Line data Source code
1 : /***
2 : SPDX-License-Identifier: LGPL-2.1+
3 : ***/
4 :
5 : #include "fd-util.h"
6 : #include "fileio.h"
7 : #include "log.h"
8 : #include "macro.h"
9 : #include "network-internal.h"
10 : #include "networkd-manager.h"
11 : #include "string-util.h"
12 : #include "tests.h"
13 : #include "tmpfile-util.h"
14 :
15 7 : static void test_rule_serialization(const char *title, const char *ruleset, const char *expected) {
16 7 : char pattern[] = "/tmp/systemd-test-routing-policy-rule.XXXXXX",
17 7 : pattern2[] = "/tmp/systemd-test-routing-policy-rule.XXXXXX",
18 7 : pattern3[] = "/tmp/systemd-test-routing-policy-rule.XXXXXX";
19 : const char *cmd;
20 : int fd, fd2, fd3;
21 7 : _cleanup_fclose_ FILE *f = NULL, *f2 = NULL, *f3 = NULL;
22 7 : Set *rules = NULL;
23 7 : _cleanup_free_ char *buf = NULL;
24 : size_t buf_size;
25 :
26 7 : log_info("========== %s ==========", title);
27 7 : log_info("put:\n%s\n", ruleset);
28 :
29 7 : fd = mkostemp_safe(pattern);
30 7 : assert_se(fd >= 0);
31 7 : assert_se(f = fdopen(fd, "a+"));
32 7 : assert_se(write_string_stream(f, ruleset, 0) == 0);
33 :
34 7 : assert_se(routing_policy_load_rules(pattern, &rules) == 0);
35 :
36 7 : fd2 = mkostemp_safe(pattern2);
37 7 : assert_se(fd2 >= 0);
38 7 : assert_se(f2 = fdopen(fd2, "a+"));
39 :
40 7 : assert_se(routing_policy_serialize_rules(rules, f2) == 0);
41 7 : assert_se(fflush_and_check(f2) == 0);
42 :
43 7 : assert_se(read_full_file(pattern2, &buf, &buf_size) == 0);
44 :
45 7 : log_info("got:\n%s", buf);
46 :
47 7 : fd3 = mkostemp_safe(pattern3);
48 7 : assert_se(fd3 >= 0);
49 7 : assert_se(f3 = fdopen(fd3, "w"));
50 7 : assert_se(write_string_stream(f3, expected ?: ruleset, 0) == 0);
51 :
52 63 : cmd = strjoina("diff -u ", pattern3, " ", pattern2);
53 7 : log_info("$ %s", cmd);
54 7 : assert_se(system(cmd) == 0);
55 :
56 14 : set_free_with_destructor(rules, routing_policy_rule_free);
57 7 : }
58 :
59 1 : int main(int argc, char **argv) {
60 2 : _cleanup_free_ char *p = NULL;
61 :
62 1 : test_setup_logging(LOG_DEBUG);
63 :
64 1 : test_rule_serialization("basic parsing",
65 : "RULE=from=1.2.3.4/32 to=2.3.4.5/32 family=AF_INET tos=5 priority=0 fwmark=1/2 table=10", NULL);
66 :
67 1 : test_rule_serialization("ignored values",
68 : "RULE=something=to=ignore from=1.2.3.4/32 from=1.2.3.4/32"
69 : " \t to=2.3.4.5/24 to=2.3.4.5/32 tos=5 fwmark=2 fwmark=1 table=10 table=20",
70 : "RULE=from=1.2.3.4/32"
71 : " to=2.3.4.5/32 family=AF_INET tos=5 priority=0 fwmark=1/0 table=20");
72 :
73 1 : test_rule_serialization("ipv6",
74 : "RULE=from=1::2/64 to=2::3/64 family=AF_INET6 priority=0 table=6", NULL);
75 :
76 1 : assert_se(asprintf(&p, "RULE=from=1::2/64 to=2::3/64 family=AF_INET6 priority=0 table=%d", RT_TABLE_MAIN) >= 0);
77 1 : test_rule_serialization("default table",
78 : "RULE=from=1::2/64 to=2::3/64", p);
79 :
80 1 : test_rule_serialization("incoming interface",
81 : "RULE=from=1::2/64 to=2::3/64 table=1 iif=lo",
82 : "RULE=from=1::2/64 to=2::3/64 family=AF_INET6 priority=0 iif=lo table=1");
83 :
84 1 : test_rule_serialization("outgoing interface",
85 : "RULE=from=1::2/64 to=2::3/64 family=AF_INET6 priority=0 oif=eth0 table=1", NULL);
86 :
87 1 : test_rule_serialization("freeing interface names",
88 : "RULE=from=1::2/64 to=2::3/64 family=AF_INET6 iif=e0 iif=e1 oif=e0 oif=e1 table=1",
89 : "RULE=from=1::2/64 to=2::3/64 family=AF_INET6 priority=0 iif=e1 oif=e1 table=1");
90 :
91 1 : return 0;
92 : }
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