// * [ugoa]*([-+=]([rwxXst]*|[ugo]))+
extern "C" t_std_error std_user_chmod(const char *path, const char *perm_str) {
//todo wrap this initialization with a mutex
static std_mutex_lock_create_static_init_fast(lock);
std_mutex_lock(&lock);
static const mode_t all_mode_mask = _perm_map.find('a')->second.find('w')->second |
_perm_map.find('a')->second.find('r')->second |
_perm_map.find('a')->second.find('x')->second ;
std_mutex_unlock(&lock);
struct stat buf;
if (stat(path, &buf)!=0) {
int err = errno;
EV_LOG(ERR,COM,0,"COM-USER-PERM","path element doesn't exist %s",path);
return STD_ERR(COM,FAIL,err);
}
STD_ASSERT(path!=nullptr && perm_str!=nullptr);
mode_t mod = 0;
while(*perm_str!=0) {
char op = '+';
mode_t _ch_mod = 0;
if (!_chomp(perm_str,op,_ch_mod)) {
EV_LOG(ERR,COM,0,"COM-USER-PERM","permission string invalid %s",perm_str);
return STD_ERR(COM,PARAM,*perm_str);
}
if (op=='=') {
mod = _ch_mod;
} else {
if (mod==0) mod = buf.st_mode & all_mode_mask;
}
if (op=='+') {
mod |= _ch_mod;
}
if (op=='-') {
mod = mod & (~_ch_mod);
}
}
if (chmod(path,mod)!=0) {
int err = errno;
EV_LOG(ERR,COM,0,"COM-USER-PERM","Unable to change the file permissions %s:%x (%d)",path,mod,err);
return STD_ERR(COM,FAIL,err);
}
return STD_ERR_OK;
}
/* @TODO send an notification when flush is done */
void nas_l2_mac_req_handler(void){
std_condition_var_init(&nas_mac_request_cv);
while(1){
std_mutex_lock(&nas_mac_request_mutex);
while(nas_mac_request_queue.size() == 0 ){
std_condition_var_wait(&nas_mac_request_cv,&nas_mac_request_mutex);
}
nas_mac_request_entry_t & req_entry = nas_mac_request_queue.front();
if(req_entry.op_type == NAS_MAC_DEL){
if(nas_mac_delete_entries_from_hw(&(req_entry.entry),req_entry.static_type,
req_entry.del_type,req_entry.subtype_all)
!= STD_ERR_OK){
NAS_MAC_LOG(ERR,0,"Failed to remove MAC entry from hardware");
}
}
nas_mac_request_queue.pop();
std_mutex_unlock(&nas_mac_request_mutex);
}
}
int nas_acl_lock () noexcept
{
return (std_mutex_lock (&nas_acl_mutex));
}
void lock(void) {
std_mutex_lock(&m_lock);
}
