--- /dev/null
+/* -*- c-basic-offset: 8 -*-
+ rdesktop: A Remote Desktop Protocol client.
+ Disk Redirection
+ Copyright (C) Jeroen Meijer 2003
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "disk.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h> /* open, close */
+#include <dirent.h> /* opendir, closedir, readdir */
+#include <fnmatch.h>
+#include <errno.h> /* errno */
+#include <stdio.h>
+
+#include <utime.h>
+#include <time.h> /* ctime */
+
+#if (defined(HAVE_DIRFD) || (HAVE_DECL_DIRFD == 1))
+#define DIRFD(a) (dirfd(a))
+#else
+#define DIRFD(a) ((a)->DIR_FD_MEMBER_NAME)
+#endif
+
+/* TODO: Fix mntent-handling for solaris
+ * #include <sys/mntent.h> */
+#if (defined(HAVE_MNTENT_H) && defined(HAVE_SETMNTENT))
+#include <mntent.h>
+#define MNTENT_PATH "/etc/mtab"
+#define USE_SETMNTENT
+#endif
+
+#ifdef HAVE_SYS_VFS_H
+#include <sys/vfs.h>
+#endif
+
+#ifdef HAVE_SYS_STATVFS_H
+#include <sys/statvfs.h>
+#endif
+
+#ifdef HAVE_SYS_STATFS_H
+#include <sys/statfs.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#ifdef HAVE_SYS_MOUNT_H
+#include <sys/mount.h>
+#endif
+
+#include "rdesktop.h"
+
+#ifdef STAT_STATFS3_OSF1
+#define STATFS_FN(path, buf) (statfs(path,buf,sizeof(buf)))
+#define STATFS_T statfs
+#define USE_STATFS
+#endif
+
+#ifdef STAT_STATVFS
+#define STATFS_FN(path, buf) (statvfs(path,buf))
+#define STATFS_T statvfs
+#define USE_STATVFS
+#endif
+
+#ifdef STAT_STATVFS64
+#define STATFS_FN(path, buf) (statvfs64(path,buf))
+#define STATFS_T statvfs64
+#define USE_STATVFS
+#endif
+
+#if (defined(STAT_STATFS2_FS_DATA) || defined(STAT_STATFS2_BSIZE) || defined(STAT_STATFS2_FSIZE))
+#define STATFS_FN(path, buf) (statfs(path,buf))
+#define STATFS_T statfs
+#define USE_STATFS
+#endif
+
+#ifdef STAT_STATFS4
+#define STATFS_FN(path, buf) (statfs(path,buf,sizeof(buf),0))
+#define STATFS_T statfs
+#define USE_STATFS
+#endif
+
+#if ((defined(USE_STATFS) && defined(HAVE_STRUCT_STATFS_F_NAMEMAX)) || (defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_NAMEMAX)))
+#define F_NAMELEN(buf) ((buf).f_namemax)
+#endif
+
+#if ((defined(USE_STATFS) && defined(HAVE_STRUCT_STATFS_F_NAMELEN)) || (defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_NAMELEN)))
+#define F_NAMELEN(buf) ((buf).f_namelen)
+#endif
+
+#ifndef F_NAMELEN
+#define F_NAMELEN(buf) (255)
+#endif
+
+/* Dummy statfs fallback */
+#ifndef STATFS_T
+struct dummy_statfs_t
+{
+ long f_bfree;
+ long f_bsize;
+ long f_blocks;
+ int f_namelen;
+ int f_namemax;
+};
+
+static int
+dummy_statfs(struct dummy_statfs_t *buf)
+{
+ buf->f_blocks = 262144;
+ buf->f_bfree = 131072;
+ buf->f_bsize = 512;
+ buf->f_namelen = 255;
+ buf->f_namemax = 255;
+
+ return 0;
+}
+
+#define STATFS_T dummy_statfs_t
+#define STATFS_FN(path,buf) (dummy_statfs(buf))
+#endif
+
+typedef struct
+{
+ char name[PATH_MAX];
+ char label[PATH_MAX];
+ unsigned long serial;
+ char type[PATH_MAX];
+} FsInfoType;
+
+static NTSTATUS NotifyInfo(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, NOTIFY * p);
+
+static time_t
+get_create_time(struct stat *st)
+{
+ time_t ret, ret1;
+
+ ret = MIN(st->st_ctime, st->st_mtime);
+ ret1 = MIN(ret, st->st_atime);
+
+ if (ret1 != (time_t) 0)
+ return ret1;
+
+ return ret;
+}
+
+/* Convert seconds since 1970 to a filetime */
+static void
+seconds_since_1970_to_filetime(time_t seconds, uint32 * high, uint32 * low)
+{
+ unsigned long long ticks;
+
+ ticks = (seconds + 11644473600LL) * 10000000;
+ *low = (uint32) ticks;
+ *high = (uint32) (ticks >> 32);
+}
+
+/* Convert seconds since 1970 back to filetime */
+static time_t
+convert_1970_to_filetime(uint32 high, uint32 low)
+{
+ unsigned long long ticks;
+ time_t val;
+
+ ticks = low + (((unsigned long long) high) << 32);
+ ticks /= 10000000;
+ ticks -= 11644473600LL;
+
+ val = (time_t) ticks;
+ return (val);
+
+}
+
+/* A wrapper for ftruncate which supports growing files, even if the
+ native ftruncate doesn't. This is needed on Linux FAT filesystems,
+ for example. */
+static int
+ftruncate_growable(int fd, off_t length)
+{
+ int ret;
+ off_t pos;
+ static const char zero = 0;
+
+ /* Try the simple method first */
+ if ((ret = ftruncate(fd, length)) != -1)
+ {
+ return ret;
+ }
+
+ /*
+ * Some kind of error. Perhaps we were trying to grow. Retry
+ * in a safe way.
