X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/a53426441b67e3715099faa0c0d0bbca19fb6369..4fd842f98df4970f6e49a0365dbed60774e56c09:/receiver.c diff --git a/receiver.c b/receiver.c index 71897a94..efeb2a96 100644 --- a/receiver.c +++ b/receiver.c @@ -1,128 +1,65 @@ -/* -*- c-file-style: "linux" -*- - - Copyright (C) 1996-2000 by Andrew Tridgell - Copyright (C) Paul Mackerras 1996 - - 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 2 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, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ +/* + * Routines only used by the receiving process. + * + * Copyright (C) 1996-2000 Andrew Tridgell + * Copyright (C) 1996 Paul Mackerras + * Copyright (C) 2003-2007 Wayne Davison + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation. + * + * 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, visit the http://fsf.org website. + */ #include "rsync.h" extern int verbose; -extern int recurse; -extern int delete_mode; -extern int csum_length; -extern struct stats stats; extern int dry_run; +extern int do_xfers; extern int am_server; +extern int do_progress; +extern int inc_recurse; +extern int log_before_transfer; +extern int stdout_format_has_i; +extern int logfile_format_has_i; +extern int csum_length; +extern int read_batch; +extern int write_batch; +extern int batch_gen_fd; +extern int protocol_version; extern int relative_paths; extern int preserve_hard_links; -extern int cvs_exclude; -extern int io_error; -extern char *tmpdir; -extern char *compare_dest; +extern int preserve_perms; +extern int preserve_xattrs; +extern int basis_dir_cnt; extern int make_backups; -extern int do_progress; -extern char *backup_dir; -extern char *backup_suffix; -extern int backup_suffix_len; extern int cleanup_got_literal; +extern int remove_source_files; +extern int append_mode; +extern int sparse_files; +extern int keep_partial; +extern int checksum_seed; +extern int inplace; +extern int delay_updates; +extern mode_t orig_umask; +extern struct stats stats; +extern char *tmpdir; +extern char *partial_dir; +extern char *basis_dir[]; +extern struct file_list *cur_flist, *first_flist; +extern struct filter_list_struct server_filter_list; -static void delete_one(char *fn, int is_dir) -{ - if (!is_dir) { - if (robust_unlink(fn) != 0) { - rprintf(FERROR, "delete_one: unlink %s failed: %s\n", - full_fname(fn), strerror(errno)); - } else if (verbose) { - rprintf(FINFO, "deleting %s\n", fn); - } - } else { - if (do_rmdir(fn) != 0) { - if (errno != ENOTEMPTY && errno != EEXIST) { - rprintf(FERROR, "delete_one: rmdir %s failed: %s\n", - full_fname(fn), strerror(errno)); - } - } else if (verbose) { - rprintf(FINFO, "deleting directory %s\n", fn); - } - } -} - - -static int is_backup_file(char *fn) -{ - int k = strlen(fn) - backup_suffix_len; - return k > 0 && strcmp(fn+k, backup_suffix) == 0; -} - - -/* this deletes any files on the receiving side that are not present - * on the sending side. For version 1.6.4 I have changed the behaviour - * to match more closely what most people seem to expect of this option */ -void delete_files(struct file_list *flist) -{ - struct file_list *local_file_list; - int i, j; - char *argv[1], fbuf[MAXPATHLEN]; - extern int module_id; - extern int ignore_errors; - extern int max_delete; - static int deletion_count; - - if (cvs_exclude) - add_cvs_excludes(); - - if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) { - rprintf(FINFO,"IO error encountered - skipping file deletion\n"); - return; - } - - for (j = 0;j < flist->count; j++) { - if (!(flist->files[j]->flags & FLAG_TOP_DIR) - || !S_ISDIR(flist->files[j]->mode)) - continue; - - argv[0] = f_name_to(flist->files[j], fbuf); - - if (!