ZOO-Project
Data Structures | Macros | Typedefs | Functions
ulinet.h File Reference
#include "fcgi_stdio.h"
#include <stdlib.h>
#include <fcntl.h>
#include <curl/curl.h>
#include "service.h"
#include <unistd.h>
#include <string.h>
#include "time.h"

Go to the source code of this file.

Data Structures

struct  MemoryStruct
 Headers storage. More...
 
struct  _HINTERNET
 Individual CURL handler. More...
 
struct  HINTERNET
 Multiple CURL handlers. More...
 

Macros

#define bool   int
 
#define true   1
 
#define false   0
 
#define MAX_REQ   50
 
#define INTERNET_OPEN_TYPE_DIRECT   0
 
#define INTERNET_OPEN_TYPE_PRECONFIG   1
 
#define INTERNET_OPEN_TYPE_PRECONFIG_WITH_NO_AUTOPROXY   2
 
#define INTERNET_OPEN_TYPE_PROXY   3
 
#define INTERNET_FLAG_EXISTING_CONNECT   0
 
#define INTERNET_FLAG_HYPERLINK   1
 
#define INTERNET_FLAG_IGNORE_CERT_CN_INVALID   2
 
#define INTERNET_FLAG_IGNORE_CERT_DATE_INVALID   3
 
#define INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP   4
 
#define INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTPS   5
 
#define INTERNET_FLAG_KEEP_CONNECTION   6
 
#define INTERNET_FLAG_NEED_FILE   7
 
#define INTERNET_FLAG_NO_AUTH   8
 
#define INTERNET_FLAG_NO_AUTO_REDIRECT   9
 
#define INTERNET_FLAG_NO_CACHE_WRITE   10
 
#define CHECK_INET_HANDLE(h)   (h.handle != 0)
 

Typedefs

typedef char * LPCTSTR
 
typedef void * LPVOID
 
typedef void * LPTSTR
 
typedef size_t * LPDWORD
 

Functions

size_t write_data_into (void *, size_t, size_t, void *)
 Write the downloaded content to a _HINTERNET structure. More...
 
size_t header_write_data (void *, size_t, size_t, void *)
 In case of presence of "Set-Cookie" in the headers red, store the cookie identifier in cookie. More...
 
void setProxy (CURL *, char *, long)
 Define the proxy to use for a CURL handler. More...
 
int setProxiesForProtcol (CURL *, const char *)
 MACOSX. More...
 
HINTERNET InternetOpen (char *, int, char *, char *, int)
 Create a HINTERNET. More...
 
int isProtectedHost (const char *, const char *)
 Verify if a host is protected (appear in [security] > hosts) More...
 
int AddMissingHeaderEntry (_HINTERNET *, const char *, const char *)
 Add missing headers to an existing _HINTERNET. More...
 
void AddHeaderEntries (HINTERNET *, maps *)
 Add headers defined in [security] > attributes to an existing HINTERNET. More...
 
void InternetCloseHandle (HINTERNET *)
 Close a HINTERNET connection and free allocated resources. More...
 
HINTERNET InternetOpenUrl (HINTERNET *, LPCTSTR, LPCTSTR, size_t, size_t, size_t)
 Create a new element in the download queue. More...
 
int processDownloads (HINTERNET *)
 Download all opened urls in the queue. More...
 
int freeCookieList (HINTERNET)
 Initialize the cookie for a specific index (hInternet.nb) More...
 
int InternetReadFile (_HINTERNET, LPVOID, int, size_t *)
 Copy a downloaded content. More...
 
int setBasicAuth (HINTERNET, char *, char *)
 Use basic authentication for accessing a resource. More...
 

Data Structure Documentation

struct MemoryStruct

Headers storage.

See also
header_write_data
Data Fields
char * memory the memory space to store data
size_t size size of the memory space
struct _HINTERNET

Individual CURL handler.

Data Fields
long code the last received response code
char * cookie The potential Cookie returned by the server.
FILE * file the file pointer
char * filename the cached file name
CURL * handle the CURL handler
int hasCacheFile 1 if we used a cache file
struct curl_slist * header the headers to send
int id The position of the element in the queue.
char * mimeType the mimeType returned by the server
int nDataAlloc
int nDataLen the length of the downloaded content
unsigned char * pabyData the downloaded content
char * post the potential POST XML content
char * url the url used to access the server
struct HINTERNET

Multiple CURL handlers.

Data Fields
char * agent The User-Agent to use for HTTP request.
CURLM * handle the CURLM handler
_HINTERNET ihandle[MAX_REQ] individual handlers in the queue
int nb number of element in the queue
char * waitingRequests[MAX_REQ] request in the queue

Macro Definition Documentation

#define bool   int
#define CHECK_INET_HANDLE (   h)    (h.handle != 0)
#define false   0
#define INTERNET_FLAG_EXISTING_CONNECT   0
#define INTERNET_FLAG_HYPERLINK   1
#define INTERNET_FLAG_IGNORE_CERT_CN_INVALID   2
#define INTERNET_FLAG_IGNORE_CERT_DATE_INVALID   3
#define INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP   4
#define INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTPS   5
#define INTERNET_FLAG_KEEP_CONNECTION   6
#define INTERNET_FLAG_NEED_FILE   7
#define INTERNET_FLAG_NO_AUTH   8
#define INTERNET_FLAG_NO_AUTO_REDIRECT   9
#define INTERNET_FLAG_NO_CACHE_WRITE   10
#define INTERNET_OPEN_TYPE_DIRECT   0
#define INTERNET_OPEN_TYPE_PRECONFIG   1
#define INTERNET_OPEN_TYPE_PRECONFIG_WITH_NO_AUTOPROXY   2
#define INTERNET_OPEN_TYPE_PROXY   3
#define MAX_REQ   50
#define true   1

