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apparmor: preparse for state being more than just an integer

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Convert from an unsigned int to a state_t for state position. This is
a step in prepping for the state position carrying some additional
flags, and a limited form of backtracking to support variables.

Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen
2022-01-17 13:43:49 -08:00
parent e844fe9b51
commit 33fc95d829
15 changed files with 101 additions and 102 deletions
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6
security/apparmor/include/label.h
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@@ -333,7 +333,7 @@ struct aa_label *aa_label_parse(struct aa_label *base, const char *str,
static inline const char *aa_label_strn_split(const char *str, int n)
{
const char *pos;
unsigned int state;
aa_state_t state;
state = aa_dfa_matchn_until(stacksplitdfa, DFA_START, str, n, &pos);
if (!ACCEPT_TABLE(stacksplitdfa)[state])
@@ -345,7 +345,7 @@ static inline const char *aa_label_strn_split(const char *str, int n)
static inline const char *aa_label_str_split(const char *str)
{
const char *pos;
unsigned int state;
aa_state_t state;
state = aa_dfa_match_until(stacksplitdfa, DFA_START, str, &pos);
if (!ACCEPT_TABLE(stacksplitdfa)[state])
@@ -358,7 +358,7 @@ static inline const char *aa_label_str_split(const char *str)
struct aa_perms;
int aa_label_match(struct aa_profile *profile, struct aa_label *label,
unsigned int state, bool subns, u32 request,
aa_state_t state, bool subns, u32 request,
struct aa_perms *perms);