1: /*
2: * Routines that are exclusive to the generator process.
3: *
4: * Copyright (C) 1996-2000 Andrew Tridgell
5: * Copyright (C) 1996 Paul Mackerras
6: * Copyright (C) 2002 Martin Pool <mbp@samba.org>
7: * Copyright (C) 2003-2009 Wayne Davison
8: *
9: * This program is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 3 of the License, or
12: * (at your option) any later version.
13: *
14: * This program is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: * GNU General Public License for more details.
18: *
19: * You should have received a copy of the GNU General Public License along
20: * with this program; if not, visit the http://fsf.org website.
21: */
22:
23: #include "rsync.h"
24:
25: extern int verbose;
26: extern int dry_run;
27: extern int do_xfers;
28: extern int stdout_format_has_i;
29: extern int logfile_format_has_i;
30: extern int am_root;
31: extern int am_server;
32: extern int am_daemon;
33: extern int inc_recurse;
34: extern int do_progress;
35: extern int relative_paths;
36: extern int implied_dirs;
37: extern int keep_dirlinks;
38: extern int preserve_acls;
39: extern int preserve_xattrs;
40: extern int preserve_links;
41: extern int preserve_devices;
42: extern int preserve_specials;
43: extern int preserve_hard_links;
44: extern int preserve_executability;
45: extern int preserve_perms;
46: extern int preserve_times;
47: extern int delete_mode;
48: extern int delete_before;
49: extern int delete_during;
50: extern int delete_after;
51: extern int msgdone_cnt;
52: extern int ignore_errors;
53: extern int remove_source_files;
54: extern int delay_updates;
55: extern int update_only;
56: extern int ignore_existing;
57: extern int ignore_non_existing;
58: extern int inplace;
59: extern int append_mode;
60: extern int make_backups;
61: extern int csum_length;
62: extern int ignore_times;
63: extern int size_only;
64: extern OFF_T max_size;
65: extern OFF_T min_size;
66: extern int io_error;
67: extern int flist_eof;
68: extern int allowed_lull;
69: extern int sock_f_out;
70: extern int ignore_timeout;
71: extern int protocol_version;
72: extern int file_total;
73: extern int fuzzy_basis;
74: extern int always_checksum;
75: extern int checksum_len;
76: extern char *partial_dir;
77: extern char *basis_dir[MAX_BASIS_DIRS+1];
78: extern int compare_dest;
79: extern int copy_dest;
80: extern int link_dest;
81: extern int detect_renamed;
82: extern int whole_file;
83: extern int list_only;
84: extern int read_batch;
85: extern int safe_symlinks;
86: extern long block_size; /* "long" because popt can't set an int32. */
87: extern int unsort_ndx;
88: extern int max_delete;
89: extern int force_delete;
90: extern int one_file_system;
91: extern struct stats stats;
92: extern dev_t filesystem_dev;
93: extern mode_t orig_umask;
94: extern uid_t our_uid;
95: extern char *backup_dir;
96: extern char *backup_suffix;
97: extern int backup_suffix_len;
98: extern struct file_list *cur_flist, *first_flist, *dir_flist;
99: extern struct filter_list_struct daemon_filter_list;
100: extern struct file_list the_fattr_list;
101:
102: int ignore_perishable = 0;
103: int non_perishable_cnt = 0;
104: int maybe_ATTRS_REPORT = 0;
105:
106: static dev_t dev_zero;
107: static int deletion_count = 0; /* used to implement --max-delete */
108: static int unexplored_dirs = 1;
109: static int deldelay_size = 0, deldelay_cnt = 0;
110: static char *deldelay_buf = NULL;
111: static int deldelay_fd = -1;
112: static int loopchk_limit;
113: static int dir_tweaking;
114: static int symlink_timeset_failed_flags;
115: static int need_retouch_dir_times;
116: static int need_retouch_dir_perms;
117: static const char *solo_file = NULL;
118:
119: /* For calling delete_item(), delete_dir_contents(), and delete_in_dir(). */
120: #define DEL_NO_UID_WRITE (1<<0) /* file/dir has our uid w/o write perm */
121: #define DEL_RECURSE (1<<1) /* if dir, delete all contents */
122: #define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */
123: #define DEL_FOR_FILE (1<<3) /* making room for a replacement file */
124: #define DEL_FOR_DIR (1<<4) /* making room for a replacement dir */
125: #define DEL_FOR_SYMLINK (1<<5) /* making room for a replacement symlink */
126: #define DEL_FOR_DEVICE (1<<6) /* making room for a replacement device */
127: #define DEL_FOR_SPECIAL (1<<7) /* making room for a replacement special */
128: #define DEL_NO_DELETIONS (1<<9) /* just check for renames w/o deleting */
129:
130: #define DEL_MAKE_ROOM (DEL_FOR_FILE|DEL_FOR_DIR|DEL_FOR_SYMLINK|DEL_FOR_DEVICE|DEL_FOR_SPECIAL)
131:
132: enum nonregtype {
133: TYPE_DIR, TYPE_SPECIAL, TYPE_DEVICE, TYPE_SYMLINK
134: };
135:
136: enum delret {
137: DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY
138: };
139:
140: /* Forward declarations. */
141: static enum delret delete_dir_contents(char *fname, uint16 flags);
142: #ifdef SUPPORT_HARD_LINKS
143: static void handle_skipped_hlink(struct file_struct *file, int itemizing,
144: enum logcode code, int f_out);
145: #endif
146:
147: static int is_backup_file(char *fn)
148: {
149: int k = strlen(fn) - backup_suffix_len;
150: return k > 0 && strcmp(fn+k, backup_suffix) == 0;
151: }
152:
153: /* Search for a regular file that matches either (1) the size & modified
154: * time (plus the basename, if possible) or (2) the size & checksum. If
155: * we find an exact match down to the dirname, return -1 because we found
156: * an up-to-date file in the transfer, not a renamed file. */
157: static int fattr_find(struct file_struct *f, char *fname)
158: {
159: int low = the_fattr_list.low, high = the_fattr_list.high;
160: int mid, ok_match = -1, good_match = -1;
161: struct file_struct *fmid;
162: int diff;
163:
164: while (low <= high) {
165: mid = (low + high) / 2;
166: fmid = the_fattr_list.files[mid];
167: if (F_LENGTH(fmid) != F_LENGTH(f)) {
168: if (F_LENGTH(fmid) < F_LENGTH(f))
169: low = mid + 1;
170: else
171: high = mid - 1;
172: continue;
173: }
174: if (always_checksum) {
175: /* We use the FLAG_FILE_SENT flag to indicate when we
176: * have computed the checksum for an entry. */
177: if (!(f->flags & FLAG_FILE_SENT)) {
178: if (fmid->modtime == f->modtime
179: && f_name_cmp(fmid, f) == 0)
180: return -1; /* assume we can't help */
181: file_checksum(fname, F_SUM(f), F_LENGTH(f));
182: f->flags |= FLAG_FILE_SENT;
183: }
184: diff = u_memcmp(F_SUM(fmid), F_SUM(f), checksum_len);
185: if (diff) {
186: if (diff < 0)
187: low = mid + 1;
188: else
189: high = mid - 1;
190: continue;
191: }
192: } else {
193: if (fmid->modtime != f->modtime) {
194: if (fmid->modtime < f->modtime)
195: low = mid + 1;
196: else
197: high = mid - 1;
198: continue;
199: }
200: }
201: ok_match = mid;
202: diff = u_strcmp(fmid->basename, f->basename);
203: if (diff == 0) {
204: good_match = mid;
205: if (fmid->dirname == f->dirname)
206: return -1; /* file is up-to-date */
207: if (!fmid->dirname) {
208: low = mid + 1;
209: continue;
210: }
211: if (!f->dirname) {
212: high = mid - 1;
213: continue;
214: }
215: diff = u_strcmp(fmid->dirname, f->dirname);
216: if (diff == 0)
217: return -1; /* file is up-to-date */
218: }
219: if (diff < 0)
220: low = mid + 1;
221: else
222: high = mid - 1;
223: }
224:
225: return good_match >= 0 ? good_match : ok_match;
226: }
227:
228: static void look_for_rename(struct file_struct *file, char *fname)
229: {
230: struct file_struct *fp;
231: char *partialptr, *fn;
232: STRUCT_STAT st;
233: int ndx;
234:
235: if (!partial_dir || (ndx = fattr_find(file, fname)) < 0)
236: return;
237:
238: fp = the_fattr_list.files[ndx];
239: fn = f_name(fp, NULL);
240: /* We don't provide an alternate-basis file if there is a basis file. */
241: if (link_stat(fn, &st, 0) == 0)
242: return;
243:
244: if (!dry_run) {
245: if ((partialptr = partial_dir_fname(fn)) == NULL
246: || !handle_partial_dir(partialptr, PDIR_CREATE))
247: return;
248: /* We only use the file if we can hard-link it into our tmp dir. */
249: if (link(fname, partialptr) != 0) {
250: if (errno != EEXIST)
251: handle_partial_dir(partialptr, PDIR_DELETE);
252: return;
253: }
254: }
255:
256: /* I think this falls into the -vv category with "%s is uptodate", etc. */
257: if (verbose > 1)
258: rprintf(FINFO, "found renamed: %s => %s\n", fname, fn);
259: }
260:
261: /* Delete a file or directory. If DEL_RECURSE is set in the flags, this will
262: * delete recursively.
263: *
264: * Note that fbuf must point to a MAXPATHLEN buffer if the mode indicates it's
265: * a directory! (The buffer is used for recursion, but returned unchanged.)
266: *
267: * Also note: --detect-rename may use this routine with DEL_NO_DELETIONS set!
268: */
269: static enum delret delete_item(char *fbuf, uint16 mode, uint16 flags)
270: {
271: enum delret ret;
272: char *what;
273: int ok;
274:
275: if (verbose > 2) {
276: rprintf(FINFO, "delete_item(%s) mode=%o flags=%d\n",
277: fbuf, (int)mode, (int)flags);
278: }
279:
280: if (flags & DEL_NO_UID_WRITE)
281: do_chmod(fbuf, mode | S_IWUSR);
282:
283: if (S_ISDIR(mode) && !(flags & DEL_DIR_IS_EMPTY)) {
284: /* This only happens on the first call to delete_item() since
285: * delete_dir_contents() always calls us w/DEL_DIR_IS_EMPTY. */
286: ignore_perishable = 1;
287: /* If DEL_RECURSE is not set, this just reports emptiness. */
288: ret = delete_dir_contents(fbuf, flags);
289: ignore_perishable = 0;
290: if (ret == DR_NOT_EMPTY || ret == DR_AT_LIMIT)
291: goto check_ret;
292: /* OK: try to delete the directory. */
293: }
294: if (flags & DEL_NO_DELETIONS)
295: return DR_SUCCESS;
296:
297: if (!(flags & DEL_MAKE_ROOM) && max_delete >= 0 && ++deletion_count > max_delete)
298: return DR_AT_LIMIT;
299:
300: if (S_ISDIR(mode)) {
301: what = "rmdir";
302: ok = do_rmdir(fbuf) == 0;
303: } else if (make_backups > 0 && (backup_dir || !is_backup_file(fbuf))) {
304: what = "make_backup";
305: ok = make_backup(fbuf);
306: } else {
307: what = "unlink";
308: ok = robust_unlink(fbuf) == 0;
309: }
310:
311: if (ok) {
312: if (!(flags & DEL_MAKE_ROOM))
313: log_delete(fbuf, mode);
314: ret = DR_SUCCESS;
315: } else {
316: if (S_ISDIR(mode) && errno == ENOTEMPTY) {
317: rprintf(FINFO, "cannot delete non-empty directory: %s\n",
318: fbuf);
319: ret = DR_NOT_EMPTY;
320: } else if (errno != ENOENT) {
321: rsyserr(FERROR, errno, "delete_file: %s(%s) failed",
322: what, fbuf);
323: ret = DR_FAILURE;
324: } else {
325: deletion_count--;
326: ret = DR_SUCCESS;
327: }
328: }
329:
330: check_ret:
331: if (ret != DR_SUCCESS && flags & DEL_MAKE_ROOM) {
332: const char *desc;
333: switch (flags & DEL_MAKE_ROOM) {
334: case DEL_FOR_FILE: desc = "regular file"; break;
335: case DEL_FOR_DIR: desc = "directory"; break;
336: case DEL_FOR_SYMLINK: desc = "symlink"; break;
337: case DEL_FOR_DEVICE: desc = "device file"; break;
338: case DEL_FOR_SPECIAL: desc = "special file"; break;
339: default: exit_cleanup(RERR_UNSUPPORTED); /* IMPOSSIBLE */
340: }
341: rprintf(FERROR_XFER, "could not make way for new %s: %s\n",
342: desc, fbuf);
343: }
344: return ret;
345: }
346:
347: /* The directory is about to be deleted: if DEL_RECURSE is given, delete all
348: * its contents, otherwise just checks for content. Returns DR_SUCCESS or
349: * DR_NOT_EMPTY. Note that fname must point to a MAXPATHLEN buffer! (The
350: * buffer is used for recursion, but returned unchanged.)
