1: This patch provides --fileflags, which preserves the st_flags stat() field.
2: Modified from a patch that was written by Rolf Grossmann.
3:
4: To use this patch, run these commands for a successful build:
5:
6: patch -p1 <patches/fileflags.diff
7: ./configure (optional if already run)
8: make
9:
10: based-on: e94bad1c156fc3910f24e2b3b71a81b0b0bdeb70
11: diff --git a/compat.c b/compat.c
12: --- a/compat.c
13: +++ b/compat.c
14: @@ -39,6 +39,7 @@ extern int checksum_seed;
15: extern int basis_dir_cnt;
16: extern int prune_empty_dirs;
17: extern int protocol_version;
18: +extern int force_change;
19: extern int protect_args;
20: extern int preserve_uid;
21: extern int preserve_gid;
22: @@ -46,6 +47,7 @@ extern int preserve_atimes;
23: extern int preserve_crtimes;
24: extern int preserve_acls;
25: extern int preserve_xattrs;
26: +extern int preserve_fileflags;
27: extern int xfer_flags_as_varint;
28: extern int need_messages_from_generator;
29: extern int delete_mode, delete_before, delete_during, delete_after;
30: @@ -77,7 +79,7 @@ int do_negotiated_strings = 0;
31: int xmit_id0_names = 0;
32:
33: /* These index values are for the file-list's extra-attribute array. */
34: -int pathname_ndx, depth_ndx, atimes_ndx, crtimes_ndx, uid_ndx, gid_ndx, acls_ndx, xattrs_ndx, unsort_ndx;
35: +int pathname_ndx, depth_ndx, atimes_ndx, crtimes_ndx, uid_ndx, gid_ndx, fileflags_ndx, acls_ndx, xattrs_ndx, unsort_ndx;
36:
37: int receiver_symlink_times = 0; /* receiver can set the time on a symlink */
38: int sender_symlink_iconv = 0; /* sender should convert symlink content */
39: @@ -566,6 +568,8 @@ void setup_protocol(int f_out,int f_in)
40: uid_ndx = ++file_extra_cnt;
41: if (preserve_gid)
42: gid_ndx = ++file_extra_cnt;
43: + if (preserve_fileflags || (force_change && !am_sender))
44: + fileflags_ndx = ++file_extra_cnt;
45: if (preserve_acls && !am_sender)
46: acls_ndx = ++file_extra_cnt;
47: if (preserve_xattrs)
48: @@ -726,6 +730,10 @@ void setup_protocol(int f_out,int f_in)
49: fprintf(stderr, "Both rsync versions must be at least 3.2.0 for --crtimes.\n");
50: exit_cleanup(RERR_PROTOCOL);
51: }
52: + if (!xfer_flags_as_varint && preserve_fileflags) {
53: + fprintf(stderr, "Both rsync versions must be at least 3.2.0 for --fileflags.\n");
54: + exit_cleanup(RERR_PROTOCOL);
55: + }
56: if (am_sender) {
57: receiver_symlink_times = am_server
58: ? strchr(client_info, 'L') != NULL
59: diff --git a/delete.c b/delete.c
60: --- a/delete.c
61: +++ b/delete.c
62: @@ -25,6 +25,7 @@
63: extern int am_root;
64: extern int make_backups;
65: extern int max_delete;
66: +extern int force_change;
67: extern char *backup_dir;
68: extern char *backup_suffix;
69: extern int backup_suffix_len;
70: @@ -97,8 +98,12 @@ static enum delret delete_dir_contents(char *fname, uint16 flags)
71: }
72:
73: strlcpy(p, fp->basename, remainder);
74: +#ifdef SUPPORT_FORCE_CHANGE
75: + if (force_change)
76: + make_mutable(fname, fp->mode, F_FFLAGS(fp), force_change);
77: +#endif
78: if (!(fp->mode & S_IWUSR) && !am_root && fp->flags & FLAG_OWNED_BY_US)
79: - do_chmod(fname, fp->mode | S_IWUSR);
80: + do_chmod(fname, fp->mode | S_IWUSR, NO_FFLAGS);
81: /* Save stack by recursing to ourself directly. */
82: if (S_ISDIR(fp->mode)) {
83: if (delete_dir_contents(fname, flags | DEL_RECURSE) != DR_SUCCESS)
84: @@ -139,11 +144,18 @@ enum delret delete_item(char *fbuf, uint16 mode, uint16 flags)
85: }
86:
87: if (flags & DEL_NO_UID_WRITE)
88: - do_chmod(fbuf, mode | S_IWUSR);
89: + do_chmod(fbuf, mode | S_IWUSR, NO_FFLAGS);
90:
91: if (S_ISDIR(mode) && !(flags & DEL_DIR_IS_EMPTY)) {
92: /* This only happens on the first call to delete_item() since
93: * delete_dir_contents() always calls us w/DEL_DIR_IS_EMPTY. */
94: +#ifdef SUPPORT_FORCE_CHANGE
95: + if (force_change) {
96: + STRUCT_STAT st;
97: + if (x_lstat(fbuf, &st, NULL) == 0)
98: + make_mutable(fbuf, st.st_mode, st.st_flags, force_change);
99: + }
100: +#endif
101: ignore_perishable = 1;
102: /* If DEL_RECURSE is not set, this just reports emptiness. */
103: ret = delete_dir_contents(fbuf, flags);
104: diff --git a/flist.c b/flist.c
105: --- a/flist.c
106: +++ b/flist.c
107: @@ -52,6 +52,7 @@ extern int preserve_links;
108: extern int preserve_hard_links;
109: extern int preserve_devices;
110: extern int preserve_specials;
111: +extern int preserve_fileflags;
112: extern int delete_during;
113: extern int missing_args;
114: extern int eol_nulls;
115: @@ -383,6 +384,9 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file,
116: static time_t crtime;
117: #endif
118: static mode_t mode;
119: +#ifdef SUPPORT_FILEFLAGS
120: + static uint32 fileflags;
121: +#endif
122: #ifdef SUPPORT_HARD_LINKS
123: static int64 dev;
124: #endif
125: @@ -426,6 +430,14 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file,
126: xflags |= XMIT_SAME_MODE;
127: else
128: mode = file->mode;
129: +#ifdef SUPPORT_FILEFLAGS
130: + if (preserve_fileflags) {
131: + if (F_FFLAGS(file) == fileflags)
132: + xflags |= XMIT_SAME_FLAGS;
133: + else
134: + fileflags = F_FFLAGS(file);
135: + }
136: +#endif
137:
138: if (preserve_devices && IS_DEVICE(mode)) {
139: if (protocol_version < 28) {
140: @@ -587,6 +599,10 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file,
141: #endif
142: if (!(xflags & XMIT_SAME_MODE))
143: write_int(f, to_wire_mode(mode));
144: +#ifdef SUPPORT_FILEFLAGS
145: + if (preserve_fileflags && !(xflags & XMIT_SAME_FLAGS))
146: + write_int(f, (int)fileflags);
147: +#endif
148: if (atimes_ndx && !S_ISDIR(mode) && !(xflags & XMIT_SAME_ATIME))
149: write_varlong(f, atime, 4);
150: if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
151: @@ -681,6 +697,9 @@ static struct file_struct *recv_file_entry(int f, struct file_list *flist, int x
152: static time_t crtime;
153: #endif
154: static mode_t mode;
155: +#ifdef SUPPORT_FILEFLAGS
156: + static uint32 fileflags;
157: +#endif
158: #ifdef SUPPORT_HARD_LINKS
159: static int64 dev;
160: #endif
161: @@ -797,6 +816,10 @@ static struct file_struct *recv_file_entry(int f, struct file_list *flist, int x
162: #ifdef SUPPORT_CRTIMES
163: if (crtimes_ndx)
164: crtime = F_CRTIME(first);
165: +#endif
166: +#ifdef SUPPORT_FILEFLAGS
167: + if (preserve_fileflags)
168: + fileflags = F_FFLAGS(first);
169: #endif
170: if (preserve_uid)
171: uid = F_OWNER(first);
172: @@ -869,6 +892,10 @@ static struct file_struct *recv_file_entry(int f, struct file_list *flist, int x
173:
174: if (chmod_modes && !S_ISLNK(mode) && mode)
175: mode = tweak_mode(mode, chmod_modes);
176: +#ifdef SUPPORT_FILEFLAGS
177: + if (preserve_fileflags && !(xflags & XMIT_SAME_FLAGS))
