feat: 支持proc/self目录

BREAKING CHANGE:
支持proc/self目录对外变更:
1.支持/proc/self挂载目录，用于获取进程信息

Close #I6CZ72
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I465278785bd9e27ddbf4d34ee7b5457e39f98b5b

BUILD.gn

@@ -34,6 +34,7 @@ LITEOS_MENUCONFIG_H = rebase_path("$root_out_dir/config.h")
 declare_args() {
   tee_enable = false
   liteos_name = "OHOS_Image"
+  liteos_container_enable = false
   liteos_skip_make = false
   liteos_is_mini = false
 }
@@ -239,6 +240,21 @@ config("misc_config") {
   asmflags = cflags
 }
 
+config("container_config") {
+  if (liteos_container_enable) {
+    cflags = [
+      "-DLOSCFG_KERNEL_CONTAINER",
+      "-DLOSCFG_PID_CONTAINER",
+      "-DLOSCFG_UTS_CONTAINER",
+      "-DLOSCFG_MNT_CONTAINER",
+      "-DLOSCFG_CHROOT",
+      "-DLOSCFG_IPC_CONTAINER",
+      "-DLOSCFG_TIME_CONTAINER",
+      "-DLOSCFG_PROC_PROCESS_DIR",
+    ]
+  }
+}
+
 config("los_config") {
   configs = [
     ":arch_config",
@@ -249,6 +265,7 @@ config("los_config") {
     ":ssp_config",
     ":warn_config",
     ":misc_config",
+    ":container_config",
   ]
 }
 

fs/proc/os_adapt/process_proc.c

@@ -60,6 +60,14 @@ struct ProcessData {
     unsigned int type;
 };
 
+static LosProcessCB *ProcGetProcessCB(struct ProcessData *data)
+{
+    if (data->process != 0) {
+        return (LosProcessCB *)data->process;
+    }
+    return OsCurrProcessGet();
+}
+
 #define PROC_PID_PRIVILEGE 7
 #define PROC_PID_DIR_LEN 100
 #ifdef LOSCFG_KERNEL_CONTAINER
@@ -95,7 +103,7 @@ static ssize_t ProcessContainerReadLink(struct ProcDirEntry *entry, char *buffer
     if (data == NULL) {
         return -EINVAL;
     }
-    LosProcessCB *processCB = (LosProcessCB *)data->process;
+    LosProcessCB *processCB = ProcGetProcessCB(data);
     SCHEDULER_LOCK(intSave);
     UINT32 containerID = OsGetContainerID(processCB->container, (ContainerType)data->type);
     SCHEDULER_UNLOCK(intSave);
@@ -139,7 +147,7 @@ static int ProcessMemInfoRead(struct SeqBuf *seqBuf, LosProcessCB *pcb)
     (void)LosBufPrintf(seqBuf, "VMSpaceMapSize:   %u byte\n", vmSpace->mapSize);
     (void)LosBufPrintf(seqBuf, "VM TLB Asid:      %u\n", vmSpace->archMmu.asid);
     (void)LosBufPrintf(seqBuf, "VMHeapSize:       %u byte\n", heap->range.size);
-    (void)LosBufPrintf(seqBuf, "VMHeapRegionNmae: %s\n", OsGetRegionNameOrFilePath(heap));
+    (void)LosBufPrintf(seqBuf, "VMHeapRegionName: %s\n", OsGetRegionNameOrFilePath(heap));
     (void)LosBufPrintf(seqBuf, "VMHeapRegionType: 0x%x\n", heap->regionType);
     (void)LOS_MemFree(m_aucSysMem1, vmSpace);
     return 0;
@@ -192,7 +200,7 @@ static int ProcTimeContainerRead(struct SeqBuf *m, void *v)
 
     struct ProcessData *data = (struct ProcessData *)v;
     SCHEDULER_LOCK(intSave);
-    LosProcessCB *processCB = (LosProcessCB *)data->process;
+    LosProcessCB *processCB = ProcGetProcessCB(data);
     ret = OsGetTimeContainerMonotonic(processCB, &offsets);
     SCHEDULER_UNLOCK(intSave);
     if (ret != LOS_OK) {
@@ -265,7 +273,7 @@ static int ProcTimeContainerWrite(struct ProcFile *pf, const char *buf, size_t c
     }
 
