mirror of
https://github.com/3proxy/3proxy.git
synced 2025-02-23 18:45:40 +08:00
354 lines
11 KiB
C
354 lines
11 KiB
C
/*
|
|
3APA3A simpliest proxy server
|
|
(c) 2002-2016 by Vladimir Dubrovin <3proxy@3proxy.ru>
|
|
|
|
please read License Agreement
|
|
|
|
*/
|
|
|
|
#define COPYRIGHT "(c)3APA3A, Vladimir Dubrovin & 3proxy.ru\n"\
|
|
"Documentation and sources: http://3proxy.ru/\n"\
|
|
"Please read license agreement in \'copying\' file.\n"\
|
|
"You may not use this program without accepting license agreement"
|
|
|
|
|
|
#ifndef _3PROXY_H_
|
|
#define _3PROXY_H_
|
|
#include "version.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <time.h>
|
|
|
|
|
|
#define MAXUSERNAME 128
|
|
#define _PASSWORD_LEN 256
|
|
#define MAXNSERVERS 5
|
|
|
|
#define UDPBUFSIZE 16384
|
|
#define TCPBUFSIZE 8192
|
|
#define SRVBUFSIZE (param->srv->bufsize?param->srv->bufsize:((param->service == S_UDPPM)?UDPBUFSIZE:TCPBUFSIZE))
|
|
|
|
|
|
#ifdef _WIN32
|
|
#include <winsock2.h>
|
|
#include <sys/timeb.h>
|
|
#ifndef _WINCE
|
|
#include <io.h>
|
|
#else
|
|
#include <sys/unistd.h>
|
|
#endif
|
|
#include <process.h>
|
|
#define SASIZETYPE int
|
|
#define SHUT_RDWR SD_BOTH
|
|
#else
|
|
#ifndef FD_SETSIZE
|
|
#define FD_SETSIZE 4096
|
|
#endif
|
|
#include <signal.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
#include <pthread.h>
|
|
#include <syslog.h>
|
|
#include <errno.h>
|
|
#endif
|
|
|
|
#ifdef __CYGWIN__
|
|
#include <windows.h>
|
|
#define daemonize() FreeConsole()
|
|
#define SLEEPTIME 1000
|
|
#undef _WIN32
|
|
#elif _WIN32
|
|
#ifdef errno
|
|
#undef errno
|
|
#endif
|
|
#define errno WSAGetLastError()
|
|
#ifdef EAGAIN
|
|
#undef EAGAIN
|
|
#endif
|
|
#define EAGAIN WSAEWOULDBLOCK
|
|
#ifdef EINTR
|
|
#undef EINTR
|
|
#endif
|
|
#ifndef EINPROGRESS
|
|
#define EINPROGRESS WSAEWOULDBLOCK
|
|
#endif
|
|
#define EINTR WSAEWOULDBLOCK
|
|
#define SLEEPTIME 1
|
|
#define usleep Sleep
|
|
#define pthread_self GetCurrentThreadId
|
|
#define getpid GetCurrentProcessId
|
|
#define pthread_t unsigned
|
|
#ifndef _WINCE
|
|
#define daemonize() FreeConsole()
|
|
#else
|
|
#define daemonize()
|
|
#endif
|
|
#define socket(x, y, z) WSASocket(x, y, z, NULL, 0, 0)
|
|
#define accept(x, y, z) WSAAccept(x, y, z, NULL, 0)
|
|
#define ftruncate chsize
|
|
#else
|
|
#include <pthread.h>
|
|
#ifndef PTHREAD_STACK_MIN
|
|
#define PTHREAD_STACK_MIN 32768
|
|
#define sockerror strerror
|
|
#endif
|
|
void daemonize(void);
|
|
#define SLEEPTIME 1000
|
|
#ifndef O_BINARY
|
|
#define O_BINARY 0
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef NOODBC
|
|
#ifndef _WIN32
|
|
#include <sqltypes.h>
|
|
#endif
|
|
#include <sql.h>
|
|
#include <sqlext.h>
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
#define strcasecmp stricmp
|
|
#define strncasecmp strnicmp
|
|
#endif
|
|
|
|
#ifndef SOCKET_ERROR
|
|
#define SOCKET_ERROR -1
|
|
#endif
|
|
|
|
#ifndef isnumber
|
|
#define isnumber(n) (n >= '0' && n <= '9')
|
|
#endif
|
|
|
|
#ifndef ishex
|
|
#define ishex(n) ((n >= '0' && n <= '9') || (n >= 'a' && n<='f') || (n >= 'A' && n <= 'F'))
|
|
#endif
|
|
|
|
