opkg_download.c

   1 /* vi: set noexpandtab sw=4 sts=4: */
   2 /* opkg_download.c - the itsy package management system
   3
   4    Carl D. Worth
   5
   6    Copyright (C) 2001 University of Southern California
   7    Copyright (C) 2008 OpenMoko Inc
   8
   9    This program is free software; you can redistribute it and/or
  10    modify it under the terms of the GNU General Public License as
  11    published by the Free Software Foundation; either version 2, or (at
  12    your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful, but
  15    WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17    General Public License for more details.
  18 */
  19
  20 #include <curl/curl.h>
  21
  22 #include "opkg.h"
  23 #include "opkg_download.h"
  24 #include "opkg_message.h"
  25
  26 #include "sprintf_alloc.h"
  27 #include "xsystem.h"
  28 #include "file_util.h"
  29 #include "str_util.h"
  30
  31 #ifdef OPKG_LIB
  32 #include "libopkg.h"
  33 opkg_download_progress_callback opkg_cb_download_progress = NULL;
  34 #endif
  35
  36 int
  37 curl_progress_func (void* data,
  38                          double t, /* dltotal */
  39                          double d, /* dlnow */
  40                          double ultotal,
  41                          double ulnow)
  42 {
  43     int i;
  44     int p = d*100/t;
  45
  46 #ifdef LIBOPKG
  47     if (opkg_cb_download_progress)
  48     {
  49         opkg_cb_download_progress (p);
  50         return 0;
  51     }
  52 #endif
  53
  54     printf ("\r%3d%% |", p);
  55     for (i = 1; i < 73; i++)
  56     {
  57         if (i <= p * 0.73)
  58             printf ("=");
  59         else
  60             printf ("-");
  61     }
  62     printf ("|");
  63     fflush(stdout);
  64     return 0;
  65 }
  66
  67 int opkg_download(opkg_conf_t *conf, const char *src, const char *dest_file_name)
  68 {
  69     int err = 0;
  70
  71     char *src_basec = strdup(src);
  72     char *src_base = basename(src_basec);
  73     char *tmp_file_location;
  74     char *cmd;
  75
  76     opkg_message(conf,OPKG_NOTICE,"Downloading %s\n", src);
  77
  78     fflush(stdout);
  79
  80     if (str_starts_with(src, "file:")) {
  81         int ret;
  82         const char *file_src = src + 5;
  83         opkg_message(conf,OPKG_INFO,"Copying %s to %s...", file_src, dest_file_name);
  84         ret = file_copy(src + 5, dest_file_name);
  85         opkg_message(conf,OPKG_INFO,"Done\n");
  86         return ret;
  87     }
  88
  89     sprintf_alloc(&tmp_file_location, "%s/%s", conf->tmp_dir, src_base);
  90     err = unlink(tmp_file_location);
  91     if (err && errno != ENOENT) {
  92         opkg_message(conf,OPKG_ERROR, "%s: ERROR: failed to unlink %s: %s\n",
  93                 __FUNCTION__, tmp_file_location, strerror(errno));
  94         free(tmp_file_location);
  95         return errno;
  96     }
  97
  98     if (conf->http_proxy) {
  99         opkg_message(conf,OPKG_DEBUG,"Setting environment variable: http_proxy = %s\n", conf->http_proxy);
 100         setenv("http_proxy", conf->http_proxy, 1);
 101     }
 102     if (conf->ftp_proxy) {
 103         opkg_message(conf,OPKG_DEBUG,"Setting environment variable: ftp_proxy = %s\n", conf->ftp_proxy);
 104         setenv("ftp_proxy", conf->ftp_proxy, 1);
 105     }
 106     if (conf->no_proxy) {
 107         opkg_message(conf,OPKG_DEBUG,"Setting environment variable: no_proxy = %s\n", conf->no_proxy);
 108         setenv("no_proxy", conf->no_proxy, 1);
 109     }
 110
 111     /* XXX: BUG rewrite to use execvp or else busybox's internal wget -Jamey 7/23/2002 */
 112 #if 0
 113     sprintf_alloc(&cmd, "wget --passive-ftp %s %s%s %s%s %s -P %s %s",
 114                   (conf->http_proxy || conf->ftp_proxy) ? "--proxy=on" : "",
 115                   conf->proxy_user ? "--proxy-user=" : "",
 116                   conf->proxy_user ? conf->proxy_user : "",
 117                   conf->proxy_passwd ? "--proxy-passwd=" : "",
 118                   conf->proxy_passwd ? conf->proxy_passwd : "",
 119                   conf->verbose_wget ? "" : "-q",
 120                   conf->tmp_dir,
 121                   src);
 122     err = xsystem(cmd);
 123     if (err) {
 124         if (err != -1) {
 125             opkg_message(conf,OPKG_ERROR, "%s: ERROR: Command failed with return value %d: `%s'\n",
