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drizzle_handle.c
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drizzle_handle.c
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#include <rain_common.h>
uint8_t ping_data_cmp[] = {
0x2a, 0x18, 0x7b, 0xf3, 0x64, 0x1e, 0xb4, 0xcb,
0x07, 0xed, 0x2d, 0x0a, 0x98, 0x1f, 0xc7, 0x48
};
int dz_pthread_mutex_lock(pthread_mutex_t *mutex){
int ret_mutex=0;
ret_mutex = pthread_mutex_lock(mutex);
if(ret_mutex < 0){
MM("## ERR: %s %s[:%d] ##\n",__FILE__,__func__,__LINE__);
}
return ret_mutex;
}
int dz_pthread_mutex_unlock(pthread_mutex_t *mutex){
int ret_mutex=0;
ret_mutex = pthread_mutex_unlock(mutex);
if(ret_mutex < 0){
MM("## ERR: %s %s[:%d] ##\n",__FILE__,__func__,__LINE__);
}
return ret_mutex;
}
int dz_pthread_mutex_destroy(pthread_mutex_t *mutex)
{
int ret_mutex = 0;
ret_mutex = pthread_mutex_destroy(mutex);
if(ret_mutex != 0){
MM("## ERR: EXIT %s %s[:%d] ret_mutex %d ##\n",__FILE__,__func__,__LINE__,ret_mutex);
ret_mutex = -1;
//exit(0);
}
return ret_mutex;
}
int TPT_sync_thd(struct pth_timer_data *p_t_d)
{
int ret = 0;
struct epoll_ptr_data *epd = NULL;
epd = (struct epoll_ptr_data *)p_t_d->ptr;
struct main_data *md = NULL;
md = (struct main_data *)epd->gl_var;
struct options *opt = NULL;
opt = md->opt;
struct user_data ct_ud;
struct user_data *ct_pud = NULL;
//struct user_data net_ud;
//struct user_data *net_pud = NULL;
struct packet_idx_tree_data *get_pitd=NULL;
struct packet_idx_tree_data tmp_pitd;
struct epoll_ptr_data *pipe_epd=NULL;
struct epoll_ptr_data *src_epd=NULL;
//struct epoll_ptr_data *net_epd=NULL;
bool packet_drop = false;
bool loop = true;
//unsigned long loop_count = 0;
//struct internal_header ih;
//int i=0;
int nfds = 0;
int event_count = 64;
struct epoll_event events[event_count];
md->loop_epoll = true;
while(md->loop_epoll){
loop = true;
//i = 0;
nfds = 0;
nfds = epoll_wait(epd->epoll_fd,events,event_count,1);
if(nfds > 0){
}else if(nfds < 0){
fprintf(stdout,"## %s %d %s ########-------------------------------------------------------------------------\n",__func__,__LINE__,strerror(errno));
}
while(loop){
loop = false;
packet_drop = false;
ct_pud = NULL;
get_pitd = NULL;
memset((char *)&tmp_pitd,0x00,sizeof(struct packet_idx_tree_data));
pthread_mutex_lock(&md->T_NPT_idx_mutex);
tmp_pitd.key = md->T_NPT_idx;
pthread_mutex_lock(&md->NPT_tree_mutex);
get_pitd = rb_find(md->NPT_idx_tree,(char *)&tmp_pitd);
pthread_mutex_unlock(&md->NPT_tree_mutex);
if(get_pitd != NULL){
pthread_mutex_lock(&get_pitd->pitd_mutex);
if(get_pitd->TPT_send_ok == SEND_OK){
if(opt->mode == SERVER){
ct_ud.key = get_pitd->src_fd;
pthread_mutex_lock(&opt->ct_tree_mutex);
ct_pud = rb_find(opt->ct_tree,(char *)&ct_ud);
pthread_mutex_unlock(&opt->ct_tree_mutex);
if(ct_pud != NULL && ct_pud->epd != NULL){
src_epd = ct_pud->epd;
pthread_mutex_lock(&src_epd->all_packet_cnt_mutex);
if(src_epd->all_packet_cnt <= 0){
}
pthread_mutex_unlock(&src_epd->all_packet_cnt_mutex);
}else{
packet_drop = true;
get_pitd->TPT_send_ok = SEND_OK_DONE;
}
}
if(get_pitd->packet_type == NETWORK_PACKET && packet_drop == false){
if(get_pitd->NPT_packet_status == PACKET_DROP || get_pitd->TPT_packet_status == PACKET_DROP){
packet_drop = true;
get_pitd->TPT_send_ok = SEND_OK_DONE;
}else if(get_pitd->TPT_packet_status == PACKET_SEND ){
