diff options
| -rw-r--r-- | source4/ntvfs/ntvfs_generic.c | 263 |
1 files changed, 138 insertions, 125 deletions
diff --git a/source4/ntvfs/ntvfs_generic.c b/source4/ntvfs/ntvfs_generic.c index 2639b5ae39..da60615a44 100644 --- a/source4/ntvfs/ntvfs_generic.c +++ b/source4/ntvfs/ntvfs_generic.c @@ -56,6 +56,143 @@ static BOOL is_exe_file(const char *fname) /* + NTVFS openx to ntcreatex mapper +*/ +NTSTATUS ntvfs_map_open_openx(struct smbsrv_request *req, + union smb_open *io, + union smb_open *io2, + struct ntvfs_module_context *ntvfs) +{ + NTSTATUS status; + + ZERO_STRUCT(io2->generic.in); + io2->generic.level = RAW_OPEN_GENERIC; + if (io->openx.in.flags & OPENX_FLAGS_REQUEST_OPLOCK) { + io2->generic.in.flags |= NTCREATEX_FLAGS_REQUEST_OPLOCK; + } + if (io->openx.in.flags & OPENX_FLAGS_REQUEST_BATCH_OPLOCK) { + io2->generic.in.flags |= NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK; + } + + switch (io->openx.in.open_mode & OPENX_MODE_ACCESS_MASK) { + case OPENX_MODE_ACCESS_READ: + io2->generic.in.access_mask = GENERIC_RIGHTS_FILE_READ; + io->openx.out.access = OPENX_MODE_ACCESS_READ; + break; + case OPENX_MODE_ACCESS_WRITE: + io2->generic.in.access_mask = GENERIC_RIGHTS_FILE_WRITE; + io->openx.out.access = OPENX_MODE_ACCESS_WRITE; + break; + case OPENX_MODE_ACCESS_RDWR: + case OPENX_MODE_ACCESS_FCB: + case OPENX_MODE_ACCESS_EXEC: + io2->generic.in.access_mask = GENERIC_RIGHTS_FILE_READ | GENERIC_RIGHTS_FILE_WRITE; + io->openx.out.access = OPENX_MODE_ACCESS_RDWR; + break; + default: + return NT_STATUS_INVALID_LOCK_SEQUENCE; + } + + switch (io->openx.in.open_mode & OPENX_MODE_DENY_MASK) { + case OPENX_MODE_DENY_READ: + io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_WRITE; + break; + case OPENX_MODE_DENY_WRITE: + io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_READ; + break; + case OPENX_MODE_DENY_ALL: + io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_NONE; + break; + case OPENX_MODE_DENY_NONE: + io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE; + break; + case OPENX_MODE_DENY_DOS: + /* DENY_DOS is quite strange - it depends on the filename! */ + if (is_exe_file(io->openx.in.fname)) { + io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE; + } else { + if ((io->openx.in.open_mode & OPENX_MODE_ACCESS_MASK) == + OPENX_MODE_ACCESS_READ) { + io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_READ; + } else { + io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_NONE; + } + } + break; + case OPENX_MODE_DENY_FCB: + io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_NONE; + break; + default: + return NT_STATUS_INVALID_LOCK_SEQUENCE; + } + + switch (io->openx.in.open_func) { + case (OPENX_OPEN_FUNC_OPEN): + io2->generic.in.open_disposition = NTCREATEX_DISP_OPEN; + break; + case (OPENX_OPEN_FUNC_TRUNC): + io2->generic.in.open_disposition = NTCREATEX_DISP_OVERWRITE; + break; + case (OPENX_OPEN_FUNC_FAIL | OPENX_OPEN_FUNC_CREATE): + io2->generic.in.open_disposition = NTCREATEX_DISP_CREATE; + break; + case (OPENX_OPEN_FUNC_OPEN | OPENX_OPEN_FUNC_CREATE): + io2->generic.in.open_disposition = NTCREATEX_DISP_OPEN_IF; + break; + case (OPENX_OPEN_FUNC_TRUNC | OPENX_OPEN_FUNC_CREATE): + io2->generic.in.open_disposition = NTCREATEX_DISP_OVERWRITE_IF; + break; + default: + /* this one is very strange */ + if ((io->openx.in.open_mode & OPENX_MODE_ACCESS_MASK) == + OPENX_MODE_ACCESS_EXEC) { + io2->generic.in.open_disposition = NTCREATEX_DISP_CREATE; + break; + } + return NT_STATUS_INVALID_LOCK_SEQUENCE; + } + + io2->generic.in.alloc_size = 0; + io2->generic.in.file_attr = io->openx.in.file_attrs; + io2->generic.in.fname = io->openx.in.fname; + + status = ntvfs->ops->open(ntvfs, req, io2); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + io->openx.out.fnum = io2->generic.out.fnum; + io->openx.out.attrib = io2->generic.out.attrib; + io->openx.out.write_time = nt_time_to_unix(io2->generic.out.write_time); + io->openx.out.size = io2->generic.out.size; + io->openx.out.ftype = 0; + io->openx.out.devstate = 0; + io->openx.out.action = io2->generic.out.create_action; + io->openx.out.unique_fid = 0; + io->openx.out.access_mask = io2->generic.in.access_mask; + io->openx.out.unknown = 0; + + /* we need to extend the file to the requested size if + it was newly created */ + if (io2->generic.out.create_action == NTCREATEX_ACTION_CREATED && + io->openx.in.size != 0) { + union smb_setfileinfo *sf; + sf = talloc_p(req, union smb_setfileinfo); + if (sf != NULL) { + sf->generic.level = RAW_SFILEINFO_END_OF_FILE_INFORMATION; + sf->generic.file.fnum = io2->generic.out.fnum; + sf->end_of_file_info.in.size = io->openx.in.size; + status = ntvfs->ops->setfileinfo(ntvfs, req, sf); + if (NT_STATUS_IS_OK(status)) { + io->openx.out.size = io->openx.in.size; + } + } + } + + return NT_STATUS_OK; +} + +/* NTVFS open generic to any mapper */ NTSTATUS ntvfs_map_open(struct smbsrv_request *req, union smb_open *io, @@ -78,131 +215,7 @@ NTSTATUS ntvfs_map_open(struct smbsrv_request *req, union smb_open *io, return NT_STATUS_INVALID_LEVEL; case RAW_OPEN_OPENX: - ZERO_STRUCT(io2->generic.in); - io2->generic.level = RAW_OPEN_GENERIC; - if (io->openx.in.flags & OPENX_FLAGS_REQUEST_OPLOCK) { - io2->generic.in.flags |= NTCREATEX_FLAGS_REQUEST_OPLOCK; - } - if (io->openx.in.flags & OPENX_FLAGS_REQUEST_BATCH_OPLOCK) { - io2->generic.in.flags |= NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK; - } - - switch (io->openx.in.open_mode & OPENX_MODE_ACCESS_MASK) { - case OPENX_MODE_ACCESS_READ: - io2->generic.in.access_mask = GENERIC_RIGHTS_FILE_READ; - io->openx.out.access = OPENX_MODE_ACCESS_READ; - break; - case OPENX_MODE_ACCESS_WRITE: - io2->generic.in.access_mask = GENERIC_RIGHTS_FILE_WRITE; - io->openx.out.access = OPENX_MODE_ACCESS_WRITE; - break; - case OPENX_MODE_ACCESS_RDWR: - case OPENX_MODE_ACCESS_FCB: - case OPENX_MODE_ACCESS_EXEC: - io2->generic.in.access_mask = GENERIC_RIGHTS_FILE_READ | GENERIC_RIGHTS_FILE_WRITE; - io->openx.out.access = OPENX_MODE_ACCESS_RDWR; - break; - default: - return NT_STATUS_INVALID_LOCK_SEQUENCE; - } - - switch (io->openx.in.open_mode & OPENX_MODE_DENY_MASK) { - case OPENX_MODE_DENY_READ: - io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_WRITE; - break; - case OPENX_MODE_DENY_WRITE: - io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_READ; - break; - case OPENX_MODE_DENY_ALL: - io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_NONE; - break; - case OPENX_MODE_DENY_NONE: - io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE; - break; - case OPENX_MODE_DENY_DOS: - /* DENY_DOS is quite strange - it depends on the filename! */ - if (is_exe_file(io->openx.in.fname)) { - io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE; - } else { - if ((io->openx.in.open_mode & OPENX_MODE_ACCESS_MASK) == - OPENX_MODE_ACCESS_READ) { - io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_READ; - } else { - io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_NONE; - } - } - break; - case OPENX_MODE_DENY_FCB: - io2->generic.in.share_access = NTCREATEX_SHARE_ACCESS_NONE; - break; - default: - return NT_STATUS_INVALID_LOCK_SEQUENCE; - } - - switch (io->openx.in.open_func) { - case (OPENX_OPEN_FUNC_OPEN): - io2->generic.in.open_disposition = NTCREATEX_DISP_OPEN; - break; - case (OPENX_OPEN_FUNC_TRUNC): - io2->generic.in.open_disposition = NTCREATEX_DISP_OVERWRITE; - break; - case (OPENX_OPEN_FUNC_FAIL | OPENX_OPEN_FUNC_CREATE): - io2->generic.in.open_disposition = NTCREATEX_DISP_CREATE; - break; - case (OPENX_OPEN_FUNC_OPEN | OPENX_OPEN_FUNC_CREATE): - io2->generic.in.open_disposition = NTCREATEX_DISP_OPEN_IF; - break; - case (OPENX_OPEN_FUNC_TRUNC | OPENX_OPEN_FUNC_CREATE): - io2->generic.in.open_disposition = NTCREATEX_DISP_OVERWRITE_IF; - break; - default: - /* this one is very strange */ - if ((io->openx.in.open_mode & OPENX_MODE_ACCESS_MASK) == - OPENX_MODE_ACCESS_EXEC) { - io2->generic.in.open_disposition = NTCREATEX_DISP_CREATE; - break; - } - return NT_STATUS_INVALID_LOCK_SEQUENCE; - } - - io2->generic.in.alloc_size = 0; - io2->generic.in.file_attr = io->openx.in.file_attrs; - io2->generic.in.fname = io->openx.in.fname; - - status = ntvfs->ops->open(ntvfs, req, io2); - if (!NT_STATUS_IS_OK(status)) { - return status; - } - - io->openx.out.fnum = io2->generic.out.fnum; - io->openx.out.attrib = io2->generic.out.attrib; - io->openx.out.write_time = nt_time_to_unix(io2->generic.out.write_time); - io->openx.out.size = io2->generic.out.size; - io->openx.out.ftype = 0; - io->openx.out.devstate = 0; - io->openx.out.action = io2->generic.out.create_action; - io->openx.out.unique_fid = 0; - io->openx.out.access_mask = io2->generic.in.access_mask; - io->openx.out.unknown = 0; - - /* we need to extend the file to the requested size if - it was newly created */ - if (io2->generic.out.create_action == NTCREATEX_ACTION_CREATED && - io->openx.in.size != 0) { - union smb_setfileinfo *sf; - sf = talloc_p(req, union smb_setfileinfo); - if (sf != NULL) { - sf->generic.level = RAW_SFILEINFO_END_OF_FILE_INFORMATION; - sf->generic.file.fnum = io2->generic.out.fnum; - sf->end_of_file_info.in.size = io->openx.in.size; - status = ntvfs->ops->setfileinfo(ntvfs, req, sf); - if (NT_STATUS_IS_OK(status)) { - io->openx.out.size = io->openx.in.size; - } - } - } - - return NT_STATUS_OK; + return ntvfs_map_open_openx(req, io, io2, ntvfs); case RAW_OPEN_OPEN: |