OpenDNSSEC-signer
1.4.3
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#include "config.h"
#include "shared/allocator.h"
#include "shared/log.h"
#include "shared/status.h"
#include <ldns/ldns.h>
#include <stdint.h>
Go to the source code of this file.
Data Structures | |
struct | buffer_struct |
Macros | |
#define | BUFFER_PKT_HEADER_SIZE 12 |
#define | MAXDOMAINLEN 255 |
#define | MAX_RDLENGTH 65535 |
#define | MAX_RR_SIZE (MAXDOMAINLEN + sizeof(uint32_t) + 4*sizeof(uint16_t) + MAX_RDLENGTH) |
#define | MAX_PACKET_SIZE 65535 |
#define | PACKET_BUFFER_SIZE (MAX_PACKET_SIZE + MAX_RR_SIZE) |
#define | QR_MASK 0x80U |
#define | QR_SHIFT 7 |
#define | QR(packet) (*buffer_at((packet), 2) & QR_MASK) |
#define | QR_SET(packet) (*buffer_at((packet), 2) |= QR_MASK) |
#define | QR_CLR(packet) (*buffer_at((packet), 2) &= ~QR_MASK) |
#define | OPCODE_MASK 0x78U |
#define | OPCODE_SHIFT 3 |
#define | OPCODE(packet) ((*buffer_at((packet), 2) & OPCODE_MASK) >> OPCODE_SHIFT) |
#define | OPCODE_SET(packet, opcode) (*buffer_at((packet), 2) = (*buffer_at((packet), 2) & ~OPCODE_MASK) | ((opcode) << OPCODE_SHIFT)) |
#define | AA_MASK 0x04U |
#define | AA_SHIFT 2 |
#define | AA(packet) (*buffer_at((packet), 2) & AA_MASK) |
#define | AA_SET(packet) (*buffer_at((packet), 2) |= AA_MASK) |
#define | AA_CLR(packet) (*buffer_at((packet), 2) &= ~AA_MASK) |
#define | TC_MASK 0x02U |
#define | TC_SHIFT 1 |
#define | TC(packet) (*buffer_at((packet), 2) & TC_MASK) |
#define | TC_SET(packet) (*buffer_at((packet), 2) |= TC_MASK) |
#define | TC_CLR(packet) (*buffer_at((packet), 2) &= ~TC_MASK) |
#define | RD_MASK 0x01U |
#define | RD_SHIFT 0 |
#define | RD(packet) (*buffer_at((packet), 2) & RD_MASK) |
#define | RD_SET(packet) (*buffer_at((packet), 2) |= RD_MASK) |
#define | RD_CLR(packet) (*buffer_at((packet), 2) &= ~RD_MASK) |
#define | RA_MASK 0x80U |
#define | RA_SHIFT 7 |
#define | RA(packet) (*buffer_at((packet), 3) & RA_MASK) |
#define | RA_SET(packet) (*buffer_at((packet), 3) |= RA_MASK) |
#define | RA_CLR(packet) (*buffer_at((packet), 3) &= ~RA_MASK) |
#define | AD_MASK 0x20U |
#define | AD_SHIFT 5 |
#define | AD(packet) (*buffer_at((packet), 3) & AD_MASK) |
#define | AD_SET(packet) (*buffer_at((packet), 3) |= AD_MASK) |
#define | AD_CLR(packet) (*buffer_at((packet), 3) &= ~AD_MASK) |
#define | CD_MASK 0x10U |
#define | CD_SHIFT 4 |
#define | CD(packet) (*buffer_at((packet), 3) & CD_MASK) |
#define | CD_SET(packet) (*buffer_at((packet), 3) |= CD_MASK) |
#define | CD_CLR(packet) (*buffer_at((packet), 3) &= ~CD_MASK) |
#define | RCODE_MASK 0x0fU |
#define | RCODE_SHIFT 0 |
#define | RCODE(packet) (*buffer_at((packet), 3) & RCODE_MASK) |
#define | RCODE_SET(packet, rcode) (*buffer_at((packet), 3) = (*buffer_at((packet), 3) & ~RCODE_MASK) | (rcode)) |
Typedefs | |
typedef struct buffer_struct | buffer_type |
Functions | |
buffer_type * | buffer_create (allocator_type *allocator, size_t capacity) |
void | buffer_create_from (buffer_type *buffer, void *data, size_t size) |
void | buffer_clear (buffer_type *buffer) |
void | buffer_flip (buffer_type *buffer) |
void | buffer_rewind (buffer_type *buffer) |
size_t | buffer_position (buffer_type *buffer) |
void | buffer_set_position (buffer_type *buffer, size_t pos) |
void | buffer_skip (buffer_type *buffer, ssize_t count) |
int | buffer_skip_dname (buffer_type *buffer) |