pipe_epd = md->tun_epd;
pthread_mutex_lock(&pipe_epd->t_fdd->tun_w_mutex);
ret = tun_send(
pipe_epd->t_fdd->tun_wfd,
(char *)get_pitd->normal_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PDATA_HEADER,
get_pitd->normal_packet_data_len-A_INTERNAL_HEADER-B_OPENVPN_PDATA_HEADER
);
pthread_mutex_unlock(&pipe_epd->t_fdd->tun_w_mutex);
if(ret == 0){
}else{
MM("## ERR: %s %s[:%d] %s %d ##\n",__FILE__,__func__,__LINE__,epd->name,ret);
}
packet_drop = true;
get_pitd->TPT_send_ok = SEND_OK_DONE;
}
}
}else{
//printf("## %s %d ##\n",__func__,__LINE__);
}
pthread_mutex_unlock(&get_pitd->pitd_mutex);
pthread_mutex_unlock(&md->T_NPT_idx_mutex);
pthread_mutex_lock(&md->T_NPT_idx_mutex);
if(packet_drop == true){
pthread_mutex_lock(&md->NPT_tree_mutex);
char * ret_rb_delete = rb_delete(md->NPT_idx_tree,get_pitd,false,sizeof(struct packet_idx_tree_data));
if(ret_rb_delete != NULL)
{
dz_pthread_mutex_destroy(&get_pitd->pitd_mutex);
int mempool_idx = get_pitd->mempool_idx;
mempool_memset(md->pitd_mp,mempool_idx);
if(md->T_NPT_idx == 0){
md->T_NPT_idx = 1;
}else{
md->T_NPT_idx++;
}
if(opt->mode == SERVER){
if((ct_pud != NULL && ct_pud->epd == NULL) || (src_epd == NULL)){
pthread_mutex_lock(&opt->ct_tree_mutex);
if(ct_pud != NULL){
rb_delete(opt->ct_tree,ct_pud,true,sizeof(struct user_data));
}
pthread_mutex_unlock(&opt->ct_tree_mutex);
}else if(src_epd != NULL){
pthread_mutex_lock(&src_epd->all_packet_cnt_mutex);
src_epd->all_packet_cnt--;
pthread_mutex_unlock(&src_epd->all_packet_cnt_mutex);
}
}
pthread_mutex_lock(&md->T_nis->nis_mutex);
md->T_nis->pps++;
pthread_mutex_unlock(&md->T_nis->nis_mutex);
struct timeval now_tv;
gettimeofday(&now_tv,NULL);
md->T_NPT_last_mil = ((now_tv.tv_sec*1000) + (now_tv.tv_usec/1000));
}
loop = true;
pthread_mutex_unlock(&md->NPT_tree_mutex);
}
pthread_mutex_unlock(&md->T_NPT_idx_mutex);
}else{
pthread_mutex_unlock(&md->T_NPT_idx_mutex);
}
}
}
printf("## %s %d ##\n",__func__,__LINE__);
return ret;
}
int NPT_sync_thd(struct pth_timer_data *p_t_d)
{
int ret = 0;
struct epoll_ptr_data *epd = NULL;
epd = (struct epoll_ptr_data *)p_t_d->ptr;
struct main_data *md = NULL;
md = (struct main_data *)epd->gl_var;
struct options *opt = NULL;
opt = md->opt;
struct epoll_ptr_data *pipe_epd=NULL;
//struct epoll_ptr_data *net_epd=NULL;
struct user_data ct_ud;
struct user_data *ct_pud = NULL;
//struct user_data net_ud;
//struct user_data *net_pud = NULL;
struct packet_idx_tree_data *get_pitd=NULL;
struct packet_idx_tree_data tmp_pitd;
//unsigned long data_send_idx = 0;
bool loop = true;
bool gitd_delete = false;
//unsigned long rb_count = 0;
get_pitd = NULL;
//struct internal_header ih;
//int i=0;
int nfds = 0;
int event_count = 64;
struct epoll_event events[event_count];
md->loop_epoll = true;
while(md->loop_epoll){
loop = true;
//i = 0;
nfds = epoll_wait(epd->epoll_fd,events,event_count,1);
if(nfds > 0){
}else if(nfds < 0){
fprintf(stdout,"## %s %d %s ########-------------------------------------------------------------------------\n",__func__,__LINE__,strerror(errno));
}
while(loop){
loop = false;
get_pitd = NULL;
gitd_delete = false;
memset((char *)&tmp_pitd,0x00,sizeof(struct packet_idx_tree_data));
pthread_mutex_lock(&md->T_TPT_idx_mutex);
tmp_pitd.key = md->T_TPT_idx;
pthread_mutex_lock(&md->TPT_tree_mutex);
