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-rw-r--r--common/native/bpf_headers/include/bpf/bpf_helpers.h43
1 files changed, 37 insertions, 6 deletions
diff --git a/common/native/bpf_headers/include/bpf/bpf_helpers.h b/common/native/bpf_headers/include/bpf/bpf_helpers.h
index 8bc8eb17..236318d6 100644
--- a/common/native/bpf_headers/include/bpf/bpf_helpers.h
+++ b/common/native/bpf_headers/include/bpf/bpf_helpers.h
@@ -37,6 +37,9 @@
// Android T / 13 (api level 33) - support for shared/selinux_context/pindir
#define BPFLOADER_T_VERSION 19u
+// BpfLoader v0.25+ support obj@ver.o files
+#define BPFLOADER_OBJ_AT_VER_VERSION 25u
+
/* For mainline module use, you can #define BPFLOADER_{MIN/MAX}_VER
* before #include "bpf_helpers.h" to change which bpfloaders will
* process the resulting .o file.
@@ -179,20 +182,39 @@ static int (*bpf_map_delete_elem_unsafe)(const struct bpf_map_def* map,
return bpf_map_delete_elem_unsafe(&the_map, k); \
};
+#ifndef DEFAULT_BPF_MAP_SELINUX_CONTEXT
+#define DEFAULT_BPF_MAP_SELINUX_CONTEXT ""
+#endif
+
+#ifndef DEFAULT_BPF_MAP_PIN_SUBDIR
+#define DEFAULT_BPF_MAP_PIN_SUBDIR ""
+#endif
+
+#ifndef DEFAULT_BPF_MAP_UID
+#define DEFAULT_BPF_MAP_UID AID_ROOT
+#elif BPFLOADER_MIN_VER < 21u
+#error "Bpf Map UID must be left at default of AID_ROOT for BpfLoader prior to v0.21"
+#endif
+
#define DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, usr, grp, md) \
- DEFINE_BPF_MAP_EXT(the_map, TYPE, KeyType, ValueType, num_entries, usr, grp, md, "", "", false)
+ DEFINE_BPF_MAP_EXT(the_map, TYPE, KeyType, ValueType, num_entries, usr, grp, md, \
+ DEFAULT_BPF_MAP_SELINUX_CONTEXT, DEFAULT_BPF_MAP_PIN_SUBDIR, false)
#define DEFINE_BPF_MAP(the_map, TYPE, KeyType, ValueType, num_entries) \
- DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, AID_ROOT, AID_ROOT, 0600)
+ DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, \
+ DEFAULT_BPF_MAP_UID, AID_ROOT, 0600)
#define DEFINE_BPF_MAP_GWO(the_map, TYPE, KeyType, ValueType, num_entries, gid) \
- DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, AID_ROOT, gid, 0620)
+ DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, \
+ DEFAULT_BPF_MAP_UID, gid, 0620)
#define DEFINE_BPF_MAP_GRO(the_map, TYPE, KeyType, ValueType, num_entries, gid) \
- DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, AID_ROOT, gid, 0640)
+ DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, \
+ DEFAULT_BPF_MAP_UID, gid, 0640)
#define DEFINE_BPF_MAP_GRW(the_map, TYPE, KeyType, ValueType, num_entries, gid) \
- DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, AID_ROOT, gid, 0660)
+ DEFINE_BPF_MAP_UGM(the_map, TYPE, KeyType, ValueType, num_entries, \
+ DEFAULT_BPF_MAP_UID, gid, 0660)
static int (*bpf_probe_read)(void* dst, int size, void* unsafe_ptr) = (void*) BPF_FUNC_probe_read;
static int (*bpf_probe_read_str)(void* dst, int size, void* unsafe_ptr) = (void*) BPF_FUNC_probe_read_str;
@@ -221,9 +243,18 @@ static long (*bpf_get_current_comm)(void* buf, uint32_t buf_size) = (void*) BPF_
SECTION(SECTION_NAME) \
int the_prog
+#ifndef DEFAULT_BPF_PROG_SELINUX_CONTEXT
+#define DEFAULT_BPF_PROG_SELINUX_CONTEXT ""
+#endif
+
+#ifndef DEFAULT_BPF_PROG_PIN_SUBDIR
+#define DEFAULT_BPF_PROG_PIN_SUBDIR ""
+#endif
+
#define DEFINE_BPF_PROG_KVER_RANGE_OPT(SECTION_NAME, prog_uid, prog_gid, the_prog, min_kv, max_kv, \
opt) \
- DEFINE_BPF_PROG_EXT(SECTION_NAME, prog_uid, prog_gid, the_prog, min_kv, max_kv, opt, "", "")
+ DEFINE_BPF_PROG_EXT(SECTION_NAME, prog_uid, prog_gid, the_prog, min_kv, max_kv, opt, \
+ DEFAULT_BPF_PROG_SELINUX_CONTEXT, DEFAULT_BPF_PROG_PIN_SUBDIR)
// Programs (here used in the sense of functions/sections) marked optional are allowed to fail
// to load (for example due to missing kernel patches).