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Improved mod detection, also for bindings. detections are cached.

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FossilOrigin-Name: bb2a4cd9c18aded4fa028aa8d385c811d7550a37ddaf3da17f90399315abf637
This commit is contained in:
7u83@mail.ru 2016-03-08 00:20:22 +00:00
parent 43401093ea
commit be07b0aa0a
12 changed files with 258 additions and 78 deletions
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4
src/cw/Makefile
View File

@ -195,7 +195,6 @@ DTLSOBJS+=dtls_bio.o
CONNOBJS= conn_create.o \
conn_process_packet.o \
conn_process_packet2.o \
conn_q_add_packet.o \
conn_q_get_packet.o \
conn_q_recv_packet.o \
@ -261,7 +260,8 @@ CWACTION=action.o \
radio.o \
cw_out_radio_info.o \
capwap_items.o \
item.o
item.o \
mod.o
# cw_process_msg.o \
# item_strings.o \

2
src/cw/capwap_items.c
View File

@ -117,7 +117,7 @@ struct cw_itemdef capwap_itemdefs[] = {
{CW_ITEM_AP_MODE_AND_TYPE,CW_ITEM_NONE,MBAG_WORD},
//{CW_ITEM_AP_MODE_AND_TYPE,CW_ITEM_NONE,MBAG_WORD},
/* Board Data */
{CW_ITEM_WTP_BOARD_DATA,CW_ITEM_NONE,MBAG_MBAG},

112
src/cw/conn_process_packet.c
View File

@ -31,6 +31,7 @@
#include "sock.h"
#include "stravltree.h"
#include "mod.h"
int conn_send_msg(struct conn *conn, uint8_t * rawmsg);
@ -152,6 +153,78 @@ static int check_len(struct conn *conn, struct cw_action_in *a, uint8_t * data,
return 1;
}
static struct mod_ac * detect_mod(struct conn *conn, uint8_t * rawmsg, int len,
int elems_len, struct sockaddr *from, int mode)
{
if (conn->mods) {
struct mod_ac **mods = (struct mod_ac **) conn->mods;
int i;
for (i = 0; mods[i]; i++) {
if (mods[i]->detect) {
if (mods[i]->
detect(conn, rawmsg, len, elems_len, from, mode)) {
return mods[i];
}
}
}
}
return MOD_NULL;
}
static struct cw_actiondef * load_mods(struct conn *conn, uint8_t * rawmsg, int len,
int elems_len, struct sockaddr *from)
{
struct mod_ac * cmod = detect_mod(conn, rawmsg, len, elems_len, from, MOD_DETECT_CAPWAP);
if (cmod == MOD_NULL) {
cw_dbg(DBG_MSG_ERR, "Cant't find mod to handle connection from %s , discarding message",
sock_addr2str_p(from));
return NULL;
}
struct mod_ac * bmod = detect_mod(conn, rawmsg, len, elems_len, from, MOD_DETECT_BINDINGS);
cw_dbg(DBG_INFO,"Mods deteced: %s,%s",cmod->name,bmod->name);
struct cw_actiondef * ad = mod_cache_add(cmod,bmod);
return ad;
/*
if (bindins_mod) {
cw_dbg(DBG_INFO, "Using mod '%s' to handle CAWPAP for %s", mod->name,
sock_addr2str_p(from));
conn->detected=1;
}
else{
// errno = EAGAIN;
// return -1;
}
mod = detect_mod(conn, rawmsg, len, elems_len, from, MOD_DETECT_BINDINGS);
if (mod) {
cw_dbg(DBG_INFO, "Using bindings '%s' to handle %s", mod->name,
sock_addr2str_p(from));
conn->detected=1;
}
else{
cw_dbg(DBG_MSG_ERR, "Cant't detect bindings ... for %s",
sock_addr2str_p(from));
}
return 0;
*/
}
static int process_elements(struct conn *conn, uint8_t * rawmsg, int len,
struct sockaddr *from)
@ -198,30 +271,14 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len,
if (!conn->detected) {
if (conn->mods) {
struct mod_ac **mods = (struct mod_ac **) conn->mods;
int i;
for (i = 0; mods[i]; i++) {
if (mods[i]->detect) {
if (mods[i]->detect(conn, rawmsg, len, elems_len, from)) {
cw_dbg(DBG_INFO,
"Using mod '%s' to handle connection from %s",
mods[i]->name,
sock_addr2str(from));
break;
//struct mod_ac *mod;
struct cw_actiondef * ad = load_mods(conn, rawmsg, len, elems_len, from);
if (!ad) {
cw_log(LOG_ERR,"Eror");
errno=EAGAIN;
return -1;
}
}
}
}
}
if (!conn->detected) {
cw_dbg(DBG_MSG_ERR, "Cant't detect capwap, discarding message from %s",
sock_addr2str(from));
// errno = EAGAIN;
// return -1;
conn->actions = ad;
}
@ -284,7 +341,7 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len,
/* Create an avltree to catch the found mandatory elements */
conn->mand = stravltree_create();
int unrecognized=0;
int unrecognized = 0;
/* iterate through message elements */
cw_foreach_elem(elem, elems_ptr, elems_len) {
@ -307,7 +364,7 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len,
continue;
}
if (!check_len(conn,af,cw_get_elem_data(elem), elem_len,from)){
if (!check_len(conn, af, cw_get_elem_data(elem), elem_len, from)) {
continue;
}
@ -336,8 +393,9 @@ static int process_elements(struct conn *conn, uint8_t * rawmsg, int len,
}
if (unrecognized){
cw_dbg(DBG_RFC,"Message has %d unrecognized message elements.",unrecognized);
if (unrecognized) {
cw_dbg(DBG_RFC, "Message has %d unrecognized message elements.",
unrecognized);
if (!result_code) {
result_code = CW_RESULT_UNRECOGNIZED_MESSAGE_ELEMENT;
}

