#include "opkg_defines.h"
#include "libbb/libbb.h"
-#if defined(HAVE_OPENSSL)
-#include <openssl/conf.h>
-#include <openssl/evp.h>
-#include <openssl/err.h>
-#include <openssl/ssl.h>
-#endif
-
-#if defined(HAVE_OPENSSL)
-#include <openssl/bio.h>
-#include <openssl/objects.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-#include <openssl/hmac.h>
-#endif
-
-#if defined(HAVE_OPENSSL)
-static void openssl_init(void);
-#endif
-
-#ifdef HAVE_OPENSSL
-static X509_STORE *setup_verify(char *CAfile, char *CApath);
-#endif
-
static int str_starts_with(const char *str, const char *prefix)
{
return (strncmp(str, prefix, strlen(prefix)) == 0);
return -1;
return 0;
-#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;
- }
-
- // 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;
return 0;
#endif
}
-
-#if defined(HAVE_OPENSSL)
-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