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pull out struct types of complex rdata fields

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This commit is contained in:
Sven M. Hallberg 2013-01-15 22:34:15 +01:00
parent 9c10a75f3d
commit 4b30ebdb77
1 changed files with 53 additions and 41 deletions
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94
examples/dns.h
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@ -35,6 +35,43 @@ typedef struct dns_question {
uint16_t qclass;
} dns_question_t;
typedef struct {
uint8_t* cpu;
uint8_t* os;
} dns_rr_hinfo_t;
typedef struct {
char* rmailbx;
char* emailbx;
} dns_rr_minfo_t;
typedef struct {
uint16_t preference;
char* exchange;
} dns_rr_mx_t;
typedef struct {
char* mname;
char* rname;
uint32_t serial;
uint32_t refresh;
uint32_t retry;
uint32_t expire;
uint32_t minimum;
} dns_rr_soa_t;
typedef struct {
size_t count;
uint8_t** txt_data;
} dns_rr_txt_t;
typedef struct {
uint32_t address;
uint8_t protocol;
size_t len;
uint8_t* bit_map;
} dns_rr_wks_t;
typedef struct dns_rr {
char* name;
uint16_t type;
@ -42,47 +79,22 @@ typedef struct dns_rr {
uint32_t ttl; // cmos is also acceptable.
uint16_t rdlength;
union {
char* cname;
struct {
uint8_t* cpu;
uint8_t* os;
} hinfo;
char* mb;
char* md;
char* mf;
char* mg;
struct {
char* rmailbx;
char* emailbx;
} minfo;
char* mr;
struct {
uint16_t preference;
char* exchange;
} mx;
uint8_t* null;
char* ns;
char* ptr;
struct {
char* mname;
char* rname;
uint32_t serial;
uint32_t refresh;
uint32_t retry;
uint32_t expire;
uint32_t minimum;
} soa;
struct {
size_t count;
uint8_t** txt_data;
} txt;
uint32_t a;
struct {
uint32_t address;
uint8_t protocol;
size_t len;
uint8_t* bit_map;
} wks;
uint32_t a;
char* ns;
char* md;
char* mf;
char* cname;
dns_rr_soa_t soa;
char* mb;
char* mg;
char* mr;
uint8_t* null;
dns_rr_wks_t wks;
char* ptr;
dns_rr_hinfo_t hinfo;
dns_rr_minfo_t minfo;
dns_rr_mx_t mx;
dns_rr_txt_t txt;
};
} dns_rr_t;