/** * 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 Receiver_exec_i::run (::CORBA::UShort run) { if (this->ticker_) { this->reactor ()->cancel_timer (this->ticker_); delete this->ticker_; this->ticker_ = 0; } ACE_DEBUG ((LM_DEBUG, "Receiver_exec_i::run - " "Starting run number <%d>\n", run)); TwoQueriesRestarter_var restarter = this->ciao_context_->get_connection_writer_restart (); if (!::CORBA::is_nil (restarter.in ())) { switch (run) { case 1: { this->samples_received_ += this->test_all (run); this->check_filter (run); this->read_all (run); //set filter for the next run this->set_filter (run + 1); // inform the sender that it may start the next run restarter->restart_write (); } break; case 2: { this->samples_received_ += this->test_all (run); check_filter (run); this->read_all (run); //set filter for the next run this->set_filter (run + 1); // inform the sender that it may start the next run restarter->restart_write (); } break; case 3: { this->samples_received_ += this->test_all (run); this->check_filter (run); this->read_all (run); //set filter for the next run this->set_filter (run + 1); // inform the sender that it may start the next run restarter->restart_write (); } break; case 4: { this->samples_received_ += this->test_all (run); this->read_all (run); } } } else { ACE_ERROR ((LM_ERROR, "Receiver_exec_i::run - " "ERROR: Reference to Restarter not found\n")); } }
static void raw(char *server, ISI_PARAM *par, int compress, ISI_SEQNO *begseqno, ISI_SEQNO *endseqno, char *SiteSpec) { ISI *isi; ISI_RAW_PACKET raw; ISI_DATA_REQUEST *dreq; UINT8 buf[LOCALBUFLEN]; UINT64 count = 0; int save_errno; int *int2x32; FILE *fp_seq; char station[8]; char chan[8]; char loc[8]; char loc_station[16]; char sequence_str[(8*3+4)*3+6]; char seq_filename[2*MAXCONFIGLINELEN+2]; char loopDir[2*MAXCONFIGLINELEN+2]; char *retmsg; dreq = BuildRawRequest(compress, begseqno, endseqno, SiteSpec); if (VERBOSE) { fprintf(stderr, "Client side data request\n"); isiPrintDatreq(stderr, dreq); } if ((isi = isiInitiateDataRequest(server, par, dreq)) == NULL) { if (errno == ENOENT) { if (gDebug) fprintf(stderr, "can't connect to server %s, port %d\n", server, par->port); else syslog(LOG_ERR, "can't connect to server %s, port %d\n", server, par->port); } else { save_errno = errno; if (gDebug) perror("isiInitiateDataRequest"); else syslog(LOG_ERR, "isiInitiateDataRequest: %s", strerror(save_errno)); } exit(1); } isiFreeDataRequest(dreq); if (VERBOSE) { fprintf(stderr, "Server expanded data request\n"); isiPrintDatreq(stderr, &isi->datreq); } while (ReadRawPacket(isi, &raw)) { ++count; // if (VERBOSE) fprintf(stderr, "%s\n", isiRawHeaderString(&raw.hdr, buf)); if (!isiDecompressRawPacket(&raw, buf, LOCALBUFLEN)) { fprintf(stderr, "isiDecompressRawPacket error\n"); } // else if (VERBOSE) { // utilPrintHexDump(stderr, raw.payload, 64); // } SeedHeaderSNLC(raw.payload, station,chan,loc); if (filter != NULL) { // See if location/channel match our filter string sprintf(loc_station, "%2.2s/%3.3s", loc, chan); if (check_filter(filter, loc_station) != 1) continue; } int2x32 = (int *)&raw.hdr.seqno.counter; if (gDebug) { fprintf(stderr, "Read %s %s/%s %08x %08x %08x\n", station, loc, chan, raw.hdr.seqno.signature, int2x32[1], int2x32[0]); } // Save this record to buffer retmsg = WriteChan(station, chan, loc, raw.payload); if (retmsg != NULL) { if (gDebug) fprintf(stderr, "WriteChan: %s\n", retmsg); else syslog(LOG_ERR, "WriteChan: %s\n", retmsg); } // Save IDA sequence so on a restart, we pick up where we left off sprintf(sequence_str, "%08x%08x%08x\n" "%08x%08x%08x\n" "%08x%08x%08x\n", raw.hdr.seqno.signature, int2x32[1], int2x32[0], raw.hdr.seqno.signature, int2x32[1], int2x32[0], raw.hdr.seqno.signature, int2x32[1], int2x32[0]); LoopDirectory(loopDir); sprintf(seq_filename, "/%s/%s/isi.seq", loopDir, SiteSpec); if ((fp_seq=fopen(seq_filename, "w+")) == NULL) { if (gDebug) fprintf(stderr, "raw(): failed to create %s", seq_filename); else syslog(LOG_ERR, "raw(): failed to create %s", seq_filename); exit(1); } // unable to create index file else { fwrite(sequence_str, strlen(sequence_str), 1, fp_seq); fclose(fp_seq); fp_seq = NULL; } // save latest sequence number to file } // While no errors reading from ida disk loop if (gDebug) fprintf(stderr, "%llu packets received\n", count); } // raw()
