[Gphoto-user] gphoto2 as www-data user

[Chris S. <ch...@sz...>]

Hello,

I've been working on a project to control gphoto2 from a web site.  I've run
into issues with both cgi executables and php's system(), exec() and
shell_exec() commands.  I have written a bash script that will detect
multiple cameras connected to the PC, and take a single capture from each
cam.  This works fine when I execute the script myself.  However, when
trying to execute the script as the apache user, www-data, I get nothing but
errors from gphoto2.

For example, when I do gphoto2 --auto-detect, it will come up with a list of
the cameras connected to the PC.  However, typing sudo -u www-data gphoto2
--auto-detect will not show anything below the ---- line.  Also, if I type
gphoto2 --capture-image -F 1 -I 1, the camera takes the picture, and
downloads it (like it should).  As with before, running this same command as
the www-data user produces the error # 105 "unknown model".

The first few lines look like the normal output, gphoto2 says that
time-lapse mode is enabled, inverval 1s, then capturing frame #1/1, after
this it dies.

Does anyone have any insight on this, or any suggestions on how I can get
gphoto2 to run from a web server?

Thanks
-Chris Szikszoy
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