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ecs: Optimize ecs-subnet configuration method

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This commit is contained in:
Nick Peng
2023-06-27 23:22:28 +08:00
parent 8a9a11d6d9
commit e66928f27f
2 changed files with 18 additions and 5 deletions
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17
src/dns_conf.c
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@@ -2562,9 +2562,6 @@ static int _conf_client_subnet(char *subnet, struct dns_edns_client_subnet *ipv4
*slash = 0;
slash++;
subnet_len = atoi(slash);
if (subnet_len < 0 || subnet_len > 128) {
return -1;
}
}
if (getaddr_by_host(str_subnet, (struct sockaddr *)&addr, &addr_len) != 0) {
@@ -2573,9 +2570,23 @@ static int _conf_client_subnet(char *subnet, struct dns_edns_client_subnet *ipv4
switch (addr.ss_family) {
case AF_INET:
if (subnet_len < 0 || subnet_len > 32) {
return -1;
}
if (subnet_len == 0) {
subnet_len = 32;
}
ecs = ipv4_ecs;
break;
case AF_INET6:
if (subnet_len < 0 || subnet_len > 128) {
return -1;
}
if (subnet_len == 0) {
subnet_len = 128;
}
ecs = ipv6_ecs;
break;
default: