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Merge pull request #1329 from davidebeatrici/mayaqua-dns-refactor

Rewrite DNS API from scratch into dedicated file(s)
This commit is contained in:
Ilya Shipitsin 2021-04-18 08:22:40 +03:00 committed by GitHub
commit ee84891559
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 702 additions and 1237 deletions

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@ -21,6 +21,7 @@
#include "UdpAccel.h"
#include "Virtual.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/Kernel.h"
#include "Mayaqua/Mayaqua.h"
#include "Mayaqua/Memory.h"

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@ -19,6 +19,7 @@
#include "Server.h"
#include "Mayaqua/Cfg.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/FileIO.h"
#include "Mayaqua/Internat.h"
#include "Mayaqua/Memory.h"

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@ -17,6 +17,7 @@
#include "SecureNAT.h"
#include "Server.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/Internat.h"
#include "Mayaqua/FileIO.h"
#include "Mayaqua/Memory.h"

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@ -30,6 +30,7 @@
#include "Wpc.h"
#include "Mayaqua/Cfg.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/FileIO.h"
#include "Mayaqua/Internat.h"
#include "Mayaqua/Memory.h"

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@ -11,6 +11,7 @@
#include "IPC.h"
#include "Server.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/Internat.h"
#include "Mayaqua/Memory.h"
#include "Mayaqua/Object.h"
@ -1717,7 +1718,7 @@ bool RadiusLogin(CONNECTION *c, char *server, UINT port, UCHAR *secret, UINT sec
{
Add(ip_list, tmp_ip);
}
else if (GetIPEx(tmp_ip, token->Token[i], true))
else if (GetIP(tmp_ip, token->Token[i]))
{
Add(ip_list, tmp_ip);
}

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@ -25,6 +25,7 @@
#include "WinUi.h"
#include "Mayaqua/Cfg.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/FileIO.h"
#include "Mayaqua/Internat.h"
#include "Mayaqua/Memory.h"
@ -312,8 +313,8 @@ UINT SiDebugProcGetCurrentGetIPThreadCount(SERVER *s, char *in_str, char *ret_st
return ERR_INVALID_PARAMETER;
}
ToStr3(tmp1, 0, GetCurrentGetIpThreadNum());
ToStr3(tmp2, 0, GetGetIpThreadMaxNum());
ToStr3(tmp1, 0, DnsThreadNum());
ToStr3(tmp2, 0, DnsThreadNumMax());
Format(ret_str, 0,
"Current threads = %s\n"
@ -5629,11 +5630,11 @@ void SiLoadServerCfg(SERVER *s, FOLDER *f)
i = CfgGetInt(f, "MaxConcurrentDnsClientThreads");
if (i != 0)
{
SetGetIpThreadMaxNum(i);
DnsThreadNumMaxSet(i);
}
else
{
SetGetIpThreadMaxNum(DEFAULT_GETIP_THREAD_MAX_NUM);
DnsThreadNumMaxSet(DNS_THREAD_DEFAULT_NUM_MAX);
}
s->DontBackupConfig = CfgGetBool(f, "DontBackupConfig");
@ -6103,7 +6104,7 @@ void SiWriteServerCfg(FOLDER *f, SERVER *s)
return;
}
CfgAddInt(f, "MaxConcurrentDnsClientThreads", GetGetIpThreadMaxNum());
CfgAddInt(f, "MaxConcurrentDnsClientThreads", DnsThreadNumMax());
CfgAddInt(f, "CurrentBuild", s->Cedar->Build);
@ -10766,7 +10767,7 @@ SERVER *SiNewServerEx(bool bridge, bool in_client_inner_server, bool relay_serve
LISTENER *azure;
LISTENER *rudp;
SetGetIpThreadMaxNum(DEFAULT_GETIP_THREAD_MAX_NUM);
DnsThreadNumMaxSet(DNS_THREAD_DEFAULT_NUM_MAX);
s = ZeroMalloc(sizeof(SERVER));

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@ -9,6 +9,7 @@
#include "Connection.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/Kernel.h"
#include "Mayaqua/Memory.h"
#include "Mayaqua/Object.h"