+ */
+
+ /* Get current position */
+ if ((pos = lseek(fd, 0, SEEK_CUR)) == -1)
+ {
+ perror("lseek");
+ return -1;
+ }
+
+ /* Seek to new size */
+ if (lseek(fd, length, SEEK_SET) == -1)
+ {
+ perror("lseek");
+ return -1;
+ }
+
+ /* Write a zero */
+ if (write(fd, &zero, 1) == -1)
+ {
+ perror("write");
+ return -1;
+ }
+
+ /* Truncate. This shouldn't fail. */
+ if (ftruncate(fd, length) == -1)
+ {
+ perror("ftruncate");
+ return -1;
+ }
+
+ /* Restore position */
+ if (lseek(fd, pos, SEEK_SET) == -1)
+ {
+ perror("lseek");
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Just like open(2), but if a open with O_EXCL fails, retry with
+ GUARDED semantics. This might be necessary because some filesystems
+ (such as NFS filesystems mounted from a unfsd server) doesn't
+ support O_EXCL. GUARDED semantics are subject to race conditions,
+ but we can live with that.
+*/
+static int
+open_weak_exclusive(const char *pathname, int flags, mode_t mode)
+{
+ int ret;
+ struct stat statbuf;
+
+ ret = open(pathname, flags, mode);
+ if (ret != -1 || !(flags & O_EXCL))
+ {
+ /* Success, or not using O_EXCL */
+ return ret;
+ }
+
+ /* An error occured, and we are using O_EXCL. In case the FS
+ doesn't support O_EXCL, some kind of error will be
+ returned. Unfortunately, we don't know which one. Linux
+ 2.6.8 seems to return 524, but I cannot find a documented
+ #define for this case. So, we'll return only on errors that
+ we know aren't related to O_EXCL. */
+ switch (errno)
+ {
+ case EACCES:
+ case EEXIST:
+ case EINTR:
+ case EISDIR:
+ case ELOOP:
+ case ENAMETOOLONG:
+ case ENOENT:
+ case ENOTDIR:
+ return ret;
+ }
+
+ /* Retry with GUARDED semantics */
+ if (stat(pathname, &statbuf) != -1)
+ {
+ /* File exists */
+ errno = EEXIST;
+ return -1;
+ }
+ else
+ {
+ return open(pathname, flags & ~O_EXCL, mode);
+ }
+}
+
+/* Enumeration of devices from rdesktop.c */
+/* returns numer of units found and initialized. */
+/* optarg looks like ':h=/mnt/floppy,b=/mnt/usbdevice1' */
+/* when it arrives to this function. */
+int
+disk_enum_devices(RDPCLIENT * This, uint32 * id, char *optarg)
+{
+ char *pos = optarg;
+ char *pos2;
+ int count = 0;
+
+ /* skip the first colon */
+ optarg++;
+ while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
+ {
+ pos2 = next_arg(optarg, '=');
+
+ strncpy(This->rdpdr_device[*id].name, optarg, sizeof(This->rdpdr_device[*id].name) - 1);
+ if (strlen(optarg) > (sizeof(This->rdpdr_device[*id].name) - 1))
+ fprintf(stderr, "share name %s truncated to %s\n", optarg,
+ This->rdpdr_device[*id].name);
+
+ This->rdpdr_device[*id].local_path = (char *) xmalloc(strlen(pos2) + 1);
+ strcpy(This->rdpdr_device[*id].local_path, pos2);
+ This->rdpdr_device[*id].device_type = DEVICE_TYPE_DISK;
+ count++;
+ (*id)++;
+
+ optarg = pos;
+ }
+ return count;
+}
+
+/* Opens or creates a file or directory */
+static NTSTATUS
+disk_create(RDPCLIENT * This, uint32 device_id, uint32 accessmask, uint32 sharemode, uint32 create_disposition,
+ uint32 flags_and_attributes, char *filename, NTHANDLE * phandle)
+{
+ NTHANDLE handle;
+ DIR *dirp;
+ int flags, mode;
+ char path[PATH_MAX];
+ struct stat filestat;
+
+ handle = 0;
+ dirp = NULL;
+ flags = 0;
+ mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
+
+ if (*filename && filename[strlen(filename) - 1] == '/')
+ filename[strlen(filename) - 1] = 0;
+ sprintf(path, "%s%s", This->rdpdr_device[device_id].local_path, filename);