351: *
352: * Note: --detect-rename may use this routine with DEL_NO_DELETIONS set!
353: */
354: static enum delret delete_dir_contents(char *fname, uint16 flags)
355: {
356: struct file_list *dirlist;
357: enum delret ret;
358: unsigned remainder;
359: void *save_filters;
360: int j, dlen;
361: char *p;
362:
363: if (verbose > 3) {
364: rprintf(FINFO, "delete_dir_contents(%s) flags=%d\n",
365: fname, flags);
366: }
367:
368: dlen = strlen(fname);
369: save_filters = push_local_filters(fname, dlen);
370:
371: non_perishable_cnt = 0;
372: file_extra_cnt += SUM_EXTRA_CNT;
373: dirlist = get_dirlist(fname, dlen, 0);
374: file_extra_cnt -= SUM_EXTRA_CNT;
375: ret = non_perishable_cnt ? DR_NOT_EMPTY : DR_SUCCESS;
376:
377: if (!dirlist->used)
378: goto done;
379:
380: if (!(flags & DEL_RECURSE)) {
381: ret = DR_NOT_EMPTY;
382: goto done;
383: }
384:
385: p = fname + dlen;
386: if (dlen != 1 || *fname != '/')
387: *p++ = '/';
388: remainder = MAXPATHLEN - (p - fname);
389:
390: /* We do our own recursion, so make delete_item() non-recursive. */
391: flags = (flags & ~(DEL_RECURSE|DEL_MAKE_ROOM|DEL_NO_UID_WRITE))
392: | DEL_DIR_IS_EMPTY;
393:
394: for (j = dirlist->used; j--; ) {
395: struct file_struct *fp = dirlist->files[j];
396:
397: if (fp->flags & FLAG_MOUNT_DIR && S_ISDIR(fp->mode)) {
398: if (verbose > 1) {
399: rprintf(FINFO,
400: "mount point, %s, pins parent directory\n",
401: f_name(fp, NULL));
402: }
403: ret = DR_NOT_EMPTY;
404: continue;
405: }
406:
407: strlcpy(p, fp->basename, remainder);
408: if (!(fp->mode & S_IWUSR) && !am_root && fp->flags & FLAG_OWNED_BY_US)
409: do_chmod(fname, fp->mode | S_IWUSR);
410: /* Save stack by recursing to ourself directly. */
411: if (S_ISDIR(fp->mode)) {
412: if (delete_dir_contents(fname, flags | DEL_RECURSE) != DR_SUCCESS)
413: ret = DR_NOT_EMPTY;
414: } else if (detect_renamed && S_ISREG(fp->mode))
415: look_for_rename(fp, fname);
416: if (delete_item(fname, fp->mode, flags) != DR_SUCCESS)
417: ret = DR_NOT_EMPTY;
418: }
419:
420: fname[dlen] = '\0';
421:
422: done:
423: flist_free(dirlist);
424: pop_local_filters(save_filters);
425:
426: if (ret == DR_NOT_EMPTY) {
427: rprintf(FINFO, "cannot delete non-empty directory: %s\n",
428: fname);
429: }
430: return ret;
431: }
432:
433: static int start_delete_delay_temp(void)
434: {
435: char fnametmp[MAXPATHLEN];
436: int save_dry_run = dry_run;
437:
438: dry_run = 0;
439: if (!get_tmpname(fnametmp, "deldelay")
440: || (deldelay_fd = do_mkstemp(fnametmp, 0600)) < 0) {
441: rprintf(FINFO, "NOTE: Unable to create delete-delay temp file%s.\n",
442: inc_recurse ? "" : " -- switching to --delete-after");
443: delete_during = 0;
444: delete_after = !inc_recurse;
445: dry_run = save_dry_run;
446: return 0;
447: }
448: unlink(fnametmp);
449: dry_run = save_dry_run;
450: return 1;
451: }
452:
453: static int flush_delete_delay(void)
454: {
455: if (deldelay_fd < 0 && !start_delete_delay_temp())
456: return 0;
457: if (write(deldelay_fd, deldelay_buf, deldelay_cnt) != deldelay_cnt) {
458: rsyserr(FERROR, errno, "flush of delete-delay buffer");
459: delete_during = 0;
460: delete_after = !inc_recurse;
461: close(deldelay_fd);
462: return 0;
463: }
464: deldelay_cnt = 0;
465: return 1;
466: }
467:
468: static int remember_delete(struct file_struct *file, const char *fname, int flags)
469: {
470: int len;
471:
472: if (deldelay_cnt == deldelay_size && !flush_delete_delay())
473: return 0;
474:
475: if (flags & DEL_NO_UID_WRITE)
476: deldelay_buf[deldelay_cnt++] = '!';
477:
478: while (1) {
479: len = snprintf(deldelay_buf + deldelay_cnt,
480: deldelay_size - deldelay_cnt,
481: "%x %s%c",
482: (int)file->mode, fname, '\0');
483: if ((deldelay_cnt += len) <= deldelay_size)
484: break;
485: deldelay_cnt -= len;
486: if (!flush_delete_delay())
487: return 0;
488: }
489:
490: return 1;
491: }
492:
493: static int read_delay_line(char *buf, int *flags_p)
494: {
495: static int read_pos = 0;
496: int j, len, mode;
497: char *bp, *past_space;
498:
499: while (1) {
500: for (j = read_pos; j < deldelay_cnt && deldelay_buf[j]; j++) {}
501: if (j < deldelay_cnt)
502: break;
503: if (deldelay_fd < 0) {
504: if (j > read_pos)
505: goto invalid_data;
506: return -1;
507: }
508: deldelay_cnt -= read_pos;
509: if (deldelay_cnt == deldelay_size)
510: goto invalid_data;
511: if (deldelay_cnt && read_pos) {
512: memmove(deldelay_buf, deldelay_buf + read_pos,
513: deldelay_cnt);
514: }
515: len = read(deldelay_fd, deldelay_buf + deldelay_cnt,
516: deldelay_size - deldelay_cnt);
517: if (len == 0) {
518: if (deldelay_cnt) {
519: rprintf(FERROR,
520: "ERROR: unexpected EOF in delete-delay file.\n");
521: }
522: return -1;
523: }
524: if (len < 0) {
525: rsyserr(FERROR, errno,
526: "reading delete-delay file");
527: return -1;
528: }
529: deldelay_cnt += len;
530: read_pos = 0;
531: }
532:
533: bp = deldelay_buf + read_pos;
534: if (*bp == '!') {
535: bp++;
536: *flags_p = DEL_NO_UID_WRITE;
537: } else
538: *flags_p = 0;
539:
540: if (sscanf(bp, "%x ", &mode) != 1) {
541: invalid_data:
542: rprintf(FERROR, "ERROR: invalid data in delete-delay file.\n");
543: return -1;
544: }
545: past_space = strchr(bp, ' ') + 1;
546: len = j - read_pos - (past_space - bp) + 1; /* count the '\0' */
547: read_pos = j + 1;
548:
549: if (len > MAXPATHLEN) {
550: rprintf(FERROR, "ERROR: filename too long in delete-delay file.\n");
551: return -1;
552: }
553:
554: /* The caller needs the name in a MAXPATHLEN buffer, so we copy it
555: * instead of returning a pointer to our buffer. */
556: memcpy(buf, past_space, len);
557:
558: return mode;
559: }
560:
561: static void do_delayed_deletions(char *delbuf)
562: {
563: int mode, flags;
564:
565: if (deldelay_fd >= 0) {
566: if (deldelay_cnt && !flush_delete_delay())
567: return;
568: lseek(deldelay_fd, 0, 0);
569: }
570: while ((mode = read_delay_line(delbuf, &flags)) >= 0)
571: delete_item(delbuf, mode, flags | DEL_RECURSE);
572: if (deldelay_fd >= 0)
573: close(deldelay_fd);
574: }
575:
576: /* This function is used to implement per-directory deletion, and is used by
577: * all the --delete-WHEN options. Note that the fbuf pointer must point to a
578: * MAXPATHLEN buffer with the name of the directory in it (the functions we
579: * call will append names onto the end, but the old dir value will be restored
580: * on exit).
581: *
582: * Note: --detect-rename may use this routine with DEL_NO_DELETIONS set!
583: */
584: static void delete_in_dir(char *fbuf, struct file_struct *file, dev_t *fs_dev,
585: int del_flags)
586: {
587: static int already_warned = 0;
588: struct file_list *dirlist;
589: char *p, delbuf[MAXPATHLEN];
590: unsigned remainder;
591: int dlen, i, restore_dot = 0;
592:
593: if (!fbuf) {
594: change_local_filter_dir(NULL, 0, 0);
595: return;
596: }
597:
598: if (verbose > 2)
599: rprintf(FINFO, "delete_in_dir(%s)\n", fbuf);
600:
601: if (allowed_lull)
602: maybe_send_keepalive();
603:
604: if (io_error && !ignore_errors) {
605: if (!already_warned) {
606: rprintf(FINFO,
607: "IO error encountered -- skipping file deletion\n");
608: already_warned = 1;
609: }
610: if (!detect_renamed)
611: return;
612: del_flags |= DEL_NO_DELETIONS;
613: }
614:
615: dlen = strlen(fbuf);
616: change_local_filter_dir(fbuf, dlen, F_DEPTH(file));
617:
618: if (detect_renamed)
619: unexplored_dirs--;
620:
621: if (one_file_system) {
622: if (file->flags & FLAG_TOP_DIR)
623: filesystem_dev = *fs_dev;
624: else if (filesystem_dev != *fs_dev)
625: return;
626: }
627:
628: dirlist = get_dirlist(fbuf, dlen, 0);
629:
630: p = fbuf + dlen;
631: if (dlen == 1 && *fbuf == '.') {
632: restore_dot = 1;
633: p = fbuf;
634: } else if (dlen != 1 || *fbuf != '/')
635: *p++ = '/';
636: remainder = MAXPATHLEN - (p - fbuf);
637:
638: /* If an item in dirlist is not found in flist, delete it
639: * from the filesystem. */
640: for (i = dirlist->used; i--; ) {
641: struct file_struct *fp = dirlist->files[i];
642: if (!F_IS_ACTIVE(fp))
643: continue;
644: if (fp->flags & FLAG_MOUNT_DIR && S_ISDIR(fp->mode)) {
645: if (verbose > 1)
646: rprintf(FINFO, "cannot delete mount point: %s\n",
647: f_name(fp, NULL));
648: continue;
649: }
650: if (detect_renamed && S_ISREG(fp->mode)) {
651: strlcpy(p, fp->basename, remainder);
652: look_for_rename(fp, fbuf);
653: }
654: /* Here we want to match regardless of file type. Replacement
655: * of a file with one of another type is handled separately by
656: * a delete_item call with a DEL_MAKE_ROOM flag. */
657: if (flist_find_ignore_dirness(cur_flist, fp) < 0) {
658: int flags = DEL_RECURSE;
659: if (!(fp->mode & S_IWUSR) && !am_root && fp->flags & FLAG_OWNED_BY_US)
660: flags |= DEL_NO_UID_WRITE;
661: f_name(fp, delbuf);
662: if (delete_during == 2 && !(del_flags & DEL_NO_DELETIONS)) {
663: if (!remember_delete(fp, delbuf, del_flags | flags))
664: break;
665: } else
666: delete_item(delbuf, fp->mode, del_flags | flags);
667: } else if (detect_renamed && S_ISDIR(fp->mode))
668: unexplored_dirs++;
669: }
670:
671: if (restore_dot)
672: fbuf[0] = '.';
673: fbuf[dlen] = '\0';
674:
675: flist_free(dirlist);
676: }
677:
678: /* This deletes any files on the receiving side that are not present on the
679: * sending side. This is used by --delete-before and --delete-after. */
680: static void do_delete_pass(void)
681: {
682: char fbuf[MAXPATHLEN];
683: STRUCT_STAT st;
684: int j;
685:
686: /* dry_run is incremented when the destination doesn't exist yet. */
687: if (dry_run > 1 || list_only)
688: return;
689:
690: for (j = 0; j < cur_flist->used; j++) {
691: struct file_struct *file = cur_flist->sorted[j];
692:
693: f_name(file, fbuf);
694:
