/* Conversion routines for trircd Services program (version 4.26).
 *
 * IRC Services is copyright (c) 1996-2007 Andrew Church.
 *     E-mail: <achurch@achurch.org>
 * Parts written by Andrew Kempe and others.
 * This program is free but copyrighted software; see the file COPYING for
 * details.
 */

#include "convert-db.h"

#if NICKMAX < 32
# error NICKMAX too small (must be >=32)
#elif CHANMAX < 64
# error CHANMAX too small (must be >=64)
#elif PASSMAX < 32
# error PASSMAX too small (must be >=32)
#endif

/*************************************************************************/

static void trircd_load_nick(const char *sourcedir)
{
    dbFILE *f;
    int i, j, c;
    int16 tmp16;
    int32 tmp32;
    NickInfo *ni;
    NickGroupInfo *ngi;

    f = open_db_ver(sourcedir, "nick.db", 22, 25, NULL);
    for (i = 0; i < 256; i++) {
	while ((c = getc_db(f)) == 1) {
	    char nickbuf[32], passbuf[32];
	    SAFE(read_buffer(nickbuf, f));
	    ni = makenick(nickbuf, &ngi);
	    SAFE(read_buffer(passbuf, f));
	    memcpy(ngi->pass, passbuf, sizeof(passbuf));
	    SAFE(read_string(&ngi->url, f));
	    SAFE(read_string(&ngi->email, f));
	    SAFE(read_string(&ni->last_usermask, f));
	    if (!ni->last_usermask)
		ni->last_usermask = (char *)"@";
	    SAFE(read_string(&ni->last_realname, f));
	    if (!ni->last_realname)
		ni->last_realname = (char *)"";
	    SAFE(read_string(&ni->last_quit, f));
	    SAFE(read_int32(&tmp32, f));
	    ni->time_registered = tmp32;
	    SAFE(read_int32(&tmp32, f));
	    ni->last_seen = tmp32;
	    SAFE(read_int16(&tmp16, f));  /* status */
	    if (tmp16 & 0x0001) {
		static int warned = 0;
		if (!warned) {
		    fprintf(stderr,
			    "Warning: passwords are encrypted; be sure to"
			    " be sure to enable the MD5\n"
			    "         encryption module in your Services"
			    " configuration.\n");
		    warned = 1;
		}
	    }
	    if (tmp16 & 0x0002) {
		ni->status |= NS_VERBOTEN;
		del_nickgroupinfo(ngi);
		ni->nickgroup = 0;
	    }
	    if (tmp16 & 0x0004)
		ni->status |= NS_NOEXPIRE;
	    SAFE(read_string(&ni->last_realmask, f));  /* link */
	    SAFE(read_int16(&tmp16, f));  /* linkcount */
	    if (ni->last_realmask) {
		ni->nickgroup = 0;
		SAFE(read_int16(&tmp16, f));  /* channelcount */
	    } else {
		SAFE(read_int32(&tmp32, f));  /* flags */
		if (tmp32 & 0x00000001)
		    ngi->flags |= NF_KILLPROTECT;
		if (tmp32 & 0x00000002)
		    ngi->flags |= NF_SECURE;
		if (tmp32 & 0x00000008)
		    ngi->flags |= NF_MEMO_HARDMAX;
		if (tmp32 & 0x00000010)
		    ngi->flags |= NF_MEMO_SIGNON;
		if (tmp32 & 0x00000020)
		    ngi->flags |= NF_MEMO_RECEIVE;
		if (tmp32 & 0x00000040)
		    ngi->flags |= NF_PRIVATE;
		if (tmp32 & 0x00000080)
		    ngi->flags |= NF_HIDE_EMAIL;
		if (tmp32 & 0x00000100)
		    ngi->flags |= NF_HIDE_MASK;
		if (tmp32 & 0x00000200)
		    ngi->flags |= NF_HIDE_QUIT;
		if (tmp32 & 0x00000400)
		    ngi->flags |= NF_KILL_QUICK;
		if (tmp32 & 0x00000800)
		    ngi->flags |= NF_KILL_IMMED;
		if (tmp32 & 0x80000000)
		    ngi->flags |= NF_MEMO_FWD | NF_MEMO_FWDCOPY;
		SAFE(read_ptr((void **)&ngi->suspendinfo, f));
		if (ngi->suspendinfo) {
		    char *reason;
		    int32 suspended, expires;
		    SAFE(read_buffer(nickbuf, f));
		    SAFE(read_string(&reason, f));
		    SAFE(read_int32(&suspended, f));
		    SAFE(read_int32(&expires, f));
		    ngi->suspendinfo = new_suspendinfo(nickbuf,reason,expires);
		    ngi->suspendinfo->suspended = suspended;
		}
		SAFE(read_int16(&ngi->access_count, f));
		if (ngi->access_count) {
		    char **access;
		    access = scalloc(sizeof(char *), ngi->access_count);
		    ngi->access = access;
		    for (j = 0; j < ngi->access_count; j++, access++)
			SAFE(read_string(access, f));
		}
		SAFE(read_int16(&ngi->memos.memos_count, f));
		SAFE(read_int16(&ngi->memos.memomax, f));
		if (ngi->memos.memos_count) {
		    Memo *memos;
		    memos = scalloc(sizeof(Memo), ngi->memos.memos_count);
		    ngi->memos.memos = memos;
		    for (j = 0; j < ngi->memos.memos_count; j++, memos++) {
			SAFE(read_uint32(&memos->number, f));
			SAFE(read_int16(&tmp16, f));
			if (tmp16 & 1)
			    memos->flags |= MF_UNREAD;
			SAFE(read_int32(&tmp32, f));
			memos->time = tmp32;
			SAFE(read_buffer(nickbuf, f));
			strscpy(memos->sender, nickbuf, NICKMAX);
			SAFE(read_string(&memos->text, f));
		    }
		}
		SAFE(read_int16(&tmp16, f));  /* channelcount */
		SAFE(read_int16(&tmp16, f));  /* channelmax */
		SAFE(read_int16(&ngi->language, f));
	    }
	} /* while (getc_db(f) == 1) */
	if (c != 0) {
	    fprintf(stderr, "%s is corrupt, aborting.\n", f->filename);
	    exit(1);
	}
    } /* for (i) */
    close_db(f);

