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+ 5F52D0BA21E3781B00283CEA /* ConfTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConfTextView.swift; sourceTree = "<group>"; };
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5FF7B96121CC95DE00A7DD74 /* InterfaceConfiguration.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InterfaceConfiguration.swift; sourceTree = "<group>"; };
children = (
6F4DD16A21DA558800690EAE /* TunnelListRow.swift */,
6F613D9A21DE33B8004B217A /* KeyValueRow.swift */,
+ 5F52D0BA21E3781B00283CEA /* ConfTextView.swift */,
+ 5F52D0BC21E3785C00283CEA /* ConfTextStorage.swift */,
);
path = View;
sourceTree = "<group>";
6FB1BD6621D2607E00A991BF /* Info.plist */,
6FB1BD6721D2607E00A991BF /* WireGuard.entitlements */,
6F4DD16721DA552B00690EAE /* NSTableView+Reuse.swift */,
+ 5F52D0BE21E3788900283CEA /* NSColor+Hex.swift */,
+ 5F52D0C021E378C000283CEA /* highlighter.h */,
+ 5F52D0C121E378C000283CEA /* highlighter.c */,
);
path = macOS;
sourceTree = "<group>";
6FB1BDD621D50F5300A991BF /* zip.c in Sources */,
6FDB3C3B21DCF47400A0C0BF /* TunnelDetailTableViewController.swift in Sources */,
6FB1BDD721D50F5300A991BF /* WireGuardAppError.swift in Sources */,
+ 5F52D0BD21E3785C00283CEA /* ConfTextStorage.swift in Sources */,
+ 5F52D0C221E378C000283CEA /* highlighter.c in Sources */,
6F4DD16E21DBEA0700690EAE /* ManageTunnelsRootViewController.swift in Sources */,
6F4DD16C21DA558F00690EAE /* NSTableView+Reuse.swift in Sources */,
6FB1BDD821D50F5300A991BF /* WireGuardResult.swift in Sources */,
6FB1BDBD21D50F0200A991BF /* ringlogger.h in Sources */,
6FBA103F21D6B6FF0051C35F /* TunnelImporter.swift in Sources */,
6F4DD16B21DA558800690EAE /* TunnelListRow.swift in Sources */,
+ 5F52D0BF21E3788900283CEA /* NSColor+Hex.swift in Sources */,
6FB1BDBE21D50F0200A991BF /* Logger.swift in Sources */,
6FB1BDBF21D50F0200A991BF /* TunnelConfiguration+WgQuickConfig.swift in Sources */,
6FB1BDC021D50F0200A991BF /* NETunnelProviderProtocol+Extension.swift in Sources */,
6FBA101821D656000051C35F /* StatusMenu.swift in Sources */,
6F613D9B21DE33B8004B217A /* KeyValueRow.swift in Sources */,
6FB1BDC121D50F0200A991BF /* String+ArrayConversion.swift in Sources */,
+ 5F52D0BB21E3781B00283CEA /* ConfTextView.swift in Sources */,
6FB1BDC221D50F0300A991BF /* LegacyConfigMigration.swift in Sources */,
6FBA104021D6B7040051C35F /* ErrorPresenterProtocol.swift in Sources */,
6FCD99AA21E0E14700BA4C82 /* NoTunnelsDetailViewController.swift in Sources */,
--- /dev/null
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+class ConfTextStorage: NSTextStorage {
+
+ struct TextColorTheme {
+ let black: NSColor
+ let red: NSColor
+ let green: NSColor
+ let yellow: NSColor
+ let blue: NSColor
+ let magenta: NSColor
+ let cyan: NSColor
+ let white: NSColor
+ let `default`: NSColor
+ }
+
+ let defaultFont = NSFont.systemFont(ofSize: 16)
+ private let boldFont = NSFont.boldSystemFont(ofSize: 16)
+
+ private var defaultAttributes: [NSAttributedString.Key: Any]! //swiftlint:disable:this implicitly_unwrapped_optional
+ private var highlightAttributes: [UInt32: [NSAttributedString.Key: Any]]! //swiftlint:disable:this implicitly_unwrapped_optional
+
+ private let backingStore: NSMutableAttributedString
+ private(set) var hasError = false
