/************************************************************************
 *   IRC - Internet Relay Chat, src/match.c
 *   Copyright (C) 1990 Jarkko Oikarinen
 *
 *   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 "stdinc.h"
#include "config.h"
#include "client.h"
#include "ircd.h"
#include "match.h"

/*
 * Compare if a given string (name) matches the given
 * mask (which can contain wild cards: '*' - match any
 * number of chars, '?' - match any single character.
 *
 * return  1, if match
 *         0, if no match
 *
 *  Originally by Douglas A Lewis (dalewis@acsu.buffalo.edu)
 *  Rewritten by Timothy Vogelsang (netski), net@astrolink.org
 */

/** Check a string against a mask.
 * This test checks using traditional IRC wildcards only: '*' means
 * match zero or more characters of any type; '?' means match exactly
 * one character of any type.
 *
 * @param[in] mask Wildcard-containing mask.
 * @param[in] name String to check against \a mask.
 * @return Zero if \a mask matches \a name, non-zero if no match.
 */
int match(const char *mask, const char *name)
{
    const char *m = mask, *n = name;
    const char *m_tmp = mask, *n_tmp = name;
    int star_p;

    s_assert(mask != NULL);
    s_assert(name != NULL);

    for (;;) {
        switch (*m) {
        case '\0':
            if (!*n)
                return 1;
backtrack:
            if (m_tmp == mask)
                return 0;
            m = m_tmp;
            n = ++n_tmp;
            break;
        case '*':
        case '?':
            for (star_p = 0;; m++) {
                if (*m == '*')
                    star_p = 1;
                else if (*m == '?') {
                    if (!*n++)
                        goto backtrack;
                } else
                    break;
            }
            if (star_p) {
                if (!*m)
                    return 1;
                else {
                    m_tmp = m;
                    for (n_tmp = n; *n && ToLower(*n) != ToLower(*m); n++);
                }
            }
            /* and fall through */
        default:
            if (!*n)
                return (*m != '\0' ? 0 : 1);
            if (ToLower(*m) != ToLower(*n))
                goto backtrack;
            m++;
            n++;
            break;
        }
    }
}

/** Check a mask against a mask.
 * This test checks using traditional IRC wildcards only: '*' means
 * match zero or more characters of any type; '?' means match exactly
 * one character of any type.
 * The difference between mask_match() and match() is that in mask_match()
 * a '?' in mask does not match a '*' in name.
 *
 * @param[in] mask Existing wildcard-containing mask.
 * @param[in] name New wildcard-containing mask.
 * @return 1 if \a name is equal to or more specific than \a mask, 0 otherwise.
 */
int mask_match(const char *mask, const char *name)
{
    const char *m = mask, *n = name;
    const char *m_tmp = mask, *n_tmp = name;
    int star_p;

    s_assert(mask != NULL);
    s_assert(name != NULL);

    for (;;) {
        switch (*m) {
        case '\0':
            if (!*n)
                return 1;
backtrack:
            if (m_tmp == mask)
                return 0;
            m = m_tmp;
            n = ++n_tmp;
            break;
        case '*':
        case '?':
            for (star_p = 0;; m++) {
                if (*m == '*')
                    star_p = 1;
                else if (*m == '?') {
                    /* changed for mask_match() */
                    if (*n == '*' || !*n)
                        goto backtrack;
                    n++;
                } else
                    break;
            }
            if (star_p) {
                if (!*m)
                    return 1;
                else {
                    m_tmp = m;
                    for (n_tmp = n; *n && ToLower(*n) != ToLower(*m); n++);
                }
            }
            /* and fall through */
        default:
            if (!*n)
                return (*m != '\0' ? 0 : 1);
            if (ToLower(*m) != ToLower(*n))
                goto backtrack;
            m++;
            n++;
            break;
        }
    }
}


