curl/lib/sendf.c

166 lines
4.2 KiB
C

/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2000, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* In order to be useful for every potential user, curl and libcurl are
* dual-licensed under the MPL and the MIT/X-derivate licenses.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the MPL or the MIT/X-derivate
* licenses. You may pick one of these licenses.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id$
*****************************************************************************/
#include "setup.h"
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
#include <winsock.h>
#endif
#include <curl/curl.h>
#include "urldata.h"
#include "sendf.h"
#define _MPRINTF_REPLACE /* use the internal *printf() functions */
#include <curl/mprintf.h>
#ifdef KRB4
#include "security.h"
#endif
#include <string.h>
/* The last #include file should be: */
#ifdef MALLOCDEBUG
#include "memdebug.h"
#endif
/* infof() is for info message along the way */
void Curl_infof(struct UrlData *data, char *fmt, ...)
{
va_list ap;
if(data->bits.verbose) {
va_start(ap, fmt);
fputs("* ", data->err);
vfprintf(data->err, fmt, ap);
va_end(ap);
}
}
/* failf() is for messages stating why we failed, the LAST one will be
returned for the user (if requested) */
void Curl_failf(struct UrlData *data, char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if(data->errorbuffer)
vsnprintf(data->errorbuffer, CURL_ERROR_SIZE, fmt, ap);
else /* no errorbuffer receives this, write to data->err instead */
vfprintf(data->err, fmt, ap);
va_end(ap);
}
/* sendf() sends the formated data to the server */
size_t Curl_sendf(int fd, struct UrlData *data, char *fmt, ...)
{
size_t bytes_written;
char *s;
va_list ap;
va_start(ap, fmt);
s = vaprintf(fmt, ap);
va_end(ap);
if(!s)
return 0; /* failure */
if(data->bits.verbose)
fprintf(data->err, "> %s", s);
#ifndef USE_SSLEAY
bytes_written = swrite(fd, s, strlen(s));
#else /* USE_SSLEAY */
if (data->ssl.use) {
bytes_written = SSL_write(data->ssl.handle, s, strlen(s));
} else {
bytes_written = swrite(fd, s, strlen(s));
}
#endif /* USE_SSLEAY */
free(s); /* free the output string */
return(bytes_written);
}
/* ssend() sends plain (binary) data to the server */
size_t Curl_ssend(int fd, struct connectdata *conn, void *mem, size_t len)
{
size_t bytes_written;
struct UrlData *data=conn->data; /* conn knows data, not vice versa */
#ifdef USE_SSLEAY
if (data->ssl.use) {
bytes_written = SSL_write(data->ssl.handle, mem, len);
}
else {
#endif
#ifdef KRB4
if(conn->sec_complete) {
bytes_written = sec_write(conn, fd, mem, len);
}
else
#endif /* KRB4 */
bytes_written = swrite(fd, mem, len);
#ifdef USE_SSLEAY
}
#endif
return bytes_written;
}
/* client_write() sends data to the write callback(s)
The bit pattern defines to what "streams" to write to. Body and/or header.
The defines are in sendf.h of course.
*/
CURLcode Curl_client_write(struct UrlData *data,
int type,
char *ptr,
size_t len)
{
size_t wrote;
if(0 == len)
len = strlen(ptr);
if(type & CLIENTWRITE_BODY) {
wrote = data->fwrite(ptr, 1, len, data->out);
if(wrote != len) {
failf (data, "Failed writing body");
return CURLE_WRITE_ERROR;
}
}
if((type & CLIENTWRITE_HEADER) && data->writeheader) {
wrote = data->fwrite(ptr, 1, len, data->writeheader);
if(wrote != len) {
failf (data, "Failed writing header");
return CURLE_WRITE_ERROR;
}
}
return CURLE_OK;
}