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(fish_utime): avoid buffer overflow: allocate buffer for command dynamically.

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Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2016-11-17 14:29:53 +03:00
parent 4c418047b2
commit 53a1d52ed9
1 changed files with 7 additions and 4 deletions
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11
src/vfs/fish/fish.c
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@ -1360,11 +1360,12 @@ fish_utime (const vfs_path_t * vpath, mc_timesbuf_t * times)
char utcatime[16], utcmtime[16];
time_t atime, mtime;
struct tm *gmt;
char buf[BUF_LARGE];
char *cmd;
const char *crpath;
char *rpath;
struct vfs_s_super *super;
const vfs_path_element_t *path_element;
int ret;
path_element = vfs_path_get_by_index (vpath, -1);
@ -1388,11 +1389,13 @@ fish_utime (const vfs_path_t * vpath, mc_timesbuf_t * times)
shell_commands =
g_strconcat (SUP->scr_env, "FISH_FILENAME=%s FISH_FILEATIME=%ld FISH_FILEMTIME=%ld ",
"FISH_TOUCHATIME=%s FISH_TOUCHMTIME=%s;\n", SUP->scr_utime, (char *) NULL);
g_snprintf (buf, sizeof (buf), shell_commands, rpath, (long) atime, (long) mtime,
utcatime, utcmtime);
cmd = g_strdup_printf (shell_commands, rpath, (long) atime, (long) mtime, utcatime, utcmtime);
g_free (shell_commands);
g_free (rpath);
return fish_send_command (path_element->class, super, buf, OPT_FLUSH);
ret = fish_send_command (path_element->class, super, cmd, OPT_FLUSH);
g_free (cmd);
return ret;
}
/* --------------------------------------------------------------------------------------------- */