From 4dea4c16313ba3d1575cfa6722d75492c907f551 Mon Sep 17 00:00:00 2001
From: Luke Bratch <luke@bratch.co.uk>
Date: Sat, 14 Sep 2019 20:44:32 +0100
Subject: Specify multiple nicks using a configuration array instead of
 multiple individual settings.

---
 message.c | 61 ++++++++++++++++++++++++++++---------------------------------
 1 file changed, 28 insertions(+), 33 deletions(-)

(limited to 'message.c')

diff --git a/message.c b/message.c
index 3887ec9..ed27173 100644
--- a/message.c
+++ b/message.c
@@ -64,6 +64,16 @@ int processservermessage(SSL *server_ssl, char *str, struct client *clients, int
       // Null the end of the new string
       ircdstate->nickuserhost[strlen(tokens[counter - 1]) + 1] = '\0'; // +1 for the inserted colon
       debugprint(DEBUG_FULL, "nickuserhost '%s' stored.\n", ircdstate->nickuserhost);
+      // Set our current ircnick based on whatever was in greeting 001
+      if (counter >= 3) {
+        // Assuming there at least three tokens (:ircdname 001 nick etc.) then store the nick
+        strcpy(ircdstate->ircnick, tokens[2]);
+        debugprint(DEBUG_FULL, "Updated ircnick to '%s' from greeting 001.\n", ircdstate->ircnick);
+      } else {
+        // Something has gone fairly wrong with greeting 001
+        debugprint(DEBUG_CRIT, "Greeting 001 ('%s') is not long enough, don't know how to proceed, exiting...\n", str);
+        exit(1);
+      }
       return 1;
     } else if (strncmp(tokens[1], "002", strlen(tokens[1])) == 0) {
       debugprint(DEBUG_FULL, "Found greeting 002 (%s), storing in ircdstate struct.\n", str);
@@ -642,42 +652,27 @@ int processservermessage(SSL *server_ssl, char *str, struct client *clients, int
       debugprint(DEBUG_SOME, "Server 432 (ERR_ERRONEUSNICKNAME) or 433 (ERR_NICKNAMEINUSE) found and it is: %s with length %zd!  Trying another nick...\n",
                  tokens[1], strlen(tokens[1]));
 
-      // Do we have both a nick2 and a nick3?  (And not tried autonick yet.)
-      if (settings->ircnick2[0] && settings->ircnick3[0] && !ircdstate->autonicknum) {
-        // Has nick3 already been tried?
-        if (strncmp(ircdstate->ircnick, settings->ircnick3, strlen(settings->ircnick)) == 0) {
-          // Then try autonick
-          tryautonick(ircdstate);
-        // Has nick2 already been tried?
-        } else if (strncmp(ircdstate->ircnick, settings->ircnick2, strlen(settings->ircnick)) == 0) {
-          // Then try nick3
-          debugprint(DEBUG_SOME, "Trying nick3, nick2 was already tried.\n");
-          strcpy(ircdstate->ircnick, settings->ircnick3);
-        // Have neither been tried?
-        } else {
-          // Then try nick2
-          debugprint(DEBUG_SOME, "Trying nick2, nick3 is also configured.\n");
-          strcpy(ircdstate->ircnick, settings->ircnick2);
-        }
-      // Do we only have a nick2?  (And not tried autonick yet.)
-      } else if (settings->ircnick2[0] && !ircdstate->autonicknum) {
-        // Has it already been tried?
-        if (strncmp(ircdstate->ircnick, settings->ircnick2, strlen(settings->ircnick)) == 0) {
-          // Then try autonick
-          tryautonick(ircdstate);
-        } else {
-          // Then try it
-          debugprint(DEBUG_SOME, "Trying nick2, nick3 is not configured.\n");
-          strcpy(ircdstate->ircnick, settings->ircnick2);
+      // Find the nick (its index in the nicks array) currently selected
+      int nickindex = -1; // -1 used later if current nick isn't in the configuration array
+      int nickcount = 0; // How many nicks are configured in the configuration array
+      for (int i = 0; i < MAXCONFARR; i++) {
+        if (settings->ircnicks[i][0]) {
+          nickcount++;
+          if (strncmp(ircdstate->ircnick, settings->ircnicks[i], strlen(settings->ircnicks[i])) == 0 && strlen(ircdstate->ircnick) == strlen(settings->ircnicks[i])) {
+            nickindex = i;
+          }
         }
-      // Do we have neither?  (Or have already started autonick.)
-      } else {
-        // Then try autonick
-          tryautonick(ircdstate);
       }
 
-      // Set whichever one we settled on in the settings in case we reference settings later
-      strcpy(settings->ircnick, ircdstate->ircnick);
+      // If there are more nicks left to try, then try the next one
+      if (nickindex < nickcount - 1) {
+        strcpy(ircdstate->ircnick, settings->ircnicks[nickindex + 1]);
+        debugprint(DEBUG_SOME, "Switched nick to '%s' and retrying...\n", ircdstate->ircnick);
+      // Otherwise, give up on configured nicks and switch to autonick
+      } else {
+        debugprint(DEBUG_SOME, "Giving up on preconfigured nicks trying autonick...\n", ircdstate->ircnick);
+        tryautonick(ircdstate);
+      }
 
       // Try it with the server
       char outgoingmsg[MAXDATASIZE];
-- 
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