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some improvements to support Cisco.

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FossilOrigin-Name: 9f0d9e58d55f90bd2020ef622b2501bccbb6038972c04550cb06248139b080c5
This commit is contained in:
7u83@mail.ru
2015-03-12 22:21:57 +00:00
parent 955ab26a81
commit 9f048da56f
21 changed files with 172 additions and 48 deletions
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1
src/capwap/Makefile
View File

@ -126,6 +126,7 @@ CAPWAPOBJS= \
cw_readelem_statistics_timer.o \
cw_readelem_mtu_discovery_padding.o \
cw_readelem_vendor_specific_payload.o \
cw_readelem_capwap_local_ip_addr.o \
cw_readelem_wtp_reboot_statistics.o\
cwmsg_addelem_vendor_cisco_ap_timesync.o \
lw_checksum.o

9
src/capwap/capwap.h
View File

@ -38,6 +38,7 @@
enum capwapmodes {
CWMODE_STD = 0,
CWMODE_CISCO,
CWMODE_CIPWAP,
CWMODE_ZYXEL
};
@ -234,9 +235,17 @@ struct capwap_ctrlhdr
WTP Radio Statistics 47
*/
#define CWMSGELEM_WTP_REBOOT_STATISTICS 48
#define CWMSGELEM_WTP_STATIC_IP_ADDRESS_INFO 49
/* WTP Static IP Address Information 49
*/
/* Cisco's CAPWAP definitions (CAPWAP draft 7)*/
#define CWMSGELEM_WTP_IPV4_IP_ADDR 42
#define CWMSGELEM_WTP_IPV6_IP_ADDR 43
/* pseudo message elements, defined for libcapwap */

6
src/capwap/cw_msgelemtostr.c
View File

@ -119,8 +119,12 @@ const char * cw_msgelemtostr(int elem)
case CWMSGELEM_WTP_FRAME_TUNNEL_MODE:
return "frame tunnel mode";
case CWMSGELEM_RESERVED_1:
/* case CWMSGELEM_RESERVED_1:
return "reserved (42)";
*/
case CWMSGELEM_WTP_IPV4_IP_ADDR:
return "WTP IPv4 IP address";
/*
Reserved 43
*/

46
src/capwap/cw_readelem_capwap_local_ip_addr.c Normal file
View File

@ -0,0 +1,46 @@
#include <string.h>
#include "capwap.h"
int cw_readelem_capwap_local_ip_addr(struct sockaddr * local_ip, int type, uint8_t * msgelem, int len)
{
switch (type){
case CWMSGELEM_CAPWAP_LOCAL_IPV4_ADDRESS:
case CWMSGELEM_WTP_IPV4_IP_ADDR:
{
if (len!=4)
return -1;
struct sockaddr_in * sain = (struct sockaddr_in*)local_ip;
memset(sain,0,sizeof(struct sockaddr_in));
#ifdef HAVE_SIN_LEN
sain->sa_len=sizeof(struct sockaddr_in);
#endif
memcpy(&sain->sin_addr,msgelem,len);
sain->sin_family=AF_INET;
return 1;
}
#ifdef WITH_IPV6
case CWMSGELEM_CAPWAP_LOCAL_IPV6_ADDRESS:
case CWMSGELEM_WTP_IPV6_IP_ADDR:
{
if (len!=16)
return -1;
struct sockaddr_in6 * sain = (struct sockaddr_in6*)local_ip;
memset(sain,0,sizeof(struct sockaddr_in6));
#ifdef HAVE_SIN6_LEN
sain->sa_len=sizeof(struct sockaddr_in);
#endif
memcpy(&sain->sin6_addr,msgelem,len);
sain->sin6_family=AF_INET6;
return 1;
}
#endif
}
return 0;
}

