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Digging deepter into VM concepts...

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FossilOrigin-Name: ba6454642f17c0f87106cb6af12689457433d44ba1fe2dd1ef920dba7be2ef27
This commit is contained in:
7u83@mail.ru
2015-03-31 06:04:03 +00:00
parent 97a8506278
commit 0d9a3ad8c7
26 changed files with 370 additions and 175 deletions
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96
src/ac/ac_main.c
View File

@ -35,7 +35,8 @@
#include "socklist.h" #include "socklist.h"
#include "db.h" #include "db.h"
#include "capwap_items.h"
#include "capwap_cisco.h"
@ -53,11 +54,61 @@ void alive_thread(void *data)
cw_actionlist_t the_tree; cw_actionlist_t the_tree;
int dstart(struct conn *conn,struct cw_action a,uint8_t *data,int len) int dstart(struct conn *conn,struct cw_action_t * a,uint8_t *data,int len)
{ {
printf("DISCO STart Action!!\n"); printf("DISCO STart Action!!\n");
uint8_t * rmac = cw_get_hdr_rmac(data);
printf ("This msg is for %s\n",sock_hwaddr2str(bstr_data(rmac), bstr_len(rmac)));
} }
int readelem_discovery_type(struct conn *conn,struct cw_action * a,uint8_t *data,int len)
{
printf("Discovery Type = %d\n",*data);
cw_itemstore_set_byte(conn->itemstore,CW_ITEM_DISCOVERY_TYPE,*data);
}
int readelem_vendor_specific_payload(struct conn *conn,struct cw_action * a,uint8_t *data,int len)
{
cw_action_t as,*af;
as = *a;
as.vendor_id = cw_get_dword(data);
as.elem_id = cw_get_word(data+4);
printf("Vendor Specific: %d, %d\n",as.vendor_id,as.elem_id);
af = cw_actionlist_get(conn->msgtr,&as);
if (!af) {
printf("Msg unknown\n");
return 0;
}
printf("Found\n");
if (af->start) {
af->start(conn,af,data+6,len-6);
}
return 1;
}
int readelem_cisco_rad_name(struct conn *conn,struct cw_action * a,uint8_t *data,int len)
{
printf("Here is the rad name reader\n");
int i;
for (i=0; i<len; i++) {
printf("%c",data[i]);
}
printf("\n");
}
int main (int argc, const char * argv[]) int main (int argc, const char * argv[])
@ -69,27 +120,38 @@ the_tree=t;
cw_action_t discovery_actions[] = { cw_action_t discovery_actions[] = {
{ CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST,-1,0,0, { 0,0,CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST,-1,
dstart dstart,0 },
},
{CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_DISCOVERY_TYPE}, { 0,0,CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_DISCOVERY_TYPE,
{CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_WTP_BOARD_DATA}, readelem_discovery_type,0 },
{CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_WTP_DESCRIPTOR},
{CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_WTP_FRAME_TUNNEL_MODE}, { 0,0,CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_VENDOR_SPECIFIC_PAYLOAD,
{CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_WTP_MAC_TYPE}, readelem_vendor_specific_payload,0 },
{0}
{ CW_VENDOR_ID_CISCO,0,CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_CISCO_RAD_NAME,
readelem_cisco_rad_name,0 },
{ 0,0,CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_WTP_BOARD_DATA},
{ 0,0,CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_WTP_DESCRIPTOR},
{ 0,0,CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_WTP_FRAME_TUNNEL_MODE},
{ 0,0,CW_STATE_DISCOVERY,CW_MSG_DISCOVERY_REQUEST, CW_ELEM_WTP_MAC_TYPE},
{ 0,0,0}
}; };
cw_action_t join_actions[] = { cw_action_t join_actions[] = {
{CW_STATE_JOIN,CW_MSG_JOIN_REQUEST,-1,0,0}, {0,0,CW_STATE_JOIN,CW_MSG_JOIN_REQUEST,-1,0,0},
{CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_DISCOVERY_TYPE}, {0,0,CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_DISCOVERY_TYPE},
{CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_WTP_BOARD_DATA}, {0,0,CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_WTP_BOARD_DATA},
{CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_WTP_DESCRIPTOR}, {0,0,CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_WTP_DESCRIPTOR},
{CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_WTP_FRAME_TUNNEL_MODE}, {0,0,CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_WTP_FRAME_TUNNEL_MODE},
{CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_WTP_MAC_TYPE}, {0,0,CW_STATE_JOIN,CW_MSG_JOIN_REQUEST, CW_ELEM_WTP_MAC_TYPE},
{0} {0}

21
src/ac/wtpman.c
View File

@ -356,15 +356,32 @@ static void wtpman_run_discovery(void *arg)
struct wtpman * wtpman = (struct wtpman *)arg; struct wtpman * wtpman = (struct wtpman *)arg;
struct cwrmsg * cwrmsg; struct cwrmsg * cwrmsg;
void conn_msg_processor(struct conn *conn);
time_t timer = cw_timer_start(10);
extern cw_actionlist_t the_tree; extern cw_actionlist_t the_tree;
wtpman->conn->capwap_state=CW_STATE_DISCOVERY; wtpman->conn->capwap_state=CW_STATE_DISCOVERY;
wtpman->conn->msgtr=the_tree; wtpman->conn->msgtr=the_tree;
wtpman->conn->itemstore = cw_itemstore_create();
time_t timer = cw_timer_start(10); while ( !cw_timer_timeout(timer) && wtpman->conn->capwap_state==CW_STATE_DISCOVERY){
conn_msg_processor(wtpman->conn);
}
// cwsend_discovery_response(wtpman->conn,cwrmsg->seqnum,&radioinfo,acinfo,&wtpman->wtpinfo);
wtpman_remove(wtpman);
return;
timer = cw_timer_start(10);
cwrmsg = wtpman_wait_for_message(wtpman, timer); cwrmsg = wtpman_wait_for_message(wtpman, timer);
if ( !cwrmsg ) if ( !cwrmsg )
@ -415,8 +432,6 @@ wtpman->conn->msgtr=the_tree;
*/ */
cwsend_discovery_response(wtpman->conn,cwrmsg->seqnum,&radioinfo,acinfo,&wtpman->wtpinfo); cwsend_discovery_response(wtpman->conn,cwrmsg->seqnum,&radioinfo,acinfo,&wtpman->wtpinfo);
wtpman_remove(wtpman); wtpman_remove(wtpman);
} }

