From 1eb0f638b031f220cf199251066f74a83c659b0c Mon Sep 17 00:00:00 2001
From: Jonas Gunz <himself@jonasgunz.de>
Date: Sat, 3 Oct 2020 01:14:53 +0200
Subject: now accepts parameters

---
 src/main.c | 38 +++++++++++++++++++++++++++++++++++++-
 src/rcon.c |  2 +-
 src/rcon.h |  1 -
 3 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/src/main.c b/src/main.c
index 0a80bf6..fbbdd09 100644
--- a/src/main.c
+++ b/src/main.c
@@ -28,6 +28,8 @@ program_params_t parse_args ( int argc, char* argv[] );
 
 int connect_socket ( char* _host, char* _port );
 
+void print_help ( char* _progname );
+
 int main( int argc, char* argv[] ) {
 	program_params_t args = parse_args( argc, argv );
 
@@ -51,7 +53,33 @@ int main( int argc, char* argv[] ) {
 }
 
 program_params_t parse_args ( int argc, char* argv[] ) {
-	program_params_t ret = { "127.0.0.1", "25575", "1234", "list" };
+	program_params_t ret;
+	memset(&ret, 0, sizeof ret);
+
+	if ( argc < 5 )
+		print_help ( argv[0] );
+
+	ret.host = argv[1];
+	ret.port = argv[2];
+	ret.password = argv[3];
+
+	unsigned int len = 0;
+	for ( int i = 4; i < argc; i++ ) {
+		len += strlen ( argv[i] ) + 1;
+	}
+
+	ret.command = malloc ( len + 1);
+	ret.command[len] = 0;
+
+	unsigned int cnt = 0;
+	for ( int i = 4; i < argc; i++ ) {
+		int arglen = strlen(argv[i]) + 1;
+		memcpy ( ret.command + cnt, argv[i], arglen);
+		(ret.command + cnt)[arglen - 1] = ' ';
+		cnt += arglen;
+	}
+	ret.command[len-1] = 0; // Hacky AF
+
 	return ret;
 }
 
@@ -89,3 +117,11 @@ int connect_socket ( char* _host, char* _port ) {
 	return sock;
 }
 
+void print_help ( char* _progname ) {
+	printf(
+			"Minecraft RCON client\n"
+			"Usage:\n"
+			"	%s HOST PORT PASSWORD COMMAND",
+			_progname
+	      );
+}
diff --git a/src/rcon.c b/src/rcon.c
index 2a79e64..1e876cf 100644
--- a/src/rcon.c
+++ b/src/rcon.c
@@ -58,7 +58,7 @@ int rcon_parse_packet ( rcon_packet_t* _packet, char* _buffer, uint32_t _len ) {
 		return -1;
 
 	int32_t bytecount = 0;
-	
+
 	bytecount += rcon_read_int ( _buffer + bytecount, _len - bytecount, &_packet->length );
 	bytecount += rcon_read_int ( _buffer + bytecount, _len - bytecount, &_packet->id );
 	bytecount += rcon_read_int ( _buffer + bytecount, _len - bytecount, &_packet->type );
diff --git a/src/rcon.h b/src/rcon.h
index 8ca46c6..1c1e232 100644
--- a/src/rcon.h
+++ b/src/rcon.h
@@ -22,7 +22,6 @@
 #include <sys/socket.h>
 
 #define RCON_LOGIN	3
-#define RCON_LOLGINFAIL	-1
 #define RCON_COMMAND	2
 #define RCON_RESPONSE	0
 
-- 
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