+ lib/permstring.o lib/pool_alloc.o lib/sysacls.o lib/sysxattr.o @LIBOBJS@
ZLIBOBJ=zlib/deflate.o zlib/inffast.o zlib/inflate.o zlib/inftrees.o \
zlib/trees.o zlib/zutil.o zlib/adler32.o zlib/compress.o zlib/crc32.o
- OBJS1=rsync.o generator.o receiver.o cleanup.o sender.o exclude.o util.o \
- main.o checksum.o match.o syscall.o log.o backup.o
- OBJS2=options.o flist.o io.o compat.o hlink.o token.o uidlist.o socket.o \
+ OBJS1=flist.o rsync.o generator.o receiver.o cleanup.o sender.o exclude.o \
+ util.o main.o checksum.o match.o syscall.o log.o backup.o
+ OBJS2=options.o io.o compat.o hlink.o token.o uidlist.o socket.o \
- fileio.o batch.o clientname.o chmod.o acls.o
+ fileio.o batch.o clientname.o chmod.o acls.o xattr.o
OBJS3=progress.o pipe.o
DAEMON_OBJ = params.o loadparm.o clientserver.o access.o connection.o authenticate.o
popt_OBJS=popt/findme.o popt/popt.o popt/poptconfig.o \
---- old/acls.c
-+++ new/acls.c
-@@ -30,6 +30,7 @@ extern int read_only;
- extern int list_only;
- extern int orig_umask;
- extern int preserve_acls;
-+extern int preserve_xattrs;
- extern unsigned int file_struct_len;
-
- /* === ACL structures === */
-@@ -741,6 +742,10 @@ void receive_acl(struct file_struct *fil
- type = SMB_ACL_TYPE_ACCESS;
- racl_list = &access_acl_list;
- ndx_ptr = (char*)file + file_struct_len;
-+#ifdef SUPPORT_XATTRS
-+ if (preserve_xattrs)
-+ ndx_ptr += 4;
-+#endif
- do {
- char tag = read_byte(f);
- int ndx;
-@@ -800,6 +805,10 @@ void cache_acl(struct file_struct *file,
- racl = sxp->acc_acl;
- racl_list = &access_acl_list;
- ndx_ptr = (char*)file + file_struct_len;
-+#ifdef SUPPORT_XATTRS
-+ if (preserve_xattrs)
-+ ndx_ptr += 4;
-+#endif
- do {
- if (!racl)
- ndx = -1;
-@@ -920,6 +929,10 @@ int set_acl(const char *fname, const str
-
- type = SMB_ACL_TYPE_ACCESS;
- ndx_ptr = (char*)file + file_struct_len;
-+#ifdef SUPPORT_XATTRS
-+ if (preserve_xattrs)
-+ ndx_ptr += 4;
-+#endif
- do {
- acl_duo *duo_item;
- BOOL eq;
--- old/backup.c
+++ new/backup.c
-@@ -30,6 +30,7 @@ extern char *backup_dir;
-
+@@ -24,6 +24,7 @@
+ extern int verbose;
extern int am_root;
extern int preserve_acls;
+extern int preserve_xattrs;
extern int preserve_devices;
extern int preserve_specials;
extern int preserve_links;
-@@ -136,6 +137,9 @@ static int make_bak_dir(char *fullpath)
+@@ -135,6 +136,9 @@ static int make_bak_dir(char *fullpath)
#ifdef SUPPORT_ACLS
sx.acc_acl = sx.def_acl = NULL;
#endif
if (!(file = make_file(rel, NULL, NULL, 0, NO_FILTERS)))
continue;
#ifdef SUPPORT_ACLS
-@@ -144,6 +148,12 @@ static int make_bak_dir(char *fullpath)
+@@ -143,6 +147,12 @@ static int make_bak_dir(char *fullpath)
cache_acl(file, &sx);
}
#endif
set_file_attrs(fullpath, file, NULL, 0);
free(file);
}
-@@ -195,6 +205,9 @@ static int keep_backup(char *fname)
+@@ -194,6 +204,9 @@ static int keep_backup(const char *fname
#ifdef SUPPORT_ACLS
sx.acc_acl = sx.def_acl = NULL;
#endif
if (!(file = make_file(fname, NULL, NULL, 0, NO_FILTERS)))
return 1; /* the file could have disappeared */
-@@ -208,6 +221,12 @@ static int keep_backup(char *fname)
+@@ -209,6 +222,12 @@ static int keep_backup(const char *fname
cache_acl(file, &sx);
}
#endif
/* Check to see if this is a device file, or link */