6
src/capwap/Makefile
View File

@ -160,7 +160,11 @@ CAPWAPOBJS= \
cw_readmsg_configuration_status_request.o \ cw_readmsg_configuration_status_request.o \
cw_cisco_id_to_str.o\ cw_cisco_id_to_str.o\
cw_readelem_cisco_wtp_radio_cfg.o \ cw_readelem_cisco_wtp_radio_cfg.o \
cw_addelem_cisco_wtp_radio_cfg.o cw_addelem_cisco_wtp_radio_cfg.o \
cw_strlist_get_str.o \
capwap_msg_strings.o \
capwap_state_strings.o \
itemstore.o
#cw_ianavendoridtostr.o \ #cw_ianavendoridtostr.o \

42
src/capwap/capwap.h
View File

@ -63,8 +63,10 @@ enum capwap_states {
CW_STATE_NONE=0, CW_STATE_NONE=0,
CW_STATE_DISCOVERY, CW_STATE_DISCOVERY,
CW_STATE_JOIN, CW_STATE_JOIN,
CW_STATE_CONFIGURE,
CW_STATE_IMAGE,
CW_STATE_UPDATE, CW_STATE_UPDATE,
CW_STATE_RUN, CW_STATE_RUN
}; };
@ -122,8 +124,8 @@ struct capwap_ctrlhdr
#define CW_MSG_CONFIGURATION_UPDATE_REQUEST 7 #define CW_MSG_CONFIGURATION_UPDATE_REQUEST 7
#define CW_MSG_CONFIGURATION_UPDATE_RESPONSE 8 #define CW_MSG_CONFIGURATION_UPDATE_RESPONSE 8
#define CWMSG_WTP_EVENT_REQUEST 9 #define CW_MSG_WTP_EVENT_REQUEST 9
#define CWMSG_WTP_EVENT_RESPONSE 10 #define CW_MSG_WTP_EVENT_RESPONSE 10
#define CW_MSG_CHANGE_STATE_EVENT_REQUEST 11 #define CW_MSG_CHANGE_STATE_EVENT_REQUEST 11
#define CW_MSG_CHANGE_STATE_EVENT_RESPONSE 12 #define CW_MSG_CHANGE_STATE_EVENT_RESPONSE 12
@ -137,8 +139,8 @@ struct capwap_ctrlhdr
#define CW_MSG_RESET_REQUEST 17 #define CW_MSG_RESET_REQUEST 17
#define CW_MSG_RESET_RESPONSE 18 #define CW_MSG_RESET_RESPONSE 18
#define CWMSG_PRIMARY_DISCOVERY_REQUEST 19 #define CW_MSG_PRIMARY_DISCOVERY_REQUEST 19
#define CWMSG_PRIMARY_DISCOVERY_RESPONSE 20 #define CW_MSG_PRIMARY_DISCOVERY_RESPONSE 20
/* Data Transfer Request 21 /* Data Transfer Request 21
Data Transfer Response 22 Data Transfer Response 22
@ -503,6 +505,9 @@ extern int cw_readmsg_configuration_update_request(uint8_t *elems,int elems_len)
#define cw_get_hdr_hlen(th) ((ntohl(((uint32_t*)th)[0]) >> 19) & 0x1f) #define cw_get_hdr_hlen(th) ((ntohl(((uint32_t*)th)[0]) >> 19) & 0x1f)
#define cw_get_hdr_rmac(th) (th+8) #define cw_get_hdr_rmac(th) (th+8)
#define cw_get_hdr_rmac_len(th) (*(th+8))
#define cw_get_hdr_rmac_size(th) cw_get_hdr_rmac_len(th)
#define cw_get_hdr_rmac_data(th) (th+9)
#define cw_get_hdr_flag_r1(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R1 ) ? 1:0) #define cw_get_hdr_flag_r1(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R1 ) ? 1:0)
#define cw_get_hdr_flag_r2(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R2 ) ? 1:0) #define cw_get_hdr_flag_r2(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R2 ) ? 1:0)
@ -524,6 +529,10 @@ extern int cw_readmsg_configuration_update_request(uint8_t *elems,int elems_len)
#define cw_get_msg_elems_len(msgptr) ( cw_get_word( (msgptr) +5 )-3) #define cw_get_msg_elems_len(msgptr) ( cw_get_word( (msgptr) +5 )-3)
#define cw_get_msg_elems_ptr(msgptr) ((msgptr)+8) #define cw_get_msg_elems_ptr(msgptr) ((msgptr)+8)
static inline uint8_t * cw_get_hdr_msg_elems_ptr(uint8_t *m){
return cw_get_msg_elems_ptr( m+cw_get_hdr_msg_offset(m) );
}
/** /**
* Get length of a CAPWAP message elemet * Get length of a CAPWAP message elemet
* @param e pointer to element (uint8_t*) * @param e pointer to element (uint8_t*)
@ -540,7 +549,7 @@ extern int cw_readmsg_configuration_update_request(uint8_t *elems,int elems_len)
#define cw_get_elem_len(e) cw_get_word(e+2) #define cw_get_elem_len(e) cw_get_word(e+2)
/** /**
* Get a pinter to the data of a CAPWAP message element * Get a pointer to the data of a CAPWAP message element
* @param e pointer to message element * @param e pointer to message element
* @return pointer to data * @return pointer to data
*/ */
@ -688,4 +697,25 @@ extern int cw_send_configuration_update_response(struct conn * conn,int seqnum,s
#define cwmsg_addelem_radio_operational_state(cwmsg,ri) \ #define cwmsg_addelem_radio_operational_state(cwmsg,ri) \
(cwmsg)->pos+=cw_addelem_radio_operational_state((cwmsg)->msgelems+(cwmsg)->pos,ri) (cwmsg)->pos+=cw_addelem_radio_operational_state((cwmsg)->msgelems+(cwmsg)->pos,ri)
/* Message to text stuff */
struct cw_strlist {
uint32_t id;
const char * str;
};
extern const char * cw_strlist_get_str(struct cw_strlist *s,int id);
extern struct cw_strlist capwap_msg_strings[];
extern struct cw_strlist capwap_state_strings[];
#define cw_strmsg(id) cw_strlist_get_str(capwap_msg_strings,id)
#define cw_strstate(id) cw_strlist_get_str(capwap_state_strings,id)
int cw_process_msg(struct conn * conn,uint8_t * rawmsg,int len);
#endif #endif