(local_file_list = send_file_list(-1, 1, argv))) - continue; - - if (verbose > 1) - rprintf(FINFO,"deleting in %s\n", fbuf); - - for (i = local_file_list->count-1; i >= 0; i--) { - if (max_delete && deletion_count > max_delete) break; - if (!local_file_list->files[i]->basename) continue; - if (-1 == flist_find(flist,local_file_list->files[i])) { - char *f = f_name(local_file_list->files[i]); - if (make_backups && (backup_dir || !is_backup_file(f))) { - (void) make_backup(f); - if (verbose) - rprintf(FINFO, "deleting %s\n", f); - } else { - int mode = local_file_list->files[i]->mode; - delete_one(f, S_ISDIR(mode) != 0); - } - deletion_count++; - } - } - flist_free(local_file_list); - } -} - +static struct bitbag *delayed_bits = NULL; +static int phase = 0, redoing = 0; +/* We're either updating the basis file or an identical copy: */ +static int updating_basis; /* * get_tmpname() - create a tmp filename for a given filename @@ -145,17 +82,15 @@ void delete_files(struct file_list *flist) * As long as it's unique, rsync will work. */ -static int get_tmpname(char *fnametmp, char *fname) +int get_tmpname(char *fnametmp, char *fname) { + int maxname, added, length = 0; char *f; - int length = 0; - int maxname; if (tmpdir) { /* Note: this can't overflow, so the return value is safe */ length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2); fnametmp[length++] = '/'; - fnametmp[length] = '\0'; /* always NULL terminated */ } if ((f = strrchr(fname, '/')) != NULL) { @@ -168,8 +103,9 @@ static int get_tmpname(char *fnametmp, char *fname) } else f = fname; fnametmp[length++] = '.'; - fnametmp[length] = '\0'; /* always NULL terminated */ + /* The maxname value is bufsize, and includes space for the '\0'. + * (Note that NAME_MAX get -8 for the leading '.' above.) */ maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8); if (maxname < 1) { @@ -178,29 +114,68 @@ static int get_tmpname(char *fnametmp, char *fname) return 0; } - strlcpy(fnametmp + length, f, maxname); - strcat(fnametmp + length, ".XXXXXX"); + added = strlcpy(fnametmp + length, f, maxname); + if (added >= maxname) + added = maxname - 1; + memcpy(fnametmp + length + added, ".XXXXXX", 8); return 1; } -static int receive_data(int f_in,struct map_struct *mapbuf,int fd,char *fname, - OFF_T total_size) +static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, + const char *fname, int fd, OFF_T total_size) { - int i; + static char file_sum1[MAX_DIGEST_LEN]; + static char file_sum2[MAX_DIGEST_LEN]; + struct map_struct *mapbuf; struct sum_struct sum; - unsigned int len; + int32 len, sum_len; OFF_T offset = 0; OFF_T offset2; char *data; - static char file_sum1[MD4_SUM_LENGTH]; - static char file_sum2[MD4_SUM_LENGTH]; - char *map=NULL; + int32 i; + char *map = NULL; read_sum_head(f_in, &sum); - sum_init(); + if (fd_r >= 0 && size_r > 0) { + int32 read_size = MAX(sum.blength * 2, 16*1024); + mapbuf = map_file(fd_r, size_r, read_size, sum.blength); + if (verbose > 2) { + rprintf(FINFO, "recv mapped %s of size %.0f\n", + fname_r, (double)size_r); + } + } else + mapbuf = NULL; + + sum_init(checksum_seed); + + if (append_mode > 0) { + OFF_T j; + sum.flength = (OFF_T)sum.count * sum.blength; + if (sum.remainder) + sum.flength -= sum.blength - sum.remainder; + for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) { + if (do_progress) + show_progress(offset, total_size); + sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE), + CHUNK_SIZE); + offset = j; + } + if (offset < sum.flength) { + int32 len = (int32)(sum.flength - offset); + if (do_progress) + show_progress(offset, total_size); + sum_update(map_ptr(mapbuf, offset, len), len); + offset = sum.flength; + } + if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) { + rsyserr(FERROR, errno, "lseek of %s returned %.0f, not %.0f", + full_fname(fname), (double)j, (double)offset); + exit_cleanup(RERR_FILEIO); + } + } while ((i = recv_token(f_in, &data)) != 