static char *
np_timestr(const u64 sec, const u64 nsec)
{
const time_t t = sec;
char *s = "0";
if (sec > 0) {
s = ctime(&t);
_chomp(s);
}
return s;
}
// * [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;
}
// parses openkubus-passwd file
// returns 0 on success; if successfull user, key, data and num are filled with
// data from file
int _parse_passwd(FILE *file, const char *user, char **pw, char **offset, char **num)
{
int found = 0, i;
const char *delim = " ";
int len_user = strlen(user);
while(fgets(line, BUFFER, file) != NULL)
{
int len = strlen(line);
// line too long
if(_chomp(line) == 0)
continue;
if(len > len_user)
{
if(strncmp(user, line, len_user) == 0)
{
for(i = 0; i < len; i++)
if(line[i] == '\t')
line[i] = ' ';
if(strtok(line, delim) == NULL) continue;
if((*pw = strtok(NULL, delim)) == NULL) continue;
if((*offset = strtok(NULL, delim)) == NULL) continue;
if((*num = strtok(NULL, delim)) == NULL) continue;
found = 1;
break;
}
}
}
if(!found)
return 1;
else
return 0;
}