int | buffer_skip_rr (buffer_type *buffer, unsigned qrr) |
size_t | buffer_limit (buffer_type *buffer) |
void | buffer_set_limit (buffer_type *buffer, size_t limit) |
size_t | buffer_capacity (buffer_type *buffer) |
uint8_t * | buffer_at (buffer_type *buffer, size_t at) |
uint8_t * | buffer_begin (buffer_type *buffer) |
uint8_t * | buffer_end (buffer_type *buffer) |
uint8_t * | buffer_current (buffer_type *buffer) |
size_t | buffer_remaining (buffer_type *buffer) |
int | buffer_available (buffer_type *buffer, size_t count) |
void | buffer_write (buffer_type *buffer, const void *data, size_t count) |
void | buffer_write_u8 (buffer_type *buffer, uint8_t data) |
void | buffer_write_u16 (buffer_type *buffer, uint16_t data) |
void | buffer_write_u16_at (buffer_type *buffer, size_t at, uint16_t data) |
void | buffer_write_u32 (buffer_type *buffer, uint32_t data) |
void | buffer_write_rdf (buffer_type *buffer, ldns_rdf *rdf) |
int | buffer_write_rr (buffer_type *buffer, ldns_rr *rr) |
void | buffer_read (buffer_type *buffer, void *data, size_t count) |
uint8_t | buffer_read_u8 (buffer_type *buffer) |
uint16_t | buffer_read_u16 (buffer_type *buffer) |
uint32_t | buffer_read_u32 (buffer_type *buffer) |
size_t | buffer_read_dname (buffer_type *buffer, uint8_t *dname, unsigned allow_pointers) |
uint16_t | buffer_pkt_id (buffer_type *buffer) |
void | buffer_pkt_set_random_id (buffer_type *buffer) |
uint16_t | buffer_pkt_flags (buffer_type *buffer) |
void | buffer_pkt_set_flags (buffer_type *buffer, uint16_t flags) |
int | buffer_pkt_qr (buffer_type *buffer) |
void | buffer_pkt_set_qr (buffer_type *buffer) |
void | buffer_pkt_clear_qr (buffer_type *buffer) |
int | buffer_pkt_aa (buffer_type *buffer) |
void | buffer_pkt_set_aa (buffer_type *buffer) |
int | buffer_pkt_tc (buffer_type *buffer) |
int | buffer_pkt_rd (buffer_type *buffer) |
int | buffer_pkt_ra (buffer_type *buffer) |
int | buffer_pkt_ad (buffer_type *buffer) |
int | buffer_pkt_cd (buffer_type *buffer) |
ldns_pkt_opcode | buffer_pkt_opcode (buffer_type *buffer) |
void | buffer_pkt_set_opcode (buffer_type *buffer, ldns_pkt_opcode opcode) |
ldns_pkt_rcode | buffer_pkt_rcode (buffer_type *buffer) |
void | buffer_pkt_set_rcode (buffer_type *buffer, ldns_pkt_rcode rcode) |
const char * | buffer_rcode2str (ldns_pkt_rcode rcode) |
uint16_t | buffer_pkt_qdcount (buffer_type *buffer) |
void | buffer_pkt_set_qdcount (buffer_type *buffer, uint16_t count) |
uint16_t | buffer_pkt_ancount (buffer_type *buffer) |
void | buffer_pkt_set_ancount (buffer_type *buffer, uint16_t count) |
uint16_t | buffer_pkt_nscount (buffer_type *buffer) |
void | buffer_pkt_set_nscount (buffer_type *buffer, uint16_t count) |
uint16_t | buffer_pkt_arcount (buffer_type *buffer) |
void | buffer_pkt_set_arcount (buffer_type *buffer, uint16_t count) |
void | buffer_pkt_query (buffer_type *buffer, ldns_rdf *qname, ldns_rr_type qtype, ldns_rr_class qclass) |
void | buffer_pkt_notify (buffer_type *buffer, ldns_rdf *qname, ldns_rr_class qclass) |
void | buffer_pkt_axfr (buffer_type *buffer, ldns_rdf *qname, ldns_rr_class qclass) |
void | buffer_pkt_print (FILE *fd, buffer_type *buffer) |
void | buffer_cleanup (buffer_type *buffer, allocator_type *allocator) |
Variables | |
ods_lookup_table | ods_rcode_str [] |
Definition at line 67 of file buffer.h.
