Mercurial > dropbear

changeset 1687:f8d8af12ac14

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Make "dbclient -m help -c help" work
author Matt Johnston <matt@ucc.asn.au>
date Tue, 26 May 2020 20:15:39 +0800
parents 83d48276885b
children e01f9ec6d177
files cli-runopts.c common-runopts.c
diffstat 2 files changed, 26 insertions(+), 28 deletions(-) [+]
line wrap: on
line diff
--- a/cli-runopts.c	Tue May 26 20:15:00 2020 +0800
+++ b/cli-runopts.c	Tue May 26 20:15:39 2020 +0800
@@ -378,6 +378,11 @@
 		}
 	}
 
+#if DROPBEAR_USER_ALGO_LIST
+	/* -c help doesn't need a hostname */
+	parse_ciphers_macs();
+#endif
+
 	/* Done with options/flags; now handle the hostname (which may not
 	 * start with a hyphen) and optional command */
 
@@ -408,10 +413,6 @@
 
 	/* And now a few sanity checks and setup */
 
-#if DROPBEAR_USER_ALGO_LIST
-	parse_ciphers_macs();
-#endif
-
 #if DROPBEAR_CLI_PROXYCMD                                                                                                                                   
 	if (cli_opts.proxycmd) {
 		/* To match the common path of m_freeing it */
--- a/common-runopts.c	Tue May 26 20:15:00 2020 +0800
+++ b/common-runopts.c	Tue May 26 20:15:39 2020 +0800
@@ -64,38 +64,35 @@
 
 #if DROPBEAR_USER_ALGO_LIST
 void
-parse_ciphers_macs()
-{
-	if (opts.cipher_list)
-	{
-		if (strcmp(opts.cipher_list, "help") == 0)
-		{
+parse_ciphers_macs() {
+	int printed_help = 0;
+	if (opts.cipher_list) {
+		if (strcmp(opts.cipher_list, "help") == 0) {
 			char *ciphers = algolist_string(sshciphers);
-			dropbear_log(LOG_INFO, "Available ciphers:\n%s\n", ciphers);
+			dropbear_log(LOG_INFO, "Available ciphers: %s", ciphers);
 			m_free(ciphers);
-			dropbear_exit(".");
-		}
-
-		if (check_user_algos(opts.cipher_list, sshciphers, "cipher") == 0)
-		{
-			dropbear_exit("No valid ciphers specified for '-c'");
+			printed_help = 1;
+		} else {
+			if (check_user_algos(opts.cipher_list, sshciphers, "cipher") == 0) {
+				dropbear_exit("No valid ciphers specified for '-c'");
+			}
 		}
 	}
 
-	if (opts.mac_list)
-	{
-		if (strcmp(opts.mac_list, "help") == 0)
-		{
+	if (opts.mac_list) {
+		if (strcmp(opts.mac_list, "help") == 0) {
 			char *macs = algolist_string(sshhashes);
-			dropbear_log(LOG_INFO, "Available MACs:\n%s\n", macs);
+			dropbear_log(LOG_INFO, "Available MACs: %s", macs);
 			m_free(macs);
-			dropbear_exit(".");
+			printed_help = 1;
+		} else {
+			if (check_user_algos(opts.mac_list, sshhashes, "MAC") == 0) {
+				dropbear_exit("No valid MACs specified for '-m'");
+			}
 		}
-
-		if (check_user_algos(opts.mac_list, sshhashes, "MAC") == 0)
-		{
-			dropbear_exit("No valid MACs specified for '-m'");
-		}
+	}
+	if (printed_help) {
+		dropbear_exit(".");
 	}
 }
 #endif