src/test/test-fstab-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <stdio.h>
   4
   5 #include "alloc-util.h"
   6 #include "fstab-util.h"
   7 #include "log.h"
   8 #include "string-util.h"
   9
  10 /*
  11 int fstab_filter_options(const char *opts, const char *names,
  12                          const char **namefound, char **value, char **filtered);
  13 */
  14
  15 static void do_fstab_filter_options(const char *opts,
  16                                     const char *remove,
  17                                     int r_expected,
  18                                     const char *name_expected,
  19                                     const char *value_expected,
  20                                     const char *filtered_expected) {
  21         int r;
  22         const char *name;
  23         _cleanup_free_ char *value = NULL, *filtered = NULL;
  24
  25         r = fstab_filter_options(opts, remove, &name, &value, &filtered);
  26         log_info("\"%s\" → %d, \"%s\", \"%s\", \"%s\", expected %d, \"%s\", \"%s\", \"%s\"",
  27                  opts, r, name, value, filtered,
  28                  r_expected, name_expected, value_expected, filtered_expected ?: opts);
  29         assert_se(r == r_expected);
  30         assert_se(streq_ptr(name, name_expected));
  31         assert_se(streq_ptr(value, value_expected));
  32         assert_se(streq_ptr(filtered, filtered_expected ?: opts));
  33
  34         /* also test the malloc-less mode */
  35         r = fstab_filter_options(opts, remove, &name, NULL, NULL);
  36         log_info("\"%s\" → %d, \"%s\", expected %d, \"%s\"\n-",
  37                  opts, r, name,
  38                  r_expected, name_expected);
  39         assert_se(r == r_expected);
  40         assert_se(streq_ptr(name, name_expected));
  41 }
  42
  43 static void test_fstab_filter_options(void) {
  44         do_fstab_filter_options("opt=0", "opt\0x-opt\0", 1, "opt", "0", "");
  45         do_fstab_filter_options("opt=0", "x-opt\0opt\0", 1, "opt", "0", "");
  46         do_fstab_filter_options("opt", "opt\0x-opt\0", 1, "opt", NULL, "");
  47         do_fstab_filter_options("opt", "x-opt\0opt\0", 1, "opt", NULL, "");
  48         do_fstab_filter_options("x-opt", "x-opt\0opt\0", 1, "x-opt", NULL, "");
  49
  50         do_fstab_filter_options("opt=0,other", "opt\0x-opt\0", 1, "opt", "0", "other");
  51         do_fstab_filter_options("opt=0,other", "x-opt\0opt\0", 1, "opt", "0", "other");
  52         do_fstab_filter_options("opt,other", "opt\0x-opt\0", 1, "opt", NULL, "other");
  53         do_fstab_filter_options("opt,other", "x-opt\0opt\0", 1, "opt", NULL, "other");
  54         do_fstab_filter_options("x-opt,other", "opt\0x-opt\0", 1, "x-opt", NULL, "other");
  55
  56         do_fstab_filter_options("opt=0\\,1,other", "opt\0x-opt\0", 1, "opt", "0,1", "other");
  57         do_fstab_filter_options("opt=0,other,x-opt\\,foobar", "x-opt\0opt\0", 1, "opt", "0", "other,x-opt\\,foobar");
  58         do_fstab_filter_options("opt,other,x-opt\\,part", "opt\0x-opt\0", 1, "opt", NULL, "other,x-opt\\,part");
  59         do_fstab_filter_options("opt,other,part\\,x-opt", "x-opt\0opt\0", 1, "opt", NULL, "other,part\\,x-opt");
  60         do_fstab_filter_options("opt,other\\,\\,\\,opt,x-part", "opt\0x-opt\0", 1, "opt", NULL, "other\\,\\,\\,opt,x-part");
  61
  62         do_fstab_filter_options("opto=0,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  63         do_fstab_filter_options("opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  64         do_fstab_filter_options("x-opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  65
  66         do_fstab_filter_options("first,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first");
  67         do_fstab_filter_options("first=1,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first=1");
  68         do_fstab_filter_options("first,opt=", "opt\0x-opt\0", 1, "opt", "", "first");
  69         do_fstab_filter_options("first=1,opt", "opt\0x-opt\0", 1, "opt", NULL, "first=1");
  70         do_fstab_filter_options("first=1,x-opt", "opt\0x-opt\0", 1, "x-opt", NULL, "first=1");
  71
  72         do_fstab_filter_options("first,opt=0,last=1", "opt\0x-opt\0", 1, "opt", "0", "first,last=1");
  73         do_fstab_filter_options("first=1,opt=0,last=2", "x-opt\0opt\0", 1, "opt", "0", "first=1,last=2");