#define MATCH_MAX_CALLS 512	/* ACK! This dies when it's less that this
				   and we have long lines to parse */
/** Check a string against a mask.
 * This test checks using extended wildcards: '*' means match zero
 * or more characters of any type; '?' means match exactly one
 * character of any type; '#' means match exactly one character that
 * is a number; '@' means match exactly one character that is a
 * letter; '\s' means match a space.
 *
 * This function supports escaping, so that a wildcard may be matched
 * exactly.
 *
 * @param[in] mask Wildcard-containing mask.
 * @param[in] name String to check against \a mask.
 * @return Zero if \a mask matches \a name, non-zero if no match.
 */
int
match_esc(const char *mask, const char *name)
{
    const unsigned char *m = (const unsigned char *)mask;
    const unsigned char *n = (const unsigned char *)name;
    const unsigned char *ma = (const unsigned char *)mask;
    const unsigned char *na = (const unsigned char *)name;
    int wild = 0;
    int calls = 0;
    int quote = 0;
    int match1 = 0;

    s_assert(mask != NULL);
    s_assert(name != NULL);

    if(!mask || !name)
        return 0;

    /* if the mask is "*", it matches everything */
    if((*m == '*') && (*(m + 1) == '\0'))
        return 1;

    while(calls++ < MATCH_MAX_CALLS) {
        if(quote)
            quote++;
        if(quote == 3)
            quote = 0;
        if(*m == '\\' && !quote) {
            m++;
            quote = 1;
            continue;
        }
        if(!quote && *m == '*') {
            /*
             * XXX - shouldn't need to spin here, the mask should have been
             * collapsed before match is called
             */
            while(*m == '*')
                m++;

            wild = 1;
            ma = m;
            na = n;

            if(*m == '\\') {
                m++;
                /* This means it is an invalid mask -A1kmm. */
                if(!*m)
                    return 0;
                quote++;
                continue;
            }
        }

        if(!*m) {
            if(!*n)
                return 1;
            if(quote)
                return 0;
            for(m--; (m > (const unsigned char *)mask) && (*m == '?'); m--);;

            if(*m == '*' && (m > (const unsigned char *)mask))
                return 1;
            if(!wild)
                return 0;
            m = ma;
            n = ++na;
        } else if(!*n) {
            /*
             * XXX - shouldn't need to spin here, the mask should have been
             * collapsed before match is called
             */
            if(quote)
                return 0;
            while(*m == '*')
                m++;
            return (*m == 0);
        }

        if(quote)
            match1 = *m == 's' ? *n == ' ' : ToLower(*m) == ToLower(*n);
        else if(*m == '?')
            match1 = 1;
        else if(*m == '@')
            match1 = IsLetter(*n);
        else if(*m == '#')
            match1 = IsDigit(*n);
        else
            match1 = ToLower(*m) == ToLower(*n);
        if(match1) {
            if(*m)
                m++;
            if(*n)
                n++;
        } else {
            if(!wild)
                return 0;
            m = ma;
            n = ++na;
        }
    }
    return 0;
}

int comp_with_mask(void *addr, void *dest, u_int mask)
{
    if (memcmp(addr, dest, mask / 8) == 0) {
        int n = mask / 8;
        int m = ((-1) << (8 - (mask % 8)));
        if (mask % 8 == 0 || (((u_char *) addr)[n] & m) == (((u_char *) dest)[n] & m)) {
            return (1);
        }
    }
    return (0);
}

int comp_with_mask_sock(struct sockaddr *addr, struct sockaddr *dest, u_int mask)
{
    void *iaddr = NULL;
    void *idest = NULL;

    if (addr->sa_family == AF_INET) {
        iaddr = &((struct sockaddr_in *)addr)->sin_addr;
        idest = &((struct sockaddr_in *)dest)->sin_addr;
    }
#ifdef RB_IPV6
    else {
        iaddr = &((struct sockaddr_in6 *)addr)->sin6_addr;
        idest = &((struct sockaddr_in6 *)dest)->sin6_addr;

