./proxy/store.c
/* ------------------------------------------------------------ */
/*
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.
Please visit our Website: http://www.httrack.com
*/
/* Parts (inside ARC format routines) by Lars Clausen (lc@statsbiblioteket.dk) */
/* ------------------------------------------------------------ */
/* File: Cache manager for ProxyTrack */
/* Author: Xavier Roche */
/* ------------------------------------------------------------ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
/* Locking */
#ifdef _WIN32
#include <process.h> /* _beginthread, _endthread */
#else
#include <pthread.h>
#endif
#include "htsglobal.h"
#define HTS_INTERNAL_BYTECODE
#include "htsinthash.h"
#include "htsmd5.h"
#undef HTS_INTERNAL_BYTECODE
#include "../minizip/mztools.h"
#include "../minizip/zip.h"
#include "htscore.h"
#include "htsback.h"
#include "store.h"
#include "proxystrings.h"
#include "proxytrack.h"
/* Unlocked functions */
static int PT_LookupCache__New_u(PT_Index index, const char* url);
static PT_Element PT_ReadCache__New_u(PT_Index index, const char* url, int flags);
static int PT_LookupCache__Old_u(PT_Index index, const char* url);
static PT_Element PT_ReadCache__Old_u(PT_Index index, const char* url, int flags);
static int PT_LookupCache__Arc_u(PT_Index index, const char* url);
static PT_Element PT_ReadCache__Arc_u(PT_Index index, const char* url, int flags);
/* Locking */
#ifdef _WIN32
void MutexInit(PT_Mutex *pMutex) {
*pMutex = CreateMutex(NULL,FALSE,NULL);
}
void MutexLock(PT_Mutex *pMutex) {
WaitForSingleObject(*pMutex, INFINITE);
}
void MutexUnlock(PT_Mutex *pMutex) {
ReleaseMutex(*pMutex);
}
void MutexFree(PT_Mutex *pMutex) {
CloseHandle(*pMutex);
*pMutex = NULL;
}
#else
void MutexInit(PT_Mutex *pMutex) {
(void) pthread_mutex_init(pMutex, 0);
}
void MutexLock(PT_Mutex *pMutex) {
pthread_mutex_lock(pMutex);
}
void MutexUnlock(PT_Mutex *pMutex) {
pthread_mutex_unlock(pMutex);
}
void MutexFree(PT_Mutex *pMutex) {
pthread_mutex_destroy(pMutex);
}
#endif
/* Indexes */
typedef struct _PT_Index__New _PT_Index__New;
typedef struct _PT_Index__Old _PT_Index__Old;
typedef struct _PT_Index__Arc _PT_Index__Arc;
typedef struct _PT_Index_Functions _PT_Index_Functions;
typedef struct _PT_Index__New *PT_Index__New;
typedef struct _PT_Index__Old *PT_Index__Old;
typedef struct _PT_Index__Arc *PT_Index__Arc;
typedef struct _PT_Index_Functions *PT_Index_Functions;
enum {
PT_CACHE_UNDEFINED = -1,
PT_CACHE_MIN = 0,
PT_CACHE__NEW = PT_CACHE_MIN,
PT_CACHE__OLD,
PT_CACHE__ARC,
PT_CACHE_MAX = PT_CACHE__ARC
};
static int PT_LoadCache__New(PT_Index index, const char *filename);
static void PT_Index_Delete__New(PT_Index *pindex);
static PT_Element PT_ReadCache__New(PT_Index index, const char* url, int flags);
static int PT_LookupCache__New(PT_Index index, const char* url);
static int PT_SaveCache__New(PT_Indexes indexes, const char *filename);
/**/
static int PT_LoadCache__Old(PT_Index index, const char *filename);
static void PT_Index_Delete__Old(PT_Index *pindex);
static PT_Element PT_ReadCache__Old(PT_Index index, const char* url, int flags);
static int PT_LookupCache__Old(PT_Index index, const char* url);
/**/
static int PT_LoadCache__Arc(PT_Index index, const char *filename);
static void PT_Index_Delete__Arc(PT_Index *pindex);
static PT_Element PT_ReadCache__Arc(PT_Index index, const char* url, int flags);
static int PT_LookupCache__Arc(PT_Index index, const char* url);
static int PT_SaveCache__Arc(PT_Indexes indexes, const char *filename);
struct _PT_Index_Functions {
/* Mandatory services */
int (*PT_LoadCache)(PT_Index index, const char *filename);
void (*PT_Index_Delete)(PT_Index *pindex);
PT_Element (*PT_ReadCache)(PT_Index index, const char* url, int flags);
int (*PT_LookupCache)(PT_Index index, const char* url);
/* Optional services */
int (*PT_SaveCache)(PT_Indexes indexes, const char *filename);
};
static _PT_Index_Functions _IndexFuncts[] = {
{ PT_LoadCache__New, PT_Index_Delete__New, PT_ReadCache__New, PT_LookupCache__New, PT_SaveCache__New },
{ PT_LoadCache__Old, PT_Index_Delete__Old, PT_ReadCache__Old, PT_LookupCache__Old, NULL },
{ PT_LoadCache__Arc, PT_Index_Delete__Arc, PT_ReadCache__Arc, PT_LookupCache__Arc, PT_SaveCache__Arc },
{ NULL, NULL, NULL, NULL }
};
#define PT_INDEX_COMMON_STRUCTURE \
time_t timestamp; \
inthash hash; \
char startUrl[1024]
struct _PT_Index__New {
PT_INDEX_COMMON_STRUCTURE;
char path[1024]; /* either empty, or must include ending / */
int fixedPath;
int safeCache;
unzFile zFile;
PT_Mutex zFileLock;
};
struct _PT_Index__Old {
PT_INDEX_COMMON_STRUCTURE;
char filenameDat[1024];
char filenameNdx[1024];
FILE *dat,*ndx;
PT_Mutex fileLock;
int version;
char lastmodified[1024];
char path[1024]; /* either empty, or must include ending / */
int fixedPath;
int safeCache;
};
struct _PT_Index__Arc {
PT_INDEX_COMMON_STRUCTURE;
FILE *file;
PT_Mutex fileLock;
int version;
char lastmodified[1024];
char line[2048];
char filenameIndexBuff[2048];
};
struct _PT_Index {
int type;
union {
_PT_Index__New formatNew;
_PT_Index__Old formatOld;
_PT_Index__Arc formatArc;
struct {
PT_INDEX_COMMON_STRUCTURE;
} common;
} slots;
};
struct _PT_Indexes {
inthash cil;
struct _PT_Index **index;
int index_size;
};
struct _PT_CacheItem {
time_t lastUsed;
size_t size;
void* data;
};
struct _PT_Cache {
inthash index;
size_t maxSize;
size_t totalSize;
int count;
};
PT_Indexes PT_New(void) {
PT_Indexes index = (PT_Indexes) calloc(sizeof(_PT_Indexes), 1);
index->cil = inthash_new(127);
index->index_size = 0;
index->index = NULL;
return index;
}
void PT_Delete(PT_Indexes index) {
if (index != NULL) {
inthash_delete(&index->cil);
free(index);
}
}
int PT_RemoveIndex(PT_Indexes index, int indexId) {
return 0;
}
#define assertf(exp)
static int binput(char* buff,char* s,int max) {
int count = 0;
int destCount = 0;
// Note: \0 will return 1
while(destCount < max && buff[count] != '\0' && buff[count] != '\n') {
if (buff[count] != '\r') {
s[destCount++] = buff[count];
}
count++;
}
s[destCount] = '\0';
// then return the supplemental jump offset
return count + 1;
}
static time_t file_timestamp(const char* file) {
struct stat buf;
if (stat(file, &buf) == 0) {
time_t tt = buf.st_mtime;
if (tt != (time_t) 0 && tt != (time_t) -1) {
return tt;
}
}
return (time_t) 0;
}
static int PT_Index_Check__(PT_Index index, const char* file, int line) {
if (index == NULL)
return 0;
if (index->type >= PT_CACHE_MIN && index->type <= PT_CACHE_MAX)
return 1;
CRITICAL_("index corrupted in memory", file, line);
return 0;
}
#define SAFE_INDEX(index) PT_Index_Check__(index, __FILE__, __LINE__)
/* ------------------------------------------------------------ */
/* Generic cache dispatch */
/* ------------------------------------------------------------ */
void PT_Index_Delete(PT_Index *pindex) {
if (pindex != NULL && (*pindex) != NULL) {
PT_Index index = *pindex;
if (SAFE_INDEX(index)) {
_IndexFuncts[index->type].PT_Index_Delete(pindex);
}
free(index);
*pindex = NULL;
}
}
static void PT_Index_Delete__New(PT_Index *pindex) {
if (pindex != NULL && (*pindex) != NULL) {
PT_Index__New index = &(*pindex)->slots.formatNew;
if (index->zFile != NULL) {
unzClose(index->zFile);
index->zFile = NULL;
}
if (index->hash != NULL) {
inthash_delete(&index->hash);
index->hash = NULL;
}
MutexFree(&index->zFileLock);
}
}
static void PT_Index_Delete__Old(PT_Index *pindex) {
