From e9d4ad3c33b81ff56c4e4b2cac4aad559a303104 Mon Sep 17 00:00:00 2001
From: Luke Bratch <luke@bratch.co.uk>
Date: Sun, 15 Sep 2019 14:47:44 +0100
Subject: Start tracking nicks in channels (upon JOIN/PART/QUIT/NICK) and use
 that to correctly log QUITs in the replay log and normal log(s).

---
 logging.c | 43 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

(limited to 'logging.c')

diff --git a/logging.c b/logging.c
index ff41911..f6fa23e 100644
--- a/logging.c
+++ b/logging.c
@@ -40,6 +40,14 @@
 // If LOG_NETWORK then it just logs the string verbatim in
 // a file named 'ircdstate->ircdname'.log.
 //
+// If LOG_QUIT then it expects a string in the format:
+// channelname :nick!bar@baz QUIT :bla bla bla
+// 'channelname' probably has to be prepended manually by the
+// caller since it doesn't feature in the raw message from
+// the IRCd.  We need it in logline() to log to the relevant
+// channel log file.  The caller probably has to call logline()
+// multiple times for each channel the nick was in.
+//
 // With the ":foo!bar@baz "prefix being important for all
 // types.
 //
@@ -224,6 +232,37 @@ int logline(char *str, struct ircdstate *ircdstate, char *basedir, int type) {
 
       break;
 
+    case LOG_QUIT:
+      // Build a friendly message (e.g. "#channel :nick!user@host QUIT :foo bar baz" -> "nick (user@host) has quit (foo bar baz)")
+
+      // Find the bang in the prefix
+      // (ret and posbang defined above in case LOG_JOINPART)
+      if ((ret = strstr(tokens[1], "!")) != NULL) {
+        // Position within str of "!"
+        posbang = ret - tokens[1];
+      } else {
+        // No idea what happened, let's abandon ship
+        debugprint(DEBUG_CRIT, "logline(): Unable to find '!' within nick!user@host, returning!\n");
+        return 0;
+      }
+
+      // Make it a null character
+      tokens[1][posbang] = '\0';
+
+      // Strip the prefix from the quit message
+      stripprefix(str);
+
+      // Build a friendly message (e.g. "nick (user@host) has quit (Quit: message)")
+      snprintf(line, MAXCHAR, "%s (%s) has quit (%s)", tokens[1] + 1, tokens[1] + posbang + 1, str);
+
+      // Build the log filename
+      if (!snprintf(filename, MAXCHAR, "%s/logs/%s.log", basedir, tokens[0])) {
+        debugprint(DEBUG_CRIT, "logline(): Error while preparing log filename for quit, returning!\n");
+        return 0;
+      }
+
+      break;
+
     default :
       debugprint(DEBUG_CRIT, "logline(): Unknown log type '%d', returning 0.\n", type);
       return 0;
@@ -284,7 +323,7 @@ int logline(char *str, struct ircdstate *ircdstate, char *basedir, int type) {
         return 0;
       }
     }
-  } else if (type == LOG_JOINPART || type == LOG_TOPIC || type == LOG_NETWORK) {
+  } else if (type == LOG_JOINPART || type == LOG_TOPIC || type == LOG_NETWORK || type == LOG_QUIT) {
     // Prepend the time string
     char line2[MAXCHAR];
     if (!snprintf(line2, MAXCHAR, "%s %s", timestr, line)) {
@@ -300,7 +339,7 @@ int logline(char *str, struct ircdstate *ircdstate, char *basedir, int type) {
   // Ensure the line finishes with CRLF
   appendcrlf(line);
 
-  debugprint(DEBUG_FULL, "logline(): Complete log string to write: '%s', length '%ld'.\n", line, strlen(line));
+  debugprint(DEBUG_FULL, "logline(): Complete log string to write: '%s' to '%s', length '%ld'.\n", line, filename, strlen(line));
 
   // Write complete line to file
   if ((bytes = fprintf(fp, "%s", line)) < 0) {
-- 
cgit v1.2.3