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Add rule match log

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This commit is contained in:
Nick Peng
2018-08-01 23:52:42 +08:00
parent b387940c19
commit f5863e4d82
4 changed files with 52 additions and 5 deletions
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24
src/dns_server.c
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@@ -741,11 +741,22 @@ errout:
return -1;
}
static void _dns_server_log_rule(char *domain, unsigned char *rule_key, int rule_key_len)
{
char rule_name[DNS_MAX_CNAME_LEN];
reverse_string(rule_name, (char *)rule_key, rule_key_len);
rule_name[rule_key_len - 1] = 0;
tlog(TLOG_INFO, "RULE-MATCH, domain: %s, rule: %s", domain, rule_name);
}
static struct dns_address *_dns_server_get_address_by_domain(char *domain, int qtype)
{
int domain_len;
char domain_key[DNS_MAX_CNAME_LEN];
char type = '4';
unsigned char matched_key[DNS_MAX_CNAME_LEN];
int matched_key_len = DNS_MAX_CNAME_LEN;
struct dns_address *address = NULL;
switch (qtype) {
case DNS_T_A:
@@ -763,7 +774,18 @@ static struct dns_address *_dns_server_get_address_by_domain(char *domain, int q
domain_key[0] = type;
domain_len++;
return art_substring(&dns_conf_address, (unsigned char *)domain_key, domain_len);
if (likely(dns_conf_log_level > TLOG_INFO)) {
return art_substring(&dns_conf_address, (unsigned char *)domain_key, domain_len, NULL, NULL);
}
address = art_substring(&dns_conf_address, (unsigned char *)domain_key, domain_len, matched_key, &matched_key_len);
if (address == NULL) {
return NULL;
}
_dns_server_log_rule(domain, matched_key, matched_key_len);
return address;
}
static int _dns_server_process_address(struct dns_request *request, struct dns_packet *packet)