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-rw-r--r--src/libopkg/.svn/text-base/opkg_download.c.svn-base679
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diff --git a/src/libopkg/.svn/text-base/opkg_download.c.svn-base b/src/libopkg/.svn/text-base/opkg_download.c.svn-base
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index e53e64e..0000000
--- a/src/libopkg/.svn/text-base/opkg_download.c.svn-base
+++ /dev/null
@@ -1,679 +0,0 @@
-/* vi: set noexpandtab sw=4 sts=4: */
-/* opkg_download.c - the opkg 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 <stdio.h>
-#include <unistd.h>
-#include <libgen.h>
-
-#include "opkg_download.h"
-#include "opkg_message.h"
-
-#include "sprintf_alloc.h"
-#include "xsystem.h"
-#include "file_util.h"
-#include "opkg_defines.h"
-#include "libbb/libbb.h"
-
-#ifdef HAVE_CURL
-#include <curl/curl.h>
-#endif
-
-#if defined(HAVE_SSLCURL) || defined(HAVE_OPENSSL)
-#include <openssl/conf.h>
-#include <openssl/evp.h>
-#include <openssl/err.h>
-#include <openssl/ssl.h>
-#endif
-
-#if defined(HAVE_GPGME)
-#include <gpgme.h>
-#elif defined(HAVE_OPENSSL)
-#include <openssl/bio.h>
-#include <openssl/objects.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-#include <openssl/hmac.h>
-#endif
-
-#ifdef HAVE_PATHFINDER
-#include "opkg_pathfinder.h"
-#endif
-
-#if defined(HAVE_OPENSSL) || defined(HAVE_SSLCURL)
-static void openssl_init(void);
-#endif
-
-#ifdef HAVE_OPENSSL
-static X509_STORE *setup_verify(char *CAfile, char *CApath);
-#endif
-
-#ifdef HAVE_CURL
-/*
- * Make curl an instance variable so we don't have to instanciate it
- * each time
- */
-static CURL *curl = NULL;
-static CURL *opkg_curl_init(curl_progress_func cb, void *data);
-#endif
-
-static int
-str_starts_with(const char *str, const char *prefix)
-{
- return (strncmp(str, prefix, strlen(prefix)) == 0);
-}
-
-int
-opkg_download(const char *src, const char *dest_file_name,
- curl_progress_func cb, void *data, const short hide_error)
-{
- int err = 0;
-
- char *src_basec = xstrdup(src);
- char *src_base = basename(src_basec);
- char *tmp_file_location;
-
- opkg_msg(NOTICE,"Downloading %s.\n", src);
-
- if (str_starts_with(src, "file:")) {
- const char *file_src = src + 5;
- opkg_msg(INFO, "Copying %s to %s...", file_src, dest_file_name);
- err = file_copy(file_src, dest_file_name);
- opkg_msg(INFO, "Done.\n");
- free(src_basec);
- return err;
- }
-
- sprintf_alloc(&tmp_file_location, "%s/%s", conf->tmp_dir, src_base);
- free(src_basec);
- err = unlink(tmp_file_location);
- if (err && errno != ENOENT) {
- opkg_perror(ERROR, "Failed to unlink %s", tmp_file_location);
- free(tmp_file_location);
- return -1;
- }
-
- if (conf->http_proxy) {
- opkg_msg(DEBUG, "Setting environment variable: http_proxy = %s.\n",
- conf->http_proxy);
- setenv("http_proxy", conf->http_proxy, 1);
- }
- if (conf->ftp_proxy) {
- opkg_msg(DEBUG, "Setting environment variable: ftp_proxy = %s.\n",
- conf->ftp_proxy);
- setenv("ftp_proxy", conf->ftp_proxy, 1);
- }
- if (conf->no_proxy) {
- opkg_msg(DEBUG,"Setting environment variable: no_proxy = %s.\n",
- conf->no_proxy);
- setenv("no_proxy", conf->no_proxy, 1);
- }
-
-#ifdef HAVE_CURL
- CURLcode res;
- FILE * file = fopen (tmp_file_location, "w");
-
- curl = opkg_curl_init (cb, data);
- if (curl)
- {
- curl_easy_setopt (curl, CURLOPT_URL, src);
