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-rw-r--r--updater/Android.mk30
-rw-r--r--updater/install.c788
-rw-r--r--updater/install.h22
-rw-r--r--updater/updater.c128
-rw-r--r--updater/updater.h28
5 files changed, 996 insertions, 0 deletions
diff --git a/updater/Android.mk b/updater/Android.mk
new file mode 100644
index 000000000..897b9d74c
--- /dev/null
+++ b/updater/Android.mk
@@ -0,0 +1,30 @@
+# 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)
+
+LOCAL_STATIC_LIBRARIES := libapplypatch libedify libmtdutils libminzip libz
+LOCAL_STATIC_LIBRARIES += libmincrypt libbz
+LOCAL_STATIC_LIBRARIES += libcutils libstdc++ libc
+LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
+
+LOCAL_MODULE := updater
+
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+
+include $(BUILD_EXECUTABLE)
diff --git a/updater/install.c b/updater/install.c
new file mode 100644
index 000000000..c4f5e0341
--- /dev/null
+++ b/updater/install.c
@@ -0,0 +1,788 @@
+/*
+ * 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 <ctype.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "cutils/misc.h"
+#include "cutils/properties.h"
+#include "edify/expr.h"
+#include "minzip/DirUtil.h"
+#include "mtdutils/mounts.h"
+#include "mtdutils/mtdutils.h"
+#include "updater.h"
+
+
+// mount(type, location, mount_point)
+//
+// what: type="MTD" location="<partition>" to mount a yaffs2 filesystem
+// type="vfat" location="/dev/block/<whatever>" to mount a device
+char* MountFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 3) {
+ return ErrorAbort(state, "%s() expects 3 args, got %d", name, argc);
+ }
+ char* type;
+ char* location;
+ char* mount_point;
+ if (ReadArgs(state, argv, 3, &type, &location, &mount_point) < 0) {
+ return NULL;
+ }
+
+ if (strlen(type) == 0) {
+ ErrorAbort(state, "type argument to %s() can't be empty", name);
+ goto done;
+ }
+ if (strlen(location) == 0) {
+ ErrorAbort(state, "location argument to %s() can't be empty", name);
+ goto done;
+ }
+ if (strlen(mount_point) == 0) {
+ ErrorAbort(state, "mount_point argument to %s() can't be empty", name);
+ goto done;
+ }
+
+ mkdir(mount_point, 0755);
+
+ if (strcmp(type, "MTD") == 0) {
+ mtd_scan_partitions();
+ const MtdPartition* mtd;
+ mtd = mtd_find_partition_by_name(location);
+ if (mtd == NULL) {
+ fprintf(stderr, "%s: no mtd partition named \"%s\"",
+ name, location);
+ result = strdup("");
+ goto done;
+ }
+ if (mtd_mount_partition(mtd, mount_point, "yaffs2", 0 /* rw */) != 0) {
+ fprintf(stderr, "mtd mount of %s failed: %s\n",
+ location, strerror(errno));
+ result = strdup("");
+ goto done;
+ }
+ result = mount_point;
+ } else {
+ if (mount(location, mount_point, type,
+ MS_NOATIME | MS_NODEV | MS_NODIRATIME, "") < 0) {
+ result = strdup("");
+ } else {
+ result = mount_point;
+ }
+ }
+
+done:
+ free(type);
+ free(location);
+ if (result != mount_point) free(mount_point);
+ return result;
+}
+
+
+// is_mounted(mount_point)
+char* IsMountedFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 1) {
+ return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* mount_point;
+ if (ReadArgs(state, argv, 1, &mount_point) < 0) {
+ return NULL;
+ }
+ if (strlen(mount_point) == 0) {
+ ErrorAbort(state, "mount_point argument to unmount() can't be empty");
+ goto done;
+ }
+
+ scan_mounted_volumes();
+ const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
+ if (vol == NULL) {
+ result = strdup("");
+ } else {
+ result = mount_point;
+ }
+
+done:
+ if (result != mount_point) free(mount_point);
+ return result;
+}
+
+
+char* UnmountFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 1) {
+ return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* mount_point;
+ if (ReadArgs(state, argv, 1, &mount_point) < 0) {
+ return NULL;
+ }
+ if (strlen(mount_point) == 0) {
+ ErrorAbort(state, "mount_point argument to unmount() can't be empty");