Referenced by buffer_pkt_aa().
Definition at line 68 of file buffer.h.
Referenced by buffer_pkt_set_aa().
Definition at line 91 of file buffer.h.
Referenced by buffer_pkt_ad().
#define BUFFER_PKT_HEADER_SIZE 12 |
Packet buffer.
Definition at line 45 of file buffer.h.
Referenced by axfr(), ixfr(), query_process(), and tsig_rr_find().
Definition at line 97 of file buffer.h.
Referenced by buffer_pkt_cd().
#define MAX_PACKET_SIZE 65535 |
Definition at line 50 of file buffer.h.
Referenced by buffer_read_dname().
#define MAX_RR_SIZE (MAXDOMAINLEN + sizeof(uint32_t) + 4*sizeof(uint16_t) + MAX_RDLENGTH) |
#define MAXDOMAINLEN 255 |
Definition at line 46 of file buffer.h.
Referenced by buffer_read_dname().
#define OPCODE | ( | packet | ) | ((*buffer_at((packet), 2) & OPCODE_MASK) >> OPCODE_SHIFT) |
Definition at line 61 of file buffer.h.
Referenced by buffer_pkt_opcode().
#define OPCODE_SET | ( | packet, | |
opcode | |||
) | (*buffer_at((packet), 2) = (*buffer_at((packet), 2) & ~OPCODE_MASK) | ((opcode) << OPCODE_SHIFT)) |
Definition at line 62 of file buffer.h.
Referenced by buffer_pkt_set_opcode().
#define PACKET_BUFFER_SIZE (MAX_PACKET_SIZE + MAX_RR_SIZE) |
Definition at line 51 of file buffer.h.
Referenced by query_create(), tcp_conn_create(), and xfrhandler_create().
Definition at line 55 of file buffer.h.
Referenced by buffer_pkt_qr().
Definition at line 57 of file buffer.h.
Referenced by buffer_pkt_clear_qr().
Definition at line 56 of file buffer.h.
Referenced by buffer_pkt_set_qr().
Definition at line 85 of file buffer.h.
Referenced by buffer_pkt_ra().
#define RCODE | ( | packet | ) | (*buffer_at((packet), 3) & RCODE_MASK) |
Definition at line 103 of file buffer.h.
Referenced by buffer_pkt_rcode().
#define RCODE_SET | ( | packet, | |
rcode | |||
) | (*buffer_at((packet), 3) = (*buffer_at((packet), 3) & ~RCODE_MASK) | (rcode)) |
Definition at line 104 of file buffer.h.
Referenced by buffer_pkt_set_rcode().
Definition at line 79 of file buffer.h.
Referenced by buffer_pkt_rd().
Definition at line 73 of file buffer.h.
Referenced by buffer_pkt_tc().
typedef struct buffer_struct buffer_type |
uint8_t* buffer_at | ( | buffer_type * | buffer, |
size_t | at | ||
) |
Return a pointer to the data at the indicated position.
[in] | buffer | buffer |
[in] | at | indicated position |
Return a pointer to the data at the indicated position.
Definition at line 454 of file buffer.c.
References buffer_struct::data, and ods_log_assert.
Referenced by buffer_begin(), buffer_current(), buffer_end(), and tsig_rr_update().
int buffer_available | ( | buffer_type * | buffer, |
size_t | count | ||
) |
Check if the buffer has enough bytes available.
[in] | buffer | buffer |
[in] | count | number of bytes that needs to be available |
Check if the buffer has enough bytes available.
Definition at line 540 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by buffer_read(), buffer_read_dname(), buffer_skip_dname(), buffer_skip_rr(), buffer_write(), buffer_write_rr(), edns_rr_parse(), query_add_rr(), and tsig_rr_parse().
uint8_t* buffer_begin | ( | buffer_type * | buffer | ) |
Return a pointer to the data at the beginning of the buffer.
[in] | buffer | buffer |
Return a pointer to the data at the beginning of the buffer.
Definition at line 467 of file buffer.c.
References buffer_at(), and ods_log_assert.
Referenced by buffer_pkt_print(), and sock_handle_udp().
size_t buffer_capacity | ( | buffer_type * | buffer | ) |
Get the buffer's capacity.
[in] | buffer | buffer |
Get the buffer's capacity.
Definition at line 442 of file buffer.c.
