From: Casey Schaufler <casey@schaufler-ca.com> To: casey.schaufler@intel.com, jmorris@namei.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org Cc: casey@schaufler-ca.com, linux-audit@redhat.com, keescook@chromium.org, john.johansen@canonical.com, penguin-kernel@i-love.sakura.ne.jp, paul@paul-moore.com, sds@tycho.nsa.gov, linux-kernel@vger.kernel.org Subject: [PATCH v26 25/25] AppArmor: Remove the exclusive flag Date: Thu, 13 May 2021 13:08:07 -0700 [thread overview] Message-ID: <20210513200807.15910-26-casey@schaufler-ca.com> (raw) In-Reply-To: <20210513200807.15910-1-casey@schaufler-ca.com> With the inclusion of the interface LSM process attribute mechanism AppArmor no longer needs to be treated as an "exclusive" security module. Remove the flag that indicates it is exclusive. Remove the stub getpeersec_dgram AppArmor hook as it has no effect in the single LSM case and interferes in the multiple LSM case. Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: John Johansen <john.johansen@canonical.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> --- security/apparmor/lsm.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index 65a004597e53..15af5a5cb0c0 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -1138,22 +1138,6 @@ static int apparmor_socket_getpeersec_stream(struct socket *sock, return error; } -/** - * apparmor_socket_getpeersec_dgram - get security label of packet - * @sock: the peer socket - * @skb: packet data - * @secid: pointer to where to put the secid of the packet - * - * Sets the netlabel socket state on sk from parent - */ -static int apparmor_socket_getpeersec_dgram(struct socket *sock, - struct sk_buff *skb, u32 *secid) - -{ - /* TODO: requires secid support */ - return -ENOPROTOOPT; -} - /** * apparmor_sock_graft - Initialize newly created socket * @sk: child sock @@ -1257,8 +1241,6 @@ static struct security_hook_list apparmor_hooks[] __lsm_ro_after_init = { #endif LSM_HOOK_INIT(socket_getpeersec_stream, apparmor_socket_getpeersec_stream), - LSM_HOOK_INIT(socket_getpeersec_dgram, - apparmor_socket_getpeersec_dgram), LSM_HOOK_INIT(sock_graft, apparmor_sock_graft), #ifdef CONFIG_NETWORK_SECMARK LSM_HOOK_INIT(inet_conn_request, apparmor_inet_conn_request), @@ -1928,7 +1910,7 @@ static int __init apparmor_init(void) DEFINE_LSM(apparmor) = { .name = "apparmor", - .flags = LSM_FLAG_LEGACY_MAJOR | LSM_FLAG_EXCLUSIVE, + .flags = LSM_FLAG_LEGACY_MAJOR, .enabled = &apparmor_enabled, .blobs = &apparmor_blob_sizes, .init = apparmor_init, -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Casey Schaufler <casey@schaufler-ca.com> To: casey.schaufler@intel.com, jmorris@namei.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org Cc: john.johansen@canonical.com, linux-kernel@vger.kernel.org, linux-audit@redhat.com, sds@tycho.nsa.gov Subject: [PATCH v26 25/25] AppArmor: Remove the exclusive flag Date: Thu, 13 May 2021 13:08:07 -0700 [thread overview] Message-ID: <20210513200807.15910-26-casey@schaufler-ca.com> (raw) In-Reply-To: <20210513200807.15910-1-casey@schaufler-ca.com> With the inclusion of the interface LSM process attribute mechanism AppArmor no longer needs to be treated as an "exclusive" security module. Remove the flag that indicates it is exclusive. Remove the stub getpeersec_dgram AppArmor hook as it has no effect in the single LSM case and interferes in the multiple LSM case. Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Acked-by: John Johansen <john.johansen@canonical.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> --- security/apparmor/lsm.