+ goto done;
+ }
+
+ scan_mounted_volumes();
+ const MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point);
+ if (vol == NULL) {
+ fprintf(stderr, "unmount of %s failed; no such volume\n", mount_point);
+ result = strdup("");
+ } else {
+ unmount_mounted_volume(vol);
+ result = mount_point;
+ }
+
+done:
+ if (result != mount_point) free(mount_point);
+ return result;
+}
+
+
+// format(type, location)
+//
+// type="MTD" location=partition
+char* FormatFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ if (argc != 2) {
+ return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
+ }
+ char* type;
+ char* location;
+ if (ReadArgs(state, argv, 2, &type, &location) < 0) {
+ return NULL;
+ }
+
+ if (strlen(type) == 0) {
+ ErrorAbort(state, "type argument to %s() can't be empty", name);
+ goto done;
+ }
+ if (strlen(location) == 0) {
+ ErrorAbort(state, "location argument to %s() can't be empty", name);
+ goto done;
+ }
+
+ if (strcmp(type, "MTD") == 0) {
+ mtd_scan_partitions();
+ const MtdPartition* mtd = mtd_find_partition_by_name(location);
+ if (mtd == NULL) {
+ fprintf(stderr, "%s: no mtd partition named \"%s\"",
+ name, location);
+ result = strdup("");
+ goto done;
+ }
+ MtdWriteContext* ctx = mtd_write_partition(mtd);
+ if (ctx == NULL) {
+ fprintf(stderr, "%s: can't write \"%s\"", name, location);
+ result = strdup("");
+ goto done;
+ }
+ if (mtd_erase_blocks(ctx, -1) == -1) {
+ mtd_write_close(ctx);
+ fprintf(stderr, "%s: failed to erase \"%s\"", name, location);
+ result = strdup("");
+ goto done;
+ }
+ if (mtd_write_close(ctx) != 0) {
+ fprintf(stderr, "%s: failed to close \"%s\"", name, location);
+ result = strdup("");
+ goto done;
+ }
+ result = location;
+ } else {
+ fprintf(stderr, "%s: unsupported type \"%s\"", name, type);
+ }
+
+done:
+ free(type);
+ if (result != location) free(location);
+ return result;
+}
+
+
+char* DeleteFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char** paths = malloc(argc * sizeof(char*));
+ int i;
+ for (i = 0; i < argc; ++i) {
+ paths[i] = Evaluate(state, argv[i]);
+ if (paths[i] == NULL) {
+ int j;
+ for (j = 0; j < i; ++i) {
+ free(paths[j]);
+ }
+ free(paths);
+ return NULL;
+ }
+ }
+
+ bool recursive = (strcmp(name, "delete_recursive") == 0);
+
+ int success = 0;
+ for (i = 0; i < argc; ++i) {
+ if ((recursive ? dirUnlinkHierarchy(paths[i]) : unlink(paths[i])) == 0)
+ ++success;
+ free(paths[i]);
+ }
+ free(paths);
+
+ char buffer[10];
+ sprintf(buffer, "%d", success);
+ return strdup(buffer);
+}
+
+
+char* ShowProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 2) {
+ return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
+ }
+ char* frac_str;
+ char* sec_str;
+ if (ReadArgs(state, argv, 2, &frac_str, &sec_str) < 0) {
+ return NULL;
+ }
+
+ double frac = strtod(frac_str, NULL);
+ int sec = strtol(sec_str, NULL, 10);
+
+ UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
+ fprintf(ui->cmd_pipe, "progress %f %d\n", frac, sec);
+
+ free(sec_str);
+ return frac_str;
+}
+
+char* SetProgressFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 1) {
+ return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* frac_str;
+ if (ReadArgs(state, argv, 1, &frac_str) < 0) {
+ return NULL;
+ }
+
+ double frac = strtod(frac_str, NULL);
+
+ UpdaterInfo* ui = (UpdaterInfo*)(state->cookie);
+ fprintf(ui->cmd_pipe, "set_progress %f\n", frac);
+
+ return frac_str;
+}
+
+// package_extract_dir(package_path, destination_path)
+char* PackageExtractDirFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ if (argc != 2) {
+ return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
+ }
+ char* zip_path;
+ char* dest_path;
+ if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
+
+ ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
+
+ // To create a consistent system image, never use the clock for timestamps.