  74         do_fstab_filter_options("first,opt,last", "opt\0", 1, "opt", NULL, "first,last");
  75         do_fstab_filter_options("first=1,opt,last", "x-opt\0opt\0", 1, "opt", NULL, "first=1,last");
  76         do_fstab_filter_options("first=,opt,last", "opt\0noopt\0", 1, "opt", NULL, "first=,last");
  77
  78         /* check repeated options */
  79         do_fstab_filter_options("first,opt=0,noopt=1,last=1", "opt\0noopt\0", 1, "noopt", "1", "first,last=1");
  80         do_fstab_filter_options("first=1,opt=0,last=2,opt=1", "opt\0", 1, "opt", "1", "first=1,last=2");
  81         do_fstab_filter_options("x-opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  82         do_fstab_filter_options("opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  83
  84         /* check that semicolons are not misinterpreted */
  85         do_fstab_filter_options("opt=0;", "opt\0", 1, "opt", "0;", "");
  86         do_fstab_filter_options("opt;=0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
  87         do_fstab_filter_options("opt;", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  88
  89         /* check that spaces are not misinterpreted */
  90         do_fstab_filter_options("opt=0 ", "opt\0", 1, "opt", "0 ", "");
  91         do_fstab_filter_options("opt =0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
  92         do_fstab_filter_options(" opt ", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  93
  94         /* check function will NULL args */
  95         do_fstab_filter_options(NULL, "opt\0", 0, NULL, NULL, "");
  96         do_fstab_filter_options("", "opt\0", 0, NULL, NULL, "");
  97 }
  98
  99 static void test_fstab_find_pri(void) {
 100         int pri = -1;
 101
 102         assert_se(fstab_find_pri("pri", &pri) == 0);
 103         assert_se(pri == -1);
 104
 105         assert_se(fstab_find_pri("pri=11", &pri) == 1);
 106         assert_se(pri == 11);
 107
 108         assert_se(fstab_find_pri("pri=-2", &pri) == 1);
 109         assert_se(pri == -2);
 110
 111         assert_se(fstab_find_pri("opt,pri=12,opt", &pri) == 1);
 112         assert_se(pri == 12);
 113
 114         assert_se(fstab_find_pri("opt,opt,pri=12,pri=13", &pri) == 1);
 115         assert_se(pri == 13);
 116 }
 117
 118 static void test_fstab_yes_no_option(void) {
 119         assert_se(fstab_test_yes_no_option("nofail,fail,nofail", "nofail\0fail\0") == true);
 120         assert_se(fstab_test_yes_no_option("nofail,nofail,fail", "nofail\0fail\0") == false);
 121         assert_se(fstab_test_yes_no_option("abc,cde,afail", "nofail\0fail\0") == false);
 122         assert_se(fstab_test_yes_no_option("nofail,fail=0,nofail=0", "nofail\0fail\0") == true);
 123         assert_se(fstab_test_yes_no_option("nofail,nofail=0,fail=0", "nofail\0fail\0") == false);
 124 }
 125
 126 static void test_fstab_node_to_udev_node(void) {
 127         char *n;
 128
 129         n = fstab_node_to_udev_node("LABEL=applé/jack");
 130         puts(n);
 131         assert_se(streq(n, "/dev/disk/by-label/applé\\x2fjack"));
 132         free(n);
 133
 134         n = fstab_node_to_udev_node("PARTLABEL=pinkié pie");
 135         puts(n);
 136         assert_se(streq(n, "/dev/disk/by-partlabel/pinkié\\x20pie"));
 137         free(n);
 138
 139         n = fstab_node_to_udev_node("UUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
 140         puts(n);
 141         assert_se(streq(n, "/dev/disk/by-uuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
 142         free(n);
 143
 144         n = fstab_node_to_udev_node("PARTUUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
 145         puts(n);
 146         assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
 147         free(n);
 148
 149         n = fstab_node_to_udev_node("PONIES=awesome");
 150         puts(n);
 151         assert_se(streq(n, "PONIES=awesome"));
 152         free(n);
 153
 154         n = fstab_node_to_udev_node("/dev/xda1");
 155         puts(n);
 156         assert_se(streq(n, "/dev/xda1"));
 157         free(n);
 158 }
 159
 160 int main(void) {
 161         test_fstab_filter_options();
 162         test_fstab_find_pri();
 163         test_fstab_yes_no_option();
 164         test_fstab_node_to_udev_node();
 165
 166         return 0;
 167 }