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GetTableInt
UINT GetTableInt(char *name) { char *str; // Validate arguments if (name == NULL) { return 0; } str = GetTableStr(name); return ToInt(str); }
/* Load the integer value from the table*/
Load the integer value from the table
GetTableUniStr
wchar_t *GetTableUniStr(char *name) { TABLE *t; // Validate arguments if (name == NULL) { // Debug("%s: ************\n", name); return L""; } // Search t = FindTable(name); if (t == NULL) { //Debug("%s: UNICODE STRING NOT FOUND\n", name); return L""; } return t->unistr; }
/* Load a Unicode string from the table*/
Load a Unicode string from the table
GetTableStr
char *GetTableStr(char *name) { TABLE *t; // Validate arguments if (name == NULL) { return ""; } #ifdef OS_WIN32 if (StrCmpi(name, "DEFAULT_FONT") == 0) { if (_II("LANG") == 2) { UINT os_type = GetOsType(); if (OS_IS_WINDOWS_9X(os_type) || GET_KETA(os_type, 100) <= 4) { // Use the SimSun font in Windows 9x, Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 return "SimSun"; } } } #endif // OS_WIN32 // Search t = FindTable(name); if (t == NULL) { //Debug("%s: ANSI STRING NOT FOUND\n", name); return ""; } return t->str; }
/* Load the string from the table*/
Load the string from the table
FindTable
TABLE *FindTable(char *name) { TABLE *t, tt; // Validate arguments if (name == NULL || TableList == NULL) { return NULL; } tt.name = CopyStr(name); t = Search(TableList, &tt); Free(tt.name); return t; }
/* Search the table*/
Search the table
CmpTableName
int CmpTableName(void *p1, void *p2) { TABLE *t1, *t2; if (p1 == NULL || p2 == NULL) { return 0; } t1 = *(TABLE **)p1; t2 = *(TABLE **)p2; if (t1 == NULL || t2 == NULL) { return 0; } return StrCmpi(t1->name, t2->name); }
/* A function that compares the table name*/
A function that compares the table name
FreeTable
void FreeTable() { UINT i, num; TABLE **tables; if (TableList == NULL) { return; } num = LIST_NUM(TableList); tables = ToArray(TableList); for (i = 0;i < num;i++) { TABLE *t = tables[i]; Free(t->name); Free(t->str); Free(t->unistr); Free(t); } ReleaseList(TableList); TableList = NULL; Free(tables); Zero(old_table_name, sizeof(old_table_name)); }
/* Release the table*/
Release the table
GetDynValueOrDefault
UINT64 GetDynValueOrDefault(char *name, UINT64 default_value, UINT64 min_value, UINT64 max_value) { UINT64 ret = GetDynValue(name); if (ret == 0) { return default_value; } if (ret < min_value) { ret = min_value; } if (ret > max_value) { ret = max_value; } return ret; }
/* Get a value from a dynamic value list (Returns a default value if the value is not found)*/
Get a value from a dynamic value list (Returns a default value if the value is not found)
GetDynValueOrDefaultSafe
UINT64 GetDynValueOrDefaultSafe(char *name, UINT64 default_value) { return GetDynValueOrDefault(name, default_value, default_value / (UINT64)5, default_value * (UINT64)50); }
/* The value is limited to 1/5 to 50 times of the default value for safety*/
The value is limited to 1/5 to 50 times of the default value for safety
GetDynValue
UINT64 GetDynValue(char *name) { UINT64 ret = 0; // Validate arguments if (name == NULL) { return 0; } if (g_dyn_value_list == NULL) { return 0; } LockList(g_dyn_value_list); { UINT i; for (i = 0; i < LIST_NUM(g_dyn_value_list);i++) { DYN_VALUE *vv = LIST_DATA(g_dyn_value_list, i); if (StrCmpi(vv->Name, name) == 0) { ret = vv->Value; break; } } } UnlockList(g_dyn_value_list); return ret; }
/* Get a value from a dynamic value list*/
Get a value from a dynamic value list
ExtractAndApplyDynList
void ExtractAndApplyDynList(PACK *p) { BUF *b; // Validate arguments if (p == NULL) { return; } b = PackGetBuf(p, "DynList"); if (b == NULL) { return; } AddDynList(b); FreeBuf(b); }
/* Apply by extracting dynamic value list from the specified PACK*/
Apply by extracting dynamic value list from the specified PACK
AddDynList
