diff options
author | George Hazan <ghazan@miranda.im> | 2019-03-02 12:32:44 +0300 |
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committer | George Hazan <ghazan@miranda.im> | 2019-03-02 12:32:55 +0300 |
commit | 931a7dc1ac0dbc7e6c1083583ced915e572f5b47 (patch) | |
tree | 9fe9a6448d44030e26aa7107ce16044ed413e0d0 /protocols/ConnectionNotify/src/netstat.cpp | |
parent | dd7d9954042254e66e3bbbec7195c6be8b1a0663 (diff) |
all protocols (even virtual ones) moved to the Protocols folder
Diffstat (limited to 'protocols/ConnectionNotify/src/netstat.cpp')
-rw-r--r-- | protocols/ConnectionNotify/src/netstat.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/protocols/ConnectionNotify/src/netstat.cpp b/protocols/ConnectionNotify/src/netstat.cpp new file mode 100644 index 0000000000..93d906cc4f --- /dev/null +++ b/protocols/ConnectionNotify/src/netstat.cpp @@ -0,0 +1,148 @@ +#include "stdafx.h" + +struct CONNECTION *GetConnectionsTable() +{ + // Declare and initialize variables + MIB_TCPTABLE_OWNER_PID *pTcpTable = (MIB_TCPTABLE_OWNER_PID *)MALLOC(sizeof(MIB_TCPTABLE_OWNER_PID)); + if (pTcpTable == nullptr) { + //printf("Error allocating memory!\n"); + return nullptr; + } + + DWORD dwSize = sizeof(MIB_TCPTABLE_OWNER_PID); + // Make an initial call to GetTcpTable to + // get the necessary size into the dwSize variable + DWORD dwRetVal = GetExtendedTcpTable(pTcpTable, &dwSize, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0); + if (dwRetVal == ERROR_INSUFFICIENT_BUFFER) { + FREE(pTcpTable); + pTcpTable = (MIB_TCPTABLE_OWNER_PID *)MALLOC(dwSize); + if (pTcpTable == nullptr) { + //printf("Error allocating memory\n"); + return nullptr; + } + } + + // Make a second call to GetTcpTable to get + // the actual data we require + if ((dwRetVal = GetExtendedTcpTable(pTcpTable, &dwSize, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) != NO_ERROR) { + //printf("\tGetTcpTable() failed with return value %d\n", dwRetVal); + FREE(pTcpTable); + return nullptr; + } + //printf("\tLocal Addr\tLocal Port\tRemote Addr\tRemote Port\n"); + //printf("Number of entries: %d\n", (int) pTcpTable->dwNumEntries); + struct in_addr IpAddr; + struct CONNECTION *connHead = nullptr; + for (DWORD i = 0; i < pTcpTable->dwNumEntries; i++) { + struct CONNECTION *newConn = (struct CONNECTION*)mir_alloc(sizeof(struct CONNECTION)); + memset(newConn, 0, sizeof(struct CONNECTION)); + //pid2name(pTcpTable->table[i].dwOwningPid,&newConn->Pname); + + if (pTcpTable->table[i].dwLocalAddr) { + IpAddr.S_un.S_addr = (ULONG)pTcpTable->table[i].dwLocalAddr; + //_snprintf(newConn->strIntIp,_countof(newConn->strIntIp),"%d.%d.%d.