get_pitd = rb_find(md->TPT_idx_tree,(char *)&tmp_pitd);
pthread_mutex_unlock(&md->TPT_tree_mutex);
if(get_pitd != NULL){
pthread_mutex_lock(&get_pitd->pitd_mutex);
if(get_pitd->NPT_send_ok == SEND_OK){
if(get_pitd->packet_type == TUN_PACKET){
if(get_pitd->NPT_packet_status == PACKET_DROP || get_pitd->TPT_packet_status == PACKET_DROP){
gitd_delete = true;
get_pitd->NPT_send_ok = SEND_OK_DONE;
}else if(get_pitd->NPT_packet_status == PACKET_F_SEND && get_pitd->encrypt_packet_data_len > 0){
if(opt->mode == SERVER){
ct_ud.key = get_pitd->dst_fd;
pthread_mutex_lock(&opt->ct_tree_mutex);
ct_pud = rb_find(opt->ct_tree,(char *)&ct_ud);
pthread_mutex_unlock(&opt->ct_tree_mutex);
if(ct_pud != NULL){
pipe_epd = ct_pud->epd;
}else{
pipe_epd = NULL;
gitd_delete = true;
get_pitd->NPT_send_ok = SEND_OK_DONE;
}
}else{
pipe_epd = md->net_epd;
}
if(pipe_epd != NULL && pipe_epd->n_fdd != NULL){
pthread_mutex_lock(&pipe_epd->n_fdd->net_w_mutex);
ret = tcp_send(
pipe_epd->n_fdd->net_wfd,
(char *)get_pitd->encrypt_packet_data+A_INTERNAL_HEADER,
get_pitd->encrypt_packet_data_len-A_INTERNAL_HEADER
);
pthread_mutex_unlock(&pipe_epd->n_fdd->net_w_mutex);
if(ret == 0){
}else if( ret < 0){
ret = 0;
}
gitd_delete = true;
get_pitd->NPT_send_ok = SEND_OK_DONE;
}
}
}
}else{
printf("## %s %d ##\n",__func__,__LINE__);
}
pthread_mutex_unlock(&get_pitd->pitd_mutex);
pthread_mutex_unlock(&md->T_TPT_idx_mutex);
pthread_mutex_lock(&md->T_TPT_idx_mutex);
if(gitd_delete == true){
pthread_mutex_lock(&md->TPT_tree_mutex);
char * ret_rb_delete = rb_delete(md->TPT_idx_tree,get_pitd,false,0);
if(ret_rb_delete != NULL)
{
unsigned int mempool_idx = get_pitd->mempool_idx;
mempool_memset(md->pitd_mp,mempool_idx);
if(md->T_TPT_idx == 0){
md->T_TPT_idx = 1;
}else{
md->T_TPT_idx++;
}
pthread_mutex_lock(&md->N_nis->nis_mutex);
md->N_nis->pps++;
pthread_mutex_unlock(&md->N_nis->nis_mutex);
struct timeval now_tv;
gettimeofday(&now_tv,NULL);
md->T_TPT_last_mil = ((now_tv.tv_sec*1000) + (now_tv.tv_usec/1000));
}
pthread_mutex_unlock(&md->TPT_tree_mutex);
loop = true;
}
pthread_mutex_unlock(&md->T_TPT_idx_mutex);
}else{
pthread_mutex_unlock(&md->T_TPT_idx_mutex);
}
}
}
printf("## %s %d ##\n",__func__,__LINE__);
return ret;
}
int TPT_sync_handle(struct epoll_ptr_data *epd,unsigned int idx){
if(epd){}
if(idx){}
int ret = 0;
return ret;
}
int NPT_sync_handle(struct epoll_ptr_data *epd,unsigned int idx){
int ret = 0;
unsigned long data_send_idx = 0;
//unsigned long net_idx = 0;
//bool loop = true;
struct epoll_ptr_data *pipe_epd=NULL;
//struct epoll_ptr_data *net_epd=NULL;
struct main_data *md = NULL;
struct options *opt = NULL;
md = (struct main_data *)epd->gl_var;
opt = md->opt;
struct user_data ct_ud;
struct user_data *ct_pud = NULL;
//struct user_data net_ud;
//struct user_data *net_pud = NULL;
struct packet_idx_tree_data *get_pitd=NULL;
struct packet_idx_tree_data tmp_pitd;
//bool gitd_delete = false;
//unsigned long rb_count = 0;
struct internal_header tmp_ih;
memset((char *)&tmp_ih,0x00,sizeof(struct internal_header));
//int send_count = 0;
tmp_pitd.key = idx;
pthread_mutex_lock(&md->TPT_tree_mutex);
get_pitd = rb_find(md->TPT_idx_tree,(char *)&tmp_pitd);
pthread_mutex_unlock(&md->TPT_tree_mutex);
if(get_pitd != NULL){
pthread_mutex_lock(&get_pitd->pitd_mutex);