178: + fileflags = (uint32)read_int(f);
179: +#endif
180:
181: if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
182: if (protocol_version < 30)
183: @@ -1027,6 +1054,10 @@ static struct file_struct *recv_file_entry(int f, struct file_list *flist, int x
184: }
185: #endif
186: file->mode = mode;
187: +#ifdef SUPPORT_FILEFLAGS
188: + if (preserve_fileflags)
189: + F_FFLAGS(file) = fileflags;
190: +#endif
191: if (preserve_uid)
192: F_OWNER(file) = uid;
193: if (preserve_gid) {
194: @@ -1428,6 +1459,10 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
195: }
196: #endif
197: file->mode = st.st_mode;
198: +#if defined SUPPORT_FILEFLAGS || defined SUPPORT_FORCE_CHANGE
199: + if (fileflags_ndx)
200: + F_FFLAGS(file) = st.st_flags;
201: +#endif
202: if (preserve_uid)
203: F_OWNER(file) = st.st_uid;
204: if (preserve_gid)
205: diff --git a/generator.c b/generator.c
206: --- a/generator.c
207: +++ b/generator.c
208: @@ -43,8 +43,10 @@ extern int write_devices;
209: extern int preserve_specials;
210: extern int preserve_hard_links;
211: extern int preserve_executability;
212: +extern int preserve_fileflags;
213: extern int preserve_perms;
214: extern int preserve_times;
215: +extern int force_change;
216: extern int delete_mode;
217: extern int delete_before;
218: extern int delete_during;
219: @@ -487,6 +489,10 @@ int unchanged_attrs(const char *fname, struct file_struct *file, stat_x *sxp)
220: return 0;
221: if (perms_differ(file, sxp))
222: return 0;
223: +#ifdef SUPPORT_FILEFLAGS
224: + if (preserve_fileflags && sxp->st.st_flags != F_FFLAGS(file))
225: + return 0;
226: +#endif
227: if (ownership_differs(file, sxp))
228: return 0;
229: #ifdef SUPPORT_ACLS
230: @@ -548,6 +554,11 @@ void itemize(const char *fnamecmp, struct file_struct *file, int ndx, int statre
231: iflags |= ITEM_REPORT_OWNER;
232: if (gid_ndx && !(file->flags & FLAG_SKIP_GROUP) && sxp->st.st_gid != (gid_t)F_GROUP(file))
233: iflags |= ITEM_REPORT_GROUP;
234: +#ifdef SUPPORT_FILEFLAGS
235: + if (preserve_fileflags && !S_ISLNK(file->mode)
236: + && sxp->st.st_flags != F_FFLAGS(file))
237: + iflags |= ITEM_REPORT_FFLAGS;
238: +#endif
239: #ifdef SUPPORT_ACLS
240: if (preserve_acls && !S_ISLNK(file->mode)) {
241: if (!ACL_READY(*sxp))
242: @@ -1442,6 +1453,10 @@ static void recv_generator(char *fname, struct file_struct *file, int ndx,
243: if (!preserve_perms) { /* See comment in non-dir code below. */
244: file->mode = dest_mode(file->mode, sx.st.st_mode, dflt_perms, statret == 0);
245: }
246: +#ifdef SUPPORT_FORCE_CHANGE
247: + if (force_change && !preserve_fileflags)
248: + F_FFLAGS(file) = sx.st.st_flags;
249: +#endif
250: if (statret != 0 && basis_dir[0] != NULL) {
251: int j = try_dests_non(file, fname, ndx, fnamecmpbuf, &sx, itemizing, code);
252: if (j == -2) {
253: @@ -1484,10 +1499,15 @@ static void recv_generator(char *fname, struct file_struct *file, int ndx,
254: * readable and writable permissions during the time we are
255: * putting files within them. This is then restored to the
256: * former permissions after the transfer is done. */
257: +#ifdef SUPPORT_FORCE_CHANGE
258: + if (force_change && F_FFLAGS(file) & force_change
259: + && make_mutable(fname, file->mode, F_FFLAGS(file), force_change))
260: + need_retouch_dir_perms = 1;
261: +#endif
262: #ifdef HAVE_CHMOD
263: if (!am_root && (file->mode & S_IRWXU) != S_IRWXU && dir_tweaking) {
264: mode_t mode = file->mode | S_IRWXU;
265: - if (do_chmod(fname, mode) < 0) {
266: + if (do_chmod(fname, mode, 0) < 0) {
267: rsyserr(FERROR_XFER, errno,
268: "failed to modify permissions on %s",
269: full_fname(fname));
270: @@ -1522,6 +1542,10 @@ static void recv_generator(char *fname, struct file_struct *file, int ndx,
271: int exists = statret == 0 && !S_ISDIR(sx.st.st_mode);
272: file->mode = dest_mode(file->mode, sx.st.st_mode, dflt_perms, exists);
273: }
274: +#ifdef SUPPORT_FORCE_CHANGE
275: + if (force_change && !preserve_fileflags)
276: + F_FFLAGS(file) = sx.st.st_flags;
277: +#endif
278:
279: #ifdef SUPPORT_HARD_LINKS
280: if (preserve_hard_links && F_HLINK_NOT_FIRST(file)
281: @@ -2102,17 +2126,25 @@ static void touch_up_dirs(struct file_list *flist, int ndx)
282: continue;
283: fname = f_name(file, NULL);
284: if (fix_dir_perms)
285: - do_chmod(fname, file->mode);
286: + do_chmod(fname, file->mode, 0);
287: if (need_retouch_dir_times) {
288: STRUCT_STAT st;
289: if (link_stat(fname, &st, 0) == 0 && mtime_differs(&st, file)) {
290: st.st_mtime = file->modtime;
291: #ifdef ST_MTIME_NSEC
292: st.ST_MTIME_NSEC = F_MOD_NSEC_or_0(file);
293: +#endif
294: +#ifdef SUPPORT_FORCE_CHANGE
295: + st.st_mode = file->mode;
296: + st.st_flags = 0;
297: #endif
298: set_times(fname, &st);
299: }
300: }
301: +#ifdef SUPPORT_FORCE_CHANGE
302: + if (force_change && F_FFLAGS(file) & force_change)
303: + undo_make_mutable(fname, F_FFLAGS(file));
304: +#endif
305: if (counter >= loopchk_limit) {
306: if (allowed_lull)
307: maybe_send_keepalive(time(NULL), MSK_ALLOW_FLUSH);
308: diff --git a/log.c b/log.c
309: --- a/log.c
310: +++ b/log.c
311: @@ -725,7 +725,8 @@ static void log_formatted(enum logcode code, const char *format, const char *op,
312: : iflags & ITEM_REPORT_ATIME ? 'u' : 'n';
313: c[9] = !(iflags & ITEM_REPORT_ACL) ? '.' : 'a';
314: c[10] = !(iflags & ITEM_REPORT_XATTR) ? '.' : 'x';
315: - c[11] = '\0';
316: + c[11] = !(iflags & ITEM_REPORT_FFLAGS) ? '.' : 'f';
317: + c[12] = '\0';
318:
319: if (iflags & (ITEM_IS_NEW|ITEM_MISSING_DATA)) {
320: char ch = iflags & ITEM_IS_NEW ? '+' : '?';
321: diff --git a/main.c b/main.c
322: --- a/main.c
323: +++ b/main.c
324: @@ -31,6 +31,9 @@
325: #ifdef __TANDEM
326: #include <floss.h(floss_execlp)>
327: #endif
328: +#ifdef SUPPORT_FORCE_CHANGE
329: +#include <sys/sysctl.h>
330: +#endif
331:
332: extern int dry_run;
333: extern int list_only;
334: @@ -48,6 +51,7 @@ extern int called_from_signal_handler;
335: extern int need_messages_from_generator;
336: extern int kluge_around_eof;
337: extern int got_xfer_error;
338: +extern int force_change;
339: extern int msgs2stderr;
340: extern int module_id;
341: extern int read_only;
342: @@ -970,6 +974,22 @@ static int do_recv(int f_in, int f_out, char *local_name)
343: * points to an identical file won't be replaced by the referent. */
344: copy_links = copy_dirlinks = copy_unsafe_links = 0;
345:
346: +#ifdef SUPPORT_FORCE_CHANGE
347: + if (force_change & SYS_IMMUTABLE) {
348: + /* Determine whether we'll be able to unlock a system immutable item. */
349: + int mib[2];
350: + int securityLevel = 0;
351: + size_t len = sizeof securityLevel;
352: +
353: + mib[0] = CTL_KERN;
