanish, italian | latin1 |
+| chinese-simp | Simplified Chinese | Multibyte: GBK/GB2312 |
+| chinese-trad | Tradditional Chinese | Multibyte: GBK |
+| chinese-ja | Japanese-alike Chinese | Multibyte: GBK |
+| chinese | chinese-* | Multibyte: GBK |
+
+Please note that some combinations are not allowed (especially multi-region),
+such as (one of) euro-west and chinese-*, because they can cause display conflicts.
+UnrealIRCd will print out an error if you try to do so.
+
+Example 1, for people of western europe:
+
set { allowed-nickchars { euro-west; }; };
+Example 2, if you have mainly chinese users:
+
set { allowed-nickchars { chinese-simp; chinese-trad; }; };
+
+
+
3.17 - Other features
UnrealIRCd has a lot of features so not everything is covered here... You'll find that out by yourself.
@@ -2152,6 +2180,8 @@ set {
Specifies the prefix characters for services "in channel commands". Messages starting with
any of the specified characters will still be sent even if the client is +d. The default
value is "`".
+
set::allowed-nickchars { <list> };
+ Character sets / languages to allow in nicks, see Nick Character Sets.
set::allow-userhost-change [never|always|not-on-channels|force-rejoin]
Specifies what happens when the user@host changes (+x/-x/chghost/chgident/setident/vhost/etc).
never disables all the commands, always does always allow it even when in channels
diff --git a/include/common.h b/include/common.h
index c369f8adb..d031a18fc 100644
--- a/include/common.h
+++ b/include/common.h
@@ -184,6 +184,7 @@ extern MODVAR unsigned char char_atribs[];
#define DIGIT 16
#define SPACE 32
#define ALLOW 64
+#define ALLOWN 128
#ifndef KLINE_TEMP
#define KLINE_PERM 0
diff --git a/include/h.h b/include/h.h
index ab0a12bdf..69a9a985d 100644
--- a/include/h.h
+++ b/include/h.h
@@ -746,3 +746,7 @@ void cmodej_delentry(aJFlood *e);
void cmodej_deluserentries(aClient *cptr);
void cmodej_delchannelentries(aChannel *chptr);
#endif
+extern void charsys_reset(void);
+extern void charsys_addmultibyterange(char s1, char e1, char s2, char e2);
+extern void charsys_addallowed(char *s);
+extern void charsys_reset(void);
diff --git a/include/struct.h b/include/struct.h
index 4ce7b2cd4..6ca5eb95d 100644
--- a/include/struct.h
+++ b/include/struct.h
@@ -1636,7 +1636,8 @@ struct liststruct {
#define BadPtr(x) (!(x) || (*(x) == '\0'))
-#define isvalid(c) (((c) >= 'A' && (c) <= '~') || isdigit(c) || (c) == '-')
+/** Is valid character in nick? [not for external usage, use do_check_nickname instead!] */
+#define isvalid(c) (char_atribs[(u_char)(c)]&ALLOWN)
/* remote fds are set to -256, else its a local fd (a local fd