{
if(get_pitd->encrypt_packet_data_len == 0){
if(get_pitd->NPT_packet_status == PACKET_SEND){
if(epd->thd_mode == THREAD_PIPE_IN_OUT){
if(opt->mode == SERVER){
ct_ud.key = get_pitd->dst_fd;
pthread_mutex_lock(&opt->ct_tree_mutex);
ct_pud = rb_find(opt->ct_tree,(char *)&ct_ud);
pthread_mutex_unlock(&opt->ct_tree_mutex);
if(ct_pud != NULL){
pipe_epd = ct_pud->epd;
}else{
pipe_epd = NULL;
get_pitd->NPT_packet_status = PACKET_DROP;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->NPT_send_ok = SEND_OK;
}
}else{
pipe_epd = md->net_epd;
}
if(pipe_epd != NULL && pipe_epd->stop != 1){
if(get_pitd->NPT_packet_status != PACKET_DROP && get_pitd->TPT_packet_status != PACKET_DROP){
int data_ret=0;
uint8_t op_key=0;
int keyid = 0;
if(pipe_epd->ss != NULL){
keyid = pipe_epd->ss->keyid;
data_send_idx = htonl(get_pitd->data_send_idx);
memcpy(get_pitd->normal_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE,(char *)&data_send_idx,B_OPENVPN_PACKET_IDX);
data_ret = data_encrypt(pipe_epd,
(char *)get_pitd->normal_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE,
get_pitd->normal_packet_data_len-A_INTERNAL_HEADER-B_OPENVPN_PKT_SIZE-B_OPENVPN_KEYID_OPCODE,
(char *)get_pitd->encrypt_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE,
keyid,
epd->idx
);
if(data_ret == 0){
MM("##ERR: %s %s[:%d] %s##\n",__FILE__,__func__,__LINE__,epd->name);
exit(0);
}
if(data_ret > 0){
op_key = (keyid | (P_DATA_V1 << P_OPCODE_SHIFT));
memcpy(get_pitd->encrypt_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE,(char *)&op_key,B_OPENVPN_KEYID_OPCODE);
get_pitd->encrypt_packet_data_len = data_ret + A_INTERNAL_HEADER + B_OPENVPN_PKT_SIZE + B_OPENVPN_KEYID_OPCODE;
data_ret = htons(data_ret + B_OPENVPN_KEYID_OPCODE);
memcpy(get_pitd->encrypt_packet_data+A_INTERNAL_HEADER,(char *)&data_ret,B_OPENVPN_PKT_SIZE);
if(data_ret == 0 || data_ret-B_OPENVPN_KEYID_OPCODE == 0){
MM("##ERR: %s %s[:%d] %s##\n",__FILE__,__func__,__LINE__,epd->name);
exit(0);
}
get_pitd->NPT_packet_status = PACKET_F_SEND;
}else{
MM("##ERR: %s %s[:%d] %s##\n",__FILE__,__func__,__LINE__,epd->name);
}
}else{
get_pitd->NPT_packet_status = PACKET_DROP;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->NPT_send_ok = SEND_OK;
}
}
}else{
get_pitd->NPT_packet_status = PACKET_DROP;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->NPT_send_ok = SEND_OK;
}
}
}
}else{
MM("##ERR: %s %s[:%d] %s idx %d ##\n",__FILE__,__func__,__LINE__,epd->name,idx);
}
}
pthread_mutex_unlock(&get_pitd->pitd_mutex);
}else{
//MM("##ERR: %s %s[:%d] %s idx %lld ##\n",__FILE__,__func__,__LINE__,epd->name,idx);
//exit(0);
}
return ret;
}
int tun_FD_recv_handle(struct epoll_ptr_data *epd)
{
int ret = 0;
int recv_len = 0;
int ret_in_out=0;
//uint32_t packet_idx = 0;
struct main_data *md = NULL;
struct options *opt = NULL;
struct internal_header *ih=NULL;
struct packet_idx_tree_data *pitd=NULL;
struct epoll_ptr_data *pipe_epd=NULL;
md = (struct main_data *)epd->gl_var;
opt = md->opt;
int tun_type=0;
char * rb_i_ret = NULL;
tun_type = dev_type_enum (opt->dev, opt->dev_type);
struct mempool_data * mpd = mempool_get(md->pitd_mp);
if(mpd == NULL){
MM("## ERR: %s %d ##\n",__func__,__LINE__);
exit(0);
}
pitd = (struct packet_idx_tree_data *)mpd->data;
memset(pitd,0x00,sizeof(struct packet_idx_tree_data));
