--- sourceforge.net/trunk/rdesktop/disk.c 2004/08/09 11:40:41 745 +++ sourceforge.net/trunk/rdesktop/disk.c 2005/03/15 11:25:50 865 @@ -18,6 +18,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include "rdesktop.h" #include "disk.h" #include @@ -31,7 +32,7 @@ #include #include /* ctime */ -#if defined(HAVE_DIRFD) +#if (defined(HAVE_DIRFD) || (HAVE_DECL_DIRFD == 1)) #define DIRFD(a) (dirfd(a)) #else #define DIRFD(a) ((a)->DIR_FD_MEMBER_NAME) @@ -52,7 +53,7 @@ #define STATFS_T statvfs #define F_NAMELEN(buf) ((buf).f_namemax) -#elif (defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) +#elif (defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__APPLE__)) #include #include #define STATFS_FN(path, buf) (statfs(path,buf)) @@ -66,6 +67,12 @@ #define STATFS_T statvfs #define F_NAMELEN(buf) ((buf).f_namemax) +#elif (defined(__alpha) && !defined(linux)) +#include /* osf1 statfs */ +#define STATFS_FN(path, buf) (statfs(path,buf,sizeof(buf))) +#define STATFS_T statfs +#define F_NAMELEN(buf) (255) + #else #include /* linux statfs */ #include @@ -76,11 +83,10 @@ #define F_NAMELEN(buf) ((buf).f_namelen) #endif -#include "rdesktop.h" - extern RDPDR_DEVICE g_rdpdr_device[]; FILEINFO g_fileinfo[MAX_OPEN_FILES]; +BOOL g_notify_stamp = False; typedef struct { @@ -90,6 +96,7 @@ char type[256]; } FsInfoType; +static NTSTATUS NotifyInfo(NTHANDLE handle, uint32 info_class, NOTIFY * p); static time_t get_create_time(struct stat *st) @@ -132,6 +139,115 @@ } +/* 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; + + /* 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. */ @@ -144,21 +260,19 @@ char *pos2; int count = 0; - // skip the first colon + /* skip the first colon */ optarg++; while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES) { pos2 = next_arg(optarg, '='); - strcpy(g_rdpdr_device[*id].name, optarg); - toupper_str(g_rdpdr_device[*id].name); - - /* add trailing colon to name. */ - strcat(g_rdpdr_device[*id].name, ":"); + strncpy(g_rdpdr_device[*id].name, optarg, sizeof(g_rdpdr_device[*id].name) - 1); + if (strlen(optarg) > (sizeof(g_rdpdr_device[*id].name) - 1)) + fprintf(stderr, "share name %s truncated to %s\n", optarg, + g_rdpdr_device[*id].name); g_rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1); strcpy(g_rdpdr_device[*id].local_path, pos2); - printf("DISK %s to %s\n", g_rdpdr_device[*id].name, g_rdpdr_device[*id].local_path); g_rdpdr_device[*id].device_type = DEVICE_TYPE_DISK; count++; (*id)++; @@ -171,9 +285,9 @@ /* Opens or creates a file or directory */ static NTSTATUS disk_create(uint32 device_id, uint32 accessmask, uint32 sharemode, uint32 create_disposition, - uint32 flags_and_attributes, char *filename, HANDLE * phandle) + uint32 flags_and_attributes, char *filename, NTHANDLE * phandle) { - HANDLE handle; + NTHANDLE handle; DIR *dirp; int flags, mode; char path[256]; @@ -184,8 +298,7 @@ flags = 0; mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; - - if (filename[strlen(filename) - 1] == '/') + if (*filename && filename[strlen(filename) - 1] == '/') filename[strlen(filename) - 1] = 0; sprintf(path, "%s%s", g_rdpdr_device[device_id].local_path, filename); @@ -193,38 +306,38 @@ { case CREATE_ALWAYS: - // Delete existing file/link. + /* Delete existing file/link. */ unlink(path); flags |= O_CREAT; break; case CREATE_NEW: - // If the file already exists, then fail. + /* If the file already exists, then fail. */ flags |= O_CREAT | O_EXCL; break; case OPEN_ALWAYS: - // Create if not already exists. + /* Create if not already exists. */ flags |= O_CREAT; break; case OPEN_EXISTING: - // Default behaviour + /* Default behaviour */ break; case TRUNCATE_EXISTING: - // If the file does not exist, then fail. + /* If the file does not exist, then fail. */ flags |= O_TRUNC; break; } - //printf("Open: \"%s\" flags: %u, accessmask: %u sharemode: %u create disp: %u\n", path, flags_and_attributes, accessmask, sharemode, create_disposition); + /*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 + /* 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) @@ -278,7 +391,7 @@ flags |= O_RDONLY; } - handle = open(path, flags, mode); + handle = open_weak_exclusive(path, flags, mode); if (handle == -1) { switch (errno) @@ -318,36 +431,69 @@ if (dirp) g_fileinfo[handle].pdir = dirp; + else + g_fileinfo[handle].pdir = NULL; + g_fileinfo[handle].device_id = device_id; g_fileinfo[handle].flags_and_attributes = flags_and_attributes; + g_fileinfo[handle].accessmask = accessmask; strncpy(g_fileinfo[handle].path, path, 