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Merge pull request #327 from edk0/filter-quit

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filter quit messages
This commit is contained in:
Aaron Jones 2020-06-10 14:55:02 +00:00 committed by GitHub
parent 64e6d3b9cd 211c25b17d
commit 4682079dd9
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 61 additions and 10 deletions
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33
extensions/filter.c
View file

@ -55,6 +55,7 @@ static const char filter_desc[] = "Filter messages using a precompiled Hyperscan
static void filter_msg_user(void *data);
static void filter_msg_channel(void *data);
static void filter_client_quit(void *data);
static void on_client_exit(void *data);
static void mo_setfilter(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
@ -91,6 +92,7 @@ static unsigned filter_chmode, filter_umode;
mapi_hfn_list_av1 filter_hfnlist[] = {
{ "privmsg_user", (hookfn) filter_msg_user },
{ "privmsg_channel", (hookfn) filter_msg_channel },
{ "client_quit", (hookfn) filter_client_quit },
{ "client_exit", (hookfn) on_client_exit },
{ NULL, NULL }
};
@ -346,7 +348,7 @@ unsigned match_message(const char *prefix,
return 0;
if (!command)
return 0;
snprintf(check_buffer, sizeof check_buffer, "%s:%s!%s@%s#%c %s %s :%s",
snprintf(check_buffer, sizeof check_buffer, "%s:%s!%s@%s#%c %s%s%s :%s",
prefix,
#if FILTER_NICK
source->name,
@ -364,7 +366,10 @@ unsigned match_message(const char *prefix,
"*",
#endif
source->user && source->user->suser[0] != '\0' ? '1' : '0',
command, target, msg);
command,
target ? " " : "",
target ? target : "",
msg);
hs_error_t r = hs_scan(filter_db, check_buffer, strlen(check_buffer), 0, filter_scratch, match_callback, &state);
if (r != HS_SUCCESS && r != HS_SCAN_TERMINATED)
return 0;
@ -454,6 +459,30 @@ filter_msg_channel(void *data_)
}
}
void
filter_client_quit(void *data_)
{
hook_data_client_quit *data = data_;
struct Client *s = data->client;
if (IsOper(s)) {
return;
}
char *text = strcpy(clean_buffer, data->orig_reason);
strip_colour(text);
strip_unprintable(text);
unsigned r = match_message("0", s, "QUIT", NULL, data->orig_reason) |
match_message("1", s, "QUIT", NULL, text);
if (r & ACT_DROP) {
data->reason = NULL;
}
if (r & ACT_ALARM) {
sendto_realops_snomask(SNO_GENERAL, L_ALL | L_NETWIDE,
"FILTER: %s!%s@%s [%s]",
s->name, s->username, s->host, s->sockhost);
}
/* No point in doing anything with ACT_KILL */
}
void
on_client_exit(void *data_)
{

7
include/hook.h
View file

@ -124,6 +124,13 @@ typedef struct
const char *comment;
} hook_data_client_exit;
typedef struct
{
struct Client *client;
const char *reason;
const char *orig_reason;
} hook_data_client_quit;
typedef struct
{
struct Client *client;

31
modules/core/m_quit.c
View file

@ -39,6 +39,8 @@ static const char quit_desc[] = "Provides the QUIT command to allow a user to le
static void m_quit(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void ms_quit(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static int h_client_quit;
struct Message quit_msgtab = {
"QUIT", 0, 0, 0, 0,
{{m_quit, 0}, {m_quit, 0}, {ms_quit, 0}, mg_ignore, mg_ignore, {m_quit, 0}}
@ -46,7 +48,12 @@ struct Message quit_msgtab = {
mapi_clist_av1 quit_clist[] = { &quit_msgtab, NULL };
DECLARE_MODULE_AV2(quit, NULL, NULL, quit_clist, NULL, NULL, NULL, NULL, quit_desc);
mapi_hlist_av1 quit_hlist[] = {
{ "client_quit", &h_client_quit },
{ NULL, NULL }
};
DECLARE_MODULE_AV2(quit, NULL, NULL, quit_clist, quit_hlist, NULL, NULL, NULL, quit_desc);
/*
** m_quit
@ -55,25 +62,33 @@ DECLARE_MODULE_AV2(quit, NULL, NULL, quit_clist, NULL, NULL, NULL, NULL, quit_de
static void
m_quit(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
char *comment = LOCAL_COPY((parc > 1 && parv[1]) ? parv[1] : client_p->name);
char *comment_copy = LOCAL_COPY((parc > 1 && parv[1]) ? parv[1] : client_p->name);
const char *comment = comment_copy;
char reason[REASONLEN + 1];
hook_data_client_quit hdata;
source_p->flags |= FLAGS_NORMALEX;
if(strlen(comment) > (size_t) REASONLEN)
comment[REASONLEN] = '\0';
if (strlen(comment_copy) > (size_t) REASONLEN)
comment_copy[REASONLEN] = '\0';
strip_colour(comment);
strip_colour(comment_copy);
if(ConfigFileEntry.client_exit && comment[0])
hdata.client = client_p;
hdata.reason = hdata.orig_reason = comment;
call_hook(h_client_quit, &hdata);
comment = hdata.reason;
/* don't add Quit: if the reason comes from a module */
if (ConfigFileEntry.client_exit && hdata.reason == hdata.orig_reason && comment[0])
{
snprintf(reason, sizeof(reason), "Quit: %s", comment);
comment = reason;
}
if(!IsOper(source_p) &&
if (comment == NULL || (!IsOper(source_p) && hdata.reason == hdata.orig_reason &&
(source_p->localClient->firsttime + ConfigFileEntry.anti_spam_exit_message_time) >
rb_current_time())
rb_current_time()))
{
exit_client(client_p, source_p, source_p, "Client Quit");
return;