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@ -15,6 +15,7 @@
#include "NativeStack.h"
#include "Server.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/FileIO.h"
#include "Mayaqua/Memory.h"
#include "Mayaqua/Object.h"

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@ -10,6 +10,7 @@
#include "Command.h"
#include "Protocol.h"
#include "Mayaqua/DNS.h"
#include "Mayaqua/Memory.h"
#include "Mayaqua/Microsoft.h"
#include "Mayaqua/Pack.h"

581
src/Mayaqua/DNS.c Normal file
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@ -0,0 +1,581 @@
#include "DNS.h"
#include "Memory.h"
#include "Network.h"
#include "Object.h"
#include "Str.h"
#include "Tick64.h"
#ifdef OS_WIN32
#include <WS2tcpip.h>
#else
#include <netdb.h>
#include <sys/socket.h>
#endif
static bool cache_enabled;
static LIST *cache;
static LIST *cache_reverse;
static COUNTER *threads_counter;
static UINT threads_max;
int DnsCacheCompare(void *p1, void *p2)
{
if (p1 == NULL || p2 == NULL)
{
return (p1 == NULL && p2 == NULL ? 0 : (p1 == NULL ? -1 : 1));
}
const DNS_CACHE *c1 = *(DNS_CACHE **)p1;
const DNS_CACHE *c2 = *(DNS_CACHE **)p2;
return StrCmpi(c1->Hostname, c2->Hostname);
}
int DnsCacheReverseCompare(void *p1, void *p2)
{
if (p1 == NULL || p2 == NULL)
{
return (p1 == NULL && p2 == NULL ? 0 : (p1 == NULL ? -1 : 1));
}
const DNS_CACHE_REVERSE *c1 = *(DNS_CACHE_REVERSE **)p1;
const DNS_CACHE_REVERSE *c2 = *(DNS_CACHE_REVERSE **)p2;
return CmpIpAddr(&c1->IP, &c2->IP);
}
void DnsInit()
{
threads_counter = NewCounter();
DnsThreadNumMaxSet(DNS_THREAD_DEFAULT_NUM_MAX);
cache = NewList(DnsCacheCompare);
cache_reverse = NewList(DnsCacheReverseCompare);
DnsCacheToggle(true);
}
void DnsFree()
{
DnsCacheToggle(false);
LockList(cache);
{
for (UINT i = 0; i < LIST_NUM(cache); ++i)
{
DNS_CACHE *entry = LIST_DATA(cache, i);
Free((void *)entry->Hostname);
Free(entry);
}
}
UnlockList(cache);
ReleaseList(cache);
cache = NULL;
LockList(cache_reverse);
{
for (UINT i = 0; i < LIST_NUM(cache_reverse); ++i)
{
DNS_CACHE_REVERSE *entry = LIST_DATA(cache, i);
Free(entry->Hostname);
Free(entry);
}
}
UnlockList(cache_reverse);
ReleaseList(cache_reverse);
cache_reverse = NULL;
DeleteCounter(threads_counter);
threads_counter = NULL;
}
UINT DnsThreadNum()
{
return Count(threads_counter);
}
UINT DnsThreadNumMax()
{
return threads_max;
}
void DnsThreadNumMaxSet(const UINT max)
{
threads_max = max;
}
bool DnsCacheIsEnabled()
{
return cache_enabled;
}
void DnsCacheToggle(const bool enabled)
{
cache_enabled = enabled;
}
DNS_CACHE *DnsCacheFind(const char *hostname)
{
if (DnsCacheIsEnabled() == false || IsEmptyStr(hostname))
{
return NULL;
}
DNS_CACHE *entry;
LockList(cache);
{
DNS_CACHE t;
t.Hostname = hostname;
entry = Search(cache, &t);
}
UnlockList(cache);
return entry;
}
DNS_CACHE *DnsCacheUpdate(const char *hostname, const IP *ipv6, const IP *ipv4)
{
if (DnsCacheIsEnabled() == false || IsEmptyStr(hostname))
{
return NULL;
}
DNS_CACHE *entry;
LockList(cache);
{
DNS_CACHE t;
t.Hostname = hostname;
entry = Search(cache, &t);
if (ipv6 == NULL && ipv4 == NULL)
{
if (entry != NULL)
{
Delete(cache, entry);
Free(entry);
entry = NULL;
}
}
else
{
if (entry == NULL)
{
entry = ZeroMalloc(sizeof(DNS_CACHE));
entry->Hostname = CopyStr(hostname);
Add(cache, entry);
}
entry->Expiration = Tick64();
if (ipv6 != NULL)
