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mk-ca-bundle.pl: Only download if modified

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Only download and convert the certdata to the ca-bundle.crt if Mozilla
changed the data

The Perl LWP module (which in a bit of a circular reference is used by
mk-ca-bundle.pl) is now indirectly using this script. I made this small
tweak to make it easier to automatically maintain the generated
ca-bundle.crt file in version control.
This commit is contained in:
Ask Bjørn Hansen 2011-03-14 06:52:33 +01:00 committed by Daniel Stenberg
parent 3eac14b43c
commit 3e00af34c8
1 changed files with 13 additions and 12 deletions
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25
lib/mk-ca-bundle.pl
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@ -75,20 +75,22 @@ my $crt = $ARGV[0] || 'ca-bundle.crt';
my $txt = substr($url, rindex($url, '/') + 1);
$txt =~ s/\?.*//;
if (!$opt_n || !-e $txt) {
my $resp;
unless ($opt_n and -e $txt) {
print "Downloading '$txt' ...\n" if (!$opt_q);
my $ua = new LWP::UserAgent(agent => "$0/$version");
my $req = new HTTP::Request('GET', $url);
my $res = $ua->request($req);
if ($res->is_success) {
open(TXT,">$txt") or die "Couldn't open $txt: $!";
print TXT $res->content . "\n";
close(TXT) or die "Couldn't close $txt: $!";
} else {
die $res->status_line;
}
$resp = $ua->mirror($url, 'certdata.txt');
}
if ($resp && $resp->code eq '304') {
print "Not modified\n" unless $opt_q;
exit 0;
}
my $currentdate = scalar gmtime($resp ? $resp->last_modified : (stat($txt))[9]);
if ($opt_b && -e $crt) {
my $bk = 1;
while (-e "$crt.~${bk}~") {
@ -98,13 +100,12 @@ if ($opt_b && -e $crt) {
}
my $format = $opt_t ? "plain text and " : "";
my $currentdate = scalar gmtime() . " UTC";
open(CRT,">$crt") or die "Couldn't open $crt: $!";
print CRT <<EOT;
##
## $crt -- Bundle of CA Root Certificates
##
## Converted at: ${currentdate}
## Certificate data from Mozilla as of: ${currentdate}
##
## This is a bundle of X.509 certificates of public Certificate Authorities
## (CA). These were automatically extracted from Mozilla's root certificates