* can get -1 or -2 in case it has been closed). -- Syzop
diff --git a/makefile.win32 b/makefile.win32
index b47da6517..eaa3ad333 100644
--- a/makefile.win32
+++ b/makefile.win32
@@ -133,7 +133,7 @@ EXP_OBJ_FILES=SRC/CHANNEL.OBJ SRC/SEND.OBJ SRC/SOCKET.OBJ \
SRC/HELP.OBJ SRC/S_MISC.OBJ SRC/MATCH.OBJ SRC/CRULE.OBJ \
SRC/S_DEBUG.OBJ SRC/SUPPORT.OBJ SRC/LIST.OBJ \
SRC/S_ERR.OBJ SRC/PACKET.OBJ SRC/S_BSD.OBJ \
- SRC/S_SERV.OBJ SRC/S_USER.OBJ \
+ SRC/S_SERV.OBJ SRC/S_USER.OBJ SRC/CHARSYS.OBJ \
SRC/VERSION.OBJ SRC/RES_INIT.OBJ SRC/RES_COMP.OBJ SRC/RES_MKQUERY.OBJ SRC/RES_SKIPNAME.OBJ \
SRC/S_KLINE.OBJ SRC/S_EXTRA.OBJ SRC/IRCSPRINTF.OBJ SRC/LUSERS.OBJ \
SRC/SCACHE.OBJ SRC/ALN.OBJ SRC/BADWORDS.OBJ SRC/WEBTV.OBJ SRC/RES.OBJ SRC/MODULES.OBJ \
@@ -352,6 +352,10 @@ src/s_user.obj: src/s_user.c $(INCLUDES) ./include/dbuf.h \
./include/channel.h ./include/whowas.h
$(CC) $(CFLAGS) src/s_user.c
+src/charsys.obj: src/charsys.c $(INCLUDES) ./include/dbuf.h \
+ ./include/channel.h ./include/whowas.h
+ $(CC) $(CFLAGS) src/charsys.c
+
src/s_extra.obj: src/s_extra.c $(INCLUDES) ./include/dbuf.h \
./include/channel.h ./include/whowas.h
$(CC) $(CFLAGS) src/s_extra.c
diff --git a/src/Makefile b/src/Makefile
index 10507687f..c5c206e06 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -27,7 +27,7 @@ OBJS=auth.o aln.o badwords.o channel.o cloak.o crule.o dbuf.o \
res_init.o res_comp.o res_mkquery.o res_skipname.o s_auth.o \
s_bsd.o s_conf.o s_debug.o s_err.o s_extra.o s_kline.o \
s_misc.o s_numeric.o s_serv.o s_svs.o $(STRTOUL) socket.o \
- ssl.o s_user.o scache.o send.o support.o umodes.o \
+ ssl.o s_user.o charsys.o scache.o send.o support.o umodes.o \
version.o webtv.o whowas.o zip.o cidr.o random.o extcmodes.o \
extbans.o md5.o api-isupport.o api-command.o $(URL)
@@ -211,6 +211,10 @@ s_user.o: s_user.c $(INCLUDES) \
../include/dbuf.h ../include/channel.h ../include/whowas.h
$(CC) $(CFLAGS) -c s_user.c
+charsys.o: charsys.c $(INCLUDES) \
+ ../include/dbuf.h ../include/channel.h ../include/whowas.h
+ $(CC) $(CFLAGS) -c charsys.c
+
s_extra.o: s_extra.c $(INCLUDES) \
s_numeric.c ../include/dbuf.h ../include/channel.h ../include/whowas.h
$(CC) $(CFLAGS) -c s_extra.c
diff --git a/src/charsys.c b/src/charsys.c
new file mode 100644
index 000000000..c84a1607a
--- /dev/null
+++ b/src/charsys.c
@@ -0,0 +1,306 @@
+/*
+ * Unreal Internet Relay Chat Daemon, src/charsys.c
+ * (C) Copyright 2005 Bram Matthys and The UnrealIRCd Team.
+ *
+ * Character system: This subsystem deals with finding out wheter a
+ * character should be allowed or not in nicks (nicks only for now).