    }
#endif

    return (comp_with_mask(iaddr, idest, mask));
}

/*
 * match_ips()
 *
 * Input - cidr ip mask, address
 */
int match_ips(const char *s1, const char *s2)
{
    struct rb_sockaddr_storage ipaddr, maskaddr;
    char mask[BUFSIZE];
    char address[HOSTLEN + 1];
    char *len;
    void *ipptr, *maskptr;
    int cidrlen, aftype;

    strcpy(mask, s1);
    strcpy(address, s2);

    len = strrchr(mask, '/');
    if (len == NULL)
        return 0;

    *len++ = '\0';

    cidrlen = atoi(len);
    if (cidrlen == 0)
        return 0;

#ifdef RB_IPV6
    if (strchr(mask, ':') && strchr(address, ':')) {
        aftype = AF_INET6;
        ipptr = &((struct sockaddr_in6 *)&ipaddr)->sin6_addr;
        maskptr = &((struct sockaddr_in6 *)&maskaddr)->sin6_addr;
    } else
#endif
        if (!strchr(mask, ':') && !strchr(address, ':')) {
            aftype = AF_INET;
            ipptr = &((struct sockaddr_in *)&ipaddr)->sin_addr;
            maskptr = &((struct sockaddr_in *)&maskaddr)->sin_addr;
        } else
            return 0;

    if(rb_inet_pton(aftype, address, ipptr)) {
        return 0;
    }

    if(rb_inet_pton(aftype, mask, maskptr)) {
        return 0;
    }
    if (comp_with_mask(ipptr, maskptr, cidrlen))
        return 1;
    else
        return 0;
}

/* match_cidr()
 *
 * Input - mask, address
 * Ouput - 1 = Matched 0 = Did not match
 */

int match_cidr(const char *s1, const char *s2)
{
    struct rb_sockaddr_storage ipaddr, maskaddr;
    char mask[BUFSIZE];
    char address[NICKLEN + USERLEN + HOSTLEN + 6];
    char *ipmask;
    char *ip;
    char *len;
    void *ipptr, *maskptr;
    int cidrlen, aftype;

    strcpy(mask, s1);
    strcpy(address, s2);

    ipmask = strrchr(mask, '@');
    if (ipmask == NULL)
        return 0;

    *ipmask++ = '\0';

    ip = strrchr(address, '@');
    if (ip == NULL)
        return 0;
    *ip++ = '\0';


    len = strrchr(ipmask, '/');
    if (len == NULL)
        return 0;

    *len++ = '\0';

    cidrlen = atoi(len);
    if (cidrlen == 0)
        return 0;

#ifdef RB_IPV6
    if (strchr(ip, ':') && strchr(ipmask, ':')) {
        aftype = AF_INET6;
        ipptr = &((struct sockaddr_in6 *)&ipaddr)->sin6_addr;
        maskptr = &((struct sockaddr_in6 *)&maskaddr)->sin6_addr;
    } else
#endif
        if (!strchr(ip, ':') && !strchr(ipmask, ':')) {
            aftype = AF_INET;
            ipptr = &((struct sockaddr_in *)&ipaddr)->sin_addr;
            maskptr = &((struct sockaddr_in *)&maskaddr)->sin_addr;
        } else
            return 0;

    if (rb_inet_pton(aftype, ip, ipptr) <= 0) {
        return 0;
    }


    if(rb_inet_pton(aftype, ipmask, maskptr) <= 0) {
        return 0;
    }

    if (comp_with_mask(ipptr, maskptr, cidrlen) && match(mask, address))
        return 1;
    else
        return 0;
}

/* collapse()
 *
 * collapses a string containing multiple *'s.
 */
char *collapse(char *pattern)
{
    char *p = pattern, *po = pattern;
    char c;
    int f = 0;

    if (p == NULL)
        return NULL;

    while ((c = *p++)) {
        if (c == '*') {
            if (!(f & 1))
                *po++ = '*';
            f |= 1;
        } else {
            *po++ = c;
            f &= ~1;
        }
    }
    *po++ = 0;

    return pattern;
}

/* collapse_esc()
 *
 * The collapse() function with support for escaping characters
 */
char *collapse_esc(char *pattern)
{
    char *p = pattern, *po = pattern;
    char c;
    int f = 0;

    if (p == NULL)
        return NULL;

    while ((c = *p++)) {
        if (!(f & 2) && c == '*') {
            if (!(f & 1))
                *po++ = '*';
            f |= 1;
        } else if (!(f & 2) && c == '\\') {
            *po++ = '\\';
            f |= 2;
        } else {
            *po++ = c;
            f &= ~3;
        }
    }
    *po++ = 0;
    return pattern;
}

