void emitter_schedule(flist* frames) { if (emitter.fl == NULL) { emitter.fl = frames; } else if (emitter.fl && emitter.fl != frames) { flist_clear(emitter.fl); flist_free(emitter.fl); } else if (emitter.fl == frames) { flist_restart(emitter.fl); } else { VIS_ASSERT(!"unreachable"); } }
static void print_somefields( const field_t *fields, int argc, char **argv) { const ftattr_t *fa; flist_t *fl; flist_t *lfl; flist_t *nfl; fl = lfl = NULL; while (argc > 0) { nfl = flist_scan(*argv); if (!nfl) { if (fl) flist_free(fl); return; } if (lfl) lfl->sibling = nfl; else fl = nfl; lfl = nfl; argc--; argv++; } if (fields->name[0] == '\0') { fa = &ftattrtab[fields->ftyp]; ASSERT(fa->ftyp == fields->ftyp); fields = fa->subfld; } if (!flist_parse(fields, fl, iocur_top->data, 0)) { flist_free(fl); return; } flist_print(fl); print_flist(fl); flist_free(fl); }
static void print_allfields( const field_t *fields) { flist_t *flist; #ifdef DEBUG int i; #endif flist = flist_make(""); flist->fld = fields; #ifndef DEBUG (void)flist_parse(fields, flist, iocur_top->data, 0); #else i = flist_parse(fields, flist, iocur_top->data, 0); ASSERT(i == 1); #endif flist_print(flist); print_flist(flist); flist_free(flist); }
/** * main routine for receiver process. * * Receiver process runs on the same host as the generator process. */ int recv_files(int f_in, char *local_name) { int fd1,fd2; STRUCT_STAT st; int iflags, xlen; char *fname, fbuf[MAXPATHLEN]; char xname[MAXPATHLEN]; char fnametmp[MAXPATHLEN]; char *fnamecmp, *partialptr; char fnamecmpbuf[MAXPATHLEN]; uchar fnamecmp_type; struct file_struct *file; struct stats initial_stats; int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i; enum logcode log_code = log_before_transfer ? FLOG : FINFO; int max_phase = protocol_version >= 29 ? 2 : 1; int dflt_perms = (ACCESSPERMS & ~orig_umask); #ifdef SUPPORT_ACLS const char *parent_dirname = ""; #endif int ndx, recv_ok; if (verbose > 2) rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used); if (delay_updates) delayed_bits = bitbag_create(cur_flist->used + 1); while (1) { cleanup_disable(); /* This call also sets cur_flist. */ ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type, xname, &xlen); if (ndx == NDX_DONE) { if (inc_recurse && first_flist) { if (read_batch) gen_wants_ndx(first_flist->used + first_flist->ndx_start); flist_free(first_flist); if (first_flist) continue; } else if (read_batch && first_flist) gen_wants_ndx(first_flist->used); if (++phase > max_phase) break; if (verbose > 2) rprintf(FINFO, "recv_files phase=%d\n", phase); if (phase == 2 && delay_updates) handle_delayed_updates(local_name); send_msg(MSG_DONE, "", 0, 0); continue; } if (ndx - cur_flist->ndx_start >= 0) file = cur_flist->files[ndx - cur_flist->ndx_start]; else file = dir_flist->files[cur_flist->parent_ndx]; fname = local_name ? local_name : f_name(file, fbuf); if (verbose > 2) rprintf(FINFO, "recv_files(%s)\n", fname); #ifdef SUPPORT_XATTRS if (iflags & ITEM_REPORT_XATTR && !dry_run) recv_xattr_request(file, f_in); #endif if (!