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Work on data channel

This commit is contained in:
7u83 2022-09-06 09:16:10 +02:00
parent 1297c46a15
commit ec6809b552
14 changed files with 234 additions and 50 deletions
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2
src/ac/ac_main.c
View File

@ -509,7 +509,7 @@ void process_cw_data_packet (int index, struct sockaddr *addr, uint8_t * buffer,
dataman_list_unlock();
//dataman_add_packet (dm, buffer, len);
dataman_add_packet (dm, buffer, len);
return;

61
src/ac/dataman.c
View File

@ -5,10 +5,12 @@
#include "cw/timer.h"
#include "cw/cw.h"
#include "cw/format.h"
#include "cw/netconn.h"
#include "cw/conn.h"
#include "cw/log.h"
#include "cw/dbg.h"
#include "cw/file.h"
#include "cw/dot11.h"
#include "wtplist.h"
#include "dataman.h"
@ -19,8 +21,8 @@ pthread_mutex_t dataman_list_mutex;
static int cmp(const void *d1, const void *d2)
{
struct netconn *nc1 = ((struct dataman *) d1)->nc;
struct netconn *nc2 = ((struct dataman *) d1)->nc;
struct cw_Conn *nc1 = ((struct dataman *) d1)->nc;
struct cw_Conn *nc2 = ((struct dataman *) d1)->nc;
int r = nc1->sock - nc2->sock;
if (r != 0)
@ -52,7 +54,7 @@ void dataman_destroy(struct dataman *dm)
{
if (!dm)
return;
netconn_destroy(dm->nc);
conn_destroy(dm->nc);
}
struct dataman *dataman_create(int sock, struct sockaddr *addr)
@ -60,15 +62,15 @@ struct dataman *dataman_create(int sock, struct sockaddr *addr)
struct dataman *dm = malloc(sizeof(struct dataman));
if (!dm)
return NULL;
dm->nc = netconn_create(sock, addr, 100);
memset(dm,0,sizeof(struct dataman));
dm->nc = cw_conn_create(sock, addr, 100);
return dm;
}
struct dataman *dataman_list_get(int sock, struct sockaddr *addr)
{
struct netconn search_nc;
struct cw_Conn search_nc;
struct dataman search_dm;
search_nc.sock = sock;
@ -91,7 +93,7 @@ struct dataman *dataman_list_add(struct dataman *dm)
int dataman_process_keep_alive(struct netconn *nc, uint8_t *rawmsg, int len)
int dataman_process_keep_alive(struct cw_Conn *nc, uint8_t *rawmsg, int len)
{
struct dataman * dm = (struct dataman *)(nc->data);
@ -133,7 +135,7 @@ int dataman_process_keep_alive(struct netconn *nc, uint8_t *rawmsg, int len)
printf("len len %d\n",l);
printf("Total len = %d\n",total_len);
netconn_send_capwap_msg(nc,buffer,total_len);
cw_send_msg(nc,buffer,total_len);
return len;
@ -167,26 +169,47 @@ int dataman_process_keep_alive(struct netconn *nc, uint8_t *rawmsg, int len)
return -1;
}
int dataman_process_message0(struct netconn *nc, uint8_t * rawmsg, int len,
int dataman_process_message0(struct cw_Conn *nc, uint8_t * rawmsg, int len,
struct sockaddr *from)
{
static int c=0;
char fn[100];
sprintf(fn,"wificap-%03d",c++);
/// cw_save_file(fn,(char*)rawmsg,len);
/// cw_dbg(DBG_X,"saving %d bytes",len);
uint8_t * dot11frame = rawmsg + cw_get_hdr_msg_offset(rawmsg);
cw_dbg(DBG_X,"802.11 - %s",dot11_get_frame_name(dot11frame));
/* The very first data message MUST be a keep-alive message */
if (!cw_get_hdr_flag_k(rawmsg)){
cw_dbg(DBG_X,"No K Flag founde");
errno = EAGAIN;
return -1;
}
cw_dbg(DBG_X, "Goto Keep Alive Pack");
return dataman_process_keep_alive(nc,rawmsg,len);
}
int dataman_process_message(struct netconn *nc, uint8_t * rawmsg, int len,
int dataman_process_message(struct cw_Conn *nc, uint8_t * rawmsg, int len,
struct sockaddr *from)
{
if (cw_get_hdr_flag_k(rawmsg)){
return dataman_process_keep_alive(nc,rawmsg,len);
}
static int c=0;
char fn[100];
sprintf(fn,"wificap-%03d",c++);
cw_save_file(fn,(char*)rawmsg,len);
cw_dbg(DBG_X,"There was someting else than dataman");
return 1;
}
@ -195,12 +218,22 @@ void dataman_run(struct dataman *dm)
{
time_t timer = cw_timer_start(2);
dm->nc->process_packet=netconn_process_packet;
dm->nc->process_packet=conn_process_packet;
dm->nc->process_message=dataman_process_message0;
dm->nc->data = dm;
while (1){
time_t timer = cw_timer_start(2);
while (!cw_timer_timeout(timer)){
cw_read_messages(dm->nc);
}
}
while (!cw_timer_timeout(timer)){
netconn_read_messages(dm->nc);
cw_read_messages(dm->nc);
}
if (!dm->wtpman){
@ -215,7 +248,7 @@ void dataman_run(struct dataman *dm)
while (1){
time_t timer = cw_timer_start(2);
while (!cw_timer_timeout(timer)){
netconn_read_messages(dm->nc);
cw_read_messages(dm->nc);
}
}

