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pissircd/src/modules/dccdeny.c

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/*
* IRC - Internet Relay Chat, src/modules/dccdeny.c
* (C) 2004-2019 The UnrealIRCd Team
*
* See file AUTHORS in IRC package for additional names of
* the programmers.
*
* 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 "unrealircd.h"
ModuleHeader MOD_HEADER
= {
"dccdeny",
"6.0.2",
"command /dccdeny",
"UnrealIRCd Team",
"unrealircd-6",
};
/* Variables */
ConfigItem_deny_dcc *conf_deny_dcc = NULL;
ConfigItem_allow_dcc *conf_allow_dcc = NULL;
/* Forward declarions */
int dccdeny_configtest_deny_dcc(ConfigFile *cf, ConfigEntry *ce, int type, int *errs);
int dccdeny_configtest_allow_dcc(ConfigFile *cf, ConfigEntry *ce, int type, int *errs);
int dccdeny_configrun_deny_dcc(ConfigFile *cf, ConfigEntry *ce, int type);
int dccdeny_configrun_allow_dcc(ConfigFile *cf, ConfigEntry *ce, int type);
int dccdeny_stats(Client *client, const char *para);
int dccdeny_dcc_denied(Client *client, const char *target, const char *realfile, const char *displayfile, ConfigItem_deny_dcc *dccdeny);
CMD_FUNC(cmd_dccdeny);
CMD_FUNC(cmd_undccdeny);
CMD_FUNC(cmd_svsfline);
int dccdeny_can_send_to_user(Client *client, Client *target, const char **text, const char **errmsg, SendType sendtype);
int dccdeny_can_send_to_channel(Client *client, Channel *channel, Membership *lp, const char **msg, const char **errmsg, SendType sendtype);
int dccdeny_server_sync(Client *client);
static ConfigItem_deny_dcc *dcc_isforbidden(Client *client, const char *filename);
static ConfigItem_deny_dcc *dcc_isdiscouraged(Client *client, const char *filename);
static void DCCdeny_add(const char *filename, const char *reason, int type, int type2);
static void DCCdeny_del(ConfigItem_deny_dcc *deny);
static void dcc_wipe_services(void);
static const char *get_dcc_filename(const char *text);
static int can_dcc(Client *client, const char *target, Client *targetcli, const char *filename, const char **errmsg);
static int can_dcc_soft(Client *from, Client *to, const char *filename, const char **errmsg);
static void free_dcc_config_blocks(void);
void dccdeny_unload_free_all_conf_deny_dcc(ModData *m);
void dccdeny_unload_free_all_conf_allow_dcc(ModData *m);
ConfigItem_deny_dcc *find_deny_dcc(const char *name);
MOD_TEST()
{
HookAdd(modinfo->handle, HOOKTYPE_CONFIGTEST, 0, dccdeny_configtest_deny_dcc);
HookAdd(modinfo->handle, HOOKTYPE_CONFIGTEST, 0, dccdeny_configtest_allow_dcc);
return MOD_SUCCESS;
}
MOD_INIT()
{
MARK_AS_OFFICIAL_MODULE(modinfo);
LoadPersistentPointer(modinfo, conf_deny_dcc, dccdeny_unload_free_all_conf_deny_dcc);
LoadPersistentPointer(modinfo, conf_allow_dcc, dccdeny_unload_free_all_conf_allow_dcc);
HookAdd(modinfo->handle, HOOKTYPE_CONFIGRUN, 0, dccdeny_configrun_deny_dcc);
HookAdd(modinfo->handle, HOOKTYPE_CONFIGRUN, 0, dccdeny_configrun_allow_dcc);
CommandAdd(modinfo->handle, "DCCDENY", cmd_dccdeny, 2, CMD_USER);
CommandAdd(modinfo->handle, "UNDCCDENY", cmd_undccdeny, MAXPARA, CMD_USER);
CommandAdd(modinfo->handle, "SVSFLINE", cmd_svsfline, MAXPARA, CMD_SERVER);