17
src/capwap/conn.h
View File

@ -33,12 +33,17 @@
#include "cw_action.h" #include "cw_action.h"
#include "itemstore.h"
struct conn { struct conn {
int sock; int sock;
struct sockaddr_storage addr; struct sockaddr_storage addr;
int recv_timeout; int recv_timeout;
cw_actionlist_t msgtr; cw_itemstore_t itemstore;
struct avltree *msgtr;
uint8_t capwap_state; uint8_t capwap_state;
@ -145,8 +150,10 @@ struct conn * conn_create_noq(int sock, struct sockaddr * addr);
extern int conn_send_cwmsg(struct conn *conn, struct cwmsg *cwmsg); extern int conn_send_cwmsg(struct conn *conn, struct cwmsg *cwmsg);
extern void conn_process_packet(struct conn * conn, uint8_t *packet, int len,int(*cb)(void*,struct cwrmsg*),void *cbarg); extern void conn_process_packet(struct conn *conn, uint8_t * packet, int len,
extern struct cwrmsg * conn_get_message(struct conn * conn); int (*cb) (void *, uint8_t *,int len), void *cbarg);
extern uint8_t *conn_get_message(struct conn *conn);
extern int conn_send_packet(struct conn *conn, const uint8_t * buffer, int len); extern int conn_send_packet(struct conn *conn, const uint8_t * buffer, int len);
extern void conn_destroy(struct conn *conn); extern void conn_destroy(struct conn *conn);
@ -191,7 +198,8 @@ struct image_identifier;
struct cwimage_data; struct cwimage_data;
extern void conn_prepare_request(struct conn *conn, int type); extern void conn_prepare_request(struct conn *conn, int type);
extern int conn_prepare_image_data_request(struct conn * conn, struct cwimage_data *, struct image_identifier *id ); extern int conn_prepare_image_data_request(struct conn *conn, struct cwimage_data *,
struct image_identifier *id);
extern void conn_detect_capwap(struct conn *conn, struct wtpinfo *wtpinfo); extern void conn_detect_capwap(struct conn *conn, struct wtpinfo *wtpinfo);
struct cwrmsg *conn_send_request(struct conn *conn); struct cwrmsg *conn_send_request(struct conn *conn);
struct cwrmsg *conn_wait_for_message(struct conn *conn, time_t timer); struct cwrmsg *conn_wait_for_message(struct conn *conn, time_t timer);
@ -205,4 +213,3 @@ void conn_init(struct conn * conn);
#endif /* __CONLIST_H */ #endif /* __CONLIST_H */

30
src/capwap/conn_get_message.c
View File

@ -16,25 +16,37 @@ struct args {
struct cwrmsg *cwrmsg; struct cwrmsg *cwrmsg;
}; };
static int pmessage(void *p, struct cwrmsg *cwrmsg) static int message_cb(void *p, uint8_t *rawmsg, int len)
{ {
struct args *args = (struct args *) p; struct args *args = (struct args *) p;
struct conn *conn = args->conn; struct conn *conn = args->conn;
memcpy(conn->cwrmsg_buffer, rawmsg, len);
/*
memcpy(&conn->cwrmsg, cwrmsg, sizeof(struct cwrmsg)); memcpy(&conn->cwrmsg, cwrmsg, sizeof(struct cwrmsg));
memcpy(conn->cwrmsg_buffer, cwrmsg->msgelems,
cwrmsg->msgelems_len);
conn->cwrmsg.msgelems = conn->cwrmsg_buffer; conn->cwrmsg.msgelems = conn->cwrmsg_buffer;
*/
args->cwrmsg = &conn->cwrmsg; args->cwrmsg = &conn->cwrmsg;
return 0; return 0;
} }
void conn_msg_processor(struct conn *conn)
{
uint8_t buf[2024];
int len = 2024;
int n = conn->read(conn, buf, len);
if (n > 0)
conn_process_packet(conn, buf, n, cw_process_msg, conn);
}
struct cwrmsg *conn_get_message(struct conn *conn)
uint8_t *conn_get_message(struct conn *conn)
{ {
struct args args; struct args args;
args.cwrmsg = 0; args.cwrmsg = 0;
@ -44,18 +56,20 @@ struct cwrmsg *conn_get_message(struct conn *conn)
int n = conn->read(conn, buf, len); int n = conn->read(conn, buf, len);
if (n > 0) if (n > 0)
conn_process_packet(conn, buf, n, pmessage, &args); conn_process_packet(conn, buf, n, message_cb, &args);
if (args.cwrmsg) { if (args.cwrmsg) {
cw_dbg(DBG_MSG,"Message recieved from %s",sock_addr2str(&conn->addr));
/*
cw_dbg(DBG_MSG, cw_dbg(DBG_MSG,
"Received message from %s, type=%d - %s, seq=%d", "Received message from %s, type=%d - %s, seq=%d",
sock_addr2str(&conn->addr), args.cwrmsg->type, sock_addr2str(&conn->addr), args.cwrmsg->type,
cw_msgtostr(args.cwrmsg->type), cw_msgtostr(args.cwrmsg->type),
args.cwrmsg->seqnum); args.cwrmsg->seqnum);
*/
} }
return args.cwrmsg; return conn->cwrmsg_buffer;
} }

