ldns(3)

🌸 NAME 🌸

okay so bestie, this is the ldns(3) manual page, and it's literally all about the setter girlies — the functions that set attributes on an ldns_pkt 💖

Meet the whole squad (yes, all of them, no skips):

• ldns_pkt_set_flags
• ldns_pkt_set_id
• ldns_pkt_set_qr
• ldns_pkt_set_aa
• ldns_pkt_set_tc
• ldns_pkt_set_rd
• ldns_pkt_set_cd
• ldns_pkt_set_ra
• ldns_pkt_set_ad
• ldns_pkt_set_opcode
• ldns_pkt_set_rcode
• ldns_pkt_set_qdcount
• ldns_pkt_set_ancount
• ldns_pkt_set_nscount
• ldns_pkt_set_arcount
• ldns_pkt_set_answerfrom
• ldns_pkt_set_querytime
• ldns_pkt_set_size
• ldns_pkt_set_section_count
• ldns_pkt_set_tsig

…and their collective job is to set ldns_pkt attributes. That's it, that's the gig ✨

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✨ SYNOPSIS ✨

#include <stdint.h>
#include <stdbool.h>

#include <ldns/ldns.h>

bool ldns_pkt_set_flags(ldns_pkt *pkt, uint16_t flags);

void ldns_pkt_set_id(ldns_pkt *p, uint16_t id);

void ldns_pkt_set_qr(ldns_pkt *p, bool b);

void ldns_pkt_set_aa(ldns_pkt *p, bool b);

void ldns_pkt_set_tc(ldns_pkt *p, bool b);

void ldns_pkt_set_rd(ldns_pkt *p, bool b);

void ldns_pkt_set_cd(ldns_pkt *p, bool b);

void ldns_pkt_set_ra(ldns_pkt *p, bool b);

void ldns_pkt_set_ad(ldns_pkt *p, bool b);

void ldns_pkt_set_opcode(ldns_pkt *p, ldns_pkt_opcode c);

void ldns_pkt_set_rcode(ldns_pkt *p, uint8_t c);

void ldns_pkt_set_qdcount(ldns_pkt *p, uint16_t c);

void ldns_pkt_set_ancount(ldns_pkt *p, uint16_t c);

void ldns_pkt_set_nscount(ldns_pkt *p, uint16_t c);

void ldns_pkt_set_arcount(ldns_pkt *p, uint16_t c);

void ldns_pkt_set_answerfrom(ldns_pkt *p, ldns_rdf *r);

void ldns_pkt_set_querytime(ldns_pkt *p, uint32_t t);

void ldns_pkt_set_size(ldns_pkt *p, size_t s);

void ldns_pkt_set_section_count(ldns_pkt *p, ldns_pkt_section s, uint16_t x);

void ldns_pkt_set_tsig(ldns_pkt *p, ldns_rr *t);

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💅 DESCRIPTION 💅

okay so here's the thing, every single one of these takes a packet p (or pkt, she's quirky like that) and just… sets a thing on it. one job. iconic behavior. no notes. 🫶

ldns_pkt_set_flags()

sets the flags in a packet.

• pkt: the packet to operate on
• flags: ORed values: LDNS_QR| LDNS_AR for instance
• Returns true on success otherwise false

ldns_pkt_set_id()

Set the packet's id.

• p: the packet
• id: the id to set

ldns_pkt_set_qr()

Set the packet's qr bit.

• p: the packet
• b: the value to set (boolean)

ldns_pkt_set_aa()

Set the packet's aa bit.

• p: the packet
• b: the value to set (boolean)

ldns_pkt_set_tc()

Set the packet's tc bit.

• p: the packet
• b: the value to set (boolean)

ldns_pkt_set_rd()

Set the packet's rd bit.

• p: the packet
• b: the value to set (boolean)

ldns_pkt_set_cd()

Set the packet's cd bit.

• p: the packet
• b: the value to set (boolean)

ldns_pkt_set_ra()

Set the packet's ra bit.

• p: the packet
• b: the value to set (boolean)

ldns_pkt_set_ad()

Set the packet's ad bit.

• p: the packet
• b: the value to set (boolean)

ldns_pkt_set_opcode()

Set the packet's opcode.

• p: the packet
• c: the opcode

ldns_pkt_set_rcode()

Set the packet's response code.

• p: the packet
• c: the rcode

ldns_pkt_set_qdcount()

Set the packet's qd count.

• p: the packet
• c: the count

ldns_pkt_set_ancount()

Set the packet's an count.

• p: the packet
• c: the count

ldns_pkt_set_nscount()

Set the packet's ns count.

• p: the packet
• c: the count

ldns_pkt_set_arcount()

Set the packet's arcount.

• p: the packet
• c: the count

ldns_pkt_set_answerfrom()

Set the packet's answering server.

• p: the packet
• r: the address

ldns_pkt_set_querytime()

Set the packet's query time.

• p: the packet
• t: the querytime in msec

ldns_pkt_set_size()

Set the packet's size.

• p: the packet
• s: the size

ldns_pkt_set_section_count()

Set a packet's section count to x.

• p: the packet
• s: the section
• x: the section count

ldns_pkt_set_tsig()

Set the packet's tsig rr.

• p: the packet
• t: the tsig rr

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👑 AUTHOR 👑

The ldns team at NLnet Labs. absolute legends, fr fr 💜

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🐛 REPORTING BUGS 🐛

Found a bug? bestie please tell them, don't suffer in silence 😭

• email: dns-team@nlnetlabs.nl
• or on GitHub at https://github.com/NLnetLabs/ldns/issues

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📜 COPYRIGHT 📜

Copyright (c) 2004 - 2006 NLnet Labs.

Licensed under the BSD License.

There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 💀 she said no warranty and she MEANT it.

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🔍 SEE ALSO 🔍

• ldns_pkt
• And perldoc Net::DNS, RFC1034, RFC1035, RFC4033, RFC4034 and RFC4035.

go read them, iykyk 📚✨

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🎀 REMARKS 🎀

This manpage was automatically generated from the ldns source code. (not me being a bot-written queen, it's giving efficiency 💅)

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and that's the whole page bestie!! this was ldns(3) from the Library Functions Manual, dated 30 May 2006 — mwah, slay, periodt 🦋💖✨