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authorLennart Poettering <lennart@poettering.net>2016-10-21 20:28:05 +0200
committerLennart Poettering <lennart@poettering.net>2016-10-24 17:32:50 +0200
commit8d7b0c8fd780e88ab5a6d1d79e09e27247245bee (patch)
treedb1954e24c9f4c283859f0b3ffbea40a679a84e3 /src/udev
parent25a8d8a0cb297f75b6b9fd3cc15747ba7f56031e (diff)
seccomp: add new seccomp_init_conservative() helper
This adds a new seccomp_init_conservative() helper call that is mostly just a wrapper around seccomp_init(), but turns off NNP and adds in all secondary archs, for best compatibility with everything else. Pretty much all of our code used the very same constructs for these three steps, hence unifying this in one small function makes things a lot shorter. This also changes incorrect usage of the "scmp_filter_ctx" type at various places. libseccomp defines it as typedef to "void*", i.e. it is a pointer type (pretty poor choice already!) that casts implicitly to and from all other pointer types (even poorer choice: you defined a confusing type now, and don't even gain any bit of type safety through it...). A lot of the code assumed the type would refer to a structure, and hence aded additional "*" here and there. Remove that.
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