/*
* This test exercises stat() via fstat() and generates as many of the
* path evaluation cases as possible.
*
* COPYRIGHT (c) 1989-1999.
* 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.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <tmacros.h>
#include <assert.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <rtems.h>
#include <rtems/libio.h>
#include <imfs.h>
#define MAXSYMLINK 5 /* There needs to be a better way of getting this. */
#define TIMEOUT_VALUE ( 5 * TICKS_PER_SECOND )
/*
* List of files which should exist.
*/
char *Files[] = {
"/////my_mount_point/dir1/\\//file1\\\\//",
"/my_mount_point/dir1/file2",
"/my_mount_point/dir1/file3",
"/my_mount_point/dir1/file4",
"/my_mount_point/dir1/dir1/file1",
"../../..//my_mount_point/dir1/./././dir1/ file1",
"main.c",
0
};
/*
* List of directories which should exist.
*/
char *Directories[] = {
"/my_mount_point/dir1",
"/my_mount_point/dir2",
"/my_mount_point/dir3",
"/my_mount_point/dir4",
"/my_mount_point/dir1/dir1",
"/./././my_mount_point/dir1/ dir1",
"/./././my_mount_point/links",
"///my_mount_point/dir1/dir1/../../dir1/../symlinks/////",
0
};
char *Links_to_Dirs[]= {
"dir1/dir1/../../links/dir1",
"links/dir2",
"links/dir3",
"links/dir4",
"links/dir1_dir1",
"links/dir1_ dir1",
"links/../links/../links/links",
0
};
char *Links_to_Files[]= {
"links/dir1_file1",
"links/dir1_file2",
"links/dir1_file3",
"links/dir1_file4",
"links/dir1_dir1_f1",
"links/dir1_dir1 f1",
0
};
char *Links_to_dirlinks[]= {
"links/links/links/links_dir1",
"links//links_dir2",
"links//links_dir3",
"links//links_dir4",
"links//links_dir1_d1",
"links//links_dir1 d1",
"links//links_links",
0
};
char *Links_to_filelinks[]= {
"links///links_d1_file1",
"links///links_d1_file2",
"links///links_d1_file3",
"links///links_d1_file4",
"links///links_d1_d1_f1",
"links///links_r1_d1 f1",
0
};
char *SymLinks[]= {
"/my_mount_point/symlinks/a_file_symlink",
"/my_mount_point/symlinks/a_dir_symlink",
"/my_mount_point/symlinks/a_link_symlink",
"../symlinks/no_file",
"/my_mount_point/symlinks/a_dir_symlink/a_file_symlink",
0
};
/*
* List of absolute paths to stat.
*/
char *Good_absolute_paths[] = {
"/my_mount_point/dev",
"////my_mount_point/dir1/\\//file1\\\\//",
"/my_mount_point/dir1/\\\\/file2",
"/my_mount_point/dir1/file3/////\\\\\\",
"/my_mount_point/dir1/file4",
"/my_mount_point/dir1/dir1/file1",
"/my_mount_point/dir1/dir1/ file1",
"/my_mount_point/dir1",
"/my_mount_point/dir2//////\\",
"/my_mount_point/dir3",
"/my_mount_point/dir4",
"/my_mount_point/dir1/dir1",
"/my_mount_point/dir1/ dir1///\\\\",
"/my_mount_point/\\/\\/\\/\\/\\/\\/links\\/\\/\\/\\/\\/\\",
0
};
char *Bad_paths[] = {
"/my_mount_point/links/ENAMETOOLONG__________________________",
"/my_mount_point/dir1/file4/NOTADIR",
"/my_mount_point/dir1/dir1/EACCES__",
0
};
/*
* List of relative paths to stat.
*/
char *Good_relative_paths[] = {
"dev",
"dir1/\\//file1\\\\//",
"dir1/\\\\/file2",
"dir1/file3/////\\\\\\",
"dir1/file4",
"dir1/dir1/file1",
"dir1/dir1/ file1",
"dir1",
"dir2//////\\",
"dir3",
"dir4",
"dir1/dir1",
"dir1/ dir1///\\\\",
"main.c",
0
};
/*
* Do a stat on a single file and report the status.