/*
 * irccmp - case insensitive comparison of two 0 terminated strings.
 *
 *      returns  0, if s1 equal to s2
 *              <0, if s1 lexicographically less than s2
 *              >0, if s1 lexicographically greater than s2
 */
int irccmp(const char *s1, const char *s2)
{
    const unsigned char *str1 = (const unsigned char *)s1;
    const unsigned char *str2 = (const unsigned char *)s2;
    int res;

    s_assert(s1 != NULL);
    s_assert(s2 != NULL);

    while ((res = ToUpper(*str1) - ToUpper(*str2)) == 0) {
        if (*str1 == '\0')
            return 0;
        str1++;
        str2++;
    }
    return (res);
}

int ircncmp(const char *s1, const char *s2, int n)
{
    const unsigned char *str1 = (const unsigned char *)s1;
    const unsigned char *str2 = (const unsigned char *)s2;
    int res;
    s_assert(s1 != NULL);
    s_assert(s2 != NULL);

    while ((res = ToUpper(*str1) - ToUpper(*str2)) == 0) {
        str1++;
        str2++;
        n--;
        if (n == 0 || (*str1 == '\0' && *str2 == '\0'))
            return 0;
    }
    return (res);
}

const unsigned char ToLowerTab[] = {
    0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa,
    0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14,
    0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
    0x1e, 0x1f,
    ' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
    '*', '+', ',', '-', '.', '/',
    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
    ':', ';', '<', '=', '>', '?',
    '@', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
    'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
    't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
    '_',
    '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
    'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
    't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
    0x7f,
    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
    0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
    0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
    0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
    0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
    0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
    0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
    0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
    0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
    0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
    0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
    0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
    0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};

const unsigned char ToUpperTab[] = {
    0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa,
    0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14,
    0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
    0x1e, 0x1f,
    ' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
    '*', '+', ',', '-', '.', '/',
    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
    ':', ';', '<', '=', '>', '?',
    '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
    'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
    'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^',
    0x5f,
    '`', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
    'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
    'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^',
    0x7f,
    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
    0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
    0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
    0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
    0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
    0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
    0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
    0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
    0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
    0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
    0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
    0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
    0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};