if ((am_root && preserve_devices && IS_DEVICE(file->mode))
+--- old/compat.c
++++ new/compat.c
+@@ -50,6 +50,8 @@ void setup_protocol(int f_out,int f_in)
+ preserve_gid = ++flist_extra_cnt;
+ if (preserve_acls && !am_sender)
+ preserve_acls = ++flist_extra_cnt;
++ if (preserve_xattrs && !am_sender)
++ preserve_xattrs = ++flist_extra_cnt;
+
+ if (remote_protocol == 0) {
+ if (!read_batch)
--- old/configure.in
+++ new/configure.in
-@@ -856,6 +856,40 @@ samba_cv_HAVE_ACL_GET_PERM_NP=yes,samba_
+@@ -878,6 +878,40 @@ samba_cv_HAVE_ACL_GET_PERM_NP=yes,samba_
AC_MSG_RESULT(no)
)
--- old/flist.c
+++ new/flist.c
-@@ -41,6 +41,7 @@ extern int one_file_system;
+@@ -42,6 +42,7 @@ extern int one_file_system;
extern int copy_dirlinks;
extern int keep_dirlinks;
extern int preserve_acls;
extern int preserve_links;
extern int preserve_hard_links;
extern int preserve_devices;
-@@ -498,7 +499,7 @@ static struct file_struct *receive_file_
- char thisname[MAXPATHLEN];
- unsigned int l1 = 0, l2 = 0;
- int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
--#ifdef SUPPORT_ACLS
-+#if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
- int xtra_len;
- #endif
- OFF_T file_length;
-@@ -610,10 +611,16 @@ static struct file_struct *receive_file_
- xtra_len = (S_ISDIR(mode) ? 2 : 1) * 4;
- else
- xtra_len = 0;
-+#elif defined SUPPORT_XATTRS
-+ xtra_len = 0;
-+#endif
-+#ifdef SUPPORT_XATTRS
-+ if (preserve_xattrs)
-+ xtra_len += 4;
- #endif
-
- alloc_len = file_struct_len + dirname_len + basename_len
--#ifdef SUPPORT_ACLS
-+#if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
- + xtra_len
- #endif
- + linkname_len + sum_len;
-@@ -622,7 +629,7 @@ static struct file_struct *receive_file_
- file = (struct file_struct *)bp;
- memset(bp, 0, file_struct_len);
- bp += file_struct_len;
--#ifdef SUPPORT_ACLS
-+#if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
- bp += xtra_len;
- #endif
-
-@@ -723,6 +730,10 @@ static struct file_struct *receive_file_
+@@ -812,6 +813,10 @@ static struct file_struct *recv_file_ent
if (preserve_acls)
receive_acl(file, f);
#endif
return file;
}
-@@ -974,7 +985,7 @@ static struct file_struct *send_file_nam
+@@ -1082,7 +1087,7 @@ static struct file_struct *send_file_nam
unsigned short flags)
{
struct file_struct *file;
statx sx;
#endif
-@@ -994,6 +1005,13 @@ static struct file_struct *send_file_nam
+@@ -1102,6 +1107,13 @@ static struct file_struct *send_file_nam
return NULL;
}
#endif
+#ifdef SUPPORT_XATTRS
-+ if (preserve_xattrs) {
++ if (preserve_xattrs && f >= 0) {
+ sx.xattr = NULL;
+ if (get_xattr(fname, &sx) < 0)
+ return NULL;
maybe_emit_filelist_progress(flist->count + flist_count_offset);
-@@ -1006,11 +1024,19 @@ static struct file_struct *send_file_nam
+@@ -1113,6 +1125,10 @@ static struct file_struct *send_file_nam
if (preserve_acls)
send_acl(&sx, f);
#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs)
+ send_xattr(&sx, f);
-+#endif
- } else {
- #ifdef SUPPORT_ACLS
- if (preserve_acls)
- free_acl(&sx);
- #endif
-+#ifdef SUPPORT_XATTRS
-+ if (preserve_xattrs)
-+ free_xattr(&sx);
+#endif
}
return file;
}
--- old/lib/sysxattr.c
+++ new/lib/sysxattr.c
-@@ -0,0 +1,136 @@
+@@ -0,0 +1,135 @@
+/*
+ * Extended attribute support for rsync.