     buf += strlen(g_monotonic);
-    ret = ProcSetTimensOffset(buf, (LosProcessCB *)data->process);
+    ret = ProcSetTimensOffset(buf, ProcGetProcessCB(data));
     if (ret < 0) {
         (VOID)LOS_MemFree(m_aucSysMem1, kbuf);
         return ret;
@@ -288,10 +296,10 @@ static int ProcProcessRead(struct SeqBuf *m, void *v)
     struct ProcessData *data = (struct ProcessData *)v;
     switch (data->type) {
         case PROC_PID_MEM:
-            return ProcessMemInfoRead(m, (LosProcessCB *)data->process);
+            return ProcessMemInfoRead(m, ProcGetProcessCB(data));
 #ifdef LOSCFG_KERNEL_CPUP
         case PROC_PID_CPUP:
-            return ProcessCpupRead(m, (LosProcessCB *)data->process);
+            return ProcessCpupRead(m, ProcGetProcessCB(data));
 #endif
         default:
             break;
@@ -411,10 +419,18 @@ static struct ProcDirEntry *ProcCreatePorcess(UINT32 pid, struct ProcProcess *po
     if (data == NULL) {
         return NULL;
     }
-    if (porcess->name != NULL) {
-        ret = snprintf_s(pidName, PROC_PID_DIR_LEN, PROC_PID_DIR_LEN - 1, "%u/%s", pid, porcess->name);
+    if (pid != OS_INVALID_VALUE) {
+        if (porcess->name != NULL) {
+            ret = snprintf_s(pidName, PROC_PID_DIR_LEN, PROC_PID_DIR_LEN - 1, "%u/%s", pid, porcess->name);
+        } else {
+            ret = snprintf_s(pidName, PROC_PID_DIR_LEN, PROC_PID_DIR_LEN - 1, "%u", pid);
+        }
     } else {
-        ret = snprintf_s(pidName, PROC_PID_DIR_LEN, PROC_PID_DIR_LEN - 1, "%u", pid);
+        if (porcess->name != NULL) {
+            ret = snprintf_s(pidName, PROC_PID_DIR_LEN, PROC_PID_DIR_LEN - 1, "%s/%s", "self", porcess->name);
+        } else {
+            ret = snprintf_s(pidName, PROC_PID_DIR_LEN, PROC_PID_DIR_LEN - 1, "%s", "self");
+        }
     }
     if (ret < 0) {
         free(data);
@@ -448,9 +464,12 @@ int ProcCreateProcessDir(UINT32 pid, uintptr_t process)
         }
     }
 
-    SCHEDULER_LOCK(intSave);
-    ((LosProcessCB *)process)->procDir = pidDir;
-    SCHEDULER_UNLOCK(intSave);
+    if (process != 0) {
+        SCHEDULER_LOCK(intSave);
+        ((LosProcessCB *)process)->procDir = pidDir;
+        SCHEDULER_UNLOCK(intSave);
+    }
+
     return 0;
 
 CREATE_ERROR:
@@ -482,7 +501,12 @@ void ProcProcessInit(void)
     pde->procFileOps = &PROCESS_PROC_FOPS;
 
 #ifdef LOSCFG_PROC_PROCESS_DIR
-    int ret = ProcCreateProcessDir(OS_USER_ROOT_PROCESS_ID, (uintptr_t)OsGetUserInitProcess());
+    int ret = ProcCreateProcessDir(OS_INVALID_VALUE, 0);
+    if (ret < 0) {
+        PRINT_ERR("Create proc process self dir failed!\n");
+    }
+
+    ret = ProcCreateProcessDir(OS_USER_ROOT_PROCESS_ID, (uintptr_t)OsGetUserInitProcess());
     if (ret < 0) {
         PRINT_ERR("Create proc process %d dir failed!\n", OS_USER_ROOT_PROCESS_ID);
     }

