| Message ID | 20220906121506.165001-1-roberto.sassu@huaweicloud.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | BPF |
| Headers | show |
| Series | None | expand |
On Tue, Sep 06, 2022 at 02:15:06PM +0200, Roberto Sassu wrote: > From: Roberto Sassu <roberto.sassu@huawei.com> > > In preparation for the patch that introduces the bpf_lookup_user_key() eBPF > kfunc, move KEY_LOOKUP_ definitions to include/linux/key.h, to be able to > validate the kfunc parameters. Add them to enum key_lookup_flag, so that > all the current ones and the ones defined in the future are automatically > exported through BTF and available to eBPF programs. > > Also, add KEY_LOOKUP_ALL to the enum, with the logical OR of currently > defined flags as value, to facilitate checking whether a variable contains > only those flags. > > Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> > --- > include/linux/key.h | 6 ++++++ > security/keys/internal.h | 2 -- > 2 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/include/linux/key.h b/include/linux/key.h > index 7febc4881363..d27477faf00d 100644 > --- a/include/linux/key.h > +++ b/include/linux/key.h > @@ -88,6 +88,12 @@ enum key_need_perm { > KEY_DEFER_PERM_CHECK, /* Special: permission check is deferred */ > }; > > +enum key_lookup_flag { > + KEY_LOOKUP_CREATE = 0x01, > + KEY_LOOKUP_PARTIAL = 0x02, > + KEY_LOOKUP_ALL = (KEY_LOOKUP_CREATE | KEY_LOOKUP_PARTIAL), > +}; > + > struct seq_file; > struct user_struct; > struct signal_struct; > diff --git a/security/keys/internal.h b/security/keys/internal.h > index 9b9cf3b6fcbb..3c1e7122076b 100644 > --- a/security/keys/internal.h > +++ b/security/keys/internal.h > @@ -165,8 +165,6 @@ extern struct key *request_key_and_link(struct key_type *type, > > extern bool lookup_user_key_possessed(const struct key *key, > const struct key_match_data *match_data); > -#define KEY_LOOKUP_CREATE 0x01 > -#define KEY_LOOKUP_PARTIAL 0x02 > > extern long join_session_keyring(const char *name); > extern void key_change_session_keyring(struct callback_head *twork); > -- > 2.25.1 > Thanks, Acked-by: Jarkko Sakkinen <jarkko@kernel.org> BR, Jarkko
On Tue, 2022-09-06 at 15:26 +0300, Jarkko Sakkinen wrote: > On Tue, Sep 06, 2022 at 02:15:06PM +0200, Roberto Sassu wrote: > > From: Roberto Sassu <roberto.sassu@huawei.com> > > > > In preparation for the patch that introduces the > > bpf_lookup_user_key() eBPF > > kfunc, move KEY_LOOKUP_ definitions to include/linux/key.h, to be > > able to > > validate the kfunc parameters. Add them to enum key_lookup_flag, so > > that > > all the current ones and the ones defined in the future are > > automatically > > exported through BTF and available to eBPF programs. > > > > Also, add KEY_LOOKUP_ALL to the enum, with the logical OR of > > currently > > defined flags as value, to facilitate checking whether a variable > > contains > > only those flags. > > > > Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> > > --- > > include/linux/key.h | 6 ++++++ > > security/keys/internal.h | 2 -- > > 2 files changed, 6 insertions(+), 2 deletions(-) > > > > diff --git a/include/linux/key.h b/include/linux/key.h > > index 7febc4881363..d27477faf00d 100644 > > --- a/include/linux/key.h > > +++ b/include/linux/key.h > > @@ -88,6 +88,12 @@ enum key_need_perm { > > KEY_DEFER_PERM_CHECK, /* Special: permission check is > > deferred */ > > }; > > > > +enum key_lookup_flag { > > + KEY_LOOKUP_CREATE = 0x01, > > + KEY_LOOKUP_PARTIAL = 0x02, > > + KEY_LOOKUP_ALL = (KEY_LOOKUP_CREATE | KEY_LOOKUP_PARTIAL), > > +}; > > + > > struct seq_file; > > struct user_struct; > > struct signal_struct; > > diff --git a/security/keys/internal.h b/security/keys/internal.h > > index 9b9cf3b6fcbb..3c1e7122076b 100644 > > --- a/security/keys/internal.h > > +++ b/security/keys/internal.h > > @@ -165,8 +165,6 @@ extern struct key *request_key_and_link(struct > > key_type *type, > > > > extern bool lookup_user_key_possessed(const struct key *key, > > const struct key_match_data > > *match_data); > > -#define KEY_LOOKUP_CREATE 0x01 > > -#define KEY_LOOKUP_PARTIAL 0x02 > > > > extern long join_session_keyring(const char *name); > > extern void key_change_session_keyring(struct callback_head > > *twork); > > -- > > 2.25.1 > > > > Thanks, > > Acked-by: Jarkko Sakkinen <jarkko@kernel.org> Thanks Jarkko. KP, ok also for you? Thanks Roberto
diff --git a/include/linux/key.h b/include/linux/key.h index 7febc4881363..d27477faf00d 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -88,6 +88,12 @@ enum key_need_perm { KEY_DEFER_PERM_CHECK, /* Special: permission check is deferred */ }; +enum key_lookup_flag { + KEY_LOOKUP_CREATE = 0x01, + KEY_LOOKUP_PARTIAL = 0x02, + KEY_LOOKUP_ALL = (KEY_LOOKUP_CREATE | KEY_LOOKUP_PARTIAL), +}; + struct seq_file; struct user_struct; struct signal_struct; diff --git a/security/keys/internal.h b/security/keys/internal.h index 9b9cf3b6fcbb..3c1e7122076b 100644 --- a/security/keys/internal.h +++ b/security/keys/internal.h @@ -165,8 +165,6 @@ extern struct key *request_key_and_link(struct key_type *type, extern bool lookup_user_key_possessed(const struct key *key, const struct key_match_data *match_data); -#define KEY_LOOKUP_CREATE 0x01 -#define KEY_LOOKUP_PARTIAL 0x02 extern long join_session_keyring(const char *name); extern void key_change_session_keyring(struct callback_head *twork);