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index 65a004597e53..15af5a5cb0c0 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -1138,22 +1138,6 @@ static int apparmor_socket_getpeersec_stream(struct socket *sock, return error; } -/** - * apparmor_socket_getpeersec_dgram - get security label of packet - * @sock: the peer socket - * @skb: packet data - * @secid: pointer to where to put the secid of the packet - * - * Sets the netlabel socket state on sk from parent - */ -static int apparmor_socket_getpeersec_dgram(struct socket *sock, - struct sk_buff *skb, u32 *secid) - -{ - /* TODO: requires secid support */ - return -ENOPROTOOPT; -} - /** * apparmor_sock_graft - Initialize newly created socket * @sk: child sock @@ -1257,8 +1241,6 @@ static struct security_hook_list apparmor_hooks[] __lsm_ro_after_init = { #endif LSM_HOOK_INIT(socket_getpeersec_stream, apparmor_socket_getpeersec_stream), - LSM_HOOK_INIT(socket_getpeersec_dgram, - apparmor_socket_getpeersec_dgram), LSM_HOOK_INIT(sock_graft, apparmor_sock_graft), #ifdef CONFIG_NETWORK_SECMARK LSM_HOOK_INIT(inet_conn_request, apparmor_inet_conn_request), @@ -1928,7 +1910,7 @@ static int __init apparmor_init(void) DEFINE_LSM(apparmor) = { .name = "apparmor", - .flags = LSM_FLAG_LEGACY_MAJOR | LSM_FLAG_EXCLUSIVE, + .flags = LSM_FLAG_LEGACY_MAJOR, .enabled = &apparmor_enabled, .blobs = &apparmor_blob_sizes, .init = apparmor_init, -- 2.29.2 -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit
next prev parent reply other threads:[~2021-05-13 20:35 UTC|newest] Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <20210513200807.15910-1-casey.ref@schaufler-ca.com> 2021-05-13 20:07 ` [PATCH v26 00/25] LSM: Module stacking for AppArmor Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 01/25] LSM: Infrastructure management of the sock security Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 02/25] LSM: Add the lsmblob data structure Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-22 8:39 ` Mickaël Salaün 2021-05-22 8:39 ` Mickaël Salaün 2021-05-25 23:52 ` Casey Schaufler 2021-05-25 23:52 ` Casey Schaufler 2021-05-26 9:53 ` Mickaël Salaün 2021-05-26 9:53 ` Mickaël Salaün 2021-05-13 20:07 ` [PATCH v26 03/25] LSM: provide lsm name and id slot mappings Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-14 19:00 ` Kees Cook 2021-05-14 19:00 ` Kees Cook 2021-05-21 20:18 ` Paul Moore 2021-05-21 20:18 ` Paul Moore 2021-05-13 20:07 ` [PATCH v26 04/25] IMA: avoid label collisions with stacked LSMs Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-14 19:00 ` Kees Cook 2021-05-14 19:00 ` Kees Cook 2021-05-13 20:07 ` [PATCH v26 05/25] LSM: Use lsmblob in security_audit_rule_match Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 06/25] LSM: Use lsmblob in security_kernel_act_as Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 07/25] LSM: Use lsmblob in security_secctx_to_secid Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-14 19:03 ` Kees Cook 2021-05-14 19:03 ` Kees Cook 2021-05-21 20:18 ` Paul Moore 2021-05-21 20:18 ` Paul Moore 2021-05-13 20:07 ` [PATCH v26 08/25] LSM: Use lsmblob in security_secid_to_secctx Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-14 19:05 ` Kees Cook 2021-05-14 19:05 ` Kees Cook 2021-05-21 20:18 ` Paul Moore 2021-05-21 20:18 ` Paul Moore 2021-05-13 20:07 ` [PATCH v26 09/25] LSM: Use lsmblob in security_ipc_getsecid Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 10/25] LSM: Use lsmblob in security_task_getsecid Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 11/25] LSM: Use lsmblob in security_inode_getsecid Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 12/25] LSM: