/src/PcapPlusPlus/Packet++/src/RawPacket.cpp
Line | Count | Source (jump to first uncovered line) |
1 | 0 | #define LOG_MODULE PacketLogModuleRawPacket |
2 | | |
3 | | #include "RawPacket.h" |
4 | | #include "Logger.h" |
5 | | #include "TimespecTimeval.h" |
6 | | #include <cstring> |
7 | | |
8 | | namespace pcpp |
9 | | { |
10 | | RawPacket::RawPacket(const uint8_t* pRawData, int rawDataLen, timeval timestamp, bool deleteRawDataAtDestructor, |
11 | | LinkLayerType layerType) |
12 | 0 | : RawPacket(pRawData, rawDataLen, internal::toTimespec(timestamp), deleteRawDataAtDestructor, layerType) |
13 | 0 | {} |
14 | | |
15 | | RawPacket::RawPacket(const uint8_t* pRawData, int rawDataLen, timespec timestamp, bool deleteRawDataAtDestructor, |
16 | | LinkLayerType layerType) |
17 | 0 | : m_RawData(const_cast<uint8_t*>(pRawData)), m_RawDataLen(rawDataLen), m_FrameLength(rawDataLen), |
18 | 0 | m_TimeStamp(timestamp), m_DeleteRawDataAtDestructor(deleteRawDataAtDestructor), m_RawPacketSet(true), |
19 | 0 | m_LinkLayerType(layerType) |
20 | 0 | {} |
21 | | |
22 | | RawPacket::~RawPacket() |
23 | 3.94k | { |
24 | 3.94k | clear(); |
25 | 3.94k | } |
26 | | |
27 | | RawPacket::RawPacket(const RawPacket& other) |
28 | 0 | { |
29 | 0 | m_RawData = nullptr; |
30 | 0 | copyDataFrom(other, true); |
31 | 0 | } |
32 | | |
33 | | RawPacket& RawPacket::operator=(const RawPacket& other) |
34 | 0 | { |
35 | 0 | if (this != &other) |
36 | 0 | { |
37 | 0 | clear(); |
38 | |
|
39 | 0 | copyDataFrom(other, true); |
40 | 0 | } |
41 | |
|
42 | 0 | return *this; |
43 | 0 | } |
44 | | |
45 | | RawPacket* RawPacket::clone() const |
46 | 0 | { |
47 | 0 | return new RawPacket(*this); |
48 | 0 | } |
49 | | |
50 | | void RawPacket::copyDataFrom(const RawPacket& other, bool allocateData) |
51 | 0 | { |
52 | 0 | if (!other.m_RawPacketSet) |
53 | 0 | return; |
54 | | |
55 | 0 | m_TimeStamp = other.m_TimeStamp; |
56 | |
|
57 | 0 | if (allocateData) |
58 | 0 | { |
59 | 0 | m_DeleteRawDataAtDestructor = true; |
60 | 0 | m_RawData = new uint8_t[other.m_RawDataLen]; |
61 | 0 | m_RawDataLen = other.m_RawDataLen; |
62 | 0 | } |
63 | |
|
64 | 0 | memcpy(m_RawData, other.m_RawData, other.m_RawDataLen); |
65 | 0 | m_LinkLayerType = other.m_LinkLayerType; |
66 | 0 | m_FrameLength = other.m_FrameLength; |
67 | 0 | m_RawPacketSet = true; |
68 | 0 | } |
69 | | |
70 | | bool RawPacket::setRawData(const uint8_t* pRawData, int rawDataLen, timeval timestamp, LinkLayerType layerType, |
71 | | int frameLength) |
72 | 0 | { |
73 | 0 | return setRawData(pRawData, rawDataLen, internal::toTimespec(timestamp), layerType, frameLength); |
74 | 0 | } |
75 | | |
76 | | bool RawPacket::setRawData(const uint8_t* pRawData, int rawDataLen, timespec timestamp, LinkLayerType layerType, |
77 | | int frameLength) |
78 | 26.1k | { |
79 | 26.1k | clear(); |
80 | | |
81 | 26.1k | m_FrameLength = (frameLength == -1) ? rawDataLen : frameLength; |