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 1, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "config.h"
+#include "struct.h"
+#include "common.h"
+#include "sys.h"
+#include "macros.h"
+#include "numeric.h"
+#include "msg.h"
+#include "channel.h"
+#include
+#include
+#include
+#include
+#include
+#ifdef _WIN32
+#include
+#endif
+#include
+#include "h.h"
+#include "proto.h"
+#ifdef STRIPBADWORDS
+#include "badwords.h"
+#endif
+
+#ifdef _WIN32
+#include "version.h"
+#endif
+
+/* NOTE: it is guaranteed that char is unsigned by compiling options
+ * (-funsigned-char @ gcc, /J @ MSVC)
+ * NOTE2: Original credit for supplying the correct chinese
+ * coderanges goes to: RexHsu, Mr.WebBar and Xuefer
+ */
+
+/** Our multibyte structure */
+typedef struct _mblist MBList;
+struct _mblist
+{
+ MBList *next;
+ char s1, e1, s2, e2;
+};
+MBList *mblist = NULL, *mblist_tail = NULL;
+
+static int do_nick_name_multibyte(char *nick);
+static int do_nick_name_standard(char *nick);
+
+/* Use this to prevent mixing of certain combinations
+ * (such as GBK & high-ascii, etc)
+ */
+static int langav;
+/* bitmasks: */
+#define LANGAV_ASCII 1 /* 8 bit ascii */
+#define LANGAV_GBK 2 /* (Chinese) GBK encoding */
+
+/** Called on boot and just before config run */
+void charsys_reset(void)
+{
+int i;
+MBList *m, *m_next;
+
+ /* First, reset everything */
+ for (i=0; i < 256; i++)
+ char_atribs[i] &= ~ALLOWN;
+ for (m=mblist; m; m=m_next)
+ {
+ m_next = m->next;
+ MyFree(m);
+ }
+ mblist=mblist_tail=NULL;
+ /* Then add the default which will always be allowed */
+ charsys_addallowed("0123456789-ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyzy{|}");
+ langav = 0;
+}
+
+void charsys_reset_pretest(void)
+{
+ langav = 0;
+}
+
+/** Add a character range to the multibyte list.
+ * @param s1 Start of highest byte
+ * @param e1 End of highest byte
+ * @param s2 Start of lowest byte
+ * @param e2 End of lowest byte
+ * @example charsys_addmultibyterange(0xaa, 0xbb, 0x00, 0xff) for 0xaa00-0xbbff
+ */
+void charsys_addmultibyterange(char s1, char e1, char s2, char e2)
+{
+MBList *m = MyMallocEx(sizeof(m));
+
+ m->s1 = s1;
+ m->e1 = e1;
+ m->s2 = s2;
+ m->e2 = e2;
+
+ if (mblist_tail)
+ mblist_tail->next = m;
+ else
+ mblist = m;
+ mblist_tail = m;
+}
+
+/** Adds all characters in the specified string to the allowed list. */
+void charsys_addallowed(char *s)
+{
+ for (; *s; s++)
+ char_atribs[(unsigned int)*s] |= ALLOWN;
+}
+
+int do_nick_name(char *nick)
+{
+ if (mblist)
+ return do_nick_name_multibyte(nick);
+ else
+ return do_nick_name_standard(nick);
+}
+
+static int do_nick_name_standard(char *nick)
+{
+int len;
+char *ch;
+
+ if ((*nick == '-') || isdigit(*nick))
+ return 0;
+
+ for (ch=nick,len=0; *ch && len <= NICKLEN; ch++, len++)
+ if (!isvalid(*ch))
+ return 0; /* reject the full nick */
+ *ch = '\0';
+ return len;
+}
+
+static int isvalidmbyte(unsigned char c1, unsigned char c2)
+{
+MBList *m;
+
+ for (m=mblist; m; m=m->next)
+ {
+ if ((c1 >= m->s1) && (c1 <= m->e1) &&
+ (c2 >= m->s2) && (c2 <= m->e2))
+ return 1;
+ }
+ return 0;
+}
+
+/* hmmm.. there must be some problems with multibyte &
+ * other high ascii characters I think (such as german etc).
+ * Not sure if this can be solved? I don't think so... -- Syzop.
+ */
+static int do_nick_name_multibyte(char *nick)
+{
+int len;
+char *ch;
+MBList *m;
+int firstmbchar = 0;
+
+ if ((*nick == '-') || isdigit(*nick))
+ return 0;
+
+ for (ch=nick,len=0; *ch && len <= NICKLEN; ch++, len++)
+ {
+ if (firstmbchar)
+ {
+ if (!isvalidmbyte(ch[-1], *ch))
+ return 0;
+ firstmbchar = 0;
+ } else if ((*ch) & 0x80)
+ firstmbchar = 1;
+ else if (!isvalid(*ch))
+ return 0;
+ }
+ if (firstmbchar)
+ ch--;
+ *ch = '\0';
+ return len;
+}
+
+/** Check if the specified charsets during the TESTING phase can be
+ * premitted without getting into problems.