354: + mib[1] = KERN_SECURELVL;
355: + if (sysctl(mib, 2, &securityLevel, &len, NULL, 0) == 0 && securityLevel > 0) {
356: + rprintf(FERROR, "System security level is too high to force mutability on system immutable files and directories.\n");
357: + exit_cleanup(RERR_UNSUPPORTED);
358: + }
359: + }
360: +#endif
361: +
362: #ifdef SUPPORT_HARD_LINKS
363: if (preserve_hard_links && !inc_recurse)
364: match_hard_links(first_flist);
365: diff --git a/options.c b/options.c
366: --- a/options.c
367: +++ b/options.c
368: @@ -53,6 +53,7 @@ int preserve_hard_links = 0;
369: int preserve_acls = 0;
370: int preserve_xattrs = 0;
371: int preserve_perms = 0;
372: +int preserve_fileflags = 0;
373: int preserve_executability = 0;
374: int preserve_devices = 0;
375: int preserve_specials = 0;
376: @@ -90,6 +91,7 @@ int numeric_ids = 0;
377: int msgs2stderr = 2; /* Default: send errors to stderr for local & remote-shell transfers */
378: int allow_8bit_chars = 0;
379: int force_delete = 0;
380: +int force_change = 0;
381: int io_timeout = 0;
382: int prune_empty_dirs = 0;
383: int use_qsort = 0;
384: @@ -614,6 +616,8 @@ static struct poptOption long_options[] = {
385: {"perms", 'p', POPT_ARG_VAL, &preserve_perms, 1, 0, 0 },
386: {"no-perms", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
387: {"no-p", 0, POPT_ARG_VAL, &preserve_perms, 0, 0, 0 },
388: + {"fileflags", 0, POPT_ARG_VAL, &preserve_fileflags, 1, 0, 0 },
389: + {"no-fileflags", 0, POPT_ARG_VAL, &preserve_fileflags, 0, 0, 0 },
390: {"executability", 'E', POPT_ARG_NONE, &preserve_executability, 0, 0, 0 },
391: {"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
392: {"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
393: @@ -711,6 +715,12 @@ static struct poptOption long_options[] = {
394: {"remove-source-files",0,POPT_ARG_VAL, &remove_source_files, 1, 0, 0 },
395: {"force", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
396: {"no-force", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
397: + {"force-delete", 0, POPT_ARG_VAL, &force_delete, 1, 0, 0 },
398: + {"no-force-delete", 0, POPT_ARG_VAL, &force_delete, 0, 0, 0 },
399: + {"force-change", 0, POPT_ARG_VAL, &force_change, ALL_IMMUTABLE, 0, 0 },
400: + {"no-force-change", 0, POPT_ARG_VAL, &force_change, 0, 0, 0 },
401: + {"force-uchange", 0, POPT_ARG_VAL, &force_change, USR_IMMUTABLE, 0, 0 },
402: + {"force-schange", 0, POPT_ARG_VAL, &force_change, SYS_IMMUTABLE, 0, 0 },
403: {"ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 1, 0, 0 },
404: {"no-ignore-errors", 0, POPT_ARG_VAL, &ignore_errors, 0, 0, 0 },
405: {"max-delete", 0, POPT_ARG_INT, &max_delete, 0, 0, 0 },
406: @@ -998,6 +1008,14 @@ static void set_refuse_options(void)
407: #ifndef SUPPORT_CRTIMES
408: parse_one_refuse_match(0, "crtimes", list_end);
409: #endif
410: +#ifndef SUPPORT_FILEFLAGS
411: + parse_one_refuse_match(0, "fileflags", list_end);
412: +#endif
413: +#ifndef SUPPORT_FORCE_CHANGE
414: + parse_one_refuse_match(0, "force-change", list_end);
415: + parse_one_refuse_match(0, "force-uchange", list_end);
416: + parse_one_refuse_match(0, "force-schange", list_end);
417: +#endif
418:
419: /* Now we use the descrip values to actually mark the options for refusal. */
420: for (op = long_options; op != list_end; op++) {
421: @@ -2646,6 +2664,9 @@ void server_options(char **args, int *argc_p)
422: if (xfer_dirs && !recurse && delete_mode && am_sender)
423: args[ac++] = "--no-r";
424:
425: + if (preserve_fileflags)
426: + args[ac++] = "--fileflags";
427: +
428: if (do_compression && do_compression_level != CLVL_NOT_SPECIFIED) {
429: if (asprintf(&arg, "--compress-level=%d", do_compression_level) < 0)
430: goto oom;
431: @@ -2754,6 +2775,16 @@ void server_options(char **args, int *argc_p)
432: args[ac++] = "--delete-excluded";
433: if (force_delete)
434: args[ac++] = "--force";
435: +#ifdef SUPPORT_FORCE_CHANGE
436: + if (force_change) {
437: + if (force_change == ALL_IMMUTABLE)
438: + args[ac++] = "--force-change";
439: + else if (force_change == USR_IMMUTABLE)
440: + args[ac++] = "--force-uchange";
441: + else if (force_change == SYS_IMMUTABLE)
442: + args[ac++] = "--force-schange";
443: + }
444: +#endif
445: if (write_batch < 0)
446: args[ac++] = "--only-write-batch=X";
447: if (am_root > 1)
448: diff --git a/rsync.1.md b/rsync.1.md
449: --- a/rsync.1.md
450: +++ b/rsync.1.md
451: @@ -361,6 +361,7 @@ detailed description below for a complete description.
452: --keep-dirlinks, -K treat symlinked dir on receiver as dir
453: --hard-links, -H preserve hard links
454: --perms, -p preserve permissions
455: +--fileflags preserve file-flags (aka chflags)
456: --executability, -E preserve executability
457: --chmod=CHMOD affect file and/or directory permissions
458: --acls, -A preserve ACLs (implies --perms)
459: @@ -401,7 +402,10 @@ detailed description below for a complete description.
460: --ignore-missing-args ignore missing source args without error
461: --delete-missing-args delete missing source args from destination
462: --ignore-errors delete even if there are I/O errors
463: ---force force deletion of dirs even if not empty
464: +--force-delete force deletion of directories even if not empty
465: +--force-change affect user-/system-immutable files/dirs
466: +--force-uchange affect user-immutable files/dirs
467: +--force-schange affect system-immutable files/dirs
468: --max-delete=NUM don't delete more than NUM files
469: --max-size=SIZE don't transfer any file larger than SIZE
470: --min-size=SIZE don't transfer any file smaller than SIZE
471: @@ -717,6 +721,8 @@ your home directory (remove the '=' for that).
472:
473: Note that `-a` **does not preserve hardlinks**, because finding
474: multiply-linked files is expensive. You must separately specify `-H`.
475: + Note also that for backward compatibility, `-a` currently does **not**
476: + imply the `--fileflags` option.
477:
478: 0. `--no-OPTION`
479:
480: @@ -1076,7 +1082,7 @@ your home directory (remove the '=' for that).
481: Without this option, if the sending side has replaced a directory with a
482: symlink to a directory, the receiving side will delete anything that is in
483: the way of the new symlink, including a directory hierarchy (as long as
484: - `--force` or `--delete` is in effect).
485: + `--force-delete` or `--delete` is in effect).
486:
487: See also `--keep-dirlinks` for an analogous option for the receiving side.
488:
489: @@ -1262,6 +1268,29 @@ your home directory (remove the '=' for that).
490: those used by `--fake-super`) unless you repeat the option (e.g. `-XX`).
491: This "copy all xattrs" mode cannot be used with `--fake-super`.