HookAdd(modinfo->handle, HOOKTYPE_STATS, 0, dccdeny_stats);
HookAdd(modinfo->handle, HOOKTYPE_CAN_SEND_TO_USER, 0, dccdeny_can_send_to_user);
HookAdd(modinfo->handle, HOOKTYPE_CAN_SEND_TO_CHANNEL, 0, dccdeny_can_send_to_channel);
HookAdd(modinfo->handle, HOOKTYPE_SERVER_SYNC, 0, dccdeny_server_sync);
HookAdd(modinfo->handle, HOOKTYPE_DCC_DENIED, 0, dccdeny_dcc_denied);
return MOD_SUCCESS;
}
MOD_LOAD()
{
return MOD_SUCCESS;
}
MOD_UNLOAD()
{
free_dcc_config_blocks();
SavePersistentPointer(modinfo, conf_deny_dcc);
SavePersistentPointer(modinfo, conf_allow_dcc);
return MOD_SUCCESS;
}
int dccdeny_configtest_deny_dcc(ConfigFile *cf, ConfigEntry *ce, int type, int *errs)
{
ConfigEntry *cep;
int errors = 0;
char has_filename = 0, has_reason = 0, has_soft = 0;
/* We are only interested in deny dcc { } */
if ((type != CONFIG_DENY) || strcmp(ce->value, "dcc"))
return 0;
for (cep = ce->items; cep; cep = cep->next)
{
if (config_is_blankorempty(cep, "deny dcc"))
{
errors++;
continue;
}
if (!strcmp(cep->name, "filename"))
{
if (has_filename)
{
config_warn_duplicate(cep->file->filename,
cep->line_number, "deny dcc::filename");
continue;
}
has_filename = 1;
}
else if (!strcmp(cep->name, "reason"))
{
if (has_reason)
{
config_warn_duplicate(cep->file->filename,
cep->line_number, "deny dcc::reason");
continue;
}
has_reason = 1;
}
else if (!strcmp(cep->name, "soft"))
{
if (has_soft)
{
config_warn_duplicate(cep->file->filename,
cep->line_number, "deny dcc::soft");
continue;
}
has_soft = 1;
}
else
{
config_error_unknown(cep->file->filename,
cep->line_number, "deny dcc", cep->name);
errors++;
}
}
if (!has_filename)
{
config_error_missing(ce->file->filename, ce->line_number,
"deny dcc::filename");
errors++;
}
if (!has_reason)
{
config_error_missing(ce->file->filename, ce->line_number,
"deny dcc::reason");
errors++;
}
*errs = errors;
return errors ? -1 : 1;
}
int dccdeny_configtest_allow_dcc(ConfigFile *cf, ConfigEntry *ce, int type, int *errs)
{
ConfigEntry *cep;
int errors = 0, has_filename = 0, has_soft = 0;
/* We are only interested in allow dcc { } */
if ((type != CONFIG_ALLOW) || strcmp(ce->value, "dcc"))
return 0;
for (cep = ce->items; cep; cep = cep->next)
{
if (config_is_blankorempty(cep, "allow dcc"))
{
errors++;
continue;
}
if (!strcmp(cep->name, "filename"))
{
if (has_filename)
{
config_warn_duplicate(cep->file->filename,
cep->line_number, "allow dcc::filename");
continue;
}
has_filename = 1;
}
else if (!strcmp(cep->name, "soft"))
{
if (has_soft)
{
config_warn_duplicate(cep->file->filename,
cep->line_number, "allow dcc::soft");
continue;
}
has_soft = 1;
}
else
{
config_error_unknown(cep->file->filename, cep->line_number,
"allow dcc", cep->name);
errors++;
}
}
if (!has_filename)
{
config_error_missing(ce->file->filename, ce->line_number,
"allow dcc::filename");
errors++;
}
*errs = errors;
return errors ? -1 : 1;
}
int dccdeny_configrun_deny_dcc(ConfigFile *cf, ConfigEntry *ce, int type)
{
ConfigItem_deny_dcc *deny = NULL;
ConfigEntry *cep;
/* We are only interested in deny dcc { } */
if ((type != CONFIG_DENY) || strcmp(ce->value, "dcc"))
return 0;
deny = safe_alloc(sizeof(ConfigItem_deny_dcc));
for (cep = ce->items; cep; cep = cep->next)
