Use private dbus connection for synchronous calls.
[platform/core/system/libstorage.git] / src / storage-inhouse.c
index 2023a56..ef71f98 100755 (executable)
  */
 
 
+#include <unistd.h>
+#include <sys/types.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
 #include <tzplatform_config.h>
+#include <blkid.h>
+#include <libsyscommon/libgdbus.h>
+#include <libsyscommon/common.h>
 
 #include "common.h"
-#include "list.h"
 #include "log.h"
 #include "storage-internal.h"
 #include "storage-external-dbus.h"
 
 #define FORMAT_TIMEOUT (120*1000)
+#define USER_PARTITION "user"
+#define CONTAINER_USER_PARTITION "contain-user"
 
 /*
        Get compat path from origin Multi-user path
@@ -60,6 +66,14 @@ API int storage_get_compat_internal_path(const char* origin, int len, char* comp
                return -1;
        }
 
+       if (getuid() <= USER_UID_START) {
+               //LCOV_EXCL_START System Error
+               _E("Only apps and user session daemons are allowed "
+                               "to use storage_get_compat_internal_path()");
+               return -1;
+               //LCOV_EXCL_STOP
+       }
+
        // this API works on place where compat path is bind-mounted
        if (!is_compat_bind_mount()) {
                //LCOV_EXCL_START System Error
@@ -68,7 +82,7 @@ API int storage_get_compat_internal_path(const char* origin, int len, char* comp
                //LCOV_EXCL_STOP
        }
 
-       str = tzplatform_getenv(TZ_USER_CONTENT);
+       str = tzplatform_uid_getenv(getuid(), TZ_USER_CONTENT);
        str_len = strlen(str);
        if (strncmp(origin, str, str_len) != 0) {
                _E("Failed to match TZ_USER_CONTENT");
@@ -116,6 +130,14 @@ API int storage_get_origin_internal_path(const char* compat, int len, char* orig
                return -1;
        }
 
+       if (getuid() <= USER_UID_START) {
+               //LCOV_EXCL_START System Error
+               _E("Only apps and user session daemons are allowed "
+                               "to use storage_get_origin_internal_path()");
+               return -1;
+               //LCOV_EXCL_STOP
+       }
+
        // this API works on place where compat path is bind-mounted
        if (!is_compat_bind_mount()) {
                //LCOV_EXCL_START System Error
@@ -130,7 +152,7 @@ API int storage_get_origin_internal_path(const char* compat, int len, char* orig
                return -1;
        }
 
-       r = snprintf(origin, len, "%s%s", tzplatform_getenv(TZ_USER_CONTENT), compat + compat_len);
+       r = snprintf(origin, len, "%s%s", tzplatform_uid_getenv(getuid(), TZ_USER_CONTENT), compat + compat_len);
        if (r < 0) {
                //LCOV_EXCL_START System Error
                _E("failed to create new path");
@@ -143,67 +165,92 @@ API int storage_get_origin_internal_path(const char* compat, int len, char* orig
 
 API int storage_get_primary_sdcard(int *storage_id, char **path)
 {
-       GVariant *result;
-       storage_ext_device info;
+       GVariant *reply;
+       int ret, ret_dbus;
+       char *reply_mount_point = NULL;
+       int reply_id;
 
        if (!storage_id || !path)
                return STORAGE_ERROR_INVALID_PARAMETER;
 
        if (!storage_ext_is_supported())
-               return STORAGE_ERROR_NO_DEVICE;
+               return STORAGE_ERROR_NOT_SUPPORTED;
+
+       dbus_handle_h dbus_handle = gdbus_get_connection(G_BUS_TYPE_SYSTEM, true);
+       if (dbus_handle == NULL) {
+               _E("Failed to get dbus connection");
+               return STORAGE_ERROR_OPERATION_FAILED;
+       }
 
-       result = dbus_method_call_sync(STORAGE_EXT_BUS_NAME,
+       ret_dbus = gdbus_priv_call_sync_with_reply(dbus_handle,
+                       STORAGE_EXT_BUS_NAME,
                        STORAGE_EXT_PATH_MANAGER,
                        STORAGE_EXT_IFACE_MANAGER,
                        "GetMmcPrimary",
-                       NULL);
-       if (!result) {
+                       NULL,
+                       &reply);
+
+       gdbus_free_connection(dbus_handle);
+
+       if (ret_dbus < 0) {
                //LCOV_EXCL_START System Error
                _E("Failed to get primary sdcard partition"); //LCOV_EXCL_LINE
                return STORAGE_ERROR_OPERATION_FAILED; //LCOV_EXCL_LINE
                //LCOV_EXCL_STOP
        }
 
