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version 1.1.1.1, 2012/02/17 15:09:30
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version 1.1.1.4, 2021/03/17 00:32:36
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| * Copyright (C) 1996 Andrew Tridgell |
* Copyright (C) 1996 Andrew Tridgell |
| * Copyright (C) 1996 Paul Mackerras |
* Copyright (C) 1996 Paul Mackerras |
| * Copyright (C) 2002 Martin Pool <mbp@samba.org> |
* Copyright (C) 2002 Martin Pool <mbp@samba.org> |
| * Copyright (C) 2004-2009 Wayne Davison | * Copyright (C) 2004-2020 Wayne Davison |
| * |
* |
| * This program is free software; you can redistribute it and/or modify |
* This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
* it under the terms of the GNU General Public License as published by |
|
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| */ |
*/ |
| |
|
| #include "rsync.h" |
#include "rsync.h" |
| |
#include "inums.h" |
| |
#include "ifuncs.h" |
| |
|
| extern int verbose; |
|
| extern int dry_run; |
extern int dry_run; |
| extern int list_only; |
extern int list_only; |
| extern int am_sender; |
extern int am_sender; |
| extern int inc_recurse; |
extern int inc_recurse; |
| extern int do_xfers; |
extern int do_xfers; |
| extern int link_dest; | extern int alt_dest_type; |
| extern int preserve_acls; |
extern int preserve_acls; |
| extern int preserve_xattrs; |
extern int preserve_xattrs; |
| extern int make_backups; |
|
| extern int protocol_version; |
extern int protocol_version; |
| extern int remove_source_files; |
extern int remove_source_files; |
| extern int stdout_format_has_i; |
extern int stdout_format_has_i; |
|
Line 48 extern struct file_list *cur_flist;
|
Line 48 extern struct file_list *cur_flist;
|
| * we can avoid the pool of dev+inode data. For incremental recursion mode, |
* we can avoid the pool of dev+inode data. For incremental recursion mode, |
| * the receiver will use a ndx hash to remember old pathnames. */ |
* the receiver will use a ndx hash to remember old pathnames. */ |
| |
|
| |
static void *data_when_new = ""; |
| |
|
| static struct hashtable *dev_tbl; |
static struct hashtable *dev_tbl; |
| |
|
| static struct hashtable *prior_hlinks; |
static struct hashtable *prior_hlinks; |
|
Line 57 static struct file_list *hlink_flist;
|
Line 59 static struct file_list *hlink_flist;
|
| void init_hard_links(void) |
void init_hard_links(void) |
| { |
{ |
| if (am_sender || protocol_version < 30) |
if (am_sender || protocol_version < 30) |
| dev_tbl = hashtable_create(16, 1); | dev_tbl = hashtable_create(16, HT_KEY64); |
| else if (inc_recurse) |
else if (inc_recurse) |
| prior_hlinks = hashtable_create(1024, 0); | prior_hlinks = hashtable_create(1024, HT_KEY32); |
| } |
} |
| |
|
| struct ht_int64_node *idev_find(int64 dev, int64 ino) |
struct ht_int64_node *idev_find(int64 dev, int64 ino) |
| { |
{ |
| static struct ht_int64_node *dev_node = NULL; |
static struct ht_int64_node *dev_node = NULL; |
| struct hashtable *tbl; |
|
| |
|
| /* Note that some OSes have a dev == 0, so increment to avoid storing a 0. */ |