{
if (CmpIpAddr(&entry->IPv6, ipv6) != 0)
{
Copy(&entry->IPv6, ipv6, sizeof(entry->IPv6));
}
}
else
{
if (CmpIpAddr(&entry->IPv4, ipv4) != 0)
{
Copy(&entry->IPv4, ipv4, sizeof(entry->IPv4));
}
}
}
}
UnlockList(cache);
return entry;
}
DNS_CACHE_REVERSE *DnsCacheReverseFind(const IP *ip)
{
if (DnsCacheIsEnabled() == false || ip == NULL)
{
return NULL;
}
DNS_CACHE_REVERSE *entry;
LockList(cache_reverse);
{
DNS_CACHE_REVERSE t;
Copy(&t.IP, ip, sizeof(t.IP));
entry = Search(cache_reverse, &t);
}
UnlockList(cache_reverse);
return entry;
}
DNS_CACHE_REVERSE *DnsCacheReverseUpdate(const IP *ip, const char *hostname)
{
if (DnsCacheIsEnabled() == false || IsZeroIP(&ip))
{
return NULL;
}
DNS_CACHE_REVERSE *entry;
LockList(cache_reverse);
{
DNS_CACHE_REVERSE t;
Copy(&t.IP, ip, sizeof(t.IP));
entry = Search(cache_reverse, &t);
if (IsEmptyStr(hostname))
{
if (entry != NULL)
{
Delete(cache, entry);
Free(entry);
entry = NULL;
}
}
else
{
if (entry == NULL)
{
entry = ZeroMalloc(sizeof(DNS_CACHE_REVERSE));
Copy(&entry->IP, ip, sizeof(entry->IP));
Add(cache, entry);
}
entry->Expiration = Tick64();
if (StrCmp(entry->Hostname, hostname) != 0)
{
Free(entry->Hostname);
entry->Hostname = CopyStr(hostname);
}
}
}
UnlockList(cache_reverse);
return entry;
}
bool DnsResolve(IP *ipv6, IP *ipv4, const char *hostname, UINT timeout, volatile const bool *cancel_flag)
{
if ((ipv6 == NULL && ipv4 == NULL) || IsEmptyStr(hostname))
{
return false;
}
if (StrCmpi(hostname, "localhost") == 0)
{
GetLocalHostIP6(ipv6);
GetLocalHostIP4(ipv4);
return true;
}
IP ip;
if (StrToIP(&ip, hostname))
{
if (IsIP6(&ip))
{
if (ipv6 != NULL)
{
ZeroIP4(ipv4);
Copy(ipv6, &ip, sizeof(IP));
return true;
}
}
else
{
if (ipv4 != NULL)
{
Zero(ipv6, sizeof(IP));
Copy(ipv4, &ip, sizeof(IP));
return true;
}
}
return false;
}
if (DnsThreadNum() > DnsThreadNumMax())
{
Debug("DnsResolve(): Too many threads! Current: %u, Maximum: %u\n",
DnsThreadNum(), DnsThreadNumMax());
goto CACHE;
}
if (cancel_flag != NULL && *cancel_flag)
{
return false;
}
if (timeout == 0)
{
timeout = DNS_RESOLVE_DEFAULT_TIMEOUT;
}
Inc(threads_counter);
DNS_RESOLVER resolver;
Zero(&resolver, sizeof(resolver));
ZeroIP4(&resolver.IPv4);
resolver.Hostname = hostname;
THREAD *worker = NewThread(DnsResolver, &resolver);
WaitThreadInit(worker);
if (cancel_flag == NULL)
{
WaitThread(worker, timeout);
}
else
{
const UINT64 end = Tick64() + timeout;
while (*cancel_flag == false)
{
const UINT64 now = Tick64();
if (now >= end)
{
break;
}
BYTE next = MIN(end - now, 100);
if (WaitThread(worker, next))
{
break;
}
}
}
ReleaseThread(worker);
Dec(threads_counter);
if (resolver.OK)
{
Copy(ipv6, &resolver.IPv6, sizeof(IP));
Copy(ipv4, &resolver.IPv4, sizeof(IP));
DnsCacheUpdate(hostname, ipv6, ipv4);
return true;
}
CACHE:
Debug("DnsResolve(): Could not resolve \"%s\". Searching for it in the cache...\n", hostname);
const DNS_CACHE *cached = DnsCacheFind(hostname);
if (cached == NULL || cached->Expiration <= Tick64())
{
return false;
}
Copy(ipv6, &cached->IPv6, sizeof(IP));
Copy(ipv4, &cached->IPv4, sizeof(IP));
return true;
}
void DnsResolver(THREAD *t, void *param)
{
if (t == NULL || param == NULL)
{
return;
}
DNS_RESOLVER *resolver = param;
NoticeThreadInit(t);
AddWaitThread(t);
struct addrinfo hints;
Zero(&hints, sizeof(hints));
hints.ai_family = AF_INET6;