+ struct utimbuf timestamp = { 1217592000, 1217592000 }; // 8/1/2008 default
+
+ bool success = mzExtractRecursive(za, zip_path, dest_path,
+ MZ_EXTRACT_FILES_ONLY, &timestamp,
+ NULL, NULL);
+ free(zip_path);
+ free(dest_path);
+ return strdup(success ? "t" : "");
+}
+
+
+// package_extract_file(package_path, destination_path)
+char* PackageExtractFileFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ if (argc != 2) {
+ return ErrorAbort(state, "%s() expects 2 args, got %d", name, argc);
+ }
+ char* zip_path;
+ char* dest_path;
+ if (ReadArgs(state, argv, 2, &zip_path, &dest_path) < 0) return NULL;
+
+ bool success = false;
+
+ ZipArchive* za = ((UpdaterInfo*)(state->cookie))->package_zip;
+ const ZipEntry* entry = mzFindZipEntry(za, zip_path);
+ if (entry == NULL) {
+ fprintf(stderr, "%s: no %s in package\n", name, zip_path);
+ goto done;
+ }
+
+ FILE* f = fopen(dest_path, "wb");
+ if (f == NULL) {
+ fprintf(stderr, "%s: can't open %s for write: %s\n",
+ name, dest_path, strerror(errno));
+ goto done;
+ }
+ success = mzExtractZipEntryToFile(za, entry, fileno(f));
+ fclose(f);
+
+ done:
+ free(zip_path);
+ free(dest_path);
+ return strdup(success ? "t" : "");
+}
+
+
+// symlink target src1 src2 ...
+char* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc == 0) {
+ return ErrorAbort(state, "%s() expects 1+ args, got %d", name, argc);
+ }
+ char* target;
+ target = Evaluate(state, argv[0]);
+ if (target == NULL) return NULL;
+
+ char** srcs = ReadVarArgs(state, argc-1, argv+1);
+ if (srcs == NULL) {
+ free(target);
+ return NULL;
+ }
+
+ int i;
+ for (i = 0; i < argc-1; ++i) {
+ symlink(target, srcs[i]);
+ free(srcs[i]);
+ }
+ free(srcs);
+ return strdup("");
+}
+
+
+char* SetPermFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ bool recursive = (strcmp(name, "set_perm_recursive") == 0);
+
+ int min_args = 4 + (recursive ? 1 : 0);
+ if (argc < min_args) {
+ return ErrorAbort(state, "%s() expects %d+ args, got %d", name, argc);
+ }
+
+ char** args = ReadVarArgs(state, argc, argv);
+ if (args == NULL) return NULL;
+
+ char* end;
+ int i;
+
+ int uid = strtoul(args[0], &end, 0);
+ if (*end != '\0' || args[0][0] == 0) {
+ ErrorAbort(state, "%s: \"%s\" not a valid uid", name, args[0]);
+ goto done;
+ }
+
+ int gid = strtoul(args[1], &end, 0);
+ if (*end != '\0' || args[1][0] == 0) {
+ ErrorAbort(state, "%s: \"%s\" not a valid gid", name, args[1]);
+ goto done;
+ }
+
+ if (recursive) {
+ int dir_mode = strtoul(args[2], &end, 0);
+ if (*end != '\0' || args[2][0] == 0) {
+ ErrorAbort(state, "%s: \"%s\" not a valid dirmode", name, args[2]);
+ goto done;
+ }
+
+ int file_mode = strtoul(args[3], &end, 0);
+ if (*end != '\0' || args[3][0] == 0) {
+ ErrorAbort(state, "%s: \"%s\" not a valid filemode",
+ name, args[3]);
+ goto done;
+ }
+
+ for (i = 4; i < argc; ++i) {
+ dirSetHierarchyPermissions(args[i], uid, gid, dir_mode, file_mode);
+ }
+ } else {
+ int mode = strtoul(args[2], &end, 0);
+ if (*end != '\0' || args[2][0] == 0) {
+ ErrorAbort(state, "%s: \"%s\" not a valid mode", name, args[2]);
+ goto done;
+ }
+
+ for (i = 3; i < argc; ++i) {
+ chown(args[i], uid, gid);
+ chmod(args[i], mode);
+ }
+ }
+ result = strdup("");
+
+done:
+ for (i = 0; i < argc; ++i) {
+ free(args[i]);
+ }
+ free(args);
+
+ return result;
+}
+
+
+char* GetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc != 1) {
+ return ErrorAbort(state, "%s() expects 1 arg, got %d", name, argc);
+ }
+ char* key;
+ key = Evaluate(state, argv[0]);
+ if (key == NULL) return NULL;
+
+ char value[PROPERTY_VALUE_MAX];
+ property_get(key, value, "");
+ free(key);
+
+ return strdup(value);
+}
+
+
+// file_getprop(file, key)
+//
+// interprets 'file' as a getprop-style file (key=value pairs, one
+// per line, # comment lines and blank lines okay), and returns the value
+// for 'key' (or "" if it isn't defined).
