path: root/lib/libalpm/dload.c

/*
 *  download.c
 *
 *  Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
 *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
 *
 *  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
 *  (at your option) 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, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>

#ifdef HAVE_LIBCURL
#include <curl/curl.h>
#endif

/* libalpm */
#include "dload.h"
#include "alpm_list.h"
#include "alpm.h"
#include "log.h"
#include "util.h"
#include "handle.h"

#ifdef HAVE_LIBCURL
static const char *get_filename(const char *url)
{
  char *filename = strrchr(url, '/');
  if(filename != NULL) {
    filename++;
  }
  return filename;
}

static char *get_fullpath(const char *path, const char *filename,
    const char *suffix)
{
  char *filepath;
  /* len = localpath len + filename len + suffix len + null */
  size_t len = strlen(path) + strlen(filename) + strlen(suffix) + 1;
  MALLOC(filepath, len, return NULL);
  snprintf(filepath, len, "%s%s%s", path, filename, suffix);

  return filepath;
}

static CURL *get_libcurl_handle(alpm_handle_t *handle)
{
  if(!handle->curl) {
    curl_global_init(CURL_GLOBAL_SSL);
    handle->curl = curl_easy_init();
  }
  return handle->curl;
}

enum {
  ABORT_SIGINT = 1,
  ABORT_OVER_MAXFILESIZE
};

static int dload_interrupted;
static void inthandler(int UNUSED signum)
{
  dload_interrupted = ABORT_SIGINT;
}

static int curl_progress(void *file, double dltotal, double dlnow,
    double UNUSED ultotal,