FN_LOCAL_BOOL(lp_ignore_errors, ignore_errors)
FN_LOCAL_BOOL(lp_ignore_nonreadable, ignore_nonreadable)
FN_LOCAL_BOOL(lp_list, list)
-@@ -816,7 +820,7 @@ BOOL lp_load(char *pszFname, int globals
+@@ -815,7 +819,7 @@ BOOL lp_load(char *pszFname, int globals
if (pszFname)
pstrcpy(n2,pszFname);
"failed to set permissions on %s",
--- old/rsync.h
+++ new/rsync.h
-@@ -707,6 +707,12 @@ typedef struct {
+@@ -704,6 +704,12 @@ typedef struct {
#include "proto.h"
/* We have replacement versions of these if they're missing. */
#ifndef HAVE_ASPRINTF
int asprintf(char **ptr, const char *format, ...);
-@@ -924,3 +930,23 @@ int inet_pton(int af, const char *src, v
- #ifdef MAINTAINER_MODE
+@@ -922,6 +928,26 @@ int inet_pton(int af, const char *src, v
const char *get_panic_action(void);
#endif
-+
+
+static inline int to_wire_mode(mode_t mode)
+{
+#ifdef SUPPORT_LINKS
+#endif
+ return mode;
+}
++
+ static inline int
+ isDigit(const char *ptr)
+ {
--- old/rsync.yo
+++ new/rsync.yo
@@ -333,6 +333,7 @@ to the detailed description below for a
/* These are to make syscall.o shut up. */
int dry_run = 0;
-+int am_root = 0; /* TODO: add option to set this to -1. */
++int am_root = 0;
int read_only = 1;
int list_only = 0;
int preserve_perms = 0;
int preserve_perms = 0;
--- old/xattr.c
+++ new/xattr.c
-@@ -28,11 +28,14 @@
- extern int dry_run;
- extern int read_only;
- extern int list_only;
-+extern int am_root;
- extern unsigned int file_struct_len;
+@@ -43,11 +43,16 @@ extern unsigned int file_struct_len;
+ #define SPRE_LEN ((int)sizeof SYSTEM_PREFIX - 1)
- #define RSYNC_XAL_INITIAL 5
- #define RSYNC_XAL_LIST_INITIAL 100
-
-+#define FAKE_XATTR "user.rsync%stat"
+ #ifdef HAVE_LINUX_XATTRS
+-#define RPRE_LEN 0
++#define MIGHT_NEED_RPRE (am_root < 0)
++#define RSYNC_PREFIX USER_PREFIX "rsync."
+ #else
++#define MIGHT_NEED_RPRE am_root
+ #define RSYNC_PREFIX "rsync."
+-#define RPRE_LEN ((int)sizeof RSYNC_PREFIX - 1)
+ #endif
++#define RPRE_LEN ((int)sizeof RSYNC_PREFIX - 1)
+
++#define XSTAT_ATTR RSYNC_PREFIX "%stat"
++#define XSTAT_LEN ((int)sizeof XSTAT_ATTR - 1)
+
typedef struct {
- char *name;
- char *datum;
-@@ -134,9 +137,15 @@ static int rsync_xal_get(const char *fna
- if (name_size == 0)
- return 0;
- for (left = name_size, name = namebuf; left > 0 ; left -= len, name += len) {
-- rsync_xa *rxas = EXPAND_ITEM_LIST(xalp, rsync_xa, RSYNC_XAL_INITIAL);
-+ rsync_xa *rxas;
+ char *datum, *name;
+@@ -148,6 +153,10 @@ static int rsync_xal_get(const char *fna
+ continue;
+ #endif
- len = strlen(name) + 1;
-+ if (am_root < 0 && len == sizeof FAKE_XATTR
-+ && name[10] == '%' && strcmp(name, FAKE_XATTR) == 0)
++ if (am_root < 0 && name_len == XSTAT_LEN + 1
