Initial commit

FossilOrigin-Name: c53d95729c009f8f80a7d63847cef7668ff73f8af0523ab65f7734696f85399c
2014-07-11 20:12:11 +00:00
parent 3234327f71
commit 2bae9358d7
136 changed files with 11071 additions and 0 deletions
--- a/src/capwap/cwmsg_send.c
+++ b/src/capwap/cwmsg_send.c
@ -0,0 +1,91 @@
+/*
+    This file is part of libcapwap.
+
+    libcapwap is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    libcapwap is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "capwap.h"
+
+#include "cwmsg.h"
+
+
+int mtu = 564;
+
+int __old_cwmsg_send(struct cwmsg * cwmsg, int seqnum, int rid, struct conn * conn) 
+{
+	uint32_t val;
+
+	/* second dword of message control header */
+	val = (seqnum<<24)|((cwmsg->pos+3)<<8);
+	*((uint32_t*)(cwmsg->ctrlhdr+4))=htonl(val);
+
+
+	
+//	int msglen = cwmsg->ctrlhdr-cwmsg->buffer+cwmsg->pos;
+	int msglen = cwmsg->pos+8;
+
+	uint8_t * ptr = cwmsg->buffer;
+	int fragoffset = 0;
+	int hlen = cwmsg->hlen*4;
+
+
+
+	int preamble = CW_VERSION | 0;
+
+
+	int wbid=CWTH_WBID_IEEE80211;
+	int packetlen = msglen+hlen;	
+
+	while (packetlen>mtu){
+		val = (preamble << 24) | ((hlen/4)<<19) | (rid<<14) |(wbid<<9) | 
+				CWTH_FLAGS_T |
+				CWTH_FLAGS_F |
+				cwmsg->flags;
+		*((uint32_t*)ptr)=htonl(val);
+
+		val = conn->fragid<<16 | fragoffset<<3;
+		*((uint32_t*)(ptr+8))=htonl(val);
+
+//		printf("Offset = %d\n",fragoffset);
+
+		conn_send_packet(conn,ptr,mtu);	
+
+		ptr +=mtu-hlen;
+		fragoffset+=(mtu-hlen)/8;
+
+		packetlen-=mtu-hlen;
+//		printf("Packelen=%d\n",packetlen);
+
+	}
+
+	val = (preamble << 24) | ((hlen/4)<<19) | (rid<<14) |(wbid<<9) | 
+		CWTH_FLAGS_T|cwmsg->flags;
+
+	if (fragoffset)
+		val |= CWTH_FLAGS_F | CWTH_FLAGS_L;
+
+
+//	printf("Setting first byte %08X\n",val);
+	*((uint32_t*)ptr)=htonl(val);
+
+
+	val = conn->fragid<<16 | fragoffset<<3;
+	*((uint32_t*)(ptr+4))=htonl(val);
+
+	return conn_send_packet(conn,cwmsg->buffer,msglen-fragoffset*8+hlen);
+}
+
+
+