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apparmor: Initial implementation of raw policy blob compression

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This adds an initial implementation of raw policy blob compression,
using deflate. Compression level can be controlled via a new sysctl,
"apparmor.rawdata_compression_level", which can be set to a value
between 0 (no compression) and 9 (highest compression).

Signed-off-by: Chris Coulson <chris.coulson@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
Chris Coulson
2019-01-23 19:17:09 +00:00
committed by John Johansen
parent 582549e3fb
commit 63c16c3a76
5 changed files with 285 additions and 8 deletions
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security/apparmor/include/apparmor.h
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@@ -40,6 +40,7 @@ extern enum audit_mode aa_g_audit;
extern bool aa_g_audit_header;
extern bool aa_g_debug;
extern bool aa_g_hash_policy;
extern int aa_g_rawdata_compression_level;
extern bool aa_g_lock_policy;
extern bool aa_g_logsyscall;
extern bool aa_g_paranoid_load;