pitd->mempool_idx = mpd->key;
pthread_mutex_init(&pitd->pitd_mutex,NULL);
recv_len = tun_rev(epd->t_fdd->tun_rfd,(char *)pitd->normal_packet_data+B_OPENVPN_PDATA_HEADER+A_INTERNAL_HEADER,sizeof(pitd->normal_packet_data));
if(recv_len <=0){
MM("## ERR: %s %s[:%d] %s ##\n",__FILE__,__func__,__LINE__,epd->name);
dz_pthread_mutex_destroy(&pitd->pitd_mutex);
mempool_memset(md->pitd_mp,pitd->mempool_idx);
ret = -1;
}else{
struct timeval tv;
gettimeofday(&tv,NULL);
pitd->recv_mil = ((tv.tv_sec*1000) + (tv.tv_usec/1000));
pitd->normal_packet_data_len = recv_len+A_INTERNAL_HEADER+B_OPENVPN_PDATA_HEADER;
ih = (struct internal_header *)pitd->normal_packet_data;
ih->size = htons(recv_len + A_INTERNAL_HEADER + B_OPENVPN_PDATA_HEADER);
ih->fd = htons(epd->t_fdd->tun_rfd);
ih->packet_type = htonl(TUN_PACKET);
if(tun_type == DEV_TYPE_TUN){
ret_in_out = tunfd_route_tun_in_out(epd,pitd,ih);
}else if(tun_type == DEV_TYPE_TAP){
ret_in_out = tunfd_route_tap_in_out(epd,pitd,ih);
}
if(ret_in_out > 0){
mpd->pkt_type = DATA_PKT;
mpd->recv_mil = pitd->recv_mil;
ih->packet_idx = htonl(pitd->key);
pitd->src_fd = epd->t_fdd->tun_rfd;
pitd->packet_type = TUN_PACKET;
pitd->TPT_send_ok = SEND_OK;
pitd->TPT_packet_status = PACKET_SEND;
pthread_mutex_lock(&md->TPT_tree_mutex);
rb_i_ret = rb_insert(md->TPT_idx_tree,pitd);
if(rb_i_ret == NULL){
printf("## ERR; exit %s %d #######################\n",__func__,__LINE__);
exit(0);
}
pthread_mutex_unlock(&md->TPT_tree_mutex);
pthread_mutex_lock(&md->work_in_out_mutex);
if(md->in_out_idx == opt->core){
md->in_out_idx = 0;
}
pipe_epd = md->work_in_out_epd[md->in_out_idx];
md->in_out_idx++;
pthread_mutex_unlock(&md->work_in_out_mutex);
ret = pipe_SEND_handle(pipe_epd,(char *)ih,A_INTERNAL_HEADER);
if(ret < 0){
MM("## ERR: %s %s[:%d] %s RET: %d ##\n",__FILE__,__func__,__LINE__,epd->name,ret);
}
}else{
dz_pthread_mutex_destroy(&pitd->pitd_mutex);
mempool_memset(md->pitd_mp,pitd->mempool_idx);
ret = -1;
}
}
return ret;
}
int net_FD_recv_handle(struct epoll_ptr_data *epd)
{
int ret = 0;
int recv_len = 0;
uint16_t p_len = 0;
uint32_t packet_idx = 0;
struct main_data *md = NULL;
struct options *opt = NULL;
struct internal_header *ih=NULL;
struct packet_idx_tree_data *pitd=NULL;
struct epoll_ptr_data *pipe_epd=NULL;
char * rb_i_ret = NULL;
md = (struct main_data *)epd->gl_var;
opt = md->opt;
pthread_mutex_lock(&epd->n_fdd->net_r_mutex);
recv_len = tcp_rev(epd->n_fdd->net_rfd,(char *)&p_len,sizeof(p_len));
pthread_mutex_unlock(&epd->n_fdd->net_r_mutex);
if(recv_len <=0){
MM("## ERR: %s %s[:%d] %s ##\n",__FILE__,__func__,__LINE__,epd->name);
ret = -1;
}else{
if(p_len > 0){
struct mempool_data * mpd = mempool_get(md->pitd_mp);
if(mpd == NULL){
MM("## ERR: %s %d ##\n",__func__,__LINE__);
exit(0);
}
pitd = (struct packet_idx_tree_data *)mpd->data;
memset(pitd,0x00,sizeof(struct packet_idx_tree_data));
pitd->mempool_idx = mpd->key;
pthread_mutex_init(&pitd->pitd_mutex,NULL);
memcpy(pitd->encrypt_packet_data+A_INTERNAL_HEADER,(char *)&p_len,A_INTERNAL_PKT_SIZE);
pthread_mutex_lock(&epd->n_fdd->net_r_mutex);
recv_len = tcp_rev(epd->n_fdd->net_rfd,(char *)pitd->encrypt_packet_data+A_INTERNAL_HEADER+A_INTERNAL_PKT_SIZE,ntohs(p_len));
pthread_mutex_unlock(&epd->n_fdd->net_r_mutex);
struct timeval tv;
gettimeofday(&tv,NULL);