+
+ switch (create_disposition)
+ {
+ case CREATE_ALWAYS:
+
+ /* Delete existing file/link. */
+ unlink(path);
+ flags |= O_CREAT;
+ break;
+
+ case CREATE_NEW:
+
+ /* If the file already exists, then fail. */
+ flags |= O_CREAT | O_EXCL;
+ break;
+
+ case OPEN_ALWAYS:
+
+ /* Create if not already exists. */
+ flags |= O_CREAT;
+ break;
+
+ case OPEN_EXISTING:
+
+ /* Default behaviour */
+ break;
+
+ case TRUNCATE_EXISTING:
+
+ /* If the file does not exist, then fail. */
+ flags |= O_TRUNC;
+ break;
+ }
+
+ /*printf("Open: \"%s\" flags: %X, accessmask: %X sharemode: %X create disp: %X\n", path, flags_and_attributes, accessmask, sharemode, create_disposition); */
+
+ /* Get information about file and set that flag ourselfs */
+ if ((stat(path, &filestat) == 0) && (S_ISDIR(filestat.st_mode)))
+ {
+ if (flags_and_attributes & FILE_NON_DIRECTORY_FILE)
+ return STATUS_FILE_IS_A_DIRECTORY;
+ else
+ flags_and_attributes |= FILE_DIRECTORY_FILE;
+ }
+
+ if (flags_and_attributes & FILE_DIRECTORY_FILE)
+ {
+ if (flags & O_CREAT)
+ {
+ mkdir(path, mode);
+ }
+
+ dirp = opendir(path);
+ if (!dirp)
+ {
+ switch (errno)
+ {
+ case EACCES:
+
+ return STATUS_ACCESS_DENIED;
+
+ case ENOENT:
+
+ return STATUS_NO_SUCH_FILE;
+
+ default:
+
+ perror("opendir");
+ return STATUS_NO_SUCH_FILE;
+ }
+ }
+ handle = DIRFD(dirp);
+ }
+ else
+ {
+
+ if (accessmask & GENERIC_ALL
+ || (accessmask & GENERIC_READ && accessmask & GENERIC_WRITE))
+ {
+ flags |= O_RDWR;
+ }
+ else if ((accessmask & GENERIC_WRITE) && !(accessmask & GENERIC_READ))
+ {
+ flags |= O_WRONLY;
+ }
+ else
+ {
+ flags |= O_RDONLY;
+ }
+
+ handle = open_weak_exclusive(path, flags, mode);
+ if (handle == -1)
+ {
+ switch (errno)
+ {
+ case EISDIR:
+
+ return STATUS_FILE_IS_A_DIRECTORY;
+
+ case EACCES:
+
+ return STATUS_ACCESS_DENIED;
+
+ case ENOENT:
+
+ return STATUS_NO_SUCH_FILE;
+ case EEXIST:
+
+ return STATUS_OBJECT_NAME_COLLISION;
+ default:
+
+ perror("open");
+ return STATUS_NO_SUCH_FILE;
+ }
+ }
+
+ /* all read and writes of files should be non blocking */
+ if (fcntl(handle, F_SETFL, O_NONBLOCK) == -1)
+ perror("fcntl");
+ }
+
+ if (handle >= MAX_OPEN_FILES)
+ {
+ error("Maximum number of open files (%s) reached. Increase MAX_OPEN_FILES!\n",
+ handle);
+ exit(1);
+ }
+
+ if (dirp)
+ This->fileinfo[handle].pdir = dirp;
+ else
+ This->fileinfo[handle].pdir = NULL;
+
+ This->fileinfo[handle].device_id = device_id;
+ This->fileinfo[handle].flags_and_attributes = flags_and_attributes;
+ This->fileinfo[handle].accessmask = accessmask;
+ strncpy(This->fileinfo[handle].path, path, PATH_MAX - 1);
+ This->fileinfo[handle].delete_on_close = False;
+ This->notify_stamp = True;
+
+ *phandle = handle;
+ return STATUS_SUCCESS;
+}
+
+static NTSTATUS
+disk_close(RDPCLIENT * This, NTHANDLE handle)
+{
+ struct fileinfo *pfinfo;
+
+ pfinfo = &(This->fileinfo[handle]);
+
+ This->notify_stamp = True;
+
+ rdpdr_abort_io(This, handle, 0, STATUS_CANCELLED);
+
+ if (pfinfo->pdir)
+ {
+ if (closedir(pfinfo->pdir) < 0)
+ {
+ perror("closedir");
+ return STATUS_INVALID_HANDLE;
+ }
+
+ if (pfinfo->delete_on_close)
+ if (rmdir(pfinfo->path) < 0)
+ {
+ perror(pfinfo->path);
+ return STATUS_ACCESS_DENIED;
+ }
+ pfinfo->delete_on_close = False;
+ }
+ else
+ {
+ if (close(handle) < 0)
+ {
+ perror("close");
+ return STATUS_INVALID_HANDLE;
+ }
+ if (pfinfo->delete_on_close)
+ if (unlink(pfinfo->path) < 0)
+ {
+ perror(pfinfo->path);
