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network: clear DNS and domains for RA when an empty string is assigned

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This commit is contained in:
Yu Watanabe 2020-10-15 15:56:25 +09:00
parent 5e2767720a
commit a3c1a94947
1 changed files with 11 additions and 0 deletions
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11
src/network/networkd-radv.c
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@ -773,6 +773,12 @@ int config_parse_radv_dns(
assert(lvalue);
assert(rvalue);
if (isempty(rvalue)) {
n->n_router_dns = 0;
n->router_dns = mfree(n->router_dns);
return 0;
}
for (const char *p = rvalue;;) {
_cleanup_free_ char *w = NULL;
union in_addr_union a;
@ -834,6 +840,11 @@ int config_parse_radv_search_domains(
assert(lvalue);
assert(rvalue);
if (isempty(rvalue)) {
n->router_search_domains = ordered_set_free(n->router_search_domains);
return 0;
}
for (const char *p = rvalue;;) {
_cleanup_free_ char *w = NULL, *idna = NULL;