+ *
+ * terminator. We need to change this into a series of null-terminted
+ * strings. Since the size is the same, we can simply transform the
+ * output in place. */
-+ for (off = 0; off < len; ) {
++ for (off = 0; off < len; off += keylen + 1) {
+ keylen = ((unsigned char*)list)[off];
+ if (off + keylen >= len) {
+ /* Should be impossible, but kernel bugs happen! */
+ return -1;
+ }
+ memmove(list+off, list+off+1, keylen);
-+ off += keylen;
-+ list[off++] = '\0';
++ list[off+keylen] = '\0';
+ }
+
+ return len;
int preserve_perms = 0;
int preserve_executability = 0;
int preserve_devices = 0;
-@@ -201,6 +202,7 @@ static void print_rsync_version(enum log
+@@ -200,6 +201,7 @@ static void print_rsync_version(enum log
char const *have_inplace = "no ";
char const *hardlinks = "no ";
char const *acls = "no ";
char const *links = "no ";
char const *ipv6 = "no ";
STRUCT_STAT *dumstat;
-@@ -220,7 +222,9 @@ static void print_rsync_version(enum log
+@@ -219,7 +221,9 @@ static void print_rsync_version(enum log
#ifdef SUPPORT_ACLS
acls = "";
#endif
#ifdef SUPPORT_LINKS
links = "";
#endif
-@@ -236,8 +240,8 @@ static void print_rsync_version(enum log
- rprintf(f, "Capabilities: %d-bit files, %ssocketpairs, %shard links, %ssymlinks,\n",
- (int) (sizeof (OFF_T) * 8), got_socketpair, hardlinks, links);
-
-- rprintf(f, " batchfiles, %sinplace, %sIPv6, %sACLs,\n",
-- have_inplace, ipv6, acls);
-+ rprintf(f, " batchfiles, %sinplace, %sIPv6, %sACLs, %sxattrs,\n",
-+ have_inplace, ipv6, acls, xattrs);
+@@ -238,8 +242,8 @@ static void print_rsync_version(enum log
+ (int)(sizeof (int64) * 8));
+ rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
+ got_socketpair, hardlinks, links, ipv6, have_inplace);
+- rprintf(f, " %sappend, %sACLs\n",
+- have_inplace, acls);
++ rprintf(f, " %sappend, %sACLs, %sxattrs\n",
++ have_inplace, acls, xattrs);
- /* Note that this field may not have type ino_t. It depends
- * on the complicated interaction between largefile feature
-@@ -289,7 +293,7 @@ void usage(enum logcode F)
+ #ifdef MAINTAINER_MODE
+ rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
+@@ -285,7 +289,7 @@ void usage(enum logcode F)
rprintf(F," -q, --quiet suppress non-error messages\n");
rprintf(F," --no-motd suppress daemon-mode MOTD (see manpage caveat)\n");
rprintf(F," -c, --checksum skip based on checksum, not mod-time & size\n");
rprintf(F," --no-OPTION turn off an implied OPTION (e.g. --no-D)\n");
rprintf(F," -r, --recursive recurse into directories\n");
rprintf(F," -R, --relative use relative path names\n");
-@@ -314,6 +318,9 @@ void usage(enum logcode F)
+@@ -310,6 +314,9 @@ void usage(enum logcode F)
#ifdef SUPPORT_ACLS
rprintf(F," -A, --acls preserve ACLs (implies --perms)\n");
