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Move can_send() function from core to m_message.

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This commit is contained in:
Bram Matthys
2019-06-22 16:03:06 +02:00
parent bf4d96e991
commit 05202dd2a4
5 changed files with 99 additions and 96 deletions
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src/modules/m_message.c
+94
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@@ -29,6 +29,7 @@ int ban_version(aClient *sptr, char *text);
CMD_FUNC(m_private);
CMD_FUNC(m_notice);
int m_message(aClient *cptr, aClient *sptr, MessageTag *recv_mtags, int parc, char *parv[], int notice);
int _can_send(aClient *cptr, aChannel *chptr, char **msgtext, char **errmsg, int notice);
/* Place includes here */
#define MSG_PRIVATE "PRIVMSG" /* PRIV */
@@ -49,6 +50,7 @@ MOD_TEST(m_message)
EfunctionAddPChar(modinfo->handle, EFUNC_STRIPCOLORS, _StripColors);
EfunctionAddPChar(modinfo->handle, EFUNC_STRIPCONTROLCODES, _StripControlCodes);
EfunctionAdd(modinfo->handle, EFUNC_IS_SILENCED, _is_silenced);
EfunctionAdd(modinfo->handle, EFUNC_CAN_SEND, _can_send);
return MOD_SUCCESS;
}
@@ -880,3 +882,95 @@ int ban_version(aClient *sptr, char *text)
return 0;
}
/** Can user send a message to this channel?
* @param cptr The client
* @param chptr The channel
* @param msgtext The message to send (MAY be changed, even if user is allowed to send)
* @param errmsg The error message (will be filled in)
* @param notice If it's a NOTICE then this is set to 1. Set to 0 for PRIVMSG.
* @returns Returns 1 if the user is allowed to send, otherwise 0.
* (note that this behavior was reversed in UnrealIRCd versions <5.x.
*/
int _can_send(aClient *cptr, aChannel *chptr, char **msgtext, char **errmsg, int notice)
{
Membership *lp;
int member, i = 0;
Hook *h;
if (!MyClient(cptr))
return 1;
*errmsg = NULL;
member = IsMember(cptr, chptr);
if (chptr->mode.mode & MODE_NOPRIVMSGS && !member)
{
/* Channel does not accept external messages (+n).
* Reject, unless HOOKTYPE_CAN_BYPASS_NO_EXTERNAL_MSGS tells otherwise.
*/
for (h = Hooks[HOOKTYPE_CAN_BYPASS_CHANNEL_MESSAGE_RESTRICTION]; h; h = h->next)
{
i = (*(h->func.intfunc))(cptr, chptr, BYPASS_CHANMSG_EXTERNAL);
if (i != HOOK_CONTINUE)
break;
}
if (i != HOOK_ALLOW)
{
*errmsg = "No external channel messages";
return 0;
}
}
lp = find_membership_link(cptr->user->channel, chptr);
if (chptr->mode.mode & MODE_MODERATED &&
!op_can_override("channel:override:message:moderated",cptr,chptr,NULL) &&
(!lp /* FIXME: UGLY */
|| !(lp->flags & (CHFL_CHANOP | CHFL_VOICE | CHFL_CHANOWNER | CHFL_HALFOP | CHFL_CHANPROT))))
{
/* Channel is moderated (+m).
* Reject, unless HOOKTYPE_CAN_BYPASS_MODERATED tells otherwise.
*/
for (h = Hooks[HOOKTYPE_CAN_BYPASS_CHANNEL_MESSAGE_RESTRICTION]; h; h = h->next)
{
i = (*(h->func.intfunc))(cptr, chptr, BYPASS_CHANMSG_MODERATED);
if (i != HOOK_CONTINUE)
break;
}
if (i != HOOK_ALLOW)
{
*errmsg = "You need voice (+v)";
return 0;
}
}
/* Modules can plug in as well */
for (h = Hooks[HOOKTYPE_CAN_SEND]; h; h = h->next)
{
i = (*(h->func.intfunc))(cptr, chptr, lp, &msgtext, &errmsg, notice);
if (i != HOOK_CONTINUE)
break;
}
if (i != HOOK_CONTINUE)
return 0;
/* Now we are going to check bans */
/* ..but first: exempt ircops */
if (op_can_override("channel:override:message:ban",cptr,chptr,NULL))
return 0;
if ((!lp
|| !(lp->flags & (CHFL_CHANOP | CHFL_VOICE | CHFL_CHANOWNER |
CHFL_HALFOP | CHFL_CHANPROT))) && MyClient(cptr)
&& is_banned(cptr, chptr, BANCHK_MSG, msgtext, errmsg))
{
/* Modules can set 'errmsg', otherwise we default to this: */
if (!*errmsg)
*errmsg = "You are banned";
return 0;
}
return 1;
}