(iflags & ITEM_TRANSFER)) { maybe_log_item(file, iflags, itemizing, xname); #ifdef SUPPORT_XATTRS if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && !dry_run) set_file_attrs(fname, file, NULL, fname, 0); #endif continue; } if (phase == 2) { rprintf(FERROR, "got transfer request in phase 2 [%s]\n", who_am_i()); exit_cleanup(RERR_PROTOCOL); } if (file->flags & FLAG_FILE_SENT) { if (csum_length == SHORT_SUM_LENGTH) { if (keep_partial && !partial_dir) make_backups = -make_backups; /* prevents double backup */ if (append_mode) sparse_files = -sparse_files; append_mode = -append_mode; csum_length = SUM_LENGTH; redoing = 1; } } else { if (csum_length != SHORT_SUM_LENGTH) { if (keep_partial && !partial_dir) make_backups = -make_backups; if (append_mode) sparse_files = -sparse_files; append_mode = -append_mode; csum_length = SHORT_SUM_LENGTH; redoing = 0; } } if (!am_server && do_progress) set_current_file_index(file, ndx); stats.num_transferred_files++; stats.total_transferred_size += F_LENGTH(file); cleanup_got_literal = 0; if (daemon_filter_list.head && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0) { rprintf(FERROR, "attempt to hack rsync failed.\n"); exit_cleanup(RERR_PROTOCOL); } if (!do_xfers) { /* log the transfer */ log_item(FCLIENT, file, &stats, iflags, NULL); if (read_batch) discard_receive_data(f_in, F_LENGTH(file)); continue; } if (write_batch < 0) { log_item(FCLIENT, file, &stats, iflags, NULL); if (!am_server) discard_receive_data(f_in, F_LENGTH(file)); continue; } if (read_batch) { if (!(redoing ? we_want_redo(ndx) : gen_wants_ndx(ndx))) { rprintf(FINFO, "(Skipping batched update for%s \"%s\")\n", redoing ? " resend of" : "", fname); discard_receive_data(f_in, F_LENGTH(file)); file->flags |= FLAG_FILE_SENT; continue; } } partialptr = partial_dir ? partial_dir_fname(fname) : fname; if (protocol_version >= 29) { switch (fnamecmp_type) { case FNAMECMP_FNAME: fnamecmp = fname; break; case FNAMECMP_PARTIAL_DIR: fnamecmp = partialptr; break; case FNAMECMP_BACKUP: fnamecmp = get_backup_name(fname); break; case FNAMECMP_FUZZY: if (file->dirname) { pathjoin(fnamecmpbuf, MAXPATHLEN, file->dirname, xname); fnamecmp = fnamecmpbuf; } else fnamecmp = xname; break; default: if (fnamecmp_type >= basis_dir_cnt) { rprintf(FERROR, "invalid basis_dir index: %d.\n", fnamecmp_type); exit_cleanup(RERR_PROTOCOL); } pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, basis_dir[fnamecmp_type], fname); fnamecmp = fnamecmpbuf; break; } if (!fnamecmp || (daemon_filter_list.head && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) { fnamecmp = fname; fnamecmp_type = FNAMECMP_FNAME; } } else { /* Reminder: --inplace && --partial-dir are never * enabled at the same time. */ if (inplace && make_backups > 0) { if (!(fnamecmp = get_backup_name(fname))) fnamecmp = fname; else fnamecmp_type = FNAMECMP_BACKUP; } else if (partial_dir && partialptr) fnamecmp = partialptr; else fnamecmp = fname; } initial_stats = stats; /* open the file */ fd1 = do_open(fnamecmp, O_RDONLY, 0); if (fd1 == -1 && protocol_version < 29) { if (fnamecmp != fname) { fnamecmp = fname; fd1 = do_open(fnamecmp, O_RDONLY, 0); } if (fd1 == -1 && basis_dir[0]) { /* pre-29 allowed only one alternate basis */ pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, basis_dir[0], fname); fnamecmp = fnamecmpbuf; fd1 = do_open(fnamecmp, O_RDONLY, 0); } } updating_basis_or_equiv = inplace && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP); if (fd1 == -1) { st.st_mode = 0; st.st_size = 0; } else if (do_fstat(fd1,&st) != 0) { rsyserr(FERROR_XFER, errno, "fstat %s failed", full_fname(fnamecmp)); discard_receive_data(f_in, F_LENGTH(file)); close(fd1); if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); continue; } if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) { /* this