#endif
rprintf(F," -o, --owner preserve owner (super-user only)\n");
rprintf(F," -g, --group preserve group\n");
rprintf(F," --devices preserve device files (super-user only)\n");
-@@ -436,6 +443,9 @@ static struct poptOption long_options[]
+@@ -433,6 +440,9 @@ static struct poptOption long_options[]
{"acls", 'A', POPT_ARG_NONE, 0, 'A', 0, 0 },
{"no-acls", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
{"no-A", 0, POPT_ARG_VAL, &preserve_acls, 0, 0, 0 },
{"times", 't', POPT_ARG_VAL, &preserve_times, 1, 0, 0 },
{"no-times", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
{"no-t", 0, POPT_ARG_VAL, &preserve_times, 0, 0, 0 },
-@@ -1117,6 +1127,17 @@ int parse_arguments(int *argc, const cha
+@@ -1115,6 +1125,17 @@ int parse_arguments(int *argc, const cha
return 0;
#endif
default:
/* A large opt value means that set_refuse_options()
-@@ -1563,6 +1584,10 @@ void server_options(char **args,int *arg
+@@ -1562,6 +1583,10 @@ void server_options(char **args,int *arg
if (preserve_acls)
argstr[x++] = 'A';
#endif
extern int preserve_perms;
extern int preserve_executability;
extern int preserve_times;
-@@ -218,6 +219,10 @@ int set_file_attrs(char *fname, struct f
+@@ -271,6 +272,10 @@ int set_file_attrs(char *fname, struct f
if (daemon_chmod_modes && !S_ISLNK(new_mode))
new_mode = tweak_mode(new_mode, daemon_chmod_modes);
* will enable owner-writability using chmod, if necessary.
--- old/rsync.h
+++ new/rsync.h
-@@ -500,6 +500,10 @@ struct idev {
+@@ -511,6 +511,10 @@ struct idev_node {
#define ACLS_NEED_MASK 1
#endif
+
#define GID_NONE ((gid_t)-1)
- #define HL_CHECK_MASTER 0
-@@ -694,6 +698,9 @@ typedef struct {
+ union file_extras {
+@@ -563,6 +567,7 @@ extern int preserve_gid;
+ #define F_UID(f) REQ_EXTRA(f, preserve_uid)->unum
+ #define F_GID(f) REQ_EXTRA(f, preserve_gid)->unum
+ #define F_ACL(f) REQ_EXTRA(f, preserve_acls)->unum
++#define F_XATTR(f) REQ_EXTRA(f, preserve_xattrs)->unum
+
+ /* These items are per-entry optional and mutally exclusive: */
+ #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
+@@ -738,6 +743,9 @@ typedef struct {
struct rsync_acl *acc_acl; /* access ACL */
struct rsync_acl *def_acl; /* default ACL */
#endif
-o, --owner preserve owner (super-user only)
-g, --group preserve group
--devices preserve device files (super-user only)
-@@ -818,6 +819,11 @@ version makes it incompatible with sendi
- rsync unless you double the bf(--acls) option (e.g. bf(-AA)). This
- doubling is not needed when pulling files from an older rsync.
+@@ -818,6 +819,11 @@ The ACL-sending protocol used by this ve
+ the patch that was shipped with 2.6.8. Sending ACLs to an older version
+ of the ACL patch is not supported.
