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rtems/testsuites/fstests/fspermission/test.c
Sebastian Huber b88c7583b8 fstests: Use tmacros.h instead of pmacros.h 
This avoids an extra include path.

Update #3818.
2019-11-12 09:36:21 +01:00

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/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <dirent.h>
#include <unistd.h>
#include "fstest.h"
#include "fs_config.h"
#include <tmacros.h>
const char rtems_test_name[] = "FSPERMISSION " FILESYSTEM;
/*
* Test the umask
*/
static void umask_test01(void )
{
mode_t previous_cmask;
mode_t tmp_mode;
mode_t file_mode;
struct stat statbuf;
int status = 0;
int fd;
char* file01="file01";
char* file02="file02";
char* directory01="dir01";
const char* wd=__func__;
mode_t mode=S_IRWXU|S_IRWXG|S_IRWXO ;
/*
*Create a new directory and change the current directory to this
*/
status=mkdir(wd,mode);
rtems_test_assert(status==0);
status=chdir(wd);
rtems_test_assert(status==0);
/*
*
* Call open creat and mkdir to create new files and directory
*/
fd=open(file01,O_CREAT|O_RDWR,mode);
status=close(fd);
rtems_test_assert(status==0);
fd=creat(file02,mode);
status=close(fd);
rtems_test_assert(status==0);
status=mkdir(directory01,mode);
rtems_test_assert(status==0);
/*
*Get the previous cmask and set it to a new one
*/
previous_cmask = umask (0321);
printf("The previous cmask is %03o\n",(unsigned int)previous_cmask);
file_mode= mode & ~previous_cmask;
status = stat (file01, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",file01,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==file_mode);
status = stat (file02, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",file02,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==file_mode);
status = stat (directory01, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",directory01,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==file_mode);
/*
*Remove them and recreate them with the same mode
*/
status=unlink(file01);
rtems_test_assert(status==0);
fd=open(file01,O_CREAT|O_RDWR,mode);
status=close(fd);
rtems_test_assert(status==0);
status=unlink(file02);
rtems_test_assert(status==0);
fd=creat(file02,mode);
status=close(fd);
rtems_test_assert(status==0);
status=rmdir(directory01);
rtems_test_assert(status==0);
status=mkdir(directory01,mode);
rtems_test_assert(status==0);
/*
*Check the file mode
*/
previous_cmask = umask (00);
printf("The previous cmask is %03o\n",(unsigned int)previous_cmask);
file_mode= mode & ~previous_cmask;
status = stat (file01, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",file01,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==file_mode);
status = stat (file02, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",file02,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==file_mode);
status = stat (directory01, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",directory01,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==file_mode);
/*
* Go back to parent directory
*/
status=chdir("..");
rtems_test_assert(status==0);
}
/*
* Check the file mode in file and directory
*/
static void test_premission01(void )
{
mode_t tmp_mode;
struct stat statbuf;
int status = 0;
int fd;
char* file01="file01";
char* file02="file02";
char* directory01="dir01";
char path[20];
char* test_data="Test Data";
char* data_buf;
size_t len=strlen(test_data);
int n;
DIR *dp;
const char* wd=__func__;
mode_t mode=S_IRWXU|S_IRWXG|S_IRWXO ;
uid_t user_id =65534;
gid_t group_id =65534;
uid_t another_user_id =65533;
gid_t another_group_id =65533;
/*
*Create a new directory and change the current directory to this
*/
umask(00);
status=mkdir(wd,mode);
rtems_test_assert(status==0);
status=chdir(wd);
rtems_test_assert(status==0);
status=seteuid(user_id);
rtems_test_assert(status==0);
status=setegid(group_id);
rtems_test_assert(status==0);
/*
*Create a file with mode 0777
*/
fd=creat(file01,mode);
rtems_test_assert(fd >= 0);
status=close(fd);
rtems_test_assert(status==0);
/*
*Create a file with mode 0240
*/
fd=creat(file02,0240);
rtems_test_assert(fd >= 0);
status=close(fd);
rtems_test_assert(status==0);
/*
*Check the file mode uid and gid
*/
status = stat (file01, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",file01,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==mode);
rtems_test_assert(statbuf.st_uid==user_id);
rtems_test_assert(statbuf.st_gid==group_id);
status = stat (file02, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",file02,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==0240);
rtems_test_assert(statbuf.st_uid==user_id);
rtems_test_assert(statbuf.st_gid==group_id);
/*
* Create directory and a file in it for tese
*/
status=mkdir(directory01,0777);
rtems_test_assert(status==0);
sprintf(path,"%s/%s",directory01,file01);
fd = creat(path,0777);
rtems_test_assert(fd >= 0);
status = close(fd);
rtems_test_assert(status == 0);
status=chmod(directory01,0340);
rtems_test_assert (status == 0);
status = stat (directory01, &statbuf);