87
src/cw/mod.c Normal file
View File

@ -0,0 +1,87 @@
#include <string.h>
#include "action.h"
#include "mavl.h"
#include "dbg.h"
struct cache_item
{
const char *capwap;
const char *bindings;
struct cw_actiondef actions;
};
static struct mavl * cache = NULL;
static int mod_null_register_actions(struct cw_actiondef *def)
{
return 0;
}
struct mod_ac mod_null={
.name="none",
.register_actions=mod_null_register_actions
};
int cmp(const void *p1, const void *p2)
{
struct cache_item * c1 = (struct cache_item *)p1;
struct cache_item * c2 = (struct cache_item *)p2;
int r;
r = strcmp(c1->capwap,c2->capwap);
if (r!=0)
return r;
return strcmp(c1->bindings,c2->bindings);
}
struct cw_actiondef * mod_cache_get(const char *capwap, const char *bindings)
{
return NULL;
}
struct cw_actiondef * mod_cache_add(struct mod_ac *c, struct mod_ac *b)
{
if (!cache){
cache = mavl_create(cmp,NULL);
if (!cache)
return NULL;
}
struct cache_item s;
s.capwap=c->name;
s.bindings=b->name;
struct cache_item * i = mavl_get(cache,&s);
if (i){
cw_dbg(DBG_INFO,"Using cached actions for %s,%s",c->name,b->name);
return &(i->actions);
}
i = malloc(sizeof(struct cache_item));
if (!i)
return NULL;
cw_dbg(DBG_INFO,"Loading actions for %s,%s",c->name,b->name);
memset (i,0,sizeof(struct cache_item));
if (c){
i->capwap=c->name;
c->register_actions(&(i->actions));
}
if (b){
i->bindings=b->name;
b->register_actions(&(i->actions));
}
mavl_add(cache,i);
return &(i->actions);
}

25
src/cw/mod.h
View File

@ -28,23 +28,30 @@
struct cw_actiondef;
struct mod_ac
{
#define MOD_MAXMODS 8
enum {
MOD_DETECT_CAPWAP,
MOD_DETECT_BINDINGS
};
struct mod_ac {
/** Name of the mod */
const char *name;
/** Initializion method */
int (*init)();
int (*init) ();
/** Detect capwap
This function ifter receiving and disassembling a complete
This function is called after receiving and disassembling a complete
CAPWAP message. Either on Discovery Request or Join Request
**/
int (*detect)(struct conn *conn,const uint8_t *rawmsg, int rawlen,int elems_len, struct sockaddr *from);
int (*detect) (struct conn * conn, const uint8_t * rawmsg, int rawlen,
int elems_len, struct sockaddr * from, int mode);
/** used for private data */
void *data;
/** Register actions */
int (*register_actions)(struct cw_actiondef *def);
int (*register_actions) (struct cw_actiondef * def);
};
@ -55,5 +62,11 @@ struct mod_ac
#define mod_wtp mod_ac
extern struct mod_ac mod_null;
#define MOD_NULL (&mod_null)
struct cw_actiondef * mod_cache_add(struct mod_ac *c, struct mod_ac *b);
#endif