-       g_variant_get(result, "(issssssisibii)",
-                       &info.type, &info.devnode, &info.syspath,
-                       &info.fs_usage, &info.fs_type,
-                       &info.fs_version, &info.fs_uuid,
-                       &info.readonly, &info.mount_point,
-                       &info.state, &info.primary,
-                       &info.flags, &info.storage_id);
+       if (!g_variant_get_safe(reply, "(issssssisibii)",
+                       NULL, NULL, NULL,
+                       NULL, NULL,
+                       NULL, NULL,
+                       NULL, &reply_mount_point,
+                       NULL, NULL,
+                       NULL, &reply_id)) {
+               g_variant_unref(reply);
+               return STORAGE_ERROR_OPERATION_FAILED;
+       }
+
+       g_variant_unref(reply);
 
-       g_variant_unref(result);
+       if (reply_id < 0) {
+               ret = STORAGE_ERROR_NO_DEVICE;
+               goto out;
+       }
 
-       if (info.storage_id < 0)
-               return STORAGE_ERROR_NO_DEVICE;
+       *path = strdup(reply_mount_point);
+       if (*path == NULL) {
+               ret = STORAGE_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE System Error
+               goto out;
+       }
 
-       *path = strdup(info.mount_point);
-       if (*path == NULL)
-               return STORAGE_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE System Error
+       *storage_id = reply_id;
 
-       *storage_id = info.storage_id;
+       ret = STORAGE_ERROR_NONE;
+out:
+       g_free(reply_mount_point);
 
-       return STORAGE_ERROR_NONE;
+       return ret;
 }
 
 API int storage_get_storage_level(const char *path, char **level)
 {
-       int ret;
+       int ret_level;
 
        if (!level || !path)
                return STORAGE_ERROR_INVALID_PARAMETER;
 
-       ret = storage_ext_get_storage_level(path, level);
-       if (ret == -ENOMEM)
+       ret_level = storage_ext_get_storage_level(path, level);
+       if (ret_level == -ENOMEM)
                return STORAGE_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE System Error
-       else if (ret == -EINVAL)
+       else if (ret_level == -EINVAL)
                return STORAGE_ERROR_INVALID_PARAMETER;
-       else if (ret < 0)
+       else if (ret_level < 0)
                return STORAGE_ERROR_OPERATION_FAILED;
 
        return STORAGE_ERROR_NONE;
 }
 
+//LCOV_EXCL_START Not called callback
 static void mount_mmc_cb(GVariant *var, void *user_data, GError *err)
 {
        struct mmc_contents *mmc_data = (struct mmc_contents*)user_data;
@@ -226,13 +273,14 @@ exit:
                g_variant_unref(var);
        (mmc_data->mmc_cb)(mmc_ret, mmc_data->user_data);
 }
+//LCOV_EXCL_STOP
 
 API int storage_request_mount_mmc(struct mmc_contents *mmc_data)
 {
        void (*mount_cb)(GVariant *, void *, GError *) = NULL;
        void *data = NULL;
        char *path;
-       int ret;
+       int ret_val;
        int id;
 
        if (mmc_data && mmc_data->mmc_cb) {
@@ -241,11 +289,15 @@ API int storage_request_mount_mmc(struct mmc_contents *mmc_data)
                data = mmc_data;
        }
 
-       ret = storage_get_primary_sdcard(&id, &path);
-       if (ret != STORAGE_ERROR_NONE)
-               return ret;
+       ret_val = storage_get_primary_sdcard(&id, &path);
+       if (ret_val != STORAGE_ERROR_NONE)
+               return ret_val;
+//LCOV_EXCL_START System Error
+       if (path)
+               free(path);
+//LCOV_EXCL_STOP
 
-       ret = dbus_method_async_with_reply_var(STORAGE_EXT_BUS_NAME,
+       ret_val = gdbus_call_async_with_reply(STORAGE_EXT_BUS_NAME,
                        STORAGE_EXT_PATH_MANAGER,
                        STORAGE_EXT_IFACE_MANAGER,
                        "Mount",
@@ -254,16 +306,17 @@ API int storage_request_mount_mmc(struct mmc_contents *mmc_data)
                        -1,
                        data);
 