82 | 26.1k | m_RawData = (uint8_t*)pRawData; |
83 | 26.1k | m_RawDataLen = rawDataLen; |
84 | 26.1k | m_TimeStamp = timestamp; |
85 | 26.1k | m_RawPacketSet = true; |
86 | 26.1k | m_LinkLayerType = layerType; |
87 | 26.1k | return true; |
88 | 26.1k | } |
89 | | |
90 | | bool RawPacket::initWithRawData(const uint8_t* pRawData, int rawDataLen, timespec timestamp, |
91 | | LinkLayerType layerType) |
92 | 0 | { |
93 | 0 | m_DeleteRawDataAtDestructor = false; |
94 | 0 | return setRawData(pRawData, rawDataLen, timestamp, layerType); |
95 | 0 | } |
96 | | |
97 | | void RawPacket::clear() |
98 | 60.2k | { |
99 | 60.2k | if (m_RawData != nullptr && m_DeleteRawDataAtDestructor) |
100 | 26.1k | delete[] m_RawData; |
101 | | |
102 | 60.2k | m_RawData = nullptr; |
103 | 60.2k | m_RawDataLen = 0; |
104 | 60.2k | m_FrameLength = 0; |
105 | 60.2k | m_RawPacketSet = false; |
106 | 60.2k | } |
107 | | |
108 | | void RawPacket::appendData(const uint8_t* dataToAppend, size_t dataToAppendLen) |
109 | 0 | { |
110 | 0 | memcpy((uint8_t*)m_RawData + m_RawDataLen, dataToAppend, dataToAppendLen); |
111 | 0 | m_RawDataLen += dataToAppendLen; |
112 | 0 | m_FrameLength = m_RawDataLen; |
113 | 0 | } |
114 | | |
115 | | void RawPacket::insertData(int atIndex, const uint8_t* dataToInsert, size_t dataToInsertLen) |
116 | 0 | { |
117 | | // memmove copies data as if there was an intermediate buffer in between - so it allows for copying processes on |
118 | | // overlapping src/dest ptrs if insertData is called with atIndex == m_RawDataLen, then no data is being moved. |
119 | | // The data of the raw packet is still extended by dataToInsertLen |
120 | 0 | memmove((uint8_t*)m_RawData + atIndex + dataToInsertLen, (uint8_t*)m_RawData + atIndex, m_RawDataLen - atIndex); |
121 | |
|
122 | 0 | if (dataToInsert != nullptr) |
123 | 0 | { |
124 | | // insert data |
125 | 0 | memcpy((uint8_t*)m_RawData + atIndex, dataToInsert, dataToInsertLen); |
126 | 0 | } |
127 | |
|
128 | 0 | m_RawDataLen += dataToInsertLen; |
129 | 0 | m_FrameLength = m_RawDataLen; |
130 | 0 | } |
131 | | |
132 | | bool RawPacket::reallocateData(size_t newBufferLength) |
133 | 0 | { |
134 | 0 | if ((int)newBufferLength == m_RawDataLen) |
135 | 0 | return true; |
136 | | |
137 | 0 | if ((int)newBufferLength < m_RawDataLen) |
138 | 0 | { |
139 | 0 | PCPP_LOG_ERROR("Cannot reallocate raw packet to a smaller size. Current data length: " |
140 | 0 | << m_RawDataLen << "; requested length: " << newBufferLength); |
141 | 0 | return false; |
142 | 0 | } |
143 | | |
144 | 0 | uint8_t* newBuffer = new uint8_t[newBufferLength]; |
145 | 0 | memset(newBuffer, 0, newBufferLength); |
146 | 0 | memcpy(newBuffer, m_RawData, m_RawDataLen); |
147 | 0 | if (m_DeleteRawDataAtDestructor) |
148 | 0 | delete[] m_RawData; |
149 | |
|
150 | 0 | m_DeleteRawDataAtDestructor = true; |