4
src/capwap/conn_get_response.c
View File

@ -34,11 +34,11 @@ struct cwrmsg * conn_get_response(struct conn * conn)
if (conn->dtls_error) if (conn->dtls_error)
return 0; return 0;
} }
cw_dbg(DBG_CW_MSG_ERR,"Retransmitting message, type=%d,seq=%d",cwmsg->type,cwmsg->seqnum); cw_dbg(DBG_MSG_ERR,"Retransmitting message, type=%d,seq=%d",cwmsg->type,cwmsg->seqnum);
conn_send_cwmsg(conn,&conn->req_msg); conn_send_cwmsg(conn,&conn->req_msg);
} }
cw_dbg(DBG_CW_MSG_ERR,"Max retransmit's reached, message type=%d,seq=%d",cwmsg->type,cwmsg->seqnum); cw_dbg(DBG_MSG_ERR,"Max retransmit's reached, message type=%d,seq=%d",cwmsg->type,cwmsg->seqnum);
return 0; return 0;
} }

93
src/capwap/conn_process_packet.c
View File

@ -74,31 +74,38 @@ static int cwrmsg_init_ctrlhdr(struct conn * conn, struct cwrmsg * cwrmsg, uint8
} }
static int process_message(struct conn * conn,struct cwrmsg *cwrmsg,int (*cb)(void*,struct cwrmsg *),void *cbarg) static int process_message(struct conn * conn,uint8_t *rawmsg,int rawlen,int (*cb)(void*,uint8_t *,int),void *cbarg)
{ {
if (!(cwrmsg->type & 0x1)) { uint8_t *msgptr = rawmsg+cw_get_hdr_msg_offset(rawmsg);
uint32_t type = cw_get_msg_type(msgptr);
if (!(type & 0x1)) {
/* It's a response message, no further examination required. */ /* It's a response message, no further examination required. */
cb(cbarg,cwrmsg); cb(cbarg,rawmsg,rawlen);
return 0; return 0;
} }
/* It's a request message, check if seqnum is right and if /* It's a request message, check if seqnum is right and if
* we have already sent a response message*/ * we have already sent a response message*/
uint8_t seqnum = cw_get_msg_seqnum(msgptr);
int s1=conn->last_seqnum_received; int s1=conn->last_seqnum_received;
int s2=cwrmsg->seqnum; int s2=seqnum;
int sd=s2-s1; int sd=s2-s1;
if ((sd>0 && sd<128) || (sd<0 && sd<-128) || s1<0){ if ((sd>0 && sd<128) || (sd<0 && sd<-128) || s1<0){
/* seqnum is ok, normal message processing */ /* seqnum is ok, normal message processing */
conn->last_seqnum_received=cwrmsg->seqnum; conn->last_seqnum_received=seqnum;
cb(cbarg,cwrmsg); cb(cbarg,rawmsg,rawlen);
return 0; return 0;
} }
if (sd != 0) if (sd != 0)
{ {
cw_dbg(DBG_CW_MSG_ERR, cw_dbg(DBG_MSG_ERR,
"Discarding message from %s, old seqnum, seqnum = %d, last seqnum=%d", "Discarding message from %s, old seqnum, seqnum = %d, last seqnum=%d",
sock_addr2str(&conn->addr),s2,s1); sock_addr2str(&conn->addr),s2,s1);
@ -108,15 +115,15 @@ static int process_message(struct conn * conn,struct cwrmsg *cwrmsg,int (*cb)(vo
/* the received request message was retransmitte by our peer, /* the received request message was retransmitte by our peer,
* let's retransmit our response message if we have one*/ * let's retransmit our response message if we have one*/
cw_dbg(DBG_CW_MSG_ERR,"Retransmitted request message from %s detected, seqnum=%d, type=%d", cw_dbg(DBG_MSG_ERR,"Retransmitted request message from %s detected, seqnum=%d, type=%d",
sock_addr2str(&conn->addr),s2,cwrmsg->type); sock_addr2str(&conn->addr),s2,type);
if (conn->resp_msg.type-1 != cwrmsg->type ){ if (conn->resp_msg.type-1 != type ){
cw_dbg(DBG_CW_MSG_ERR,"No cached response for retransmission, request seqnum=%d,in cache=%d",s2,conn->resp_msg.type ); cw_dbg(DBG_MSG_ERR,"No cached response for retransmission, request seqnum=%d,in cache=%d",s2,conn->resp_msg.type );
return 0; return 0;
} }
cw_dbg(DBG_CW_MSG_ERR,"Retransmitting response message to %s, seqnum=%d", cw_dbg(DBG_MSG_ERR,"Retransmitting response message to %s, seqnum=%d",
sock_addr2str(&conn->addr),s2); sock_addr2str(&conn->addr),s2);
conn_send_cwmsg(conn,&conn->resp_msg); conn_send_cwmsg(conn,&conn->resp_msg);
return 1; return 1;
@ -154,72 +161,68 @@ static void cw_dbg_packet(struct conn * conn, uint8_t * packet, int len)
#endif #endif
void conn_process_packet(struct conn * conn, uint8_t *packet, int len,int (*cb)(void*,struct cwrmsg*),void *cbarg) void conn_process_packet(struct conn * conn, uint8_t *packet, int len,int (*cb)(void*,uint8_t *,int),void *cbarg)
{ {
if (len<8){ if (len<8){
/* packet too short */ /* packet too short */
cw_dbg(DBG_CW_PKT_ERR,"Discarding packet from %s, packet too short, len=%d",sock_addr2str(&conn->addr),len); cw_dbg(DBG_CW_PKT_ERR,"Discarding packet from %s, packet too short, len=%d",sock_addr2str(&conn->addr),len);
return; return;
} }
uint32_t val = ntohl(*((uint32_t*)packet)); int preamble = cw_get_hdr_preamble(packet);
int preamble = val >> 24;
if ( (preamble & 0xf0) != CW_VERSION){ if ( (preamble & 0xf0) != CW_VERSION){
/* wrong version */ /* wrong version */
cw_dbg(DBG_CW_PKT_ERR,"Discarding packet from %s, wrong version, version=%d",sock_addr2str(&conn->addr),(preamble&0xf0)>>8); cw_dbg(DBG_CW_PKT_ERR,"Discarding packet from %s, wrong version, version=%d",sock_addr2str(&conn->addr),(preamble&0xf0)>>8);
return; return;
} }
if (preamble & 0xf ) { if (preamble & 0xf ) {
/* decode dtls */ /* decode dtls */
return; return;
} }
/* log this packet */
cw_dbg_packet(conn,packet,len); cw_dbg_packet(conn,packet,len);
int hlen = 4*((val >> 19) & 0x1f); int offs = cw_get_hdr_msg_offset(packet);
int payloadlen = len - hlen; int payloadlen = len - offs;
if (payloadlen<0){ if (payloadlen<0){
cw_dbg(DBG_CW_PKT_ERR,"Discarding packet from %s, hlen greater than len, hlen=%d",sock_addr2str(&conn->addr),hlen); cw_dbg(DBG_CW_PKT_ERR,"Discarding packet from %s, header length greater than len, hlen=%d",sock_addr2str(&conn->addr),offs);
/* EINVAL */ /* EINVAL */
return; return;
} }
/*
struct cwrmsg cwrmsg; struct cwrmsg cwrmsg;
cwrmsg.wbid=(val>>9) & 0x1f; cwrmsg.wbid=(val>>9) & 0x1f;
cwrmsg.rid=(val>>14) & 0x1f; cwrmsg.rid=(val>>14) & 0x1f;
*/
printf ("Offs is %d RML is %d\n",offs,cw_get_hdr_rmac_len(packet));
/* Check Radio MAC if preset */
if (cw_get_hdr_flag_m(packet)){
if (val & CWTH_FLAGS_M){ if (cw_get_hdr_rmac_len(packet)+8>offs){
if (*(packet+8)+8>hlen){
/* wrong rmac size */ /* wrong rmac size */
cw_dbg(DBG_CW_PKT_ERR,"Discarding packet, wrong rmac size, size=%d",*(packet+8)); cw_dbg(DBG_CW_PKT_ERR,"Discarding packet, wrong R-MAC size, size=%d",*(packet+8));
return; return;
} }
memcpy(cwrmsg.rmac, packet+8,8); // memcpy(cwrmsg.rmac, packet+8,8);
}
else{
cwrmsg.rmac[0]=0;
} }
// else{
// cwrmsg.rmac[0]=0;
// }
if (val & CWTH_FLAGS_F){ /* fragmented */ if (cw_get_hdr_flag_f(packet)){ /* fragmented */
uint8_t * f; uint8_t * f;
f = fragman_add(conn->fragman, packet,hlen,payloadlen); f = fragman_add(conn->fragman, packet,offs,payloadlen);
if (f==NULL) if (f==NULL)
return; return;
@ -229,12 +232,17 @@ void conn_process_packet(struct conn * conn, uint8_t *packet, int len,int (*cb)(
extern int cw_process_msg(struct conn * conn,uint8_t*msg,int len); extern int cw_process_msg(struct conn * conn,uint8_t*msg,int len);
cw_process_msg(conn,f+4,*(uint32_t*)f); cw_process_msg(conn,f+4,*(uint32_t*)f);
printf("Received a fragmented packetm should process it");
exit(0);
/*
if (!cwrmsg_init_ctrlhdr(conn,&cwrmsg,f+4,*(uint32_t*)f)){ if (!cwrmsg_init_ctrlhdr(conn,&cwrmsg,f+4,*(uint32_t*)f)){
free(f); free(f);
return; return;
}; };
process_message(conn,&cwrmsg,cb,cbarg); */
process_message(conn,f+4,*(uint32_t*)f,cb,cbarg);
free (f); free (f);
return; return;
} }
@ -243,13 +251,14 @@ extern int cw_process_msg(struct conn * conn,uint8_t*msg,int len);
cw_process_msg(conn,packet,len); cw_process_msg(conn,packet,len);
if (!cwrmsg_init_ctrlhdr(conn,&cwrmsg,packet+hlen,len-hlen) ){ //if (!cwrmsg_init_ctrlhdr(conn,&cwrmsg,packet+hlen,len-hlen) ){
// cw_dbg(DBG_CW_PKT_ERR,"Discarding packet from %s, len=%d (too short)",sock_addr2str(&conn->addr)); // cw_dbg(DBG_CW_PKT_ERR,"Discarding packet from %s, len=%d (too short)",sock_addr2str(&conn->addr));
return; // return;
} //}
printf("Next big thing\n");
process_message(conn,&cwrmsg,cb,cbarg); //msg_4*((val >> 19) & 0x1f);
process_message(conn,packet,len,cb,cbarg);
return; return;
} }

