./configure (optional if already run)
make
---- old/compat.c
-+++ new/compat.c
-@@ -115,13 +115,6 @@ void setup_protocol(int f_out,int f_in)
- protocol_version);
- exit_cleanup(RERR_PROTOCOL);
- }
+diff --git a/compat.c b/compat.c
+--- a/compat.c
++++ b/compat.c
+@@ -190,13 +190,6 @@ void setup_protocol(int f_out,int f_in)
+ if (protocol_version < 30) {
+ if (append_mode == 1)
+ append_mode = 2;
- if (preserve_xattrs && !local_server) {
- rprintf(FERROR,
- "--xattrs requires protocol 30 or higher"
}
if (delete_mode && !(delete_before+delete_during+delete_after)) {
---- old/xattrs.c
-+++ new/xattrs.c
-@@ -20,6 +20,7 @@
- */
+diff --git a/xattrs.c b/xattrs.c
+--- a/xattrs.c
++++ b/xattrs.c
+@@ -21,6 +21,7 @@
#include "rsync.h"
+ #include "ifuncs.h"
+#include "io.h"
#include "lib/sysxattrs.h"
#ifdef SUPPORT_XATTRS
-@@ -31,6 +32,7 @@ extern int am_generator;
- extern int read_only;
+@@ -33,6 +34,7 @@ extern int read_only;
extern int list_only;
+ extern int preserve_xattrs;
extern int checksum_seed;
+extern int protocol_version;
#define RSYNC_XAL_INITIAL 5
#define RSYNC_XAL_LIST_INITIAL 100
-@@ -222,7 +224,7 @@ static int rsync_xal_get(const char *fna
+@@ -246,7 +248,7 @@ static int rsync_xal_get(const char *fname, item_list *xalp)
if (!(ptr = get_xattr_data(fname, name, &datum_len, 0)))
return -1;
/* For large datums, we store a flag and a checksum. */
name_offset = 1 + MAX_DIGEST_LEN;
sum_init(checksum_seed);
-@@ -278,7 +280,7 @@ static int find_matching_xattr(item_list
+@@ -348,7 +350,7 @@ static int find_matching_xattr(item_list *xalp)
|| rxas1[j].datum_len != rxas2[j].datum_len
|| strcmp(rxas1[j].name, rxas2[j].name))
break;
if (memcmp(rxas1[j].datum + 1,
rxas2[j].datum + 1,
MAX_DIGEST_LEN) != 0)
-@@ -315,34 +317,43 @@ int send_xattr(statx *sxp, int f)
+@@ -385,13 +387,22 @@ int send_xattr(stat_x *sxp, int f)
{
int ndx = find_matching_xattr(sxp->xattr);
- write_varint(f, count);
+ write_varint30(f, count);
for (rxa = sxp->xattr->items; count--; rxa++) {
- #ifdef HAVE_LINUX_XATTRS
-- write_varint(f, rxa->name_len);
+ size_t name_len = rxa->name_len;
+ const char *name = rxa->name;
+@@ -410,8 +421,8 @@ int send_xattr(stat_x *sxp, int f)
+ name_len += UPRE_LEN;
+ }
+ #endif
+- write_varint(f, name_len);
- write_varint(f, rxa->datum_len);
-+ write_varint30(f, rxa->name_len);
++ write_varint30(f, name_len);
+ write_varint30(f, rxa->datum_len);
- write_buf(f, rxa->name, rxa->name_len);
- #else
- /* We strip the rsync prefix from disguised namespaces
- * and put everything else in the user namespace. */
- if (HAS_PREFIX(rxa->name, RSYNC_PREFIX)
- && rxa->name[RPRE_LEN] != '%') {
-- write_varint(f, rxa->name_len - RPRE_LEN);
-- write_varint(f, rxa->datum_len);
-+ write_varint30(f, rxa->name_len - RPRE_LEN);
-+ write_varint30(f, rxa->datum_len);
- write_buf(f, rxa->name + RPRE_LEN, rxa->name_len - RPRE_LEN);
- } else {
-- write_varint(f, rxa->name_len + UPRE_LEN);
-- write_varint(f, rxa->datum_len);
-+ write_varint30(f, rxa->name_len + UPRE_LEN);
