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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-09-27 17:48:59 +0200 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-09-29 08:18:59 +0200 |
| commit | e620104956dff64244c0e73e86c3138c0b13b875 (patch) | |
| tree | 101e08bf8bc7839c51525048a81c6e0753c604c3 /src/libsystemd-network | |
| parent | sd-dhcp6-client: modernize dhcp6_option_parse() (diff) | |
| download | systemd-e620104956dff64244c0e73e86c3138c0b13b875.tar.xz systemd-e620104956dff64244c0e73e86c3138c0b13b875.zip | |
test: add tests for reading unaligned data
Diffstat (limited to 'src/libsystemd-network')
| -rw-r--r-- | src/libsystemd-network/test-dhcp6-client.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/src/libsystemd-network/test-dhcp6-client.c b/src/libsystemd-network/test-dhcp6-client.c index f057276476..35aaa2a997 100644 --- a/src/libsystemd-network/test-dhcp6-client.c +++ b/src/libsystemd-network/test-dhcp6-client.c @@ -156,7 +156,7 @@ static int test_parse_domain(sd_event *e) { static int test_option(sd_event *e) { uint8_t packet[] = { - 'F', 'O', 'O', + 'F', 'O', 'O', 'H', 'O', 'G', 'E', 0x00, SD_DHCP6_OPTION_ORO, 0x00, 0x07, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 0x00, SD_DHCP6_OPTION_VENDOR_CLASS, 0x00, 0x09, @@ -164,12 +164,13 @@ static int test_option(sd_event *e) { 'B', 'A', 'R', }; uint8_t result[] = { - 'F', 'O', 'O', + 'F', 'O', 'O', 'H', 'O', 'G', 'E', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 'B', 'A', 'R', }; + _cleanup_free_ uint8_t *buf = NULL; size_t offset, pos, optlen, outlen = sizeof(result); const uint8_t *optval; uint16_t optcode; @@ -185,16 +186,28 @@ static int test_option(sd_event *e) { offset = 3; assert_se(dhcp6_option_parse(packet, 0, &offset, &optcode, &optlen, &optval) == -EBADMSG); - offset = 3; + /* Tests for reading unaligned data. */ + assert_se(buf = new(uint8_t, sizeof(packet))); + for (size_t i = 0; i <= 7; i++) { + memcpy(buf, packet + i, sizeof(packet) - i); + offset = 7 - i; + assert_se(dhcp6_option_parse(buf, sizeof(packet), &offset, &optcode, &optlen, &optval) >= 0); + + assert_se(optcode == SD_DHCP6_OPTION_ORO); + assert_se(optlen == 7); + assert_se(optval == buf + 11 - i); + } + + offset = 7; assert_se(dhcp6_option_parse(packet, sizeof(packet), &offset, &optcode, &optlen, &optval) >= 0); assert_se(optcode == SD_DHCP6_OPTION_ORO); assert_se(optlen == 7); - assert_se(optval == packet + 7); + assert_se(optval == packet + 11); - pos = 3; - outlen -= 3; - out = &result[3]; + pos = 7; + outlen -= 7; + out = &result[pos]; assert_se(dhcp6_option_append(&out, &outlen, optcode, optlen, optval) >= 0); @@ -206,7 +219,7 @@ static int test_option(sd_event *e) { assert_se(optcode == SD_DHCP6_OPTION_VENDOR_CLASS); assert_se(optlen == 9); - assert_se(optval == packet + 18); + assert_se(optval == packet + 22); assert_se(dhcp6_option_append(&out, &outlen, optcode, optlen, optval) >= 0); |