Add support for longer config lines

With the introduction of CipherList we could have longer config lines.
Handle up to 1024 bytes and warn if the line will be truncated.

src/ngircd/client.c

@@ -238,7 +238,7 @@ Client_Destroy( CLIENT *Client, const char *LogMsg, const char *FwdMsg, bool Sen
 	/* remove a client */
 	
 	CLIENT *last, *c;
-	char msg[LINE_LEN];
+	char msg[COMMAND_LEN];
 	const char *txt;
 
 	assert( Client != NULL );

src/ngircd/conf.c

@@ -1063,7 +1063,7 @@ static void Read_Config_File(const char *File, FILE *fd)
 	/* Read configuration file */
 	section[0] = '\0';
 	while (true) {
-		if (!fgets(str, LINE_LEN, fd))
+		if (!fgets(str, sizeof(str), fd))
 			break;
 		ngt_TrimStr(str);
 		line++;
@@ -1072,6 +1072,12 @@ static void Read_Config_File(const char *File, FILE *fd)
 		if (str[0] == ';' || str[0] == '#' || str[0] == '\0')
 			continue;
 
+		if (strlen(str) >= sizeof(str) - 1) {
+			Config_Error(LOG_WARNING, "%s, line %d too long!",
+				     File, line);
+			continue;
+		}
+
 		/* Is this the beginning of a new section? */
 		if ((str[0] == '[') && (str[strlen(str) - 1] == ']')) {
 			strlcpy(section, str, sizeof(section));
@@ -1474,7 +1480,7 @@ Handle_GLOBAL(const char *File, int Line, char *Var, char *Arg )
 		len = strlen(Arg);
 		if (len == 0)
 			return;
-		if (len >= LINE_LEN) {
+		if (len >= 127) {
 			Config_Error_TooLong(File, Line, Var);
 			return;
 		}

src/ngircd/defines.h

@@ -36,7 +36,7 @@
 /* Generic buffer sizes */
 
 /** Max. length of a line in the configuration file. */
-#define LINE_LEN 256
+#define LINE_LEN 1024
 
 /** Max. length of a log message. */
 #define MAX_LOG_MSG_LEN 256

src/ngircd/hash.c

@@ -37,7 +37,7 @@ static UINT32 jenkins_hash PARAMS((UINT8 *k, UINT32 length, UINT32 initval));
 GLOBAL UINT32
 Hash( const char *String )
 {
-	char buffer[LINE_LEN];
+	char buffer[COMMAND_LEN];
 
 	strlcpy(buffer, String, sizeof(buffer));
 	return jenkins_hash((UINT8 *)ngt_LowerStr(buffer),

src/ngircd/irc-login.c

@@ -630,7 +630,7 @@ GLOBAL bool
 IRC_QUIT( CLIENT *Client, REQUEST *Req )
 {
 	CLIENT *target;
-	char quitmsg[LINE_LEN];
+	char quitmsg[COMMAND_LEN];
 
 	assert(Client != NULL);
 	assert(Req != NULL);

src/ngircd/irc-server.c

@@ -53,7 +53,7 @@
 GLOBAL bool
 IRC_SERVER( CLIENT *Client, REQUEST *Req )
 {
-	char str[LINE_LEN];
+	char str[100];
 	CLIENT *from, *c;
 	int i;
 

src/ngircd/numeric.c

@@ -47,7 +47,7 @@ Announce_Channel(CLIENT *Client, CHANNEL *Chan)
 {
 	CL2CHAN *cl2chan;
 	CLIENT *cl;
-	char str[LINE_LEN], *ptr;
+	char str[COMMAND_LEN], *ptr;
 	bool njoin, xop;
 
 	/* Check features of remote server */
@@ -82,7 +82,7 @@ Announce_Channel(CLIENT *Client, CHANNEL *Chan)
 			strlcat(str, Client_ID(cl), sizeof(str));
 
 			/* Send the data if the buffer is "full" */
-			if (strlen(str) > (LINE_LEN - CLIENT_NICK_LEN - 8)) {
+			if (strlen(str) > (sizeof(str) - CLIENT_NICK_LEN - 8)) {
 				if (!IRC_WriteStrClient(Client, "%s", str))
 					return DISCONNECTED;
 				snprintf(str, sizeof(str), "NJOIN %s :",

src/ngircd/parse.c

@@ -423,7 +423,7 @@ Handle_Numeric(CLIENT *client, REQUEST *Req)
 		{ 376, IRC_Num_ENDOFMOTD }
 	};
 	int i, num;
-	char str[LINE_LEN];
+	char str[COMMAND_LEN];
 	CLIENT *prefix, *target = NULL;
 
 	/* Determine target */