    /* Resolve links */
    for (ni = first_nickinfo(); ni; ni = next_nickinfo()) {
	NickInfo *ni2;
	const char *last_nick;
	if (ni->last_realmask) {
	    ni2 = ni;
	    /* Find root nick (this will actually stop at the first nick
	     * in the path to the root that isn't marked as linked, but
	     * that's okay because such a nick will already have its
	     * nickgroup ID set correctly) */
	    do {
		last_nick = ni2->last_realmask;
		ni2 = get_nickinfo(last_nick);
	    } while (ni2 && ni2 != ni && ni2->last_realmask);
	    ni->last_realmask = NULL;
	    /* Set nickgroup, or delete nick if an error occurred */
	    if (ni2 == ni) {
		fprintf(stderr,
			"Warning: dropping nick %s with circular link\n",
			ni->nick);
		del_nickinfo(ni);
	    } else if (!ni2) {
		fprintf(stderr, "Warning: dropping nick %s linked to"
			" nonexistent nick %s\n", ni->nick, last_nick);
		del_nickinfo(ni);
	    } else {
		ngi = get_nickgroupinfo(ni->nickgroup);
		if (ngi)
		    del_nickgroupinfo(ngi);
		ni->nickgroup = ni2->nickgroup;
		ngi = get_nickgroupinfo(ni->nickgroup);
		if (ngi) {
		    ARRAY_EXTEND(ngi->nicks);
		    strscpy(ngi->nicks[ngi->nicks_count-1], ni->nick, NICKMAX);
		} else if (ni->nickgroup != 0) {
		    fprintf(stderr, "Warning: Nick group %d for nick %s not"
			    " found -- program bug?  Output may be corrupt.",
			    ni->nickgroup, ni->nick);
		}
	    }
	}
    }
}

/*************************************************************************/

static void trircd_load_ajoin(const char *sourcedir)
{
    dbFILE *f;
    int c;
    int16 j, tmp16;
    int32 tmp32;
    void *tmpptr;
    char *s;
    NickGroupInfo *ngi;

    f = open_db_ver(sourcedir, "ajoin.db", 25, 25, NULL);
    while ((c = getc_db(f)) == 1) {
	int is_root;  /* is this a root nick (should we store data)? */
	char nickbuf[32];

