fix: add fchmod api

add fchmod api and testcases

Change-Id: I310e9e9d79bbe3fa8dbab6080bbfce8a77b79bb3
Signed-off-by: wcc0 <917033401@qq.com>

syscall/fs_syscall.c

@@ -2268,6 +2268,34 @@ OUT:
     return ret;
 }
 
+int SysFchmod(int fd, mode_t mode)
+{
+    int ret;
+    int sysFd;
+    struct IATTR attr = {
+        .attr_chg_mode = mode,
+        .attr_chg_valid = CHG_MODE, /* change mode */
+    };
+    struct file *file = NULL;
+
+    sysFd = GetAssociatedSystemFd(fd);
+    if (sysFd < 0) {
+        return -EBADF;
+    }
+
+    ret = fs_getfilep(sysFd, &file);
+    if (ret < 0) {
+        return -get_errno();
+    }
+
+    ret = chattr(file->f_path, &attr);
+    if (ret < 0) {
+        return -get_errno();
+    }
+
+    return ret;
+}
+
 int SysFchownat(int fd, const char *path, uid_t owner, gid_t group, int flag)
 {
     int ret;

syscall/los_syscall.h

@@ -234,6 +234,7 @@ extern int SysExecve(const char *fileName, char *const *argv, char *const *envp)
 extern int SysChdir(const char *path);
 extern int SysUtimensat(int fd, const char *path, struct timespec times[2], int flag);
 extern int SysFchmodat(int fd, const char *path, mode_t mode, int flag);
+extern int SysFchmod(int fd, mode_t mode);
 extern int SysChmod(const char *path, mode_t mode);
 extern int SysFchownat(int fd, const char *path, uid_t owner, gid_t group, int flag);
 extern int SysFchown(int fd, uid_t owner, gid_t group);

syscall/syscall_lookup.h

@@ -50,6 +50,7 @@ SYSCALL_HAND_DEF(__NR_sysinfo, SysInfo, int, ARG_NUM_1)
 SYSCALL_HAND_DEF(__NR_chdir, SysChdir, int, ARG_NUM_1)
 SYSCALL_HAND_DEF(__NR_utimensat, SysUtimensat, int, ARG_NUM_4)
 SYSCALL_HAND_DEF(__NR_fchmodat, SysFchmodat, int, ARG_NUM_4)
+SYSCALL_HAND_DEF(__NR_fchmod, SysFchmod, int, ARG_NUM_2)
 SYSCALL_HAND_DEF(__NR_utimensat, SysUtimensat, int, ARG_NUM_4)
 SYSCALL_HAND_DEF(__NR_chmod, SysChmod, int, ARG_NUM_2)
 SYSCALL_HAND_DEF(__NR_lseek, SysLseek, off_t, ARG_NUM_7) /* current only support 32bit max 4G file */

testsuites/unittest/fs/BUILD.gn

@@ -211,6 +211,8 @@ sources_full = [
   "jffs/full/it_test_fs_jffs_002.cpp",
   "jffs/full/it_test_fs_jffs_003.cpp",
   "jffs/full/it_test_fs_jffs_004.cpp",
+  "jffs/full/it_test_fs_jffs_102.cpp",
+  "jffs/full/it_test_fs_jffs_103.cpp",
   "jffs/full/It_jffs_001.cpp",
   "jffs/full/It_jffs_002.cpp",
   "jffs/full/It_jffs_003.cpp",

testsuites/unittest/fs/jffs/It_vfs_jffs.h

@@ -271,6 +271,8 @@ void ItTestFsJffs001(void);
 void ItTestFsJffs002(void);
 void ItTestFsJffs003(void);
 void ItTestFsJffs004(void);
+void ItTestFsJffs102(void);
+void ItTestFsJffs103(void);
 VOID ItJffs001(VOID);
 VOID ItJffs002(VOID);
 VOID ItJffs003(VOID);

testsuites/unittest/fs/jffs/full/it_test_fs_jffs_102.cpp

@@ -28,7 +28,7 @@
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#include "It_fs_jffs.h"
+#include "It_vfs_jffs.h"
 
