diff options
| author | Paul Buetow <paul@buetow.org> | 2024-02-17 14:12:01 +0200 |
|---|---|---|
| committer | Paul Buetow <paul@buetow.org> | 2024-02-17 14:12:01 +0200 |
| commit | c3a41ac0cb15d3f2665d75051260c1909b434548 (patch) | |
| tree | 561ac1b4ba53d465d86e6a49c68ef8e68984b7ce /internal/ioriotng.bpf.c | |
| parent | 08f7a9bfa2ade822fd781609f63a4d71eee1b64e (diff) | |
using global variables for more efficient filtering of events
Diffstat (limited to 'internal/ioriotng.bpf.c')
| -rw-r--r-- | internal/ioriotng.bpf.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/internal/ioriotng.bpf.c b/internal/ioriotng.bpf.c index 3296611..32b831a 100644 --- a/internal/ioriotng.bpf.c +++ b/internal/ioriotng.bpf.c @@ -4,11 +4,10 @@ #include <bpf/bpf_helpers.h> #include "types/types.bpf.h" #include "types/maps.bpf.h" +#include "flags/flags.bpf.h" static inline int filter() { - u32 key = 1; - struct flags *flagsp = bpf_map_lookup_elem(&flags_map, &key); - return flagsp == NULL || (bpf_get_current_uid_gid() & 0xFFFFFFFF) != flagsp->uid_filter; + return (bpf_get_current_uid_gid() & 0xFFFFFFFF) != UID_FILTER; } SEC("tracepoint/syscalls/sys_enter_openat") |