void AddDynList(BUF *b) { PACK *p; TOKEN_LIST *t; // Validate arguments if (b == NULL) { return; } SeekBufToBegin(b); p = BufToPack(b); if (p == NULL) { return; } t = GetPackElementNames(p); if (t != NULL) { UINT i; for (i = 0;i < t->NumTokens;i++) { char *name = t->Token[i]; UINT64 v = PackGetInt64(p, name); SetDynListValue(name, v); } FreeToken(t); } FreePack(p); }
/* Insert the data to the dynamic value list*/
Insert the data to the dynamic value list
InitDynList
void InitDynList() { g_dyn_value_list = NewList(NULL); }
/* Initialization of the dynamic value list*/
Initialization of the dynamic value list
FreeDynList
void FreeDynList() { UINT i; if (g_dyn_value_list == NULL) { return; } for (i = 0;i < LIST_NUM(g_dyn_value_list);i++) { DYN_VALUE *d = LIST_DATA(g_dyn_value_list, i); Free(d); } ReleaseList(g_dyn_value_list); g_dyn_value_list = NULL; }
/* Solution of dynamic value list*/
Solution of dynamic value list
DisableRDUPServerGlobally
void DisableRDUPServerGlobally() { g_no_rudp_server = true; }
/* Disable NAT-T function globally*/
Disable NAT-T function globally
GetCurrentTimezone
int GetCurrentTimezone() { int ret = 0; #ifdef OS_WIN32 ret = GetCurrentTimezoneWin32(); #else // OS_WIN32 { #if defined(UNIX_MACOS) || defined(UNIX_BSD) struct timeval tv; struct timezone tz; Zero(&tv, sizeof(tv)); Zero(&tz, sizeof(tz)); gettimeofday(&tv, &tz); ret = tz.tz_minuteswest; #else // defined(UNIX_MACOS) || defined(UNIX_BSD) tzset(); ret = timezone / 60; #endif // defined(UNIX_MACOS) || defined(UNIX_BSD) } #endif // OS_WIN32 return ret; }
/* Get the current time zone*/
Get the current time zone
IsUseDnsProxy
bool IsUseDnsProxy() { return false; }
/* Flag of whether to use the DNS proxy*/
Flag of whether to use the DNS proxy
IsUseAlternativeHostname
bool IsUseAlternativeHostname() { return false; }
/* Flag of whether to use an alternate host name*/
Flag of whether to use an alternate host name
GetCurrentTimezoneWin32
int GetCurrentTimezoneWin32() { TIME_ZONE_INFORMATION info; Zero(&info, sizeof(info)); if (GetTimeZoneInformation(&info) == TIME_ZONE_ID_INVALID) { return 0; } return info.Bias; }
/* Get the current time zone (Win32)*/
Get the current time zone (Win32)
SetCurrentDDnsFqdn
void SetCurrentDDnsFqdn(char *name) { // Validate arguments if (name == NULL) { return; } Lock(current_fqdn_lock); { StrCpy(current_fqdn, sizeof(current_fqdn), name); } Unlock(current_fqdn_lock); }
/* Set the current FQDN of the DDNS*/
Set the current FQDN of the DDNS
GetCurrentDDnsFqdnHash
UINT GetCurrentDDnsFqdnHash() { UINT ret; UCHAR hash[SHA1_SIZE]; char name[MAX_SIZE]; ClearStr(name, sizeof(name)); GetCurrentDDnsFqdn(name, sizeof(name)); Trim(name); StrUpper(name); Sha1(hash, name, StrLen(name)); Copy(&ret, hash, sizeof(UINT)); return ret; }
/* Get the current DDNS FQDN hash*/
Get the current DDNS FQDN hash
GetCurrentDDnsFqdn
void GetCurrentDDnsFqdn(char *name, UINT size) { ClearStr(name, size); // Validate arguments if (name == NULL || size == 0) { return; } Lock(current_fqdn_lock); { StrCpy(name, size, current_fqdn); } Unlock(current_fqdn_lock); Trim(name); }
/* Get the current DDNS FQDN*/
Get the current DDNS FQDN
IsMacAddressLocalFast
bool IsMacAddressLocalFast(void *addr) { bool ret = false; // Validate arguments if (addr == NULL) { return false; } Lock(local_mac_list_lock); { if (local_mac_list == NULL) { // First enumeration RefreshLocalMacAddressList(); } ret = IsMacAddressLocalInner(local_mac_list, addr); } Unlock(local_mac_list_lock); return ret; }
/* Check whether the specified MAC address exists on the local host (high speed)*/
Check whether the specified MAC address exists on the local host (high speed)
RefreshLocalMacAddressList
void RefreshLocalMacAddressList() { Lock(local_mac_list_lock); { if (local_mac_list != NULL) { FreeNicList(local_mac_list); } local_mac_list = GetNicList(); } Unlock(local_mac_list_lock); }
/* Update the local MAC address list*/
Update the local MAC address list
IsMacAddressLocalInner
bool IsMacAddressLocalInner(LIST *o, void *addr) { bool ret = false; UINT i; // Validate arguments if (o == NULL || addr == NULL) { return false; } for (i = 0;i < LIST_NUM(o);i++) { NIC_ENTRY *e = LIST_DATA(o, i); if (Cmp(e->MacAddress, addr, 6) == 0) { ret = true; break; } } return ret; }
