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fast-ping: fix dns ping not working issue

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This commit is contained in:
Nick Peng
2022-11-05 17:46:28 +08:00
parent ffd3cb2db5
commit 5558e38cb4
1 changed files with 8 additions and 0 deletions
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8
src/fast_ping.c
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@@ -63,6 +63,9 @@ struct ping_dns_head {
unsigned short ancount;
unsigned short aucount;
unsigned short adcount;
char qd_name;
unsigned short q_qtype;
unsigned short q_qclass;
} __attribute__((packed));
typedef enum FAST_PING_TYPE {
@@ -547,6 +550,11 @@ static int _fast_ping_sendping_udp(struct ping_host_struct *ping_host)
memset(&dns_head, 0, sizeof(dns_head));
dns_head.id = htons(ping_host->sid);
dns_head.flag = flag;
dns_head.qdcount = htons(1);
dns_head.qd_name = 0;
dns_head.q_qtype = htons(2); /* DNS_T_NS */
dns_head.q_qclass = htons(1);
gettimeofday(&ping_host->last, NULL);
len = sendto(fd, &dns_head, sizeof(dns_head), 0, &ping_host->addr, ping_host->addr_len);
if (len < 0 || len != sizeof(dns_head)) {