src/test/test-fstab-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2015 Zbigniew Jędrzejewski-Szmek
   6
   7   systemd is free software; you can redistribute it and/or modify it
   8   under the terms of the GNU Lesser General Public License as published by
   9   the Free Software Foundation; either version 2.1 of the License, or
  10   (at your option) any later version.
  11
  12   systemd is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   Lesser General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public License
  18   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  19 ***/
  20
  21 #include "alloc-util.h"
  22 #include "fstab-util.h"
  23 #include "log.h"
  24 #include "string-util.h"
  25 #include "util.h"
  26
  27 /*
  28 int fstab_filter_options(const char *opts, const char *names,
  29                          const char **namefound, char **value, char **filtered);
  30 */
  31
  32 static void do_fstab_filter_options(const char *opts,
  33                                       const char *remove,
  34                                       int r_expected,
  35                                       const char *name_expected,
  36                                       const char *value_expected,
  37                                       const char *filtered_expected) {
  38
  39         int r;
  40         const char *name;
  41         _cleanup_free_ char *value, *filtered;
  42
  43         r = fstab_filter_options(opts, remove, &name, &value, &filtered);
  44         log_info("\"%s\" → %d, \"%s\", \"%s\", \"%s\", expected %d, \"%s\", \"%s\", \"%s\"",
  45                  opts, r, name, value, filtered,
  46                  r_expected, name_expected, value_expected, filtered_expected ?: opts);
  47         assert_se(r == r_expected);
  48         assert_se(streq_ptr(name, name_expected));
  49         assert_se(streq_ptr(value, value_expected));
  50         assert_se(streq_ptr(filtered, filtered_expected ?: opts));
  51
  52         /* also test the malloc-less mode */
  53         r = fstab_filter_options(opts, remove, &name, NULL, NULL);
  54         log_info("\"%s\" → %d, \"%s\", expected %d, \"%s\"",
  55                  opts, r, name,
  56                  r_expected, name_expected);
  57         assert_se(r == r_expected);
  58         assert_se(streq_ptr(name, name_expected));
  59 }
  60
  61 static void test_fstab_filter_options(void) {
  62         do_fstab_filter_options("opt=0", "opt\0x-opt\0", 1, "opt", "0", "");
  63         do_fstab_filter_options("opt=0", "x-opt\0opt\0", 1, "opt", "0", "");
  64         do_fstab_filter_options("opt", "opt\0x-opt\0", 1, "opt", NULL, "");
  65         do_fstab_filter_options("opt", "x-opt\0opt\0", 1, "opt", NULL, "");
  66         do_fstab_filter_options("x-opt", "x-opt\0opt\0", 1, "x-opt", NULL, "");
  67
  68         do_fstab_filter_options("opt=0,other", "opt\0x-opt\0", 1, "opt", "0", "other");
  69         do_fstab_filter_options("opt=0,other", "x-opt\0opt\0", 1, "opt", "0", "other");
  70         do_fstab_filter_options("opt,other", "opt\0x-opt\0", 1, "opt", NULL, "other");
  71         do_fstab_filter_options("opt,other", "x-opt\0opt\0", 1, "opt", NULL, "other");
  72         do_fstab_filter_options("x-opt,other", "opt\0x-opt\0", 1, "x-opt", NULL, "other");
  73
  74         do_fstab_filter_options("opto=0,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  75         do_fstab_filter_options("opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  76         do_fstab_filter_options("x-opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  77
  78         do_fstab_filter_options("first,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first");
  79         do_fstab_filter_options("first=1,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first=1");
  80         do_fstab_filter_options("first,opt=", "opt\0x-opt\0", 1, "opt", "", "first");
  81         do_fstab_filter_options("first=1,opt", "opt\0x-opt\0", 1, "opt", NULL, "first=1");
  82         do_fstab_filter_options("first=1,x-opt", "opt\0x-opt\0", 1, "x-opt", NULL, "first=1");
  83
  84         do_fstab_filter_options("first,opt=0,last=1", "opt\0x-opt\0", 1, "opt", "0", "first,last=1");
