src/test/test-fstab-util.c

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