695: if (!(file->flags & FLAG_CONTENT_DIR)) {
696: change_local_filter_dir(fbuf, strlen(fbuf), F_DEPTH(file));
697: continue;
698: }
699:
700: if (verbose > 1 && file->flags & FLAG_TOP_DIR)
701: rprintf(FINFO, "deleting in %s\n", fbuf);
702:
703: if (link_stat(fbuf, &st, keep_dirlinks) < 0
704: || !S_ISDIR(st.st_mode))
705: continue;
706:
707: delete_in_dir(fbuf, file, &st.st_dev, 0);
708: }
709: delete_in_dir(NULL, NULL, &dev_zero, 0);
710:
711: if (do_progress && !am_server)
712: rprintf(FINFO, " \r");
713: }
714:
715: static inline int time_differs(struct file_struct *file, stat_x *sxp)
716: {
717: return cmp_time(sxp->st.st_mtime, file->modtime);
718: }
719:
720: static inline int perms_differ(struct file_struct *file, stat_x *sxp)
721: {
722: if (preserve_perms)
723: return !BITS_EQUAL(sxp->st.st_mode, file->mode, CHMOD_BITS);
724:
725: if (preserve_executability)
726: return (sxp->st.st_mode & 0111 ? 1 : 0) ^ (file->mode & 0111 ? 1 : 0);
727:
728: return 0;
729: }
730:
731: static inline int ownership_differs(struct file_struct *file, stat_x *sxp)
732: {
733: if (am_root && uid_ndx && sxp->st.st_uid != (uid_t)F_OWNER(file))
734: return 1;
735:
736: if (gid_ndx && !(file->flags & FLAG_SKIP_GROUP) && sxp->st.st_gid != (gid_t)F_GROUP(file))
737: return 1;
738:
739: return 0;
740: }
741:
742: #ifdef SUPPORT_ACLS
743: static inline int acls_differ(const char *fname, struct file_struct *file, stat_x *sxp)
744: {
745: if (preserve_acls) {
746: if (!ACL_READY(*sxp))
747: get_acl(fname, sxp);
748: if (set_acl(NULL, file, sxp, file->mode))
749: return 1;
750: }
751:
752: return 0;
753: }
754: #endif
755:
756: #ifdef SUPPORT_XATTRS
757: static inline int xattrs_differ(const char *fname, struct file_struct *file, stat_x *sxp)
758: {
759: if (preserve_xattrs) {
760: if (!XATTR_READY(*sxp))
761: get_xattr(fname, sxp);
762: if (xattr_diff(file, sxp, 0))
763: return 1;
764: }
765:
766: return 0;
767: }
768: #endif
769:
770: int unchanged_attrs(const char *fname, struct file_struct *file, stat_x *sxp)
771: {
772: if (S_ISLNK(file->mode)) {
773: #ifdef CAN_SET_SYMLINK_TIMES
774: if (preserve_times & PRESERVE_LINK_TIMES && time_differs(file, sxp))
775: return 0;
776: #endif
777: #ifdef CAN_CHMOD_SYMLINK
778: if (perms_differ(file, sxp))
779: return 0;
780: #endif
781: #ifdef CAN_CHOWN_SYMLINK
782: if (ownership_differs(file, sxp))
783: return 0;
784: #endif
785: #if defined SUPPORT_ACLS && 0 /* no current symlink-ACL support */
786: if (acls_differ(fname, file, sxp))
787: return 0;
788: #endif
789: #if defined SUPPORT_XATTRS && !defined NO_SYMLINK_XATTRS
790: if (xattrs_differ(fname, file, sxp))
791: return 0;
792: #endif
793: } else {
794: if (preserve_times && time_differs(file, sxp))
795: return 0;
796: if (perms_differ(file, sxp))
797: return 0;
798: if (ownership_differs(file, sxp))
799: return 0;
800: #ifdef SUPPORT_ACLS
801: if (acls_differ(fname, file, sxp))
802: return 0;
803: #endif
804: #ifdef SUPPORT_XATTRS
805: if (xattrs_differ(fname, file, sxp))
806: return 0;
807: #endif
808: }
809:
810: return 1;
811: }
812:
813: void itemize(const char *fnamecmp, struct file_struct *file, int ndx, int statret,
814: stat_x *sxp, int32 iflags, uchar fnamecmp_type,
815: const char *xname)
816: {
817: if (statret >= 0) { /* A from-dest-dir statret can == 1! */
818: int keep_time = !preserve_times ? 0
819: : S_ISDIR(file->mode) ? preserve_times & PRESERVE_DIR_TIMES
820: : S_ISLNK(file->mode) ? preserve_times & PRESERVE_LINK_TIMES
821: : 1;
822:
823: if (S_ISREG(file->mode) && F_LENGTH(file) != sxp->st.st_size)
824: iflags |= ITEM_REPORT_SIZE;
825: if (file->flags & FLAG_TIME_FAILED) { /* symlinks only */
826: if (iflags & ITEM_LOCAL_CHANGE)
827: iflags |= symlink_timeset_failed_flags;
828: } else if (keep_time
829: ? cmp_time(file->modtime, sxp->st.st_mtime) != 0
830: : iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE) && !(iflags & ITEM_MATCHED)
831: && (!(iflags & ITEM_XNAME_FOLLOWS) || *xname))
832: iflags |= ITEM_REPORT_TIME;
833: #if !defined HAVE_LCHMOD && !defined HAVE_SETATTRLIST
834: if (S_ISLNK(file->mode)) {
835: ;
836: } else
837: #endif
838: if (preserve_perms) {
839: if (!BITS_EQUAL(sxp->st.st_mode, file->mode, CHMOD_BITS))
840: iflags |= ITEM_REPORT_PERMS;
841: } else if (preserve_executability
842: && ((sxp->st.st_mode & 0111 ? 1 : 0) ^ (file->mode & 0111 ? 1 : 0)))
843: iflags |= ITEM_REPORT_PERMS;
844: if (uid_ndx && am_root && (uid_t)F_OWNER(file) != sxp->st.st_uid)
845: iflags |= ITEM_REPORT_OWNER;
846: if (gid_ndx && !(file->flags & FLAG_SKIP_GROUP)
847: && sxp->st.st_gid != (gid_t)F_GROUP(file))
848: iflags |= ITEM_REPORT_GROUP;
849: #ifdef SUPPORT_ACLS
850: if (preserve_acls && !S_ISLNK(file->mode)) {
851: if (!ACL_READY(*sxp))
852: get_acl(fnamecmp, sxp);
853: if (set_acl(NULL, file, sxp, file->mode))
854: iflags |= ITEM_REPORT_ACL;
855: }
856: #endif
857: #ifdef SUPPORT_XATTRS
858: if (preserve_xattrs) {
859: if (!XATTR_READY(*sxp))
860: get_xattr(fnamecmp, sxp);
861: if (xattr_diff(file, sxp, 1))
862: iflags |= ITEM_REPORT_XATTR;
863: }
864: #endif
865: } else {
866: #ifdef SUPPORT_XATTRS
867: if (preserve_xattrs && xattr_diff(file, NULL, 1))
868: iflags |= ITEM_REPORT_XATTR;
869: #endif
870: iflags |= ITEM_IS_NEW;
871: }
872:
873: iflags &= 0xffff;
874: if ((iflags & (SIGNIFICANT_ITEM_FLAGS|ITEM_REPORT_XATTR) || verbose > 1
875: || stdout_format_has_i > 1 || (xname && *xname)) && !read_batch) {
876: if (protocol_version >= 29) {
877: if (ndx >= 0)
878: write_ndx(sock_f_out, ndx);
879: write_shortint(sock_f_out, iflags);
880: if (iflags & ITEM_BASIS_TYPE_FOLLOWS)
881: write_byte(sock_f_out, fnamecmp_type);
882: if (iflags & ITEM_XNAME_FOLLOWS)
883: write_vstring(sock_f_out, xname, strlen(xname));
884: #ifdef SUPPORT_XATTRS
885: if (preserve_xattrs && do_xfers
886: && iflags & (ITEM_REPORT_XATTR|ITEM_TRANSFER)) {
887: send_xattr_request(NULL, file,
888: iflags & ITEM_REPORT_XATTR ? sock_f_out : -1);
889: }
890: #endif
891: } else if (ndx >= 0) {
892: enum logcode code = logfile_format_has_i ? FINFO : FCLIENT;
893: log_item(code, file, &stats, iflags, xname);
894: }
895: }
896: }
897:
898:
899: /* Perform our quick-check heuristic for determining if a file is unchanged. */
900: int unchanged_file(char *fn, struct file_struct *file, STRUCT_STAT *st)
901: {
902: if (st->st_size != F_LENGTH(file))
903: return 0;
904:
905: /* if always checksum is set then we use the checksum instead
906: of the file time to determine whether to sync */
907: if (always_checksum > 0 && S_ISREG(st->st_mode)) {
908: char sum[MAX_DIGEST_LEN];
909: file_checksum(fn, sum, st->st_size);
910: return memcmp(sum, F_SUM(file), checksum_len) == 0;
911: }
912:
913: if (size_only > 0)
914: return 1;
915:
916: if (ignore_times)
917: return 0;
918:
919: return cmp_time(st->st_mtime, file->modtime) == 0;
920: }
921:
922:
923: /*
924: * set (initialize) the size entries in the per-file sum_struct
925: * calculating dynamic block and checksum sizes.
926: *
927: * This is only called from generate_and_send_sums() but is a separate
928: * function to encapsulate the logic.
929: *
930: * The block size is a rounded square root of file length.
931: *
932: * The checksum size is determined according to:
933: * blocksum_bits = BLOCKSUM_BIAS + 2*log2(file_len) - log2(block_len)
934: * provided by Donovan Baarda which gives a probability of rsync
935: * algorithm corrupting data and falling back using the whole md4
936: * checksums.
937: *
938: * This might be made one of several selectable heuristics.
939: */
940: static void sum_sizes_sqroot(struct sum_struct *sum, int64 len)
941: {
942: int32 blength;
943: int s2length;
944: int64 l;
945:
946: if (len < 0) {
947: /* The file length overflowed our int64 var, so we can't process this file. */
948: sum->count = -1; /* indicate overflow error */
949: return;
950: }
951:
952: if (block_size)
953: blength = block_size;
954: else if (len <= BLOCK_SIZE * BLOCK_SIZE)
955: blength = BLOCK_SIZE;
956: else {
957: int32 max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
958: int32 c;
959: int cnt;
960: for (c = 1, l = len, cnt = 0; l >>= 2; c <<= 1, cnt++) {}
961: if (c < 0 || c >= max_blength)
962: blength = max_blength;
963: else {
964: blength = 0;
965: do {
966: blength |= c;
967: if (len < (int64)blength * blength)
968: blength &= ~c;
969: c >>= 1;
970: } while (c >= 8); /* round to multiple of 8 */
971: blength = MAX(blength, BLOCK_SIZE);
972: }
973: }
974:
975: if (protocol_version < 27) {
976: s2length = csum_length;
977: } else if (csum_length == SUM_LENGTH) {
978: s2length = SUM_LENGTH;
979: } else {
980: int32 c;
981: int b = BLOCKSUM_BIAS;
982: for (l = len; l >>= 1; b += 2) {}
983: for (c = blength; (c >>= 1) && b; b--) {}
984: /* add a bit, subtract rollsum, round up. */
985: s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */
986: s2length = MAX(s2length, csum_length);
987: s2length = MIN(s2length, SUM_LENGTH);
988: }
989:
990: sum->flength = len;
991: sum->blength = blength;
992: sum->s2length = s2length;
993: sum->remainder = (int32)(len % blength);
994: sum->count = (int32)(l = (len / blength) + (sum->remainder != 0));
995:
996: if ((int64)sum->count != l)
997: sum->count = -1;
998:
999: if (sum->count && verbose > 2) {
1000: rprintf(FINFO,
1001: "count=%.0f rem=%ld blength=%ld s2length=%d flength=%.0f\n",
1002: (double)sum->count, (long)sum->remainder, (long)sum->blength,
1003: sum->s2length, (double)sum->flength);
1004: }
1005: }
1006:
1007:
1008: /*
1009: * Generate and send a stream of signatures/checksums that describe a buffer
1010: *
1011: * Generate approximately one checksum every block_len bytes.