/* Note that some OSes have a dev == 0, so increment to avoid storing a 0. */ |
| if (!dev_node || dev_node->key != dev+1) { |
if (!dev_node || dev_node->key != dev+1) { |
| /* We keep a separate hash table of inodes for every device. */ |
/* We keep a separate hash table of inodes for every device. */ |
| dev_node = hashtable_find(dev_tbl, dev+1, 1); | dev_node = hashtable_find(dev_tbl, dev+1, data_when_new); |
| if (!(tbl = dev_node->data)) | if (dev_node->data == data_when_new) { |
| tbl = dev_node->data = hashtable_create(512, 1); | dev_node->data = hashtable_create(512, HT_KEY64); |
| } else | if (DEBUG_GTE(HLINK, 3)) { |
| tbl = dev_node->data; | rprintf(FINFO, "[%s] created hashtable for dev %s\n", |
| | who_am_i(), big_num(dev)); |
| | } |
| | } |
| | } |
| |
|
| return hashtable_find(tbl, ino, 1); | return hashtable_find(dev_node->data, ino, (void*)-1L); |
| } |
} |
| |
|
| void idev_destroy(void) |
void idev_destroy(void) |
|
Line 112 static void match_gnums(int32 *ndx_list, int ndx_count
|
Line 117 static void match_gnums(int32 *ndx_list, int ndx_count
|
| struct ht_int32_node *node = NULL; |
struct ht_int32_node *node = NULL; |
| int32 gnum, gnum_next; |
int32 gnum, gnum_next; |
| |
|
| qsort(ndx_list, ndx_count, sizeof ndx_list[0], | qsort(ndx_list, ndx_count, sizeof ndx_list[0], (int (*)()) hlink_compare_gnum); |
| (int (*)()) hlink_compare_gnum); | |
| |
|
| for (from = 0; from < ndx_count; from++) { |
for (from = 0; from < ndx_count; from++) { |
| file = hlink_flist->sorted[ndx_list[from]]; |
file = hlink_flist->sorted[ndx_list[from]]; |
| gnum = F_HL_GNUM(file); |
gnum = F_HL_GNUM(file); |
| if (inc_recurse) { |
if (inc_recurse) { |
| node = hashtable_find(prior_hlinks, gnum, 1); | node = hashtable_find(prior_hlinks, gnum, data_when_new); |
| if (!node->data) { | if (node->data == data_when_new) { |
| if (!(node->data = new_array0(char, 5))) | node->data = new_array0(char, 5); |
| out_of_memory("match_gnums"); | |
| assert(gnum >= hlink_flist->ndx_start); |
assert(gnum >= hlink_flist->ndx_start); |
| file->flags |= FLAG_HLINK_FIRST; |
file->flags |= FLAG_HLINK_FIRST; |
| prev = -1; |
prev = -1; |
|
Line 186 void match_hard_links(struct file_list *flist)
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Line 189 void match_hard_links(struct file_list *flist)
|
| int i, ndx_count = 0; |
int i, ndx_count = 0; |
| int32 *ndx_list; |
int32 *ndx_list; |
| |
|
| if (!(ndx_list = new_array(int32, flist->used))) | ndx_list = new_array(int32, flist->used); |
| out_of_memory("match_hard_links"); | |
| |
|
| for (i = 0; i < flist->used; i++) { |
for (i = 0; i < flist->used; i++) { |
| if (F_IS_HLINKED(flist->sorted[i])) |
if (F_IS_HLINKED(flist->sorted[i])) |
|
Line 206 void match_hard_links(struct file_list *flist)
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Line 208 void match_hard_links(struct file_list *flist)
|
| } |
} |
| |
|
| static int maybe_hard_link(struct file_struct *file, int ndx, |
static int maybe_hard_link(struct file_struct *file, int ndx, |
