static int do_move(const char *from, const char *to) { struct stat sb; int ask, ch, first; /* * Check access. If interactive and file exists, ask user if it * should be replaced. Otherwise if file exists but isn't writable * make sure the user wants to clobber it. */ if (!fflg && !access(to, F_OK)) { /* prompt only if source exist */ if (lstat(from, &sb) == -1) { SLOG("%s: %s", from, strerror(errno)); return (1); } ask = 0; if (nflg) { if (vflg) printf("%s not overwritten\n", to); return (0); } else if (iflg) { (void)fprintf(stderr, "overwrite %s? (y/n [n]) ", to); ask = 1; } else if (access(to, W_OK) && !stat(to, &sb)) { (void)fprintf(stderr, "override for %s? (y/n [n]) ", to); ask = 1; } if (ask) { first = ch = getchar(); while (ch != '\n' && ch != EOF) ch = getchar(); if (first != 'y' && first != 'Y') { (void)fprintf(stderr, "not overwritten\n"); return (0); } } } int mustcopy = 0; /* * Besides the usual EXDEV we copy instead of moving if * 1) source AFP volume != dest AFP volume * 2) either source or dest isn't even an AFP volume */ if (!svolume.vol->v_path || !dvolume.vol->v_path || strcmp(svolume.vol->v_path, dvolume.vol->v_path) != 0) mustcopy = 1; cnid_t cnid = 0; if (!mustcopy) { if ((cnid = cnid_for_path(&svolume, from, &did)) == CNID_INVALID) { SLOG("Couldn't resolve CNID for %s", from); return -1; } if (stat(from, &sb) != 0) { SLOG("Cant stat %s: %s", to, strerror(errno)); return -1; } if (rename(from, to) != 0) { if (errno == EXDEV) { mustcopy = 1; char path[MAXPATHLEN]; /* * If the source is a symbolic link and is on another * filesystem, it can be recreated at the destination. */ if (lstat(from, &sb) == -1) { SLOG("%s: %s", from, strerror(errno)); return (-1); } if (!S_ISLNK(sb.st_mode)) { /* Can't mv(1) a mount point. */ if (realpath(from, path) == NULL) { SLOG("cannot resolve %s: %s: %s", from, path, strerror(errno)); return (1); } } } else { /* != EXDEV */ SLOG("rename %s to %s: %s", from, to, strerror(errno)); return (1); } } /* rename != 0*/ switch (sb.st_mode & S_IFMT) { case S_IFREG: if (dvolume.vol->vfs->vfs_renamefile(dvolume.vol, -1, from, to) != 0) { SLOG("Error moving adouble file for %s", from); return -1; } break; case S_IFDIR: break; default: SLOG("Not a file or dir: %s", from); return -1; } /* get CNID of new parent dir */ cnid_t newpdid, newdid; if ((newdid = cnid_for_paths_parent(&dvolume, to, &newpdid)) == CNID_INVALID) { SLOG("Couldn't resolve CNID for parent of %s", to); return -1; } if (stat(to, &sb) != 0) { SLOG("Cant stat %s: %s", to, strerror(errno)); return 1; } char *p = strdup(to); char *name = basename(p); if (cnid_update(dvolume.vol->v_cdb, cnid, &sb, newdid, name, strlen(name)) != 0) { SLOG("Cant update CNID for: %s", to); return 1; } free(p); struct adouble ad; ad_init(&ad, dvolume.vol); if (ad_open(&ad, to, S_ISDIR(sb.st_mode) ? (ADFLAGS_DIR | ADFLAGS_HF | ADFLAGS_RDWR) : ADFLAGS_HF | ADFLAGS_RDWR) != 0) { SLOG("Error opening adouble for: %s", to); return 1; } ad_setid(&ad, sb.st_dev, sb.st_ino, cnid, newdid, dvolume.db_stamp); ad_flush(&ad); ad_close(&ad, ADFLAGS_HF); if (vflg) printf("%s -> %s\n", from, to); return (0); } if (mustcopy) return copy(from, to); /* If we get here it's an error */ return -1; }