+ return STATUS_ACCESS_DENIED;
+ }
+
+ pfinfo->delete_on_close = False;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+static NTSTATUS
+disk_read(RDPCLIENT * This, NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
+{
+ int n;
+
+#if 0
+ /* browsing dir ???? */
+ /* each request is 24 bytes */
+ if (This->fileinfo[handle].flags_and_attributes & FILE_DIRECTORY_FILE)
+ {
+ *result = 0;
+ return STATUS_SUCCESS;
+ }
+#endif
+
+ lseek(handle, offset, SEEK_SET);
+
+ n = read(handle, data, length);
+
+ if (n < 0)
+ {
+ *result = 0;
+ switch (errno)
+ {
+ case EISDIR:
+ /* Implement 24 Byte directory read ??
+ with STATUS_NOT_IMPLEMENTED server doesn't read again */
+ /* return STATUS_FILE_IS_A_DIRECTORY; */
+ return STATUS_NOT_IMPLEMENTED;
+ default:
+ perror("read");
+ return STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ *result = n;
+
+ return STATUS_SUCCESS;
+}
+
+static NTSTATUS
+disk_write(RDPCLIENT * This, NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
+{
+ int n;
+
+ lseek(handle, offset, SEEK_SET);
+
+ n = write(handle, data, length);
+
+ if (n < 0)
+ {
+ perror("write");
+ *result = 0;
+ switch (errno)
+ {
+ case ENOSPC:
+ return STATUS_DISK_FULL;
+ default:
+ return STATUS_ACCESS_DENIED;
+ }
+ }
+
+ *result = n;
+
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+disk_query_information(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, STREAM out)
+{
+ uint32 file_attributes, ft_high, ft_low;
+ struct stat filestat;
+ char *path, *filename;
+
+ path = This->fileinfo[handle].path;
+
+ /* Get information about file */
+ if (fstat(handle, &filestat) != 0)
+ {
+ perror("stat");
+ out_uint8(out, 0);
+ return STATUS_ACCESS_DENIED;
+ }
+
+ /* Set file attributes */
+ file_attributes = 0;
+ if (S_ISDIR(filestat.st_mode))
+ file_attributes |= FILE_ATTRIBUTE_DIRECTORY;
+
+ filename = 1 + strrchr(path, '/');
+ if (filename && filename[0] == '.')
+ file_attributes |= FILE_ATTRIBUTE_HIDDEN;
+
+ if (!file_attributes)
+ file_attributes |= FILE_ATTRIBUTE_NORMAL;
+
+ if (!(filestat.st_mode & S_IWUSR))
+ file_attributes |= FILE_ATTRIBUTE_READONLY;
+
+ /* Return requested data */
+ switch (info_class)
+ {
+ case FileBasicInformation:
+ seconds_since_1970_to_filetime(get_create_time(&filestat), &ft_high,
+ &ft_low);
+ out_uint32_le(out, ft_low); /* create_access_time */
+ out_uint32_le(out, ft_high);
+
+ seconds_since_1970_to_filetime(filestat.st_atime, &ft_high, &ft_low);
+ out_uint32_le(out, ft_low); /* last_access_time */
+ out_uint32_le(out, ft_high);
+
+ seconds_since_1970_to_filetime(filestat.st_mtime, &ft_high, &ft_low);
+ out_uint32_le(out, ft_low); /* last_write_time */
+ out_uint32_le(out, ft_high);
+
+ seconds_since_1970_to_filetime(filestat.st_ctime, &ft_high, &ft_low);
+ out_uint32_le(out, ft_low); /* last_change_time */
+ out_uint32_le(out, ft_high);
+
+ out_uint32_le(out, file_attributes);
+ break;
+
+ case FileStandardInformation:
+
+ out_uint32_le(out, filestat.st_size); /* Allocation size */
+ out_uint32_le(out, 0);
+ out_uint32_le(out, filestat.st_size); /* End of file */
+ out_uint32_le(out, 0);
+ out_uint32_le(out, filestat.st_nlink); /* Number of links */
+ out_uint8(out, 0); /* Delete pending */
+ out_uint8(out, S_ISDIR(filestat.st_mode) ? 1 : 0); /* Directory */
+ break;
+
+ case FileObjectIdInformation:
+
+ out_uint32_le(out, file_attributes); /* File Attributes */
+ out_uint32_le(out, 0); /* Reparse Tag */
+ break;
+