151 | 0 | m_RawData = newBuffer; |
152 | |
|
153 | 0 | return true; |
154 | 0 | } |
155 | | |
156 | | bool RawPacket::removeData(int atIndex, size_t numOfBytesToRemove) |
157 | 0 | { |
158 | 0 | if ((atIndex + (int)numOfBytesToRemove) > m_RawDataLen) |
159 | 0 | { |
160 | 0 | PCPP_LOG_ERROR("Remove section is out of raw packet bound"); |
161 | 0 | return false; |
162 | 0 | } |
163 | | |
164 | | // only move data if we are removing data somewhere in the layer, not at the end of the last layer |
165 | | // this is so that resizing of the last layer can occur fast by just reducing the fictional length of the packet |
166 | | // (m_RawDataLen) by the given amount |
167 | 0 | if ((atIndex + (int)numOfBytesToRemove) != m_RawDataLen) |
168 | | // memmove copies data as if there was an intermediate buffer in between - so it allows for copying |
169 | | // processes on overlapping src/dest ptrs |
170 | 0 | memmove((uint8_t*)m_RawData + atIndex, (uint8_t*)m_RawData + atIndex + numOfBytesToRemove, |
171 | 0 | m_RawDataLen - (atIndex + numOfBytesToRemove)); |
172 | |
|
173 | 0 | m_RawDataLen -= numOfBytesToRemove; |
174 | 0 | m_FrameLength = m_RawDataLen; |
175 | 0 | return true; |
176 | 0 | } |
177 | | |
178 | | bool RawPacket::setPacketTimeStamp(timeval timestamp) |
179 | 0 | { |
180 | 0 | return setPacketTimeStamp(internal::toTimespec(timestamp)); |
181 | 0 | } |
182 | | |
183 | | bool RawPacket::setPacketTimeStamp(timespec timestamp) |
184 | 0 | { |
185 | 0 | m_TimeStamp = timestamp; |
186 | 0 | return true; |
187 | 0 | } |
188 | | |
189 | | bool RawPacket::isLinkTypeValid(int linkTypeValue) |
190 | 4.00k | { |
191 | 4.00k | if ((linkTypeValue < 0 || linkTypeValue > 264) && linkTypeValue != 276) |
192 | 46 | return false; |
193 | | |
194 | 3.95k | switch (static_cast<LinkLayerType>(linkTypeValue)) |
195 | 3.95k | { |
196 | 115 | case LINKTYPE_ETHERNET: |
197 | 545 | case LINKTYPE_LINUX_SLL: |
198 | 545 | case LINKTYPE_RAW: |
199 | 547 | case LINKTYPE_DLT_RAW1: |
200 | 586 | case LINKTYPE_DLT_RAW2: |
201 | 1.21k | case LINKTYPE_NULL: |
202 | 1.21k | case LINKTYPE_AX25: |
203 | 1.22k | case LINKTYPE_IEEE802_5: |
204 | 1.22k | case LINKTYPE_ARCNET_BSD: |
205 | 1.22k | case LINKTYPE_SLIP: |
206 | 1.23k | case LINKTYPE_PPP: |
207 | 1.23k | case LINKTYPE_FDDI: |
208 | 1.23k | case LINKTYPE_PPP_HDLC: |
209 | 1.23k | case LINKTYPE_PPP_ETHER: |
210 | 1.23k | case LINKTYPE_ATM_RFC1483: |
211 | 1.34k | case LINKTYPE_C_HDLC: |
212 | 1.35k | case LINKTYPE_IEEE802_11: |
213 | 1.35k | case LINKTYPE_FRELAY: |
214 | 1.36k | case LINKTYPE_LOOP: |
215 | 1.36k | case LINKTYPE_LTALK: |
216 | 1.72k | case LINKTYPE_PFLOG: |
217 | 1.72k | case LINKTYPE_IEEE802_11_PRISM: |
218 | 1.72k | case LINKTYPE_IP_OVER_FC: |
219 | 1.73k | case LINKTYPE_SUNATM: |
220 | 1.76k | case LINKTYPE_IEEE802_11_RADIOTAP: |
221 | 1.76k | case LINKTYPE_ARCNET_LINUX: |
222 | 1.77k | case LINKTYPE_APPLE_IP_OVER_IEEE1394: |
