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(parent: 0320202) | patch
pppoe: Print packet fields in hex if they contain non-printable characters
authorPaul Mackerras <paulus@ozlabs.org>
Fri, 10 Dec 2021 21:40:57 +0000 (08:40 +1100)
committerPaul Mackerras <paulus@ozlabs.org>
Fri, 10 Dec 2021 21:40:57 +0000 (08:40 +1100)
commitca75478c3e694d77c8af2fab1409346aafa1d9c5
tree55b43b20fabc0971832a270a5d516ab26185bfbdtree | snapshot (tar.gz zip)
parent032020241d270c53dff479a7b0eb7fe487c56a78commit | diff
pppoe: Print packet fields in hex if they contain non-printable characters

This adds logic to pppoe_printpkt to print text fields as hex if the
field contains any non-printable characters.  This is so that a
malicious, buggy or hacked access concentrator can't cause us to send
non-printing characters to syslog.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
pppd/plugins/pppoe/common.c diff | blob | history
PPP (Point-to-Point Protocol) implementation for Linux and Solaris