rtems_test_assert (status == 0);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The file mode of %s is %03o\n",directory01,(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==0340);
rtems_test_assert(statbuf.st_uid==user_id);
rtems_test_assert(statbuf.st_gid==group_id);
/*
* Check the file with open and write
*/
/*
* Test write
*/
fd=open(file01,O_WRONLY);
rtems_test_assert(fd >= 0);
n=write(fd,test_data,len);
rtems_test_assert(n==len);
status=close(fd);
rtems_test_assert(status==0);
fd=open(file02,O_WRONLY);
n=write(fd,test_data,len);
rtems_test_assert(n==len);
status=close(fd);
rtems_test_assert(status==0);
/*
* Test read
*/
data_buf=(char*)malloc(len+1);
fd=open(file01,O_RDWR);
rtems_test_assert(fd >= 0);
n=read(fd,data_buf,len);
rtems_test_assert(n==len);
status=close(fd);
rtems_test_assert(status==0);
EXPECT_ERROR(EACCES,open,file02,O_RDONLY);
EXPECT_ERROR(EACCES,open,file02,O_RDWR);
/*
* Test read directory
*/
dp= opendir(directory01);
rtems_test_assert(dp==NULL);
rtems_test_assert(errno==EACCES);
/*
* Test write directory
*/
status = lstat (path, &statbuf);
rtems_test_assert (status == 0);
status=unlink(path);
rtems_test_assert(status==0);
/*
* Change euid and check
*/
puts("Change euid and check");
status=seteuid(0);
rtems_test_assert(status==0);
status=seteuid(another_user_id);
rtems_test_assert(status==0);
fd=open(file01,O_WRONLY);
rtems_test_assert(fd >= 0);
n=write(fd,test_data,len);
rtems_test_assert(n==len);
status=close(fd);
rtems_test_assert(status==0);
EXPECT_ERROR(EACCES,open,file02,O_WRONLY);
EXPECT_ERROR(EACCES,open,file02,O_RDWR);
/*
* Test read directory
*/
dp= opendir(directory01);
rtems_test_assert(dp!=NULL);
status=closedir(dp);
rtems_test_assert(status==0);
/*
* Test write directory
*/
EXPECT_ERROR(EACCES,creat,path,mode);
EXPECT_ERROR(EACCES,rename,path,"test");
EXPECT_ERROR(EACCES,truncate,path,0);
EXPECT_ERROR(EACCES,link,path,"test");
EXPECT_ERROR(EACCES,unlink,path);
/*
* Change egid and check
*/
puts("Change egid and check");
status=seteuid(0);
rtems_test_assert(status==0);
status=setegid(another_group_id);
rtems_test_assert(status==0);
status=seteuid(another_user_id);
rtems_test_assert(status==0);
EXPECT_ERROR(EACCES,open,file02,O_WRONLY);
EXPECT_ERROR(EACCES,open,file02,O_RDONLY);
EXPECT_ERROR(EACCES,open,file02,O_RDWR);
/*
* Test read directory
*/
dp= opendir(directory01);
rtems_test_assert(dp==NULL);
rtems_test_assert(errno==EACCES);
/*
* Test write directory
*/
EXPECT_ERROR(EACCES,creat,path,mode);
/*
* Go back to parent directory
*/
status=seteuid(0);
rtems_test_assert(status==0);
status=setegid(0);
rtems_test_assert(status==0);
free(data_buf);
status=chdir("..");
rtems_test_assert(status==0);
}
/*
* Test chown and chmod
*/
static void test_premission02(void )
{
struct stat statbuf;
int status = 0;
int fd;
char* file01="file01";
char* directory01="dir01";
mode_t tmp_mode;
mode_t file_mode=0321;
const char* wd=__func__;
mode_t mode=S_IRWXU|S_IRWXG|S_IRWXO ;
uid_t user_id =65534;
gid_t group_id =65534;
/*
*Create a new directory and change the current directory to this
*/
status=mkdir(wd,mode);
rtems_test_assert(status==0);
status=chdir(wd);
rtems_test_assert(status==0);
umask(00);
fd=creat(file01,mode);
status=close(fd);
rtems_test_assert(status==0);
status=stat(file01,&statbuf);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
rtems_test_assert(tmp_mode==mode);
/*
*Change the file mode uid and gid
*/
status=chmod(file01,file_mode);
rtems_test_assert(status==0);
status=chown(file01,user_id,group_id);
rtems_test_assert(status==0);
status=stat(file01,&statbuf);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
rtems_test_assert(tmp_mode==file_mode);
rtems_test_assert(user_id==statbuf.st_uid);
rtems_test_assert(group_id==statbuf.st_gid);
status = seteuid(user_id - 1);
rtems_test_assert(status == 0);
errno = 0;
status = chown(file01, user_id, group_id);
rtems_test_assert(status == -1);
rtems_test_assert(errno == EPERM);
status = seteuid(user_id);
rtems_test_assert(status == 0);
status = chown(file01, user_id, group_id);
rtems_test_assert(status == 0);
status = seteuid(0);
rtems_test_assert(status == 0);
status = chown(file01, user_id, group_id);
rtems_test_assert(status == 0);
status=mkdir(directory01,mode);
rtems_test_assert(status==0);
status=stat(directory01,&statbuf);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
printf("The directory file mode is %0o\n",(unsigned int)tmp_mode);
rtems_test_assert(tmp_mode==mode);
/*
*Change the directory file mode
*/
status=chmod(directory01,file_mode);
rtems_test_assert(status==0);
status=stat(directory01,&statbuf);
tmp_mode = (statbuf.st_mode) & ALLPERMS;
rtems_test_assert(tmp_mode==file_mode);
printf("The directory file mode is %0o\n",(unsigned int)tmp_mode);
/*
* Go back to parent directory
*/
status=chdir("..");
rtems_test_assert(status==0);
}
static void root_test(void )
{
int fd;
int sc;
fd =creat("test",0000);
sc=close(fd);
rtems_test_assert(sc==0);
fd=open("test",O_RDONLY);
rtems_test_assert(fd==-1);
}
void test(void )
{
umask_test01();
test_premission01();
test_premission02();
root_test();
}
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