From 56eba164bd725d7f2b3a0f7df9d165e84cb7fe10 Mon Sep 17 00:00:00 2001
From: Jan Willamowius <jan@willamowius.de>
Date: 周一, 22 4月 2019 00:55:58 +0800
Subject: [PATCH] make sure there is room for nul byte
---
src/library/os/os-linux.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/library/os/os-linux.c b/src/library/os/os-linux.c
index af21f2c..b4d9441 100644
--- a/src/library/os/os-linux.c
+++ b/src/library/os/os-linux.c
@@ -109,7 +109,7 @@
if (drive_found == -1) {
LOG_DEBUG("mntent: %s %s %d\n", ent->mnt_fsname, ent->mnt_dir,
(unsigned long int)mount_stat.st_ino);
- strcpy(tmpDrives[currentDrive].device, ent->mnt_fsname);
+ strncpy(tmpDrives[currentDrive].device, ent->mnt_fsname, 255-1);
statDrives[currentDrive] = mount_stat.st_ino;
drive_found = currentDrive;
currentDrive++;
@@ -169,7 +169,7 @@
if (stat(cur_dir, &sym_stat) == 0) {
for (i = 0; i < currentDrive; i++) {
if (sym_stat.st_ino == statDrives[i]) {
- strncpy(tmpDrives[i].label, dir->d_name, 255);
+ strncpy(tmpDrives[i].label, dir->d_name, 255-1);
printf("label %d %s %s\n", i, tmpDrives[i].label,
tmpDrives[i].device);
}
@@ -290,7 +290,7 @@
strcat(proc_path, pidStr);
strcat(proc_path, "/exe");
- int ch = readlink(proc_path, path, MAX_PATH);
+ int ch = readlink(proc_path, path, MAX_PATH-1);
if (ch != -1) {
path[ch] = '\0';
strncpy(buffer, path, ch);
--
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