+
+ override init() {
+ backingStore = NSMutableAttributedString(string: "")
+ super.init()
+ }
+
+ required init?(coder aDecoder: NSCoder) {
+ fatalError("init(coder:) has not been implemented")
+ }
+
+ required init?(pasteboardPropertyList propertyList: Any, ofType type: NSPasteboard.PasteboardType) {
+ fatalError("init(pasteboardPropertyList:ofType:) has not been implemented")
+ }
+
+ //swiftlint:disable:next function_body_length
+ func updateAttributes(for theme: TextColorTheme) {
+ self.defaultAttributes = [
+ .foregroundColor: theme.default,
+ .font: defaultFont
+ ]
+
+ self.highlightAttributes = [
+ HighlightSection.rawValue: [
+ .foregroundColor: theme.black,
+ .font: boldFont
+ ],
+ HighlightKeytype.rawValue: [
+ .foregroundColor: theme.blue,
+ .font: boldFont
+ ],
+ HighlightKey.rawValue: [
+ .foregroundColor: theme.yellow,
+ .font: boldFont
+ ],
+ HighlightCmd.rawValue: [
+ .foregroundColor: theme.white,
+ .font: defaultFont
+ ],
+ HighlightIP.rawValue: [
+ .foregroundColor: theme.green,
+ .font: defaultFont
+ ],
+ HighlightCidr.rawValue: [
+ .foregroundColor: theme.yellow,
+ .font: defaultFont
+ ],
+ HighlightHost.rawValue: [
+ .foregroundColor: theme.green,
+ .font: boldFont
+ ],
+ HighlightPort.rawValue: [
+ .foregroundColor: theme.magenta,
+ .font: defaultFont
+ ],
+ HighlightTable.rawValue: [
+ .foregroundColor: theme.blue,
+ .font: defaultFont
+ ],
+ HighlightFwMark.rawValue: [
+ .foregroundColor: theme.blue,
+ .font: defaultFont
+ ],
+ HighlightMTU.rawValue: [
+ .foregroundColor: theme.blue,
+ .font: defaultFont
+ ],
+ HighlightSaveConfig.rawValue: [
+ .foregroundColor: theme.blue,
+ .font: defaultFont
+ ],
+ HighlightKeepalive.rawValue: [
+ .foregroundColor: theme.blue,
+ .font: defaultFont
+ ],
+ HighlightComment.rawValue: [
+ .foregroundColor: theme.cyan,
+ .font: defaultFont
+ ],
+ HighlightDelimiter.rawValue: [
+ .foregroundColor: theme.cyan,
+ .font: defaultFont
+ ],
+ HighlightError.rawValue: [
+ .foregroundColor: theme.red,
+ .font: defaultFont,
+ .underlineStyle: 1
+ ]
+ ]
+
+ highlightSyntax()
+ }
+
+ override var string: String {
+ return backingStore.string
+ }
+
+ override func attributes(at location: Int, effectiveRange range: NSRangePointer?) -> [NSAttributedString.Key: Any] {
+ return backingStore.attributes(at: location, effectiveRange: range)
+ }
+
+ override func replaceCharacters(in range: NSRange, with str: String) {
+ beginEditing()
+ backingStore.replaceCharacters(in: range, with: str)
+ edited(.editedCharacters, range: range, changeInLength: str.count - range.length)
+ endEditing()
+ }
+
+ override func replaceCharacters(in range: NSRange, with attrString: NSAttributedString) {
+ beginEditing()
+ backingStore.replaceCharacters(in: range, with: attrString)
+ edited(.editedCharacters, range: range, changeInLength: attrString.length - range.length)
+ endEditing()
+ }
+
+ override func setAttributes(_ attrs: [NSAttributedString.Key: Any]?, range: NSRange) {
+ beginEditing()
+ backingStore.setAttributes(attrs, range: range)
+ edited(.editedAttributes, range: range, changeInLength: 0)
+ endEditing()
+ }
+
+ func highlightSyntax() {
+ hasError = false
+
+ backingStore.beginEditing()
+ var spans = highlight_config(backingStore.string.cString(using: String.Encoding.utf8))!
