mirror of
git://git.gnupg.org/gnupg.git
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2833a0eadc
* curl-shim.h, gpgkeys_curl.c (main), gpgkeys_ldap.c (main): Add ca-cert-file option, to pass in the SSL cert.
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
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* the iobuf HTTP API
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*
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* Copyright (C) 2005 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include "http.h"
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#include "util.h"
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#include "curl-shim.h"
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static CURLcode handle_error(CURL *curl,CURLcode err,const char *str)
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{
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if(curl->errorbuffer)
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{
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switch(err)
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{
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case CURLE_OK:
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strcpy(curl->errorbuffer,"okay");
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break;
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case CURLE_COULDNT_CONNECT:
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strcpy(curl->errorbuffer,"couldn't connect");
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break;
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case CURLE_WRITE_ERROR:
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strcpy(curl->errorbuffer,"write error");
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break;
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default:
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strcpy(curl->errorbuffer,"generic error");
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break;
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}
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if(str && (strlen(curl->errorbuffer)+2+strlen(str)+1)<=CURL_ERROR_SIZE)
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{
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strcat(curl->errorbuffer,": ");
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strcat(curl->errorbuffer,str);
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}
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}
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return err;
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}
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CURLcode curl_global_init(long flags)
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{
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return CURLE_OK;
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}
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void curl_global_cleanup(void) {}
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CURL *curl_easy_init(void)
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{
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return calloc(1,sizeof(CURL));
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}
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void curl_easy_cleanup(CURL *curl)
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{
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free(curl);
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}
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CURLcode curl_easy_setopt(CURL *curl,CURLoption option,...)
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{
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va_list ap;
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va_start(ap,option);
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switch(option)
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{
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case CURLOPT_URL:
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curl->url=va_arg(ap,char *);
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break;
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case CURLOPT_WRITEFUNCTION:
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curl->writer=va_arg(ap,write_func);
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break;
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case CURLOPT_FILE:
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curl->file=va_arg(ap,void *);
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break;
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case CURLOPT_ERRORBUFFER:
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curl->errorbuffer=va_arg(ap,char *);
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break;
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case CURLOPT_PROXY:
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curl->proxy=va_arg(ap,char *);
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break;
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default:
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/* We ignore the huge majority of curl options */
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break;
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}
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return handle_error(curl,CURLE_OK,NULL);
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}
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CURLcode curl_easy_perform(CURL *curl)
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{
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int rc;
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CURLcode err=CURLE_OK;
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const char *errstr=NULL;
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rc=http_open_document(&curl->hd,curl->url,0,curl->proxy);
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if(rc!=0)
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{
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if(rc==G10ERR_NETWORK)
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errstr=strerror(errno);
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else
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errstr=g10_errstr(rc);
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err=CURLE_COULDNT_CONNECT;
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}
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else
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{
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unsigned int maxlen=1024,buflen,len;
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byte *line=NULL;
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while((len=iobuf_read_line(curl->hd.fp_read,&line,&buflen,&maxlen)))
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{
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maxlen=1024;
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size_t ret;
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ret=(curl->writer)(line,len,1,curl->file);
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if(ret!=len)
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{
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err=CURLE_WRITE_ERROR;
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break;
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}
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}
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m_free(line);
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http_close(&curl->hd);
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}
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return handle_error(curl,err,errstr);
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}
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