RE: [PHP] read from comport: windows vs. linux

> -----Original Message----- > From: Richard Lynch [mailto:ceo@l-i-e.com] > Sent: Thursday, April 07, 2005 6:18 AM > > [root@lager dev]# ls -al ttyS* > > crw-rw-rw- 1 apache apache 4, 64 Apr 5 16:01 ttyS0 This is not an acceptable solution anyway, the permissions are changed on a reboot: Crw-rw---- 1 root uucp 4, 64 Apr 7 09:56 /dev/ttyS0 instead I´ve added the apache user to the group uucp in /etc/groups But I did check the permissions on the /dev and only root could write to that, that´s changed now. > Just for fun... > > On the command line, su to 'apache' and then do cat /dev/ttyS0 Apache user has /sbin/nologin and no bash, so I used a chsh apache, added /bin/bash and had no problem "catting" the device... > Okay, if that works, run your PHP script from the command line, as apache. I´m not running PHP as CGI > Report it as a bug, I guess. http://bugs.php.net Nah, it´s not a PHP bug, cause I can read from it when using fopen("/dev/ttyS0", "r"); I´m on my way... think it´s now oddies with the script, that was developed on a windows platform, you know things like fwrite($fp, "sh ssh\r\n"); > *MAYBE* you could try using http://php.net/exec (with "cat > /dev/ttyS0") > and see if that allows you any kind of access. Doubt it, though. I´m using exec to set the comport speed and the likes. -- Med venlig hilsen / best regards ComX Networks A/S Kim Madsen Systemudvikler/systemdeveloper