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Bootstrap new MachO segmented chained fixups

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This commit is contained in:
Romain Thomas
2025-07-26 11:26:14 +02:00
parent 6afae6c314
commit f999e49345
14 changed files with 405 additions and 15 deletions
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api/python/src/MachO/enums.cpp
+2 -1
View File
@@ -117,7 +117,8 @@ void init_enums(nb::module_& m) {
.value(PY_ENUM(DYLD_CHAINED_PTR_FORMAT::PTR_ARM64E_FIRMWARE))
.value(PY_ENUM(DYLD_CHAINED_PTR_FORMAT::PTR_X86_64_KERNEL_CACHE))
.value(PY_ENUM(DYLD_CHAINED_PTR_FORMAT::PTR_ARM64E_USERLAND24))
.value(PY_ENUM(DYLD_CHAINED_PTR_FORMAT::PTR_ARM64E_SHARED_CACHE));
.value(PY_ENUM(DYLD_CHAINED_PTR_FORMAT::PTR_ARM64E_SHARED_CACHE))
.value(PY_ENUM(DYLD_CHAINED_PTR_FORMAT::PTR_ARM64E_SEGMENTED));
}
}
api/python/src/MachO/objects/pyChainedPointerAnalysis.cpp
+82
View File
@@ -45,6 +45,8 @@ struct ChainedPointer : public nanobind::object {
"lief.MachO.ChainedPointerAnalysis.dyld_chained_ptr_32_bind_t, "
"lief.MachO.ChainedPointerAnalysis.dyld_chained_ptr_32_cache_rebase_t, "
"lief.MachO.ChainedPointerAnalysis.dyld_chained_ptr_32_firmware_rebase_t, "
"lief.MachO.ChainedPointerAnalysis.dyld_chained_ptr_arm64e_segmented_rebase_t, "
"lief.MachO.ChainedPointerAnalysis.dyld_chained_ptr_arm64e_auth_segmented_rebase_t, "
"int, "
"None"
"]",
@@ -471,6 +473,76 @@ void create<ChainedPointerAnalysis>(nb::module_& m) {
)
LIEF_DEFAULT_STR(ChainedPointerAnalysis::dyld_chained_ptr_32_firmware_rebase_t);
;
nb::class_<ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase_t>(
clazz, "dyld_chained_ptr_arm64e_segmented_rebase_t"
)
.def_prop_ro("target_seg_offset",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase_t& ptr) {
return (uint32_t)ptr.target_seg_offset;
}
)
.def_prop_ro("target_seg_index",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase_t& ptr) {
return (uint32_t)ptr.target_seg_index;
}
)
.def_prop_ro("padding",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase_t& ptr) {
return (uint32_t)ptr.padding;
}
)
.def_prop_ro("next",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase_t& ptr) {
return (uint32_t)ptr.next;
}
)
.def_prop_ro("auth",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase_t& ptr) {
return (bool)ptr.auth;
}
)
LIEF_DEFAULT_STR(ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase_t);
;
nb::class_<ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase_t>(
clazz, "dyld_chained_ptr_arm64e_auth_segmented_rebase_t"
)
.def_prop_ro("target_seg_offset",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase_t& ptr) {
return (uint32_t)ptr.target_seg_offset;
}
)
.def_prop_ro("target_seg_index",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase_t& ptr) {
return (uint32_t)ptr.target_seg_index;
}
)
.def_prop_ro("diversity",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase_t& ptr) {
return (uint32_t)ptr.diversity;
}
)
.def_prop_ro("addr_div",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase_t& ptr) {
return (uint32_t)ptr.addr_div;
}
)
.def_prop_ro("key",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase_t& ptr) {
return (uint32_t)ptr.key;
}
)
.def_prop_ro("next",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase_t& ptr) {
return (uint32_t)ptr.next;
}
)
.def_prop_ro("auth",
[] (const ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase_t& ptr) {
return (bool)ptr.auth;
}
)
LIEF_DEFAULT_STR(ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase_t);
;
clazz
.def_static("stride",
&ChainedPointerAnalysis::stride, "fmt"_a)
@@ -506,6 +578,10 @@ void create<ChainedPointerAnalysis>(nb::module_& m) {
&ChainedPointerAnalysis::dyld_chained_ptr_32_cache_rebase)
.def_prop_ro("dyld_chained_ptr_32_firmware_rebase",
&ChainedPointerAnalysis::dyld_chained_ptr_32_firmware_rebase)
.def_prop_ro("dyld_chained_ptr_arm64e_segmented_rebase",
&ChainedPointerAnalysis::dyld_chained_ptr_arm64e_segmented_rebase)
.def_prop_ro("dyld_chained_ptr_arm64e_auth_segmented_rebase",
&ChainedPointerAnalysis::dyld_chained_ptr_arm64e_auth_segmented_rebase)
.def("get_as",
[] (const ChainedPointerAnalysis& self, DYLD_CHAINED_PTR_FORMAT fmt) -> ChainedPointer {
ChainedPointerAnalysis::union_pointer_t ptr = self.get_as(fmt);
@@ -551,6 +627,12 @@ void create<ChainedPointerAnalysis>(nb::module_& m) {
case ChainedPointerAnalysis::PTR_TYPE::DYLD_CHAINED_PTR_32_FIRMWARE_REBASE:
return nb::cast(ptr.ptr_32_firmware_rebase);
case ChainedPointerAnalysis::PTR_TYPE::DYLD_CHAINED_PTR_ARM64E_SEGMENTED_REBASE:
return nb::cast(ptr.ptr_arm64e_segmented_rebase);
case ChainedPointerAnalysis::PTR_TYPE::DYLD_CHAINED_PTR_ARM64E_AUTH_SEGMENTED_REBASE:
return nb::cast(ptr.ptr_arm64e_auth_segmented_rebase);
}
return nb::none();
}