+dit(bf(-X, --xattrs)) This option causes rsync to update the remote
+extended attributes to be the same as the local ones. This will work
transfer. The resulting value is treated as though it was the permissions
--- old/xattr.c
+++ new/xattr.c
-@@ -0,0 +1,393 @@
+@@ -0,0 +1,415 @@
+/*
+ * Extended Attribute support for rsync.
+ * Written by Jay Fenlason, vaguely based on the ACLs patch.
+extern int am_root;
+extern int read_only;
+extern int list_only;
++extern int preserve_xattrs;
+extern unsigned int file_struct_len;
+
+#define RSYNC_XAL_INITIAL 5
+#define RSYNC_XAL_LIST_INITIAL 100
+
++#define HAS_PREFIX(str, prfx) (*(str) == *(prfx) \
++ && strncmp(str, prfx, sizeof (prfx) - 1) == 0)
++
+#define USER_PREFIX "user."
-+#define UPRE_LEN (sizeof USER_PREFIX - 1)
-+#define ROOT_PREFIX "root."
-+#define RPRE_LEN (sizeof ROOT_PREFIX - 1)
++#define UPRE_LEN ((int)sizeof USER_PREFIX - 1)
++#define SYSTEM_PREFIX "system."
++#define SPRE_LEN ((int)sizeof SYSTEM_PREFIX - 1)
++
++#ifdef HAVE_LINUX_XATTRS
++#define RPRE_LEN 0
++#else
++#define RSYNC_PREFIX "rsync."
++#define RPRE_LEN ((int)sizeof RSYNC_PREFIX - 1)
++#endif
+
+typedef struct {
-+ char *name;
-+ char *datum;
-+ size_t name_len;
-+ size_t datum_len;
++ char *datum, *name;
++ size_t datum_len, name_len;
+} rsync_xa;
+
+static size_t namebuf_len = 0;
+ rsync_xa *rxas = xalp->items;
+
+ for (i = 0; i < xalp->count; i++) {
-+ free(rxas[i].name);
-+ /* free(rxas[i].value); */
++ free(rxas[i].datum);
++ /*free(rxas[i].name);*/
+ }
+ xalp->count = 0;
+}
+
+static int rsync_xal_get(const char *fname, item_list *xalp)
+{
-+ ssize_t name_size;
-+ ssize_t datum_size;
-+ ssize_t left;
-+ char *name;
-+ size_t len;
-+ char *ptr;
++ ssize_t list_len, name_len, datum_len;
++ char *name, *ptr;
+
+ if (!namebuf) {
+ namebuf_len = 1024;
+ }
+
+ /* The length returned includes all the '\0' terminators. */
-+ name_size = sys_llistxattr(fname, namebuf, namebuf_len);
-+ if (name_size > (ssize_t)namebuf_len) {
-+ name_size = -1;
++ list_len = sys_llistxattr(fname, namebuf, namebuf_len);
++ if (list_len > (ssize_t)namebuf_len) {
++ list_len = -1;
+ errno = ERANGE;
+ }
-+ if (name_size < 0) {
++ if (list_len < 0) {
+ if (errno == ENOTSUP)
+ return 0;
+ if (errno == ERANGE) {
-+ name_size = sys_llistxattr(fname, NULL, 0);
-+ if (name_size < 0) {
-+ rsyserr(FERROR, errno, "%s: rsync_xal_get: llistxattr",
++ list_len = sys_llistxattr(fname, NULL, 0);
++ if (list_len < 0) {
++ rsyserr(FERROR, errno,
++ "rsync_xal_get: llistxattr(\"%s\",0) failed",
+ fname);
+ return -1;
+ }
-+ namebuf = realloc_array(namebuf, char, name_size + 1024);
++ namebuf = realloc_array(namebuf, char, list_len + 1024);
+ if (!namebuf)
+ out_of_memory("rsync_xal_get");
