Imported Upstream version 0.7.3upstream/0.7.3

1 files changed, 116 insertions, 100 deletions

diff --git a/conf.c b/conf.c
index 0d8c396..45fa42e 100644
--- a/conf.c
+++ b/conf.c
@@ -22,9 +22,50 @@
 #include <sys/types.h>
 
 /* GLOBALS */
-struct wavemon_conf conf;
+static char **if_list;		/* array of WiFi interface names */
 int conf_items;			/* index into array storing menu items */
-static int if_list;		/* index into array of WiFi interface names */
+
+static char *on_off_names[] = { [false] = "Off", [true] = "On", NULL };
+static char *action_items[] = {
+	[TA_DISABLED]	= "Disabled",
+	[TA_BEEP]	= "Beep",
+	[TA_FLASH]	= "Flash",
+	[TA_BEEP_FLASH]	= "Beep+Flash",
+	NULL
+};
+
+static char *screen_names[] = {
+	[SCR_INFO]	= "Info screen",
+	[SCR_LHIST]	= "Histogram",
+	[SCR_APLIST]	= "Scan window",
+	NULL
+};
+
+struct wavemon_conf conf = {
+	.if_idx			= 0,
+
+	.stat_iv		= 100,
+	.info_iv		= 10,
+	.slotsize		= 4,
+	.meter_decay		= 0,
+
+	.check_geometry		= false,
+	.cisco_mac		= false,
+	.override_bounds	= false,
+	.random			= false,
+
+	.sig_min		= -102,
+	.sig_max		= 10,
+	.noise_min		= -102,
+	.noise_max		= 10,
+
+	.lthreshold_action	= TA_DISABLED,
+	.lthreshold		= -80,
+	.hthreshold_action	= TA_DISABLED,
+	.hthreshold		= -10,
+
+	.startup_scr		= 0,
+};
 
 static void version(void)
 {
@@ -36,6 +77,7 @@ static void usage(void)
 {
 	printf("Usage: wavemon [ -dhlrv ] [ -i ifname ]\n\n");
 	printf("  -d            Dump the current device status to stdout and exit\n");
+	printf("  -g            Ensure screen is sufficiently dimensioned\n");
 	printf("  -h            This help screen\n");
 	printf("  -i <ifname>   Use specified network interface (default: auto)\n");
 	printf("  -r            Generate random levels (for testing purposes)\n");
@@ -44,23 +86,25 @@ static void usage(void)
 
 static void getargs(int argc, char *argv[])
 {
-	int arg, tmp;
+	int arg;
 
-	while ((arg = getopt(argc, argv, "dhi:rv")) >= 0)
+	while ((arg = getopt(argc, argv, "dghi:rv")) >= 0)
 		switch (arg) {
 		case 'd':
 			dump_parameters();
 			exit(EXIT_SUCCESS);
+		case 'g':
+			conf.check_geometry = true;
+			break;
 		case 'h':
 			usage();
 			exit(EXIT_SUCCESS);
 		case 'i':
-			if ((tmp = ll_scan(if_list, "S", optarg)) >= 0) {
-				strncpy(conf.ifname, ll_get(if_list, tmp),
-					sizeof(conf.ifname));
-				break;
-			}
-			err_quit("no wireless extensions found on '%s'", optarg);
+			conf.if_idx = argv_find(if_list, optarg);
+			if (conf.if_idx < 0)
+				err_quit("no wireless extensions found on '%s'",
+					 optarg);
+			break;
 		case 'r':
 			conf.random = true;
 			break;
@@ -73,6 +117,39 @@ static void getargs(int argc, char *argv[])
 		}
 }
 