492:
493: +0. `--fileflags` This option causes rsync to update the file-flags to be the
494: + same as the source files and directories (if your OS supports the
495: + **chflags**(2) system call). Some flags can only be altered by the
496: + super-user and some might only be unset below a certain secure-level
497: + (usually single-user mode). It will not make files alterable that are set
498: + to immutable on the receiver. To do that, see `--force-change`,
499: + `--force-uchange`, and `--force-schange`.
500: +
501: +0. `--force-change` This option causes rsync to disable both user-immutable
502: + and system-immutable flags on files and directories that are being updated
503: + or deleted on the receiving side. This option overrides `--force-uchange`
504: + and `--force-schange`.
505: +
506: +0. `--force-uchange` This option causes rsync to disable user-immutable flags
507: + on files and directories that are being updated or deleted on the receiving
508: + side. It does not try to affect system flags. This option overrides
509: + `--force-change` and `--force-schange`.
510: +
511: +0. `--force-schange` This option causes rsync to disable system-immutable
512: + flags on files and directories that are being updated or deleted on the
513: + receiving side. It does not try to affect user flags. This option
514: + overrides `--force-change` and `--force-uchange`.
515: +
516: 0. `--chmod=CHMOD`
517:
518: This option tells rsync to apply one or more comma-separated "chmod" modes
519: @@ -1729,7 +1758,7 @@ your home directory (remove the '=' for that).
520: option a step farther: each missing arg will become a deletion request of
521: the corresponding destination file on the receiving side (should it exist).
522: If the destination file is a non-empty directory, it will only be
523: - successfully deleted if `--force` or `--delete` are in effect. Other than
524: + successfully deleted if `--force-delete` or `--delete` are in effect. Other than
525: that, this option is independent of any other type of delete processing.
526:
527: The missing source files are represented by special file-list entries which
528: @@ -1740,15 +1769,16 @@ your home directory (remove the '=' for that).
529: Tells `--delete` to go ahead and delete files even when there are I/O
530: errors.
531:
532: -0. `--force`
533: +0. `--force-delete`
534:
535: This option tells rsync to delete a non-empty directory when it is to be
536: replaced by a non-directory. This is only relevant if deletions are not
537: active (see `--delete` for details).
538:
539: - Note for older rsync versions: `--force` used to still be required when
540: - using `--delete-after`, and it used to be non-functional unless the
541: - `--recursive` option was also enabled.
542: + This option can be abbreviated `--force` for backward compatibility. Note
543: + that some older rsync versions used to still require `--force` when using
544: + `--delete-after`, and it used to be non-functional unless the `--recursive`
545: + option was also enabled.
546:
547: 0. `--max-delete=NUM`
548:
549: @@ -2700,7 +2730,7 @@ your home directory (remove the '=' for that).
550: output of other verbose messages).
551:
552: The "%i" escape has a cryptic output that is 11 letters long. The general
553: - format is like the string `YXcstpoguax`, where **Y** is replaced by the type
554: + format is like the string `YXcstpoguaxf`, where **Y** is replaced by the type
555: of update being done, **X** is replaced by the file-type, and the other
556: letters represent attributes that may be output if they are being modified.
557:
558: diff --git a/rsync.c b/rsync.c
559: --- a/rsync.c
560: +++ b/rsync.c
561: @@ -31,6 +31,7 @@ extern int dry_run;
562: extern int preserve_acls;
563: extern int preserve_xattrs;
564: extern int preserve_perms;
565: +extern int preserve_fileflags;
566: extern int preserve_executability;
567: extern int preserve_times;
568: extern int am_root;
569: @@ -467,6 +468,39 @@ mode_t dest_mode(mode_t flist_mode, mode_t stat_mode, int dflt_perms,
570: return new_mode;
571: }
572:
573: +#if defined SUPPORT_FILEFLAGS || defined SUPPORT_FORCE_CHANGE
574: +/* Set a file's st_flags. */
575: +static int set_fileflags(const char *fname, uint32 fileflags)
576: +{
577: + if (do_chflags(fname, fileflags) != 0) {
578: + rsyserr(FERROR_XFER, errno,
579: + "failed to set file flags on %s",
580: + full_fname(fname));
581: + return 0;
582: + }
583: +
584: + return 1;
585: +}
586: +
587: +/* Remove immutable flags from an object, so it can be altered/removed. */
588: +int make_mutable(const char *fname, mode_t mode, uint32 fileflags, uint32 iflags)
589: +{
590: + if (S_ISLNK(mode) || !(fileflags & iflags))
591: + return 0;
592: + if (!set_fileflags(fname, fileflags & ~iflags))
593: + return -1;
594: + return 1;
595: +}
596: +
597: +/* Undo a prior make_mutable() call that returned a 1. */
598: +int undo_make_mutable(const char *fname, uint32 fileflags)
599: +{
600: + if (!set_fileflags(fname, fileflags))
601: + return -1;
602: + return 1;
603: +}
604: +#endif
605: +
606: static int same_mtime(struct file_struct *file, STRUCT_STAT *st, int extra_accuracy)
607: {
608: #ifdef ST_MTIME_NSEC
609: @@ -543,7 +577,7 @@ int set_file_attrs(const char *fname, struct file_struct *file, stat_x *sxp,
610: if (am_root >= 0) {
611: uid_t uid = change_uid ? (uid_t)F_OWNER(file) : sxp->st.st_uid;
612: gid_t gid = change_gid ? (gid_t)F_GROUP(file) : sxp->st.st_gid;
613: - if (do_lchown(fname, uid, gid) != 0) {
614: + if (do_lchown(fname, uid, gid, sxp->st.st_mode, ST_FLAGS(sxp->st)) != 0) {
615: /* We shouldn't have attempted to change uid
616: * or gid unless have the privilege. */
617: rsyserr(FERROR_XFER, errno, "%s %s failed",
618: @@ -642,7 +676,7 @@ int set_file_attrs(const char *fname, struct file_struct *file, stat_x *sxp,
619:
620: #ifdef HAVE_CHMOD
621: if (!BITS_EQUAL(sxp->st.st_mode, new_mode, CHMOD_BITS)) {
622: - int ret = am_root < 0 ? 0 : do_chmod(fname, new_mode);
