WTP can join w/o any memory leaks

This commit is contained in:
7u83 2022-08-15 16:31:26 +02:00
parent df5e2bcbb7
commit a051ba41de
17 changed files with 119 additions and 99 deletions

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@ -544,6 +544,17 @@ uint8_t cw_cfg_get_byte(cw_Cfg_t * cfg, char *key, uint8_t def)
return v.val.byte;
}
uint8_t cw_cfg_get_byte_l(cw_Cfg_t ** cfgs, char *key, uint8_t def)
{
struct cw_Val v;
memset(&v,0,sizeof(struct cw_Val));
const char *s = cw_cfg_get_l(cfgs,key,NULL);
if (s==NULL)
return def;
CW_TYPE_BYTE->from_str(&v,s);
return v.val.byte;
}
uint16_t cw_cfg_get_word(cw_Cfg_t * cfg, char *key, uint16_t def)

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@ -43,6 +43,7 @@ void cw_cfg_copy(cw_Cfg_t *src, cw_Cfg_t *dst);
void cw_cfg_destroy(cw_Cfg_t *cfg);
void cw_cfg_clear(cw_Cfg_t *cfg);
int cw_cfg_base_exists(cw_Cfg_t * cfg, const char *key);
uint8_t cw_cfg_get_byte_l(cw_Cfg_t ** cfgs, char *key, uint8_t def);

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@ -22,7 +22,7 @@
#include "msgset.h"
#include "mavltypes.h"
#include "dtls.h"
/**
@ -937,6 +937,7 @@ int cw_read_messages(struct cw_Conn *conn)
*/
void conn_destroy(struct cw_Conn * conn)
{
dtls_shutdown(conn);
if (conn->fragman)
fragman_destroy(conn->fragman);
if (conn->q)
@ -954,6 +955,8 @@ void conn_destroy(struct cw_Conn * conn)
if (conn->local_cfg)
cw_cfg_destroy(conn->local_cfg);
free(conn);
}

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@ -127,6 +127,11 @@ static int bread(cw_Cfg_t *cfg, const char * key, const uint8_t *src, int len, c
return rc;
}
static int bwrite(cw_Cfg_t ** cfgs, const char *key, uint8_t *dst, const void * param)
{
return cw_generic_write_l(cfgs,CW_TYPE_IPADDRESS,key,dst,param);
}
const struct cw_Type cw_type_ipaddress = {
@ -141,6 +146,7 @@ const struct cw_Type cw_type_ipaddress = {
get_type_name,
NULL,
bread,
bwrite,
};

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@ -31,6 +31,7 @@
#define dtls_connect dtls_openssl_connect
#define dtls_shutdown dtls_openssl_shutdown
#define dtls_get_cipher dtls_openssl_get_cipher
#define dtls_data_destroy dtls_openssl_data_destroy
#else
#include "dtls_gnutls.h"
#define dtls_init dtls_gnutls_init

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@ -207,11 +207,14 @@ void dtls_openssl_data_destroy(struct dtls_openssl_data * d){
if (!d)
return;
if (d->ctx)
SSL_CTX_free(d->ctx);
if (d->ssl)
SSL_free(d->ssl);
if (d->ctx)
SSL_CTX_free(d->ctx);
if (d->biomethod)
BIO_meth_free(d->biomethod);
free(d);

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@ -38,6 +38,7 @@ struct dtls_openssl_data{
SSL_CTX * ctx;
SSL * ssl;
BIO * bio;
BIO_METHOD * biomethod;
uint8_t buffer[4096];
int len;
int pos;
@ -78,6 +79,7 @@ extern int dtls_openssl_log_error_queue(const char *txt);
extern BIO_METHOD * dtls_openssl_bio_method();
extern int dtls_openssl_shutdown(struct cw_Conn *conn);
extern void dtls_openssl_data_destroy(struct dtls_openssl_data * d);
/**
* @}

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@ -49,12 +49,15 @@ dtls_openssl_connect(struct cw_Conn *conn)
dtls_openssl_data_create(conn, DTLS_client_method(),
biomethod);
cw_dbg(DBG_DTLS_BIO, "DTLS Connect call 2");
d = (struct dtls_openssl_data *) conn->dtls_data;
if (!d)
return 0;
d->biomethod = biomethod;
/*
if (conn->dtls_psk)
SSL_set_psk_client_callback(d->ssl, psk_client_cb);

