int FSSftp::Stat ( FSPath& path, FSStat* st, int* err, FSCInfo* info )
{
MutexLock lock( &mutex );
int ret = CheckSession( err, info );
if ( ret ) { return ret; }
char* fullPath = ( char* ) path.GetString( _operParam.charset, '/' );
try
{
SftpAttr attr;
int ret;
WHILE_EAGAIN_( ret, libssh2_sftp_lstat( sftpSession, fullPath, &attr.attr ) );
CheckSFTP( ret );
if ( attr.IsLink() )
{
char buf[4096];
int len;
WHILE_EAGAIN_( len, libssh2_sftp_readlink( sftpSession, fullPath, buf, sizeof( buf ) ) );
if ( len < 0 ) { CheckSFTP( len ); };
st->link.Set( _operParam.charset, buf );
int ret;
WHILE_EAGAIN_( ret, libssh2_sftp_stat( sftpSession, fullPath, &attr.attr ) );
if ( ret ) { attr.attr.permissions = 0; }
}
st->mode = attr.Permissions();
st->size = attr.Size();
st->uid = attr.Uid();
st->gid = attr.Gid();
st->mtime = attr.MTime();
}
catch ( int e )
{
st->mode = 0;
if ( err ) { *err = e; }
return ( e == -2 ) ? -2 : -1;
}
return 0;
}
/* sftp获取文件属性 */
static int sftp_get_stat(protocol_data_t *protocol, char *filename, file_t *fileinfo)
{
LIBSSH2_SFTP_ATTRIBUTES attrs;
if (protocol == NULL || protocol->protocol_data == NULL
|| filename == NULL || fileinfo == NULL) {
return -1;
}
sftp_data_t *data = (sftp_data_t *)protocol->protocol_data;
libssh2_sftp_lstat(data->sftp_session, filename, &attrs);
fileinfo->filesize = attrs.filesize;
fileinfo->permissions = attrs.permissions;
fileinfo->uid = attrs.uid;
fileinfo->gid = attrs.gid;
fileinfo->mtime = attrs.mtime;
fileinfo->atime = attrs.atime;
return 0;
}
int FSSftp::OpenCreate ( FSPath& path, bool overwrite, int mode, int flags, int* err, FSCInfo* info )
{
MutexLock lock( &mutex );
int ret = CheckSession( err, info );
if ( ret ) { return ret; }
int n = 0;
try
{
if ( !overwrite )
{
/* странная херня, при наличии файла с O_EXCL, выдает не EEXIST, а "прерван системный вызов"
поэтому встанил эту дурацкую проверку на наличие
*/
LIBSSH2_SFTP_ATTRIBUTES attr;
int ret;
WHILE_EAGAIN_( ret, libssh2_sftp_lstat( sftpSession, ( char* )path.GetString( _operParam.charset, '/' ), &attr ) );
if ( !ret ) { if ( err ) { *err = EEXIST; } return -1; }
}
for ( n = 0; n < MAX_FILES; n++ )
if ( !fileTable[n] ) { break; }
if ( n >= MAX_FILES )
{
if ( err ) { *err = SSH_INTERROR_OUTOF; }
return -1;
}
LIBSSH2_SFTP_HANDLE* fd = 0;
while ( true )
{
fd = libssh2_sftp_open( sftpSession,
( char* )path.GetString( _operParam.charset, '/' ),
LIBSSH2_FXF_CREAT | LIBSSH2_FXF_WRITE | ( overwrite ? LIBSSH2_FXF_TRUNC : LIBSSH2_FXF_EXCL ),
mode );
if ( fd ) { break; }
CheckSFTPEagain();
WaitSocket( info );
}
fileTable[n] = fd;
}
catch ( int e )
{
if ( err ) { *err = e; }
return ( e == -2 ) ? -2 : -1;
}
return n;
}