 #define TEST_STRLEN 30
 
@@ -37,13 +37,85 @@ static int TestCase(void)
     INT32 fd = 0;
     INT32 ret = JFFS_IS_ERROR;
     CHAR pathname1[TEST_STRLEN] = JFFS_PATH_NAME0;
+    struct stat info = {0};
 
-    fd = open(pathname1, O_NONBLOCK | O_CREAT | O_EXCL, 0777);
+    fd = open(pathname1, O_NONBLOCK | O_CREAT | O_RDWR | O_EXCL, 0777);
     ICUNIT_GOTO_NOT_EQUAL(fd, -1, fd, EXIT1);
 
-    ret = fchmod(fd, S_IREAD);
+    /* EBADF */
-    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    ret = fchmod(-1, S_IREAD);
+    ret = errno;
+    ICUNIT_GOTO_EQUAL(ret, EBADF, ret, EXIT1);
 
+    /* S_IRWXU */
+    ret = fchmod(fd, S_IRWXU);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IRWXU;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* S_IRUSR */
+    ret = fchmod(fd, S_IRUSR);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IRUSR;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* S_IWUSR */
+    ret = fchmod(fd, S_IWUSR);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IWUSR;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* S_IXUSR */
+    ret = fchmod(fd, S_IXUSR);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IXUSR;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* S_IRWXG */
+    ret = fchmod(fd, S_IRWXG);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IRWXG;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* SIRGRP */
+    ret = fchmod(fd, S_IRGRP);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IRGRP;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* S_IXGRP */
+    ret = fchmod(fd, S_IXGRP);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IXGRP;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* S_IRWXO */
+    ret = fchmod(fd, S_IRWXO);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret =  info.st_mode &S_IRWXO;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* S_IROTH */
+    ret = fchmod(fd, S_IROTH);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IROTH;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+
+    /* S_IXOTH */
+    ret = fchmod(fd, S_IXOTH);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    stat(pathname1, &info);
+    ret = info.st_mode & S_IXOTH;
+    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
     ret = close(fd);
     ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
 

testsuites/unittest/fs/jffs/full/it_test_fs_jffs_103.cpp

@@ -28,8 +28,7 @@
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
+#include "It_vfs_jffs.h"
-#include "It_fs_jffs.h"
 
 #define TEST_STRLEN 30
 
@@ -41,6 +40,8 @@ static int TestCase(void)
     CHAR pathname0[TEST_STRLEN] = JFFS_PATH_NAME0;
     CHAR pathname1[TEST_STRLEN] = JFFS_PATH_NAME0;
     CHAR pathname2[TEST_STRLEN] = JFFS_PATH_NAME0;
+    CHAR pathname3[TEST_STRLEN] = JFFS_PATH_NAME01;
+    CHAR filebuf[256] =  "abcdeab89abcedcde01234567fghij9876543210abcdeabc89abcedfghde0123456710abcdeabcde012876543289abcedfghij987654345673210abcdeabcde0123456789abcedfghij9876543210abcdeabcde0123456789abcedfg10abcdeahij9876543289abcedfghlbcde01234567I0lalalalalalalal";
     struct stat info = {0};
 
     ret = mkdir(pathname0, 0777);
@@ -60,16 +61,54 @@ static int TestCase(void)
     dirfd = open(pathname0, O_DIRECTORY);
     ICUNIT_GOTO_NOT_EQUAL(dirfd, JFFS_IS_ERROR, dirfd, EXIT);
 
-    ret = fchmodat(fd, "test1", S_IREAD, 0);
+    /* ENAMETOOLONG */
+    ret = fchmodat(dirfd, filebuf, S_IREAD, 0);
+    ret = errno;
+    ICUNIT_GOTO_EQUAL(ret, ENAMETOOLONG, ret, EXIT);
+
+    /* ENOENT */
+    ret = fchmodat(-1, "test1", S_IREAD, 0);
+    ret = errno;
+    ICUNIT_GOTO_EQUAL(ret, ENOENT, ret, EXIT);
+
+    /* EINVAL */
+    ret = fchmodat(dirfd, NULL, S_IREAD, 0);
+    ret = errno;
+    ICUNIT_GOTO_EQUAL(ret, EINVAL, ret, EXIT);
+
+    /* absolute path */
+    ret = fchmodat(0, pathname1, S_IRUSR | S_IWUSR | S_IXUSR, 0);
     ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
-
     stat(pathname1, &info);
-    ret = info.st_mode & S_IREAD;
+    ret = info.st_mode & (S_IRUSR | S_IWUSR | S_IXUSR);
-    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+    ICUNIT_GOTO_EQUAL(ret, (S_IRUSR | S_IWUSR | S_IXUSR), ret, EXIT);
 