12
src/mod/capwap/capwap_actions_ac.c
View File

@ -296,6 +296,18 @@ static cw_action_in_t actions_in[] = {
}
,
{
.capwap_state = CW_STATE_CONFIGURE,
.msg_id = CW_MSG_CONFIGURATION_STATUS_REQUEST,
.elem_id = CW_ELEM_RADIO_ADMINISTRATIVE_STATE,
.item_id = CW_ITEM_RADIO_ADMINISTRATIVE_STATE,
.start = cw_in_radio_administrative_state,
.mand = 1
}
,
/* End of list */

4
src/mod/capwap/capwap_actions_wtp.c
View File

@ -325,7 +325,7 @@ static cw_action_out_t actions_out[] = {
}
,
/* Radio Admin State - Config Status Request */
/* {
{
.msg_id = CW_MSG_CONFIGURATION_STATUS_REQUEST,
.item_id = CW_ITEM_RADIO_ADMINISTRATIVE_STATE,
.out = cw_out_radio_administrative_states,
@ -333,7 +333,7 @@ static cw_action_out_t actions_out[] = {
.mand = 1
}
,
*/

22
src/mod/capwap/mod_capwap_ac.c
View File

@ -17,30 +17,30 @@ extern int capwap_register_actions_ac(struct cw_actiondef *def);
static int init()
{
cw_dbg(DBG_INFO,"Initialiazing mod_capwap ...");
int rc = capwap_register_actions_ac(&actions);
cw_dbg(DBG_INFO,"Initialized mod capwap with %d actions",rc);
cw_dbg(DBG_INFO, "Initialiazing mod_capwap ...");
// int rc = capwap_register_actions_ac(&actions);
// cw_dbg(DBG_INFO, "Initialized mod capwap with %d actions", rc);
return 0;
}
static int detect(struct conn *conn,const uint8_t *rawmsg, int rawlen,int elems_len,struct sockaddr *from)
static int detect(struct conn *conn, const uint8_t * rawmsg, int rawlen, int elems_len,
struct sockaddr *from, int mode)
{
cw_log(LOG_INFO,"Detecting ...");
conn->detected=1;
conn->actions=&actions;
if (mode != MOD_DETECT_CAPWAP)
return 0;
return 1;
}
static struct mod_ac capwap_ac = {
.name ="capwap",
.name = "capwap",
.init = init,
.detect = detect,
.register_actions = capwap_register_actions_ac
};
struct mod_ac * mod_capwap_ac(){
struct mod_ac *mod_capwap_ac()
{
return &capwap_ac;
};

23
src/mod/capwap/mod_capwap_wtp.c
View File

@ -17,30 +17,33 @@ extern int capwap_register_actions_wtp(struct cw_actiondef *def);
static int init()
{
cw_dbg(DBG_INFO,"Initialiazing mod_capwap ...");
cw_dbg(DBG_INFO, "Initialiazing mod_capwap ...");
int rc = capwap_register_actions_wtp(&actions);
cw_dbg(DBG_INFO,"Initialized mod capwap with %d actions",rc);
cw_dbg(DBG_INFO, "Initialized mod capwap with %d actions", rc);
return 0;
}
static int detect(struct conn *conn,const uint8_t *rawmsg, int rawlen,int elems_len,struct sockaddr *from)
static int detect(struct conn *conn, const uint8_t * rawmsg, int rawlen, int elems_len,
struct sockaddr *from, int mode)
{
cw_log(LOG_INFO,"Detecting ...");
conn->detected=1;
conn->actions=&actions;
if (mode != MOD_DETECT_CAPWAP)
return 0;
cw_log(LOG_INFO, "Detecting ...");
conn->detected = 1;
conn->actions = &actions;
return 1;
}
static struct mod_wtp capwap_wtp = {
.name ="capwap",
.name = "capwap",
.init = init,
.detect = detect,
.register_actions = capwap_register_actions_wtp
};
struct mod_wtp * mod_capwap_wtp(){
struct mod_wtp *mod_capwap_wtp()
{
return &capwap_wtp;
};

