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* conf: Silence gcc -Os warningStefano Brivio2021-10-051-1/+1
| | | | Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* conf, tcp: Periodic detection of bound ports for pasta port forwardingStefano Brivio2021-09-271-34/+51
| | | | | | | | | | Detecting bound ports at start-up time isn't terribly useful: do this periodically instead, if configured. This is only implemented for TCP at the moment, UDP is somewhat more complicated: leave a TODO there. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* conf: Actually zero-terminate DNS and search list arraysStefano Brivio2021-09-271-6/+11
| | | | | | This worked pretty much by chance until now. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* conf: Fix help message about default behaviour for UDP port forwardingStefano Brivio2021-09-091-6/+4
| | | | Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* conf, dhcp, ndp: Fix message about default MTU, make NDP consistentStefano Brivio2021-09-091-1/+14
| | | | Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* conf: Introduce PASST_LEGACY_NO_OPTIONS ifdef for legacyStefano Brivio2021-09-091-0/+12
| | | | | | | | Before introducing options, the default behaviour in passt mode was to forward all ports, to run in foreground and to log to stderr. Make it a bit more convenient to restore that at build time. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* conf: Fix check for IPv6 DNS address being already setStefano Brivio2021-09-011-1/+1
| | | | Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* conf: Minor fixes for usage messageStefano Brivio2021-09-011-4/+4
| | | | Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
* passt, pasta: Introduce command-line options and port re-mappingStefano Brivio2021-09-011-0/+1163
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>