summaryrefslogtreecommitdiff
path: root/openvpn/tap-win32/error.c
diff options
context:
space:
mode:
Diffstat (limited to 'openvpn/tap-win32/error.c')
-rwxr-xr-xopenvpn/tap-win32/error.c382
1 files changed, 0 insertions, 382 deletions
diff --git a/openvpn/tap-win32/error.c b/openvpn/tap-win32/error.c
deleted file mode 100755
index 3e52eb0..0000000
--- a/openvpn/tap-win32/error.c
+++ /dev/null
@@ -1,382 +0,0 @@
-/*
- * TAP-Win32 -- A kernel driver to provide virtual tap device functionality
- * on Windows. Originally derived from the CIPE-Win32
- * project by Damion K. Wilson, with extensive modifications by
- * James Yonan.
- *
- * All source code which derives from the CIPE-Win32 project is
- * Copyright (C) Damion K. Wilson, 2003, and is released under the
- * GPL version 2 (see below).
- *
- * All other source code is Copyright (C) 2002-2005 OpenVPN Solutions LLC,
- * and is released under the GPL version 2 (see below).
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program (see the file COPYING included with this
- * distribution); if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-//-----------------
-// DEBUGGING OUTPUT
-//-----------------
-
-const char *g_LastErrorFilename;
-int g_LastErrorLineNumber;
-
-#if DBG
-
-DebugOutput g_Debug;
-
-BOOLEAN
-NewlineExists (const char *str, int len)
-{
- while (len-- > 0)
- {
- const char c = *str++;
- if (c == '\n')
- return TRUE;
- else if (c == '\0')
- break;
- }
- return FALSE;
-}
-
-VOID
-MyDebugInit (unsigned int bufsiz)
-{
- NdisZeroMemory (&g_Debug, sizeof (g_Debug));
- g_Debug.text = (char *) MemAlloc (bufsiz, FALSE);
- if (g_Debug.text)
- g_Debug.capacity = bufsiz;
-}
-
-VOID
-MyDebugFree ()
-{
- if (g_Debug.text)
- MemFree (g_Debug.text, g_Debug.capacity);
- NdisZeroMemory (&g_Debug, sizeof (g_Debug));
-}
-
-VOID
-MyDebugPrint (const unsigned char* format, ...)
-{
- if (g_Debug.text && g_Debug.capacity > 0 && CAN_WE_PRINT)
- {
- BOOLEAN owned;
- ACQUIRE_MUTEX_ADAPTIVE (&g_Debug.lock, owned);
- if (owned)
- {
- const int remaining = (int)g_Debug.capacity - (int)g_Debug.out;
-
- if (remaining > 0)
- {
- va_list args;
- NTSTATUS status;
- char *end;
-
- va_start (args, format);
- status = RtlStringCchVPrintfExA (g_Debug.text + g_Debug.out,
- remaining,
- &end,
- NULL,
- STRSAFE_NO_TRUNCATION | STRSAFE_IGNORE_NULLS,
- format,
- args);
- va_end (args);
-
- if (status == STATUS_SUCCESS)
- g_Debug.out = end - g_Debug.text;
- else
- g_Debug.error = TRUE;
- }
- else
- g_Debug.error = TRUE;
-
- RELEASE_MUTEX (&g_Debug.lock);
- }
- else
- g_Debug.error = TRUE;
- }
-}
-
-BOOLEAN
-GetDebugLine (char *buf, const int len)
-{
- static const char *truncated = "[OUTPUT TRUNCATED]\n";
- BOOLEAN ret = FALSE;
-
- NdisZeroMemory (buf, len);
-
- if (g_Debug.text && g_Debug.capacity > 0)
- {
- BOOLEAN owned;
- ACQUIRE_MUTEX_ADAPTIVE (&g_Debug.lock, owned);
- if (owned)
- {
- int i = 0;
-
- if (g_Debug.error || NewlineExists (g_Debug.text + g_Debug.in, (int)g_Debug.out - (int)g_Debug.in))