References buffer_struct::capacity, and ods_log_assert.
Referenced by query_prepare(), and tcp_conn_read().
void buffer_cleanup | ( | buffer_type * | buffer, |
allocator_type * | allocator | ||
) |
Clean up buffer.
[in] | buffer | buffer |
[in] | allocator | memory allocator |
Clean up buffer.
Definition at line 1263 of file buffer.c.
References allocator_deallocate(), and buffer_struct::data.
Referenced by query_cleanup(), and xfrhandler_cleanup().
void buffer_clear | ( | buffer_type * | buffer | ) |
Clear the buffer and make it ready for writing. The buffer's limit is set to the capacity and the position is set to 0.
[in] | buffer | buffer |
Clear the buffer and make it ready for writing.
Definition at line 121 of file buffer.c.
References buffer_struct::capacity, buffer_struct::limit, ods_log_assert, and buffer_struct::position.
Referenced by query_prepare(), query_reset(), sock_handle_tcp_write(), and tcp_conn_ready().
buffer_type* buffer_create | ( | allocator_type * | allocator, |
size_t | capacity | ||
) |
Create a new buffer with the specified capacity.
[in] | allocator | memory allocator |
[in] | capacity | specified capacity |
Create a new buffer with the specified capacity.
Definition at line 80 of file buffer.c.
References allocator_alloc(), buffer_struct::capacity, buffer_struct::data, buffer_struct::fixed, buffer_struct::limit, and buffer_struct::position.
Referenced by query_create(), tcp_conn_create(), and xfrhandler_create().
void buffer_create_from | ( | buffer_type * | buffer, |
void * | data, | ||
size_t | size | ||
) |
Create a buffer with the specified data. The data is not copied and no memory allocations are done. The buffer is fixed and cannot be resized using buffer_reserve().
[in] | buffer | buffer |
[in] | data | specified data |
[in] | size | size of data |
Create a buffer with the specified data.
Definition at line 104 of file buffer.c.
References buffer_struct::capacity, buffer_struct::data, buffer_struct::fixed, buffer_struct::limit, ods_log_assert, and buffer_struct::position.
uint8_t* buffer_current | ( | buffer_type * | buffer | ) |
Return a pointer to the data at the buffer's current position.
[in] | buffer | buffer |
Return a pointer to the data at the buffer's current position.
Definition at line 491 of file buffer.c.
References buffer_at(), ods_log_assert, and buffer_struct::position.
Referenced by buffer_read_dname(), query_process(), sock_handle_tcp_read(), sock_handle_tcp_write(), tcp_conn_read(), tcp_conn_write(), and tsig_rr_parse().
uint8_t* buffer_end | ( | buffer_type * | buffer | ) |
Return a pointer to the data at the end of the buffer.
[in] | buffer | buffer |
Return a pointer to the data at the end of the buffer.
Definition at line 479 of file buffer.c.
References buffer_at(), buffer_struct::limit, and ods_log_assert.
void buffer_flip | ( | buffer_type * | buffer | ) |
Flip the buffer and make it ready for reading. The data that has been written to the buffer. The buffer's limit is set to the current position and the position is set to 0.
[in] | buffer | buffer |
Flip the buffer and make it ready for reading.
Definition at line 135 of file buffer.c.
References buffer_struct::limit, ods_log_assert, and buffer_struct::position.
Referenced by notify_send(), sock_handle_tcp_read(), sock_handle_tcp_write(), and sock_handle_udp().
size_t buffer_limit | ( | buffer_type * | buffer | ) |
Get the buffer's limit.
[in] | buffer | buffer |
Get the buffer's limit.
Definition at line 413 of file buffer.c.
References buffer_struct::limit, and ods_log_assert.
Referenced by buffer_read_dname(), query_prepare(), query_process(), and tsig_rr_update().
int buffer_pkt_aa | ( | buffer_type * | buffer | ) |
Get AA bit from buffer.
[in] | buffer | buffer |
Get AA bit from buffer.
Definition at line 937 of file buffer.c.
References AA, and ods_log_assert.
int buffer_pkt_ad | ( | buffer_type * | buffer | ) |
Get AD bit from buffer.
[in] | buffer | buffer |
Get AD bit from buffer.
Definition at line 998 of file buffer.c.
References AD, and ods_log_assert.
uint16_t buffer_pkt_ancount | ( | buffer_type * | buffer | ) |
Get ANCOUNT from buffer.
[in] | buffer | buffer |
Get ANCOUNT from buffer.
Definition at line 1088 of file buffer.c.