#define isallowed(n) ((n >= '0' && n <= '9') || (n >= 'a' && n <= 'z') || (n >= 'A' && n <= 'Z') || (n >= '*' && n <= '/') || n == '_')
|
|
|
|
#include "structures.h"
|
|
|
|
#define MAXRADIUS 5
|
|
|
|
#define DEFLOGFORMAT "G%y%m%d%H%M%S.%. %p %E %U %C:%c %R:%r %O %I %h %T"
|
|
|
|
#define myalloc malloc
|
|
#define myfree free
|
|
#define myrealloc realloc
|
|
#define mystrdup strdup
|
|
|
|
extern RESOLVFUNC resolvfunc;
|
|
|
|
extern int wday;
|
|
extern time_t basetime;
|
|
extern int timetoexit;
|
|
|
|
extern struct extparam conf;
|
|
|
|
int sockmap(struct clientparam * param, int timeo, int usesplice);
|
|
int socksend(SOCKET sock, unsigned char * buf, int bufsize, int to);
|
|
int socksendto(SOCKET sock, struct sockaddr * sin, unsigned char * buf, int bufsize, int to);
|
|
int sockrecvfrom(SOCKET sock, struct sockaddr * sin, unsigned char * buf, int bufsize, int to);
|
|
|
|
|
|
int sockgetcharcli(struct clientparam * param, int timeosec, int timeousec);
|
|
int sockgetcharsrv(struct clientparam * param, int timeosec, int timeousec);
|
|
int sockfillbuffcli(struct clientparam * param, unsigned long size, int timeosec);
|
|
int sockfillbuffsrv(struct clientparam * param, unsigned long size, int timeosec);
|
|
|
|
int sockgetlinebuf(struct clientparam * param, DIRECTION which, unsigned char * buf, int bufsize, int delim, int to);
|
|
|
|
|
|
|
|
|
|
void dolog(struct clientparam * param, const unsigned char *s);
|
|
int dobuf(struct clientparam * param, unsigned char * buf, const unsigned char *s, const unsigned char * doublec);
|
|
int dobuf2(struct clientparam * param, unsigned char * buf, const unsigned char *s, const unsigned char * doublec, struct tm* tm, char * format);
|
|
extern FILE * stdlog;
|
|
void logstdout(struct clientparam * param, const unsigned char *s);
|
|
void logsyslog(struct clientparam * param, const unsigned char *s);
|
|
void lognone(struct clientparam * param, const unsigned char *s);
|
|
void logradius(struct clientparam * param, const unsigned char *s);
|
|
|
|
#ifndef NOSQL
|
|
void logsql(struct clientparam * param, const unsigned char *s);
|
|
int init_sql(char * s);
|
|
void close_sql();
|
|
#endif
|
|
int doconnect(struct clientparam * param);
|
|
int alwaysauth(struct clientparam * param);
|
|
int ipauth(struct clientparam * param);
|
|
int doauth(struct clientparam * param);
|
|
int strongauth(struct clientparam * param);
|
|
void trafcountfunc(struct clientparam *param);
|
|
unsigned bandlimitfunc(struct clientparam *param, unsigned nbytesin, unsigned nbytesout);
|
|
|
|
|
|
int scanaddr(const unsigned char *s, unsigned long * ip, unsigned long * mask);
|
|
int myinet_ntop(int af, void *src, char *dst, socklen_t size);
|
|
extern struct nserver nservers[MAXNSERVERS];
|
|
extern struct nserver authnserver;
|
|
unsigned long getip(unsigned char *name);
|
|
unsigned long getip46(int family, unsigned char *name, struct sockaddr *sa);
|
|
int afdetect(unsigned char *name);
|
|
unsigned long myresolver(int, unsigned char *, unsigned char *);
|
|
unsigned long fakeresolver (int, unsigned char *, unsigned char*);
|
|
int inithashtable(struct hashtable *hashtable, unsigned nhashsize);