/* Check whether the specified MAC address exists on the local host*/
Check whether the specified MAC address exists on the local host
GetNicList
LIST *GetNicList() { LIST *o = NULL; #ifdef OS_WIN32 o = Win32GetNicList(); if (o != NULL) { return o; } #endif // OS_WIN32 return NewListFast(NULL); }
/* Get a list of the NICs on the computer*/
Get a list of the NICs on the computer
FreeNicList
void FreeNicList(LIST *o) { UINT i; // Validate arguments if (o == NULL) { return; } for (i = 0;i < LIST_NUM(o);i++) { NIC_ENTRY *e = LIST_DATA(o, i); Free(e); } ReleaseList(o); }
/* Release the NIC list*/
Release the NIC list
DetectFletsType
UINT DetectFletsType() { UINT ret = 0; //LIST *o = GetHostIPAddressList(); // UINT i; /* for (i = 0;i < LIST_NUM(o);i++) { IP *ip = LIST_DATA(o, i); if (IsIP6(ip)) { char ip_str[MAX_SIZE]; IPToStr(ip_str, sizeof(ip_str), ip); if (IsInSameNetwork6ByStr(ip_str, "2001:c90::", "/32")) { // NTT East B-FLETs ret |= FLETS_DETECT_TYPE_EAST_BFLETS_PRIVATE; } if (IsInSameNetwork6ByStr(ip_str, "2408:200::", "/23")) { // Wrapping in network of NTT East NGN ret |= FLETS_DETECT_TYPE_EAST_NGN_PRIVATE; } if (IsInSameNetwork6ByStr(ip_str, "2001:a200::", "/23")) { // Wrapping in network of NTT West NGN ret |= FLETS_DETECT_TYPE_WEST_NGN_PRIVATE; } } } FreeHostIPAddressList(o); */ return ret; }
/* If the computer is connected to the FLET'S line currently, detect the type of the line (obsolete)*/
If the computer is connected to the FLET'S line currently, detect the type of the line (obsolete)
ListenRUDP
SOCK *ListenRUDP(char *svc_name, RUDP_STACK_INTERRUPTS_PROC *proc_interrupts, RUDP_STACK_RPC_RECV_PROC *proc_rpc_recv, void *param, UINT port, bool no_natt_register, bool over_dns_mode) { return ListenRUDPEx(svc_name, proc_interrupts, proc_rpc_recv, param, port, no_natt_register, over_dns_mode, NULL, 0, NULL); }
/* Start a socket for R-UDP Listening*/
Start a socket for R-UDP Listening
RUDPProcessAck
void RUDPProcessAck(RUDP_STACK *r, RUDP_SESSION *se, UINT64 seq) { RUDP_SEGMENT t; RUDP_SEGMENT *s; // Validate arguments if (r == NULL || se == NULL || seq == 0) { return; } Zero(&t, sizeof(t)); t.SeqNo = seq; s = Search(se->SendSegmentList, &t); if (s == NULL) { return; } Delete(se->SendSegmentList, s); Free(s); }
/* Process the incoming ACK*/
Process the incoming ACK
RUDPGetCurrentSendingMinSeqNo
UINT64 RUDPGetCurrentSendingMinSeqNo(RUDP_SESSION *se) { RUDP_SEGMENT *s; // Validate arguments if (se == NULL) { return 0; } if (LIST_NUM(se->SendSegmentList) == 0) { return 0; } s = LIST_DATA(se->SendSegmentList, 0); return s->SeqNo; }
/* Get the minimum sequence number which is trying to send*/
Get the minimum sequence number which is trying to send
RUDPGetCurrentSendingMaxSeqNo
UINT64 RUDPGetCurrentSendingMaxSeqNo(RUDP_SESSION *se) { RUDP_SEGMENT *s; // Validate arguments if (se == NULL) { return 0; } if (LIST_NUM(se->SendSegmentList) == 0) { return 0; } s = LIST_DATA(se->SendSegmentList, (LIST_NUM(se->SendSegmentList) - 1)); return s->SeqNo; }
/* Get the maximum sequence number which is trying to send*/
Get the maximum sequence number which is trying to send
RUDPSendSegment
void RUDPSendSegment(RUDP_STACK *r, RUDP_SESSION *se, void *data, UINT size) { RUDP_SEGMENT *s; // Validate arguments if (r == NULL || se == NULL || (size != 0 && data == NULL) || (size > RUDP_MAX_SEGMENT_SIZE)) { return; } s = ZeroMalloc(sizeof(RUDP_SEGMENT)); Copy(s->Data, data, size); s->Size = size; s->SeqNo = se->NextSendSeqNo++; Insert(se->SendSegmentList, s); }
/* R-UDP segment transmission (only put into the queue)*/
R-UDP segment transmission (only put into the queue)
RUDPSearchSession
RUDP_SESSION *RUDPSearchSession(RUDP_STACK *r, IP *my_ip, UINT my_port, IP *your_ip, UINT your_port) { RUDP_SESSION t; RUDP_SESSION *se; // Validate arguments if (r == NULL || my_ip == NULL || your_ip == NULL) { return NULL; } Copy(&t.MyIp, my_ip, sizeof(IP)); t.MyPort = my_port; Copy(&t.YourIp, your_ip, sizeof(IP)); t.YourPort = your_port; se = Search(r->SessionList, &t); return se; }