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@ -7,20 +7,19 @@
#include "cw/cw.h"
#include "cw/dbg.h"
static int write_boarddata_subelem(uint8_t * dst, mavl_t ktv, const char * parent_key,
const char *skey, int type){
static int write_boarddata_subelem(uint8_t * dst, cw_Cfg_t ** cfg, const char * parent_key,
const char *skey, int type, void *param){
char key[256];
cw_Val_t * val;
uint8_t *d;
d=dst;
char key[CW_CFG_MAX_KEY_LEN];
int len;
sprintf(key,"%s/%s",parent_key,skey);
val = cw_ktv_get(ktv,key,CW_TYPE_BSTR16);
//val = cw_ktv_get(ktv,key,CW_TYPE_BSTR16);
len = cw_generic_write_l(cfg, CW_TYPE_BSTR16,key,
dst+4, param);
if (val == NULL) {
if (len==-1) {
cw_log(LOG_ERR,
"Creating WTP Board Data sub-element %d. Key not '%s' found",type,key);
return 0;
@ -28,11 +27,9 @@ static int write_boarddata_subelem(uint8_t * dst, mavl_t ktv, const char * paren
d += cw_put_word(d, type);
d += cw_put_word(d, val->type->len(val));
d += val->type->put(val,d);
return d-dst;
cw_set_word(dst, (uint16_t)type);
cw_set_word(dst+2,(uint16_t)len);
return len+4;
}
@ -40,35 +37,31 @@ static int write_boarddata_subelem(uint8_t * dst, mavl_t ktv, const char * paren
int capwap_out_wtp_board_data(struct cw_ElemHandler * eh,
struct cw_ElemHandlerParams * params, uint8_t * dst)
{
stop();
cw_Val_t * val;
mavl_t cfg;
int rc;
uint8_t * d;
char key[256];
int l;
d=dst+4;
cfg = params->cfg;
sprintf(key,"%s/%s",eh->key,CW_SKEY_VENDOR);
val = cw_ktv_get(cfg,key,CW_TYPE_DWORD);
rc = cw_generic_write_l(params->cfg_list, CW_TYPE_DWORD,key,
d, eh->param);
if (val ==NULL) {
if (rc==-1) {
cw_log(LOG_ERR,
"Creating WTP Board Data element. Key '%s' not found.", key);
return 0;
}
d += val->type->put(val,d);
/*cw_ktv_add(cfg,vendor_key,CW_TYPE_DWORD,data,len);*/
d += rc;
d+=write_boarddata_subelem(d,cfg,eh->key,"model-no",CW_BOARDDATA_MODELNO);
d+=write_boarddata_subelem(d,cfg,eh->key,"serial-no",CW_BOARDDATA_SERIALNO);
d+=write_boarddata_subelem(d,cfg,eh->key,"board-id",CW_BOARDDATA_BOARDID);
d+=write_boarddata_subelem(d,cfg,eh->key,"revision",CW_BOARDDATA_REVISION);
d+=write_boarddata_subelem(d,cfg,eh->key,"mac-address",CW_BOARDDATA_MACADDRESS);
d+=write_boarddata_subelem(d,params->cfg_list,eh->key,"model-no",CW_BOARDDATA_MODELNO,eh->param);
d+=write_boarddata_subelem(d,params->cfg_list,eh->key,"serial-no",CW_BOARDDATA_SERIALNO,eh->param);
d+=write_boarddata_subelem(d,params->cfg_list,eh->key,"board-id",CW_BOARDDATA_BOARDID,eh->param);
d+=write_boarddata_subelem(d,params->cfg_list,eh->key,"revision",CW_BOARDDATA_REVISION,eh->param);
d+=write_boarddata_subelem(d,params->cfg_list,eh->key,"mac-address",CW_BOARDDATA_MACADDRESS,eh->param);
l = d - dst-4;

