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-rw-r--r--tools/dumpimage.c170
1 files changed, 38 insertions, 132 deletions
diff --git a/tools/dumpimage.c b/tools/dumpimage.c
index 542ee28..75a5d47 100644
--- a/tools/dumpimage.c
+++ b/tools/dumpimage.c
@@ -12,112 +12,13 @@
static void usage(void);
-/* image_type_params linked list to maintain registered image types supports */
-static struct image_type_params *dumpimage_tparams;
-
/* parameters initialized by core will be used by the image type code */
static struct image_tool_params params = {
.type = IH_TYPE_KERNEL,
};
-/**
- * dumpimage_register() - register respective image generation/list support
- *
- * the input struct image_type_params is checked and appended to the link
- * list, if the input structure is already registered, issue an error
- *
- * @tparams: Image type parameters
- */
-static void dumpimage_register(struct image_type_params *tparams)
-{
- struct image_type_params **tp;
-
- if (!tparams) {
- fprintf(stderr, "%s: %s: Null input\n", params.cmdname,
- __func__);
- exit(EXIT_FAILURE);
- }
-
- /* scan the linked list, check for registry and point the last one */
- for (tp = &dumpimage_tparams; *tp != NULL; tp = &(*tp)->next) {
- if (!strcmp((*tp)->name, tparams->name)) {
- fprintf(stderr, "%s: %s already registered\n",
- params.cmdname, tparams->name);
- return;
- }
- }
-
- /* add input struct entry at the end of link list */
- *tp = tparams;
- /* mark input entry as last entry in the link list */
- tparams->next = NULL;
-
- debug("Registered %s\n", tparams->name);
-}
-
-/**
- * dumpimage_get_type() - find the image type params for a given image type
- *
- * Scan all registered image types and check the input type_id for each
- * supported image type
- *
- * @return respective image_type_params pointer. If the input type is not
- * supported by any of registered image types, returns NULL
- */
-static struct image_type_params *dumpimage_get_type(int type)
-{
- struct image_type_params *curr;
-
- for (curr = dumpimage_tparams; curr != NULL; curr = curr->next) {
- if (curr->check_image_type) {
- if (!curr->check_image_type(type))
- return curr;
- }
- }
- return NULL;
-}
-
/*
- * dumpimage_verify_print_header() - verifies the image header
- *
- * Scan registered image types and verify the image_header for each
- * supported image type. If verification is successful, this prints
- * the respective header.
- *
- * @return 0 on success, negative if input image format does not match with
- * any of supported image types
- */
-static int dumpimage_verify_print_header(void *ptr, struct stat *sbuf)
-{
- int retval = -1;
- struct image_type_params *curr;
-
- for (curr = dumpimage_tparams; curr != NULL; curr = curr->next) {
- if (curr->verify_header) {
- retval = curr->verify_header((unsigned char *)ptr,
- sbuf->st_size, &params);
- if (retval != 0)
- continue;
- /*
- * Print the image information if verify is
- * successful
- */
- if (curr->print_header) {
- curr->print_header(ptr);
- } else {
- fprintf(stderr,
- "%s: print_header undefined for %s\n",
- params.cmdname, curr->name);
- }
- break;
- }
- }
-
- return retval;
-}
-
-/*
- * dumpimage_extract_datafile -
+ * dumpimage_extract_subimage -
*
* It scans all registered image types,
* verifies image_header for each supported image type
@@ -127,29 +28,27 @@ static int dumpimage_verify_print_header(void *ptr, struct stat *sbuf)
* returns negative if input image format does not match with any of
* supported image types
*/
-static int dumpimage_extract_datafile(void *ptr, struct stat *sbuf)
+static int dumpimage_extract_subimage(struct image_type_params *tparams,