| const char *fname, int statret, stat_x *sxp, | char *fname, int statret, stat_x *sxp, |
| const char *oldname, STRUCT_STAT *old_stp, |
const char *oldname, STRUCT_STAT *old_stp, |
| const char *realname, int itemizing, enum logcode code) |
const char *realname, int itemizing, enum logcode code) |
| { |
{ |
|
Line 218 static int maybe_hard_link(struct file_struct *file, i
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Line 220 static int maybe_hard_link(struct file_struct *file, i
|
| ITEM_LOCAL_CHANGE | ITEM_XNAME_FOLLOWS, |
ITEM_LOCAL_CHANGE | ITEM_XNAME_FOLLOWS, |
| 0, ""); |
0, ""); |
| } |
} |
| if (verbose > 1 && maybe_ATTRS_REPORT) | if (INFO_GTE(NAME, 2) && maybe_ATTRS_REPORT) |
| rprintf(FCLIENT, "%s is uptodate\n", fname); |
rprintf(FCLIENT, "%s is uptodate\n", fname); |
| file->flags |= FLAG_HLINK_DONE; |
file->flags |= FLAG_HLINK_DONE; |
| return 0; |
return 0; |
| } |
} |
| if (make_backups > 0) { |
|
| if (!make_backup(fname)) |
|
| return -1; |
|
| } else if (robust_unlink(fname)) { |
|
| rsyserr(FERROR_XFER, errno, "unlink %s failed", |
|
| full_fname(fname)); |
|
| return -1; |
|
| } |
|
| } |
} |
| |
|
| if (hard_link_one(file, fname, oldname, 0)) { | if (atomic_create(file, fname, NULL, oldname, MAKEDEV(0, 0), sxp, statret == 0 ? DEL_FOR_FILE : 0)) { |
| if (itemizing) { |
if (itemizing) { |
| itemize(fname, file, ndx, statret, sxp, |
itemize(fname, file, ndx, statret, sxp, |
| ITEM_LOCAL_CHANGE | ITEM_XNAME_FOLLOWS, 0, |
ITEM_LOCAL_CHANGE | ITEM_XNAME_FOLLOWS, 0, |
| realname); |
realname); |
| } |
} |
| if (code != FNONE && verbose) | if (code != FNONE && INFO_GTE(NAME, 1)) |
| rprintf(code, "%s => %s\n", fname, realname); |
rprintf(code, "%s => %s\n", fname, realname); |
| return 0; |
return 0; |
| } |
} |
| |
|
| return -1; |
return -1; |
| } |
} |
| |
|
|
Line 270 static char *check_prior(struct file_struct *file, int
|
Line 265 static char *check_prior(struct file_struct *file, int
|
| } |
} |
| |
|
| if (inc_recurse |
if (inc_recurse |
| && (node = hashtable_find(prior_hlinks, gnum, 0)) != NULL) { | && (node = hashtable_find(prior_hlinks, gnum, NULL)) != NULL) { |
| assert(node->data != NULL); |
assert(node->data != NULL); |
| if (CVAL(node->data, 0) != 0) { |
if (CVAL(node->data, 0) != 0) { |
| *prev_ndx_p = -1; |
*prev_ndx_p = -1; |
|
Line 288 static char *check_prior(struct file_struct *file, int
|
Line 283 static char *check_prior(struct file_struct *file, int
|
| |
|
| /* Only called if FLAG_HLINKED is set and FLAG_HLINK_FIRST is not. Returns: |
/* Only called if FLAG_HLINKED is set and FLAG_HLINK_FIRST is not. Returns: |
| * 0 = process the file, 1 = skip the file, -1 = error occurred. */ |
* 0 = process the file, 1 = skip the file, -1 = error occurred. */ |
| int hard_link_check(struct file_struct *file, int ndx, const char *fname, | int hard_link_check(struct file_struct *file, int ndx, char *fname, |
| int statret, stat_x *sxp, int itemizing, |
int statret, stat_x *sxp, int itemizing, |
| enum logcode code) |
enum logcode code) |
| { |
{ |
|
Line 307 int hard_link_check(struct file_struct *file, int ndx,
|
