X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/45c49b52a488882bbbd5366420389abbbeede7c9..6d56efa6ea66afa2e6f4eb79d9dd5f3b54b723c3:/receiver.c diff --git a/receiver.c b/receiver.c index db4f7f89..05ac184c 100644 --- a/receiver.c +++ b/receiver.c @@ -1,128 +1,64 @@ -/* -*- 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) 2003-2008 Wayne Davison + * + * 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, visit the http://fsf.org website. + */ #include "rsync.h" -extern int verbose; +extern int dry_run; extern int do_xfers; -extern int am_daemon; extern int am_server; -extern int do_progress; +extern int inc_recurse; extern int log_before_transfer; -extern int log_format_has_i; -extern int daemon_log_format_has_i; +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 keep_dirlinks; extern int preserve_hard_links; extern int preserve_perms; -extern int io_error; +extern int preserve_xattrs; extern int basis_dir_cnt; extern int make_backups; extern int cleanup_got_literal; -extern int remove_sent_files; -extern int module_id; -extern int ignore_errors; -extern int orig_umask; +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 *log_format; extern char *tmpdir; extern char *partial_dir; extern char *basis_dir[]; -extern struct file_list *the_file_list; -extern struct filter_list_struct server_filter_list; - -#define SLOT_SIZE (16*1024) /* Desired size in bytes */ -#define PER_SLOT_BITS (SLOT_SIZE * 8) /* Number of bits per slot */ -#define PER_SLOT_INTS (SLOT_SIZE / 4) /* Number of int32s per slot */ - -static uint32 **delayed_bits = NULL; -static int delayed_slot_cnt = 0; -static int phase = 0; - -static void init_delayed_bits(int max_ndx) -{ - delayed_slot_cnt = (max_ndx + PER_SLOT_BITS - 1) / PER_SLOT_BITS; - - if (!(delayed_bits = (uint32**)calloc(delayed_slot_cnt, sizeof (uint32*)))) - out_of_memory("set_delayed_bit"); -} - -static void set_delayed_bit(int ndx) -{ - int slot = ndx / PER_SLOT_BITS; - ndx %= PER_SLOT_BITS; - - if (!delayed_bits[slot]) { - if (!(delayed_bits[slot] = (uint32*)calloc(PER_SLOT_INTS, 4))) - out_of_memory("set_delayed_bit"); - } - - delayed_bits[slot][ndx/32] |= 1u << (ndx % 32); -} - -/* Call this with -1 to start checking from 0. Returns -1 at the end. */ -static int next_delayed_bit(int after) -{ - uint32 bits, mask; - int i, ndx = after + 1; - int slot = ndx / PER_SLOT_BITS; - ndx %= PER_SLOT_BITS; - - mask = (1u << (ndx % 32)) - 1; - for (i = ndx / 32; slot < delayed_slot_cnt; slot++, i = mask = 0) { - if (!delayed_bits[slot]) - continue; - for ( ; i < PER_SLOT_INTS; i++, mask = 0) { - if (!(bits = delayed_bits[slot][i] & ~mask)) - continue; - /* The xor magic figures out the lowest enabled bit in - * bits, and the switch quickly computes log2(bit). */ - switch (bits ^ (bits & (bits-1))) { -#define LOG2(n) case 1u << n: return slot*PER_SLOT_BITS + i*32 + n - LOG2(0); LOG2(1); LOG2(2); LOG2(3); - LOG2(4); LOG2(5); LOG2(6); LOG2(7); - LOG2(8); LOG2(9); LOG2(10); LOG2(11); - LOG2(12); LOG2(13); LOG2(14); LOG2(15); - LOG2(16); LOG2(17); LOG2(18); LOG2(19); - LOG2(20); LOG2(21); LOG2(22); LOG2(23); - LOG2(24); LOG2(25); LOG2(26); LOG2(27); - LOG2(28); LOG2(29); LOG2(30); LOG2(31); - } - return -1; /* impossible... */ - } - } - - return -1; -} +extern struct file_list *cur_flist, *first_flist, *dir_flist; +extern struct filter_list_struct daemon_filter_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_or_equiv; /* * get_tmpname() - create a tmp filename for a given filename @@ -145,17 +81,15 @@ static int next_delayed_bit(int after) * As long as it's unique, rsync will work. */ -static int get_tmpname(char *fnametmp, char *fname) +int get_tmpname(char *fnametmp, const char *fname) { - char *f; - int length = 0; - int maxname; + int maxname, added, length = 0; + const char *f; 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) { @@ -168,31 +102,71 @@ 