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Message-ID: <20230807111316.315836-5-yesshedi@gmail.com>
Date:   Mon,  7 Aug 2023 16:43:12 +0530
From:   Shreenidhi Shedi <yesshedi@...il.com>
To:     dhowells@...hat.com, dwmw2@...radead.org,
        gregkh@...uxfoundation.org, masahiroy@...nel.org,
        nathan@...nel.org, ndesaulniers@...gle.com, nicolas@...sle.eu
Cc:     yesshedi@...il.com, linux-kernel@...r.kernel.org,
        sshedi@...are.com, linux-kbuild@...r.kernel.org
Subject: [PATCH v8 4/8] sign-file: add support to sign modules in bulk

In the existing system, we need to invoke sign-file binary for every
module we want to sign. This patch adds support to give modules list
in bulk and it will sign them all one by one.

Signed-off-by: Shreenidhi Shedi <yesshedi@...il.com>
---
 scripts/sign-file.c | 41 +++++++++++++++++++++++++++--------------
 1 file changed, 27 insertions(+), 14 deletions(-)

diff --git a/scripts/sign-file.c b/scripts/sign-file.c
index 64d5e00f08e2..0a275256ca16 100644
--- a/scripts/sign-file.c
+++ b/scripts/sign-file.c
@@ -224,6 +224,7 @@ struct cmd_opts {
 	bool replace_orig;
 	bool raw_sig;
 	bool sign_only;
+	bool bulk_sign;
 #ifndef USE_PKCS7
 	unsigned int use_keyid;
 #endif
@@ -252,10 +253,10 @@ static void parse_args(int argc, char **argv, struct cmd_opts *opts)
 
 	do {
 #ifndef USE_PKCS7
-		opt = getopt_long_only(argc, argv, "hpds:i:a:x:t:r:",
+		opt = getopt_long_only(argc, argv, "hpdbs:i:a:x:t:r:",
 				cmd_options, &opt_index);
 #else
-		opt = getopt_long_only(argc, argv, "hpdks:i:a:x:t:r:",
+		opt = getopt_long_only(argc, argv, "hpdkbs:i:a:x:t:r:",
 				cmd_options, &opt_index);
 #endif
 		switch (opt) {
@@ -303,6 +304,10 @@ static void parse_args(int argc, char **argv, struct cmd_opts *opts)
 			opts->replace_orig = true;
 			break;
 
+		case 'b':
+			opts->bulk_sign = true;
+			break;
+
 		case -1:
 			break;
 
@@ -460,26 +465,34 @@ static int sign_single_file(struct cmd_opts *opts)
 
 int main(int argc, char **argv)
 {
+	int i;
 	struct cmd_opts opts = {};
 
 	parse_args(argc, argv, &opts);
 	argc -= optind;
 	argv += optind;
 
-	if (!argv[0] || argc != 1)
-		format();
-
-	if (opts.dest_name && strcmp(argv[0], opts.dest_name)) {
-		opts.replace_orig = false;
-	} else {
-		ERR(asprintf(&opts.dest_name, "%s.~signed~", opts.module_name) < 0,
-				"asprintf");
-		opts.replace_orig = true;
-	}
-
 	OpenSSL_add_all_algorithms();
 	ERR_load_crypto_strings();
 	ERR_clear_error();
 
-	return sign_single_file(&opts);
+	for (i = 0; i < argc; ++i) {
+		opts.module_name = argv[i];
+
+		if (!opts.bulk_sign && opts.dest_name && strcmp(argv[i], opts.dest_name)) {
+			opts.replace_orig = false;
+		} else {
+			ERR(asprintf(&opts.dest_name, "%s.~signed~", opts.module_name) < 0,
+				     "asprintf");
+			if (!opts.replace_orig)
+				opts.replace_orig = true;
+		}
+
+		if (sign_single_file(&opts)) {
+			fprintf(stderr, "Failed to sign: %s module\n", opts.module_name);
+			return -1;
+		}
+	}
+
+	return 0;
 }
-- 
2.41.0

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