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scripts/package-metadata.pl: parse and validate field Require-User

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The script will now detect uid/gid collision and can generate a table of
current allocation

    ./scripts/package-metadata.pl usergroup tmp/.packageinfo \
	| sort -k 1,1r -k 3,3n \
	| column -t

This should ensure that no collision will happen for each single build

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
This commit is contained in:
Yousong Zhou 2017-06-13 17:03:38 +08:00
parent f334a0cdb8
commit 80d9ec5d3d
2 changed files with 83 additions and 1 deletions
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72
scripts/metadata.pm
View File

@ -2,7 +2,7 @@ package metadata;
use base 'Exporter';
use strict;
use warnings;
our @EXPORT = qw(%package %srcpackage %category %subdir %preconfig %features %overrides clear_packages parse_package_metadata parse_target_metadata get_multiline @ignore);
our @EXPORT = qw(%package %srcpackage %category %subdir %preconfig %features %overrides clear_packages parse_package_metadata parse_target_metadata get_multiline @ignore %usernames %groupnames);
our %package;
our %preconfig;
@ -13,6 +13,11 @@ our %features;
our %overrides;
our @ignore;
our %usernames;
our %groupnames;
our %userids;
our %groupids;
sub get_multiline {
my $fh = shift;
my $prefix = shift;
@ -31,6 +36,58 @@ sub confstr($) {
return $conf;
}
sub parse_package_metadata_usergroup($$$$$) {
my $makefile = shift;
my $typename = shift;
my $names = shift;
my $ids = shift;
my $spec = shift;
my $name;
my $id;
# the regex for name is taken from is_valid_name() of package shadow
if ($spec =~ /^([a-z_][a-z0-9_-]*\$?)$/) {
$name = $spec;
$id = -1;
} elsif ($spec =~ /^([a-z_][a-z0-9_-]*\$?)=(\d+)$/) {
$name = $1;
$id = $2;
} else {
warn "$makefile: invalid $typename spec $spec\n";
return 0;
}
if ($id =~ /^[1-9]\d*$/) {
if ($id >= 65536) {
warn "$makefile: $typename $name id $id >= 65536";
return 0;
}
if (not exists $ids->{$id}) {
$ids->{$id} = {
name => $name,
makefile => $makefile,
};
} elsif ($ids->{$id}{name} ne $name) {
warn "$makefile: $typename $name id $id is already taken by $ids->{$id}{makefile}\n";
return 0;
}
} elsif ($id != -1) {
warn "$makefile: $typename $name has invalid id $id\n";
return 0;
}
if (not exists $names->{$name}) {
$names->{$name} = {
id => $id,
makefile => $makefile,
};
} elsif ($names->{$name}{id} != $id) {
warn "$makefile: id of $typename $name collides with that defined defined in $names->{$name}{makefile}\n";
return 0;
}
return 1;
}
sub parse_target_metadata($) {
my $file = shift;
my ($target, @target, $profile);
@ -128,6 +185,8 @@ sub clear_packages() {
%category = ();
%features = ();
%overrides = ();
%usernames = ();
%groupnames = ();
}
sub parse_package_metadata($) {
@ -262,6 +321,17 @@ sub parse_package_metadata($) {
/^Preconfig-Type:\s*(.*?)\s*$/ and $preconfig->{type} = $1;
/^Preconfig-Label:\s*(.*?)\s*$/ and $preconfig->{label} = $1;
/^Preconfig-Default:\s*(.*?)\s*$/ and $preconfig->{default} = $1;
/^Require-User:\s*(.*?)\s*$/ and do {
my @ugspecs = split /\s+/, $1;
for my $ugspec (@ugspecs) {
my @ugspec = split /:/, $ugspec, 2;
parse_package_metadata_usergroup($makefile, "user", \%usernames, \%userids, $ugspec[0]) or return 0;
if (@ugspec > 1) {
parse_package_metadata_usergroup($makefile, "group", \%groupnames, \%groupids, $ugspec[1]) or return 0;
}
}
};
}
close FILE;
return 1;

12
scripts/package-metadata.pl
View File

@ -632,6 +632,16 @@ sub gen_version_filtered_list() {
}
}
sub gen_usergroup_list() {
parse_package_metadata($ARGV[0]) or exit 1;
for my $name (keys %usernames) {
print "user $name $usernames{$name}{id} $usernames{$name}{makefile}\n";
}
for my $name (keys %groupnames) {
print "group $name $groupnames{$name}{id} $groupnames{$name}{makefile}\n";
}
}
sub parse_command() {
GetOptions("ignore=s", \@ignore);
my $cmd = shift @ARGV;
@ -643,6 +653,7 @@ sub parse_command() {
/^subdirs$/ and return gen_package_subdirs();
/^license$/ and return gen_package_license(0);
/^licensefull$/ and return gen_package_license(1);
/^usergroup$/ and return gen_usergroup_list();
/^version_filter$/ and return gen_version_filtered_list();
}
die <<EOF
@ -654,6 +665,7 @@ Available Commands:
$0 subdirs [file] Package subdir information in makefile format
$0 license [file] Package license information
$0 licensefull [file] Package license information (full list)
$0 usergroup [file] Package usergroup allocation list
$0 version_filter [patchver] [list...] Filter list of version tagged strings
Options: