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| author | Ronan Pigott <ronan@rjp.ie> | 2024-01-23 20:29:32 +0100 |
|---|---|---|
| committer | Ronan Pigott <ronan@rjp.ie> | 2024-09-14 07:57:50 +0200 |
| commit | 427166c3b0775e8ea929b6bf68fdd82aac168d3f (patch) | |
| tree | 546741d05744763f89648ad83021cf58cdc25d7a /src/test | |
| parent | core: do not fail if ignorable img.v/ vpick dir is empty (diff) | |
| download | systemd-427166c3b0775e8ea929b6bf68fdd82aac168d3f.tar.xz systemd-427166c3b0775e8ea929b6bf68fdd82aac168d3f.zip | |
dns: introduce dns_name_from_wire_format
This is implemented in various places, but it is better to share this
code.
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/test-dns-domain.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/test/test-dns-domain.c b/src/test/test-dns-domain.c index d775601dae..de66199f54 100644 --- a/src/test/test-dns-domain.c +++ b/src/test/test-dns-domain.c @@ -119,6 +119,95 @@ TEST(dns_name_to_wire_format) { test_dns_name_to_wire_format_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12", out4, sizeof(out4), sizeof(out4)); } +static void test_dns_name_from_wire_format_one(const char *expect, const uint8_t *what, size_t len, int ret) { + _cleanup_free_ char *name = NULL; + int r; + + log_info("%s, %s, %zu, →%d", what, strnull(expect), len, ret); + + r = dns_name_from_wire_format(&what, &len, &name); + assert_se(r == ret); + + if (r >= 0) { + assert(expect); /* for gcc */ + assert_se(memcmp(name, expect, r) == 0); + } +} + +TEST(dns_name_from_wire_format) { + static const uint8_t in0[] = { 0 }; + static const uint8_t in1[] = { 3, 'f', 'o', 'o', 0 }; + static const uint8_t in2[] = { 5, 'h', 'a', 'l', 'l', 'o', 3, 'f', 'o', 'o', 3, 'b', 'a', 'r', 0 }; + static const uint8_t in2_1[] = { 5, 'h', 'a', 'l', 'l', 'o', 3, 'f', 'o', 'o', 0, 'b', 'a', 'r', 0 }; + static const uint8_t in3[] = { 4, ' ', 'f', 'o', 'o', 3, 'b', 'a', 'r', 0 }; + static const uint8_t in4[] = { 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 3, 'a', '1', '2', 0 }; /* 255 octets */ + static const uint8_t in5[] = { 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 9, 'a', '1', '2', '3', '4', '5', '6', '7', '8', + 3, 'a', '1', '2', 0 }; /* 265 octets */ + + test_dns_name_from_wire_format_one("", in0, sizeof(in0), strlen("")); + + test_dns_name_from_wire_format_one("foo", in1, sizeof(in1), strlen("foo")); + test_dns_name_from_wire_format_one(NULL, in1, sizeof(in1) - 1, -EBADMSG); + + test_dns_name_from_wire_format_one("hallo.foo.bar", in2, sizeof(in2), strlen("hallo.foo.bar")); + test_dns_name_from_wire_format_one("hallo.foo", in2_1, sizeof(in2_1), strlen("hallo.foo")); + + test_dns_name_from_wire_format_one("\\032foo.bar", in3, sizeof(in3), strlen("\\032foo.bar")); + + test_dns_name_from_wire_format_one(NULL, in5, sizeof(in5), -EMSGSIZE); + test_dns_name_from_wire_format_one("a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12345678.a12", in4, sizeof(in4), 253); +} + static void test_dns_label_unescape_suffix_one(const char *what, const char *expect1, const char *expect2, size_t buffer_sz, int ret1, int ret2) { char buffer[buffer_sz]; const char *label; |