--- 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);
- }
+@@ -163,13 +163,6 @@ 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 @@
- */
+@@ -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
+@@ -233,7 +235,7 @@ static int rsync_xal_get(const char *fna
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
+@@ -297,7 +299,7 @@ static int find_matching_xattr(item_list
|| 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)
+@@ -334,34 +336,43 @@ int send_xattr(statx *sxp, int f)
{
int ndx = find_matching_xattr(sxp->xattr);
- /* Send 0 (-1 + 1) to indicate that literal xattr data follows. */
-- write_abbrevint(f, ndx + 1);
+- write_varint(f, ndx + 1);
+ if (protocol_version < 30) {
+ if (ndx < 0)
+ write_byte(f, 'X');
+ }
+ } else {
+ /* Send 0 (-1 + 1) to indicate that literal xattr data follows. */
-+ write_abbrevint(f, ndx + 1);
++ write_varint(f, ndx + 1);
+ }
if (ndx < 0) {
rsync_xa *rxa;
int count = sxp->xattr->count;
-- write_abbrevint(f, count);
-+ write_abbrevint30(f, count);
+- write_varint(f, count);
++ write_varint30(f, count);
for (rxa = sxp->xattr->items; count--; rxa++) {
#ifdef HAVE_LINUX_XATTRS
-- write_abbrevint(f, rxa->name_len);
-- write_abbrevint(f, rxa->datum_len);
-+ write_abbrevint30(f, rxa->name_len);
-+ write_abbrevint30(f, rxa->datum_len);
+- write_varint(f, rxa->name_len);
+- write_varint(f, rxa->datum_len);
++ write_varint30(f, rxa->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_abbrevint(f, rxa->name_len - RPRE_LEN);
-- write_abbrevint(f, rxa->datum_len);
-+ write_abbrevint30(f, rxa->name_len - RPRE_LEN);
-+ write_abbrevint30(f, rxa->datum_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_abbrevint(f, rxa->name_len + UPRE_LEN);
-- write_abbrevint(f, rxa->datum_len);
-+ write_abbrevint30(f, rxa->name_len + UPRE_LEN);
-+ write_abbrevint30(f, rxa->datum_len);
+- 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);
write_buf(f, USER_PREFIX, UPRE_LEN);
write_buf(f, rxa->name, rxa->name_len);
}
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,
+@@ -411,7 +422,7 @@ int xattr_diff(struct file_struct *file,
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
+@@ -454,6 +465,9 @@ void send_xattr_request(const char *fnam
int j, cnt, prior_req = -1;
rsync_xa *rxa;
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
+@@ -525,6 +539,9 @@ void recv_xattr_request(struct file_stru
rsync_xa *rxa;
int rel_pos, cnt;
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
+@@ -571,7 +588,22 @@ void receive_xattr(struct file_struct *f
{
static item_list temp_xattr = EMPTY_ITEM_LIST;
int count;
-- int ndx = read_abbrevint(f);
+- int ndx = read_varint(f);
+ int ndx;
+
+ if (protocol_version >= 30)
-+ ndx = read_abbrevint(f);
++ ndx = read_varint(f);
+ else {
+ int tag = read_byte(f);
+ if (tag == 'x')
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
+@@ -584,7 +616,7 @@ void receive_xattr(struct file_struct *f
return;
}
-- if ((count = read_abbrevint(f)) != 0) {
-+ if ((count = read_abbrevint30(f)) != 0) {
+- if ((count = read_varint(f)) != 0) {
++ if ((count = read_varint30(f)) != 0) {
(void)EXPAND_ITEM_LIST(&temp_xattr, rsync_xa, count);
temp_xattr.count = 0;
}
-@@ -573,9 +605,10 @@ void receive_xattr(struct file_struct *f
+@@ -592,9 +624,10 @@ void receive_xattr(struct file_struct *f
while (count--) {
char *ptr, *name;
rsync_xa *rxa;
-- size_t name_len = read_abbrevint(f);
-- size_t datum_len = read_abbrevint(f);
+- size_t name_len = read_varint(f);
+- size_t datum_len = read_varint(f);
- size_t dget_len = datum_len > MAX_FULL_DATUM ? 1 + MAX_DIGEST_LEN : datum_len;
-+ size_t name_len = read_abbrevint30(f);
-+ size_t datum_len = read_abbrevint30(f);
++ size_t name_len = read_varint30(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)
+ out_of_memory("receive_xattr"); /* overflow */
Matt McCutchen's Web Site / rsync / rsync-patches.git / blobdiff