pitd->recv_mil = ((tv.tv_sec*1000) + (tv.tv_usec/1000));
mpd->recv_mil = pitd->recv_mil;
if(recv_len <= 0){
MM("## ERR: %s %s[:%d] %s ##\n",__FILE__,__func__,__LINE__,epd->name);
dz_pthread_mutex_destroy(&pitd->pitd_mutex);
mempool_memset(md->pitd_mp,pitd->mempool_idx);
ret = -1;
}else{
recv_len += A_INTERNAL_PKT_SIZE;
if(get_opcode((char *)pitd->encrypt_packet_data+A_INTERNAL_HEADER+A_INTERNAL_PKT_SIZE) != P_DATA_V1){
char out[MAX_PKT_SIZE]={0,};
int outlen=0;
if(epd->stop != 1){
ret = process(epd,(char *)pitd->encrypt_packet_data+A_INTERNAL_HEADER+A_INTERNAL_PKT_SIZE,recv_len-A_INTERNAL_PKT_SIZE,(char *)&out,(int *)&outlen);
if(ret > 0){
//MM("## EXIT %s %s[:%d] %s %d ##\n",__FILE__,__func__,__LINE__,epd->name,get_opcode((char *)pitd->encrypt_packet_data+A_INTERNAL_HEADER+A_INTERNAL_PKT_SIZE));
//exit(0);
}else if(ret < 0){
//MM("## EXIT %s %s[:%d] %s %d ##\n",__FILE__,__func__,__LINE__,epd->name,get_opcode((char *)pitd->encrypt_packet_data+A_INTERNAL_HEADER+A_INTERNAL_PKT_SIZE));
//exit(0);
}
}else{
printf("## %s %d size %d %s ##\n",__func__,__LINE__,recv_len,epd->name);
}
dz_pthread_mutex_destroy(&pitd->pitd_mutex);
mempool_memset(md->pitd_mp,pitd->mempool_idx);
}else{
mpd->pkt_type = DATA_PKT;
pthread_mutex_lock(&epd->all_packet_cnt_mutex);
epd->all_packet_cnt++;
pthread_mutex_unlock(&epd->all_packet_cnt_mutex);
ih = (struct internal_header *)pitd->encrypt_packet_data;
ih->size = htons(recv_len + A_INTERNAL_HEADER);
ih->fd = htons(epd->n_fdd->net_rfd);
ih->packet_type = htonl(NETWORK_PACKET);
pthread_mutex_lock(&md->NPT_idx_mutex);
packet_idx = (md->NPT_idx);
ih->packet_idx = htonl(packet_idx);
if(md->NPT_idx == 0){
md->NPT_idx = 1;
}else{
md->NPT_idx++;
}
pthread_mutex_unlock(&md->NPT_idx_mutex);
pitd->key = packet_idx;
pitd->src_fd = epd->n_fdd->net_rfd;
pitd->packet_type = NETWORK_PACKET;
pitd->encrypt_packet_data_len = recv_len + A_INTERNAL_HEADER;
pitd->NPT_send_ok = SEND_OK;
pitd->NPT_packet_status = PACKET_SEND;
pthread_mutex_lock(&md->NPT_tree_mutex);
rb_i_ret = rb_insert(md->NPT_idx_tree,pitd);
if(rb_i_ret == NULL){
printf("## ERR; exit %s %d #######################\n",__func__,__LINE__);
exit(0);
}
pthread_mutex_unlock(&md->NPT_tree_mutex);
pthread_mutex_lock(&md->work_out_in_mutex);
if(md->out_in_idx == opt->core){
md->out_in_idx = 0;
}
pipe_epd = md->work_out_in_epd[md->out_in_idx];
md->out_in_idx++;
pthread_mutex_unlock(&md->work_out_in_mutex);
ret = pipe_SEND_handle(pipe_epd,(char *)ih,A_INTERNAL_HEADER);
if(ret < 0){
MM("## ERR: %s %s[:%d] %s RET: %d ##\n",__FILE__,__func__,__LINE__,epd->name,ret);
}
}
}
}
}
return ret;
}
int pipe_RECV_handle(struct epoll_ptr_data *epd)
{
int ret = 0;
int in_out_ret=0;
int out_in_ret=0;
int tun_type = 0;
int recv_len = 0;
struct main_data *md = NULL;
struct options *opt = NULL;
struct internal_header ih;
struct packet_idx_tree_data *get_pitd=NULL;
struct packet_idx_tree_data tmp_pitd;
bool packet_now_ping = false;
md = (struct main_data *)epd->gl_var;
opt = md->opt;
tun_type = dev_type_enum (opt->dev, opt->dev_type);
if(epd->thd_mode == THREAD_PIPE_IN_OUT){
pthread_mutex_lock(&epd->tp_fdd->pipe_r_mutex);
recv_len = pipe_rev(epd->tp_fdd->pipe_rfd,(char *)&ih,A_INTERNAL_HEADER);
pthread_mutex_unlock(&epd->tp_fdd->pipe_r_mutex);
}else if(epd->thd_mode == THREAD_PIPE_OUT_IN){