*/
void stat_a_file(
const char *file
)
{
int status;
struct stat statbuf;
int major1;
int minor1;
int major2;
int minor2;
assert( file );
printf( "stat( %s ) returned ", file );
fflush( stdout );
status = stat( file, &statbuf );
if ( status == -1 ) {
printf( ": %s\n", strerror( errno ) );
} else {
rtems_filesystem_split_dev_t( statbuf.st_dev, major1, minor1 );
rtems_filesystem_split_dev_t( statbuf.st_rdev, major2, minor2 );
printf("\n\tst_dev (0x%x:0x%x)\n", major1, minor1 );
printf( "...st_ino %x\n", (int) statbuf.st_ino );
printf( "...st_mode %o\n", statbuf.st_mode );
printf( "...st_nlink %x\n", statbuf.st_nlink );
printf( "...st_uid %d\n", statbuf.st_uid );
printf( "...st_gid %d\n", statbuf.st_gid );
printf( "...st_rdev (0x%x:0x%x)\n", major2, minor2 );
printf( "...st_size %d\n",(unsigned int) statbuf.st_size );
printf( "...st_atime %s", ctime( &statbuf.st_atime ) );
printf( "...st_mtime %s", ctime( &statbuf.st_mtime ) );
printf( "...st_ctime %s", ctime( &statbuf.st_ctime ) );
#if defined(__svr4__) && !defined(__PPC__) && !defined(__sun__)
printf( "...st_blksize %x\n", statbuf.st_blksize );
printf( "...st_blocks %x\n", statbuf.st_blocks );
#endif
}
}
/*
* stat() multiple files at a time
*/
void stat_multiple_files(
char **files
)
{
int i;
i = 0;
while ( files[i] ) {
stat_a_file( files[i] );
i++;
}
}
/*
* chown() multiple files at a time
*/
void chown_multiple_files(
char **files
)
{
int i;
uid_t st_uid;
gid_t st_gid;
st_uid = geteuid();
st_gid = getegid();
i = 0;
while ( files[i] ) {
printf("Change group of %s\n", files[i]);
chown( files[i], st_uid, (st_gid+1) );
stat_a_file( files[i] );
printf("Change owner of %s\n", files[i]);
chown( files[i], (st_uid+1), st_gid );
stat_a_file( files[i] );
i++;
}
}
/*
* mknod() multiple files at a time
*/
void make_multiple_files(
char **files
)
{
int i;
int status;
i = 0;
while ( files[i] ) {
printf( "Making file %s\n", files[i] );
status = mknod( files[i], ( S_IFREG | S_IROTH|S_IWOTH ), 0LL );
assert( !status );
i++;
}
puts( "" );
}
void make_multiple_bad_files(
char **files
)
{
int i;
int status;
i = 0;
while ( files[i] ) {
printf( "Making file %s ", files[i] );
status = mknod( files[i], ( S_IFREG | S_IROTH|S_IWOTH ), 0LL );
assert( status );
printf( ": %s\n", strerror( errno ) );
i++;
}
puts( "" );
}
void make_multiple_links(
char **existing,
char **new
)
{
int i;
int status;
i = 0;
while ( new[i] && existing[i] ) {
printf( "Making file %s\n", new[i] );
status = link( existing[i], new[i] );
assert( !status );
i++;
}
puts( "" );
status = link( "fred", "bob" );
assert( status == -1 );
status = link( existing[1], "doug/bob" );
assert( status == -1 );
}
void make_too_many_links()
{
int i;
int status;
char name [20];
status = mkdir("/dummy", S_IRWXU );
assert( status == 0 );
for (i=1; i<= LINK_MAX; i++) {
sprintf(name,"/LinkName%d",i);
printf( "Making file %s\n", name );
status = link("/dummy" , name );
if( i < LINK_MAX )
assert( !status );
else
assert( status == -1 );
}
}
void make_a_symlink(
char *existing,
char *new
)
{
int status;
char buf[100];
int len;
memset( buf, 0, 100 );
printf( "Making file %s\n", new );
status = symlink( existing, new );
assert( !status );
printf( "Verify with readlink\n");
status = readlink( new, buf, 100 );
len = strlen( existing );
assert ( status == len );
