M7350v1_en_gpl

bootable/recovery/updater/Android.mk

@@ -0,0 +1,78 @@
+# Copyright 2009 The Android Open Source Project
+
+LOCAL_PATH := $(call my-dir)
+
+updater_src_files := \
+	install.c \
+	updater.c
+
+#
+# Build a statically-linked binary to include in OTA packages
+#
+include $(CLEAR_VARS)
+
+# Build only in eng, so we don't end up with a copy of this in /system
+# on user builds.  (TODO: find a better way to build device binaries
+# needed only for OTA packages.)
+LOCAL_MODULE_TAGS := eng
+
+LOCAL_SRC_FILES := $(updater_src_files)
+
+ifeq ($(TARGET_USERIMAGES_USE_EXT4), true)
+LOCAL_CFLAGS += -DUSE_EXT4
+LOCAL_C_INCLUDES += system/extras/ext4_utils
+LOCAL_STATIC_LIBRARIES += libext4_utils libz
+endif
+
+LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS)
+LOCAL_STATIC_LIBRARIES += libapplypatch libedify libmtdutils libminzip libz
+LOCAL_STATIC_LIBRARIES += libmincrypt libbz
+LOCAL_STATIC_LIBRARIES += libminelf
+ifeq ($(TARGET_FOTA_UPDATE_LIB),)
+  LOCAL_STATIC_LIBRARIES += libduadummy
+else
+  LOCAL_STATIC_LIBRARIES += $(TARGET_FOTA_UPDATE_LIB)
+endif
+LOCAL_STATIC_LIBRARIES += libcutils libstdc++ libc
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
+
+# Each library in TARGET_RECOVERY_UPDATER_LIBS should have a function
+# named "Register_<libname>()".  Here we emit a little C function that
+# gets #included by updater.c.  It calls all those registration
+# functions.
+
+# Devices can also add libraries to TARGET_RECOVERY_UPDATER_EXTRA_LIBS.
+# These libs are also linked in with updater, but we don't try to call
+# any sort of registration function for these.  Use this variable for
+# any subsidiary static libraries required for your registered
+# extension libs.
+
+inc := $(call intermediates-dir-for,PACKAGING,updater_extensions)/register.inc
+
+# During the first pass of reading the makefiles, we dump the list of
+# extension libs to a temp file, then copy that to the ".list" file if
+# it is different than the existing .list (if any).  The register.inc
+# file then uses the .list as a prerequisite, so it is only rebuilt
+# (and updater.o recompiled) when the list of extension libs changes.
+
+junk := $(shell mkdir -p $(dir $(inc));\
+	        echo $(TARGET_RECOVERY_UPDATER_LIBS) > $(inc).temp;\
+	        diff -q $(inc).temp $(inc).list 2>/dev/null || cp -f $(inc).temp $(inc).list)
+
+$(inc) : libs := $(TARGET_RECOVERY_UPDATER_LIBS)
+$(inc) : $(inc).list
+	$(hide) mkdir -p $(dir $@)
+	$(hide) echo "" > $@
+	$(hide) $(foreach lib,$(libs),echo "extern void Register_$(lib)(void);" >> $@;)
+	$(hide) echo "void RegisterDeviceExtensions() {" >> $@
+	$(hide) $(foreach lib,$(libs),echo "  Register_$(lib)();" >> $@;)
+	$(hide) echo "}" >> $@
+
+$(call intermediates-dir-for,EXECUTABLES,updater)/updater.o : $(inc)
+LOCAL_C_INCLUDES += $(dir $(inc))
+
+LOCAL_MODULE := updater
+
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+
+include $(BUILD_EXECUTABLE)

bootable/recovery/updater/Makefile.am

@@ -0,0 +1,41 @@
+AM_CFLAGS = -Wundef \
+	    -Wstrict-prototypes \
+	    -Wno-trigraphs \
+	    -g -O0 \
+	    -fno-inline \
+	    -fno-short-enums \
+	    -fpic
+
+AM_CPPFLAGS = \
+              -I. \
+              -I$(WORKSPACE)/system/core/include
+
+AM_LDFLAGS = -shared -version-info 1:0:0
+c_sources = install.c \
+	    updater.c
+
+library_includedir = $(pkgincludedir)
+library_include_HEADERS = $(h_sources)
+requiredlibs = -lm \
+               -lpthread \
+               -lz \
+               -lcutils \
+               ../minelf/libminelf.la \
+               ../mtdutils/libmtdutils.la \
+               ../edify/libedify.la \
+               ../minzip/libminzip.la \
+               ../duadummy/libduadummy.la \
+               ../applypatch/libapplypatch.la
+
+bin_PROGRAMS = updater
+if USE_GLIB
+updater_SOURCES = $(c_sources) $(h_sources)
+updater_CFLAGS = $(AM_CFLAGS) -DUSE_GLIB @GLIB_CFLAGS@
+updater_CPPFLAGS = $(AM_CPPFLAGS) -DUSE_GLIB @GLIB_CFLAGS@
+updater_LDADD = $(requiredlibs) @GLIB_LIBS@
+else
+updater_SOURCES = $(c_sources) $(h_sources)
+updater_CFLAGS = $(AM_CFLAGS)
+updater_CPPFLAGS = $(AM_CPPFLAGS)
+updater_LDADD = $(requiredlibs)
+endif

