!394 fix apis: setrlimit,gethostname,gethostid

Merge pull request !394 from wcc/misc

compat/posix/src/misc.c

@@ -30,12 +30,14 @@
  */
 
 #include "sys/types.h"
+#include "sys/resource.h"
 #include "unistd.h"
 #include "stdio.h"
 #include "pthread.h"
 #include "sys/utsname.h"
 #include "mqueue.h"
 #include "semaphore.h"
+#include "los_process_pri.h"
 #include "los_hw.h"
 
 /*
@@ -150,3 +152,47 @@ pid_t getpid(void)
     return ((LosTaskCB *)(OsCurrTaskGet()))->taskID;
 }
 
+int getrlimit(int resource, struct rlimit *rlim)
+{
+    LosProcessCB *pcb = OsCurrProcessGet();
+
+    switch (resource) {
+        case RLIMIT_NOFILE:
+        case RLIMIT_FSIZE:
+            break;
+        default:
+            return -EINVAL;
+    }
+    rlim->rlim_cur = pcb->pl_rlimit[resource].rlim_cur;
+    rlim->rlim_max = pcb->pl_rlimit[resource].rlim_max;
+
+    return 0;
+}
+
+#define FSIZE_RLIMIT 0XFFFFFFFF
+int setrlimit(int resource, const struct rlimit *rlim)
+{
+    LosProcessCB *pcb = OsCurrProcessGet();
+
+    if (rlim->rlim_cur > rlim->rlim_max) {
+        return -EINVAL;
+    }
+    switch (resource) {
+        case RLIMIT_NOFILE:
+            if (rlim->rlim_max > NR_OPEN_DEFAULT) {
+                return -EPERM;
+            }
+            break;
+        case RLIMIT_FSIZE:
+            if (rlim->rlim_max > FSIZE_RLIMIT) {
+                return -EPERM;
+            }
+            break;
+        default:
+            return -EINVAL;
+    }
+    pcb->pl_rlimit[resource].rlim_cur = rlim->rlim_cur;
+    pcb->pl_rlimit[resource].rlim_max = rlim->rlim_max;
+
+    return 0;
+}
\ No newline at end of file

kernel/base/include/los_process_pri.h

@@ -45,6 +45,7 @@
 #ifdef LOSCFG_SECURITY_VID
 #include "vid_type.h"
 #endif
+#include "sys/resource.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -126,6 +127,7 @@ typedef struct ProcessCB {
 #ifdef LOSCFG_KERNEL_CPUP
     OsCpupBase           processCpup; /**< Process cpu usage */
 #endif
+    struct rlimit        pl_rlimit[RLIM_NLIMITS];
 } LosProcessCB;
 
 #define CLONE_VM       0x00000100

security/cap/capability_type.h

@@ -66,4 +66,4 @@
 #define CAP_REBOOT                      18
 // self deined privileged syscalls
 #define CAP_SHELL_EXEC                  19
-#endif
\ No newline at end of file
+#endif

syscall/los_syscall.h

@@ -296,5 +296,8 @@ extern int SysUmask(int mask);
 extern int SysShellExec(const char *msgName, const char *cmdString);
 extern int SysReboot(int magic, int magic2, int type);
 extern int SysGetrusage(int what, struct rusage *ru);
+extern long SysSysconf(int name);
+extern int SysUgetrlimit(int resource, unsigned long long k_rlim[2]);
+extern int SysSetrlimit(int resource, unsigned long long k_rlim[2]);
 #endif
 #endif /* _LOS_SYSCALL_H */

syscall/misc_syscall.c

@@ -44,6 +44,10 @@
 #include "shmsg.h"
 #endif
 #include "user_copy.h"
+#include "los_strncpy_from_user.h"
+#include "capability_type.h"
+#include "capability_api.h"
+#include "unistd.h"
 
 
 int SysUname(struct utsname *name)
@@ -192,3 +196,50 @@ int SysGetrusage(int what, struct rusage *ru)
     return 0;
 }
 