/* Search for a session*/
Search for a session
RUDPCompareSegmentList
int RUDPCompareSegmentList(void *p1, void *p2) { RUDP_SEGMENT *s1, *s2; UINT r; // Validate arguments if (p1 == NULL || p2 == NULL) { return 0; } s1 = *((RUDP_SEGMENT **)p1); s2 = *((RUDP_SEGMENT **)p2); if (s1 == NULL || s2 == NULL) { return 0; } r = COMPARE_RET(s1->SeqNo, s2->SeqNo); return r; }
/* Comparison function of the segment list items*/
Comparison function of the segment list items
GenRandInterval
UINT GenRandInterval(UINT min, UINT max) { UINT a, b; a = MIN(min, max); b = MAX(min, max); if (a == b) { return a; } return (Rand32() % (b - a)) + a; }
/* Generate a random intervals*/
Generate a random intervals
IsIPLocalHostOrMySelf
bool IsIPLocalHostOrMySelf(IP *ip) { LIST *o; bool ret = false; UINT i; // Validate arguments if (ip == NULL) { return false; } o = GetHostIPAddressList(); if (o == NULL) { return false; } for (i = 0;i < LIST_NUM(o);i++) { IP *p = LIST_DATA(o, i); if (CmpIpAddr(p, ip) == 0) { ret = true; break; } } FreeHostIPAddressList(o); if (IsLocalHostIP4(ip) || IsLocalHostIP6(ip)) { ret = true; } return ret; }
/* Check whether the specified IP address is localhost or the IP address of the local interface of itself*/
Check whether the specified IP address is localhost or the IP address of the local interface of itself
NewUDP4ForSpecificIp
SOCK *NewUDP4ForSpecificIp(IP *target_ip, UINT port) { SOCK *s; IP local_ip; // Validate arguments if (target_ip == NULL || IsZeroIP(target_ip) || IsIP4(target_ip) == false) { target_ip = NULL; } Zero(&local_ip, sizeof(local_ip)); GetBestLocalIpForTarget(&local_ip, target_ip); s = NewUDP4(port, &local_ip); if (s == NULL) { s = NewUDP4(port, NULL); } return s; }
/* Create an IPv4 UDP socket destined for a particular target*/
Create an IPv4 UDP socket destined for a particular target
ListenTcpForPopupFirewallDialog
void ListenTcpForPopupFirewallDialog() { #ifdef OS_WIN32 static bool tried = false; if (tried == false) { SOCK *s; tried = true; s = ListenAnyPortEx2(false, true); if (s != NULL) { Disconnect(s); ReleaseSock(s); } } #endif // OS_WIN32 }
/* Listen to the TCP for a moment to show the firewall dialog*/
Listen to the TCP for a moment to show the firewall dialog
GetCurrentMachineIpProcessHash
void GetCurrentMachineIpProcessHash(void *hash) { // Validate arguments if (hash == NULL) { return; } Lock(machine_ip_process_hash_lock); { if (IsZero(machine_ip_process_hash, SHA1_SIZE)) { GetCurrentMachineIpProcessHashInternal(machine_ip_process_hash); } Copy(hash, machine_ip_process_hash, SHA1_SIZE); } Unlock(machine_ip_process_hash_lock); }
/* Generate a hash from the current computer name and the process name*/
Generate a hash from the current computer name and the process name
ListenAnyPortEx2
SOCK *ListenAnyPortEx2(bool local_only, bool disable_ca) { UINT i; SOCK *s; for (i = 40000;i < 65536;i++) { s = ListenEx(i, local_only); if (s != NULL) { return s; } } return NULL; }
/* Listen in any available port*/
Listen in any available port
NewSslPipe
SSL_PIPE *NewSslPipe(bool server_mode, X *x, K *k, DH_CTX *dh) { return NewSslPipeEx(server_mode, x, k, dh, false, NULL); }
/* Create a new SSL pipe*/
Create a new SSL pipe
FreeSslPipe
void FreeSslPipe(SSL_PIPE *s) { // Validate arguments if (s == NULL) { return; } FreeSslBio(s->SslInOut); FreeSslBio(s->RawIn); FreeSslBio(s->RawOut); SSL_free(s->ssl); SSL_CTX_free(s->ssl_ctx); Free(s); }
/* Release of the SSL pipe*/
Release of the SSL pipe
FreeSslBio
void FreeSslBio(SSL_BIO *b) { // Validate arguments if (b == NULL) { return; } if (b->NoFree == false) { BIO_free(b->bio); } ReleaseFifo(b->RecvFifo); ReleaseFifo(b->SendFifo); Free(b); }
/* Release of the SSL BIO*/
Release of the SSL BIO
NewSslBioSsl
SSL_BIO *NewSslBioSsl() { SSL_BIO *b = ZeroMalloc(sizeof(SSL_BIO)); b->bio = BIO_new(BIO_f_ssl()); b->RecvFifo = NewFifo(); b->SendFifo = NewFifo(); return b; }
/* Create a new SSL BIO (SSL)*/
Create a new SSL BIO (SSL)
NewSslBioMem
SSL_BIO *NewSslBioMem() { SSL_BIO *b = ZeroMalloc(sizeof(SSL_BIO)); b->bio = BIO_new(BIO_s_mem()); b->RecvFifo = NewFifo(); b->SendFifo = NewFifo(); return b; }