/*
 * CharAttrs table
 *
 * NOTE: RFC 1459 sez: anything but a ^G, comma, or space is allowed
 * for channel names
 */
const unsigned int CharAttrs[] = {
    /* 0  */ CNTRL_C,
    /* 1  */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 2  */ CNTRL_C | CHAN_C | FCHAN_C | NONEOS_C,
    /* 3  */ CNTRL_C | CHAN_C | FCHAN_C | NONEOS_C,
    /* 4  */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 5  */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 6  */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 7 BEL */ CNTRL_C | NONEOS_C,
    /* 8  \b */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 9  \t */ CNTRL_C | SPACE_C | CHAN_C | NONEOS_C,
    /* 10 \n */ CNTRL_C | SPACE_C | CHAN_C | NONEOS_C | EOL_C,
    /* 11 \v */ CNTRL_C | SPACE_C | CHAN_C | NONEOS_C,
    /* 12 \f */ CNTRL_C | SPACE_C | CHAN_C | NONEOS_C,
    /* 13 \r */ CNTRL_C | SPACE_C | CHAN_C | NONEOS_C | EOL_C,
    /* 14 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 15 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 16 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 17 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 18 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 19 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 20 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 21 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 22 */ CNTRL_C | CHAN_C | FCHAN_C | NONEOS_C,
    /* 23 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 24 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 25 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 26 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 27 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 28 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 29 */ CNTRL_C | CHAN_C | FCHAN_C | NONEOS_C,
    /* 30 */ CNTRL_C | CHAN_C | NONEOS_C,
    /* 31 */ CNTRL_C | CHAN_C | FCHAN_C | NONEOS_C,
    /* SP */ PRINT_C | SPACE_C,
    /* ! */ PRINT_C | KWILD_C | CHAN_C | NONEOS_C,
    /* " */ PRINT_C | CHAN_C | NONEOS_C,
    /* # */ PRINT_C | MWILD_C | CHANPFX_C | CHAN_C | NONEOS_C,
    /* $ */ PRINT_C | CHAN_C | NONEOS_C | USER_C,
    /* % */ PRINT_C | CHAN_C | NONEOS_C,
    /* & */ PRINT_C | CHANPFX_C | CHAN_C | NONEOS_C,
    /* ' */ PRINT_C | CHAN_C | NONEOS_C,
    /* ( */ PRINT_C | CHAN_C | NONEOS_C,
    /* ) */ PRINT_C | CHAN_C | NONEOS_C,
    /* * */ PRINT_C | KWILD_C | MWILD_C | CHAN_C | NONEOS_C,
    /* + */ PRINT_C | CHAN_C | NONEOS_C,
    /* , */ PRINT_C | NONEOS_C,
    /* - */ PRINT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* . */ PRINT_C | KWILD_C | CHAN_C | NONEOS_C | USER_C | HOST_C | SERV_C,
    /* / */ PRINT_C | CHAN_C | NONEOS_C | HOST_C,
    /* 0 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 1 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 2 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 3 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 4 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 5 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 6 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 7 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 8 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* 9 */ PRINT_C | DIGIT_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* : */ PRINT_C | CHAN_C | NONEOS_C | HOST_C,
    /* ; */ PRINT_C | CHAN_C | NONEOS_C,
    /* < */ PRINT_C | CHAN_C | NONEOS_C,
    /* = */ PRINT_C | CHAN_C | NONEOS_C,
    /* > */ PRINT_C | CHAN_C | NONEOS_C,
    /* ? */ PRINT_C | KWILD_C | MWILD_C | CHAN_C | NONEOS_C,
    /* @ */ PRINT_C | KWILD_C | MWILD_C | CHAN_C | NONEOS_C,
