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Add an option to list all services

This commit is contained in:
Přemysl Eric Janouch 2015-05-13 06:49:16 +02:00
parent 30997471e7
commit b2cc2709c6
1 changed files with 41 additions and 1 deletions
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42
ponymap.c
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@ -323,6 +323,7 @@ static void on_generator_step_requested (struct app_context *ctx);
struct app_context
{
struct str_map config; ///< User configuration
bool list_services; ///< Option flag, list all services
unsigned connect_timeout; ///< Timeout for connect() in sec.
unsigned scan_timeout; ///< Timeout for service scans in sec.
@ -1955,6 +1956,7 @@ parse_program_arguments (struct app_context *ctx, int argc, char **argv)
"ports/port ranges, separated by commas" },
{ 's', "service", "SERVICES", 0,
"services to scan for, separated by commas" },
{ 'l', "list-services", NULL, 0, "list all known services" },
{ 't', "connect-timeout", "TIMEOUT", 0,
"timeout for connect, in seconds"
" (default: " XSTRINGIFY (DEFAULT_CONNECT_TIMEOUT) ")" },
@ -1974,6 +1976,7 @@ parse_program_arguments (struct app_context *ctx, int argc, char **argv)
"{ ADDRESS [/MASK] }...", "Experimental network scanner.");
int c;
bool need_no_args = false;
while ((c = opt_handler_get (&oh)) != -1)
switch (c)
{
@ -1995,6 +1998,10 @@ parse_program_arguments (struct app_context *ctx, int argc, char **argv)
if (!list_foreach (optarg, (list_foreach_fn) add_service, ctx))
exit (EXIT_FAILURE);
break;
case 'l':
ctx->list_services = true;
need_no_args = true;
break;
case 't':
if (!xstrtoul (&ul, optarg, 10) || !ul)
{
@ -2027,7 +2034,7 @@ parse_program_arguments (struct app_context *ctx, int argc, char **argv)
argc -= optind;
argv += optind;
if (!argc)
if (!need_no_args && !argc)
{
opt_handler_usage (&oh, stderr);
exit (EXIT_FAILURE);
@ -2040,6 +2047,33 @@ parse_program_arguments (struct app_context *ctx, int argc, char **argv)
opt_handler_free (&oh);
}
static void
list_services (struct app_context *ctx)
{
struct node *root = node_new (strdup ("Known services"));
struct node *s, **s_tail = &root->children;
root->bold = true;
struct str_map_iter iter;
str_map_iter_init (&iter, &ctx->services);
struct service *service;
while ((service = str_map_iter_next (&iter)))
{
struct str line;
str_init (&line);
str_append (&line, service->name);
if (service->flags & SERVICE_SUPPORTS_TLS)
str_append (&line, " (supports TLS)");
*s_tail = s = node_new (str_steal (&line));
s_tail = &s->next;
}
node_print_tree (root);
node_delete (root);
putchar ('\n');
}
int
main (int argc, char *argv[])
{
@ -2086,6 +2120,12 @@ main (int argc, char *argv[])
if (!load_plugins (&ctx))
exit (EXIT_FAILURE);
if (ctx.list_services)
{
list_services (&ctx);
exit (EXIT_SUCCESS);
}
// TODO: make the order unimportant; this hopes all services support
// the plain transport and that it is the first on the list
initialize_tls (&ctx);