	SAFE(read_buffer(nickbuf, f));
	ngi = get_nickgroupinfo_by_nick(nickbuf);
	is_root = ngi && stricmp(nickbuf, ngi_mainnick(ngi)) == 0;
	SAFE(read_int16(&tmp16, f));  /* ajoincount */
	if (is_root) {
	    ngi->ajoin_count = tmp16;
	    ngi->ajoin = scalloc(sizeof(char *), tmp16);
	    for (j = 0; j < tmp16; j++)
		SAFE(read_string(&ngi->ajoin[j], f));
	} else {
	    for (j = 0; j < tmp16; j++)
		SAFE(read_string(&s, f));
	}
	SAFE(read_ptr((void *)&tmpptr, f));  /* forbidinfo */
	if (tmpptr) {
	    SAFE(read_buffer(nickbuf, f));  /* forbidder */
	    SAFE(read_string(&s, f));  /* forbid_message */
	}
	SAFE(read_int32(&tmp32, f));  /* authcode */
	SAFE(read_int16(&tmp16, f));  /* authmode */
	if (tmp16 & 3)  /* NH_AUTHENTIC | NH_OLDAUTH */
	    tmp32 = 0;
	if (is_root) {
	    ngi->authcode = tmp32;
	    ngi->authset = time(NULL);
	}
	SAFE(read_int16(&tmp16, f));  /* ignorecount */
	if (is_root) {
	    ngi->ignore_count = tmp16;
	    ngi->ignore = scalloc(sizeof(char *), tmp16);
	    for (j = 0; j < ngi->ignore_count; j++) {
		SAFE(read_int16(&tmp16, f));
		if (tmp16)
		    SAFE(read_string(&ngi->ignore[j], f));
	    }
	} else {
	    for (j = tmp16; j > 0; j--) {
		SAFE(read_int16(&tmp16, f));
		if (tmp16)
		    SAFE(read_string(&s, f));
	    }
	}
	SAFE(read_string(&s, f));  /* infomsg */
	if (is_root)
	    ngi->info = s;
	SAFE(read_int32(&tmp32, f));  /* expiredelay */
	SAFE(read_int16(&tmp16, f));  /* count for memo expire */
	for (j = 0; j < tmp16; j++)
	    SAFE(read_int32(&tmp32, f));  /* memo.expiration */
    } /* while (getc_db(f) == 1) */
    if (c != -1)
	fprintf(stderr, "Warning: %s may be corrupt.\n", f->filename);
    close_db(f);
}

/*************************************************************************/

static struct {
    int32 flag;
    char mode;
} cmodes[] = {
    { 0x00000001, 'i' },
    { 0x00000002, 'm' },
    { 0x00000004, 'n' },
    { 0x00000008, 'p' },
    { 0x00000010, 's' },
    { 0x00000020, 't' },
    { 0x00000040, 'k' },
    { 0x00000080, 'l' },
    { 0x00000100, 'R' },
    { 0x00000200, 0   }, /* 'r', never set in mlock */
    { 0x00000400, 'c' },
    { 0x00000800, 'O' },
    { 0x00001000, 'A' },
    { 0x00002000, 'z' },
    { 0x00004000, 'Q' },
    { 0x00008000, 'K' },
    { 0x00010000, 'V' },
    { 0x00020000, 'H' },
    { 0x00040000, 'C' },
    { 0x00080000, 'N' },
    { 0x00100000, 'S' },
    { 0x00200000, 'G' },
    { 0x00400000, 'u' },
    { 0x00800000, 'f' },
    { 0x01000000, 'M' },
    { 0, 0 }
};

static void trircd_load_chan(const char *sourcedir)
{
    dbFILE *f;
    int i, j, c;
    ChannelInfo *ci;
    NickInfo *ni;
    int32 tmp32, mlock_on, mlock_off;

    f = open_db_ver(sourcedir, "chan.db", 22, 25, NULL);

    for (i = 0; i < 256; i++) {
	int16 tmp16;
	char *s, *on, *off;
	char namebuf[64], passbuf[32], nickbuf[32];