hints.ai_flags = AI_ALL | AI_ADDRCONFIG | AI_V4MAPPED;
struct addrinfo *result;
const int ret = getaddrinfo(resolver->Hostname, NULL, &hints, &result);
if (ret == 0)
{
bool ipv6_ok = false;
bool ipv4_ok = false;
do
{
IP ip;
const struct sockaddr_in6 *in = (struct sockaddr_in6 *)result->ai_addr;
InAddrToIP6(&ip, &in->sin6_addr);
if (IsIP6(&ip) && ipv6_ok == false)
{
Copy(&resolver->IPv6, &ip, sizeof(resolver->IPv6));
resolver->IPv6.ipv6_scope_id = in->sin6_scope_id;
ipv6_ok = true;
}
else if (ipv4_ok == false)
{
Copy(&resolver->IPv4, &ip, sizeof(resolver->IPv4));
ipv4_ok = true;
}
result = result->ai_next;
} while (result != NULL && (ipv6_ok == false || ipv4_ok == false));
resolver->OK = true;
}
else if (ret != EAI_NONAME)
{
Debug("DnsResolver(): getaddrinfo() failed with error %d!\n", ret);
}
DelWaitThread(t);
}
bool DnsResolveReverse(char *dst, const UINT size, const IP *ip, UINT timeout, volatile const bool *cancel_flag)
{
if (dst == NULL || size == 0 || IsZeroIP(ip))
{
return false;
}
if (DnsThreadNum() > DnsThreadNumMax())
{
Debug("DnsResolveReverse(): Too many threads! Current: %u, Maximum: %u\n",
DnsThreadNum(), DnsThreadNumMax());
goto CACHE;
}
if (cancel_flag != NULL && *cancel_flag)
{
return false;
}
if (timeout == 0)
{
timeout = DNS_RESOLVE_REVERSE_DEFAULT_TIMEOUT;
}
Inc(threads_counter);
DNS_RESOLVER_REVERSE resolver;
Zero(&resolver, sizeof(resolver));
Copy(&resolver.IP, ip, sizeof(resolver.IP));
THREAD *worker = NewThread(DnsResolverReverse, &resolver);
WaitThreadInit(worker);
if (cancel_flag == NULL)
{
WaitThread(worker, timeout);
}
else
{
const UINT64 end = Tick64() + timeout;
while (*cancel_flag == false)
{
const UINT64 now = Tick64();
if (now >= end)
{
break;
}
BYTE next = MIN(end - now, 100);
if (WaitThread(worker, next))
{
break;
}
}
}
ReleaseThread(worker);
Dec(threads_counter);
if (resolver.OK)
{
StrCpy(dst, size, resolver.Hostname);
Free(resolver.Hostname);
DnsCacheReverseUpdate(ip, dst);
return true;
}
CACHE:
Debug("DnsResolveReverse(): Could not resolve \"%r\". Searching for it in the cache...\n", ip);
const DNS_CACHE_REVERSE *cached = DnsCacheReverseFind(ip);
if (cached == NULL || cached->Expiration <= Tick64())
{
return false;
}
StrCpy(dst, size, cached->Hostname);
return true;
}
void DnsResolverReverse(THREAD *t, void *param)
{
if (t == NULL || param == NULL)
{
return;
}
DNS_RESOLVER_REVERSE *resolver = param;
NoticeThreadInit(t);
AddWaitThread(t);
struct sockaddr_in6 in;
Zero(&in, sizeof(in));
in.sin6_family = AF_INET6;
IPToInAddr6(&in.sin6_addr, &resolver->IP);
char tmp[NI_MAXHOST];
const int ret = getnameinfo((struct sockaddr *)&in, sizeof(in), tmp, sizeof(tmp), NULL, 0, NI_NAMEREQD);
if (ret == 0)
{
resolver->Hostname = CopyStr(tmp);
resolver->OK = true;
}
else if (ret != EAI_NONAME)
{
Debug("DnsResolverReverse(): getnameinfo() failed with error %d!\n", ret);
}
DelWaitThread(t);
}
bool GetIPEx(IP *ip, const char *hostname, UINT timeout, volatile const bool *cancel_flag)
{
if (ip == NULL || IsEmptyStr(hostname))
{
return false;
}
IP ipv6, ipv4;
if (DnsResolve(&ipv6, &ipv4, hostname, timeout, cancel_flag) == false)
{
return false;
}
if (IsZeroIP(&ipv6) == false)
{
Copy(ip, &ipv6, sizeof(IP));
return true;
}
else if (IsZeroIP(&ipv4) == false)
{
Copy(ip, &ipv4, sizeof(IP));
return true;
}
return false;
}

