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Fix parsing of Dot11 packets encapsulated on PPI having FCS-at-end

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This commit is contained in:
Matias Fontanini
2015-09-21 20:49:17 -07:00
parent 9d0a2d4f3e
commit 693cef04df
3 changed files with 30 additions and 2 deletions
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15
tests/src/ppi.cpp
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@@ -1,4 +1,5 @@
#include "dot11/dot11_data.h"
#include "dot11/dot11_beacon.h"
#ifdef HAVE_DOT11
@@ -13,7 +14,7 @@ using namespace Tins;
class PPITest : public testing::Test {
public:
static const uint8_t packet1[];
static const uint8_t packet1[], dot11_with_options[];
};
const uint8_t PPITest::packet1[] = {
@@ -30,6 +31,10 @@ const uint8_t PPITest::packet1[] = {
1, 0, 1, 120, 128, 89, 55
};
const uint8_t PPITest::dot11_with_options[] = {
0, 0, 32, 0, 105, 0, 0, 0, 2, 0, 20, 0, 128, 101, 85, 181, 14, 0, 0, 0, 1, 0, 2, 0, 113, 9, 160, 0, 0, 0, 205, 0, 128, 0, 0, 0, 255, 255, 255, 255, 255, 255, 6, 24, 10, 127, 79, 208, 6, 24, 10, 127, 79, 208, 240, 139, 128, 101, 85, 181, 14, 0, 0, 0, 100, 0, 49, 20, 0, 0, 1, 8, 130, 132, 139, 150, 12, 18, 24, 36, 3, 1, 1, 5, 4, 0, 1, 0, 0, 7, 6, 85, 83, 32, 1, 11, 30, 42, 1, 0, 48, 24, 1, 0, 0, 15, 172, 2, 2, 0, 0, 15, 172, 4, 0, 15, 172, 2, 1, 0, 0, 15, 172, 2, 0, 0, 50, 4, 48, 72, 96, 108, 51, 4, 12, 1, 6, 11, 70, 5, 115, 192, 1, 0, 0, 45, 26, 173, 17, 3, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 61, 22, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 221, 26, 0, 80, 242, 1, 1, 0, 0, 80, 242, 2, 2, 0, 0, 80, 242, 4, 0, 80, 242, 2, 1, 0, 0, 80, 242, 2, 221, 24, 0, 80, 242, 2, 1, 1, 138, 0, 3, 164, 0, 0, 39, 164, 0, 0, 66, 67, 94, 0, 98, 50, 47, 0, 221, 9, 0, 3, 127, 1, 1, 0, 0, 255, 127, 221, 13, 0, 24, 10, 7, 0, 0, 0, 0, 1, 0, 20, 63, 198, 54, 63, 126, 205
};
TEST_F(PPITest, ConstructorFromBuffer) {
PPI pdu(packet1, sizeof(packet1));
EXPECT_EQ(0, pdu.version());
@@ -40,4 +45,12 @@ TEST_F(PPITest, ConstructorFromBuffer) {
EXPECT_TRUE(pdu.find_pdu<UDP>() != NULL);
}
TEST_F(PPITest, ConstructorFromBufferUsingEncapsulatedDot11WithOptions) {
PPI pdu(dot11_with_options, sizeof(dot11_with_options));
EXPECT_EQ(105U, pdu.dlt());
Dot11Beacon* dot11 = pdu.find_pdu<Dot11Beacon>();
ASSERT_TRUE(dot11 != NULL);
EXPECT_TRUE(dot11->search_option(static_cast<Dot11::OptionTypes>(61)) != NULL);
}
#endif // HAVE_DOT11