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update

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This commit is contained in:
Nick Peng
2018-05-13 02:17:06 +08:00
parent 7ea212f03a
commit 092e5fff71
3 changed files with 402 additions and 350 deletions
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22
dns.h
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@@ -71,10 +71,10 @@ struct dns_head {
unsigned short id; // identification number
unsigned short qr; /* Query/Response Flag */
unsigned short opcode; /* Operation Code */
unsigned char aa; /* Authoritative Answer Flag */
unsigned char tc; /* Truncation Flag */
unsigned char rd; /* Recursion Desired */
unsigned char ra; /* Recursion Available */
unsigned char aa; /* Authoritative Answer Flag */
unsigned char tc; /* Truncation Flag */
unsigned char rd; /* Recursion Desired */
unsigned char ra; /* Recursion Available */
unsigned short rcode; /* Response Code */
unsigned short qdcount; // number of question entries
unsigned short ancount; // number of answer entries
@@ -100,6 +100,20 @@ struct dns_packet {
unsigned char data[0];
};
struct dns_data_context
{
unsigned char *data;
unsigned char *ptr;
unsigned int maxsize;
};
struct dns_context {
struct dns_packet *packet;
unsigned char *data;
unsigned int maxsize;
unsigned char *ptr;
};
struct dns_rrs *dns_get_rrs_next(struct dns_packet *packet, struct dns_rrs *rrs);
struct dns_rrs *dns_get_rrs_start(struct dns_packet *packet, int type, int *count);