78
src/Mayaqua/DNS.h Normal file
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@ -0,0 +1,78 @@
#ifndef DNS_H
#define DNS_H
#include "Network.h"
#define DNS_CACHE_EXPIRATION (10 * 60 * 1000)
#ifndef USE_STRATEGY_LOW_MEMORY
#define DNS_THREAD_DEFAULT_NUM_MAX (512)
#else
#define DNS_THREAD_DEFAULT_NUM_MAX (64)
#endif
#define DNS_RESOLVE_DEFAULT_TIMEOUT (2300)
#define DNS_RESOLVE_REVERSE_DEFAULT_TIMEOUT (500)
#define GetIP(ip, hostname) (GetIPEx(ip, hostname, 0, NULL))
#define GetIP4(ip, hostname) (GetIP4Ex(ip, hostname, 0, NULL))
#define GetIP6(ip, hostname) (GetIP6Ex(ip, hostname, 0, NULL))
#define GetIP4Ex(ip, hostname, timeout, cancel_flag) (DnsResolve(NULL, ip, hostname, timeout, cancel_flag))
#define GetIP6Ex(ip, hostname, timeout, cancel_flag) (DnsResolve(ip, NULL, hostname, timeout, cancel_flag))
struct DNS_CACHE
{
const char *Hostname;
IP IPv4;
IP IPv6;
UINT64 Expiration;
};
struct DNS_CACHE_REVERSE
{
IP IP;
char *Hostname;
UINT64 Expiration;
};
struct DNS_RESOLVER
{
const char *Hostname;
IP IPv4;
IP IPv6;
bool OK;
};
struct DNS_RESOLVER_REVERSE
{
IP IP;
char *Hostname;
bool OK;
};
void DnsInit();
void DnsFree();
UINT DnsThreadNum();
UINT DnsThreadNumMax();
void DnsThreadNumMaxSet(const UINT num);
bool DnsCacheIsEnabled();
void DnsCacheToggle(const bool enabled);
DNS_CACHE *DnsCacheFind(const char *hostname);
DNS_CACHE *DnsCacheUpdate(const char *hostname, const IP *ipv6, const IP *ipv4);
DNS_CACHE_REVERSE *DnsCacheReverseFind(const IP *ip);
DNS_CACHE_REVERSE *DnsCacheReverseUpdate(const IP *ip, const char *hostname);
bool DnsResolve(IP *ipv6, IP *ipv4, const char *hostname, UINT timeout, volatile const bool *cancel_flag);
void DnsResolver(THREAD *t, void *param);
bool DnsResolveReverse(char *dst, const UINT size, const IP *ip, UINT timeout, volatile const bool *cancel_flag);
void DnsResolverReverse(THREAD *t, void *param);
bool GetIPEx(IP *ip, const char *hostname, UINT timeout, volatile const bool *cancel_flag);
#endif