+char* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+ char* buffer = NULL;
+ char* filename;
+ char* key;
+ if (ReadArgs(state, argv, 2, &filename, &key) < 0) {
+ return NULL;
+ }
+
+ struct stat st;
+ if (stat(filename, &st) < 0) {
+ ErrorAbort(state, "%s: failed to stat \"%s\": %s",
+ name, filename, strerror(errno));
+ goto done;
+ }
+
+#define MAX_FILE_GETPROP_SIZE 65536
+
+ if (st.st_size > MAX_FILE_GETPROP_SIZE) {
+ ErrorAbort(state, "%s too large for %s (max %d)",
+ filename, name, MAX_FILE_GETPROP_SIZE);
+ goto done;
+ }
+
+ buffer = malloc(st.st_size+1);
+ if (buffer == NULL) {
+ ErrorAbort(state, "%s: failed to alloc %d bytes", name, st.st_size+1);
+ goto done;
+ }
+
+ FILE* f = fopen(filename, "rb");
+ if (f == NULL) {
+ ErrorAbort(state, "%s: failed to open %s: %s",
+ name, filename, strerror(errno));
+ goto done;
+ }
+
+ if (fread(buffer, 1, st.st_size, f) != st.st_size) {
+ ErrorAbort(state, "%s: failed to read %d bytes from %s",
+ name, st.st_size+1, filename);
+ fclose(f);
+ goto done;
+ }
+ buffer[st.st_size] = '\0';
+
+ fclose(f);
+
+ char* line = strtok(buffer, "\n");
+ do {
+ // skip whitespace at start of line
+ while (*line && isspace(*line)) ++line;
+
+ // comment or blank line: skip to next line
+ if (*line == '\0' || *line == '#') continue;
+
+ char* equal = strchr(line, '=');
+ if (equal == NULL) {
+ ErrorAbort(state, "%s: malformed line \"%s\": %s not a prop file?",
+ name, line, filename);
+ goto done;
+ }
+
+ // trim whitespace between key and '='
+ char* key_end = equal-1;
+ while (key_end > line && isspace(*key_end)) --key_end;
+ key_end[1] = '\0';
+
+ // not the key we're looking for
+ if (strcmp(key, line) != 0) continue;
+
+ // skip whitespace after the '=' to the start of the value
+ char* val_start = equal+1;
+ while(*val_start && isspace(*val_start)) ++val_start;
+
+ // trim trailing whitespace
+ char* val_end = val_start + strlen(val_start)-1;
+ while (val_end > val_start && isspace(*val_end)) --val_end;
+ val_end[1] = '\0';
+
+ result = strdup(val_start);
+ break;
+
+ } while ((line = strtok(NULL, "\n")));
+
+ if (result == NULL) result = strdup("");
+
+ done:
+ free(filename);
+ free(key);
+ free(buffer);
+ return result;
+}
+
+
+static bool write_raw_image_cb(const unsigned char* data,
+ int data_len, void* ctx) {
+ int r = mtd_write_data((MtdWriteContext*)ctx, (const char *)data, data_len);
+ if (r == data_len) return true;
+ fprintf(stderr, "%s\n", strerror(errno));
+ return false;
+}
+
+// write_raw_image(file, partition)
+char* WriteRawImageFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char* result = NULL;
+
+ char* partition;
+ char* filename;
+ if (ReadArgs(state, argv, 2, &filename, &partition) < 0) {
+ return NULL;
+ }
+
+ if (strlen(partition) == 0) {
+ ErrorAbort(state, "partition argument to %s can't be empty", name);
+ goto done;
+ }
+ if (strlen(filename) == 0) {
+ ErrorAbort(state, "file argument to %s can't be empty", name);
+ goto done;
+ }
+
+ mtd_scan_partitions();
