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network/radv: allow to announce prefix and route information with zero lifetime

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Setting zero lifetime for prefix or route information option is valid,
and is used for announcing the prefix or route is invalidated.

Fixes #26239.
This commit is contained in:
Yu Watanabe
2024-03-28 13:28:58 +09:00
parent b3ea82afbe
commit 12a9241bf2
1 changed files with 0 additions and 12 deletions
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src/network/networkd-radv.c
-12
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@@ -816,12 +816,6 @@ static int prefix_section_verify(Prefix *p) {
p->assign = false;
}
if (p->valid_lifetime == 0)
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: The valid lifetime of prefix cannot be zero. "
"Ignoring [IPv6Prefix] section from line %u.",
p->section->filename, p->section->line);
if (p->preferred_lifetime > p->valid_lifetime)
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: The preferred lifetime %s is longer than the valid lifetime %s. "
@@ -854,12 +848,6 @@ static int route_prefix_section_verify(RoutePrefix *p) {
"Valid range is 0…128. Ignoring [IPv6RoutePrefix] section from line %u.",
p->section->filename, p->prefixlen, p->section->line);
if (p->lifetime == 0)
return log_warning_errno(SYNTHETIC_ERRNO(EINVAL),
"%s: The lifetime of route cannot be zero. "
"Ignoring [IPv6RoutePrefix] section from line %u.",
p->section->filename, p->section->line);
return 0;
}