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This solves a tough to discover bug. When root objcopy the permissions were

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preserved for libraries, but this wasn't the case for non-root users.  The
part which did preserve permissions with chmod didn't allow non-root users,
but with genext2fs this isn't a problem, though chown is.  Anyways, when ld
or libc aren't 0755 basically the kernel can't find init.  Problem solved.
This commit is contained in:
freesource 2001-11-17 06:14:35 +00:00
parent 3015d7f233
commit caca3cae38
1 changed files with 18 additions and 10 deletions
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28
BootRoot/Yard.pm
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@ -1179,6 +1179,9 @@ sub copy_strip_file {
$strip_lib, $strip_bin, $strip_module) = @_;
my $error;
# Need to know whether genext2fs is being used
my $fs_type = (split(/\s/,$main::makefs))[0];
if ($strippable{$from}) {
# Copy it stripped
@ -1187,18 +1190,18 @@ sub copy_strip_file {
# It's a library
if ($strip_objfiles == 1) {
info(1, "Copy/stripping library $from to $to\n");
sys("$objcopy --strip-all $from $to");
sys("$objcopy --strip-all -p $from $to");
}
elsif ($strip_objfiles == 0) {
info(1, "Copy/stripping library $from to $to\n");
sys("$objcopy --strip-debug $from $to");
sys("$objcopy --strip-debug -p $from $to");
}
}
}
if ($strip_module) {
if (defined($is_module{$from})) {
info(1, "Copy/stripping module $from to $to\n");
sys("$objcopy --strip-debug $from $to");
sys("$objcopy --strip-debug -p $from $to");
}
}
if ($strip_bin) {
@ -1206,7 +1209,7 @@ sub copy_strip_file {
!defined($lib_needed_by{$from})) {
# It's a binary executable
info(1, "Copy/stripping binary executable $from to $to\n");
sys("$objcopy --strip-all $from $to");
sys("$objcopy --strip-all -p $from $to");
}
}
else { # fallback just in case
@ -1231,21 +1234,26 @@ sub copy_strip_file {
}
# Copy file perms and owner
## non-root users will experience problems here so this is
## skipped. --freesource
## If non-root users are using genext2fs then it is safe to
## chmod, but not to chown. --freesource
my($mode, $uid, $gid);
(undef, undef, $mode, undef, $uid, $gid) = stat $from;
my $from_base = basename($from);
if ( $> == 0 ) {
chown($uid, $gid, $to) or ($error =
error("chown: $! \($from_base\)\n"));
return "ERROR"if $error && $error eq "ERROR";
if ( $> == 0 || $fs_type eq "genext2fs" ) {
if ( $> == 0 ) {
chown($uid, $gid, $to) or ($error =
error("chown: $! \($from_base\)\n"));
return "ERROR"if $error && $error eq "ERROR";
}
chmod($mode, $to) or ($error =
error("chmod: $! \($from_base\)\n"));
return "ERROR"if $error && $error eq "ERROR";
}
## else {