Initial Contribution

Android.mk

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+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+commands_recovery_local_path := $(LOCAL_PATH)
+
+ifneq ($(TARGET_SIMULATOR),true)
+
+LOCAL_SRC_FILES := \
+	recovery.c \
+	bootloader.c \
+	commands.c \
+	firmware.c \
+	install.c \
+	roots.c \
+	ui.c \
+	verifier.c
+
+LOCAL_SRC_FILES += test_roots.c
+
+LOCAL_MODULE := recovery
+
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+
+# This binary is in the recovery ramdisk, which is otherwise a copy of root.
+# It gets copied there in config/Makefile.  LOCAL_MODULE_TAGS suppresses
+# a (redundant) copy of the binary in /system/bin for user builds.
+# TODO: Build the ramdisk image in a more principled way.
+
+LOCAL_MODULE_TAGS := eng
+
+LOCAL_STATIC_LIBRARIES := libminzip libunz libamend libmtdutils libmincrypt
+LOCAL_STATIC_LIBRARIES += libminui libpixelflinger_static libcutils
+LOCAL_STATIC_LIBRARIES += libstdc++ libc
+
+# Specify a C-includable file containing the OTA public keys.
+# This is built in config/Makefile.
+# *** THIS IS A TOTAL HACK; EXECUTABLES MUST NOT CHANGE BETWEEN DIFFERENT
+#     PRODUCTS/BUILD TYPES. ***
+# TODO: make recovery read the keys from an external file.
+RECOVERY_INSTALL_OTA_KEYS_INC := \
+	$(call intermediates-dir-for,PACKAGING,ota_keys_inc)/keys.inc
+# Let install.c say #include "keys.inc"
+LOCAL_C_INCLUDES += $(dir $(RECOVERY_INSTALL_OTA_KEYS_INC))
+
+include $(BUILD_EXECUTABLE)
+
+# Depend on the generated keys.inc containing the OTA public keys.
+$(intermediates)/install.o: $(RECOVERY_INSTALL_OTA_KEYS_INC)
+
+include $(commands_recovery_local_path)/minui/Android.mk
+
+endif	# !TARGET_SIMULATOR
+
+include $(commands_recovery_local_path)/amend/Android.mk
+include $(commands_recovery_local_path)/minzip/Android.mk
+include $(commands_recovery_local_path)/mtdutils/Android.mk
+commands_recovery_local_path :=

amend/Android.mk

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+# Copyright 2007 The Android Open Source Project
+#
+
+LOCAL_PATH := $(call my-dir)
+
+amend_src_files := \
+	amend.c \
+	lexer.l \
+	parser_y.y \
+	ast.c \
+	symtab.c \
+	commands.c \
+	permissions.c \
+	execute.c
+
+amend_test_files := \
+	test_symtab.c \
+	test_commands.c \
+	test_permissions.c
+
+# "-x c" forces the lex/yacc files to be compiled as c;
+# the build system otherwise forces them to be c++.
+amend_cflags := -Wall -x c
+
+#
+# Build the host-side command line tool
+#
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+		$(amend_src_files) \
+		$(amend_test_files) \
+		register.c \
+		main.c
+
+LOCAL_CFLAGS := $(amend_cflags) -g -O0
+LOCAL_MODULE := amend
+LOCAL_YACCFLAGS := -v
+
+include $(BUILD_HOST_EXECUTABLE)
+
+#
+# Build the device-side library
+#
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(amend_src_files)
+LOCAL_SRC_FILES += $(amend_test_files)
+
+LOCAL_CFLAGS := $(amend_cflags)
+LOCAL_MODULE := libamend
+
+include $(BUILD_STATIC_LIBRARY)

amend/amend.c

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2007 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 <stdlib.h>
+#include "amend.h"
+#include "lexer.h"
+
+extern const AmCommandList *gCommands;
+
+const AmCommandList *
+parseAmendScript(const char *buf, size_t bufLen)
+{
+    setLexerInputBuffer(buf, bufLen);
+    int ret = yyparse();
+    if (ret != 0) {
+        return NULL;
+    }
+    return gCommands;
+}

amend/amend.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2007 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 AMEND_H_
+#define AMEND_H_
+
+#include "ast.h"
+#include "execute.h"
+
+const AmCommandList *parseAmendScript(const char *buf, size_t bufLen);
+
+#endif  // AMEND_H_

