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parser: convert xmatch to use out of band transitions

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xattrs can contain NULL characters in their values which means we can
not user regular NULL transitions to separate values. To fix this
use out of band transition instead.

Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen
2019-08-16 02:36:59 -07:00
parent 53dffc5304
commit 2992e6973f
5 changed files with 33 additions and 31 deletions
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parser/libapparmor_re/aare_rules.h
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@@ -104,7 +104,7 @@ class aare_rules {
uint32_t audit, dfaflags_t flags);
bool add_rule_vec(int deny, uint32_t perms, uint32_t audit, int count,
const char **rulev, dfaflags_t flags, bool oob);
bool append_rule(const char *rule, dfaflags_t flags);
bool append_rule(const char *rule, bool oob, dfaflags_t flags);
void *create_dfa(size_t *size, int *min_match_len, dfaflags_t flags);
};