  85         do_fstab_filter_options("first=1,opt=0,last=2", "x-opt\0opt\0", 1, "opt", "0", "first=1,last=2");
  86         do_fstab_filter_options("first,opt,last", "opt\0", 1, "opt", NULL, "first,last");
  87         do_fstab_filter_options("first=1,opt,last", "x-opt\0opt\0", 1, "opt", NULL, "first=1,last");
  88         do_fstab_filter_options("first=,opt,last", "opt\0noopt\0", 1, "opt", NULL, "first=,last");
  89
  90         /* check repeated options */
  91         do_fstab_filter_options("first,opt=0,noopt=1,last=1", "opt\0noopt\0", 1, "noopt", "1", "first,last=1");
  92         do_fstab_filter_options("first=1,opt=0,last=2,opt=1", "opt\0", 1, "opt", "1", "first=1,last=2");
  93         do_fstab_filter_options("x-opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  94         do_fstab_filter_options("opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  95
  96         /* check that semicolons are not misinterpreted */
  97         do_fstab_filter_options("opt=0;", "opt\0", 1, "opt", "0;", "");
  98         do_fstab_filter_options("opt;=0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
  99         do_fstab_filter_options("opt;", "opt\0x-opt\0", 0, NULL, NULL, NULL);
 100
 101         /* check that spaces are not misinterpreted */
 102         do_fstab_filter_options("opt=0 ", "opt\0", 1, "opt", "0 ", "");
 103         do_fstab_filter_options("opt =0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
 104         do_fstab_filter_options(" opt ", "opt\0x-opt\0", 0, NULL, NULL, NULL);
 105
 106         /* check function will NULL args */
 107         do_fstab_filter_options(NULL, "opt\0", 0, NULL, NULL, "");
 108         do_fstab_filter_options("", "opt\0", 0, NULL, NULL, "");
 109 }
 110
 111 static void test_fstab_find_pri(void) {
 112         int pri = -1;
 113
 114         assert_se(fstab_find_pri("pri", &pri) == 0);
 115         assert_se(pri == -1);
 116
 117         assert_se(fstab_find_pri("pri=11", &pri) == 1);
 118         assert_se(pri == 11);
 119
 120         assert_se(fstab_find_pri("opt,pri=12,opt", &pri) == 1);
 121         assert_se(pri == 12);
 122
 123         assert_se(fstab_find_pri("opt,opt,pri=12,pri=13", &pri) == 1);
 124         assert_se(pri == 13);
 125 }
 126
 127 static void test_fstab_yes_no_option(void) {
 128         assert_se(fstab_test_yes_no_option("nofail,fail,nofail", "nofail\0fail\0") == true);
 129         assert_se(fstab_test_yes_no_option("nofail,nofail,fail", "nofail\0fail\0") == false);
 130         assert_se(fstab_test_yes_no_option("abc,cde,afail", "nofail\0fail\0") == false);
 131         assert_se(fstab_test_yes_no_option("nofail,fail=0,nofail=0", "nofail\0fail\0") == true);
 132         assert_se(fstab_test_yes_no_option("nofail,nofail=0,fail=0", "nofail\0fail\0") == false);
 133 }
 134
 135 static void test_fstab_node_to_udev_node(void) {
 136         char *n;
 137
 138         n = fstab_node_to_udev_node("LABEL=applé/jack");
 139         puts(n);
 140         assert_se(streq(n, "/dev/disk/by-label/applé\\x2fjack"));
 141         free(n);
 142
 143         n = fstab_node_to_udev_node("PARTLABEL=pinkié pie");
 144         puts(n);
 145         assert_se(streq(n, "/dev/disk/by-partlabel/pinkié\\x20pie"));
 146         free(n);
 147
 148         n = fstab_node_to_udev_node("UUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
 149         puts(n);
 150         assert_se(streq(n, "/dev/disk/by-uuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
 151         free(n);
 152
 153         n = fstab_node_to_udev_node("PARTUUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
 154         puts(n);
 155         assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
 156         free(n);
 157
 158         n = fstab_node_to_udev_node("PONIES=awesome");
 159         puts(n);
 160         assert_se(streq(n, "PONIES=awesome"));
 161         free(n);
 162
 163         n = fstab_node_to_udev_node("/dev/xda1");
 164         puts(n);
 165         assert_se(streq(n, "/dev/xda1"));
 166         free(n);
 167 }
 168
 169 int main(void) {
 170         test_fstab_filter_options();
 171         test_fstab_find_pri();
 172         test_fstab_yes_no_option();
 173         test_fstab_node_to_udev_node();
 174
 175         return 0;
 176 }