special handling for directories * wouldn't be necessary if robust_rename() * and the underlying robust_unlink could cope * with directories */ rprintf(FERROR_XFER, "recv_files: %s is a directory\n", full_fname(fnamecmp)); discard_receive_data(f_in, F_LENGTH(file)); close(fd1); if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); continue; } if (fd1 != -1 && !S_ISREG(st.st_mode)) { close(fd1); fd1 = -1; } /* If we're not preserving permissions, change the file-list's * mode based on the local permissions and some heuristics. */ if (!preserve_perms) { int exists = fd1 != -1; #ifdef SUPPORT_ACLS const char *dn = file->dirname ? file->dirname : "."; if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) { dflt_perms = default_perms_for_dir(dn); parent_dirname = dn; } #endif file->mode = dest_mode(file->mode, st.st_mode, dflt_perms, exists); } /* We now check to see if we are writing the file "inplace" */ if (inplace) { fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600); if (fd2 == -1) { rsyserr(FERROR_XFER, errno, "open %s failed", full_fname(fname)); } } else { fd2 = open_tmpfile(fnametmp, fname, file); if (fd2 != -1) cleanup_set(fnametmp, partialptr, file, fd1, fd2); } if (fd2 == -1) { discard_receive_data(f_in, F_LENGTH(file)); if (fd1 != -1) close(fd1); if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); continue; } /* log the transfer */ if (log_before_transfer) log_item(FCLIENT, file, &initial_stats, iflags, NULL); else if (!am_server && verbose && do_progress) rprintf(FINFO, "%s\n", fname); /* recv file data */ recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size, fname, fd2, F_LENGTH(file)); log_item(log_code, file, &initial_stats, iflags, NULL); if (fd1 != -1) close(fd1); if (close(fd2) < 0) { rsyserr(FERROR, errno, "close failed on %s", full_fname(fnametmp)); exit_cleanup(RERR_FILEIO); } if ((recv_ok && (!delay_updates || !partialptr)) || inplace) { if (partialptr == fname) partialptr = NULL; if (!finish_transfer(fname, fnametmp, fnamecmp, partialptr, file, recv_ok, 1)) recv_ok = -1; else if (fnamecmp == partialptr) { do_unlink(partialptr); handle_partial_dir(partialptr, PDIR_DELETE); } } else if (keep_partial && partialptr) { if (!handle_partial_dir(partialptr, PDIR_CREATE)) { rprintf(FERROR, "Unable to create partial-dir for %s -- discarding %s.\n", local_name ? local_name : f_name(file, NULL), recv_ok ? "completed file" : "partial file"); do_unlink(fnametmp); recv_ok = -1; } else if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL, file, recv_ok, !partial_dir)) recv_ok = -1; else if (delay_updates && recv_ok) { bitbag_set_bit(delayed_bits, ndx); recv_ok = 2; } else partialptr = NULL; } else do_unlink(fnametmp); cleanup_disable(); if (read_batch) file->flags |= FLAG_FILE_SENT; switch (recv_ok) { case 2: break; case 1: if (remove_source_files || inc_recurse || (preserve_hard_links && F_IS_HLINKED(file))) send_msg_int(MSG_SUCCESS, ndx); break; case 0: { enum logcode msgtype = redoing ? FERROR_XFER : FWARNING; if (msgtype == FERROR_XFER || verbose) { char *errstr, *redostr, *keptstr; if (!(keep_partial && partialptr) && !inplace) keptstr = "discarded"; else if (partial_dir) keptstr = "put into partial-dir"; else keptstr = "retained"; if (msgtype == FERROR_XFER) { errstr = "ERROR"; redostr = ""; } else { errstr = "WARNING"; redostr = read_batch ? " (may try again)" : " (will try again)"; } rprintf(msgtype, "%s: %s failed verification -- update %s%s.