623: + int ret = am_root < 0 ? 0 : do_chmod(fname, new_mode, ST_FLAGS(sxp->st));
624: if (ret < 0) {
625: rsyserr(FERROR_XFER, errno,
626: "failed to set permissions on %s",
627: @@ -654,6 +688,19 @@ int set_file_attrs(const char *fname, struct file_struct *file, stat_x *sxp,
628: }
629: #endif
630:
631: +#ifdef SUPPORT_FILEFLAGS
632: + if (preserve_fileflags && !S_ISLNK(sxp->st.st_mode)
633: + && sxp->st.st_flags != F_FFLAGS(file)) {
634: + uint32 fileflags = F_FFLAGS(file);
635: + if (flags & ATTRS_DELAY_IMMUTABLE)
636: + fileflags &= ~ALL_IMMUTABLE;
637: + if (sxp->st.st_flags != fileflags
638: + && !set_fileflags(fname, fileflags))
639: + goto cleanup;
640: + updated = 1;
641: + }
642: +#endif
643: +
644: if (INFO_GTE(NAME, 2) && flags & ATTRS_REPORT) {
645: if (updated)
646: rprintf(FCLIENT, "%s\n", fname);
647: @@ -731,7 +778,8 @@ int finish_transfer(const char *fname, const char *fnametmp,
648:
649: /* Change permissions before putting the file into place. */
650: set_file_attrs(fnametmp, file, NULL, fnamecmp,
651: - ok_to_set_time ? ATTRS_ACCURATE_TIME : ATTRS_SKIP_MTIME | ATTRS_SKIP_ATIME | ATTRS_SKIP_CRTIME);
652: + ATTRS_DELAY_IMMUTABLE
653: + | (ok_to_set_time ? ATTRS_ACCURATE_TIME : ATTRS_SKIP_MTIME | ATTRS_SKIP_ATIME | ATTRS_SKIP_CRTIME));
654:
655: /* move tmp file over real file */
656: if (DEBUG_GTE(RECV, 1))
657: @@ -748,6 +796,10 @@ int finish_transfer(const char *fname, const char *fnametmp,
658: }
659: if (ret == 0) {
660: /* The file was moved into place (not copied), so it's done. */
661: +#ifdef SUPPORT_FILEFLAGS
662: + if (preserve_fileflags && F_FFLAGS(file) & ALL_IMMUTABLE)
663: + set_fileflags(fname, F_FFLAGS(file));
664: +#endif
665: return 1;
666: }
667: /* The file was copied, so tweak the perms of the copied file. If it
668: diff --git a/rsync.h b/rsync.h
669: --- a/rsync.h
670: +++ b/rsync.h
671: @@ -69,7 +69,7 @@
672:
673: /* The following XMIT flags require an rsync that uses a varint for the flag values */
674:
675: -#define XMIT_RESERVED_16 (1<<16) /* reserved for future fileflags use */
676: +#define XMIT_SAME_FLAGS (1<<16) /* any protocol - restricted by command-line option */
677: #define XMIT_CRTIME_EQ_MTIME (1<<17) /* any protocol - restricted by command-line option */
678:
679: /* These flags are used in the live flist data. */
680: @@ -182,6 +182,7 @@
681: #define ATTRS_SKIP_MTIME (1<<1)
682: #define ATTRS_ACCURATE_TIME (1<<2)
683: #define ATTRS_SKIP_ATIME (1<<3)
684: +#define ATTRS_DELAY_IMMUTABLE (1<<4)
685: #define ATTRS_SKIP_CRTIME (1<<5)
686:
687: #define MSG_FLUSH 2
688: @@ -210,6 +211,7 @@
689: #define ITEM_REPORT_GROUP (1<<6)
690: #define ITEM_REPORT_ACL (1<<7)
691: #define ITEM_REPORT_XATTR (1<<8)
692: +#define ITEM_REPORT_FFLAGS (1<<9)
693: #define ITEM_REPORT_CRTIME (1<<10)
694: #define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
695: #define ITEM_XNAME_FOLLOWS (1<<12)
696: @@ -578,6 +580,31 @@ typedef unsigned int size_t;
697: #define SUPPORT_CRTIMES 1
698: #endif
699:
700: +#define NO_FFLAGS ((uint32)-1)
701: +
702: +#ifdef HAVE_CHFLAGS
703: +#define SUPPORT_FILEFLAGS 1
704: +#define SUPPORT_FORCE_CHANGE 1
705: +#endif
706: +
707: +#if defined SUPPORT_FILEFLAGS || defined SUPPORT_FORCE_CHANGE
708: +#ifndef UF_NOUNLINK
709: +#define UF_NOUNLINK 0
710: +#endif
711: +#ifndef SF_NOUNLINK
712: +#define SF_NOUNLINK 0
713: +#endif
714: +#define USR_IMMUTABLE (UF_IMMUTABLE|UF_NOUNLINK|UF_APPEND)
715: +#define SYS_IMMUTABLE (SF_IMMUTABLE|SF_NOUNLINK|SF_APPEND)
716: +#define ALL_IMMUTABLE (USR_IMMUTABLE|SYS_IMMUTABLE)
717: +#define ST_FLAGS(st) ((st).st_flags)
718: +#else
719: +#define USR_IMMUTABLE 0
720: +#define SYS_IMMUTABLE 0
721: +#define ALL_IMMUTABLE 0
722: +#define ST_FLAGS(st) NO_FFLAGS
723: +#endif
724: +
725: /* Find a variable that is either exactly 32-bits or longer.
726: * If some code depends on 32-bit truncation, it will need to
727: * take special action in a "#if SIZEOF_INT32 > 4" section. */
728: @@ -804,6 +831,7 @@ extern int pathname_ndx;
729: extern int depth_ndx;
730: extern int uid_ndx;
731: extern int gid_ndx;
732: +extern int fileflags_ndx;
733: extern int acls_ndx;
734: extern int xattrs_ndx;
735:
736: @@ -858,6 +886,11 @@ extern int xattrs_ndx;
737: /* When the associated option is on, all entries will have these present: */
738: #define F_OWNER(f) REQ_EXTRA(f, uid_ndx)->unum
739: #define F_GROUP(f) REQ_EXTRA(f, gid_ndx)->unum
740: +#if defined SUPPORT_FILEFLAGS || defined SUPPORT_FORCE_CHANGE
741: +#define F_FFLAGS(f) REQ_EXTRA(f, fileflags_ndx)->unum
742: +#else
743: +#define F_FFLAGS(f) NO_FFLAGS
744: +#endif
745: #define F_ACL(f) REQ_EXTRA(f, acls_ndx)->num
746: #define F_XATTR(f) REQ_EXTRA(f, xattrs_ndx)->num
747: #define F_NDX(f) REQ_EXTRA(f, unsort_ndx)->num
748: diff --git a/syscall.c b/syscall.c
749: --- a/syscall.c
750: +++ b/syscall.c
751: @@ -38,6 +38,7 @@ extern int am_root;
752: extern int am_sender;
753: extern int read_only;
754: extern int list_only;
755: +extern int force_change;
756: extern int inplace;
757: extern int preallocate_files;
758: extern int preserve_perms;
759: @@ -77,7 +78,23 @@ int do_unlink(const char *fname)
760: {
761: if (dry_run) return 0;
762: RETURN_ERROR_IF_RO_OR_LO;
763: - return unlink(fname);
764: + if (unlink(fname) == 0)
765: + return 0;
766: +#ifdef SUPPORT_FORCE_CHANGE
767: + if (force_change && errno == EPERM) {
768: + STRUCT_STAT st;
769: +
770: + if (x_lstat(fname, &st, NULL) == 0
771: + && make_mutable(fname, st.st_mode, st.st_flags, force_change) > 0) {
772: + if (unlink(fname) == 0)
773: + return 0;
774: + undo_make_mutable(fname, st.st_flags);
775: + }
776: + /* TODO: handle immutable directories */
777: + errno = EPERM;
778: + }
779: +#endif
780: + return -1;
781: }
782:
783: #ifdef SUPPORT_LINKS
784: @@ -142,14 +159,35 @@ int do_link(const char *old_path, const char *new_path)
785: }
786: #endif
787:
788: -int do_lchown(const char *path, uid_t owner, gid_t group)
789: +int do_lchown(const char *path, uid_t owner, gid_t group, UNUSED(mode_t mode), UNUSED(uint32 fileflags))
