change exc_loader.c into symlink

Change-Id: I09ac6b5c22e1c082dde30c94873c57d7ade828c6
Signed-off-by: Young Ik Cho <youngik.cho@samsung.com>

diff --git a/osp-exec-loader/exec_loader.c b/osp-exec-loader/exec_loader.c
deleted file mode 100644 (file)
index 74988dd298e9a3ae7d6a3627b0def006d356c050..0000000000000000000000000000000000000000
--- a/osp-exec-loader/exec_loader.c
+++ /dev/null
@@ -1,312 +0,0 @@
-//
-// Open Service Platform
-// Copyright (c) 2012 Samsung Electronics Co., Ltd.
-//
-// 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.
-//
-
-/**
-*   @file              exec_loader.c
-*   @brief             This is the implementation for the osp-exec-loader.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <dlfcn.h>
-#include <unistd.h>
-#include <limits.h>
-#include <fcntl.h>
-#include <linux/capability.h>
-
-#include <dlog.h>
-#include <appinfo.h>
-
-#undef LOG_TAG
-#define LOG_TAG "LOADER"
-
-#define MAX_PACKAGEID 10
-#define MAX_APP_EXECUTABLE_NAME 230
-#define MAX_APPID (MAX_PACKAGEID + MAX_APP_EXECUTABLE_NAME + 1)
-
-
-static const char APPFW_SONAME[] = "libosp-appfw.so.1";
-
-
-#if 0
-static void
-print_args(int argc, char* argv[])
-{
-       const char* p = NULL;
-       int i = 0;
-       for (; i < argc; i++)
-       {
-               p = argv[i];
-               LOGD("%dth arg : [%s]", i, p);
-       }
-}
-#endif
-
-static void
-adjust_privilege(const char* appid)
-{
-       void* handle = dlopen("libprivilege-control.so.0", RTLD_LAZY | RTLD_LOCAL);
-       if (!handle)
-       {
-               fprintf(stderr, "Cannot open libprivilege-control.so.0\n");
-               return;
-       }
-
-       char* msg = 0;
-       dlerror();
-
-       int (*ppriv_func)(const char*) = NULL;
-
-       ppriv_func = (int (*)(const char*))dlsym(handle, "set_privilege");
-       msg = dlerror();
-       if (msg != NULL)
-       {
-               fprintf(stderr, "Dlsym error: %s\n", msg);
-
-               dlclose(handle);
-               return;
-       }
-
-       int ret = (*ppriv_func)(appid);
-       if (ret < 0)
-       {
-               fprintf(stderr, "set_privilege() returned %d\n", ret);
-       }
-
-       dlclose(handle);
-}
-
-extern int capset(cap_user_header_t hdrp, const cap_user_data_t datap);
-
-static int
-adjust_capability(void)
-{
-       cap_user_header_t   head = 0;
-       cap_user_data_t data = 0;
-
-       head = (cap_user_header_t) malloc(sizeof(*head));
-       if (head == NULL)
-       {
-               fprintf(stderr, "Memory allocation failure.\n");
-               return -1;
-       }
-
-       head->version = _LINUX_CAPABILITY_VERSION;
-       head->pid = getpid();
-
-       data = (cap_user_data_t) calloc(sizeof(*data), _LINUX_CAPABILITY_U32S);
-       if (data == NULL)
-       {
-               fprintf(stderr, "Memory allocation failure.\n");
-
-               free(head);
-               return -1;
-       }
-
-       data[CAP_TO_INDEX(CAP_NET_RAW)].effective |= CAP_TO_MASK(CAP_NET_RAW);
-       data[CAP_TO_INDEX(CAP_NET_RAW)].permitted |= CAP_TO_MASK(CAP_NET_RAW);
-
-       if (capset(head, data) < 0)
-       {
-               fprintf(stderr, "Capability setting error\n");
-
-               free(data);
-               free(head);
-               return -1;
-       }
-
-       free(data);
-       free(head);
-
-       return 0;
-}
-
-static int
-osp_do_pre_exe(const char* bin_path)
-{
-       int ret = 0;
-       void* handle = NULL;
-       char* errormsg = 0;
-       int (*do_pre_exec_fn)(const char*, const char*) = NULL;
-
-       handle = dlopen("libosp-env-config.so", RTLD_LAZY | RTLD_LOCAL);
-       if (!handle)
-       {
-               LOGE("Failed to dlopen osp-env-config.so (%s)", dlerror());
-               return -1;
-       }
-       LOGD("dlopen() ok");
-
-       do_pre_exec_fn = (int (*)(const char*, const char*)) dlsym(handle, "do_pre_exec");
-       errormsg = dlerror();
-       if (errormsg != NULL)
-       {
-               LOGE("Failed to dlsym() (%s)", errormsg);
-               dlclose(handle);
-               return -1;
-       }
-       LOGD("dlsym() ok");
-
-       ret = do_pre_exec_fn(NULL, bin_path);
-       if (ret < 0)
-       {
-               LOGE("Failed to do_pre_exe() (%d)", ret);
