/* Unix SMB/CIFS implementation. simple NTVFS filesystem backend Copyright (C) Andrew Tridgell 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 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/>. */ /* utility functions for simple backend */ #include "includes.h" #include "system/filesys.h" #include "svfs.h" #include "system/time.h" #include "system/dir.h" #include "ntvfs/ntvfs.h" #include "ntvfs/simple/proto.h" /* convert a windows path to a unix path - don't do any manging or case sensitive handling */ char *svfs_unix_path(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, const char *name) { struct svfs_private *p = ntvfs->private_data; char *ret; if (*name != '\\') { ret = talloc_asprintf(req, "%s/%s", p->connectpath, name); } else { ret = talloc_asprintf(req, "%s%s", p->connectpath, name); } all_string_sub(ret, "\\", "/", 0); strlower(ret + strlen(p->connectpath)); return ret; } /* read a directory and find all matching file names and stat info returned names are separate unix and DOS names. The returned names are relative to the directory */ struct svfs_dir *svfs_list_unix(TALLOC_CTX *mem_ctx, struct ntvfs_request *req, const char *unix_path) { char *p, *mask; struct svfs_dir *dir; DIR *odir; struct dirent *dent; unsigned int allocated = 0; char *low_mask; dir = talloc(mem_ctx, struct svfs_dir); if (!dir) { return NULL; } dir->count = 0; dir->files = 0; /* find the base directory */ p = strrchr(unix_path, '/'); if (!p) { return NULL; } dir->unix_dir = talloc_strndup(mem_ctx, unix_path, PTR_DIFF(p, unix_path)); if (!dir->unix_dir) { return NULL; } /* the wildcard pattern is the last part */ mask = p+1; low_mask = talloc_strdup(mem_ctx, mask); if (!low_mask) { return NULL; } strlower(low_mask); odir = opendir(dir->unix_dir); if (!odir) { return NULL; } while ((dent = readdir(odir))) { unsigned int i = dir->count; char *full_name; char *low_name; if (strchr(dent->d_name, ':') && !strchr(unix_path, ':')) { /* don't show streams in dir listing */ continue; } low_name = talloc_strdup(mem_ctx, dent->d_name); if (!low_name) { continue; } strlower(low_name); /* check it matches the wildcard pattern */ if (ms_fnmatch(low_mask, low_name, PROTOCOL_NT1) != 0) { continue; } if (dir->count >= allocated) { allocated = (allocated + 100) * 1.2; dir->files = talloc_realloc(dir, dir->files, struct svfs_dirfile, allocated); if (!dir->files) { closedir(odir); return NULL; } } dir->files[i].name = low_name; if (!dir->files[i].name) { continue; } full_name = talloc_asprintf(mem_ctx, "%s/%s", dir->unix_dir, dir->files[i].name); if (!full_name) { continue; } if (stat(full_name, &dir->files[i].st) == 0) { dir->count++; } talloc_free(full_name); } closedir(odir); return dir; } /* read a directory and find all matching file names and stat info returned names are separate unix and DOS names. The returned names are relative to the directory */ struct svfs_dir *svfs_list(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, const char *pattern) { struct svfs_private *p = ntvfs->private_data; char *unix_path; unix_path = svfs_unix_path(ntvfs, req, pattern); if (!unix_path) { return NULL; } return svfs_list_unix(p, req, unix_path); } /******************************************************************* set the time on a file via file descriptor *******************************************************************/ int svfs_file_utime(int fd, struct utimbuf *times) { char *fd_path = NULL; int ret; asprintf(&fd_path, "/proc/self/%d", fd); if (!fd_path) { errno = ENOMEM; return -1; } ret = utime(fd_path, times); free(fd_path); return ret; } /* map a unix file attrib to a DOS attribute */ uint16_t svfs_unix_to_dos_attrib(mode_t mode) { uint16_t ret = 0; if (S_ISDIR(mode)) ret |= FILE_ATTRIBUTE_DIRECTORY; if (!(mode & S_IWUSR)) ret |= FILE_ATTRIBUTE_READONLY; return ret; }