mirror of
https://github.com/winfsp/winfsp.git
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dll: fuse: implementation checkpoint
This commit is contained in:
Bill Zissimopoulos
parent
88b13082cb
commit
dddb55243b
@ -17,6 +17,12 @@
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#include <dll/fuse/library.h>
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struct fuse_chan
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{
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PWSTR MountPoint;
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UINT8 Buffer[];
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};
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#define FSP_FUSE_CORE_OPT(n, f, v) { n, offsetof(struct fsp_fuse_core_opt_data, f), v }
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struct fsp_fuse_core_opt_data
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@ -96,22 +102,6 @@ static struct fuse_opt fsp_fuse_core_opts[] =
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FUSE_OPT_END,
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};
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struct fuse_chan
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{
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PWSTR MountPoint;
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UINT8 Buffer[];
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};
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struct fuse
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{
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FSP_FILE_SYSTEM *FileSystem;
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FSP_SERVICE *Service;
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struct fuse_operations ops;
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void *data;
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int environment;
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CRITICAL_SECTION Lock;
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};
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static DWORD fsp_fuse_tlskey = TLS_OUT_OF_INDEXES;
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static INIT_ONCE fsp_fuse_initonce_v = INIT_ONCE_STATIC_INIT;
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@ -216,69 +206,9 @@ FSP_FUSE_API int fsp_fuse_is_lib_option(struct fsp_fuse_env *env,
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return fsp_fuse_opt_match(env, fsp_fuse_core_opts, opt);
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}
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static void fsp_fuse_cleanup(struct fuse *f);
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static NTSTATUS fsp_fuse_svcstart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
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{
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struct fuse *f = Service->UserContext;
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return FspFileSystemStartDispatcher(f->FileSystem, 0);
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}
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static NTSTATUS fsp_fuse_svcstop(FSP_SERVICE *Service)
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{
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struct fuse *f = Service->UserContext;
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FspFileSystemStopDispatcher(f->FileSystem);
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return STATUS_SUCCESS;
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}
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static int fsp_fuse_core_opt_proc(void *opt_data0, const char *arg, int key,
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struct fuse_args *outargs)
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{
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struct fsp_fuse_core_opt_data *opt_data = opt_data0;
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switch (key)
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{
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default:
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return 1;
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case 'h':
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FspServiceLog(EVENTLOG_ERROR_TYPE, L""
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LIBRARY_NAME "-FUSE options:\n"
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" -o SectorSize=N sector size for Windows (512-4096, deflt: 4096)\n"
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" -o SectorsPerAllocationUnit=N allocation unit size (deflt: 1*SectorSize)\n"
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" -o MaxComponentLength=N max file name component length (deflt: 255)\n"
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" -o VolumeCreationTime=T volume creation time (FILETIME hex format)\n"
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" -o VolumeSerialNumber=N 32-bit wide\n"
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" -o FileInfoTimeout=N FileInfo/Security/VolumeInfo timeout (millisec)\n"
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" -o CaseInsensitiveSearch file system supports case-insensitive file names\n"
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" -o PersistentAcls file system preserves and enforces ACL's\n"
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//" -o ReparsePoints file system supports reparse points\n"
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//" -o NamedStreams file system supports named streams\n"
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//" -o ReadOnlyVolume file system is read only\n"
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" --UNC=U --VolumePrefix=U UNC prefix (\\Server\\Share)\n");
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opt_data->help = 1;
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return 1;
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case 'V':
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FspServiceLog(EVENTLOG_ERROR_TYPE, L""
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LIBRARY_NAME "-FUSE version %d.%d",
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FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION);
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opt_data->help = 1;
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return 1;
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case 'U':
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if ('U' == arg[2])
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arg += sizeof "--UNC" - 1;
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else if ('V' == arg[2])
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arg += sizeof "--VolumePrefix" - 1;
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if (0 == MultiByteToWideChar(CP_UTF8, 0, arg, -1,
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opt_data->VolumeParams.Prefix, sizeof opt_data->VolumeParams.Prefix / sizeof(WCHAR)))
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return -1;