References ods_log_assert.
Referenced by axfr(), ixfr(), soa_request(), and tsig_rr_find().
uint16_t buffer_pkt_arcount | ( | buffer_type * | buffer | ) |
Get ARCOUNT from buffer.
[in] | buffer | buffer |
Get ARCOUNT from buffer.
Definition at line 1138 of file buffer.c.
References ods_log_assert.
Referenced by query_add_optional(), and tsig_rr_find().
void buffer_pkt_axfr | ( | buffer_type * | buffer, |
ldns_rdf * | qname, | ||
ldns_rr_class | qclass | ||
) |
Make a new axfr.
[in] | buffer | buffer |
[in] | qname | qname |
[in] | qclass | qclass |
Make a new axfr.
Definition at line 1221 of file buffer.c.
References buffer_pkt_set_qr().
int buffer_pkt_cd | ( | buffer_type * | buffer | ) |
Get CD bit from buffer.
[in] | buffer | buffer |
Get CD bit from buffer.
Definition at line 1010 of file buffer.c.
References CD, and ods_log_assert.
void buffer_pkt_clear_qr | ( | buffer_type * | buffer | ) |
Clear QR bit in buffer.
[in] | buffer | buffer |
Clear QR bit in buffer.
Definition at line 899 of file buffer.c.
References ods_log_assert, and QR_CLR.
uint16_t buffer_pkt_flags | ( | buffer_type * | buffer | ) |
Get flags from buffer.
[in] | buffer | buffer |
Get flags from buffer.
Definition at line 849 of file buffer.c.
References ods_log_assert.
Referenced by query_prepare().
uint16_t buffer_pkt_id | ( | buffer_type * | buffer | ) |
Get query id from buffer.
[in] | buffer | buffer |
Get query id from buffer.
Definition at line 813 of file buffer.c.
References ods_log_assert.
Referenced by notify_send().
void buffer_pkt_notify | ( | buffer_type * | buffer, |
ldns_rdf * | qname, | ||
ldns_rr_class | qclass | ||
) |
Make a new notify.
[in] | buffer | buffer |
[in] | qname | qname |
[in] | qclass | qclass |
Make a new notify.
Definition at line 1208 of file buffer.c.
Referenced by notify_send().
uint16_t buffer_pkt_nscount | ( | buffer_type * | buffer | ) |
Get NSCOUNT from buffer.
[in] | buffer | buffer |
Get NSCOUNT from buffer.
Definition at line 1113 of file buffer.c.
References ods_log_assert.
Referenced by tsig_rr_find().
ldns_pkt_opcode buffer_pkt_opcode | ( | buffer_type * | buffer | ) |
Get OPCODE from buffer.
[in] | buffer | buffer |
Get OPCODE from buffer.
Definition at line 912 of file buffer.c.
References ods_log_assert, and OPCODE.
void buffer_pkt_print | ( | FILE * | fd, |
buffer_type * | buffer | ||
) |
Print packet buffer.
[in] | fd | file descriptor |
[in] | buffer | buffer |
Print packet buffer.
Definition at line 1235 of file buffer.c.
References buffer_begin(), buffer_remaining(), and ods_log_assert.
uint16_t buffer_pkt_qdcount | ( | buffer_type * | buffer | ) |
Get QDCOUNT from buffer.
[in] | buffer | buffer |
Get QDCOUNT from buffer.
Definition at line 1063 of file buffer.c.
References ods_log_assert.
Referenced by tsig_rr_find().
int buffer_pkt_qr | ( | buffer_type * | buffer | ) |
Get QR bit from buffer.
[in] | buffer | buffer |
Get QR bit from buffer.
Definition at line 874 of file buffer.c.
References ods_log_assert, and QR.
Referenced by query_process(), and tsig_rr_update().
void buffer_pkt_query | ( | buffer_type * | buffer, |
ldns_rdf * | qname, | ||
ldns_rr_type | qtype, | ||
ldns_rr_class | qclass | ||
) |
Make a new query.
[in] | buffer | buffer |
[in] | qname | qname |
[in] | qtype | qtype |
[in] | qclass | qclass |
Make a new query.
Definition at line 1194 of file buffer.c.
References buffer_pkt_set_flags().
int buffer_pkt_ra | ( | buffer_type * | buffer | ) |
Get RA bit from buffer.
[in] | buffer | buffer |
Get RA bit from buffer.
Definition at line 986 of file buffer.c.
