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[stg.git] / include / stg / raw_ip_packet.h

diff --git a/include/stg/raw_ip_packet.h b/include/stg/raw_ip_packet.h
index 16e434025a9d76d9d77637b1995b4cf97f93dcea..b94faf868b40451484bd4b5c9b1e03910544a82f 100644 (file)
--- a/include/stg/raw_ip_packet.h
+++ b/include/stg/raw_ip_packet.h
@@ -10,9 +10,6 @@
 
 #include <cstring>
 
-#include "const.h"
-#include "common.h"
-
 #define IPv4 (2)
 
 enum { pcktSize = 68 }; //60(max) ip + 8 udp or tcp (part of tcp or udp header to ports)
@@ -26,13 +23,6 @@ struct RAW_PACKET
     memset(rawPacket.pckt, 0, pcktSize);
     }
 
-    RAW_PACKET(const RAW_PACKET & rp)
-        : rawPacket(),
-          dataLen(rp.dataLen)
-    {
-    memcpy(rawPacket.pckt, rp.rawPacket.pckt, pcktSize);
-    }
-
 uint16_t    GetIPVersion() const;
 uint8_t     GetHeaderLen() const;
 uint8_t     GetProto() const;
@@ -43,7 +33,7 @@ uint16_t    GetSrcPort() const;
 uint16_t    GetDstPort() const;
 
 bool        operator==(const RAW_PACKET & rvalue) const;
-bool        operator!=(const RAW_PACKET & rvalue) const { return !(*this == rvalue); };
+bool        operator!=(const RAW_PACKET & rvalue) const { return !(*this == rvalue); }
 bool        operator<(const RAW_PACKET & rvalue) const;
 
 union
@@ -55,7 +45,7 @@ union
         // Only for packets without options field
         uint16_t    sPort;
         uint16_t    dPort;
-        } header __attribute__ ((packed));
+        } header;
     } rawPacket;
 int32_t dataLen; // IP packet length. Set to -1 to use length field from the header
 };
@@ -96,14 +86,16 @@ inline uint16_t RAW_PACKET::GetSrcPort() const
 {
 if (rawPacket.header.ipHeader.ip_p == 1) // for icmp proto return port 0
     return 0;
-return ntohs(*((uint16_t*)(rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4)));
+const uint8_t * pos = rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4;
+return ntohs(*reinterpret_cast<const uint16_t *>(pos));
 }
 //-----------------------------------------------------------------------------
 inline uint16_t RAW_PACKET::GetDstPort() const
 {
 if (rawPacket.header.ipHeader.ip_p == 1) // for icmp proto return port 0
     return 0;
-return ntohs(*((uint16_t*)(rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4 + 2)));
+const uint8_t * pos = rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4 + 2;
+return ntohs(*reinterpret_cast<const uint16_t *>(pos));
 }
 //-----------------------------------------------------------------------------
 inline bool RAW_PACKET::operator==(const RAW_PACKET & rvalue) const
@@ -116,12 +108,14 @@ if (rawPacket.header.ipHeader.ip_dst.s_addr != rvalue.rawPacket.header.ipHeader.
 
 if (rawPacket.header.ipHeader.ip_p != 1 && rvalue.rawPacket.header.ipHeader.ip_p != 1)
     {
-    if (*((uint16_t *)(rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4)) !=
-        *((uint16_t *)(rvalue.rawPacket.pckt + rvalue.rawPacket.header.ipHeader.ip_hl * 4)))
+    const uint8_t * pos = rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4;
+    const uint8_t * rpos = rvalue.rawPacket.pckt + rvalue.rawPacket.header.ipHeader.ip_hl * 4;
+    if (*reinterpret_cast<const uint16_t *>(pos) != *reinterpret_cast<const uint16_t *>(rpos))
         return false;
 
-    if (*((uint16_t *)(rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4 + 2)) !=
-        *((uint16_t *)(rvalue.rawPacket.pckt + rvalue.rawPacket.header.ipHeader.ip_hl * 4 + 2)))
+    pos += 2;
+    rpos += 2;
+    if (*reinterpret_cast<const uint16_t *>(pos) != *reinterpret_cast<const uint16_t *>(rpos))
         return false;
     }
 
@@ -145,18 +139,18 @@ if (rawPacket.header.ipHeader.ip_dst.s_addr > rvalue.rawPacket.header.ipHeader.i
 
 if (rawPacket.header.ipHeader.ip_p != 1 && rvalue.rawPacket.header.ipHeader.ip_p != 1)
     {
-    if (*((uint16_t *)(rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4)) <
-        *((uint16_t *)(rvalue.rawPacket.pckt + rvalue.rawPacket.header.ipHeader.ip_hl * 4))) 
+    const uint8_t * pos = rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4;
+    const uint8_t * rpos = rvalue.rawPacket.pckt + rvalue.rawPacket.header.ipHeader.ip_hl * 4;
+    if (*reinterpret_cast<const uint16_t *>(pos) < *reinterpret_cast<const uint16_t *>(rpos))
         return true;
-    if (*((uint16_t *)(rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4)) >
-        *((uint16_t *)(rvalue.rawPacket.pckt + rvalue.rawPacket.header.ipHeader.ip_hl * 4))) 
+    if (*reinterpret_cast<const uint16_t *>(pos) > *reinterpret_cast<const uint16_t *>(rpos))
         return false;
 
-    if (*((uint16_t *)(rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4 + 2)) <
-        *((uint16_t *)(rvalue.rawPacket.pckt + rvalue.rawPacket.header.ipHeader.ip_hl * 4 + 2))) 
+    pos += 2;
+    rpos += 2;
+    if (*reinterpret_cast<const uint16_t *>(pos) < *reinterpret_cast<const uint16_t *>(rpos))
         return true;
-    if (*((uint16_t *)(rawPacket.pckt + rawPacket.header.ipHeader.ip_hl * 4 + 2)) >
-        *((uint16_t *)(rvalue.rawPacket.pckt + rvalue.rawPacket.header.ipHeader.ip_hl * 4 + 2))) 
+    if (*reinterpret_cast<const uint16_t *>(pos) > *reinterpret_cast<const uint16_t *>(rpos))
         return false;
     }