feat(aa-log): improve log cleaning.

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Alexandre Pujol 2024-04-02 17:50:33 +01:00
parent 1915fa5175
commit 4490db45c9
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@ -31,6 +31,7 @@ const (
var (
quoted bool
isAppArmorLogTemplate = regexp.MustCompile(`apparmor=("DENIED"|"ALLOWED"|"AUDIT")`)
hex = `[0-9a-fA-F]`
regCleanLogs = util.ToRegexRepl([]string{
// Clean apparmor log file
`.*apparmor="`, `apparmor="`,
@ -51,7 +52,8 @@ var (
// Resolve classic system variables
`/usr/lib(|32|64|exec)`, `@{lib}`,
`/usr/(|s)bin`, `@{bin}`,
`[^/]+-linux-gnu[^/]?`, `@{multiarch}`,
`x86_64-pc-linux-gnu[^/]?`, `@{multiarch}`,
`/usr/etc/`, `@{etc_ro}/`,
`/run/`, `@{run}/`,
`user/[0-9]*/`, `user/@{uid}/`,
`/proc/`, `@{PROC}/`,
@ -59,15 +61,15 @@ var (
`@{PROC}/@{pid}/task/[0-9]*/`, `@{PROC}/@{pid}/task/@{tid}/`,
`/sys/`, `@{sys}/`,
`@{PROC}@{sys}/`, `@{PROC}/sys/`,
`pci[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]:[0-9a-fA-F][0-9a-fA-F]`, `@{pci_bus}`,
`pci` + strings.Repeat(hex, 4) + `:` + strings.Repeat(hex, 2), `@{pci_bus}`,
// Some system glob
`:1.[0-9]*`, `:*`, // dbus peer name
`@{bin}/(|ba|da)sh`, `@{sh_path}`, // collect all shell
`@{lib}/modules/[^/]+\/`, `@{lib}/modules/*/`, // strip kernel version numbers from kernel module accesses
`[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]`, `@{hex32}`,
`[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][-_][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][-_][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][-_][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][-_][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]`, `@{uuid}`,
`[0-9][0-9][0-9][0-9][0-9][0-9]+`, `@{int}`,
strings.Repeat(hex, 64), `@{hex64}`,
strings.Repeat(hex, 32), `@{hex32}`,
strings.Repeat(hex, 8) + `[-_]` + strings.Repeat(hex, 4) + `[-_]` + strings.Repeat(hex, 4) + `[-_]` + strings.Repeat(hex, 4) + `[-_]` + strings.Repeat(hex, 12), `@{uuid}`,
// Remove basic rules from abstractions/base
`(?m)^.*/etc/[^/]+so.*$`, ``,