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This commit is contained in:
Nick Peng
2018-05-13 10:04:57 +08:00
parent 092e5fff71
commit 83d0d5cf6f
1 changed files with 16 additions and 16 deletions
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32
dns.c
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@@ -363,7 +363,7 @@ int dns_get_AAAA(struct dns_rrs *rrs, char *domain, int maxsize, int *ttl, unsig
data_context.maxsize = rrs->len;
ret = _dns_get_rr_head(&data_context, domain, maxsize, &qtype, &qclass, ttl, &rr_len);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
@@ -562,7 +562,7 @@ int _dns_encode_qr_head(struct dns_context *context, char *domain, int qtype, in
{
int ret = 0;
ret = _dns_encode_domain(context, domain);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
@@ -581,7 +581,7 @@ int _dns_decode_rr_head(struct dns_context *context, char *domain, int domain_si
int len = 0;
len = _dns_decode_qr_head(context, domain, domain_size, qtype, qclass);
if (len <= 0) {
if (len < 0) {
return -1;
}
@@ -599,7 +599,7 @@ int _dns_encode_rr_head(struct dns_context *context, char *domain, int qtype, in
{
int ret = 0;
ret = _dns_encode_qr_head(context, domain, qtype, qclass);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
@@ -648,7 +648,7 @@ int _dns_encode_A(struct dns_context *context, struct dns_rrs *rrs)
}
ret = _dns_encode_rr_head(context, domain, qtype, qclass, ttl, DNS_RR_A_LEN);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
@@ -688,7 +688,7 @@ int _dns_encode_AAAA(struct dns_context *context, struct dns_rrs *rrs)
data_context.maxsize = rrs->len;
ret = _dns_get_rr_head(&data_context, domain, DNS_MAX_CNAME_LEN, &qtype, &qclass, &ttl, &rr_len);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
@@ -697,7 +697,7 @@ int _dns_encode_AAAA(struct dns_context *context, struct dns_rrs *rrs)
}
ret = _dns_encode_rr_head(context, domain, qtype, qclass, ttl, DNS_RR_AAAA_LEN);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
@@ -725,7 +725,7 @@ int _dns_decode_qd(struct dns_context *context)
}
len = dns_add_domain(packet, domain, qtype, qclass);
if (len <= 0) {
if (len < 0) {
return -1;
}
@@ -792,12 +792,12 @@ int _dns_encode_qd(struct dns_context *context, struct dns_rrs *rrs)
data_context.maxsize = rrs->len;
ret = _dns_get_qr_head(&data_context, domain, DNS_MAX_CNAME_LEN, &qtype, &qclass);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
ret = _dns_encode_qr_head(context, domain, qtype, qclass);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
@@ -836,7 +836,7 @@ int _dns_decode_body(struct dns_context *context)
for (i = 0; i < head->qdcount; i++) {
ret = _dns_decode_qd(context);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
head->qdcount--;
@@ -844,7 +844,7 @@ int _dns_decode_body(struct dns_context *context)
for (i = 0; i < head->ancount; i++) {
ret = _dns_decode_an(context);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
head->ancount--;
@@ -866,7 +866,7 @@ int _dns_encode_body(struct dns_context *context)
head->qdcount = count;
for (i = 0; i < count && rrs; i++, rrs = dns_get_rrs_next(packet, rrs)) {
len = _dns_encode_qd(context, rrs);
if (len <= 0) {
if (len < 0) {
return -1;
}
}
@@ -875,7 +875,7 @@ int _dns_encode_body(struct dns_context *context)
head->ancount = count;
for (i = 0; i < count && rrs; i++, rrs = dns_get_rrs_next(packet, rrs)) {
len = _dns_encode_an(context, rrs);
if (len <= 0) {
if (len < 0) {
return -1;
}
}
@@ -944,12 +944,12 @@ int dns_encode(unsigned char *data, int size, struct dns_packet *packet)
context.maxsize = size;
ret = _dns_encode_head(&context);
if (ret <= 0) {
if (ret < 0) {
return -1;
}
ret = _dns_encode_body(&context);
if (ret <= 0) {
if (ret < 0) {
return -1;
}