From f6892ecd79c6113544106e32374075f489bf95a7 Mon Sep 17 00:00:00 2001
From: pk910 <philipp@zoelle1.de>
Date: Tue, 7 Feb 2012 14:09:04 +0100
Subject: [PATCH] added FEAT_CHMODE_A_NOSET to prevent +a from being set by
 users

---
 doc/example.conf        | 1 +
 include/ircd_features.h | 1 +
 ircd/channel.c          | 3 +++
 ircd/ircd_features.c    | 1 +
 ircd/m_join.c           | 2 +-
 5 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/doc/example.conf b/doc/example.conf
index 0e4c6c2..dab243d 100644
--- a/doc/example.conf
+++ b/doc/example.conf
@@ -962,6 +962,7 @@ features
 #  "LOC_TARGET" = "somenick";
 #  "CHMODE_A_ENABLE" = "TRUE";
 #  "CHMODE_A_TARGET" = "ChanServ";
+#  "CHMODE_A_NOSET" = "TRUE"; # Mode is not settable by normal users (only services chan set it)
 #  "CHMODE_F_ENABLE" = "TRUE";
 #  "UNKNOWN_CMD_ENABLE" = "TRUE";
 #  "UNKNOWN_CMD_TARGET" = "OpServ";
diff --git a/include/ircd_features.h b/include/ircd_features.h
index 1b26017..c4c65f8 100644
--- a/include/ircd_features.h
+++ b/include/ircd_features.h
@@ -177,6 +177,7 @@ enum Feature {
   FEAT_UNKNOWN_CMD_TARGET,
   FEAT_CHMODE_A_ENABLE,
   FEAT_CHMODE_A_TARGET,
+  FEAT_CHMODE_A_NOSET,
   FEAT_CHMODE_F_ENABLE,
   
   FEAT_HALFOP,
diff --git a/ircd/channel.c b/ircd/channel.c
index dc8783c..41e2cdb 100644
--- a/ircd/channel.c
+++ b/ircd/channel.c
@@ -2513,6 +2513,9 @@ mode_parse_access(struct ParseState *state, ulong64 *flag_p)
         return;
     }
     
+    if(feature_bool(FEAT_CHMODE_A_NOSET) && !(state->flags & MODE_PARSE_FORCE)) /* mode can'T be set. */
+        return;
+    
     if (!(state->flags & MODE_PARSE_WIPEOUT) &&
 	(!t_access || t_access == state->chptr->mode.access))
       return;
diff --git a/ircd/ircd_features.c b/ircd/ircd_features.c
index 8cc5037..6bb973e 100644
--- a/ircd/ircd_features.c
+++ b/ircd/ircd_features.c
@@ -442,6 +442,7 @@ static struct FeatureDesc {
   F_S(UNKNOWN_CMD_TARGET, FEAT_NULL, 0, 0),
   F_B(CHMODE_A_ENABLE, 0, 0, 0),
   F_S(CHMODE_A_TARGET, FEAT_NULL, 0, 0),
+  F_B(CHMODE_A_NOSET, 0, 0, 0),
   F_B(CHMODE_F_ENABLE, 0, 0, 0),
   F_B(HALFOP, 0, 0, 0),
   
diff --git a/ircd/m_join.c b/ircd/m_join.c
index 9e22983..63c93d5 100644
--- a/ircd/m_join.c
+++ b/ircd/m_join.c
@@ -265,7 +265,7 @@ int m_join(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
         override = 1;
       }
       
-      if(!err && !override && !IsInvited(sptr, chptr) && chptr->mode.access && chptr->mode.access > 0 && chptr->mode.access < 500 && feature_bool(FEAT_CHMODE_A_ENABLE)) {
+      if(!err && !override && !IsInvited(sptr, chptr) && chptr->mode.access && chptr->mode.access > 0 && chptr->mode.access <= 500 && feature_bool(FEAT_CHMODE_A_ENABLE)) {
         //We have to check the users channel access...
         struct Client *acptr;
         if(feature_str(FEAT_CHMODE_A_TARGET) && (acptr = FindUser(feature_str(FEAT_CHMODE_A_TARGET))) && IsNetServ(acptr) && IsService(cli_user(acptr)->server)) {
-- 
2.20.1