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return 0;
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}
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}
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FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
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struct fuse_chan *ch, struct fuse_args *args,
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const struct fuse_operations *ops, size_t opsize, void *data)
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{
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static FSP_FILE_SYSTEM_INTERFACE intf =
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{
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@ -286,46 +216,19 @@ FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
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0,
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fsp_fuse_op_get_security_by_name,
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};
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struct fsp_fuse_core_opt_data opt_data;
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struct fuse_conn_info conn;
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struct fuse *f = Service->UserContext;
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struct fuse_context *context;
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struct fuse *f = 0;
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PWSTR ServiceName = FspDiagIdent();
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PWSTR ErrorMessage = L".";
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struct fuse_conn_info conn;
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NTSTATUS Result;
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BOOLEAN FsInit = FALSE;
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memset(&opt_data, 0, sizeof opt_data);
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opt_data.env = env;
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if (-1 == fsp_fuse_opt_parse(env, args, &opt_data, fsp_fuse_core_opts, fsp_fuse_core_opt_proc))
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return 0;
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if (opt_data.help)
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return 0;
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opt_data.VolumeParams.VolumeCreationTime = *(PUINT64)&opt_data.VolumeCreationTime;
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if (0 == opt_data.VolumeParams.VolumeCreationTime)
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{
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FILETIME FileTime;
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GetSystemTimeAsFileTime(&FileTime);
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opt_data.VolumeParams.VolumeCreationTime = *(PUINT64)&FileTime;
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}
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if (0 == opt_data.VolumeParams.VolumeSerialNumber)
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opt_data.VolumeParams.VolumeSerialNumber =
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((PLARGE_INTEGER)&opt_data.VolumeParams.VolumeCreationTime)->HighPart ^
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((PLARGE_INTEGER)&opt_data.VolumeParams.VolumeCreationTime)->LowPart;
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if (!opt_data.set_FileInfoTimeout && opt_data.set_attr_timeout)
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opt_data.VolumeParams.FileInfoTimeout = opt_data.set_attr_timeout * 1000;
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opt_data.VolumeParams.CaseSensitiveSearch = !opt_data.CaseInsensitiveSearch;
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opt_data.VolumeParams.PersistentAcls = !!opt_data.PersistentAcls;
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opt_data.VolumeParams.ReparsePoints = !!opt_data.ReparsePoints;
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opt_data.VolumeParams.NamedStreams = !!opt_data.NamedStreams;
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opt_data.VolumeParams.ReadOnlyVolume = !!opt_data.ReadOnlyVolume;
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context = fsp_fuse_get_context(env);
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context = fsp_fuse_get_context(f->env);
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if (0 == context)
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{
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Result = STATUS_INSUFFICIENT_RESOURCES;
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goto fail;
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context->private_data = data;
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}
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context->fuse = f;
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context->private_data = f->data;
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memset(&conn, 0, sizeof conn);
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conn.proto_major = 7; /* pretend that we are FUSE kernel protocol 7.12 */
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@ -339,10 +242,10 @@ FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
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//FUSE_CAP_EXPORT_SUPPORT | /* not needed in Windows/WinFsp */
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FUSE_CAP_BIG_WRITES |
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FUSE_CAP_DONT_MASK;
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if (0 != ops->init)
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context->private_data = ops->init(&conn);
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FsInit = TRUE;
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if (0 != ops->statfs)
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if (0 != f->ops.init)
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context->private_data = f->data = f->ops.init(&conn);
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f->fsinit = TRUE;
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if (0 != f->ops.statfs)
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{
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union
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{
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@ -352,35 +255,66 @@ FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
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struct fuse_statvfs fspbuf;
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int err;
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err = ops->statfs("/", (void *)&buf);
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err = f->ops.statfs("/", (void *)&buf);
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if (0 != err)
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goto fail;
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fsp_fuse_op_get_statvfs_buf(env->environment, &buf, &fspbuf);
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fsp_fuse_get_statvfs_buf(f->env, &buf, &fspbuf);