References ods_log_assert, and RA.
ldns_pkt_rcode buffer_pkt_rcode | ( | buffer_type * | buffer | ) |
Get RCODE from buffer.
[in] | buffer | buffer |
Get RCODE from buffer.
Definition at line 1022 of file buffer.c.
References ods_log_assert, and RCODE.
int buffer_pkt_rd | ( | buffer_type * | buffer | ) |
Get RD bit from buffer.
[in] | buffer | buffer |
Get RD bit from buffer.
Definition at line 974 of file buffer.c.
References ods_log_assert, and RD.
void buffer_pkt_set_aa | ( | buffer_type * | buffer | ) |
Set AA bit in buffer.
[in] | buffer | buffer |
Set AA bit in buffer.
Definition at line 949 of file buffer.c.
References AA_SET, and ods_log_assert.
Referenced by notify_send(), and soa_request().
void buffer_pkt_set_ancount | ( | buffer_type * | buffer, |
uint16_t | count | ||
) |
Set ANCOUNT in buffer.
[in] | buffer | buffer |
[in] | count | ANCOUNT |
Set ANCOUNT in buffer.
Definition at line 1100 of file buffer.c.
References buffer_write_u16_at(), and ods_log_assert.
Referenced by axfr(), ixfr(), notify_send(), and soa_request().
void buffer_pkt_set_arcount | ( | buffer_type * | buffer, |
uint16_t | count | ||
) |
Set ARCOUNT in buffer.
[in] | buffer | buffer |
[in] | count | ARCOUNT |
Set ARCOUNT in buffer.
Definition at line 1150 of file buffer.c.
References buffer_write_u16_at(), and ods_log_assert.
Referenced by axfr(), ixfr(), query_add_optional(), and soa_request().
void buffer_pkt_set_flags | ( | buffer_type * | buffer, |
uint16_t | flags | ||
) |
Set flags in buffer.
[in] | buffer | buffer |
[in] | flags | flags |
Set flags in buffer.
Definition at line 861 of file buffer.c.
References buffer_write_u16_at(), and ods_log_assert.
Referenced by buffer_pkt_query(), and query_prepare().
void buffer_pkt_set_nscount | ( | buffer_type * | buffer, |
uint16_t | count | ||
) |
Set NSCOUNT in buffer.
[in] | buffer | buffer |
[in] | count | NSCOUNT |
Set NSCOUNT in buffer.
Definition at line 1125 of file buffer.c.
References buffer_write_u16_at(), and ods_log_assert.
Referenced by axfr(), ixfr(), and soa_request().
void buffer_pkt_set_opcode | ( | buffer_type * | buffer, |
ldns_pkt_opcode | opcode | ||
) |
Set OPCODE in buffer.
[in] | buffer | buffer |
[in] | opcode | OPCODE |
Set OPCODE in buffer.
Definition at line 924 of file buffer.c.
References ods_log_assert, and OPCODE_SET.
void buffer_pkt_set_qdcount | ( | buffer_type * | buffer, |
uint16_t | count | ||
) |
Set QDCOUNT in buffer.
[in] | buffer | buffer |
[in] | count | QDCOUNT |
Set QDCOUNT in buffer.
Definition at line 1075 of file buffer.c.
References buffer_write_u16_at(), and ods_log_assert.
void buffer_pkt_set_qr | ( | buffer_type * | buffer | ) |
Set QR bit in buffer.
[in] | buffer | buffer |
Set QR bit in buffer.
Definition at line 886 of file buffer.c.
References ods_log_assert, and QR_SET.
Referenced by buffer_pkt_axfr().
void buffer_pkt_set_random_id | ( | buffer_type * | buffer | ) |
Set random query id in buffer.
[in] | buffer | buffer |
Set random query id in buffer.
Definition at line 834 of file buffer.c.
References buffer_write_u16_at(), and ods_log_assert.
void buffer_pkt_set_rcode | ( | buffer_type * | buffer, |
ldns_pkt_rcode | rcode | ||
) |
Set RCODE in buffer.
[in] | buffer | buffer |
[in] | rcode | RCODE |
Set RCODE in buffer.
Definition at line 1034 of file buffer.c.
References ods_log_assert, and RCODE_SET.
Referenced by axfr(), ixfr(), and soa_request().
int buffer_pkt_tc | ( | buffer_type * | buffer | ) |
Get TC bit from buffer.
[in] | buffer | buffer |
Get TC bit from buffer.
Definition at line 962 of file buffer.c.
References ods_log_assert, and TC.
size_t buffer_position | ( | buffer_type * | buffer | ) |
Get the buffer's position.
