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restore: add offline mode (cached SHSH + in-place AEA decryption)

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renegadelink
2026-04-26 18:54:23 +03:00
committed by zqxwce
parent bde1ff3a83
commit 6f3b16397b
2 changed files with 69 additions and 8 deletions
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Makefile
+48 -5
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@@ -98,6 +98,7 @@ help:
@echo "Restore:"
@echo " make restore_get_shsh Dump SHSH response from Apple"
@echo " make restore Restore to device (pymobiledevice3 backend)"
@echo " make restore_offline Restore offline — decrypts AEA images in place, uses cached .shsh blob"
@echo ""
@echo "Ramdisk:"
@echo " make ramdisk_build Build signed SSH ramdisk"
@@ -324,19 +325,61 @@ fw_patch_jb: patcher_build
# Restore
# ═══════════════════════════════════════════════════════════════════
.PHONY: restore_get_shsh restore
.PHONY: restore_get_shsh restore restore_offline
# Resolve ECID from RESTORE_ECID or vm/udid-prediction.txt (written by boot_dfu).
define _resolve_ecid
if [ -n "$(RESTORE_ECID)" ]; then \
ECID="$(RESTORE_ECID)"; \
elif [ -f "$(CURDIR)/$(VM_DIR)/udid-prediction.txt" ]; then \
ECID=$$(grep '^ECID=' "$(CURDIR)/$(VM_DIR)/udid-prediction.txt" | head -1 | cut -d= -f2); \
fi; \
if [ -z "$$ECID" ]; then \
echo "[-] Cannot resolve ECID — set RESTORE_ECID or run 'make boot_dfu' first"; \
exit 1; \
fi
endef
restore_get_shsh:
cd $(VM_DIR) && "$(PYTHON)" "$(PMD3_BRIDGE)" restore-get-shsh \
@$(call _resolve_ecid); \
cd "$(VM_DIR)" && "$(PYTHON)" "$(PMD3_BRIDGE)" restore-get-shsh \
--vm-dir . \
$(if $(RESTORE_UDID),--udid $(RESTORE_UDID),) \
$(if $(RESTORE_ECID),--ecid $(RESTORE_ECID),)
--ecid "$$ECID"
restore:
cd $(VM_DIR) && "$(PYTHON)" "$(PMD3_BRIDGE)" restore-update \
@$(call _resolve_ecid); \
cd "$(VM_DIR)" && "$(PYTHON)" "$(PMD3_BRIDGE)" restore-update \
--vm-dir . \
$(if $(RESTORE_UDID),--udid $(RESTORE_UDID),) \
$(if $(RESTORE_ECID),--ecid $(RESTORE_ECID),)
--ecid "$$ECID"
restore_offline:
@$(call _resolve_ecid); \
SHSH=$$(ls "$(CURDIR)/$(VM_DIR)/"*.shsh 2>/dev/null | head -1); \
if [ -z "$$SHSH" ]; then \
echo "[-] No .shsh file in $(VM_DIR)/ — run 'make restore_get_shsh' first"; \
exit 1; \
fi; \
RESTORE_SRC=$$(echo "$(CURDIR)/$(VM_DIR)/iPhone"*_Restore); \
if [ ! -d "$$RESTORE_SRC" ]; then \
echo "[-] No iPhone*_Restore directory in $(VM_DIR)/"; \
exit 1; \
fi; \
echo "[+] Decrypting AEA images in place..."; \
for aea in "$$RESTORE_SRC"/*.dmg.aea; do \
[ -f "$$aea" ] || continue; \
[ "$$(xxd -l 4 -p "$$aea")" = "41454131" ] || continue; \
base=$$(basename "$$aea"); \
ipsw fw aea -o "$$RESTORE_SRC" "$$aea" 2>/dev/null; \
mv -f "$$RESTORE_SRC/$${base%.aea}" "$$aea"; \
done; \
echo "[+] Restoring offline with SHSH: $$(basename $$SHSH)"; \
cd "$(VM_DIR)" && "$(PYTHON)" "$(PMD3_BRIDGE)" restore-update \
--vm-dir . \
--tss "$$SHSH" \
$(if $(RESTORE_UDID),--udid $(RESTORE_UDID),) \
--ecid "$$ECID"
# ═══════════════════════════════════════════════════════════════════
# Ramdisk