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opt_data.VolumeParams.SectorSize = (UINT16)fspbuf.f_bsize;
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opt_data.VolumeParams.MaxComponentLength = (UINT16)fspbuf.f_namemax;
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if (0 == f->VolumeParams.SectorSize)
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f->VolumeParams.SectorSize = (UINT16)fspbuf.f_bsize;
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if (0 == f->VolumeParams.MaxComponentLength)
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f->VolumeParams.MaxComponentLength = (UINT16)fspbuf.f_namemax;
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}
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if (0 != f->ops.getattr)
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{
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union
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{
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struct cyg_stat cygbuf;
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struct fuse_stat fspbuf;
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} buf;
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struct fuse_stat fspbuf;
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int err;
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err = f->ops.getattr("/", (void *)&buf);
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if (0 != err)
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goto fail;
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fsp_fuse_get_stat_buf(f->env, &buf, &fspbuf);
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if (0 == f->VolumeParams.VolumeCreationTime)
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f->VolumeParams.VolumeCreationTime = 0;
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}
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/* !!!: the FSD does not currently limit the VolumeParams fields! */
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/* the FSD does not currently limit these VolumeParams fields; do so here! */
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if (f->VolumeParams.SectorSize < 512)
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f->VolumeParams.SectorSize = 512;
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if (f->VolumeParams.SectorSize < 4096)
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f->VolumeParams.SectorSize = 4096;
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if (f->VolumeParams.MaxComponentLength > 255)
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f->VolumeParams.MaxComponentLength = 255;
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f = MemAlloc(sizeof *f);
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if (0 == f)
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goto fail;
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memset(f, 0, sizeof *f);
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if (0 == f->VolumeParams.VolumeCreationTime)
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{
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FILETIME FileTime;
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GetSystemTimeAsFileTime(&FileTime);
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f->VolumeParams.VolumeCreationTime = *(PUINT64)&FileTime;
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}
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if (0 == f->VolumeParams.VolumeSerialNumber)
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f->VolumeParams.VolumeSerialNumber =
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((PLARGE_INTEGER)&f->VolumeParams.VolumeCreationTime)->HighPart ^
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((PLARGE_INTEGER)&f->VolumeParams.VolumeCreationTime)->LowPart;
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Result = FspServiceCreate(ServiceName, fsp_fuse_svcstart, fsp_fuse_svcstop, 0, &f->Service);
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if (!NT_SUCCESS(Result))
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goto fail;
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FspServiceAllowConsoleMode(f->Service);
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f->Service->UserContext = f;
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Result = FspFileSystemCreate(L"" FSP_FSCTL_NET_DEVICE_NAME, &opt_data.VolumeParams, &intf,
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Result = FspFileSystemCreate(
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f->VolumeParams.Prefix[0] ?
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L"" FSP_FSCTL_NET_DEVICE_NAME : L"" FSP_FSCTL_DISK_DEVICE_NAME,
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&f->VolumeParams, &intf,
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&f->FileSystem);
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if (!NT_SUCCESS(Result))
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{
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ErrorMessage = L": cannot create " LIBRARY_NAME " file system object.";
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FspServiceLog(EVENTLOG_ERROR_TYPE,
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L"Cannot create " FSP_FUSE_LIBRARY_NAME " file system.");
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goto fail;
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}
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f->FileSystem->UserContext = f;
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FspFileSystemSetOperation(f->FileSystem, FspFsctlTransactCreateKind,
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fsp_fuse_op_create);
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@ -412,48 +346,167 @@ FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
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fsp_fuse_op_set_security);
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//FspFileSystemSetOperationGuard(f->FileSystem, 0, 0);
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if (opt_data.debug)
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FspFileSystemSetDebugLog(f->FileSystem, -1);
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FspFileSystemSetDebugLog(f->FileSystem, f->DebugLog);
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if (L'\0' != ch->MountPoint)
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if (L'\0' != f->MountPoint)
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{
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Result = FspFileSystemSetMountPoint(f->FileSystem,
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L'*' == ch->MountPoint[0] && L'\0' == ch->MountPoint[1] ? 0 : ch->MountPoint);
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L'*' == f->MountPoint[0] && L'\0' == f->MountPoint[1] ? 0 : f->MountPoint);
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if (!NT_SUCCESS(Result))
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{
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ErrorMessage = L": cannot set mount point.";
