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dracut: only copy xattr, if root 

otherwise cp complains a lot about not being able to copy xattrs
master
Harald Hoyer 2017-01-18 10:38:00 +01:00
parent 83a6d6f928
commit 076fcd1652
2 changed files with 24 additions and 7 deletions
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6
dracut-init.sh
View File

@ -19,7 +19,11 @@
#
export LC_MESSAGES=C

export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,xattr,links -dfr"
if [[ "$UID" = "0" ]]; then
export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,xattr,links -dfr"
else
export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,links -dfr"
fi

# is_func <command>
# Check whether $1 is a function.

25
install/dracut-install.c
View File

@ -275,8 +275,13 @@ static int cp(const char *src, const char *dst)
if (ret == 0) {
struct timeval tv[2];
if (fchown(dest_desc, sb.st_uid, sb.st_gid) != 0)
if(fchown(dest_desc, (uid_t) - 1, sb.st_gid) != 0)
log_error("Failed to chown %s: %m", dst);
if(fchown(dest_desc, (uid_t) - 1, sb.st_gid) != 0) {
if (geteuid() == 0)
log_error("Failed to chown %s: %m", dst);
else
log_info("Failed to chown %s: %m", dst);
}

tv[0].tv_sec = sb.st_atime;
tv[0].tv_usec = 0;
tv[1].tv_sec = sb.st_mtime;
@ -295,16 +300,24 @@ static int cp(const char *src, const char *dst)
normal_copy:
pid = fork();
if (pid == 0) {
execlp("cp", "cp", "--reflink=auto", "--sparse=auto", "--preserve=mode,timestamps,xattr", "-fL", src, dst,
NULL);
if (geteuid() == 0)
execlp("cp", "cp", "--reflink=auto", "--sparse=auto", "--preserve=mode,xattr,timestamps", "-fL", src, dst,
NULL);
else
execlp("cp", "cp", "--reflink=auto", "--sparse=auto", "--preserve=mode,timestamps", "-fL", src, dst,
NULL);
_exit(EXIT_FAILURE);
}

while (waitpid(pid, &ret, 0) < 0) {
if (errno != EINTR) {
ret = -1;
log_error("Failed: cp --reflink=auto --sparse=auto --preserve=mode,timestamps,xattr -fL %s %s", src,
dst);
if (geteuid() == 0)
log_error("Failed: cp --reflink=auto --sparse=auto --preserve=mode,xattr,timestamps -fL %s %s", src,
dst);
else
log_error("Failed: cp --reflink=auto --sparse=auto --preserve=mode,timestamps -fL %s %s", src,
dst);
break;
}
}