testsuites/BUILD.gn

@@ -37,6 +37,5 @@ group("testsuites") {
   deps = []
   if (liteos_kernel_unittest) {
     deps += [ "unittest" ]
-    #deps += [ "//kernel/liteos_a/testsuites/fuzz:fuzztest" ]
   }
 }

testsuites/unittest/BUILD.gn

@@ -167,5 +167,10 @@ group("unittest") {
         deps += [ "container:liteos_a_container_unittest" ]
       }
     }
+
+    # fuzz test
+    if (LOSCFG_USER_FUZZ_TEST == true) {
+      deps += [ "fuzz:liteos_a_fuzztest" ]
+    }
   }
 }

testsuites/unittest/config.gni

@@ -29,6 +29,10 @@
 
 import("$root_out_dir/config.gni")
 TEST_UNITTEST_DIR = rebase_path(".")
+declare_args() {
+  liteos_container_test_enable = false
+  liteos_fuzz_test_enable = false
+}
 
 TEST_LEVEL_LOW = 1
 TEST_LEVEL_MIDDLE = 3
@@ -127,7 +131,7 @@ LOSCFG_USER_TEST_SECURITY_REUGID = true
 LOSCFG_USER_TEST_SECURITY_VID = true
 
 LOSCFG_USER_TEST_PROCESS_FS = false
-if (defined(LOSCFG_PROC_PROCESS_DIR)) {
+if (defined(LOSCFG_PROC_PROCESS_DIR) || liteos_container_test_enable == true) {
   LOSCFG_USER_TEST_PROCESS_FS = true
 }
 
@@ -138,21 +142,27 @@ LOSCFG_USER_TEST_UTS_CONTAINER = false
 LOSCFG_USER_TEST_MNT_CONTAINER = false
 LOSCFG_USER_TEST_IPC_CONTAINER = false
 LOSCFG_USER_TEST_TIME_CONTAINER = false
-if (defined(LOSCFG_KERNEL_CONTAINER)) {
+if (defined(LOSCFG_KERNEL_CONTAINER) || liteos_container_test_enable == true) {
   LOSCFG_USER_TEST_CONTAINER = true
-  if (defined(LOSCFG_PID_CONTAINER)) {
+  if (defined(LOSCFG_PID_CONTAINER) || liteos_container_test_enable == true) {
     LOSCFG_USER_TEST_PID_CONTAINER = true
   }
-  if (defined(LOSCFG_UTS_CONTAINER)) {
+  if (defined(LOSCFG_UTS_CONTAINER) || liteos_container_test_enable == true) {
     LOSCFG_USER_TEST_UTS_CONTAINER = true
   }
-  if (defined(LOSCFG_MNT_CONTAINER)) {
+  if (defined(LOSCFG_MNT_CONTAINER) || liteos_container_test_enable == true) {
     LOSCFG_USER_TEST_MNT_CONTAINER = true
   }
-  if (defined(LOSCFG_IPC_CONTAINER)) {
+  if (defined(LOSCFG_IPC_CONTAINER) || liteos_container_test_enable == true) {
     LOSCFG_USER_TEST_IPC_CONTAINER = true
   }
-  if (defined(LOSCFG_TIME_CONTAINER)) {
+  if (defined(LOSCFG_TIME_CONTAINER) || liteos_container_test_enable == true) {
     LOSCFG_USER_TEST_TIME_CONTAINER = true
   }
 }
+
+########## fuzz test ##########
+LOSCFG_USER_FUZZ_TEST = false
+if (liteos_fuzz_test_enable == true) {
+  LOSCFG_USER_FUZZ_TEST = true
+}

testsuites/unittest/container/config.gni

@@ -36,11 +36,7 @@ common_include_dirs = [
 
 sources_entry = [ "$TEST_UNITTEST_DIR/container/It_container_test.cpp" ]
 
