diff options
Diffstat (limited to 'src/options.c')
| -rw-r--r-- | src/options.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/options.c b/src/options.c index 2a84a06..7ac026e 100644 --- a/src/options.c +++ b/src/options.c @@ -23,6 +23,25 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/** + \file + + Handling of command line options + + + \def OPTION + Defines a command line option without argument + + \def OPTION_ARG + Defines a command line option with an argument + + \def OR + Separates multiple alternative options with the same meaning + + \def SEPARATOR + Separates groups of related options +*/ + #include "fastd.h" #include "config.h" @@ -32,6 +51,7 @@ #include <arpa/inet.h> +/** Prints the usage message for a single command line option */ static void print_usage(const char *options, const char *message) { /* 28 spaces */ static const char spaces[] = {[0 ... 27] = ' ', [28] = 0}; @@ -48,6 +68,8 @@ static void print_usage(const char *options, const char *message) { puts(message); } + +/** Prints the usage message and exits */ static void usage(void) { puts("fastd (Fast and Secure Tunnelling Daemon) " FASTD_VERSION " usage:\n"); @@ -64,21 +86,27 @@ static void usage(void) { exit(0); } + + +/** Prints fastd's version and exits */ static void version(void) { puts("fastd " FASTD_VERSION); exit(0); } +/** Handles the --daemon option */ static void option_daemon(void) { conf.daemon = true; } +/** Handles the --pid-file option */ static void option_pid_file(const char *arg) { free(conf.pid_file); conf.pid_file = strdup(arg); } +/** Handles the --config option */ static void option_config(const char *arg) { if (!strcmp(arg, "-")) arg = NULL; @@ -87,6 +115,7 @@ static void option_config(const char *arg) { exit(1); } +/** Handles the --config-peer option */ static void option_config_peer(const char *arg) { fastd_peer_config_new(); @@ -94,6 +123,7 @@ static void option_config_peer(const char *arg) { exit(1); } +/** Handles the --config-peer-dir option */ static void option_config_peer_dir(const char *arg) { fastd_add_peer_dir(arg); } @@ -101,11 +131,13 @@ static void option_config_peer_dir(const char *arg) { #ifdef WITH_CMDLINE_USER +/** Handles the --config-user option */ static void option_user(const char *arg) { free(conf.user); conf.user = strdup(arg); } +/** Handles the --config-group option */ static void option_group(const char *arg) { free(conf.group); conf.group = strdup(arg); @@ -115,6 +147,7 @@ static void option_group(const char *arg) { #ifdef WITH_CMDLINE_LOGGING +/** Parses a log level argument */ static int parse_log_level(const char *arg) { if (!strcmp(arg, "fatal")) return LL_FATAL; @@ -134,23 +167,28 @@ static int parse_log_level(const char *arg) { exit_error("invalid log level `%s'", arg); } +/** Handles the --log-level option */ static void option_log_level(const char *arg) { conf.log_stderr_level = parse_log_level(arg); } +/** Handles the --syslog-level option */ static void option_syslog_level(const char *arg) { conf.log_syslog_level = parse_log_level(arg); } +/** Handles the --syslog-ident option */ static void option_syslog_ident(const char *arg) { free(conf.log_syslog_ident); conf.log_syslog_ident = strdup(arg); } +/** Handles the --hide-ip-addresses option */ static void option_hide_ip_addresses(void) { conf.hide_ip_addresses = true; } +/** Handles the --hide-mac-addresses option */ static void option_hide_mac_addresses(void) { conf.hide_mac_addresses = true; } @@ -159,6 +197,7 @@ static void option_hide_mac_addresses(void) { #ifdef WITH_CMDLINE_OPERATION +/** Handles the --mode option */ static void option_mode(const char *arg) { if (!strcmp(arg, "tap")) conf.mode = MODE_TAP; @@ -168,11 +207,13 @@ static void option_mode(const char *arg) { exit_error("invalid mode `%s'", arg); } +/** Handles the --interface option */ static void option_interface(const char *arg) { free(conf.ifname); conf.ifname = strdup(arg); } +/** Handles the --mtu option */ static void option_mtu(const char *arg) { char *endptr; long mtu = strtol(arg, &endptr, 10); @@ -183,6 +224,7 @@ static void option_mtu(const char *arg) { conf.mtu = mtu; } +/** Handles the --bind option */ static void option_bind(const char *arg) { long l; char *charptr; @@ -253,14 +295,17 @@ static void option_bind(const char *arg) { fastd_config_bind_address(&addr, ifname, false, false); } +/** Handles the --protocol option */ static void option_protocol(const char *arg) { fastd_config_protocol(arg); } +/** Handles the --method option */ static void option_method(const char *arg) { fastd_config_method(arg); } +/** Handles the --forward option */ static void option_forward(void) { conf.forward = true; } @@ -269,36 +314,44 @@ static void option_forward(void) { #ifdef WITH_CMDLINE_COMMANDS +/** Handles the --on-pre-up option */ static void option_on_pre_up(const char *arg) { fastd_shell_command_set(&conf.on_pre_up, arg, true); } +/** Handles the --on-up option */ static void option_on_up(const char *arg) { fastd_shell_command_set(&conf.on_up, arg, true); } +/** Handles the --on-down option */ static void option_on_down(const char *arg) { fastd_shell_command_set(&conf.on_down, arg, true); } +/** Handles the --on-post-down option */ static void option_on_post_down(const char *arg) { fastd_shell_command_set(&conf.on_post_down, arg, true); } +/** Handles the --on-connect option */ static void option_on_connect(const char *arg) { fastd_shell_command_set(&conf.on_connect, arg, false); } +/** Handles the --on-establish option */ static void option_on_establish(const char *arg) { fastd_shell_command_set(&conf.on_establish, arg, false); } +/** Handles the --on-disestablish option */ static void option_on_disestablish(const char *arg) { fastd_shell_command_set(&conf.on_disestablish, arg, false); } #ifdef WITH_VERIFY +/** Handles the --on-verify option */ static void option_on_verify(const char *arg) { fastd_shell_command_set(&conf.on_verify, arg, false); } @@ -307,25 +360,30 @@ static void option_on_verify(const char *arg) { #endif +/** Handles the --verify-config option */ static void option_verify_config(void) { conf.verify_config = true; } +/** Handles the --generate-key option */ static void option_generate_key(void) { conf.generate_key = true; conf.show_key = false; } +/** Handles the --show-key option */ static void option_show_key(void) { conf.generate_key = false; conf.show_key = true; } +/** Handles the --machine-readable option */ static void option_machine_readable(void) { conf.machine_readable = true; } +/** Matches a command line options agains a NULL-terminated list of arguments */ static bool config_match(const char *opt, ...) { va_list ap; bool match = false; @@ -345,6 +403,7 @@ static bool config_match(const char *opt, ...) { return match; } +/** Parses and handles the supplied command line options */ void fastd_config_handle_options(int argc, char *const argv[]) { int i = 1; |