#define RPRE_LEN ((int)sizeof RSYNC_PREFIX - 1)
#define XSTAT_ATTR RSYNC_PREFIX "%stat"
+#define XACC_ACL_ATTR RSYNC_PREFIX "%aacl"
+#define XDEF_ACL_ATTR RSYNC_PREFIX "%dacl"
typedef struct {
char *datum, *name;
int no_missing_error)
{
size_t datum_len = sys_lgetxattr(fname, name, NULL, 0);
+ size_t extra_len = *len_ptr;
char *ptr;
+ *len_ptr = datum_len;
+
if (datum_len == (size_t)-1) {
if (errno == ENOTSUP || no_missing_error)
return NULL;
return NULL;
}
- if (datum_len + *len_ptr < datum_len /* checks for overflow */
- || !(ptr = new_array(char, datum_len + *len_ptr)))
+ if (!datum_len && !extra_len)
+ extra_len = 1; /* request non-zero amount of memory */
+ if (datum_len + extra_len < datum_len /* checks for overflow */
+ || !(ptr = new_array(char, datum_len + extra_len)))
out_of_memory("get_xattr_data");
- *len_ptr = datum_len;
-
if (datum_len) {
size_t len = sys_lgetxattr(fname, name, ptr, datum_len);
if (len != datum_len) {
return rsync_xal_set(fname, lst + ndx, fnamecmp, sxp);
}
+#ifdef SUPPORT_ACLS
+char *get_xattr_acl(const char *fname, int is_access_acl, size_t *len_p)
+{
+ const char *name = is_access_acl ? XACC_ACL_ATTR : XDEF_ACL_ATTR;
+ *len_p = 0; /* no extra data alloc needed from get_xattr_data() */
+ return get_xattr_data(fname, name, len_p, 1);
+}
+
+int set_xattr_acl(const char *fname, int is_access_acl, const char *buf, size_t buf_len)
+{
+ const char *name = is_access_acl ? XACC_ACL_ATTR : XDEF_ACL_ATTR;
+ if (sys_lsetxattr(fname, name, buf, buf_len) < 0) {
+ rsyserr(FERROR, errno,
+ "set_xattr_acl: lsetxattr(\"%s\",\"%s\") failed",
+ fname, name);
+ return -1;
+ }
+ return 0;
+}
+
+int del_def_xattr_acl(const char *fname)
+{
+ return sys_lremovexattr(fname, XDEF_ACL_ATTR);
+}
+#endif
+
int get_stat_xattr(const char *fname, int fd, STRUCT_STAT *fst, STRUCT_STAT *xst)
{
int mode, rdev_major, rdev_minor, uid, gid, len;