src/test/test-fileio.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2013 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <stdio.h>
  23 #include <fcntl.h>
  24 #include <unistd.h>
  25
  26 #include "util.h"
  27 #include "fileio.h"
  28 #include "strv.h"
  29 #include "env-util.h"
  30
  31 static void test_parse_env_file(void) {
  32         char t[] = "/tmp/test-parse-env-file-XXXXXX";
  33         int fd, r;
  34         FILE *f;
  35         _cleanup_free_ char *one = NULL, *two = NULL, *three = NULL, *four = NULL, *five = NULL,
  36                         *six = NULL, *seven = NULL, *eight = NULL, *nine = NULL, *ten = NULL;
  37         _cleanup_strv_free_ char **a = NULL, **b = NULL;
  38         char **i;
  39         unsigned k;
  40
  41         fd = mkostemp(t, O_CLOEXEC);
  42         assert_se(fd >= 0);
  43
  44         f = fdopen(fd, "w");
  45         assert_se(f);
  46
  47         fputs("one=BAR   \n"
  48               "# comment\n"
  49               " # comment \n"
  50               " ; comment \n"
  51               "  two   =   bar    \n"
  52               "invalid line\n"
  53               "invalid line #comment\n"
  54               "three = \"333\n"
  55               "xxxx\"\n"
  56               "four = \'44\\\"44\'\n"
  57               "five = \'55\\\'55\' \"FIVE\" cinco   \n"
  58               "six = seis sechs\\\n"
  59               " sis\n"
  60               "seven=\"sevenval\" #nocomment\n"
  61               "eight=eightval #nocomment\n"
  62               "export nine=nineval\n"
  63               "ten=", f);
  64
  65         fflush(f);
  66         fclose(f);
  67
  68         r = load_env_file(t, NULL, &a);
  69         assert_se(r >= 0);
  70
  71         STRV_FOREACH(i, a)
  72                 log_info("Got: <%s>", *i);
  73
  74         assert_se(streq(a[0], "one=BAR"));
  75         assert_se(streq(a[1], "two=bar"));
  76         assert_se(streq(a[2], "three=333\nxxxx"));
  77         assert_se(streq(a[3], "four=44\"44"));
  78         assert_se(streq(a[4], "five=55\'55FIVEcinco"));
  79         assert_se(streq(a[5], "six=seis sechs sis"));
  80         assert_se(streq(a[6], "seven=sevenval#nocomment"));
  81         assert_se(streq(a[7], "eight=eightval #nocomment"));
  82         assert_se(streq(a[8], "export nine=nineval"));
  83         assert_se(streq(a[9], "ten="));
  84         assert_se(a[10] == NULL);
  85
  86         strv_env_clean_log(a, "/tmp/test-fileio");
  87
  88         k = 0;
  89         STRV_FOREACH(i, b) {
  90                 log_info("Got2: <%s>", *i);
  91                 assert_se(streq(*i, a[k++]));
  92         }
  93
  94         r = parse_env_file(
  95                         t, NULL,
  96                        "one", &one,
  97                        "two", &two,
  98                        "three", &three,
  99                        "four", &four,
 100                        "five", &five,
 101                        "six", &six,
 102                        "seven", &seven,
 103                        "eight", &eight,
 104                        "export nine", &nine,
 105                        "ten", &ten,
 106                        NULL);
 107
 108         assert_se(r >= 0);
 109
 110         log_info("one=[%s]", strna(one));
 111         log_info("two=[%s]", strna(two));
 112         log_info("three=[%s]", strna(three));
 113         log_info("four=[%s]", strna(four));
 114         log_info("five=[%s]", strna(five));
 115         log_info("six=[%s]", strna(six));
 116         log_info("seven=[%s]", strna(seven));
 117         log_info("eight=[%s]", strna(eight));
 118         log_info("export nine=[%s]", strna(nine));
 119         log_info("ten=[%s]", strna(nine));
 120
 121         assert_se(streq(one, "BAR"));
 122         assert_se(streq(two, "bar"));
 123         assert_se(streq(three, "333\nxxxx"));
 124         assert_se(streq(four, "44\"44"));
 125         assert_se(streq(five, "55\'55FIVEcinco"));
 126         assert_se(streq(six, "seis sechs sis"));
 127         assert_se(streq(seven, "sevenval#nocomment"));
 128         assert_se(streq(eight, "eightval #nocomment"));
 129         assert_se(streq(nine, "nineval"));
 130         assert_se(ten == NULL);
 131
 132         r = write_env_file("/tmp/test-fileio", a);
 133         assert_se(r >= 0);
 134
 135         r = load_env_file("/tmp/test-fileio", NULL, &b);
 136         assert_se(r >= 0);
 137
 138         unlink(t);
 139         unlink("/tmp/test-fileio");
 140 }
 141
 142 static void test_executable_is_script(void) {
 143         char t[] = "/tmp/test-executable-XXXXXX";
 144         int fd, r;
 145         FILE *f;
 146         char *command;
 147
 148         fd = mkostemp(t, O_CLOEXEC);
 149         assert_se(fd >= 0);
 150
 151         f = fdopen(fd, "w");
 152         assert_se(f);
 153
 154         fputs("#! /bin/script -a -b \ngoo goo", f);
 155         fflush(f);
 156
 157         r = executable_is_script(t, &command);
 158         assert_se(r > 0);
 159         assert_se(streq(command, "/bin/script"));
 160         free(command);
 161
 162         r = executable_is_script("/bin/sh", &command);
 163         assert_se(r == 0);
 164
 165         r = executable_is_script("/usr/bin/yum", &command);
 166         assert_se(r > 0 || r == -ENOENT);
 167         if (r > 0) {
 168                 assert_se(startswith(command, "/"));
 169                 free(command);
 170         }
 171
 172         fclose(f);
 173         unlink(t);
 174 }
 175
 176 int main(int argc, char *argv[]) {
 177         test_parse_env_file();
 178         test_executable_is_script();
 179         return 0;
 180 }