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/*
* AppFS Path Type: Describes the type of path a given file is
*/
typedef enum {
APPFS_PATHTYPE_INVALID,
APPFS_PATHTYPE_FILE,
APPFS_PATHTYPE_DIRECTORY,
APPFS_PATHTYPE_SYMLINK
APPFS_PATHTYPE_SYMLINK,
APPFS_PATHTYPE_SOCKET,
APPFS_PATHTYPE_FIFO,
} appfs_pathtype_t;
/*
* AppFS Path Information:
* Completely describes a specific path, how it should be returned to
* to the kernel
*/
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pathinfo->typeinfo.symlink.size = attr_value_int;
pathinfo->typeinfo.symlink.source[attr_value_int] = '\0';
memcpy(pathinfo->typeinfo.symlink.source, attr_value_str, attr_value_int);
}
}
break;
case 'p': /* pipe/fifo */
break;
case 'S': /* UNIX domain socket */
break;
default:
return(-EIO);
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_packaged, &attr_value);
if (attr_value != NULL) {
pathinfo->packaged = 1;
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}
} else {
pathinfo->time = 0;
}
return(0);
}
static char *appfs_prepare_to_create(const char *path) {
Tcl_Interp *interp;
const char *real_path;
int tcl_ret;
interp = appfs_TclInterp();
if (interp == NULL) {
return(NULL);
}
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::prepare_to_create", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::prepare_to_create(%s) failed.", path);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(NULL);
}
real_path = Tcl_GetStringResult(interp);
if (real_path == NULL) {
return(NULL);
}
return(strdup(real_path));
}
static int appfs_fuse_readlink(const char *path, char *buf, size_t size) {
struct appfs_pathinfo pathinfo;
int retval = 0;
APPFS_DEBUG("Enter (path = %s, ...)", path);
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stbuf->st_size = pathinfo.typeinfo.file.size;
break;
case APPFS_PATHTYPE_SYMLINK:
stbuf->st_mode = S_IFLNK | 0555;
stbuf->st_nlink = 1;
stbuf->st_size = pathinfo.typeinfo.symlink.size;
break;
case APPFS_PATHTYPE_SOCKET:
case APPFS_PATHTYPE_FIFO:
case APPFS_PATHTYPE_INVALID:
retval = -EIO;
retval = -ENOENT;
break;
}
if (pathinfo.packaged) {
stbuf->st_mode |= 0222;
}
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return(-EIO);
}
write_ret = write(fi->fh, buf, size);
return(write_ret);
}
static int appfs_fuse_mknod(const char *path, mode_t mode, dev_t device) {
char *real_path;
int mknod_ret;
if ((mode & S_IFCHR) == S_IFCHR) {
return(-EPERM);
}
if ((mode & S_IFBLK) == S_IFBLK) {
return(-EPERM);
}
real_path = appfs_prepare_to_create(path);
if (real_path == NULL) {
return(-EIO);
}
mknod_ret = mknod(real_path, mode, device);
free(real_path);
if (mknod_ret != 0) {
return(errno * -1);
}
return(0);
}
static int appfs_fuse_create(const char *path, mode_t mode, struct fuse_file_info *fi) {
int fd;
int chmod_ret;
fd = appfs_fuse_open(path, fi);
if (fd < 0) {
return(fd);
}
chmod_ret = fchmod(fd, mode);
if (chmod_ret != 0) {
close(fd);
return(-EIO);
}
return(fd);
}
/*
* SQLite3 mode: Execute raw SQL and return success or failure
*/
static int appfs_sqlite3(const char *sql) {
Tcl_Interp *interp;
const char *sql_ret;
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static struct fuse_operations appfs_operations = {
.getattr = appfs_fuse_getattr,
.readdir = appfs_fuse_readdir,
.readlink = appfs_fuse_readlink,
.open = appfs_fuse_open,
.release = appfs_fuse_close,
.read = appfs_fuse_read,
.write = appfs_fuse_write
.write = appfs_fuse_write,
.mknod = appfs_fuse_mknod,
.create = appfs_fuse_create,
};
/*
* FUSE option parsing callback
*/
static int appfs_fuse_opt_cb(void *data, const char *arg, int key, struct fuse_args *outargs) {
static int seen_cachedir = 0;
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