5
src/ac/dataman.h
View File

@ -3,12 +3,11 @@
#include <pthread.h>
/*#include "cw/netconn.h"*/
#include "wtpman.h"
struct dataman {
struct netconn *nc;
struct cw_Conn *nc;
pthread_t thread;
struct wtpman * wtpman;
@ -28,6 +27,6 @@ extern pthread_mutex_t dataman_list_mutex;
#define dataman_list_lock() pthread_mutex_lock(&dataman_list_mutex)
#define dataman_list_unlock() pthread_mutex_unlock(&dataman_list_mutex)
#define dataman_add_packet(dm,data,len) (netconn_q_add_packet(dm->nc,data,len))
#define dataman_add_packet(dm,data,len) (conn_q_add_packet(dm->nc,data,len))
#endif

6
src/cw/cfg.c
View File

@ -665,7 +665,13 @@ int cw_cfg_get_bool(cw_Cfg_t * cfg, const char * key, int def)
return v.val.boolean;
}
/*
int cw_cfg_set_bool(cw_Cfg_t * cfg, const char * key, int val)
{
return cw_cfg_set(cfg,key,val ? "true":"false");
}
*/
uint8_t cw_cfg_get_byte(cw_Cfg_t * cfg, char *key, uint8_t def)
{
struct cw_Val v;

2
src/cw/cfg.h
View File

@ -92,6 +92,8 @@ int cw_cfg_get_first_index_l(cw_Cfg_t ** cfgs, const char *key, int n);
int cw_cfg_get_int(cw_Cfg_t * cfg, const char *key, int def);
int cw_cfg_write_to_file(FILE *f, cw_Cfg_t * cfg);
#define cw_cfg_set_bool(cfg,key,val) \
cw_cfg_set(cfg,key,(val) ? "true":"false")
int cw_cfg_set_val(cw_Cfg_t * cfg, const char *key, const struct cw_Type *t, const void * valguard, const uint8_t * data, int len);

14
src/cw/conn.c
View File

@ -765,24 +765,22 @@ int conn_process_packet2(struct cw_Conn *conn, uint8_t * packet, int len,
if (cw_get_hdr_flag_f(packet)) {
/* fragmented, add the packet to fragman */
uint8_t *f;
uint8_t *f,*fp;
int rc;
f = fragman_add(conn->fragman, packet, offs, payloadlen);
if (f == NULL) {
fp = fragman_add(conn->fragman, packet, offs, payloadlen);
if (fp == NULL) {
errno = EAGAIN;
return -1;
}
f =fp+MAX_PKT_HDR_LEN;
cw_dbg_pkt(DBG_PKT_IN, conn, f + 4, *(uint32_t *) f, from);
/*// cw_dbg_msg(DBG_MSG_IN, conn, f + 4, *(uint32_t *) f, from);*/
/* // XXX: Modify fragman to not throw away CAPWAP headers*/
cw_dbg_pkt(DBG_PKT_IN, conn, fp, *(uint32_t *) f+MAX_PKT_HDR_LEN, from);
rc = conn->process_message(conn, f + 4, *(uint32_t *) f, from);
free(f);
free(fp);
return rc;
}

