/* Unix SMB/CIFS implementation. POSIX NTVFS backend - Copyright (C) Andrew Tridgell 2004 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 3 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, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "vfs_posix.h" /**************************************************************************** Change a unix mode to a dos mode. ****************************************************************************/ static uint32_t dos_mode_from_stat(struct pvfs_state *pvfs, struct stat *st) { int result = 0; if ((st->st_mode & S_IWUSR) == 0) result |= FILE_ATTRIBUTE_READONLY; if ((pvfs->flags & PVFS_FLAG_MAP_ARCHIVE) && ((st->st_mode & S_IXUSR) != 0)) result |= FILE_ATTRIBUTE_ARCHIVE; if ((pvfs->flags & PVFS_FLAG_MAP_SYSTEM) && ((st->st_mode & S_IXGRP) != 0)) result |= FILE_ATTRIBUTE_SYSTEM; if ((pvfs->flags & PVFS_FLAG_MAP_HIDDEN) && ((st->st_mode & S_IXOTH) != 0)) result |= FILE_ATTRIBUTE_HIDDEN; if (S_ISDIR(st->st_mode)) result = FILE_ATTRIBUTE_DIRECTORY | (result & FILE_ATTRIBUTE_READONLY); return result; } /* fill in the dos file attributes for a file */ NTSTATUS pvfs_fill_dos_info(struct pvfs_state *pvfs, struct pvfs_filename *name, int fd) { /* make directories appear as size 0 with 1 link */ if (S_ISDIR(name->st.st_mode)) { name->st.st_size = 0; name->st.st_nlink = 1; } /* for now just use the simple samba mapping */ unix_to_nt_time(&name->dos.create_time, name->st.st_ctime); unix_to_nt_time(&name->dos.access_time, name->st.st_atime); unix_to_nt_time(&name->dos.write_time, name->st.st_mtime); unix_to_nt_time(&name->dos.change_time, name->st.st_ctime); #ifdef HAVE_STAT_TV_NSEC name->dos.create_time += name->st.st_ctim.tv_nsec / 100; name->dos.access_time += name->st.st_atim.tv_nsec / 100; name->dos.write_time += name->st.st_mtim.tv_nsec / 100; name->dos.change_time += name->st.st_ctim.tv_nsec / 100; #endif name->dos.attrib = dos_mode_from_stat(pvfs, &name->st); name->dos.alloc_size = pvfs_round_alloc_size(pvfs, name->st.st_size); name->dos.nlink = name->st.st_nlink; name->dos.ea_size = 4; name->dos.file_id = (((uint64_t)name->st.st_dev)<<32) | name->st.st_ino; name->dos.flags = 0; return pvfs_dosattrib_load(pvfs, name, fd); } /* return a set of unix file permissions for a new file or directory */ mode_t pvfs_fileperms(struct pvfs_state *pvfs, uint32_t attrib) { mode_t mode = (S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR | S_IWGRP | S_IWOTH); if (!(pvfs->flags & PVFS_FLAG_XATTR_ENABLE) && (attrib & FILE_ATTRIBUTE_READONLY)) { mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH); } if (!(pvfs->flags & PVFS_FLAG_XATTR_ENABLE)) { if ((attrib & FILE_ATTRIBUTE_ARCHIVE) && (pvfs->flags & PVFS_FLAG_MAP_ARCHIVE)) { mode |= S_IXUSR; } if ((attrib & FILE_ATTRIBUTE_SYSTEM) && (pvfs->flags & PVFS_FLAG_MAP_SYSTEM)) { mode |= S_IXGRP; } if ((attrib & FILE_ATTRIBUTE_HIDDEN) && (pvfs->flags & PVFS_FLAG_MAP_HIDDEN)) { mode |= S_IXOTH; } } if (attrib & FILE_ATTRIBUTE_DIRECTORY) { mode |= (S_IFDIR | S_IWUSR); mode |= (S_IXUSR | S_IXGRP | S_IXOTH); mode &= pvfs->options.dir_mask; mode |= pvfs->options.force_dir_mode; } else { mode &= pvfs->options.create_mask; mode |= pvfs->options.force_create_mode; } return mode; }