lib/libkvm/tests/kvm_open2_test.c

   1 /*-
   2  * Copyright (c) 2017 Enji Cooper <ngie@freebsd.org>
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  */
  25
  26 #include <sys/cdefs.h>
  27 __FBSDID("$FreeBSD$");
  28
  29 #include <sys/param.h>
  30 #include <errno.h>
  31 #include <fcntl.h>
  32 #include <kvm.h>
  33 #include <limits.h>
  34 #include <paths.h>
  35 #include <signal.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39
  40 #include <atf-c.h>
  41
  42 #include "kvm_test_common.h"
  43
  44 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_corefile);
  45 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_corefile, tc)
  46 {
  47
  48         errbuf_clear();
  49         ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY, NULL, NULL) == NULL);
  50         ATF_CHECK(!errbuf_has_error(errbuf));
  51         errbuf_clear();
  52         ATF_CHECK(kvm_open2(NULL, "/nonexistent", O_RDONLY,
  53             errbuf, NULL) == NULL);
  54         ATF_CHECK(errbuf_has_error(errbuf));
  55 }
  56
  57 ATF_TC_WITHOUT_HEAD(kvm_open2_negative_test_nonexistent_execfile);
  58 ATF_TC_BODY(kvm_open2_negative_test_nonexistent_execfile, tc)
  59 {
  60
  61         errbuf_clear();
  62         ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY,
  63             NULL, NULL) == NULL);
  64         ATF_CHECK(strlen(errbuf) == 0);
  65         errbuf_clear();
  66         ATF_CHECK(kvm_open2("/nonexistent", _PATH_DEVZERO, O_RDONLY,
  67             errbuf, NULL) == NULL);
  68         ATF_CHECK(errbuf_has_error(errbuf));
  69 }
  70
  71 ATF_TC(kvm_open2_negative_test_invalid_corefile);
  72 ATF_TC_HEAD(kvm_open2_negative_test_invalid_corefile, tc)
  73 {
  74
  75         atf_tc_set_md_var(tc, "require.user", "root");
  76 }
  77
  78 ATF_TC_BODY(kvm_open2_negative_test_invalid_corefile, tc)
  79 {
  80         kvm_t *kd;
  81
  82         errbuf_clear();
  83         atf_utils_create_file("some-file", "this is a text file");
  84         kd = kvm_open2(NULL, "some-file", O_RDONLY, errbuf, NULL);
  85         ATF_CHECK(errbuf_has_error(errbuf));
  86         ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded");
  87 }
  88
  89 ATF_TC(kvm_open2_negative_test_invalid_execfile);
  90 ATF_TC_HEAD(kvm_open2_negative_test_invalid_execfile, tc)
  91 {
  92
  93         atf_tc_set_md_var(tc, "require.user", "root");
  94 }
  95
  96 ATF_TC_BODY(kvm_open2_negative_test_invalid_execfile, tc)
  97 {
  98         kvm_t *kd;
  99
 100         errbuf_clear();
 101         atf_utils_create_file("some-file", "this is a text file");
 102         kd = kvm_open2("some-file", "/bin/sh", O_RDONLY, errbuf, NULL);
 103         ATF_CHECK(errbuf_has_error(errbuf));
 104         ATF_REQUIRE_MSG(kd == NULL, "kvm_open2 succeeded unexpectedly");
 105 }
 106
 107 ATF_TP_ADD_TCS(tp)
 108 {
 109
 110         ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_corefile);
 111         ATF_TP_ADD_TC(tp, kvm_open2_negative_test_invalid_execfile);
 112         ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_corefile);
 113         ATF_TP_ADD_TC(tp, kvm_open2_negative_test_nonexistent_execfile);
 114
 115         return (atf_no_error());
 116 }