    /* A */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* B */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* C */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* D */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* E */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* F */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* G */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* H */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* I */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* J */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* K */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* L */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* M */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* N */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* O */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* P */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* Q */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* R */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* S */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* T */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* U */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* V */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* W */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* X */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* Y */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* Z */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* [ */ PRINT_C | ALPHA_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* \ */ PRINT_C | ALPHA_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* ] */ PRINT_C | ALPHA_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* ^ */ PRINT_C | ALPHA_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* _ */ PRINT_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* ` */ PRINT_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* a */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* b */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* c */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* d */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* e */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* f */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* g */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* h */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* i */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* j */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* k */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* l */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* m */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* n */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* o */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* p */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* q */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* r */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* s */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* t */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* u */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* v */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* w */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* x */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* y */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* z */ PRINT_C | ALPHA_C | LET_C | NICK_C | CHAN_C | NONEOS_C | USER_C | HOST_C,
    /* { */ PRINT_C | ALPHA_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* | */ PRINT_C | ALPHA_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* } */ PRINT_C | ALPHA_C | NICK_C | CHAN_C | NONEOS_C | USER_C,
    /* ~ */ PRINT_C | ALPHA_C | CHAN_C | NONEOS_C | USER_C,
    /* del  */ CHAN_C | NONEOS_C,
    /* 0x80 */ CHAN_C | NONEOS_C,
    /* 0x81 */ CHAN_C | NONEOS_C,
    /* 0x82 */ CHAN_C | NONEOS_C,
    /* 0x83 */ CHAN_C | NONEOS_C,
    /* 0x84 */ CHAN_C | NONEOS_C,
    /* 0x85 */ CHAN_C | NONEOS_C,
    /* 0x86 */ CHAN_C | NONEOS_C,
    /* 0x87 */ CHAN_C | NONEOS_C,
    /* 0x88 */ CHAN_C | NONEOS_C,
    /* 0x89 */ CHAN_C | NONEOS_C,
    /* 0x8A */ CHAN_C | NONEOS_C,
    /* 0x8B */ CHAN_C | NONEOS_C,
    /* 0x8C */ CHAN_C | NONEOS_C,