	while ((c = getc_db(f)) == 1) {
	    SAFE(read_buffer(namebuf, f));
	    ci = makechan(namebuf);
	    SAFE(read_string(&s, f));
	    if (s) {
		ni = get_nickinfo(s);
		if (!ni) {
		    fprintf(stderr,
			    "Warning: Founder %s for channel %s not found\n",
			    s, ci->name);
		} else if (!ni->nickgroup) {
		    fprintf(stderr, "Warning: Founder %s for channel %s is a"
			    " forbidden nick\n", s, ci->name);
		} else {
		    ci->founder = ni->nickgroup;
		}
	    }
	    SAFE(read_string(&s, f));
	    if (s) {
		ni = get_nickinfo(s);
		if (!ni) {
		    fprintf(stderr, "Warning: Successor %s for channel %s"
			    " not found\n", s, ci->name);
		} else if (!ni->nickgroup) {
		    fprintf(stderr, "Warning: Successor %s for channel %s"
			    " is a forbidden nick\n", s, ci->name);
		} else if (ni->nickgroup == ci->founder) {
		    fprintf(stderr, "Warning: Successor %s for channel %s"
			    " is the same as the founder, clearing\n",
			    s, ci->name);
		} else {
		    ci->successor = ni->nickgroup;
		}
	    }
	    SAFE(read_buffer(passbuf, f));
	    memcpy(ci->founderpass, passbuf, sizeof(passbuf));
	    SAFE(read_string(&ci->desc, f));
	    if (!ci->desc)
		ci->desc = (char *)"";
	    SAFE(read_string(&ci->url, f));
	    SAFE(read_string(&ci->email, f));
	    SAFE(read_int32(&tmp32, f));
	    ci->time_registered = tmp32;
	    SAFE(read_int32(&tmp32, f));
	    ci->last_used = tmp32;
	    SAFE(read_string(&ci->last_topic, f));
	    SAFE(read_buffer(nickbuf, f));
	    strscpy(ci->last_topic_setter, nickbuf, NICKMAX);
	    SAFE(read_int32(&tmp32, f));
	    ci->last_topic_time = tmp32;

	    SAFE(read_int32(&tmp32, f));  /* flags */
	    if (tmp32 & 0x00000001)
		ci->flags |= CI_KEEPTOPIC;
	    if (tmp32 & 0x00000002)
		ci->flags |= CI_SECUREOPS;
	    if (tmp32 & 0x00000004)
		ci->flags |= CI_PRIVATE;
	    if (tmp32 & 0x00000008)
		ci->flags |= CI_TOPICLOCK;
	    if (tmp32 & 0x00000010)
		ci->flags |= CI_RESTRICTED;
	    if (tmp32 & 0x00000020)
		ci->flags |= CI_LEAVEOPS;
	    if (tmp32 & 0x00000040)
		ci->flags |= CI_SECURE;
	    if (tmp32 & 0x00000080)
		ci->flags |= CI_VERBOTEN;
	    if (tmp32 & 0x00000200)
		ci->flags |= CI_NOEXPIRE;
	    if (tmp32 & 0x00000400)
		ci->flags |= CI_MEMO_HARDMAX;
	    if (tmp32 & 0x01000000)
		ci->flags |= CI_HIDE_TOPIC;
	    if (tmp32 & 0x04000000)
		ci->flags |= CI_HIDE_MLOCK;
	    if (tmp32 & 0x80000000)
		ci->flags |= CI_HIDE_EMAIL;

	    SAFE(read_ptr((void **)&ci->suspendinfo, f));
	    if (ci->suspendinfo) {
		char *reason;
		int32 suspended, expires;
		SAFE(read_buffer(nickbuf, f));
		SAFE(read_string(&reason, f));
		SAFE(read_int32(&suspended, f));
		SAFE(read_int32(&expires, f));
		ci->suspendinfo = new_suspendinfo(nickbuf, reason, expires);
		ci->suspendinfo->suspended = suspended;
	    }

	    SAFE(read_int16(&tmp16, f));  /* n_levels */
	    for (j = tmp16; j > 0; j--)
		SAFE(read_int16(&tmp16, f));  /* levels */

	    SAFE(read_int16(&ci->access_count, f));
	    if (ci->access_count) {
		ci->access = scalloc(ci->access_count, sizeof(ChanAccess));
		for (j = 0; j < ci->access_count; j++) {
		    SAFE(read_int16(&tmp16, f));  /* in_use */
		    if (tmp16) {
			SAFE(read_int16(&ci->access[j].level, f));
			SAFE(read_string(&s, f));
			ci->access[j].level =
			    convert_acclev(ci->access[j].level);
			if (s) {
			    ni = get_nickinfo(s);
			    if (ni)
				ci->access[j].nickgroup = ni->nickgroup;
			}
		    }
		}
	    }