223 | 1.77k | case LINKTYPE_MTP2_WITH_PHDR: |
224 | 1.77k | case LINKTYPE_MTP2: |
225 | 1.77k | case LINKTYPE_MTP3: |
226 | 1.77k | case LINKTYPE_SCCP: |
227 | 1.77k | case LINKTYPE_DOCSIS: |
228 | 1.78k | case LINKTYPE_LINUX_IRDA: |
229 | 1.78k | case LINKTYPE_IEEE802_11_AVS: |
230 | 1.78k | case LINKTYPE_BACNET_MS_TP: |
231 | 1.78k | case LINKTYPE_PPP_PPPD: |
232 | 1.78k | case LINKTYPE_GPRS_LLC: |
233 | 1.78k | case LINKTYPE_GPF_T: |
234 | 1.79k | case LINKTYPE_GPF_F: |
235 | 1.79k | case LINKTYPE_LINUX_LAPD: |
236 | 1.79k | case LINKTYPE_BLUETOOTH_HCI_H4: |
237 | 1.98k | case LINKTYPE_USB_LINUX: |
238 | 1.98k | case LINKTYPE_PPI: |
239 | 1.99k | case LINKTYPE_IEEE802_15_4: |
240 | 1.99k | case LINKTYPE_SITA: |
241 | 1.99k | case LINKTYPE_ERF: |
242 | 1.99k | case LINKTYPE_BLUETOOTH_HCI_H4_WITH_PHDR: |
243 | 1.99k | case LINKTYPE_AX25_KISS: |
244 | 2.00k | case LINKTYPE_LAPD: |
245 | 2.00k | case LINKTYPE_PPP_WITH_DIR: |
246 | 2.00k | case LINKTYPE_C_HDLC_WITH_DIR: |
247 | 2.01k | case LINKTYPE_FRELAY_WITH_DIR: |
248 | 2.01k | case LINKTYPE_IPMB_LINUX: |
249 | 2.01k | case LINKTYPE_IEEE802_15_4_NONASK_PHY: |
250 | 2.76k | case LINKTYPE_USB_LINUX_MMAPPED: |
251 | 2.77k | case LINKTYPE_FC_2: |
252 | 2.77k | case LINKTYPE_FC_2_WITH_FRAME_DELIMS: |
253 | 2.78k | case LINKTYPE_IPNET: |
254 | 2.79k | case LINKTYPE_CAN_SOCKETCAN: |
255 | 2.79k | case LINKTYPE_IPV4: |
256 | 2.79k | case LINKTYPE_IPV6: |
257 | 2.79k | case LINKTYPE_IEEE802_15_4_NOFCS: |
258 | 2.96k | case LINKTYPE_DBUS: |
259 | 2.96k | case LINKTYPE_DVB_CI: |
260 | 2.96k | case LINKTYPE_MUX27010: |
261 | 2.97k | case LINKTYPE_STANAG_5066_D_PDU: |
262 | 3.18k | case LINKTYPE_NFLOG: |
263 | 3.18k | case LINKTYPE_NETANALYZER: |
264 | 3.18k | case LINKTYPE_NETANALYZER_TRANSPARENT: |
265 | 3.18k | case LINKTYPE_IPOIB: |
266 | 3.19k | case LINKTYPE_MPEG_2_TS: |
267 | 3.19k | case LINKTYPE_NG40: |
268 | 3.19k | case LINKTYPE_NFC_LLCP: |
269 | 3.26k | case LINKTYPE_INFINIBAND: |
270 | 3.26k | case LINKTYPE_SCTP: |
271 | 3.29k | case LINKTYPE_USBPCAP: |
272 | 3.30k | case LINKTYPE_RTAC_SERIAL: |
273 | 3.32k | case LINKTYPE_BLUETOOTH_LE_LL: |
274 | 3.33k | case LINKTYPE_NETLINK: |
275 | 3.33k | case LINKTYPE_BLUETOOTH_LINUX_MONITOR: |
276 | 3.37k | case LINKTYPE_BLUETOOTH_BREDR_BB: |
277 | 3.48k | case LINKTYPE_BLUETOOTH_LE_LL_WITH_PHDR: |
278 | 3.48k | case LINKTYPE_PROFIBUS_DL: |
279 | 3.49k | case LINKTYPE_PKTAP: |
280 | 3.49k | case LINKTYPE_EPON: |
281 | 3.50k | case LINKTYPE_IPMI_HPM_2: |
282 | 3.50k | case LINKTYPE_ZWAVE_R1_R2: |
283 | 3.51k | case LINKTYPE_ZWAVE_R3: |
284 | 3.51k | case LINKTYPE_WATTSTOPPER_DLM: |
285 | 3.51k | case LINKTYPE_ISO_14443: |
286 | 3.94k | case LINKTYPE_LINUX_SLL2: |
287 | 3.94k | return true; |
288 | 10 | default: |
289 | 10 | return false; |
290 | 3.95k | } |
291 | 3.95k | } |
292 | | |
293 | | } // namespace pcpp |