|
|
void freeparam(struct clientparam * param);
|
|
void clearstat(struct clientparam * param);
|
|
void dumpcounters(struct trafcount *tl, int counterd);
|
|
|
|
int startconnlims (struct clientparam *param);
|
|
void stopconnlims (struct clientparam *param);
|
|
|
|
|
|
|
|
extern struct auth authfuncs[];
|
|
|
|
int reload (void);
|
|
extern int paused;
|
|
extern int demon;
|
|
|
|
unsigned char * mycrypt(const unsigned char *key, const unsigned char *salt, unsigned char *buf);
|
|
unsigned char * ntpwdhash (unsigned char *szHash, const unsigned char *szPassword, int tohex);
|
|
int de64 (const unsigned char *in, unsigned char *out, int maxlen);
|
|
unsigned char* en64 (const unsigned char *in, unsigned char *out, int inlen);
|
|
void tohex(unsigned char *in, unsigned char *out, int len);
|
|
void fromhex(unsigned char *in, unsigned char *out, int len);
|
|
|
|
|
|
|
|
int ftplogin(struct clientparam *param, char *buf, int *inbuf);
|
|
int ftpcd(struct clientparam *param, unsigned char* path, char *buf, int *inbuf);
|
|
int ftpsyst(struct clientparam *param, unsigned char *buf, unsigned len);
|
|
int ftppwd(struct clientparam *param, unsigned char *buf, unsigned len);
|
|
int ftptype(struct clientparam *param, unsigned char* f_type);
|
|
int ftpres(struct clientparam *param, unsigned char * buf, int len);
|
|
SOCKET ftpcommand(struct clientparam *param, unsigned char * command, unsigned char *arg);
|
|
|
|
|
|
int text2unicode(const char * text, char * buf, int buflen);
|
|
void unicode2text(const char *unicode, char * buf, int len);
|
|
void genchallenge(struct clientparam *param, char * challenge, char *buf);
|
|
void mschap(const unsigned char *win_password,
|
|
const unsigned char *challenge, unsigned char *response);
|
|
|
|
struct hashtable;
|
|
void hashadd(struct hashtable *ht, const unsigned char* name, unsigned char* value, time_t expires);
|
|
|
|
int parsehost(int family, unsigned char *host, struct sockaddr *sa);
|
|
int parsehostname(char *hostname, struct clientparam *param, unsigned short port);
|
|
int parseusername(char *username, struct clientparam *param, int extpasswd);
|
|
int parseconnusername(char *username, struct clientparam *param, int extpasswd, unsigned short port);
|
|
int ACLmatches(struct ace* acentry, struct clientparam * param);
|
|
int checkACL(struct clientparam * param);
|
|
extern int havelog;
|
|
unsigned long udpresolve(int af, unsigned char * name, unsigned char * value, unsigned *retttl, struct clientparam* param, int makeauth);
|
|
|
|
struct ace * copyacl (struct ace *ac);
|
|
struct auth * copyauth (struct auth *);
|
|
void * itfree(void *data, void * retval);
|
|
void freeacl(struct ace *ac);
|
|
void freeauth(struct auth *);
|
|
void freefilter(struct filter *filter);
|
|
void freeconf(struct extparam *confp);
|
|
struct passwords * copypwl (struct passwords *pwl);
|
|
void freepwl(struct passwords *pw);
|
|
void copyfilter(struct filter *, struct srvparam *srv);
|
|
FILTER_ACTION makefilters (struct srvparam *srv, struct clientparam *param);
|
|
