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slaacd(8) does not (yet?) track if routes it added are deleted behind

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its back. It simply adds routes and lets the kernel sort duplicates
out.

This however leads to "failed to send route message: File exists"
messages in /var/log/daemon which are confusing. Since this is
expected, do not log it as an error. dhcpleased(8) has been doing this
for a long time.
This commit is contained in:
florian
2025-10-15 11:25:45 +00:00
parent c4226f0f08
commit f8ec15daa0
1 changed files with 5 additions and 3 deletions
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8
sbin/slaacd/slaacd.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: slaacd.c,v 1.81 2025/08/06 16:50:53 florian Exp $ */
/* $OpenBSD: slaacd.c,v 1.82 2025/10/15 11:25:45 florian Exp $ */
/*
* Copyright (c) 2017 Florian Obser <florian@openbsd.org>
@@ -805,8 +805,10 @@ configure_gateway(struct imsg_configure_dfr *dfr, uint8_t rtm_type)
rtm.rtm_msglen += padlen;
}
if (writev(routesock, iov, iovcnt) == -1)
log_warn("failed to send route message");
if (writev(routesock, iov, iovcnt) == -1) {
if (errno != EEXIST)
log_warn("failed to send route message");
}
}
void