Line 302 int hard_link_check(struct file_struct *file, int ndx,
|
| if (!flist) { |
if (!flist) { |
| /* The previous file was skipped, so this one is |
/* The previous file was skipped, so this one is |
| * treated as if it were the first in its group. */ |
* treated as if it were the first in its group. */ |
| |
if (DEBUG_GTE(HLINK, 2)) { |
| |
rprintf(FINFO, "hlink for %d (%s,%d): virtual first\n", |
| |
ndx, f_name(file, NULL), gnum); |
| |
} |
| return 0; |
return 0; |
| } |
} |
| |
|
|
Line 323 int hard_link_check(struct file_struct *file, int ndx,
|
Line 322 int hard_link_check(struct file_struct *file, int ndx,
|
| F_HL_PREV(prev_file) = ndx; |
F_HL_PREV(prev_file) = ndx; |
| file->flags |= FLAG_FILE_SENT; |
file->flags |= FLAG_FILE_SENT; |
| cur_flist->in_progress++; |
cur_flist->in_progress++; |
| |
if (DEBUG_GTE(HLINK, 2)) { |
| |
rprintf(FINFO, "hlink for %d (%s,%d): waiting for %d\n", |
| |
ndx, f_name(file, NULL), gnum, F_HL_PREV(file)); |
| |
} |
| return 1; |
return 1; |
| } |
} |
| |
if (DEBUG_GTE(HLINK, 2)) { |
| |
rprintf(FINFO, "hlink for %d (%s,%d): looking for a leader\n", |
| |
ndx, f_name(file, NULL), gnum); |
| |
} |
| return 0; |
return 0; |
| } |
} |
| |
|
|
Line 332 int hard_link_check(struct file_struct *file, int ndx,
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Line 339 int hard_link_check(struct file_struct *file, int ndx,
|
| if (!(prev_file->flags & FLAG_HLINK_FIRST)) { |
if (!(prev_file->flags & FLAG_HLINK_FIRST)) { |
| /* The previous previous is FIRST when prev is not. */ |
/* The previous previous is FIRST when prev is not. */ |
| prev_name = realname = check_prior(prev_file, gnum, &prev_ndx, &flist); |
prev_name = realname = check_prior(prev_file, gnum, &prev_ndx, &flist); |
| assert(prev_name != NULL || flist != NULL); |
|
| /* Update our previous pointer to point to the FIRST. */ |
/* Update our previous pointer to point to the FIRST. */ |
| F_HL_PREV(file) = prev_ndx; |
F_HL_PREV(file) = prev_ndx; |
| } |
} |
|
Line 340 int hard_link_check(struct file_struct *file, int ndx,
|
Line 346 int hard_link_check(struct file_struct *file, int ndx,
|
| if (!prev_name) { |
if (!prev_name) { |
| int alt_dest; |
int alt_dest; |
| |
|
| |
assert(flist != NULL); |
| prev_file = flist->files[prev_ndx - flist->ndx_start]; |
prev_file = flist->files[prev_ndx - flist->ndx_start]; |
| /* F_HL_PREV() is alt_dest value when DONE && FIRST. */ |
/* F_HL_PREV() is alt_dest value when DONE && FIRST. */ |
| alt_dest = F_HL_PREV(prev_file); |
alt_dest = F_HL_PREV(prev_file); |
| |
if (DEBUG_GTE(HLINK, 2)) { |
| |
rprintf(FINFO, "hlink for %d (%s,%d): found flist match (alt %d)\n", |
| |
ndx, f_name(file, NULL), gnum, alt_dest); |
| |
} |
| |
|
| if (alt_dest >= 0 && dry_run) { |
if (alt_dest >= 0 && dry_run) { |
| pathjoin(namebuf, MAXPATHLEN, basis_dir[alt_dest], |
pathjoin(namebuf, MAXPATHLEN, basis_dir[alt_dest], |
|
Line 356 int hard_link_check(struct file_struct *file, int ndx,
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Line 367 int hard_link_check(struct file_struct *file, int ndx,
|
| } |
} |
| } |
} |
| |
|
| |