pthread_mutex_lock(&epd->np_fdd->pipe_r_mutex);
recv_len = pipe_rev(epd->np_fdd->pipe_rfd,(char *)&ih,A_INTERNAL_HEADER);
pthread_mutex_unlock(&epd->np_fdd->pipe_r_mutex);
}
if(recv_len <= 0){
MM("## ERR: %s %s[:%d] %s RET: %d ##\n",__FILE__,__func__,__LINE__,epd->name,recv_len);
ret = -1;
}else{
memset((char *)&tmp_pitd,0x00,sizeof(struct packet_idx_tree_data));
tmp_pitd.key = ntohl(ih.packet_idx);
if(epd->thd_mode == THREAD_PIPE_IN_OUT){
pthread_mutex_lock(&md->TPT_tree_mutex);
get_pitd = rb_find(md->TPT_idx_tree,(char *)&tmp_pitd);
pthread_mutex_unlock(&md->TPT_tree_mutex);
}else if(epd->thd_mode == THREAD_PIPE_OUT_IN){
pthread_mutex_lock(&md->NPT_tree_mutex);
get_pitd = rb_find(md->NPT_idx_tree,(char *)&tmp_pitd);
pthread_mutex_unlock(&md->NPT_tree_mutex);
}
if(get_pitd != NULL){
if(tun_type == DEV_TYPE_TUN){
if(epd->thd_mode == THREAD_PIPE_IN_OUT){
NPT_sync_handle(epd,tmp_pitd.key);
}else if(epd->thd_mode == THREAD_PIPE_OUT_IN){
struct epoll_ptr_data *tmp_epd = NULL;
struct user_data ct_ud;
struct user_data *ct_pud = NULL;
int data_ret = 0;
int keyid = 0;
if(opt->mode == SERVER){
ct_ud.key = ntohs(ih.fd);
pthread_mutex_lock(&opt->ct_tree_mutex);
ct_pud = rb_find(opt->ct_tree,(char *)&ct_ud);
pthread_mutex_unlock(&opt->ct_tree_mutex);
if(ct_pud != NULL){
tmp_epd = ct_pud->epd;
}
}else if(opt->mode == CLIENT){
tmp_epd = md->net_epd;
}
if(tmp_epd != NULL){
keyid = get_keyid((char *)get_pitd->encrypt_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE);
data_ret = data_decrypt(tmp_epd,
(char *)get_pitd->encrypt_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE,
get_pitd->encrypt_packet_data_len-A_INTERNAL_HEADER-B_OPENVPN_PKT_SIZE-B_OPENVPN_KEYID_OPCODE,
(char *)get_pitd->normal_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE,
keyid,
epd->idx
);
if(data_ret == 0){
MM("## ERR: %s %s[:%d] %s %d ##\n",__FILE__,__func__,__LINE__,epd->name,data_ret);
}else if(data_ret < 0){
MM("## ERR: %s %s[:%d] %s %d ##\n",__FILE__,__func__,__LINE__,epd->name,data_ret);
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
}else{
memcpy(get_pitd->normal_packet_data,
get_pitd->encrypt_packet_data,
A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE);
get_pitd->normal_packet_data_len = data_ret + A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE;
if((get_pitd->normal_packet_data_len - A_INTERNAL_HEADER - B_OPENVPN_PDATA_HEADER) == 16){
if(memcmp(get_pitd->normal_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PDATA_HEADER,ping_data_cmp,16) == 0){
pthread_mutex_lock(&tmp_epd->pc->ping_check_mutex);
//tmp_epd->pc->ping_check = true;
gettimeofday(&tmp_epd->pc->ping_l_last_time,NULL);
pthread_mutex_unlock(&tmp_epd->pc->ping_check_mutex);
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
packet_now_ping = true;
}else{
packet_now_ping = false;
}
}else{
packet_now_ping = false;
}
if(packet_now_ping == false){
in_out_ret = tunfd_route_tun_out_in(epd,get_pitd,&ih);
if(in_out_ret < 0){
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
}
}else{
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
}
TPT_sync_handle(epd,ntohl(ih.packet_idx));
}
}
else{
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
TPT_sync_handle(epd,ntohl(ih.packet_idx));
}
}
}else if(tun_type == DEV_TYPE_TAP){
if(epd->thd_mode == THREAD_PIPE_IN_OUT){