0) { if (do_progress) @@ -215,160 +190,372 @@ static int receive_data(int f_in,struct map_struct *mapbuf,int fd,char *fname, stats.literal_data += i; cleanup_got_literal = 1; - sum_update(data,i); + sum_update(data, i); - if (fd != -1 && write_file(fd,data,i) != i) { - rprintf(FERROR, "write failed on %s: %s\n", - full_fname(fname), strerror(errno)); - exit_cleanup(RERR_FILEIO); - } + if (fd != -1 && write_file(fd,data,i) != i) + goto report_write_error; offset += i; continue; } i = -(i+1); - offset2 = i*(OFF_T)sum.blength; + offset2 = i * (OFF_T)sum.blength; len = sum.blength; - if (i == (int) sum.count-1 && sum.remainder != 0) + if (i == (int)sum.count-1 && sum.remainder != 0) len = sum.remainder; stats.matched_data += len; - if (verbose > 3) - rprintf(FINFO,"chunk[%d] of size %d at %.0f offset=%.0f\n", - i,len,(double)offset2,(double)offset); + if (verbose > 3) { + rprintf(FINFO, + "chunk[%d] of size %ld at %.0f offset=%.0f\n", + i, (long)len, (double)offset2, (double)offset); + } if (mapbuf) { map = map_ptr(mapbuf,offset2,len); see_token(map, len); - sum_update(map,len); + sum_update(map, len); } - if (fd != -1 && write_file(fd,map,len) != (int) len) { - rprintf(FERROR, "write failed on %s: %s\n", - full_fname(fname), strerror(errno)); - exit_cleanup(RERR_FILEIO); + if (updating_basis) { + if (offset == offset2 && fd != -1) { + OFF_T pos; + if (flush_write_file(fd) < 0) + goto report_write_error; + offset += len; + if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) { + rsyserr(FERROR, errno, + "lseek of %s returned %.0f, not %.0f", + full_fname(fname), + (double)pos, (double)offset); + exit_cleanup(RERR_FILEIO); + } + continue; + } } + if (fd != -1 && map && write_file(fd, map, len) != (int)len) + goto report_write_error; offset += len; } - flush_write_file(fd); + if (flush_write_file(fd) < 0) + goto report_write_error; + +#ifdef HAVE_FTRUNCATE + if (inplace && fd != -1) + ftruncate(fd, offset); +#endif if (do_progress) end_progress(total_size); if (fd != -1 && offset > 0 && sparse_end(fd) != 0) { - rprintf(FERROR, "write failed on %s: %s\n", - full_fname(fname), strerror(errno)); + report_write_error: + rsyserr(FERROR, errno, "write failed on %s", + full_fname(fname)); exit_cleanup(RERR_FILEIO); } - sum_end(file_sum1); + sum_len = sum_end(file_sum1); + + if (mapbuf) + unmap_file(mapbuf); - read_buf(f_in,file_sum2,MD4_SUM_LENGTH); - if (verbose > 2) { + read_buf(f_in, file_sum2, sum_len); + if (verbose > 2) rprintf(FINFO,"got file_sum\n"); - } - if (fd != -1 && memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0) { + if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0) return 0; - } return 1; } +static void discard_receive_data(int f_in, OFF_T length) +{ + receive_data(f_in, NULL, -1, 0, NULL, -1, length); +} + +static void handle_delayed_updates(char *local_name) +{ + char *fname, *partialptr; + int ndx; + + for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) { + struct file_struct *file = cur_flist->files[ndx]; + fname = local_name ? local_name : f_name(file, NULL); + if ((partialptr = partial_dir_fname(fname)) != NULL) { + if (make_backups > 0 && !make_backup(fname)) + continue; + if (verbose > 2) { + rprintf(FINFO, "renaming %s to %s\n", + partialptr, fname); + } + /* We don't use robust_rename() here because the + * partial-dir must be on the same drive. */ + if (do_rename(partialptr, fname) < 0) { + rsyserr(FERROR, errno, + "rename failed for %s (from %s)", + full_fname(fname), partialptr); + } else { + if (remove_source_files + || (preserve_hard_links && F_IS_HLINKED(file))) + send_msg_int(MSG_SUCCESS, ndx); + handle_partial_dir(partialptr, PDIR_DELETE); + } + } + } +} + +static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx) +{ + while (next_gen_ndx < desired_ndx) { + if (next_gen_ndx >= 0) { + rprintf(FINFO, + "(No