+ default:
+
+ unimpl("IRP Query (File) Information class: 0x%x\n", info_class);
+ return STATUS_INVALID_PARAMETER;
+ }
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+disk_set_information(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, STREAM in, STREAM out)
+{
+ uint32 length, file_attributes, ft_high, ft_low, delete_on_close;
+ char newname[PATH_MAX], fullpath[PATH_MAX];
+ struct fileinfo *pfinfo;
+ int mode;
+ struct stat filestat;
+ time_t write_time, change_time, access_time, mod_time;
+ struct utimbuf tvs;
+ struct STATFS_T stat_fs;
+
+ pfinfo = &(This->fileinfo[handle]);
+ This->notify_stamp = True;
+
+ switch (info_class)
+ {
+ case FileBasicInformation:
+ write_time = change_time = access_time = 0;
+
+ in_uint8s(in, 4); /* Handle of root dir? */
+ in_uint8s(in, 24); /* unknown */
+
+ /* CreationTime */
+ in_uint32_le(in, ft_low);
+ in_uint32_le(in, ft_high);
+
+ /* AccessTime */
+ in_uint32_le(in, ft_low);
+ in_uint32_le(in, ft_high);
+ if (ft_low || ft_high)
+ access_time = convert_1970_to_filetime(ft_high, ft_low);
+
+ /* WriteTime */
+ in_uint32_le(in, ft_low);
+ in_uint32_le(in, ft_high);
+ if (ft_low || ft_high)
+ write_time = convert_1970_to_filetime(ft_high, ft_low);
+
+ /* ChangeTime */
+ in_uint32_le(in, ft_low);
+ in_uint32_le(in, ft_high);
+ if (ft_low || ft_high)
+ change_time = convert_1970_to_filetime(ft_high, ft_low);
+
+ in_uint32_le(in, file_attributes);
+
+ if (fstat(handle, &filestat))
+ return STATUS_ACCESS_DENIED;
+
+ tvs.modtime = filestat.st_mtime;
+ tvs.actime = filestat.st_atime;
+ if (access_time)
+ tvs.actime = access_time;
+
+
+ if (write_time || change_time)
+ mod_time = MIN(write_time, change_time);
+ else
+ mod_time = write_time ? write_time : change_time;
+
+ if (mod_time)
+ tvs.modtime = mod_time;
+
+
+ if (access_time || write_time || change_time)
+ {
+#if WITH_DEBUG_RDP5
+ printf("FileBasicInformation access time %s",
+ ctime(&tvs.actime));
+ printf("FileBasicInformation modification time %s",
+ ctime(&tvs.modtime));
+#endif
+ if (utime(pfinfo->path, &tvs) && errno != EPERM)
+ return STATUS_ACCESS_DENIED;
+ }
+
+ if (!file_attributes)
+ break; /* not valid */
+
+ mode = filestat.st_mode;
+
+ if (file_attributes & FILE_ATTRIBUTE_READONLY)
+ mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
+ else
+ mode |= S_IWUSR;
+
+ mode &= 0777;
+#if WITH_DEBUG_RDP5
+ printf("FileBasicInformation set access mode 0%o", mode);
+#endif
+
+ if (fchmod(handle, mode))
+ return STATUS_ACCESS_DENIED;
+
+ break;
+
+ case FileRenameInformation:
+
+ in_uint8s(in, 4); /* Handle of root dir? */
+ in_uint8s(in, 0x1a); /* unknown */
+ in_uint32_le(in, length);
+
+ if (length && (length / 2) < 256)
+ {
+ rdp_in_unistr(This, in, newname, length);
+ convert_to_unix_filename(newname);
+ }
+ else
+ {
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ sprintf(fullpath, "%s%s", This->rdpdr_device[pfinfo->device_id].local_path,
+ newname);
+
+ if (rename(pfinfo->path, fullpath) != 0)
+ {
+ perror("rename");
+ return STATUS_ACCESS_DENIED;
+ }
+ break;
+
+ case FileDispositionInformation:
+ /* As far as I understand it, the correct
+ thing to do here is to *schedule* a delete,
+ so it will be deleted when the file is
+ closed. Subsequent
+ FileDispositionInformation requests with
+ DeleteFile set to FALSE should unschedule
+ the delete. See
+ http://www.osronline.com/article.cfm?article=245. */
+
+ in_uint32_le(in, delete_on_close);
+
