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optionally allow WEBIRC blocks to spoof ident responses #344

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optionally allow WEBIRC blocks to spoof ident responses #344

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df24540
optionally allow WEBIRC blocks to spoof ident responses
jesopo Jun 16, 2022
1010aac
update comment
jesopo Jun 16, 2022
45eef67
ircd/authproc.c: don't override webirc spoofed usernames
jesopo Jun 16, 2022
73e9ad0
correct unchanged duplicated flag value
jesopo Jun 16, 2022
ace0e3a
only SetGotId when webirc spoofed username doesn't have ~
jesopo Jun 16, 2022
4579f8b
don't override webirc spoofed username in USER
jesopo Jun 16, 2022
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8 changes: 7 additions & 1 deletion extensions/m_webirc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,7 @@ DECLARE_MODULE_AV2(webirc, NULL, NULL, webirc_clist, NULL, webirc_hfnlist, NULL,
/*
* mr_webirc - webirc message handler
* parv[1] = password
* parv[2] = fake username (we ignore this)
* parv[2] = fake username
* parv[3] = fake hostname
* parv[4] = fake ip
*/
Expand Down Expand Up @@ -171,6 +171,12 @@ mr_webirc(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *sourc
else
rb_strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));

if (aconf->flags & CONF_FLAGS_SPOOF_IDENT)
{
SetGotId(source_p);
rb_strlcpy(source_p->username, parv[2], sizeof(source_p->username));
}

/* Check dlines now, klines will be checked on registration */
if((aconf = find_dline((struct sockaddr *)&source_p->localClient->ip,
GET_SS_FAMILY(&source_p->localClient->ip))))
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1 change: 1 addition & 0 deletions include/s_conf.h
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Expand Up @@ -102,6 +102,7 @@ struct ConfItem
#define CONF_FLAGS_EXEMPTKLINE 0x00000040
#define CONF_FLAGS_NOLIMIT 0x00000080
#define CONF_FLAGS_SPOOF_IP 0x00000200
#define CONF_FLAGS_SPOOF_IDENT 0x00000200
#define CONF_FLAGS_SPOOF_NOTICE 0x00000400
#define CONF_FLAGS_REDIR 0x00000800
#define CONF_FLAGS_EXEMPTRESV 0x00002000 /* exempt from resvs */
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2 changes: 1 addition & 1 deletion ircd/authproc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -507,7 +507,7 @@ authd_decide_client(struct Client *client_p, const char *ident, const char *host
if(client_p->preClient == NULL || client_p->preClient->auth.cid == 0)
return;

if(*ident != '*')
if(*ident != '*' && !IsGotId(client_p))
{
rb_strlcpy(client_p->username, ident, sizeof(client_p->username));
SetGotId(client_p);
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1 change: 1 addition & 0 deletions ircd/newconf.c
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Expand Up @@ -351,6 +351,7 @@ static struct mode_table auth_table[] = {
{"extend_chans", CONF_FLAGS_EXTEND_CHANS },
{"allow_sctp", CONF_FLAGS_ALLOW_SCTP },
{"kline_spoof_ip", CONF_FLAGS_KLINE_SPOOF },
{"spoof_ident", CONF_FLAGS_SPOOF_IDENT },
{NULL, 0}
};

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