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htslib.h
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/* ------------------------------------------------------------ */
/*
HTTrack Website Copier, Offline Browser for Windows and Unix
Copyright (C) Xavier Roche and other contributors
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or any later version.
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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Important notes:
- We hereby ask people using this source NOT to use it in purpose of grabbing
emails addresses, or collecting any other private information on persons.
This would disgrace our work, and spoil the many hours we spent on it.
Please visit our Website: http://www.httrack.com
*/
/* ------------------------------------------------------------ */
/* File: Subroutines .h */
/* Author: Xavier Roche */
/* ------------------------------------------------------------ */
// Fichier librairie .h
#ifndef HTS_DEFH
#define HTS_DEFH
/* dΘfinitions globales */
#include "htsglobal.h"
/* basic net definitions */
#include "htsbasenet.h"
/* cookies et auth */
#include "htsbauth.h"
// Attention, dΘfinition existante Θgalement dans le shell
// (α modifier avec celle-ci)
#define POSTTOK "?>post"
#include <stdio.h>
#include "htsopt.h"
// structure pour paramΦtres supplΘmentaires lors de la requΩte
typedef struct {
short int user_agent_send; // user agent (ex: httrack/1.0 [sun])
short int http11; // l'en tΩte peut (doit) Ωtre signΘ HTTP/1.1 et non HTTP/1.0
short int range_used; // Range utilisΘ
short int nocompression; // Pas de compression
char user_agent[64];
char lang_iso[64];
t_proxy proxy; // proxy
} htsrequest;
// structure pour retour d'une connexion/prise d'en tΩte
typedef struct {
int statuscode; // status-code, -1=erreur, 200=OK,201=..etc (cf RFC1945)
short int notmodified; // page ou fichier NON modifiΘ (transfΘrΘ)
short int is_write; // sortie sur disque (out) ou en mΘmoire (adr)
short int is_chunk; // mode chunk
short int compressed; // compressΘ?
char* adr; // adresse du bloc de mΘmoire, NULL=vide
FILE* out; // Θcriture directe sur disque (si is_write=1)
LLint size; // taille fichier
char msg[80]; // message Θventuel si Θchec ("\0"=non prΘcisΘ)
char contenttype[64]; // content-type ("text/html" par exemple)
char contentencoding[64]; // content-encoding ("gzip" par exemple)
char* location; // on copie dedans Θventuellement la vΘritable 'location'
LLint totalsize; // taille totale α tΘlΘcharger (-1=inconnue)
short int is_file; // ce n'est pas une socket mais un descripteur de fichier si 1
T_SOC soc; // ID socket
FILE* fp; // fichier pour file://
#if HTS_USEOPENSSL
short int ssl; // is this connection a SSL one? (https)
// BIO* ssl_soc; // SSL structure
SSL * ssl_con; // connection structure
#endif
char lastmodified[64]; // Last-Modified
char etag[64]; // Etag
char cdispo[256]; // Content-Disposition coupΘ
LLint crange; // Content-Range
/* */
htsrequest req; // paramΦtres pour la requΩte
/*char digest[32+2]; // digest md5 gΘnΘrΘ par le moteur ("" si non gΘnΘrΘ)*/
} htsblk;
/* ANCIENNE STURCTURE pour cache 1.0 */
typedef struct {
int statuscode; // ANCIENNE STURCTURE - status-code, -1=erreur, 200=OK,201=..etc (cf RFC1945)
int notmodified; // ANCIENNE STURCTURE - page ou fichier NON modifiΘ (transfΘrΘ)
int is_write; // ANCIENNE STURCTURE - sortie sur disque (out) ou en mΘmoire (adr)
char* adr; // ANCIENNE STURCTURE - adresse du bloc de mΘmoire, NULL=vide
FILE* out; // ANCIENNE STURCTURE - Θcriture directe sur disque (si is_write=1)
int size; // ANCIENNE STURCTURE - taille fichier
char msg[80]; // ANCIENNE STURCTURE - message Θventuel si Θchec ("\0"=non prΘcisΘ)
char contenttype[64]; // ANCIENNE STURCTURE - content-type ("text/html" par exemple)
char* location; // ANCIENNE STURCTURE - on copie dedans Θventuellement la vΘritable 'location'