+
+ while spans.pointee.type != HighlightEnd {
+ let span = spans.pointee
+
+ let attributes = self.highlightAttributes[span.type.rawValue] ?? defaultAttributes
+ backingStore.setAttributes(attributes, range: NSRange(location: span.start, length: span.len))
+
+ if span.type == HighlightError {
+ hasError = true
+ }
+
+ spans = spans.successor()
+ }
+ backingStore.endEditing()
+
+ beginEditing()
+ edited(.editedAttributes, range: NSRange(location: 0, length: (backingStore.string as NSString).length), changeInLength: 0)
+ endEditing()
+ }
+
+}
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#include <string.h>
+#include <strings.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <errno.h>
+#include "highlighter.h"
+
+typedef struct {
+ const char *s;
+ size_t len;
+} string_span_t;
+
+static bool is_valid_key(string_span_t s)
+{
+ if (s.len != 44 || s.s[43] != '=')
+ return false;
+
+ for (size_t i = 0; i < 43; ++i) {
+ if (!((s.s[i] >= '/' && s.s[i] <= '9') ||
+ (s.s[i] >= 'A' && s.s[i] <= 'Z') ||
+ (s.s[i] >= 'a' && s.s[i] <= 'z') ||
+ s.s[i] == '+'))
+ return false;
+ }
+ return true;
+}
+
+static bool is_valid_hostname(string_span_t s)
+{
+ size_t num_digit = 0, num_entity = s.len;
+
+ if (s.len > 63 || !s.len)
+ return false;
+ if (s.s[0] == '-' || s.s[s.len - 1] == '-')
+ return false;
+ if (s.s[0] == '.' || s.s[s.len - 1] == '.')
+ return false;
+
+ for (size_t i = 0; i < s.len; ++i) {
+ if (isdigit(s.s[i])) {
+ ++num_digit;
+ continue;
+ }
+ if (s.s[i] == '.') {
+ --num_entity;
+ continue;
+ }
+
+ if (!((s.s[i] >= 'A' && s.s[i] <= 'Z') ||
+ (s.s[i] >= 'a' && s.s[i] <= 'z') ||
+ s.s[i] == '-'))
+ return false;
+
+ if (i && s.s[i] == '.' && s.s[i - 1] == '.')
+ return false;
+ }
+ return num_digit != num_entity;
+}
+
+static bool is_valid_ipv4(string_span_t s)
+{
+ for (size_t j, i = 0, pos = 0; i < 4 && pos < s.len; ++i) {
+ uint32_t val = 0;
+
+ for (j = 0; j < 3 && pos + j < s.len && isdigit(s.s[pos + j]); ++j)
+ val = 10 * val + s.s[pos + j] - '0';
+ if (j == 0 || (j > 1 && s.s[pos] == '0') || val > 255)
+ return false;
+ if (pos + j == s.len && i == 3)
+ return true;
+ if (s.s[pos + j] != '.')
+ return false;
+ pos += j + 1;
+ }
+ return false;
+}
+
+static bool is_valid_ipv6(string_span_t s)
+{
+ size_t pos = 0;
+ bool seen_colon = false;
+
+ if (s.len < 2)
+ return false;
+ if (s.s[pos] == ':' && s.s[++pos] != ':')
+ return false;
+ if (s.s[s.len - 1] == ':' && s.s[s.len - 2] != ':')
+ return false;
+
+ for (size_t j, i = 0; pos < s.len; ++i) {
+ if (s.s[pos] == ':' && !seen_colon) {
+ seen_colon = true;
+ if (++pos == s.len)
+ break;
+ if (i == 7)
+ return false;
+ continue;
+ }
+ for (j = 0; j < 4 && pos + j < s.len && isxdigit(s.s[pos + j]); ++j);
+ if (j == 0)
+ return false;
+ if (pos + j == s.len && (seen_colon || i == 7))
+ break;
+ if (i == 7)
+ return false;
+ if (s.s[pos + j] != ':') {
+ if (s.s[pos + j] != '.' || (i < 6 && !seen_colon))
+ return false;
+ return is_valid_ipv4((string_span_t){ s.s + pos, s.len - pos });
+ }
+ pos += j + 1;
+ }
+ 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);
+}
+