if (DEBUG_GTE(HLINK, 2)) { |
| |
rprintf(FINFO, "hlink for %d (%s,%d): leader is %d (%s)\n", |
| |
ndx, f_name(file, NULL), gnum, prev_ndx, prev_name); |
| |
} |
| |
|
| if (link_stat(prev_name, &prev_st, 0) < 0) { |
if (link_stat(prev_name, &prev_st, 0) < 0) { |
| if (!dry_run || errno != ENOENT) { |
if (!dry_run || errno != ENOENT) { |
| rsyserr(FERROR_XFER, errno, "stat %s failed", full_fname(prev_name)); |
rsyserr(FERROR_XFER, errno, "stat %s failed", full_fname(prev_name)); |
|
Line 371 int hard_link_check(struct file_struct *file, int ndx,
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Line 387 int hard_link_check(struct file_struct *file, int ndx,
|
| char cmpbuf[MAXPATHLEN]; |
char cmpbuf[MAXPATHLEN]; |
| stat_x alt_sx; |
stat_x alt_sx; |
| int j = 0; |
int j = 0; |
| #ifdef SUPPORT_ACLS | init_stat_x(&alt_sx); |
| alt_sx.acc_acl = alt_sx.def_acl = NULL; | |
| #endif | |
| #ifdef SUPPORT_XATTRS | |
| alt_sx.xattr = NULL; | |
| #endif | |
| do { |
do { |
| pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); |
pathjoin(cmpbuf, MAXPATHLEN, basis_dir[j], fname); |
| if (link_stat(cmpbuf, &alt_sx.st, 0) < 0) |
if (link_stat(cmpbuf, &alt_sx.st, 0) < 0) |
| continue; |
continue; |
| if (link_dest) { | if (alt_dest_type == LINK_DEST) { |
| if (prev_st.st_dev != alt_sx.st.st_dev |
if (prev_st.st_dev != alt_sx.st.st_dev |
| || prev_st.st_ino != alt_sx.st.st_ino) |
|| prev_st.st_ino != alt_sx.st.st_ino) |
| continue; |
continue; |
| statret = 1; |
statret = 1; |
| if (stdout_format_has_i == 0 |
if (stdout_format_has_i == 0 |
| || (verbose < 2 && stdout_format_has_i < 2)) { | || (!INFO_GTE(NAME, 2) && stdout_format_has_i < 2)) { |
| itemizing = 0; |
itemizing = 0; |
| code = FNONE; |
code = FNONE; |
| if (verbose > 1 && maybe_ATTRS_REPORT) | if (INFO_GTE(NAME, 2) && maybe_ATTRS_REPORT) |
| rprintf(FCLIENT, "%s is uptodate\n", fname); |
rprintf(FCLIENT, "%s is uptodate\n", fname); |
| } |
} |
| break; |
break; |
| } |
} |
| if (!unchanged_file(cmpbuf, file, &alt_sx.st)) | if (!unchanged_file(cmpbuf, file, &alt_sx.st, j+1)) |
| continue; |
continue; |
| statret = 1; |
statret = 1; |
| if (unchanged_attrs(cmpbuf, file, &alt_sx)) |
if (unchanged_attrs(cmpbuf, file, &alt_sx)) |
|
Line 426 int hard_link_check(struct file_struct *file, int ndx,
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Line 437 int hard_link_check(struct file_struct *file, int ndx,
|
| } |
} |
| } |
} |
| #endif |
#endif |
| } else { | } else |
| #ifdef SUPPORT_ACLS | free_stat_x(&alt_sx); |
| if (preserve_acls) | |
| free_acl(&alt_sx); | |
| #endif | |
| #ifdef SUPPORT_XATTRS | |
| if (preserve_xattrs) | |
| free_xattr(&alt_sx); | |
| #endif | |
| } | |
| } |
} |
| |
|
| if (maybe_hard_link(file, ndx, fname, statret, sxp, prev_name, &prev_st, |
if (maybe_hard_link(file, ndx, fname, statret, sxp, prev_name, &prev_st, |
|
Line 454 int hard_link_one(struct file_struct *file, const char
|
Line 457 int hard_link_one(struct file_struct *file, const char
|
| if (do_link(oldname, fname) < 0) { |
if (do_link(oldname, fname) < 0) { |
| enum logcode code; |