Use lsmblob in security_cred_getsecid Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 13/25] IMA: Change internal interfaces to use lsmblobs Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 14/25] LSM: Specify which LSM to display Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-14 19:23 ` Kees Cook 2021-05-14 19:23 ` Kees Cook 2021-05-17 19:52 ` Casey Schaufler 2021-05-17 19:52 ` Casey Schaufler 2021-05-21 20:19 ` Paul Moore 2021-05-21 20:19 ` Paul Moore 2021-05-13 20:07 ` [PATCH v26 15/25] LSM: Ensure the correct LSM context releaser Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-21 20:19 ` Paul Moore 2021-05-21 20:19 ` Paul Moore 2021-05-13 20:07 ` [PATCH v26 16/25] LSM: Use lsmcontext in security_secid_to_secctx Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-13 20:07 ` [PATCH v26 17/25] LSM: Use lsmcontext in security_inode_getsecctx Casey Schaufler 2021-05-13 20:07 ` Casey Schaufler 2021-05-14 19:24 ` Kees Cook 2021-05-14 19:24 ` Kees Cook 2021-05-13 20:08 ` [PATCH v26 18/25] LSM: security_secid_to_secctx in netlink netfilter Casey Schaufler 2021-05-13 20:08 ` Casey Schaufler 2021-05-21 20:19 ` Paul Moore 2021-05-21 20:19 ` Paul Moore 2021-05-13 20:08 ` [PATCH v26 19/25] NET: Store LSM netlabel data in a lsmblob Casey Schaufler 2021-05-13 20:08 ` Casey Schaufler 2021-05-13 20:08 ` [PATCH v26 20/25] LSM: Verify LSM display sanity in binder Casey Schaufler 2021-05-13 20:08 ` Casey Schaufler 2021-05-13 20:08 ` [PATCH v26 21/25] audit: add support for non-syscall auxiliary records Casey Schaufler 2021-05-13 20:08 ` Casey Schaufler 2021-05-21 20:19 ` Paul Moore 2021-05-21 20:19 ` Paul Moore 2021-05-13 20:08 ` [PATCH v26 22/25] Audit: Add new record for multiple process LSM attributes Casey Schaufler 2021-05-13 20:08 ` Casey Schaufler 2021-05-21 20:19 ` Paul Moore 2021-05-21 20:19 ` Paul Moore 2021-05-21 21:26 ` Richard Guy Briggs 2021-05-21 21:26 ` Richard Guy Briggs 2021-05-21 22:05 ` Casey Schaufler 2021-05-21 22:05 ` Casey Schaufler 2021-05-22 2:20 ` Paul Moore 2021-05-22 2:20 ` Paul Moore 2021-05-22 12:58 ` Richard Guy Briggs 2021-05-22 12:58 ` Richard Guy Briggs 2021-05-23 2:00 ` Steve Grubb 2021-05-24 15:53 ` Casey Schaufler 2021-05-24 16:06 ` Steve Grubb 2021-05-25 16:26 ` Casey Schaufler 2021-05-25 16:26 ` Casey Schaufler 2021-05-25 17:28 ` Casey Schaufler 2021-05-25 17:28 ` Casey Schaufler 2021-05-25 18:23 ` Richard Guy Briggs 2021-05-25 18:23 ` Richard Guy Briggs 2021-05-25 19:06 ` Casey Schaufler 2021-05-25 19:06 ` Casey Schaufler 2021-05-25 20:08 ` Richard Guy Briggs 2021-05-25 20:08 ` Richard Guy Briggs 2021-05-25 22:46 ` Casey Schaufler 2021-05-25 22:46 ` Casey Schaufler 2021-05-13 20:08 ` [PATCH v26 23/25] Audit: Add a new record for multiple object " Casey Schaufler 2021-05-13 20:08 ` Casey Schaufler 2021-05-13 20:08 ` [PATCH v26 24/25] LSM: Add /proc attr entry for full LSM context Casey Schaufler 2021-05-13 20:08 ` Casey Schaufler 2021-05-13 20:08 ` Casey Schaufler [this message] 2021-05-13 20:08 ` [PATCH v26 25/25] AppArmor: Remove the exclusive flag Casey Schaufler
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210513200807.15910-26-casey@schaufler-ca.com \ --to=casey@schaufler-ca.com \ --cc=casey.schaufler@intel.com \ --cc=jmorris@namei.org \ --cc=john.johansen@canonical.com \ --cc=keescook@chromium.org \ --cc=linux-audit@redhat.com \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-security-module@vger.kernel.org \ --cc=paul@paul-moore.com \ --cc=penguin-kernel@i-love.sakura.ne.jp \ --cc=sds@tycho.nsa.gov \ --cc=selinux@vger.kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.