if (pindex != NULL && (*pindex) != NULL) {
PT_Index__Old index = &(*pindex)->slots.formatOld;
if (index->dat != NULL) {
fclose(index->dat);
}
if (index->ndx != NULL) {
fclose(index->ndx);
}
if (index->hash != NULL) {
inthash_delete(&index->hash);
index->hash = NULL;
}
MutexFree(&index->fileLock);
}
}
static void PT_Index_Delete__Arc(PT_Index *pindex) {
if (pindex != NULL && (*pindex) != NULL) {
PT_Index__Arc index = &(*pindex)->slots.formatArc;
if (index->file != NULL) {
fclose(index->file);
}
MutexFree(&index->fileLock);
}
}
int PT_AddIndex(PT_Indexes indexes, const char *path) {
PT_Index index = PT_LoadCache(path);
if (index != NULL) {
int ret = PT_IndexMerge(indexes, &index);
if (index != NULL) {
PT_Index_Delete(&index);
}
return ret;
}
return -1;
}
PT_Element PT_Index_HTML_BuildRootInfo(PT_Indexes indexes) {
if (indexes != NULL) {
PT_Element elt = PT_ElementNew();
int i;
String html = STRING_EMPTY;
StringClear(html);
StringCat(html,
"<html>"
PROXYTRACK_COMMENT_HEADER
DISABLE_IE_FRIENDLY_HTTP_ERROR_MESSAGES
"<head>\r\n"
"<title>ProxyTrack " PROXYTRACK_VERSION " Catalog</title>"
"</head>\r\n"
"<body>\r\n"
"<h3>Available sites in this cache:</h3><br />"
"<br />"
);
StringCat(html, "<ul>\r\n");
for(i = 0 ; i < indexes->index_size ; i++) {
if (indexes->index[i] != NULL
&& indexes->index[i]->slots.common.startUrl[0] != '\0')
{
const char * url = indexes->index[i]->slots.common.startUrl;
StringCat(html, "<li>\r\n");
StringCat(html, "<a href=\"");
StringCat(html, url);
StringCat(html, "\">");
StringCat(html, url);
StringCat(html, "</a>\r\n");
StringCat(html, "</li>\r\n");
}
}
StringCat(html, "</ul>\r\n");
StringCat(html, "</body></html>\r\n");
elt->size = StringLength(html);
elt->adr = StringAcquire(&html);
elt->statuscode = HTTP_OK;
strcpy(elt->charset, "iso-8859-1");
strcpy(elt->contenttype, "text/html");
strcpy(elt->msg, "OK");
StringFree(html);
return elt;
}
return NULL;
}
static char* strchr_stop(char* str, char c, char stop) {
for( ; *str != 0 && *str != stop && *str != c ; str++);
if (*str == c)
return str;
return NULL;
}
char ** PT_Enumerate(PT_Indexes indexes, const char *url, int subtree) {
// should be cached!
if (indexes != NULL && indexes->cil != NULL) {
unsigned int urlSize;
String list = STRING_EMPTY;
String listindexes = STRING_EMPTY;
String subitem = STRING_EMPTY;
unsigned int listCount = 0;
struct_inthash_enum en = inthash_enum_new(indexes->cil);
inthash_chain* chain;
inthash hdupes = NULL;
if (!subtree)
hdupes= inthash_new(127);
StringClear(list);
StringClear(listindexes);
StringClear(subitem);
if (strncmp(url, "http://", 7) == 0)
url += 7;
urlSize = (unsigned int) strlen(url);
while((chain = inthash_enum_next(&en))) {
long int index = (long int)chain->value.intg;
if (urlSize == 0 || strncmp(chain->name, url, urlSize) == 0) {
if (index >= 0 && index < indexes->index_size) {
char * item = chain->name + urlSize;
if (*item == '/')
item++;
{
char * pos = subtree ? 0 : strchr_stop(item, '/', '?');
unsigned int len = pos ? (unsigned int)( pos - item ) : (unsigned int)strlen(item);
if (len > 0 /* default document */ || *item == 0) {
int isFolder = ( item[len] == '/' );
StringClear(subitem);
if (len > 0)
StringMemcat(subitem, item, len);
if (len == 0 || !inthash_exists(hdupes, StringBuff(subitem))) {
char* ptr = NULL;
ptr += StringLength(list);
if (len > 0)
StringCat(list, StringBuff(subitem));
if (isFolder)
StringCat(list, "/");
StringMemcat(list, "\0", 1); /* NULL terminated strings */
StringMemcat(listindexes, &ptr, sizeof(ptr));
listCount++;
inthash_write(hdupes, StringBuff(subitem), 0);
}
}
}
} else {
CRITICAL("PT_Enumerate:Corrupted central index locator");
}
}
}
StringFree(subitem);
inthash_delete(&hdupes);
if (listCount > 0) {
unsigned int i;
void* blk;
char *nullPointer = NULL;
char* startStrings;
/* NULL terminated index */
StringMemcat(listindexes, &nullPointer, sizeof(nullPointer));
/* start of all strings (index) */
startStrings = nullPointer + StringLength(listindexes);
/* copy list of URLs after indexes */
StringMemcat(listindexes, StringBuff(list), StringLength(list));
/* ---- no reallocation beyond this point (fixed addresses) ---- */
/* start of all strings (pointer) */
startStrings = (startStrings - nullPointer) + StringBuffRW(listindexes);
/* transform indexes into references */
for(i = 0 ; i < listCount ; i++) {
char *ptr = NULL;
unsigned int ndx;
memcpy(&ptr, &StringBuff(listindexes)[i*sizeof(char*)], sizeof(char*));
ndx = (unsigned int) (ptr - nullPointer);
ptr = startStrings + ndx;
memcpy(&StringBuffRW(listindexes)[i*sizeof(char*)], &ptr, sizeof(char*));
}
blk = StringAcquire(&listindexes);
StringFree(list);
StringFree(listindexes);
return (char **)blk;
}
}
return NULL;
}
void PT_Enumerate_Delete(char ***plist) {
if (plist != NULL && *plist != NULL) {
free(*plist);
*plist = NULL;
}
}
static int PT_GetType(const char *filename) {
char * dot = strrchr(filename, '.');
if (dot != NULL) {
if (strcasecmp(dot, ".zip") == 0) {
return PT_CACHE__NEW;
} else if (strcasecmp(dot, ".ndx") == 0 || strcasecmp(dot, ".dat") == 0) {
return PT_CACHE__OLD;
} else if (strcasecmp(dot, ".arc") == 0) {
return PT_CACHE__ARC;
}
}
return PT_CACHE_UNDEFINED;
}
PT_Index PT_LoadCache(const char *filename) {
int type = PT_GetType(filename);
if (type != PT_CACHE_UNDEFINED) {
PT_Index index = calloc(sizeof(_PT_Index), 1);
if (index != NULL) {
index->type = type;
index->slots.common.timestamp = (time_t) time(NULL);
index->slots.common.startUrl[0] = '\0';
index->slots.common.hash = inthash_new(8191);
if (!_IndexFuncts[type].PT_LoadCache(index, filename)) {
DEBUG("reading httrack cache (format #%d) %s : error" _ type _ filename );
free(index);
index = NULL;
return NULL;
} else {
DEBUG("reading httrack cache (format #%d) %s : success" _ type _ filename );
}
/* default starting URL is the first hash entry */
if (index->slots.common.startUrl[0] == '\0') {
struct_inthash_enum en = inthash_enum_new(index->slots.common.hash);
inthash_chain* chain;
chain = inthash_enum_next(&en);
if (chain != NULL
&& strstr(chain->name, "/robots.txt") != NULL)
{
chain = inthash_enum_next(&en);
}
if (chain != NULL) {
if (!link_has_authority(chain->name))
strcat(index->slots.common.startUrl, "http://");
strcat(index->slots.common.startUrl, chain->name);
}
}
}
return index;
}
return NULL;
}
static long int filesize(const char* filename) {
struct stat st;
memset(&st, 0, sizeof(st));
if (stat(filename, &st) == 0) {
return (long int)st.st_size;
}
return -1;
}
int PT_LookupCache(PT_Index index, const char* url) {
if (index != NULL && SAFE_INDEX(index)) {
return _IndexFuncts[index->type].PT_LookupCache(index, url);
}
return 0;
}
int PT_SaveCache(PT_Indexes indexes, const char *filename) {
int type = PT_GetType(filename);
if (type != PT_CACHE_UNDEFINED) {
if (_IndexFuncts[type].PT_SaveCache != NULL) {
int ret = _IndexFuncts[type].PT_SaveCache(indexes, filename);
if (ret == 0) {
(void) set_filetime_time_t(filename, PT_GetTimeIndex(indexes));
return 0;
}
}
}
return -1;
}
int PT_EnumCache(PT_Indexes indexes, int (*callback)(void *, const char *url, PT_Element), void *arg) {
if (indexes != NULL && indexes->cil != NULL) {
struct_inthash_enum en = inthash_enum_new(indexes->cil);
inthash_chain* chain;
while((chain = inthash_enum_next(&en))) {
const long int index_id = (long int)chain->value.intg;
const char *const url = chain->name;
if (index_id >= 0 && index_id <= indexes->index_size) {