+ if (delete_on_close ||
+ (pfinfo->
+ accessmask & (FILE_DELETE_ON_CLOSE | FILE_COMPLETE_IF_OPLOCKED)))
+ {
+ pfinfo->delete_on_close = True;
+ }
+
+ break;
+
+ case FileAllocationInformation:
+ /* Fall through to FileEndOfFileInformation,
+ which uses ftrunc. This is like Samba with
+ "strict allocation = false", and means that
+ we won't detect out-of-quota errors, for
+ example. */
+
+ case FileEndOfFileInformation:
+ in_uint8s(in, 28); /* unknown */
+ in_uint32_le(in, length); /* file size */
+
+ /* prevents start of writing if not enough space left on device */
+ if (STATFS_FN(This->rdpdr_device[pfinfo->device_id].local_path, &stat_fs) == 0)
+ if (stat_fs.f_bfree * stat_fs.f_bsize < length)
+ return STATUS_DISK_FULL;
+
+ if (ftruncate_growable(handle, length) != 0)
+ {
+ return STATUS_DISK_FULL;
+ }
+
+ break;
+ default:
+
+ unimpl("IRP Set File Information class: 0x%x\n", info_class);
+ return STATUS_INVALID_PARAMETER;
+ }
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+disk_check_notify(RDPCLIENT * This, NTHANDLE handle)
+{
+ struct fileinfo *pfinfo;
+ NTSTATUS status = STATUS_PENDING;
+
+ NOTIFY notify;
+
+ pfinfo = &(This->fileinfo[handle]);
+ if (!pfinfo->pdir)
+ return STATUS_INVALID_DEVICE_REQUEST;
+
+
+
+ status = NotifyInfo(This, handle, pfinfo->info_class, ¬ify);
+
+ if (status != STATUS_PENDING)
+ return status;
+
+ if (memcmp(&pfinfo->notify, ¬ify, sizeof(NOTIFY)))
+ {
+ /*printf("disk_check_notify found changed event\n"); */
+ memcpy(&pfinfo->notify, ¬ify, sizeof(NOTIFY));
+ status = STATUS_NOTIFY_ENUM_DIR;
+ }
+
+ return status;
+
+
+}
+
+NTSTATUS
+disk_create_notify(RDPCLIENT * This, NTHANDLE handle, uint32 info_class)
+{
+
+ struct fileinfo *pfinfo;
+ NTSTATUS ret = STATUS_PENDING;
+
+ /* printf("start disk_create_notify info_class %X\n", info_class); */
+
+ pfinfo = &(This->fileinfo[handle]);
+ pfinfo->info_class = info_class;
+
+ ret = NotifyInfo(This, handle, info_class, &pfinfo->notify);
+
+ if (info_class & 0x1000)
+ { /* ???? */
+ if (ret == STATUS_PENDING)
+ return STATUS_SUCCESS;
+ }
+
+ /* printf("disk_create_notify: num_entries %d\n", pfinfo->notify.num_entries); */
+
+
+ return ret;
+
+}
+
+static NTSTATUS
+NotifyInfo(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, NOTIFY * p)
+{
+ struct fileinfo *pfinfo;
+ struct stat buf;
+ struct dirent *dp;
+ char *fullname;
+ DIR *dpr;
+
+ pfinfo = &(This->fileinfo[handle]);
+ if (fstat(handle, &buf) < 0)
+ {
+ perror("NotifyInfo");
+ return STATUS_ACCESS_DENIED;
+ }
+ p->modify_time = buf.st_mtime;
+ p->status_time = buf.st_ctime;
+ p->num_entries = 0;
+ p->total_time = 0;
+
+
+ dpr = opendir(pfinfo->path);
+ if (!dpr)
+ {
+ perror("NotifyInfo");
+ return STATUS_ACCESS_DENIED;
+ }
+
+
+ while ((dp = readdir(dpr)))
+ {
+ if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
+ continue;
+ p->num_entries++;
+ fullname = (char *) xmalloc(strlen(pfinfo->path) + strlen(dp->d_name) + 2);
+ sprintf(fullname, "%s/%s", pfinfo->path, dp->d_name);
+
+ if (!stat(fullname, &buf))
+ {
+ p->total_time += (buf.st_mtime + buf.st_ctime);
+ }
+
+ xfree(fullname);
+ }
+ closedir(dpr);
+
+ return STATUS_PENDING;
+}
+
+static FsInfoType *
+FsVolumeInfo(char *fpath)
+{
+
+ static FsInfoType info;
+#ifdef USE_SETMNTENT
+ FILE *fdfs;
+ struct mntent *e;
+#endif
+
+ /* initialize */
+ memset(&info, 0, sizeof(info));
+ strcpy(info.label, "RDESKTOP");
+ strcpy(info.type, "RDPFS");
+
+#ifdef USE_SETMNTENT
