minix/tests/test65.c

   1 #include <sys/mount.h>
   2 #include <sys/types.h>
   3 #include <sys/stat.h>
   4 #include <sys/wait.h>
   5 #include <fcntl.h>
   6 #include <stdio.h>
   7 #include <unistd.h>
   8
   9 int max_error = 0;
  10 #include "common.h"
  11
  12
  13 #define TESTMNT         "testmnt"
  14 #define TESTFILE        "test.txt"
  15 #define TESTSTRING      "foobar"
  16 #define RAMDISK         "/dev/ram5"
  17 #define RAMDISK_SIZE    "2048"
  18 #define SILENT          " > /dev/null 2>&1"
  19
  20 void basic_test(void);
  21 void bomb(char const *msg);
  22 void skip(char const *msg);
  23 void create_partition(void);
  24 void verify_tools(void);
  25
  26 void
  27 basic_test(void)
  28 {
  29 /* Write a string to a file, read it back, and confirm it's identical */
  30         int status;
  31         char cmd_buf[1024];
  32         char file_buf[sizeof(TESTSTRING)*10];
  33         int fd;
  34
  35         subtest = 3;
  36
  37         /* Write test string to test file */
  38         snprintf(cmd_buf, sizeof(cmd_buf), "echo -n %s > %s/%s\n",
  39                 TESTSTRING, TESTMNT, TESTFILE);
  40         status = system(cmd_buf);
  41         if (WEXITSTATUS(status) != 0)
  42                 bomb("Unable to echo string to file");
  43
  44         /* Flush to disk and unmount, remount */
  45         system("sync");
  46         system("umount " RAMDISK SILENT);
  47         snprintf(cmd_buf, sizeof(cmd_buf), "mount -t ntfs-3g %s %s %s",
  48                 RAMDISK, TESTMNT, SILENT);
  49         status = system(cmd_buf);
  50         if (WEXITSTATUS(status) != 0)
  51                 bomb("Unable to mount NTFS partition (1)");
  52
  53         /* Open file and verify contents */
  54         if ((fd = open(TESTMNT "/" TESTFILE, O_RDONLY)) < 0) e(1);
  55         if (read(fd, file_buf, sizeof(file_buf)) != strlen(TESTSTRING)) e(2);
  56         (void) close(fd);
  57         system("umount " RAMDISK SILENT);
  58         if (strncmp(file_buf, TESTSTRING, strlen(TESTSTRING))) e(3);
  59 }
  60
  61 void
  62 skip(char const *msg)
  63 {
  64         system("umount " RAMDISK SILENT);
  65         printf("%s\n", msg);
  66         quit();
  67 }
  68
  69 void
  70 bomb(char const *msg)
  71 {
  72         system("umount " RAMDISK SILENT);
  73         printf("%s\n", msg);
  74         e(99);
  75         quit();
  76 }
  77
  78 void
  79 create_partition(void)
  80 {
  81         int status;
  82         char mntcmd[1024];
  83
  84         subtest = 1;
  85
  86         if (getuid() != 0 && setuid(0) != 0) e(1);
  87         status = system("ramdisk " RAMDISK_SIZE " " RAMDISK SILENT);
  88         if (WEXITSTATUS(status) != 0)
  89                 bomb("Unable to create ramdisk");
  90
  91         status = system("mkntfs " RAMDISK SILENT);
  92         if (WEXITSTATUS(status) != 0)
  93                 bomb("Unable to create NTFS file system on " RAMDISK);
  94
  95         if (mkdir(TESTMNT, 0755) != 0)
  96                 bomb("Unable to create directory for mounting");
  97
  98         snprintf(mntcmd, sizeof(mntcmd), "mount -t ntfs-3g %s %s %s",
  99                 RAMDISK, TESTMNT, SILENT);
 100         status = system(mntcmd);
 101         if (WEXITSTATUS(status) != 0)
 102                 bomb("Unable to mount NTFS partition (1)");
 103 }
 104
 105 void
 106 verify_tools(void)
 107 {
 108         int status1, status2;
 109
 110         subtest = 1;
 111
 112         status1 = system("which mkntfs > /dev/null 2>&1");
 113         status2 = system("which ntfs-3g > /dev/null 2>&1");
 114         if (WEXITSTATUS(status1) != 0 || WEXITSTATUS(status2) != 0)
 115                 skip("mkntfs or ntfs-3g not found, skipping test");
 116 }
 117
 118 int
 119 main(int argc, char *argv[])
 120 {
 121         start(65);
 122         verify_tools();
 123         create_partition();
 124         basic_test();
 125         quit();
 126         return(-1);     /* Unreachable */
 127 }
 128