/* Note: This is testing characters in the Latin2 set, but the * encoding is still UTF-8 as it must be for libguestfs. */ static void test_latin2 (guestfs_h *g, const struct filesystem *fs) { /* LATIN CAPITAL LETTER O WITH DOUBLE ACUTE */ const char O_dacute[] = { 0xc5, 0x90, 0 }; const char slash_O_dacute[] = { '/', 0xc5, 0x90, 0 }; /* LATIN SMALL LETTER O WITH DOUBLE ACUTE */ const char o_dacute[] = { 0xc5, 0x91, 0 }; const char slash_o_dacute[] = { '/', 0xc5, 0x91, 0 }; char **files; size_t count; if (guestfs_touch (g, slash_O_dacute) == -1) exit (EXIT_FAILURE); if (guestfs_touch (g, slash_o_dacute) == -1) exit (EXIT_FAILURE); /* Read list of files, check for case sensitivity. */ files = guestfs_ls (g, "/"); if (files == NULL) exit (EXIT_FAILURE); ignore_lost_and_found (files); count = guestfs___count_strings (files); if (fs->fs_case_insensitive) { /* case insensitive */ if (count != 1) error (EXIT_FAILURE, 0, "error: %s: %s is supposed to be case-insensitive, but %zu files " "(instead of 1) were returned", __func__, fs->fs_name, count); if (memcmp (files[0], o_dacute, 3) != 0 && memcmp (files[0], O_dacute, 3) != 0) error (EXIT_FAILURE, 0, "error: %s: %s returned unexpected filename '%s'", __func__, fs->fs_name, files[0]); } else { /* case sensitive */ if (count != 2) error (EXIT_FAILURE, 0, "error: %s: %s is supposed to be case-sensitive, but %zu files " "(instead of 2) were returned", __func__, fs->fs_name, count); if (memcmp (files[0], O_dacute, 3) != 0 || memcmp (files[1], o_dacute, 3) != 0) error (EXIT_FAILURE, 0, "error: %s: %s returned unexpected filenames '%s' and '%s'", __func__, fs->fs_name, files[0], files[1]); if (guestfs_rm (g, slash_O_dacute) == -1) exit (EXIT_FAILURE); } if (guestfs_rm (g, slash_o_dacute) == -1) exit (EXIT_FAILURE); }
static void test_ascii (guestfs_h *g, const struct filesystem *fs) { char **files; size_t count; /* Create various ASCII-named files. */ if (guestfs_touch (g, "/ABC") == -1) exit (EXIT_FAILURE); if (guestfs_touch (g, "/def") == -1) exit (EXIT_FAILURE); if (guestfs_touch (g, "/abc") == -1) exit (EXIT_FAILURE); /* Read list of files, check for case sensitivity. */ files = guestfs_ls (g, "/"); if (files == NULL) exit (EXIT_FAILURE); ignore_lost_and_found (files); count = guestfs___count_strings (files); if (fs->fs_case_insensitive) { /* case insensitive */ if (count != 2) error (EXIT_FAILURE, 0, "error: %s: %s is supposed to be case-insensitive, but %zu files " "(instead of 2) were returned", __func__, fs->fs_name, count); if (STRCASENEQ (files[0], "abc") || STRCASENEQ (files[1], "def")) error (EXIT_FAILURE, 0, "error: %s: %s returned unexpected filenames '%s' and '%s'", __func__, fs->fs_name, files[0], files[1]); } else { /* case sensitive */ if (count != 3) error (EXIT_FAILURE, 0, "error: %s: %s is supposed to be case-sensitive, but %zu files " "(instead of 3) were returned", __func__, fs->fs_name, count); if (STRNEQ (files[0], "ABC") == -1 || STRNEQ (files[1], "abc") == -1 || STRNEQ (files[2], "def") == -1) error (EXIT_FAILURE, 0, "error: %s: %s returned unexpected filenames '%s', '%s', '%s'", __func__, fs->fs_name, files[0], files[1], files[2]); if (guestfs_rm (g, "/abc") == -1) exit (EXIT_FAILURE); } if (guestfs_rm (g, "/ABC") == -1) exit (EXIT_FAILURE); if (guestfs_rm (g, "/def") == -1) exit (EXIT_FAILURE); }