38
src/cw/cw_type_bits.c
View File

@ -1,4 +1,6 @@
#include "val.h"
#include "cfg.h"
#include "dbg.h"
static int get_len(const struct cw_ValBit *bits)
{
@ -16,15 +18,28 @@ static int get_bit(const uint8_t * src,int pos, int len)
return src[b]&m ? 1:0;
}
static void set_bit(uint8_t * dst,int pos, int len,int val)
{
int b;
uint8_t m;
cw_dbg(DBG_X,"set bit val %d",val);
if (!val)
return;
b = len-1-pos/8;
m = 1<<(pos%8);
dst[b]|=m;
}
static int bread(cw_Cfg_t *cfg, const char * key, const uint8_t *src, int len, const void *param)
{
char skey[CW_CFG_MAX_KEY_LEN];
const struct cw_ValBit * bits=param;
int l,i;
l = get_len(bits);
for(i=0;bits[i].key!=NULL;i++){
int rc;
printf("%s: %d\n",bits[i].key,get_bit(src,bits[i].bit,l));
sprintf(skey,"%s/%s",key,bits[i].key);
cw_cfg_set_bool(cfg,skey,get_bit(src,bits[i].bit,l));
}
return 1;
}
@ -32,11 +47,26 @@ static int bread(cw_Cfg_t *cfg, const char * key, const uint8_t *src, int len, c
static int bwrite(cw_Cfg_t ** cfgs, const char *key, uint8_t *dst, const void * param)
{
return 0;
int l,i;
char skey[CW_CFG_MAX_KEY_LEN];
const struct cw_ValBit * bits=param;
l = get_len(bits);
memset(dst,0,l);
for(i=0;bits[i].key!=NULL;i++){
uint8_t val;
int rc;
val=0;
sprintf(skey,"%s/%s",key,bits[i].key);
rc = CW_TYPE_BOOL->write(cfgs, skey, &val, NULL);
if (rc<0)
val=0;
cw_dbg(DBG_X,"%s (rc: %d)",skey,rc);
set_bit(dst,bits[i].bit,l,val);
}
return l;
}
const struct cw_Type cw_type_bits = {
"Bits", /* name */
NULL, /* del */

22
src/cw/dot11.c
View File

@ -38,3 +38,25 @@ const char * dot11_type_strings[]=
"Probe Req",
"Probe Resp"
};
struct dot11_name{
uint8_t val;
const char * str;
};
struct cw_StrListElem dot11_names[]={
{DOT11_ASSOC_REQ, "Assoc Req"},
{DOT11_ASSOC_RESP, "Assoc Resp"},
{DOT11_REASSOC_REQ, "Reassoc Req"},
{DOT11_REASSOC_RESP, "Reassoc Resp"},
{DOT11_PROBE_REQ, "Probe Req"},
{DOT11_PROBE_RESP, "Probe Resp"},
{DOT11_TIMING_ADV, "Timing Adv"},
{DOT11_MGM_RES111, "MGMRES111"},
{DOT11_BEACON, "Beacon"},
{CW_STR_STOP,"Unknown"},
};