++ && name[RPRE_LEN] == '%' && strcmp(name, XSTAT_ATTR) == 0)
+ continue;
+
-+ 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)
-@@ -288,6 +297,14 @@ void receive_xattr(struct file_struct *f
- out_of_memory("receive_xattr");
- read_buf(f, ptr, name_len);
- read_buf(f, ptr + name_len, datum_len);
-+
-+ if (am_root < 0 && name_len == sizeof FAKE_XATTR
-+ && ptr[10] == '%' && strcmp(ptr, FAKE_XATTR) == 0) {
+@@ -177,6 +186,13 @@ static int rsync_xal_get(const char *fna
+ return -1;
+ }
+ }
++#ifdef HAVE_LINUX_XATTRS
++ if (am_root < 0 && name_len > RPRE_LEN
++ && HAS_PREFIX(name, RSYNC_PREFIX)) {
++ name += RPRE_LEN;
++ name_len -= RPRE_LEN;
++ }
++#endif
+ rxas = EXPAND_ITEM_LIST(xalp, rsync_xa, RSYNC_XAL_INITIAL);
+ rxas->name = ptr + datum_len;
+ rxas->datum = ptr;
+@@ -298,13 +314,9 @@ void receive_xattr(struct file_struct *f
+ rsync_xa *rxa;
+ size_t name_len = read_int(f);
+ size_t datum_len = read_int(f);
+-#ifdef HAVE_LINUX_XATTRS
+- size_t extra_len = 0;
+-#else
+- size_t extra_len = am_root ? RPRE_LEN : 0;
++ size_t extra_len = MIGHT_NEED_RPRE ? RPRE_LEN : 0;
+ if (datum_len + extra_len < datum_len)
+ out_of_memory("receive_xattr"); /* overflow */
+-#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);
+@@ -315,9 +327,14 @@ void receive_xattr(struct file_struct *f
+ read_buf(f, ptr, datum_len);
+ #ifdef HAVE_LINUX_XATTRS
+ /* Non-root can only save the user namespace. */
+- if (!am_root && !HAS_PREFIX(name, USER_PREFIX)) {
+- free(ptr);
+- continue;
++ if (am_root <= 0 && !HAS_PREFIX(name, USER_PREFIX)) {
++ if (!am_root) {
++ free(ptr);
++ continue;
++ }
++ name -= RPRE_LEN;
++ name_len += RPRE_LEN;
++ memcpy(name, RSYNC_PREFIX, RPRE_LEN);
+ }
+ #else
+ /* This OS only has a user namespace, so we either
+@@ -335,6 +352,12 @@ void receive_xattr(struct file_struct *f
+ continue;
+ }
+ #endif
++ if (am_root < 0 && name_len == XSTAT_LEN + 1
++ && name[RPRE_LEN] == '%'
++ && strcmp(name, XSTAT_ATTR) == 0) {
+ free(ptr);
-+ temp_xattr.count--;
+ continue;
+ }
-+
- rxa->name_len = name_len;
- rxa->datum_len = datum_len;
- rxa->name = ptr;
-@@ -373,4 +390,146 @@ int set_xattr(const char *fname, const s
+ rxa = EXPAND_ITEM_LIST(&temp_xattr, rsync_xa, count);
+ rxa->name = name;
+ rxa->datum = ptr;
+@@ -414,4 +437,149 @@ int set_xattr(const char *fname, const s
return rsync_xal_set(fname, lst + ndx); /* TODO: This needs to return 1 if no xattrs changed! */
}
+ xst = fst;
+ if (fname) {
+ fd = -1;
-+ len = sys_lgetxattr(fname, FAKE_XATTR, buf, sizeof buf - 1);
++ len = sys_lgetxattr(fname, XSTAT_ATTR, buf, sizeof buf - 1);
+ } else {
+ fname = "fd";
-+ len = sys_fgetxattr(fd, FAKE_XATTR, buf, sizeof buf - 1);
++ len = sys_fgetxattr(fd, XSTAT_ATTR, buf, sizeof buf - 1);
