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lineedit: create history files with mode 0600

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Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Wolfram Sang 2010-11-15 02:58:28 +01:00 committed by Denys Vlasenko
parent 6696eac274
commit 2e9aeae4db
1 changed files with 7 additions and 5 deletions
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12
libbb/lineedit.c
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@ -1336,7 +1336,7 @@ static void save_history(char *str)
int fd; int fd;
int len, len2; 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) if (fd < 0)
return; return;
xlseek(fd, 0, SEEK_END); /* paranoia */ 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? */ /* did we write so much that history file needs trimming? */
state->cnt_history_in_file++; state->cnt_history_in_file++;
if (state->cnt_history_in_file > MAX_HISTORY * 4) { if (state->cnt_history_in_file > MAX_HISTORY * 4) {
FILE *fp;
char *new_name; char *new_name;
line_input_t *st_temp; line_input_t *st_temp;
int i;
/* we may have concurrently written entries from others. /* we may have concurrently written entries from others.
* load them */ * load them */
@ -1364,8 +1362,12 @@ static void save_history(char *str)
/* write out temp file and replace hist_file atomically */ /* write out temp file and replace hist_file atomically */
new_name = xasprintf("%s.%u.new", state->hist_file, (int) getpid()); new_name = xasprintf("%s.%u.new", state->hist_file, (int) getpid());
fp = fopen_for_write(new_name); fd = open(state->hist_file, O_WRONLY | O_CREAT | O_TRUNC, 0600);
if (fp) { if (fd >= 0) {
FILE *fp;
int i;
fp = xfdopen_for_write(fd);
for (i = 0; i < st_temp->cnt_history; i++) for (i = 0; i < st_temp->cnt_history; i++)
fprintf(fp, "%s\n", st_temp->history[i]); fprintf(fp, "%s\n", st_temp->history[i]);
fclose(fp); fclose(fp);