NPT_sync_handle(epd,tmp_pitd.key);
}else if(epd->thd_mode == THREAD_PIPE_OUT_IN){
struct epoll_ptr_data *tmp_epd = NULL;
struct user_data ct_ud;
struct user_data *ct_pud = NULL;
int data_ret = 0;
int keyid = 0;
if(opt->mode == SERVER){
ct_ud.key = ntohs(ih.fd);
pthread_mutex_lock(&opt->ct_tree_mutex);
ct_pud = rb_find(opt->ct_tree,(char *)&ct_ud);
pthread_mutex_unlock(&opt->ct_tree_mutex);
if(ct_pud != NULL){
tmp_epd = ct_pud->epd;
}
}else if(opt->mode == CLIENT){
tmp_epd = md->net_epd;
}
if(tmp_epd != NULL){
keyid = get_keyid((char *)get_pitd->encrypt_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE);
data_ret = data_decrypt(tmp_epd,
(char *)get_pitd->encrypt_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE,
get_pitd->encrypt_packet_data_len-A_INTERNAL_HEADER-B_OPENVPN_PKT_SIZE-B_OPENVPN_KEYID_OPCODE,
(char *)get_pitd->normal_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE,
keyid,
epd->idx
);
if(data_ret < 0){
MM("## ERR: %s %s[:%d] %s %d ##\n",__FILE__,__func__,__LINE__,epd->name,data_ret);
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
}else{
memcpy(get_pitd->normal_packet_data,
get_pitd->encrypt_packet_data,
A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE);
get_pitd->normal_packet_data_len = data_ret + A_INTERNAL_HEADER+B_OPENVPN_PKT_SIZE+B_OPENVPN_KEYID_OPCODE;
if((get_pitd->normal_packet_data_len - A_INTERNAL_HEADER - B_OPENVPN_PDATA_HEADER) == 16){
if(memcmp(get_pitd->normal_packet_data+A_INTERNAL_HEADER+B_OPENVPN_PDATA_HEADER,ping_data_cmp,16) == 0){
pthread_mutex_lock(&tmp_epd->pc->ping_check_mutex);
tmp_epd->pc->ping_check = true;
pthread_mutex_unlock(&tmp_epd->pc->ping_check_mutex);
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
packet_now_ping = true;
}else{
packet_now_ping = false;
}
}else{
packet_now_ping = false;
}
if(packet_now_ping == false){
out_in_ret = tunfd_route_tap_out_in(epd,get_pitd,&ih);
if(out_in_ret < 0){
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
}
}else{
}
TPT_sync_handle(epd,ntohl(ih.packet_idx));
}
}
else{
get_pitd->NPT_send_ok = 0;
get_pitd->NPT_packet_status = 0;
get_pitd->TPT_send_ok = SEND_OK;
get_pitd->TPT_packet_status = PACKET_DROP;
get_pitd->ping_send = 0;
TPT_sync_handle(epd,ntohl(ih.packet_idx));
}
}
}
}
ret = recv_len;
}
return ret;
}
int pipe_SEND_handle(struct epoll_ptr_data *epd,char *write_buff,int write_len)
{
int ret=0;
int getfd=0;
if(epd->thd_mode == THREAD_PIPE_IN_OUT){
getfd = epd->tp_fdd->pipe_wfd;
pthread_mutex_lock(&epd->tp_fdd->pipe_w_mutex);
ret = pipe_send(getfd,write_buff,write_len);
pthread_mutex_unlock(&epd->tp_fdd->pipe_w_mutex);
}else if(epd->thd_mode == THREAD_PIPE_OUT_IN ){
getfd = epd->np_fdd->pipe_wfd;
pthread_mutex_lock(&epd->np_fdd->pipe_w_mutex);
ret = pipe_send(getfd,write_buff,write_len);
pthread_mutex_unlock(&epd->np_fdd->pipe_w_mutex);
}
if(ret < 0){
MM("## ERR: %s %s[:%d] %s FD: %d RET: %d ##\n",__FILE__,__func__,__LINE__,epd->name,getfd,ret);
}
return ret;
}
extern char ping_data[];
int ping_SEND_handle(struct epoll_ptr_data *epd)
{
int ret = 0;
struct main_data *md = NULL;
md = (struct main_data *)epd->gl_var;
struct options *opt = NULL;
opt = md->opt;
struct packet_idx_tree_data *pitd=NULL;
struct internal_header *hih=NULL;
//uint32_t packet_idx = 0;
char * rb_i_ret = NULL;
struct epoll_ptr_data *pipe_epd=NULL;