PT_Element item = PT_ReadCache(indexes->index[index_id], url, FETCH_HEADERS | FETCH_BODY);
if (item != NULL) {
int ret = callback(arg, url, item);
PT_Element_Delete(&item);
if (ret != 0)
return ret;
}
} else {
CRITICAL("PT_ReadCache:Corrupted central index locator");
return -1;
}
}
}
return 0;
}
time_t PT_Index_Timestamp(PT_Index index) {
return index->slots.common.timestamp;
}
static int PT_LookupCache__New(PT_Index index, const char* url) {
int retCode;
MutexLock(&index->slots.formatNew.zFileLock);
{
retCode = PT_LookupCache__New_u(index, url);
}
MutexUnlock(&index->slots.formatNew.zFileLock);
return retCode;
}
static int PT_LookupCache__New_u(PT_Index index_, const char* url) {
if (index_ != NULL) {
PT_Index__New index = &index_->slots.formatNew;
if (index->hash != NULL && index->zFile != NULL && url != NULL && *url != 0) {
int hash_pos_return;
if (strncmp(url, "http://", 7) == 0)
url += 7;
hash_pos_return = inthash_read(index->hash, url, NULL);
if (hash_pos_return)
return 1;
}
}
return 0;
}
int PT_IndexMerge(PT_Indexes indexes, PT_Index *pindex)
{
if (pindex != NULL && *pindex != NULL && (*pindex)->slots.common.hash != NULL
&& indexes != NULL)
{
PT_Index index = *pindex;
struct_inthash_enum en = inthash_enum_new(index->slots.common.hash);
inthash_chain* chain;
int index_id = indexes->index_size++;
int nMerged = 0;
if ((indexes->index = realloc(indexes->index, sizeof(struct _PT_Index)*indexes->index_size)) != NULL) {
indexes->index[index_id] = index;
*pindex = NULL;
while((chain = inthash_enum_next(&en)) != NULL) {
const char * url = chain->name;
if (url != NULL && url[0] != '\0') {
intptr_t previous_index_id = 0;
if (inthash_read(indexes->cil, url, &previous_index_id)) {
if (previous_index_id >= 0 && previous_index_id < indexes->index_size) {
if (indexes->index[previous_index_id]->slots.common.timestamp > index->slots.common.timestamp) // existing entry is newer
break;
} else {
CRITICAL("PT_IndexMerge:Corrupted central index locator");
}
}
inthash_write(indexes->cil, chain->name, index_id);
nMerged++;
}
}
} else {
CRITICAL("PT_IndexMerge:Memory exhausted");
}
return nMerged;
}
return -1;
}
void PT_Element_Delete(PT_Element *pentry) {
if (pentry != NULL) {
PT_Element entry = *pentry;
if (entry != NULL) {
if (entry->adr != NULL) {
free(entry->adr);
entry->adr = NULL;
}
if (entry->headers != NULL) {
free(entry->headers);
entry->headers = NULL;
}
if (entry->location != NULL) {
free(entry->location);
entry->location = NULL;
}
free(entry);
}
*pentry = NULL;
}
}
PT_Element PT_ReadIndex(PT_Indexes indexes, const char* url, int flags)
{
if (indexes != NULL)
{
intptr_t index_id;
if (strncmp(url, "http://", 7) == 0)
url += 7;
if (inthash_read(indexes->cil, url, &index_id)) {
if (index_id >= 0 && index_id <= indexes->index_size) {
PT_Element item = PT_ReadCache(indexes->index[index_id], url, flags);
if (item != NULL) {
item->indexId = (int) index_id;
return item;
}
} else {
CRITICAL("PT_ReadCache:Corrupted central index locator");
}
}
}
return NULL;
}
int PT_LookupIndex(PT_Indexes indexes, const char* url) {
if (indexes != NULL)
{
intptr_t index_id;
if (strncmp(url, "http://", 7) == 0)
url += 7;
if (inthash_read(indexes->cil, url, &index_id)) {
if (index_id >= 0 && index_id <= indexes->index_size) {
return 1;
} else {
CRITICAL("PT_ReadCache:Corrupted central index locator");
}
}
}
return 0;
}
time_t PT_GetTimeIndex(PT_Indexes indexes) {
if (indexes != NULL && indexes->index_size > 0)
{
int i;
time_t maxt = indexes->index[0]->slots.common.timestamp;
for(i = 1 ; i < indexes->index_size ; i++) {
const time_t currt = indexes->index[i]->slots.common.timestamp;
if (currt > maxt) {
maxt = currt;
}
}
return maxt;
}
return (time_t) -1;
}
PT_Index PT_GetIndex(PT_Indexes indexes, int indexId) {
if (indexes != NULL && indexId >= 0 && indexId < indexes->index_size)
{
return indexes->index[indexId];
}
return NULL;
}
PT_Element PT_ElementNew(void) {
PT_Element r = NULL;
if ((r = calloc(sizeof(_PT_Element), 1)) == NULL)
return NULL;
r->statuscode=STATUSCODE_INVALID;
r->indexId = -1;
return r;
}
PT_Element PT_ReadCache(PT_Index index, const char* url, int flags) {
if (index != NULL && SAFE_INDEX(index)) {
return _IndexFuncts[index->type].PT_ReadCache(index, url, flags);
}
return NULL;
}
static PT_Element PT_ReadCache__New(PT_Index index, const char* url, int flags) {
PT_Element retCode;
MutexLock(&index->slots.formatNew.zFileLock);
{
retCode = PT_ReadCache__New_u(index, url, flags);
}
MutexUnlock(&index->slots.formatNew.zFileLock);
return retCode;
}
/* ------------------------------------------------------------ */
/* New HTTrack cache (new.zip) format */
/* ------------------------------------------------------------ */
#define ZIP_FIELD_STRING(headers, headersSize, field, value) do { \
if ( (value != NULL) && (value)[0] != '\0') { \
sprintf(headers + headersSize, "%s: %s\r\n", field, (value != NULL) ? (value) : ""); \
(headersSize) += (int) strlen(headers + headersSize); \
} \
} while(0)
#define ZIP_FIELD_INT(headers, headersSize, field, value) do { \
if ( (value != 0) ) { \
sprintf(headers + headersSize, "%s: "LLintP"\r\n", field, (LLint)(value)); \
(headersSize) += (int) strlen(headers + headersSize); \
} \
} while(0)
#define ZIP_FIELD_INT_FORCE(headers, headersSize, field, value) do { \
sprintf(headers + headersSize, "%s: "LLintP"\r\n", field, (LLint)(value)); \
(headersSize) += (int) strlen(headers + headersSize); \
} while(0)
#define ZIP_READFIELD_STRING(line, value, refline, refvalue) do { \
if (line[0] != '\0' && strfield2(line, refline)) { \
strcpy(refvalue, value); \
line[0] = '\0'; \
} \
} while(0)
#define ZIP_READFIELD_INT(line, value, refline, refvalue) do { \
if (line[0] != '\0' && strfield2(line, refline)) { \
int intval = 0; \
sscanf(value, "%d", &intval); \
(refvalue) = intval; \
line[0] = '\0'; \
} \
} while(0)
int PT_LoadCache__New(PT_Index index_, const char *filename) {
if (index_ != NULL && filename != NULL) {
PT_Index__New index = &index_->slots.formatNew;
unzFile zFile = index->zFile = unzOpen(filename);
index->timestamp = file_timestamp(filename);
MutexInit(&index->zFileLock);
// Opened ?
if (zFile!=NULL) {
const char * abpath;
int slashes;
inthash hashtable = index->hash;
/* Compute base path for this index - the filename MUST be absolute! */
for(slashes = 2, abpath = filename + (int)strlen(filename) - 1
; abpath > filename && ( ( *abpath != '/'&& *abpath != '\\' ) || --slashes > 0)
; abpath--);
index->path[0] = '\0';
if (slashes == 0 && *abpath != 0) {
int i;
strncat(index->path, filename, (int) ( abpath - filename ) + 1 );
for(i = 0 ; index->path[i] != 0 ; i++) {
if (index->path[i] == '\\') {
index->path[i] = '/';
}
}
}
/* Ready directory entries */
if (unzGoToFirstFile(zFile) == Z_OK) {
char comment[128];
char filename[HTS_URLMAXSIZE * 4];
int entries = 0;
int firstSeen = 0;
memset(comment, 0, sizeof(comment)); // for truncated reads
do {
int readSizeHeader = 0;
filename[0] = '\0';
comment[0] = '\0';
if (unzOpenCurrentFile(zFile) == Z_OK) {
if (
(readSizeHeader = unzGetLocalExtrafield(zFile, comment, sizeof(comment) - 2)) > 0
&&
unzGetCurrentFileInfo(zFile, NULL, filename, sizeof(filename) - 2, NULL, 0, NULL, 0) == Z_OK
)
{
long int pos = (long int) unzGetOffset(zFile);
assertf(readSizeHeader < sizeof(comment));
comment[readSizeHeader] = '\0';
entries++;
if (pos > 0) {
int dataincache = 0; // data in cache ?
