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ndisc: reject malformed captive portal URI with EBADMSG

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This allows the correct, gracious, error handling to follow up in the
ndisc handler. Otherwise, an internal error is assumed and the interface
disabled.

Fixes: 9747955d2d ("ndisc: parse RFC8910 captive portal ipv6ra option")
This commit is contained in:
Ronan Pigott 2023-07-03 03:07:57 -07:00
parent 16290f50e9
commit 8231286faf
1 changed files with 1 additions and 1 deletions
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2
src/network/networkd-ndisc.c
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@ -743,7 +743,7 @@ static int ndisc_router_process_captive_portal(Link *link, sd_ndisc_router *rt)
return r;
if (!in_charset(captive_portal, URI_VALID))
return -EINVAL;
return -EBADMSG;
if (!streq_ptr(link->ndisc_captive_portal, captive_portal)) {
free_and_replace(link->ndisc_captive_portal, captive_portal);