[PATCH v4 01/11] Revert "Revert "mkeficapsule: Remove dtb related options""
AKASHI Takahiro
takahiro.akashi at linaro.org
Thu Oct 7 08:23:30 CEST 2021
This reverts commit d428e81266a59974ade74c1ba019af39f23304ab.
We have agreed with removing dtb-related stuff from mkeficapsule
command even if the commit 47a25e81d35c ("Revert "efi_capsule: Move
signature from DTB to .rodata"") was applied.
Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
---
tools/mkeficapsule.c | 229 ++-----------------------------------------
1 file changed, 7 insertions(+), 222 deletions(-)
diff --git a/tools/mkeficapsule.c b/tools/mkeficapsule.c
index de0a62898886..4995ba4e0c2a 100644
--- a/tools/mkeficapsule.c
+++ b/tools/mkeficapsule.c
@@ -4,22 +4,17 @@
* Author: AKASHI Takahiro
*/
-#include <errno.h>
#include <getopt.h>
#include <malloc.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
#include <linux/types.h>
-#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include "fdt_host.h"
-
typedef __u8 u8;
typedef __u16 u16;
typedef __u32 u32;
@@ -29,9 +24,6 @@ typedef __s32 s32;
#define aligned_u64 __aligned_u64
-#define SIGNATURE_NODENAME "signature"
-#define OVERLAY_NODENAME "__overlay__"
-
#ifndef __packed
#define __packed __attribute__((packed))
#endif
@@ -52,9 +44,6 @@ static struct option options[] = {
{"raw", required_argument, NULL, 'r'},
{"index", required_argument, NULL, 'i'},
{"instance", required_argument, NULL, 'I'},
- {"dtb", required_argument, NULL, 'D'},
- {"public key", required_argument, NULL, 'K'},
- {"overlay", no_argument, NULL, 'O'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0},
};
@@ -68,187 +57,10 @@ static void print_usage(void)
"\t-r, --raw <raw image> new raw image file\n"
"\t-i, --index <index> update image index\n"
"\t-I, --instance <instance> update hardware instance\n"
- "\t-K, --public-key <key file> public key esl file\n"
- "\t-D, --dtb <dtb file> dtb file\n"
- "\t-O, --overlay the dtb file is an overlay\n"
"\t-h, --help print a help message\n",
tool_name);
}
-static int fdt_add_pub_key_data(void *sptr, void *dptr, size_t key_size,
- bool overlay)
-{
- int parent;
- int ov_node;
- int frag_node;
- int ret = 0;
-
- if (overlay) {
- /*
- * The signature would be stored in the
- * first fragment node of the overlay
- */
- frag_node = fdt_first_subnode(dptr, 0);
- if (frag_node == -FDT_ERR_NOTFOUND) {
- fprintf(stderr,
- "Couldn't find the fragment node: %s\n",
- fdt_strerror(frag_node));
- goto done;
- }
-
- ov_node = fdt_subnode_offset(dptr, frag_node, OVERLAY_NODENAME);
- if (ov_node == -FDT_ERR_NOTFOUND) {
- fprintf(stderr,
- "Couldn't find the __overlay__ node: %s\n",
- fdt_strerror(ov_node));
- goto done;
- }
- } else {
- ov_node = 0;
- }
-
- parent = fdt_subnode_offset(dptr, ov_node, SIGNATURE_NODENAME);
- if (parent == -FDT_ERR_NOTFOUND) {
- parent = fdt_add_subnode(dptr, ov_node, SIGNATURE_NODENAME);
- if (parent < 0) {
- ret = parent;
- if (ret != -FDT_ERR_NOSPACE) {
- fprintf(stderr,
- "Couldn't create signature node: %s\n",
- fdt_strerror(parent));
- }
- }
- }
- if (ret)
- goto done;
-
- /* Write the key to the FDT node */
- ret = fdt_setprop(dptr, parent, "capsule-key",
- sptr, key_size);
-
-done:
- if (ret)
- ret = ret == -FDT_ERR_NOSPACE ? -ENOSPC : -EIO;
-
- return ret;
-}
-
-static int add_public_key(const char *pkey_file, const char *dtb_file,
- bool overlay)
-{
- int ret;
- int srcfd = -1;
- int destfd = -1;
- void *sptr = NULL;
- void *dptr = NULL;
- off_t src_size;
- struct stat pub_key;
- struct stat dtb;
-
- /* Find out the size of the public key */
- srcfd = open(pkey_file, O_RDONLY);
- if (srcfd == -1) {
- fprintf(stderr, "%s: Can't open %s: %s\n",