- {
- while (i < (len - 1) && g_Debug.in < g_Debug.out)
- {
- const char c = g_Debug.text[g_Debug.in++];
- if (c == '\n')
- break;
- buf[i++] = c;
- }
- if (i < len)
- buf[i] = '\0';
- }
-
- if (!i)
- {
- if (g_Debug.in == g_Debug.out)
- {
- g_Debug.in = g_Debug.out = 0;
- if (g_Debug.error)
- {
- const unsigned int tlen = strlen (truncated);
- if (tlen < g_Debug.capacity)
- {
- NdisMoveMemory (g_Debug.text, truncated, tlen+1);
- g_Debug.out = tlen;
- }
- g_Debug.error = FALSE;
- }
- }
- }
- else
- ret = TRUE;
-
- RELEASE_MUTEX (&g_Debug.lock);
- }
- }
- return ret;
-}
-
-VOID
-MyAssert (const unsigned char *file, int line)
-{
- DEBUGP (("MYASSERT failed %s/%d\n", file, line));
- KeBugCheckEx (0x0F00BABA,
- (ULONG_PTR) line,
- (ULONG_PTR) 0,
- (ULONG_PTR) 0,
- (ULONG_PTR) 0);
-}
-
-VOID
-PrMac (const MACADDR mac)
-{
- DEBUGP (("%x:%x:%x:%x:%x:%x",
- mac[0], mac[1], mac[2],
- mac[3], mac[4], mac[5]));
-}
-
-VOID
-PrIP (IPADDR ip_addr)
-{
- const unsigned char *ip = (const unsigned char *) &ip_addr;
-
- DEBUGP (("%d.%d.%d.%d",
- ip[0], ip[1], ip[2], ip[3]));
-}
-
-const char *
-PrIPProto (int proto)
-{
- switch (proto)
- {
- case IPPROTO_UDP:
- return "UDP";
- case IPPROTO_TCP:
- return "TCP";
- case IPPROTO_ICMP:
- return "ICMP";
- case IPPROTO_IGMP:
- return "IGMP";
- default:
- return "???";
- }
-}
-
-VOID
-DumpARP (const char *prefix, const ARP_PACKET *arp)
-{
- DEBUGP (("%s ARP src=", prefix));
- PrMac (arp->m_MAC_Source);
- DEBUGP ((" dest="));
- PrMac (arp->m_MAC_Destination);
- DEBUGP ((" OP=0x%04x",
- (int)ntohs(arp->m_ARP_Operation)));
- DEBUGP ((" M=0x%04x(%d)",
- (int)ntohs(arp->m_MAC_AddressType),
- (int)arp->m_MAC_AddressSize));
- DEBUGP ((" P=0x%04x(%d)",
- (int)ntohs(arp->m_PROTO_AddressType),
- (int)arp->m_PROTO_AddressSize));
-
- DEBUGP ((" MacSrc="));
- PrMac (arp->m_ARP_MAC_Source);
- DEBUGP ((" MacDest="));
- PrMac (arp->m_ARP_MAC_Destination);
-
- DEBUGP ((" IPSrc="));
- PrIP (arp->m_ARP_IP_Source);
- DEBUGP ((" IPDest="));
- PrIP (arp->m_ARP_IP_Destination);
-
- DEBUGP (("\n"));
-}
-
-struct ethpayload {
- ETH_HEADER eth;
- UCHAR payload[DEFAULT_PACKET_LOOKAHEAD];
-};
-
-VOID
-DumpPacket2 (const char *prefix,
- const ETH_HEADER *eth,
- const unsigned char *data,
- unsigned int len)
-{
- struct ethpayload *ep = (struct ethpayload *) MemAlloc (sizeof (struct ethpayload), TRUE);
- if (ep)
- {
- if (len > DEFAULT_PACKET_LOOKAHEAD)
- len = DEFAULT_PACKET_LOOKAHEAD;
- ep->eth = *eth;
- NdisMoveMemory (ep->payload, data, len);
- DumpPacket (prefix, (unsigned char *) ep, sizeof (ETH_HEADER) + len);
- MemFree (ep, sizeof (struct ethpayload));
- }
-}
-
-VOID
-DumpPacket (const char *prefix,
- const unsigned char *data,
- unsigned int len)
-{
- const ETH_HEADER *eth = (const ETH_HEADER *) data;
- const IPHDR *ip = (const IPHDR *) (data + sizeof (ETH_HEADER));
-
- if (len < sizeof (ETH_HEADER))
- {
- DEBUGP (("%s TRUNCATED PACKET LEN=%d\n", prefix, len));
- return;
- }
-
- // ARP Packet?