+ fdfs = setmntent(MNTENT_PATH, "r");
+ if (!fdfs)
+ return &info;
+
+ while ((e = getmntent(fdfs)))
+ {
+ if (str_startswith(e->mnt_dir, fpath))
+ {
+ strcpy(info.type, e->mnt_type);
+ strcpy(info.name, e->mnt_fsname);
+ if (strstr(e->mnt_opts, "vfat") || strstr(e->mnt_opts, "iso9660"))
+ {
+ int fd = open(e->mnt_fsname, O_RDONLY);
+ if (fd >= 0)
+ {
+ unsigned char buf[512];
+ memset(buf, 0, sizeof(buf));
+ if (strstr(e->mnt_opts, "vfat"))
+ /*FAT*/
+ {
+ strcpy(info.type, "vfat");
+ read(fd, buf, sizeof(buf));
+ info.serial =
+ (buf[42] << 24) + (buf[41] << 16) +
+ (buf[40] << 8) + buf[39];
+ strncpy(info.label, buf + 43, 10);
+ info.label[10] = '\0';
+ }
+ else if (lseek(fd, 32767, SEEK_SET) >= 0) /* ISO9660 */
+ {
+ read(fd, buf, sizeof(buf));
+ strncpy(info.label, buf + 41, 32);
+ info.label[32] = '\0';
+ /* info.Serial = (buf[128]<<24)+(buf[127]<<16)+(buf[126]<<8)+buf[125]; */
+ }
+ close(fd);
+ }
+ }
+ }
+ }
+ endmntent(fdfs);
+#else
+ /* initialize */
+ memset(&info, 0, sizeof(info));
+ strcpy(info.label, "RDESKTOP");
+ strcpy(info.type, "RDPFS");
+
+#endif
+ return &info;
+}
+
+
+NTSTATUS
+disk_query_volume_information(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, STREAM out)
+{
+ struct STATFS_T stat_fs;
+ struct fileinfo *pfinfo;
+ FsInfoType *fsinfo;
+
+ pfinfo = &(This->fileinfo[handle]);
+
+ if (STATFS_FN(pfinfo->path, &stat_fs) != 0)
+ {
+ perror("statfs");
+ return STATUS_ACCESS_DENIED;
+ }
+
+ fsinfo = FsVolumeInfo(pfinfo->path);
+
+ switch (info_class)
+ {
+ case FileFsVolumeInformation:
+
+ out_uint32_le(out, 0); /* volume creation time low */
+ out_uint32_le(out, 0); /* volume creation time high */
+ out_uint32_le(out, fsinfo->serial); /* serial */
+
+ out_uint32_le(out, 2 * strlen(fsinfo->label)); /* length of string */
+
+ out_uint8(out, 0); /* support objects? */
+ rdp_out_unistr(This, out, fsinfo->label, 2 * strlen(fsinfo->label) - 2);
+ break;
+
+ case FileFsSizeInformation:
+
+ out_uint32_le(out, stat_fs.f_blocks); /* Total allocation units low */
+ out_uint32_le(out, 0); /* Total allocation high units */
+ out_uint32_le(out, stat_fs.f_bfree); /* Available allocation units */
+ out_uint32_le(out, 0); /* Available allowcation units */
+ out_uint32_le(out, stat_fs.f_bsize / 0x200); /* Sectors per allocation unit */
+ out_uint32_le(out, 0x200); /* Bytes per sector */
+ break;
+
+ case FileFsAttributeInformation:
+
+ out_uint32_le(out, FS_CASE_SENSITIVE | FS_CASE_IS_PRESERVED); /* fs attributes */
+ out_uint32_le(out, F_NAMELEN(stat_fs)); /* max length of filename */
+
+ out_uint32_le(out, 2 * strlen(fsinfo->type)); /* length of fs_type */
+ rdp_out_unistr(This, out, fsinfo->type, 2 * strlen(fsinfo->type) - 2);
+ break;
+
+ case FileFsLabelInformation:
+ case FileFsDeviceInformation:
+ case FileFsControlInformation:
+ case FileFsFullSizeInformation:
+ case FileFsObjectIdInformation:
+ case FileFsMaximumInformation:
+
+ default:
+
+ unimpl("IRP Query Volume Information class: 0x%x\n", info_class);
+ return STATUS_INVALID_PARAMETER;
+ }
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+disk_query_directory(RDPCLIENT * This, NTHANDLE handle, uint32 info_class, char *pattern, STREAM out)
+{
+ uint32 file_attributes, ft_low, ft_high;
+ char *dirname, fullpath[PATH_MAX];
+ DIR *pdir;
+ struct dirent *pdirent;
+ struct stat fstat;
+ struct fileinfo *pfinfo;
+
+ pfinfo = &(This->fileinfo[handle]);
+ pdir = pfinfo->pdir;