	    SAFE(read_int16(&ci->akick_count, f));
	    if (ci->akick_count) {
		ci->akick = scalloc(ci->akick_count, sizeof(AutoKick));
		for (j = 0; j < ci->akick_count; j++) {
		    SAFE(read_int16(&tmp16, f));  /* in_use */
		    if (tmp16) {
			SAFE(read_int16(&tmp16, f));  /* is_nick */
			SAFE(read_string(&s, f));
			if (tmp16 && s) {
			    ci->akick[j].mask = smalloc(strlen(s)+5);
			    sprintf(ci->akick[j].mask, "%s!*@*", s);
			} else {
			    ci->akick[j].mask = s;
			}
			SAFE(read_string(&s, f));
			SAFE(read_buffer(nickbuf, f));
			if (ci->akick[j].mask) {
			    ci->akick[j].reason = s;
			    strscpy(ci->akick[j].who, nickbuf, NICKMAX);
			    ci->akick[j].set = time(NULL);
			}
		    }
		}
	    }

	    SAFE(read_int32(&mlock_on, f));
	    SAFE(read_int32(&mlock_off, f));
	    ci->mlock_on = on = scalloc(64, 1);
	    ci->mlock_off = off = scalloc(64, 1);
	    for (j = 0; cmodes[j].flag != 0; j++) {
		if (mlock_on & cmodes[j].flag)
		    *on++ = cmodes[j].mode;
		if (mlock_off & cmodes[j].flag)
		    *off++ = cmodes[j].mode;
	    }
	    *on = 0;
	    *off = 0;
	    SAFE(read_int32(&ci->mlock_limit, f));
	    SAFE(read_string(&ci->mlock_key, f));

	    SAFE(read_int16(&ci->memos.memos_count, f));
	    SAFE(read_int16(&tmp16, f));  /* memomax */
	    ci->memos.memomax = MEMOMAX_DEFAULT;
	    if (ci->memos.memos_count) {
		Memo *memos;
		memos = scalloc(sizeof(Memo), ci->memos.memos_count);
		ci->memos.memos = memos;
		for (j = 0; j < ci->memos.memos_count; j++, memos++) {
		    SAFE(read_uint32(&memos->number, f));
		    SAFE(read_int16(&memos->flags, f));
		    SAFE(read_int32(&tmp32, f));
		    memos->time = tmp32;
		    SAFE(read_buffer(nickbuf, f));
		    strscpy(memos->sender, nickbuf, NICKMAX);
		    SAFE(read_string(&memos->text, f));
		}
	    }

	    SAFE(read_string(&ci->entry_message, f));

	    if ((ci->flags & CI_VERBOTEN) || ci->founder)
		add_channelinfo(ci);

	} /* while (getc_db(f) == 1) */
	if (c != 0) {
	    fprintf(stderr, "%s is corrupt, aborting.\n", f->filename);
	    exit(1);
	}
    } /* for (i) */
    close_db(f);
}

/*************************************************************************/

static void trircd_load_cforbid(const char *sourcedir)
{
    dbFILE *f;
    int c;

    f = open_db_ver(sourcedir, "cforbid.db", 25, 25, NULL);
    while ((c = getc_db(f)) == 1) {
	char chanbuf[64];
	void *tmpptr;
	int8 tmp8;
	int16 i, tmp16;
	int32 tmp32;
	char *s;
	ChannelInfo *ci;

	SAFE(read_buffer(chanbuf, f));
	ci = get_channelinfo(chanbuf);
	if (!ci) {
	    fprintf(stderr, "Warning: cforbid data for nonexistent channel"
		    " %s, ignoring\n", chanbuf);
	}
	SAFE(read_ptr(&tmpptr, f));  /* forbidinfo */
	if (tmpptr) {
	    char nickbuf[32];
	    SAFE(read_buffer(nickbuf, f));  /* forbidder */
	    SAFE(read_string(&s, f));  /* forbid_message */
	}
	SAFE(read_int16(&tmp16, f));  /* akickcount */
	if (ci && tmp16 != ci->akick_count) {
	    fprintf(stderr, "Warning: autokick count mismatch (chan.db: %d,"
		    " cforbid.db: %d); databases may be corrupt\n",
		    ci->akick_count, tmp16);
	}
	for (i = 0; i < tmp16; i++) {
	    int16 in_use;
	    SAFE(read_int16(&in_use, f));
	    if (in_use) {
		if (ci && i < ci->akick_count) {
		    SAFE(read_int32(&tmp32, f));
		    ci->akick[i].set = tmp32;
		    SAFE(read_int32(&tmp32, f));
		    ci->akick[i].lastused = tmp32;
		} else {
		    SAFE(read_int32(&tmp32, f));
		    SAFE(read_int32(&tmp32, f));
		}
		SAFE(read_int32(&tmp32, f));  /* expires */
	    }
	}
	SAFE(read_int16(&tmp16, f));  /* accesscount */
	for (i = tmp16; i > 0; i--) {
	    SAFE(read_int16(&tmp16, f));  /* in_use */
	    if (tmp16)
		SAFE(read_int32(&tmp32, f));  /* last_used */
	}
	SAFE(read_int8(&tmp8, f));
	if (tmp8 != 0) {
	    fprintf(stderr, "%s is corrupt, aborting.\n", f->filename);
	    exit(1);
	}
    } /* while (getc_db(f) == 1) */
    if (c != -1)
	fprintf(stderr, "Warning: %s may be corrupt.\n", f->filename);
    close_db(f);
}