10
src/capwap/cwmsg_addelem_wtp_board_data.c
View File

@ -8,12 +8,15 @@
void cwmsg_addelem_wtp_board_data(struct cwmsg *cwmsg, struct wtpinfo *wtpinfo)
{
uint8_t msg[1030];
uint8_t msg[512];
/* vendor identifier */
*((uint32_t *) msg) = htonl(wtpinfo->vendor_id);
int l;
int len = 4;
/* mandatory sub-elements */
if (wtpinfo->model_no) {
l = bstr_len(wtpinfo->model_no);
*((uint32_t *) (msg + len)) = htonl(CWBOARDDATA_MODELNO << 16 | l);
@ -22,12 +25,13 @@ void cwmsg_addelem_wtp_board_data(struct cwmsg *cwmsg, struct wtpinfo *wtpinfo)
}
if (wtpinfo->serial_no) {
l = strlen((char *) wtpinfo->serial_no);
l = bstr_len( wtpinfo->serial_no);
*((uint32_t *) (msg + len)) = htonl(CWBOARDDATA_SERIALNO << 16 | l);
memcpy(msg + len + 4, wtpinfo->serial_no, l);
memcpy(msg + len + 4, bstr_data(wtpinfo->serial_no), l);
len += l + 4;
}
/* other sub-elements */
if (wtpinfo->macaddress) {
*((uint32_t *) (msg + len)) =
htonl(CWBOARDDATA_MACADDRESS << 16 | wtpinfo->macaddress_len);

46
src/capwap/cwmsg_addelem_wtp_descriptor.c
View File

@ -2,22 +2,27 @@
#include <string.h>
#include "capwap.h"
#include "bstr.h"
static inline int wtpdesc_addsubelem(uint8_t * dst,uint8_t type,uint32_t vendorid,uint8_t * str,int len)
static inline int wtpdesc_addsubelem(uint8_t * dst,uint8_t type,uint32_t vendorid,uint8_t * str)
{
// printf("add subelem\n");
int l;
*((uint32_t*)(dst))=htonl(vendorid);
// printf("htonl done\n");
if (len==-1)
l=strlen((char*)str);
else
l=len;
// if (len==-1)
// l=strlen((char*)str);
// else
// l=len;S
l = bstr_len(str);
// printf("strlne got %d\n",l);
*((uint32_t*)(dst+4))=htonl((type<<16)|l);
// printf("memcopy str %d\n",l);
memcpy(dst+8,str,l);
memcpy(dst+8,bstr_data(str),l);
return l+8;
}
@ -31,11 +36,20 @@ void cwmsg_addelem_wtp_descriptor(struct cwmsg * cwmsg, struct wtpinfo * wtpinfo
*(d+1)=wtpinfo->radios_in_use;
len=2;
switch (wtpinfo->capwap_mode){
case CWMODE_CISCO:
*((uint16_t*)(d+len))=0;
len+=2;
break;
default:
break;
}
/* number of encryption elemnts */
// *(d+len)=1;
// len+=1;
*(d+len)=0;
len+=1;
// *(d+len)=0;
// len+=1;
/* encryption elements */
@ -52,20 +66,20 @@ void cwmsg_addelem_wtp_descriptor(struct cwmsg * cwmsg, struct wtpinfo * wtpinfo
*/
/* software subelem*/
len+=wtpdesc_addsubelem(d+len,CWMSGSUBELEM_WTP_DESCRIPTOR_SOFTWARE_VERSION,
wtpinfo->software_vendor_id,wtpinfo->software_version,-1);
wtpinfo->software_vendor_id,wtpinfo->software_version);
/* hardware subelem*/
// len+=wtpdesc_addsubelem(d+len,CWMSGSUBELEM_WTP_DESCRIPTOR_HARDWARE_VERSION,
// wtpinfo->hardware_vendor_id,wtpinfo->hardware_version,2);
/* len+=wtpdesc_addsubelem(d+len,CWMSGSUBELEM_WTP_DESCRIPTOR_HARDWARE_VERSION,
len+=wtpdesc_addsubelem(d+len,CWMSGSUBELEM_WTP_DESCRIPTOR_HARDWARE_VERSION,
wtpinfo->hardware_vendor_id,wtpinfo->hardware_version);
/*
len+=wtpdesc_addsubelem(d+len,CWMSGSUBELEM_WTP_DESCRIPTOR_HARDWARE_VERSION,
wtpinfo->hardware_vendor_id,hww,2);
*/
/* bootloader subelem*/
/* len+=wtpdesc_addsubelem(d+len,CWMSGSUBELEM_WTP_DESCRIPTOR_BOOTLOADER_VERSION,
wtpinfo->bootloader_vendor_id,wtpinfo->bootloader_version,-1);
len+=wtpdesc_addsubelem(d+len,CWMSGSUBELEM_WTP_DESCRIPTOR_BOOTLOADER_VERSION,
wtpinfo->bootloader_vendor_id,wtpinfo->bootloader_version);
*/
cwmsg_addelem(cwmsg,CWMSGELEM_WTP_DESCRIPTOR,d,len);
}

