src/test/test-fstab-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "alloc-util.h"
   4 #include "fstab-util.h"
   5 #include "log.h"
   6 #include "string-util.h"
   7 #include "util.h"
   8
   9 /*
  10 int fstab_filter_options(const char *opts, const char *names,
  11                          const char **namefound, char **value, char **filtered);
  12 */
  13
  14 static void do_fstab_filter_options(const char *opts,
  15                                       const char *remove,
  16                                       int r_expected,
  17                                       const char *name_expected,
  18                                       const char *value_expected,
  19                                       const char *filtered_expected) {
  20
  21         int r;
  22         const char *name;
  23         _cleanup_free_ char *value, *filtered;
  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\"",
  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("opto=0,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  57         do_fstab_filter_options("opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  58         do_fstab_filter_options("x-opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  59
  60         do_fstab_filter_options("first,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first");
  61         do_fstab_filter_options("first=1,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first=1");
  62         do_fstab_filter_options("first,opt=", "opt\0x-opt\0", 1, "opt", "", "first");
  63         do_fstab_filter_options("first=1,opt", "opt\0x-opt\0", 1, "opt", NULL, "first=1");
  64         do_fstab_filter_options("first=1,x-opt", "opt\0x-opt\0", 1, "x-opt", NULL, "first=1");
  65
  66         do_fstab_filter_options("first,opt=0,last=1", "opt\0x-opt\0", 1, "opt", "0", "first,last=1");
  67         do_fstab_filter_options("first=1,opt=0,last=2", "x-opt\0opt\0", 1, "opt", "0", "first=1,last=2");
  68         do_fstab_filter_options("first,opt,last", "opt\0", 1, "opt", NULL, "first,last");
  69         do_fstab_filter_options("first=1,opt,last", "x-opt\0opt\0", 1, "opt", NULL, "first=1,last");
  70         do_fstab_filter_options("first=,opt,last", "opt\0noopt\0", 1, "opt", NULL, "first=,last");
  71
  72         /* check repeated options */
  73         do_fstab_filter_options("first,opt=0,noopt=1,last=1", "opt\0noopt\0", 1, "noopt", "1", "first,last=1");
  74         do_fstab_filter_options("first=1,opt=0,last=2,opt=1", "opt\0", 1, "opt", "1", "first=1,last=2");
  75         do_fstab_filter_options("x-opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  76         do_fstab_filter_options("opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  77
  78         /* check that semicolons are not misinterpreted */
  79         do_fstab_filter_options("opt=0;", "opt\0", 1, "opt", "0;", "");
  80         do_fstab_filter_options("opt;=0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
  81         do_fstab_filter_options("opt;", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  82
  83         /* check that spaces are not misinterpreted */
  84         do_fstab_filter_options("opt=0 ", "opt\0", 1, "opt", "0 ", "");
  85         do_fstab_filter_options("opt =0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
  86         do_fstab_filter_options(" opt ", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  87
  88         /* check function will NULL args */
  89         do_fstab_filter_options(NULL, "opt\0", 0, NULL, NULL, "");
  90         do_fstab_filter_options("", "opt\0", 0, NULL, NULL, "");
  91 }
  92
  93 static void test_fstab_find_pri(void) {
  94         int pri = -1;
  95
  96         assert_se(fstab_find_pri("pri", &pri) == 0);
  97         assert_se(pri == -1);
  98
  99         assert_se(fstab_find_pri("pri=11", &pri) == 1);
 100         assert_se(pri == 11);
 101
 102         assert_se(fstab_find_pri("opt,pri=12,opt", &pri) == 1);
 103         assert_se(pri == 12);
 104
 105         assert_se(fstab_find_pri("opt,opt,pri=12,pri=13", &pri) == 1);
 106         assert_se(pri == 13);
 107 }
 108
 109 static void test_fstab_yes_no_option(void) {
 110         assert_se(fstab_test_yes_no_option("nofail,fail,nofail", "nofail\0fail\0") == true);
 111         assert_se(fstab_test_yes_no_option("nofail,nofail,fail", "nofail\0fail\0") == false);
 112         assert_se(fstab_test_yes_no_option("abc,cde,afail", "nofail\0fail\0") == false);
 113         assert_se(fstab_test_yes_no_option("nofail,fail=0,nofail=0", "nofail\0fail\0") == true);
 114         assert_se(fstab_test_yes_no_option("nofail,nofail=0,fail=0", "nofail\0fail\0") == false);
 115 }
 116
 117 static void test_fstab_node_to_udev_node(void) {
 118         char *n;
 119
 120         n = fstab_node_to_udev_node("LABEL=applé/jack");
 121         puts(n);
 122         assert_se(streq(n, "/dev/disk/by-label/applé\\x2fjack"));
 123         free(n);
 124
 125         n = fstab_node_to_udev_node("PARTLABEL=pinkié pie");
 126         puts(n);
 127         assert_se(streq(n, "/dev/disk/by-partlabel/pinkié\\x20pie"));
 128         free(n);
 129
 130         n = fstab_node_to_udev_node("UUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
 131         puts(n);
 132         assert_se(streq(n, "/dev/disk/by-uuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
 133         free(n);
 134
 135         n = fstab_node_to_udev_node("PARTUUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
 136         puts(n);
 137         assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
 138         free(n);
 139
 140         n = fstab_node_to_udev_node("PONIES=awesome");
 141         puts(n);
 142         assert_se(streq(n, "PONIES=awesome"));
 143         free(n);
 144
 145         n = fstab_node_to_udev_node("/dev/xda1");
 146         puts(n);
 147         assert_se(streq(n, "/dev/xda1"));
 148         free(n);
 149 }
 150
 151 int main(void) {
 152         test_fstab_filter_options();
 153         test_fstab_find_pri();
 154         test_fstab_yes_no_option();
 155         test_fstab_node_to_udev_node();
 156
 157         return 0;
 158 }