- __func__, pkey_file, strerror(errno));
- ret = -1;
- goto err;
- }
-
- ret = fstat(srcfd, &pub_key);
- if (ret == -1) {
- fprintf(stderr, "%s: Can't stat %s: %s\n",
- __func__, pkey_file, strerror(errno));
- ret = -1;
- goto err;
- }
-
- src_size = pub_key.st_size;
-
- /* mmap the public key esl file */
- sptr = mmap(0, src_size, PROT_READ, MAP_SHARED, srcfd, 0);
- if (sptr == MAP_FAILED) {
- fprintf(stderr, "%s: Failed to mmap %s:%s\n",
- __func__, pkey_file, strerror(errno));
- ret = -1;
- goto err;
- }
-
- /* Open the dest FDT */
- destfd = open(dtb_file, O_RDWR);
- if (destfd == -1) {
- fprintf(stderr, "%s: Can't open %s: %s\n",
- __func__, dtb_file, strerror(errno));
- ret = -1;
- goto err;
- }
-
- ret = fstat(destfd, &dtb);
- if (ret == -1) {
- fprintf(stderr, "%s: Can't stat %s: %s\n",
- __func__, dtb_file, strerror(errno));
- goto err;
- }
-
- dtb.st_size += src_size + 0x30;
- if (ftruncate(destfd, dtb.st_size)) {
- fprintf(stderr, "%s: Can't expand %s: %s\n",
- __func__, dtb_file, strerror(errno));
- ret = -1;
- goto err;
- }
-
- errno = 0;
- /* mmap the dtb file */
- dptr = mmap(0, dtb.st_size, PROT_READ | PROT_WRITE, MAP_SHARED,
- destfd, 0);
- if (dptr == MAP_FAILED) {
- fprintf(stderr, "%s: Failed to mmap %s:%s\n",
- __func__, dtb_file, strerror(errno));
- ret = -1;
- goto err;
- }
-
- if (fdt_check_header(dptr)) {
- fprintf(stderr, "%s: Invalid FDT header\n", __func__);
- ret = -1;
- goto err;
- }
-
- ret = fdt_open_into(dptr, dptr, dtb.st_size);
- if (ret) {
- fprintf(stderr, "%s: Cannot expand FDT: %s\n",
- __func__, fdt_strerror(ret));
- ret = -1;
- goto err;
- }
-
- /* Copy the esl file to the expanded FDT */
- ret = fdt_add_pub_key_data(sptr, dptr, src_size, overlay);
- if (ret < 0) {
- fprintf(stderr, "%s: Unable to add public key to the FDT\n",
- __func__);
- ret = -1;
- goto err;
- }
-
- ret = 0;
-
-err:
- if (sptr)
- munmap(sptr, src_size);
-
- if (dptr)
- munmap(dptr, dtb.st_size);
-
- if (srcfd != -1)
- close(srcfd);
-
- if (destfd != -1)
- close(destfd);
-
- return ret;
-}
-
static int create_fwbin(char *path, char *bin, efi_guid_t *guid,
unsigned long index, unsigned long instance)
{
@@ -366,22 +178,16 @@ err_1:
int main(int argc, char **argv)
{
char *file;
- char *pkey_file;
- char *dtb_file;
efi_guid_t *guid;
unsigned long index, instance;
int c, idx;
- int ret;
- bool overlay = false;
file = NULL;
- pkey_file = NULL;
- dtb_file = NULL;
guid = NULL;
index = 0;
instance = 0;
for (;;) {
- c = getopt_long(argc, argv, "f:r:i:I:v:D:K:Oh", options, &idx);
+ c = getopt_long(argc, argv, "f:r:i:I:v:h", options, &idx);
if (c == -1)
break;
@@ -408,43 +214,22 @@ int main(int argc, char **argv)
case 'I':
instance = strtoul(optarg, NULL, 0);
break;
- case 'K':
- if (pkey_file) {
- printf("Public Key already specified\n");
- return -1;
- }
- pkey_file = optarg;
- break;
- case 'D':
- if (dtb_file) {
- printf("DTB file already specified\n");
- return -1;
- }
- dtb_file = optarg;
- break;
- case 'O':
- overlay = true;
- break;
case 'h':
print_usage();
return 0;
}
}
- /* need a fit image file or raw image file */
- if (!file && !pkey_file && !dtb_file) {
+ /* need an output file */
+ if (argc != optind + 1) {
print_usage();
exit(EXIT_FAILURE);
}
- if (pkey_file && dtb_file) {
- ret = add_public_key(pkey_file, dtb_file, overlay);
- if (ret == -1) {
- printf("Adding public key to the dtb failed\n");
- exit(EXIT_FAILURE);
- } else {
- exit(EXIT_SUCCESS);
- }
+ /* need a fit image file or raw image file */
+ if (!file) {
+ print_usage();
+ exit(EXIT_SUCCESS);
}
if (create_fwbin(argv[optind], file, guid, index, instance)
--
2.33.0
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