diff options
Diffstat (limited to 'ui/syntax/syntaxedit.c')
| -rw-r--r-- | ui/syntax/syntaxedit.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/ui/syntax/syntaxedit.c b/ui/syntax/syntaxedit.c index 1b674623..cf75b0e4 100644 --- a/ui/syntax/syntaxedit.c +++ b/ui/syntax/syntaxedit.c @@ -21,6 +21,7 @@ const GUID CDECL IID_ITextDocument = { 0x8CC497C0, 0xA1DF, 0x11CE, { 0x80, 0x98, struct syntaxedit_data { IRichEditOle *irich; ITextDocument *idoc; + enum block_state last_block_state; bool highlight_guard; }; @@ -54,6 +55,67 @@ static const struct span_style stylemap[] = { [HighlightError] = { .color = RGB(0xC4, 0x1A, 0x16), .effects = CFE_UNDERLINE } }; +static void evaluate_untunneled_blocking(struct syntaxedit_data *this, HWND hWnd, const char *msg, struct highlight_span *spans) +{ + enum block_state state = InevaluableBlockingUntunneledTraffic; + bool on_allowedips = false; + bool seen_peer = false; + bool seen_v6_00 = false, seen_v4_00 = false; + bool seen_v6_01 = false, seen_v6_80001 = false, seen_v4_01 = false, seen_v4_1281 = false; + + for (struct highlight_span *span = spans; span->type != HighlightEnd; ++span) { + switch (span->type) { + case HighlightError: + goto done; + case HighlightSection: + if (span->len != 6 || strncasecmp(&msg[span->start], "[peer]", 6)) + break; + if (!seen_peer) + seen_peer = true; + else + goto done; + break; + case HighlightField: + on_allowedips = span->len == 10 && !strncasecmp(&msg[span->start], "allowedips", 10); + break; + case HighlightIP: + if (!on_allowedips || !seen_peer) + break; + if ((span + 1)->type != HighlightDelimiter || (span + 2)->type != HighlightCidr) + break; + if ((span + 2)->len != 1) + break; + if (msg[(span + 2)->start] == '0') { + if (span->len == 7 && !strncmp(&msg[span->start], "0.0.0.0", 7)) + seen_v4_00 = true; + else if (span->len == 2 && !strncmp(&msg[span->start], "::", 2)) + seen_v6_00 = true; + } else if (msg[(span + 2)->start] == '1') { + if (span->len == 7 && !strncmp(&msg[span->start], "0.0.0.0", 7)) + seen_v4_01 = true; + else if (span->len == 9 && !strncmp(&msg[span->start], "128.0.0.0", 9)) + seen_v4_1281 = true; + else if (span->len == 2 && !strncmp(&msg[span->start], "::", 2)) + seen_v6_01 = true; + else if (span->len == 6 && !strncmp(&msg[span->start], "8000::", 6)) + seen_v6_80001 = true; + } + break; + } + } + + if (seen_v4_00 || seen_v6_00) + state = BlockingUntunneledTraffic; + else if ((seen_v4_01 && seen_v4_1281) || (seen_v6_01 && seen_v6_80001)) + state = NotBlockingUntunneledTraffic; + +done: + if (state != this->last_block_state) { + SendMessage(hWnd, SE_TRAFFIC_BLOCK, 0, state); + this->last_block_state = state; + } +} + static void highlight_text(HWND hWnd) { GETTEXTLENGTHEX gettextlengthex = { @@ -104,6 +166,8 @@ static void highlight_text(HWND hWnd) if (!spans) goto out; + evaluate_untunneled_blocking(this, hWnd, msg, spans); + this->idoc->lpVtbl->Undo(this->idoc, tomSuspend, NULL); SendMessage(hWnd, WM_SETREDRAW, FALSE, 0); SendMessage(hWnd, EM_EXGETSEL, 0, (LPARAM)&orig_selection); |