renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223
2016-03-03 19:46:20 +00:00
parent 4d242d1b44
commit f4ebe841a5
309 changed files with 116 additions and 116 deletions
--- a/src/cw/cw_readelem_ac_descriptor.c
+++ b/src/cw/cw_readelem_ac_descriptor.c
@ -0,0 +1,140 @@
+/*
+    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/>.
+
+*/
+
+/**
+ * @file
+ * @brief cw_readelem_ac_descriptor is implemented here.
+ */
+
+#include "capwap.h"
+#include "acinfo.h"
+#include "bstr.h"
+#include "cw_log.h"
+
+
+static int read_subelem_cisco(struct ac_info* acinfo,int subtype,uint8_t * elem, int len)
+{
+	switch (subtype) {
+		case 0:
+			/* hardware version */
+			bstr_replace(&acinfo->hardware_version,bstr_create(elem,len));
+			break;
+		case 1: 
+			/* software version */
+			bstr_replace(&acinfo->software_version,bstr_create(elem,len));
+			break;
+
+		default:
+			//printf("What? %d\n",subtype);
+			break;
+
+	}
+	
+	return 1;
+}
+
+
+static int read_subelem(struct ac_info* acinfo,int subtype,uint8_t *elem, int len)
+{
+	switch (subtype){
+		case 4:
+			/* hardware version */
+			bstr_replace(&acinfo->hardware_version,bstr_create(elem,len));
+			break;
+		case 5:
+			/* software version */
+			bstr_replace(&acinfo->software_version,bstr_create(elem,len));
+			break;
+	}
+
+	return 1;
+}
+
+/**
+ * Read CAPWAP message elment: AC Descriptor
+ * @param acinfo pointer to acinfo where the result is stored
+ * @param type message element type 
+ * @param msgelem pointer to message element
+ * @param len length of message element
+ * @return 1 AC descriptor sucessfull read \n
+ *	0 not an ac descriptor message\n
+ *	-1 an error has occured
+ */
+int cw_readelem_ac_descriptor(struct ac_info * acinfo,int type, uint8_t *msgelem, int len)
+{
+	if (type != CW_ELEM_AC_DESCRIPTOR)
+		return 0;
+
+	if (len<12)
+		return -1;
+
+	uint32_t val;
+
+	/* read stations and limit */
+	val = ntohl(*((uint32_t*)msgelem));
+	acinfo->stations  = val>>16;
+	acinfo->limit = val&0xffff;
+
+
+	/* read active wtps and max wtps */
+	val = ntohl(*((uint32_t*)(msgelem+4)));
+	acinfo->active_wtps  = val>>16;
+	acinfo->max_wtps = val&0xffff;
+
+	/* read active wtps and max wtps */
+	val = ntohl(*((uint32_t*)(msgelem+8)));
+	acinfo->security = val >>24;
+	acinfo->rmac= (val >> 16)&0xff;
+	acinfo->dtls_policy=val&0xf;
+
+	int sub=12;
+	int sublen;
+
+
+	while (sub<len){
+		if (len-sub<8)
+			return -1;
+
+		uint32_t vendor = ntohl(*((uint32_t*)(msgelem+sub)));
+		val = ntohl(*((uint32_t*)(msgelem+sub+4)));
+		sublen = val&0xffff;
+		sub+=8;
+		int subtype = val>>16;
+
+		cw_dbg(DBG_ELEM,"AC Descriptor sub-element vendor: %d, type:%d, len: %d",vendor,subtype,sublen);
+		switch (vendor) {
+			case 0:
+				read_subelem(acinfo,subtype,msgelem+sub,sublen);
+				break;
+				
+			case CW_VENDOR_ID_CISCO:
+				read_subelem_cisco(acinfo,subtype,msgelem+sub,sublen);
+				break;
+			
+		}
+
+		if (sub+sublen>len)
+			return -1;
+
+		sub+=sublen;
+	}
+
+	return 1;	
+}
+
+