Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / hci / commands / digest_cmd.c

diff --git a/qemu/roms/ipxe/src/hci/commands/digest_cmd.c b/qemu/roms/ipxe/src/hci/commands/digest_cmd.c
new file mode 100644 (file)
index 0000000..7130806
--- /dev/null
+++ b/qemu/roms/ipxe/src/hci/commands/digest_cmd.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2009 Daniel Verkamp <daniel@drv.nu>.
+ *
+ * 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 any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <ipxe/command.h>
+#include <ipxe/parseopt.h>
+#include <ipxe/image.h>
+#include <ipxe/crypto.h>
+#include <ipxe/md5.h>
+#include <ipxe/sha1.h>
+#include <usr/imgmgmt.h>
+
+/** @file
+ *
+ * Digest commands
+ *
+ */
+
+/** "digest" options */
+struct digest_options {};
+
+/** "digest" option list */
+static struct option_descriptor digest_opts[] = {};
+
+/** "digest" command descriptor */
+static struct command_descriptor digest_cmd =
+       COMMAND_DESC ( struct digest_options, digest_opts, 1, MAX_ARGUMENTS,
+                      "<image> [<image>...]" );
+
+/**
+ * The "digest" command
+ *
+ * @v argc             Argument count
+ * @v argv             Argument list
+ * @v digest           Digest algorithm
+ * @ret rc             Return status code
+ */
+static int digest_exec ( int argc, char **argv,
+                        struct digest_algorithm *digest ) {
+       struct digest_options opts;
+       struct image *image;
+       uint8_t digest_ctx[digest->ctxsize];
+       uint8_t digest_out[digest->digestsize];
+       uint8_t buf[128];
+       size_t offset;
+       size_t len;
+       size_t frag_len;
+       int i;
+       unsigned j;
+       int rc;
+
+       /* Parse options */
+       if ( ( rc = parse_options ( argc, argv, &digest_cmd, &opts ) ) != 0 )
+               return rc;
+
+       for ( i = optind ; i < argc ; i++ ) {
+
+               /* Acquire image */
+               if ( ( rc = imgacquire ( argv[i], 0, &image ) ) != 0 )
+                       continue;
+               offset = 0;
+               len = image->len;
+
+               /* calculate digest */
+               digest_init ( digest, digest_ctx );
+               while ( len ) {
+                       frag_len = len;
+                       if ( frag_len > sizeof ( buf ) )
+                               frag_len = sizeof ( buf );
+                       copy_from_user ( buf, image->data, offset, frag_len );
+                       digest_update ( digest, digest_ctx, buf, frag_len );
+                       len -= frag_len;
+                       offset += frag_len;
+               }
+               digest_final ( digest, digest_ctx, digest_out );
+
+               for ( j = 0 ; j < sizeof ( digest_out ) ; j++ )
+                       printf ( "%02x", digest_out[j] );
+
+               printf ( "  %s\n", image->name );
+       }
+
+       return 0;
+}
+
+static int md5sum_exec ( int argc, char **argv ) {
+       return digest_exec ( argc, argv, &md5_algorithm );
+}
+
+static int sha1sum_exec ( int argc, char **argv ) {
+       return digest_exec ( argc, argv, &sha1_algorithm );
+}
+
+struct command md5sum_command __command = {
+       .name = "md5sum",
+       .exec = md5sum_exec,
+};
+
+struct command sha1sum_command __command = {
+       .name = "sha1sum",
+       .exec = sha1sum_exec,
+};