- curl_easy_setopt (curl, CURLOPT_WRITEDATA, file);
-
- res = curl_easy_perform (curl);
- fclose (file);
- if (res)
- {
- long error_code;
- curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &error_code);
- opkg_msg(hide_error?DEBUG2:ERROR, "Failed to download %s: %s.\n",
- src, curl_easy_strerror(res));
- free(tmp_file_location);
- return -1;
- }
-
- }
- else
- {
- free(tmp_file_location);
- return -1;
- }
-#else
- {
- int res;
- const char *argv[8];
- int i = 0;
-
- argv[i++] = "wget";
- argv[i++] = "-q";
- if (conf->http_proxy || conf->ftp_proxy) {
- argv[i++] = "-Y";
- argv[i++] = "on";
- }
- argv[i++] = "-O";
- argv[i++] = tmp_file_location;
- argv[i++] = src;
- argv[i++] = NULL;
- res = xsystem(argv);
-
- if (res) {
- opkg_msg(ERROR, "Failed to download %s, wget returned %d.\n", src, res);
- free(tmp_file_location);
- return -1;
- }
- }
-#endif
-
- err = file_move(tmp_file_location, dest_file_name);
-
- free(tmp_file_location);
-
- return err;
-}
-
-static int
-opkg_download_cache(const char *src, const char *dest_file_name,
- curl_progress_func cb, void *data)
-{
- char *cache_name = xstrdup(src);
- char *cache_location, *p;
- int err = 0;
-
- if (!conf->cache || str_starts_with(src, "file:")) {
- err = opkg_download(src, dest_file_name, cb, data, 0);
- goto out1;
- }
-
- if(!file_is_dir(conf->cache)){
- opkg_msg(ERROR, "%s is not a directory.\n",
- conf->cache);
- err = 1;
- goto out1;
- }
-
- for (p = cache_name; *p; p++)
- if (*p == '/')
- *p = ','; /* looks nicer than | or # */
-
- sprintf_alloc(&cache_location, "%s/%s", conf->cache, cache_name);
- if (file_exists(cache_location))
- opkg_msg(NOTICE, "Copying %s.\n", cache_location);
- else {
- /* cache file with funky name not found, try simple name */
- free(cache_name);
- char *filename = strrchr(dest_file_name,'/');
- if (filename)
- cache_name = xstrdup(filename+1); // strip leading '/'
- else
- cache_name = xstrdup(dest_file_name);
- free(cache_location);
- sprintf_alloc(&cache_location, "%s/%s", conf->cache, cache_name);
- if (file_exists(cache_location))
- opkg_msg(NOTICE, "Copying %s.\n", cache_location);
- else {
- err = opkg_download(src, cache_location, cb, data, 0);
- if (err) {
- (void) unlink(cache_location);
- goto out2;
- }
- }
- }
-
- err = file_copy(cache_location, dest_file_name);
-
-
-out2:
- free(cache_location);
-out1:
- free(cache_name);
- return err;
-}
-
-int
-opkg_download_pkg(pkg_t *pkg, const char *dir)
-{
- int err;
- char *url;
- char *stripped_filename;
-
- if (pkg->src == NULL) {
- opkg_msg(ERROR, "Package %s is not available from any configured src.\n",
- pkg->name);
- return -1;
- }
- if (pkg->filename == NULL) {
- opkg_msg(ERROR, "Package %s does not have a valid filename field.\n",
- pkg->name);
- return -1;
- }
-
- sprintf_alloc(&url, "%s/%s", pkg->src->value, pkg->filename);
-
- /* The pkg->filename might be something like
- "../../foo.opk". 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. */
-
- stripped_filename = strrchr(pkg->filename, '/');
- if ( ! stripped_filename )
- stripped_filename = pkg->filename;
-
- sprintf_alloc(&pkg->local_filename, "%s/%s", dir, stripped_filename);
-
- err = opkg_download_cache(url, pkg->local_filename, NULL, NULL);
- free(url);
-
- return err;
-}
-
-/*
- * Downloads file from url, installs in package database, return package name.