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) { - rprintf(FERROR, "temporary filename too long: %s\n", fname); + rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname); fnametmp[0] = '\0'; 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; } +/* Opens a temporary file for writing. + * Success: Writes name into fnametmp, returns fd. + * Failure: Clobbers fnametmp, returns -1. + * Calling cleanup_set() is the caller's job. */ +int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file) +{ + int fd; + + if (!get_tmpname(fnametmp, fname)) + return -1; + + /* We initially set the perms without the setuid/setgid bits or group + * access to ensure that there is no race condition. They will be + * correctly updated after the right owner and group info is set. + * (Thanks to snabb@epipe.fi for pointing this out.) */ + fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); + +#if 0 + /* 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 (fd == -1 && relative_paths && errno == ENOENT + && create_directory_path(fnametmp) == 0) { + /* Get back to name with XXXXXX in it. */ + get_tmpname(fnametmp, fname); + fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS); + } +#endif + + if (fd == -1) { + rsyserr(FERROR_XFER, errno, "mkstemp %s failed", + full_fname(fnametmp)); + return -1; + } + + return fd; +} static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, - char *fname, int fd, OFF_T total_size) + const char *fname, int fd, OFF_T total_size) { - static char file_sum1[MD4_SUM_LENGTH]; - static char file_sum2[MD4_SUM_LENGTH]; + static char file_sum1[MAX_DIGEST_LEN]; + static char file_sum2[MAX_DIGEST_LEN]; struct map_struct *mapbuf; struct sum_struct sum; - int32 len; + int32 len, sum_len; OFF_T offset = 0; OFF_T offset2; char *data; @@ -204,49 +178,51 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, 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); + if (DEBUG_GTE(CHKSUM, 2)) { + rprintf(FINFO, "recv mapped %s of size %s\n", + fname_r, big_num(size_r, 0)); } } else mapbuf = NULL; sum_init(checksum_seed); - if (append_mode) { + 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 = sum.flength - offset; - if (do_progress) - show_progress(offset, total_size); - sum_update(map_ptr(mapbuf, offset, len), len); - offset = sum.flength; + if (append_mode == 2) { + for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) { + if (INFO_GTE(PROGRESS, 1)) + 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 (INFO_GTE(PROGRESS, 1)) + show_progress(offset, total_size); + sum_update(map_ptr(mapbuf, offset, len), len); + } } - if (fd != -1 && do_lseek(fd, offset, SEEK_SET) != offset) { - rsyserr(FERROR, errno, "lseek failed on %s", - full_fname(fname)); + offset = sum.flength; + if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) { + rsyserr(FERROR_XFER, errno, "lseek of %s returned %s, not %s", + full_fname(fname), big_num(j, 0), big_num(offset, 0)); exit_cleanup(RERR_FILEIO); } } while ((i = recv_token(f_in, &data)) != 0) { - if (do_progress) + if (INFO_GTE(PROGRESS, 1)) show_progress(offset, total_size); if (i > 0) { - if (verbose > 3) { - rprintf(FINFO,"data recv %d at %.0f\n", - i,(double)offset); + if (DEBUG_GTE(CHKSUM, 3)) { + rprintf(FINFO,"data recv %d at %s\n", + i, big_num(offset, 0)); } stats.literal_data += i; @@ -268,10 +244,10 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, stats.matched_data += len; - if (verbose > 3) { + if (DEBUG_GTE(CHKSUM, 3)) { rprintf(FINFO, - "chunk[%d] of size %ld at %.0f offset=%.0f\n", - i, (long)len, (double)offset2, (double)offset); + "chunk[%d] of size %ld at %s offset=%s\n", + i, (long)len, big_num(offset2, 0), big_num(offset, 0)); } if (mapbuf) { @@ -281,15 +257,17 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, sum_update(map, len); } - if (inplace) { + if (updating_basis_or_equiv) { if (offset == offset2 && fd != -1) { + OFF_T pos; if (flush_write_file(fd) < 0) goto report_write_error; offset += len; - if (do_lseek(fd, len, SEEK_CUR) != offset) { - rsyserr(FERROR, errno, - "lseek failed on %s", - full_fname(fname)); + if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) { + rsyserr(FERROR_XFER, errno, + "lseek of %s returned %s, not %s", + full_fname(fname), + big_num(pos, 0), big_num(offset, 0)); exit_cleanup(RERR_FILEIO); } continue; @@ -308,25 +286,25 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, ftruncate(fd, offset); #endif - if (do_progress) + if (INFO_GTE(PROGRESS, 1)) end_progress(total_size); if (fd != -1 && offset > 0 && sparse_end(fd) != 0) { report_write_error: - rsyserr(FERROR, errno, "write failed on %s", + rsyserr(FERROR_XFER, 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 (DEBUG_GTE(CHKSUM, 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; } @@ -337,132 +315,144 @@ 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(struct file_list *flist, char *local_name) +static void handle_delayed_updates(char *local_name) { - char *fname, *partialptr, numbuf[4]; - int i; + char *fname, *partialptr; + int ndx; - for (i = -1; (i = next_delayed_bit(i)) >= 0; ) { - struct file_struct *file = flist->files[i]; - fname = local_name ? local_name : f_name(file); + 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 && !make_backup(fname)) + if (make_backups > 0 && !make_backup(fname)) continue; - if (verbose > 2) { + if (DEBUG_GTE(RECV, 1)) { 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, + rsyserr(FERROR_XFER, errno, "rename failed for %s (from %s)", full_fname(fname), partialptr); } else { - if (remove_sent_files - || (preserve_hard_links - && file->link_u.links)) { - SIVAL(numbuf, 0, i); - send_msg(MSG_SUCCESS,numbuf,4); - } + 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_i(int batch_gen_fd, int next_gen_i, int desired_i) +static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx) { - while (next_gen_i < desired_i) { - if (next_gen_i >= 0) { - rprintf(FINFO, + while (next_gen_ndx < desired_ndx) { + if (next_gen_ndx >= 0) { + struct file_struct *file = cur_flist->files[next_gen_ndx]; + rprintf(FERROR_XFER, "(No batched update for%s \"%s\")\n", - phase ? " resend of" : "", - f_name(the_file_list->files[next_gen_i])); + file->flags & FLAG_FILE_SENT ? " resend of" : "", + f_name(file, NULL)); + } + next_gen_ndx = read_int(fd); + if (next_gen_ndx == -1) { + if (inc_recurse) + next_gen_ndx = first_flist->prev->used + first_flist->prev->ndx_start; + else + next_gen_ndx = cur_flist->used; } - next_gen_i = read_int(batch_gen_fd); - if (next_gen_i == -1) - next_gen_i = the_file_list->count; } - return next_gen_i; + 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_i = -1; + int next_gen_ndx = -1; int fd1,fd2; STRUCT_STAT st; int iflags, xlen; char *fname, fbuf[MAXPATHLEN]; char xname[MAXPATHLEN]; char fnametmp[MAXPATHLEN]; - char *fnamecmp, *partialptr, numbuf[4]; + char *fnamecmp, *partialptr; char fnamecmpbuf[MAXPATHLEN]; uchar fnamecmp_type; struct file_struct *file; struct stats initial_stats; - int save_make_backups = make_backups; - int itemizing = am_daemon ? daemon_log_format_has_i - : !am_server && log_format_has_i; + 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 i, recv_ok; - - if (verbose > 2) - rprintf(FINFO,"recv_files(%d) starting\n",flist->count); + int dflt_perms = (ACCESSPERMS & ~orig_umask); +#ifdef SUPPORT_ACLS + const char *parent_dirname = ""; +#endif + int ndx, recv_ok; - if (flist->hlink_pool) { - pool_destroy(flist->hlink_pool); - flist->hlink_pool = NULL; - } + if (DEBUG_GTE(RECV, 1)) + rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used); if (delay_updates) - init_delayed_bits(flist->count); + delayed_bits = bitbag_create(cur_flist->used + 1); while (1) { cleanup_disable(); - i = read_int(f_in); - if (i == -1) { - if (read_batch) { - get_next_gen_i(batch_gen_fd, next_gen_i, - flist->count); - next_gen_i = -1; + /* This call also sets cur_flist. */ + ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type, + xname, &xlen); + if (ndx == NDX_DONE) { + if (!am_server && INFO_GTE(PROGRESS, 2) && cur_flist) { + set_current_file_index(NULL, 0); + end_progress(0); + } + if (inc_recurse && first_flist) { + flist_free(first_flist); + if (first_flist) + continue; + } + if (read_batch && cur_flist) { + int high = inc_recurse + ? first_flist->prev->used + first_flist->prev->ndx_start + : cur_flist->used; + get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high); + next_gen_ndx = -1; } if (++phase > max_phase) break; - csum_length = SUM_LENGTH; - if (verbose > 2) + if (DEBUG_GTE(RECV, 1)) rprintf(FINFO, "recv_files phase=%d\n", phase); if (phase == 2 && delay_updates) - handle_delayed_updates(flist, local_name); - send_msg(MSG_DONE, "", 0); - if (keep_partial && !partial_dir) - make_backups = 0; /* prevents double backup */ - if (append_mode) { - append_mode = 0; - sparse_files = 0; - } + handle_delayed_updates(local_name); + send_msg(MSG_DONE, "", 0, 0); continue; } - iflags = read_item_attrs(f_in, -1, i, &fnamecmp_type, - xname, &xlen); - if (iflags == ITEM_IS_NEW) /* no-op packet */ - continue; - - file = flist->files[i]; - fname = local_name ? local_name : f_name_to(file, fbuf); + 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) + if (DEBUG_GTE(RECV, 1)) 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) { @@ -472,41 +462,66 @@ int recv_files(int f_in, struct file_list *flist, char *local_name) exit_cleanup(RERR_PROTOCOL); } - stats.current_file_index = 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 */ + 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 && INFO_GTE(PROGRESS, 1)) + set_current_file_index(file, ndx); stats.num_transferred_files++; - stats.total_transferred_size += file->length; + stats.total_transferred_size += F_LENGTH(file); + cleanup_got_literal = 0; - if (server_filter_list.head - && check_filter(&server_filter_list, fname, 0) < 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 */ - if (!am_server && log_format) - log_item(file, &stats, iflags, NULL); + log_item(FCLIENT, file, &stats, iflags, NULL); if (read_batch) - discard_receive_data(f_in, file->length); + discard_receive_data(f_in, F_LENGTH(file)); continue; } if (write_batch < 0) { - log_item(file, &stats, iflags, NULL); + log_item(FCLIENT, file, &stats, iflags, NULL); if (!am_server) - discard_receive_data(f_in, file->length); + discard_receive_data(f_in, F_LENGTH(file)); continue; } if (read_batch) { - next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i); - if (i < next_gen_i) { + 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, file->length); + discard_receive_data(f_in, F_LENGTH(file)); + if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); continue; } - next_gen_i = -1; + next_gen_ndx = -1; } partialptr = partial_dir ? partial_dir_fname(fname) : fname; @@ -542,15 +557,19 @@ int recv_files(int f_in, struct file_list *flist, char *local_name) fnamecmp = fnamecmpbuf; break; } - if (!fnamecmp || (server_filter_list.head - && check_filter(&server_filter_list, fname, 0) < 0)) + 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) { + 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 @@ -577,11 +596,19 @@ int recv_files(int f_in, struct file_list *flist, char *local_name) } } - if (fd1 != -1 && do_fstat(fd1,&st) != 0) { - rsyserr(FERROR, errno, "fstat %s failed", + 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, file->length); + discard_receive_data(f_in, F_LENGTH(file)); close(fd1); + if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); continue; } @@ -591,10 +618,12 @@ int recv_files(int f_in, struct file_list *flist, char *local_name) * and the underlying robust_unlink could cope * with directories */ - rprintf(FERROR,"recv_files: %s is