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Diffstat (limited to 'vtysh/vtysh_main.c')
-rw-r--r--vtysh/vtysh_main.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/vtysh/vtysh_main.c b/vtysh/vtysh_main.c
index 134bcf73..51f376c7 100644
--- a/vtysh/vtysh_main.c
+++ b/vtysh/vtysh_main.c
@@ -138,6 +138,7 @@ usage (int status)
"-c, --command Execute argument as command\n" \
"-d, --daemon Connect only to the specified daemon\n" \
"-E, --echo Echo prompt and command in -c mode\n" \
+ "-C, --dryrun Check configuration for validity and exit\n" \
"-h, --help Display this help and exit\n\n" \
"Note that multiple commands may be executed from the command\n" \
"line by passing multiple -c args, or by embedding linefeed\n" \
@@ -156,6 +157,7 @@ struct option longopts[] =
{ "command", required_argument, NULL, 'c'},
{ "daemon", required_argument, NULL, 'd'},
{ "echo", no_argument, NULL, 'E'},
+ { "dryrun", no_argument, NULL, 'C'},
{ "help", no_argument, NULL, 'h'},
{ 0 }
};
@@ -195,6 +197,7 @@ main (int argc, char **argv, char **env)
{
char *p;
int opt;
+ int dryrun = 0;
int boot_flag = 0;
const char *daemon_name = NULL;
struct cmd_rec {
@@ -210,7 +213,7 @@ main (int argc, char **argv, char **env)
/* Option handling. */
while (1)
{
- opt = getopt_long (argc, argv, "be:c:d:Eh", longopts, 0);
+ opt = getopt_long (argc, argv, "be:c:d:EhC", longopts, 0);
if (opt == EOF)
break;
@@ -242,6 +245,9 @@ main (int argc, char **argv, char **env)
case 'E':
echo_command = 1;
break;
+ case 'C':
+ dryrun = 1;
+ break;
case 'h':
usage (0);
break;
@@ -270,6 +276,10 @@ main (int argc, char **argv, char **env)
/* Read vtysh configuration file before connecting to daemons. */
vtysh_read_config (config_default);
+ /* Start execution only if not in dry-run mode */
+ if(dryrun)
+ return(0);
+
/* Make sure we pass authentication before proceeding. */
vtysh_auth ();