src/test/test-fstab-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright © 2015 Zbigniew Jędrzejewski-Szmek
   4 ***/
   5
   6 #include "alloc-util.h"
   7 #include "fstab-util.h"
   8 #include "log.h"
   9 #include "string-util.h"
  10 #include "util.h"
  11
  12 /*
  13 int fstab_filter_options(const char *opts, const char *names,
  14                          const char **namefound, char **value, char **filtered);
  15 */
  16
  17 static void do_fstab_filter_options(const char *opts,
  18                                       const char *remove,
  19                                       int r_expected,
  20                                       const char *name_expected,
  21                                       const char *value_expected,
  22                                       const char *filtered_expected) {
  23
  24         int r;
  25         const char *name;
  26         _cleanup_free_ char *value, *filtered;
  27
  28         r = fstab_filter_options(opts, remove, &name, &value, &filtered);
  29         log_info("\"%s\" → %d, \"%s\", \"%s\", \"%s\", expected %d, \"%s\", \"%s\", \"%s\"",
  30                  opts, r, name, value, filtered,
  31                  r_expected, name_expected, value_expected, filtered_expected ?: opts);
  32         assert_se(r == r_expected);
  33         assert_se(streq_ptr(name, name_expected));
  34         assert_se(streq_ptr(value, value_expected));
  35         assert_se(streq_ptr(filtered, filtered_expected ?: opts));
  36
  37         /* also test the malloc-less mode */
  38         r = fstab_filter_options(opts, remove, &name, NULL, NULL);
  39         log_info("\"%s\" → %d, \"%s\", expected %d, \"%s\"",
  40                  opts, r, name,
  41                  r_expected, name_expected);
  42         assert_se(r == r_expected);
  43         assert_se(streq_ptr(name, name_expected));
  44 }
  45
  46 static void test_fstab_filter_options(void) {
  47         do_fstab_filter_options("opt=0", "opt\0x-opt\0", 1, "opt", "0", "");
  48         do_fstab_filter_options("opt=0", "x-opt\0opt\0", 1, "opt", "0", "");
  49         do_fstab_filter_options("opt", "opt\0x-opt\0", 1, "opt", NULL, "");
  50         do_fstab_filter_options("opt", "x-opt\0opt\0", 1, "opt", NULL, "");
  51         do_fstab_filter_options("x-opt", "x-opt\0opt\0", 1, "x-opt", NULL, "");
  52
  53         do_fstab_filter_options("opt=0,other", "opt\0x-opt\0", 1, "opt", "0", "other");
  54         do_fstab_filter_options("opt=0,other", "x-opt\0opt\0", 1, "opt", "0", "other");
  55         do_fstab_filter_options("opt,other", "opt\0x-opt\0", 1, "opt", NULL, "other");
  56         do_fstab_filter_options("opt,other", "x-opt\0opt\0", 1, "opt", NULL, "other");
  57         do_fstab_filter_options("x-opt,other", "opt\0x-opt\0", 1, "x-opt", NULL, "other");
  58
  59         do_fstab_filter_options("opto=0,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  60         do_fstab_filter_options("opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  61         do_fstab_filter_options("x-opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  62
  63         do_fstab_filter_options("first,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first");
  64         do_fstab_filter_options("first=1,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first=1");
  65         do_fstab_filter_options("first,opt=", "opt\0x-opt\0", 1, "opt", "", "first");
  66         do_fstab_filter_options("first=1,opt", "opt\0x-opt\0", 1, "opt", NULL, "first=1");
  67         do_fstab_filter_options("first=1,x-opt", "opt\0x-opt\0", 1, "x-opt", NULL, "first=1");
  68
  69         do_fstab_filter_options("first,opt=0,last=1", "opt\0x-opt\0", 1, "opt", "0", "first,last=1");
  70         do_fstab_filter_options("first=1,opt=0,last=2", "x-opt\0opt\0", 1, "opt", "0", "first=1,last=2");
  71         do_fstab_filter_options("first,opt,last", "opt\0", 1, "opt", NULL, "first,last");
  72         do_fstab_filter_options("first=1,opt,last", "x-opt\0opt\0", 1, "opt", NULL, "first=1,last");
