cmd: efidebug: add uri device path
This adds the URI device path option for 'boot add' subcommand.
User can add the URI load option for downloading ISO image file
or EFI application through network. Currently HTTP is only supported.
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/cmd/efidebug.c b/cmd/efidebug.c
index 201531a..78ef16f 100644
--- a/cmd/efidebug.c
+++ b/cmd/efidebug.c
@@ -19,6 +19,7 @@
#include <log.h>
#include <malloc.h>
#include <mapmem.h>
+#include <net.h>
#include <part.h>
#include <search.h>
#include <linux/ctype.h>
@@ -708,6 +709,65 @@
}
/**
+ * efi_boot_add_uri() - set URI load option
+ *
+ * @argc: Number of arguments
+ * @argv: Argument array
+ * @var_name16: variable name buffer
+ * @var_name16_size: variable name buffer size
+ * @lo: pointer to the load option
+ * @file_path: buffer to set the generated device path pointer
+ * @fp_size: file_path size
+ * Return: CMD_RET_SUCCESS on success,
+ * CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
+ */
+static int efi_boot_add_uri(int argc, char *const argv[], u16 *var_name16,
+ size_t var_name16_size, struct efi_load_option *lo,
+ struct efi_device_path **file_path,
+ efi_uintn_t *fp_size)
+{
+ int id;
+ char *pos;
+ char *endp;
+ u16 *label;
+ efi_uintn_t uridp_len;
+ struct efi_device_path_uri *uridp;
+
+ if (argc < 3 || lo->label)
+ return CMD_RET_USAGE;
+
+ id = (int)hextoul(argv[1], &endp);
+ if (*endp != '\0' || id > 0xffff)
+ return CMD_RET_USAGE;
+
+ label = efi_convert_string(argv[2]);
+ if (!label)
+ return CMD_RET_FAILURE;
+
+ if (!wget_validate_uri(argv[3])) {
+ printf("ERROR: invalid URI\n");
+ return CMD_RET_FAILURE;
+ }
+
+ efi_create_indexed_name(var_name16, var_name16_size, "Boot", id);
+ lo->label = label;
+
+ uridp_len = sizeof(struct efi_device_path) + strlen(argv[3]) + 1;
+ uridp = efi_alloc(uridp_len + sizeof(END));
+ uridp->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
+ uridp->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_URI;
+ uridp->dp.length = uridp_len;
+ strcpy(uridp->uri, argv[3]);
+ pos = (char *)uridp + uridp_len;
+ memcpy(pos, &END, sizeof(END));
+
+ *file_path = &uridp->dp;
+ *fp_size += uridp_len + sizeof(END);
+
+ return CMD_RET_SUCCESS;
+}
+
+/**
* do_efi_boot_add() - set UEFI load option
*
* @cmdtp: Command table
@@ -829,6 +889,21 @@
argc -= 1;
argv += 1;
break;
+ case 'u':
+ if (IS_ENABLED(CONFIG_EFI_HTTP_BOOT)) {
+ r = efi_boot_add_uri(argc, argv, var_name16,
+ sizeof(var_name16), &lo,
+ &file_path, &fp_size);
+ if (r != CMD_RET_SUCCESS)
+ goto out;
+ fp_free = file_path;
+ argc -= 3;
+ argv += 3;
+ } else{
+ r = CMD_RET_USAGE;
+ goto out;
+ }
+ break;
default:
r = CMD_RET_USAGE;
goto out;
@@ -1491,6 +1566,9 @@
" -b|-B <bootid> <label> <interface> <devnum>[:<part>] <file path>\n"
" -i|-I <interface> <devnum>[:<part>] <initrd file path>\n"
" (-b, -i for short form device path)\n"
+#if (IS_ENABLED(CONFIG_EFI_HTTP_BOOT))
+ " -u <bootid> <label> <uri>\n"
+#endif
" -s '<optional data>'\n"
"efidebug boot rm <bootid#1> [<bootid#2> [<bootid#3> [...]]]\n"
" - delete UEFI BootXXXX variables\n"