[in] | buffer | buffer |
Get the buffer's position.
Definition at line 162 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by axfr(), buffer_read_dname(), buffer_write_rr(), edns_rr_parse(), ixfr(), query_add_optional(), query_add_rr(), sock_handle_tcp_read(), tcp_conn_read(), tsig_rr_append(), tsig_rr_find(), and tsig_rr_parse().
const char* buffer_rcode2str | ( | ldns_pkt_rcode | rcode | ) |
Look up a descriptive text by each rcode.
[in] | rcode | rcode |
Look up a descriptive text by each rcode.
Definition at line 1047 of file buffer.c.
References ods_struct_lookup_table::name, and ods_lookup_by_id().
void buffer_read | ( | buffer_type * | buffer, |
void * | data, | ||
size_t | count | ||
) |
Read from buffer.
[in] | buffer | buffer |
[in] | data | read data |
[in] | count | number of bytes to read |
Read from buffer.
Definition at line 753 of file buffer.c.
References buffer_available(), buffer_struct::data, ods_log_assert, and buffer_struct::position.
Referenced by buffer_read_dname().
size_t buffer_read_dname | ( | buffer_type * | buffer, |
uint8_t * | dname, | ||
unsigned | allow_pointers | ||
) |
Read dname from buffer.
[in] | buffer | buffer |
[out] | dname | dname |
[in] | allow_pointers | allow pointer labels |
Read dname from buffer.
Definition at line 286 of file buffer.c.
References buffer_available(), buffer_current(), buffer_limit(), buffer_position(), buffer_read(), buffer_set_position(), buffer_skip(), MAX_PACKET_SIZE, MAXDOMAINLEN, ods_log_assert, and ods_log_error().
uint16_t buffer_read_u16 | ( | buffer_type * | buffer | ) |
Read uint16_t from buffer.
[in] | buffer | buffer |
Read uint16_t from buffer.
Definition at line 783 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by buffer_skip_rr(), edns_rr_parse(), and tsig_rr_parse().
uint32_t buffer_read_u32 | ( | buffer_type * | buffer | ) |
Read uint32_t from buffer.
[in] | buffer | buffer |
Read uint32_t from buffer.
Definition at line 798 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by tsig_rr_parse().
uint8_t buffer_read_u8 | ( | buffer_type * | buffer | ) |
Read uint8_t from buffer.
[in] | buffer | buffer |
Read uint8_t from buffer.
Definition at line 768 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by buffer_skip_dname(), and edns_rr_parse().
size_t buffer_remaining | ( | buffer_type * | buffer | ) |
The number of bytes remaining between the buffer's position and limit.
[in] | buffer | buffer |
The number of bytes remaining between the buffer's position and limit.
Definition at line 516 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by buffer_pkt_print(), query_process(), sock_handle_tcp_read(), sock_handle_tcp_write(), sock_handle_udp(), tcp_conn_read(), and tcp_conn_write().
void buffer_rewind | ( | buffer_type * | buffer | ) |
Make the buffer ready for re-reading the data. The buffer's position is reset to 0.
[in] | buffer | buffer |
Make the buffer ready for re-reading the data.
Definition at line 149 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
void buffer_set_limit | ( | buffer_type * | buffer, |
size_t | limit | ||
) |
Set the buffer's limit. If the buffer's position is greater than the new limit, the position is set to the limit.
[in] | buffer | buffer |
[in] | limit | limit |
Set the buffer's limit.
Definition at line 425 of file buffer.c.
References buffer_struct::limit, ods_log_assert, and buffer_struct::position.
Referenced by axfr(), ixfr(), query_prepare(), sock_handle_tcp_read(), and tcp_conn_read().
void buffer_set_position | ( | buffer_type * | buffer, |
size_t | pos | ||
) |
Set the buffer's position. The position must be less than or equal to the buffer's limit.
[in] | buffer | buffer |
[in] | pos | position |
Set the buffer's position.
Definition at line 174 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by axfr(), buffer_read_dname(), buffer_write_rr(), edns_rr_parse(), ixfr(), query_add_rr(), query_prepare(), tsig_rr_find(), and tsig_rr_parse().
void buffer_skip | ( | buffer_type * | buffer, |
ssize_t | count | ||
) |
Change the buffer's position. The position must not be moved behind the buffer's limit or before the beginning of the buffer.
[in] | buffer | buffer |
[in] | count | number of bytes to skip |
Change the buffer's position.
