General Public License for more details.
*/
#include "config.h"
+#ifdef HAVE_CURL
#include <curl/curl.h>
-#ifdef HAVE_GPGME
+#endif
+#if defined(HAVE_GPGME)
#include <gpgme.h>
+#elif defined(HAVE_OPENSSL)
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/hmac.h>
+
#endif
#include "includes.h"
#include "str_util.h"
#include "opkg_defines.h"
-opkg_download_progress_callback opkg_cb_download_progress = NULL;
-
-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;
-
- 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;
- }
-
- /* 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;
-}
+#ifdef HAVE_OPENSSL
+static X509_STORE *setup_verify(opkg_conf_t *conf, char *CAfile, char *CApath);
+static void init_openssl(void);
+#endif
-int opkg_download(opkg_conf_t *conf, const char *src, const char *dest_file_name)
+int opkg_download(opkg_conf_t *conf, const char *src,
+ const char *dest_file_name, curl_progress_func cb, void *data)
{
int err = 0;
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");
+ free(src_basec);
return ret;
}
opkg_message(conf,OPKG_ERROR, "%s: ERROR: failed to unlink %s: %s\n",
__FUNCTION__, tmp_file_location, strerror(errno));
free(tmp_file_location);
+ free(src_basec);
return errno;
}
setenv("no_proxy", conf->no_proxy, 1);
}
+#ifdef HAVE_CURL
CURL *curl;
CURLcode res;
FILE * file = fopen (tmp_file_location, "w");
{
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_NOPROGRESS, (cb == NULL));
+ if (cb)
+ {
+ curl_easy_setopt (curl, CURLOPT_PROGRESSDATA, data);
+ curl_easy_setopt (curl, CURLOPT_PROGRESSFUNCTION, cb);
+ }
+ curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt (curl, CURLOPT_FAILONERROR, 1);
if (conf->http_proxy || conf->ftp_proxy)
{
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);
+ 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(tmp_file_location);
+ free(src_basec);
return -1;
-
- /* if no custom progress handler was set, we need to clear the default progress bar */
- if (!opkg_cb_download_progress)
- printf ("\n");
+ }
+#else
+ {
+ int res;
+ char *wgetcmd;
+ char *wgetopts;
+ wgetopts = getenv("OPKG_WGETOPTS");
+ sprintf_alloc(&wgetcmd, "wget -q %s%s -O \"%s\" \"%s\"",
+ (conf->http_proxy || conf->ftp_proxy) ? "-Y on " : "",
+ (wgetopts!=NULL) ? wgetopts : "",
+ tmp_file_location, src);
+ opkg_message(conf, OPKG_INFO, "Executing: %s\n", wgetcmd);
+ res = xsystem(wgetcmd);
+ free(wgetcmd);
+ 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 = strdup(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;
pkg->name, pkg->parent->name);
return -1;
}
+ 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 (&pkgid, "%s;%s;%s;", pkg->name, pkg->version, pkg->architecture);
opkg_set_current_state (conf, OPKG_STATE_DOWNLOADING_PKG, 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
+ "../../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);
+ err = opkg_download_cache(conf, url, pkg->local_filename, NULL, NULL);
free(url);
opkg_set_current_state (conf, OPKG_STATE_NONE, NULL);
char *file_base = basename(file_basec);
sprintf_alloc(&tmp_file, "%s/%s", conf->tmp_dir, file_base);
- err = opkg_download(conf, url, tmp_file);
+ err = opkg_download(conf, url, tmp_file, NULL, NULL);
if (err)
return err;
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);
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;
+ gpgme_data_t sig, text, key;
gpgme_error_t err = -1;
gpgme_verify_result_t result;
gpgme_signature_t s;
+ char *trusted_path = NULL;
err = gpgme_new (&ctx);
if (err)
return -1;
+ sprintf_alloc(&trusted_path, "%s/%s", conf->offline_root, "/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;
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;
+
+ init_openssl();
+
+ // 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;
+ }
+
+ // 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
+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;
+
+}
+
+static void init_openssl(void){
+ static int init = 0;
+
+ if(!init){
+ OpenSSL_add_all_algorithms();
+ ERR_load_crypto_strings();
+ init = 1;
+ }
+}
+#endif
projects / oweals / opkg-lede.git / blobdiff