int main(int argc, char **argv) { int i, request, isiport; int depth=-1; int iRecords; ISI_PARAM par; char *req = NULL; char *log; char *SiteSpec = NULL; char *begstr = NULL; char *endstr = NULL; char *retstr = NULL; char *configdir = "/etc/q330/DLG1"; ISI_SEQNO begseqno = ISI_OLDEST_SEQNO; ISI_SEQNO endseqno = ISI_NEVER_SEQNO; char *tmpstr; int compress = ISI_COMP_NONE; int format = ISI_FORMAT_GENERIC; char configfile[2*MAXCONFIGLINELEN+2]; char seq_filename[2*MAXCONFIGLINELEN+2]; char loopDir[2*MAXCONFIGLINELEN+2]; char sequence_str[3][28]; int *int2x32; char station[8]; char network[4]; char channel[4]; char location[4]; FILE *fp_seq; utilNetworkInit(); isiInitDefaultPar(&par); for (i = 1; i < argc; i++) { if (strncmp(argv[i], "server=", strlen("server=")) == 0) { server = argv[i] + strlen("server="); } else if (strncmp(argv[i], "isiport=", strlen("isiport=")) == 0) { isiport = atoi(argv[i] + strlen("isiport=")); isiSetServerPort(&par, isiport); } else if (strncmp(argv[i], "beg=", strlen("beg=")) == 0) { begstr = argv[i] + strlen("beg="); } else if (strncmp(argv[i], "end=", strlen("end=")) == 0) { endstr = argv[i] + strlen("end="); } else if (strncmp(argv[i], "debug=", strlen("debug=")) == 0) { gDebug = atoi(argv[i] + strlen("debug=")); isiSetDebugFlag(&par, gDebug); } else if (strncmp(argv[i], "log=", strlen("log=")) == 0) { log = argv[i] + strlen("log="); isiStartLogging(&par, log, NULL, argv[0]); } else if (strncmp(argv[i], "filter=", strlen("filter=")) == 0) { filter = argv[i] + strlen("filter="); } else if (strncmp(argv[i], "dbgpath=", strlen("dbgpath=")) == 0) { isiSetDbgpath(&par, argv[i] + strlen("dbgpath=")); } else if (strncmp(argv[i], "configdir=", strlen("configdir=")) == 0) { configdir = argv[i] + strlen("configdir="); } else if (strcmp(argv[i], "-v") == 0) { flags |= VERBOSE_REPORT; } else if (req == NULL) { req = argv[i]; } else { if (gDebug) { fprintf(stderr, "%s: unrecognized argument: '%s'\n", argv[0], argv[i]); ShowUsage(argv[0]); } } } if (req == NULL) { ShowUsage(argv[0]); exit(1); } // If we are not in debug mode, run program as a daemon gDebug = gDebug || VERBOSE; if (gDebug == 0) daemonize(); // Open diskloop.config file sprintf(configfile, "%s/diskloop.config", configdir); if ((retstr=ParseDiskLoopConfig(configfile)) != NULL) { if (gDebug) fprintf(stderr, "%s: %s\n", WHOAMI, retstr); else syslog(LOG_ERR, "%s\n", retstr); exit(1); } LogSNCL(station, network, channel, location); if (VERBOSE) fprintf(stderr, "%s %s\n", VersionIdentString, __DATE__); request = UNKNOWN; if (strcasecmp(req, "raw") == 0) { request = RAW; SiteSpec = station; } else if (strncasecmp(req, "raw=", strlen("raw=")) == 0) { request = RAW; SiteSpec = req + strlen("raw="); if (strlen(SiteSpec) == 0) SiteSpec = station; } else { ShowUsage(argv[0]); } // Check filter string for easy to find syntax errors if (check_filter(filter, "##/###") == -1) { fprintf(stderr, "Syntax error in filter string '%s'\n", filter); exit(1); } // Get beginning sequence number from continuity file if (begstr == NULL) { LoopDirectory(loopDir); sprintf(seq_filename, "/%s/%s/isi.seq", loopDir, SiteSpec); if ((fp_seq=fopen(seq_filename, "r")) == NULL) { if (gDebug) fprintf(stderr, "%s not found, starting at oldest ISI record\n", seq_filename); else syslog(LOG_INFO, "%s not found, starting at oldest ISI record\n", seq_filename); } // unable to find index file else { fgets(sequence_str[0], 28, fp_seq); fgets(sequence_str[1], 28, fp_seq); fgets(sequence_str[2], 28, fp_seq); if (strlen(sequence_str[0]) >= 24 && strlen(sequence_str[1]) >= 24) { // if fist two lines agree, use them begstr = sequence_str[0]; if (strncmp(sequence_str[0], sequence_str[1], 24) != 0) { // Otherwise use the 3rd line if it is valid length if (strlen(sequence_str[2]) >= 24) begstr = sequence_str[2]; else begstr = NULL; } // first two lines did not aggree } // first two lines have enough characters // Check to see if we did not parse a valid resume index if (begstr == NULL) { if (gDebug) fprintf(stderr, "%s contents invalid, starting at oldest ISI record\n", seq_filename); else syslog(LOG_ERR, "%s contents invalid, starting at oldest ISI record\n", seq_filename); } // invalid resume index else { // Convert string into an index begstr[24] = 0; if (!isiStringToSeqno(begstr, &begseqno)) { if (gDebug) fprintf(stderr, "illegal beg seqno '%s'\n", begstr); else syslog(LOG_ERR, "illegal beg seqno '%s'\n", begstr); exit(1); } // increment index by one to get next unsaved record begseqno.counter++; int2x32 = (int *)&begseqno.counter; sprintf(begstr, "%08x%08x%08x", begseqno.signature, int2x32[1], int2x32[0]); } // else we have what could be an index string } // found index file so load last index } // if user did not specify a beginning sequence number switch (request) { case RAW: if (VERBOSE) fprintf(stderr, "%s raw data request\n", server); if (begstr != NULL && !isiStringToSeqno(begstr, &begseqno)) { fprintf(stderr, "illegal beg seqno '%s'\n", begstr); exit(1); } if (endstr != NULL && !isiStringToSeqno(endstr, &endseqno)) { fprintf(stderr, "illegal end seqno '%s'\n", endstr); exit(1); } raw(server, &par, compress, &begseqno, &endseqno, SiteSpec); break; default: ShowUsage(argv[0]); } // switch request exit(0); } // main()
/** * 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 next_gen_i = -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 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 max_phase = protocol_version >= 29 ? 2 : 1; int i, recv_ok; if (verbose > 2) rprintf(FINFO,"recv_files(%d) starting\n",flist->count); if (flist->hlink_pool) { pool_destroy(flist->hlink_pool); flist->hlink_pool = NULL; } if (delay_updates) init_delayed_bits(flist->count); 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; } if (++phase > max_phase) break; csum_length = SUM_LENGTH; if (verbose > 2) 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 */ 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 (verbose > 2) rprintf(FINFO, "recv_files(%s)\n", safe_fname(fname)); if (!(iflags & ITEM_TRANSFER)) { maybe_log_item(file, iflags, itemizing, xname); continue; } if (phase == 2) { rprintf(FERROR, "got transfer request in phase 2 [%s]\n", who_am_i()); exit_cleanup(RERR_PROTOCOL); } stats.current_file_index = i; stats.num_transferred_files++; stats.total_transferred_size += file->length; cleanup_got_literal = 0; 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 (!do_xfers) { /* log the transfer */ if (!am_server && log_format) log_item(file, &stats, iflags, NULL); if (read_batch) discard_receive_data(f_in, file->length); continue; } if (write_batch < 0) { log_item(file, &stats, iflags, NULL); if (!am_server) discard_receive_data(f_in, file->length); continue; } if (read_batch) { next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i); if (i < next_gen_i) { rprintf(FINFO, "(Skipping batched update for \"%s\")\n", safe_fname(fname)); discard_receive_data(f_in, file->length); continue; } next_gen_i = -1; } 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 || (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) { if (!(fnamecmp = get_backup_name(fname))) fnamecmp = fname; } 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); } } if (fd1 != -1 && do_fstat(fd1,&st) != 0) { rsyserr(FERROR, errno, "fstat %s failed", full_fname(fnamecmp)); discard_receive_data(f_in, file->length); close(fd1); 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,"recv_files: %s is a directory\n", full_fname(fnamecmp)); discard_receive_data(f_in, file->length); close(fd1); continue; } if (fd1 != -1 && !S_ISREG(st.st_mode)) { close(fd1); 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; } /* We now check to see if we are writing file "inplace" */ if (inplace) { fd2 = do_open(fname, O_WRONLY|O_CREAT, 0); if (fd2 == -1) { rsyserr(FERROR, 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 [email protected] 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 (partialptr) cleanup_set(fnametmp, partialptr, file, fd1, fd2); } /* log the transfer */ if (log_before_transfer) log_item(file, &initial_stats, iflags, NULL); else if (!am_server && verbose && do_progress) rprintf(FINFO, "%s\n", safe_fname(fname)); /* recv file data */ recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size, fname, fd2, file->length); if (!log_before_transfer) log_item(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) { finish_transfer(fname, fnametmp, file, recv_ok, 1); if (partialptr != fname && 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); recv_ok = -1; } } else { partialptr = NULL; do_unlink(fnametmp); } 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) { 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, safe_fname(fname), keptstr, redostr); } if (!phase) { SIVAL(numbuf, 0, i); send_msg(MSG_REDO, numbuf, 4); } } } make_backups = save_make_backups; if (phase == 2 && delay_updates) /* for protocol_version < 29 */ handle_delayed_updates(flist, local_name); if (verbose > 2) rprintf(FINFO,"recv_files finished\n"); return 0; }