+ }
+ if (len >= (int)sizeof buf) {
+ len = -1;
+ return 0;
+ }
+ rsyserr(FERROR, errno, "failed to read xattr %s for %s",
-+ FAKE_XATTR, full_fname(fname));
++ XSTAT_ATTR, full_fname(fname));
+ return -1;
+ }
+ buf[len] = '\0';
+ if (sscanf(buf, "%o %d,%d %d:%d",
+ &mode, &rdev_major, &rdev_minor, &uid, &gid) != 5) {
+ rprintf(FERROR, "Corrupt %s xattr attached to %s: \"%s\"\n",
-+ FAKE_XATTR, full_fname(fname), buf);
++ XSTAT_ATTR, full_fname(fname), buf);
+ exit_cleanup(RERR_FILEIO);
+ }
+
+{
+ STRUCT_STAT fst, xst;
+ dev_t rdev;
-+ mode_t mode;
++ mode_t mode, fmode;
+
+ if (dry_run)
+ return 0;
+
+ if (read_only || list_only) {
+ rsyserr(FERROR, EROFS, "failed to write xattr %s for %s",
-+ FAKE_XATTR, full_fname(fname));
++ XSTAT_ATTR, full_fname(fname));
+ return -1;
+ }
+
+ return -1;
+ }
+
-+ if (IS_DEVICE(file->mode) || IS_SPECIAL(file->mode))
++ fst.st_mode &= (_S_IFMT | CHMOD_BITS);
++ fmode = file->mode & (_S_IFMT | CHMOD_BITS);
++
++ if (IS_DEVICE(fmode) || IS_SPECIAL(fmode))
+ rdev = file->u.rdev;
+ else
+ rdev = 0;
+
+ /* Dump the special permissions and enable full owner access. */
-+ mode = (fst.st_mode & ~CHMOD_BITS) | (file->mode & ACCESSPERMS)
++ mode = (fst.st_mode & _S_IFMT) | (fmode & ACCESSPERMS)
+ | (S_ISDIR(fst.st_mode) ? 0700 : 0600);
+ if (fst.st_mode != mode)
+ do_chmod(fname, mode);
+ if (!IS_DEVICE(fst.st_mode) && !IS_SPECIAL(fst.st_mode))
+ fst.st_rdev = 0; /* just in case */
+
-+ if (mode == file->mode && fst.st_rdev == rdev
++ if (mode == fmode && fst.st_rdev == rdev
+ && fst.st_uid == file->uid && fst.st_gid == file->gid) {
+ /* xst.st_mode will be 0 if there's no current stat xattr */
-+ if (xst.st_mode && sys_lremovexattr(fname, FAKE_XATTR) < 0) {
++ if (xst.st_mode && sys_lremovexattr(fname, XSTAT_ATTR) < 0) {
+ rsyserr(FERROR, errno,
+ "delete of stat xattr failed for %s",
+ full_fname(fname));
+ return 0;
+ }
+
-+ if (xst.st_mode != file->mode || xst.st_rdev != rdev
++ if (xst.st_mode != fmode || xst.st_rdev != rdev
+ || xst.st_uid != file->uid || xst.st_gid != file->gid) {
+ char buf[256];
+ int len = snprintf(buf, sizeof buf, "%o %u,%u %u:%u",
-+ to_wire_mode(file->mode) & (_S_IFMT|CHMOD_BITS),
++ to_wire_mode(fmode),
+ (int)major(rdev), (int)minor(rdev),
+ (int)file->uid, (int)file->gid);
-+ if (sys_lsetxattr(fname, FAKE_XATTR, buf, len) < 0) {
++ if (sys_lsetxattr(fname, XSTAT_ATTR, buf, len) < 0) {
+ if (errno == EPERM && S_ISLNK(fst.st_mode))
+ return 0;
+ rsyserr(FERROR, errno,
+ "failed to write xattr %s for %s",
-+ FAKE_XATTR, full_fname(fname));
++ XSTAT_ATTR, full_fname(fname));
+ return -1;
+ }
+ }
Matt McCutchen's Web Site / rsync / rsync-patches.git / blobdiff