+ * RETURNS: -1 in case of failure, 1 if ok
+ */
+int charsys_postconftest(void)
+{
+ if ((langav & LANGAV_ASCII) && (langav & LANGAV_GBK))
+ {
+ config_error("ERROR: set::accept-language specifies incorrect combination "
+ "of languages: high-ascii languages (such as german, french, etc) "
+ "cannot be mixed with chinese/..");
+ return -1;
+ }
+ return 1;
+}
+
+/** Check if language is available. */
+int charsys_test_language(char *name)
+{
+ if (!strcmp(name, "euro-west") ||
+ !strcmp(name, "german") || !strcmp(name, "dutch") ||
+ !strcmp(name, "french") || !strcmp(name, "spanish"))
+ {
+ langav |= LANGAV_ASCII;
+ return 1;
+ }
+ if (!strcmp(name, "chinese") || !strcmp(name, "chinese-trad") ||
+ !strcmp(name, "chinese-simp") || !strcmp(name, "chinese-ja"))
+ {
+ langav |= LANGAV_GBK;
+ return 1;
+ }
+ return 0;
+}
+
+void charsys_add_language(char *name)
+{
+char euro_west=0, chinese=0;
+
+ /** Note: there could well be some characters missing in the lists below.
+ * While I've seen other altnernatives that just allow pretty much
+ * every accent that exists even for dutch (where we rarely use
+ * accents except for like 3 types), I rather prefer to use a bit more
+ * reasonable aproach ;). That said, anyone is welcome to make
+ * suggestions about characters that should be added (or removed)
+ * of course. -- Syzop
+ */
+
+ /* GROUPS */
+ if (!strcmp(name, "euro-west"))
+ euro_west = 1;
+ if (!strcmp(name, "chinese"))
+ chinese = 1;
+
+ /* INDIVIDUAL CHARSETS */
+
+ if (euro_west || !strcmp(name, "german"))
+ {
+ /* a", A", e', o", O", u", U" and es-zett */
+ charsys_addallowed("äÄéöÖüÜß");
+ }
+ if (euro_west || !strcmp(name, "dutch"))
+ {
+ /* Ok, even though I'm Dutch myself, I've trouble getting
+ * a proper list of this ;). I think I got them all now, but
+ * I did not include "borrow-words" like words we use in Dutch
+ * that are literal French. So if you really want to use them all,
+ * I suggest you to use just euro-west :P.
+ */
+ /* e', e", o", i", u", e`. */
+ charsys_addallowed("éëöïüè");
+ }
+ if (euro_west || !strcmp(name, "french"))
+ {
+ /* A`, A^, a`, a^, weird-C, weird-c, E`, E', E^, E", e`, e', e^, e",
+ * I^, I", i^, i", O^, o^, U`, U^, U", u`, u", u`, y" [not in that order, sry]
+ * Hmm.. there might be more, but I'm not sure how common they are
+ * and I don't think they are always displayed correctly (?).
+ */
+ charsys_addallowed("ÀÂàâÇçÈÉÊËèéêëÎÏîïÔôÙÛÜùûüÿ");
+ }
+ if (euro_west || !strcmp(name, "spanish"))
+ {
+ /* a', A', e', E', i', I', o', O', u', U', u", U", n~, N~ */
+ charsys_addallowed("áÁéÉíÍóÓúÚüÜñÑ");
+ }
+ if (euro_west || !strcmp(name, "italian"))
+ {
+ /* A`, E`, E', I`, I', O`, O', U`, U', a`, e`, e', i`, i', o`, o', u`, u' */
+ charsys_addallowed("ÀÈÉÌÍÒÓÙÚàèéìíòóùú");
+ }
+ if (chinese || !strcmp(name, "chinese-ja"))
+ {
+ charsys_addmultibyterange(0xa4, 0xa4, 0xa1, 0xf3); /* JIS_PIN */
+ charsys_addmultibyterange(0xa5, 0xa5, 0xa1, 0xf6); /* JIS_PIN */
+ }