790: {
791: if (dry_run) return 0;
792: RETURN_ERROR_IF_RO_OR_LO;
793: #ifndef HAVE_LCHOWN
794: #define lchown chown
795: #endif
796: - return lchown(path, owner, group);
797: + if (lchown(path, owner, group) == 0)
798: + return 0;
799: +#ifdef SUPPORT_FORCE_CHANGE
800: + if (force_change && errno == EPERM) {
801: + if (fileflags == NO_FFLAGS) {
802: + STRUCT_STAT st;
803: + if (x_lstat(path, &st, NULL) == 0) {
804: + mode = st.st_mode;
805: + fileflags = st.st_flags;
806: + }
807: + }
808: + if (fileflags != NO_FFLAGS
809: + && make_mutable(path, mode, fileflags, force_change) > 0) {
810: + int ret = lchown(path, owner, group);
811: + undo_make_mutable(path, fileflags);
812: + if (ret == 0)
813: + return 0;
814: + }
815: + errno = EPERM;
816: + }
817: +#endif
818: + return -1;
819: }
820:
821: int do_mknod(const char *pathname, mode_t mode, dev_t dev)
822: @@ -189,7 +227,7 @@ int do_mknod(const char *pathname, mode_t mode, dev_t dev)
823: return -1;
824: close(sock);
825: #ifdef HAVE_CHMOD
826: - return do_chmod(pathname, mode);
827: + return do_chmod(pathname, mode, 0);
828: #else
829: return 0;
830: #endif
831: @@ -206,7 +244,22 @@ int do_rmdir(const char *pathname)
832: {
833: if (dry_run) return 0;
834: RETURN_ERROR_IF_RO_OR_LO;
835: - return rmdir(pathname);
836: + if (rmdir(pathname) == 0)
837: + return 0;
838: +#ifdef SUPPORT_FORCE_CHANGE
839: + if (force_change && errno == EPERM) {
840: + STRUCT_STAT st;
841: +
842: + if (x_lstat(pathname, &st, NULL) == 0
843: + && make_mutable(pathname, st.st_mode, st.st_flags, force_change) > 0) {
844: + if (rmdir(pathname) == 0)
845: + return 0;
846: + undo_make_mutable(pathname, st.st_flags);
847: + }
848: + errno = EPERM;
849: + }
850: +#endif
851: + return -1;
852: }
853:
854: int do_open(const char *pathname, int flags, mode_t mode)
855: @@ -225,7 +278,7 @@ int do_open(const char *pathname, int flags, mode_t mode)
856: }
857:
858: #ifdef HAVE_CHMOD
859: -int do_chmod(const char *path, mode_t mode)
860: +int do_chmod(const char *path, mode_t mode, UNUSED(uint32 fileflags))
861: {
862: int code;
863: if (dry_run) return 0;
864: @@ -248,17 +301,72 @@ int do_chmod(const char *path, mode_t mode)
865: } else
866: code = chmod(path, mode & CHMOD_BITS); /* DISCOURAGED FUNCTION */
867: #endif /* !HAVE_LCHMOD */
868: +#ifdef SUPPORT_FORCE_CHANGE
869: + if (code < 0 && force_change && errno == EPERM && !S_ISLNK(mode)) {
870: + if (fileflags == NO_FFLAGS) {
871: + STRUCT_STAT st;
872: + if (x_lstat(path, &st, NULL) == 0)
873: + fileflags = st.st_flags;
874: + }
875: + if (fileflags != NO_FFLAGS
876: + && make_mutable(path, mode, fileflags, force_change) > 0) {
877: + code = chmod(path, mode & CHMOD_BITS);
878: + undo_make_mutable(path, fileflags);
879: + if (code == 0)
880: + return 0;
881: + }
882: + errno = EPERM;
883: + }
884: +#endif
885: if (code != 0 && (preserve_perms || preserve_executability))
886: return code;
887: return 0;
888: }
889: #endif
890:
891: +#ifdef HAVE_CHFLAGS
892: +int do_chflags(const char *path, uint32 fileflags)
893: +{
894: + if (dry_run) return 0;
895: + RETURN_ERROR_IF_RO_OR_LO;
896: + return chflags(path, fileflags);
897: +}
898: +#endif
899: +
900: int do_rename(const char *old_path, const char *new_path)
901: {
902: if (dry_run) return 0;
903: RETURN_ERROR_IF_RO_OR_LO;
904: - return rename(old_path, new_path);
905: + if (rename(old_path, new_path) == 0)
906: + return 0;
907: +#ifdef SUPPORT_FORCE_CHANGE
908: + if (force_change && errno == EPERM) {
909: + STRUCT_STAT st1, st2;
910: + int became_mutable;
911: +
912: + if (x_lstat(old_path, &st1, NULL) != 0)
913: + goto failed;
914: + became_mutable = make_mutable(old_path, st1.st_mode, st1.st_flags, force_change) > 0;
915: + if (became_mutable && rename(old_path, new_path) == 0)
916: + goto success;
917: + if (x_lstat(new_path, &st2, NULL) == 0
918: + && make_mutable(new_path, st2.st_mode, st2.st_flags, force_change) > 0) {
919: + if (rename(old_path, new_path) == 0) {
920: + success:
921: + if (became_mutable) /* Yes, use new_path and st1! */
922: + undo_make_mutable(new_path, st1.st_flags);
923: + return 0;
924: + }
925: + undo_make_mutable(new_path, st2.st_flags);
926: + }
927: + /* TODO: handle immutable directories */
928: + if (became_mutable)
929: + undo_make_mutable(old_path, st1.st_flags);
930: + failed:
931: + errno = EPERM;
932: + }
933: +#endif
934: + return -1;
935: }
936:
937: #ifdef HAVE_FTRUNCATE
938: diff --git a/t_stub.c b/t_stub.c
939: --- a/t_stub.c
940: +++ b/t_stub.c
941: @@ -28,6 +28,8 @@ int protect_args = 0;
942: int module_id = -1;
943: int relative_paths = 0;
944: int module_dirlen = 0;
945: +int force_change = 0;
946: +int preserve_acls = 0;
947: int preserve_times = 0;
948: int preserve_xattrs = 0;
949: int preserve_perms = 0;
950: @@ -110,3 +112,23 @@ filter_rule_list daemon_filter_list;
951: {
952: return cst ? 0 : 0;
953: }
954: +
955: +#if defined SUPPORT_FILEFLAGS || defined SUPPORT_FORCE_CHANGE
956: + int make_mutable(UNUSED(const char *fname), UNUSED(mode_t mode), UNUSED(uint32 fileflags), UNUSED(uint32 iflags))
957: +{
958: + return 0;
959: +}
960: +
961: +/* Undo a prior make_mutable() call that returned a 1. */
962: + int undo_make_mutable(UNUSED(const char *fname), UNUSED(uint32 fileflags))
963: +{
964: + return 0;
965: +}
966: +#endif
967: +
968: +#ifdef SUPPORT_XATTRS
969: + int x_lstat(UNUSED(const char *fname), UNUSED(STRUCT_STAT *fst), UNUSED(STRUCT_STAT *xst))
970: +{
971: + return -1;
972: +}
973: +#endif
974: diff --git a/testsuite/rsync.fns b/testsuite/rsync.fns
975: --- a/testsuite/rsync.fns
976: +++ b/testsuite/rsync.fns
977: @@ -23,9 +23,9 @@ todir="$tmpdir/to"
978: chkdir="$tmpdir/chk"
979:
980: # For itemized output:
981: -all_plus='+++++++++'
982: -allspace=' '
983: -dots='.....' # trailing dots after changes
984: +all_plus='++++++++++'
985: +allspace=' '
986: +dots='......' # trailing dots after changes
987: tab_ch=' ' # a single tab character
988:
989: # Berkley's nice.