- */
-int
-opkg_prepare_url_for_install(const char *url, char **namep)
-{
- int err = 0;
- pkg_t *pkg;
-
- pkg = pkg_new();
-
- if (str_starts_with(url, "http://")
- || str_starts_with(url, "ftp://")) {
- char *tmp_file;
- char *file_basec = xstrdup(url);
- char *file_base = basename(file_basec);
-
- sprintf_alloc(&tmp_file, "%s/%s", conf->tmp_dir, file_base);
- err = opkg_download(url, tmp_file, NULL, NULL, 0);
- if (err)
- return err;
-
- err = pkg_init_from_file(pkg, tmp_file);
- if (err)
- return err;
-
- free(tmp_file);
- free(file_basec);
-
- } else if (strcmp(&url[strlen(url) - 4], OPKG_PKG_EXTENSION) == 0
- || strcmp(&url[strlen(url) - 4], IPKG_PKG_EXTENSION) == 0
- || strcmp(&url[strlen(url) - 4], DPKG_PKG_EXTENSION) == 0) {
-
- err = pkg_init_from_file(pkg, url);
- if (err)
- return err;
- opkg_msg(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;
- }
-
- pkg->dest = conf->default_dest;
- pkg->state_want = SW_INSTALL;
- pkg->state_flag |= SF_PREFER;
- hash_insert_pkg(pkg, 1);
-
- if (namep) {
- *namep = pkg->name;
- }
- return 0;
-}
-
-int
-opkg_verify_file (char *text_file, char *sig_file)
-{
-#if defined HAVE_GPGME
- if (conf->check_signature == 0 )
- return 0;
- int status = -1;
- gpgme_ctx_t ctx;
- gpgme_data_t sig, text, key;
- gpgme_error_t err;
- gpgme_verify_result_t result;
- gpgme_signature_t s;
- char *trusted_path = NULL;
-
- gpgme_check_version (NULL);
-
- err = gpgme_new (&ctx);
-
- if (err)
- return -1;
-
- trusted_path = root_filename_alloc("/etc/opkg/trusted.gpg");
- err = gpgme_data_new_from_file (&key, trusted_path, 1);
- free (trusted_path);
- if (err)
- {
- return -1;
- }
- err = gpgme_op_import (ctx, key);
- if (err)
- {
- gpgme_data_release (key);
- return -1;
- }
- gpgme_data_release (key);
-
- err = gpgme_data_new_from_file (&sig, sig_file, 1);
- if (err)
- {
- gpgme_release (ctx);
- return -1;
- }
-
- err = gpgme_data_new_from_file (&text, text_file, 1);
- if (err)
- {
- gpgme_data_release (sig);
- gpgme_release (ctx);
- return -1;
- }
-
- err = gpgme_op_verify (ctx, sig, text, NULL);
-
- result = gpgme_op_verify_result (ctx);
- if (!result)
- return -1;
-
- /* 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;
-#elif defined HAVE_OPENSSL
- X509_STORE *store = NULL;
- PKCS7 *p7 = NULL;
- BIO *in = NULL, *indata = NULL;
-
- // Sig check failed by default !
- int status = -1;
-
- openssl_init();
-
- // Set-up the key store
- if(!(store = setup_verify(conf->signature_ca_file, conf->signature_ca_path))){
- opkg_msg(ERROR, "Can't open CA certificates.\n");
- goto verify_file_end;
- }
-
- // Open a BIO to read the sig file
- if (!(in = BIO_new_file(sig_file, "rb"))){
- opkg_msg(ERROR, "Can't open signature file %s.\n", sig_file);
- goto verify_file_end;
- }
-
- // Read the PKCS7 block contained in the sig file
- p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
- if(!p7){
- opkg_msg(ERROR, "Can't read signature file %s (Corrupted ?).\n",
- sig_file);
- goto verify_file_end;
- }
-#if defined(HAVE_PATHFINDER)
- if(conf->check_x509_path){
- if(!pkcs7_pathfinder_verify_signers(p7)){
- opkg_msg(ERROR, "pkcs7_pathfinder_verify_signers: "
- "Path verification failed.\n");
- goto verify_file_end;
- }
- }
-#endif
-
- // Open the Package file to authenticate
- if (!(indata = BIO_new_file(text_file, "rb"))){
- opkg_msg(ERROR, "Can't open file %s.\n", text_file);
- goto verify_file_end;
- }
-
- // Let's verify the autenticity !
- if (PKCS7_verify(p7, NULL, store, indata, NULL, PKCS7_BINARY) != 1){
- // Get Off My Lawn!
- opkg_msg(ERROR, "Verification failure.\n");
- }else{
- // Victory !
- status = 0;
- }
-
-verify_file_end:
- BIO_free(in);
- BIO_free(indata);
- PKCS7_free(p7);
- X509_STORE_free(store);
-
- return status;
-#else
- /* mute `unused variable' warnings. */
- (void) sig_file;
- (void) text_file;
- (void) conf;
- return 0;
-#endif
-}
-
-
-#if defined(HAVE_OPENSSL) || defined(HAVE_SSLCURL)
-static void openssl_init(void){
- static int init = 0;
-
- if(!init){
- OPENSSL_config(NULL);
- OpenSSL_add_all_algorithms();
- ERR_load_crypto_strings();
- init = 1;
- }
-}
-
-#endif
-
-
-#if defined HAVE_OPENSSL
-static X509_STORE *
-setup_verify(char *CAfile, char *CApath)
-{
- X509_STORE *store = NULL;
- X509_LOOKUP *lookup = NULL;
-
- if(!(store = X509_STORE_new())){
- // Something bad is happening...