{
if (!strcmp(cep->name, "filename"))
{
safe_strdup(deny->filename, cep->value);
}
else if (!strcmp(cep->name, "reason"))
{
safe_strdup(deny->reason, cep->value);
}
else if (!strcmp(cep->name, "soft"))
{
int x = config_checkval(cep->value,CFG_YESNO);
if (x == 1)
deny->flag.type = DCCDENY_SOFT;
}
}
if (!deny->reason)
{
if (deny->flag.type == DCCDENY_HARD)
safe_strdup(deny->reason, "Possible infected virus file");
else
safe_strdup(deny->reason, "Possible executable content");
}
AddListItem(deny, conf_deny_dcc);
return 0;
}
int dccdeny_configrun_allow_dcc(ConfigFile *cf, ConfigEntry *ce, int type)
{
ConfigItem_allow_dcc *allow = NULL;
ConfigEntry *cep;
/* We are only interested in allow dcc { } */
if ((type != CONFIG_ALLOW) || strcmp(ce->value, "dcc"))
return 0;
allow = safe_alloc(sizeof(ConfigItem_allow_dcc));
for (cep = ce->items; cep; cep = cep->next)
{
if (!strcmp(cep->name, "filename"))
safe_strdup(allow->filename, cep->value);
else if (!strcmp(cep->name, "soft"))
{
int x = config_checkval(cep->value,CFG_YESNO);
if (x)
allow->flag.type = DCCDENY_SOFT;
}
}
AddListItem(allow, conf_allow_dcc);
return 1;
}
/** Free allow dcc { } and deny dcc { } blocks, called on REHASH */
void free_dcc_config_blocks(void)
{
ConfigItem_deny_dcc *d, *d_next;
ConfigItem_allow_dcc *a, *a_next;
for (d = conf_deny_dcc; d; d = d_next)
{
d_next = d->next;
if (d->flag.type2 == CONF_BAN_TYPE_CONF)
{
safe_free(d->filename);
safe_free(d->reason);
DelListItem(d, conf_deny_dcc);
safe_free(d);
}
}
for (a = conf_allow_dcc; a; a = a_next)
{
a_next = a->next;
if (a->flag.type2 == CONF_BAN_TYPE_CONF)
{
safe_free(a->filename);
DelListItem(a, conf_allow_dcc);
safe_free(a);
}
}
}
/** Free all deny dcc { } blocks - only called on permanent module unload (rare) */
void dccdeny_unload_free_all_conf_deny_dcc(ModData *m)
{
ConfigItem_deny_dcc *d, *d_next;
for (d = conf_deny_dcc; d; d = d_next)
{
d_next = d->next;
safe_free(d->filename);
safe_free(d->reason);
DelListItem(d, conf_deny_dcc);
safe_free(d);
}
conf_deny_dcc = NULL;
}
/** Free all allow dcc { } blocks - only called on permanent module unload (rare) */
void dccdeny_unload_free_all_conf_allow_dcc(ModData *m)
{
ConfigItem_allow_dcc *a, *a_next;
for (a = conf_allow_dcc; a; a = a_next)
{
a_next = a->next;
safe_free(a->filename);
DelListItem(a, conf_allow_dcc);
safe_free(a);
}
conf_allow_dcc = NULL;
}
/* Add a temporary dccdeny line
*
* parv[1] - file
* parv[2] - reason
*/
CMD_FUNC(cmd_dccdeny)
{
if (!MyUser(client))
return;
if (!ValidatePermissionsForPath("server-ban:dccdeny",client,NULL,NULL,NULL))
{
sendnumeric(client, ERR_NOPRIVILEGES);
return;
}
if ((parc < 2) || BadPtr(parv[2]))
{
sendnumeric(client, ERR_NEEDMOREPARAMS, "DCCDENY");
return;
}
if (!find_deny_dcc(parv[1]))
{
unreal_log(ULOG_INFO, "dccdeny", "DCCDENY_ADD", client,
"[dccdeny] $client added a temporary DCCDENY for $file ($reason)",
log_data_string("file", parv[1]),
log_data_string("reason", parv[2]));
DCCdeny_add(parv[1], parv[2], DCCDENY_HARD, CONF_BAN_TYPE_TEMPORARY);
return;
} else
{
sendnotice(client, "*** %s already has a dccdeny", parv[1]);
}
}
/* Remove a temporary dccdeny line
