src/test/test-socket-util.c

   1 /***
   2   This file is part of systemd
   3
   4   Copyright 2014 Ronny Chevalier
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include "socket-util.h"
  21 #include "in-addr-util.h"
  22 #include "util.h"
  23 #include "macro.h"
  24 #include "log.h"
  25
  26 static void test_socket_address_parse(void) {
  27         SocketAddress a;
  28
  29         assert_se(socket_address_parse(&a, "junk") < 0);
  30         assert_se(socket_address_parse(&a, "192.168.1.1") < 0);
  31         assert_se(socket_address_parse(&a, ".168.1.1") < 0);
  32         assert_se(socket_address_parse(&a, "989.168.1.1") < 0);
  33         assert_se(socket_address_parse(&a, "192.168.1.1:65536") < 0);
  34         assert_se(socket_address_parse(&a, "192.168.1.1:0") < 0);
  35         assert_se(socket_address_parse(&a, "0") < 0);
  36         assert_se(socket_address_parse(&a, "65536") < 0);
  37
  38         assert_se(socket_address_parse(&a, "65535") >= 0);
  39
  40         if (socket_ipv6_is_supported()) {
  41                 assert_se(socket_address_parse(&a, "[::1]") < 0);
  42                 assert_se(socket_address_parse(&a, "[::1]8888") < 0);
  43                 assert_se(socket_address_parse(&a, "::1") < 0);
  44                 assert_se(socket_address_parse(&a, "[::1]:0") < 0);
  45                 assert_se(socket_address_parse(&a, "[::1]:65536") < 0);
  46                 assert_se(socket_address_parse(&a, "[a:b:1]:8888") < 0);
  47
  48                 assert_se(socket_address_parse(&a, "8888") >= 0);
  49                 assert_se(a.sockaddr.sa.sa_family == AF_INET6);
  50
  51                 assert_se(socket_address_parse(&a, "[2001:0db8:0000:85a3:0000:0000:ac1f:8001]:8888") >= 0);
  52                 assert_se(a.sockaddr.sa.sa_family == AF_INET6);
  53
  54                 assert_se(socket_address_parse(&a, "[::1]:8888") >= 0);
  55                 assert_se(a.sockaddr.sa.sa_family == AF_INET6);
  56         } else {
  57                 assert_se(socket_address_parse(&a, "[::1]:8888") < 0);
  58
  59                 assert_se(socket_address_parse(&a, "8888") >= 0);
  60                 assert_se(a.sockaddr.sa.sa_family == AF_INET);
  61         }
  62
  63         assert_se(socket_address_parse(&a, "192.168.1.254:8888") >= 0);
  64         assert_se(a.sockaddr.sa.sa_family == AF_INET);
  65
  66         assert_se(socket_address_parse(&a, "/foo/bar") >= 0);
  67         assert_se(a.sockaddr.sa.sa_family == AF_UNIX);
  68
  69         assert_se(socket_address_parse(&a, "@abstract") >= 0);
  70         assert_se(a.sockaddr.sa.sa_family == AF_UNIX);
  71 }
  72
  73 static void test_socket_address_parse_netlink(void) {
  74         SocketAddress a;
  75
  76         assert_se(socket_address_parse_netlink(&a, "junk") < 0);
  77         assert_se(socket_address_parse_netlink(&a, "") < 0);
  78
  79         assert_se(socket_address_parse_netlink(&a, "route") >= 0);
  80         assert_se(socket_address_parse_netlink(&a, "route 10") >= 0);
  81         assert_se(a.sockaddr.sa.sa_family == AF_NETLINK);
  82         assert_se(a.protocol == NETLINK_ROUTE);
  83 }
  84
  85 static void test_socket_address_equal(void) {
  86         SocketAddress a;
  87         SocketAddress b;
  88
  89         assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0);
  90         assert_se(socket_address_parse(&b, "192.168.1.1:888") >= 0);
  91         assert_se(!socket_address_equal(&a, &b));
  92
  93         assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0);
  94         assert_se(socket_address_parse(&b, "192.16.1.1:8888") >= 0);
  95         assert_se(!socket_address_equal(&a, &b));
  96
  97         assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0);
  98         assert_se(socket_address_parse(&b, "8888") >= 0);
  99         assert_se(!socket_address_equal(&a, &b));
 100
 101         assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0);
 102         assert_se(socket_address_parse(&b, "/foo/bar/") >= 0);
 103         assert_se(!socket_address_equal(&a, &b));
 104
 105         assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0);
 106         assert_se(socket_address_parse(&b, "192.168.1.1:8888") >= 0);
 107         assert_se(socket_address_equal(&a, &b));
 108
 109         assert_se(socket_address_parse(&a, "/foo/bar") >= 0);
 110         assert_se(socket_address_parse(&b, "/foo/bar") >= 0);
 111         assert_se(socket_address_equal(&a, &b));
 112
 113         assert_se(socket_address_parse(&a, "[::1]:8888") >= 0);
 114         assert_se(socket_address_parse(&b, "[::1]:8888") >= 0);
 115         assert_se(socket_address_equal(&a, &b));
 116
 117         assert_se(socket_address_parse(&a, "@abstract") >= 0);
 118         assert_se(socket_address_parse(&b, "@abstract") >= 0);
 119         assert_se(socket_address_equal(&a, &b));
 120
 121         assert_se(socket_address_parse_netlink(&a, "firewall") >= 0);
 122         assert_se(socket_address_parse_netlink(&b, "firewall") >= 0);
 123         assert_se(socket_address_equal(&a, &b));
 124 }
 125