-       _I("Mount Request %s", ret == 0 ? "Success" : "Failed");
+       _I("Mount Request %s", ret_val == 0 ? "Success" : "Failed");
 
-       if (ret == -ENOMEM)
+       if (ret_val == -ENOMEM)
                return STORAGE_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE System Error
-       if (ret < 0)
+       if (ret_val < 0)
                return STORAGE_ERROR_OPERATION_FAILED; //LCOV_EXCL_LINE
 
        return STORAGE_ERROR_NONE;
 }
 
+//LCOV_EXCL_START Not called callback
 static void unmount_mmc_cb(GVariant *var, void *user_data, GError *err)
 {
        struct mmc_contents *mmc_data = (struct mmc_contents*)user_data;
@@ -286,13 +339,14 @@ exit:
                g_variant_unref(var);
        (mmc_data->mmc_cb)(mmc_ret, mmc_data->user_data);
 }
+//LCOV_EXCL_STOP
 
 API int storage_request_unmount_mmc(struct mmc_contents *mmc_data, int option)
 {
        void (*unmount_cb)(GVariant *, void *, GError *) = NULL;
        void *data = NULL;
        char *path;
-       int ret;
+       int ret_val;
        int id;
 
        if (option < 0 || option > 1)
@@ -304,11 +358,15 @@ API int storage_request_unmount_mmc(struct mmc_contents *mmc_data, int option)
                data = mmc_data;
        }
 
-       ret = storage_get_primary_sdcard(&id, &path);
-       if (ret != STORAGE_ERROR_NONE)
-               return ret;
+       ret_val = storage_get_primary_sdcard(&id, &path);
+       if (ret_val != STORAGE_ERROR_NONE)
+               return ret_val;
+//LCOV_EXCL_START System Error
+       if (path)
+               free(path);
+//LCOV_EXCL_STOP
 
-       ret = dbus_method_async_with_reply_var(STORAGE_EXT_BUS_NAME,
+       ret_val = gdbus_call_async_with_reply(STORAGE_EXT_BUS_NAME,
                        STORAGE_EXT_PATH_MANAGER,
                        STORAGE_EXT_IFACE_MANAGER,
                        "Unmount",
@@ -317,16 +375,17 @@ API int storage_request_unmount_mmc(struct mmc_contents *mmc_data, int option)
                        -1,
                        data);
 
-       _I("Unmount Request %s", ret == 0 ? "Success" : "Failed");
+       _I("Unmount Request %s", ret_val == 0 ? "Success" : "Failed");
 
-       if (ret == -ENOMEM)
+       if (ret_val == -ENOMEM)
                return STORAGE_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE System Error
-       if (ret < 0)
+       if (ret_val < 0)
                return STORAGE_ERROR_OPERATION_FAILED; //LCOV_EXCL_LINE
 
        return STORAGE_ERROR_NONE;
 }
 
+//LCOV_EXCL_START Not called callback
 static void format_mmc_cb(GVariant *var, void *user_data, GError *err)
 {
        struct mmc_contents *mmc_data = (struct mmc_contents*)user_data;
@@ -349,6 +408,7 @@ exit:
                g_variant_unref(var);
        (mmc_data->mmc_cb)(mmc_ret, mmc_data->user_data);
 }
+//LCOV_EXCL_STOP
 
 API int storage_request_format_mmc(struct mmc_contents *mmc_data)
 {
@@ -360,7 +420,7 @@ API int storage_format_mmc(struct mmc_contents *mmc_data, int option)
        void (*format_cb)(GVariant *, void *, GError *) = NULL;
        void *data = NULL;
        char *path;
-       int ret;
+       int ret_val;
        int id;
 
        if (option < 0 || option > 1)
@@ -372,11 +432,15 @@ API int storage_format_mmc(struct mmc_contents *mmc_data, int option)
                data = mmc_data;
        }
 
-       ret = storage_get_primary_sdcard(&id, &path);
-       if (ret != STORAGE_ERROR_NONE)
-               return ret;
+       ret_val = storage_get_primary_sdcard(&id, &path);
+       if (ret_val != STORAGE_ERROR_NONE)
+               return ret_val;
+//LCOV_EXCL_START System Error
+       if (path)
+               free(path);
+//LCOV_EXCL_STOP
 
