From: Egor <egor@patchysicp.xyz>
Date: Fri, 27 May 2022 19:50:14 +0000 (+0300)
Subject: add HELP command
X-Git-Url: https://git.patchysicp.xyz/?a=commitdiff_plain;h=3961957a273539b2d0835520ed2df78c18084b3f;p=patchyircd.git

add HELP command
---

diff --git a/.gitignore b/.gitignore
index 12e498f..0c8d1bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ cert.pem
 key.pem
 users.txt
 newusers.txt
+help.txt
diff --git a/irc.c b/irc.c
index a5e86ff..f1a1b88 100644
--- a/irc.c
+++ b/irc.c
@@ -498,6 +498,24 @@ int processPacket(struct client_data *client, char *source, char *command, int a
 			return err_nosuchserver(client, args[0]), sendbuf(client), 0;
 		// Send welcome
 		sendMOTD(client);
+	} else if(strcmp(command, "HELP") == 0) {
+		if (!is_registered(client))
+			return err_notregistered(client), sendbuf(client), 0;
+		char line[512];
+		FILE *f = fopen("help.txt", "r");
+		if (f) {
+			copy_strf(&databuf, ":%s 704 %s * :** /HELP **\r\n", hostname, client->nick), sendbuf(client);
+			while (fgets(line, 512, f)) {
+				char *c = strchr(line, '\n');
+				if (*c)
+					*c = '\0';
+				copy_strf(&databuf, ":%s 705 %s * :%s\r\n", hostname, client->nick, line), sendbuf(client);
+			}
+			fclose(f);
+			copy_strf(&databuf, ":%s 706 %s * :End of /HELP\r\n", hostname, client->nick), sendbuf(client);
+		} else {
+			copy_strf(&databuf, ":%s 524 %s * :No help available on this topic\r\n", hostname, client->nick), sendbuf(client);
+		}
 	} else if(strcmp(command, "VERSION") == 0) {
 		if (!is_registered(client))
 			return err_notregistered(client), sendbuf(client), 0;