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-rw-r--r--cmds/installd/commands.c42
-rw-r--r--cmds/installd/installd.c6
-rw-r--r--cmds/installd/installd.h4
3 files changed, 52 insertions, 0 deletions
diff --git a/cmds/installd/commands.c b/cmds/installd/commands.c
index dd92bbe..203d180 100644
--- a/cmds/installd/commands.c
+++ b/cmds/installd/commands.c
@@ -148,6 +148,48 @@ int delete_persona(uid_t persona)
return delete_dir_contents(pkgdir, 1, NULL);
}
+int clone_persona_data(uid_t src_persona, uid_t target_persona, int copy)
+{
+ char src_data_dir[PKG_PATH_MAX];
+ char pkg_path[PKG_PATH_MAX];
+ DIR *d;
+ struct dirent *de;
+ struct stat s;
+ uid_t uid;
+
+ if (create_persona_path(src_data_dir, src_persona)) {
+ return -1;
+ }
+
+ d = opendir(src_data_dir);
+ if (d != NULL) {
+ while ((de = readdir(d))) {
+ const char *name = de->d_name;
+
+ if (de->d_type == DT_DIR) {
+ int subfd;
+ /* always skip "." and ".." */
+ if (name[0] == '.') {
+ if (name[1] == 0) continue;
+ if ((name[1] == '.') && (name[2] == 0)) continue;
+ }
+ /* Create the full path to the package's data dir */
+ create_pkg_path(pkg_path, name, PKG_DIR_POSTFIX, src_persona);
+ /* Get the file stat */
+ if (stat(pkg_path, &s) < 0) continue;
+ /* Get the uid of the package */
+ ALOGI("Adding datadir for uid = %d\n", s.st_uid);
+ uid = (uid_t) s.st_uid % PER_USER_RANGE;
+ /* Create the directory for the target */
+ make_user_data(name, uid + target_persona * PER_USER_RANGE,
+ target_persona);
+ }
+ }
+ closedir(d);
+ }
+ return 0;
+}
+
int delete_cache(const char *pkgname)
{
char cachedir[PKG_PATH_MAX];
diff --git a/cmds/installd/installd.c b/cmds/installd/installd.c
index 569b491..7f94a96 100644
--- a/cmds/installd/installd.c
+++ b/cmds/installd/installd.c
@@ -107,6 +107,11 @@ static int do_rm_user(char **arg, char reply[REPLY_MAX])
return delete_persona(atoi(arg[0])); /* userid */
}
+static int do_clone_user_data(char **arg, char reply[REPLY_MAX])
+{
+ return clone_persona_data(atoi(arg[0]), atoi(arg[1]), atoi(arg[2]));
+}
+
static int do_movefiles(char **arg, char reply[REPLY_MAX])
{
return movefiles();
@@ -146,6 +151,7 @@ struct cmdinfo cmds[] = {
{ "unlinklib", 1, do_unlinklib },
{ "mkuserdata", 3, do_mk_user_data },
{ "rmuser", 1, do_rm_user },
+ { "cloneuserdata", 3, do_clone_user_data },
};
static int readx(int s, void *_buf, int count)
diff --git a/cmds/installd/installd.h b/cmds/installd/installd.h
index 173cabf..78342bb 100644
--- a/cmds/installd/installd.h
+++ b/cmds/installd/installd.h
@@ -72,6 +72,9 @@
#define PKG_NAME_MAX 128 /* largest allowed package name */
#define PKG_PATH_MAX 256 /* max size of any path we use */
+#define PER_USER_RANGE ((uid_t)100000) /* range of uids per user
+ uid = persona * PER_USER_RANGE + appid */
+
/* data structures */
typedef struct {
@@ -143,6 +146,7 @@ int renamepkg(const char *oldpkgname, const char *newpkgname);
int delete_user_data(const char *pkgname, uid_t persona);
int make_user_data(const char *pkgname, uid_t uid, uid_t persona);
int delete_persona(uid_t persona);
+int clone_persona_data(uid_t src_persona, uid_t target_persona, int copy);
int delete_cache(const char *pkgname);
int move_dex(const char *src, const char *dst);
int rm_dex(const char *path);