-       ret = dbus_method_async_with_reply_var(STORAGE_EXT_BUS_NAME,
+       ret_val = gdbus_call_async_with_reply(STORAGE_EXT_BUS_NAME,
                        STORAGE_EXT_PATH_MANAGER,
                        STORAGE_EXT_IFACE_MANAGER,
                        "Format",
@@ -385,12 +449,89 @@ API int storage_format_mmc(struct mmc_contents *mmc_data, int option)
                        FORMAT_TIMEOUT,
                        data);
 
-       _I("Format Request %s", ret == 0 ? "Success" : "Failed");
+       _I("Format Request %s", ret_val == 0 ? "Success" : "Failed");
 
-       if (ret == -ENOMEM)
+       if (ret_val == -ENOMEM)
                return STORAGE_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE System Error
-       if (ret < 0)
+       if (ret_val < 0)
+               return STORAGE_ERROR_OPERATION_FAILED; //LCOV_EXCL_LINE
+
+       return STORAGE_ERROR_NONE;
+}
+
+API int storage_is_mounted_opt_usr(storage_part_mount_e *mounted)
+{
+       blkid_cache cache = NULL;
+       blkid_dev_iterate iter;
+       blkid_dev dev;
+       int ret_val;
+       bool found = false;
+       char *user_label = libsys_is_container()? CONTAINER_USER_PARTITION: USER_PARTITION;
+
+       if (!mounted)
+               return STORAGE_ERROR_INVALID_PARAMETER;
+
+       _D("Find user partition label: %s", user_label);
+       ret_val = blkid_get_cache(&cache, NULL);
+       if (ret_val < 0) {
+               _E("Failed to get cache"); //LCOV_EXCL_LINE
+               *mounted = STORAGE_PART_ERROR; //LCOV_EXCL_LINE
                return STORAGE_ERROR_OPERATION_FAILED; //LCOV_EXCL_LINE
+       }
+
+       ret_val = blkid_probe_all(cache);
+       if (ret_val < 0) {
+               _E("Failed to probe all block devices"); //LCOV_EXCL_LINE
+               *mounted = STORAGE_PART_ERROR; //LCOV_EXCL_LINE
+               return STORAGE_ERROR_OPERATION_FAILED; //LCOV_EXCL_LINE
+       }
+
+       iter = blkid_dev_iterate_begin(cache);
+       if (!iter) {
+               _E("Failed to get iterate"); //LCOV_EXCL_LINE
+               *mounted = STORAGE_PART_ERROR; //LCOV_EXCL_LINE
+               return STORAGE_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
+       }
+
+       ret_val = blkid_dev_set_search(iter, "LABEL", user_label);
+       if (blkid_dev_next(iter, &dev) == 0) {
+               dev = blkid_verify(cache, dev);
+               if (dev) {
+                       found = true;
+                       _D("Partition for user data is found(LABEL=%s)", user_label);
+               }
+       }
+       blkid_dev_iterate_end(iter);
+
+       if (!found) {
+               iter = blkid_dev_iterate_begin(cache);
+               if (!iter) {
+                       _E("Failed to get iterate"); //LCOV_EXCL_LINE
+                       *mounted = STORAGE_PART_ERROR; //LCOV_EXCL_LINE
+                       return STORAGE_ERROR_OUT_OF_MEMORY; //LCOV_EXCL_LINE
+               }
+
+               ret_val = blkid_dev_set_search(iter, "PARTLABEL", user_label);
+               if (blkid_dev_next(iter, &dev) == 0) {
+                       dev = blkid_verify(cache, dev);
+                       if (dev) {
+                               found = true;
+                               _D("Partition for user data is found(PARTLABEL=%s)", user_label);
+                       }
+               }
+               blkid_dev_iterate_end(iter);
+       }
+
+       blkid_put_cache(cache);
+
+       if (found) {
+               ret_val = mount_check(tzplatform_getenv(TZ_SYS_USER));
+               if (ret_val)
+                       *mounted = STORAGE_PART_MOUNTED;
+               else
+                       *mounted = STORAGE_PART_NOT_MOUNTED;
+       } else
+               *mounted = STORAGE_PART_NOT_SUPPORTED;
 
        return STORAGE_ERROR_NONE;
 }