7
src/capwap/cwsend_join_request.c
View File

@ -42,8 +42,11 @@ int cwsend_join_request(struct conn * conn,struct radioinfo * radioinfo,struct w
cwmsg_addelem(&cwmsg,CWMSGELEM_WTP_MAC_TYPE,&wtpinfo->mac_type,sizeof(uint8_t));
cwmsg_addelem_wtp_radio_infos(&cwmsg,wtpinfo->radioinfo);
cwmsg_addelem(&cwmsg,CWMSGELEM_ECN_SUPPORT,&wtpinfo->ecn_support,sizeof(uint8_t));
cwmsg_addelem_cw_local_ip_addr(&cwmsg,conn);
if (wtpinfo->capwap_mode != CWMODE_CISCO){
cwmsg_addelem(&cwmsg,CWMSGELEM_ECN_SUPPORT,&wtpinfo->ecn_support,sizeof(uint8_t));
cwmsg_addelem_cw_local_ip_addr(&cwmsg,conn);
}
uint16_t l = htons(wtpinfo->max_msg_len);
cwmsg_addelem(&cwmsg,CWMSGELEM_MAXIMUM_MESSAGE_LENGTH,(uint8_t*)&l,sizeof(l));

12
src/capwap/dtls_gnutls_connect.c
View File

@ -8,9 +8,11 @@
int dtls_gnutls_connect(struct conn *conn)
{
struct dtls_gnutls_data * d;
d = dtls_gnutls_data_create(conn,GNUTLS_CLIENT | GNUTLS_DATAGRAM);
d = dtls_gnutls_data_create(conn,GNUTLS_CLIENT | GNUTLS_DATAGRAM | GNUTLS_NONBLOCK);
// gnutls_dh_set_prime_bits(d->session, 512);
gnutls_handshake_set_timeout(d->session,GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT);
int rc;
do {
rc = gnutls_handshake(d->session);
@ -21,6 +23,14 @@ int dtls_gnutls_connect(struct conn *conn)
cw_log(LOG_ERR,"Can't connect: %s",gnutls_strerror(rc));
return 0;
}
cw_dbg(DBG_DTLS,"DTLS - Handshake successful");
conn->dtls_data=d;
conn->read = dtls_gnutls_read;
conn->write = dtls_gnutls_write;
return 1;
}

2
src/capwap/dtls_openssl_bio.c
View File

@ -121,7 +121,7 @@ long dtls_openssl_bio_ctrl(BIO * b, int cmd, long num, void *ptr)
case BIO_CTRL_DGRAM_QUERY_MTU:
{
ret = 1400;
ret = 1300;
break;
/* sockopt_len = sizeof(sockopt_val);

2
src/capwap/process_join_request.c
View File

@ -70,7 +70,7 @@ static int process_elem(void *eparm,int type,uint8_t* msgelem,int len)
if (wtpinfo_readelem_ecn_support(wtpinfo,type,msgelem,len))
goto foundX;
if (wtpinfo_readelem_cw_local_ip_addr(wtpinfo,type,msgelem,len)){
if (cw_readelem_capwap_local_ip_addr(wtpinfo,type,msgelem,len)){
cw_mand_elem_found(e->mand, XCWMSGELEM_CAPWAP_LOCAL_IP_ADDRESS);
return 1;
}

4
src/capwap/wtpinfo.h
View File

@ -40,6 +40,10 @@ struct wtp_reboot_statistics{
/* structure to hold info about a wtp */
struct wtpinfo{
int capwap_mode;
uint8_t *ac_name;
uint8_t *name;
uint8_t * location;