990: diff --git a/usage.c b/usage.c
991: --- a/usage.c
992: +++ b/usage.c
993: @@ -131,6 +131,11 @@ static void print_info_flags(enum logcode f)
994: #endif
995: "crtimes",
996:
997: +#ifndef SUPPORT_FILEFLAGS
998: + "no "
999: +#endif
1000: + "file-flags",
1001: +
1002: "*Optimizations",
1003:
1004: #ifndef HAVE_SIMD
1005: diff --git a/util.c b/util.c
1006: --- a/util.c
1007: +++ b/util.c
1008: @@ -33,6 +33,7 @@ extern int relative_paths;
1009: extern int preserve_times;
1010: extern int preserve_xattrs;
1011: extern int preallocate_files;
1012: +extern int force_change;
1013: extern char *module_dir;
1014: extern unsigned int module_dirlen;
1015: extern char *partial_dir;
1016: @@ -115,6 +116,33 @@ void print_child_argv(const char *prefix, char **cmd)
1017: rprintf(FCLIENT, " (%d args)\n", cnt);
1018: }
1019:
1020: +#ifdef SUPPORT_FORCE_CHANGE
1021: +static int try_a_force_change(const char *fname, STRUCT_STAT *stp)
1022: +{
1023: + uint32 fileflags = ST_FLAGS(*stp);
1024: + if (fileflags == NO_FFLAGS) {
1025: + STRUCT_STAT st;
1026: + if (x_lstat(fname, &st, NULL) == 0)
1027: + fileflags = st.st_flags;
1028: + }
1029: + if (fileflags != NO_FFLAGS && make_mutable(fname, stp->st_mode, fileflags, force_change) > 0) {
1030: + int ret, save_force_change = force_change;
1031: +
1032: + force_change = 0; /* Make certain we can't come back here. */
1033: + ret = set_times(fname, stp);
1034: + force_change = save_force_change;
1035: +
1036: + undo_make_mutable(fname, fileflags);
1037: +
1038: + return ret;
1039: + }
1040: +
1041: + errno = EPERM;
1042: +
1043: + return -1;
1044: +}
1045: +#endif
1046: +
1047: /* This returns 0 for success, 1 for a symlink if symlink time-setting
1048: * is not possible, or -1 for any other error. */
1049: int set_times(const char *fname, STRUCT_STAT *stp)
1050: @@ -142,6 +170,10 @@ int set_times(const char *fname, STRUCT_STAT *stp)
1051: #include "case_N.h"
1052: if (do_utimensat(fname, stp) == 0)
1053: break;
1054: +#ifdef SUPPORT_FORCE_CHANGE
1055: + if (force_change && errno == EPERM && try_a_force_change(fname, stp) == 0)
1056: + break;
1057: +#endif
1058: if (errno != ENOSYS)
1059: return -1;
1060: switch_step++;
1061: @@ -151,6 +183,10 @@ int set_times(const char *fname, STRUCT_STAT *stp)
1062: #include "case_N.h"
1063: if (do_lutimes(fname, stp) == 0)
1064: break;
1065: +#ifdef SUPPORT_FORCE_CHANGE
1066: + if (force_change && errno == EPERM && try_a_force_change(fname, stp) == 0)
1067: + break;
1068: +#endif
1069: if (errno != ENOSYS)
1070: return -1;
1071: switch_step++;
1072: @@ -172,6 +208,10 @@ int set_times(const char *fname, STRUCT_STAT *stp)
1073: if (do_utime(fname, stp) == 0)
1074: break;
1075: #endif
1076: +#ifdef SUPPORT_FORCE_CHANGE
1077: + if (force_change && errno == EPERM && try_a_force_change(fname, stp) == 0)
1078: + break;
1079: +#endif
1080:
1081: return -1;
1082: }
1083: diff --git a/xattrs.c b/xattrs.c
1084: --- a/xattrs.c
1085: +++ b/xattrs.c
1086: @@ -1202,7 +1202,7 @@ int set_stat_xattr(const char *fname, struct file_struct *file, mode_t new_mode)
1087: mode = (fst.st_mode & _S_IFMT) | (fmode & ACCESSPERMS)
1088: | (S_ISDIR(fst.st_mode) ? 0700 : 0600);
1089: if (fst.st_mode != mode)
1090: - do_chmod(fname, mode);
1091: + do_chmod(fname, mode, ST_FLAGS(fst));
1092: if (!IS_DEVICE(fst.st_mode))
1093: fst.st_rdev = 0; /* just in case */
1094:
1095: diff -Nurp a/rsync.1 b/rsync.1
1096: --- a/rsync.1
1097: +++ b/rsync.1
1098: @@ -437,6 +437,7 @@ detailed description below for a complet
1099: --keep-dirlinks, -K treat symlinked dir on receiver as dir
1100: --hard-links, -H preserve hard links
1101: --perms, -p preserve permissions
1102: +--fileflags preserve file-flags (aka chflags)
1103: --executability, -E preserve executability
1104: --chmod=CHMOD affect file and/or directory permissions
1105: --acls, -A preserve ACLs (implies --perms)
1106: @@ -477,7 +478,10 @@ detailed description below for a complet
1107: --ignore-missing-args ignore missing source args without error
1108: --delete-missing-args delete missing source args from destination
1109: --ignore-errors delete even if there are I/O errors
1110: ---force force deletion of dirs even if not empty
1111: +--force-delete force deletion of directories even if not empty
1112: +--force-change affect user-/system-immutable files/dirs
1113: +--force-uchange affect user-immutable files/dirs
1114: +--force-schange affect system-immutable files/dirs
1115: --max-delete=NUM don't delete more than NUM files
1116: --max-size=SIZE don't transfer any file larger than SIZE
1117: --min-size=SIZE don't transfer any file smaller than SIZE
1118: @@ -783,6 +787,8 @@ omission). The only exception to the ab
1119: .IP
1120: Note that \fB\-a\fP \fBdoes not preserve hardlinks\fP, because finding
1121: multiply-linked files is expensive. You must separately specify \fB\-H\fP.
1122: +Note also that for backward compatibility, \fB\-a\fP currently does \fBnot\fP
1123: +imply the \fB\-\-fileflags\fP option.
1124: .IP "\fB\-\-no-OPTION\fP"
1125: You may turn off one or more implied options by prefixing the option name
1126: with "no-". Not all options may be prefixed with a "no-": only options that
1127: @@ -1139,7 +1145,7 @@ to non-directories to be affected, as th
1128: Without this option, if the sending side has replaced a directory with a
1129: symlink to a directory, the receiving side will delete anything that is in
1130: the way of the new symlink, including a directory hierarchy (as long as
1131: -\fB\-\-force\fP or \fB\-\-delete\fP is in effect).
1132: +\fB\-\-force-delete\fP or \fB\-\-delete\fP is in effect).
1133: .IP
1134: See also \fB\-\-keep-dirlinks\fP for an analogous option for the receiving side.
1135: .IP
1136: @@ -1348,6 +1354,25 @@ receiver-only rule that excludes all nam
1137: Note that the \fB\-X\fP option does not copy rsync's special xattr values (e.g.
1138: those used by \fB\-\-fake-super\fP) unless you repeat the option (e.g. \fB\-XX\fP).
1139: This "copy all xattrs" mode cannot be used with \fB\-\-fake-super\fP.
1140: +.IP "\fB\-\-fileflags\fP This option causes rsync to update the file-flags to be the
1141: +same as the source files and directories (if your OS supports the
1142: +\fBchflags\fP(2) system call). Some flags can only be altered by the
1143: +super-user and some might only be unset below a certain secure-level
1144: +(usually single-user mode). It will not make files alterable that are set
1145: +to immutable on the receiver. To do that, see \fB\-\-force-change\fP,
1146: +\fB\-\-force-uchange\fP, and \fB\-\-force-schange\fP."
1147: +.IP "\fB\-\-force-change\fP This option causes rsync to disable both user-immutable
1148: +and system-immutable flags on files and directories that are being updated
1149: +or deleted on the receiving side. This option overrides \fB\-\-force-uchange\fP
1150: +and \fB\-\-force-schange\fP."
1151: +.IP "\fB\-\-force-uchange\fP This option causes rsync to disable user-immutable flags
1152: +on files and directories that are being updated or deleted on the receiving
1153: +side. It does not try to affect system flags. This option overrides
1154: +\fB\-\-force-change\fP and \fB\-\-force-schange\fP."
1155: +.IP "\fB\-\-force-schange\fP This option causes rsync to disable system-immutable
1156: +flags on files and directories that are being updated or deleted on the
1157: +receiving side. It does not try to affect user flags. This option
1158: +overrides \fB\-\-force-change\fP and \fB\-\-force-uchange\fP."
1159: .IP "\fB\-\-chmod=CHMOD\fP"
1160: This option tells rsync to apply one or more comma-separated "chmod" modes
1161: to the permission of the files in the transfer. The resulting value is
1162: @@ -1773,7 +1798,7 @@ This option takes the behavior of (the i
1163: option a step farther: each missing arg will become a deletion request of
1164: the corresponding destination file on the receiving side (should it exist).
1165: If the destination file is a non-empty directory, it will only be
1166: -successfully deleted if \fB\-\-force\fP or \fB\-\-delete\fP are in effect. Other than
1167: +successfully deleted if \fB\-\-force-delete\fP or \fB\-\-delete\fP are in effect. Other than
1168: that, this option is independent of any other type of delete processing.
1169: .IP
1170: The missing source files are represented by special file-list entries which
1171: @@ -1781,14 +1806,15 @@ display as a "\fB*missing\fP" entry in t
1172: .IP "\fB\-\-ignore-errors\fP"
1173: Tells \fB\-\-delete\fP to go ahead and delete files even when there are I/O
1174: errors.
1175: -.IP "\fB\-\-force\fP"
1176: +.IP "\fB\-\-force-delete\fP"
1177: This option tells rsync to delete a non-empty directory when it is to be
1178: replaced by a non-directory. This is only relevant if deletions are not
1179: active (see \fB\-\-delete\fP for details).
1180: .IP
1181: -Note for older rsync versions: \fB\-\-force\fP used to still be required when
1182: -using \fB\-\-delete-after\fP, and it used to be non-functional unless the
1183: -\fB\-\-recursive\fP option was also enabled.
