nganhkhoa/ios-kernel-patch
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This commit is contained in:
comex 2011-05-02 15:10:23 -04:00
parent 94e96392fe
commit 95cd350b5c
2 changed files with 21 additions and 12 deletions
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27
Makefile
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@ -1,23 +1,26 @@
DATA = $(word 1,$(wildcard ./data ../data))
CFLAGS += -I$(DATA)
include $(DATA)/Makefile.common
BINS := check_sanity make_kernel_patchfile apply_patchfile sandboxc.c
all: .settings .data $(BINS)
BINS := $(OUTDIR)/check_sanity $(OUTDIR)/make_kernel_patchfile $(OUTDIR)/apply_patchfile sandboxc.c
all: .data $(OUTDIR) $(BINS)
.data:
make -C $(DATA)
%.o: %.c
$(GCC) -c -o $@ $< -I$(DATA)
$(OUTDIR):
mkdir $(OUTDIR)
sandbox.o: sandbox.S
$(SDK_GCC) -c -o $@ $<
sandboxc.c: sandbox.o
xxd -i sandbox.o > sandboxc.c
check_sanity: check_sanity.o $(DATA)/libdata.a
$(GCC) -o $@ $^ $(DATA)/libdata.a
apply_patchfile: apply_patchfile.o $(DATA)/libdata.a
$(GCC) -o $@ $^ $(DATA)/libdata.a
make_kernel_patchfile: make_kernel_patchfile.o sandboxc.o $(DATA)/libdata.a
$(GCC) -o $@ $^ $(DATA)/libdata.a
$(OUTDIR)/check_sanity: $(OUTDIR)/check_sanity.o $(DATA)/$(OUTDIR)/libdata.a
$(GCC) -o $@ $^
$(OUTDIR)/apply_patchfile: $(OUTDIR)/apply_patchfile.o $(DATA)/$(OUTDIR)/libdata.a
$(GCC) -o $@ $^
$(OUTDIR)/make_kernel_patchfile: $(OUTDIR)/make_kernel_patchfile.o $(OUTDIR)/sandboxc.o $(DATA)/$(OUTDIR)/libdata.a
$(GCC) -o $@ $^
clean:
rm -f $(BINS) *.o
clean: .clean
rm -f sandbox.o sandboxc.c

6
make_kernel_patchfile.c
View File

@ -104,6 +104,10 @@ void do_kernel(struct binary *binary, struct binary *sandbox) {
find_sysctl(binary, "proc_enforce"),
uint32_t, {0});
/*patch("vnode_enforce",
find_sysctl(binary, "vnode_enforce"),
uint32_t, {0});*/
// sandbox
range_t range = b_macho_segrange(binary, "__PRELINK_TEXT");
addr_t sb_evaluate = find_bof(range, find_int32(range, find_string(range, "bad opcode", false, true), true), is_armv7);
@ -129,7 +133,9 @@ void do_kernel(struct binary *binary, struct binary *sandbox) {
uint32_t, {(is_armv7 ? 0xf000f8df : 0xe51ff004), scratch | 1});
// "note"
#ifndef __arm__
patch("scratch", 0, uint32_t, {(scratch + sandbox_pr.size + 0xfff) & ~0xfff});
#endif
}