/* Create a new SSL BIO (memory)*/
Create a new SSL BIO (memory)
IcmpApiFreeResult
void IcmpApiFreeResult(ICMP_RESULT *ret) { // Validate arguments if (ret == NULL) { return; } if (ret->Data != NULL) { Free(ret->Data); } Free(ret); }
/* Release the memory for the return value of the ICMP API*/
Release the memory for the return value of the ICMP API
IsIcmpApiSupported
bool IsIcmpApiSupported() { #ifdef OS_WIN32 if (w32net->IcmpCloseHandle != NULL && w32net->IcmpCreateFile != NULL && w32net->IcmpSendEcho != NULL) { return true; } #endif // OS_WIN32 return false; }
/* Detect whether the ICMP API is supported*/
Detect whether the ICMP API is supported
NewRouteChange
ROUTE_CHANGE *NewRouteChange() { #ifdef OS_WIN32 return Win32NewRouteChange(); #else // OS_WIN32 return NULL; #endif // OS_WIN32 }
/* Initialize the routing table change detector*/
Initialize the routing table change detector
FreeRouteChange
void FreeRouteChange(ROUTE_CHANGE *r) { #ifdef OS_WIN32 Win32FreeRouteChange(r); #endif // OS_WIN32 }
/* Release the routing table change detector*/
Release the routing table change detector
IsRouteChanged
bool IsRouteChanged(ROUTE_CHANGE *r) { #ifdef OS_WIN32 return Win32IsRouteChanged(r); #else // OS_WIN32 return false; #endif // OS_WIN32 }
/* Get whether the routing table has been changed*/
Get whether the routing table has been changed
SetLinuxArpFilter
void SetLinuxArpFilter() { char *filename = "/proc/sys/net/ipv4/conf/all/arp_filter"; char *data = "1\n"; IO *o; o = FileCreate(filename); if (o == NULL) { return; } FileWrite(o, data, StrLen(data)); FileFlush(o); FileClose(o); }
/* Set the arp_filter in Linux*/
Set the arp_filter in Linux
IsIpMask6
bool IsIpMask6(char *str) { IP mask; // Validate arguments if (str == NULL) { return false; } return StrToMask6(&mask, str); }
/* Determine whether the string is a IPv6 mask*/
Determine whether the string is a IPv6 mask
IsStrIPv6Address
bool IsStrIPv6Address(char *str) { IP ip; // Validate arguments if (str == NULL) { return false; } if (StrToIP6(&ip, str) == false) { return false; } return true; }
/* Determine whether the string is a IPv6 address*/
Determine whether the string is a IPv6 address
SubnetMaskToInt6
UINT SubnetMaskToInt6(IP *a) { UINT i; // Validate arguments if (IsIP6(a) == false) { return 0; } for (i = 0;i <= 128;i++) { IP tmp; IntToSubnetMask6(&tmp, i); if (CmpIpAddr(a, &tmp) == 0) { return i; } } return 0; }
/* Convert the subnet mask to an integer*/
Convert the subnet mask to an integer
IsSubnetMask6
bool IsSubnetMask6(IP *a) { UINT i; // Validate arguments if (IsIP6(a) == false) { return false; } for (i = 0;i <= 128;i++) { IP tmp; IntToSubnetMask6(&tmp, i); if (CmpIpAddr(a, &tmp) == 0) { return true; } } return false; }
/* Determine whether the specified IP address is a subnet mask*/
Determine whether the specified IP address is a subnet mask
GenerateEui64LocalAddress
void GenerateEui64LocalAddress(IP *a, UCHAR *mac) { UCHAR tmp[8]; // Validate arguments if (a == NULL || mac == NULL) { return; } GenerateEui64Address6(tmp, mac); ZeroIP6(a); a->ipv6_addr[0] = 0xfe; a->ipv6_addr[1] = 0x80; Copy(&a->ipv6_addr[8], tmp, 8); }
/* Generate a local address from the MAC address*/
Generate a local address from the MAC address
GenerateEui64Address6
void GenerateEui64Address6(UCHAR *dst, UCHAR *mac) { // Validate arguments if (dst == NULL || mac == NULL) { return; } Copy(dst, mac, 3); Copy(dst + 5, mac, 3); dst[3] = 0xff; dst[4] = 0xfe; dst[0] = ((~(dst[0] & 0x02)) & 0x02) | (dst[0] & 0xfd); }
/* Generate the EUI-64 address from the MAC address*/
Generate the EUI-64 address from the MAC address
IsInSameNetwork6ByStr
bool IsInSameNetwork6ByStr(char *ip1, char *ip2, char *subnet) { IP p1, p2, s; if (StrToIP6(&p1, ip1) == false) { return false; } if (StrToIP6(&p2, ip2) == false) { return false; } if (StrToMask6(&s, subnet) == false) { return false; } return IsInSameNetwork6(&p1, &p2, &s); }
/* Examine whether two IP addresses are in the same network*/
Examine whether two IP addresses are in the same network
