From 07bffd8cd6c89bc2e55124ef424b297834889753 Mon Sep 17 00:00:00 2001
From: Jan Willamowius <jan@willamowius.de>
Date: 周日, 21 4月 2019 23:56:48 +0800
Subject: [PATCH] don't write beyond buffer
---
src/library/base/logger.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/src/library/base/logger.c b/src/library/base/logger.c
index 4ee8354..1e4e662 100644
--- a/src/library/base/logger.c
+++ b/src/library/base/logger.c
@@ -4,8 +4,9 @@
#include <string.h>
#include <stdarg.h>
#include <time.h>
-#include <unistd.h>
+
#ifdef __unix__
+#include <unistd.h>
#define MAX_PATH 255
#else
#include <windows.h>
@@ -29,14 +30,14 @@
if (folder == 0) {
folder = "/tmp";
}
- strcpy(logpath, folder);
- strcat(logpath, "/open-license.log");
+ strncpy(logpath, folder, MAX_PATH);
+ strncat(logpath, "/open-license.log", MAX_PATH - strlen(logpath));
#else
- int plen=GetTempPath(MAX_PATH,logpath);
+ int plen = GetTempPath(MAX_PATH, logpath);
if(plen == 0) {
fprintf(stderr, "Error getting temporary directory path");
}
- strcat(logpath,"open-license.log");
+ strncat(logpath, "open-license.log", MAX_PATH - strlen(logpath));
#endif
}
--
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