36
src/cw/dot11.h
View File

@ -20,6 +20,7 @@
#include <endian.h>
#endif
#include "strlist.h"
/**
* @defgroup DOT11_FRAME_TYPES Frame Types
@ -47,17 +48,17 @@
*
* @{
*/
#define DOT11_FC_ASSOC_REQ dot11_fc_mgm(0b0000)
#define DOT11_FC_ASSOC_RESP dot11_fc_mgm(0b0001)
#define DOT11_FC_REASSOC_REQ dot11_fc_mgm(0b0010)
#define DOT11_FC_REASSOC_RESP dot11_fc_mgm(0b0011)
#define DOT11_FC_PROBE_REQ dot11_fc_mgm(0b0100)
#define DOT11_FC_PROBE_RESP dot11_fc_mgm(0b0101)
#define DOT11_FC_TIMING_ADV dot11_fc_mgm(0b0110)
#define DOT11_FC_MGM_RES111 dot11_fc_mgm(0b0111)
#define DOT11_FC_BEACON dot11_fc_mgm(0b1000)
#define DOT11_ASSOC_REQ dot11_fc_mgm(0b0000)
#define DOT11_ASSOC_RESP dot11_fc_mgm(0b0001)
#define DOT11_REASSOC_REQ dot11_fc_mgm(0b0010)
#define DOT11_REASSOC_RESP dot11_fc_mgm(0b0011)
#define DOT11_PROBE_REQ dot11_fc_mgm(0b0100)
#define DOT11_PROBE_RESP dot11_fc_mgm(0b0101)
#define DOT11_TIMING_ADV dot11_fc_mgm(0b0110)
#define DOT11_MGM_RES111 dot11_fc_mgm(0b0111)
#define DOT11_BEACON dot11_fc_mgm(0b1000)
#define DOT11_FC_DATA dot11_fc_dta(0b0000)
#define DOT11_DATA dot11_fc_dta(0b0000)
/**
* @}
@ -125,9 +126,9 @@ extern const uint8_t dot11_tab_br[256];
#define dot11_get_byte(ptr) (*(ptr))
#define dot11_put_byte(ptr,b) (*(ptr) = b)
#define dot11_put_byte(ptr,b) (*(ptr) = b,1)
#define dot11_put_word(dst,v) ((*((uint16_t*)(dst))=htobe16(v)),2)
#define dot11_put_dword(dst,v) ((*((uint16_t*)(dst))=htobe16(v)),4)
#define dot11_put_dword(dst,v) ((*((uint32_t*)(dst))=htobe32(v)),4)
#define dot11_put_qword(dst,v) ((*((uint64_t*)(dst))=htobe64(v)),8)
@ -135,9 +136,11 @@ uint16_t dot11_get_word(uint8_t * ptr);
#define dot11_get_version(frame) ((frame[1])&0x03)
#define dot11_get_type(frame) (((frame[1])&0x0c) >> 2)
#define dot11_get_subtype(frame) (((frame[1])&0xf0) >> 4)
#define cw_dot11_get_version(frame) ( (frame)[1] & 0x03)
#define cw_dot11_get_type(frame) ( ((frame)[1] & 0x0c) >> 2)
#define cw_dot11_get_subtype(frame) ( (frame)[1] >> 4 )
/**
* Get Frame Control field
* @param frame
@ -235,6 +238,9 @@ extern uint8_t dot11_broadcast_address[6];
extern struct cw_StrListElem dot11_names[];
#define dot11_get_frame_name(data) cw_strlist_get_str(dot11_names,(data)[1])

28
src/mod/capwap/capwap_actions.c
View File

@ -85,7 +85,26 @@ static cw_ValValRange_t mac_types[]={
{0,0,NULL}
};
/*
struct cw_ValBit xx[] = {
{0,"ess"},
{1,"ibss"},
{2,"cf-pollable"},
{3,"cf-poll-request"},
{4,"privacy"},
{5,"short-preamble"},
{2,"pbcc"},
{3,"cf-poll-request"},
{2,NULL}
};
*/
struct cw_ValBit frame_tunnel_bits[] = {
{3,"native"},
{2,"802-3"},
{1,"local-bridging"},
{0,"reserved"},
{1, NULL}
};
static cw_ValStruct_t radio_admin_state[] = {
@ -151,10 +170,13 @@ static struct cw_ElemHandler handlers[] = {
CAPWAP_ELEM_WTP_FRAME_TUNNEL_MODE, /* Element ID */
0,0, /* Vendor / Proto */
1,1, /* min/max length */
CW_TYPE_BYTE, /* type */
CW_TYPE_BITS, /* type */
"capwap/wtp-frame-tunnel-mode", /* Key */
cw_in_generic, /* get */
cw_out_generic /* put */
cw_out_generic, /* put */
NULL,
NULL,
frame_tunnel_bits
}
,
{

