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authorWolfram Sang2010-11-15 02:58:28 +0100
committerDenys Vlasenko2010-11-15 02:58:28 +0100
commit2e9aeae4dbc7bd45640ac472ee6ecb7eaf89fe8d (patch)
tree77d6991b64e7b67820f9524c7b0f8a856b904d23 /libbb/lineedit.c
parent6696eac274b5dcf5932b211fe9ee748d8268a39c (diff)
downloadbusybox-2e9aeae4dbc7bd45640ac472ee6ecb7eaf89fe8d.zip
busybox-2e9aeae4dbc7bd45640ac472ee6ecb7eaf89fe8d.tar.gz
lineedit: create history files with mode 0600
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/lineedit.c')
-rw-r--r--libbb/lineedit.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 68006ff..d6c3354 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1336,7 +1336,7 @@ static void save_history(char *str)
int fd;
int len, len2;
- fd = open(state->hist_file, O_WRONLY | O_CREAT | O_APPEND, 0666);
+ fd = open(state->hist_file, O_WRONLY | O_CREAT | O_APPEND, 0600);
if (fd < 0)
return;
xlseek(fd, 0, SEEK_END); /* paranoia */
@@ -1351,10 +1351,8 @@ static void save_history(char *str)
/* did we write so much that history file needs trimming? */
state->cnt_history_in_file++;
if (state->cnt_history_in_file > MAX_HISTORY * 4) {
- FILE *fp;
char *new_name;
line_input_t *st_temp;
- int i;
/* we may have concurrently written entries from others.
* load them */
@@ -1364,8 +1362,12 @@ static void save_history(char *str)
/* write out temp file and replace hist_file atomically */
new_name = xasprintf("%s.%u.new", state->hist_file, (int) getpid());
- fp = fopen_for_write(new_name);
- if (fp) {
+ fd = open(state->hist_file, O_WRONLY | O_CREAT | O_TRUNC, 0600);
+ if (fd >= 0) {
+ FILE *fp;
+ int i;
+
+ fp = xfdopen_for_write(fd);
for (i = 0; i < st_temp->cnt_history; i++)
fprintf(fp, "%s\n", st_temp->history[i]);
fclose(fp);