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c527e13a7a
Autogenerate the SMB2 status to error code mapping table, from the smb2status.h common header, sorting it by NT status code so that it can be searched by binary chopping. This also reduces the number of places this list is duplicated in the source. Signed-off-by: David Howells <dhowells@redhat.com> cc: Steve French <stfrench@microsoft.com> cc: ChenXiaoSong <chenxiaosong@kylinos.cn> cc: linux-cifs@vger.kernel.org Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn> Reviewed-by: David Howells <dhowells@redhat.com> Link: https://lore.kernel.org/linux-cifs/20260106071507.1420900-3-chenxiaosong.chenxiaosong@linux.dev/ Signed-off-by: Steve French <stfrench@microsoft.com>
87 lines
1.7 KiB
Perl
87 lines
1.7 KiB
Perl
#!/usr/bin/perl -w
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Generate an SMB2 status -> error mapping table,
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# sorted by NT status code (cpu-endian, ascending).
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#
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# Copyright (C) 2025 Red Hat, Inc. All Rights Reserved.
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# Written by David Howells (dhowells@redhat.com)
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#
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use strict;
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if ($#ARGV != 1) {
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print STDERR "Format: ", $0, " <in-h-file> <out-c-file>\n";
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exit(2);
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}
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my %statuses = ();
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my @list = ();
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#
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# Read the file
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#
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open IN_FILE, "<$ARGV[0]" || die;
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while (<IN_FILE>) {
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chomp;
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if (m!^#define\s*([A-Za-z0-9_]+)\s+cpu_to_le32[(]([0-9a-fA-Fx]+)[)]\s+//\s+([-A-Z0-9_]+)!) {
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my $status = $1;
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my $code = $2;
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my $ncode = hex($2);
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my $error = $3;
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my $s;
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next if ($status =~ /^STATUS_SEVERITY/);
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die "Duplicate status $status"
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if exists($statuses{$status});
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my %s = (
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status => $status,
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code => $code,
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ncode => $ncode,
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error => $error
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);
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$statuses{$status} = \%s;
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push @list, \%s;
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}
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}
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close IN_FILE || die;
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@list = sort( { $a->{ncode} <=> $b->{ncode} } @list);
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open OUT_FILE, ">$ARGV[1]" || die;
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my $list_size = scalar @list;
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my $full_status = "";
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for (my $i = 0; $i < $list_size; $i++) {
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my $entry = $list[$i];
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my $status = $entry->{status};
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my $code = $entry->{code};
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my $ncode = $entry->{ncode};
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my $error = $entry->{error};
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next if ($ncode == 0);
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$full_status .= $status;
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# There may be synonyms
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if ($i < $list_size - 1) {
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my $next_entry = $list[$i + 1];
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my $next_ncode = $next_entry->{ncode};
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if ($next_ncode == $ncode) {
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$full_status .= " or ";
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next;
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}
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}
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my $pad = " ";
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if (length($full_status) < 40) {
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my $n = 40 - length($full_status);
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$pad = "\t" x ((($n-1) / 8) + 1);
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}
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print(OUT_FILE "{ $code, $error, \"$full_status\" },\n");
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$full_status = "";
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}
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close OUT_FILE || die;
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