- goto end;
- }
-
- // adds the X509 file lookup method
- lookup = X509_STORE_add_lookup(store,X509_LOOKUP_file());
- if (lookup == NULL){
- goto end;
- }
-
- // Autenticating against one CA file
- if (CAfile) {
- if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
- // Invalid CA => Bye bye
- opkg_msg(ERROR, "Error loading file %s.\n", CAfile);
- goto end;
- }
- } else {
- X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
- }
-
- // Now look into CApath directory if supplied
- lookup = X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
- if (lookup == NULL){
- goto end;
- }
-
- if (CApath) {
- if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
- opkg_msg(ERROR, "Error loading directory %s.\n", CApath);
- goto end;
- }
- } else {
- X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
- }
-
- // All right !
- ERR_clear_error();
- return store;
-
-end:
-
- X509_STORE_free(store);
- return NULL;
-
-}
-
-#endif
-
-#ifdef HAVE_CURL
-void opkg_curl_cleanup(void){
- if(curl != NULL){
- curl_easy_cleanup (curl);
- curl = NULL;
- }
-}
-
-static CURL *
-opkg_curl_init(curl_progress_func cb, void *data)
-{
-
- if(curl == NULL){
- curl = curl_easy_init();
-
-#ifdef HAVE_SSLCURL
- openssl_init();
-
- if (conf->ssl_engine) {
-
- /* use crypto engine */
- if (curl_easy_setopt(curl, CURLOPT_SSLENGINE, conf->ssl_engine) != CURLE_OK){
- opkg_msg(ERROR, "Can't set crypto engine '%s'.\n",
- conf->ssl_engine);
-
- opkg_curl_cleanup();
- return NULL;
- }
- /* set the crypto engine as default */
- if (curl_easy_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L) != CURLE_OK){
- opkg_msg(ERROR, "Can't set crypto engine '%s' as default.\n",
- conf->ssl_engine);
-
- opkg_curl_cleanup();
- return NULL;
- }
- }
-
- /* cert & key can only be in PEM case in the same file */
- if(conf->ssl_key_passwd){
- if (curl_easy_setopt(curl, CURLOPT_SSLKEYPASSWD, conf->ssl_key_passwd) != CURLE_OK)
- {
- opkg_msg(DEBUG, "Failed to set key password.\n");
- }
- }
-
- /* sets the client certificate and its type */
- if(conf->ssl_cert_type){
- if (curl_easy_setopt(curl, CURLOPT_SSLCERTTYPE, conf->ssl_cert_type) != CURLE_OK)
- {
- opkg_msg(DEBUG, "Failed to set certificate format.\n");
- }
- }
- /* SSL cert name isn't mandatory */
- if(conf->ssl_cert){
- curl_easy_setopt(curl, CURLOPT_SSLCERT, conf->ssl_cert);
- }
-
- /* sets the client key and its type */
- if(conf->ssl_key_type){
- if (curl_easy_setopt(curl, CURLOPT_SSLKEYTYPE, conf->ssl_key_type) != CURLE_OK)
- {
- opkg_msg(DEBUG, "Failed to set key format.\n");
- }
- }
- if(conf->ssl_key){
- if (curl_easy_setopt(curl, CURLOPT_SSLKEY, conf->ssl_key) != CURLE_OK)
- {
- opkg_msg(DEBUG, "Failed to set key.\n");
- }
- }
-
- /* Should we verify the peer certificate ? */
- if(conf->ssl_dont_verify_peer){
- /*
- * CURLOPT_SSL_VERIFYPEER default is nonzero (curl => 7.10)
- */
- curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
- }else{
-#ifdef HAVE_PATHFINDER
- if(conf->check_x509_path){
- if (curl_easy_setopt(curl, CURLOPT_SSL_CTX_FUNCTION, curl_ssl_ctx_function) != CURLE_OK){
- opkg_msg(DEBUG, "Failed to set ssl path verification callback.\n");
- }else{
- curl_easy_setopt(curl, CURLOPT_SSL_CTX_DATA, NULL);
- }
- }
-#endif
- }
-
- /* certification authority file and/or path */
- if(conf->ssl_ca_file){
- curl_easy_setopt(curl, CURLOPT_CAINFO, conf->ssl_ca_file);
- }
- if(conf->ssl_ca_path){
- curl_easy_setopt(curl, CURLOPT_CAPATH, conf->ssl_ca_path);
- }
-#endif
-
- curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1);
- 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);
- }
- }
-
- curl_easy_setopt (curl, CURLOPT_NOPROGRESS, (cb == NULL));
- if (cb)
- {
- curl_easy_setopt (curl, CURLOPT_PROGRESSDATA, data);
- curl_easy_setopt (curl, CURLOPT_PROGRESSFUNCTION, cb);
- }
-
- return curl;
-
-}
-#endif