mirror of
git://git.gnupg.org/gnupg.git
synced 2024-11-04 20:38:50 +01:00
25001837e9
terms of the current HTTP iobuf API. * gpgkeys_curl.c [FAKE_CURL], Makefile.am: If FAKE_CURL is set, link with the iobuf code rather than libcurl.
154 lines
3.2 KiB
C
154 lines
3.2 KiB
C
/* curl-shim.c - Implement a small subset of the curl API in terms of
|
|
* the iobuf HTTP API
|
|
*
|
|
* Copyright (C) 2005 Free Software Foundation, Inc.
|
|
*
|
|
* This file is part of GnuPG.
|
|
*
|
|
* GnuPG 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
|
|
* (at your option) any later version.
|
|
*
|
|
* GnuPG 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
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include "http.h"
|
|
#include "util.h"
|
|
#include "curl-shim.h"
|
|
|
|
static CURLcode handle_error(CURL *curl,CURLcode err,const char *str)
|
|
{
|
|
if(curl->errorbuffer)
|
|
{
|
|
switch(err)
|
|
{
|
|
case CURLE_OK:
|
|
strcpy(curl->errorbuffer,"okay");
|
|
break;
|
|
|
|
case CURLE_COULDNT_CONNECT:
|
|
strcpy(curl->errorbuffer,"couldn't connect");
|
|
break;
|
|
|
|
case CURLE_WRITE_ERROR:
|
|
strcpy(curl->errorbuffer,"write error");
|
|
break;
|
|
|
|
default:
|
|
strcpy(curl->errorbuffer,"generic error");
|
|
break;
|
|
}
|
|
|
|
if(str && (strlen(curl->errorbuffer)+2+strlen(str)+1)<=CURL_ERROR_SIZE)
|
|
{
|
|
strcat(curl->errorbuffer,": ");
|
|
strcat(curl->errorbuffer,str);
|
|
}
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
CURLcode curl_global_init(long flags)
|
|
{
|
|
return CURLE_OK;
|
|
}
|
|
|
|
void curl_global_cleanup(void) {}
|
|
|
|
CURL *curl_easy_init(void)
|
|
{
|
|
return calloc(1,sizeof(CURL));
|
|
}
|
|
|
|
void curl_easy_cleanup(CURL *curl)
|
|
{
|
|
free(curl);
|
|
}
|
|
|
|
CURLcode curl_easy_setopt(CURL *curl,CURLoption option,...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap,option);
|
|
|
|
switch(option)
|
|
{
|
|
case CURLOPT_URL:
|
|
curl->url=va_arg(ap,char *);
|
|
break;
|
|
case CURLOPT_WRITEFUNCTION:
|
|
curl->writer=va_arg(ap,write_func);
|
|
break;
|
|
case CURLOPT_FILE:
|
|
curl->file=va_arg(ap,void *);
|
|
break;
|
|
case CURLOPT_ERRORBUFFER:
|
|
curl->errorbuffer=va_arg(ap,char *);
|
|
break;
|
|
case CURLOPT_PROXY:
|
|
curl->proxy=va_arg(ap,char *);
|
|
break;
|
|
default:
|
|
/* We ignore the huge majority of curl options */
|
|
break;
|
|
}
|
|
|
|
return handle_error(curl,CURLE_OK,NULL);
|
|
}
|
|
|
|
CURLcode curl_easy_perform(CURL *curl)
|
|
{
|
|
int rc;
|
|
CURLcode err=CURLE_OK;
|
|
const char *errstr=NULL;
|
|
|
|
rc=http_open_document(&curl->hd,curl->url,0,curl->proxy);
|
|
if(rc!=0)
|
|
{
|
|
if(rc==G10ERR_NETWORK)
|
|
errstr=strerror(errno);
|
|
else
|
|
errstr=g10_errstr(rc);
|
|
|
|
err=CURLE_COULDNT_CONNECT;
|
|
}
|
|
else
|
|
{
|
|
size_t maxlen=1024,buflen,len;
|
|
byte *line=NULL;
|
|
|
|
while((len=iobuf_read_line(curl->hd.fp_read,&line,&buflen,&maxlen)))
|
|
{
|
|
maxlen=1024;
|
|
size_t ret;
|
|
|
|
ret=(curl->writer)(line,len,1,curl->file);
|
|
if(ret!=len)
|
|
{
|
|
err=CURLE_WRITE_ERROR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
m_free(line);
|
|
http_close(&curl->hd);
|
|
}
|
|
|
|
return handle_error(curl,err,errstr);
|
|
}
|