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common: validate and properly parse floats

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Fixes: #1665.
This commit is contained in:
Andrew J. Hesford 2024-03-27 22:13:50 -04:00
parent d68376f2ac
commit a457542fb1
5 changed files with 138 additions and 3 deletions
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5
src/config/rcxml.c
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@ -21,6 +21,7 @@
#include "common/mem.h"
#include "common/nodename.h"
#include "common/parse-bool.h"
#include "common/parse-double.h"
#include "common/string-helpers.h"
#include "config/default-bindings.h"
#include "config/keybind.h"
@ -537,7 +538,7 @@ fill_libinput_category(char *nodename, char *content)
} else if (!strcasecmp(nodename, "leftHanded")) {
set_bool_as_int(content, &current_libinput_category->left_handed);
} else if (!strcasecmp(nodename, "pointerSpeed")) {
current_libinput_category->pointer_speed = atof(content);
set_float(content, &current_libinput_category->pointer_speed);
if (current_libinput_category->pointer_speed < -1) {
current_libinput_category->pointer_speed = -1;
} else if (current_libinput_category->pointer_speed > 1) {
@ -883,7 +884,7 @@ entry(xmlNode *node, char *nodename, char *content)
wlr_log(WLR_ERROR, "invalid doubleClickTime");
}
} else if (!strcasecmp(nodename, "scrollFactor.mouse")) {
rc.scroll_factor = atof(content);
set_double(content, &rc.scroll_factor);
} else if (!strcasecmp(nodename, "name.context.mouse")) {
current_mouse_context = content;
current_mousebind = NULL;

4
src/config/tablet.c
View file

@ -4,6 +4,7 @@
#include <stdint.h>
#include <strings.h>
#include <wlr/util/log.h>
#include "common/parse-double.h"
#include "config/tablet.h"
#include "config/rcxml.h"
#include "input/tablet_pad.h"
@ -11,7 +12,8 @@
double
tablet_get_dbl_if_positive(const char *content, const char *name)
{
double value = atof(content);
double value = 0;
set_double(content, &value);
if (value < 0) {
wlr_log(WLR_ERROR, "Invalid value for tablet area %s", name);
return 0;