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FspServiceLog(EVENTLOG_ERROR_TYPE,
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L"Cannot set " FSP_FUSE_LIBRARY_NAME " file system mount point.");
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goto fail;
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}
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}
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memcpy(&f->ops, ops, opsize);
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f->data = context->private_data;
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f->environment = env->environment;
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InitializeCriticalSection(&f->Lock);
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Result = FspFileSystemStartDispatcher(f->FileSystem, 0);
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if (!NT_SUCCESS(Result))
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{
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FspServiceLog(EVENTLOG_ERROR_TYPE,
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L"Cannot start " FSP_FUSE_LIBRARY_NAME " file system dispatcher.");
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goto fail;
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}
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context->fuse = f;
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return STATUS_SUCCESS;
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fail:
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fsp_fuse_cleanup(f);
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return Result;
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}
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static NTSTATUS fsp_fuse_svcstop(FSP_SERVICE *Service)
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{
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struct fuse *f = Service->UserContext;
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FspFileSystemStopDispatcher(f->FileSystem);
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fsp_fuse_cleanup(f);
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return STATUS_SUCCESS;
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}
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static void fsp_fuse_cleanup(struct fuse *f)
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{
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if (0 != f->FileSystem)
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{
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FspFileSystemDelete(f->FileSystem);
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f->FileSystem = 0;
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}
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if (f->fsinit)
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{
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if (f->ops.destroy)
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f->ops.destroy(f->data);
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f->fsinit = FALSE;
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}
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}
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static int fsp_fuse_core_opt_proc(void *opt_data0, const char *arg, int key,
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struct fuse_args *outargs)
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{
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struct fsp_fuse_core_opt_data *opt_data = opt_data0;
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switch (key)
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{
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default:
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return 1;
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case 'h':
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FspServiceLog(EVENTLOG_ERROR_TYPE, L""
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FSP_FUSE_LIBRARY_NAME " options:\n"
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" -o SectorSize=N sector size for Windows (512-4096, deflt: 4096)\n"
|
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" -o SectorsPerAllocationUnit=N allocation unit size (deflt: 1*SectorSize)\n"
|
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" -o MaxComponentLength=N max file name component length (deflt: 255)\n"
|
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" -o VolumeCreationTime=T volume creation time (FILETIME hex format)\n"
|
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" -o VolumeSerialNumber=N 32-bit wide\n"
|
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" -o FileInfoTimeout=N FileInfo/Security/VolumeInfo timeout (millisec)\n"
|
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" -o CaseInsensitiveSearch file system supports case-insensitive file names\n"
|
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" -o PersistentAcls file system preserves and enforces ACL's\n"
|
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//" -o ReparsePoints file system supports reparse points\n"
|
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//" -o NamedStreams file system supports named streams\n"
|
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//" -o ReadOnlyVolume file system is read only\n"
|
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" --UNC=U --VolumePrefix=U UNC prefix (\\Server\\Share)\n");
|
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opt_data->help = 1;
|
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return 1;
|
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case 'V':
|
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FspServiceLog(EVENTLOG_ERROR_TYPE, L""
|
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FSP_FUSE_LIBRARY_NAME " version %d.%d",
|
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FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION);
|
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opt_data->help = 1;
|
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return 1;
|
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case 'U':
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if ('U' == arg[2])
|
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arg += sizeof "--UNC" - 1;
|
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else if ('V' == arg[2])
|
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arg += sizeof "--VolumePrefix" - 1;
|
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if (0 == MultiByteToWideChar(CP_UTF8, 0, arg, -1,
|
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opt_data->VolumeParams.Prefix, sizeof opt_data->VolumeParams.Prefix / sizeof(WCHAR)))
|
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return -1;
|
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return 0;
|
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}
|
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}
|
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|
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FSP_FUSE_API struct fuse *fsp_fuse_new(struct fsp_fuse_env *env,
|