char* filenameIndex = filename;
if (strncmp(filenameIndex, "http://", 7) == 0) {
filenameIndex += 7;
}
if (comment[0] != '\0') {
int maxLine = 2;
char* a = comment;
while(*a && maxLine-- > 0) { // parse only few first lines
char line[1024];
line[0] = '\0';
a+=binput(a, line, sizeof(line) - 2);
if (strncmp(line, "X-In-Cache:", 11) == 0) {
if (strcmp(line, "X-In-Cache: 1") == 0) {
dataincache = 1;
} else {
dataincache = 0;
}
break;
}
}
}
if (dataincache)
inthash_add(hashtable, filenameIndex, pos);
else
inthash_add(hashtable, filenameIndex, -pos);
/* First link as starting URL */
if (!firstSeen) {
if (strstr(filenameIndex, "/robots.txt") == NULL) {
firstSeen = 1;
if (!link_has_authority(filenameIndex))
strcat(index->startUrl, "http://");
strcat(index->startUrl, filenameIndex);
}
}
} else {
fprintf(stderr, "Corrupted cache meta entry #%d"LF, (int)entries);
}
} else {
fprintf(stderr, "Corrupted cache entry #%d"LF, (int)entries);
}
unzCloseCurrentFile(zFile);
} else {
fprintf(stderr, "Corrupted cache entry #%d"LF, (int)entries);
}
} while( unzGoToNextFile(zFile) == Z_OK );
return 1;
} else {
inthash_delete(&index->hash);
index = NULL;
}
} else {
index = NULL;
}
}
return 0;
}
static PT_Element PT_ReadCache__New_u(PT_Index index_, const char* url, int flags)
{
PT_Index__New index = (PT_Index__New) &index_->slots.formatNew;
char location_default[HTS_URLMAXSIZE*2];
char previous_save[HTS_URLMAXSIZE*2];
char previous_save_[HTS_URLMAXSIZE*2];
char catbuff[CATBUFF_SIZE];
intptr_t hash_pos;
int hash_pos_return;
PT_Element r = NULL;
if (index == NULL || index->hash == NULL || index->zFile == NULL || url == NULL || *url == 0)
return NULL;
if ((r = PT_ElementNew()) == NULL)
return NULL;
location_default[0] = '\0';
previous_save[0] = previous_save_[0] = '\0';
memset(r, 0, sizeof(_PT_Element));
r->location = location_default;
strcpy(r->location, "");
if (strncmp(url, "http://", 7) == 0)
url += 7;
hash_pos_return = inthash_read(index->hash, url, &hash_pos);
if (hash_pos_return) {
uLong posInZip;
if (hash_pos > 0) {
posInZip = (uLong) hash_pos;
} else {
posInZip = (uLong) -hash_pos;
}
if (unzSetOffset(index->zFile, posInZip) == Z_OK) {
/* Read header (Max 8KiB) */
if (unzOpenCurrentFile(index->zFile) == Z_OK) {
char headerBuff[8192 + 2];
int readSizeHeader;
int totalHeader = 0;
int dataincache = 0;
/* For BIG comments */
headerBuff[0]
= headerBuff[sizeof(headerBuff) - 1]
= headerBuff[sizeof(headerBuff) - 2]
= headerBuff[sizeof(headerBuff) - 3] = '\0';
if ( (readSizeHeader = unzGetLocalExtrafield(index->zFile, headerBuff, sizeof(headerBuff) - 2)) > 0)
{
int offset = 0;
char line[HTS_URLMAXSIZE + 2];
int lineEof = 0;
headerBuff[readSizeHeader] = '\0';
do {
char* value;
line[0] = '\0';
offset += binput(headerBuff + offset, line, sizeof(line) - 2);
if (line[0] == '\0') {
lineEof = 1;
}
value = strchr(line, ':');
if (value != NULL) {
*value++ = '\0';
if (*value == ' ' || *value == '\t') value++;
ZIP_READFIELD_INT(line, value, "X-In-Cache", dataincache);
ZIP_READFIELD_INT(line, value, "X-Statuscode", r->statuscode);
ZIP_READFIELD_STRING(line, value, "X-StatusMessage", r->msg); // msg
ZIP_READFIELD_INT(line, value, "X-Size", r->size); // size
ZIP_READFIELD_STRING(line, value, "Content-Type", r->contenttype); // contenttype
ZIP_READFIELD_STRING(line, value, "X-Charset", r->charset); // contenttype
ZIP_READFIELD_STRING(line, value, "Last-Modified", r->lastmodified); // last-modified
ZIP_READFIELD_STRING(line, value, "Etag", r->etag); // Etag
ZIP_READFIELD_STRING(line, value, "Location", r->location); // 'location' pour moved
ZIP_READFIELD_STRING(line, value, "Content-Disposition", r->cdispo); // Content-disposition
//ZIP_READFIELD_STRING(line, value, "X-Addr", ..); // Original address
//ZIP_READFIELD_STRING(line, value, "X-Fil", ..); // Original URI filename
ZIP_READFIELD_STRING(line, value, "X-Save", previous_save_); // Original save filename
if (line[0] != '\0') {
int len = r->headers ? ((int) strlen(r->headers)) : 0;
int nlen = (int) ( strlen(line) + 2 + strlen(value) + sizeof("\r\n") + 1 );
r->headers = realloc(r->headers, len + nlen);
r->headers[len] = '\0';
strcat(r->headers, line);
strcat(r->headers, ": ");
strcat(r->headers, value);
strcat(r->headers, "\r\n");
}
}
} while(offset < readSizeHeader && !lineEof);
totalHeader = offset;
/* Previous entry */
if (previous_save_[0] != '\0') {
int pathLen = (int) strlen(index->path);
if (pathLen > 0 && strncmp(previous_save_, index->path, pathLen) == 0) { // old (<3.40) buggy format
strcpy(previous_save, previous_save_);
}
// relative ? (hack)
else if (index->safeCache
|| (previous_save_[0] != '/' // /home/foo/bar.gif
&& ( !isalpha(previous_save_[0]) || previous_save_[1] != ':' ) ) // c:/home/foo/bar.gif
)
{
index->safeCache = 1;
sprintf(previous_save, "%s%s", index->path, previous_save_);
}
// bogus format (includes buggy absolute path)
else {
/* guess previous path */
if (index->fixedPath == 0) {
const char * start = jump_protocol_and_auth(url);
const char * end = start ? strchr(start, '/') : NULL;
int len = (int) (end - start);
if (start != NULL && end != NULL && len > 0 && len < 128) {
char piece[128 + 2];
const char * where;
piece[0] = '\0';
strncat(piece, start, len);
if ((where = strstr(previous_save_, piece)) != NULL) {
index->fixedPath = (int) (where - previous_save_); // offset to relative path
}
}
}
if (index->fixedPath > 0) {
int saveLen = (int) strlen(previous_save_);
if (index->fixedPath < saveLen) {
sprintf(previous_save, "%s%s", index->path, previous_save_ + index->fixedPath);
} else {
sprintf(r->msg, "Bogus fixePath prefix for %s (prefixLen=%d)", previous_save_, (int)index->fixedPath);
r->statuscode = STATUSCODE_INVALID;
}
} else {
sprintf(previous_save, "%s%s", index->path, previous_save_);
}
}
}
/* Complete fields */
r->adr=NULL;
if (r->statuscode != STATUSCODE_INVALID) { /* Can continue */
int ok = 0;
// Court-circuit:
// Peut-on stocker le fichier directement sur disque?