static void test_chinese (guestfs_h *g, const struct filesystem *fs) { /* Various Simplified Chinese characters from: * https://secure.wikimedia.org/wikipedia/en/wiki/Chinese_characters#Comparisons_of_traditional_Chinese.2C_simplified_Chinese.2C_and_Japanese */ char filenames[][5] = { { '/', 0xe7, 0x94, 0xb5, 0 }, { '/', 0xe4, 0xb9, 0xb0, 0 }, { '/', 0xe5, 0xbc, 0x80, 0 }, { '/', 0xe4, 0xb8, 0x9c, 0 }, { '/', 0xe8, 0xbd, 0xa6, 0 }, { '/', 0xe7, 0xba, 0xa2, 0 }, }; const size_t nr_filenames = sizeof filenames / sizeof filenames[0]; size_t i, j; char **files; size_t count; for (i = 0; i < nr_filenames; ++i) { if (guestfs_touch (g, filenames[i]) == -1) exit (EXIT_FAILURE); } /* Check the filenames. */ files = guestfs_ls (g, "/"); if (files == NULL) exit (EXIT_FAILURE); ignore_lost_and_found (files); count = guestfs___count_strings (files); if (count != nr_filenames) error (EXIT_FAILURE, 0, "error: %s: %s returned unexpected number of files " "(%zu, expecting %zu)", __func__, fs->fs_name, count, nr_filenames); for (j = 0; j < count; ++j) { for (i = 0; i < nr_filenames; ++i) if (memcmp (files[j], &filenames[i][1], 4) == 0) goto next; error (EXIT_FAILURE, 0, "error: %s: %s returned unexpected filename '%s'", __func__, fs->fs_name, files[j]); next:; } for (i = 0; i < nr_filenames; ++i) if (guestfs_rm (g, filenames[i]) == -1) exit (EXIT_FAILURE); }
int main (int argc, char *argv[]) { guestfs_h *g; int fd, r; char tempdir[] = "/tmp/mlXXXXXX"; pid_t pid; char *shell, *p; if (argc != 2) { usage (); exit (EXIT_FAILURE); } printf ("\n" "This is the 'mount-local' demonstration program. Follow the\n" "instructions on screen.\n" "\n" "Creating and formatting the disk image, please wait a moment ...\n"); fflush (stdout); /* Create the output disk image: raw sparse. */ fd = open (argv[1], O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0644); if (fd == -1) { perror (argv[1]); exit (EXIT_FAILURE); } if (ftruncate (fd, SIZE_MB * 1024 * 1024) == -1) { perror ("truncate"); close (fd); exit (EXIT_FAILURE); } if (close (fd) == -1) { perror ("close"); exit (EXIT_FAILURE); } /* Guestfs handle. */ g = guestfs_create (); if (g == NULL) { perror ("could not create libguestfs handle"); exit (EXIT_FAILURE); } /* Create the disk image and format it with a partition and a filesystem. */ if (guestfs_add_drive_opts (g, argv[1], GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw", -1) == -1) exit (EXIT_FAILURE); if (guestfs_launch (g) == -1) exit (EXIT_FAILURE); if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1) exit (EXIT_FAILURE); if (guestfs_mkfs (g, "ext2", "/dev/sda1") == -1) exit (EXIT_FAILURE); /* Mount the empty filesystem. */ if (guestfs_mount_options (g, MOUNT_OPTIONS, "/dev/sda1", "/") == -1) exit (EXIT_FAILURE); /* Create a file in the new filesystem. */ if (guestfs_touch (g, "/PUT_FILES_AND_DIRECTORIES_HERE") == -1) exit (EXIT_FAILURE); /* Create a temporary mount directory. */ if (mkdtemp (tempdir) == NULL) { perror ("mkdtemp"); exit (EXIT_FAILURE); } /* Mount the filesystem. */ if (guestfs_mount_local (g, tempdir, -1) == -1) exit (EXIT_FAILURE); /* Fork the shell for the user. */ pid = fork (); if (pid == -1) { perror ("fork"); exit (EXIT_FAILURE); } if (pid == 0) { /* Child. */ if (chdir (tempdir) == -1) { perror (tempdir); _exit (EXIT_FAILURE); } printf ("\n" "The *current directory* is a FUSE filesystem backed by the disk\n" "image which is managed by libguestfs. Any files or directories\n" "you copy into here (up to %d MB) will be saved into the disk\n" "image. You can also delete files, create certain special files\n" "and so on.