1012: */
1013: static int generate_and_send_sums(int fd, OFF_T len, int f_out, int f_copy)
1014: {
1015: int32 i;
1016: struct map_struct *mapbuf;
1017: struct sum_struct sum;
1018: OFF_T offset = 0;
1019:
1020: sum_sizes_sqroot(&sum, len);
1021: if (sum.count < 0)
1022: return -1;
1023: write_sum_head(f_out, &sum);
1024:
1025: if (append_mode > 0 && f_copy < 0)
1026: return 0;
1027:
1028: if (len > 0)
1029: mapbuf = map_file(fd, len, MAX_MAP_SIZE, sum.blength);
1030: else
1031: mapbuf = NULL;
1032:
1033: for (i = 0; i < sum.count; i++) {
1034: int32 n1 = (int32)MIN(len, (OFF_T)sum.blength);
1035: char *map = map_ptr(mapbuf, offset, n1);
1036: char sum2[SUM_LENGTH];
1037: uint32 sum1;
1038:
1039: len -= n1;
1040: offset += n1;
1041:
1042: if (f_copy >= 0) {
1043: full_write(f_copy, map, n1);
1044: if (append_mode > 0)
1045: continue;
1046: }
1047:
1048: sum1 = get_checksum1(map, n1);
1049: get_checksum2(map, n1, sum2);
1050:
1051: if (verbose > 3) {
1052: rprintf(FINFO,
1053: "chunk[%.0f] offset=%.0f len=%ld sum1=%08lx\n",
1054: (double)i, (double)offset - n1, (long)n1,
1055: (unsigned long)sum1);
1056: }
1057: write_int(f_out, sum1);
1058: write_buf(f_out, sum2, sum.s2length);
1059: }
1060:
1061: if (mapbuf)
1062: unmap_file(mapbuf);
1063:
1064: return 0;
1065: }
1066:
1067:
1068: /* Try to find a filename in the same dir as "fname" with a similar name. */
1069: static int find_fuzzy(struct file_struct *file, struct file_list *dirlist)
1070: {
1071: int fname_len, fname_suf_len;
1072: const char *fname_suf, *fname = file->basename;
1073: uint32 lowest_dist = 25 << 16; /* ignore a distance greater than 25 */
1074: int j, lowest_j = -1;
1075:
1076: fname_len = strlen(fname);
1077: fname_suf = find_filename_suffix(fname, fname_len, &fname_suf_len);
1078:
1079: for (j = 0; j < dirlist->used; j++) {
1080: struct file_struct *fp = dirlist->files[j];
1081: const char *suf, *name;
1082: int len, suf_len;
1083: uint32 dist;
1084:
1085: if (!S_ISREG(fp->mode) || !F_LENGTH(fp)
1086: || fp->flags & FLAG_FILE_SENT)
1087: continue;
1088:
1089: name = fp->basename;
1090:
1091: if (F_LENGTH(fp) == F_LENGTH(file)
1092: && cmp_time(fp->modtime, file->modtime) == 0) {
1093: if (verbose > 4) {
1094: rprintf(FINFO,
1095: "fuzzy size/modtime match for %s\n",
1096: name);
1097: }
1098: return j;
1099: }
1100:
1101: len = strlen(name);
1102: suf = find_filename_suffix(name, len, &suf_len);
1103:
1104: dist = fuzzy_distance(name, len, fname, fname_len);
1105: /* Add some extra weight to how well the suffixes match. */
1106: dist += fuzzy_distance(suf, suf_len, fname_suf, fname_suf_len)
1107: * 10;
1108: if (verbose > 4) {
1109: rprintf(FINFO, "fuzzy distance for %s = %d.%05d\n",
1110: name, (int)(dist>>16), (int)(dist&0xFFFF));
1111: }
1112: if (dist <= lowest_dist) {
1113: lowest_dist = dist;
1114: lowest_j = j;
1115: }
1116: }
1117:
1118: return lowest_j;
1119: }
1120:
1121: /* Copy a file found in our --copy-dest handling. */
1122: static int copy_altdest_file(const char *src, const char *dest, struct file_struct *file)
1123: {
1124: char buf[MAXPATHLEN];
1125: const char *copy_to, *partialptr;
1126: int save_preserve_xattrs = preserve_xattrs;
1127: int ok, fd_w;
1128:
1129: if (inplace) {
1130: /* Let copy_file open the destination in place. */
1131: fd_w = -1;
1132: copy_to = dest;
1133: } else {
1134: fd_w = open_tmpfile(buf, dest, file);
1135: if (fd_w < 0)
1136: return -1;
1137: copy_to = buf;
1138: }
1139: cleanup_set(copy_to, NULL, NULL, -1, -1);
1140: if (copy_file(src, copy_to, fd_w, file->mode, 0) < 0) {
1141: if (verbose) {
1142: rsyserr(FINFO, errno, "copy_file %s => %s",
1143: full_fname(src), copy_to);
1144: }
1145: /* Try to clean up. */
1146: unlink(copy_to);
1147: cleanup_disable();
1148: return -1;
1149: }
1150: partialptr = partial_dir ? partial_dir_fname(dest) : NULL;
1151: preserve_xattrs = 0; /* xattrs were copied with file */
1152: ok = finish_transfer(dest, copy_to, src, partialptr, file, 1, 0);
1153: preserve_xattrs = save_preserve_xattrs;
1154: cleanup_disable();
1155: return ok ? 0 : -1;
1156: }
1157:
1158: /* This is only called for regular files. We return -2 if we've finished
1159: * handling the file, -1 if no dest-linking occurred, or a non-negative
1160: * value if we found an alternate basis file. */
1161: static int try_dests_reg(struct file_struct *file, char *fname, int ndx,
1162: char *cmpbuf, stat_x *sxp, int itemizing,
1163: enum logcode code)
1164: {
1165: int best_match = -1;
1166: int match_level = 0;
1167: int j = 0;
1168:
1169: do {
1170: pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
1171: if (link_stat(cmpbuf, &sxp->st, 0) < 0 || !S_ISREG(sxp->st.st_mode))
1172: continue;
1173: switch (match_level) {
1174: case 0:
1175: best_match = j;
1176: match_level = 1;
1177: /* FALL THROUGH */
1178: case 1:
1179: if (!unchanged_file(cmpbuf, file, &sxp->st))
1180: continue;
1181: best_match = j;
1182: match_level = 2;
1183: /* FALL THROUGH */
1184: case 2:
1185: if (!unchanged_attrs(cmpbuf, file, sxp))
1186: continue;
1187: best_match = j;
1188: match_level = 3;
1189: break;
1190: }
1191: break;
1192: } while (basis_dir[++j] != NULL);
1193:
1194: if (!match_level)
1195: return -1;
1196:
1197: if (j != best_match) {
1198: j = best_match;
1199: pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
1200: if (link_stat(cmpbuf, &sxp->st, 0) < 0)
1201: return -1;
1202: }
1203:
1204: if (match_level == 3 && !copy_dest) {
1205: #ifdef SUPPORT_HARD_LINKS
1206: if (link_dest) {
1207: if (!hard_link_one(file, fname, cmpbuf, 1))
1208: goto try_a_copy;
1209: if (preserve_hard_links && F_IS_HLINKED(file))
1210: finish_hard_link(file, fname, ndx, &sxp->st, itemizing, code, j);
1211: if (!maybe_ATTRS_REPORT && (verbose > 1 || stdout_format_has_i > 1)) {
1212: itemize(cmpbuf, file, ndx, 1, sxp,
1213: ITEM_LOCAL_CHANGE | ITEM_XNAME_FOLLOWS,
1214: 0, "");
1215: }
1216: } else
1217: #endif
1218: if (itemizing)
1219: itemize(cmpbuf, file, ndx, 0, sxp, 0, 0, NULL);
1220: if (verbose > 1 && maybe_ATTRS_REPORT)
1221: rprintf(FCLIENT, "%s is uptodate\n", fname);
1222: return -2;
1223: }
1224:
1225: if (match_level >= 2) {
1226: #ifdef SUPPORT_HARD_LINKS
1227: try_a_copy: /* Copy the file locally. */
1228: #endif
1229: if (!dry_run && copy_altdest_file(cmpbuf, fname, file) < 0)
1230: return -1;
1231: if (itemizing)
1232: itemize(cmpbuf, file, ndx, 0, sxp, ITEM_LOCAL_CHANGE, 0, NULL);
1233: if (maybe_ATTRS_REPORT
1234: && ((!itemizing && verbose && match_level == 2)
1235: || (verbose > 1 && match_level == 3))) {
1236: code = match_level == 3 ? FCLIENT : FINFO;
1237: rprintf(code, "%s%s\n", fname,
1238: match_level == 3 ? " is uptodate" : "");
1239: }
1240: #ifdef SUPPORT_HARD_LINKS
1241: if (preserve_hard_links && F_IS_HLINKED(file))
1242: finish_hard_link(file, fname, ndx, &sxp->st, itemizing, code, -1);
1243: #endif
1244: return -2;
1245: }
1246:
1247: return FNAMECMP_BASIS_DIR_LOW + j;
1248: }
1249:
1250: /* This is only called for non-regular files. We return -2 if we've finished
1251: * handling the file, or -1 if no dest-linking occurred, or a non-negative
1252: * value if we found an alternate basis file. */
1253: static int try_dests_non(struct file_struct *file, char *fname, int ndx,
1254: char *cmpbuf, stat_x *sxp, int itemizing,
1255: enum logcode code)
1256: {
1257: char lnk[MAXPATHLEN];
1258: int best_match = -1;
1259: int match_level = 0;
1260: enum nonregtype type;
1261: uint32 *devp;
1262: int len, j = 0;
1263:
1264: #ifndef SUPPORT_LINKS
1265: if (S_ISLNK(file->mode))
1266: return -1;
1267: #endif
1268: if (S_ISDIR(file->mode)) {
1269: type = TYPE_DIR;
1270: } else if (IS_SPECIAL(file->mode))
1271: type = TYPE_SPECIAL;
1272: else if (IS_DEVICE(file->mode))
1273: type = TYPE_DEVICE;
1274: #ifdef SUPPORT_LINKS
1275: else if (S_ISLNK(file->mode))
1276: type = TYPE_SYMLINK;
1277: #endif
1278: else {
1279: rprintf(FERROR,
1280: "internal: try_dests_non() called with invalid mode (%o)\n",
1281: (int)file->mode);
1282: exit_cleanup(RERR_UNSUPPORTED);
1283: }
1284:
1285: do {
1286: pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
1287: if (link_stat(cmpbuf, &sxp->st, 0) < 0)
1288: continue;
1289: switch (type) {
1290: case TYPE_DIR:
1291: if (!S_ISDIR(sxp->st.st_mode))
1292: continue;
1293: break;
1294: case TYPE_SPECIAL:
1295: if (!IS_SPECIAL(sxp->st.st_mode))
1296: continue;
1297: break;
1298: case TYPE_DEVICE:
1299: if (!IS_DEVICE(sxp->st.st_mode))
1300: continue;
1301: break;
1302: #ifdef SUPPORT_LINKS
1303: case TYPE_SYMLINK:
1304: if (!S_ISLNK(sxp->st.st_mode))
1305: continue;
1306: break;
1307: #endif
1308: }
1309: if (match_level < 1) {
1310: match_level = 1;
1311: best_match = j;
1312: }
1313: switch (type) {
1314: case TYPE_DIR:
1315: case TYPE_SPECIAL:
1316: break;
1317: case TYPE_DEVICE:
1318: devp = F_RDEV_P(file);
1319: if (sxp->st.st_rdev != MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp)))
1320: continue;
1321: break;
1322: #ifdef SUPPORT_LINKS
1323: case TYPE_SYMLINK:
1324: if ((len = readlink(cmpbuf, lnk, MAXPATHLEN-1)) <= 0)
1325: continue;
1326: lnk[len] = '\0';
1327: if (strcmp(lnk, F_SYMLINK(file)) != 0)
1328: continue;
1329: break;
1330: #endif
1331: }
1332: if (match_level < 2) {
1333: match_level = 2;
1334: best_match = j;
1335: }
1336: if (unchanged_attrs(cmpbuf, file, sxp)) {
1337: match_level = 3;
1338: best_match = j;
1339: break;
1340: }
1341: } while (basis_dir[++j] != NULL);
1342:
1343: if (!match_level)
1344: return -1;
1345:
1346: if (j != best_match) {
1347: j = best_match;
1348: pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname);
1349: if (link_stat(cmpbuf, &sxp->st, 0) < 0)
1350: return -1;
1351: }
1352:
1353: if (match_level == 3) {
1354: #ifdef SUPPORT_HARD_LINKS
1355: if (link_dest
1356: #ifndef CAN_HARDLINK_SYMLINK
1357: && !S_ISLNK(file->mode)
1358: #endif
1359: #ifndef CAN_HARDLINK_SPECIAL
1360: && !IS_SPECIAL(file->mode) && !IS_DEVICE(file->mode)
1361: #endif
1362: && !S_ISDIR(file->mode)) {
1363: if (do_link(cmpbuf, fname) < 0) {
1364: rsyserr(FERROR_XFER, errno,
1365: "failed to hard-link %s with %s",
1366: cmpbuf, fname);
1367: return j;
1368: }
1369: if (preserve_hard_links && F_IS_HLINKED(file))
1370: finish_hard_link(file, fname, ndx, NULL, itemizing, code, -1);
1371: } else
1372: #endif
1373: match_level = 2;
1374: if (itemizing && stdout_format_has_i
1375: && (verbose > 1 || stdout_format_has_i > 1)) {
1376: int chg = compare_dest && type != TYPE_DIR ? 0
1377: : ITEM_LOCAL_CHANGE + (match_level == 3 ? ITEM_XNAME_FOLLOWS : 0);
1378: char *lp = match_level == 3 ? "" : NULL;
1379: itemize(cmpbuf, file, ndx, 0, sxp, chg + ITEM_MATCHED, 0, lp);
1380: }
1381: if (verbose > 1 && maybe_ATTRS_REPORT) {
1382: rprintf(FCLIENT, "%s%s is uptodate\n",
1383: fname, type == TYPE_DIR ? "/" : "");
1384: }
1385: return -2;
1386: }
1387:
1388: return j;
1389: }
1390:
1391: static void list_file_entry(struct file_struct *f)
1392: {
1393: char permbuf[PERMSTRING_SIZE];
1394: double len;
1395:
1396: if (!F_IS_ACTIVE(f)) {
1397: /* this can happen if duplicate names were removed */
1398: return;
1399: }
1400:
1401: permstring(permbuf, f->mode);
1402: len = F_LENGTH(f);
1403:
1404: /* TODO: indicate '+' if the entry has an ACL. */
1405:
1406: #ifdef SUPPORT_LINKS
1407: if (preserve_links && S_ISLNK(f->mode)) {
1408: rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
1409: permbuf, len, timestring(f->modtime),
1410: f_name(f, NULL), F_SYMLINK(f));
1411: } else
1412: #endif
1413: {
1414: rprintf(FINFO, "%s %11.0f %s %s\n",
1415: permbuf, len, timestring(f->modtime),
1416: f_name(f, NULL));
1417: }
1418: }
1419:
1420: static struct bitbag *delayed_bits = NULL;
1421: static int phase = 0;
1422: static int dflt_perms;
1423:
1424: static int implied_dirs_are_missing;
1425: /* Helper for recv_generator's skip_dir and dry_missing_dir tests. */
1426: static BOOL is_below(struct file_struct *file, struct file_struct *subtree)
1427: {
1428: return F_DEPTH(file) > F_DEPTH(subtree)
1429: && (!implied_dirs_are_missing || f_name_has_prefix(file, subtree));
1430: }
1431:
1432: /* Acts on the indicated item in cur_flist whose name is fname. If a dir,
1433: * make sure it exists, and has the right permissions/timestamp info. For
1434: * all other non-regular files (symlinks, etc.) we create them here. For
1435: * regular files that have changed, we try to find a basis file and then
1436: * start sending checksums. The ndx is the file's unique index value.