status = readlink( new, buf, 3 );
len = strlen( existing );
if (len < 3 )
assert( status == len );
else
assert( status == 3 );
status = strcmp( existing, buf );
assert( !status );
}
void make_multiple_symlinks()
{
int status;
make_a_symlink( Files[0], SymLinks[0] );
make_a_symlink( Directories[0], SymLinks[1] );
make_a_symlink( Links_to_dirlinks[0], SymLinks[2] );
make_a_symlink( "No_File", SymLinks[3] );
make_a_symlink( SymLinks[1], SymLinks[4] );
make_a_symlink( "//my_mount_point/links","/my_mount_point/symlinks/links" );
stat_a_file( SymLinks[0] );
stat_a_file( SymLinks[1] );
stat_a_file( SymLinks[2] );
stat_a_file( SymLinks[3] );
stat_a_file( SymLinks[4] );
status = symlink( "//links", "bob/frank" );
assert (status == -1);
}
/*
void make_too_many_symlinks()
{
int i, status;
char name1[8];
for (i=1; i <= MAXSYMLINK; i++) {
sprintf( name1, "SymLink%d", i );
status = symlink( "/dummy", name1 );
if( i < MAXSYMLINK )
assert( !status );
else
assert( status == -1 );
}
}
*/
void make_many_symlinks(
char *real_file,
int link_count
)
{
int i;
char name1[5];
char name2[5];
char *link_file;
link_file = real_file;
for (i=1; i < link_count; i++) {
sprintf( name1, "%d", i );
make_a_symlink( link_file, name1 );
strcpy( name2, name1 );
link_file = name2;
}
for (i=1; i < link_count; i++) {
sprintf( name1, "%d", i );
stat_a_file( name1 );
}
}
/*
* mkdir() multiple directories at a time
*/
void make_multiple_directories(
char **files
)
{
int i;
int status;
i = 0;
while ( files[i] ) {
printf( "Making directory %s\n", files[i] );
status = mkdir( files[i], S_IRWXU );
assert( !status );
i++;
}
puts( "" );
}
/*
* Cause faults.
*/
void Cause_faults()
{
int fd;
int status;
char longer_name[100];
rtems_filesystem_mount_table_entry_t *mt_entry;
/*
* Verify chmod with an invalid type.
*/
printf("\n\nPass an invalid mode to chmod should fail with EPERM \n" );
status = chmod( Files[0], S_IFREG );
assert( status == -1 );
assert( errno == EPERM );
/*
* Try to chdir to a file.
*/
printf("chdir to a file should fail with ENOTDIR\n");
status = chdir( Files[0] );
assert( status == -1 );
assert( errno == ENOTDIR );
/*
* Change mode to read/write on a directory.
* Verify directory works properly.
*/
printf("Verify RWX permission on %s via access\n", Directories[0]);
status = access( Directories[0], ( R_OK | W_OK | X_OK ) );
assert( status == 0 );
printf( "chmod of %s to Read/Write\n", Directories[0] );
status = chmod( Directories[0], (S_IXGRP | S_IXOTH) );
assert( status == 0 );
printf( "chmod fred should fail with ENOENT\n" );
status = chmod( "fred", (S_IXGRP | S_IXOTH) );
assert( status == -1 );
assert( errno == ENOENT );
strcpy(longer_name, Directories[0] );
strcat(longer_name, "/BADNAME" );
printf( "Create under %s should fail with EACCES\n", Directories[0] );
status = mkdir( longer_name , S_IRWXU );
assert( status == -1 );
assert( errno == EACCES );
printf("chdir to %s should fail with EACCES\n", Directories[4] );
status = chdir( Directories[4] );
assert( status == -1 );
assert( errno == EACCES );
/*
* Check stat with a NULL buffer.
*/
printf("Stat with a NULL buffer should fail with EFAULT\n");
status = stat( Directories[0], NULL );
assert( status == -1 );
assert( errno == EFAULT );
/*
* Set current to a directory with no owner permissions.
* Verify it works properly.