static int copy(const char *path, const struct stat *statp, int tflag, struct FTW *ftw) { static int base = 0; struct stat to_stat; int dne; size_t nlen; const char *p; char *target_mid; if (alarmed) return -1; /* This currently doesn't work with "." */ if (strcmp(path, ".") == 0) { ERROR("\".\" not supported"); } const char *dir = strrchr(path, '/'); if (dir == NULL) dir = path; else dir++; if (check_netatalk_dirs(dir) != NULL) return FTW_SKIP_SUBTREE; /* * If we are in case (2) above, we need to append the * source name to the target name. */ if (type != FILE_TO_FILE) { /* * Need to remember the roots of traversals to create * correct pathnames. If there's a directory being * copied to a non-existent directory, e.g. * cp -R a/dir noexist * the resulting path name should be noexist/foo, not * noexist/dir/foo (where foo is a file in dir), which * is the case where the target exists. * * Also, check for "..". This is for correct path * concatenation for paths ending in "..", e.g. * cp -R .. /tmp * Paths ending in ".." are changed to ".". This is * tricky, but seems the easiest way to fix the problem. * * XXX * Since the first level MUST be FTS_ROOTLEVEL, base * is always initialized. */ if (ftw->level == 0) { if (type != DIR_TO_DNE) { base = ftw->base; if (strcmp(&path[base], "..") == 0) base += 1; } else base = strlen(path); } p = &path[base]; nlen = strlen(path) - base; target_mid = to.target_end; if (*p != '/' && target_mid[-1] != '/') *target_mid++ = '/'; *target_mid = 0; if (target_mid - to.p_path + nlen >= PATH_MAX) { SLOG("%s%s: name too long (not copied)", to.p_path, p); badcp = rval = 1; return 0; } (void)strncat(target_mid, p, nlen); to.p_end = target_mid + nlen; *to.p_end = 0; STRIP_TRAILING_SLASH(to); } /* Not an error but need to remember it happened */ if (stat(to.p_path, &to_stat) == -1) dne = 1; else { if (to_stat.st_dev == statp->st_dev && to_stat.st_ino == statp->st_ino) { SLOG("%s and %s are identical (not copied).", to.p_path, path); badcp = rval = 1; if (S_ISDIR(statp->st_mode)) /* without using glibc extension FTW_ACTIONRETVAL cant handle this */ return FTW_SKIP_SUBTREE; return 0; } if (!S_ISDIR(statp->st_mode) && S_ISDIR(to_stat.st_mode)) { SLOG("cannot overwrite directory %s with " "non-directory %s", to.p_path, path); badcp = rval = 1; return 0; } dne = 0; } /* Convert basename to appropiate volume encoding */ if (dvolume.volinfo.v_path) { if ((convert_dots_encoding(&svolume, &dvolume, to.p_path, MAXPATHLEN)) == -1) { SLOG("Error converting name for %s", to.p_path); badcp = rval = 1; return -1; } } switch (statp->st_mode & S_IFMT) { case S_IFLNK: if (ftw_copy_link(ftw, path, statp, !dne)) badcp = rval = 1; break; case S_IFDIR: if (!Rflag) { SLOG("%s is a directory", path); badcp = rval = 1; return -1; } /* * If the directory doesn't exist, create the new * one with the from file mode plus owner RWX bits, * modified by the umask. Trade-off between being * able to write the directory (if from directory is * 555) and not causing a permissions race. If the * umask blocks owner writes, we fail.. */ if (dne) { if (mkdir(to.p_path, statp->st_mode | S_IRWXU) < 0) ERROR("mkdir: %s: %s", to.p_path, strerror(errno)); } else if (!S_ISDIR(to_stat.st_mode)) { errno = ENOTDIR; ERROR("%s", to.p_path); } /* Create ad dir and copy ".Parent" */ if (dvolume.volinfo.v_path && dvolume.volinfo.v_adouble == AD_VERSION2) { /* Create ".AppleDouble" dir */ mode_t omask = umask(0); bstring addir = bfromcstr(to.p_path); bcatcstr(addir, "/.AppleDouble"); mkdir(cfrombstr(addir), 02777); bdestroy(addir); if (svolume.volinfo.v_path && svolume.volinfo.v_adouble == AD_VERSION2) { /* copy ".Parent" file */ if (dvolume.volume.vfs->vfs_copyfile(&dvolume.volume, -1, path, to.p_path)) { SLOG("Error copying adouble for %s -> %s", path, to.p_path); badcp = rval = 1; break; } } /* Get CNID of Parent and add new childir to CNID database */ ppdid = pdid; if ((did = cnid_for_path(&dvolume, to.p_path, &pdid)) == CNID_INVALID) { SLOG("Error resolving CNID for %s", to.p_path); badcp = rval = 1; return -1; } struct adouble ad; struct stat st; if (lstat(to.p_path, &st) != 0) { badcp = rval = 1; break; } ad_init(&ad, dvolume.volinfo.v_adouble, dvolume.volinfo.v_ad_options); if (ad_open_metadata(to.p_path, ADFLAGS_DIR, O_RDWR | O_CREAT, &ad) != 0) { ERROR("Error opening adouble for: %s", to.p_path); } ad_setid( &ad, st.st_dev, st.st_ino, did, pdid, dvolume.db_stamp); ad_setname(&ad, utompath(&dvolume.volinfo, basename(to.p_path))); ad_setdate(&ad, AD_DATE_CREATE | AD_DATE_UNIX, st.st_mtime); ad_setdate(&ad, AD_DATE_MODIFY | AD_DATE_UNIX, st.st_mtime); ad_setdate(&ad, AD_DATE_ACCESS | AD_DATE_UNIX, st.st_mtime); ad_setdate(&ad, AD_DATE_BACKUP, AD_DATE_START); ad_flush(&ad); ad_close_metadata(&ad); umask(omask); } if (pflag) { if (setfile(statp, -1)) rval = 1; #if 0 if (preserve_dir_acls(statp, curr->fts_accpath, to.p_path) != 0) rval = 1; #endif } break; case S_IFBLK: case S_IFCHR: SLOG("%s is a device file (not copied).", path); break; case S_IFSOCK: SLOG("%s is a socket (not copied).", path); break; case S_IFIFO: SLOG("%s is a FIFO (not copied).", path); break; default: if (ftw_copy_file(ftw, path, statp, dne)) badcp = rval = 1; if (dvolume.volinfo.v_path && dvolume.volinfo.v_adouble == AD_VERSION2) { mode_t omask = umask(0); if (svolume.volinfo.v_path && svolume.volinfo.v_adouble == AD_VERSION2) { /* copy ad-file */ if (dvolume.volume.vfs->vfs_copyfile(&dvolume.volume, -1, path, to.p_path)) { SLOG("Error copying adouble for %s -> %s", path, to.p_path); badcp = rval = 1; break; } } /* Get CNID of Parent and add new childir to CNID database */ pdid = did; cnid_t cnid; if ((cnid = cnid_for_path(&dvolume, to.p_path, &did)) == CNID_INVALID) { SLOG("Error resolving CNID for %s", to.p_path); badcp = rval = 1; return -1; } struct adouble ad; struct stat st; if (lstat(to.p_path, &st) != 0) { badcp = rval = 1; break; } ad_init(&ad, dvolume.volinfo.v_adouble, dvolume.volinfo.v_ad_options); if (ad_open_metadata(to.p_path, 0, O_RDWR | O_CREAT, &ad) != 0) { ERROR("Error opening adouble for: %s", to.p_path); } ad_setid( &ad, st.st_dev, st.st_ino, cnid, did, dvolume.db_stamp); ad_setname(&ad, utompath(&dvolume.volinfo, basename(to.p_path))); ad_setdate(&ad, AD_DATE_CREATE | AD_DATE_UNIX, st.st_mtime); ad_setdate(&ad, AD_DATE_MODIFY | AD_DATE_UNIX, st.st_mtime); ad_setdate(&ad, AD_DATE_ACCESS | AD_DATE_UNIX, st.st_mtime); ad_setdate(&ad, AD_DATE_BACKUP, AD_DATE_START); ad_flush(&ad); ad_close_metadata(&ad); umask(omask); } break; } if (vflag && !badcp) (void)printf("%s -> %s\n", path, to.p_path); return 0; }