+ if (chinese || !strcmp(name, "chinese-simp"))
+ {
+ charsys_addmultibyterange(0xb0, 0xd6, 0xa1, 0xfe); /* GBK/2 BC with GB2312 */
+ charsys_addmultibyterange(0xd7, 0xd7, 0xa1, 0xf9); /* GBK/2 BC with GB2312 */
+ charsys_addmultibyterange(0xd8, 0xf7, 0xa1, 0xfe); /* GBK/2 BC with GB2312 */
+ }
+ if (chinese || !strcmp(name, "chinese-trad"))
+ {
+ charsys_addmultibyterange(0x81, 0xa0, 0x40, 0xfe); /* GBK/3 */
+ charsys_addmultibyterange(0xaa, 0xfe, 0x40, 0xa0); /* GBK/4 */
+ }
+}
diff --git a/src/ircd.c b/src/ircd.c
index 1ca752234..5da7aa7d2 100644
--- a/src/ircd.c
+++ b/src/ircd.c
@@ -1006,6 +1006,7 @@ int InitwIRCD(int argc, char *argv[])
bzero((char *)&me, sizeof(me));
bzero(&StatsZ, sizeof(StatsZ));
setup_signals();
+ charsys_reset();
init_ircstats();
#ifdef USE_LIBCURL
url_init();
diff --git a/src/match.c b/src/match.c
index de1dea944..654f92cc6 100644
--- a/src/match.c
+++ b/src/match.c
@@ -378,8 +378,8 @@ u_char char_atribs[] = {
PRINT | ALPHA | ALLOW,
/* VWX */ PRINT | ALPHA | ALLOW, PRINT | ALPHA | ALLOW,
PRINT | ALPHA | ALLOW,
-/* YZ[ */ PRINT | ALPHA | ALLOW, PRINT | ALPHA | ALLOW, PRINT | ALPHA,
-/* \]^ */ PRINT | ALPHA, PRINT | ALPHA, PRINT | ALPHA,
+/* YZ[ */ PRINT | ALPHA | ALLOW, PRINT | ALPHA | ALLOW, PRINT,
+/* \]^ */ PRINT, PRINT, PRINT,
/* _` */ PRINT | ALLOW, PRINT,
/* abc */ PRINT | ALPHA | ALLOW, PRINT | ALPHA | ALLOW,
PRINT | ALPHA | ALLOW,
@@ -397,8 +397,8 @@ u_char char_atribs[] = {
PRINT | ALPHA | ALLOW,
/* vwx */ PRINT | ALPHA | ALLOW, PRINT | ALPHA | ALLOW,
PRINT | ALPHA | ALLOW,
-/* yz{ */ PRINT | ALPHA | ALLOW, PRINT | ALPHA | ALLOW, PRINT | ALPHA,
-/* |}~ */ PRINT | ALPHA, PRINT | ALPHA, PRINT | ALPHA,
+/* yz{ */ PRINT | ALPHA | ALLOW, PRINT | ALPHA | ALLOW, PRINT,
+/* |}~ */ PRINT, PRINT, PRINT,
/* del */ 0,
/* 80-8f */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 90-9f */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
diff --git a/src/s_conf.c b/src/s_conf.c
index a08ee5cb7..fed1074ea 100644
--- a/src/s_conf.c
+++ b/src/s_conf.c
@@ -331,6 +331,11 @@ extern void add_entropy_configfile(struct stat st, char *buf);
extern void unload_all_unused_snomasks();
extern void unload_all_unused_umodes();
+extern int charsys_test_language(char *name);
+extern void charsys_add_language(char *name);
+extern void charsys_reset_pretest(void);
+int charsys_postconftest(void);
+
/* Stuff we only need here for spamfilter, so not in h.h... */
extern aTKline *tklines[TKLISTLEN];
extern inline int tkl_hash(char c);
@@ -1595,7 +1600,9 @@ int init_conf(char *rootconf, int rehash)
config_setdefaultsettings(&tempiConf);
if (load_conf(rootconf) > 0)
{
- if ((config_test() < 0) || (callbacks_check() < 0) || (efunctions_check() < 0))
+ charsys_reset_pretest();
+ if ((config_test() < 0) || (callbacks_check() < 0) || (efunctions_check() < 0) ||
+ (charsys_postconftest() < 0))
{
config_error("IRCd configuration failed to pass testing");
#ifdef _WIN32
@@ -1647,6 +1654,7 @@ int init_conf(char *rootconf, int rehash)
l_commands_Init(&ModCoreInfo);