GetPrefixAddress6
void GetPrefixAddress6(IP *dst, IP *ip, IP *subnet) { // Validate arguments if (dst == NULL || ip == NULL || subnet == NULL) { return; } IPAnd6(dst, ip, subnet); dst->ipv6_scope_id = ip->ipv6_scope_id; }
/* Get the prefix address*/
Get the prefix address
GetIPv6AddrType
UINT GetIPv6AddrType(IPV6_ADDR *addr) { IP ip; // Validate arguments if (addr == NULL) { return 0; } IPv6AddrToIP(&ip, addr); return GetIPAddrType6(&ip); }
/* Get the type of the IPv6 address*/
Get the type of the IPv6 address
GetAllNodeMulticaseAddress6
void GetAllNodeMulticaseAddress6(IP *ip) { // Validate arguments if (ip == NULL) { return; } ZeroIP6(ip); ip->ipv6_addr[0] = 0xff; ip->ipv6_addr[1] = 0x02; ip->ipv6_addr[15] = 0x01; }
/* All-nodes multicast address*/
All-nodes multicast address
GetAllRouterMulticastAddress6
void GetAllRouterMulticastAddress6(IP *ip) { // Validate arguments if (ip == NULL) { return; } ZeroIP6(ip); ip->ipv6_addr[0] = 0xff; ip->ipv6_addr[1] = 0x02; ip->ipv6_addr[15] = 0x02; }
/* All-routers multicast address*/
All-routers multicast address
IPAnd4
void IPAnd4(IP *dst, IP *a, IP *b) { UINT i; // Validate arguments if (dst == NULL || a == NULL || b == NULL || IsIP4(a) == false || IsIP4(b) == false) { Zero(dst, sizeof(IP)); return; } i = IPToUINT(a) & IPToUINT(b); UINTToIP(dst, i); }
/* Logical operation of the IPv4 address*/
Logical operation of the IPv4 address
IPAnd6
void IPAnd6(IP *dst, IP *a, IP *b) { UINT i; // Validate arguments if (dst == NULL || IsIP6(a) == false || IsIP6(b) == false) { ZeroIP6(dst); return; } ZeroIP6(dst); for (i = 0;i < 16;i++) { dst->ipv6_addr[i] = a->ipv6_addr[i] & b->ipv6_addr[i]; } }
/* Logical operation of the IPv6 address*/
Logical operation of the IPv6 address
IntToSubnetMask6
void IntToSubnetMask6(IP *ip, UINT i) { UINT j = i / 8; UINT k = i % 8; UINT z; IP a; ZeroIP6(&a); for (z = 0;z < 16;z++) { if (z < j) { a.ipv6_addr[z] = 0xff; } else if (z == j) { a.ipv6_addr[z] = ~(0xff >> k); } } Copy(ip, &a, sizeof(IP)); }
/* Creating a subnet mask*/
Creating a subnet mask
IP6AddrToStr
void IP6AddrToStr(char *str, UINT size, IPV6_ADDR *addr) { // Validate arguments if (str == NULL || addr == NULL) { return; } IPToStr6Array(str, size, addr->Value); }
/* Convert the IP address to a string*/
Convert the IP address to a string
CheckIPItemStr6
bool CheckIPItemStr6(char *str) { UINT i, len; // Validate arguments if (str == NULL) { return false; } len = StrLen(str); if (len >= 5) { // Invalid length return false; } for (i = 0;i < len;i++) { char c = str[i]; if ((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') || (c >= '0' && c <= '9')) { } else { return false; } } return true; }
/* Check whether invalid characters are included in the element string of the IP address*/
Check whether invalid characters are included in the element string of the IP address
ZeroIP4
void ZeroIP4(IP *ip) { // Validate arguments if (ip == NULL) { return; } Zero(ip, sizeof(IP)); }
/* Create an IPv4 address of all zero*/
Create an IPv4 address of all zero
ZeroIP6
void ZeroIP6(IP *ip) { // Validate arguments if (ip == NULL) { return; } SetIP6(ip, NULL); }
/* Create an IPv6 address of all zero*/
Create an IPv6 address of all zero
GetLocalHostIP6
void GetLocalHostIP6(IP *ip) { // Validate arguments if (ip == NULL) { return; } ZeroIP6(ip); ip->ipv6_addr[15] = 1; }
/* Get the IP address of the localhost*/
Get the IP address of the localhost
IsLocalHostIP6
bool IsLocalHostIP6(IP *ip) { IP local; // Validate arguments if (ip == NULL) { return false; } if (IsIP6(ip) == false) { return false; } GetLocalHostIP6(&local); if (CmpIpAddr(&local, ip) == 0) { return true; } return false; }
/* Check whether the specified address is a localhost*/
Check whether the specified address is a localhost
IPv6AddrToIP
void IPv6AddrToIP(IP *ip, IPV6_ADDR *addr) { // Validate arguments if (ip == NULL || addr == NULL) { return; } SetIP6(ip, addr->Value); }
/* Convert the IPV6_ADDR to an IP*/
Convert the IPV6_ADDR to an IP
IPToIPv6Addr