 126                     __FUNCTION__, err, cmd);
 127         }
 128         unlink(tmp_file_location);
 129         free(tmp_file_location);
 130         free(src_basec);
 131         free(cmd);
 132         return EINVAL;
 133     }
 134     free(cmd);
 135 #endif
 136     CURL *curl;
 137     CURLcode res;
 138     FILE * file = fopen (tmp_file_location, "w");
 139
 140     curl = curl_easy_init ();
 141     if (curl)
 142     {
 143         curl_easy_setopt (curl, CURLOPT_URL, src);
 144         curl_easy_setopt (curl, CURLOPT_WRITEDATA, file);
 145         curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);
 146         curl_easy_setopt (curl, CURLOPT_PROGRESSFUNCTION, curl_progress_func);
 147         res = curl_easy_perform (curl);
 148         curl_easy_cleanup (curl);
 149         fclose (file);
 150
 151     }
 152     else
 153         return -1;
 154
 155     printf ("\n");
 156
 157     err = file_move(tmp_file_location, dest_file_name);
 158
 159     free(tmp_file_location);
 160     free(src_basec);
 161
 162     if (err) {
 163         return err;
 164     }
 165
 166     return 0;
 167 }
 168
 169 int opkg_download_pkg(opkg_conf_t *conf, pkg_t *pkg, const char *dir)
 170 {
 171     int err;
 172     char *url;
 173
 174     if (pkg->src == NULL) {
 175         opkg_message(conf,OPKG_ERROR, "ERROR: Package %s (parent %s) is not available from any configured src.\n",
 176                 pkg->name, pkg->parent->name);
 177         return -1;
 178     }
 179
 180     sprintf_alloc(&url, "%s/%s", pkg->src->value, pkg->filename);
 181
 182     /* XXX: BUG: The pkg->filename might be something like
 183        "../../foo.ipk". While this is correct, and exactly what we
 184        want to use to construct url above, here we actually need to
 185        use just the filename part, without any directory. */
 186     sprintf_alloc(&pkg->local_filename, "%s/%s", dir, pkg->filename);
 187
 188     err = opkg_download(conf, url, pkg->local_filename);
 189     free(url);
 190
 191     return err;
 192 }
 193
 194 /*
 195  * Downloads file from url, installs in package database, return package name.
 196  */
 197 int opkg_prepare_url_for_install(opkg_conf_t *conf, const char *url, char **namep)
 198 {
 199      int err = 0;
 200      pkg_t *pkg;
 201      pkg = pkg_new();
 202      if (pkg == NULL)
 203           return ENOMEM;
 204
 205      if (str_starts_with(url, "http://")
 206          || str_starts_with(url, "ftp://")) {
 207           char *tmp_file;
 208           char *file_basec = strdup(url);
 209           char *file_base = basename(file_basec);
 210
 211           sprintf_alloc(&tmp_file, "%s/%s", conf->tmp_dir, file_base);
 212           err = opkg_download(conf, url, tmp_file);
 213           if (err)
 214                return err;
 215
 216           err = pkg_init_from_file(pkg, tmp_file);
 217           if (err)
 218                return err;
 219           pkg->local_filename = strdup(tmp_file);
 220
 221           free(tmp_file);
 222           free(file_basec);
 223
 224      } else if (strcmp(&url[strlen(url) - 4], OPKG_PKG_EXTENSION) == 0
 225                 || strcmp(&url[strlen(url) - 4], DPKG_PKG_EXTENSION) == 0) {
 226
 227           err = pkg_init_from_file(pkg, url);
 228           if (err)
 229                return err;
 230           pkg->local_filename = strdup(url);
 231           opkg_message(conf, OPKG_DEBUG2, "Package %s provided by hand \(%s\).\n", pkg->name,pkg->local_filename);
 232           pkg->provided_by_hand = 1;
 233
 234      } else {
 235        pkg_deinit(pkg);
 236        free(pkg);
 237        return 0;
 238      }
 239
 240      if (!pkg->architecture) {
 241           opkg_message(conf, OPKG_ERROR, "Package %s has no Architecture defined.\n", pkg->name);
 242           return -EINVAL;
 243      }
 244
 245      pkg->dest = conf->default_dest;
 246      pkg->state_want = SW_INSTALL;
 247      pkg->state_flag |= SF_PREFER;
 248      pkg = hash_insert_pkg(&conf->pkg_hash, pkg, 1,conf);
 249      if ( pkg == NULL ){
 250         fprintf(stderr, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__);
 251         return 0;
 252      }
 253      if (namep) {
 254           *namep = strdup(pkg->name);
 255      }
 256      return 0;
 257 }