* parv[1] - file/mask
*/
CMD_FUNC(cmd_undccdeny)
{
ConfigItem_deny_dcc *d;
if (!MyUser(client))
return;
if (!ValidatePermissionsForPath("server-ban:dccdeny",client,NULL,NULL,NULL))
{
sendnumeric(client, ERR_NOPRIVILEGES);
return;
}
if ((parc < 2) || BadPtr(parv[1]))
{
sendnumeric(client, ERR_NEEDMOREPARAMS, "UNDCCDENY");
return;
}
if ((d = find_deny_dcc(parv[1])) && d->flag.type2 == CONF_BAN_TYPE_TEMPORARY)
{
unreal_log(ULOG_INFO, "dccdeny", "DCCDENY_DEL", client,
"[dccdeny] $client removed a temporary DCCDENY for $file ($reason)",
log_data_string("file", d->filename),
log_data_string("reason", d->reason));
DCCdeny_del(d);
return;
} else
{
sendnotice(client, "*** Unable to find a temp dccdeny matching %s", parv[1]);
}
}
CMD_FUNC(cmd_svsfline)
{
if (parc < 2)
return;
switch (*parv[1])
{
/* Allow non-U-Lines to send ONLY SVSFLINE +, but don't send it out
* unless it is from a U-Line -- codemastr
*/
case '+':
{
if (parc < 4)
return;
if (!find_deny_dcc(parv[2]))
DCCdeny_add(parv[2], parv[3], DCCDENY_HARD, CONF_BAN_TYPE_AKILL);
if (IsULine(client))
{
sendto_server(client, 0, 0, NULL, ":%s SVSFLINE + %s :%s",
client->id, parv[2], parv[3]);
}
break;
}
case '-':
{
ConfigItem_deny_dcc *deny;
if (!IsULine(client))
return;
if (parc < 3)
return;
if (!(deny = find_deny_dcc(parv[2])))
break;
DCCdeny_del(deny);
sendto_server(client, 0, 0, NULL, ":%s SVSFLINE %s", client->id, parv[2]);
break;
}
case '*':
{
if (!IsULine(client))
return;
dcc_wipe_services();
sendto_server(client, 0, 0, NULL, ":%s SVSFLINE *", client->id);
break;
}
}
}
/** Sync the DCC entries on server connect */
int dccdeny_server_sync(Client *client)
{
ConfigItem_deny_dcc *p;
for (p = conf_deny_dcc; p; p = p->next)
{
if (p->flag.type2 == CONF_BAN_TYPE_AKILL)
sendto_one(client, NULL, ":%s SVSFLINE + %s :%s", me.id,
p->filename, p->reason);
}
return 0;
}
/** Check if a DCC should be blocked (user-to-user) */
int dccdeny_can_send_to_user(Client *client, Client *target, const char **text, const char **errmsg, SendType sendtype)
{
if (**text == '\001')
{
const char *filename = get_dcc_filename(*text);
if (filename)
{
if (MyUser(client) && !can_dcc(client, target->name, target, filename, errmsg))
return HOOK_DENY;
if (MyUser(target) && !can_dcc_soft(client, target, filename, errmsg))
return HOOK_DENY;
}
}
return HOOK_CONTINUE;
}
/** Check if a DCC should be blocked (user-to-channel, unusual) */
int dccdeny_can_send_to_channel(Client *client, Channel *channel, Membership *lp, const char **msg, const char **errmsg, SendType sendtype)
{
static char errbuf[512];
if (MyUser(client) && (**msg == '\001'))
{
const char *err = NULL;
const char *filename = get_dcc_filename(*msg);
if (filename && !can_dcc(client, channel->name, NULL, filename, &err))
{
strlcpy(errbuf, err, sizeof(errbuf));
*errmsg = errbuf;
return HOOK_DENY;
}
}
return HOOK_CONTINUE;
}
/* e->flag.type2:
* CONF_BAN_TYPE_AKILL banned by SVSFLINE ('global')
* CONF_BAN_TYPE_CONF banned by conf
* CONF_BAN_TYPE_TEMPORARY banned by /DCCDENY ('temporary')
* e->flag.type:
* DCCDENY_HARD Fully denied
* DCCDENY_SOFT Denied, but allowed to override via /DCCALLOW
*/
/** Make a viewable dcc filename.
