STRUCT LANDLOCK_ID(9)

💅 struct landlock_id(9) 🦋

okay so bestie, this is the Kernel API Manual page for struct landlock_id — the little struct that’s the unique rule identifier for a ruleset. no cap, that’s the whole vibe. 💖

🏷️ NAME

struct landlock_id - Unique rule identifier for a ruleset

✨ SYNOPSIS

struct landlock_id {
    union landlock_key key;
    const enum landlock_key_type type;
 };

🎀 Members

• key — Identifies either a kernel object (e.g. an inode) or a raw value (e.g. a TCP port). literally the “what is this thing?” part.
• type — Type of a landlock_ruleset’s root tree. highkey tells you which tree we’re talking about.

🔎 SEE ALSO

The kernel file ./security/landlock/ruleset.h is the main character here, and it points you at:

• struct landlock_layer(9)
• union landlock_key(9)
• enum landlock_key_type(9)
• struct landlock_rule(9)
• struct landlock_rules(9)
• struct landlock_ruleset(9)
• landlock_get_rule_root(9)

mwah 💋 source/version: ./security/landlock; date: October 2026; page: struct landlock_id(9). that’s the whole manual page, bestie — slay. 🫶