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@ -352,7 +352,6 @@ typedef struct LANGLIST LANGLIST;
// Network.h
typedef struct IP IP;
typedef struct DNSCACHE DNSCACHE;
typedef struct SOCK_EVENT SOCK_EVENT;
typedef struct SOCK SOCK;
typedef struct SOCKSET SOCKSET;
@ -362,7 +361,6 @@ typedef struct ROUTE_TABLE ROUTE_TABLE;
typedef struct IP_CLIENT IP_CLIENT;
typedef struct ROUTE_CHANGE ROUTE_CHANGE;
typedef struct ROUTE_CHANGE_DATA ROUTE_CHANGE_DATA;
typedef struct GETIP_THREAD_PARAM GETIP_THREAD_PARAM;
typedef struct WIN32_RELEASEADDRESS_THREAD_PARAM WIN32_RELEASEADDRESS_THREAD_PARAM;
typedef struct IPV6_ADDR IPV6_ADDR;
typedef struct TUBE TUBE;
@ -387,8 +385,6 @@ typedef struct TCP_PAIR_HEADER TCP_PAIR_HEADER;
typedef struct NIC_ENTRY NIC_ENTRY;
typedef struct HTTP_VALUE HTTP_VALUE;
typedef struct HTTP_HEADER HTTP_HEADER;
typedef struct DNSPROXY_CLIENT DNSPROXY_CLIENT;
typedef struct DNSPROXY_CACHE DNSPROXY_CACHE;
typedef struct QUERYIPTHREAD QUERYIPTHREAD;
typedef struct IPBLOCK IPBLOCK;
typedef struct SAFE_REQUEST SAFE_REQUEST;
@ -464,4 +460,10 @@ typedef struct HTTP_MIME_TYPE HTTP_MIME_TYPE;
typedef struct PROXY_PARAM_IN PROXY_PARAM_IN;
typedef struct PROXY_PARAM_OUT PROXY_PARAM_OUT;
// DNS.h
typedef struct DNS_CACHE DNS_CACHE;
typedef struct DNS_CACHE_REVERSE DNS_CACHE_REVERSE;
typedef struct DNS_RESOLVER DNS_RESOLVER;
typedef struct DNS_RESOLVER_REVERSE DNS_RESOLVER_REVERSE;
#endif // MAYATYPE_H