1437: *
1438: * The fname parameter must point to a MAXPATHLEN buffer! (e.g it gets
1439: * passed to delete_item(), which can use it during a recursive delete.)
1440: *
1441: * Note that f_out is set to -1 when doing final directory-permission and
1442: * modification-time repair. */
1443: static void recv_generator(char *fname, struct file_struct *file, int ndx,
1444: int itemizing, enum logcode code, int f_out)
1445: {
1446: static const char *parent_dirname = "";
1447: /* Missing dir not created due to --dry-run; will still be scanned. */
1448: static struct file_struct *dry_missing_dir = NULL;
1449: /* Missing dir whose contents are skipped altogether due to
1450: * --ignore-non-existing, daemon exclude, or mkdir failure. */
1451: static struct file_struct *skip_dir = NULL;
1452: static struct file_list *fuzzy_dirlist = NULL;
1453: static int need_fuzzy_dirlist = 0;
1454: struct file_struct *fuzzy_file = NULL;
1455: int fd = -1, f_copy = -1;
1456: stat_x sx, real_sx;
1457: STRUCT_STAT partial_st;
1458: struct file_struct *back_file = NULL;
1459: int statret, real_ret, stat_errno;
1460: char *fnamecmp, *partialptr, *backupptr = NULL;
1461: char fnamecmpbuf[MAXPATHLEN];
1462: uchar fnamecmp_type;
1463: int del_opts = delete_mode || force_delete ? DEL_RECURSE : 0;
1464: int is_dir = !S_ISDIR(file->mode) ? 0
1465: : inc_recurse && ndx != cur_flist->ndx_start - 1 ? -1
1466: : 1;
1467:
1468: if (verbose > 2)
1469: rprintf(FINFO, "recv_generator(%s,%d)\n", fname, ndx);
1470:
1471: if (list_only) {
1472: if (is_dir < 0
1473: || (is_dir && !implied_dirs && file->flags & FLAG_IMPLIED_DIR))
1474: return;
1475: list_file_entry(file);
1476: return;
1477: }
1478:
1479: if (skip_dir) {
1480: if (is_below(file, skip_dir)) {
1481: if (is_dir)
1482: file->flags |= FLAG_MISSING_DIR;
1483: #ifdef SUPPORT_HARD_LINKS
1484: else if (F_IS_HLINKED(file))
1485: handle_skipped_hlink(file, itemizing, code, f_out);
1486: #endif
1487: return;
1488: }
1489: skip_dir = NULL;
1490: }
1491:
1492: #ifdef SUPPORT_ACLS
1493: sx.acc_acl = sx.def_acl = NULL;
1494: #endif
1495: #ifdef SUPPORT_XATTRS
1496: sx.xattr = NULL;
1497: #endif
1498: if (daemon_filter_list.head && (*fname != '.' || fname[1])) {
1499: if (check_filter(&daemon_filter_list, FLOG, fname, is_dir) < 0) {
1500: if (is_dir < 0)
1501: return;
1502: #ifdef SUPPORT_HARD_LINKS
1503: if (F_IS_HLINKED(file))
1504: handle_skipped_hlink(file, itemizing, code, f_out);
1505: #endif
1506: rprintf(FERROR_XFER,
1507: "ERROR: daemon refused to receive %s \"%s\"\n",
1508: is_dir ? "directory" : "file", fname);
1509: if (is_dir)
1510: goto skipping_dir_contents;
1511: return;
1512: }
1513: }
1514:
1515: if (dry_run > 1 || (dry_missing_dir && is_below(file, dry_missing_dir))) {
1516: parent_is_dry_missing:
1517: if (fuzzy_dirlist) {
1518: flist_free(fuzzy_dirlist);
1519: fuzzy_dirlist = NULL;
1520: }
1521: parent_dirname = "";
1522: statret = -1;
1523: stat_errno = ENOENT;
1524: } else {
1525: const char *dn = file->dirname ? file->dirname : ".";
1526: dry_missing_dir = NULL;
1527: if (parent_dirname != dn && strcmp(parent_dirname, dn) != 0) {
1528: if (relative_paths && !implied_dirs
1529: && do_stat(dn, &sx.st) < 0) {
1530: if (dry_run)
1531: goto parent_is_dry_missing;
1532: if (create_directory_path(fname) < 0) {
1533: rsyserr(FERROR_XFER, errno,
1534: "recv_generator: mkdir %s failed",
1535: full_fname(dn));
1536: }
1537: }
1538: if (fuzzy_dirlist) {
1539: flist_free(fuzzy_dirlist);
1540: fuzzy_dirlist = NULL;
1541: }
1542: if (fuzzy_basis)
1543: need_fuzzy_dirlist = 1;
1544: #ifdef SUPPORT_ACLS
1545: if (!preserve_perms)
1546: dflt_perms = default_perms_for_dir(dn);
1547: #endif
1548: }
1549: parent_dirname = dn;
1550:
1551: if (need_fuzzy_dirlist && S_ISREG(file->mode)) {
1552: strlcpy(fnamecmpbuf, dn, sizeof fnamecmpbuf);
1553: fuzzy_dirlist = get_dirlist(fnamecmpbuf, -1, GDL_IGNORE_FILTER_RULES);
1554: need_fuzzy_dirlist = 0;
1555: }
1556:
1557: statret = link_stat(fname, &sx.st, keep_dirlinks && is_dir);
1558: stat_errno = errno;
1559: }
1560:
1561: if (ignore_non_existing > 0 && statret == -1 && stat_errno == ENOENT) {
1562: if (is_dir) {
1563: if (is_dir < 0)
1564: return;
1565: skip_dir = file;
1566: file->flags |= FLAG_MISSING_DIR;
1567: }
1568: #ifdef SUPPORT_HARD_LINKS
1569: else if (F_IS_HLINKED(file))
1570: handle_skipped_hlink(file, itemizing, code, f_out);
1571: #endif
1572: if (verbose > 1) {
1573: rprintf(FINFO, "not creating new %s \"%s\"\n",
1574: is_dir ? "directory" : "file", fname);
1575: }
1576: return;
1577: }
1578:
1579: if (statret == 0 && !(sx.st.st_mode & S_IWUSR)
1580: && !am_root && sx.st.st_uid == our_uid)
1581: del_opts |= DEL_NO_UID_WRITE;
1582:
1583: if (ignore_existing > 0 && statret == 0
1584: && (!is_dir || !S_ISDIR(sx.st.st_mode))) {
1585: if (verbose > 1 && is_dir >= 0)
1586: rprintf(FINFO, "%s exists\n", fname);
1587: #ifdef SUPPORT_HARD_LINKS
1588: if (F_IS_HLINKED(file))
1589: handle_skipped_hlink(file, itemizing, code, f_out);
1590: #endif
1591: goto cleanup;
1592: }
1593:
1594: fnamecmp = fname;
1595:
1596: if (is_dir) {
1597: mode_t added_perms;
1598: if (!implied_dirs && file->flags & FLAG_IMPLIED_DIR)
1599: goto cleanup;
1600: if (am_root < 0) {
1601: /* For --fake-super, the dir must be useable by the copying
1602: * user, just like it would be for root. */
1603: added_perms = S_IRUSR|S_IWUSR|S_IXUSR;
1604: } else
1605: added_perms = 0;
1606: if (is_dir < 0) {
1607: /* In inc_recurse mode we want to make sure any missing
1608: * directories get created while we're still processing
1609: * the parent dir (which allows us to touch the parent
1610: * dir's mtime right away). We will handle the dir in
1611: * full later (right before we handle its contents). */
1612: if (statret == 0
1613: && (S_ISDIR(sx.st.st_mode)
1614: || delete_item(fname, sx.st.st_mode, del_opts | DEL_FOR_DIR) != 0))
1615: goto cleanup; /* Any errors get reported later. */
1616: if (do_mkdir(fname, (file->mode|added_perms) & 0700) == 0)
1617: file->flags |= FLAG_DIR_CREATED;
1618: goto cleanup;
1619: }
1620: /* The file to be received is a directory, so we need
1621: * to prepare appropriately. If there is already a
1622: * file of that name and it is *not* a directory, then
1623: * we need to delete it. If it doesn't exist, then
1624: * (perhaps recursively) create it. */
1625: if (statret == 0 && !S_ISDIR(sx.st.st_mode)) {
1626: if (delete_item(fname, sx.st.st_mode, del_opts | DEL_FOR_DIR) != 0)
1627: goto skipping_dir_contents;
1628: statret = -1;
1629: }
1630: if (dry_run && statret != 0) {
1631: if (!dry_missing_dir)
1632: dry_missing_dir = file;
1633: file->flags |= FLAG_MISSING_DIR;
1634: }
1635: real_ret = statret;
1636: real_sx = sx;
1637: if (file->flags & FLAG_DIR_CREATED)
1638: statret = -1;
1639: if (!preserve_perms) { /* See comment in non-dir code below. */
1640: file->mode = dest_mode(file->mode, sx.st.st_mode,
1641: dflt_perms, statret == 0);
1642: }
1643: if (statret != 0 && basis_dir[0] != NULL) {
1644: int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &sx,
1645: itemizing, code);
1646: if (j == -2) {
1647: itemizing = 0;
1648: code = FNONE;
1649: statret = 1;
1650: } else if (j >= 0) {
1651: statret = 1;
1652: fnamecmp = fnamecmpbuf;
1653: }
1654: }
1655: if (itemizing && f_out != -1) {
1656: itemize(fnamecmp, file, ndx, statret, &sx,
1657: statret ? ITEM_LOCAL_CHANGE : 0, 0, NULL);
1658: }
1659: if (real_ret != 0 && do_mkdir(fname,file->mode|added_perms) < 0 && errno != EEXIST) {
1660: if (!relative_paths || errno != ENOENT
1661: || create_directory_path(fname) < 0
1662: || (do_mkdir(fname, file->mode|added_perms) < 0 && errno != EEXIST)) {
1663: rsyserr(FERROR_XFER, errno,
1664: "recv_generator: mkdir %s failed",
1665: full_fname(fname));
1666: skipping_dir_contents:
1667: rprintf(FERROR,
1668: "*** Skipping any contents from this failed directory ***\n");
1669: skip_dir = file;
1670: file->flags |= FLAG_MISSING_DIR;
1671: goto cleanup;
1672: }
1673: }
1674:
1675: #ifdef SUPPORT_XATTRS
1676: if (preserve_xattrs && statret == 1)
1677: copy_xattrs(fnamecmpbuf, fname);
1678: #endif
1679: if (set_file_attrs(fname, file, real_ret ? NULL : &real_sx, NULL, 0)
1680: && verbose && code != FNONE && f_out != -1)
1681: rprintf(code, "%s/\n", fname);
1682:
1683: /* We need to ensure that the dirs in the transfer have both
1684: * readable and writable permissions during the time we are
1685: * putting files within them. This is then restored to the
1686: * former permissions after the transfer is done. */
1687: #ifdef HAVE_CHMOD
1688: if (!am_root && (file->mode & S_IRWXU) != S_IRWXU && dir_tweaking) {
1689: mode_t mode = file->mode | S_IRWXU;
1690: if (do_chmod(fname, mode) < 0) {
1691: rsyserr(FERROR_XFER, errno,
1692: "failed to modify permissions on %s",
1693: full_fname(fname));
1694: }
1695: need_retouch_dir_perms = 1;
1696: }
1697: #endif
1698:
1699: if (real_ret != 0 && one_file_system)
1700: real_sx.st.st_dev = filesystem_dev;
1701: if (inc_recurse) {
1702: if (one_file_system) {
1703: uint32 *devp = F_DIR_DEV_P(file);
1704: DEV_MAJOR(devp) = major(real_sx.st.st_dev);
1705: DEV_MINOR(devp) = minor(real_sx.st.st_dev);
1706: }
1707: }