-+ namebuf_len = name_size + 1024;
-+ name_size = sys_llistxattr(fname, namebuf, namebuf_len);
-+ if (name_size < 0) {
++ namebuf_len = list_len + 1024;
++ list_len = sys_llistxattr(fname, namebuf, namebuf_len);
++ if (list_len < 0) {
+ rsyserr(FERROR, errno,
-+ "%s: rsync_xal_get: re-llistxattr failed",
-+ fname);
++ "rsync_xal_get: llistxattr(\"%s\",%ld) failed",
++ fname, (long)namebuf_len);
+ return -1;
+ }
+ } else {
+ rsyserr(FERROR, errno,
-+ "%s: rsync_xal_get: llistxattr failed:",
-+ fname);
++ "rsync_xal_get: llistxattr(\"%s\",%ld) failed",
++ fname, (long)namebuf_len);
+ return -1;
+ }
+ }
-+ if (name_size == 0)
-+ return 0;
-+ for (left = name_size, name = namebuf; left > 0 ; left -= len, name += len) {
++
++ for (name = namebuf; list_len > 0; name += name_len) {
+ rsync_xa *rxas;
+
-+ len = strlen(name) + 1;
++ name_len = strlen(name) + 1;
++ list_len -= name_len;
+
+#ifdef HAVE_LINUX_XATTRS
-+ /* We only send user and root namespaces. */
-+ if (strncmp(name, USER_PREFIX, UPRE_LEN) != 0
-+ && strncmp(name, ROOT_PREFIX, RPRE_LEN) != 0)
++ /* We don't send the system namespace. */
++ if (HAS_PREFIX(name, SYSTEM_PREFIX))
+ continue;
+#endif
+
-+ rxas = EXPAND_ITEM_LIST(xalp, rsync_xa, RSYNC_XAL_INITIAL);
-+
-+ datum_size = sys_lgetxattr(fname, name, NULL, 0);
-+ if (datum_size < 0) {
++ datum_len = sys_lgetxattr(fname, name, NULL, 0);
++ if (datum_len < 0) {
+ if (errno == ENOTSUP)
+ return -1;
+ rsyserr(FERROR, errno,
-+ "%s: rsync_xal_get: lgetxattr %s failed",
++ "rsync_xal_get: lgetxattr(\"%s\",\"%s\",0) failed",
+ fname, name);
+ return -1;
+ }
-+ ptr = new_array(char, len + datum_size);
++ ptr = new_array(char, name_len + datum_len);
+ if (!ptr)
+ out_of_memory("rsync_xal_get");
-+ memcpy(ptr, name, len);
-+ rxas->name_len = len;
-+ rxas->name = ptr;
-+ rxas->datum_len = datum_size;
-+ rxas->datum = ptr + len;
-+ if (datum_size) {
-+ ssize_t size = sys_lgetxattr(fname, name, rxas->datum, datum_size);
-+ if (size != datum_size) {
-+ if (size < 0) {
++ if (datum_len) {
++ ssize_t len = sys_lgetxattr(fname, name, ptr, datum_len);
++ if (len != datum_len) {
++ if (len < 0) {
+ rsyserr(FERROR, errno,
-+ "rsync_xal_get: lgetxattr(%s,%s)"
-+ " failed", fname, name);
++ "rsync_xal_get: lgetxattr(\"%s\",\"%s\",%ld)"
++ " failed", fname, name, (long)datum_len);
+ } else {
+ rprintf(FERROR,
-+ "rsync_xal_get: lgetxattr(%s,%s)"
-+ " returned %ld instead of %ld\n",
-+ fname, name,
-+ (long)size, (long)datum_size);
++ "rsync_xal_get: lgetxattr(\"%s\",\"%s\",%ld)"
++ " returned %ld\n", fname, name,
++ (long)datum_len, (long)len);
+ }
++ free(ptr);
+ return -1;
+ }
+ }
++ rxas = EXPAND_ITEM_LIST(xalp, rsync_xa, RSYNC_XAL_INITIAL);
++ rxas->name = ptr + datum_len;
++ rxas->datum = ptr;