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struct fuse_chan *ch, struct fuse_args *args,
|
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const struct fuse_operations *ops, size_t opsize, void *data)
|
||||
{
|
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struct fuse *f = 0;
|
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struct fsp_fuse_core_opt_data opt_data;
|
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ULONG Size;
|
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NTSTATUS Result;
|
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|
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if (opsize > sizeof(struct fuse_operations))
|
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opsize = sizeof(struct fuse_operations);
|
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|
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memset(&opt_data, 0, sizeof opt_data);
|
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opt_data.env = env;
|
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|
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if (-1 == fsp_fuse_opt_parse(env, args, &opt_data, fsp_fuse_core_opts, fsp_fuse_core_opt_proc))
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return 0;
|
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if (opt_data.help)
|
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return 0;
|
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|
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opt_data.VolumeParams.VolumeCreationTime = *(PUINT64)&opt_data.VolumeCreationTime;
|
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if (!opt_data.set_FileInfoTimeout && opt_data.set_attr_timeout)
|
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opt_data.VolumeParams.FileInfoTimeout = opt_data.set_attr_timeout * 1000;
|
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opt_data.VolumeParams.CaseSensitiveSearch = !opt_data.CaseInsensitiveSearch;
|
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opt_data.VolumeParams.PersistentAcls = !!opt_data.PersistentAcls;
|
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opt_data.VolumeParams.ReparsePoints = !!opt_data.ReparsePoints;
|
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opt_data.VolumeParams.NamedStreams = !!opt_data.NamedStreams;
|
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opt_data.VolumeParams.ReadOnlyVolume = !!opt_data.ReadOnlyVolume;
|
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|
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f = MemAlloc(sizeof *f);
|
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if (0 == f)
|
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goto fail;
|
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memset(f, 0, sizeof *f);
|
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|
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f->env = env;
|
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memcpy(&f->ops, ops, opsize);
|
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f->data = data;
|
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f->DebugLog = opt_data.debug ? -1 : 0;
|
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memcpy(&f->VolumeParams, &opt_data.VolumeParams, sizeof opt_data.VolumeParams);
|
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|
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Size = (lstrlenW(ch->MountPoint) + 1) * sizeof(WCHAR);
|
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f->MountPoint = MemAlloc(Size);
|
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if (0 == f->MountPoint)
|
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goto fail;
|
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memcpy(f->MountPoint, ch->MountPoint, Size);
|
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|
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Result = FspServiceCreate(FspDiagIdent(), fsp_fuse_svcstart, fsp_fuse_svcstop, 0, &f->Service);
|
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if (!NT_SUCCESS(Result))
|
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goto fail;
|
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FspServiceAllowConsoleMode(f->Service);
|
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f->Service->UserContext = f;
|
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|
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return f;
|
||||
|
||||
fail:
|
||||
FspServiceLog(EVENTLOG_ERROR_TYPE, L"Unable to create FUSE file system%s");
|
||||
FspServiceLog(EVENTLOG_ERROR_TYPE,
|
||||
L"Cannot create " FSP_FUSE_LIBRARY_NAME " file system.");
|
||||
|
||||
if (0 != f)
|
||||
{
|
||||
if (0 != f->FileSystem)
|
||||
FspFileSystemDelete(f->FileSystem);
|
||||
|
||||
if (0 != f->Service)
|
||||
FspServiceDelete(f->Service);
|
||||
|
||||
MemFree(f);
|
||||
}
|
||||
|
||||
if (FsInit)
|
||||
{
|
||||
if (0 != ops->destroy)
|
||||
ops->destroy(context->private_data);
|
||||
}
|
||||
fsp_fuse_destroy(env, f);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -461,11 +514,13 @@ fail:
|
||||
FSP_FUSE_API void fsp_fuse_destroy(struct fsp_fuse_env *env,
|
||||
struct fuse *f)
|
||||
{
|
||||
DeleteCriticalSection(&f->Lock);
|
||||
if (0 != f->FileSystem)
|
||||
FspFileSystemDelete(f->FileSystem);
|
||||
|
||||
FspFileSystemDelete(f->FileSystem);
|
||||
if (0 != f->Service)
|
||||
FspServiceDelete(f->Service);
|
||||
|
||||
FspServiceDelete(f->Service);
|
||||
MemFree(f->MountPoint);
|
||||
|
||||
MemFree(f);
|
||||
}
|
||||
|
||||
@ -22,6 +22,8 @@
|
||||
#include <fuse/fuse.h>
|
||||
#include <fuse/fuse_opt.h>
|
||||
|
||||
#define FSP_FUSE_LIBRARY_NAME LIBRARY_NAME "-FUSE"
|
||||
|
||||
#if defined(_WIN64)
|
||||
struct cyg_timespec
|
||||
{
|
||||
@ -86,11 +88,11 @@ struct cyg_statvfs
|
||||
};
|
||||
#endif
|
||||
|
||||
static inline void fsp_fuse_op_get_stat_buf(
|
||||
int environment,
|
||||
static inline void fsp_fuse_get_stat_buf(
|
||||
struct fsp_fuse_env *env,
|
||||
const void *buf, struct fuse_stat *fspbuf)
|
||||
{
|
||||
switch (environment)
|
||||
switch (env->environment)
|
||||
{
|
||||
case 'C':
|
||||
{
|
||||
@ -121,11 +123,11 @@ static inline void fsp_fuse_op_get_stat_buf(
|
||||
}
|
||||
}
|
||||
|
||||
static inline void fsp_fuse_op_get_statvfs_buf(
|
||||
int environment,
|
||||
static inline void fsp_fuse_get_statvfs_buf(
|
||||
struct fsp_fuse_env *env,
|
||||
const void *buf, struct fuse_statvfs *fspbuf)
|
||||
{
|
||||
switch (environment)
|
||||
switch (env->environment)
|
||||
{
|
||||
case 'C':
|
||||
{
|
||||
@ -149,6 +151,19 @@ static inline void fsp_fuse_op_get_statvfs_buf(
|
||||
}
|
||||
}
|
||||
|
||||
struct fuse
|
||||
{
|
||||
struct fsp_fuse_env *env;
|
||||
struct fuse_operations ops;
|
||||
void *data;
|
||||
UINT32 DebugLog;
|
||||
FSP_FSCTL_VOLUME_PARAMS VolumeParams;
|
||||
PWSTR MountPoint;
|
||||
FSP_SERVICE *Service;
|
||||
FSP_FILE_SYSTEM *FileSystem;
|
||||
BOOLEAN fsinit;
|
||||
};
|
||||
|
||||
NTSTATUS fsp_fuse_op_get_security_by_name(FSP_FILE_SYSTEM *FileSystem,
|
||||
PWSTR FileName, PUINT32 PFileAttributes,
|
||||
PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user