+static bool is_valid_u32(string_span_t s)
+{
+ uint64_t val = 0;
+
+ if (s.len > 10 || !s.len)
+ return false;
+
+ if (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');
+ else if ((s.s[i] | 32) - 'a' < 6)
+ val = 16 * val + (s.s[i] | 32) - 'a' + 10;
+ else
+ return false;
+ }
+ } else {
+ 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 <= 4294967295U;
+}
+
+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);
+}
+
+static bool is_valid_table(string_span_t s)
+{
+ if (s.len == 4 && !memcmp(s.s, "auto", 3))
+ return true;
+ if (s.len == 3 && !memcmp(s.s, "off", 3))
+ return true;
+ /* This pretty much invalidates the other checks, but rt_names.c's
+ * fread_id_name does no validation aside from this. */
+ if (s.len < 512)
+ return true;
+ return is_valid_u32(s);
+}
+
+static bool is_valid_saveconfig(string_span_t s)
+{
+ return (s.len == 4 && !memcmp(s.s, "true", 4)) ||
+ (s.len == 5 && !memcmp(s.s, "false", 5));
+}
+
+static bool is_valid_scope(string_span_t s)
+{
+ if (s.len > 64 || !s.len)
+ return false;
+ for (size_t i = 0; i < s.len; ++i) {
+ if (!((s.s[i] >= 'A' && s.s[i] <= 'Z') ||
+ (s.s[i] >= 'a' && s.s[i] <= 'z') ||
+ isdigit(s.s[i]) || s.s[i] == '_' ||
+ s.s[i] == '=' || s.s[i] == '+' ||
+ s.s[i] == '.' || s.s[i] == '-'))
+ return false;
+ }
+ return true;
+}
+
+static bool is_valid_endpoint(string_span_t s)
+{
+
+ if (!s.len)
+ return false;
+
+ if (s.s[0] == '[') {
+ bool seen_scope = false;
+ string_span_t hostspan = { s.s + 1, 0 };
+
+ for (size_t i = 1; i < s.len; ++i) {
+ if (s.s[i] == '%') {
+ if (seen_scope)
+ return false;
+ seen_scope = true;
+ if (!is_valid_ipv6(hostspan))
+ return false;
+ hostspan = (string_span_t){ s.s + i + 1, 0 };
+ } else if (s.s[i] == ']') {
+ if (seen_scope) {
+ if (!is_valid_scope(hostspan))
+ return false;
+ } else if (!is_valid_ipv6(hostspan)) {
+ return false;
+ }
+ if (i == s.len - 1 || s.s[i + 1] != ':')
+ return false;
+ return is_valid_port((string_span_t){ s.s + i + 2, s.len - i - 2 });
+ } else {
+ ++hostspan.len;
+ }
+ }
+ return false;
+ }
+ for (size_t i = 0; i < s.len; ++i) {
+ if (s.s[i] == ':') {
+ string_span_t host = { s.s, i }, port = { s.s + i + 1, s.len - i - 1};
+ return is_valid_port(port) && (is_valid_ipv4(host) || is_valid_hostname(host));
+ }
+ }
+ return false;
+}
+
+static bool is_valid_network(string_span_t s)
+{
+ for (size_t i = 0; i < s.len; ++i) {
+ if (s.s[i] == '/') {
+ string_span_t ip = { s.s, i }, cidr = { s.s + i + 1, s.len - i - 1};
+ uint16_t cidrval = 0;
+
+ if (cidr.len > 3 || !cidr.len)
+ return false;
+
+ for (size_t j = 0; j < cidr.len; ++j) {
+ if (!isdigit(cidr.s[j]))
+ return false;
+ cidrval = 10 * cidrval + cidr.s[j] - '0';
+ }
+ if (is_valid_ipv4(ip))
+ return cidrval <= 32;
+ else if (is_valid_ipv6(ip))
+ return cidrval <= 128;
+ return false;
+ }
+ }
+ return is_valid_ipv4(s) || is_valid_ipv6(s);
+}
+
+static bool is_valid_dns(string_span_t s)
+{
+ return is_valid_ipv4(s) || is_valid_ipv6(s);
+}
+
+static bool is_valid_prepostupdown(string_span_t s)
+{
+ /* It's probably not worthwhile to try to validate a bash expression.
