Conditionally compile the SASL code only with botan and database

src/biboumi.h.cmake

@@ -14,3 +14,6 @@
 #cmakedefine HAS_PUT_TIME
 #cmakedefine DEBUG_SQL_QUERIES
 
+#if defined(USE_DATABASE) && defined(BOTAN_FOUND)
+# define WITH_SASL
+#endif

src/irc/irc_client.cpp

@@ -83,11 +83,11 @@ static const std::unordered_map<std::string,
   {"KICK", {&IrcClient::on_kick, {3, 0}}},
   {"INVITE", {&IrcClient::on_invite, {2, 0}}},
   {"CAP", {&IrcClient::on_cap, {3, 0}}},
+#ifdef WITH_SASL
   {"AUTHENTICATE", {&IrcClient::on_authenticate, {1, 0}}},
   {"903", {&IrcClient::on_sasl_success, {0, 0}}},
   {"900", {&IrcClient::on_sasl_login, {3, 0}}},
-
-
+#endif
   {"401", {&IrcClient::on_generic_error, {2, 0}}},
   {"402", {&IrcClient::on_generic_error, {2, 0}}},
   {"403", {&IrcClient::on_generic_error, {2, 0}}},
@@ -286,12 +286,14 @@ void IrcClient::on_connected()
   auto options = Database::get_irc_server_options(this->bridge.get_bare_jid(),
                                                   this->get_hostname());
 
-  const auto& sasl_password = options.col<Database::SaslPassword>();
   const auto& server_password = options.col<Database::Pass>();
 
   if (!server_password.empty())
     this->send_pass_command(options.col<Database::Pass>());
+#endif
 
+#ifdef WITH_SASL
+  const auto& sasl_password = options.col<Database::SaslPassword>();
   if (!sasl_password.empty())
     {
       this->capabilities["sasl"] = {
@@ -325,10 +327,8 @@ void IrcClient::on_connected()
       this->send_user_command(username, realname);
     }
   else
-    this->send_user_command(this->username, this->realname);
-#else
-  this->send_user_command(this->username, this->realname);
 #endif
+  this->send_user_command(this->username, this->realname);
 }
 
 void IrcClient::on_connection_close(const std::string& error_msg)
@@ -1346,9 +1346,11 @@ void IrcClient::on_cap(const IrcMessage &message)
   else if (sub_command == "NACK")
     capability.on_nack();
   this->capabilities.erase(it);
+  if (this->capabilities.empty())
     this->cap_end();
 }
 
+#ifdef WITH_SASL
 void IrcClient::on_authenticate(const IrcMessage &)
 {
   if (this->sasl_state == SaslState::unneeded)
@@ -1356,13 +1358,12 @@ void IrcClient::on_authenticate(const IrcMessage &)
       log_warning("Received an AUTHENTICATE command but we don’t intend to authenticate…");
       return;
     }
-#ifdef USE_DATABASE
+
   auto options = Database::get_irc_server_options(this->bridge.get_bare_jid(),
                                                   this->get_hostname());
   const auto auth_string = '\0' + options.col<Database::Nick>() + '\0' + options.col<Database::SaslPassword>();
   const auto base64_auth_string = base64::encode(auth_string);
   this->send_message({"AUTHENTICATE", {base64_auth_string}});
-#endif
 }
 
 void IrcClient::on_sasl_success(const IrcMessage &)
@@ -1379,15 +1380,15 @@ void IrcClient::on_sasl_login(const IrcMessage &message)
     text = message.arguments[3];
   this->bridge.send_xmpp_message(this->hostname, message.prefix, text);
 }
+#endif
 
 void IrcClient::cap_end()
 {
-  if (!this->capabilities.empty())
-    return;
+#ifdef WITH_SASL
   // If we are currently authenticating through sasl, finish that before sending CAP END
   if (this->sasl_state == SaslState::needed)
     return;
-
+#endif
   this->send_message({"CAP", {"END"}});
   this->bridge.on_irc_client_connected(this->get_hostname());
 }

src/irc/irc_client.hpp

@@ -3,7 +3,12 @@
 #include <irc/irc_message.hpp>
 #include <irc/irc_channel.hpp>
 #include <irc/capability.hpp>
-#include <irc/sasl.hpp>
+
+#include "biboumi.h"
+
+#ifdef WITH_SASL
+# include <irc/sasl.hpp>
+#endif
 #include <irc/iid.hpp>
 