}
#endif
+ charsys_reset();
if (config_run() < 0)
{
config_error("Bad case of config errors. Server will now die. This really shouldn't happen");
@@ -6400,6 +6408,10 @@ int _conf_set(ConfigFile *conf, ConfigEntry *ce)
else
tempiConf.userhost_allowed = UHALLOW_REJOIN;
}
+ else if (!strcmp(cep->ce_varname, "allowed-nickchars")) {
+ for (cepp = cep->ce_entries; cepp; cepp=cepp->ce_next)
+ charsys_add_language(cepp->ce_varname);
+ }
else if (!strcmp(cep->ce_varname, "channel-command-prefix")) {
ircstrdup(tempiConf.channel_command_prefix, cep->ce_vardata);
}
@@ -6914,6 +6926,25 @@ int _test_set(ConfigFile *conf, ConfigEntry *ce)
continue;
}
}
+ else if (!strcmp(cep->ce_varname, "allowed-nickchars")) {
+ if (cep->ce_vardata)
+ {
+ config_error("%s:%i: set::allow-nickchars: please use 'allowed-nickchars { name; };' "
+ "and not 'allowed-nickchars name;'",
+ cep->ce_fileptr->cf_filename, cep->ce_varlinenum);
+ errors++;
+ continue;
+ }
+ for (cepp = cep->ce_entries; cepp; cepp=cepp->ce_next)
+ {
+ if (!charsys_test_language(cepp->ce_varname))
+ {
+ config_error("%s:%i: set::allow-nickchars: Unknown (sub)language '%s'",
+ cep->ce_fileptr->cf_filename, cep->ce_varlinenum, cepp->ce_varname);
+ errors++;
+ }
+ }
+ }
else if (!strcmp(cep->ce_varname, "anti-spam-quit-message-time")) {
CheckNull(cep);
CheckDuplicate(cep, anti_spam_quit_message_time, "anti-spam-quit-message-time");
diff --git a/src/s_user.c b/src/s_user.c
index 1a06e5bf3..26b214b12 100644
--- a/src/s_user.c
+++ b/src/s_user.c
@@ -657,157 +657,6 @@ int check_for_target_limit(aClient *sptr, void *target, const char *name)
return 0;
}
-
-
-
-/*
-** 'do_nick_name' ensures that the given parameter (nick) is
-** really a proper string for a nickname (note, the 'nick'
-** may be modified in the process...)
-**
-** RETURNS the length of the final NICKNAME (0, if
-** nickname is illegal)
-**
-** Nickname characters are in range
-** 'A'..'}', '_', '-', '0'..'9'
-** anything outside the above set will terminate nickname.
-** In addition, the first character cannot be '-'
-** or a Digit.
-**
-** Note:
-** '~'-character should be allowed, but
-** a change should be global, some confusion would
-** result if only few servers allowed it...
-*/
-
-#if defined(NICK_GB2312) || defined(NICK_GBK) || defined(NICK_GBK_JAP)
-#define NICK_MULTIBYTE
-#endif
-
-#ifdef NICK_MULTIBYTE
-/* Chinese Nick Verification Code - Added by RexHsu on 08/09/00 (beta2)
- * Now Support All GBK Words,Thanks to Mr.WebBar !
- * Special Char Bugs Fixed by RexHsu 09/01/00 I dont know whether it is
- * okay now?May I am right ;p
- * Thanks dilly for providing me Japanese code range!
- * Now I am meeting a nickname conflicting problem....
- *
- * GBK Libary Reference:
- * 1. GBK2312·Çºº×Ö·ûºÅÇø(A1A1----A9FE)
- * 2. GBK2312ºº×ÖÇø(B0A1----F7FE)
- * 3. GBKÀ©³äºº×ÖÇø(8140----A0FE)
- * 4. GBKÀ©³äºº×ÖÇø(AA40----FEA0)
- * 5. GBKÀ©³ä·Çºº×ÖÇø(A840----A9A0)
- * 6. ÈÕÎÄƽ¼ÙÃû±àÂëÇø(a4a1-a4f3) -->work correctly?maybe...