4
src/capwap/conn_send_request.c
View File

@ -44,7 +44,7 @@ struct cwrmsg * conn_send_request(struct conn * conn)
time_t r_timer = cw_timer_start(conn->retransmit_interval); time_t r_timer = cw_timer_start(conn->retransmit_interval);
if (i!=0) if (i!=0)
cw_dbg(DBG_CW_MSG_ERR,"Retransmitting message, type=%d,seq=%d",cwmsg->type,cwmsg->seqnum); cw_dbg(DBG_MSG_ERR,"Retransmitting message, type=%d,seq=%d",cwmsg->type,cwmsg->seqnum);
conn_send_cwmsg(conn,&conn->req_msg); conn_send_cwmsg(conn,&conn->req_msg);
cwrmsg = conn_wait_for_message(conn,r_timer); cwrmsg = conn_wait_for_message(conn,r_timer);
@ -55,7 +55,7 @@ struct cwrmsg * conn_send_request(struct conn * conn)
} }
} }
cw_dbg(DBG_CW_MSG_ERR,"Max retransmit's reached, message type=%d,seq=%d",cwmsg->type,cwmsg->seqnum); cw_dbg(DBG_MSG_ERR,"Max retransmit's reached, message type=%d,seq=%d",cwmsg->type,cwmsg->seqnum);
return 0; return 0;
} }