*/
printf( "\n\nchmod of %s to Read/Write\n", Directories[0] );
status = chmod( Directories[0], (S_IXGRP | S_IXOTH) );
assert( status == 0 );
printf("mkdir %s should fail with EACCESS\n", longer_name );
status = mkdir( longer_name , S_IRWXU );
assert( status == -1 );
assert( errno == EACCES );
printf("\n%s Should exist ( access )\n",Directories[0] );
status = access( Directories[0], F_OK );
assert( status == 0 );
printf("\n%s Should have read permission( access )\n",Directories[0] );
status = access( Directories[0], R_OK );
assert( status != 0 );
printf("\n%s Should have write permission( access )\n",Directories[0] );
status = access( Directories[0], W_OK );
assert( status != 0 );
printf("\n%s Should not have execute permission( access )\n",Directories[0] );
status = access( Directories[0], X_OK );
assert( status != 0 );
printf("\nRestore %s to RWX\n",Directories[0] );
status = chmod( Directories[0], S_IRWXU );
assert( status == 0 );
printf("chdir to /my_mount_point \n");
status = chdir( "/my_mount_point" );
assert( status == 0 );
/*
* Remove one of the directories.
* Verify links to the removed directory still work.
*/
printf( "Remove %s\n", Directories[5] );
status = rmdir( Directories[5] );
assert( status == 0 );
stat_a_file( Directories[5] );
status = access( Directories[5], F_OK );
assert( status != 0 );
stat_a_file( Links_to_Dirs[5] );
status = readlink( Links_to_Dirs[5], longer_name, 3 );
assert( status == -1 );
assert( errno == EINVAL );
stat_a_file( Links_to_dirlinks[5] );
printf("Chdir to %s\n", Links_to_Dirs[5] );
status = chdir( Links_to_Dirs[5] );
assert( status == 0 );
/*
* Verify we cannot move up from a node with no parent node.
*/
printf("Chdir to .. should fail with ENOENT\n" );
status = chdir( ".." );
assert( status == -1 );
assert( errno == ENOENT );
/*
* Create a subdirectory under the dangling node.
*/
printf("mkdir ../t should fail with ENOENT\n" );
status = mkdir( "../t" , S_IRWXU );
assert( status == -1 );
assert( errno == ENOENT );
printf("mkdir t\n");
status = mkdir( "t" , S_IRWXU );
assert( status == 0 );
printf("chdir to /my_mount_point\n");
status = chdir( "/my_mount_point" );
assert( status == 0 );
/*
* Check rmdir, rmnod, and unlink
*/
printf("rmdir %s should fail with ENOTDIR\n", Links_to_Dirs[5] );
status = rmdir( Links_to_Dirs[5] );
assert( status == -1 );
assert( errno == ENOTDIR );
printf("unlink %s\n", Links_to_Dirs[5] );
status = unlink( Links_to_Dirs[5] );
assert( status == 0 );
printf("unlink %s should fail with ENOTEMPTY\n", Links_to_dirlinks[5] );
status = unlink( Links_to_dirlinks[5] );
assert( status == -1 );
assert( errno == ENOTEMPTY );
strcpy( longer_name, Links_to_dirlinks[5] );
strcat( longer_name, "/t");
printf("rmdir %s\n", longer_name );
status = rmdir( longer_name );
assert( status == 0 );
printf("unlink %s\n", Links_to_Dirs[5]);
status = unlink( Links_to_dirlinks[5] );
assert( status == 0 );
status = chdir( Directories[0] );
status = mkdir ( "my_mount_point", S_IRWXU );
assert( status == 0 );
printf("Attempting to mount IMFS file system at /dir1/my_mount_point \n");
status = mount(
&mt_entry,
&IMFS_ops,
RTEMS_FILESYSTEM_READ_WRITE,
NULL,
"/my_mount_point/dir1/my_mount_point" );
assert( status == 0 );
printf("rmdir /dir1/my_mount_point should fail with EBUSY\n");
status = rmdir ("/my_mount_point/dir1/my_mount_point" );
assert( status == -1 );
assert( errno == EBUSY );
printf( "Unmount /my_mount_point/dir1/my_mount_point\n");
status = unmount( "/my_mount_point/dir1/my_mount_point" );
assert( status == 0 );
/*
* Verify write permission is checked.