-+ write_varint30(f, rxa->datum_len);
+ #ifndef HAVE_LINUX_XATTRS
+ if (name_len > rxa->name_len) {
write_buf(f, USER_PREFIX, UPRE_LEN);
- write_buf(f, rxa->name, rxa->name_len);
+@@ -419,7 +430,7 @@ int send_xattr(stat_x *sxp, int f)
}
#endif
+ write_buf(f, name, name_len);
- if (rxa->datum_len > MAX_FULL_DATUM)
+ if (rxa->datum_len > MAX_FULL_DATUM && protocol_version >= 30)
write_buf(f, rxa->datum + 1, MAX_DIGEST_LEN);
else
write_buf(f, rxa->datum, rxa->datum_len);
-@@ -392,7 +403,7 @@ int xattr_diff(struct file_struct *file,
+@@ -469,7 +480,7 @@ int xattr_diff(struct file_struct *file, stat_x *sxp, int find_all)
cmp = rec_cnt ? strcmp(snd_rxa->name, rec_rxa->name) : -1;
if (cmp > 0)
same = 0;
same = cmp == 0 && snd_rxa->datum_len == rec_rxa->datum_len
&& memcmp(snd_rxa->datum + 1, rec_rxa->datum + 1,
MAX_DIGEST_LEN) == 0;
-@@ -435,6 +446,9 @@ void send_xattr_request(const char *fnam
- int j, cnt, prior_req = -1;
+@@ -514,6 +525,9 @@ void send_xattr_request(const char *fname, struct file_struct *file, int f_out)
+ int cnt, prior_req = 0;
rsync_xa *rxa;
+ if (protocol_version < 30)
+ return;
+
lst += F_XATTR(file);
- cnt = lst->count;
- for (rxa = lst->items, j = 0; j < cnt; rxa++, j++) {
-@@ -506,6 +520,9 @@ void recv_xattr_request(struct file_stru
+ for (rxa = lst->items, cnt = lst->count; cnt--; rxa++) {
+ if (rxa->datum_len <= MAX_FULL_DATUM)
+@@ -570,6 +584,9 @@ int recv_xattr_request(struct file_struct *file, int f_in)
rsync_xa *rxa;
- int rel_pos, cnt;
+ int rel_pos, cnt, num, got_xattr_data = 0;
+ if (protocol_version < 30)
-+ return;
++ return 0;
+
if (F_XATTR(file) < 0) {
rprintf(FERROR, "recv_xattr_request: internal data error!\n");
exit_cleanup(RERR_STREAMIO);
-@@ -552,7 +569,22 @@ void receive_xattr(struct file_struct *f
- {
- static item_list temp_xattr = EMPTY_ITEM_LIST;
- int count;
+@@ -632,7 +649,22 @@ void receive_xattr(struct file_struct *file, int f)
+ #else
+ int need_sort = 1;
+ #endif
- int ndx = read_varint(f);
+ int ndx;
+
if (ndx < 0 || (size_t)ndx > rsync_xal_l.count) {
rprintf(FERROR, "receive_xattr: xa index %d out of"
-@@ -565,7 +597,7 @@ void receive_xattr(struct file_struct *f
+@@ -645,7 +677,7 @@ void receive_xattr(struct file_struct *file, int f)
return;
}
(void)EXPAND_ITEM_LIST(&temp_xattr, rsync_xa, count);
temp_xattr.count = 0;
}
-@@ -573,9 +605,10 @@ void receive_xattr(struct file_struct *f
- while (count--) {
+@@ -653,9 +685,10 @@ void receive_xattr(struct file_struct *file, int f)
+ for (num = 1; num <= count; num++) {
char *ptr, *name;
rsync_xa *rxa;
- size_t name_len = read_varint(f);
+ size_t datum_len = read_varint30(f);
+ size_t dget_len = datum_len > MAX_FULL_DATUM && protocol_version >= 30
+ ? 1 + MAX_DIGEST_LEN : datum_len;
- #ifdef HAVE_LINUX_XATTRS
- size_t extra_len = 0;
- #else
+ size_t extra_len = MIGHT_NEED_RPRE ? RPRE_LEN : 0;
+ if ((dget_len + extra_len < dget_len)
+ || (dget_len + extra_len + name_len < dget_len))
git.samba.org / rsync-patches.git / blobdiff