255); + g_fileinfo[handle].delete_on_close = False; + g_notify_stamp = True; *phandle = handle; return STATUS_SUCCESS; } static NTSTATUS -disk_close(HANDLE handle) +disk_close(NTHANDLE handle) { struct fileinfo *pfinfo; pfinfo = &(g_fileinfo[handle]); - if (pfinfo->flags_and_attributes & FILE_DIRECTORY_FILE) + g_notify_stamp = True; + + rdpdr_abort_io(handle, 0, STATUS_CANCELLED); + + if (pfinfo->pdir) { - closedir(pfinfo->pdir); - //FIXME: Should check exit code + 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 { - close(handle); + 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(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) +disk_read(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) { int n; @@ -371,7 +517,10 @@ switch (errno) { case EISDIR: - return STATUS_FILE_IS_A_DIRECTORY; + /* 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; @@ -384,7 +533,7 @@ } static NTSTATUS -disk_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) +disk_write(NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) { int n; @@ -411,7 +560,7 @@ } NTSTATUS -disk_query_information(HANDLE handle, uint32 info_class, STREAM out) +disk_query_information(NTHANDLE handle, uint32 info_class, STREAM out) { uint32 file_attributes, ft_high, ft_low; struct stat filestat; @@ -419,7 +568,7 @@ path = g_fileinfo[handle].path; - // Get information about file + /* Get information about file */ if (fstat(handle, &filestat) != 0) { perror("stat"); @@ -427,7 +576,7 @@ return STATUS_ACCESS_DENIED; } - // Set file attributes + /* Set file attributes */ file_attributes = 0; if (S_ISDIR(filestat.st_mode)) file_attributes |= FILE_ATTRIBUTE_DIRECTORY; @@ -442,25 +591,25 @@ if (!(filestat.st_mode & S_IWUSR)) file_attributes |= FILE_ATTRIBUTE_READONLY; - // Return requested data + /* 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_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_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_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_low); /* last_change_time */ out_uint32_le(out, ft_high); out_uint32_le(out, file_attributes); @@ -468,13 +617,13 @@ case FileStandardInformation: - out_uint32_le(out, filestat.st_size); //Allocation size + 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, 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 + 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: @@ -492,12 +641,11 @@ } NTSTATUS -disk_set_information(HANDLE handle, uint32 info_class, STREAM in, STREAM out) +disk_set_information(NTHANDLE handle, uint32 info_class, STREAM in, STREAM out) { - uint32 device_id, length, file_attributes, ft_high, ft_low; + uint32 length, file_attributes, ft_high, ft_low, delete_on_close; char newname[256], fullpath[256]; struct fileinfo *pfinfo; - int mode; struct stat filestat; time_t write_time, change_time, access_time, mod_time; @@ -505,6 +653,7 @@ struct STATFS_T stat_fs; pfinfo = &(g_fileinfo[handle]); + g_notify_stamp = True; switch (info_class) { @@ -514,23 +663,23 @@ in_uint8s(in, 4); /* Handle of root dir? */ in_uint8s(in, 24); /* unknown */ - // CreationTime + /* CreationTime */ in_uint32_le(in, ft_low); in_uint32_le(in, ft_high); - // AccessTime + /* 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 + /* 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 + /* ChangeTime */ in_uint32_le(in, ft_low); in_uint32_le(in, ft_high); if (ft_low || ft_high) @@ -564,12 +713,12 @@ printf("FileBasicInformation modification time %s", ctime(&tvs.modtime)); #endif - if (utime(pfinfo->path, &tvs)) + if (utime(pfinfo->path, &tvs) && errno != EPERM) return STATUS_ACCESS_DENIED; } if (!file_attributes) - break; // not valid + break; /* not valid */ mode = filestat.st_mode; @@ -622,25 +771,16 @@ FileDispositionInformation requests with DeleteFile set to FALSE should unschedule the delete. See - http://www.osronline.com/article.cfm?article=245. Currently, - we are deleting the file immediately. I - guess this is a FIXME. */ - - //in_uint32_le(in, delete_on_close); + http://www.osronline.com/article.cfm?article=245. */ - /* Make sure we close the file before - unlinking it. Not doing so would trigger - silly-delete if using NFS, which might fail - on FAT floppies, for example. */ - disk_close(handle); + in_uint32_le(in, delete_on_close); - if ((pfinfo->flags_and_attributes & FILE_DIRECTORY_FILE)) // remove a directory + if (delete_on_close || + (pfinfo-> + accessmask & (FILE_DELETE_ON_CLOSE | FILE_COMPLETE_IF_OPLOCKED))) { - if (rmdir(pfinfo->path) < 0) - return STATUS_ACCESS_DENIED; + pfinfo->delete_on_close = True; } - else if (unlink(pfinfo->path) < 0) // unlink a file - return STATUS_ACCESS_DENIED; break; @@ -657,14 +797,11 @@ /* prevents start of writing if not enough space left on device */ if (STATFS_FN(g_rdpdr_device[pfinfo->device_id].local_path, &stat_fs) == 0) - if (stat_fs.f_bsize * stat_fs.f_bfree < length) + if (stat_fs.f_bfree * stat_fs.f_bsize < length) return STATUS_DISK_FULL; - /* FIXME: Growing file with ftruncate doesn't - work with Linux FAT fs */ - if (ftruncate(handle, length) != 0) + if (ftruncate_growable(handle, length) != 0) { - perror("ftruncate"); return STATUS_DISK_FULL; } @@ -677,20 +814,129 @@ return STATUS_SUCCESS; } +NTSTATUS +disk_check_notify(NTHANDLE handle) +{ + struct fileinfo *pfinfo; + NTSTATUS status = STATUS_PENDING; + + NOTIFY notify; + + pfinfo = &(g_fileinfo[handle]); + if (!pfinfo->pdir) + return STATUS_INVALID_DEVICE_REQUEST; + + + + status = NotifyInfo(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(NTHANDLE handle, uint32 info_class) +{ + + struct fileinfo *pfinfo; + NTSTATUS ret = STATUS_PENDING; + + /* printf("start disk_create_notify info_class %X\n", info_class); */ + + pfinfo = &(g_fileinfo[handle]); + pfinfo->info_class = info_class; + + ret = NotifyInfo(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(NTHANDLE handle, uint32 info_class, NOTIFY * p) +{ + struct fileinfo *pfinfo; + struct stat buf; + struct dirent *dp; + char *fullname; + DIR *dpr; + + pfinfo = &(g_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 = 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 HAVE_MNTENT_H FILE *fdfs; struct mntent *e; - static FsInfoType info; +#endif /* initialize */ memset(&info, 0, sizeof(info)); strcpy(info.label, "RDESKTOP"); strcpy(info.type, "RDPFS"); +#ifdef HAVE_MNTENT_H fdfs = setmntent(MNTENT_PATH, "r"); if (!fdfs) return &info; @@ -724,7 +970,7 @@ 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]; + /* info.Serial = (buf[128]<<24)+(buf[127]<<16)+(buf[126]<<8)+buf[125]; */ } close(fd); } @@ -733,8 +979,6 @@ } endmntent(fdfs); #else - static FsInfoType info; - /* initialize */ memset(&info, 0, sizeof(info)); strcpy(info.label, "RDESKTOP"); @@ -746,7 +990,7 @@ NTSTATUS -disk_query_volume_information(HANDLE handle, uint32 info_class, STREAM out) +disk_query_volume_information(NTHANDLE handle, uint32 info_class, STREAM out) { struct STATFS_T stat_fs; struct fileinfo *pfinfo; @@ -811,7 +1055,7 @@ } NTSTATUS -disk_query_directory(HANDLE handle, uint32 info_class, char *pattern, STREAM out) +disk_query_directory(NTHANDLE handle, uint32 info_class, char *pattern, STREAM out) { uint32 file_attributes, ft_low, ft_high; char *dirname, fullpath[256]; @@ -829,14 +1073,14 @@ { case FileBothDirectoryInformation: - // If a search pattern is received, remember this pattern, and restart search + /* If a search pattern is received, remember this pattern, and restart search */ if (pattern[0] != 0) { strncpy(pfinfo->pattern, 1 + strrchr(pattern, '/'), 64); rewinddir(pdir); } - // find next dirent matching pattern + /* find next dirent matching pattern */ pdirent = readdir(pdir); while (pdirent && fnmatch(pfinfo->pattern, pdirent->d_name, 0) != 0) pdirent = readdir(pdir); @@ -844,7 +1088,7 @@ if (pdirent == NULL) return STATUS_NO_MORE_FILES; - // Get information for directory entry + /* Get information for directory entry */ sprintf(fullpath, "%s/%s", dirname, pdirent->d_name); if (stat(fullpath, &fstat)) @@ -875,34 +1119,34 @@ if (!(fstat.st_mode & S_IWUSR)) file_attributes |= FILE_ATTRIBUTE_READONLY; - // Return requested information - out_uint8s(out, 8); //unknown zero + /* 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_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_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_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_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, 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 + 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(out, pdirent->d_name, 2 * strlen(pdirent->d_name)); break; @@ -921,10 +1165,8 @@ static NTSTATUS -disk_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out) +disk_device_control(NTHANDLE handle, uint32 request, STREAM in, STREAM out) { - uint32 result; - if (((request >> 16) != 20) || ((request >> 16) != 9)) return STATUS_INVALID_PARAMETER; @@ -936,8 +1178,8 @@ switch (request) { - case 25: // ? - case 42: // ? + case 25: /* ? */ + case 42: /* ? */ default: unimpl("DISK IOCTL %d\n", request); return STATUS_INVALID_PARAMETER;