+ void *ptr, struct stat *sbuf)
{
int retval = -1;
- struct image_type_params *curr;
- for (curr = dumpimage_tparams; curr != NULL; curr = curr->next) {
- if (curr->verify_header) {
- retval = curr->verify_header((unsigned char *)ptr,
- sbuf->st_size, &params);
- if (retval != 0)
- continue;
- /*
- * Extract the file from the image
- * if verify is successful
- */
- if (curr->extract_datafile) {
- curr->extract_datafile(ptr, &params);
- } else {
- fprintf(stderr,
- "%s: extract_datafile undefined for %s\n",
- params.cmdname, curr->name);
- break;
- }
+ if (tparams->verify_header) {
+ retval = tparams->verify_header((unsigned char *)ptr,
+ sbuf->st_size, &params);
+ if (retval != 0)
+ return -1;
+ /*
+ * Extract the file from the image
+ * if verify is successful
+ */
+ if (tparams->extract_subimage) {
+ retval = tparams->extract_subimage(ptr, &params);
+ } else {
+ fprintf(stderr,
+ "%s: extract_subimage undefined for %s\n",
+ params.cmdname, tparams->name);
+ return -2;
}
}
@@ -165,12 +64,9 @@ int main(int argc, char **argv)
int retval = 0;
struct image_type_params *tparams = NULL;
- /* Init all image generation/list support */
- register_image_tool(dumpimage_register);
-
params.cmdname = *argv;
- while ((opt = getopt(argc, argv, "li:o:p:V")) != -1) {
+ while ((opt = getopt(argc, argv, "li:o:T:p:V")) != -1) {
switch (opt) {
case 'l':
params.lflag = 1;
@@ -182,6 +78,12 @@ int main(int argc, char **argv)
case 'o':
params.outfile = optarg;
break;
+ case 'T':
+ params.type = genimg_get_type_id(optarg);
+ if (params.type < 0) {
+ usage();
+ }
+ break;
case 'p':
params.pflag = strtoul(optarg, &ptr, 10);
if (*ptr) {
@@ -196,6 +98,7 @@ int main(int argc, char **argv)
exit(EXIT_SUCCESS);
default:
usage();
+ break;
}
}
@@ -203,9 +106,9 @@ int main(int argc, char **argv)
usage();
/* set tparams as per input type_id */
- tparams = dumpimage_get_type(params.type);
+ tparams = imagetool_get_type(params.type);
if (tparams == NULL) {
- fprintf(stderr, "%s: unsupported type %s\n",
+ fprintf(stderr, "%s: unsupported type: %s\n",
params.cmdname, genimg_get_type_name(params.type));
exit(EXIT_FAILURE);
}
@@ -242,7 +145,7 @@ int main(int argc, char **argv)
exit(EXIT_FAILURE);
}
- if ((unsigned)sbuf.st_size < tparams->header_size) {
+ if ((uint32_t)sbuf.st_size < tparams->header_size) {
fprintf(stderr,
"%s: Bad size: \"%s\" is not valid image\n",
params.cmdname, params.imagefile);
@@ -267,13 +170,15 @@ int main(int argc, char **argv)
* Extract the data files from within the matched
* image type. Returns the error code if not matched
*/
- retval = dumpimage_extract_datafile(ptr, &sbuf);
+ retval = dumpimage_extract_subimage(tparams, ptr,
+ &sbuf);
} else {
/*
* Print the image information for matched image type
* Returns the error code if not matched
*/
- retval = dumpimage_verify_print_header(ptr, &sbuf);
+ retval = imagetool_verify_print_header(ptr, &sbuf,
+ tparams, &params);
}
(void)munmap((void *)ptr, sbuf.st_size);
@@ -293,9 +198,10 @@ static void usage(void)
" -l ==> list image header information\n",
params.cmdname);
fprintf(stderr,
- " %s -i image [-p position] [-o outfile] data_file\n"
- " -i ==> extract from the 'image' a specific 'data_file'"
- ", indexed by 'position' (starting at 0)\n",
+ " %s -i image -T type [-p position] [-o outfile] data_file\n"
+ " -i ==> extract from the 'image' a specific 'data_file'\n"
+ " -T ==> set image type to 'type'\n"
+ " -p ==> 'position' (starting at 0) of the 'data_file' inside the 'image'\n",
params.cmdname);
fprintf(stderr,
" %s -V ==> print version information and exit\n",
generated by cgit v1.1 at 2024-12-24 07:19:14 +0000