 #include <bridge/history_limit.hpp>
@@ -240,9 +245,11 @@ public:
 private:
   void cap_end();
 public:
+#ifdef WITH_SASL
   void on_authenticate(const IrcMessage& message);
   void on_sasl_success(const IrcMessage& message);
   void on_sasl_login(const IrcMessage& message);
+#endif
   /**
    * The channel has been completely joined (self presence, topic, all names
    * received etc), send the self presence and topic to the XMPP user.
@@ -371,11 +378,13 @@ private:
    * has been established, we are authentified and we have a nick)
    */
   bool welcomed;
+#ifdef WITH_SASL
   /**
    * Whether or not we are trying to authenticate using sasl. If this is true we need to wait for a
    * successful auth
    */
   SaslState sasl_state{SaslState::unneeded};
+#endif
   std::map<std::string, Capability> capabilities;
   /**
    * See http://www.irc.org/tech_docs/draft-brocklesby-irc-isupport-03.txt section 3.3

src/utils/base64.cpp

@@ -2,18 +2,15 @@
 
 #ifdef BOTAN_FOUND
 #include <botan/base64.h>
-#endif
 
 namespace base64
 {
 
 std::string encode(const std::string &input)
 {
-#ifdef BOTAN_FOUND
   return Botan::base64_encode(reinterpret_cast<const uint8_t*>(input.data()), input.size());
-#else
-#error "base64::encode() not yet implemented without Botan."
-#endif
 }
 
 }
+
+#endif

src/utils/base64.hpp

@@ -2,9 +2,13 @@
 
 #include "biboumi.h"
 
+#ifdef BOTAN_FOUND
+
 #include <string>
 
 namespace base64
 {
 std::string encode(const std::string& input);
 }
+
+#endif

src/xmpp/biboumi_adhoc_commands.cpp

@@ -310,6 +310,20 @@ void ConfigureIrcServerStep1(XmppComponent&, AdhocSession& session, XmlNode& com
         fingerprint_value.set_inner(options.col<Database::TrustedFingerprint>());
       }
   }
+
+  {
+    XmlSubNode field(x, "field");
+    field["var"] = "sasl_password";
+    field["type"] = "text-private";
+    field["label"] = "SASL Password";
+    set_desc(field, "Use it to authenticate with your nick.");
+    if (!options.col<Database::SaslPassword>().empty())
+      {
+        XmlSubNode value(field, "value");
+        value.set_inner(options.col<Database::SaslPassword>());
+      }
+  }
+
 #endif
 
   {
@@ -325,19 +339,6 @@ void ConfigureIrcServerStep1(XmppComponent&, AdhocSession& session, XmlNode& com
       }
   }
 
-  {
-    XmlSubNode field(x, "field");
-    field["var"] = "sasl_password";
-    field["type"] = "text-private";
-    field["label"] = "SASL Password";
-    set_desc(field, "Use it to authenticate with your nick.");
-    if (!options.col<Database::SaslPassword>().empty())
-      {
-        XmlSubNode value(field, "value");
-        value.set_inner(options.col<Database::SaslPassword>());
-      }
-  }
-
   {
     XmlSubNode pass(x, "field");
     pass["var"] = "pass";
@@ -486,18 +487,17 @@ void ConfigureIrcServerStep2(XmppComponent& xmpp_component, AdhocSession& sessio
             }
 
           else if (field->get_tag("var") == "fingerprint" && value)
-            {
             options.col<Database::TrustedFingerprint>() = value->get_inner();
-            }
+
+          else if (field->get_tag("var") == "sasl_password" && value)
+            options.col<Database::SaslPassword>() = value->get_inner();
+
 
 #endif // BOTAN_FOUND
 
           else if (field->get_tag("var") == "nick" && value)
             options.col<Database::Nick>() = value->get_inner();
 
-          else if (field->get_tag("var") == "sasl_password" && value)
-            options.col<Database::SaslPassword>() = value->get_inner();
-
           else if (field->get_tag("var") == "pass" && value)
             options.col<Database::Pass>() = value->get_inner();