+ * So instead we just demand non-zero length. */
+ return s.len;
+}
+
+enum keytype {
+ InterfaceSection,
+ PrivateKey,
+ ListenPort,
+ FwMark,
+ Address,
+ DNS,
+ MTU,
+ Table,
+ PreUp, PostUp, PreDown, PostDown,
+ SaveConfig,
+
+ PeerSection,
+ PublicKey,
+ PresharedKey,
+ AllowedIPs,
+ Endpoint,
+ PersistentKeepalive,
+
+ Invalid
+};
+
+static enum keytype section_for_keytype(enum keytype t)
+{
+ if (t > InterfaceSection && t < PeerSection)
+ return InterfaceSection;
+ if (t > PeerSection && t < Invalid)
+ return PeerSection;
+ return Invalid;
+}
+
+static enum keytype get_keytype(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);
+ check_enum(ListenPort);
+ check_enum(FwMark);
+ check_enum(Address);
+ check_enum(DNS);
+ check_enum(MTU);
+ check_enum(Table);
+ check_enum(PreUp);
+ check_enum(PostUp);
+ check_enum(PreDown);
+ check_enum(PostDown);
+ check_enum(PublicKey);
+ check_enum(PresharedKey);
+ check_enum(AllowedIPs);
+ check_enum(Endpoint);
+ check_enum(PersistentKeepalive);
+ check_enum(SaveConfig);
+ return Invalid;
+#undef check_enum
+}
+
+static enum keytype get_sectiontype(string_span_t s)
+{
+ if (s.len == 6 && !strncasecmp("[Peer]", s.s, 6))
+ return PeerSection;
+ if (s.len == 11 && !strncasecmp("[Interface]", s.s, 11))
+ return InterfaceSection;
+ return Invalid;
+}
+
+struct highlight_span_array {
+ size_t len, capacity;
+ struct highlight_span *spans;
+};
+
+/* A useful OpenBSD-ism. */
+static void *realloc_array(void *optr, size_t nmemb, size_t size)
+{
+ if ((nmemb >= (size_t)1 << (sizeof(size_t) * 4) ||
+ size >= (size_t)1 << (sizeof(size_t) * 4)) &&
+ nmemb > 0 && SIZE_MAX / nmemb < size) {
+ errno = ENOMEM;
+ return NULL;
+ }
+ return realloc(optr, size * nmemb);
+}
+
+static bool append_highlight_span(struct highlight_span_array *a, const char *o, string_span_t s, enum highlight_type t)
+{
+ if (!s.len)
+ return true;
+ if (a->len >= a->capacity) {
+ struct highlight_span *resized;
+
+ a->capacity = a->capacity ? a->capacity * 2 : 64;
+ resized = realloc_array(a->spans, a->capacity, sizeof(*resized));
+ if (!resized) {
+ free(a->spans);
+ memset(a, 0, sizeof(*a));
+ return false;
+ }
+ a->spans = resized;
+ }
+ a->spans[a->len++] = (struct highlight_span){ t, s.s - o, s.len };
+ 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)
+{
+ switch (section) {
+ case DNS:
+ append_highlight_span(ret, parent.s, s, is_valid_dns(s) ? HighlightIP : HighlightError);
+ break;
+ case Address:
+ case AllowedIPs: {
+ size_t slash;
+
+ if (!is_valid_network(s)) {
+ append_highlight_span(ret, parent.s, s, HighlightError);
+ break;
+ }
+ for (slash = 0; slash < s.len; ++slash) {
+ if (s.s[slash] == '/')
+ break;
+ }
+ if (slash == s.len) {
+ append_highlight_span(ret, parent.s, s, HighlightIP);
+ } else {
+ append_highlight_span(ret, parent.s, (string_span_t){ s.s, slash }, HighlightIP);
+ append_highlight_span(ret, parent.s, (string_span_t){ s.s + slash, 1 }, HighlightDelimiter);
+ append_highlight_span(ret, parent.s, (string_span_t){ s.s + slash + 1, s.len - slash - 1 }, HighlightCidr);
+ }
+ break;
+ }
+ default:
+ append_highlight_span(ret, parent.s, s, HighlightError);
+ }
+}
+
+static void highlight_multivalue(struct highlight_span_array *ret, const string_span_t parent, const string_span_t s, enum keytype section)
+{
+ string_span_t current_span = { s.s, 0 };
+ size_t len_at_last_space = 0;
+
+ for (size_t i = 0; i < s.len; ++i) {
+ if (s.s[i] == ',') {
+ current_span.len = len_at_last_space;
+ highlight_multivalue_value(ret, parent, current_span, section);
+ append_highlight_span(ret, parent.s, (string_span_t){ s.s + i, 1 }, HighlightDelimiter);
+ len_at_last_space = 0;
+ current_span = (string_span_t){ s.s + i + 1, 0 };
+ } else if (s.s[i] == ' ' || s.s[i] == '\t') {
+ if (&s.s[i] == current_span.s && !current_span.len)
+ ++current_span.s;
+ else
+ ++current_span.len;
+ } else {
+ len_at_last_space = ++current_span.len;
+ }
+ }
+ current_span.len = len_at_last_space;
+ if (current_span.len)
