mirror of
https://github.com/libguestfs/libguestfs.git
synced 2026-03-21 22:53:37 +00:00
d5b3f558e0
Tests are run via the ./run binary, so all the binaries in the build
directory are available via $PATH already.
Followup of commit e85a976c5a.
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/* libguestfs
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* Copyright (C) 2013 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* Test the guestunmount --fd flag. Note this is done without
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* requiring libguestfs or guestmount.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <error.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include "ignore-value.h"
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#include "guestfs.h"
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#include "guestfs-internal-frontend.h"
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int
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main (int argc, char *argv[])
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{
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char *skip;
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int pipefd[2];
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pid_t pid;
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int r, status;
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/* Allow the test to be skipped. */
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skip = getenv ("SKIP_TEST_FUSE_SH");
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if (skip && guestfs_int_is_true (skip) > 0)
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error (77, 0, "test skipped because environment variable set");
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skip = getenv ("SKIP_TEST_GUESTUNMOUNT_FD");
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if (skip && guestfs_int_is_true (skip) > 0)
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error (77, 0, "test skipped because environment variable set");
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/* Create the pipe. */
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if (pipe (pipefd) == -1)
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error (EXIT_FAILURE, errno, "pipe");
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/* Create the guestunmount subprocess. */
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pid = fork ();
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if (pid == -1)
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error (EXIT_FAILURE, errno, "fork");
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if (pid == 0) { /* child - guestunmount */
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char fd_str[64];
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close (pipefd[1]);
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snprintf (fd_str, sizeof fd_str, "%d", pipefd[0]);
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execlp ("guestunmount", "guestunmount", "--fd", fd_str, "/", NULL);
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perror ("execlp");
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_exit (EXIT_FAILURE);
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}
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/* Parent continues. */
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close (pipefd[0]);
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ignore_value (fcntl (pipefd[1], F_SETFD, FD_CLOEXEC));
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/* Sleep a bit and test that the guestunmount process is still running. */
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sleep (2);
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r = waitpid (pid, &status, WNOHANG);
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if (r == -1)
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error (EXIT_FAILURE, errno, "waitpid");
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if (r != 0) {
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char status_string[80];
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error (EXIT_FAILURE, 0,
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"test failed: %s",
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guestfs_int_exit_status_to_string (r, "guestunmount",
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status_string,
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sizeof status_string));
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}
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/* Close the write side of the pipe. This should cause guestunmount
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* to exit. It should exit with status code _3_ because we gave it
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* a directory which isn't a FUSE mountpoint.
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*/
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close (pipefd[1]);
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r = waitpid (pid, &status, 0);
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if (r == -1)
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error (EXIT_FAILURE, errno, "waitpid");
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if (!WIFEXITED (status) || WEXITSTATUS (status) != 3) {
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char status_string[80];
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error (EXIT_FAILURE, 0,
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"test failed: guestunmount didn't return status code 3; %s",
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guestfs_int_exit_status_to_string (status, "guestunmount",
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status_string,
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sizeof status_string));
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}
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exit (EXIT_SUCCESS);
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}
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