[pkg-otr-team] [irssi-plugin-otr] 02/167: * otr-plugin.h: * otr-plugin.c (otrg_plugin_proto_supports_otr): New function to check whether a given protocol supports OTR. Right now, everything except IRC is assumed to support it.

[Holger Levsen]

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holger pushed a commit to tag 4.0.0
in repository irssi-plugin-otr.

commit 80ad8452bc6d8a366625fa14eed853f9b9b62c0f
Author: cypherpunk <cypherpunk>
Date:   Thu May 19 13:34:43 2005 +0000

    	* otr-plugin.h:
    	* otr-plugin.c (otrg_plugin_proto_supports_otr): New function to
    	check whether a given protocol supports OTR.  Right now,
    	everything except IRC is assumed to support it.
    
    	* otr-plugin.c (supply_extended_menu): Don't add the "OTR
    	Settings" menu option to the per-buddy menu if this buddy's
    	protocol doesn't support OTR.
    
    	* ui.c (otrg_ui_find_policy): If the protocol doesn't support
    	OTR, always return a policy of OTRL_POLICY_NEVER.
---
 ChangeLog    | 14 ++++++++++++++
 NEWS         |  6 ++++++
 otr-plugin.c | 25 +++++++++++++++++++++++--
 otr-plugin.h |  3 +++
 ui.c         |  6 ++++++
 5 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index ad0fca6..2cea8a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2005-05-19
+
+	* otr-plugin.h:
+	* otr-plugin.c (otrg_plugin_proto_supports_otr): New function to
+	check whether a given protocol supports OTR.  Right now,
+	everything except IRC is assumed to support it.
+
+	* otr-plugin.c (supply_extended_menu): Don't add the "OTR
+	Settings" menu option to the per-buddy menu if this buddy's
+	protocol doesn't support OTR.
+
+	* ui.c (otrg_ui_find_policy): If the protocol doesn't support
+	OTR, always return a policy of OTRL_POLICY_NEVER.
+
 2005-05-03
 
 	* README:
diff --git a/NEWS b/NEWS
index 1916915..890a6fe 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,9 @@
+19 May 2005:
+- OTR doesn't work over IRC (since IRC's maximum message size is too
+  small for a Key Exchange Message to fit), so don't even provide the
+  OTR Settings buddy-menu option or the OTR conversation window button
+  for IRC.
+
 3 May 2005:
 - Released 2.0.2
 - Fix to co-exist more nicely with other encrypting gaim plugins.
diff --git a/otr-plugin.c b/otr-plugin.c
index 8f0067b..b535f1d 100644
--- a/otr-plugin.c
+++ b/otr-plugin.c
@@ -423,11 +423,21 @@ static void otr_options_cb(GaimBlistNode *node, gpointer user_data)
 static void supply_extended_menu(GaimBlistNode *node, GList **menu)
 {
     GaimBlistNodeAction *act;
+    GaimBuddy *buddy;
+    GaimAccount *acct;
+    const char *proto;
 
     if (!GAIM_BLIST_NODE_IS_BUDDY(node)) return;
 
-     act = gaim_blist_node_action_new("OTR Settings", otr_options_cb, NULL);
-     *menu = g_list_append(*menu, act);
+    /* Extract the account, and then the protocol, for this buddy */
+    buddy = (GaimBuddy *)node;
+    acct = buddy->account;
+    if (acct == NULL) return;
+    proto = gaim_account_get_protocol_id(acct);
+    if (!otrg_plugin_proto_supports_otr(proto)) return;
+
+    act = gaim_blist_node_action_new("OTR Settings", otr_options_cb, NULL);
+    *menu = g_list_append(*menu, act);
 }
 
 /* Disconnect a context, sending a notice to the other side, if
@@ -511,6 +521,17 @@ static gboolean otr_plugin_unload(GaimPlugin *handle)
     return 1;
 }
 
+/* Return 1 if the given protocol supports OTR, 0 otherwise. */
+int otrg_plugin_proto_supports_otr(const char *proto)
+{
+    /* IRC is the only protocol we know of that OTR doesn't work on (its
+     * maximum message size is too small to fit a Key Exchange Message). */
+    if (proto && !strcmp(proto, "prpl-irc")) {
+	return 0;
+    }
+    return 1;
+}
+
 #ifdef USING_GTK
 
 static GaimGtkPluginUiInfo ui_info =
diff --git a/otr-plugin.h b/otr-plugin.h
index 558bbff..67c2f3a 100644
--- a/otr-plugin.h
+++ b/otr-plugin.h
@@ -58,4 +58,7 @@ void otrg_plugin_send_default_query_conv(GaimConversation *conv);
  * appropriate. */
 void otrg_plugin_disconnect(ConnContext *context);
 
+/* Return 1 if the given protocol supports OTR, 0 otherwise. */
+int otrg_plugin_proto_supports_otr(const char *proto);
+
 #endif
diff --git a/ui.c b/ui.c
index c152943..446ae90 100644
--- a/ui.c
+++ b/ui.c
@@ -132,6 +132,12 @@ void otrg_ui_config_buddy(GaimBuddy *buddy)
 /* Calculate the policy for a particular account / username */
 OtrlPolicy otrg_ui_find_policy(GaimAccount *account, const char *name)
 {
+    /* Check to see if the protocol for this account supports OTR at all. */
+    const char *proto = gaim_account_get_protocol_id(account);
+    if (!otrg_plugin_proto_supports_otr(proto)) {
+	return OTRL_POLICY_NEVER;
+    }
+
     if (ui_ops != NULL) {
 	return ui_ops->find_policy(account, name);
     }

-- 
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