bool IPToIPv6Addr(IPV6_ADDR *addr, IP *ip) { UINT i; // Validate arguments if (addr == NULL || ip == NULL) { Zero(addr, sizeof(IPV6_ADDR)); return false; } if (IsIP6(ip) == false) { Zero(addr, sizeof(IPV6_ADDR)); return false; } for (i = 0;i < 16;i++) { addr->Value[i] = ip->ipv6_addr[i]; } return true; }
/* Convert the IP to an IPV6_ADDR*/
Convert the IP to an IPV6_ADDR
SetIP6
void SetIP6(IP *ip, UCHAR *value) { // Validate arguments if (ip == NULL) { return; } Zero(ip, sizeof(IP)); ip->addr[0] = 223; ip->addr[1] = 255; ip->addr[2] = 255; ip->addr[3] = 254; if (value != NULL) { UINT i; for (i = 0;i < 16;i++) { ip->ipv6_addr[i] = value[i]; } } }
/* Set an IPv6 address*/
Set an IPv6 address
IsIP6
bool IsIP6(IP *ip) { // Validate arguments if (ip == NULL) { return false; } if (ip->addr[0] == 223 && ip->addr[1] == 255 && ip->addr[2] == 255 && ip->addr[3] == 254) { return true; } return false; }
/* Check whether the specified address is a IPv6 address*/
Check whether the specified address is a IPv6 address
CopyIP
void CopyIP(IP *dst, IP *src) { Copy(dst, src, sizeof(IP)); }
/* Copy the IP address*/
Copy the IP address
GetNumIpClient
UINT GetNumIpClient(IP *ip) { IP_CLIENT *c; UINT ret = 0; // Validate arguments if (ip == NULL) { return 0; } LockList(ip_clients); { c = SearchIpClient(ip); if (c != NULL) { ret = c->NumConnections; } } UnlockList(ip_clients); return ret; }
/* Get the number of clients connected from the specified IP address*/
Get the number of clients connected from the specified IP address
AddIpClient
void AddIpClient(IP *ip) { IP_CLIENT *c; // Validate arguments if (ip == NULL) { return; } LockList(ip_clients); { c = SearchIpClient(ip); if (c == NULL) { c = ZeroMallocFast(sizeof(IP_CLIENT)); Copy(&c->IpAddress, ip, sizeof(IP)); c->NumConnections = 0; Add(ip_clients, c); } c->NumConnections++; } UnlockList(ip_clients); //Debug("AddIpClient: %r\n", ip); }
/* Add to the IP client entry*/
Add to the IP client entry
DelIpClient
void DelIpClient(IP *ip) { IP_CLIENT *c; // Validate arguments if (ip == NULL) { return; } LockList(ip_clients); { c = SearchIpClient(ip); if (c != NULL) { c->NumConnections--; if (c->NumConnections == 0) { Delete(ip_clients, c); Free(c); } } } UnlockList(ip_clients); //Debug("DelIpClient: %r\n", ip); }
/* Remove from the IP client list*/
Remove from the IP client list
SearchIpClient
IP_CLIENT *SearchIpClient(IP *ip) { IP_CLIENT t; // Validate arguments if (ip == NULL) { return NULL; } Zero(&t, sizeof(t)); Copy(&t.IpAddress, ip, sizeof(IP)); return Search(ip_clients, &t); }
/* Search for the IP client entry*/
Search for the IP client entry
InitIpClientList
void InitIpClientList() { ip_clients = NewList(CompareIpClientList); }
/* Initialization of the client list*/
Initialization of the client list
FreeIpClientList
void FreeIpClientList() { UINT i; for (i = 0;i < LIST_NUM(ip_clients);i++) { IP_CLIENT *c = LIST_DATA(ip_clients, i); Free(c); } ReleaseList(ip_clients); ip_clients = NULL; }
/* Release of the client list*/
Release of the client list
CompareIpClientList
int CompareIpClientList(void *p1, void *p2) { IP_CLIENT *c1, *c2; if (p1 == NULL || p2 == NULL) { return 0; } c1 = *(IP_CLIENT **)p1; c2 = *(IP_CLIENT **)p2; if (c1 == NULL || c2 == NULL) { return 0; } return CmpIpAddr(&c1->IpAddress, &c2->IpAddress); }
/* Comparison of the client list entries*/
Comparison of the client list entries
NormalizeMacAddress
bool NormalizeMacAddress(char *dst, UINT size, char *src) { BUF *b; bool ret = false; // Validate arguments if (dst == NULL || src == NULL) { return false; } b = StrToBin(src); if (b != NULL && b->Size == 6) { ret = true; BinToStr(dst, size, b->Buf, b->Size); } FreeBuf(b); return ret; }
/* Normalization of the MAC address*/
Normalization of the MAC address
IsZeroIP
bool IsZeroIP(IP *ip) { return IsZeroIp(ip); }
/* Identify whether the IP address is empty*/
Identify whether the IP address is empty
IsHostIPAddress4
bool IsHostIPAddress4(IP *ip) { UINT a; // Validate arguments if (ip == NULL) { return false; } a = IPToUINT(ip); if (a == 0 || a == 0xffffffff) { return false; } return true; }