/*************************************************************************/

static void trircd_load_oper(const char *sourcedir)
{
    dbFILE *f;
    int16 i, n;
    int32 tmp32;
    int8 tmp8;
    char *s;

    f = open_db_ver(sourcedir, "oper.db", 22, 25, NULL);
    /* servadmin */
    SAFE(read_int16(&n, f));
    for (i = 0; i < n; i++) {
	SAFE(read_string(&s, f));
	set_os_priv(s, NP_SERVADMIN);
    }
    /* servoper */
    SAFE(read_int16(&n, f));
    for (i = 0; i < n; i++) {
	SAFE(read_string(&s, f));
	set_os_priv(s, NP_SERVOPER);
    }
    SAFE(read_int32(&maxusercnt, f));
    SAFE(read_int32(&tmp32, f));
    maxusertime = tmp32;
    SAFE(read_int8(&tmp8, f));
    no_supass = tmp8;
    if (!no_supass) {
	char passbuf[32];
	SAFE(read_buffer(passbuf, f));
	memcpy(supass, passbuf, sizeof(passbuf));
    }
    close_db(f);
}

/*************************************************************************/

static void trircd_load_akill(const char *sourcedir)
{
    dbFILE *f;
    int16 i, n;
    MaskData *md;

    f = open_db_ver(sourcedir, "akill.db", 22, 25, NULL);
    SAFE(read_int16(&n, f));
    md = scalloc(sizeof(*md), n);
    for (i = 0; i < n; i++) {
	char nick[32];
	int32 tmp32;
	SAFE(read_string(&md[i].mask, f));
	SAFE(read_string(&md[i].reason, f));
	SAFE(read_buffer(nick, f));
	strscpy(md[i].who, nick, NICKMAX);
	SAFE(read_int32(&tmp32, f));
	md[i].time = tmp32;
	SAFE(read_int32(&tmp32, f));
	md[i].expires = tmp32;
	if (md[i].mask)
	    add_maskdata(MD_AKILL, &md[i]);
    }
    close_db(f);
}

/*************************************************************************/

static void trircd_load_exclude(const char *sourcedir)
{
    dbFILE *f;
    int16 i, n;
    MaskData *md;

    f = open_db_ver(sourcedir, "exclude.db", 22, 25, NULL);
    SAFE(read_int16(&n, f));
    md = scalloc(sizeof(*md), n);
    for (i = 0; i < n; i++) {
	char nick[32];
	int32 tmp32;
	SAFE(read_string(&md[i].mask, f));
	SAFE(read_string(&md[i].reason, f));
	SAFE(read_buffer(nick, f));
	strscpy(md[i].who, nick, NICKMAX);
	SAFE(read_int32(&tmp32, f));
	md[i].time = tmp32;
	SAFE(read_int32(&tmp32, f));
	md[i].expires = tmp32;
	if (md[i].mask)
	    add_maskdata(MD_EXCLUSION, &md[i]);
    }
    close_db(f);
}

/*************************************************************************/

static void trircd_load_exception(const char *sourcedir)
{
    dbFILE *f;
    int16 i, n;
    MaskData *md;

    f = open_db_ver(sourcedir, "exception.db", 22, 25, NULL);
    SAFE(read_int16(&n, f));
    md = scalloc(sizeof(*md), n);
    for (i = 0; i < n; i++) {
	char nick[32];
	int32 tmp32;
	SAFE(read_string(&md[i].mask, f));
	SAFE(read_int16(&md[i].limit, f));
	SAFE(read_buffer(nick, f));
	strscpy(md[i].who, nick, NICKMAX);
	SAFE(read_string(&md[i].reason, f));
	SAFE(read_int32(&tmp32, f));
	md[i].time = tmp32;
	SAFE(read_int32(&tmp32, f));
	md[i].expires = tmp32;
	if (md[i].mask)
	    add_maskdata(MD_AKILL, &md[i]);
    }
    close_db(f);
}