if (ok) {
if (r->msg[0] == '\0') {
strcpy(r->msg,"Cache Read Error : Unexpected error");
}
} else { // lire en mémoire
if (!dataincache) {
/* Read in memory from cache */
if (flags & FETCH_BODY) {
if (strnotempty(previous_save)) {
FILE* fp = fopen(fconv(catbuff,previous_save), "rb");
if (fp != NULL) {
r->adr = (char*) malloc(r->size + 4);
if (r->adr != NULL) {
if (r->size > 0 && fread(r->adr, 1, r->size, fp) != r->size) {
int last_errno = errno;
r->statuscode=STATUSCODE_INVALID;
sprintf(r->msg,"Read error in cache disk data: %s", strerror(last_errno));
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Read error (memory exhausted) from cache");
}
fclose(fp);
} else {
r->statuscode=STATUSCODE_INVALID;
sprintf(r->msg, "Read error (can't open '%s') from cache", fconv(catbuff,previous_save));
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cached file name is invalid");
}
}
} else {
// lire fichier (d'un coup)
if (flags & FETCH_BODY) {
r->adr=(char*) malloc(r->size+1);
if (r->adr!=NULL) {
if (unzReadCurrentFile(index->zFile, r->adr, (unsigned int) r->size) != r->size) { // erreur
free(r->adr);
r->adr=NULL;
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Read Error : Read Data");
} else
*(r->adr+r->size)='\0';
//printf(">%s status %d\n",back[p].r->contenttype,back[p].r->statuscode);
} else { // erreur
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Memory Error");
}
}
}
}
} // si save==null, ne rien charger (juste en tête)
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Read Error : Read Header Data");
}
unzCloseCurrentFile(index->zFile);
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Read Error : Open File");
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Read Error : Bad Offset");
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"File Cache Entry Not Found");
}
if (r->location[0] != '\0') {
r->location = strdup(r->location);
} else {
r->location = NULL;
}
return r;
}
static int PT_SaveCache__New_Fun(void *arg, const char *url, PT_Element element) {
zipFile zFileOut = (zipFile) arg;
char headers[8192];
int headersSize;
zip_fileinfo fi;
int zErr;
const char *url_adr = "";
const char *url_fil = "";
headers[0] = '\0';
headersSize = 0;
/* Fields */
headers[0] = '\0';
headersSize = 0;
/* */
{
char* message;
if (strlen(element->msg) < 32) {
message = element->msg;
} else {
message = "(See X-StatusMessage)";
}
/* 64 characters MAX for first line */
sprintf(headers + headersSize, "HTTP/1.%c %d %s\r\n", '1', element->statuscode, element->msg);
}
headersSize += (int) strlen(headers + headersSize);
/* Second line MUST ALWAYS be X-In-Cache */
ZIP_FIELD_INT_FORCE(headers, headersSize, "X-In-Cache", 1);
ZIP_FIELD_INT(headers, headersSize, "X-StatusCode", element->statuscode);
ZIP_FIELD_STRING(headers, headersSize, "X-StatusMessage", element->msg);
ZIP_FIELD_INT(headers, headersSize, "X-Size", element->size); // size
ZIP_FIELD_STRING(headers, headersSize, "Content-Type", element->contenttype); // contenttype
ZIP_FIELD_STRING(headers, headersSize, "X-Charset", element->charset); // contenttype
ZIP_FIELD_STRING(headers, headersSize, "Last-Modified", element->lastmodified); // last-modified
ZIP_FIELD_STRING(headers, headersSize, "Etag", element->etag); // Etag
ZIP_FIELD_STRING(headers, headersSize, "Location", element->location); // 'location' pour moved
ZIP_FIELD_STRING(headers, headersSize, "Content-Disposition", element->cdispo); // Content-disposition
ZIP_FIELD_STRING(headers, headersSize, "X-Addr", url_adr); // Original address
ZIP_FIELD_STRING(headers, headersSize, "X-Fil", url_fil); // Original URI filename
ZIP_FIELD_STRING(headers, headersSize, "X-Save", ""); // Original save filename
/* Time */
memset(&fi, 0, sizeof(fi));
if (element->lastmodified[0] != '\0') {
struct tm buffer;
struct tm* tm_s = convert_time_rfc822(&buffer, element->lastmodified);
if (tm_s) {
fi.tmz_date.tm_sec = (uInt) tm_s->tm_sec;
fi.tmz_date.tm_min = (uInt) tm_s->tm_min;
fi.tmz_date.tm_hour = (uInt) tm_s->tm_hour;
fi.tmz_date.tm_mday = (uInt) tm_s->tm_mday;
fi.tmz_date.tm_mon = (uInt) tm_s->tm_mon;
fi.tmz_date.tm_year = (uInt) tm_s->tm_year;
}
}
/* Open file - NOTE: headers in "comment" */
if ((zErr = zipOpenNewFileInZip(zFileOut,
url,
&fi,
/*
Store headers in realtime in the local file directory as extra field
In case of crash, we'll be able to recover the whole ZIP file by rescanning it
*/
headers,
(uInt) strlen(headers),
NULL,
0,
NULL, /* comment */
Z_DEFLATED,
Z_DEFAULT_COMPRESSION)) != Z_OK)
{
int zip_zipOpenNewFileInZip_failed = 0;
assertf(zip_zipOpenNewFileInZip_failed);
}
/* Write data in cache */
if (element->size > 0 && element->adr != NULL) {
if ((zErr = zipWriteInFileInZip(zFileOut, element->adr, (int) element->size)) != Z_OK) {
int zip_zipWriteInFileInZip_failed = 0;
assertf(zip_zipWriteInFileInZip_failed);
}
}
/* Close */
if ((zErr = zipCloseFileInZip(zFileOut)) != Z_OK) {
int zip_zipCloseFileInZip_failed = 0;
assertf(zip_zipCloseFileInZip_failed);
}
/* Flush */
if ((zErr = zipFlush(zFileOut)) != 0) {
int zip_zipFlush_failed = 0;
assertf(zip_zipFlush_failed);
}
return 0;
}
static int PT_SaveCache__New(PT_Indexes indexes, const char *filename) {
zipFile zFileOut = zipOpen(filename, 0);
if (zFileOut != NULL) {
int ret = PT_EnumCache(indexes, PT_SaveCache__New_Fun, (void *) zFileOut);
zipClose(zFileOut, "Created by HTTrack Website Copier/ProxyTrack "PROXYTRACK_VERSION);
zFileOut = NULL;
if (ret != 0)
(void) unlink(filename);
return ret;
}
return -1;
}
/* ------------------------------------------------------------ */
/* Old HTTrack cache (dat/ndx) format */
/* ------------------------------------------------------------ */
static int cache_brstr(char* adr,char* s) {
int i;
int off;
char buff[256 + 1];
off=binput(adr,buff,256);
adr+=off;
sscanf(buff,"%d",&i);
if (i>0)
strncpy(s,adr,i);
*(s+i)='\0';
off+=i;
return off;
}
static void cache_rstr(FILE* fp,char* s) {
INTsys i;
char buff[256+4];
linput(fp,buff,256);
sscanf(buff,INTsysP,&i);
if (i < 0 || i > 32768) /* error, something nasty happened */
i=0;
if (i>0) {
if ((int) fread(s,1,i,fp) != i) {
int fread_cache_failed = 0;
assertf(fread_cache_failed);
}
}
*(s+i)='\0';
}
static char* cache_rstr_addr(FILE* fp) {
INTsys i;
char* addr = NULL;
char buff[256+4];
linput(fp,buff,256);
sscanf(buff,"%d",&i);
if (i < 0 || i > 32768) /* error, something nasty happened */
i=0;
if (i > 0) {
addr = malloc(i + 1);
if (addr != NULL) {
if ((int) fread(addr,1,i,fp) != i) {
int fread_cache_failed = 0;
assertf(fread_cache_failed);
}
*(addr+i)='\0';
}
}
return addr;
}
static void cache_rint(FILE* fp,int* i) {
char s[256];
cache_rstr(fp,s);
sscanf(s,"%d",i);
}
static void cache_rLLint(FILE* fp,unsigned long* i) {
int l;
char s[256];
cache_rstr(fp,s);
sscanf(s,"%d",&l);
*i = (unsigned long)l;
}
static int PT_LoadCache__Old(PT_Index index_, const char *filename) {
if (index_ != NULL && filename != NULL) {
char * pos = strrchr(filename, '.');
PT_Index__Old cache = &index_->slots.formatOld;
long int ndxSize;
cache->filenameDat[0] = '\0';
cache->filenameNdx[0] = '\0';
cache->path[0] = '\0';
{
PT_Index__Old index = cache;
const char * abpath;
int slashes;
/* -------------------- COPY OF THE __New() CODE -------------------- */
/* Compute base path for this index - the filename MUST be absolute! */
for(slashes = 2, abpath = filename + (int)strlen(filename) - 1
; abpath > filename && ( ( *abpath != '/'&& *abpath != '\\' ) || --slashes > 0)
; abpath--);
index->path[0] = '\0';
if (slashes == 0 && *abpath != 0) {
int i;
strncat(index->path, filename, (int) ( abpath - filename ) + 1 );
for(i = 0 ; index->path[i] != 0 ; i++) {
if (index->path[i] == '\\') {
index->path[i] = '/';
}
}
}
/* -------------------- END OF COPY OF THE __New() CODE -------------------- */
}
/* Index/data filenames */
if (pos != NULL) {
int nLen = (int) (pos - filename);
strncat(cache->filenameDat, filename, nLen);