    /* 0x8D */ CHAN_C | NONEOS_C,
    /* 0x8E */ CHAN_C | NONEOS_C,
    /* 0x8F */ CHAN_C | NONEOS_C,
    /* 0x90 */ CHAN_C | NONEOS_C,
    /* 0x91 */ CHAN_C | NONEOS_C,
    /* 0x92 */ CHAN_C | NONEOS_C,
    /* 0x93 */ CHAN_C | NONEOS_C,
    /* 0x94 */ CHAN_C | NONEOS_C,
    /* 0x95 */ CHAN_C | NONEOS_C,
    /* 0x96 */ CHAN_C | NONEOS_C,
    /* 0x97 */ CHAN_C | NONEOS_C,
    /* 0x98 */ CHAN_C | NONEOS_C,
    /* 0x99 */ CHAN_C | NONEOS_C,
    /* 0x9A */ CHAN_C | NONEOS_C,
    /* 0x9B */ CHAN_C | NONEOS_C,
    /* 0x9C */ CHAN_C | NONEOS_C,
    /* 0x9D */ CHAN_C | NONEOS_C,
    /* 0x9E */ CHAN_C | NONEOS_C,
    /* 0x9F */ CHAN_C | NONEOS_C,
    /* 0xA0 */ CHAN_C | FCHAN_C | NONEOS_C,
    /* 0xA1 */ CHAN_C | NONEOS_C,
    /* 0xA2 */ CHAN_C | NONEOS_C,
    /* 0xA3 */ CHAN_C | NONEOS_C,
    /* 0xA4 */ CHAN_C | NONEOS_C,
    /* 0xA5 */ CHAN_C | NONEOS_C,
    /* 0xA6 */ CHAN_C | NONEOS_C,
    /* 0xA7 */ CHAN_C | NONEOS_C,
    /* 0xA8 */ CHAN_C | NONEOS_C,
    /* 0xA9 */ CHAN_C | NONEOS_C,
    /* 0xAA */ CHAN_C | NONEOS_C,
    /* 0xAB */ CHAN_C | NONEOS_C,
    /* 0xAC */ CHAN_C | NONEOS_C,
    /* 0xAD */ CHAN_C | NONEOS_C,
    /* 0xAE */ CHAN_C | NONEOS_C,
    /* 0xAF */ CHAN_C | NONEOS_C,
    /* 0xB0 */ CHAN_C | NONEOS_C,
    /* 0xB1 */ CHAN_C | NONEOS_C,
    /* 0xB2 */ CHAN_C | NONEOS_C,
    /* 0xB3 */ CHAN_C | NONEOS_C,
    /* 0xB4 */ CHAN_C | NONEOS_C,
    /* 0xB5 */ CHAN_C | NONEOS_C,
    /* 0xB6 */ CHAN_C | NONEOS_C,
    /* 0xB7 */ CHAN_C | NONEOS_C,
    /* 0xB8 */ CHAN_C | NONEOS_C,
    /* 0xB9 */ CHAN_C | NONEOS_C,
    /* 0xBA */ CHAN_C | NONEOS_C,
    /* 0xBB */ CHAN_C | NONEOS_C,
    /* 0xBC */ CHAN_C | NONEOS_C,
    /* 0xBD */ CHAN_C | NONEOS_C,
    /* 0xBE */ CHAN_C | NONEOS_C,
    /* 0xBF */ CHAN_C | NONEOS_C,
    /* 0xC0 */ CHAN_C | NONEOS_C,
    /* 0xC1 */ CHAN_C | NONEOS_C,
    /* 0xC2 */ CHAN_C | NONEOS_C,
    /* 0xC3 */ CHAN_C | NONEOS_C,
    /* 0xC4 */ CHAN_C | NONEOS_C,
    /* 0xC5 */ CHAN_C | NONEOS_C,
    /* 0xC6 */ CHAN_C | NONEOS_C,
    /* 0xC7 */ CHAN_C | NONEOS_C,
    /* 0xC8 */ CHAN_C | NONEOS_C,
    /* 0xC9 */ CHAN_C | NONEOS_C,
    /* 0xCA */ CHAN_C | NONEOS_C,
    /* 0xCB */ CHAN_C | NONEOS_C,
    /* 0xCC */ CHAN_C | NONEOS_C,
    /* 0xCD */ CHAN_C | NONEOS_C,
    /* 0xCE */ CHAN_C | NONEOS_C,
    /* 0xCF */ CHAN_C | NONEOS_C,
    /* 0xD0 */ CHAN_C | NONEOS_C,
    /* 0xD1 */ CHAN_C | NONEOS_C,
    /* 0xD2 */ CHAN_C | NONEOS_C,
    /* 0xD3 */ CHAN_C | NONEOS_C,
    /* 0xD4 */ CHAN_C | NONEOS_C,
    /* 0xD5 */ CHAN_C | NONEOS_C,
    /* 0xD6 */ CHAN_C | NONEOS_C,
    /* 0xD7 */ CHAN_C | NONEOS_C,
    /* 0xD8 */ CHAN_C | NONEOS_C,
    /* 0xD9 */ CHAN_C | NONEOS_C,
    /* 0xDA */ CHAN_C | NONEOS_C,
    /* 0xDB */ CHAN_C | NONEOS_C,
    /* 0xDC */ CHAN_C | NONEOS_C,
    /* 0xDD */ CHAN_C | NONEOS_C,
    /* 0xDE */ CHAN_C | NONEOS_C,
    /* 0xDF */ CHAN_C | NONEOS_C,
    /* 0xE0 */ CHAN_C | NONEOS_C,
    /* 0xE1 */ CHAN_C | NONEOS_C,
    /* 0xE2 */ CHAN_C | NONEOS_C,
    /* 0xE3 */ CHAN_C | NONEOS_C,
    /* 0xE4 */ CHAN_C | NONEOS_C,
    /* 0xE5 */ CHAN_C | NONEOS_C,
    /* 0xE6 */ CHAN_C | NONEOS_C,
    /* 0xE7 */ CHAN_C | NONEOS_C,
    /* 0xE8 */ CHAN_C | NONEOS_C,
    /* 0xE9 */ CHAN_C | NONEOS_C,
    /* 0xEA */ CHAN_C | NONEOS_C,
    /* 0xEB */ CHAN_C | NONEOS_C,
    /* 0xEC */ CHAN_C | NONEOS_C,
    /* 0xED */ CHAN_C | NONEOS_C,
    /* 0xEE */ CHAN_C | NONEOS_C,
    /* 0xEF */ CHAN_C | NONEOS_C,
    /* 0xF0 */ CHAN_C | NONEOS_C,
    /* 0xF1 */ CHAN_C | NONEOS_C,
    /* 0xF2 */ CHAN_C | NONEOS_C,
    /* 0xF3 */ CHAN_C | NONEOS_C,
    /* 0xF4 */ CHAN_C | NONEOS_C,
    /* 0xF5 */ CHAN_C | NONEOS_C,
    /* 0xF6 */ CHAN_C | NONEOS_C,
    /* 0xF7 */ CHAN_C | NONEOS_C,
    /* 0xF8 */ CHAN_C | NONEOS_C,
    /* 0xF9 */ CHAN_C | NONEOS_C,
    /* 0xFA */ CHAN_C | NONEOS_C,
    /* 0xFB */ CHAN_C | NONEOS_C,
    /* 0xFC */ CHAN_C | NONEOS_C,
    /* 0xFD */ CHAN_C | NONEOS_C,
    /* 0xFE */ CHAN_C | NONEOS_C,
    /* 0xFF */ CHAN_C | NONEOS_C
};