- * 7. ÈÕÎÄƬ¼ÙÃû±àÂëÇø(a5a1-a5f7) -->work correctly?maybe...
- * 8. º«ÎıàÂëÇø(xxxx-yyyy)
- *
- * isvalidChinese() rewritten by Xuefer (2004-10-10),
- * this will probably be the last time we do it this way,
- * in 3.2.3 we are gonna try a more generic aproach. -- Syzop
- */
-
-int isvalidChinese(const unsigned char c1, const unsigned char c2)
-{
- unsigned int w = (((unsigned int)c1) << 8) | c2;
-
-/* rang of w/c1/c2 (rw never used) */
-#define rw(s, e) (w >= ((unsigned int )s) && w <= ((unsigned int )e))
-#define r1(s, e) (c1 >= ((unsigned char)s) && c1 <= ((unsigned char)e))
-#define r2(s, e) (c2 >= ((unsigned char)s) && c2 <= ((unsigned char)e))
-#define e1(e) (c1 == (unsigned char)e)
-
-#ifdef NICK_GBK_JAP
- /* GBK/1 */
- /* JIS_PIN part 1 */
- if (e1(0xA4) && r2(0xA1, 0xF3)) return 1;
- /* JIS_PIN part 2 */
- if (e1(0xA5) && r2(0xA1, 0xF6)) return 1;
-#endif
-#if defined(NICK_GB2312) || defined(NICK_GBK)
- /* GBK/2 BC with GB2312 */
- if (r2(0xA1, 0xFE))
- {
- /* Block 16-55, ordered by Chinese Spelling(PinYin) 3755 chars */
- if (r1(0xB0, 0xD6)) return 1;
- /* Block 55 is NOT full (w <= 0xd7f9) */
- if (e1(0xD7) && c2 <= (unsigned char)0xF9 /* r2(0xA1, 0xF9)*/) return 1;
- /* Block 56-87 is level 2 chars, ordered by writing 3008 chars */
- if (r1(0xD8, 0xF7)) return 1;
- }
-#endif
-
-#ifdef NICK_GBK
- /* GBK/3 */
- if (r1(0x81, 0xA0) && r2(0x40, 0xFE)) return 1;
- /* GBK/4 */
- if (r2(0x40, 0xA0) && r1(0xAA, 0xFE)) return 1;
-#endif
-
- /* all failed */
- return 0;
-
-#undef rw
-#undef r1
-#undef r2
-#undef e1
-}
-
-/* Chinese Nick Supporting Code (Switch Mode) - Modified by RexHsu on 08/09/00 */
-int do_nick_name(char *pnick)
-{
- unsigned char *ch;
- unsigned char *nick = pnick;
- int firstChineseChar = 0;
- char lastChar;
-
- if (*nick == '-' || isdigit(*nick)) /* first character in [0..9-] */
- return 0;
-
- for (ch = nick; *ch && (ch - nick) < NICKLEN; ch++)
- {
- if ((!isvalid(*ch) && !((*ch) & 0x80)) || isspace(*ch)
- || (*ch) == '@' || (*ch) == '!' || (*ch) == ':'
- || (*ch) == ' ')
- break;
- if (firstChineseChar)
- {
- if (!isvalidChinese(lastChar, *ch))
- break;
- firstChineseChar = 0;
- }
- else if ((*ch) & 0x80)
- firstChineseChar = 1;
- lastChar = *ch;
- }
-
- if (firstChineseChar)
- ch--;
-
- *ch = '\0';
-
- return (ch - nick);
-}
-
-
-#else
-int do_nick_name(char *nick)
-{
- char *ch;
-
- if (*nick == '-' || isdigit(*nick)) /* first character in [0..9-] */
- return 0;
-
- for (ch = nick; *ch && (ch - nick) < NICKLEN; ch++)
- if (!isvalid(*ch) || isspace(*ch))
- break;
-
- *ch = '\0';
-
- return (ch - nick);
-}
-#endif
-
/*
** canonize
**