  73         do_fstab_filter_options("first=,opt,last", "opt\0noopt\0", 1, "opt", NULL, "first=,last");
  74
  75         /* check repeated options */
  76         do_fstab_filter_options("first,opt=0,noopt=1,last=1", "opt\0noopt\0", 1, "noopt", "1", "first,last=1");
  77         do_fstab_filter_options("first=1,opt=0,last=2,opt=1", "opt\0", 1, "opt", "1", "first=1,last=2");
  78         do_fstab_filter_options("x-opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  79         do_fstab_filter_options("opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  80
  81         /* check that semicolons are not misinterpreted */
  82         do_fstab_filter_options("opt=0;", "opt\0", 1, "opt", "0;", "");
  83         do_fstab_filter_options("opt;=0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
  84         do_fstab_filter_options("opt;", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  85
  86         /* check that spaces are not misinterpreted */
  87         do_fstab_filter_options("opt=0 ", "opt\0", 1, "opt", "0 ", "");
  88         do_fstab_filter_options("opt =0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
  89         do_fstab_filter_options(" opt ", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  90
  91         /* check function will NULL args */
  92         do_fstab_filter_options(NULL, "opt\0", 0, NULL, NULL, "");
  93         do_fstab_filter_options("", "opt\0", 0, NULL, NULL, "");
  94 }
  95
  96 static void test_fstab_find_pri(void) {
  97         int pri = -1;
  98
  99         assert_se(fstab_find_pri("pri", &pri) == 0);
 100         assert_se(pri == -1);
 101
 102         assert_se(fstab_find_pri("pri=11", &pri) == 1);
 103         assert_se(pri == 11);
 104
 105         assert_se(fstab_find_pri("opt,pri=12,opt", &pri) == 1);
 106         assert_se(pri == 12);
 107
 108         assert_se(fstab_find_pri("opt,opt,pri=12,pri=13", &pri) == 1);
 109         assert_se(pri == 13);
 110 }
 111
 112 static void test_fstab_yes_no_option(void) {
 113         assert_se(fstab_test_yes_no_option("nofail,fail,nofail", "nofail\0fail\0") == true);
 114         assert_se(fstab_test_yes_no_option("nofail,nofail,fail", "nofail\0fail\0") == false);
 115         assert_se(fstab_test_yes_no_option("abc,cde,afail", "nofail\0fail\0") == false);
 116         assert_se(fstab_test_yes_no_option("nofail,fail=0,nofail=0", "nofail\0fail\0") == true);
 117         assert_se(fstab_test_yes_no_option("nofail,nofail=0,fail=0", "nofail\0fail\0") == false);
 118 }
 119
 120 static void test_fstab_node_to_udev_node(void) {
 121         char *n;
 122
 123         n = fstab_node_to_udev_node("LABEL=applé/jack");
 124         puts(n);
 125         assert_se(streq(n, "/dev/disk/by-label/applé\\x2fjack"));
 126         free(n);
 127
 128         n = fstab_node_to_udev_node("PARTLABEL=pinkié pie");
 129         puts(n);
 130         assert_se(streq(n, "/dev/disk/by-partlabel/pinkié\\x20pie"));
 131         free(n);
 132
 133         n = fstab_node_to_udev_node("UUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
 134         puts(n);
 135         assert_se(streq(n, "/dev/disk/by-uuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
 136         free(n);
 137
 138         n = fstab_node_to_udev_node("PARTUUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
 139         puts(n);
 140         assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
 141         free(n);
 142
 143         n = fstab_node_to_udev_node("PONIES=awesome");
 144         puts(n);
 145         assert_se(streq(n, "PONIES=awesome"));
 146         free(n);
 147
 148         n = fstab_node_to_udev_node("/dev/xda1");
 149         puts(n);
 150         assert_se(streq(n, "/dev/xda1"));
 151         free(n);
 152 }
 153
 154 int main(void) {
 155         test_fstab_filter_options();
 156         test_fstab_find_pri();
 157         test_fstab_yes_no_option();
 158         test_fstab_node_to_udev_node();
 159
 160         return 0;
 161 }