strncat(cache->filenameNdx, filename, nLen);
strcat(cache->filenameDat, ".dat");
strcat(cache->filenameNdx, ".ndx");
}
ndxSize = filesize(cache->filenameNdx);
cache->timestamp = file_timestamp(cache->filenameDat);
cache->dat = fopen(cache->filenameDat, "rb");
cache->ndx = fopen(cache->filenameNdx, "rb");
if (cache->dat != NULL && cache->ndx != NULL && ndxSize > 0) {
char * use = malloc(ndxSize + 1);
if (fread(use, 1, ndxSize, cache->ndx) == ndxSize) {
char firstline[256];
char* a=use;
use[ndxSize] = '\0';
a += cache_brstr(a, firstline);
if (strncmp(firstline,"CACHE-",6)==0) { // Nouvelle version du cache
if (strncmp(firstline,"CACHE-1.",8)==0) { // Version 1.1x
cache->version=(int)(firstline[8]-'0'); // cache 1.x
if (cache->version <= 5) {
a+=cache_brstr(a,firstline);
strcpy(cache->lastmodified,firstline);
} else {
// fprintf(opt->errlog,"Cache: version 1.%d not supported, ignoring current cache"LF,cache->version);
fclose(cache->dat);
cache->dat=NULL;
free(use);
use=NULL;
}
} else { // non supporté
// fspc(opt->errlog,"error"); fprintf(opt->errlog,"Cache: %s not supported, ignoring current cache"LF,firstline);
fclose(cache->dat);
cache->dat=NULL;
free(use);
use=NULL;
}
/* */
} else { // Vieille version du cache
/* */
// HTS_LOG(opt,LOG_WARNING); fprintf(opt->log,"Cache: importing old cache format"LF);
cache->version=0; // cache 1.0
strcpy(cache->lastmodified,firstline);
}
/* Create hash table for the cache (MUCH FASTER!) */
if (use) {
char line[HTS_URLMAXSIZE*2];
char linepos[256];
int pos;
int firstSeen = 0;
while ( (a!=NULL) && (a < (use + ndxSize) ) ) {
a=strchr(a+1,'\n'); /* start of line */
if (a) {
a++;
/* read "host/file" */
a+=binput(a,line,HTS_URLMAXSIZE);
a+=binput(a,line+strlen(line),HTS_URLMAXSIZE);
/* read position */
a+=binput(a,linepos,200);
sscanf(linepos,"%d",&pos);
/* Add entry */
inthash_add(cache->hash,line,pos);
/* First link as starting URL */
if (!firstSeen) {
if (strstr(line, "/robots.txt") == NULL) {
PT_Index__Old index = cache;
firstSeen = 1;
if (!link_has_authority(line))
strcat(index->startUrl, "http://");
strcat(index->startUrl, line);
}
}
}
}
/* Not needed anymore! */
free(use);
use=NULL;
return 1;
}
}
}
}
return 0;
}
static String DecodeUrl(const char * url) {
int i;
String s = STRING_EMPTY;
StringClear(s);
for(i = 0 ; url[i] != '\0' ; i++) {
if (url[i] == '+') {
StringAddchar(s, ' ');
} else if (url[i] == '%') {
if (url[i + 1] == '%') {
StringAddchar(s, '%');
i++;
} else if (url[i + 1] != 0 && url[i + 2] != 0) {
char tmp[3];
int codepoint = 0;
tmp[0] = url[i + 1];
tmp[1] = url[i + 2];
tmp[2] = 0;
if (sscanf(tmp, "%x", &codepoint) == 1) {
StringAddchar(s, (char)codepoint);
}
i += 2;
}
} else {
StringAddchar(s, url[i]);
}
}
return s;
}
static PT_Element PT_ReadCache__Old(PT_Index index, const char* url, int flags) {
PT_Element retCode;
MutexLock(&index->slots.formatOld.fileLock);
{
retCode = PT_ReadCache__Old_u(index, url, flags);
}
MutexUnlock(&index->slots.formatOld.fileLock);
return retCode;
}
static PT_Element PT_ReadCache__Old_u(PT_Index index_, const char* url, int flags) {
PT_Index__Old cache = (PT_Index__Old) &index_->slots.formatOld;
intptr_t hash_pos;
int hash_pos_return;
char location_default[HTS_URLMAXSIZE*2];
char previous_save[HTS_URLMAXSIZE*2];
char previous_save_[HTS_URLMAXSIZE*2];
PT_Element r;
int ok=0;
if (cache == NULL || cache->hash == NULL || url == NULL || *url == 0)
return NULL;
if ((r = PT_ElementNew()) == NULL)
return NULL;
location_default[0] = '\0';
previous_save[0] = previous_save_[0] = '\0';
memset(r, 0, sizeof(_PT_Element));
r->location = location_default;
strcpy(r->location, "");
if (strncmp(url, "http://", 7) == 0)
url += 7;
hash_pos_return=inthash_read(cache->hash, url, &hash_pos);
if (hash_pos_return) {
int pos = (int) hash_pos; /* simply */
if (fseek(cache->dat, (pos>0) ? pos : (-pos), SEEK_SET) == 0) {
/* Importer cache1.0 */
if (cache->version==0) {
OLD_htsblk old_r;
if (fread((char*) &old_r,1,sizeof(old_r),cache->dat) == sizeof(old_r)) { // lire tout (y compris statuscode etc)
int i;
String urlDecoded;
r->statuscode = old_r.statuscode;
r->size = old_r.size; // taille fichier
strcpy(r->msg, old_r.msg);
strcpy(r->contenttype, old_r.contenttype);
/* Guess the destination filename.. this sucks, because this method is not reliable.
Yes, the old 1.0 cache format was *that* bogus. /rx */
#define FORBIDDEN_CHAR(c) (c == '~' \
|| c == '\\' \
|| c == ':' \
|| c == '*' \
|| c == '?' \
|| c == '\"' \
|| c == '<' \
|| c == '>' \
|| c == '|' \
|| c == '@' \
|| ((unsigned char) c ) <= 31 \
|| ((unsigned char) c ) == 127 \
)
urlDecoded = DecodeUrl(jump_protocol_and_auth(url));
strcpy(previous_save_, StringBuff(urlDecoded));
StringFree(urlDecoded);
for(i = 0 ; previous_save_[i] != '\0' && previous_save_[i] != '?' ; i++) {
if (FORBIDDEN_CHAR(previous_save_[i])) {
previous_save_[i] = '_';
}
}
previous_save_[i] = '\0';
#undef FORBIDDEN_CHAR
ok = 1; /* import ok */
}
/* */
/* Cache 1.1 */
} else {
char check[256];
unsigned long size_read;
unsigned long int size_;
check[0]='\0';
//
cache_rint(cache->dat,&r->statuscode);
cache_rLLint(cache->dat,&size_);
r->size = (size_t) size_;
cache_rstr(cache->dat,r->msg);
cache_rstr(cache->dat,r->contenttype);
if (cache->version >= 3)
cache_rstr(cache->dat,r->charset);
cache_rstr(cache->dat,r->lastmodified);
cache_rstr(cache->dat,r->etag);
cache_rstr(cache->dat,r->location);
if (cache->version >= 2)
cache_rstr(cache->dat,r->cdispo);
if (cache->version >= 4) {
cache_rstr(cache->dat, previous_save_); // adr
cache_rstr(cache->dat, previous_save_); // fil
previous_save[0] = '\0';
cache_rstr(cache->dat, previous_save_); // save
}
if (cache->version >= 5) {
r->headers = cache_rstr_addr(cache->dat);
}
//
cache_rstr(cache->dat,check);
if (strcmp(check,"HTS")==0) { /* intégrité OK */
ok=1;
}
cache_rLLint(cache->dat, &size_read); /* lire size pour être sûr de la taille déclarée (réécrire) */
if (size_read > 0) { /* si inscrite ici */
r->size = size_read;
} else { /* pas de données directement dans le cache, fichier présent? */
r->size = 0;
}
}
/* Check destination filename */
{
PT_Index__Old index = cache;
/* -------------------- COPY OF THE __New() CODE -------------------- */
if (previous_save_[0] != '\0') {
int pathLen = (int) strlen(index->path);
if (pathLen > 0 && strncmp(previous_save_, index->path, pathLen) == 0) { // old (<3.40) buggy format
strcpy(previous_save, previous_save_);
}
// relative ? (hack)
else if (index->safeCache
|| (previous_save_[0] != '/' // /home/foo/bar.gif
&& ( !isalpha(previous_save_[0]) || previous_save_[1] != ':' ) ) // c:/home/foo/bar.gif
)
{
index->safeCache = 1;
sprintf(previous_save, "%s%s", index->path, previous_save_);
}
// bogus format (includes buggy absolute path)
else {
/* guess previous path */
if (index->fixedPath == 0) {
const char * start = jump_protocol_and_auth(url);
const char * end = start ? strchr(start, '/') : NULL;
int len = (int) (end - start);
if (start != NULL && end != NULL && len > 0 && len < 128) {
char piece[128 + 2];
const char * where;
piece[0] = '\0';
strncat(piece, start, len);
if ((where = strstr(previous_save_, piece)) != NULL) {
index->fixedPath = (int) (where - previous_save_); // offset to relative path
}
}
}
if (index->fixedPath > 0) {
int saveLen = (int) strlen(previous_save_);
if (index->fixedPath < saveLen) {
sprintf(previous_save, "%s%s", index->path, previous_save_ + index->fixedPath);
} else {
sprintf(r->msg, "Bogus fixePath prefix for %s (prefixLen=%d)", previous_save_, (int)index->fixedPath);
r->statuscode = STATUSCODE_INVALID;
}
} else {
sprintf(previous_save, "%s%s", index->path, previous_save_);
}
}
}
/* -------------------- END OF COPY OF THE __New() CODE -------------------- */
}
/* Read data */
if (ok) {
r->adr = NULL;
if ( (r->statuscode>=0) && (r->statuscode<=999)) {
r->adr = NULL;
if (pos<0) {
if (flags & FETCH_BODY) {
FILE* fp = fopen(previous_save, "rb");