File diff suppressed because it is too large Load Diff

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@ -27,20 +27,14 @@ struct DYN_VALUE
#define MAX_HOST_NAME_LEN 255 // Maximum length of the host name
#define TIMEOUT_GETIP 2300
#define TIMEOUT_INFINITE (0x7fffffff)
#define TIMEOUT_TCP_PORT_CHECK (10 * 1000)
#define TIMEOUT_SSL_CONNECT (15 * 1000)
#define TIMEOUT_HOSTNAME (500)
#define TIMEOUT_NETBIOS_HOSTNAME (100)
#define EXPIRES_HOSTNAME (10 * 60 * 1000)
#define SOCKET_BUFFER_SIZE 0x10000000
#define IPV6_DUMMY_FOR_IPV4 0xFEFFFFDF
#define UDPLISTENER_CHECK_INTERVAL 1000ULL
#define UDPLISTENER_WAIT_INTERVAL 1234
@ -48,12 +42,6 @@ struct DYN_VALUE
#define MAX_NUM_IGNORE_ERRORS 1024
#ifndef USE_STRATEGY_LOW_MEMORY
#define DEFAULT_GETIP_THREAD_MAX_NUM 512
#else // USE_STRATEGY_LOW_MEMORY
#define DEFAULT_GETIP_THREAD_MAX_NUM 64
#endif // USE_STRATEGY_LOW_MEMORY
#define DEFAULT_CIPHER_LIST "ECDHE+AESGCM:ECDHE+CHACHA20:DHE+AESGCM:DHE+CHACHA20:ECDHE+AES256:DHE+AES256:RSA+AES"
// SSL logging function
@ -115,14 +103,6 @@ struct IPV6_ADDR
#define IPV6_ADDR_ZERO 128 // All zeros
#define IPV6_ADDR_LOOPBACK 256 // Loop-back
// DNS cache list
struct DNSCACHE
{
char *HostName;
IP IpAddress;
};
// Client list
struct IP_CLIENT
{
@ -328,15 +308,6 @@ struct ICMP_RESULT
IP IpAddress; // IP address
};
// Host name cache list
typedef struct HOSTCACHE
{
UINT64 Expires; // Expiration
IP IpAddress; // IP address
char HostName[256]; // Host name
} HOSTCACHE;
// NETBIOS name requests
typedef struct NBTREQUEST
{
@ -376,17 +347,6 @@ typedef struct SOCKET_TIMEOUT_PARAM {
bool unblocked;
} SOCKET_TIMEOUT_PARAM;
// Parameters for GetIP thread
struct GETIP_THREAD_PARAM
{
REF *Ref;
char HostName[MAX_PATH];
bool IPv6;
UINT Timeout;
IP Ip;
bool Ok;
};
// Parameters for the IP address release thread
struct WIN32_RELEASEADDRESS_THREAD_PARAM
{
@ -900,7 +860,6 @@ bool GetSniNameFromSslPacket(UCHAR *packet_buf, UINT packet_size, char *sni, UIN
void SetDhParam(DH_CTX *dh);
bool IsUseDnsProxy();
bool IsUseAlternativeHostname();
#ifdef OS_WIN32
@ -1066,18 +1025,7 @@ void UnixSetSocketNonBlockingMode(int fd, bool nonblock);
// Function prototype
void InitNetwork();
void FreeNetwork();
void InitDnsCache();
void FreeDnsCache();
void LockDnsCache();
void UnlockDnsCache();
int CompareDnsCache(void *p1, void *p2);
void GenDnsCacheKeyName(char *dst, UINT size, char *src, bool ipv6);
void NewDnsCacheEx(char *hostname, IP *ip, bool ipv6);
DNSCACHE *FindDnsCacheEx(char *hostname, bool ipv6);
bool QueryDnsCacheEx(IP *ip, char *hostname, bool ipv6);
void NewDnsCache(char *hostname, IP *ip);
DNSCACHE *FindDnsCache(char *hostname);
bool QueryDnsCache(IP *ip, char *hostname);
void InAddrToIP(IP *ip, struct in_addr *addr);
void InAddrToIP6(IP *ip, struct in6_addr *addr);
void IPToInAddr(struct in_addr *addr, IP *ip);
@ -1090,24 +1038,7 @@ void IPToStr32(char *str, UINT size, UINT ip);
void IPToStr4or6(char *str, UINT size, UINT ip_4_uint, UCHAR *ip_6_bytes);
void IPToUniStr(wchar_t *str, UINT size, IP *ip);
void IPToUniStr32(wchar_t *str, UINT size, UINT ip);
bool GetIPEx(IP *ip, char *hostname, bool ipv6);
bool GetIP46Ex(IP *ip4, IP *ip6, char *hostname, UINT timeout, bool *cancel);
bool GetIP(IP *ip, char *hostname);
bool GetIP4(IP *ip, char *hostname);
bool GetIP6(IP *ip, char *hostname);
bool GetIP4Ex(IP *ip, char *hostname, UINT timeout, bool *cancel);
bool GetIP6Ex(IP *ip, char *hostname, UINT timeout, bool *cancel);
bool GetIP4Ex6Ex(IP *ip, char *hostname, UINT timeout, bool ipv6, bool *cancel);
bool GetIP4Ex6Ex2(IP *ip, char *hostname, UINT timeout, bool ipv6, bool *cancel, bool only_direct_dns);
void GetIP4Ex6ExThread(THREAD *t, void *param);
void ReleaseGetIPThreadParam(GETIP_THREAD_PARAM *p);
void CleanupGetIPThreadParam(GETIP_THREAD_PARAM *p);
bool GetIP4Inner(IP *ip, char *hostname);
bool GetIP6Inner(IP *ip, char *hostname);
bool GetHostNameInner(char *hostname, UINT size, IP *ip);
bool GetHostNameInner6(char *hostname, UINT size, IP *ip);
bool GetHostName(char *hostname, UINT size, IP *ip);
void GetHostNameThread(THREAD *t, void *p);
void GetMachineName(char *name, UINT size);
void GetMachineNameEx(char *name, UINT size, bool no_load_hosts);
bool GetMachineNameFromHosts(char *name, UINT size);
@ -1212,11 +1143,6 @@ void InitWaitThread();
void FreeWaitThread();
void AddWaitThread(THREAD *t);
void DelWaitThread(THREAD *t);
void InitHostCache();
void FreeHostCache();
int CompareHostCache(void *p1, void *p2);
void AddHostCache(IP *ip, char *hostname);
bool GetHostCache(char *hostname, UINT size, IP *ip);
bool IsSubnetMask(IP *ip);
bool IsSubnetMask4(IP *ip);
bool IsSubnetMask32(UINT ip);
@ -1245,9 +1171,6 @@ IP_CLIENT *SearchIpClient(IP *ip);
UINT GetNumIpClient(IP *ip);
void SetLinuxArpFilter();
int connect_timeout(SOCKET s, struct sockaddr *addr, int size, int timeout, bool *cancel_flag);
void EnableNetworkNameCache();
void DisableNetworkNameCache();
bool IsNetworkNameCacheEnabled();
ROUTE_CHANGE *NewRouteChange();
void FreeRouteChange(ROUTE_CHANGE *r);
bool IsRouteChanged(ROUTE_CHANGE *r);
@ -1466,10 +1389,6 @@ QUERYIPTHREAD *NewQueryIpThread(char *hostname, UINT interval_last_ok, UINT inte
bool GetQueryIpThreadResult(QUERYIPTHREAD *t, IP *ip);
void FreeQueryIpThread(QUERYIPTHREAD *t);
void SetGetIpThreadMaxNum(UINT num);
UINT GetGetIpThreadMaxNum();
UINT GetCurrentGetIpThreadNum();
#ifdef OS_WIN32
LIST *Win32GetNicList();
#endif // OS_WIN32

