mkimage: fit_image: Add support for SOURCE_DATE_EPOCH in signatures

[u-boot] / tools / imagetool.c

diff --git a/tools/imagetool.c b/tools/imagetool.c
index 148e4662b7b366e2b2400639aa733b59e747865f..b3e628f612f527f7a3ed11afb7c57395ae6a6bab 100644 (file)
--- a/tools/imagetool.c
+++ b/tools/imagetool.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2013
  *
  * Written by Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include "imagetool.h"
@@ -12,16 +11,16 @@
 
 struct image_type_params *imagetool_get_type(int type)
 {
-       struct image_type_params *curr;
-       struct image_type_params *start = ll_entry_start(
-                       struct image_type_params, image_type);
-       struct image_type_params *end = ll_entry_end(
-                       struct image_type_params, image_type);
+       struct image_type_params **curr;
+       INIT_SECTION(image_type);
+
+       struct image_type_params **start = __start_image_type;
+       struct image_type_params **end = __stop_image_type;
 
        for (curr = start; curr != end; curr++) {
-               if (curr->check_image_type) {
-                       if (!curr->check_image_type(type))
-                               return curr;
+               if ((*curr)->check_image_type) {
+                       if (!(*curr)->check_image_type(type))
+                               return *curr;
                }
        }
        return NULL;
@@ -34,16 +33,15 @@ int imagetool_verify_print_header(
        struct image_tool_params *params)
 {
        int retval = -1;
-       struct image_type_params *curr;
+       struct image_type_params **curr;
+       INIT_SECTION(image_type);
 
-       struct image_type_params *start = ll_entry_start(
-                       struct image_type_params, image_type);
-       struct image_type_params *end = ll_entry_end(
-                       struct image_type_params, image_type);
+       struct image_type_params **start = __start_image_type;
+       struct image_type_params **end = __stop_image_type;
 
        for (curr = start; curr != end; curr++) {
-               if (curr->verify_header) {
-                       retval = curr->verify_header((unsigned char *)ptr,
+               if ((*curr)->verify_header) {
+                       retval = (*curr)->verify_header((unsigned char *)ptr,
                                                     sbuf->st_size, params);
 
                        if (retval == 0) {
@@ -51,12 +49,13 @@ int imagetool_verify_print_header(
                                 * Print the image information  if verify is
                                 * successful
                                 */
-                               if (curr->print_header) {
-                                       curr->print_header(ptr);
+                               if ((*curr)->print_header) {
+                                       if (!params->quiet)
+                                               (*curr)->print_header(ptr);
                                } else {
                                        fprintf(stderr,
                                                "%s: print_header undefined for %s\n",
-                                               params->cmdname, curr->name);
+                                               params->cmdname, (*curr)->name);
                                }
                                break;
                        }
@@ -92,3 +91,46 @@ int imagetool_save_subimage(
 
        return 0;
 }
+
+int imagetool_get_filesize(struct image_tool_params *params, const char *fname)
+{
+       struct stat sbuf;
+       int fd;
+
+       fd = open(fname, O_RDONLY | O_BINARY);
+       if (fd < 0) {
+               fprintf(stderr, "%s: Can't open %s: %s\n",
+                       params->cmdname, fname, strerror(errno));
+               return -1;
+       }
+
+       if (fstat(fd, &sbuf) < 0) {
+               fprintf(stderr, "%s: Can't stat %s: %s\n",
+                       params->cmdname, fname, strerror(errno));
+               close(fd);
+               return -1;
+       }
+       close(fd);
+
+       return sbuf.st_size;
+}
+
+time_t imagetool_get_source_date(
+        const char *cmdname,
+        time_t fallback)
+{
+       char *source_date_epoch = getenv("SOURCE_DATE_EPOCH");
+
+       if (source_date_epoch == NULL)
+               return fallback;
+
+       time_t time = (time_t) strtol(source_date_epoch, NULL, 10);
+
+       if (gmtime(&time) == NULL) {
+               fprintf(stderr, "%s: SOURCE_DATE_EPOCH is not valid\n",
+                       cmdname);
+               time = 0;
+       }
+
+       return time;
+}