General Public License for more details.
*/
#include "config.h"
+
+#ifdef HAVE_CURL
#include <curl/curl.h>
-#ifdef HAVE_GPGME
+#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
#include "includes.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"
#include "opkg_defines.h"
+#include "libbb/libbb.h"
-int opkg_download(opkg_conf_t *conf, const char *src, const char *dest_file_name, curl_progress_func cb, void *data)
+#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(opkg_conf_t *conf, 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(opkg_conf_t *conf, curl_progress_func cb, void *data);
+#endif
+
+int opkg_download(opkg_conf_t *conf, const char *src,
+ const char *dest_file_name, curl_progress_func cb, void *data)
{
int err = 0;
- char *src_basec = strdup(src);
+ char *src_basec = xstrdup(src);
char *src_base = basename(src_basec);
char *tmp_file_location;
setenv("no_proxy", conf->no_proxy, 1);
}
- CURL *curl;
+#ifdef HAVE_CURL
CURLcode res;
FILE * file = fopen (tmp_file_location, "w");
- curl = curl_easy_init ();
+ curl = opkg_curl_init (conf, cb, data);
if (curl)
{
curl_easy_setopt (curl, CURLOPT_URL, src);
curl_easy_setopt (curl, CURLOPT_WRITEDATA, file);
- curl_easy_setopt (curl, CURLOPT_NOPROGRESS, (cb == NULL));
- if (cb)
- {
- curl_easy_setopt (curl, CURLOPT_PROGRESSDATA, data);
- curl_easy_setopt (curl, CURLOPT_PROGRESSFUNCTION, cb);
- }
- 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);
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);
+ opkg_message(conf, OPKG_ERROR, "Failed to download %s. \nerror detail: %s\n", src, curl_easy_strerror(res));
free(tmp_file_location);
free(src_basec);
- curl_easy_cleanup (curl);
return res;
}
- curl_easy_cleanup (curl);
}
else
free(src_basec);
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_message(conf, OPKG_ERROR, "Failed to download %s, error %d\n", src, res);
+ free(tmp_file_location);
+ free(src_basec);
+ return res;
+ }
+ }
+#endif
err = file_move(tmp_file_location, dest_file_name);
return 0;
}
+static int opkg_download_cache(opkg_conf_t *conf, 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(conf, src, dest_file_name, cb, data);
+ 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_message(conf, OPKG_NOTICE, "Copying %s\n", cache_location);
+ else {
+ err = opkg_download(conf, src, cache_location, cb, data);
+ 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(opkg_conf_t *conf, pkg_t *pkg, const char *dir)
{
int err;
char *url;
- char *pkgid;
char *stripped_filename;
if (pkg->src == NULL) {
pkg->name, pkg->parent->name);
return -1;
}
-
- sprintf_alloc (&pkgid, "%s;%s;%s;", pkg->name, pkg->version, pkg->architecture);
- opkg_set_current_state (conf, OPKG_STATE_DOWNLOADING_PKG, pkgid);
- free (pkgid);
+ if (pkg->filename == NULL) {
+ opkg_message(conf,OPKG_ERROR, "ERROR: Package %s (parent %s) does not have a valid filename field.\n",pkg->name, pkg->parent->name);
+ return -1;
+ }
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
+ "../../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. */
sprintf_alloc(&pkg->local_filename, "%s/%s", dir, stripped_filename);
- err = opkg_download(conf, url, pkg->local_filename, NULL, NULL);
+ err = opkg_download_cache(conf, url, pkg->local_filename, NULL, NULL);
free(url);
- opkg_set_current_state (conf, OPKG_STATE_NONE, NULL);
return err;
}
{
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_basec = xstrdup(url);
char *file_base = basename(file_basec);
sprintf_alloc(&tmp_file, "%s/%s", conf->tmp_dir, file_base);
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], IPKG_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;
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);
+ *namep = pkg->name;
}
return 0;
}
int
opkg_verify_file (opkg_conf_t *conf, char *text_file, char *sig_file)
{
-#ifdef HAVE_GPGME
+#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_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, conf->signature_ca_file, conf->signature_ca_path))){
+ opkg_message(conf, OPKG_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_message(conf, OPKG_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_message(conf, OPKG_ERROR,
+ "Can't read signature file (Corrupted ?)\n");
+ goto verify_file_end;
+ }
+#if defined(HAVE_PATHFINDER)
+ if(conf->check_x509_path){
+ if(!pkcs7_pathfinder_verify_signers(p7)){
+ opkg_message(conf, OPKG_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_message(conf, OPKG_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_message(conf, OPKG_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
- opkg_message (conf, OPKG_NOTICE, "Signature check for %s was skipped because GPG support was not enabled in this build\n");
+ /* 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(opkg_conf_t *conf, 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_message(conf, OPKG_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_message(conf, OPKG_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(opkg_conf_t *conf, 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_message(conf, OPKG_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_message(conf, OPKG_ERROR, "can't set crypto engine as default\n");
+
+ 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_message(conf, OPKG_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_message(conf, OPKG_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_message(conf, OPKG_DEBUG, "Failed to set key format\n");
+ }
+ }
+ if(conf->ssl_key){
+ if (curl_easy_setopt(curl, CURLOPT_SSLKEY, conf->ssl_key) != CURLE_OK)
+ {
+ opkg_message(conf, OPKG_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_message(conf, OPKG_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