diff options
Diffstat (limited to 'libopkg/opkg_download.c')
| -rw-r--r-- | libopkg/opkg_download.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/libopkg/opkg_download.c b/libopkg/opkg_download.c new file mode 100644 index 0000000..bbd6efe --- /dev/null +++ b/libopkg/opkg_download.c @@ -0,0 +1,346 @@ +/* vi: set noexpandtab sw=4 sts=4: */ +/* opkg_download.c - the itsy package management system + + Carl D. Worth + + Copyright (C) 2001 University of Southern California + Copyright (C) 2008 OpenMoko Inc + + 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, 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. +*/ +#include "config.h" +#include <curl/curl.h> +#ifdef HAVE_GPGME +#include <gpgme.h> +#endif + +#include "opkg.h" +#include "opkg_download.h" +#include "opkg_message.h" +#include "opkg_state.h" + +#include "sprintf_alloc.h" +#include "xsystem.h" +#include "file_util.h" +#include "str_util.h" + +#ifdef OPKG_LIB +#include "libopkg.h" +opkg_download_progress_callback opkg_cb_download_progress = NULL; +#endif + +int +curl_progress_func (char* url, + double t, /* dltotal */ + double d, /* dlnow */ + double ultotal, + double ulnow) +{ + int i; + int p = (t) ? d*100/t : 0; + +#ifdef OPKG_LIB + if (opkg_cb_download_progress) + { + static int prev = -1; + + /* don't report the same percentage multiple times + * (this can occur due to rounding) */ + if (prev == p) + return 0; + prev = p; + + opkg_cb_download_progress (p, url); + return 0; + } +#endif + + /* skip progress bar if we haven't done started yet + * this prevents drawing the progress bar if we receive an error such as + * file not found */ + if (t == 0) + return 0; + + printf ("\r%3d%% |", p); + for (i = 1; i < 73; i++) + { + if (i <= p * 0.73) + printf ("="); + else + printf ("-"); + } + printf ("|"); + fflush(stdout); + return 0; +} + +int opkg_download(opkg_conf_t *conf, const char *src, const char *dest_file_name) +{ + int err = 0; + + char *src_basec = strdup(src); + char *src_base = basename(src_basec); + char *tmp_file_location; + + opkg_message(conf,OPKG_NOTICE,"Downloading %s\n", src); + + fflush(stdout); + + if (str_starts_with(src, "file:")) { + int ret; + const char *file_src = src + 5; + opkg_message(conf,OPKG_INFO,"Copying %s to %s...", file_src, dest_file_name); + ret = file_copy(src + 5, dest_file_name); + opkg_message(conf,OPKG_INFO,"Done\n"); + return ret; + } + + sprintf_alloc(&tmp_file_location, "%s/%s", conf->tmp_dir, src_base); + err = unlink(tmp_file_location); + if (err && errno != ENOENT) { + opkg_message(conf,OPKG_ERROR, "%s: ERROR: failed to unlink %s: %s\n", + __FUNCTION__, tmp_file_location, strerror(errno)); + free(tmp_file_location); + return errno; + } + + if (conf->http_proxy) { + opkg_message(conf,OPKG_DEBUG,"Setting environment variable: http_proxy = %s\n", conf->http_proxy); + setenv("http_proxy", conf->http_proxy, 1); + } + if (conf->ftp_proxy) { + opkg_message(conf,OPKG_DEBUG,"Setting environment variable: ftp_proxy = %s\n", conf->ftp_proxy); + setenv("ftp_proxy", conf->ftp_proxy, 1); + } + if (conf->no_proxy) { + opkg_message(conf,OPKG_DEBUG,"Setting environment variable: no_proxy = %s\n", conf->no_proxy); + setenv("no_proxy", conf->no_proxy, 1); + } + + /* XXX: BUG rewrite to use execvp or else busybox's internal wget -Jamey 7/23/2002 */ +#if 0 + sprintf_alloc(&cmd, "wget --passive-ftp %s %s%s %s%s %s -P %s %s", + (conf->http_proxy || conf->ftp_proxy) ? "--proxy=on" : "", + conf->proxy_user ? "--proxy-user=" : "", + conf->proxy_user ? conf->proxy_user : "", + conf->proxy_passwd ? "--proxy-passwd=" : "", + conf->proxy_passwd ? conf->proxy_passwd : "", + conf->verbose_wget ? "" : "-q", + conf->tmp_dir, + src); + err = xsystem(cmd); + if (err) { + if (err != -1) { + opkg_message(conf,OPKG_ERROR, "%s: ERROR: Command failed with return value %d: `%s'\n", + __FUNCTION__, err, cmd); + } + unlink(tmp_file_location); + free(tmp_file_location); + free(src_basec); + free(cmd); + return EINVAL; + } + free(cmd); +#endif + CURL *curl; + CURLcode res; + FILE * file = fopen (tmp_file_location, "w"); + + curl = curl_easy_init (); + if (curl) + { + curl_easy_setopt (curl, CURLOPT_URL, src); + curl_easy_setopt (curl, CURLOPT_WRITEDATA, file); + curl_easy_setopt (curl, CURLOPT_NOPROGRESS, 0); + curl_easy_setopt (curl, CURLOPT_PROGRESSDATA, src); + curl_easy_setopt (curl, CURLOPT_PROGRESSFUNCTION, curl_progress_func); + curl_easy_setopt (curl, CURLOPT_FAILONERROR, 1); + if (conf->http_proxy || conf->ftp_proxy) + { + char *userpwd; + sprintf_alloc (&userpwd, "%s:%s", conf->proxy_user, + conf->proxy_passwd); + curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, userpwd); + free (userpwd); + } + res = curl_easy_perform (curl); + curl_easy_cleanup (curl); + fclose (file); + if (res) + { + long error_code; + curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &error_code); + opkg_message(conf, OPKG_ERROR, "Failed to download %s, error %d\n", src, error_code); + return res; + } + + } + else + return -1; + + printf ("\n"); + + err = file_move(tmp_file_location, dest_file_name); + + free(tmp_file_location); + free(src_basec); + + if (err) { + return err; + } + + return 0; +} + +int opkg_download_pkg(opkg_conf_t *conf, pkg_t *pkg, const char *dir) +{ + int err; + char *url; + char *pkgid; + + if (pkg->src == NULL) { + opkg_message(conf,OPKG_ERROR, "ERROR: Package %s (parent %s) is not available from any configured src.\n", + pkg->name, pkg->parent->name); + return -1; + } + + sprintf_alloc (&pkgid, "%s;%s;%s;", pkg->name, pkg->version, pkg->architecture); + opkg_set_current_state (OPKG_STATE_DOWNLOADING_PKG, pkgid); + free (pkgid); + + sprintf_alloc(&url, "%s/%s", pkg->src->value, pkg->filename); + + /* XXX: BUG: The pkg->filename might be something like + "../../foo.ipk". While this is correct, and exactly what we + want to use to construct url above, here we actually need to + use just the filename part, without any directory. */ + sprintf_alloc(&pkg->local_filename, "%s/%s", dir, pkg->filename); + + err = opkg_download(conf, url, pkg->local_filename); + free(url); + + opkg_set_current_state (OPKG_STATE_NONE, NULL); + return err; +} + +/* + * Downloads file from url, installs in package database, return package name. + */ +int opkg_prepare_url_for_install(opkg_conf_t *conf, const char *url, char **namep) +{ + int err = 0; + pkg_t *pkg; + pkg = pkg_new(); + if (pkg == NULL) + return ENOMEM; + + if (str_starts_with(url, "http://") + || str_starts_with(url, "ftp://")) { + char *tmp_file; + char *file_basec = strdup(url); + char *file_base = basename(file_basec); + + sprintf_alloc(&tmp_file, "%s/%s", conf->tmp_dir, file_base); + err = opkg_download(conf, url, tmp_file); + if (err) + return err; + + err = pkg_init_from_file(pkg, tmp_file); + if (err) + return err; + pkg->local_filename = strdup(tmp_file); + + free(tmp_file); + free(file_basec); + + } else if (strcmp(&url[strlen(url) - 4], OPKG_PKG_EXTENSION) == 0 + || strcmp(&url[strlen(url) - 4], DPKG_PKG_EXTENSION) == 0) { + + err = pkg_init_from_file(pkg, url); + if (err) + return err; + pkg->local_filename = strdup(url); + opkg_message(conf, OPKG_DEBUG2, "Package %s provided by hand (%s).\n", pkg->name,pkg->local_filename); + pkg->provided_by_hand = 1; + + } else { + pkg_deinit(pkg); + free(pkg); + return 0; + } + + if (!pkg->architecture) { + opkg_message(conf, OPKG_ERROR, "Package %s has no Architecture defined.\n", pkg->name); + return -EINVAL; + } + + pkg->dest = conf->default_dest; + pkg->state_want = SW_INSTALL; + pkg->state_flag |= SF_PREFER; + pkg = hash_insert_pkg(&conf->pkg_hash, pkg, 1,conf); + if ( pkg == NULL ){ + fprintf(stderr, "%s : This should never happen. Report this Bug in bugzilla please \n ",__FUNCTION__); + return 0; + } + if (namep) { + *namep = strdup(pkg->name); + } + return 0; +} + +int +opkg_verify_file (char *text_file, char *sig_file) +{ +#ifdef HAVE_GPGME + int status = -1; + gpgme_ctx_t ctx; + gpgme_data_t sig, text; + gpgme_error_t err = -1; + gpgme_verify_result_t result; + gpgme_signature_t s; + + err = gpgme_new (&ctx); + + if (err) + return -1; + + err = gpgme_data_new_from_file (&sig, sig_file, 1); + if (err) + return -1; + + err = gpgme_data_new_from_file (&text, text_file, 1); + if (err) + return -1; + + err = gpgme_op_verify (ctx, sig, text, NULL); + + result = gpgme_op_verify_result (ctx); + + /* see if any of the signitures matched */ + s = result->signatures; + while (s) + { + status = gpg_err_code (s->status); + if (status == GPG_ERR_NO_ERROR) + break; + s = s->next; + } + + gpgme_data_release (sig); + gpgme_data_release (text); + gpgme_release (ctx); + + return status; +#else + printf ("Signature check skipped because GPG support was not enabled in this build\n"); + return 0; +#endif +} |