41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
From 565ac66ec0c187ffb442226487de3db376702958 Mon Sep 17 00:00:00 2001
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From: Marsman1996 <lqliuyuwei@outlook.com>
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Date: Thu, 9 Feb 2023 18:56:21 +0800
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Subject: [PATCH] Check filename before coping to initialLogFileName
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Origin: https://github.com/liblouis/liblouis/commit/565ac66
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https://github.com/liblouis/liblouis/commit/47822bb
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---
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liblouis/logging.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/liblouis/logging.c b/liblouis/logging.c
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index bbffdcc..10f0d9f 100644
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--- a/liblouis/logging.c
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+++ b/liblouis/logging.c
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@@ -117,8 +117,10 @@ _lou_logMessage(logLevels level, const char *format, ...) {
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}
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}
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+#define FILENAMESIZE 256
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+
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static FILE *logFile = NULL;
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-static char initialLogFileName[256] = "";
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+static char initialLogFileName[FILENAMESIZE] = "";
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void EXPORT_CALL
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lou_logFile(const char *fileName) {
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@@ -126,7 +128,7 @@ lou_logFile(const char *fileName) {
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fclose(logFile);
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logFile = NULL;
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}
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- if (fileName == NULL || fileName[0] == 0) return;
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+ if (fileName == NULL || fileName[0] == 0 || strlen(fileName) >= FILENAMESIZE) return;
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if (initialLogFileName[0] == 0) strcpy(initialLogFileName, fileName);
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logFile = fopen(fileName, "a");
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if (logFile == NULL && initialLogFileName[0] != 0)
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--
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2.33.0
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