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hostapd_cli: Replace static usage string with print_help() function

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Replace the static commands usage string with a print_help() function
that reads commands and help text from the array of defined cli
commands.

Signed-off-by: Mikael Kanstrup <mikael.kanstrup@sonymobile.com>
This commit is contained in:
Mikael Kanstrup 2016-07-07 14:04:32 +02:00 committed by Jouni Malinen
parent 1f927cd4cf
commit 01938838b5
1 changed files with 44 additions and 36 deletions
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80
hostapd/hostapd_cli.c
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@ -58,38 +58,6 @@ static const char *const hostapd_cli_full_license =
"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n" "OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
"\n"; "\n";
static const char *const commands_help =
"Commands:\n"
" mib get MIB variables (dot1x, dot11, radius)\n"
" sta <addr> get MIB variables for one station\n"
" all_sta get MIB variables for all stations\n"
" new_sta <addr> add a new station\n"
" deauthenticate <addr> deauthenticate a station\n"
" disassociate <addr> disassociate a station\n"
#ifdef CONFIG_IEEE80211W
" sa_query <addr> send SA Query to a station\n"
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_WPS
" wps_pin <uuid> <pin> [timeout] [addr] add WPS Enrollee PIN\n"
" wps_check_pin <PIN> verify PIN checksum\n"
" wps_pbc indicate button pushed to initiate PBC\n"
" wps_cancel cancel the pending WPS operation\n"
#ifdef CONFIG_WPS_NFC
" wps_nfc_tag_read <hexdump> report read NFC tag with WPS data\n"
" wps_nfc_config_token <WPS/NDEF> build NFC configuration token\n"
" wps_nfc_token <WPS/NDEF/enable/disable> manager NFC password token\n"
#endif /* CONFIG_WPS_NFC */
" wps_ap_pin <cmd> [params..] enable/disable AP PIN\n"
" wps_config <SSID> <auth> <encr> <key> configure AP\n"
" wps_get_status show current WPS status\n"
#endif /* CONFIG_WPS */
" get_config show current configuration\n"
" help show this usage help\n"
" interface [ifname] show interfaces/select interface\n"
" level <debug level> change debug level\n"
" license show full hostapd_cli license\n"
" quit exit hostapd_cli\n";
static struct wpa_ctrl *ctrl_conn; static struct wpa_ctrl *ctrl_conn;
static int hostapd_cli_quit = 0; static int hostapd_cli_quit = 0;
static int hostapd_cli_attached = 0; static int hostapd_cli_attached = 0;
@ -106,6 +74,8 @@ static const char *action_file = NULL;
static int ping_interval = 5; static int ping_interval = 5;
static int interactive = 0; static int interactive = 0;
static void print_help(FILE *stream, const char *cmd);
static void usage(void) static void usage(void)
{ {
@ -129,9 +99,14 @@ static void usage(void)
" -B run a daemon in the background\n" " -B run a daemon in the background\n"
" -i<ifname> Interface to listen on (default: first " " -i<ifname> Interface to listen on (default: first "
"interface found in the\n" "interface found in the\n"
" socket path)\n\n" " socket path)\n\n");
"%s", print_help(stderr, NULL);
commands_help); }
static int str_starts(const char *src, const char *match)
{
return os_strncmp(src, match, os_strlen(match)) == 0;
} }
@ -774,7 +749,7 @@ static int hostapd_cli_cmd_all_sta(struct wpa_ctrl *ctrl, int argc,
static int hostapd_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[]) static int hostapd_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[])
{ {
printf("%s", commands_help); print_help(stdout, argc > 0 ? argv[0] : NULL);
return 0; return 0;
} }
@ -1322,6 +1297,39 @@ static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
}; };
/*
* Prints command usage, lines are padded with the specified string.
*/
static void print_cmd_help(FILE *stream, const struct hostapd_cli_cmd *cmd,
const char *pad)
{
char c;
size_t n;
if (cmd->usage == NULL)
return;
fprintf(stream, "%s%s ", pad, cmd->cmd);
for (n = 0; (c = cmd->usage[n]); n++) {
fprintf(stream, "%c", c);
if (c == '\n')
fprintf(stream, "%s", pad);
}
fprintf(stream, "\n");
}
static void print_help(FILE *stream, const char *cmd)
{
int n;
fprintf(stream, "commands:\n");
for (n = 0; hostapd_cli_commands[n].cmd; n++) {
if (cmd == NULL || str_starts(hostapd_cli_commands[n].cmd, cmd))
print_cmd_help(stream, &hostapd_cli_commands[n], " ");
}
}
static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[]) static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
{ {
const struct hostapd_cli_cmd *cmd, *match = NULL; const struct hostapd_cli_cmd *cmd, *match = NULL;