+ highlight_multivalue_value(ret, parent, current_span, section);
+ else if (ret->spans[ret->len - 1].type == HighlightDelimiter)
+ 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)
+{
+ switch (section) {
+ case PrivateKey:
+ case PublicKey:
+ case PresharedKey:
+ append_highlight_span(ret, parent.s, s, is_valid_key(s) ? HighlightKey : HighlightError);
+ break;
+ case FwMark:
+ append_highlight_span(ret, parent.s, s, is_valid_fwmark(s) ? HighlightFwMark : HighlightError);
+ break;
+ case Table:
+ append_highlight_span(ret, parent.s, s, is_valid_table(s) ? HighlightTable : HighlightError);
+ break;
+ case MTU:
+ append_highlight_span(ret, parent.s, s, is_valid_mtu(s) ? HighlightMTU : HighlightError);
+ break;
+ case SaveConfig:
+ append_highlight_span(ret, parent.s, s, is_valid_saveconfig(s) ? HighlightSaveConfig : HighlightError);
+ break;
+ case PreUp:
+ case PostUp:
+ case PreDown:
+ case PostDown:
+ append_highlight_span(ret, parent.s, s, is_valid_prepostupdown(s) ? HighlightCmd : HighlightError);
+ break;
+ case ListenPort:
+ append_highlight_span(ret, parent.s, s, is_valid_port(s) ? HighlightPort : HighlightError);
+ break;
+ case PersistentKeepalive:
+ append_highlight_span(ret, parent.s, s, is_valid_persistentkeepalive(s) ? HighlightKeepalive : HighlightError);
+ break;
+ case Endpoint: {
+ size_t colon;
+
+ if (!is_valid_endpoint(s)) {
+ append_highlight_span(ret, parent.s, s, HighlightError);
+ break;
+ }
+ for (colon = s.len; colon --> 0;) {
+ if (s.s[colon] == ':')
+ break;
+ }
+ append_highlight_span(ret, parent.s, (string_span_t){ s.s, colon }, HighlightHost);
+ append_highlight_span(ret, parent.s, (string_span_t){ s.s + colon, 1 }, HighlightDelimiter);
+ append_highlight_span(ret, parent.s, (string_span_t){ s.s + colon + 1, s.len - colon - 1 }, HighlightPort);
+ break;
+ }
+ case Address:
+ case DNS:
+ case AllowedIPs:
+ highlight_multivalue(ret, parent, s, section);
+ break;
+ default:
+ append_highlight_span(ret, parent.s, s, HighlightError);
+ }
+}
+
+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 { OnNone, OnKey, OnValue, OnComment, OnSection } state = OnNone;
+ size_t len_at_last_space = 0, equals_location = 0;
+
+ for (size_t i = 0; i <= s.len; ++i) {
+ if (i == s.len || s.s[i] == '\n' || (state != OnComment && s.s[i] == '#')) {
+ if (state == OnKey) {
+ current_span.len = len_at_last_space;
+ append_highlight_span(&ret, s.s, current_span, HighlightError);
+ } else if (state == OnValue) {
+ 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);
+ } else {
+ append_highlight_span(&ret, s.s, (string_span_t){ s.s + equals_location, 1 }, HighlightError);
+ }
+ } else if (state == OnSection) {
+ current_span.len = len_at_last_space;
+ current_section = get_sectiontype(current_span);
+ append_highlight_span(&ret, s.s, current_span, current_section == Invalid ? HighlightError : HighlightSection);
+ } else if (state == OnComment) {
+ append_highlight_span(&ret, s.s, current_span, HighlightComment);
+ }
+ if (i == s.len)
+ break;
+ len_at_last_space = 0;
+ current_keytype = Invalid;
+ if (s.s[i] == '#') {
+ current_span = (string_span_t){ s.s + i, 1 };
+ state = OnComment;
+ } else {
+ current_span = (string_span_t){ s.s + i + 1, 0 };
+ state = OnNone;
+ }
+ } else if (state == OnComment) {
+ ++current_span.len;
+ } else if (s.s[i] == ' ' || s.s[i] == '\t') {
+ if (&s.s[i] == current_span.s && !current_span.len)
+ ++current_span.s;
+ else
+ ++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)
+ append_highlight_span(&ret, s.s, current_span, HighlightError);
+ else
+ append_highlight_span(&ret, s.s, current_span, HighlightKeytype);
+ equals_location = i;
+ current_span = (string_span_t){ s.s + i + 1, 0 };
+ state = OnValue;
+ } else {
+ if (state == OnNone)
+ state = s.s[i] == '[' ? OnSection : OnKey;
+ len_at_last_space = ++current_span.len;
+ }
+ }
+
+ append_highlight_span(&ret, s.s, (string_span_t){ s.s, -1 }, HighlightEnd);
+ return ret.spans;
+}
projects / thirdparty / wireguard-apple.git / commitdiff