%d",IpAddr.S_un.S_un_b.s_b1,IpAddr.S_un.S_un_b.s_b2,IpAddr.S_un.S_un_b.s_b3,IpAddr.S_un.S_un_b.s_b4); + wchar_t *strIntIp = mir_a2u(inet_ntoa(IpAddr)); + wcsncpy(newConn->strIntIp, strIntIp, _countof(newConn->strIntIp) - 1); + mir_free(strIntIp); + } + + if (pTcpTable->table[i].dwRemoteAddr) { + IpAddr.S_un.S_addr = (u_long)pTcpTable->table[i].dwRemoteAddr; + wchar_t *strExtIp = mir_a2u(inet_ntoa(IpAddr)); + wcsncpy(newConn->strExtIp, strExtIp, _countof(newConn->strExtIp) - 1); + mir_free(strExtIp); + } + newConn->state = pTcpTable->table[i].dwState; + newConn->intIntPort = ntohs((u_short)pTcpTable->table[i].dwLocalPort); + newConn->intExtPort = ntohs((u_short)pTcpTable->table[i].dwRemotePort); + newConn->Pid = pTcpTable->table[i].dwOwningPid; + switch (pTcpTable->table[i].dwState) { + case MIB_TCP_STATE_CLOSED: + //printf("CLOSED\n"); + break; + case MIB_TCP_STATE_LISTEN: + //printf("LISTEN\n"); + break; + case MIB_TCP_STATE_SYN_SENT: + //printf("SYN-SENT\n"); + break; + case MIB_TCP_STATE_SYN_RCVD: + //printf("SYN-RECEIVED\n"); + break; + case MIB_TCP_STATE_ESTAB: + //printf("ESTABLISHED\n"); + break; + case MIB_TCP_STATE_FIN_WAIT1: + //printf("FIN-WAIT-1\n"); + break; + case MIB_TCP_STATE_FIN_WAIT2: + //printf("FIN-WAIT-2 \n"); + break; + case MIB_TCP_STATE_CLOSE_WAIT: + //printf("CLOSE-WAIT\n"); + break; + case MIB_TCP_STATE_CLOSING: + //printf("CLOSING\n"); + break; + case MIB_TCP_STATE_LAST_ACK: + //printf("LAST-ACK\n"); + break; + case MIB_TCP_STATE_TIME_WAIT: + //printf("TIME-WAIT\n"); + break; + case MIB_TCP_STATE_DELETE_TCB: + //printf("DELETE-TCB\n"); + break; + default: + //printf("UNKNOWN dwState value\n"); + break; + } + newConn->next = connHead; + connHead = newConn; + //printf("TCP[%d]:%s%15d%20s%15d\n", i, szLocalAddr,ntohs((u_short)pTcpTable->table[i].dwLocalPort), szRemoteAddr,ntohs((u_short)pTcpTable->table[i].dwRemotePort)); + //printf("\tTCP[%d] Local Addr: %s\n", i, szLocalAddr); + // printf("\tTCP[%d] Local Port: %d \n", i, ntohs((u_short)pTcpTable->table[i].dwLocalPort)); + //printf("\tTCP[%d] Remote Addr: %s\n", i, szRemoteAddr); + //printf("\tTCP[%d] Remote Port: %d\n", i, ntohs((u_short)pTcpTable->table[i].dwRemotePort)); + } + FREE(pTcpTable); + + return connHead; +} + +void deleteConnectionsTable(struct CONNECTION *head) +{ + struct CONNECTION *cur = head, *del; + + while (cur != nullptr) { + del = cur; + cur = cur->next; + mir_free(del); + head = cur; + } + head = nullptr; +} + +struct CONNECTION *searchConnection(struct CONNECTION *head, wchar_t *intIp, wchar_t *extIp, int intPort, int extPort, int state) +{ + for (struct CONNECTION *cur = head; cur != nullptr; cur = cur->next) { + if (mir_wstrcmp(cur->strIntIp, intIp) == 0 && + mir_wstrcmp(cur->strExtIp, extIp) == 0 && + cur->intExtPort == extPort && + cur->intIntPort == intPort && + cur->state == state) + return cur; + } + return nullptr; +} + +void getDnsName(wchar_t *strIp, wchar_t *strHostName, size_t len) +{ + in_addr iaHost; + + char *szStrIP = mir_u2a(strIp); + iaHost.s_addr = inet_addr(szStrIP); + mir_free(szStrIP); + hostent *h = gethostbyaddr((char *)&iaHost, sizeof(struct in_addr), AF_INET); + wcsncpy_s(strHostName, len, (h == nullptr) ? strIp : _A2T(h->h_name), _TRUNCATE); +} |