/*************************************************************************/

static void trircd_load_news(const char *sourcedir)
{
    dbFILE *f;
    int16 i, n;
    NewsItem *news;

    f = open_db_ver(sourcedir, "news.db", 22, 25, NULL);
    SAFE(read_int16(&n, f));
    news = scalloc(sizeof(*news), n);
    for (i = 0; i < n; i++) {
	char nick[32];
	int32 tmp32;
	SAFE(read_int16(&news[i].type, f));
	SAFE(read_int32(&news[i].num, f));
	SAFE(read_string(&news[i].text, f));
	SAFE(read_buffer(nick, f));
	strscpy(news[i].who, nick, NICKMAX);
	SAFE(read_int32(&tmp32, f));
	news[i].time = tmp32;
	add_news(&news[i]);
    }
    close_db(f);
}

/*************************************************************************/

static void trircd_load_sline(const char *sourcedir, const unsigned char type)
{
    char filenamebuf[16];
    dbFILE *f;
    int32 ver;
    int16 i, n;
    MaskData *md;

    snprintf(filenamebuf, sizeof(filenamebuf), "s%cline.db", type);
    f = open_db_ver(sourcedir, filenamebuf, 22, 25, &ver);
    read_int16(&n, f);
    md = scalloc(sizeof(*md), n);
    for (i = 0; i < n; i++) {
	char nickbuf[32];
	int32 tmp32;
	SAFE(read_string(&md[i].mask, f));
	SAFE(read_string(&md[i].reason, f));
	SAFE(read_buffer(nickbuf, f));
	strscpy(md[i].who, nickbuf, NICKMAX);
	if (ver >= 23) {
	    SAFE(read_int32(&tmp32, f));
	    md[i].time = tmp32;
	    SAFE(read_int32(&tmp32, f));
	    md[i].expires = tmp32;
	} else {
	    md[i].time = time(NULL);
	}
	if (md[i].mask)
	    add_maskdata(type, &md[i]);
    }
    close_db(f);
}

/*************************************************************************/
/*************************************************************************/

static const char *check_trircd(const char *sourcedir)
{
    char buf[PATH_MAX+1];
    FILE *f;

    snprintf(buf, sizeof(buf), "%s/cforbid.db", sourcedir);
    if ((f = fopen(buf, "rb")) != NULL) {
	int32 ver;
	ver  = fgetc(f)<<24;
	ver |= fgetc(f)<<16;
	ver |= fgetc(f)<< 8;
	ver |= fgetc(f);
	fclose(f);
	if (ver == 25)
	    return "trircd-4.26";
    }
    return NULL;
}

static void load_trircd(const char *sourcedir, int verbose, int ac, char **av)
{
    if (ac > 1) {
	fprintf(stderr, "Unrecognized option %s\n", av[1]);
	usage(av[0]);
    }
    if (verbose)
	fprintf(stderr, "Loading nick.db...\n");
    trircd_load_nick(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading ajoin.db...\n");
    trircd_load_ajoin(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading chan.db...\n");
    trircd_load_chan(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading cforbid.db...\n");
    trircd_load_cforbid(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading oper.db...\n");
    trircd_load_oper(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading akill.db...\n");
    trircd_load_akill(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading exclude.db...\n");
    trircd_load_exclude(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading exception.db...\n");
    trircd_load_exception(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading news.db...\n");
    trircd_load_news(sourcedir);
    if (verbose)
	fprintf(stderr, "Loading sgline.db...\n");
    trircd_load_sline(sourcedir, 'g');
    if (verbose)
	fprintf(stderr, "Loading sqline.db...\n");
    trircd_load_sline(sourcedir, 'q');
    if (verbose)
	fprintf(stderr, "Loading szline.db...\n");
    trircd_load_sline(sourcedir, 'z');
}

/*************************************************************************/
/*************************************************************************/

DBTypeInfo dbtype_trircd_4_26 = {
    "trircd-4.26",
    check_trircd,
    load_trircd
};

/*************************************************************************/