Definition at line 188 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by buffer_read_dname(), buffer_skip_dname(), buffer_skip_rr(), buffer_write_rr(), query_add_rr(), sock_handle_tcp_read(), sock_handle_tcp_write(), sock_handle_udp(), tcp_conn_read(), tcp_conn_write(), tsig_rr_append(), and tsig_rr_parse().
int buffer_skip_dname | ( | buffer_type * | buffer | ) |
Change the buffer's position so that one dname is skipped.
[in] | buffer | buffer |
Change the buffer's position so that one dname is skipped.
Definition at line 350 of file buffer.c.
References buffer_available(), buffer_read_u8(), buffer_skip(), and ods_log_assert.
Referenced by buffer_skip_rr(), and tsig_rr_parse().
int buffer_skip_rr | ( | buffer_type * | buffer, |
unsigned | qrr | ||
) |
Change the buffer's position so that one RR is skipped.
[in] | buffer | buffer |
[in] | qrr | 1 if we skip RRs in the question section. |
Change the buffer's position so that one RR is skipped.
Definition at line 382 of file buffer.c.
References buffer_available(), buffer_read_u16(), buffer_skip(), and buffer_skip_dname().
Referenced by tsig_rr_find().
void buffer_write | ( | buffer_type * | buffer, |
const void * | data, | ||
size_t | count | ||
) |
Write to buffer.
[in] | buffer | buffer |
[in] | data | data to write |
[in] | count | number of bytes to write |
Write to buffer.
Definition at line 594 of file buffer.c.
References buffer_available(), buffer_struct::data, ods_log_assert, and buffer_struct::position.
Referenced by buffer_write_rdf(), query_add_optional(), and tsig_rr_append().
void buffer_write_rdf | ( | buffer_type * | buffer, |
ldns_rdf * | rdf | ||
) |
Write rdf to buffer.
[in] | buffer | buffer |
[in] | rdf | data to write |
Write rdf to buffer.
Definition at line 651 of file buffer.c.
References buffer_write(), and ods_log_assert.
Referenced by buffer_write_rr(), query_add_rr(), and tsig_rr_append().
int buffer_write_rr | ( | buffer_type * | buffer, |
ldns_rr * | rr | ||
) |
Write rr to buffer.
[in] | buffer | buffer |
[in] | rr | data to write |
Write rr to buffer.
Definition at line 666 of file buffer.c.
References buffer_available(), buffer_position(), buffer_set_position(), buffer_skip(), buffer_write_rdf(), buffer_write_u16(), buffer_write_u16_at(), buffer_write_u32(), and ods_log_assert.
Referenced by notify_send().
void buffer_write_u16 | ( | buffer_type * | buffer, |
uint16_t | data | ||
) |
Write uint16_t to buffer.
[in] | buffer | buffer |
[in] | data | data to write |
Write uint16_t to buffer.
Definition at line 623 of file buffer.c.
References buffer_write_u16_at(), ods_log_assert, and buffer_struct::position.
Referenced by buffer_write_rr(), query_add_rr(), and tsig_rr_append().
void buffer_write_u16_at | ( | buffer_type * | buffer, |
size_t | at, | ||
uint16_t | data | ||
) |
Write uint16_t to buffer at indicated position.
[in] | buffer | buffer |
[in] | at | indicated position |
[in] | data | data to write |
Write to buffer at indicated position.
Definition at line 566 of file buffer.c.
References buffer_struct::data, and ods_log_assert.
Referenced by buffer_pkt_set_ancount(), buffer_pkt_set_arcount(), buffer_pkt_set_flags(), buffer_pkt_set_nscount(), buffer_pkt_set_qdcount(), buffer_pkt_set_random_id(), buffer_write_rr(), buffer_write_u16(), query_add_rr(), and tsig_rr_append().
void buffer_write_u32 | ( | buffer_type * | buffer, |
uint32_t | data | ||
) |
Write uint32_t to buffer.
[in] | buffer | buffer |
[in] | data | data to write |
Write uint32_t to buffer.
Definition at line 637 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by buffer_write_rr(), query_add_rr(), and tsig_rr_append().
void buffer_write_u8 | ( | buffer_type * | buffer, |
uint8_t | data | ||
) |
Write uint8_t to buffer.
[in] | buffer | buffer |
[in] | data | data to write |
Write uint8_t to buffer.
Definition at line 609 of file buffer.c.
References ods_log_assert, and buffer_struct::position.
Referenced by tsig_rr_append().
ods_lookup_table ods_rcode_str[] |