+ const MtdPartition* mtd = mtd_find_partition_by_name(partition);
+ if (mtd == NULL) {
+ fprintf(stderr, "%s: no mtd partition named \"%s\"\n", name, partition);
+ result = strdup("");
+ goto done;
+ }
+
+ MtdWriteContext* ctx = mtd_write_partition(mtd);
+ if (ctx == NULL) {
+ fprintf(stderr, "%s: can't write mtd partition \"%s\"\n",
+ name, partition);
+ result = strdup("");
+ goto done;
+ }
+
+ bool success;
+
+ FILE* f = fopen(filename, "rb");
+ if (f == NULL) {
+ fprintf(stderr, "%s: can't open %s: %s\n",
+ name, filename, strerror(errno));
+ result = strdup("");
+ goto done;
+ }
+
+ success = true;
+ char* buffer = malloc(BUFSIZ);
+ int read;
+ while (success && (read = fread(buffer, 1, BUFSIZ, f)) > 0) {
+ int wrote = mtd_write_data(ctx, buffer, read);
+ success = success && (wrote == read);
+ if (!success) {
+ fprintf(stderr, "mtd_write_data to %s failed: %s\n",
+ partition, strerror(errno));
+ }
+ }
+ free(buffer);
+ fclose(f);
+
+ if (mtd_erase_blocks(ctx, -1) == -1) {
+ fprintf(stderr, "%s: error erasing blocks of %s\n", name, partition);
+ }
+ if (mtd_write_close(ctx) != 0) {
+ fprintf(stderr, "%s: error closing write of %s\n", name, partition);
+ }
+
+ printf("%s %s partition from %s\n",
+ success ? "wrote" : "failed to write", partition, filename);
+
+ result = success ? partition : strdup("");
+
+done:
+ if (result != partition) free(partition);
+ free(filename);
+ return result;
+}
+
+// write_firmware_image(file, partition)
+//
+// partition is "radio" or "hboot"
+// file is not used until after updater exits
+//
+// TODO: this should live in some HTC-specific library
+char* WriteFirmwareImageFn(const char* name, State* state,
+ int argc, Expr* argv[]) {
+ char* result = NULL;
+
+ char* partition;
+ char* filename;
+ if (ReadArgs(state, argv, 2, &filename, &partition) < 0) {
+ return NULL;
+ }
+
+ if (strlen(partition) == 0) {
+ ErrorAbort(state, "partition argument to %s can't be empty", name);
+ goto done;
+ }
+ if (strlen(filename) == 0) {
+ ErrorAbort(state, "file argument to %s can't be empty", name);
+ goto done;
+ }
+
+ FILE* cmd = ((UpdaterInfo*)(state->cookie))->cmd_pipe;
+ fprintf(cmd, "firmware %s %s\n", partition, filename);
+
+ printf("will write %s firmware from %s\n", partition, filename);
+ result = partition;
+
+done:
+ if (result != partition) free(partition);
+ free(filename);
+ return result;
+}
+
+
+extern int applypatch(int argc, char** argv);
+
+// apply_patch(srcfile, tgtfile, tgtsha1, tgtsize, sha1:patch, ...)
+// apply_patch_check(file, sha1, ...)
+// apply_patch_space(bytes)
+char* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) {
+ printf("in applypatchfn (%s)\n", name);
+
+ char* prepend = NULL;
+ if (strstr(name, "check") != NULL) {
+ prepend = "-c";
+ } else if (strstr(name, "space") != NULL) {
+ prepend = "-s";
+ }
+
+ char** args = ReadVarArgs(state, argc, argv);
+ if (args == NULL) return NULL;
+
+ // insert the "program name" argv[0] and a copy of the "prepend"
+ // string (if any) at the start of the args.
+
+ int extra = 1 + (prepend != NULL ? 1 : 0);
+ char** temp = malloc((argc+extra) * sizeof(char*));
+ memcpy(temp+extra, args, argc * sizeof(char*));
+ temp[0] = strdup("updater");
+ if (prepend) {
+ temp[1] = strdup(prepend);
+ }
+ free(args);
+ args = temp;
+ argc += extra;
+
+ printf("calling applypatch\n");
+ fflush(stdout);
+ int result = applypatch(argc, args);
+ printf("applypatch returned %d\n", result);
+
+ int i;
+ for (i = 0; i < argc; ++i) {
+ free(args[i]);
+ }
+ free(args);
+
+ switch (result) {
+ case 0: return strdup("t");
+ case 1: return strdup("");
+ default: return ErrorAbort(state, "applypatch couldn't parse args");
+ }
+}
+
+char* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
+ char** args = ReadVarArgs(state, argc, argv);
+ if (args == NULL) {
+ return NULL;
+ }
+
+ int size = 0;
+ int i;
+ for (i = 0; i < argc; ++i) {
+ size += strlen(args[i]);
+ }
+ char* buffer = malloc(size+1);
+ size = 0;
+ for (i = 0; i < argc; ++i) {
+ strcpy(buffer+size, args[i]);
+ size += strlen(args[i]);
+ free(args[i]);
+ }
+ free(args);
+ buffer[size] = '\0';
+
+ char* line = strtok(buffer, "\n");
+ while (line) {
+ fprintf(((UpdaterInfo*)(state->cookie))->cmd_pipe,
+ "ui_print %s\n", line);
+ line = strtok(NULL, "\n");
+ }
+ fprintf(((UpdaterInfo*)(state->cookie))->cmd_pipe, "ui_print\n");
+
+ return buffer;
+}
+
+
+void RegisterInstallFunctions() {
+ RegisterFunction("mount", MountFn);
+ RegisterFunction("is_mounted", IsMountedFn);
+ RegisterFunction("unmount", UnmountFn);
+ RegisterFunction("format", FormatFn);
+ RegisterFunction("show_progress", ShowProgressFn);
+ RegisterFunction("set_progress", SetProgressFn);
+ RegisterFunction("delete", DeleteFn);
+ RegisterFunction("delete_recursive", DeleteFn);
+ RegisterFunction("package_extract_dir", PackageExtractDirFn);
+ RegisterFunction("package_extract_file", PackageExtractFileFn);
+ RegisterFunction("symlink", SymlinkFn);
+ RegisterFunction("set_perm", SetPermFn);
+ RegisterFunction("set_perm_recursive", SetPermFn);
+
+ RegisterFunction("getprop", GetPropFn);
+ RegisterFunction("file_getprop", FileGetPropFn);
+ RegisterFunction("write_raw_image", WriteRawImageFn);
+ RegisterFunction("write_firmware_image", WriteFirmwareImageFn);
+
+ RegisterFunction("apply_patch", ApplyPatchFn);
+ RegisterFunction("apply_patch_check", ApplyPatchFn);
+ RegisterFunction("apply_patch_space", ApplyPatchFn);
+
+ RegisterFunction("ui_print", UIPrintFn);
+}
diff --git a/updater/install.h b/updater/install.h
new file mode 100644
index 000000000..94f344f8e
--- /dev/null
+++ b/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
diff --git a/updater/updater.c b/updater/updater.c
new file mode 100644
index 000000000..31d93ae96
--- /dev/null
+++ b/updater/updater.c
@@ -0,0 +1,128 @@
+/*
+ * 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) {
+ 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[1] != '\0') {
+ // We support version "1" or "2".
+ fprintf(stderr, "wrong updater binary API; expected 1 or 2, 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;
+
+ State state;
+ state.cookie = &updater_info;
+ state.script = script;
+ state.errmsg = NULL;
+
+ 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);
+ }
+
+ mzCloseZipArchive(&za);
+ free(script);
+
+ return 0;
+}
diff --git a/updater/updater.h b/updater/updater.h
new file mode 100644
index 000000000..22fbfd285
--- /dev/null
+++ b/updater/updater.h
@@ -0,0 +1,28 @@
+/*
+ * 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;
+} UpdaterInfo;
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 00:55:05 +0100