amend/ast.c

@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2007 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 "ast.h"
+
+static const char gSpaces[] =
+    "                                                                "
+    "                                                                "
+    "                                                                "
+    "                                                                "
+    "                                                                "
+    "                                                                "
+    "                                                                ";
+const int gSpacesMax = sizeof(gSpaces) - 1;
+
+static const char *
+pad(int level)
+{
+    level *= 4;
+    if (level > gSpacesMax) {
+        level = gSpacesMax;
+    }
+    return gSpaces + gSpacesMax - level;
+}
+
+void dumpBooleanValue(int level, const AmBooleanValue *booleanValue);
+void dumpStringValue(int level, const AmStringValue *stringValue);
+
+void
+dumpBooleanExpression(int level, const AmBooleanExpression *booleanExpression)
+{
+    const char *op;
+    bool unary = false;
+
+    switch (booleanExpression->op) {
+    case AM_BOP_NOT:
+        op = "NOT";
+        unary = true;
+        break;
+    case AM_BOP_EQ:
+        op = "EQ";
+        break;
+    case AM_BOP_NE:
+        op = "NE";
+        break;
+    case AM_BOP_AND:
+        op = "AND";
+        break;
+    case AM_BOP_OR:
+        op = "OR";
+        break;
+    default:
+        op = "??";
+        break;
+    }
+
+    printf("%sBOOLEAN %s {\n", pad(level), op);
+    dumpBooleanValue(level + 1, booleanExpression->arg1);
+    if (!unary) {
+        dumpBooleanValue(level + 1, booleanExpression->arg2);
+    }
+    printf("%s}\n", pad(level));
+}
+
+void
+dumpFunctionArguments(int level, const AmFunctionArguments *functionArguments)
+{
+    int i;
+    for (i = 0; i < functionArguments->argc; i++) {
+        dumpStringValue(level, &functionArguments->argv[i]);
+    }
+}
+
+void
+dumpFunctionCall(int level, const AmFunctionCall *functionCall)
+{
+    printf("%sFUNCTION %s (\n", pad(level), functionCall->name);
+    dumpFunctionArguments(level + 1, functionCall->args);
+    printf("%s)\n", pad(level));
+}
+
+void
+dumpStringValue(int level, const AmStringValue *stringValue)
+{
+    switch (stringValue->type) {
+    case AM_SVAL_LITERAL:
+        printf("%s\"%s\"\n", pad(level), stringValue->u.literal);
+        break;
+    case AM_SVAL_FUNCTION:
+        dumpFunctionCall(level, stringValue->u.function);
+        break;
+    default:
+        printf("%s<UNKNOWN SVAL TYPE %d>\n", pad(level), stringValue->type);
+        break;
+    }
+}
+
+void
+dumpStringComparisonExpression(int level,
+        const AmStringComparisonExpression *stringComparisonExpression)
+{
+    const char *op;
+
+    switch (stringComparisonExpression->op) {
+    case AM_SOP_LT:
+        op = "LT";
+        break;
+    case AM_SOP_LE:
+        op = "LE";
+        break;
+    case AM_SOP_GT:
+        op = "GT";
+        break;
+    case AM_SOP_GE:
+        op = "GE";
+        break;
+    case AM_SOP_EQ:
+        op = "EQ";
+        break;
+    case AM_SOP_NE:
+        op = "NE";
+        break;
+    default:
+        op = "??";
+        break;
+    }
+    printf("%sSTRING %s {\n", pad(level), op);
+    dumpStringValue(level + 1, stringComparisonExpression->arg1);
+    dumpStringValue(level + 1, stringComparisonExpression->arg2);
+    printf("%s}\n", pad(level));
+}
+
+void
+dumpBooleanValue(int level, const AmBooleanValue *booleanValue)
+{
+    switch (booleanValue->type) {
+    case AM_BVAL_EXPRESSION:
+        dumpBooleanExpression(level, &booleanValue->u.expression);
+        break;
+    case AM_BVAL_STRING_COMPARISON:
+        dumpStringComparisonExpression(level,
+                &booleanValue->u.stringComparison);
+        break;
+    default:
+        printf("%s<UNKNOWN BVAL TYPE %d>\n", pad(1), booleanValue->type);
+        break;
+    }
+}
+
+void
+dumpWordList(const AmWordList *wordList)
+{
+    int i;
+    for (i = 0; i < wordList->argc; i++) {
+        printf("%s\"%s\"\n", pad(1), wordList->argv[i]);
+    }
+}
+
+void
+dumpCommandArguments(const AmCommandArguments *commandArguments)
+{
+    if (commandArguments->booleanArgs) {
+        dumpBooleanValue(1, commandArguments->u.b);
+    } else {
+        dumpWordList(commandArguments->u.w);
+    }
+}
+
+void
+dumpCommand(const AmCommand *command)
+{
+    printf("command \"%s\" {\n", command->name);
+    dumpCommandArguments(command->args);
+    printf("}\n");
+}
+
+void
+dumpCommandList(const AmCommandList *commandList)
+{
+    int i;
+    for (i = 0; i < commandList->commandCount; i++) {
+        dumpCommand(commandList->commands[i]);
+    }
+}