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extensions/m_remove: quote user part messages

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Quote user part messages like freenode/ircd-seven so that users can't
fake a channel op using /remove.  This only applies when this module is
loaded.
This commit is contained in:
Doug Freed 2016-01-10 06:46:52 -08:00
parent 9b74b99268
commit a69c4f8c56
1 changed files with 23 additions and 1 deletions
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24
extensions/m_remove.c
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@ -42,8 +42,10 @@
#include "messages.h" #include "messages.h"
unsigned int CAP_REMOVE; unsigned int CAP_REMOVE;
static char part_buf[REASONLEN + 1];
static int m_remove(struct Client *, struct Client *, int, const char **); static int m_remove(struct Client *, struct Client *, int, const char **);
static void remove_quote_part(hook_data_privmsg_channel *);
struct Message remove_msgtab = { struct Message remove_msgtab = {
"REMOVE", 0, 0, 0, MFLG_SLOW, "REMOVE", 0, 0, 0, MFLG_SLOW,
@ -51,6 +53,10 @@ struct Message remove_msgtab = {
}; };
mapi_clist_av1 remove_clist[] = { &remove_msgtab, NULL }; mapi_clist_av1 remove_clist[] = { &remove_msgtab, NULL };
mapi_hfn_list_av1 remove_hfnlist[] = {
{ "privmsg_channel", (hookfn) remove_quote_part },
{ NULL, NULL }
};
static int static int
modinit(void) modinit(void)
@ -66,7 +72,7 @@ moddeinit(void)
capability_orphan(serv_capindex, "REMOVE"); capability_orphan(serv_capindex, "REMOVE");
} }
DECLARE_MODULE_AV1(remove, modinit, moddeinit, remove_clist, NULL, NULL, "$Revision: 3317 $"); DECLARE_MODULE_AV1(remove, modinit, moddeinit, remove_clist, NULL, remove_hfnlist, "$Revision: 3317 $");
static int static int
m_remove(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) m_remove(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
@ -218,3 +224,19 @@ m_remove(struct Client *client_p, struct Client *source_p, int parc, const char
return 0; return 0;
} }
static void
remove_quote_part(hook_data_privmsg_channel *data)
{
size_t ret;
if (data->approved || EmptyString(data->text) || data->msgtype != MESSAGE_TYPE_PART)
return;
rb_strlcpy(part_buf, "\"", sizeof(part_buf));
ret = rb_strlcat(part_buf, data->text, sizeof(part_buf));
if (ret >= sizeof(part_buf) - 1)
part_buf[REASONLEN - 1] = '"';
else
rb_strlcat(part_buf, "\"", sizeof(part_buf));
data->text = part_buf;
}