Typedef Documentation

typedef char* LPCTSTR
typedef size_t* LPDWORD
typedef void* LPTSTR
typedef void* LPVOID

Function Documentation

void AddHeaderEntries ( HINTERNET handle,
maps conf 
)

Add headers defined in [security] > attributes to an existing HINTERNET.

See also
isProtectedHost, AddMissingHeaderEntry
Parameters
handlethe _HINTERNET pointer
confthe header parameter name
valuethe header parameter value
Returns
0 if the operation succeeded, -1 in other case.
int AddMissingHeaderEntry ( _HINTERNET handle,
const char *  key,
const char *  value 
)

Add missing headers to an existing _HINTERNET.

Parameters
handlethe _HINTERNET pointer
keythe header parameter name
valuethe header parameter value
Returns
0 if the operation succeeded, -1 in other case.
int freeCookieList ( HINTERNET  hInternet)

Initialize the cookie for a specific index (hInternet.nb)

Parameters
hInternetthe HINTERNET structure to know the cookie index to reset
Returns
1
See also
HINTERNET
size_t header_write_data ( void *  buffer,
size_t  size,
size_t  nmemb,
void *  data 
)

In case of presence of "Set-Cookie" in the headers red, store the cookie identifier in cookie.

Parameters
bufferthe buffer to read
sizesize of each member
nmembnumber of element to read
datathe _HINTERNET structure to write in
Returns
the size red, -1 if buffer is NULL
See also
cookie
void InternetCloseHandle ( HINTERNET handle0)

Close a HINTERNET connection and free allocated resources.

Parameters
handle0the HINTERNET connection to close
HINTERNET InternetOpen ( char *  lpszAgent,
int  dwAccessType,
char *  lpszProxyName,
char *  lpszProxyBypass,
int  dwFlags 
)

Create a HINTERNET.

Parameters
lpszAgentthe HTPP User-Agent to use to send requests
dwAccessTypetype of access required
lpszProxyNamethe name of the proxy server(s) to use
lpszProxyBypassip address or host names which should not be routed through the proxy
dwFlagsOptions (INTERNET_FLAG_ASYNC,INTERNET_FLAG_FROM_CACHE,INTERNET_FLAG_OFFLINE)
Returns
the created HINTERNET
HINTERNET InternetOpenUrl ( HINTERNET hInternet,
LPCTSTR  lpszUrl,
LPCTSTR  lpszHeaders,
size_t  dwHeadersLength,
size_t  dwFlags,
size_t  dwContext 
)

Create a new element in the download queue.

Parameters
hInternetthe HINTERNET connection to add the download link
lpszUrlthe url to download
lpszHeadersthe additional headers to be sent to the HTTP server
dwHeadersLengththe size of the additional headers
dwFlagsdesired download mode (INTERNET_FLAG_NO_CACHE_WRITE for not using cache file)
dwContextnot used
int InternetReadFile ( _HINTERNET  hInternet,
LPVOID  lpBuffer,
int  dwNumberOfBytesToRead,
size_t *  lpdwNumberOfBytesRead 
)

Copy a downloaded content.

Parameters
hInternetthe _HINTERNET structure
lpBufferthe memory space to copy the downloaded content
dwNumberOfBytesToReadthe size of lpBuffer
lpdwNumberOfBytesReadnumber of bytes red
Returns
1 on success, 0 if failure
int isProtectedHost ( const char *  protectedHosts,
const char *  url 
)

Verify if a host is protected (appear in [security] > hosts)

Parameters
protectedHostsstring containing all the protected hosts (coma separated)
urlstring used to extract the host from
Returns
1 if the host is listed as protected, 0 in other case
int processDownloads ( HINTERNET hInternet)

Download all opened urls in the queue.

Parameters
hInternetthe HINTERNET structure containing the queue
Returns
0
int setBasicAuth ( HINTERNET  hInternet,
char *  login,
char *  passwd 
)

Use basic authentication for accessing a resource.

Parameters
hInternetthe _HINTERNET structure
loginthe login to use to authenticate
passwdthe password to use to authenticate
int setProxiesForProtcol ( CURL *  handle,
const char *  proto 
)

MACOSX.

Should autodetect the proxy configuration (do nothing on linux)

Parameters
handlea CURL handle
protothe protocol requiring the use of a proxy
void setProxy ( CURL *  handle,
char *  host,
long  port 
)

Define the proxy to use for a CURL handler.

Parameters
handlethe CURL handler
hostthe proxy host (including http://)
portthe proxy port
size_t write_data_into ( void *  buffer,
size_t  size,
size_t  nmemb,
void *  data 
)

Write the downloaded content to a _HINTERNET structure.

Parameters
bufferthe buffer to read
sizesize of each member
nmembnumber of element to read
datathe _HINTERNET structure to write in
Returns
the size red, -1 if buffer is NULL