++ rxas->name_len = name_len;
++ rxas->datum_len = datum_len;
++ memcpy(rxas->name, name, name_len);
+ }
+ if (xalp->count > 1)
+ qsort(xalp->items, xalp->count, sizeof (rsync_xa), rsync_xal_compare_names);
+ write_byte(f, 'X');
+ write_int(f, count);
+ for (rxa = sxp->xattr->items; count--; rxa++) {
-+#ifndef HAVE_LINUX_XATTRS
-+ /* This OS only sends the user namespace, so we may have
-+ * stored a root namespace from Linux in user space. */
-+ if (strncmp(rxa->name, ROOT_PREFIX, RPRE_LEN) != 0) {
++#ifdef HAVE_LINUX_XATTRS
++ write_int(f, rxa->name_len);
++ write_int(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_int(f, rxa->name_len - RPRE_LEN);
++ write_int(f, rxa->datum_len);
++ write_buf(f, rxa->name + RPRE_LEN, rxa->name_len - RPRE_LEN);
++ } else {
+ write_int(f, rxa->name_len + UPRE_LEN);
+ write_int(f, rxa->datum_len);
+ write_buf(f, USER_PREFIX, UPRE_LEN);
-+ } else
-+#endif
-+ {
-+ write_int(f, rxa->name_len);
-+ write_int(f, rxa->datum_len);
++ write_buf(f, rxa->name, rxa->name_len);
+ }
-+ write_buf(f, rxa->name, rxa->name_len);
++#endif
+ write_buf(f, rxa->datum, rxa->datum_len);
+ }
+ rsync_xal_store(sxp->xattr); /* adds item to rsync_xal_l */
+void receive_xattr(struct file_struct *file, int f)
+{
+ static item_list temp_xattr = EMPTY_ITEM_LIST;
-+ int tag = read_byte(f);
-+ char *ndx_ptr = (char*)file + file_struct_len;
-+ int ndx;
++ int ndx, tag = read_byte(f);
+
+ if (tag == 'X') {
+ int i, count = read_int(f);
+ for (i = 0; i < count; i++) {
-+ char *ptr;
++ char *ptr, *name;
+ rsync_xa *rxa;
+ size_t name_len = read_int(f);
+ size_t datum_len = read_int(f);
-+ if (name_len + datum_len < name_len)
++#ifdef HAVE_LINUX_XATTRS
++ size_t extra_len = 0;
++#else
++ size_t extra_len = am_root ? RPRE_LEN : 0;
++ if (datum_len + extra_len < datum_len)
+ out_of_memory("receive_xattr"); /* overflow */
-+ rxa = EXPAND_ITEM_LIST(&temp_xattr, rsync_xa, count);
-+ ptr = new_array(char, name_len + datum_len);
++#endif
++ if (name_len + datum_len + extra_len < name_len)
++ out_of_memory("receive_xattr"); /* overflow */
++ ptr = new_array(char, name_len + datum_len + extra_len);
+ if (!ptr)
+ out_of_memory("receive_xattr");
-+ read_buf(f, ptr, name_len);
-+ read_buf(f, ptr + name_len, datum_len);
-+ rxa->name_len = name_len;
-+ rxa->datum_len = datum_len;
-+ rxa->name = ptr;
-+ rxa->datum = ptr + name_len;
++ name = ptr + datum_len + extra_len;
++ read_buf(f, name, name_len);
++ read_buf(f, ptr, datum_len);
+#ifdef HAVE_LINUX_XATTRS
-+ if (!am_root && strncmp(ptr, ROOT_PREFIX, RPRE_LEN) == 0) {
-+ temp_xattr.count--;
++ /* Non-root can only save the user namespace. */
++ if (!am_root && !HAS_PREFIX(name, USER_PREFIX)) {
+ free(ptr);
+ continue;
+ }
+#else