13
src/capwap/cw_action.c
View File

@ -22,13 +22,20 @@ static inline int cw_action_cmp(const void *elem1,const void *elem2)
if (r!=0) if (r!=0)
return r; return r;
r = e1->vendor_id - e2->vendor_id;
if (r!=0)
return r;
return 0; return 0;
} }
/*
static void cw_action_del(void*d) static void cw_action_del(void*d)
{ {
free(d); free(d);
} }
*/
cw_action_t * cw_actionlist_add(cw_actionlist_t t, struct cw_action * a) cw_action_t * cw_actionlist_add(cw_actionlist_t t, struct cw_action * a)
{ {
@ -49,15 +56,15 @@ struct cw_action * cw_actionlist_get(cw_actionlist_t t,struct cw_action *a)
cw_actionlist_t cw_actionlist_create() cw_actionlist_t cw_actionlist_create()
{ {
return avltree_create(cw_action_cmp,cw_action_del); return avltree_create(cw_action_cmp,free); //cw_action_del);
} }
int cw_register_actions(cw_actionlist_t t,cw_action_t * actions) int cw_register_actions(cw_actionlist_t t,cw_action_t * actions)
{ {
while(actions->capwap_state){ while(actions->capwap_state){
cw_action_t *a = actions; // cw_action_t *a = actions;
printf("State: %d MSG_ID: %d ELEM_ID: %d\n",a->capwap_state,a->msg_id,a->elem_id); // printf("State: %d MSG_ID: %d ELEM_ID: %d\n",a->capwap_state,a->msg_id,a->elem_id);
cw_action_t * rc = cw_actionlist_add(t,actions); cw_action_t * rc = cw_actionlist_add(t,actions);
if (rc==0) if (rc==0)
return 0; return 0;

12
src/capwap/cw_action.h
View File

@ -6,16 +6,22 @@
#include <stdint.h> #include <stdint.h>
#include "avltree.h" #include "avltree.h"
#include "conn.h"
struct cw_action{ struct cw_action{
uint32_t vendor_id;
uint8_t proto;
uint8_t capwap_state; uint8_t capwap_state;
uint32_t msg_id; uint32_t msg_id;
uint16_t elem_id; uint16_t elem_id;
uint32_t vendor_id;
uint16_t vendor_elem_id;
int (*start)(struct conn *conn,struct cw_action *a,uint8_t*data,int len); int (*start)(struct conn *conn,struct cw_action *a,uint8_t*data,int len);
int (*end)(struct conn *conn,struct cw_action *a,uint8_t*data,int len); int (*end)(struct conn *conn,struct cw_action *a,uint8_t*elem,int len);
uint16_t min_len;
uint16_t max_len;
uint8_t capwap_state_next;
const char *name; const char *name;

6
src/capwap/cw_log.h
View File

@ -34,7 +34,6 @@
*/ */
#define DBG_MSG 0x00000001 /* Parsed CAPWAP/LWAPP messages */ #define DBG_MSG 0x00000001 /* Parsed CAPWAP/LWAPP messages */
#define DBG_MSG_ERR 0x00000001
#define DBG_ELEM 0x00000002 /* Parsed CAPWAP/LWAPP message elements */ #define DBG_ELEM 0x00000002 /* Parsed CAPWAP/LWAPP message elements */
#define DBG_ELEM_DMP 0x00000004 /* Dump CAPWAP message elements */ #define DBG_ELEM_DMP 0x00000004 /* Dump CAPWAP message elements */
@ -47,8 +46,9 @@
#define DBG_CW_PKT_DMP 0x00000080 /* Dump packts */ #define DBG_CW_PKT_DMP 0x00000080 /* Dump packts */
#define DBG_CW_PKT_DTL 0x00000100 #define DBG_CW_PKT_DTL 0x00000100
#define DBG_CW_PKT_ERR 0x00000200 #define DBG_CW_PKT_ERR 0x00000200
#define DBG_CW_MSG_ERR 0x00000400 /* Errors in CAPWAP messages */ #define DBG_MSG_ERR 0x00000400 /* Errors in CAPWAP messages */
#define DBG_CW_IMG_DTL 0x00000800 /* Detail about image transfer */ #define DBG_CW_IMG_DTL 0x00000800 /* Detail about image transfer */
#define DBG_ELEM_ERR 0x00001000
/* driver specific debugs */ /* driver specific debugs */
#define DBG_DRV 0x00010000 #define DBG_DRV 0x00010000
@ -69,7 +69,7 @@
#define DBG_DETAIL_ALL 0xffffffff #define DBG_DETAIL_ALL 0xffffffff
#define DBG_ERR (DBG_CW_MSG_ERR | DBG_CW_PKT_ERR) #define DBG_ERR (DBG_MSG_ERR | DBG_CW_PKT_ERR)
/**@}*/ /**@}*/

3
src/capwap/cw_log_str2dbglevel.c
View File

@ -35,8 +35,9 @@ struct cw_dbg_cfgstrs cw_dbg_cfgstrs[] = {
{"pkt",(DBG_CW_PKT_IN | DBG_CW_PKT_OUT)}, {"pkt",(DBG_CW_PKT_IN | DBG_CW_PKT_OUT)},
{"pkt_dmp",DBG_CW_PKT_DMP}, {"pkt_dmp",DBG_CW_PKT_DMP},
{"pkt_err",DBG_CW_PKT_ERR}, {"pkt_err",DBG_CW_PKT_ERR},
{"msg_err",DBG_CW_MSG_ERR}, {"msg_err",DBG_MSG_ERR},
{"img_dtl",DBG_CW_IMG_DTL}, {"img_dtl",DBG_CW_IMG_DTL},
{"elem_err",DBG_ELEM_ERR},
{"dtls",DBG_DTLS}, {"dtls",DBG_DTLS},
{"dtls_dietail",DBG_DTLS_DETAIL}, {"dtls_dietail",DBG_DTLS_DETAIL},

8
src/capwap/cw_msgtostr.c
View File

@ -45,9 +45,9 @@ const char * cw_msgtostr(int type)
case CW_MSG_CONFIGURATION_UPDATE_RESPONSE: case CW_MSG_CONFIGURATION_UPDATE_RESPONSE:
return "configuration update response"; return "configuration update response";
case CWMSG_WTP_EVENT_REQUEST: case CW_MSG_WTP_EVENT_REQUEST:
return "wtp event request"; return "wtp event request";
case CWMSG_WTP_EVENT_RESPONSE: case CW_MSG_WTP_EVENT_RESPONSE:
return "wtp event response"; return "wtp event response";
@ -83,9 +83,9 @@ const char * cw_msgtostr(int type)
Reset Request 17 Reset Request 17
Reset Response 18 Reset Response 18
*/ */
case CWMSG_PRIMARY_DISCOVERY_REQUEST: case CW_MSG_PRIMARY_DISCOVERY_REQUEST:
return "primary discovery request"; return "primary discovery request";
case CWMSG_PRIMARY_DISCOVERY_RESPONSE: case CW_MSG_PRIMARY_DISCOVERY_RESPONSE:
return "primary discovery response"; return "primary discovery response";
/* Data Transfer Request 21 /* Data Transfer Request 21