+ dirname = pfinfo->path;
+ file_attributes = 0;
+
+ switch (info_class)
+ {
+ case FileBothDirectoryInformation:
+
+ /* If a search pattern is received, remember this pattern, and restart search */
+ if (pattern[0] != 0)
+ {
+ strncpy(pfinfo->pattern, 1 + strrchr(pattern, '/'), PATH_MAX - 1);
+ rewinddir(pdir);
+ }
+
+ /* find next dirent matching pattern */
+ pdirent = readdir(pdir);
+ while (pdirent && fnmatch(pfinfo->pattern, pdirent->d_name, 0) != 0)
+ pdirent = readdir(pdir);
+
+ if (pdirent == NULL)
+ return STATUS_NO_MORE_FILES;
+
+ /* Get information for directory entry */
+ sprintf(fullpath, "%s/%s", dirname, pdirent->d_name);
+
+ if (stat(fullpath, &fstat))
+ {
+ switch (errno)
+ {
+ case ENOENT:
+ case ELOOP:
+ case EACCES:
+ /* These are non-fatal errors. */
+ memset(&fstat, 0, sizeof(fstat));
+ break;
+ default:
+ /* Fatal error. By returning STATUS_NO_SUCH_FILE,
+ the directory list operation will be aborted */
+ perror(fullpath);
+ out_uint8(out, 0);
+ return STATUS_NO_SUCH_FILE;
+ }
+ }
+
+ if (S_ISDIR(fstat.st_mode))
+ file_attributes |= FILE_ATTRIBUTE_DIRECTORY;
+ if (pdirent->d_name[0] == '.')
+ file_attributes |= FILE_ATTRIBUTE_HIDDEN;
+ if (!file_attributes)
+ file_attributes |= FILE_ATTRIBUTE_NORMAL;
+ if (!(fstat.st_mode & S_IWUSR))
+ file_attributes |= FILE_ATTRIBUTE_READONLY;
+
+ /* Return requested information */
+ out_uint8s(out, 8); /* unknown zero */
+
+ seconds_since_1970_to_filetime(get_create_time(&fstat), &ft_high, &ft_low);
+ out_uint32_le(out, ft_low); /* create time */
+ out_uint32_le(out, ft_high);
+
+ seconds_since_1970_to_filetime(fstat.st_atime, &ft_high, &ft_low);
+ out_uint32_le(out, ft_low); /* last_access_time */
+ out_uint32_le(out, ft_high);
+
+ seconds_since_1970_to_filetime(fstat.st_mtime, &ft_high, &ft_low);
+ out_uint32_le(out, ft_low); /* last_write_time */
+ out_uint32_le(out, ft_high);
+
+ seconds_since_1970_to_filetime(fstat.st_ctime, &ft_high, &ft_low);
+ out_uint32_le(out, ft_low); /* change_write_time */
+ out_uint32_le(out, ft_high);
+
+ out_uint32_le(out, fstat.st_size); /* filesize low */
+ out_uint32_le(out, 0); /* filesize high */
+ out_uint32_le(out, fstat.st_size); /* filesize low */
+ out_uint32_le(out, 0); /* filesize high */
+ out_uint32_le(out, file_attributes);
+ out_uint8(out, 2 * strlen(pdirent->d_name) + 2); /* unicode length */
+ out_uint8s(out, 7); /* pad? */
+ out_uint8(out, 0); /* 8.3 file length */
+ out_uint8s(out, 2 * 12); /* 8.3 unicode length */
+ rdp_out_unistr(This, out, pdirent->d_name, 2 * strlen(pdirent->d_name));
+ break;
+
+ default:
+ /* FIXME: Support FileDirectoryInformation,
+ FileFullDirectoryInformation, and
+ FileNamesInformation */
+
+ unimpl("IRP Query Directory sub: 0x%x\n", info_class);
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+
+
+static NTSTATUS
+disk_device_control(RDPCLIENT * This, NTHANDLE handle, uint32 request, STREAM in, STREAM out)
+{
+ if (((request >> 16) != 20) || ((request >> 16) != 9))
+ return STATUS_INVALID_PARAMETER;
+
+ /* extract operation */
+ request >>= 2;
+ request &= 0xfff;
+
+ printf("DISK IOCTL %d\n", request);
+
+ switch (request)
+ {
+ case 25: /* ? */
+ case 42: /* ? */
+ default:
+ unimpl("DISK IOCTL %d\n", request);
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+DEVICE_FNS disk_fns = {
+ disk_create,
+ disk_close,
+ disk_read,
+ disk_write,
+ disk_device_control /* device_control */
+};
projects / reactos.git / blobdiff