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| author | John Johansen <john.johansen@canonical.com> | 2022-09-05 20:47:36 -0700 |
|---|---|---|
| committer | John Johansen <john.johansen@canonical.com> | 2022-10-03 14:49:04 -0700 |
| commit | 1ad22fcc4d0d2fb2e0f35aed555a86d016d5e590 (patch) | |
| tree | 5cf7b9f785d46441d3c184a3097659eb7c2574ac /security/apparmor/include | |
| parent | 217af7e2f4deb629aaa49622685ccfee923898ca (diff) | |
| download | linux-1ad22fcc4d0d2fb2e0f35aed555a86d016d5e590.tar.bz2 | |
apparmor: rework profile->rules to be a list
Convert profile->rules to a list as the next step towards supporting
multiple rulesets in a profile. For this step only support a single
list entry item. The logic for iterating the list will come as a
separate step.
Signed-off-by: John Johansen <john.johansen@canonical.com>
Diffstat (limited to 'security/apparmor/include')
| -rw-r--r-- | security/apparmor/include/policy.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/security/apparmor/include/policy.h b/security/apparmor/include/policy.h index 9ee2c05e2895..5cadfb20df29 100644 --- a/security/apparmor/include/policy.h +++ b/security/apparmor/include/policy.h @@ -124,6 +124,7 @@ struct aa_data { }; /* struct aa_ruleset - data covering mediation rules + * @list: list the rule is on * @size: the memory consumed by this ruleset * @policy: general match rules governing policy * @file: The set of rules governing basic file access and domain transitions @@ -133,6 +134,8 @@ struct aa_data { * @secmark: secmark label match info */ struct aa_ruleset { + struct list_head list; + int size; /* TODO: merge policy and file */ @@ -147,6 +150,7 @@ struct aa_ruleset { }; /* struct aa_attachment - data and rules for a profiles attachment + * @list: * @xmatch_str: human readable attachment string * @xmatch: optional extended matching for unconfined executables names * @xmatch_len: xmatch prefix len, used to determine xmatch priority @@ -204,7 +208,7 @@ struct aa_profile { const char *disconnected; struct aa_attachment attach; - struct aa_ruleset rules; + struct list_head rules; struct aa_loaddata *rawdata; unsigned char *hash; @@ -227,6 +231,7 @@ void aa_add_profile(struct aa_policy *common, struct aa_profile *profile); void aa_free_proxy_kref(struct kref *kref); +struct aa_ruleset *aa_alloc_ruleset(gfp_t gfp); struct aa_profile *aa_alloc_profile(const char *name, struct aa_proxy *proxy, gfp_t gfp); struct aa_profile *aa_new_null_profile(struct aa_profile *parent, bool hat, @@ -285,6 +290,16 @@ static inline aa_state_t RULE_MEDIATES_AF(struct aa_ruleset *rules, u16 AF) return aa_dfa_match_len(rules->policy.dfa, state, (char *) &be_af, 2); } +static inline aa_state_t ANY_RULE_MEDIATES(struct list_head *head, + unsigned char class) +{ + struct aa_ruleset *rule; + + /* TODO: change to list walk */ + rule = list_first_entry(head, typeof(*rule), list); + return RULE_MEDIATES(rule, class); +} + /** * aa_get_profile - increment refcount on profile @p * @p: profile (MAYBE NULL) |