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Resync highlighter

This commit is contained in:
Jason A. Donenfeld 2019-01-09 11:59:43 -08:00 committed by Roopesh Chander
parent 2617eab35e
commit 171989ec56
3 changed files with 42 additions and 54 deletions
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2
WireGuard/WireGuard/UI/macOS/View/ConfTextStorage.swift
View File

@ -54,7 +54,7 @@ class ConfTextStorage: NSTextStorage {
.foregroundColor: theme.sections,
.font: boldFont
],
HighlightKeytype.rawValue: [
HighlightField.rawValue: [
.foregroundColor: theme.keyType,
.font: boldFont
],

91
WireGuard/WireGuard/UI/macOS/highlighter.c
View File

@ -120,47 +120,15 @@ static bool is_valid_ipv6(string_span_t s)
return true;
}
static bool is_valid_u16(string_span_t s)
{
uint32_t val = 0;
if (s.len > 5 || !s.len)
return false;
for (size_t i = 0; i < s.len; ++i) {
if (!isdigit(s.s[i]))
return false;
val = 10 * val + s.s[i] - '0';
}
return val <= 65535;
}
static bool is_valid_port(string_span_t s)
{
return is_valid_u16(s);
}
static bool is_valid_mtu(string_span_t s)
{
return is_valid_u16(s);
}
static bool is_valid_persistentkeepalive(string_span_t s)
{
if (s.len == 3 && !memcmp(s.s, "off", 3))
return true;
return is_valid_u16(s);
}
#ifndef MOBILE_WGQUICK_SUBSET
static bool is_valid_u32(string_span_t s)
static bool is_valid_uint(string_span_t s, bool support_hex, uint64_t min, uint64_t max)
{
uint64_t val = 0;
/* Bound this around 32 bits, so that we don't have to write overflow logic. */
if (s.len > 10 || !s.len)
return false;
if (s.len > 2 && s.s[0] == '0' && s.s[1] == 'x') {
if (support_hex && s.len > 2 && s.s[0] == '0' && s.s[1] == 'x') {
for (size_t i = 2; i < s.len; ++i) {
if (s.s[i] - '0' < 10)
val = 16 * val + (s.s[i] - '0');
@ -176,14 +144,33 @@ static bool is_valid_u32(string_span_t s)
val = 10 * val + s.s[i] - '0';
}
}
return val <= 4294967295U;
return val <= max && val >= min;
}
static bool is_valid_port(string_span_t s)
{
return is_valid_uint(s, false, 0, 65535);
}
static bool is_valid_mtu(string_span_t s)
{
return is_valid_uint(s, false, 576, 65535);
}
static bool is_valid_persistentkeepalive(string_span_t s)
{
if (s.len == 3 && !memcmp(s.s, "off", 3))
return true;
return is_valid_uint(s, false, 0, 65535);
}
#ifndef MOBILE_WGQUICK_SUBSET
static bool is_valid_fwmark(string_span_t s)
{
if (s.len == 3 && !memcmp(s.s, "off", 3))
return true;
return is_valid_u32(s);
return is_valid_uint(s, true, 0, 4294967295);
}
static bool is_valid_table(string_span_t s)
@ -196,7 +183,7 @@ static bool is_valid_table(string_span_t s)
* fread_id_name does no validation aside from this. */
if (s.len < 512)
return true;
return is_valid_u32(s);
return is_valid_uint(s, false, 0, 4294967295);
}
static bool is_valid_saveconfig(string_span_t s)
@ -301,7 +288,7 @@ static bool is_valid_dns(string_span_t s)
return is_valid_ipv4(s) || is_valid_ipv6(s);
}
enum keytype {
enum field {
InterfaceSection,
PrivateKey,
ListenPort,
@ -325,7 +312,7 @@ enum keytype {
Invalid
};
static enum keytype section_for_keytype(enum keytype t)
static enum field section_for_field(enum field t)
{
if (t > InterfaceSection && t < PeerSection)
return InterfaceSection;
@ -334,7 +321,7 @@ static enum keytype section_for_keytype(enum keytype t)
return Invalid;
}
static enum keytype get_keytype(string_span_t s)
static enum field get_field(string_span_t s)
{
#define check_enum(t) do { if (s.len == strlen(#t) && !strncasecmp(#t, s.s, s.len)) return t; } while (0)
check_enum(PrivateKey);
@ -360,7 +347,7 @@ static enum keytype get_keytype(string_span_t s)
#undef check_enum
}
static enum keytype get_sectiontype(string_span_t s)
static enum field get_sectiontype(string_span_t s)
{
