settings: Add support for hex integers (0x prefix) via get_int()

diff --git a/src/libstrongswan/settings/settings.c b/src/libstrongswan/settings/settings.c
index 829e784820adb4866b0867f0aaefd1c01855ba2c..b00e8190ca57f0d5bf6e5a8556b512232b59537f 100644 (file)
--- a/src/libstrongswan/settings/settings.c
+++ b/src/libstrongswan/settings/settings.c
@@ -512,11 +512,16 @@ inline int settings_value_as_int(char *value, int def)
 {
        int intval;
        char *end;
+       int base = 10;
 
        if (value)
        {
                errno = 0;
-               intval = strtol(value, &end, 10);
+               if (value[0] == '0' && value[1] == 'x')
+               {       /* manually detect 0x prefix as we want to avoid octal encoding */
+                       base = 16;
+               }
+               intval = strtol(value, &end, base);
                if (errno == 0 && *end == 0 && end != value)
                {
                        return intval;