/* Examine whether the specified IP address is meaningful as a host*/
Examine whether the specified IP address is meaningful as a host
IsNetworkAddress4
bool IsNetworkAddress4(IP *ip, IP *mask) { UINT a, b; // Validate arguments if (ip == NULL || mask == NULL) { return false; } if (IsIP4(ip) == false || IsIP4(mask) == false) { return false; } if (IsSubnetMask4(mask) == false) { return false; } a = IPToUINT(ip); b = IPToUINT(mask); if ((a & b) == a) { return true; } return false; }
/* Check whether the specified IP address and subnet mask indicates a network correctly*/
Check whether the specified IP address and subnet mask indicates a network correctly
IsSubnetMask
bool IsSubnetMask(IP *ip) { if (IsIP6(ip)) { return IsSubnetMask6(ip); } else { return IsSubnetMask4(ip); } }
/* Examine whether the specified IP address is a subnet mask*/
Examine whether the specified IP address is a subnet mask
UnixSetSocketNonBlockingMode
void UnixSetSocketNonBlockingMode(int fd, bool nonblock) { UINT flag = 0; // Validate arguments if (fd == INVALID_SOCKET) { return; } if (nonblock) { flag = 1; } #ifdef FIONBIO ioctl(fd, FIONBIO, &flag); #else // FIONBIO { int flag = fcntl(fd, F_GETFL, 0); if (flag != -1) { if (nonblock) { flag |= O_NONBLOCK; } else { flag = flag & ~O_NONBLOCK; fcntl(fd, F_SETFL, flag); } } } #endif // FIONBIO }
/* Turn on and off the non-blocking mode of the socket*/
Turn on and off the non-blocking mode of the socket
UnixCleanupCancel
void UnixCleanupCancel(CANCEL *c) { // Validate arguments if (c == NULL) { return; } if (c->SpecialFlag == false) { UnixDeletePipe(c->pipe_read, c->pipe_write); } Free(c); }
/* Release of the cancel object*/
Release of the cancel object
UnixNewCancel
CANCEL *UnixNewCancel() { CANCEL *c = ZeroMallocFast(sizeof(CANCEL)); c->ref = NewRef(); c->SpecialFlag = false; UnixNewPipe(&c->pipe_read, &c->pipe_write); c->pipe_special_read2 = c->pipe_special_read3 = -1; return c; }
/* Creating a new cancel object*/
Creating a new cancel object
UnixSetSockEvent
void UnixSetSockEvent(SOCK_EVENT *event) { // Validate arguments if (event == NULL) { return; } if (event->current_pipe_data <= 100) { UnixWritePipe(event->pipe_write); event->current_pipe_data++; } }
/* Set the socket event*/
Set the socket event
safe_fd_set
int safe_fd_set(int fd, fd_set* fds, int* max_fd) { FD_SET(fd, fds); if (fd > *max_fd) { *max_fd = fd; } return 0; }
/* This is a helper function for select()*/
This is a helper function for select()
UnixCleanupSockEvent
void UnixCleanupSockEvent(SOCK_EVENT *event) { UINT i; // Validate arguments if (event == NULL) { return; } for (i = 0;i < LIST_NUM(event->SockList);i++) { SOCK *s = LIST_DATA(event->SockList, i); ReleaseSock(s); } ReleaseList(event->SockList); UnixDeletePipe(event->pipe_read, event->pipe_write); Free(event); }
/* Clean-up of the socket event*/
Clean-up of the socket event
UnixNewSockEvent
SOCK_EVENT *UnixNewSockEvent() { SOCK_EVENT *e = ZeroMallocFast(sizeof(SOCK_EVENT)); e->SockList = NewList(NULL); e->ref = NewRef(); UnixNewPipe(&e->pipe_read, &e->pipe_write); return e; }
/* Create a socket event*/
Create a socket event
UnixDeletePipe
void UnixDeletePipe(int p1, int p2) { if (p1 != -1) { close(p1); } if (p2 != -1) { close(p2); } }
/* Close the pipe*/
Close the pipe
UnixWritePipe
void UnixWritePipe(int pipe_write) { char c = 1; write(pipe_write, &c, 1); }
/* Write to the pipe*/
Write to the pipe
UnixNewPipe
void UnixNewPipe(int *pipe_read, int *pipe_write) { int fd[2]; // Validate arguments if (pipe_read == NULL || pipe_write == NULL) { return; } fd[0] = fd[1] = 0; pipe(fd); *pipe_read = fd[0]; *pipe_write = fd[1]; UnixSetSocketNonBlockingMode(*pipe_write, true); UnixSetSocketNonBlockingMode(*pipe_read, true); }
/* Create a new pipe*/
Create a new pipe
UnixInitSocketLibrary
void UnixInitSocketLibrary() { // Do not do anything special }
/* Initializing the socket library*/
Initializing the socket library
UnixFreeSocketLibrary
void UnixFreeSocketLibrary() { // Do not do anything special }
/* Release of the socket library*/
Release of the socket library