3
src/mod/cipwap/mod_cipwap_ac.c
View File

@ -12,8 +12,9 @@ int cipwap_init()
}
static int detect(struct conn *conn,const uint8_t *rawmsg, int rawlen,int elems_len, struct sockaddr *from)
static int detect(struct conn *conn,const uint8_t *rawmsg, int rawlen,int elems_len, struct sockaddr *from, int mode)
{
cw_log(LOG_INFO,"Detecting ...");
return 0;
}

33
src/mod/cisco/mod_cisco_ac.c
View File

@ -19,22 +19,26 @@ extern int cisco_register_actions_ac(struct cw_actiondef *def);
static int init()
{
cw_dbg(DBG_INFO,"Initialiazing mod_cisco ...");
struct mod_ac * cmod = modload_ac("capwap");
cw_dbg(DBG_INFO, "Initialiazing mod_cisco ...");
struct mod_ac *cmod = modload_ac("capwap");
cmod->register_actions(&actions);
if (!cmod ){
cw_log(LOG_ERR,"Can't initzialize mod_cisco, failed to load bas mod mod_capwap");
if (!cmod) {
cw_log(LOG_ERR,
"Can't initzialize mod_cisco, failed to load base mod mod_capwap");
return 1;
}
int rc = cisco_register_actions_ac(&actions);
cw_dbg(DBG_INFO,"Initialized mod cisco with %d actions",rc);
cw_dbg(DBG_INFO, "Initialized mod cisco with %d actions", rc);
return 0;
}
static int detect(struct conn *conn,const uint8_t *rawmsg, int rawlen,int elems_len,struct sockaddr *from)
static int detect(struct conn *conn, const uint8_t * rawmsg, int rawlen, int elems_len,
struct sockaddr *from, int mode)
{
if (mode != MOD_DETECT_CAPWAP)
return 0;
int offset = cw_get_hdr_msg_offset(rawmsg);
const uint8_t *msg_ptr = rawmsg + offset;
@ -47,11 +51,10 @@ static int detect(struct conn *conn,const uint8_t *rawmsg, int rawlen,int elems_
* specific payload Cisco identifier */
cw_foreach_elem(elem, elems_ptr, elems_len) {
int id = cw_get_elem_id(elem);
if (id==CW_ELEM_VENDOR_SPECIFIC_PAYLOAD){
if (id == CW_ELEM_VENDOR_SPECIFIC_PAYLOAD) {
uint32_t vendor_id = cw_get_dword(cw_get_elem_data(elem));
if (vendor_id==CW_VENDOR_ID_CISCO){
conn->detected=1;
conn->actions=&actions;
if (vendor_id == CW_VENDOR_ID_CISCO) {
conn->actions = &actions;
return 1;
}
@ -64,13 +67,13 @@ static int detect(struct conn *conn,const uint8_t *rawmsg, int rawlen,int elems_
}
static struct mod_ac capwap_ac = {
.name ="cisco",
.name = "cisco",
.init = init,
.detect = detect
.detect = detect,
.register_actions = cisco_register_actions_ac
};
struct mod_ac * mod_cisco_ac(){
struct mod_ac *mod_cisco_ac()
{
return &capwap_ac;
};

7
src/wtp/configure.c
View File

@ -3,6 +3,7 @@
#include "cw/conn.h"
#include "cw/log.h"
#include "cw/mbag.h"
#include "cw/capwap_items.h"
#include "wtp_interface.h"
#include "cfg.h"
@ -14,9 +15,11 @@ int configure()
mbag_del_all(conn->incomming);
int rc = cw_send_request(conn, CW_MSG_CONFIGURATION_STATUS_REQUEST);
printf("Putting AC NAME\n");
mbag_set_str(conn->local,CW_ITEM_AC_NAME,"abc");
printf("Configure RC: %d\n",rc);
int rc = cw_send_request(conn, CW_MSG_CONFIGURATION_STATUS_REQUEST);
if (!cw_rcok(rc)) {
if (rc > 0) {