* This is to protect a bit against tricks like 'flood-it-off-the-buffer'
* and color 1,1 etc...
*/
static const char *dcc_displayfile(const char *f)
{
static char buf[512];
const char *i;
char *o = buf;
size_t n = strlen(f);
if (n < 300)
{
for (i = f; *i; i++)
if (*i < 32)
*o++ = '?';
else
*o++ = *i;
*o = '\0';
return buf;
}
/* Else, we show it as: [first 256 chars]+"[..TRUNCATED..]"+[last 20 chars] */
for (i = f; i < f+256; i++)
if (*i < 32)
*o++ = '?';
else
*o++ = *i;
strcpy(o, "[..TRUNCATED..]");
o += sizeof("[..TRUNCATED..]");
for (i = f+n-20; *i; i++)
if (*i < 32)
*o++ = '?';
else
*o++ = *i;
*o = '\0';
return buf;
}
static const char *get_dcc_filename(const char *text)
{
static char filename[BUFSIZE+1];
char *end;
int size_string;
if (*text != '\001')
return 0;
if (!strncasecmp(text+1, "DCC SEND ", 9))
text = text + 10;
else if (!strncasecmp(text+1, "DCC RESUME ", 11))
text = text + 12;
else
return 0;
for (; *text == ' '; text++); /* skip leading spaces */
if (*text == '"' && *(text+1))
end = strchr(text+1, '"');
else
end = strchr(text, ' ');
if (!end || (end < text))
return 0;
size_string = (int)(end - text);
if (!size_string || (size_string > (BUFSIZE - 1)))
return 0;
strlcpy(filename, text, size_string+1);
return filename;
}
/** Checks if a DCC SEND is allowed.
* @param client Sending client
* @param target Target name (user or channel)
* @param targetcli Target client (NULL in case of channel!)