int totalsize; // ANCIENNE STURCTURE - taille totale α tΘlΘcharger (-1=inconnue)
int is_file; // ANCIENNE STURCTURE - ce n'est pas une socket mais un descripteur de fichier si 1
T_SOC soc; // ANCIENNE STURCTURE - ID socket
FILE* fp; // ANCIENNE STURCTURE - fichier pour file://
t_proxy proxy; // ANCIENNE STURCTURE - proxy
int user_agent_send; // ANCIENNE STURCTURE - user agent (ex: httrack/1.0 [sun])
char user_agent[64];
int http11; // ANCIENNE STURCTURE - l'en tΩte doit Ωtre signΘ HTTP/1.1 et non HTTP/1.0
} OLD_htsblk;
/* fin ANCIENNE STURCTURE pour cache 1.0 */
// cache pour le dns, pour Θviter de faire des gethostbyname sans arrΩt
typedef struct t_dnscache {
char iadr[1024];
struct t_dnscache* n;
char host_addr[HTS_MAXADDRLEN]; // 4 octets (v4), ou 16 octets (v6)
int host_length; // 4 normalement - ==0 alors en cours de rΘsolution
// ou >16 si sockaddr
// ==-1 alors erreur (host n'Θxiste pas)
} t_dnscache;
/*
#ifdef __cplusplus
extern "C" {
#endif
*/
// fonctions unix/winsock
int hts_read(htsblk* r,char* buff,int size);
//int HTS_TOTAL_RECV_CHECK(int var);
LLint check_downloadable_bytes(int rate);
int hts_init(void);
int hts_uninit(void);
// fonctions principales
int http_fopen(char* adr,char* fil,htsblk* retour);
int http_xfopen(int mode,int treat,int waitconnect,char* xsend,char* adr,char* fil,htsblk* retour);
int http_sendhead(t_cookie* cookie,int mode,char* xsend,char* adr,char* fil,char* referer_adr,char* referer_fil,htsblk* retour);
htsblk httpget(char* url);
//int newhttp(char* iadr,char* err=NULL);
int newhttp(char* iadr,htsblk* retour,int port,int waitconnect);
HTS_INLINE void deletehttp(htsblk* r);
HTS_INLINE void deletesoc(T_SOC soc);
HTS_INLINE void deletesoc_r(htsblk* r);
htsblk http_location(char* adr,char* fil,char* loc);
htsblk http_test(char* adr,char* fil,char* loc);
int check_readinput(htsblk* r);
void http_fread(T_SOC soc,htsblk* retour);
LLint http_fread1(htsblk* r);
void treathead(t_cookie* cookie,char* adr,char* fil,htsblk* retour,char* rcvd);
void treatfirstline(htsblk* retour,char* rcvd);
void infostatuscode(char* msg,int statuscode);
// sous-fonctions
htsblk xhttpget(char* adr,char* fil);
htsblk http_gethead(char* adr,char* fil);
LLint http_xfread1(htsblk* r,int bufl);
HTS_INLINE t_hostent* hts_gethostbyname(char* iadr, void* v_buffer);
t_hostent* vxgethostbyname(char* hostname, void* v_buffer);
t_hostent* _hts_ghbn(t_dnscache* cache,char* iadr,t_hostent* retour);
int ftp_available(void);
#if HTS_DNSCACHE
int hts_dnstest(char* _iadr);
t_dnscache* _hts_cache(void);
int _hts_lockdns(int i);
#endif
// outils divers
HTS_INLINE TStamp time_local(void);
HTS_INLINE TStamp mtime_local(void);
void sec2str(char *s,TStamp t);
void qsec2str(char *st,TStamp t);
void time_gmt_rfc822(char* s);
void time_local_rfc822(char* s);
struct tm* convert_time_rfc822(char* s);
int set_filetime(char* file,struct tm* tm_time);
int set_filetime_rfc822(char* file,char* date);
HTS_INLINE void time_rfc822(char* s,struct tm * A);
HTS_INLINE void time_rfc822_local(char* s,struct tm * A);
char* int2char(int n);
char* int2bytes(LLint n);
char* int2bytessec(long int n);
char** int2bytes2(LLint n);
HTS_INLINE int sendc(htsblk* r, char* s);
void finput(int fd,char* s,int max);
int binput(char* buff,char* s,int max);
int linput(FILE* fp,char* s,int max);
int linput_trim(FILE* fp,char* s,int max);
int linput_cpp(FILE* fp,char* s,int max);
void rawlinput(FILE* fp,char* s,int max);
int strfield(const char* f,const char* s);
#define strfield2(f,s) ( (strlen(f)!=strlen(s)) ? 0 : (strfield(f,s)) )
char* strstrcase(char *s,char *o);
int ident_url_absolute(char* url,char* adr,char* fil);
void fil_simplifie(char* f);
int is_unicode_utf8(unsigned char* buffer, unsigned int size);
int ishtml(char* urlfil);
int ishtml_ext(char* a);
