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Fixed DNS nxdomain packet size

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M66B 2017-03-04 14:07:58 +01:00
parent ab8df1cebb
commit c526b50afd
1 changed files with 2 additions and 1 deletions
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3
app/src/main/jni/netguard/dns.c
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@ -106,6 +106,7 @@ void parse_dns_response(const struct arguments *args, const struct udp_session *
} }
} }
int32_t aoff = off;
for (int a = 0; a < acount; a++) { for (int a = 0; a < acount; a++) {
off = get_qname(data, *datalen, (uint16_t) off, name); off = get_qname(data, *datalen, (uint16_t) off, name);
if (off > 0 && off + 10 <= *datalen) { if (off > 0 && off + 10 <= *datalen) {
@ -165,7 +166,7 @@ void parse_dns_response(const struct arguments *args, const struct udp_session *
dns->ans_count = 0; dns->ans_count = 0;
dns->auth_count = 0; dns->auth_count = 0;
dns->add_count = 0; dns->add_count = 0;
*datalen = sizeof(struct dns_header); *datalen = aoff;
char source[INET6_ADDRSTRLEN + 1]; char source[INET6_ADDRSTRLEN + 1];
char dest[INET6_ADDRSTRLEN + 1]; char dest[INET6_ADDRSTRLEN + 1];