-sources_smoke = [
-  "$TEST_UNITTEST_DIR/container/smoke/It_container_001.cpp",
-  "$TEST_UNITTEST_DIR/container/smoke/It_container_chroot_001.cpp",
-  "$TEST_UNITTEST_DIR/container/smoke/It_container_chroot_002.cpp",
-]
+sources_smoke = [ "$TEST_UNITTEST_DIR/container/smoke/It_container_001.cpp" ]
 
 sources_full = []
 
@@ -91,6 +87,8 @@ if (defined(LOSCFG_USER_TEST_UTS_CONTAINER)) {
 }
 if (defined(LOSCFG_USER_TEST_MNT_CONTAINER)) {
   sources_smoke += [
+    "$TEST_UNITTEST_DIR/container/smoke/It_container_chroot_001.cpp",
+    "$TEST_UNITTEST_DIR/container/smoke/It_container_chroot_002.cpp",
     "$TEST_UNITTEST_DIR/container/smoke/It_mnt_container_001.cpp",
     "$TEST_UNITTEST_DIR/container/smoke/It_mnt_container_002.cpp",
     "$TEST_UNITTEST_DIR/container/smoke/It_mnt_container_003.cpp",

testsuites/fuzz/BUILD.gn → testsuites/unittest/fuzz/BUILD.gn

@@ -28,7 +28,7 @@
 
 import("//build/lite/config/test.gni")
 
-fuzztest("FuzzDemoTest") {
+fuzztest("liteos_a_user_fuzz_test") {
   output_extension = "bin"
   sources = [
     "adjtime_fuzzer.cpp",
@@ -83,6 +83,6 @@ fuzztest("FuzzDemoTest") {
   include_dirs = []
   deps = []
 }
-group("fuzztest") {
-  deps = [ ":FuzzDemoTest" ]
+group("liteos_a_fuzztest") {
+  deps = [ ":liteos_a_user_fuzz_test" ]
 }

testsuites/fuzz/main.cpp → testsuites/unittest/fuzz/main.cpp

@@ -81,53 +81,11 @@ extern void TestSethostname(void);
 int main()
 {
     DT_Set_Report_Path("/storage/");
-    TestPosixSpawnFileActionsAddchdirNp();
-    TestPosixSpawnFileActionsAddopen();
-    TestPosixSpawnFileActionsAdddup2();
-    TestPosixSpawnFileActionsAddfchdirNp();
-    TestPosixSpawnFileActionsDestroy();
-    TestPosixSpawnFileActionsInit();
-    TestPosixSpawnattrDestroy();
-    TestPosixSpawnattrGetflags();
-    TestPosixSpawnattrGetpgroup();
-    TestPosixSpawnattrGetschedparam();
-    TestPosixSpawnattrGetschedpolicy();
-    TestPosixSpawnattrGetsigdefault();
-    TestPosixSpawnattrGetsigmask();
-    TestPosixSpawnattrInit();
-    TestPosixSpawnattrSetflags();
-    TestPosixSpawnattrSetpgroup();
-    TestPosixSpawnattrSetschedparam();
-    TestPosixSpawnattrSetschedpolicy();
-    TestPosixSpawnattrSetsigdefault();
-    TestPosixSpawnattrSetsigmask();
-    TestPosixSpawn();
-    TestPosixSpawnp();
-    TestSyslog();
-    TestSystem();
-    TestMlock();
-    TestMlockall();
-    TestAdjtime();
-    TestFesetenv();
-    TestGetrlimit();
     TestReadlink();
     TestReadlinkat();
-    TestTimes();
+    TestSethostname();
     TestClone();
-    TestEpollCreate();
-    TestEpollCtl();
-    TestEpollWait();
-    TestPthreadMutexConsistent();
-    TestPthreadMutexGetprioceiling();
-    TestPthreadMutexattrSetprotocol();
-    TestPthreadMutexattrSetrobust();
-    TestPthreadMutexattrSettype();
-    TestPthreadSetconcurrency();
-    TestSetns();
-    TestSemOpen();
     TestUnshare();
     TestChroot();
-    TestSethostname();
-
     return 0;
 }