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-rw-r--r--cmds/idmap/scan.cpp239
1 files changed, 0 insertions, 239 deletions
diff --git a/cmds/idmap/scan.cpp b/cmds/idmap/scan.cpp
deleted file mode 100644
index ab6adfb9475f..000000000000
--- a/cmds/idmap/scan.cpp
+++ /dev/null
@@ -1,239 +0,0 @@
-#include <dirent.h>
-#include <inttypes.h>
-#include <sys/file.h>
-#include <sys/stat.h>
-
-#include "idmap.h"
-
-#include <memory>
-#include <androidfw/ResourceTypes.h>
-#include <androidfw/StreamingZipInflater.h>
-#include <androidfw/ZipFileRO.h>
-#include <private/android_filesystem_config.h> // for AID_SYSTEM
-#include <utils/SortedVector.h>
-#include <utils/String16.h>
-#include <utils/String8.h>
-
-#define NO_OVERLAY_TAG (-1000)
-
-using namespace android;
-
-namespace {
- struct Overlay {
- Overlay() {}
- Overlay(const String8& a, const String8& i, int p) :
- apk_path(a), idmap_path(i), priority(p) {}
-
- bool operator<(Overlay const& rhs) const
- {
- return rhs.priority > priority;
- }
-
- String8 apk_path;
- String8 idmap_path;
- int priority;
- };
-
- bool writePackagesList(const char *filename, const SortedVector<Overlay>& overlayVector)
- {
- // the file is opened for appending so that it doesn't get truncated
- // before we can guarantee mutual exclusion via the flock
- FILE* fout = fopen(filename, "a");
- if (fout == NULL) {
- return false;
- }
-
- if (TEMP_FAILURE_RETRY(flock(fileno(fout), LOCK_EX)) != 0) {
- fclose(fout);
- return false;
- }
-
- if (TEMP_FAILURE_RETRY(ftruncate(fileno(fout), 0)) != 0) {
- TEMP_FAILURE_RETRY(flock(fileno(fout), LOCK_UN));
- fclose(fout);
- return false;
- }
-
- for (size_t i = 0; i < overlayVector.size(); ++i) {
- const Overlay& overlay = overlayVector[i];
- fprintf(fout, "%s %s\n", overlay.apk_path.string(), overlay.idmap_path.string());
- }
-
- TEMP_FAILURE_RETRY(fflush(fout));
- TEMP_FAILURE_RETRY(flock(fileno(fout), LOCK_UN));
- fclose(fout);
-
- // Make file world readable since Zygote (running as root) will read
- // it when creating the initial AssetManger object
- const mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; // 0644
- if (chmod(filename, mode) == -1) {
- unlink(filename);
- return false;
- }
-
- return true;
- }
-
- String8 flatten_path(const char *path)
- {
- String16 tmp(path);
- tmp.replaceAll('/', '@');
- return String8(tmp);
- }
-
- int parse_overlay_tag(const ResXMLTree& parser, const char *target_package_name)
- {
- const size_t N = parser.getAttributeCount();
- String16 target;
- int priority = -1;
- for (size_t i = 0; i < N; ++i) {
- size_t len;
- String16 key(parser.getAttributeName(i, &len));
- if (key == String16("targetPackage")) {
- const char16_t *p = parser.getAttributeStringValue(i, &len);
- if (p != NULL) {
- target = String16(p, len);
- }
- } else if (key == String16("priority")) {
- Res_value v;
- if (parser.getAttributeValue(i, &v) == sizeof(Res_value)) {
- priority = v.data;
- if (priority < 0 || priority > 9999) {
- return -1;
- }
- }
- }
- }
- if (target == String16(target_package_name)) {
- return priority;
- }
- return NO_OVERLAY_TAG;
- }
-
- int parse_manifest(const void *data, size_t size, const char *target_package_name)
- {
- ResXMLTree parser;
- parser.setTo(data, size);
- if (parser.getError() != NO_ERROR) {
- ALOGD("%s failed to init xml parser, error=0x%08x\n", __FUNCTION__, parser.getError());
- return -1;
- }
-
- ResXMLParser::event_code_t type;