46
src/capwap/cw_process_msg.c
View File

@ -4,25 +4,61 @@
#include "conn.h" #include "conn.h"
#include "capwap.h" #include "capwap.h"
#include "sock.h"
#include "cw_action.h" #include "cw_action.h"
#include "cw_log.h"
int cw_process_msg(struct conn * conn,uint8_t * rawmsg,int len) int cw_process_msg(struct conn * conn,uint8_t * rawmsg,int len)
{ {
struct cw_action as,*af; struct cw_action as,*af;
uint8_t * msg_ptr = rawmsg+cw_get_hdr_msg_offset(rawmsg); uint8_t * msg_ptr = rawmsg+cw_get_hdr_msg_offset(rawmsg);
int elems_len = cw_get_msg_elems_len(msg_ptr);
/*
if (8+elems_len != len){
cw_dbg(DBG_MSG_ERR,"Discarding message from %s, msgelems len=%d, data len=%d, (strict capwap) ",
sock_addr2str(&conn->addr),elems_len,len-8);
if (conn_is_strict_capwap(conn)){
cw_dbg(DBG_MSG_ERR,"Discarding message from %s, msgelems len=%d, data len=%d, (strict capwap) ",
sock_addr2str(&conn->addr),elems_len,len-8);
return 0;
}
if (8+elems_len < len){
cw_dbg(DBG_CW_RFC,"Packet from from %s has %d bytes extra data.",
sock_addr2str(&conn->addr),len-8-elems_len);
elems_len=len-8;
}
if (8+elems_len > len){
cw_dbg(DBG_CW_RFC,"Packet from from %s hass msgelems len of %d bytes but has only %d bytes of data, truncating.",
sock_addr2str(&conn->addr),elems_len,len-8);
}
return 1;
}
*/
/* prepare struct for search operation */ /* prepare struct for search operation */
as.elem_id=-1; as.elem_id=-1;
as.capwap_state=conn->capwap_state; as.capwap_state=conn->capwap_state;
as.msg_id = cw_get_msg_id(msg_ptr); as.msg_id = cw_get_msg_id(msg_ptr);
as.vendor_id=0;
/* Search for state/message combination */ /* Search for state/message combination */
af = cw_actionlist_get(conn->msgtr,&as); af = cw_actionlist_get(conn->msgtr,&as);
/* Check if message is comes in right state */
if ( !af ){ if ( !af ){
printf("Error - Message not found: %d\n",as.msg_id); cw_dbg(DBG_MSG_ERR,"Message type %d (%s) not allowed in %s State.",
as.msg_id,cw_strmsg(as.msg_id),cw_strstate(as.capwap_state));
return 0; return 0;
} }
@ -31,7 +67,6 @@ int cw_process_msg(struct conn * conn,uint8_t * rawmsg,int len)
af->start(conn,af,rawmsg,len); af->start(conn,af,rawmsg,len);
} }
int elems_len = cw_get_msg_elems_len(msg_ptr);
uint8_t * elems_ptr = cw_get_msg_elems_ptr(msg_ptr); uint8_t * elems_ptr = cw_get_msg_elems_ptr(msg_ptr);
@ -43,6 +78,8 @@ int cw_process_msg(struct conn * conn,uint8_t * rawmsg,int len)
as.elem_id = cw_get_elem_id(elem); as.elem_id = cw_get_elem_id(elem);
int elem_len = cw_get_elem_len(elem); int elem_len = cw_get_elem_len(elem);
af = cw_actionlist_get(conn->msgtr,&as); af = cw_actionlist_get(conn->msgtr,&as);
if (!af) { if (!af) {
@ -51,6 +88,9 @@ int cw_process_msg(struct conn * conn,uint8_t * rawmsg,int len)
} }
printf("Elem OK: %d, %d\n",as.elem_id,elem_len); printf("Elem OK: %d, %d\n",as.elem_id,elem_len);
if (af->start) {
af->start(conn,af,cw_get_elem_data(elem),elem_len);
}
} }

2
src/capwap/cw_read_image_data_request.c
View File

@ -37,7 +37,7 @@ int cw_readelem_image_identifier(struct cwimage_data *data, int type,uint8_t *ms
data->vendor_id = ntohl(*((uint32_t*)msgelem)); data->vendor_id = ntohl(*((uint32_t*)msgelem));
if (len >= 1024) { if (len >= 1024) {
cw_dbg(DBG_CW_MSG_ERR,"Image identifier too long (>1024), truncating"); cw_dbg(DBG_MSG_ERR,"Image identifier too long (>1024), truncating");
len = 1024; len = 1024;
} }

2
src/capwap/cw_readelem_80211_wtp_radio_info.c
View File

@ -30,7 +30,7 @@ int cw_readelem_80211_wtp_radio_info(void *dst,int type,uint8_t *msgelem, int le
return 0; return 0;
if (len!=5){ if (len!=5){
cw_dbg(DBG_CW_MSG_ERR,"Discarding msgelem 80211_WTP_RADIO_INFO, wrong size, len=%d\n",len); cw_dbg(DBG_MSG_ERR,"Discarding msgelem 80211_WTP_RADIO_INFO, wrong size, len=%d\n",len);
return 0; return 0;
} }

2
src/capwap/cw_readelem_ac_name.c
View File

@ -28,7 +28,7 @@ int cw_readelem_ac_name(uint8_t **dst, int type,uint8_t *msgelem, int len)
if (len > 512 ) { if (len > 512 ) {
cw_dbg(DBG_CW_RFC,"AC name too long, max. 512 bytes allowed (RFC 5415)"); cw_dbg(DBG_CW_RFC,"AC name too long, max. 512 bytes allowed (RFC 5415)");
cw_dbg(DBG_CW_MSG_ERR,"AC name truncated to 512 bytes"); cw_dbg(DBG_MSG_ERR,"AC name truncated to 512 bytes");
len = 512; len = 512;
} }

