Jay Sorg
12 years ago
parent
159e240845
commit
6e25a5e600
@ -0,0 +1,441 @@
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/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2012
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define FUSE_USE_VERSION 26
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#define _FILE_OFFSET_BITS 64
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#include <fuse/fuse_lowlevel.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "arch.h"
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#include "parse.h"
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#include "os_calls.h"
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#include "chansrv.h"
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#include "chansrv_fuse.h"
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#define LLOG_LEVEL 1
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#define LLOGLN(_level, _args) \
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do \
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{ \
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if (_level < LLOG_LEVEL) \
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{ \
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g_write("chansrv:clip [%10.10u]: ", g_time3()); \
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g_writeln _args ; \
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} \
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} \
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while (0)
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static struct fuse_chan *g_ch = 0;
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static struct fuse_session *g_se = 0;
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static char *g_mountpoint = 0;
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static tintptr g_bufsize = 0;
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static char *g_buffer = 0;
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static int g_fd = 0;
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struct file_item *g_file_items = 0;
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int g_file_items_count = 0;
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static time_t g_time = 0;
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static int g_uid = 0;
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static int g_gid = 0;
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struct dirbuf
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{
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char *p;
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int size;
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int alloc_bytes;
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};
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/*****************************************************************************/
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static int APP_CC
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xrdp_stat(fuse_ino_t ino, struct stat *stbuf)
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{
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int index;
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LLOGLN(10, ("xrdp_stat: ino %d", (int)ino));
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stbuf->st_ino = ino;
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switch (ino)
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{
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case 1: /* . */
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case 2: /* .. */
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stbuf->st_mode = S_IFDIR | 0755;
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stbuf->st_nlink = 2;
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stbuf->st_uid = g_uid;
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stbuf->st_gid = g_gid;
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stbuf->st_atime = g_time;
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stbuf->st_mtime = g_time;
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stbuf->st_ctime = g_time;
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break;
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default:
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index = ino - 3;
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if (index < 0 || index >= g_file_items_count)
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{
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return -1;
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}
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stbuf->st_mode = S_IFREG | 0444;
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stbuf->st_nlink = 1;
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stbuf->st_size = g_file_items[index].data_bytes;
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stbuf->st_uid = g_uid;
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stbuf->st_gid = g_gid;
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stbuf->st_atime = g_time;
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stbuf->st_mtime = g_time;
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stbuf->st_ctime = g_time;
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break;
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}
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return 0;
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}
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/*****************************************************************************/
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static void DEFAULT_CC
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xrdp_ll_lookup(fuse_req_t req, fuse_ino_t parent, const char *name)
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{
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struct fuse_entry_param e;
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int index;
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LLOGLN(10, ("xrdp_ll_lookup: name %s", name));
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if (parent != 1)
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{
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fuse_reply_err(req, ENOENT);
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}
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else
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{
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for (index = 0; index < g_file_items_count; index++)
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{
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if (g_strcmp(name, g_file_items[index].filename) == 0)
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{
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g_memset(&e, 0, sizeof(e));
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e.ino = g_file_items[index].ino;
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e.attr_timeout = 1.0;
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e.entry_timeout = 1.0;
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xrdp_stat(e.ino, &e.attr);
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fuse_reply_entry(req, &e);
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return;
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}
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}
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}
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fuse_reply_err(req, ENOENT);
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}
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/*****************************************************************************/
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static void DEFAULT_CC
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xrdp_ll_getattr(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
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{
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struct stat stbuf;
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g_memset(&stbuf, 0, sizeof(stbuf));
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if (xrdp_stat(ino, &stbuf) == -1)
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{
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fuse_reply_err(req, ENOENT);
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}