a directory\n", + rprintf(FERROR_XFER, "recv_files: %s is a directory\n", full_fname(fnamecmp)); - discard_receive_data(f_in, file->length); + discard_receive_data(f_in, F_LENGTH(file)); close(fd1); + if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); continue; } @@ -603,74 +632,55 @@ int recv_files(int f_in, struct file_list *flist, char *local_name) fd1 = -1; } - 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); } - /* We now check to see if we are writing file "inplace" */ + /* 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", + rsyserr(FERROR_XFER, errno, "open %s failed", full_fname(fname)); - discard_receive_data(f_in, file->length); - if (fd1 != -1) - close(fd1); - continue; } } else { - if (!get_tmpname(fnametmp,fname)) { - discard_receive_data(f_in, file->length); - if (fd1 != -1) - close(fd1); - continue; - } - - /* 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) { - /* 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, file->length); - if (fd1 != -1) - close(fd1); - continue; - } - - if (keep_partial) + 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(file, &initial_stats, iflags, NULL); - else if (!am_server && verbose && do_progress) + log_item(FCLIENT, file, &initial_stats, iflags, NULL); + else if (!am_server && INFO_GTE(NAME, 1) && INFO_EQ(PROGRESS, 1)) rprintf(FINFO, "%s\n", fname); /* recv file data */ recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size, - fname, fd2, file->length); + fname, fd2, F_LENGTH(file)); - if (!log_before_transfer) - log_item(file, &initial_stats, iflags, NULL); + log_item(log_code, file, &initial_stats, iflags, NULL); if (fd1 != -1) close(fd1); @@ -681,18 +691,23 @@ int recv_files(int f_in, struct file_list *flist, char *local_name) } if ((recv_ok && (!delay_updates || !partialptr)) || inplace) { - finish_transfer(fname, fnametmp, file, recv_ok, 1); - if (partialptr != fname && fnamecmp == partialptr) { + 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 && handle_partial_dir(partialptr, PDIR_CREATE)) { - finish_transfer(partialptr, fnametmp, file, recv_ok, - !partial_dir); - if (delay_updates && recv_ok) { - set_delayed_bit(i); + 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; @@ -701,15 +716,15 @@ int recv_files(int f_in, struct file_list *flist, char *local_name) cleanup_disable(); - if (recv_ok > 0) { - if (remove_sent_files - || (preserve_hard_links && file->link_u.links)) { - SIVAL(numbuf, 0, i); - send_msg(MSG_SUCCESS, numbuf, 4); - } - } else if (!recv_ok) { - int msgtype = phase || read_batch ? FERROR : FINFO; - if (msgtype == FERROR || verbose) { + switch (recv_ok) { + 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 || INFO_GTE(NAME, 1)) { char *errstr, *redostr, *keptstr; if (!(keep_partial && partialptr) && !inplace) keptstr = "discarded"; @@ -717,29 +732,39 @@ int recv_files(int f_in, struct file_list *flist, char *local_name) keptstr = "put into partial-dir"; else keptstr = "retained"; - if (msgtype == FERROR) { + if (msgtype == FERROR_XFER) { errstr = "ERROR"; redostr = ""; } else { errstr = "WARNING"; - redostr = " (will try again)"; + redostr = read_batch ? " (may try again)" + : " (will try again)"; } rprintf(msgtype, "%s: %s failed verification -- update %s%s.\n", - errstr, fname, keptstr, redostr); - } - if (!phase) { - SIVAL(numbuf, 0, i); - send_msg(MSG_REDO, numbuf, 4); + errstr, local_name ? f_name(file, NULL) : 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); + break; + } + case -1: + if (inc_recurse) + send_msg_int(MSG_NO_SEND, ndx); + break; } } - make_backups = save_make_backups; + if (make_backups < 0) + make_backups = -make_backups; if (phase == 2 && delay_updates) /* for protocol_version < 29 */ - handle_delayed_updates(flist, local_name); + handle_delayed_updates(local_name); - if (verbose > 2) + if (DEBUG_GTE(RECV, 1)) rprintf(FINFO,"recv_files finished\n"); return 0;