View File

@ -3,6 +3,7 @@
// TODO: Mayaqua should not depend on Cedar.
#include "Cedar/WinUi.h"
#include "DNS.h"
#include "Memory.h"
#include "Str.h"
@ -550,8 +551,8 @@ UINT ProxySocks4Connect(PROXY_PARAM_OUT *out, PROXY_PARAM_IN *in, volatile bool
Zero(out, sizeof(PROXY_PARAM_OUT));
// Get the IP address of the destination server
if (GetIP(&target_ip, in->TargetHostname) == false)
// Get the IPv4 address of the destination server (SOCKS4 does not support IPv6).
if (GetIP4(&target_ip, in->TargetHostname) == false)
{
return PROXY_ERROR_CONNECTION;
}

View File

@ -8,6 +8,7 @@
#include "Table.h"
#include "Cfg.h"
#include "DNS.h"
#include "FileIO.h"
#include "Internat.h"
#include "Mayaqua.h"
@ -1206,9 +1207,9 @@ bool LoadUnicodeCache(wchar_t *strfilename, UINT strfilesize, UCHAR *hash)
Zero(&c, sizeof(c));
UniToStr(c.StrFileName, sizeof(c.StrFileName), strfilename);
c.StrFileSize = strfilesize;
DisableNetworkNameCache();
DnsCacheToggle(false);
GetMachineName(c.MachineName, sizeof(c.MachineName));
EnableNetworkNameCache();
DnsCacheToggle(true);
c.OsType = GetOsInfo()->OsType;
Copy(c.hash, hash, MD5_SIZE);