From 1f3e3d9ce8936a9606d5a4d042ba2da5553b4f7b Mon Sep 17 00:00:00 2001
From: Egor <egor@patchysicp.xyz>
Date: Tue, 23 Jan 2024 05:21:16 +0200
Subject: [PATCH] add ctcp time logging

---
 src/admin.c  |  1 +
 src/common.h |  1 +
 src/irc.c    | 18 +++++++++++++++++-
 src/net.c    |  1 +
 4 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/admin.c b/src/admin.c
index 2e11877..e2b7a5b 100644
--- a/src/admin.c
+++ b/src/admin.c
@@ -140,6 +140,7 @@ static int client_index(lua_State *L)
 	string_getter(cl, nick_reg);
 	/* string_getter(cl, pass_reg); */
 	string_getter(cl, ctcp_version);
+	string_getter(cl, ctcp_time);
 	string_getter(cl, peername);
 	integer_getter(cl, peerport);
 	/* buf/bufLen/wbuf/wbufLen */
diff --git a/src/common.h b/src/common.h
index 2f49742..f2c73c9 100644
--- a/src/common.h
+++ b/src/common.h
@@ -47,6 +47,7 @@ struct client_data {
 	char   *nick_reg;
 	char   *pass_reg;
 	char   *ctcp_version;
+	char   *ctcp_time;
 	char   *peername;
 	unsigned short peerport;
 	char   buf[2048];
diff --git a/src/irc.c b/src/irc.c
index 1c0bc46..de7f133 100644
--- a/src/irc.c
+++ b/src/irc.c
@@ -549,6 +549,20 @@ int processPacket(struct client_data *client, char *source, char *command, int a
 				if (!client->ctcp_version)
 					abort();
 			}
+			if (!strncmp(args[1], "\1TIME ", 6)) {
+				args[1] += 6;
+				char *p = strchr(args[1], '\1');
+				if (p)
+					*p = '\0';
+				free(client->ctcp_time);
+				time_t current = get_time();
+				char buf[20];
+				strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", gmtime(&current));
+				client->ctcp_time = malloc(strlen(args[1])+sizeof(" (received on UTC)")+sizeof(buf));
+				if (!client->ctcp_time)
+					abort();
+				sprintf(client->ctcp_time, "%s (received on %s UTC)", args[1], buf);
+			}
 			return 0;
 		}
 		(command[0] == 'P' ? msg_privmsg : msg_notice)(client, args[0], args[1]);
@@ -1053,7 +1067,9 @@ int processPacket(struct client_data *client, char *source, char *command, int a
 			if (client == cl || client->umode & UMODE_OPER)
 				rpl_whoisactually(client, cl), sendbuf(client);
 			if (cl->ctcp_version && client->umode & UMODE_OPER)
-				rpl_whoisspecial(client, cl, "Version: ", cl->ctcp_version), sendbuf(client);
+				rpl_whoisspecial(client, cl, "CTCP VERSION: ", cl->ctcp_version), sendbuf(client);
+			if (cl->ctcp_time && client->umode & UMODE_OPER)
+				rpl_whoisspecial(client, cl, "CTCP TIME: ", cl->ctcp_time), sendbuf(client);
 			rpl_whoismodes(client, cl), sendbuf(client);
 			if (cl->umode & UMODE_BOT)
 				rpl_whoisbot(client, cl), sendbuf(client);
diff --git a/src/net.c b/src/net.c
index 1e5f526..834baa5 100644
--- a/src/net.c
+++ b/src/net.c
@@ -133,6 +133,7 @@ void killConnectionPart2(struct client_data *cl)
 		memset(cl->pass_reg, 0, strlen(cl->pass_reg));
 	free(cl->pass_reg);
 	free(cl->ctcp_version);
+	free(cl->ctcp_time);
 	free(cl->peername);
 	free(cl);
 }
-- 
2.56.0