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nsca-clean-setgroups.patch
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File nsca-clean-setgroups.patch of Package nsca
Index: nsca-2.10.0/src/nsca.c =================================================================== --- nsca-2.10.0.orig/src/nsca.c +++ nsca-2.10.0/src/nsca.c @@ -1606,6 +1606,14 @@ static int drop_privileges(const char *u if(getuid()!=0) return OK; + // When dropping privileges from root, the `setgroups` call will + // remove any extraneous groups. If we don't call this, then + // even though our uid has dropped, we may still have groups + // that enable us to do super-user things. This will fail if we + // aren't root, so don't bother checking the return value, this + // is just done as an optimistic privilege dropping function. + setgroups(0, NULL); + /* set effective group ID if other than current EGID */ if(gid!=getegid()){ if(setgid(gid)==-1){
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