maxseg / TCP_MAXSEG support added

src/common.c

@@ -93,27 +93,31 @@ char *rotations[] = {
 
 
 struct extparam conf = {
-	{0, 0},
+	{0, 0}, /* threadinit */
-	{1, 5, 30, 60, 180, 1800, 15, 60, 15, 5, 0, 0},
+	{1, 5, 30, 60, 180, 1800, 15, 60, 15, 5, 0, 0}, /* timeouts */
-	NULL,
+	NULL, /* struct ace * acl; */
-	NULL,
+	NULL, /* char * conffile; */
-	NULL, NULL,
+	NULL, NULL, /* struct bandlim * bandlimiter,  *bandlimiterout; */
-	NULL,
+	NULL, /* struct connlim * connlimiter; */
-	NULL,
+	NULL, /* struct trafcount * trafcounter; */
-	NULL,
+	NULL, /* struct srvparam *services; */
-	0,
+	0, /* int stacksize, */
-	-1, 0, 0, 0, 0, 
+	-1, 0, 0, 0, 0, /* counterd, haveerror, rotate, paused, archiverc, */
-	0, 500, 0, 0, 0, 0, 0, 0, 2,
+	0, 500, 0, 0, 0, 0, 0, 0, 2, /* demon, maxchild, backlog, needreload, timetoexit, version, noforce, bandlimver, parentretries; */
-	0, 0, 0,
+	6, 600, /* int authcachetype, authcachetime; */
-	6, 600,
+	1048576, /* int filtermaxsize; */
-	1048576,
+	0, 0, 0, /* int gracetraf, gracenum, gracedelay */
-	NULL, NULL,
+	0, /* int maxseg */
-	NONE, NONE,
+	NULL, NULL, /* unsigned char *logname, **archiver; */
-	NULL,
+	NONE, NONE, /* ROTATION logtype, countertype; */
+	NULL, /* char * counterfile; */
 #ifndef NOIPV6
-	{AF_INET},{AF_INET6},{AF_INET}, 
+	{AF_INET},
+	{AF_INET6},
+	{AF_INET}, 
 #else
-	{AF_INET},{AF_INET}, 
+	{AF_INET},
+	{AF_INET}, 
 #endif
 	NULL,
 	NULL,

src/conf.c

@@ -466,6 +466,11 @@ static int h_rotate(int argc, unsigned char **argv){
 	return 0;
 }
 
+static int h_maxseg(int argc, unsigned char **argv){
+	conf.maxseg = atoi((char *)argv[1]);
+	return 0;
+}
+
 static int h_logformat(int argc, unsigned char **argv){
 	unsigned char * old = conf.logformat;
 	conf.logformat = (unsigned char *)mystrdup((char *)argv[1]);
@@ -1645,11 +1650,12 @@ struct commands commandhandlers[]={
 	{commandhandlers+61, "force", h_force, 1, 1},
 	{commandhandlers+62, "noforce", h_noforce, 1, 1},
 	{commandhandlers+63, "parentretries", h_parentretries, 2, 2},
-	{commandhandlers+64,  "auto", h_proxy, 1, 0},
+	{commandhandlers+64, "auto", h_proxy, 1, 0},
 	{commandhandlers+65, "backlog", h_backlog, 2, 2},
-	{commandhandlers+66,  "tlspr", h_proxy, 1, 0},
+	{commandhandlers+66, "tlspr", h_proxy, 1, 0},
+	{commandhandlers+67, "maxseg", h_maxseg, 2, 2},
 #ifndef NORADIUS
-	{commandhandlers+67, "radius", h_radius, 3, 0},
+	{commandhandlers+68, "radius", h_radius, 3, 0},
 #endif
 	{specificcommands, 	 "", h_noop, 1, 0}
 };

src/proxymain.c

@@ -170,6 +170,9 @@ struct socketoptions sockopts[] = {
 #endif
 #ifdef TCP_FASTOPEN_CONNECT
 	{TCP_FASTOPEN_CONNECT, "TCP_FASTOPEN_CONNECT"},
+#endif
+#ifdef TCP_MAXSEG
+	{TCP_MAXSEG, "TCP_MAXSEG"},
 #endif
 	{0, NULL}
 };
@@ -193,6 +196,12 @@ void setopts(SOCKET s, int opts){
 	int i, opt, set;
 	for(i = 0; opts >= (opt = (1<<i)); i++){
 		set = 1;
+#ifdef TCP_MAXSEG
+		if(sockopts[i].opt == TCP_MAXSEG){
+		    if(!conf.maxseg) continue;
+		    set = conf.maxseg;
+		}
+#endif
 		if(opts & opt) setsockopt(s, *sockopts[i].optname == 'T'? IPPROTO_TCP:
 #ifdef SOL_IP
 			*sockopts[i].optname == 'I'? SOL_IP: 

src/structures.h

@@ -651,6 +651,7 @@ struct extparam {
 	int authcachetype, authcachetime;
 	int filtermaxsize;
 	int gracetraf, gracenum, gracedelay;
+	int maxseg;
 	unsigned char *logname, **archiver;
 	ROTATION logtype, countertype;
 	char * counterfile;