24
src/mod/cisco/mod_cisco.c
View File

@ -48,6 +48,16 @@ int cisco_out_radio_info(struct cw_ElemHandler * handler, struct cw_ElemHandlerP
, uint8_t * dst);
struct cw_ValBit frame_tunnel_bits_draft7[] = {
{2,"native"},
{1,"802-3"},
{0,"local-bridging"},
{1, NULL}
};
static cw_ValValRange_t cfg_type[]={
{1,1,"1 - global"},
{2,2,"2 - custom"},
@ -957,6 +967,20 @@ static int cisco_data(struct cw_ElemHandler *eh,
*/
static struct cw_ElemHandler handlers70[] = {
{
"WTP Frame Tunnel Mode (Draft 7)", /* name */
CAPWAP_ELEM_WTP_FRAME_TUNNEL_MODE, /* Element ID */
0,0, /* Vendor / Proto */
1,1, /* min/max length */
CW_TYPE_BITS, /* type */
"capwap/wtp-frame-tunnel-mode", /* Key */
cw_in_generic, /* get */
cw_out_generic, /* put */
NULL,
NULL,
frame_tunnel_bits_draft7
}
,
{
"AC Name - (zero-length allowed)", /* name */

2
src/wtp/Makefile
View File

@ -7,7 +7,7 @@ LIBARCHDIR := $(LIBDIR)/$(KERNEL)/$(ARCH)
CFLAGS+=-I../ -DUSE_OPENSSL -I../../include
LDFLAGS+=-L$(LIBARCHDIR) -L/usr/local/lib
LIBS+=-lcw -lnettle -lssl -lcrypto -ldl -lpthread -lmavl
LIBS+=-lcw -lnettle -lssl -lcrypto -ldl -lpthread -lmavl
SOURCES=\
wtp_main.c\

3
src/wtp/dot11.h
View File

@ -322,6 +322,9 @@ struct beacon_data{
int dot11_get_beacon_data(struct apdata *ap,struct beacon_data *bd);
#define cw_dot11_get_version(frame) ( (frame)[1] & 3)
#define cw_dot11_get_type(frame) ( ( (frame)[1] & 0x0c) >> 2)
#define cw_dot11_get_subtype(frame) ( (frame)[1] >> 4)
#endif

41
src/wtp/wtp_main.c
View File

@ -3,7 +3,7 @@
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
\
#include "cw/val.h"
#include "cw/dbg.h"
@ -88,6 +88,40 @@ static int parse_args (int argc, char *argv[], struct bootcfg * bootcfg)
struct bootcfg bootcfg;
#include "cw/file.h"
#include <libwifi.h>
#include "cw/dot11.h"
int test()
{
int rc;
char *f;
size_t len;
f=cw_load_file("wificap-005",&len);
cw_dbg(DBG_X, "Loaded %d bytes",len);
// static int got_radiotap = 0;
// struct libwifi_frame frame = {0};
// rc = libwifi_get_wifi_frame(&frame, (unsigned char*)(f+16), len-16, got_radiotap);
// if (rc != 0) {
// printf("[!] Error getting libwifi_frame: %d\n", rc);
// }
// cw_dbg(DBG_X,"Frame CTL:%d,%d",frame.frame_control.type, frame.frame_control.subtype);
cw_dbg(DBG_X,"MY RESULT: Type %d, SubType %d",cw_dot11_get_type(f+16), cw_dot11_get_subtype(f+16));
cw_dbg(DBG_X,"FRAME: %s",dot11_get_frame_name(f+16+1));
free(f);
return 0;
}
int main (int argc, char **argv)
{
struct cw_Mod * mod;
@ -102,6 +136,7 @@ int main (int argc, char **argv)
const char *bind_addr, *disc_addr;
/*
{
@ -135,6 +170,10 @@ int main (int argc, char **argv)
bootcfg.nmods=2;
}
// test();
// stop();
/*
* set ths for production
* cw_dbg_set_level(DBG_X,0);