1184: +This option can be abbreviated \fB\-\-force\fP for backward compatibility. Note
1185: +that some older rsync versions used to still require \fB\-\-force\fP when using
1186: +\fB\-\-delete-after\fP, and it used to be non-functional unless the \fB\-\-recursive\fP
1187: +option was also enabled.
1188: .IP "\fB\-\-max-delete=NUM\fP"
1189: This tells rsync not to delete more than NUM files or directories. If that
1190: limit is exceeded, all further deletions are skipped through the end of the
1191: @@ -2735,7 +2761,7 @@ also be output, but only if the receivin
1192: output of other verbose messages).
1193: .IP
1194: The "%i" escape has a cryptic output that is 11 letters long. The general
1195: -format is like the string \fBYXcstpoguax\fP, where \fBY\fP is replaced by the type
1196: +format is like the string \fBYXcstpoguaxf\fP, where \fBY\fP is replaced by the type
1197: of update being done, \fBX\fP is replaced by the file-type, and the other
1198: letters represent attributes that may be output if they are being modified.
1199: .IP
1200: diff -Nurp a/rsync.1.html b/rsync.1.html
1201: --- a/rsync.1.html
1202: +++ b/rsync.1.html
1203: @@ -352,6 +352,7 @@ detailed description below for a complet
1204: --keep-dirlinks, -K treat symlinked dir on receiver as dir
1205: --hard-links, -H preserve hard links
1206: --perms, -p preserve permissions
1207: +--fileflags preserve file-flags (aka chflags)
1208: --executability, -E preserve executability
1209: --chmod=CHMOD affect file and/or directory permissions
1210: --acls, -A preserve ACLs (implies --perms)
1211: @@ -392,7 +393,10 @@ detailed description below for a complet
1212: --ignore-missing-args ignore missing source args without error
1213: --delete-missing-args delete missing source args from destination
1214: --ignore-errors delete even if there are I/O errors
1215: ---force force deletion of dirs even if not empty
1216: +--force-delete force deletion of directories even if not empty
1217: +--force-change affect user-/system-immutable files/dirs
1218: +--force-uchange affect user-immutable files/dirs
1219: +--force-schange affect system-immutable files/dirs
1220: --max-delete=NUM don't delete more than NUM files
1221: --max-size=SIZE don't transfer any file larger than SIZE
1222: --min-size=SIZE don't transfer any file smaller than SIZE
1223: @@ -697,7 +701,9 @@ recursion and want to preserve almost ev
1224: omission). The only exception to the above equivalence is when
1225: <code>--files-from</code> is specified, in which case <code>-r</code> is not implied.</p>
1226: <p>Note that <code>-a</code> <strong>does not preserve hardlinks</strong>, because finding
1227: -multiply-linked files is expensive. You must separately specify <code>-H</code>.</p>
1228: +multiply-linked files is expensive. You must separately specify <code>-H</code>.
1229: +Note also that for backward compatibility, <code>-a</code> currently does <strong>not</strong>
1230: +imply the <code>--fileflags</code> option.</p>
1231: </dd>
1232:
1233: <dt><code>--no-OPTION</code></dt><dd>
1234: @@ -1039,7 +1045,7 @@ to non-directories to be affected, as th
1235: <p>Without this option, if the sending side has replaced a directory with a
1236: symlink to a directory, the receiving side will delete anything that is in
1237: the way of the new symlink, including a directory hierarchy (as long as
1238: -<code>--force</code> or <code>--delete</code> is in effect).</p>
1239: +<code>--force-delete</code> or <code>--delete</code> is in effect).</p>
1240: <p>See also <code>--keep-dirlinks</code> for an analogous option for the receiving side.</p>
1241: <p><code>--copy-dirlinks</code> applies to all symlinks to directories in the source. If
1242: you want to follow only a few specified symlinks, a trick you can use is to
1243: @@ -1219,6 +1225,33 @@ those used by <code>--fake-super</code>)
1244: This "copy all xattrs" mode cannot be used with <code>--fake-super</code>.</p>
1245: </dd>
1246:
1247: +<dt><code>--fileflags</code> This option causes rsync to update the file-flags to be the
1248: +same as the source files and directories (if your OS supports the
1249: +<strong>chflags</strong>(2) system call). Some flags can only be altered by the
1250: +super-user and some might only be unset below a certain secure-level
1251: +(usually single-user mode). It will not make files alterable that are set
1252: +to immutable on the receiver. To do that, see <code>--force-change</code>,
1253: +<code>--force-uchange</code>, and <code>--force-schange</code>.</dt><dd>
1254: +</dd>
1255: +
1256: +<dt><code>--force-change</code> This option causes rsync to disable both user-immutable
1257: +and system-immutable flags on files and directories that are being updated
1258: +or deleted on the receiving side. This option overrides <code>--force-uchange</code>
1259: +and <code>--force-schange</code>.</dt><dd>
1260: +</dd>
1261: +
1262: +<dt><code>--force-uchange</code> This option causes rsync to disable user-immutable flags
1263: +on files and directories that are being updated or deleted on the receiving
1264: +side. It does not try to affect system flags. This option overrides
1265: +<code>--force-change</code> and <code>--force-schange</code>.</dt><dd>
1266: +</dd>
1267: +
1268: +<dt><code>--force-schange</code> This option causes rsync to disable system-immutable
1269: +flags on files and directories that are being updated or deleted on the
1270: +receiving side. It does not try to affect user flags. This option
1271: +overrides <code>--force-change</code> and <code>--force-uchange</code>.</dt><dd>
1272: +</dd>
1273: +
1274: <dt><code>--chmod=CHMOD</code></dt><dd>
1275: <p>This option tells rsync to apply one or more comma-separated "chmod" modes
1276: to the permission of the files in the transfer. The resulting value is
1277: @@ -1652,7 +1685,7 @@ is no longer there.</p>
1278: option a step farther: each missing arg will become a deletion request of
1279: the corresponding destination file on the receiving side (should it exist).
1280: If the destination file is a non-empty directory, it will only be
1281: -successfully deleted if <code>--force</code> or <code>--delete</code> are in effect. Other than
1282: +successfully deleted if <code>--force-delete</code> or <code>--delete</code> are in effect. Other than
1283: that, this option is independent of any other type of delete processing.</p>
1284: <p>The missing source files are represented by special file-list entries which
1285: display as a "<code>*missing</code>" entry in the <code>--list-only</code> output.</p>
1286: @@ -1663,13 +1696,14 @@ display as a "<code>*missing</code>
1287: errors.</p>
1288: </dd>
1289:
1290: -<dt><code>--force</code></dt><dd>
1291: +<dt><code>--force-delete</code></dt><dd>
1292: <p>This option tells rsync to delete a non-empty directory when it is to be
1293: replaced by a non-directory. This is only relevant if deletions are not
1294: active (see <code>--delete</code> for details).</p>
1295: -<p>Note for older rsync versions: <code>--force</code> used to still be required when
1296: -using <code>--delete-after</code>, and it used to be non-functional unless the
1297: -<code>--recursive</code> option was also enabled.</p>
1298: +<p>This option can be abbreviated <code>--force</code> for backward compatibility. Note
1299: +that some older rsync versions used to still require <code>--force</code> when using
1300: +<code>--delete-after</code>, and it used to be non-functional unless the <code>--recursive</code>
1301: +option was also enabled.</p>
1302: </dd>
1303:
1304: <dt><code>--max-delete=NUM</code></dt><dd>
1305: @@ -2552,7 +2586,7 @@ also be output, but only if the receivin
1306: (you can use <code>-vv</code> with older versions of rsync, but that also turns on the
1307: output of other verbose messages).</p>
1308: <p>The "%i" escape has a cryptic output that is 11 letters long. The general
1309: -format is like the string <code>YXcstpoguax</code>, where <strong>Y</strong> is replaced by the type
1310: +format is like the string <code>YXcstpoguaxf</code>, where <strong>Y</strong> is replaced by the type
1311: of update being done, <strong>X</strong> is replaced by the file-type, and the other
1312: letters represent attributes that may be output if they are being modified.</p>
1313: <p>The update types that replace the <strong>Y</strong> are as follows:</p>
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