*/
printf("chmod of %s to group and other execute\n", Files[0] );
status = chmod (Files[0], (S_IXGRP | S_IXOTH) );
assert( status == 0 );
printf("Open %s for write should fail with EACCES\n", Files[0] );
fd = open (Files[0], O_WRONLY);
assert( fd == -1 );
assert( errno == EACCES );
printf("chmod of %s to User Execute and Read\n", Directories[3] );
status = chmod (Directories[3], (S_IXUSR | S_IRUSR) );
assert( status == 0 );
strcpy(longer_name, Directories[3] );
strcat(longer_name, "/NewFile" );
printf("Mkdir of %s should fail with EACCES\n",longer_name );
status = mkdir( longer_name, S_IRWXU );
assert( status != 0 );
assert( errno == EACCES );
printf(" Making too many hard links.\n" );
make_too_many_links( );
printf( "pass fstat a null pointer should fail with EFAULT\n");
status = fstat( fd, NULL );
assert( status == -1 );
assert( errno == EFAULT);
/*
* The current directory MUST be restored at the end of this test.
*/
printf("chdir to /my_mount_point \n");
status = chdir( "/my_mount_point" );
assert( status == 0 );
}
void Show_Time()
{
rtems_time_of_day time;
rtems_status_code status;
status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time );
printf(">>>>Current Time: ");
print_time( " - rtems_clock_get - ", &time, "\n" );
}
/*
* main entry point to the test
*/
#if defined(__rtems__)
int test_main(void)
#else
int main(
int argc,
char **argv
)
#endif
{
rtems_status_code status;
rtems_time_of_day time;
rtems_filesystem_mount_table_entry_t *mt_entry;
puts( "\n\n*** STAT TEST 01 ***" );
build_time( &time, 12, 31, 1988, 9, 0, 0, 0 );
status = rtems_clock_set( &time );
Show_Time();
/*
* Create and mount another version of the filesyste.
* This allows expected node id's to be consistant across
* platforms and bsp's.
*/
status = mkdir("/my_mount_point", S_IRWXU );
assert( status == 0 );
status = mount(
&mt_entry,
&IMFS_ops,
RTEMS_FILESYSTEM_READ_WRITE,
NULL,
"my_mount_point" );
assert( status == 0 );
status = chdir( "/my_mount_point" );
assert( status == 0 );
status = mkdir("dev", S_IRWXU );
assert( status == 0 );
/*
* Create the files and directories for the test.
*/
make_multiple_directories( Directories );
make_multiple_files( Files );
make_multiple_links( Directories, Links_to_Dirs );
make_multiple_links( Files, Links_to_Files );
status = rtems_task_wake_after( TIMEOUT_VALUE );
make_multiple_links( Links_to_Dirs, Links_to_dirlinks );
status = rtems_task_wake_after( TIMEOUT_VALUE );
make_multiple_links( Links_to_Files, Links_to_filelinks );
status = rtems_task_wake_after( TIMEOUT_VALUE );
/*
* Now go through all the absolute path.
*/
puts( "Doing the stat() on all the good absolute paths" );
stat_multiple_files( Good_absolute_paths );
/*
* run through the relative paths.
*/
puts( "\nDoing the stat() on all the good relative paths" );
stat_multiple_files( Good_relative_paths );
/*
* Change directory and releative paths are now bad.
*/
puts("\nchdir to dev");
chdir("dev");
puts("\nstat relative paths that are now bad");
stat_multiple_files( Good_relative_paths );
/*
* Change directory to the link directory and follow links.
*/
puts("\nchdir to ../links");
chdir("../links");
puts("Doing the stat() on good links\n");
stat_multiple_files( Links_to_Dirs );
stat_multiple_files( Links_to_Files );
stat_multiple_files( Links_to_dirlinks );
stat_multiple_files( Links_to_filelinks );
/*
* Chmod on dir1/dir1. This allows the error path to be hit.
*/
printf( "chmod of %s to Read/Write\n", Directories[4] );
chmod( Directories[4], (S_IROTH|S_IWOTH) );
puts( "\nDoing the stat() on all the bad paths" );
stat_multiple_files( Bad_paths );
make_multiple_bad_files( Bad_paths );
printf( "Return %s to RWX\n", Directories[4] );
chmod( Directories[4], S_IRWXU );
/*
* Check out symbolic links.
*/
make_multiple_symlinks();
make_many_symlinks( "/symlinks", 10 );
status = rtems_task_wake_after( TIMEOUT_VALUE );
Cause_faults();
status = rtems_task_wake_after( TIMEOUT_VALUE );
chown_multiple_files( Files );
status = rtems_task_wake_after( TIMEOUT_VALUE );
chown_multiple_files( Links_to_Dirs );
puts( "\n\n*** END OF STAT TEST 01 ***" );
exit(0);
}