+long SysSysconf(int name)
+{
+    long ret;
+
+    ret = sysconf(name);
+    if (ret == -1) {
+        return -get_errno();
+    }
+
+    return ret;
+}
+
+int SysUgetrlimit(int resource, unsigned long long k_rlim[2])
+{
+    int ret;
+    struct rlimit lim;
+
+    ret = getrlimit(resource, &lim);
+    if (ret < 0) {
+        return ret;
+    }
+
+    ret = LOS_ArchCopyToUser(k_rlim, &lim, sizeof(struct rlimit));
+    if (ret != 0) {
+        return -EFAULT;
+    }
+
+    return ret;
+}
+
+int SysSetrlimit(int resource, unsigned long long k_rlim[2])
+{
+    int ret;
+    struct rlimit lim;
+
+	if(!IsCapPermit(CAP_CAPSET)) {
+        return -EPERM;
+    }
+
+    ret = LOS_ArchCopyFromUser(&lim, k_rlim, sizeof(struct rlimit));
+    if (ret != 0) {
+        return -EFAULT;
+    }
+    ret = setrlimit(resource, &lim);
+
+    return ret;
+}

syscall/syscall_lookup.h

@@ -253,3 +253,6 @@ SYSCALL_HAND_DEF(__NR_pthread_join, SysThreadJoin, int, ARG_NUM_1)
 SYSCALL_HAND_DEF(__NR_pthread_deatch, SysUserThreadDetach, int, ARG_NUM_1)
 SYSCALL_HAND_DEF(__NR_creat_user_thread, SysCreateUserThread, unsigned int, ARG_NUM_3)
 SYSCALL_HAND_DEF(__NR_getrusage, SysGetrusage, int, ARG_NUM_2)
+SYSCALL_HAND_DEF(__NR_sysconf, SysSysconf, long, ARG_NUM_1)
+SYSCALL_HAND_DEF(__NR_ugetrlimit, SysUgetrlimit, int, ARG_NUM_2)
+SYSCALL_HAND_DEF(__NR_setrlimit, SysSetrlimit, int, ARG_NUM_2)
\ No newline at end of file

testsuites/unittest/misc/BUILD.gn

@@ -44,6 +44,8 @@ sources_entry = [
 sources_full = [
   "full/misc_test_006.cpp",
   "full/misc_test_007.cpp",
+  "full/misc_test_008.cpp",
+  "full/misc_test_009.cpp",
   "full/misc_test_010.cpp",
   "full/misc_test_011.cpp",
   "full/misc_test_012.cpp",
@@ -56,8 +58,6 @@ sources_smoke = [
   "smoke/misc_test_003.cpp",
   "smoke/misc_test_004.cpp",
   "smoke/misc_test_005.cpp",
-  "smoke/misc_test_008.cpp",
-  "smoke/misc_test_009.cpp",
   "smoke/misc_test_014.cpp",
 ]
 
@@ -86,4 +86,4 @@ if (LOSCFG_USER_TEST_LEVEL >= TEST_LEVEL_MIDDLE) {
     configs = [ "..:public_config_for_all" ]
     deps = [ "//third_party/bounds_checking_function:libsec_shared" ]
   }
-}
\ No newline at end of file
+}

testsuites/unittest/misc/misc_test.cpp

@@ -128,10 +128,32 @@ HWTEST_F(MiscTest, ItTestMisc006, TestSize.Level0)
  * @tc.type: FUNC
  * @tc.require: AR000EEMQ9
  */
-/*HWTEST_F(MiscTest, ItTestMisc007, TestSize.Level0)
+HWTEST_F(MiscTest, ItTestMisc007, TestSize.Level0)
 {
     ItTestMisc007();
-}*/
+}
+
+/* *
+ * @tc.name: IT_TEST_MISC_008
+ * @tc.desc: function for MiscTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(MiscTest, ItTestMisc008, TestSize.Level0)
+{
+    ItTestMisc008();
+}
+
+/* *
+ * @tc.name: IT_TEST_MISC_009
+ * @tc.desc: function for MiscTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(MiscTest, ItTestMisc009, TestSize.Level0)
+{
+    ItTestMisc009();
+}
 
 /* *
  * @tc.name: IT_TEST_MISC_010
@@ -155,6 +177,17 @@ HWTEST_F(MiscTest, ItTestMisc006, TestSize.Level0)
     ItTestMisc011();
 }*/
 
+/* *
+ * @tc.name: IT_TEST_MISC_012
+ * @tc.desc: function for MiscTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(MiscTest, ItTestMisc012, TestSize.Level0)
+{
+    ItTestMisc012();
+}
+
 /* *
  * @tc.name: IT_TEST_MISC_013
  * @tc.desc: function for MiscTest