+/** Populate interface list */
+void conf_get_interface_list(void)
+{
+	char *old_if = NULL;
+	int idx;
+
+	if (if_list) {
+		for (idx = 0; if_list[idx]; idx++)
+			if (idx == conf.if_idx)
+				old_if = if_list[idx];
+			else
+				free(if_list[idx]);
+		free(if_list);
+	}
+	if_list = iw_get_interface_list();
+	if (if_list == NULL)
+		err_quit("no wireless interfaces found!");
+
+	conf.if_idx = 0;
+	if (old_if) {
+		idx = argv_find(if_list, old_if);
+		if (idx > 0)
+			conf.if_idx = idx;
+		free(old_if);
+	}
+}
+
+/** Return currently selected interface name */
+const char *conf_ifname(void)
+{
+	return if_list ? if_list[conf.if_idx] : "(none)";
+}
+
 /* Return full path of rcfile. Allocates string which must bee free()-d. */
 static char *get_confname(void)
 {
@@ -162,38 +239,13 @@ static void read_cf(void)
 				*ci->v.i = v_int;
 			}
 			break;
-		case t_string:
-			if (strlen(rv) > ci->max)
-				err_quit("parse error in %s, line %d: argument too long (max %d chars)",
-					 cfname, lnum, ci->max);
-			strncpy(ci->v.s, rv, LISTVAL_MAX);
-			break;
-		case t_switch:
-			if (!strcasecmp(rv, "on") || !strcasecmp(rv, "yes") ||
-			    !strcasecmp(rv, "enabled") || !strcasecmp(rv, "1")) {
-				*(ci->v.b) = 1;
-			} else if (!strcasecmp(rv, "off") || !strcasecmp(rv, "no") ||
-				   !strcasecmp(rv, "disabled") || !strcasecmp(rv, "0")) {
-				*(ci->v.b) = 0;
-			} else {
-				err_quit("parse error in %s, line %d: boolean expected, '%s' found instead",
-					 cfname, lnum, rv);
-			}
-			break;
 		case t_list:
-			v_int = ll_scan(ci->list, "S", rv);
-			if (v_int < 0)
-				err_quit("parse error in %s, line %d: '%s' is not a valid argument here",
-					 cfname, lnum, rv);
-			*ci->v.b = v_int;
-			break;
-		case t_listval:
-			v_int = ll_scan(ci->list, "S", rv);
+			v_int = argv_find(ci->list, rv);
 			if (v_int < 0)
-				err_quit("parse error in %s, line %d: '%s' is not a valid argument here",
-					 cfname, lnum, rv);
-			strncpy(ci->v.s, ll_get(ci->list, v_int), LISTVAL_MAX);
-			break;
+				err_msg("%s, line %d: '%s = %s' is not valid - using defaults",
+					 cfname, lnum, lv, rv);
+			else
+				*ci->v.i = v_int;
 		case t_sep:	/* These two cases are missing from the enum, they are not handled */
 		case t_func:	/* To pacify gcc -Wall, fall through here */
 			break;
@@ -230,15 +282,8 @@ static void write_cf(void)
 			case t_int:
 				sprintf(rv, "%d", *ci->v.i);
 				break;
-			case t_string:	/* fall through */
-			case t_listval:
-				strcpy(rv, ci->v.s);
-				break;
-			case t_switch:
-				sprintf(rv, "%s", *ci->v.b ? "on" : "off");
-				break;
 			case t_list:
-				sprintf(rv, "%s", (char *)ll_get(ci->list, *ci->v.b));
+				sprintf(rv, "%s", ci->list[*ci->v.i]);
 				str_tolower(rv);
 				break;
 				/* Fall through, the rest are dummy statements to pacify gcc -Wall */
@@ -305,13 +350,20 @@ static void init_conf_items(void)
 	item = calloc(1, sizeof(*item));
 	item->name	= strdup("Interface");
 	item->cfname	= strdup("interface");
-	item->type	= t_listval;
-	item->v.s	= conf.ifname;
-	item->max	= 10;
+	item->type	= t_list;
+	item->v.i	= &conf.if_idx;
 	item->list	= if_list;
 	ll_push(conf_items, "*", item);
 