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else
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{
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fuse_reply_attr(req, &stbuf, 1.0);
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}
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}
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/*****************************************************************************/
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static void APP_CC
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dirbuf_add(fuse_req_t req, struct dirbuf *b, const char *name, fuse_ino_t ino)
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{
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struct stat stbuf;
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char *newp;
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int oldsize;
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oldsize = b->size;
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b->size += fuse_add_direntry(req, 0, 0, name, 0, 0);
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LLOGLN(10, ("1 %d %d %d", b->alloc_bytes, b->size, oldsize));
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if (b->size > b->alloc_bytes)
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{
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b->alloc_bytes = (b->size + 1023) & (~1023);
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LLOGLN(10, ("2 %d %d %d", b->alloc_bytes, b->size, oldsize));
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newp = g_malloc(b->alloc_bytes, 0);
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g_memcpy(newp, b->p, oldsize);
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g_free(b->p);
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b->p = newp;
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}
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g_memset(&stbuf, 0, sizeof(stbuf));
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stbuf.st_ino = ino;
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fuse_add_direntry(req, b->p + oldsize, b->size - oldsize, name, &stbuf,
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b->size);
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}
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#define lmin(x, y) ((x) < (y) ? (x) : (y))
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/*****************************************************************************/
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static int APP_CC
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reply_buf_limited(fuse_req_t req, const char *buf, size_t bufsize,
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off_t off, size_t maxsize)
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{
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LLOGLN(10, ("reply_buf_limited: %d", maxsize));
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if (off < bufsize)
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{
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return fuse_reply_buf(req, buf + off,
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lmin(bufsize - off, maxsize));
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}
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else
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{
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return fuse_reply_buf(req, 0, 0);
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}
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}
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/*****************************************************************************/
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static void DEFAULT_CC
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xrdp_ll_readdir(fuse_req_t req, fuse_ino_t ino, size_t size,
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off_t off, struct fuse_file_info *fi)
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{
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struct dirbuf b;
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int index;
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if (ino != 1)
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{
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fuse_reply_err(req, ENOTDIR);
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}
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else
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{
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g_memset(&b, 0, sizeof(b));
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dirbuf_add(req, &b, ".", 1);
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dirbuf_add(req, &b, "..", 2);
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for (index = 0; index < g_file_items_count; index++)
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{
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dirbuf_add(req, &b, g_file_items[index].filename,
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g_file_items[index].ino);
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}
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reply_buf_limited(req, b.p, b.size, off, size);
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g_free(b.p);
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}
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}
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/*****************************************************************************/
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static void DEFAULT_CC
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xrdp_ll_open(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
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{
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LLOGLN(10, ("xrdp_ll_open: ino %d", (int)ino));
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if (ino == 1 || ino == 2)
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{
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fuse_reply_err(req, EISDIR);
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}
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else if ((fi->flags & 3) != O_RDONLY)
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{
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fuse_reply_err(req, EACCES);
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}
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else
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{
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fuse_reply_open(req, fi);
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}
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}
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/*****************************************************************************/
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static void DEFAULT_CC
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xrdp_ll_read(fuse_req_t req, fuse_ino_t ino, size_t size,
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off_t off, struct fuse_file_info *fi)
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{
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int index;
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LLOGLN(10, ("xrdp_ll_read: %d %d %d", (int)ino, (int)off, (int)size));
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index = ino - 3;
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if (index < 0 || index >= g_file_items_count)
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{
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}
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else
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{
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reply_buf_limited(req, g_file_items[index].data,
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g_file_items[index].data_bytes,
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off, size);
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}
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}
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static struct fuse_lowlevel_ops xrdp_ll_oper =
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{
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.lookup = xrdp_ll_lookup,