-       }
-       LOGD("do_pre_exec() ok");
-
-       dlclose(handle);
-
-       return 0;
-}
-
-static int
-get_packageid_executable_name_from_path(const char path[], char packageid[], char executable_name[])
-{
-       // path is ".../[packageid]/bin/[executable_name]"
-
-       const char* p = strrchr(path, '/');
-       if (p == NULL)
-       {
-               LOGI("Improper path %s", path);
-               return -1;
-       }
-
-       const int path_len = strlen(path);
-       const int exec_len = strlen(p);
-       if (exec_len <= 0 || exec_len > PATH_MAX || path_len <= 0 || path_len > PATH_MAX)
-       {
-               LOGI("Improper path %s", path);
-               return -1;
-       }
-
-       strncpy(executable_name, p + 1, exec_len);
-
-#ifdef _SECURE_LOG
-       LOGI("Exec is %s", executable_name);
-#endif
-
-       if (path_len < /* '/' */ 1 + 10 + strlen("/bin/") + exec_len)
-       {
-               LOGI("Improper path %s", path);
-               return -1;
-       }
-
-       strncpy(packageid, p - strlen("bin/") - 10, 10);
-
-       LOGI("PackageId is %s", packageid);
-
-       return 1;
-}
-
-
-int
-main(int argc, char* argv[])
-{
-       void* handle = NULL;
-       char* errormsg = 0;
-       char packageid[MAX_PACKAGEID + 1];
-       char executable_name[MAX_APP_EXECUTABLE_NAME];
-       char appid[MAX_APPID];
-
-       void (*pAppInfoInit)(const char*, const char*, int, char* [], int) = NULL;
-       int (*pRealMain)(int, char* []) = NULL;
-
-       memset(packageid, 0, sizeof(packageid));
-       memset(executable_name, 0, sizeof(executable_name));
-       memset(appid, 0, sizeof(appid));
-
-       LOGI("Initializeing : argc %d, argv 0x%x.", argc, argv);
-       //print_args(argc, argv);
-
-       // convert package path to package name
-       get_packageid_executable_name_from_path(argv[0], packageid, executable_name);
-       snprintf(appid, MAX_APPID, "%s.%s", packageid, executable_name);
-
-#ifdef _SECURE_LOG
-       LOGI("app is %s", appid);
-#endif
-
-       if (getuid() == 0)
-       {
-               // self caging
-               osp_do_pre_exe(argv[0]);
-
-               // adjust privilege
-               adjust_privilege(appid);
-       }
-
-
-       adjust_capability();
-
-       // initialize appid
-       appinfo_init(appid, 0);
-       appinfo_set_argv(argc, argv);
-
-       // actual loading
-       char buffer[1024];
-
-       snprintf(buffer, 1024, "%s.exe", argv[0]);
-
-
-       void* so_handle = dlopen(APPFW_SONAME, RTLD_LAZY);
-       if (!so_handle)
-       {
-               LOGE("Failed to open framework : %s.", dlerror());
-               return -1;
-       }
-
-       pAppInfoInit = (void (*)(const char*, const char*, int, char*[], int)) dlsym(so_handle, "InitAppInfo");
-       errormsg = dlerror();
-       if (errormsg != NULL)
-       {
-               LOGE("Failed to find InitAppInfo() : %s.", errormsg);
-               fprintf(stderr, "Improper osp library entry : %s.\n", errormsg);
-               dlclose(so_handle);
-               return -1;
-       }
-
-       handle = dlopen(buffer, RTLD_LAZY | RTLD_GLOBAL);
-       if (!handle)
-       {
-               LOGE("Failed to open %s : %s.", buffer, dlerror());
-               dlclose(so_handle);
-               return -1;
-       }
-
-       pRealMain = (int (*)(int, char*[])) dlsym(handle, "OspMain");
-       errormsg = dlerror();
-       if (errormsg != NULL)
-       {
-               LOGE("Failed to find OspMain() : %s.", errormsg);
-               dlclose(handle);
-               dlclose(so_handle);
-               return -1;
-       }
-
-       // actual initialization
-       (*pAppInfoInit)(packageid, executable_name, argc, argv, -1);
-       (*pRealMain)(argc, argv);
-
-       LOGI("Osp application terminates.");
-
-       dlclose(handle);
-       LOGI("Osp cleanup finished for %s.", argv[0]);
-
-       return 0;
-}
-

diff --git a/osp-exec-loader/exec_loader.c b/osp-exec-loader/exec_loader.c
new file mode 120000 (symlink)
index 0000000000000000000000000000000000000000..edec52f0256144e3e4c3bf5eb5d9a6c88844c37b
--- /dev/null
+++ b/osp-exec-loader/exec_loader.c
@@ -0,0 +1 @@
+../osp-ui-app-loader/uiapp_loader.c
\ No newline at end of file