enum logcode code; |
| if (terse) { |
if (terse) { |
| if (!verbose) | if (!INFO_GTE(NAME, 1)) |
| return 0; |
return 0; |
| code = FINFO; |
code = FINFO; |
| } else |
} else |
|
Line 481 void finish_hard_link(struct file_struct *file, const
|
Line 484 void finish_hard_link(struct file_struct *file, const
|
| int prev_statret, ndx, prev_ndx = F_HL_PREV(file); |
int prev_statret, ndx, prev_ndx = F_HL_PREV(file); |
| |
|
| if (stp == NULL && prev_ndx >= 0) { |
if (stp == NULL && prev_ndx >= 0) { |
| if (link_stat(fname, &st, 0) < 0) { | if (link_stat(fname, &st, 0) < 0 && !dry_run) { |
| rsyserr(FERROR_XFER, errno, "stat %s failed", |
rsyserr(FERROR_XFER, errno, "stat %s failed", |
| full_fname(fname)); |
full_fname(fname)); |
| return; |
return; |
|
Line 499 void finish_hard_link(struct file_struct *file, const
|
Line 502 void finish_hard_link(struct file_struct *file, const
|
| } else |
} else |
| our_name = fname; |
our_name = fname; |
| |
|
| #ifdef SUPPORT_ACLS | init_stat_x(&prev_sx); |
| prev_sx.acc_acl = prev_sx.def_acl = NULL; | |
| #endif | |
| #ifdef SUPPORT_XATTRS | |
| prev_sx.xattr = NULL; | |
| #endif | |
| |
|
| while ((ndx = prev_ndx) >= 0) { |
while ((ndx = prev_ndx) >= 0) { |
| int val; |
int val; |
|
Line 517 void finish_hard_link(struct file_struct *file, const
|
Line 515 void finish_hard_link(struct file_struct *file, const
|
| val = maybe_hard_link(file, ndx, prev_name, prev_statret, &prev_sx, |
val = maybe_hard_link(file, ndx, prev_name, prev_statret, &prev_sx, |
| our_name, stp, fname, itemizing, code); |
our_name, stp, fname, itemizing, code); |
| flist->in_progress--; |
flist->in_progress--; |
| #ifdef SUPPORT_ACLS | free_stat_x(&prev_sx); |
| if (preserve_acls) | |
| free_acl(&prev_sx); | |
| #endif | |
| #ifdef SUPPORT_XATTRS | |
| if (preserve_xattrs) | |
| free_xattr(&prev_sx); | |
| #endif | |
| if (val < 0) |
if (val < 0) |
| continue; |
continue; |
| if (remove_source_files == 1 && do_xfers) |
if (remove_source_files == 1 && do_xfers) |
|
Line 533 void finish_hard_link(struct file_struct *file, const
|
Line 524 void finish_hard_link(struct file_struct *file, const
|
| |
|
| if (inc_recurse) { |
if (inc_recurse) { |
| int gnum = F_HL_GNUM(file); |
int gnum = F_HL_GNUM(file); |
| struct ht_int32_node *node = hashtable_find(prior_hlinks, gnum, 0); | struct ht_int32_node *node = hashtable_find(prior_hlinks, gnum, NULL); |
| if (node == NULL) { |
if (node == NULL) { |
| rprintf(FERROR, "Unable to find a hlink node for %d (%s)\n", gnum, f_name(file, prev_name)); |
rprintf(FERROR, "Unable to find a hlink node for %d (%s)\n", gnum, f_name(file, prev_name)); |
| exit_cleanup(RERR_MESSAGEIO); |
exit_cleanup(RERR_MESSAGEIO); |
|
Line 548 void finish_hard_link(struct file_struct *file, const
|
Line 539 void finish_hard_link(struct file_struct *file, const
|
| exit_cleanup(RERR_MESSAGEIO); |
exit_cleanup(RERR_MESSAGEIO); |
| } |
} |
| free(node->data); |
free(node->data); |
| if (!(node->data = strdup(our_name))) | node->data = strdup(our_name); |
| out_of_memory("finish_hard_link"); | |
| } |
} |
| } |
} |
| |
|