+    /* S_IRUSR | S_IWUSR | S_IXUSR */
+    ret = fchmodat(dirfd, "test1", S_IRUSR | S_IWUSR | S_IXUSR, 0);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
+    stat(pathname1, &info);
+    ret = info.st_mode & (S_IRUSR | S_IWUSR | S_IXUSR);
+    ICUNIT_GOTO_EQUAL(ret, (S_IRUSR | S_IWUSR | S_IXUSR), ret, EXIT);
+
+    /* AT_FDCWD */
+    ret = fchmodat(AT_FDCWD, "test/test1", S_IRUSR | S_IWUSR | S_IXUSR, 0);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
+    stat(pathname1, &info);
+    ret = info.st_mode & (S_IRUSR | S_IWUSR | S_IXUSR);
+    ICUNIT_GOTO_EQUAL(ret, (S_IRUSR | S_IWUSR | S_IXUSR), ret, EXIT);
     ret = close(dirfd);
     ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
 
+    /* ENOTDIR */
+    dirfd = open(pathname3, O_NONBLOCK | O_CREAT | O_RDWR | O_EXCL, 0777);
+    ICUNIT_GOTO_NOT_EQUAL(fd, JFFS_IS_ERROR, fd, EXIT);
+    ret = fchmodat(dirfd, "test1", S_IROTH | S_IWOTH | S_IXOTH, 0);
+    ret = errno;
+    ICUNIT_GOTO_EQUAL(ret, ENOTDIR, ret, EXIT);
+    ret = close(dirfd);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
+    ret = remove(pathname3);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
     ret = rmdir(pathname1);
     ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
 
@@ -85,17 +124,15 @@ static int TestCase(void)
 
     stat(pathname2, &info);
     ret = info.st_mode & (S_IRUSR | S_IRGRP | S_IROTH);
-    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+    ICUNIT_GOTO_EQUAL(ret, (S_IRUSR | S_IRGRP | S_IROTH), ret, EXIT);
-
     ret = close(fd);
     ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
 
-    ret = fchmodat(dirfd, "test.txt", S_IREAD, 0);
+    ret = fchmodat(dirfd, "test.txt", S_IRUSR | S_IWUSR | S_IXUSR, 0);
-    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
+    ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
-
     stat(pathname2, &info);
-    ret = info.st_mode & S_IREAD;
+    ret = info.st_mode & (S_IRUSR | S_IWUSR | S_IXUSR);
-    ICUNIT_GOTO_NOT_EQUAL(ret, 0, ret, EXIT);
+    ICUNIT_GOTO_EQUAL(ret, (S_IRUSR | S_IWUSR | S_IXUSR), ret, EXIT);
 
     ret = close(dirfd);
     ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
@@ -114,6 +151,7 @@ EXIT1:
         close(fd);
     }
 EXIT:
+    remove(pathname3);
     remove(pathname2);
     remove(pathname1);
     remove(pathname0);

testsuites/unittest/fs/jffs/vfs_jffs_test.cpp

@@ -1043,6 +1043,27 @@ HWTEST_F(VfsJffsTest, ItTestFsJffs004, TestSize.Level0)
     ItTestFsJffs004();
 }
 
+/* *
+ * @tc.name: ItTestFsJffs102
+ * @tc.desc: function for VfsJffsTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(VfsJffsTest, ItTestFsJffs102, TestSize.Level0)
+{
+    ItTestFsJffs102();
+}
+
+/* *
+ * @tc.name: ItTestFsJffs103
+ * @tc.desc: function for VfsJffsTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(VfsJffsTest, ItTestFsJffs103, TestSize.Level0)
+{
+    ItTestFsJffs103();
+}
 /* *
  * @tc.name: IT_JFFS_002
  * @tc.desc: function for VfsJffsTest