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ecs: support pass client ecs to upstream

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This commit is contained in:
Nick Peng
2022-05-26 23:03:40 +08:00
parent b125d142bd
commit b5a5311976
4 changed files with 261 additions and 93 deletions
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3
src/dns.c
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@@ -887,11 +887,12 @@ int dns_add_OPT_ECS(struct dns_packet *packet, struct dns_opt_ecs *ecs)
int dns_get_OPT_ECS(struct dns_rrs *rrs, unsigned short *opt_code, unsigned short *opt_len, struct dns_opt_ecs *ecs)
{
unsigned char opt_data[DNS_MAX_OPT_LEN];
char domain[DNS_MAX_CNAME_LEN] = {0};
struct dns_opt *opt = (struct dns_opt *)opt_data;
int len = DNS_MAX_OPT_LEN;
int ttl = 0;
if (_dns_get_RAW(rrs, NULL, 0, &ttl, opt_data, &len) != 0) {
if (_dns_get_RAW(rrs, domain, DNS_MAX_CNAME_LEN, &ttl, opt_data, &len) != 0) {
return -1;
}