- do {
- type = parser.next();
- if (type == ResXMLParser::START_TAG) {
- size_t len;
- String16 tag(parser.getElementName(&len));
- if (tag == String16("overlay")) {
- return parse_overlay_tag(parser, target_package_name);
- }
- }
- } while (type != ResXMLParser::BAD_DOCUMENT && type != ResXMLParser::END_DOCUMENT);
-
- return NO_OVERLAY_TAG;
- }
-
- int parse_apk(const char *path, const char *target_package_name)
- {
- std::unique_ptr<ZipFileRO> zip(ZipFileRO::open(path));
- if (zip.get() == NULL) {
- ALOGW("%s: failed to open zip %s\n", __FUNCTION__, path);
- return -1;
- }
- ZipEntryRO entry;
- if ((entry = zip->findEntryByName("AndroidManifest.xml")) == NULL) {
- ALOGW("%s: failed to find entry AndroidManifest.xml\n", __FUNCTION__);
- return -1;
- }
- uint32_t uncompLen = 0;
- uint16_t method;
- if (!zip->getEntryInfo(entry, &method, &uncompLen, NULL, NULL, NULL, NULL)) {
- ALOGW("%s: failed to read entry info\n", __FUNCTION__);
- return -1;
- }
- if (method != ZipFileRO::kCompressDeflated) {
- ALOGW("%s: cannot handle zip compression method %" PRIu16 "\n", __FUNCTION__, method);
- return -1;
- }
- FileMap *dataMap = zip->createEntryFileMap(entry);
- if (dataMap == NULL) {
- ALOGW("%s: failed to create FileMap\n", __FUNCTION__);
- return -1;
- }
- char *buf = new char[uncompLen];
- if (NULL == buf) {
- ALOGW("%s: failed to allocate %" PRIu32 " byte\n", __FUNCTION__, uncompLen);
- delete dataMap;
- return -1;
- }
- StreamingZipInflater inflater(dataMap, uncompLen);
- if (inflater.read(buf, uncompLen) < 0) {
- ALOGW("%s: failed to inflate %" PRIu32 " byte\n", __FUNCTION__, uncompLen);
- delete[] buf;
- delete dataMap;
- return -1;
- }
-
- int priority = parse_manifest(buf, static_cast<size_t>(uncompLen), target_package_name);
- delete[] buf;
- delete dataMap;
- return priority;
- }
-}
-
-int idmap_scan(const char *target_package_name, const char *target_apk_path,
- const char *idmap_dir, const android::Vector<const char *> *overlay_dirs)
-{
- String8 filename = String8(idmap_dir);
- filename.appendPath("overlays.list");
-
- SortedVector<Overlay> overlayVector;
- const size_t N = overlay_dirs->size();
- for (size_t i = 0; i < N; ++i) {
- const char *overlay_dir = overlay_dirs->itemAt(i);
- DIR *dir = opendir(overlay_dir);
- if (dir == NULL) {
- return EXIT_FAILURE;
- }
-
- struct dirent *dirent;
- while ((dirent = readdir(dir)) != NULL) {
- struct stat st;
- char overlay_apk_path[PATH_MAX + 1];
- snprintf(overlay_apk_path, PATH_MAX, "%s/%s", overlay_dir, dirent->d_name);
- if (stat(overlay_apk_path, &st) < 0) {
- continue;
- }
- if (!S_ISREG(st.st_mode)) {
- continue;
- }
-
- int priority = parse_apk(overlay_apk_path, target_package_name);
- if (priority < 0) {
- continue;
- }
-
- String8 idmap_path(idmap_dir);
- idmap_path.appendPath(flatten_path(overlay_apk_path + 1));
- idmap_path.append("@idmap");
-
- if (idmap_create_path(target_apk_path, overlay_apk_path, idmap_path.string()) != 0) {
- ALOGE("error: failed to create idmap for target=%s overlay=%s idmap=%s\n",
- target_apk_path, overlay_apk_path, idmap_path.string());
- continue;
- }
-
- Overlay overlay(String8(overlay_apk_path), idmap_path, priority);
- overlayVector.add(overlay);
- }
-
- closedir(dir);
- }
-
- if (!writePackagesList(filename.string(), overlayVector)) {
- return EXIT_FAILURE;
- }
-
- return EXIT_SUCCESS;
-}
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