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.getattr = xrdp_ll_getattr,
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.readdir = xrdp_ll_readdir,
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.open = xrdp_ll_open,
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.read = xrdp_ll_read,
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};
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/*****************************************************************************/
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/* returns error */
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static int APP_CC
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fuse_init_lib(int argc, char **argv)
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{
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struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
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int error;
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error = fuse_parse_cmdline(&args, &g_mountpoint, 0, 0);
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if (error == -1)
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{
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LLOGLN(0, ("fuse_init_lib: fuse_parse_cmdline failed"));
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fuse_opt_free_args(&args);
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return 1;
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}
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g_ch = fuse_mount(g_mountpoint, &args);
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if (g_ch == 0)
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{
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LLOGLN(0, ("fuse_init_lib: fuse_mount failed"));
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fuse_opt_free_args(&args);
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return 1;
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}
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g_se = fuse_lowlevel_new(&args, &xrdp_ll_oper,
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sizeof(xrdp_ll_oper), 0);
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if (g_se == 0)
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{
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LLOGLN(0, ("fuse_init_lib: fuse_lowlevel_new failed"));
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fuse_unmount(g_mountpoint, g_ch);
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g_ch = 0;
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fuse_opt_free_args(&args);
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return 1;
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}
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fuse_opt_free_args(&args);
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fuse_session_add_chan(g_se, g_ch);
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g_bufsize = fuse_chan_bufsize(g_ch);
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g_buffer = g_malloc(g_bufsize, 0);
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g_fd = fuse_chan_fd(g_ch);
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return 0;
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}
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/*****************************************************************************/
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/* returns error */
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int APP_CC
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fuse_set_dir_item(int index, char *filename, int flags, char *data,
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int data_bytes, int ino)
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{
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g_strncpy(g_file_items[index].filename, filename, 255);
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g_file_items[index].flags = flags;
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g_memcpy(g_file_items[index].data, data, data_bytes);
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g_file_items[index].data_bytes = data_bytes;
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g_file_items[index].ino = ino;
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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fuse_get_wait_objs(tbus *objs, int *count, int *timeout)
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{
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int lcount;
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LLOGLN(10, ("fuse_get_wait_objs:"));
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if (g_ch == 0)
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{
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return 0;
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}
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lcount = *count;
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objs[lcount] = g_fd;
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lcount++;
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*count = lcount;
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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fuse_check_wait_objs(void)
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{
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struct fuse_chan *tmpch;
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int res;
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LLOGLN(10, ("fuse_check_wait_objs:"));
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if (g_ch == 0)
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{
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return 0;
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}
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if (g_tcp_select(g_fd, 0) & 1)
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{
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LLOGLN(10, ("fuse_check_wait_objs: fd is set"));
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tmpch = g_ch;
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res = fuse_chan_recv(&tmpch, g_buffer, g_bufsize);
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if (res == -EINTR)
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{
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return 0;
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}
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if (res <= 0)
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{
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return 1;
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}
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fuse_session_process(g_se, g_buffer, res, tmpch);
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}
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return 0;
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}
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/*****************************************************************************/
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/* returns error */
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int APP_CC
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fuse_init(void)
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{
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char *param0 = "xrdp-chansrv";
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char *argv[4];
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char root_path[256];
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g_snprintf(root_path, 255, "%s/xrdp_client", g_getenv("HOME"));
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LLOGLN(0, ("fuse_init: using root_path [%s]", root_path));
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if (g_ch != 0)
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{
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return 0;
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}
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g_time = g_time1();
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g_uid = g_getuid();
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g_gid = g_getgid();
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argv[0] = param0;
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argv[1] = root_path;
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argv[2] = 0;