* @param text The entire message
* @returns 1 if DCC SEND allowed, 0 if rejected
*/
static int can_dcc(Client *client, const char *target, Client *targetcli, const char *filename, const char **errmsg)
{
ConfigItem_deny_dcc *fl;
static char errbuf[256];
int size_string, ret;
/* User (IRCOp) may bypass send restrictions */
if (ValidatePermissionsForPath("immune:dcc",client,targetcli,NULL,NULL))
return 1;
/* User (IRCOp) likes to receive bad dcc's */
if (targetcli && ValidatePermissionsForPath("self:getbaddcc",targetcli,NULL,NULL,NULL))
return 1;
/* Check if user is already blocked (from the past) */
if (IsDCCBlock(client))
{
*errmsg = "*** You are blocked from sending files as you have tried to "
"send a forbidden file - reconnect to regain ability to send";
return 0;
}
if (match_spamfilter(client, filename, SPAMF_DCC, "PRIVMSG", target, 0, NULL))
{
/* Dirty hack, yeah spamfilter already sent the error message :( */
*errmsg = "";
return 0;
}
if ((fl = dcc_isforbidden(client, filename)))
{
const char *displayfile = dcc_displayfile(filename);
RunHook(HOOKTYPE_DCC_DENIED, client, target, filename, displayfile, fl);
ircsnprintf(errbuf, sizeof(errbuf), "Cannot DCC SEND file: %s", fl->reason);
*errmsg = errbuf;
SetDCCBlock(client);
return 0;
}
/* Channel dcc (???) and discouraged? just block */
if (!targetcli && ((fl = dcc_isdiscouraged(client, filename))))
{
ircsnprintf(errbuf, sizeof(errbuf), "Cannot DCC SEND file: %s", fl->reason);
*errmsg = errbuf;
return 0;
}
/* If we get here, the file is allowed */
return 1;
}
/** Checks if a DCC is allowed by DCCALLOW rules (only SOFT bans are checked).
* PARAMETERS:
* from: the sender client (possibly remote)
* to: the target client (always local)
* text: the whole msg
* RETURNS:
* 1: allowed
* 0: block
*/
static int can_dcc_soft(Client *from, Client *to, const char *filename, const char **errmsg)
{
ConfigItem_deny_dcc *fl;
const char *displayfile;
static char errbuf[256];
/* User (IRCOp) may bypass send restrictions */
if (ValidatePermissionsForPath("immune:dcc",from,to,NULL,NULL))
return 1;
/* User (IRCOp) likes to receive bad dcc's */
if (ValidatePermissionsForPath("self:getbaddcc",to,NULL,NULL,NULL))
return 1;
/* On the 'soft' blocklist ? */
if (!(fl = dcc_isdiscouraged(from, filename)))
return 1; /* No, so is OK */
/* If on DCCALLOW list then the user is OK with it */
if (on_dccallow_list(to, from))
return 1;
/* Soft-blocked */
displayfile = dcc_displayfile(filename);
ircsnprintf(errbuf, sizeof(errbuf), "Cannot DCC SEND file: %s", fl->reason);
*errmsg = errbuf;
/* Inform target ('to') about the /DCCALLOW functionality */
sendnotice(to, "%s (%s@%s) tried to DCC SEND you a file named '%s', the request has been blocked.",
from->name, from->user->username, GetHost(from), displayfile);
if (!IsDCCNotice(to))
{
SetDCCNotice(to);
sendnotice(to, "Files like these might contain malicious content (viruses, trojans). "
"Therefore, you must explicitly allow anyone that tries to send you such files.");
sendnotice(to, "If you trust %s, and want him/her to send you this file, you may obtain "
"more information on using the dccallow system by typing '/DCCALLOW HELP'", from->name);
}
return 0;
}
/** Checks if the dcc is blacklisted. */
static ConfigItem_deny_dcc *dcc_isforbidden(Client *client, const char *filename)
{
ConfigItem_deny_dcc *d;
ConfigItem_allow_dcc *a;
if (!conf_deny_dcc || !filename)
return NULL;
for (d = conf_deny_dcc; d; d = d->next)
{
if ((d->flag.type == DCCDENY_HARD) && match_simple(d->filename, filename))