\n", errstr, local_name ? f_name(file, NULL) : fname, keptstr, redostr); } if (!redoing) { if (read_batch) flist_ndx_push(&batch_redo_list, ndx); send_msg_int(MSG_REDO, ndx); file->flags |= FLAG_FILE_SENT; } else if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); break; } case -1: if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); break; } } if (make_backups < 0) make_backups = -make_backups; if (phase == 2 && delay_updates) /* for protocol_version < 29 */ handle_delayed_updates(local_name); if (verbose > 2) rprintf(FINFO,"recv_files finished\n"); return 0; }
/* The directory is about to be deleted: if DEL_RECURSE is given, delete all * its contents, otherwise just checks for content. Returns DR_SUCCESS or * DR_NOT_EMPTY. Note that fname must point to a MAXPATHLEN buffer! (The * buffer is used for recursion, but returned unchanged.) */ static enum delret delete_dir_contents(char *fname, uint16 flags) { struct file_list *dirlist; enum delret ret; unsigned remainder; void *save_filters; int j, dlen; char *p; if (DEBUG_GTE(DEL, 3)) { rprintf(FINFO, "delete_dir_contents(%s) flags=%d\n", fname, flags); } dlen = strlen(fname); save_filters = push_local_filters(fname, dlen); non_perishable_cnt = 0; dirlist = get_dirlist(fname, dlen, 0); ret = non_perishable_cnt ? DR_NOT_EMPTY : DR_SUCCESS; if (!dirlist->used) goto done; if (!(flags & DEL_RECURSE)) { ret = DR_NOT_EMPTY; goto done; } p = fname + dlen; if (dlen != 1 || *fname != '/') *p++ = '/'; remainder = MAXPATHLEN - (p - fname); /* We do our own recursion, so make delete_item() non-recursive. */ flags = (flags & ~(DEL_RECURSE|DEL_MAKE_ROOM|DEL_NO_UID_WRITE)) | DEL_DIR_IS_EMPTY; for (j = dirlist->used; j--; ) { struct file_struct *fp = dirlist->files[j]; if (fp->flags & FLAG_MOUNT_DIR && S_ISDIR(fp->mode)) { if (DEBUG_GTE(DEL, 1)) { rprintf(FINFO, "mount point, %s, pins parent directory\n", f_name(fp, NULL)); } ret = DR_NOT_EMPTY; continue; } strlcpy(p, fp->basename, remainder); if (!(fp->mode & S_IWUSR) && !am_root && fp->flags & FLAG_OWNED_BY_US) do_chmod(fname, fp->mode | S_IWUSR); /* Save stack by recursing to ourself directly. */ if (S_ISDIR(fp->mode)) { if (delete_dir_contents(fname, flags | DEL_RECURSE) != DR_SUCCESS) ret = DR_NOT_EMPTY; } if (delete_item(fname, fp->mode, flags) != DR_SUCCESS) ret = DR_NOT_EMPTY; } fname[dlen] = '\0'; done: flist_free(dirlist); pop_local_filters(save_filters); if (ret == DR_NOT_EMPTY) { rprintf(FINFO, "cannot delete non-empty directory: %s\n", fname); } return ret; }
static int addr_f( int argc, char **argv) { adfnc_t adf; const ftattr_t *fa; flist_t *fl; const field_t *fld; typnm_t next; flist_t *tfl; if (argc == 1) { print_iocur("current", iocur_top); return 0; } if (cur_typ == NULL) { dbprintf(_("no current type\n")); return 0; } fld = cur_typ->fields; if (fld != NULL && fld->name[0] == '\0') { fa = &ftattrtab[fld->ftyp]; ASSERT(fa->ftyp == fld->ftyp); fld = fa->subfld; } if (fld == NULL) { dbprintf(_("no fields for type %s\n"), cur_typ->name); return 0; } fl = flist_scan(argv[1]); if (fl == NULL) return 0; if (!flist_parse(fld, fl, iocur_top->data, 0)) { flist_free(fl); return 0; } flist_print(fl); for (tfl = fl; tfl->child != NULL; tfl = tfl->child) { if ((tfl->flags & FL_OKLOW) && tfl->low < tfl->high) { dbprintf(_("array not allowed for addr command\n")); flist_free(fl); return 0; } } fld = tfl->fld; next = fld->next; if (next == TYP_INODATA) next = inode_next_type(); if (next == TYP_NONE) { dbprintf(_("no next type for field %s\n"), fld->name); return 0; } fa = &ftattrtab[fld->ftyp]; ASSERT(fa->ftyp == fld->ftyp); adf = fa->adfunc; if (adf == NULL) { dbprintf(_("no addr function for field %s (type %s)\n"), fld->name, fa->name); return 0; } (*adf)(iocur_top->data, tfl->offset, next); flist_free(fl); return 0; }
