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mirror of https://github.com/falk-werner/webfuse-provider synced 2024-10-27 20:44:10 +00:00
falk-werner_webfuse-provider/lib/webfuse/adapter/impl/operation/lookup.c
Falk Werner 3a7c064af7 feat(webfuse): add multiclient support (#23)
* fixes verbosity option when set through command line

* adds support for build type and allows to run gdb in container

* adds missing toolchain headers to project

* renames container macros

* adds gdbserver

* fixes verbosity option when set through command line

* adds support for build type and allows to run gdb in container

* adds missing toolchain headers to project

* renames container macros

* adds gdbserver

* removes language settings, which contains alternating values

* adds wrapper script to launch gdbserver

* fix docker command in wrapper script

* fixes run in dind setup

* replaces docker's init through dump-init

* moves filesystem to session

* fixes verbosity option when set through command line

* adds support for build type and allows to run gdb in container

* renames container macros

* adds gdbserver

* fixes verbosity option when set through command line

* adds support for build type and allows to run gdb in container

* renames container macros

* adds gdbserver

* adds wrapper script to launch gdbserver

* fix docker command in wrapper script

* fixes run in dind setup

* replaces docker's init through dump-init

* moves filesystem to session

* adds container_of

* added dlist

* allows multiple clients to connect

* removes directory when session is closed

* adds dependecy to uuid-dev

* allow clients to register filesystems

* updates documentation

* moves mountpoint handling into filesystem: mountpoints are removed during session cleanup

* adds filesystem name/id to request parameters

* fixes security issue: add_filesystem did not check name

* removes default link, if it is broken

* recreates symlink "default", if filesystem is gone

* updates documentation

* fixes memory leak

* makes authentication work .. again

* updates provider to support changed protocol

* removes execute right of hello.txt

* fixes style issues

* fixes javascript style issues

* fixes flase positive from Flawfinder

* fixes some javascript style issues

* removes use of PATH_MAX

* removes use of GNU extensions in container_of implementation

* ignores findings of flawfinder

* replaces dlist by slist

* removes duplicate implementation of slist (message_queue)
2019-04-17 22:51:16 +02:00

110 lines
2.9 KiB
C

#include "webfuse/adapter/impl/operations.h"
#include <limits.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include "webfuse/adapter/impl/jsonrpc/proxy.h"
#include "webfuse/adapter/impl/jsonrpc/util.h"
#include "webfuse/core/util.h"
struct wf_impl_operation_lookup_context
{
fuse_req_t request;
double timeout;
uid_t uid;
gid_t gid;
};
static void wf_impl_operation_lookup_finished(
void * user_data,
wf_status status,
json_t const * data
)
{
struct wf_impl_operation_lookup_context * context = user_data;
struct fuse_entry_param buffer;
if (NULL != data)
{
json_t * inode_holder = json_object_get(data, "inode");
json_t * mode_holder = json_object_get(data, "mode");
json_t * type_holder = json_object_get(data, "type");
if ((NULL != inode_holder) && (json_is_integer(inode_holder)) &&
(NULL != mode_holder) && (json_is_integer(mode_holder)) &&
(NULL != type_holder) && (json_is_string(type_holder)))
{
memset(&buffer, 0, sizeof(struct stat));
buffer.ino = json_integer_value(inode_holder);
buffer.attr.st_mode = json_integer_value(mode_holder) & 0555;
char const * type = json_string_value(type_holder);
if (0 == strcmp("file", type))
{
buffer.attr.st_mode |= S_IFREG;
}
else if (0 == strcmp("dir", type))
{
buffer.attr.st_mode |= S_IFDIR;
}
buffer.attr_timeout = context->timeout;
buffer.entry_timeout = context->timeout;
buffer.attr.st_uid = context->uid;
buffer.attr.st_gid = context->gid;
buffer.attr.st_nlink = 1;
buffer.attr.st_size = wf_impl_json_get_int(data, "size", 0);
buffer.attr.st_atime = wf_impl_json_get_int(data, "atime", 0);
buffer.attr.st_mtime = wf_impl_json_get_int(data, "mtime", 0);
buffer.attr.st_ctime = wf_impl_json_get_int(data, "ctime", 0);
}
else
{
status = WF_BAD_FORMAT;
}
}
if (WF_GOOD == status)
{
fuse_reply_entry(context->request, &buffer);
}
else
{
fuse_reply_err(context->request, ENOENT);
}
free(context);
}
void wf_impl_operation_lookup (
fuse_req_t request,
fuse_ino_t parent,
char const * name)
{
struct fuse_ctx const * context = fuse_req_ctx(request);
struct wf_impl_operations_context * user_data = fuse_req_userdata(request);
struct wf_impl_jsonrpc_proxy * rpc = wf_impl_operations_context_get_proxy(user_data);
if (NULL != rpc)
{
struct wf_impl_operation_lookup_context * lookup_context = malloc(sizeof(struct wf_impl_operation_lookup_context));
lookup_context->request = request;
lookup_context->uid = context->uid;
lookup_context->gid = context->gid;
lookup_context->timeout = user_data->timeout;
wf_impl_jsonrpc_proxy_invoke(rpc, &wf_impl_operation_lookup_finished, lookup_context, "lookup", "sis", user_data->name, (int) (parent & INT_MAX), name);
}
else
{
fuse_reply_err(request, ENOENT);
}
}