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@ -8,8 +8,6 @@
static int cw_put_encryption_subelems(uint8_t *dst,int capwap_mode)
{
stop();
int n=2;
int i;
@ -33,27 +31,21 @@ int capwap_out_wtp_descriptor(struct cw_ElemHandler * eh,
int len,l;
/* // XXX Dummy WTP Descriptor Header */
uint8_t *d;
cw_Val_t * val;
int val;
d = dst+4;
sprintf(key,"%s/%s",eh->key,CW_SKEY_MAX_RADIOS);
val = cw_ktv_get(params->cfg,key, CW_TYPE_BYTE);
if (val != NULL)
d+=val->type->put(val,d);
else{
cw_dbg(DBG_WARN,"Cannot get value for %s, setting to 0", CW_SKEY_MAX_RADIOS);
val = cw_cfg_get_byte_l(params->cfg_list,key, 0);
d+=cw_put_byte(d,val);
if (val<=0){
cw_dbg(DBG_WARN,"Cannot value for %s, setting to 0", CW_SKEY_MAX_RADIOS);
d+=cw_put_byte(d,0);
}
sprintf(key,"%s/%s",eh->key,CW_SKEY_RADIOS_IN_USE);
val = cw_ktv_get(params->cfg,key, CW_TYPE_BYTE);
if (val != NULL){
d+=val->type->put(val,d);
}
else{
d+=cw_put_byte(d,0); /*radios in use*/
}
val = cw_cfg_get_byte_l(params->cfg_list,key, 0);
d+=cw_put_byte(d,val); /*radios in use*/
/* d+=cw_put_encryption_capabilities_7(d,1); */
/* d+=cw_put_encryption_subelems(d,params->conn->capwap_mode);*/
@ -80,6 +72,6 @@ int capwap_out_wtp_descriptor(struct cw_ElemHandler * eh,
len = d-dst-4;
l = len + cw_put_elem_hdr(dst,eh->id,len);
cw_dbg_elem(DBG_ELEM_OUT,NULL,params->msgdata->type,eh,dst,l);
// cw_dbg_elem(DBG_ELEM_OUT,NULL,params->msgdata->type,eh,dst,l);
return l;
}

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@ -866,7 +866,7 @@ static struct cw_ElemHandler handlers70[] = {
CW_TYPE_STRUCT, /* type */
"cisco/mwar-addr", /* Key */
cw_in_generic, /* get */
cw_out_generic_struct, /* put */
cw_out_generic, /* put */
NULL,
NULL,
mwar_addr
@ -2352,16 +2352,27 @@ static int postprocess_join_request(struct cw_ElemHandlerParams * params, uint8_
static int preprocess_join_request(struct cw_Conn *conn)
{
cw_Val_t * ver;
bstr16_t ver;
int use_ac_version;
char verstr[512];
if (conn->role != CW_ROLE_WTP)
return 0;
stop();
use_ac_version = cw_cfg_get_bool(conn->global_cfg,"cisco/wtp-use-ac-version",0);
if (use_ac_version){
ver = cw_cfg_get_bstr16(conn->remote_cfg,"ac-descriptor/software/version",NULL );
cw_cfg_set_bstr16(conn->local_cfg,"wtp-descriptor/software/version",ver);
cw_format_version(verstr,bstr16_data(ver),bstr16_len(ver));
cw_dbg(DBG_INFO, "Cisco WTP - Using AC's software version: %s", verstr);
free(ver);
}
// stop();
/*
use_ac_version = cw_ktv_get_bool(conn->local_cfg,"cisco/wtp-use-ac-version",0);
if (use_ac_version){
ver = cw_ktv_get(conn->remote_cfg,"ac-descriptor/software/version", CW_TYPE_BSTR16);

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@ -8,15 +8,18 @@
int cisco_out_capwap_local_ip_address(struct cw_ElemHandler * eh,
struct cw_ElemHandlerParams * params, uint8_t * dst)
{
stop();
cw_Val_t * ip;
ip = cw_ktv_get(params->cfg,eh->key,CW_TYPE_IPADDRESS);
if (ip==NULL){
const char * ipstr;
int rc;
cw_Val_t ip;
ipstr = cw_cfg_get_l(params->cfg_list,eh->key,NULL);
if (ipstr==NULL){
return 0;
}
return cw_put_local_ip_address(dst,eh->id,
CW_TYPE_IPADDRESS->from_str(&ip,ipstr);
rc= cw_put_local_ip_address(dst,eh->id,
CAPWAP_ELEM_WTP_IPV4_IP_ADDRESS,
CAPWAP_ELEM_WTP_IPV6_IP_ADDRESS,
ip->type->data(ip),ip->type->len(ip));
ip.type->data(&ip),ip.type->len(&ip));
ip.type->del(&ip);
return rc;
}

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@ -8,7 +8,6 @@ int cisco_out_wtp_descriptor(struct cw_ElemHandler * eh,
struct cw_ElemHandlerParams * params, uint8_t * dst)
{
char key[CW_CFG_MAX_KEY_LEN];
int len;
/* // XXX Dummy WTP Descriptor Header */

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@ -240,7 +240,6 @@ int static setup_cfg(struct cw_Conn * conn)
}
return 0;
}

