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Fix glob for serial device names

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Removing the "." that was in {,.[0-9]} allows it to match /dev/cuau10 and onward.
I added lots of comments on the glob expression, because the format of the glob expression is not the same as an ordinary regex.
This commit is contained in:
Phil Davis 2015-07-14 19:09:01 +05:45 committed by Chris Buechler
parent 57945fccf3
commit 36f90078fb
1 changed files with 6 additions and 1 deletions
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7
usr/local/www/interfaces_ppps_edit.php
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@ -442,7 +442,12 @@ $types = array("select" => gettext("Select"), "ppp" => "PPP", "pppoe" => "PPPoE"
if (!is_dir("/var/spool/lock"))
mwexec("/bin/mkdir -p /var/spool/lock");
// $serialports = pfSense_get_modem_devices();
$serialports = glob("/dev/cua?[0-9]{,.[0-9]}", GLOB_BRACE);
// Match files in /dev starting with "cua" then:
// ? = any single character e.g. like "cuau"
// [0-9] = a digit from 0 to 9
// {,[0-9]} = nothing (the empty before the comma) or a digit from 0 to 9
// This supports up to 100 devices (0 to 99), e.g. cuau0 cuau1 ... cuau10 cuau11 ... cuau99
$serialports = glob("/dev/cua?[0-9]{,[0-9]}", GLOB_BRACE);
$serport_count = 0;
foreach ($serialports as $port) {
$serport_count++;