{
for (a = conf_allow_dcc; a; a = a->next)
{
if ((a->flag.type == DCCDENY_HARD) && match_simple(a->filename, filename))
return NULL;
}
return d;
}
}
return NULL;
}
/** checks if the dcc is discouraged ('soft bans'). */
static ConfigItem_deny_dcc *dcc_isdiscouraged(Client *client, const char *filename)
{
ConfigItem_deny_dcc *d;
ConfigItem_allow_dcc *a;
if (!conf_deny_dcc || !filename)
return NULL;
for (d = conf_deny_dcc; d; d = d->next)
{
if ((d->flag.type == DCCDENY_SOFT) && match_simple(d->filename, filename))
{
for (a = conf_allow_dcc; a; a = a->next)
{
if ((a->flag.type == DCCDENY_SOFT) && match_simple(a->filename, filename))
return NULL;
}
return d;
}
}
return NULL;
}
static void DCCdeny_add(const char *filename, const char *reason, int type, int type2)
{
ConfigItem_deny_dcc *deny = NULL;
deny = safe_alloc(sizeof(ConfigItem_deny_dcc));
safe_strdup(deny->filename, filename);
safe_strdup(deny->reason, reason);
deny->flag.type = type;
deny->flag.type2 = type2;
AddListItem(deny, conf_deny_dcc);
}
static void DCCdeny_del(ConfigItem_deny_dcc *deny)
{
DelListItem(deny, conf_deny_dcc);
safe_free(deny->filename);
safe_free(deny->reason);
safe_free(deny);
}
ConfigItem_deny_dcc *find_deny_dcc(const char *name)
{
ConfigItem_deny_dcc *e;
if (!name)
return NULL;
for (e = conf_deny_dcc; e; e = e->next)
{
if (match_simple(name, e->filename))
return e;
}
return NULL;
}
static void dcc_wipe_services(void)
{
ConfigItem_deny_dcc *dconf, *next;
for (dconf = conf_deny_dcc; dconf; dconf = next)
{
next = dconf->next;
if (dconf->flag.type2 == CONF_BAN_TYPE_AKILL)
{
DelListItem(dconf, conf_deny_dcc);
safe_free(dconf->filename);
safe_free(dconf->reason);
safe_free(dconf);
}
}
}
int dccdeny_stats(Client *client, const char *para)
{
ConfigItem_deny_dcc *denytmp;
ConfigItem_allow_dcc *allowtmp;
char *filemask, *reason;
char a = 0;
/* '/STATS F' or '/STATS denydcc' is for us... */
if (strcmp(para, "F") && strcasecmp(para, "denydcc"))
return 0;
for (denytmp = conf_deny_dcc; denytmp; denytmp = denytmp->next)
{
filemask = BadPtr(denytmp->filename) ? "<NULL>" : denytmp->filename;
reason = BadPtr(denytmp->reason) ? "<NULL>" : denytmp->reason;
if (denytmp->flag.type2 == CONF_BAN_TYPE_CONF)
a = 'c';
if (denytmp->flag.type2 == CONF_BAN_TYPE_AKILL)
a = 's';
if (denytmp->flag.type2 == CONF_BAN_TYPE_TEMPORARY)
a = 'o';
/* <d> <s|h> <howadded> <filemask> <reason> */
sendtxtnumeric(client, "d %c %c %s %s", (denytmp->flag.type == DCCDENY_SOFT) ? 's' : 'h',
a, filemask, reason);
}
for (allowtmp = conf_allow_dcc; allowtmp; allowtmp = allowtmp->next)
{
filemask = BadPtr(allowtmp->filename) ? "<NULL>" : allowtmp->filename;
if (allowtmp->flag.type2 == CONF_BAN_TYPE_CONF)
a = 'c';
if (allowtmp->flag.type2 == CONF_BAN_TYPE_AKILL)
a = 's';
if (allowtmp->flag.type2 == CONF_BAN_TYPE_TEMPORARY)
a = 'o';
/* <a> <s|h> <howadded> <filemask> */
sendtxtnumeric(client, "a %c %c %s", (allowtmp->flag.type == DCCDENY_SOFT) ? 's' : 'h',
a, filemask);
}
return 1;
}
int dccdeny_dcc_denied(Client *client, const char *target, const char *realfile, const char *displayfile, ConfigItem_deny_dcc *dccdeny)
{
unreal_log(ULOG_INFO, "dcc", "DCC_REJECTED", client,
"$client.details tried to send forbidden file $filename ($ban_reason) to $target (is blocked now)",
log_data_string("filename", displayfile),
log_data_string("ban_reason", dccdeny->reason),
log_data_string("target", target));
return 0;
}
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