1708: else if (delete_during && f_out != -1 && !phase
1709: && !(file->flags & FLAG_MISSING_DIR)) {
1710: if (file->flags & FLAG_CONTENT_DIR) {
1711: if (detect_renamed && real_ret != 0)
1712: unexplored_dirs++;
1713: delete_in_dir(fname, file, &real_sx.st.st_dev,
1714: delete_during < 0 ? DEL_NO_DELETIONS : 0);
1715: } else
1716: change_local_filter_dir(fname, strlen(fname), F_DEPTH(file));
1717: }
1718: goto cleanup;
1719: }
1720:
1721: /* If we're not preserving permissions, change the file-list's
1722: * mode based on the local permissions and some heuristics. */
1723: if (!preserve_perms) {
1724: int exists = statret == 0 && !S_ISDIR(sx.st.st_mode);
1725: file->mode = dest_mode(file->mode, sx.st.st_mode, dflt_perms,
1726: exists);
1727: }
1728:
1729: #ifdef SUPPORT_HARD_LINKS
1730: if (preserve_hard_links && F_HLINK_NOT_FIRST(file)
1731: && hard_link_check(file, ndx, fname, statret, &sx, itemizing, code))
1732: goto cleanup;
1733: #endif
1734:
1735: if (preserve_links && S_ISLNK(file->mode)) {
1736: #ifdef SUPPORT_LINKS
1737: const char *sl = F_SYMLINK(file);
1738: if (safe_symlinks && unsafe_symlink(sl, fname)) {
1739: if (verbose) {
1740: if (solo_file) {
1741: /* fname contains the destination path, but we
1742: * want to report the source path. */
1743: fname = f_name(file, NULL);
1744: }
1745: rprintf(FINFO,
1746: "ignoring unsafe symlink \"%s\" -> \"%s\"\n",
1747: fname, sl);
1748: }
1749: return;
1750: }
1751: if (statret == 0) {
1752: char lnk[MAXPATHLEN];
1753: int len;
1754:
1755: if (!S_ISLNK(sx.st.st_mode))
1756: statret = -1;
1757: else if ((len = readlink(fname, lnk, MAXPATHLEN-1)) > 0
1758: && strncmp(lnk, sl, len) == 0 && sl[len] == '\0') {
1759: /* The link is pointing to the right place. */
1760: set_file_attrs(fname, file, &sx, NULL, maybe_ATTRS_REPORT);
1761: if (itemizing)
1762: itemize(fname, file, ndx, 0, &sx, 0, 0, NULL);
1763: #if defined SUPPORT_HARD_LINKS && defined CAN_HARDLINK_SYMLINK
1764: if (preserve_hard_links && F_IS_HLINKED(file))
1765: finish_hard_link(file, fname, ndx, &sx.st, itemizing, code, -1);
1766: #endif
1767: if (remove_source_files == 1)
1768: goto return_with_success;
1769: goto cleanup;
1770: }
1771: /* Not the right symlink (or not a symlink), so
1772: * delete it. */
1773: if (delete_item(fname, sx.st.st_mode, del_opts | DEL_FOR_SYMLINK) != 0)
1774: goto cleanup;
1775: } else if (basis_dir[0] != NULL) {
1776: int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &sx,
1777: itemizing, code);
1778: if (j == -2) {
1779: #ifndef CAN_HARDLINK_SYMLINK
1780: if (link_dest) {
1781: /* Resort to --copy-dest behavior. */
1782: } else
1783: #endif
1784: if (!copy_dest)
1785: goto cleanup;
1786: itemizing = 0;
1787: code = FNONE;
1788: } else if (j >= 0)
1789: statret = 1;
1790: }
1791: #ifdef SUPPORT_HARD_LINKS
1792: if (preserve_hard_links && F_HLINK_NOT_LAST(file)) {
1793: cur_flist->in_progress++;
1794: goto cleanup;
1795: }
1796: #endif
1797: if (do_symlink(sl, fname) != 0) {
1798: rsyserr(FERROR_XFER, errno, "symlink %s -> \"%s\" failed",
1799: full_fname(fname), sl);
1800: } else {
1801: set_file_attrs(fname, file, NULL, NULL, 0);
1802: if (itemizing) {
1803: itemize(fname, file, ndx, statret, &sx,
1804: ITEM_LOCAL_CHANGE|ITEM_REPORT_CHANGE, 0, NULL);
1805: }
1806: if (code != FNONE && verbose)
1807: rprintf(code, "%s -> %s\n", fname, sl);
1808: #ifdef SUPPORT_HARD_LINKS
1809: if (preserve_hard_links && F_IS_HLINKED(file))
1810: finish_hard_link(file, fname, ndx, NULL, itemizing, code, -1);
1811: #endif
1812: /* This does not check remove_source_files == 1
1813: * because this is one of the items that the old
1814: * --remove-sent-files option would remove. */
1815: if (remove_source_files)
1816: goto return_with_success;
1817: }
1818: #endif
1819: goto cleanup;
1820: }
1821:
1822: if ((am_root && preserve_devices && IS_DEVICE(file->mode))
1823: || (preserve_specials && IS_SPECIAL(file->mode))) {
1824: dev_t rdev;
1825: if (IS_DEVICE(file->mode)) {
1826: uint32 *devp = F_RDEV_P(file);
1827: rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
1828: } else
1829: rdev = 0;
1830: if (statret == 0) {
1831: int del_for_flag;
1832: if (IS_DEVICE(file->mode)) {
1833: if (!IS_DEVICE(sx.st.st_mode))
1834: statret = -1;
1835: del_for_flag = DEL_FOR_DEVICE;
1836: } else {
1837: if (!IS_SPECIAL(sx.st.st_mode))
1838: statret = -1;
1839: del_for_flag = DEL_FOR_SPECIAL;
1840: }
1841: if (statret == 0
1842: && BITS_EQUAL(sx.st.st_mode, file->mode, _S_IFMT)
1843: && (IS_SPECIAL(sx.st.st_mode) || sx.st.st_rdev == rdev)) {
1844: /* The device or special file is identical. */
1845: set_file_attrs(fname, file, &sx, NULL, maybe_ATTRS_REPORT);
1846: if (itemizing)
1847: itemize(fname, file, ndx, 0, &sx, 0, 0, NULL);
1848: #ifdef SUPPORT_HARD_LINKS
1849: if (preserve_hard_links && F_IS_HLINKED(file))
1850: finish_hard_link(file, fname, ndx, &sx.st, itemizing, code, -1);
1851: #endif
1852: if (remove_source_files == 1)
1853: goto return_with_success;
1854: goto cleanup;
1855: }
1856: if (delete_item(fname, sx.st.st_mode, del_opts | del_for_flag) != 0)
1857: goto cleanup;
1858: } else if (basis_dir[0] != NULL) {
1859: int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &sx,
1860: itemizing, code);
1861: if (j == -2) {
1862: #ifndef CAN_HARDLINK_SPECIAL
1863: if (link_dest) {
1864: /* Resort to --copy-dest behavior. */
1865: } else
1866: #endif
1867: if (!copy_dest)
1868: goto cleanup;
1869: itemizing = 0;
1870: code = FNONE;
1871: } else if (j >= 0)
1872: statret = 1;
1873: }
1874: #ifdef SUPPORT_HARD_LINKS
1875: if (preserve_hard_links && F_HLINK_NOT_LAST(file)) {
1876: cur_flist->in_progress++;
1877: goto cleanup;
1878: }
1879: #endif
1880: if (verbose > 2) {
1881: rprintf(FINFO, "mknod(%s, 0%o, [%ld,%ld])\n",
1882: fname, (int)file->mode,
1883: (long)major(rdev), (long)minor(rdev));
1884: }
1885: if (do_mknod(fname, file->mode, rdev) < 0) {
1886: rsyserr(FERROR_XFER, errno, "mknod %s failed",
1887: full_fname(fname));
1888: } else {
1889: set_file_attrs(fname, file, NULL, NULL, 0);
1890: if (itemizing) {
1891: itemize(fname, file, ndx, statret, &sx,
1892: ITEM_LOCAL_CHANGE|ITEM_REPORT_CHANGE, 0, NULL);
1893: }
1894: if (code != FNONE && verbose)
1895: rprintf(code, "%s\n", fname);
1896: #ifdef SUPPORT_HARD_LINKS
1897: if (preserve_hard_links && F_IS_HLINKED(file))
1898: finish_hard_link(file, fname, ndx, NULL, itemizing, code, -1);
1899: #endif
1900: if (remove_source_files == 1)
1901: goto return_with_success;
1902: }
1903: goto cleanup;
1904: }
1905:
1906: if (!S_ISREG(file->mode)) {
1907: if (solo_file)
1908: fname = f_name(file, NULL);
1909: rprintf(FINFO, "skipping non-regular file \"%s\"\n", fname);
1910: goto cleanup;
1911: }
1912:
1913: if (max_size > 0 && F_LENGTH(file) > max_size) {
1914: if (verbose > 1) {
1915: if (solo_file)
1916: fname = f_name(file, NULL);
1917: rprintf(FINFO, "%s is over max-size\n", fname);
1918: }
1919: goto cleanup;
1920: }
1921: if (min_size > 0 && F_LENGTH(file) < min_size) {
1922: if (verbose > 1) {
1923: if (solo_file)
1924: fname = f_name(file, NULL);
1925: rprintf(FINFO, "%s is under min-size\n", fname);
1926: }
1927: goto cleanup;
1928: }
1929:
1930: if (update_only > 0 && statret == 0
1931: && cmp_time(sx.st.st_mtime, file->modtime) > 0) {
1932: if (verbose > 1)
1933: rprintf(FINFO, "%s is newer\n", fname);
1934: #ifdef SUPPORT_HARD_LINKS
1935: if (F_IS_HLINKED(file))
1936: handle_skipped_hlink(file, itemizing, code, f_out);
1937: #endif
1938: goto cleanup;
1939: }
1940:
1941: fnamecmp_type = FNAMECMP_FNAME;
1942:
1943: if (statret == 0 && !S_ISREG(sx.st.st_mode)) {
1944: if (delete_item(fname, sx.st.st_mode, del_opts | DEL_FOR_FILE) != 0)
1945: goto cleanup;
1946: statret = -1;
1947: stat_errno = ENOENT;
1948: }
1949:
1950: if (statret != 0 && basis_dir[0] != NULL) {
1951: int j = try_dests_reg(file, fname, ndx, fnamecmpbuf, &sx,
1952: itemizing, code);
1953: if (j == -2) {
1954: if (remove_source_files == 1)
1955: goto return_with_success;
1956: goto cleanup;
1957: }
1958: if (j >= 0) {
1959: fnamecmp = fnamecmpbuf;
1960: fnamecmp_type = j;
1961: statret = 0;
1962: }
1963: }
1964:
1965: real_ret = statret;
1966: real_sx = sx;
1967:
1968: if (partial_dir && (partialptr = partial_dir_fname(fname)) != NULL
1969: && link_stat(partialptr, &partial_st, 0) == 0
1970: && S_ISREG(partial_st.st_mode)) {
1971: if (statret != 0)
1972: goto prepare_to_open;
1973: } else
1974: partialptr = NULL;
1975:
1976: if (statret != 0 && fuzzy_dirlist) {
1977: int j = find_fuzzy(file, fuzzy_dirlist);
1978: if (j >= 0) {
1979: fuzzy_file = fuzzy_dirlist->files[j];
1980: f_name(fuzzy_file, fnamecmpbuf);
1981: if (verbose > 2) {
1982: rprintf(FINFO, "fuzzy basis selected for %s: %s\n",
1983: fname, fnamecmpbuf);
1984: }
1985: sx.st.st_size = F_LENGTH(fuzzy_file);
1986: statret = 0;
1987: fnamecmp = fnamecmpbuf;
1988: fnamecmp_type = FNAMECMP_FUZZY;
1989: }
1990: }
1991:
1992: if (statret != 0) {
1993: #ifdef SUPPORT_HARD_LINKS
1994: if (preserve_hard_links && F_HLINK_NOT_LAST(file)) {
1995: cur_flist->in_progress++;
1996: goto cleanup;
1997: }
1998: #endif
1999: if (stat_errno == ENOENT) {
2000: if (detect_renamed && unexplored_dirs > 0