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@ -110,7 +110,7 @@ static struct cw_DiscoveryResults * run_discovery(struct cw_Conn *conn)
//cw_select_ac(conn->local_cfg, dis);
mavliter_t it;
/* mavliter_t it;
mavliter_init(&it,results->list);
mavliter_foreach(&it){
const char * acname;
@ -119,7 +119,7 @@ static struct cw_DiscoveryResults * run_discovery(struct cw_Conn *conn)
printf("E: %s: %s - prio: %d, ctr: %d\n",acname,e->ip,e->prio,e->ctr);
}
*/
return results;
}

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@ -98,7 +98,7 @@ acinfo.result_code=99;
int run_join_d(struct cw_Conn * conn, struct sockaddr *sa)
static int run_join_d(struct cw_Conn * conn, struct sockaddr *sa,cw_Cfg_t * cfg)
{
char addrstr[SOCK_ADDR_BUFSIZE];
int sockfd;
@ -107,8 +107,8 @@ int run_join_d(struct cw_Conn * conn, struct sockaddr *sa)
int rc;
/* Check if we support the same auth methods as the AC */
lsec = cw_ktv_get_byte(conn->local_cfg,"ac-descriptor/security",0);
rsec = cw_ktv_get_byte(conn->remote_cfg,"ac-descriptor/security",0);
lsec = cw_cfg_get_byte(conn->global_cfg,"ac-descriptor/security",255);
rsec = cw_cfg_get_byte(cfg,"ac-descriptor/security",0);
if ((lsec & rsec) == 0){
cw_log(LOG_ERR, "Can't establish DTLS with AC, my sec: %d, remote sec %d",lsec,rsec);
return 0;
@ -154,8 +154,9 @@ int run_join_d(struct cw_Conn * conn, struct sockaddr *sa)
cw_dbg(DBG_DTLS, "DTLS Connection successful established with %s",
sock_addr2str(sa,addrstr));
conn->remote_cfg=cfg;
run_join(conn);
conn->remote_cfg=NULL;
return 1;
}
@ -199,8 +200,26 @@ int run_join(struct cw_Conn *conn)
return 1;
}
int join(struct cw_Conn * conn, struct cw_DiscoveryResults * dis)
int join(struct cw_Conn * conn, struct cw_DiscoveryResults * results)
{
int rc;
mavliter_t it;
mavliter_init(&it,results->list);
mavliter_foreach(&it){
struct sockaddr_storage sockaddr;
const char * acname;
struct cw_DiscoveryResults_elem *e = mavliter_get(&it);
acname = cw_cfg_get(e->cfg,"capwap/ac-name","<unknown>");
cw_dbg(DBG_INFO, "Going to join CAPWAP controller '%s' at %s.",acname,e->ip);
sock_strtoaddr(e->ip,(struct sockaddr*)(&sockaddr));
sock_setport((struct sockaddr*)&sockaddr,5246);
rc = run_join_d(conn,(struct sockaddr*)(&sockaddr),e->cfg);
if (rc)
return 1;
}
stop();
/*

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@ -182,43 +182,17 @@ int main (int argc, char **argv)
// cw_run_discovery(conn, "192.168.0.255","192.168.0.14", &dis);
results = cw_run_discovery(conn, "255.255.255.255","192.168.0.14");
// mavl_del_all(conn->remote_cfg);
join(conn,results);
cw_discovery_results_destroy(results);
rc = 0;
printf("Goto errx 0");
goto errX;
//cw_dbg_ktv_dump(dis.prio_ip, DBG_INFO, "=== IP list ===", "IP", "=== END IP List ===");
/*
{
mavliter_t i;
mavliter_init(&i, dis.prio_ip);
mavliter_foreach(&i) {
char ipstr[100];
char *rk;
cw_Val_t *val;
mavl_t cfg;
val = mavliter_get(&i);
rk = val->key;
val = val->val.ptr;
val->type->to_str(val, ipstr, 100);
printf("PTRVAL(%s): %s - %s\n", rk, val->key, ipstr);
cfg = cw_ktv_get_sysptr(dis.prio_ac,rk,NULL);
cw_dbg_ktv_dump(cfg,DBG_INFO,"----- dump of remote","dmp","endof of remote -------");
}
}
*/
mavl_del_all(conn->remote_cfg);
printf("JOIN\n");
// join(conn,&dis);
clean_cfg(conn->remote_cfg);
mavl_merge(conn->local_cfg,conn->remote_cfg);
// clean_cfg(conn->remote_cfg);
// mavl_merge(conn->local_cfg,conn->remote_cfg);
mavl_del_all(conn->remote_cfg);
printf("JOIN CONF\n");