/** * main routine for receiver process. * * Receiver process runs on the same host as the generator process. */ int recv_files(int f_in, char *local_name) { int fd1,fd2; STRUCT_STAT st; int iflags, xlen; char *fname, fbuf[MAXPATHLEN]; char xname[MAXPATHLEN]; char fnametmp[MAXPATHLEN]; char *fnamecmp, *partialptr; char fnamecmpbuf[MAXPATHLEN]; uchar fnamecmp_type; struct file_struct *file; struct stats initial_stats; int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i; enum logcode log_code = log_before_transfer ? FLOG : FINFO; int max_phase = protocol_version >= 29 ? 2 : 1; int dflt_perms = (ACCESSPERMS & ~orig_umask); #if 0 /* was SUPPORT_ACLS */ const char *parent_dirname = ""; #endif int ndx, recv_ok; if (verbose > 2) rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used); if (delay_updates) delayed_bits = bitbag_create(cur_flist->used + 1); while (1) { struct sum_struct sum; int numMatchTokens = -1, nextToken = 0; char *nextData = NULL; static char file_sum[MAX_DIGEST_LEN]; cleanup_disable(); /* This call also sets cur_flist. */ ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type, xname, &xlen); if (ndx == NDX_DONE) { if (inc_recurse && first_flist) { if (read_batch) gen_wants_ndx(first_flist->used + first_flist->ndx_start); flist_free(first_flist); if (first_flist) continue; } else if (read_batch && first_flist) gen_wants_ndx(first_flist->used); if (++phase > max_phase) break; if (verbose > 2) rprintf(FINFO, "recv_files phase=%d\n", phase); if (phase == 2 && delay_updates) handle_delayed_updates(local_name); send_msg(MSG_DONE, "", 0, 0); continue; } if (ndx - cur_flist->ndx_start >= 0) file = cur_flist->files[ndx - cur_flist->ndx_start]; else file = dir_flist->files[cur_flist->parent_ndx]; fname = local_name ? local_name : f_name(file, fbuf); if (verbose > 2) rprintf(FINFO, "recv_files(%s)\n", fname); #ifdef SUPPORT_XATTRS if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && do_xfers) recv_xattr_request(file, f_in); #endif if (!(iflags & ITEM_TRANSFER)) { maybe_log_item(file, iflags, itemizing, xname); #ifdef SUPPORT_XATTRS if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && do_xfers && !BITS_SET(iflags, ITEM_XNAME_FOLLOWS|ITEM_LOCAL_CHANGE)) set_file_attrs(fname, file, NULL, fname, 0); #endif continue; } if (phase == 2) { rprintf(FERROR, "got transfer request in phase 2 [%s]\n", who_am_i()); exit_cleanup(RERR_PROTOCOL); } if (file->flags & FLAG_FILE_SENT) { if (csum_length == SHORT_SUM_LENGTH) { if (keep_partial && !partial_dir) make_backups = -make_backups; /* prevents double backup */ if (append_mode) sparse_files = -sparse_files; append_mode = -append_mode; csum_length = SUM_LENGTH; redoing = 1; } } else { if (csum_length != SHORT_SUM_LENGTH) { if (keep_partial && !partial_dir) make_backups = -make_backups; if (append_mode) sparse_files = -sparse_files; append_mode = -append_mode; csum_length = SHORT_SUM_LENGTH; redoing = 0; } } if (!am_server && do_progress) set_current_file_index(file, ndx); stats.num_transferred_files++; stats.total_transferred_size += F_LENGTH(file); cleanup_got_literal = 0; if (daemon_filter_list.head && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0) { rprintf(FERROR, "attempt to hack rsync failed.