batched update for%s \"%s\")\n", + redoing ? " resend of" : "", + f_name(cur_flist->files[next_gen_ndx], NULL)); + } + next_gen_ndx = read_int(fd); + if (next_gen_ndx == -1) { + if (inc_recurse) + next_gen_ndx = first_flist->prev->count + first_flist->prev->ndx_start; + else + next_gen_ndx = cur_flist->count; + } + } + return next_gen_ndx; +} + /** * main routine for receiver process. * * Receiver process runs on the same host as the generator process. */ -int recv_files(int f_in,struct file_list *flist,char *local_name) +int recv_files(int f_in, char *local_name) { + int next_gen_ndx = -1; int fd1,fd2; STRUCT_STAT st; + int iflags, xlen; char *fname, fbuf[MAXPATHLEN]; - char template[MAXPATHLEN]; + char xname[MAXPATHLEN]; char fnametmp[MAXPATHLEN]; - char *fnamecmp; + char *fnamecmp, *partialptr; char fnamecmpbuf[MAXPATHLEN]; - struct map_struct *mapbuf; - int i; + uchar fnamecmp_type; struct file_struct *file; - int phase=0; - int recv_ok; - extern struct stats stats; - extern int preserve_perms; - extern int delete_after; - extern int orig_umask; 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",flist->count); - } + if (verbose > 2) + rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->count); + + if (delay_updates) + delayed_bits = bitbag_create(cur_flist->count + 1); + + updating_basis = inplace; while (1) { cleanup_disable(); - i = read_int(f_in); - if (i == -1) { - if (phase == 0) { - phase++; - csum_length = SUM_LENGTH; - if (verbose > 2) - rprintf(FINFO,"recv_files phase=%d\n",phase); - send_msg(MSG_DONE, "", 0); - continue; + /* 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) { + flist_free(first_flist); + if (first_flist) + continue; } - break; + if (read_batch && cur_flist) { + int high = inc_recurse + ? first_flist->prev->count + first_flist->prev->ndx_start + : cur_flist->count; + get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high); + next_gen_ndx = -1; + } + 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 (i < 0 || i >= flist->count) { - rprintf(FERROR,"Invalid file index %d in recv_files (count=%d)\n", - i, flist->count); + file = cur_flist->files[ndx - cur_flist->ndx_start]; + 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); } - file = flist->files[i]; + if (file->flags & FLAG_FILE_SENT) { + if (csum_length == SHORT_SUM_LENGTH) { + if (keep_partial && !partial_dir) + make_backups = -make_backups; /* prevents double backup */ + append_mode = -append_mode; + sparse_files = -sparse_files; + csum_length = SUM_LENGTH; + redoing = 1; + } + } else { + if (csum_length != SHORT_SUM_LENGTH) { + if (keep_partial && !partial_dir) + make_backups = -make_backups; + append_mode = -append_mode; + sparse_files = -sparse_files; + csum_length = SHORT_SUM_LENGTH; + redoing = 0; + } + } - stats.current_file_index = i; + stats.current_file_index = ndx; stats.num_transferred_files++; - stats.total_transferred_size += file->length; + stats.total_transferred_size += F_LENGTH(file); cleanup_got_literal = 0; - if (local_name) - fname = local_name; - else - fname = f_name_to(file, fbuf); + if (server_filter_list.head + && check_filter(&server_filter_list, fname, 0) < 0) { + rprintf(FERROR, "attempt to hack rsync failed.\n"); + exit_cleanup(RERR_PROTOCOL); + } - if (dry_run) { - if (!am_server && verbose) { /* log transfer */ - rprintf(FINFO, "%s\n", fname); - } + 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(FINFO, file, &stats, iflags, NULL); + if (!am_server) + discard_receive_data(f_in, F_LENGTH(file)); continue; } - initial_stats = stats; + if (read_batch) { + next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx); + if (ndx < next_gen_ndx) { + rprintf(FINFO, + "(Skipping batched update for \"%s\")\n", + fname); + discard_receive_data(f_in, F_LENGTH(file)); + if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); + continue; + } + next_gen_ndx = -1; + } - if (verbose > 2) - rprintf(FINFO,"recv_files(%s)\n",fname); + 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: + updating_basis = 0; + if (file->dirname) { + pathjoin(fnamecmpbuf, MAXPATHLEN, + file->dirname, xname); + fnamecmp = fnamecmpbuf; + } else + fnamecmp = xname; + break; + default: + updating_basis = 0; + 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 || (server_filter_list.head + && check_filter(&server_filter_list, fname, 0) < 0)) + 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 if (partial_dir && partialptr) + fnamecmp = partialptr; + else + fnamecmp = fname; + } - fnamecmp = fname; + initial_stats = stats; /* open the file */ fd1 = do_open(fnamecmp, O_RDONLY, 0); - if ((fd1 == -1) && (compare_dest != NULL)) { - /* try the file at compare_dest instead */ - pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, - compare_dest, fname); - fnamecmp = fnamecmpbuf; - 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); + } } - if (fd1 != -1 && do_fstat(fd1,&st) != 0) { - rprintf(FERROR, "fstat %s failed: %s\n", - full_fname(fnamecmp), strerror(errno)); - receive_data(f_in,NULL,-1,NULL,file->length); + if (fd1 == -1) { + st.st_mode = 0; + st.st_size = 0; + } else if (do_fstat(fd1,&st) != 0) { + rsyserr(FERROR, 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; } @@ -380,105 +567,174 @@ int recv_files(int f_in,struct file_list *flist,char *local_name) */ rprintf(FERROR,"recv_files: %s is a directory\n", full_fname(fnamecmp)); - receive_data(f_in, NULL, -1, NULL, file->length); + 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; - mapbuf = NULL; } - if (fd1 != -1 && !preserve_perms) { - /* if the file exists already and we aren't preserving - * permissions then act as though the remote end sent - * us the file permissions we already have */ - file->mode = st.st_mode; + /* 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); } - if (fd1 != -1 && st.st_size > 0) { - mapbuf = map_file(fd1,st.st_size); - if (verbose > 2) - rprintf(FINFO,"recv mapped %s of size %.0f\n",fnamecmp,(double)st.st_size); - } else - mapbuf = NULL; - - if (!get_tmpname(fnametmp,fname)) { - if (mapbuf) unmap_file(mapbuf); - if (fd1 != -1) close(fd1); - continue; - } + /* 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, errno, "open %s failed", + full_fname(fname)); + discard_receive_data(f_in, F_LENGTH(file)); + if (fd1 != -1) + close(fd1); + if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); + continue; + } + } else { + if (!get_tmpname(fnametmp,fname)) { + discard_receive_data(f_in, F_LENGTH(file)); + if (fd1 != -1) + close(fd1); + if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); + continue; + } - strlcpy(template, fnametmp, sizeof(template)); - - /* we initially set the perms without the - * setuid/setgid bits to ensure that there is no race - * condition. They are then correctly updated after - * the lchown. Thanks to snabb@epipe.fi for pointing - * this out. We also set it initially without group - * access because of a similar race condition. */ - fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); - - /* in most cases parent directories will already exist - * because their information should have been previously - * transferred, but that may not be the case with -R */ - if (fd2 == -1 && relative_paths && errno == ENOENT && - create_directory_path(fnametmp, orig_umask) == 0) { - strlcpy(fnametmp, template, sizeof(fnametmp)); + /* we initially set the perms without the + * setuid/setgid bits to ensure that there is no race + * condition. They are then correctly updated after + * the lchown. Thanks to snabb@epipe.fi for pointing + * this out. We also set it initially without group + * access because of a similar race condition. */ fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); - } - if (fd2 == -1) { - rprintf(FERROR, "mkstemp %s failed: %s\n", - full_fname(fnametmp), strerror(errno)); - receive_data(f_in,mapbuf,-1,NULL,file->length); - if (mapbuf) unmap_file(mapbuf); - if (fd1 != -1) close(fd1); - continue; - } - cleanup_set(fnametmp, fname, file, mapbuf, fd1, fd2); + /* in most cases parent directories will already exist + * because their information should have been previously + * transferred, but that may not be the case with -R */ + if (fd2 == -1 && relative_paths && errno == ENOENT + && create_directory_path(fnametmp) == 0) { + /* Get back to name with XXXXXX in it. */ + get_tmpname(fnametmp, fname); + fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); + } + if (fd2 == -1) { + rsyserr(FERROR, errno, "mkstemp %s failed", + full_fname(fnametmp)); + discard_receive_data(f_in, F_LENGTH(file)); + if (fd1 != -1) + close(fd1); + if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); + continue; + } - if (!am_server && verbose) { /* log transfer */ - rprintf(FINFO, "%s\n", fname); + cleanup_set(fnametmp, partialptr, file, fd1, fd2); } + /* 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,mapbuf,fd2,fname,file->length); + recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size, + fname, fd2, F_LENGTH(file)); - log_recv(file, &initial_stats); + log_item(log_code, file, &initial_stats, iflags, NULL); - if (mapbuf) unmap_file(mapbuf); - if (fd1 != -1) { + if (fd1 != -1) close(fd1); + if (close(fd2) < 0) { + rsyserr(FERROR, errno, "close failed on %s", + full_fname(fnametmp)); + exit_cleanup(RERR_FILEIO); } - close(fd2); - if (verbose > 2) - rprintf(FINFO,"renaming %s to %s\n",fnametmp,fname); - - finish_transfer(fname, fnametmp, file); + if ((recv_ok && (!delay_updates || !partialptr)) || inplace) { + char *temp_copy_name; + if (partialptr == fname) + partialptr = temp_copy_name = NULL; + else if (*partial_dir == '/') + temp_copy_name = NULL; + else + temp_copy_name = partialptr; + finish_transfer(fname, fnametmp, fnamecmp, + temp_copy_name, file, recv_ok, 1); + if (fnamecmp == partialptr) { + do_unlink(partialptr); + handle_partial_dir(partialptr, PDIR_DELETE); + } + } else if (keep_partial && partialptr + && handle_partial_dir(partialptr, PDIR_CREATE)) { + finish_transfer(partialptr, fnametmp, fnamecmp, NULL, + file, recv_ok, !partial_dir); + if (delay_updates && recv_ok) { + bitbag_set_bit(delayed_bits, ndx); + recv_ok = -1; + } + } else { + partialptr = NULL; + do_unlink(fnametmp); + } cleanup_disable(); - if (!recv_ok) { - if (csum_length == SUM_LENGTH) { - rprintf(FERROR,"ERROR: file corruption in %s. File changed during transfer?\n", - full_fname(fname)); - } else { - char buf[4]; - if (verbose > 1) - rprintf(FINFO,"redoing %s(%d)\n",fname,i); - SIVAL(buf, 0, i); - send_msg(MSG_REDO, buf, 4); + if (recv_ok > 0) { + if (remove_source_files || inc_recurse + || (preserve_hard_links && F_IS_HLINKED(file))) + send_msg_int(MSG_SUCCESS, ndx); + } else if (!recv_ok) { + enum logcode msgtype = redoing || read_batch ? FERROR : FINFO; + if (msgtype == FERROR || 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) { + errstr = "ERROR"; + redostr = ""; + } else { + errstr = "WARNING"; + redostr = " (will try again)"; + } + rprintf(msgtype, + "%s: %s failed verification -- update %s%s.\n", + errstr, fname, keptstr, redostr); } + if (!redoing) { + send_msg_int(MSG_REDO, ndx); + file->flags |= FLAG_FILE_SENT; + } else if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); } } + if (make_backups < 0) + make_backups = -make_backups; - if (delete_after && recurse && delete_mode && !local_name - && flist->count > 0) - delete_files(flist); + if (phase == 2 && delay_updates) /* for protocol_version < 29 */ + handle_delayed_updates(local_name); if (verbose > 2) rprintf(FINFO,"recv_files finished\n");