\n" "\n" "When you have finished adding files, hit ^D or type 'exit' to\n" "exit the shell and return to the mount-local program.\n" "\n", SIZE_MB); shell = getenv ("SHELL"); if (!shell) r = system ("/bin/sh"); else { /* Set a magic prompt. We only know how to do this for bash. */ p = strrchr (shell, '/'); if (p && strcmp (p+1, "bash") == 0) { size_t len = 64 + strlen (shell); char buf[len]; snprintf (buf, len, "PS1='mount-local-shell> ' %s --norc -i", shell); r = system (buf); } else r = system (shell); } if (r == -1) { fprintf (stderr, "error: failed to run sub-shell (%s) " "(is $SHELL set correctly?)\n", shell); //FALLTHROUGH } chdir ("/"); guestfs_umount_local (g, GUESTFS_UMOUNT_LOCAL_RETRY, 1, -1); _exit (EXIT_SUCCESS); } /* Note that we are *not* waiting for the child yet. We want to * run the FUSE code in parallel with the subshell. */ /* We're going to hide libguestfs errors here, but in a real program * you would probably want to log them somewhere. */ guestfs_push_error_handler (g, NULL, NULL); /* Now run the FUSE thread. */ if (guestfs_mount_local_run (g) == -1) exit (EXIT_FAILURE); guestfs_pop_error_handler (g); waitpid (pid, NULL, 0); /* Shutdown the handle explicitly so write errors can be detected. */ if (guestfs_shutdown (g) == -1) exit (EXIT_FAILURE); guestfs_close (g); printf ("\n" "Any files or directories that you copied in have been saved into\n" "the disk image called '%s'.\n" "\n" "Try opening the disk image with guestfish to see those files:\n" "\n" " guestfish -a %s -m /dev/sda1\n" "\n", argv[1], argv[1]); exit (EXIT_SUCCESS); }
static void test_virtio_serial (void) { int fd, r, eh; char tmpfile[] = "/tmp/speedtestXXXXXX"; struct sigaction sa, old_sa; if (!virtio_serial_upload && !virtio_serial_download) return; /* Create a sparse file. We could upload from /dev/zero, but we * won't get progress messages because libguestfs tests if the * source file is a regular file. */ fd = mkstemp (tmpfile); if (fd == -1) error (EXIT_FAILURE, errno, "mkstemp: %s", tmpfile); if (ftruncate (fd, TEST_SERIAL_MAX_SIZE) == -1) error (EXIT_FAILURE, errno, "ftruncate"); if (close (fd) == -1) error (EXIT_FAILURE, errno, "close"); g = guestfs_create (); if (!g) error (EXIT_FAILURE, errno, "guestfs_create"); if (guestfs_add_drive_scratch (g, INT64_C (100*1024*1024), -1) == -1) exit (EXIT_FAILURE); if (guestfs_launch (g) == -1) exit (EXIT_FAILURE); /* Make and mount a filesystem which will be used by the download test. */ if (guestfs_mkfs (g, "ext4", "/dev/sda") == -1) exit (EXIT_FAILURE); if (guestfs_mount (g, "/dev/sda", "/") == -1) exit (EXIT_FAILURE); /* Time out the upload after TEST_SERIAL_MAX_TIME seconds have passed. */ memset (&sa, 0, sizeof sa); sa.sa_handler = stop_transfer; sa.sa_flags = SA_RESTART; sigaction (SIGALRM, &sa, &old_sa); /* Get progress messages, which will tell us how much data has been * transferred. */ eh = guestfs_set_event_callback (g, progress_cb, GUESTFS_EVENT_PROGRESS, 0, NULL); if (eh == -1) exit (EXIT_FAILURE); if (virtio_serial_upload) { gettimeofday (&start, NULL); rate = -1; operation = "upload"; alarm (max_time_override > 0 ? max_time_override : TEST_SERIAL_MAX_TIME); /* For the upload test, upload the sparse file to /dev/null in the * appliance. Hopefully this is mostly testing just virtio-serial. */ guestfs_push_error_handler (g, NULL, NULL); r = guestfs_upload (g, tmpfile, "/dev/null"); alarm (0); unlink (tmpfile); guestfs_pop_error_handler (g); /* It's possible that the upload will finish before the alarm fires, * or that the upload will be stopped by the alarm. */ if (r == -1 && guestfs_last_errno (g) != EINTR) { fprintf (stderr, "%s: expecting upload command to return EINTR\n%s\n", guestfs_int_program_name, guestfs_last_error (g)); exit (EXIT_FAILURE); } if (rate == -1) { rate_error: fprintf (stderr, "%s: internal error: progress callback was not called! (r=%d, errno=%d)\n", guestfs_int_program_name, r, guestfs_last_errno (g)); exit (EXIT_FAILURE); } print_rate ("virtio-serial upload rate:", rate); } if (virtio_serial_download) { /* For the download test, download a sparse file within the * appliance to /dev/null on the host. */ if (guestfs_touch (g, "/sparse") == -1) exit (EXIT_FAILURE); if (guestfs_truncate_size (g, "/sparse", TEST_SERIAL_MAX_SIZE) == -1) exit (EXIT_FAILURE); gettimeofday (&start, NULL); rate = -1; operation = "download"; alarm (max_time_override > 0 ? max_time_override : TEST_SERIAL_MAX_TIME); guestfs_push_error_handler (g, NULL, NULL); r = guestfs_download (g, "/sparse", "/dev/null"); alarm (0); guestfs_pop_error_handler (g); if (r == -1 && guestfs_last_errno (g) != EINTR) { fprintf (stderr, "%s: expecting download command to return EINTR\n%s\n", guestfs_int_program_name, guestfs_last_error (g)); exit (EXIT_FAILURE); } if (rate == -1) goto rate_error; print_rate ("virtio-serial download rate:", rate); } if (guestfs_shutdown (g) == -1) exit (EXIT_FAILURE); guestfs_close (g); /* Restore SIGALRM signal handler. */ sigaction (SIGALRM, &old_sa, NULL); }
int main (int argc, char *argv[]) { guestfs_h *g; int r, err; struct guestfs_stat *stat; g = guestfs_create (); if (g == NULL) { fprintf (stderr, "failed to create handle\n"); exit (EXIT_FAILURE); } if (guestfs_add_drive_scratch (g, 524288000, -1) == -1) exit (EXIT_FAILURE); if (guestfs_launch (g) == -1) exit (EXIT_FAILURE); if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1) exit (EXIT_FAILURE); if (guestfs_mkfs (g, "ext2", "/dev/sda1") == -1) exit (EXIT_FAILURE); /* Mount read-only, and check that errno == EROFS is passed back when * we create a file. */ if (guestfs_mount_ro (g, "/dev/sda1", "/") == -1) exit (EXIT_FAILURE); r = guestfs_touch (g, "/test"); if (r != -1) { fprintf (stderr, "guestfs_touch: expected error for read-only filesystem\n"); exit (EXIT_FAILURE); } err = guestfs_last_errno (g); if (err != EROFS) { fprintf (stderr, "guestfs_touch: expected errno == EROFS, but got %d\n", err); exit (EXIT_FAILURE); } if (guestfs_umount (g, "/") == -1) exit (EXIT_FAILURE); /* Mount it writable and test some other errors. */ if (guestfs_mount (g, "/dev/sda1", "/") == -1) exit (EXIT_FAILURE); stat = guestfs_lstat (g, "/nosuchfile"); if (stat != NULL) { fprintf (stderr, "guestfs_lstat: expected error for missing file\n"); exit (EXIT_FAILURE); } err = guestfs_last_errno (g); if (err != ENOENT) { fprintf (stderr, "guestfs_lstat: expected errno == ENOENT, but got %d\n", err); exit (EXIT_FAILURE); } if (guestfs_touch (g, "/test") == -1) exit (EXIT_FAILURE); r = guestfs_mkdir (g, "/test"); if (r != -1) { fprintf (stderr, "guestfs_mkdir: expected error for file which exists\n"); exit (EXIT_FAILURE); } err = guestfs_last_errno (g); if (err != EEXIST) { fprintf (stderr, "guestfs_mkdir: expected errno == EEXIST, but got %d\n", err); exit (EXIT_FAILURE); } guestfs_close (g); exit (EXIT_SUCCESS); }