 	item = calloc(1, sizeof(*item));
+	item->name	= strdup("Cisco-style MAC addresses");
+	item->cfname	= strdup("cisco_mac");
+	item->type	= t_list;
+	item->v.i	= &conf.cisco_mac;
+	item->list	= on_off_names;
+	ll_push(conf_items, "*", item);
+
+	item = calloc(1, sizeof(*item));
 	item->name	= strdup("Statistics updates");
 	item->cfname	= strdup("stat_updates");
 	item->type	= t_int;
@@ -367,8 +419,9 @@ static void init_conf_items(void)
 	item = calloc(1, sizeof(*item));
 	item->name	= strdup("Override scale autodetect");
 	item->cfname	= strdup("override_auto_scale");
-	item->type	= t_switch;
-	item->v.b	= &conf.override_bounds;
+	item->type	= t_list;
+	item->v.i	= &conf.override_bounds;
+	item->list	= on_off_names;
 	ll_push(conf_items, "*", item);
 
 	item = calloc(1, sizeof(*item));
@@ -422,8 +475,9 @@ static void init_conf_items(void)
 	item = calloc(1, sizeof(*item));
 	item->name	= strdup("Random signals");
 	item->cfname	= strdup("random");
-	item->type	= t_switch;
-	item->v.b	= &conf.random;
+	item->type	= t_list;
+	item->v.i	= &conf.random;
+	item->list	= on_off_names;
 	ll_push(conf_items, "*", item);
 
 	/* thresholds */
@@ -431,12 +485,8 @@ static void init_conf_items(void)
 	item->name	= strdup("Low threshold action");
 	item->cfname	= strdup("lo_threshold_action");
 	item->type	= t_list;
-	item->v.b	= &conf.lthreshold_action;
-	item->list	= ll_create();
-	ll_push(item->list, "s", "Disabled");
-	ll_push(item->list, "s", "Beep");
-	ll_push(item->list, "s", "Flash");
-	ll_push(item->list, "s", "Beep+Flash");
+	item->v.i	= &conf.lthreshold_action;
+	item->list	= action_items;
 	ll_push(conf_items, "*", item);
 
 	item = calloc(1, sizeof(*item));
@@ -455,12 +505,8 @@ static void init_conf_items(void)
 	item->name	= strdup("High threshold action");
 	item->cfname	= strdup("hi_threshold_action");
 	item->type	= t_list;
-	item->v.b	= &conf.hthreshold_action;
-	item->list	= ll_create();
-	ll_push(item->list, "s", "Disabled");
-	ll_push(item->list, "s", "Beep");
-	ll_push(item->list, "s", "Flash");
-	ll_push(item->list, "s", "Beep+Flash");
+	item->v.i	= &conf.hthreshold_action;
+	item->list	= action_items;
 	ll_push(conf_items, "*", item);
 
 	item = calloc(1, sizeof(*item));
@@ -489,11 +535,8 @@ static void init_conf_items(void)
 	item->name	= strdup("Startup screen");
 	item->cfname	= strdup("startup_screen");
 	item->type	= t_list;
-	item->v.b	= &conf.startup_scr;
-	item->list	= ll_create();
-	ll_push(item->list, "s", "Info");
-	ll_push(item->list, "s", "Histogram");
-	ll_push(item->list, "s", "Access points");
+	item->v.i	= &conf.startup_scr;
+	item->list	= screen_names;
 	ll_push(conf_items, "*", item);
 
 	/* separator (dummy entry) */
@@ -509,36 +552,9 @@ static void init_conf_items(void)
 	ll_push(conf_items, "*", item);
 }
 
-static void set_defaults(void)
-{
-	strncpy(conf.ifname, ll_get(if_list, 0), sizeof(conf.ifname));
-
-	conf.stat_iv		= 100;
-	conf.info_iv		= 10;
-	conf.slotsize		= 4;
-	conf.meter_decay	= 0;
-
-	conf.override_bounds	= false;
-	conf.random		= false;
-
-	conf.sig_min		= -102;
-	conf.sig_max		= 10;
-	conf.noise_min		= -102;
-	conf.noise_max		= 10;
-
-
-	conf.lthreshold_action	= TA_DISABLED;
-	conf.lthreshold		= -80;
-	conf.hthreshold_action	= TA_DISABLED;
-	conf.hthreshold		= -10;
-
-	conf.startup_scr	= 0;
-}
-
 void getconf(int argc, char *argv[])
 {
-	if_list = iw_get_interface_list();
-	set_defaults();
+	conf_get_interface_list();
 	init_conf_items();
 	read_cf();
 	getargs(argc, argv);