 126 static void test_socket_address_get_path(void) {
 127         SocketAddress a;
 128
 129         assert_se(socket_address_parse(&a, "192.168.1.1:8888") >= 0);
 130         assert_se(!socket_address_get_path(&a));
 131
 132         assert_se(socket_address_parse(&a, "@abstract") >= 0);
 133         assert_se(!socket_address_get_path(&a));
 134
 135         assert_se(socket_address_parse(&a, "[::1]:8888") >= 0);
 136         assert_se(!socket_address_get_path(&a));
 137
 138         assert_se(socket_address_parse(&a, "/foo/bar") >= 0);
 139         assert_se(streq(socket_address_get_path(&a), "/foo/bar"));
 140 }
 141
 142 static void test_in_addr_prefix_intersect_one(unsigned f, const char *a, unsigned apl, const char *b, unsigned bpl, int result) {
 143         union in_addr_union ua, ub;
 144
 145         assert_se(in_addr_from_string(f, a, &ua) >= 0);
 146         assert_se(in_addr_from_string(f, b, &ub) >= 0);
 147
 148         assert_se(in_addr_prefix_intersect(f, &ua, apl, &ub, bpl) == result);
 149 }
 150
 151 static void test_in_addr_prefix_intersect(void) {
 152
 153         test_in_addr_prefix_intersect_one(AF_INET, "255.255.255.255", 32, "255.255.255.254", 32, 0);
 154         test_in_addr_prefix_intersect_one(AF_INET, "255.255.255.255", 0, "255.255.255.255", 32, 1);
 155         test_in_addr_prefix_intersect_one(AF_INET, "0.0.0.0", 0, "47.11.8.15", 32, 1);
 156
 157         test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.1", 24, 1);
 158         test_in_addr_prefix_intersect_one(AF_INET, "2.2.2.2", 24, "1.1.1.1", 24, 0);
 159
 160         test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.127", 25, 1);
 161         test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 24, "1.1.1.127", 26, 1);
 162         test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 25, "1.1.1.127", 25, 1);
 163         test_in_addr_prefix_intersect_one(AF_INET, "1.1.1.1", 25, "1.1.1.255", 25, 0);
 164
 165         test_in_addr_prefix_intersect_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe", 128, 0);
 166         test_in_addr_prefix_intersect_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 0, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, 1);
 167         test_in_addr_prefix_intersect_one(AF_INET6, "::", 0, "beef:beef:beef:beef:beef:beef:beef:beef", 128, 1);
 168
 169         test_in_addr_prefix_intersect_one(AF_INET6, "1::2", 64, "1::2", 64, 1);
 170         test_in_addr_prefix_intersect_one(AF_INET6, "2::2", 64, "1::2", 64, 0);
 171
 172         test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 120, "1::007f", 121, 1);
 173         test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 120, "1::007f", 122, 1);
 174         test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 121, "1::007f", 121, 1);
 175         test_in_addr_prefix_intersect_one(AF_INET6, "1::1", 121, "1::00ff", 121, 0);
 176 }
 177
 178 static void test_in_addr_prefix_next_one(unsigned f, const char *before, unsigned pl, const char *after) {
 179         union in_addr_union ubefore, uafter, t;
 180
 181         assert_se(in_addr_from_string(f, before, &ubefore) >= 0);
 182
 183         t = ubefore;
 184         assert_se((in_addr_prefix_next(f, &t, pl) > 0) == !!after);
 185
 186         if (after) {
 187                 assert_se(in_addr_from_string(f, after, &uafter) >= 0);
 188                 assert_se(in_addr_equal(f, &t, &uafter) > 0);
 189         }
 190 }
 191
 192 static void test_in_addr_prefix_next(void) {
 193
 194         test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 24, "192.168.1.0");
 195         test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 16, "192.169.0.0");
 196         test_in_addr_prefix_next_one(AF_INET, "192.168.0.0", 20, "192.168.16.0");
 197
 198         test_in_addr_prefix_next_one(AF_INET, "0.0.0.0", 32, "0.0.0.1");
 199         test_in_addr_prefix_next_one(AF_INET, "255.255.255.255", 32, NULL);
 200         test_in_addr_prefix_next_one(AF_INET, "255.255.255.0", 24, NULL);
 201
 202         test_in_addr_prefix_next_one(AF_INET6, "4400::", 128, "4400::0001");
 203         test_in_addr_prefix_next_one(AF_INET6, "4400::", 120, "4400::0100");
 204         test_in_addr_prefix_next_one(AF_INET6, "4400::", 127, "4400::0002");
 205         test_in_addr_prefix_next_one(AF_INET6, "4400::", 8, "4500::");
 206         test_in_addr_prefix_next_one(AF_INET6, "4400::", 7, "4600::");
 207
 208         test_in_addr_prefix_next_one(AF_INET6, "::", 128, "::1");
 209
 210         test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 128, NULL);
 211         test_in_addr_prefix_next_one(AF_INET6, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00", 120, NULL);
 212
 213 }
 214
 215 int main(int argc, char *argv[]) {
 216
 217         log_set_max_level(LOG_DEBUG);
 218
 219         test_socket_address_parse();
 220         test_socket_address_parse_netlink();
 221         test_socket_address_equal();
 222         test_socket_address_get_path();
 223
 224         test_in_addr_prefix_intersect();
 225         test_in_addr_prefix_next();
 226
 227         return 0;
 228 }