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-rw-r--r--utils/imxtools/sbtools/rsrctool.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/utils/imxtools/sbtools/rsrctool.c b/utils/imxtools/sbtools/rsrctool.c
new file mode 100644
index 0000000000..cb0582245a
--- /dev/null
+++ b/utils/imxtools/sbtools/rsrctool.c
@@ -0,0 +1,198 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2012 Amaury Pouly
+ *
+ * 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
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#define _ISOC99_SOURCE /* snprintf() */
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+#include <stdarg.h>
+#include <strings.h>
+#include <getopt.h>
+
+#include "crypto.h"
+#include "rsrc.h"
+#include "misc.h"
+
+/* all blocks are sized as a multiple of 0x1ff */
+#define PAD_TO_BOUNDARY(x) (((x) + 0x1ff) & ~0x1ff)
+
+/* If you find a firmware that breaks the known format ^^ */
+#define assert(a) do { if(!(a)) { fprintf(stderr,"Assertion \"%s\" failed in %s() line %d!\n\nPlease send us your firmware!\n",#a,__func__,__LINE__); exit(1); } } while(0)
+
+#define crypto_cbc(...) \
+ do { int ret = crypto_cbc(__VA_ARGS__); \
+ if(ret != CRYPTO_ERROR_SUCCESS) \
+ bug("crypto_cbc error: %d\n", ret); \
+ }while(0)
+
+/* globals */
+
+char *g_out_prefix;
+
+static void extract_rsrc_file(struct rsrc_file_t *file)
+{
+
+}
+
+static void usage(void)
+{
+ printf("Usage: rsrctool [options] rsrc-file\n");
+ printf("Options:\n");
+ printf(" -?/--help\tDisplay this message\n");
+ printf(" -o <prefix>\tEnable output and set prefix\n");
+ printf(" -d/--debug\tEnable debug output*\n");
+ printf(" -k <file>\tAdd key file\n");
+ printf(" -z\t\tAdd zero key\n");
+ printf(" -a/--add-key <key>\tAdd single key (hex or usbotp)\n");
+ printf(" -n/--no-color\tDisable output colors\n");
+ printf(" -l/--loopback <file>\tProduce rsrc file out of extracted description*\n");
+ printf(" -f/--force\tForce reading even without a key*\n");
+ printf("Options marked with a * are for debug purpose only\n");
+ exit(1);
+}
+
+static void rsrc_printf(void *user, bool error, color_t c, const char *fmt, ...)
+{
+ (void) user;
+ (void) error;
+ va_list args;
+ va_start(args, fmt);
+ color(c);
+ vprintf(fmt, args);
+ va_end(args);
+}
+
+static struct crypto_key_t g_zero_key =
+{
+ .method = CRYPTO_KEY,
+ .u.key = {0}
+};
+
+int main(int argc, char **argv)
+{
+ const char *loopback = NULL;
+
+ while(1)
+ {
+ static struct option long_options[] =
+ {
+ {"help", no_argument, 0, '?'},
+ {"debug", no_argument, 0, 'd'},
+ {"add-key", required_argument, 0, 'a'},
+ {"no-color", no_argument, 0, 'n'},
+ {"loopback", required_argument, 0, 'l'},
+ {"force", no_argument, 0, 'f' },
+ {0, 0, 0, 0}
+ };
+
+ int c = getopt_long(argc, argv, "?do:k:za:nl:f", long_options, NULL);
+ if(c == -1)
+ break;
+ switch(c)
+ {
+ case -1:
+ break;
+ case 'l':
+ if(loopback)
+ bug("Only one loopback file can be specified !\n");
+ loopback = optarg;
+ break;
+ case 'n':
+ enable_color(false);
+ break;
+ case 'd':
+ g_debug = true;
+ break;
+ case '?':
+ usage();
+ break;
+ case 'o':
+ g_out_prefix = optarg;
+ break;
+ case 'f':
+ g_force = true;
+ break;
+ case 'k':
+ {
+ if(!add_keys_from_file(optarg))
+ bug("Cannot add keys from %s\n", optarg);
+ break;
+ }
+ case 'z':
+ {
+ add_keys(&g_zero_key, 1);
+ break;
+ }
+ case 'a':
+ {
+ struct crypto_key_t key;
+ char *s = optarg;
+ if(!parse_key(&s, &key))
+ bug("Invalid key specified as argument\n");
+ if(*s != 0)
+ bug("Trailing characters after key specified as argument\n");
+ add_keys(&key, 1);
+ break;
+ }
+ default:
+ abort();
+ }
+ }
+
+ if(argc - optind != 1)
+ {
+ usage();
+ return 1;
+ }
+
+ const char *rsrc_filename = argv[optind];
+
+ enum rsrc_error_t err;
+ struct rsrc_file_t *file = rsrc_read_file(rsrc_filename, NULL, rsrc_printf, &err);
+ if(file == NULL)
+ {
+ color(OFF);
+ printf("RSRC read failed: %d\n", err);
+ return 1;
+ }
+
+ color(OFF);
+ if(g_out_prefix)
+ extract_rsrc_file(file);
+ if(g_debug)
+ {
+ color(GREY);
+ printf("[Debug output]\n");
+ rsrc_dump(file, NULL, rsrc_printf);
+ }
+ if(loopback)
+ {
+ rsrc_write_file(file, loopback);
+ }
+ rsrc_free(file);
+ clear_keys();
+
+ return 0;
+}
+