forked from rpms/libvirt
83 lines
2.8 KiB
Diff
83 lines
2.8 KiB
Diff
From 665a535028d1512e2afabf3c2c1cc100debfa7d7 Mon Sep 17 00:00:00 2001
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Message-Id: <665a535028d1512e2afabf3c2c1cc100debfa7d7@dist-git>
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From: Laine Stump <laine@laine.org>
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Date: Mon, 14 Jan 2019 11:35:03 -0500
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Subject: [PATCH] util: add a function to insert new interfaces to
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IPv6CheckForwarding list
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This same operation needs to be done in multiple places, so move the
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inline code into a separate function.
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Signed-off-by: Laine Stump <laine@laine.org>
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Reviewed-by: Erik Skultety <eskultet@redhat.com>
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(cherry picked from commit 37bb6facfc467179d6cfe6186ad6d5a55285c2c7)
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https://bugzilla.redhat.com/1583131
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Conflicts: src/util/virnetdevip.c - introduction of VIR_AUTOPTR upstream led to
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conflicts in surrounding context, and elimination of cleanup and
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error labels.
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Signed-off-by: Laine Stump <laine@laine.org>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/util/virnetdevip.c | 29 ++++++++++++++++++++---------
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1 file changed, 20 insertions(+), 9 deletions(-)
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diff --git a/src/util/virnetdevip.c b/src/util/virnetdevip.c
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index 1bfbd20034..937ebcdbdb 100644
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--- a/src/util/virnetdevip.c
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+++ b/src/util/virnetdevip.c
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@@ -539,6 +539,25 @@ struct virNetDevIPCheckIPv6ForwardingData {
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size_t ndevices;
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};
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+
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+static int
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+virNetDevIPCheckIPv6ForwardingAddIF(struct virNetDevIPCheckIPv6ForwardingData *data,
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+ char **ifname)
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+{
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+ size_t i;
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+
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+ /* add ifname to the array if it's not already there
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+ * (ifname is char** so VIR_APPEND_ELEMENT() will move the
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+ * original pointer out of the way and avoid having it freed)
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+ */
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+ for (i = 0; i < data->ndevices; i++) {
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+ if (STREQ(data->devices[i], *ifname))
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+ return 0;
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+ }
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+ return VIR_APPEND_ELEMENT(data->devices, data->ndevices, *ifname);
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+}
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+
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+
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static int
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virNetDevIPCheckIPv6ForwardingCallback(struct nlmsghdr *resp,
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void *opaque)
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@@ -551,8 +570,6 @@ virNetDevIPCheckIPv6ForwardingCallback(struct nlmsghdr *resp,
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int ret = 0;
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int len = RTM_PAYLOAD(resp);
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int oif = -1;
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- size_t i;
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- bool hasDevice;
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/* Ignore messages other than route ones */
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if (resp->nlmsg_type != RTM_NEWROUTE)
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@@ -589,13 +606,7 @@ virNetDevIPCheckIPv6ForwardingCallback(struct nlmsghdr *resp,
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accept_ra = virNetDevIPGetAcceptRA(ifname);
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VIR_DEBUG("Checking route for device %s, accept_ra: %d", ifname, accept_ra);
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- hasDevice = false;
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- for (i = 0; i < data->ndevices && !hasDevice; i++) {
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- if (STREQ(data->devices[i], ifname))
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- hasDevice = true;
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- }
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- if (accept_ra != 2 && !hasDevice &&
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- VIR_APPEND_ELEMENT(data->devices, data->ndevices, ifname) < 0)
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+ if (accept_ra != 2 && virNetDevIPCheckIPv6ForwardingAddIF(data, &ifname) < 0)
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goto error;
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cleanup:
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--
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2.20.1
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