if (fp != NULL) {
r->adr = (char*) malloc(r->size + 1);
if (r->adr != NULL) {
if (r->size > 0 && fread(r->adr, 1, r->size, fp) != r->size) {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Read error in cache disk data");
}
r->adr[r->size] = '\0';
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Read error (memory exhausted) from cache");
}
fclose(fp);
} else {
r->statuscode = STATUSCODE_INVALID;
strcpy(r->msg, "Previous cache file not found (2)");
}
}
} else {
// lire fichier (d'un coup)
if (flags & FETCH_BODY) {
r->adr=(char*) malloc(r->size + 1);
if (r->adr!=NULL) {
if (fread(r->adr, 1, r->size,cache->dat) != r->size) { // erreur
free(r->adr);
r->adr=NULL;
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Read Error : Read Data");
} else
r->adr[r->size] = '\0';
} else { // erreur
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Memory Error");
}
}
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Read Error : Bad Data");
}
} else { // erreur
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Read Error : Read Header");
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Cache Read Error : Seek Failed");
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"File Cache Entry Not Found");
}
if (r->location[0] != '\0') {
r->location = strdup(r->location);
} else {
r->location = NULL;
}
return r;
}
static int PT_LookupCache__Old(PT_Index index, const char* url) {
int retCode;
MutexLock(&index->slots.formatOld.fileLock);
{
retCode = PT_LookupCache__Old_u(index, url);
}
MutexUnlock(&index->slots.formatOld.fileLock);
return retCode;
}
static int PT_LookupCache__Old_u(PT_Index index_, const char* url) {
if (index_ != NULL) {
PT_Index__New cache = (PT_Index__New) &index_->slots.formatNew;
if (cache == NULL || cache->hash == NULL || url == NULL || *url == 0)
return 0;
if (strncmp(url, "http://", 7) == 0)
url += 7;
if (inthash_read(cache->hash, url, NULL))
return 1;
}
return 0;
}
/* ------------------------------------------------------------ */
/* Internet Archive Arc 1.0 (arc) format */
/* Xavier Roche (roche@httrack.com) */
/* Lars Clausen (lc@statsbiblioteket.dk) */
/* ------------------------------------------------------------ */
#define ARC_SP ' '
static const char* getArcField(const char *line, int pos) {
int i;
for(i = 0 ; line[i] != '\0' && pos > 0 ; i++) {
if (line[i] == ARC_SP)
pos--;
}
if (pos == 0)
return &line[i];
return NULL;
}
static char* copyArcField(const char *line, int npos, char *dest, int destMax) {
const char *pos;
if ((pos = getArcField(line, npos)) != NULL) {
int i;
for(i = 0 ; pos[i] != '\0' && pos[i] != ARC_SP && ( --destMax ) > 0; i++) {
dest[i] = pos[i];
}
dest[i] = 0;
return dest;
}
dest[0] = 0;
return NULL;
}
static int getArcLength(const char *line) {
const char *pos;
if ((pos = getArcField(line, 9)) != NULL
|| (pos = getArcField(line, 4)) != NULL
|| (pos = getArcField(line, 2)) != NULL
) {
int length;
if (sscanf(pos, "%d", &length) == 1) {
return length;
}
}
return -1;
}
static int skipArcNl(FILE* file) {
if (fgetc(file) == 0x0a) {
return 0;
}
return -1;
}
static int skipArcData(FILE* file, const char *line) {
int jump = getArcLength(line);
if (jump != -1) {
if (fseek(file, jump, SEEK_CUR) == 0 /* && skipArcNl(file) == 0 */) {
return 0;
}
}
return -1;
}
static int getDigit(const char digit) {
return (int) ( digit - '0' );
}
static int getDigit2(const char * const pos) {
return getDigit(pos[0])*10 + getDigit(pos[1]);
}
static int getDigit4(const char * const pos) {
return getDigit(pos[0])*1000 + getDigit(pos[1])*100 + getDigit(pos[2])*10 + getDigit(pos[3]);
}
static time_t getGMT(struct tm *tm) { /* hey, time_t is local! */
time_t t = mktime(tm);
if (t != (time_t) -1 && t != (time_t) 0) {
/* BSD does not have static "timezone" declared */
#if (defined(BSD) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD_kernel__))
time_t now = time(NULL);
time_t timezone = - localtime(&now)->tm_gmtoff;
#endif
return (time_t) (t - timezone);
}
return (time_t) -1;
}
static time_t getArcTimestamp(const char * const line) {
const char *pos;
if ((pos = getArcField(line, 2)) != NULL) {
int i;
/* date == YYYYMMDDhhmmss (Greenwich Mean Time) */
/* example: 20050405154029 */
for(i = 0 ; pos[i] >= '0' && pos[i] <= '9' ; i++);
if (i == 14) {
struct tm tm;
memset(&tm, 0, sizeof(tm));
tm.tm_year = getDigit4(pos + 0) - 1900; /* current year minus 1900 */
tm.tm_mon = getDigit2(pos + 4) - 1; /* 0 – 11 */
tm.tm_mday = getDigit2(pos + 6); /* 1 – 31 */
tm.tm_hour = getDigit2(pos + 8); /* 0 – 23 */
tm.tm_min = getDigit2(pos + 10); /* 0 – 59 */
tm.tm_sec = getDigit2(pos + 12); /* 0 – 59 */
tm.tm_isdst = 0;
return getGMT(&tm);
}
}
return (time_t) -1;
}
static int readArcURLRecord(PT_Index__Arc index) {
index->line[0] = '\0';
if (linput(index->file, index->line, sizeof(index->line) - 1)) {
return 0;
}
return -1;
}
#define str_begins(str, sstr) ( strncmp(str, sstr, sizeof(sstr) - 1) == 0 )
static int PT_CompatibleScheme(const char *url) {
return (str_begins(url, "http:")
|| str_begins(url, "https:")
|| str_begins(url, "ftp:")
|| str_begins(url, "file:"));
}
int PT_LoadCache__Arc(PT_Index index_, const char *filename) {
if (index_ != NULL && filename != NULL) {
PT_Index__Arc index = &index_->slots.formatArc;
index->timestamp = file_timestamp(filename);
MutexInit(&index->fileLock);
index->file = fopen(filename, "rb");
// Opened ?
if (index->file != NULL) {
inthash hashtable = index->hash;
if (readArcURLRecord(index) == 0) {
int entries = 0;
/* Read first line */
if (strncmp(index->line, "filedesc://", sizeof("filedesc://") - 1) != 0) {
fprintf(stderr, "Unexpected bad signature #%s"LF, index->line);
fclose(index->file);
index->file = NULL;
return 0;
}
/* Timestamp */
index->timestamp = getArcTimestamp(index->line);
/* Skip first entry */
if (skipArcData(index->file, index->line) != 0 || skipArcNl(index->file) != 0) {
fprintf(stderr, "Unexpected bad data offset size first entry"LF);
fclose(index->file);
index->file = NULL;
return 0;
}
/* Read all meta-entries (not data) */
while(!feof(index->file)) {
unsigned long int fpos = ftell(index->file);
if (skipArcNl(index->file) == 0 && readArcURLRecord(index) == 0) {
int length = getArcLength(index->line);
if (length >= 0) {
const char * filenameIndex = copyArcField(index->line, 0,
index->filenameIndexBuff, sizeof(index->filenameIndexBuff) - 1); /* can not be NULL */
if (strncmp(filenameIndex, "http://", 7) == 0) {
filenameIndex += 7;
}
if (*filenameIndex != 0) {
if (skipArcData(index->file, index->line) != 0) {
fprintf(stderr, "Corrupted cache data entry #%d (truncated file?), aborting read"LF, (int)entries);
}
/*fprintf(stdout, "adding %s [%d]\n", filenameIndex, (int)fpos);*/
if (PT_CompatibleScheme(index->filenameIndexBuff)) {
inthash_add(hashtable, filenameIndex, fpos); /* position of meta-data */
entries++;
}
} else {
fprintf(stderr, "Corrupted cache meta entry #%d"LF, (int)entries);
}
} else {
fprintf(stderr, "Corrupted cache meta entry #%d, aborting read"LF, (int)entries);
break ;
}
} else {
break ;
}
}
/* OK */
return 1;
} else {
fprintf(stderr, "Bad file (empty ?)"LF);
}
} else {
fprintf(stderr, "Unable to open file"LF);
index = NULL;
}
} else {
fprintf(stderr, "Bad arguments"LF);
}
return 0;
}
#define HTTP_READFIELD_STRING(line, value, refline, refvalue) do { \
if (line[0] != '\0' && strfield2(line, refline)) { \
strcpy(refvalue, value); \
line[0] = '\0'; \
} \
} while(0)
#define HTTP_READFIELD_INT(line, value, refline, refvalue) do { \
if (line[0] != '\0' && strfield2(line, refline)) { \
int intval = 0; \
sscanf(value, "%d", &intval); \
(refvalue) = intval; \
line[0] = '\0'; \
} \
} while(0)
static PT_Element PT_ReadCache__Arc(PT_Index index, const char* url, int flags) {
PT_Element retCode;
MutexLock(&index->slots.formatArc.fileLock);
{
retCode = PT_ReadCache__Arc_u(index, url, flags);
}
MutexUnlock(&index->slots.formatArc.fileLock);