2
src/capwap/lw_readelem_wtp_board_data.c
View File

@ -26,7 +26,7 @@ int lw_readelem_wtp_board_data(struct wtpinfo *wtpinfo, int type, uint8_t *msgel
return 0; return 0;
if ( len != 46 ) { if ( len != 46 ) {
cw_dbg(DBG_CW_MSG_ERR,"LWAPP msg size wrong. (WTP BOARD DATA) must be 46"); cw_dbg(DBG_MSG_ERR,"LWAPP msg size wrong. (WTP BOARD DATA) must be 46");
return -1; return -1;
} }

2
src/capwap/lw_readelem_wtp_name.c
View File

@ -42,7 +42,7 @@ int lw_readelem_wtp_name(uint8_t ** dst, int type, uint8_t * msgelem, int len)
if (len>254){ if (len>254){
cw_dbg(DBG_CW_MSG_ERR,"Truncating WTP_NAME msgelem to 254, wrong size, type=%d,len=%d",type,len); cw_dbg(DBG_MSG_ERR,"Truncating WTP_NAME msgelem to 254, wrong size, type=%d,len=%d",type,len);
len=254; len=254;
} }

2
src/capwap/wtpinfo_readelem_discovery_type.c
View File

@ -11,7 +11,7 @@ int wtpinfo_readelem_discovery_type(struct wtpinfo * wtpinfo, int type, uint8_t
return 0; return 0;
if (len!=1){ if (len!=1){
cw_dbg(DBG_CW_MSG_ERR,"Discarding WTP_DISCOVERY_TYPE msgelem, wrong size, type=%d,len=%d",type,len); cw_dbg(DBG_MSG_ERR,"Discarding WTP_DISCOVERY_TYPE msgelem, wrong size, type=%d,len=%d",type,len);
return 1; return 1;
} }

6
src/capwap/wtpinfo_readelem_wtp_descriptor.c
View File

@ -66,7 +66,7 @@ static int wtpinfo_readelem_wtp_descriptor_(struct wtpinfo * wtpinfo, int type,
do { do {
if (i+8>len) if (i+8>len)
{ {
cw_dbg(DBG_CW_MSG_ERR,"WTP descriptor subelement to long, length=%d>%d",i+8,len); cw_dbg(DBG_MSG_ERR,"WTP descriptor subelement to long, length=%d>%d",i+8,len);
return -1; return -1;
} }
@ -78,7 +78,7 @@ static int wtpinfo_readelem_wtp_descriptor_(struct wtpinfo * wtpinfo, int type,
i+=8; i+=8;
if (sublen+i>len){ if (sublen+i>len){
cw_dbg(DBG_CW_MSG_ERR,"WTP descriptor subelement too long, length = %d",sublen); cw_dbg(DBG_MSG_ERR,"WTP descriptor subelement too long, length = %d",sublen);
return -1; return -1;
} }
@ -102,7 +102,7 @@ static int wtpinfo_readelem_wtp_descriptor_(struct wtpinfo * wtpinfo, int type,
wtpinfo->bootloader_version_len=sublen; wtpinfo->bootloader_version_len=sublen;
break; break;
default: default:
cw_dbg(DBG_CW_MSG_ERR,"Unknown WTP descriptor subelement, type = %d",subtype); cw_dbg(DBG_MSG_ERR,"Unknown WTP descriptor subelement, type = %d",subtype);
break; break;
} }
i+=sublen; i+=sublen;

2
src/capwap/wtpinfo_readelem_wtp_frame_tunnel_mode.c
View File

@ -11,7 +11,7 @@ int wtpinfo_readelem_wtp_frame_tunnel_mode(struct wtpinfo * wtpinfo, int type, u
return 0; return 0;
if (len!=1){ if (len!=1){
cw_dbg(DBG_CW_MSG_ERR,"Discarding WTP_DISCOVERY_TYPE msgelem, wrong size, type=%d,len=%d",type,len); cw_dbg(DBG_MSG_ERR,"Discarding WTP_DISCOVERY_TYPE msgelem, wrong size, type=%d,len=%d",type,len);
return 1; return 1;
} }
wtpinfo->frame_tunnel_mode=*msgelem; wtpinfo->frame_tunnel_mode=*msgelem;

2
src/capwap/wtpinfo_readelem_wtp_mac_type.c
View File

@ -10,7 +10,7 @@ int wtpinfo_readelem_wtp_mac_type(struct wtpinfo * wtpinfo, int type, uint8_t *
return 0; return 0;
if (len!=1){ if (len!=1){
cw_dbg(DBG_CW_MSG_ERR,"Discarding WTP_MAC_TYPE msgelem, wrong size, type=%d,len=%d",type,len); cw_dbg(DBG_MSG_ERR,"Discarding WTP_MAC_TYPE msgelem, wrong size, type=%d,len=%d",type,len);
return 1; return 1;
} }

2
src/capwap/wtpinfo_readelem_wtp_name.c
View File

@ -12,7 +12,7 @@ int wtpinfo_readelem_wtp_name(struct wtpinfo * wtpinfo, int type, uint8_t * msge
return 0; return 0;
if (len>512){ if (len>512){
cw_dbg(DBG_CW_MSG_ERR,"Truncating WTP_NAME msgelem to 512, wrong size, type=%d,len=%d",type,len); cw_dbg(DBG_MSG_ERR,"Truncating WTP_NAME msgelem to 512, wrong size, type=%d,len=%d",type,len);
len=512; len=512;
} }

2
src/capwap/wtpinfo_readelem_wtp_radio_info.c
View File

@ -30,7 +30,7 @@ int wtpinfo_readelem_wtp_radio_info(struct wtpinfo * wtpinfo,int type,uint8_t *m
return 0; return 0;
if (len!=5){ if (len!=5){
cw_dbg(DBG_CW_MSG_ERR,"Discarding msgelem WTP_RADIO_INFO, wrong size, len=%d\n",len); cw_dbg(DBG_MSG_ERR,"Discarding msgelem WTP_RADIO_INFO, wrong size, len=%d\n",len);
return -1; return -1;
} }