int ishttperror(int err);
void guess_httptype(char *s,char *fil);
void get_httptype(char *s,char *fil,int flag);
int get_userhttptype(int setdefs,char *s,char *ext);
void give_mimext(char *s,char *st);
int is_knowntype(char *fil);
int is_userknowntype(char *fil);
int is_dyntype(char *fil);
char* get_ext(char *fil);
int may_unknown(char* st);
char* jump_identification(char*);
char* jump_toport(char*);
char* strrchr_limit(char* s, char c, char* limit);
HTS_INLINE char* jump_protocol(char* source);
void code64(char* a,char* b);
void unescape_amp(char* s);
void escape_spc_url(char* s);
void escape_in_url(char* s);
void escape_uri(char* s);
void escape_uri_utf(char* s);
void escape_check_url(char* s);
char* escape_check_url_addr(char* s);
void x_escape_http(char* s,int mode);
HTS_INLINE int ehexh(char c);
char* unescape_http(char* s);
char* unescape_http_unharm(char* s, int no_high);
char* antislash_unescaped(char* s);
int ehex(char* s);
char* concat(const char* a,const char* b);
#define copychar(a) concat((a),NULL)
#if HTS_DOSNAME
char* fconcat(char* a,char* b);
char* fconv(char* a);
#else
#define fconv(a) (a)
#define fconcat(a,b) concat(a,b)
#endif
char* fslash(char* a);
char* __fslash(char* a);
char* convtolower(char* a);
char* concat(const char* a,const char* b);
void hts_lowcase(char* s);
void hts_replace(char *s,char from,char to);
/* Spaces: CR,LF,TAB,FF */
#define is_space(c) ( ((c)==' ') || ((c)=='\"') || ((c)==10) || ((c)==13) || ((c)==9) || ((c)==12) || ((c)=='\'') )
#define is_realspace(c) ( ((c)==' ') || ((c)==10) || ((c)==13) || ((c)==9) || ((c)==12) )
#define is_taborspace(c) ( ((c)==' ') || ((c)==9) )
#define is_quote(c) ( ((c)=='\"') || ((c)=='\'') )
//HTS_INLINE int is_space(char);
//HTS_INLINE int is_realspace(char);
void fprintfio(FILE* fp,char* buff,char* prefix);
#if HTS_WIN
#else
int sig_ignore_flag( int setflag ); // flag ignore
#endif
void cut_path(char* fullpath,char* path,char* pname);
int fexist(char* s);
/*LLint fsize(char* s); */
int fpsize(FILE* fp);
int fsize(char* s);
/* root dir */
char* hts_rootdir(char* file);
// Threads
#if USE_PTHREAD
typedef void* ( *beginthread_type )( void * );
unsigned long _beginthread( beginthread_type start_address, unsigned stack_size, void *arglist );
#endif
/*
#ifdef __cplusplus
}
#endif
*/
/* variables globales */
//extern LLint HTS_TOTAL_RECV; // flux entrant reτu
//extern int HTS_TOTAL_RECV_STATE; // status: 0 tout va bien 1: ralentir un peu 2: ralentir 3: beaucoup
extern hts_stat_struct HTS_STAT;
extern int _DEBUG_HEAD;
extern FILE* ioinfo;
/* constantes */
extern const char hts_mime_keep[][32];
extern const char hts_mime[][2][32];
extern const char hts_detect[][32];
extern const char hts_detectbeg[][32];
extern const char hts_nodetect[][32];
extern const char hts_detectURL[][32];
extern const char hts_detectandleave[][32];
extern const char hts_detect_js[][32];
// defaut wrappers
void __cdecl htsdefault_init(void);
void __cdecl htsdefault_uninit(void);
int __cdecl htsdefault_start(void* opt);
int __cdecl htsdefault_chopt(void* opt);
int __cdecl htsdefault_end(void);
int __cdecl htsdefault_checkhtml(char* html,int len,char* url_adresse,char* url_fichier);
int __cdecl htsdefault_loop(void* back,int back_max,int back_index,int lien_n,int lien_tot,int stat_time,hts_stat_struct* stats);
char* __cdecl htsdefault_query(char* question);
char* __cdecl htsdefault_query2(char* question);
char* __cdecl htsdefault_query3(char* question);
int __cdecl htsdefault_check(char* adr,char* fil,int status);
void __cdecl htsdefault_pause(char* lockfile);
void __cdecl htsdefault_filesave(char*);
int __cdecl htsdefault_linkdetected(char* link);
int __cdecl htsdefault_xfrstatus(void* back);
int __cdecl htsdefault_savename(char* adr_complete,char* fil_complete,char* referer_adr,char* referer_fil,char* save);
// end defaut wrappers
#endif