FILTER_ACTION handlereqfilters(struct clientparam *param, unsigned char ** buf_p, int * bufsize_p, int offset, int * length_p);
|
|
FILTER_ACTION handlehdrfilterscli(struct clientparam *param, unsigned char ** buf_p, int * bufsize_p, int offset, int * length_p);
|
|
FILTER_ACTION handlehdrfilterssrv(struct clientparam *param, unsigned char ** buf_p, int * bufsize_p, int offset, int * length_p);
|
|
FILTER_ACTION handlepredatflt(struct clientparam *param);
|
|
FILTER_ACTION handledatfltcli(struct clientparam *param, unsigned char ** buf_p, int * bufsize_p, int offset, int * length_p);
|
|
FILTER_ACTION handledatfltsrv(struct clientparam *param, unsigned char ** buf_p, int * bufsize_p, int offset, int * length_p);
|
|
|
|
void srvinit(struct srvparam * srv, struct clientparam *param);
|
|
void srvinit2(struct srvparam * srv, struct clientparam *param);
|
|
void srvfree(struct srvparam * srv);
|
|
unsigned char * dologname (unsigned char *buf, unsigned char *name, const unsigned char *ext, ROTATION lt, time_t t);
|
|
int readconfig(FILE * fp);
|
|
int connectwithpoll(SOCKET sock, struct sockaddr *sa, SASIZETYPE size, int to);
|
|
|
|
|
|
int myrand(void * entropy, int len);
|
|
|
|
extern char *copyright;
|
|
|
|
|
|
#define SERVICES 5
|
|
|
|
void * dnsprchild(struct clientparam * param);
|
|
void * pop3pchild(struct clientparam * param);
|
|
void * smtppchild(struct clientparam * param);
|
|
void * proxychild(struct clientparam * param);
|
|
void * sockschild(struct clientparam * param);
|
|
void * tcppmchild(struct clientparam * param);
|
|
void * udppmchild(struct clientparam * param);
|
|
void * adminchild(struct clientparam * param);
|
|
void * ftpprchild(struct clientparam * param);
|
|
|
|
|
|
struct datatype;
|
|
struct dictionary;
|
|
struct node;
|
|
struct property;
|
|
extern pthread_mutex_t config_mutex;
|
|
extern pthread_mutex_t bandlim_mutex;
|
|
extern pthread_mutex_t connlim_mutex;
|
|
extern pthread_mutex_t hash_mutex;
|
|
extern pthread_mutex_t tc_mutex;
|
|
extern pthread_mutex_t pwl_mutex;
|
|
extern pthread_mutex_t log_mutex;
|
|
extern pthread_mutex_t rad_mutex;
|
|
extern struct datatype datatypes[64];
|
|
|
|
extern struct commands commandhandlers[];
|
|
|
|
#ifdef WITHSPLICE
|
|
#define mapsocket(a,b) ((a->srv->usesplice && !a->ndatfilterssrv && !a->ndatfilterscli)?sockmap(a,b,1):sockmap(a,b,0))
|
|
#else
|
|
#define mapsocket(a,b) sockmap(a,b, 0)
|
|
#endif
|
|
|
|
|
|
extern struct radserver {
|
|
#ifdef NOIPV6
|
|
struct sockaddr_in authaddr, logaddr, localaddr;
|
|
#else
|
|
struct sockaddr_in6 authaddr, logaddr, localaddr;
|
|
#endif
|
|
/*
|
|
SOCKET logsock;
|
|
*/
|
|
} radiuslist[MAXRADIUS];
|
|
|
|
extern char radiussecret[64];
|
|
extern int nradservers;
|
|
extern struct socketoptions {
|
|
int opt;
|
|
char * optname;
|
|
} sockopts[];
|
|
void setopts(SOCKET s, int opts);
|
|
char * printopts(char *sep);
|
|
|
|
#ifdef _WINCE
|
|
char * CEToUnicode (const char *str);
|
|
int cesystem(const char *str);
|
|
int ceparseargs(const char *str);
|
|
extern char * ceargv[32];
|
|
|
|
#define system(S) cesystem(S)
|
|
#endif
|
|
|
|
#define WEBBANNERS 35
|
|
|
|
#endif
|
|
|