Merge "sdcard: Use std::map."
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commit
c15ab6e2c6
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@ -275,8 +275,9 @@ static void derive_permissions_locked(struct fuse* fuse, struct node *parent,
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case PERM_ANDROID_DATA:
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case PERM_ANDROID_OBB:
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case PERM_ANDROID_MEDIA:
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appid = (appid_t) (uintptr_t) hashmapGet(fuse->global->package_to_appid, node->name);
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if (appid != 0) {
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const auto& iter = fuse->global->package_to_appid->find(node->name);
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if (iter != fuse->global->package_to_appid->end()) {
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appid = iter->second;
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node->uid = multiuser_get_uid(parent->userid, appid);
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}
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break;
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@ -30,14 +30,17 @@
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#include <sys/uio.h>
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#include <unistd.h>
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#include <map>
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#include <string>
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#include <cutils/fs.h>
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#include <cutils/hashmap.h>
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#include <cutils/log.h>
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#include <cutils/multiuser.h>
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#include <packagelistparser/packagelistparser.h>
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#include <private/android_filesystem_config.h>
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// TODO(b/30222003): Fix compilation with FUSE_TRACE == 1.
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#define FUSE_TRACE 0
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#if FUSE_TRACE
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@ -59,6 +62,16 @@
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* the largest possible data payload. */
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#define MAX_REQUEST_SIZE (sizeof(struct fuse_in_header) + sizeof(struct fuse_write_in) + MAX_WRITE)
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namespace {
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struct CaseInsensitiveCompare {
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bool operator()(const std::string& lhs, const std::string& rhs) const {
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return strcasecmp(lhs.c_str(), rhs.c_str()) < 0;
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}
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};
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}
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using AppIdMap = std::map<std::string, appid_t, CaseInsensitiveCompare>;
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/* Permission mode for a specific node. Controls how file permissions
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* are derived for children nodes. */
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typedef enum {
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@ -135,7 +148,7 @@ struct fuse_global {
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char source_path[PATH_MAX];
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char obb_path[PATH_MAX];
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Hashmap* package_to_appid;
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AppIdMap* package_to_appid;
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__u64 next_generation;
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struct node root;
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@ -32,7 +32,6 @@
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#include <android-base/macros.h>
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#include <cutils/fs.h>
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#include <cutils/hashmap.h>
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#include <cutils/log.h>
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#include <cutils/multiuser.h>
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#include <packagelistparser/packagelistparser.h>
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@ -78,41 +77,22 @@
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/* Supplementary groups to execute with. */
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static const gid_t kGroups[1] = { AID_PACKAGE_INFO };
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static int str_hash(void *key) {
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return hashmapHash(key, strlen(static_cast<const char*>(key)));
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}
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/* Tests if two string keys are equal ignoring case. */
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static bool str_icase_equals(void *keyA, void *keyB) {
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return strcasecmp(static_cast<const char*>(keyA), static_cast<const char*>(keyB)) == 0;
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}
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static bool remove_str_to_int(void *key, void *value, void *context) {
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Hashmap* map = static_cast<Hashmap*>(context);
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hashmapRemove(map, key);
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free(key);
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return true;
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}
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static bool package_parse_callback(pkg_info *info, void *userdata) {
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struct fuse_global *global = (struct fuse_global *)userdata;
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char* name = strdup(info->name);
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hashmapPut(global->package_to_appid, name, (void*) (uintptr_t) info->uid);
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bool res = global->package_to_appid->emplace(info->name, info->uid).second;
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packagelist_free(info);
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return true;
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return res;
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}
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static bool read_package_list(struct fuse_global* global) {
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pthread_mutex_lock(&global->lock);
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hashmapForEach(global->package_to_appid, remove_str_to_int, global->package_to_appid);
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global->package_to_appid->clear();
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bool rc = packagelist_parse(package_parse_callback, global);
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TRACE("read_package_list: found %zu packages\n",
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hashmapSize(global->package_to_appid));
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global->package_to_appid->size());
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/* Regenerate ownership details using newly loaded mapping */
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// Regenerate ownership details using newly loaded mapping.
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derive_permissions_recursive_locked(global->fuse_default, &global->root);
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pthread_mutex_unlock(&global->lock);
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@ -245,7 +225,7 @@ static void run(const char* source_path, const char* label, uid_t uid,
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memset(&handler_write, 0, sizeof(handler_write));
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pthread_mutex_init(&global.lock, NULL);
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global.package_to_appid = hashmapCreate(256, str_hash, str_icase_equals);
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global.package_to_appid = new AppIdMap;
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global.uid = uid;
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global.gid = gid;
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global.multi_user = multi_user;
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