read_policy(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

🌸 NAME 🌸

okay so bestie, this is read_policy(9) from the Kernel API Manual πŸ’– β€” the read handler for "ipe/policies/$name/policy". that's it, that's the name, periodt. πŸ‘‘


✨ SYNOPSIS ✨

here's the exact signature, slay it exactly β€” don't blink:

ssize_t read_policy (struct file *f , char __user *data , size_t len ,
loff_t *offset );

πŸŽ€ ARGUMENTS πŸŽ€

  • f β€” supplies a file structure representing the securityfs node. iconic.
  • data β€” supplies a buffer passed to the write syscall. yes, fr fr.
  • len β€” supplies the length of data.
  • offset β€” unused. that's the whole note, bestie.

πŸ¦‹ DESCRIPTION πŸ¦‹

on success, data will be populated with the plain-text version of the policy. literally it. πŸ’…


πŸ’– RETURN πŸ’–

  • Length of buffer written β€” Success ✨
  • -ENOENT β€” Policy initializing/deleted 😭

🌈 SEE ALSO 🌈

Kernel file ./security/ipe/policy_fs.c, plus struct ipefs_file(9), read_pkcs7(9), read_name(9), read_version(9), setactive(9), getactive(9), update_policy(9), delete_policy(9), ipe_del_policyfs_node(9), and ipe_new_policyfs_node(9). go read those too, iykyk πŸ‘‘


mwah πŸ’‹ this lil page comes from ./security/ipe, dated October 2026, and it's read_policy(9) β€” bye bestie! πŸŽ€

πŸ“¦ where this page comes from