bootable/recovery/updater/install.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UPDATER_INSTALL_H_
+#define _UPDATER_INSTALL_H_
+
+void RegisterInstallFunctions();
+
+#endif

bootable/recovery/updater/updater.c

@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "edify/expr.h"
+#include "updater.h"
+#include "install.h"
+#include "minzip/Zip.h"
+
+// Where in the package we expect to find the edify script to execute.
+// (Note it's "updateR-script", not the older "update-script".)
+#define SCRIPT_NAME "META-INF/com/google/android/updater-script"
+
+int main(int argc, char** argv) {
+    // Various things log information to stdout or stderr more or less
+    // at random.  The log file makes more sense if buffering is
+    // turned off so things appear in the right order.
+    setbuf(stdout, NULL);
+    setbuf(stderr, NULL);
+
+    if (argc != 4) {
+        fprintf(stderr, "unexpected number of arguments (%d)\n", argc);
+        return 1;
+    }
+
+    char* version = argv[1];
+    if ((version[0] != '1' && version[0] != '2' && version[0] != '3') ||
+        version[1] != '\0') {
+        // We support version 1, 2, or 3.
+        fprintf(stderr, "wrong updater binary API; expected 1, 2, or 3; "
+                        "got %s\n",
+                argv[1]);
+        return 2;
+    }
+
+    // Set up the pipe for sending commands back to the parent process.
+
+    int fd = atoi(argv[2]);
+    FILE* cmd_pipe = fdopen(fd, "wb");
+    setlinebuf(cmd_pipe);
+
+    // Extract the script from the package.
+
+    char* package_data = argv[3];
+    ZipArchive za;
+    int err;
+    err = mzOpenZipArchive(package_data, &za);
+    if (err != 0) {
+        fprintf(stderr, "failed to open package %s: %s\n",
+                package_data, strerror(err));
+        return 3;
+    }
+
+    const ZipEntry* script_entry = mzFindZipEntry(&za, SCRIPT_NAME);
+    if (script_entry == NULL) {
+        fprintf(stderr, "failed to find %s in %s\n", SCRIPT_NAME, package_data);
+        return 4;
+    }
+
+    char* script = malloc(script_entry->uncompLen+1);
+    if (!mzReadZipEntry(&za, script_entry, script, script_entry->uncompLen)) {
+        fprintf(stderr, "failed to read script from package\n");
+        return 5;
+    }
+    script[script_entry->uncompLen] = '\0';
+
+    // Configure edify's functions.
+
+    RegisterBuiltins();
+    RegisterInstallFunctions();
+    FinishRegistration();
+
+    // Parse the script.
+
+    Expr* root;
+    int error_count = 0;
+    yy_scan_string(script);
+    int error = yyparse(&root, &error_count);
+    if (error != 0 || error_count > 0) {
+        fprintf(stderr, "%d parse errors\n", error_count);
+        return 6;
+    }
+
+    // Evaluate the parsed script.
+
+    UpdaterInfo updater_info;
+    updater_info.cmd_pipe = cmd_pipe;
+    updater_info.package_zip = &za;
+    updater_info.version = atoi(version);
+
+    State state;
+    state.cookie = &updater_info;
+    state.script = script;
+    state.errmsg = NULL;
+
+    // Evaluate
+
+    char* result = Evaluate(&state, root);
+    if (result == NULL) {
+        if (state.errmsg == NULL) {
+            fprintf(stderr, "script aborted (no error message)\n");
+            fprintf(cmd_pipe, "ui_print script aborted (no error message)\n");
+        } else {
+            fprintf(stderr, "script aborted: %s\n", state.errmsg);
+            char* line = strtok(state.errmsg, "\n");
+            while (line) {
+                fprintf(cmd_pipe, "ui_print %s\n", line);
+                line = strtok(NULL, "\n");
+            }
+            fprintf(cmd_pipe, "ui_print\n");
+        }
+        free(state.errmsg);
+        return 7;
+    } else {
+        fprintf(stderr, "script result was [%s]\n", result);
+        free(result);
+    }
+
+    if (updater_info.package_zip) {
+        mzCloseZipArchive(updater_info.package_zip);
+    }
+    free(script);
+
+    return 0;
+}

bootable/recovery/updater/updater.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UPDATER_UPDATER_H_
+#define _UPDATER_UPDATER_H_
+
+#include <stdio.h>
+#include "minzip/Zip.h"
+
+typedef struct {
+    FILE* cmd_pipe;
+    ZipArchive* package_zip;
+    int version;
+} UpdaterInfo;
+
+#endif