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security: add sctp_assoc_established hook

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security_sctp_assoc_established() is added to replace
security_inet_conn_established() called in
sctp_sf_do_5_1E_ca(), so that asoc can be accessed in security
subsystem and save the peer secid to asoc->peer_secid.

v1->v2:
  - fix the return value of security_sctp_assoc_established() in
    security.h, found by kernel test robot and Ondrej.

Fixes: 72e89f5008 ("security: Add support for SCTP security hooks")
Reported-by: Prashanth Prahlad <pprahlad@redhat.com>
Reviewed-by: Richard Haines <richard_c_haines@btinternet.com>
Tested-by: Richard Haines <richard_c_haines@btinternet.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2021-11-02 08:02:49 -04:00
committed by David S. Miller
parent e215dab1c4
commit 7c2ef0240e
6 changed files with 32 additions and 13 deletions
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5
include/linux/lsm_hooks.h
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@@ -1050,6 +1050,11 @@
* @asoc pointer to current sctp association structure.
* @sk pointer to current sock structure.
* @newsk pointer to new sock structure.
* @sctp_assoc_established:
* Passes the @asoc and @chunk->skb of the association COOKIE_ACK packet
* to the security module.
* @asoc pointer to sctp association structure.
* @skb pointer to skbuff of association packet.
*
* Security hooks for Infiniband
*