2001: && F_LENGTH(file)) {
2002: bitbag_set_bit(delayed_bits, ndx);
2003: return;
2004: }
2005: goto notify_others;
2006: }
2007: rsyserr(FERROR_XFER, stat_errno, "recv_generator: failed to stat %s",
2008: full_fname(fname));
2009: goto cleanup;
2010: }
2011:
2012: if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
2013: ;
2014: else if (fnamecmp_type == FNAMECMP_FUZZY)
2015: ;
2016: else if (unchanged_file(fnamecmp, file, &sx.st)) {
2017: if (partialptr) {
2018: do_unlink(partialptr);
2019: handle_partial_dir(partialptr, PDIR_DELETE);
2020: }
2021: set_file_attrs(fname, file, &sx, NULL, maybe_ATTRS_REPORT);
2022: if (itemizing)
2023: itemize(fnamecmp, file, ndx, statret, &sx, 0, 0, NULL);
2024: #ifdef SUPPORT_HARD_LINKS
2025: if (preserve_hard_links && F_IS_HLINKED(file))
2026: finish_hard_link(file, fname, ndx, &sx.st, itemizing, code, -1);
2027: #endif
2028: if (remove_source_files != 1)
2029: goto cleanup;
2030: return_with_success:
2031: if (!dry_run)
2032: send_msg_int(MSG_SUCCESS, ndx);
2033: goto cleanup;
2034: }
2035:
2036: if (append_mode > 0 && sx.st.st_size >= F_LENGTH(file)) {
2037: #ifdef SUPPORT_HARD_LINKS
2038: if (F_IS_HLINKED(file))
2039: handle_skipped_hlink(file, itemizing, code, f_out);
2040: #endif
2041: goto cleanup;
2042: }
2043:
2044: prepare_to_open:
2045: if (partialptr) {
2046: sx.st = partial_st;
2047: fnamecmp = partialptr;
2048: fnamecmp_type = FNAMECMP_PARTIAL_DIR;
2049: statret = 0;
2050: }
2051:
2052: if (!do_xfers)
2053: goto notify_others;
2054:
2055: if (read_batch || whole_file) {
2056: if (inplace && make_backups > 0 && fnamecmp_type == FNAMECMP_FNAME) {
2057: if (!(backupptr = get_backup_name(fname)))
2058: goto cleanup;
2059: if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS)))
2060: goto pretend_missing;
2061: if (copy_file(fname, backupptr, -1, back_file->mode, 1) < 0) {
2062: unmake_file(back_file);
2063: back_file = NULL;
2064: goto cleanup;
2065: }
2066: }
2067: goto notify_others;
2068: }
2069:
2070: if (fuzzy_dirlist) {
2071: int j = flist_find(fuzzy_dirlist, file);
2072: if (j >= 0) /* don't use changing file as future fuzzy basis */
2073: fuzzy_dirlist->files[j]->flags |= FLAG_FILE_SENT;
2074: }
2075:
2076: /* open the file */
2077: if ((fd = do_open(fnamecmp, O_RDONLY, 0)) < 0) {
2078: rsyserr(FERROR, errno, "failed to open %s, continuing",
2079: full_fname(fnamecmp));
2080: pretend_missing:
2081: /* pretend the file didn't exist */
2082: #ifdef SUPPORT_HARD_LINKS
2083: if (preserve_hard_links && F_HLINK_NOT_LAST(file)) {
2084: cur_flist->in_progress++;
2085: goto cleanup;
2086: }
2087: #endif
2088: statret = real_ret = -1;
2089: goto notify_others;
2090: }
2091:
2092: if (inplace && make_backups > 0 && fnamecmp_type == FNAMECMP_FNAME) {
2093: if (!(backupptr = get_backup_name(fname))) {
2094: close(fd);
2095: goto cleanup;
2096: }
2097: if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS))) {
2098: close(fd);
2099: goto pretend_missing;
2100: }
2101: if (robust_unlink(backupptr) && errno != ENOENT) {
2102: rsyserr(FERROR_XFER, errno, "unlink %s",
2103: full_fname(backupptr));
2104: unmake_file(back_file);
2105: back_file = NULL;
2106: close(fd);
2107: goto cleanup;
2108: }
2109: if ((f_copy = do_open(backupptr, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0) {
2110: int save_errno = errno ? errno : EINVAL; /* 0 paranoia */
2111: if (errno == ENOENT && make_bak_dir(backupptr) == 0) {
2112: if ((f_copy = do_open(backupptr, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600)) < 0)
2113: save_errno = errno ? errno : save_errno;
2114: else
2115: save_errno = 0;
2116: }
2117: if (save_errno) {
2118: rsyserr(FERROR_XFER, save_errno, "open %s", full_fname(backupptr));
2119: unmake_file(back_file);
2120: back_file = NULL;
2121: close(fd);
2122: goto cleanup;
2123: }
2124: }
2125: fnamecmp_type = FNAMECMP_BACKUP;
2126: }
2127:
2128: if (verbose > 3) {
2129: rprintf(FINFO, "gen mapped %s of size %.0f\n",
2130: fnamecmp, (double)sx.st.st_size);
2131: }
2132:
2133: if (verbose > 2)
2134: rprintf(FINFO, "generating and sending sums for %d\n", ndx);
2135:
2136: notify_others:
2137: if (remove_source_files && !delay_updates && !phase && !dry_run)
2138: increment_active_files(ndx, itemizing, code);
2139: if (inc_recurse && !dry_run)
2140: cur_flist->in_progress++;
2141: #ifdef SUPPORT_HARD_LINKS
2142: if (preserve_hard_links && F_IS_HLINKED(file))
2143: file->flags |= FLAG_FILE_SENT;
2144: #endif
2145: write_ndx(f_out, ndx);
2146: if (itemizing) {
2147: int iflags = ITEM_TRANSFER;
2148: if (always_checksum > 0)
2149: iflags |= ITEM_REPORT_CHANGE;
2150: if (fnamecmp_type != FNAMECMP_FNAME)
2151: iflags |= ITEM_BASIS_TYPE_FOLLOWS;
2152: if (fnamecmp_type == FNAMECMP_FUZZY)
2153: iflags |= ITEM_XNAME_FOLLOWS;
2154: itemize(fnamecmp, file, -1, real_ret, &real_sx, iflags, fnamecmp_type,
2155: fuzzy_file ? fuzzy_file->basename : NULL);
2156: #ifdef SUPPORT_ACLS
2157: if (preserve_acls)
2158: free_acl(&real_sx);
2159: #endif
2160: #ifdef SUPPORT_XATTRS
2161: if (preserve_xattrs)
2162: free_xattr(&real_sx);
2163: #endif
2164: }
2165:
2166: if (!do_xfers) {
2167: #ifdef SUPPORT_HARD_LINKS
2168: if (preserve_hard_links && F_IS_HLINKED(file))
2169: finish_hard_link(file, fname, ndx, &sx.st, itemizing, code, -1);
2170: #endif
2171: goto cleanup;
2172: }
2173: if (read_batch)
2174: goto cleanup;
2175:
2176: if (statret != 0 || whole_file)
2177: write_sum_head(f_out, NULL);
2178: else if (sx.st.st_size <= 0) {
2179: write_sum_head(f_out, NULL);
2180: close(fd);
2181: } else {
2182: if (generate_and_send_sums(fd, sx.st.st_size, f_out, f_copy) < 0) {
2183: rprintf(FWARNING,
2184: "WARNING: file is too large for checksum sending: %s\n",
2185: fnamecmp);
2186: write_sum_head(f_out, NULL);
2187: }
2188: close(fd);
2189: }
2190:
2191: cleanup:
2192: if (back_file) {
2193: int save_preserve_xattrs = preserve_xattrs;
2194: if (f_copy >= 0)
2195: close(f_copy);
2196: #ifdef SUPPORT_XATTRS
2197: if (preserve_xattrs) {
2198: copy_xattrs(fname, backupptr);
2199: preserve_xattrs = 0;
2200: }
2201: #endif
2202: set_file_attrs(backupptr, back_file, NULL, NULL, 0);
2203: preserve_xattrs = save_preserve_xattrs;
2204: if (verbose > 1) {
2205: rprintf(FINFO, "backed up %s to %s\n",
2206: fname, backupptr);
2207: }
2208: unmake_file(back_file);
2209: }
2210:
2211: #ifdef SUPPORT_ACLS
2212: if (preserve_acls)
2213: free_acl(&sx);
2214: #endif
2215: #ifdef SUPPORT_XATTRS
2216: if (preserve_xattrs)
2217: free_xattr(&sx);
2218: #endif
2219: return;
2220: }
2221:
2222: #ifdef SUPPORT_HARD_LINKS
2223: static void handle_skipped_hlink(struct file_struct *file, int itemizing,
2224: enum logcode code, int f_out)
2225: {
2226: char fbuf[MAXPATHLEN];
2227: int new_last_ndx;
2228: struct file_list *save_flist = cur_flist;
2229:
2230: /* If we skip the last item in a chain of links and there was a
2231: * prior non-skipped hard-link waiting to finish, finish it now. */
2232: if ((new_last_ndx = skip_hard_link(file, &cur_flist)) < 0)
2233: return;
2234:
2235: file = cur_flist->files[new_last_ndx - cur_flist->ndx_start];
2236: cur_flist->in_progress--; /* undo prior increment */
2237: f_name(file, fbuf);
2238: recv_generator(fbuf, file, new_last_ndx, itemizing, code, f_out);
2239:
2240: cur_flist = save_flist;
2241: }
2242: #endif
2243:
2244: static void touch_up_dirs(struct file_list *flist, int ndx)
2245: {
2246: static int counter = 0;
2247: struct file_struct *file;
2248: char *fname;
2249: BOOL fix_dir_perms;
2250: int i, start, end;
2251:
2252: if (ndx < 0) {
2253: start = 0;
2254: end = flist->used - 1;
2255: } else
2256: start = end = ndx;
2257:
2258: /* Fix any directory permissions that were modified during the
2259: * transfer and/or re-set any tweaked modified-time values. */
2260: for (i = start; i <= end; i++, counter++) {
2261: file = flist->files[i];
2262: if (!S_ISDIR(file->mode)
2263: || (!implied_dirs && file->flags & FLAG_IMPLIED_DIR))
2264: continue;
2265: if (verbose > 3) {
2266: fname = f_name(file, NULL);
2267: rprintf(FINFO, "touch_up_dirs: %s (%d)\n",
2268: NS(fname), i);
2269: }
2270: /* Be sure not to retouch permissions with --fake-super. */
2271: fix_dir_perms = !am_root && !(file->mode & S_IWUSR);
2272: if (!F_IS_ACTIVE(file) || file->flags & FLAG_MISSING_DIR
2273: || !(need_retouch_dir_times || fix_dir_perms))
2274: continue;
2275: fname = f_name(file, NULL);
2276: if (fix_dir_perms)
2277: do_chmod(fname, file->mode);
2278: if (need_retouch_dir_times) {
2279: STRUCT_STAT st;
2280: if (link_stat(fname, &st, 0) == 0
2281: && cmp_time(st.st_mtime, file->modtime) != 0)
2282: set_modtime(fname, file->modtime, file->mode);
2283: }
2284: if (counter >= loopchk_limit) {
2285: if (allowed_lull)
2286: maybe_send_keepalive();
2287: else
2288: maybe_flush_socket(0);
2289: counter = 0;
2290: }
2291: }
2292: }
2293:
2294: void check_for_finished_files(int itemizing, enum logcode code, int check_redo)
2295: {
2296: struct file_struct *file;
2297: struct file_list *flist;
2298: char fbuf[MAXPATHLEN];
2299: int ndx;
2300:
2301: while (1) {
2302: #ifdef SUPPORT_HARD_LINKS
2303: if (preserve_hard_links && (ndx = get_hlink_num()) != -1) {
2304: int send_failed = (ndx == -2);
2305: if (send_failed)
2306: ndx = get_hlink_num();
2307: flist = flist_for_ndx(ndx, "check_for_finished_files.1");
2308: file = flist->files[ndx - flist->ndx_start];
2309: assert(file->flags & FLAG_HLINKED);
2310: if (send_failed)
2311: handle_skipped_hlink(file, itemizing, code, sock_f_out);
2312: else
2313: finish_hard_link(file, f_name(file, fbuf), ndx, NULL, itemizing, code, -1);
2314: flist->in_progress--;
2315: continue;
2316: }
2317: #endif
2318:
2319: if (check_redo && (ndx = get_redo_num()) != -1) {
2320: csum_length = SUM_LENGTH;
2321: max_size = -max_size;
2322: min_size = -min_size;
2323: ignore_existing = -ignore_existing;
2324: ignore_non_existing = -ignore_non_existing;
2325: update_only = -update_only;
2326: always_checksum = -always_checksum;
2327: size_only = -size_only;
2328: append_mode = -append_mode;
2329: make_backups = -make_backups; /* avoid dup backup w/inplace */
2330: ignore_times++;
2331:
2332: flist = cur_flist;
2333: cur_flist = flist_for_ndx(ndx, "check_for_finished_files.2");
2334:
2335: file = cur_flist->files[ndx - cur_flist->ndx_start];
2336: if (solo_file)
2337: strlcpy(fbuf, solo_file, sizeof fbuf);
2338: else
2339: f_name(file, fbuf);
2340: recv_generator(fbuf, file, ndx, itemizing, code, sock_f_out);
2341: cur_flist->to_redo--;
2342:
2343: cur_flist = flist;
2344:
2345: csum_length = SHORT_SUM_LENGTH;
2346: max_size = -max_size;
2347: min_size = -min_size;
2348: ignore_existing = -ignore_existing;
2349: ignore_non_existing = -ignore_non_existing;
2350: update_only = -update_only;
2351: always_checksum = -always_checksum;
2352: size_only = -size_only;
2353: append_mode = -append_mode;
2354: make_backups = -make_backups;
2355: ignore_times--;
2356: continue;
2357: }
2358:
2359: if (cur_flist == first_flist)
2360: break;
2361:
2362: /* We only get here if inc_recurse is enabled. */
2363: if (first_flist->in_progress || first_flist->to_redo)
2364: break;
2365:
2366: write_ndx(sock_f_out, NDX_DONE);
2367: if (!read_batch)
2368: maybe_flush_socket(1);
2369:
2370: if (delete_during == 2 || !dir_tweaking) {
2371: /* Skip directory touch-up. */
2372: } else if (first_flist->parent_ndx >= 0)
2373: touch_up_dirs(dir_flist, first_flist->parent_ndx);
2374:
2375: flist_free(first_flist); /* updates first_flist */
2376: }
2377: }
2378:
2379: void generate_files(int f_out, const char *local_name)
2380: {
2381: int i, ndx, next_loopchk = 0;
2382: char fbuf[MAXPATHLEN];
2383: int itemizing;
2384: enum logcode code;
2385: int save_do_progress = do_progress;
2386:
2387: if (protocol_version >= 29) {
2388: itemizing = 1;
2389: maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT;
2390: code = logfile_format_has_i ? FNONE : FLOG;
2391: } else if (am_daemon) {
2392: itemizing = logfile_format_has_i && do_xfers;
2393: maybe_ATTRS_REPORT = ATTRS_REPORT;
2394: code = itemizing || !do_xfers ? FCLIENT : FINFO;
2395: } else if (!am_server) {
2396: itemizing = stdout_format_has_i;
2397: maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT;
2398: code = itemizing ? FNONE : FINFO;
2399: } else {
2400: itemizing = 0;
2401: maybe_ATTRS_REPORT = ATTRS_REPORT;
2402: code = FINFO;
2403: }
2404: solo_file = local_name;
2405: dir_tweaking = !(list_only || solo_file || dry_run);
2406: need_retouch_dir_times = preserve_times & PRESERVE_DIR_TIMES;
2407: loopchk_limit = allowed_lull ? allowed_lull * 5 : 200;
2408: symlink_timeset_failed_flags = ITEM_REPORT_TIME
2409: | (protocol_version >= 30 || !am_server ? ITEM_REPORT_TIMEFAIL : 0);
2410: implied_dirs_are_missing = relative_paths && !implied_dirs && protocol_version < 30;
2411:
2412: if (verbose > 2)
2413: rprintf(FINFO, "generator starting pid=%ld\n", (long)getpid());
2414:
2415: if (detect_renamed) {
2416: delayed_bits = bitbag_create(cur_flist->used);
2417: if (!delete_before && !delete_during)
2418: delete_during = -1;
2419: }
2420:
2421: if (delete_before && !solo_file && cur_flist->used > 0)
2422: do_delete_pass();
2423: if (delete_during == 2) {
2424: deldelay_size = BIGPATHBUFLEN * 4;
2425: deldelay_buf = new_array(char, deldelay_size);
2426: if (!deldelay_buf)
2427: out_of_memory("delete-delay");
2428: }
2429: do_progress = 0;
2430:
2431: if (append_mode > 0 || detect_renamed || whole_file < 0)
2432: whole_file = 0;
2433: if (verbose >= 2) {
2434: rprintf(FINFO, "delta-transmission %s\n",
2435: whole_file
2436: ? "disabled for local transfer or --whole-file"
2437: : "enabled");
2438: }
2439:
2440: /* Since we often fill up the outgoing socket and then just sit around
2441: * waiting for the other 2 processes to do their thing, we don't want
2442: * to exit on a timeout. If the data stops flowing, the receiver will
2443: * notice that and let us know via the message pipe (or its closing). */
2444: ignore_timeout = 1;
2445:
2446: dflt_perms = (ACCESSPERMS & ~orig_umask);
2447:
2448: do {
2449: #ifdef SUPPORT_HARD_LINKS
2450: if (preserve_hard_links && inc_recurse) {
2451: while (!flist_eof && file_total < FILECNT_LOOKAHEAD/2)
2452: wait_for_receiver();
2453: }
2454: #endif
2455:
2456: if (inc_recurse && cur_flist->parent_ndx >= 0) {
2457: struct file_struct *fp = dir_flist->files[cur_flist->parent_ndx];
2458: if (solo_file)
2459: strlcpy(fbuf, solo_file, sizeof fbuf);
2460: else
2461: f_name(fp, fbuf);
2462: ndx = cur_flist->ndx_start - 1;
2463: recv_generator(fbuf, fp, ndx, itemizing, code, f_out);
2464: if (delete_during && dry_run < 2 && !list_only
2465: && !(fp->flags & FLAG_MISSING_DIR)) {
2466: if (fp->flags & FLAG_CONTENT_DIR) {
2467: dev_t dirdev;
2468: if (one_file_system) {
2469: uint32 *devp = F_DIR_DEV_P(fp);
2470: dirdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
2471: } else
2472: dirdev = MAKEDEV(0, 0);
2473: delete_in_dir(fbuf, fp, &dirdev, 0);
2474: } else
2475: change_local_filter_dir(fbuf, strlen(fbuf), F_DEPTH(fp));
2476: }
2477: }
2478: for (i = cur_flist->low; i <= cur_flist->high; i++) {
2479: struct file_struct *file = cur_flist->sorted[i];
2480:
2481: if (!F_IS_ACTIVE(file))
2482: continue;
2483:
2484: if (unsort_ndx)
2485: ndx = F_NDX(file);
2486: else
2487: ndx = i + cur_flist->ndx_start;
2488:
2489: if (solo_file)
2490: strlcpy(fbuf, solo_file, sizeof fbuf);
2491: else
2492: f_name(file, fbuf);
2493: recv_generator(fbuf, file, ndx, itemizing, code, f_out);
2494:
2495: check_for_finished_files(itemizing, code, 0);
2496:
2497: if (i + cur_flist->ndx_start >= next_loopchk) {
2498: if (allowed_lull)
2499: maybe_send_keepalive();
2500: else
2501: maybe_flush_socket(0);
2502: next_loopchk += loopchk_limit;
2503: }
2504: }
2505:
2506: if (!inc_recurse) {
2507: write_ndx(f_out, NDX_DONE);
2508: break;
2509: }
2510:
2511: while (1) {
2512: check_for_finished_files(itemizing, code, 1);
2513: if (cur_flist->next || flist_eof)
2514: break;
2515: wait_for_receiver();
2516: }
2517: } while ((cur_flist = cur_flist->next) != NULL);
2518:
2519: if (delete_during)
2520: delete_in_dir(NULL, NULL, &dev_zero, 0);
2521: if (detect_renamed) {
2522: if (delete_during < 0)
2523: delete_during = 0;
2524: detect_renamed = 0;
2525:
2526: for (i = -1; (i = bitbag_next_bit(delayed_bits, i)) >= 0; ) {
2527: struct file_struct *file = cur_flist->files[i];
2528: if (local_name)
2529: strlcpy(fbuf, local_name, sizeof fbuf);
2530: else
2531: f_name(file, fbuf);
2532: recv_generator(fbuf, file, i, itemizing, code, f_out);
2533: }
2534: }
2535: phase++;
2536: if (verbose > 2)
2537: rprintf(FINFO, "generate_files phase=%d\n", phase);
2538:
2539: while (1) {
2540: check_for_finished_files(itemizing, code, 1);
2541: if (msgdone_cnt)
2542: break;
2543: wait_for_receiver();
2544: }
2545:
2546: phase++;
2547: if (verbose > 2)
2548: rprintf(FINFO, "generate_files phase=%d\n", phase);
2549:
2550: write_ndx(f_out, NDX_DONE);
2551:
2552: /* Reduce round-trip lag-time for a useless delay-updates phase. */
2553: if (protocol_version >= 29 && !delay_updates)
2554: write_ndx(f_out, NDX_DONE);
2555:
2556: /* Read MSG_DONE for the redo phase (and any prior messages). */
2557: while (1) {
2558: check_for_finished_files(itemizing, code, 0);
2559: if (msgdone_cnt > 1)
2560: break;
2561: wait_for_receiver();
2562: }
2563:
2564: if (protocol_version >= 29) {
2565: phase++;
2566: if (verbose > 2)
2567: rprintf(FINFO, "generate_files phase=%d\n", phase);
2568: if (delay_updates)
2569: write_ndx(f_out, NDX_DONE);
2570: /* Read MSG_DONE for delay-updates phase & prior messages. */
2571: while (msgdone_cnt == 2)
2572: wait_for_receiver();
2573: }
2574:
2575: do_progress = save_do_progress;
2576: if (delete_during == 2)
2577: do_delayed_deletions(fbuf);
2578: if (delete_after && !solo_file && file_total > 0)
2579: do_delete_pass();
2580:
2581: if ((need_retouch_dir_perms || need_retouch_dir_times)
2582: && dir_tweaking && (!inc_recurse || delete_during == 2))
2583: touch_up_dirs(dir_flist, -1);
2584:
2585: if (max_delete >= 0 && deletion_count > max_delete) {
2586: rprintf(FWARNING,
2587: "Deletions stopped due to --max-delete limit (%d skipped)\n",
2588: deletion_count - max_delete);
2589: io_error |= IOERR_DEL_LIMIT;
2590: }
2591:
2592: if (verbose > 2)
2593: rprintf(FINFO, "generate_files finished\n");
2594: }
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