\n"); exit_cleanup(RERR_PROTOCOL); } read_sum_head(f_in, &sum); if (read_batch) { int wanted = redoing ? we_want_redo(ndx) : gen_wants_ndx(ndx); if (!wanted) { rprintf(FINFO, "(Skipping batched update for%s \"%s\")\n", redoing ? " resend of" : "", fname); discard_receive_data(f_in, F_LENGTH(file), &sum, numMatchTokens, nextToken, nextData, file_sum); file->flags |= FLAG_FILE_SENT; continue; } } if (!do_xfers) { /* log the transfer */ log_item(FCLIENT, file, &stats, iflags, NULL); if (read_batch) discard_receive_data(f_in, F_LENGTH(file), &sum, numMatchTokens, nextToken, nextData, file_sum); continue; } if (write_batch < 0) { log_item(FCLIENT, file, &stats, iflags, NULL); if (!am_server) discard_receive_data(f_in, F_LENGTH(file), &sum, numMatchTokens, nextToken, nextData, file_sum); continue; } partialptr = partial_dir ? partial_dir_fname(fname) : fname; if (protocol_version >= 29) { switch (fnamecmp_type) { case FNAMECMP_FNAME: fnamecmp = fname; break; case FNAMECMP_PARTIAL_DIR: fnamecmp = partialptr; break; case FNAMECMP_BACKUP: fnamecmp = get_backup_name(fname); break; case FNAMECMP_FUZZY: if (file->dirname) { pathjoin(fnamecmpbuf, MAXPATHLEN, file->dirname, xname); fnamecmp = fnamecmpbuf; } else fnamecmp = xname; break; default: if (fnamecmp_type >= basis_dir_cnt) { rprintf(FERROR, "invalid basis_dir index: %d.\n", fnamecmp_type); exit_cleanup(RERR_PROTOCOL); } pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, basis_dir[fnamecmp_type], fname); fnamecmp = fnamecmpbuf; break; } if (!fnamecmp || (daemon_filter_list.head && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) { fnamecmp = fname; fnamecmp_type = FNAMECMP_FNAME; } } else { /* Reminder: --inplace && --partial-dir are never * enabled at the same time. */ if (inplace && make_backups > 0) { if (!(fnamecmp = get_backup_name(fname))) fnamecmp = fname; else fnamecmp_type = FNAMECMP_BACKUP; } else if (partial_dir && partialptr) fnamecmp = partialptr; else fnamecmp = fname; } initial_stats = stats; /* * Opening/reading/writing files in BackupPC is quite expensive, given the * compression. Before we open the file and call mkstemp, we peek ahead at * the delta tokens to see if the file is unchanged. If so, we skip the file * open, mkstemp and writing. The file is unchanged if the tokens * are sequential matching block numbers, which are encoded as * negative integers (ie: -1, -2, -3...), with no literal data * tokens (which have positive numbers). * * If the file has changed, at some point a matching block token * will be out of order, or we will encounter a literal data token. * At that point, we stop reading ahead and proceed as normal. * We pass the number of matching block tokens, and the first * unexpected token, to receive_data(), so it can process all * the tokens back (basically playing them back). * * Of course, this only applies if the file exists already, * and protocol_version 30 is required since older protocols * use MD4 for the full-file digest, not MD5. * * First we need to read the sum struct, then start reading the * tokens. */ recv_ok = 0; if ( protocol_version >= 30 ) { numMatchTokens = 0; while ( (nextToken = recv_token(f_in, &nextData)) != 0 ) { if ( nextToken != -numMatchTokens - 1 ) break; numMatchTokens++; } if ( nextToken == 0 ) { OFF_T flength = (OFF_T)numMatchTokens * sum.blength; if ( sum.remainder && numMatchTokens > 0 ) flength -= sum.blength - sum.remainder; /* * Likely exact match - read the final file digest and make * sure the digest and file size match the existing file. * If so, this call creates the temporary file so the * attributes can be checked/set, and then renamed as * before. */ read_buf(f_in, file_sum, MD5_DIGEST_LEN); if ( !bpc_sysCall_checkFileMatch(fnamecmp, fnametmp, file, file_sum, flength) ) { recv_ok = 1; if ( log_before_transfer ) { iflags &= ~ITEM_REPORT_CHANGE; log_item(FCLIENT, file, &initial_stats, iflags, NULL); } } } } if ( !recv_ok ) { /* * proceed as normal, remembering to replay the tokens we read ahead above: * first, numMatchTokens: -1, -2, ..., -numMatchTokens, * then (nextToken,nextData). After that we go back to reading the * remaining tokens from f_in. */ /* open the file */ fd1 = do_open(fnamecmp, O_RDONLY, 0); if ( fd1 < 0 && protocol_version >= 30 && always_checksum ) { /* * For protocol_version >= 30 and if always_checksum is set, we can use the * MD5 whole-file digest to check for a potential match via the pool. * Use that as the basis if the file is there. The generator does * the same in recv_generator(). */ if ( S_ISREG(file->mode) && !bpc_sysCall_poolFileCheck(fnamecmp, file) ) { fd1 = do_open(fnamecmp, O_RDONLY, 0); } } if (fd1 == -1 && protocol_version < 29) { if (fnamecmp != fname) { fnamecmp = fname; fd1 = do_open(fnamecmp, O_RDONLY, 0); } if (fd1 == -1 && basis_dir[0]) { /* pre-29 allowed only one alternate basis */ pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, basis_dir[0], fname); fnamecmp = fnamecmpbuf; fd1 = do_open(fnamecmp, O_RDONLY, 0); } } updating_basis_or_equiv = inplace && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP); if (fd1 == -1) { st.st_mode = 0; st.st_size = 0; } else if (do_fstat(fd1,&st) != 0) { rsyserr(FERROR_XFER, errno, "fstat %s failed", full_fname(fnamecmp)); discard_receive_data(f_in, F_LENGTH(file), &sum, numMatchTokens, nextToken, nextData, file_sum); bpc_close(fd1); if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); continue; } if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) { /* this special handling for directories * wouldn't be necessary if robust_rename() * and the underlying robust_unlink could cope * with directories */ rprintf(FERROR_XFER, "recv_files: %s is a directory\n", full_fname(fnamecmp)); discard_receive_data(f_in, F_LENGTH(file), &sum, numMatchTokens, nextToken, nextData, file_sum); bpc_close(fd1); if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); continue; } if (fd1 != -1 && !S_ISREG(st.st_mode)) { bpc_close(fd1); fd1 = -1; } /* If we're not preserving permissions, change the file-list's * mode based on the local permissions and some heuristics. */ if (!preserve_perms) { int exists = fd1 != -1; #if 0 /* was SUPPORT_ACLS */ const char *dn = file->dirname ? file->dirname : "."; if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) { dflt_perms = default_perms_for_dir(dn); parent_dirname = dn; } #endif file->mode = dest_mode(file->mode, st.st_mode, dflt_perms, exists); } /* We now check to see if we are writing the file "inplace" */ if (inplace) { fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600); if (fd2 == -1) { rsyserr(FERROR_XFER, errno, "open %s failed", full_fname(fname)); } } else { fd2 = open_tmpfile(fnametmp, fname, file); if (fd2 != -1) cleanup_set(fnametmp, partialptr, file, fd1, fd2); } if (fd2 == -1) { discard_receive_data(f_in, F_LENGTH(file), &sum, numMatchTokens, nextToken, nextData, file_sum); if (fd1 != -1) bpc_close(fd1); if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); continue; } /* log the transfer */ if (log_before_transfer) log_item(FCLIENT, file, &initial_stats, iflags, NULL); else if (!am_server && verbose && do_progress) rprintf(FINFO, "%s\n", fname); /* recv file data */ recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size, fname, fd2, F_LENGTH(file), &sum, numMatchTokens, nextToken, nextData, file_sum); if (fd1 != -1) bpc_close(fd1); if (bpc_close(fd2) < 0) { rsyserr(FERROR, errno, "close failed on %s", full_fname(fnametmp)); exit_cleanup(RERR_FILEIO); } } log_item(log_code, file, &initial_stats, iflags, NULL); if ((recv_ok && (!delay_updates || !partialptr)) || inplace) { if (partialptr == fname) partialptr = NULL; if (!finish_transfer(fname, fnametmp, fnamecmp, partialptr, file, recv_ok, 1)) recv_ok = -1; else if (fnamecmp == partialptr) { do_unlink(partialptr); handle_partial_dir(partialptr, PDIR_DELETE); } } else if (keep_partial && partialptr) { if (!handle_partial_dir(partialptr, PDIR_CREATE)) { rprintf(FERROR, "Unable to create partial-dir for %s -- discarding %s.\n", local_name ? local_name : f_name(file, NULL), recv_ok ? "completed file" : "partial file"); do_unlink(fnametmp); recv_ok = -1; } else if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL, file, recv_ok, !partial_dir)) recv_ok = -1; else if (delay_updates && recv_ok) { bitbag_set_bit(delayed_bits, ndx); recv_ok = 2; } else partialptr = NULL; } else do_unlink(fnametmp); cleanup_disable(); if (read_batch) file->flags |= FLAG_FILE_SENT; switch (recv_ok) { case 2: break; case 1: if (remove_source_files || inc_recurse || (preserve_hard_links && F_IS_HLINKED(file))) send_msg_int(MSG_SUCCESS, ndx); break; case 0: { enum logcode msgtype = redoing ? FERROR_XFER : FWARNING; if (msgtype == FERROR_XFER || verbose) { char *errstr, *redostr, *keptstr; if (!(keep_partial && partialptr) && !inplace) keptstr = "discarded"; else if (partial_dir) keptstr = "put into partial-dir"; else keptstr = "retained"; if (msgtype == FERROR_XFER) { errstr = "ERROR"; redostr = ""; } else { errstr = "WARNING"; redostr = read_batch ? " (may try again)" : " (will try again)"; } rprintf(msgtype, "%s: %s failed verification -- update %s%s.\n", errstr, local_name ? f_name(file, NULL) : fname, keptstr, redostr); } if (!redoing) { if (read_batch) flist_ndx_push(&batch_redo_list, ndx); send_msg_int(MSG_REDO, ndx); file->flags |= FLAG_FILE_SENT; bpc_sysCall_printfileStatus(fname, "retry"); } else if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); bpc_sysCall_printfileStatus(fname, "fail"); break; } case -1: if (inc_recurse) send_msg_int(MSG_NO_SEND, ndx); break; } } if (make_backups < 0) make_backups = -make_backups; if (phase == 2 && delay_updates) /* for protocol_version < 29 */ handle_delayed_updates(local_name); if (verbose > 2) rprintf(FINFO,"recv_files finished\n"); return 0; }
void emitter_free(UNUSED_PARAM(void* arg)) { if (emitter.fl) { flist_clear(emitter.fl); flist_free(emitter.fl); } }