- if (len >= sizeof (ARP_PACKET) && eth->proto == htons (ETH_P_ARP))
- {
- DumpARP (prefix, (const ARP_PACKET *) data);
- return;
- }
-
- // IPv4 packet?
- if (len >= (sizeof (IPHDR) + sizeof (ETH_HEADER))
- && eth->proto == htons (ETH_P_IP)
- && IPH_GET_VER (ip->version_len) == 4)
- {
- const int hlen = IPH_GET_LEN (ip->version_len);
- const int blen = len - sizeof (ETH_HEADER);
- BOOLEAN did = FALSE;
-
- DEBUGP (("%s IPv4 %s[%d]", prefix, PrIPProto (ip->protocol), len));
-
- if (!(ntohs (ip->tot_len) == blen && hlen <= blen))
- {
- DEBUGP ((" XXX"));
- return;
- }
-
- // TCP packet?
- if (ip->protocol == IPPROTO_TCP
- && blen - hlen >= (sizeof (TCPHDR)))
- {
- const TCPHDR *tcp = (TCPHDR *) (data + sizeof (ETH_HEADER) + hlen);
- DEBUGP ((" "));
- PrIP (ip->saddr);
- DEBUGP ((":%d", ntohs (tcp->source)));
- DEBUGP ((" -> "));
- PrIP (ip->daddr);
- DEBUGP ((":%d", ntohs (tcp->dest)));
- did = TRUE;
- }
-
- // UDP packet?
- else if ((ntohs (ip->frag_off) & IP_OFFMASK) == 0
- && ip->protocol == IPPROTO_UDP
- && blen - hlen >= (sizeof (UDPHDR)))
- {
- const UDPHDR *udp = (UDPHDR *) (data + sizeof (ETH_HEADER) + hlen);
-
- // DHCP packet?
- if ((udp->dest == htons (BOOTPC_PORT) || udp->dest == htons (BOOTPS_PORT))
- && blen - hlen >= (sizeof (UDPHDR) + sizeof (DHCP)))
- {
- const DHCP *dhcp = (DHCP *) (data
- + hlen
- + sizeof (ETH_HEADER)
- + sizeof (UDPHDR));
-
- int optlen = len
- - sizeof (ETH_HEADER)
- - hlen
- - sizeof (UDPHDR)
- - sizeof (DHCP);
-
- if (optlen < 0)
- optlen = 0;
-
- DumpDHCP (eth, ip, udp, dhcp, optlen);
- did = TRUE;
- }
-
- if (!did)
- {
- DEBUGP ((" "));
- PrIP (ip->saddr);
- DEBUGP ((":%d", ntohs (udp->source)));
- DEBUGP ((" -> "));
- PrIP (ip->daddr);
- DEBUGP ((":%d", ntohs (udp->dest)));
- did = TRUE;
- }
- }
-
- if (!did)
- {
- DEBUGP ((" ipproto=%d ", ip->protocol));
- PrIP (ip->saddr);
- DEBUGP ((" -> "));
- PrIP (ip->daddr);
- }
-
- DEBUGP (("\n"));
- return;
- }
-
- {
- DEBUGP (("%s ??? src=", prefix));
- PrMac (eth->src);
- DEBUGP ((" dest="));
- PrMac (eth->dest);
- DEBUGP ((" proto=0x%04x len=%d\n",
- (int) ntohs(eth->proto),
- len));
- }
-}
-
-#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-31 14:19:43 +0000