if (s.len == 6 && !strncasecmp("[Peer]", s.s, 6))
return PeerSection;
@ -406,7 +393,7 @@ static bool append_highlight_span(struct highlight_span_array *a, const char *o,
return true;
}
static void highlight_multivalue_value(struct highlight_span_array *ret, const string_span_t parent, const string_span_t s, enum keytype section)
static void highlight_multivalue_value(struct highlight_span_array *ret, const string_span_t parent, const string_span_t s, enum field section)
{
switch (section) {
case DNS:
@ -438,7 +425,7 @@ static void highlight_multivalue_value(struct highlight_span_array *ret, const s
}
}
static void highlight_multivalue(struct highlight_span_array *ret, const string_span_t parent, const string_span_t s, enum keytype section)
static void highlight_multivalue(struct highlight_span_array *ret, const string_span_t parent, const string_span_t s, enum field section)
{
string_span_t current_span = { s.s, 0 };
size_t len_at_last_space = 0;
@ -466,7 +453,7 @@ static void highlight_multivalue(struct highlight_span_array *ret, const string_
ret->spans[ret->len - 1].type = HighlightError;
}
static void highlight_value(struct highlight_span_array *ret, const string_span_t parent, const string_span_t s, enum keytype section)
static void highlight_value(struct highlight_span_array *ret, const string_span_t parent, const string_span_t s, enum field section)
{
switch (section) {
case PrivateKey:
@ -535,7 +522,7 @@ struct highlight_span *highlight_config(const char *config)
struct highlight_span_array ret = { 0 };
const string_span_t s = { config, strlen(config) };
string_span_t current_span = { s.s, 0 };
enum keytype current_section = Invalid, current_keytype = Invalid;
enum field current_section = Invalid, current_field = Invalid;
enum { OnNone, OnKey, OnValue, OnComment, OnSection } state = OnNone;
size_t len_at_last_space = 0, equals_location = 0;
@ -548,7 +535,7 @@ struct highlight_span *highlight_config(const char *config)
if (current_span.len) {
append_highlight_span(&ret, s.s, (string_span_t){ s.s + equals_location, 1 }, HighlightDelimiter);
current_span.len = len_at_last_space;
highlight_value(&ret, s, current_span, current_keytype);
highlight_value(&ret, s, current_span, current_field);
} else {
append_highlight_span(&ret, s.s, (string_span_t){ s.s + equals_location, 1 }, HighlightError);
}
@ -562,7 +549,7 @@ struct highlight_span *highlight_config(const char *config)
if (i == s.len)
break;
len_at_last_space = 0;
current_keytype = Invalid;
current_field = Invalid;
if (s.s[i] == '#') {
current_span = (string_span_t){ s.s + i, 1 };
state = OnComment;
@ -579,12 +566,12 @@ struct highlight_span *highlight_config(const char *config)
++current_span.len;
} else if (s.s[i] == '=' && state == OnKey) {
current_span.len = len_at_last_space;
current_keytype = get_keytype(current_span);
enum keytype section = section_for_keytype(current_keytype);
if (section == Invalid || current_keytype == Invalid || section != current_section)
current_field = get_field(current_span);
enum field section = section_for_field(current_field);
if (section == Invalid || current_field == Invalid || section != current_section)
append_highlight_span(&ret, s.s, current_span, HighlightError);
else
append_highlight_span(&ret, s.s, current_span, HighlightKeytype);
append_highlight_span(&ret, s.s, current_span, HighlightField);
equals_location = i;
current_span = (string_span_t){ s.s + i + 1, 0 };
state = OnValue;

3
WireGuard/WireGuard/UI/macOS/highlighter.h
View File

@ -4,10 +4,11 @@
*/
#include <sys/types.h>
#define MOBILE_WGQUICK_SUBSET
enum highlight_type {
HighlightSection,
HighlightKeytype,
HighlightField,
HighlightPrivateKey,
HighlightPublicKey,
HighlightPresharedKey,