-+ if (strncmp(ptr, USER_PREFIX, UPRE_LEN) == 0) {
-+ rxa->name_len -= UPRE_LEN;
-+ memmove(ptr, ptr + UPRE_LEN, rxa->name_len);
++ /* This OS only has a user namespace, so we either
++ * strip the user prefix, or we put a non-user
++ * namespace inside our rsync hierarchy. */
++ if (HAS_PREFIX(name, USER_PREFIX)) {
++ name += UPRE_LEN;
++ name_len -= UPRE_LEN;
++ } else if (am_root) {
++ name -= RPRE_LEN;
++ name_len += RPRE_LEN;
++ memcpy(name, RSYNC_PREFIX, RPRE_LEN);
++ } else {
++ free(ptr);
++ continue;
+ }
+#endif
++ rxa = EXPAND_ITEM_LIST(&temp_xattr, rsync_xa, count);
++ rxa->name = name;
++ rxa->datum = ptr;
++ rxa->name_len = name_len;
++ rxa->datum_len = datum_len;
+ }
+ ndx = rsync_xal_l.count; /* pre-incremented count */
+ rsync_xal_store(&temp_xattr); /* adds item to rsync_xal_l */
+ } else if (tag == 'x') {
+ ndx = read_int(f);
+ if (ndx < 0 || (size_t)ndx >= rsync_xal_l.count) {
-+ rprintf(FERROR, "%s: receive_xattr: xa index %d out of range\n",
-+ f_name(file, NULL), ndx);
++ rprintf(FERROR, "receive_xattr: xa index %d out of"
++ " range for %s\n", ndx, f_name(file, NULL));
+ exit_cleanup(RERR_STREAMIO);
+ }
+ } else {
-+ rprintf(FERROR,
-+ "%s: receive_xattr: unknown extended attribute type tag: %c\n",
-+ f_name(file, NULL), tag);
++ rprintf(FERROR, "receive_xattr: unknown extended attribute"
++ " type tag (%c) for %s\n", tag, f_name(file, NULL));
+ exit_cleanup(RERR_STREAMIO);
-+ ndx = 0; /* silence a compiler warning... */
+ }
+
-+ SIVAL(ndx_ptr, 0, ndx);
++ F_XATTR(file) = ndx;
+}
+
+/* Turn the xattr data in statx into cached xattr data, setting the index
+ * values in the file struct. */
+void cache_xattr(struct file_struct *file, statx *sxp)
+{
-+ char *ndx_ptr = (char*)file + file_struct_len;
+ int ndx;
+
+ if (!sxp->xattr)
+ rsync_xal_store(sxp->xattr); /* adds item to rsync_xal_l */
+ free_xattr(sxp);
+
-+ SIVAL(ndx_ptr, 0, ndx);
++ F_XATTR(file) = ndx;
+}
+
+static int rsync_xal_set(const char *fname, item_list *xalp)
+ for (i = 0; i < xalp->count; i++) {
+ int status = sys_lsetxattr(fname, rxas[i].name, rxas[i].datum, rxas[i].datum_len);
+ if (status < 0) {
-+ rsyserr(FERROR, errno, "%s: rsync_xal_set: lsetxattr %s failed",
++ rsyserr(FERROR, errno,
++ "rsync_xal_set: lsetxattr(\"%s\",\"%s\") failed",
+ fname, rxas[i].name);
+ ret = -1;
+ }
+int set_xattr(const char *fname, const struct file_struct *file, UNUSED(statx *sxp))
+{
+ int ndx;
-+ char *ndx_ptr = (char*)file + file_struct_len;
+ item_list *lst = rsync_xal_l.items;
+
+ if (dry_run)
+ return -1;
+ }
+
-+ ndx = IVAL(ndx_ptr, 0);
++ ndx = F_XATTR(file);
+ return rsync_xal_set(fname, lst + ndx); /* TODO: This needs to return 1 if no xattrs changed! */
+}
+
Matt McCutchen's Web Site / rsync / rsync-patches.git / blobdiff