return retCode;
}
static PT_Element PT_ReadCache__Arc_u(PT_Index index_, const char* url, int flags)
{
PT_Index__Arc index = (PT_Index__Arc) &index_->slots.formatArc;
char location_default[HTS_URLMAXSIZE*2];
intptr_t hash_pos;
int hash_pos_return;
PT_Element r = NULL;
if (index == NULL || index->hash == NULL || url == NULL || *url == 0)
return NULL;
if ((r = PT_ElementNew()) == NULL)
return NULL;
location_default[0] = '\0';
memset(r, 0, sizeof(_PT_Element));
r->location = location_default;
strcpy(r->location, "");
if (strncmp(url, "http://", 7) == 0)
url += 7;
hash_pos_return = inthash_read(index->hash, url, &hash_pos);
if (hash_pos_return) {
if (fseek(index->file, (long)hash_pos, SEEK_SET) == 0) {
if (skipArcNl(index->file) == 0 && readArcURLRecord(index) == 0) {
long int fposMeta = ftell(index->file);
int dataLength = getArcLength(index->line);
const char *pos;
/* Read HTTP headers */
/* HTTP/1.1 404 Not Found */
if (linput(index->file, index->line, sizeof(index->line) - 1)) {
if ((pos = getArcField(index->line, 1)) != NULL) {
if (sscanf(pos, "%d", &r->statuscode) != 1) {
r->statuscode = STATUSCODE_INVALID;
}
}
if ((pos = getArcField(index->line, 2)) != NULL) {
r->msg[0] = '\0';
strncat(r->msg, pos, sizeof(pos) - 1);
}
while (linput(index->file, index->line, sizeof(index->line) - 1) && index->line[0] != '\0') {
char* const line = index->line;
char* value = strchr(line, ':');
if (value != NULL) {
*value = '\0';
for( value++ ; *value == ' ' || *value == '\t' ; value++);
HTTP_READFIELD_INT(line, value, "Content-Length", r->size); // size
HTTP_READFIELD_STRING(line, value, "Content-Type", r->contenttype); // contenttype
HTTP_READFIELD_STRING(line, value, "Last-Modified", r->lastmodified); // last-modified
HTTP_READFIELD_STRING(line, value, "Etag", r->etag); // Etag
HTTP_READFIELD_STRING(line, value, "Location", r->location); // 'location' pour moved
HTTP_READFIELD_STRING(line, value, "Content-Disposition", r->cdispo); // Content-disposition
if (line[0] != '\0') {
int len = r->headers ? ((int) strlen(r->headers)) : 0;
int nlen = (int) ( strlen(line) + 2 + strlen(value) + sizeof("\r\n") + 1 );
r->headers = realloc(r->headers, len + nlen);
r->headers[len] = '\0';
strcat(r->headers, line);
strcat(r->headers, ": ");
strcat(r->headers, value);
strcat(r->headers, "\r\n");
}
}
}
/* FIXME charset */
if (r->contenttype[0] != '\0') {
char *pos = strchr(r->contenttype, ';');
if (pos != NULL) {
/*char *chs = strchr(pos, "charset=");*/
/*HTTP_READFIELD_STRING(line, value, "X-Charset", r->charset);*/
*pos = 0;
if ((pos = strchr(r->contenttype, ' ')) != NULL) {
*pos = 0;
}
}
}
/* Read data */
if (r->statuscode != STATUSCODE_INVALID) { /* Can continue */
if (flags & FETCH_BODY) {
long int fposCurrent = ftell(index->file);
long int metaSize = fposCurrent - fposMeta;
long int fetchSize = (long int) r->size;
if (fetchSize <= 0) {
fetchSize = dataLength - metaSize;
} else if (fetchSize > dataLength - metaSize) {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg, "Cache Read Error : Truncated Data");
}
r->size = 0;
if (r->statuscode != STATUSCODE_INVALID) {
r->adr = (char*) malloc(fetchSize);
if (r->adr != NULL) {
if (fetchSize > 0 && ( r->size = (int) fread(r->adr, 1, fetchSize, index->file) ) != fetchSize) {
int last_errno = errno;
r->statuscode=STATUSCODE_INVALID;
sprintf(r->msg,"Read error in cache disk data: %s", strerror(last_errno));
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"Read error (memory exhausted) from cache");
}
}
}
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg, "Cache Read Error : Read Header Error");
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg, "Cache Read Error : Read Header Error");
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg, "Cache Read Error : Seek Error");
}
} else {
r->statuscode=STATUSCODE_INVALID;
strcpy(r->msg,"File Cache Entry Not Found");
}
if (r->location[0] != '\0') {
r->location = strdup(r->location);
} else {
r->location = NULL;
}
return r;
}
static int PT_LookupCache__Arc(PT_Index index, const char* url) {
int retCode;
MutexLock(&index->slots.formatArc.fileLock);
{
retCode = PT_LookupCache__Arc_u(index, url);
}
MutexUnlock(&index->slots.formatArc.fileLock);
return retCode;
}
static int PT_LookupCache__Arc_u(PT_Index index_, const char* url) {
if (index_ != NULL) {
PT_Index__New cache = (PT_Index__New) &index_->slots.formatNew;
if (cache == NULL || cache->hash == NULL || url == NULL || *url == 0)
return 0;
if (strncmp(url, "http://", 7) == 0)
url += 7;
if (inthash_read(cache->hash, url, NULL))
return 1;
}
return 0;
}
typedef struct PT_SaveCache__Arc_t {
PT_Indexes indexes;
FILE *fp;
time_t t;
char filename[64];
struct tm buff;
char headers[8192];
char md5[32 + 2];
} PT_SaveCache__Arc_t;
static int PT_SaveCache__Arc_Fun(void *arg, const char *url, PT_Element element) {
PT_SaveCache__Arc_t *st = (PT_SaveCache__Arc_t*) arg;
FILE * const fp = st->fp;
struct tm* tm = convert_time_rfc822(&st->buff, element->lastmodified);
int size_headers;
sprintf(st->headers,
"HTTP/1.0 %d %s" "\r\n"
"X-Server: ProxyTrack " PROXYTRACK_VERSION "\r\n"
"Content-type: %s%s%s%s" "\r\n"
"Last-modified: %s" "\r\n"
"Content-length: %d" "\r\n"
,
element->statuscode, element->msg,
/**/
element->contenttype,
(element->charset[0] ? "; charset=\"" : ""),
(element->charset[0] ? element->charset : ""),
(element->charset[0] ? "\"" : ""),
/**/
element->lastmodified,
(int) element->size
);
if (element->location != NULL && element->location[0] != '\0') {
sprintf(st->headers + strlen(st->headers), "Location: %s" "\r\n", element->location);
}
if (element->headers != NULL) {
if ( strlen(element->headers) < sizeof(st->headers) - strlen(element->headers) - 1 ) {
strcat(st->headers, element->headers);
}
}
strcat(st->headers, "\r\n");
size_headers = (int) strlen(st->headers);
/* doc == <nl><URL-record><nl><network_doc> */
/* Format: URL IP date mime result checksum location offset filename length */
if (element->adr != NULL) {
domd5mem(element->adr, element->size, st->md5, 1);
} else {
strcpy(st->md5, "-");
}
fprintf(fp,
/* nl */
"\n"
/* URL-record */
"%s%s %s %04d%02d%02d%02d%02d%02d %s %d %s %s %ld %s %ld"
/* nl */
"\n",
/* args */
( link_has_authority(url) ? "" : "http://" ), url,
"0.0.0.0",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec,
element->contenttype,
element->statuscode,
st->md5, ( element->location ? element->location : "-" ),
(long int)ftell(fp), st->filename,
(long int)( size_headers + element->size ));
/* network_doc */
if (fwrite(st->headers, 1, size_headers, fp) != size_headers
|| ( element->size > 0 && fwrite(element->adr, 1, element->size, fp) != element->size )
) {
return 1; /* Error */
}
return 0;
}
static int PT_SaveCache__Arc(PT_Indexes indexes, const char *filename) {
FILE *fp = fopen(filename, "wb");
if (fp != NULL) {
PT_SaveCache__Arc_t st;
int ret;
time_t t = PT_GetTimeIndex(indexes);
struct tm tm = PT_GetTime(t);
/* version-2-block ==
filedesc://<path><sp><ip_address><sp><date><sp>text/plain<sp>200<sp>-<sp>-<sp>0<sp><filename><sp><length><nl>
2<sp><reserved><sp><origin-code><nl>
URL<sp>IP-address<sp>Archive-date<sp>Content-type<sp>Result-code<sp>Checksum<sp>Location<sp> Offset<sp>Filename<sp>Archive-length<nl>
<nl> */
const char* prefix =
"2 0 HTTrack Website Copier" "\n"
"URL IP-address Archive-Date Content-Type Result-code Checksum Location Offset Filename Archive-length" "\n" "\n";
sprintf(st.filename, "httrack_%d.arc", (int) t);
fprintf(fp, "filedesc://%s 0.0.0.0 %04d%02d%02d%02d%02d%02d text/plain 200 - - 0 %s %d" "\n"
"%s",
st.filename,
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec,
st.filename, (int)strlen(prefix), prefix);
st.fp = fp;
st.indexes = indexes;
st.t = t;
ret = PT_EnumCache(indexes, PT_SaveCache__Arc_Fun, (void *)&st);
fclose(fp);
if (ret != 0)
(void) unlink(filename);
return ret;
}
return -1;
}
Generated by GNU Enscript 1.6.5.2.