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only allow manipulation of runtime settings via xattrs. closes #22

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This commit is contained in:
Antonio SJ Musumeci 2014-07-29 00:00:42 -04:00
parent 45cec2d301
commit 7b0d703f00
35 changed files with 50 additions and 419 deletions
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54
src/read_buf.cpp
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@ -28,51 +28,8 @@
#include <errno.h>
#include <string.h>
#include "config.hpp"
#include "ugid.hpp"
#include "fileinfo.hpp"
using std::string;
static
void *
memdup(const void *src,
const size_t len)
{
void *dst;
dst = malloc(len);
if(dst == NULL)
return NULL;
memcpy(dst, src, len);
return dst;
}
static
int
_read_buf_controlfile(const string readstr,
struct fuse_bufvec **bufp,
const size_t size)
{
struct fuse_bufvec *src;
src = (fuse_bufvec*)malloc(sizeof(struct fuse_bufvec));
if(src == NULL)
return -ENOMEM;
*src = FUSE_BUFVEC_INIT(std::min(size,readstr.size()));
src->buf->mem = memdup(readstr.data(),readstr.size());
if(src->buf->mem == NULL)
return -ENOMEM;
*bufp = src;
return 0;
}
static
int
_read_buf(const int fd,
@ -106,16 +63,9 @@ namespace mergerfs
struct fuse_bufvec **bufp,
size_t size,
off_t offset,
struct fuse_file_info *fi)
struct fuse_file_info *ffi)
{
const config::Config &config = config::get();
if(fusepath == config.controlfile)
return _read_buf_controlfile(config.controlfiledata(),
bufp,
size);
return _read_buf(((FileInfo*)fi->fh)->fd,
return _read_buf(((FileInfo*)ffi->fh)->fd,
bufp,
size,
offset);