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g_file_items = g_malloc(sizeof(struct file_item) * 3, 1);
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fuse_set_dir_item(0, "File1", 0, "1\n", 2, 3);
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fuse_set_dir_item(1, "File2", 0, "2\n", 2, 4);
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fuse_set_dir_item(2, "File3", 0, "3\n", 2, 5);
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g_file_items_count = 3;
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return fuse_init_lib(2, argv);
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}
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/*****************************************************************************/
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/* returns error */
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int APP_CC
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fuse_deinit(void)
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{
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LLOGLN(0, ("fuse_deinit:"));
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if (g_ch != 0)
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{
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LLOGLN(0, ("fuse_deinit: calling fuse_unmount"));
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fuse_session_remove_chan(g_ch);
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fuse_unmount(g_mountpoint, g_ch);
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g_ch = 0;
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}
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if (g_se != 0)
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{
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LLOGLN(0, ("fuse_deinit: calling fuse_session_destroy"));
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fuse_session_destroy(g_se);
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g_se = 0;
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}
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if (g_buffer != 0)
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{
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g_free(g_buffer);
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g_buffer = 0;
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}
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if (g_file_items != 0)
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{
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g_free(g_file_items);
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g_file_items = 0;
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g_file_items_count = 0;
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}
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return 0;
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}
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@ -0,0 +1,26 @@
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#if !defined(CHANSRV_FUSE_H)
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#define CHANSRV_FUSE_H
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struct file_item
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{
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char filename[256];
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int flags;
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char data[256];
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int data_bytes;
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int ino;
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};
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int APP_CC
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fuse_set_dir_item(int index, char *filename, int flags, char *data,
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int data_bytes, int ino);
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int APP_CC
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fuse_get_wait_objs(tbus *objs, int *count, int *timeout);
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int APP_CC
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fuse_check_wait_objs(void);
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int APP_CC
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fuse_init(void);
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int APP_CC
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fuse_deinit(void);
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#endif
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@ -0,0 +1,63 @@
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LOG_LEVEL
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dolphin
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clipboard_event_selection_owner_notify:
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clipboard_event_selection_notify: 0x1f7 text/uri-list
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clipboard_event_selection_notify: 0x1f8 text/x-moz-url
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clipboard_event_selection_notify: 0x1f3 text/plain
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clipboard_event_selection_notify: 0xee UTF8_STRING
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clipboard_event_selection_notify: 0x1f STRING
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||||
clipboard_event_selection_notify: 0x1a1 TEXT
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clipboard_event_selection_notify: 0x1a0 COMPOUND_TEXT
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clipboard_event_selection_notify: 0x1fa application/x-qiconlist
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clipboard_event_selection_notify: 0xec TARGETS
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clipboard_event_selection_notify: 0xed MULTIPLE
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||||
clipboard_event_selection_notify: 0xeb TIMESTAMP
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clipboard_event_selection_notify: 0x183 SAVE_TARGETS
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thunar
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clipboard_event_selection_owner_notify:
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clipboard_event_selection_notify: 0xeb TIMESTAMP
|
||||
clipboard_event_selection_notify: 0xec TARGETS
|
||||
clipboard_event_selection_notify: 0xed MULTIPLE
|
||||
clipboard_event_selection_notify: 0x204 x-special/gnome-copied-files
|
||||
clipboard_event_selection_notify: 0xee UTF8_STRING
|
||||
clipboard_data_in:
|
||||
clipboard_data_in: 3
|
||||
|
||||
pcmanfm
|
||||
clipboard_event_selection_owner_notify:
|
||||
clipboard_event_selection_notify: 0xeb TIMESTAMP
|
||||
clipboard_event_selection_notify: 0xec TARGETS
|
||||
clipboard_event_selection_notify: 0xed MULTIPLE
|
||||
clipboard_event_selection_notify: 0x1f7 text/uri-list
|
||||
clipboard_event_selection_notify: 0x204 x-special/gnome-copied-files
|
||||
clipboard_event_selection_notify: 0x1f9 application/x-kde-cutselection
|
||||
clipboard_event_selection_notify: 0xee UTF8_STRING
|
||||
|
||||
CAJA
|
||||
clipboard_event_selection_notify: 0x141 TIMESTAMP
|
||||
clipboard_event_selection_notify: 0x130 TARGETS
|
||||
clipboard_event_selection_notify: 0x142 MULTIPLE
|
||||
clipboard_event_selection_notify: 0x143 x-special/mate-copied-files
|
||||
clipboard_event_selection_notify: 0x144 text/uri-list
|
||||
clipboard_event_selection_notify: 0x0 (null)
|
||||
clipboard_event_selection_notify: 0x25 WM_ICON_NAME
|
||||
clipboard_event_selection_notify: 0x47524154 (null)
|
||||
clipboard_event_selection_notify: 0x50000078 (null)
|
||||
clipboard_event_selection_notify: 0x0 (null)
|
||||
clipboard_event_selection_notify: 0x25 WM_ICON_NAME
|
||||
|
||||
nautilus
|
||||
clipboard_event_selection_notify: 0x141 TIMESTAMP
|
||||
clipboard_event_selection_notify: 0x130 TARGETS
|
||||
clipboard_event_selection_notify: 0x142 MULTIPLE
|
||||
clipboard_event_selection_notify: 0x154 x-special/gnome-copied-files
|
||||
clipboard_event_selection_notify: 0x144 text/uri-list
|
||||
clipboard_event_selection_notify: 0xfb UTF8_STRING
|
||||
clipboard_event_selection_notify: 0x0 (null)
|
||||
clipboard_event_selection_notify: 0x25 WM_ICON_NAME
|
||||
clipboard_event_selection_notify: 0x47524154 (null)
|
||||
clipboard_event_selection_notify: 0x50000078 (null)
|
||||
clipboard_event_selection_notify: 0x0 (null)
|
||||
clipboard_event_selection_notify: 0x25 WM_ICON_NAME
|
||||
Loading…
Reference in new issue