ksmbd_decode...sp_auth_blob(9)
π ksmbd_decode_ntlmssp_auth_blob π
okay so this is a page straight out of the Kernel API Manual β section 9, tiny little corner of the kernel docs β and honestly? it's giving niche but iconic. it's all about decoding an NTLMSSP authenticate blob in ksmbd, and yes we're gonna get through it together, bestie π«Ά
β¨ NAME β¨
ksmbd_decode_ntlmssp_auth_blob β a helper function that constructs the authenticate blob. literally that's the whole job. no cap π
π¦ SYNOPSIS π¦
int ksmbd_decode_ntlmssp_auth_blob (struct authenticate_message
*authblob , int blob_len , struct ksmbd_conn *conn , struct
ksmbd_session *sess , char *sess_key );
so she's an int-returning girly with five params, and we're gonna meet every single one of them right now β¬οΈ
π ARGUMENTS π
authblobβ it's astruct authenticate_message *, and it's the source pointer for the authenticate blob. like, this is where the blob lives. main character energy fr β¨blob_lenβ anint, and it's the length of theauthblobmessage. gotta know how big the vibe is π«connβ astruct ksmbd_conn *, aka the connection. that's her π«Άsessβ astruct ksmbd_session *, aka the session of the connection. the connection's bestie, if you will πΈsess_keyβ achar *, and it's the derived session key output buffer. notice "output" β this one gets written into, iykyk π
π₯ RETURN π₯
0on success π- an error number on error π
that's it. that's the whole return contract. no surprises, no plot twists, we love a clear communicator.
π SEE ALSO π
the kernel file lives at ./fs/smb/server/auth.c and she rolls with a whole squad β go say hi to all of them:
ksmbd_auth_ntlmv2(9)ksmbd_decode_ntlmssp_neg_blob(9)ksmbd_build_ntlmssp_challenge_blob(9)ksmbd_sign_smb2_pdu(9)ksmbd_sign_smb3_pdu(9)ksmbd_init_rdma_sg(9)ksmbd_crypt_rdma(9)
bestie reminder: if it returns a nonzero error number, that's not a slay, that's a genuine error. handle it π
and that's the whole page π this icon was compiled under ./fs/smb/server, dated October 2026, and it's the ksmbd_decode...sp_auth_blob(9) page β go forth and decode, you gorgeous kernel dev πβ¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms