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assume: change IPv6 method from "ignore" and "disabled" into "auto"

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IPv6 method "disabled" and "ignore" are not supported for loopback
device, when generating the assume connection, the generated connection
will fail verification. Therefore, change the IPv6 method into "auto",
as a result, for loopback external connection, NM will not toggle the
`disable_ipv6` sysctl setting when `systemd-sysctl` sets it into 1.

https://bugzilla.redhat.com/show_bug.cgi?id=2207878

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/1694
(cherry picked from commit e8a2306afb)
This commit is contained in:
Wen Liang 2023-07-17 14:09:04 -04:00 • committed by Fernando Fernandez Mancera
parent 43f244ef2e
commit 832e8df0c1
1 changed files with 7 additions and 0 deletions
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7
src/core/NetworkManagerUtils.c
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@ -1799,6 +1799,13 @@ nm_utils_platform_capture_ip_setting(NMPlatform *platform,
method = maybe_ipv6_disabled ? NM_SETTING_IP6_CONFIG_METHOD_DISABLED
: NM_SETTING_IP6_CONFIG_METHOD_IGNORE;
}
/* The IPv6 method "ignore" and "disabled" are not supported for loopback */
if (ifindex == 1
&& NM_IN_STRSET(method,
NM_SETTING_IP6_CONFIG_METHOD_DISABLED,
NM_SETTING_IP6_CONFIG_METHOD_IGNORE))
method = NM_SETTING_IP6_CONFIG_METHOD_AUTO;
g_object_set(s_ip, NM_SETTING_IP_CONFIG_METHOD, method, NULL);
nmp_lookup_init_object_by_ifindex(&lookup, NMP_OBJECT_TYPE_IP_ROUTE(IS_IPv4), ifindex);