[cups-devel] [UNKN] STR #4748: Print Job from non unicode system

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[STR New]

When cups receive a print job from an non unicode system via berkeley
printing protocol (port 515 tcp) from a user with non unicode letters in
his username, the cups daemon dies. 

/var/log/cups/error_log:
add_job: requesting-user-name="HG▒BEL"

/var/log/messages:
2015-11-27T13:34:25.786133+01:00 plato cupsd[16407]: process 16407:
arguments to dbus_message_iter_append_basic() were incorrect, assertion
"_dbus_check_is_valid_utf8 (*string_p)" failed in file dbus-message.c line
2676.

Link: https://www.cups.org/str.php?L4748
Version: 2.1.0
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