diff options
Diffstat (limited to 'lib/log_vty.c')
| -rw-r--r-- | lib/log_vty.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/log_vty.c b/lib/log_vty.c index d46fef15ae..d1dcac2340 100644 --- a/lib/log_vty.c +++ b/lib/log_vty.c @@ -277,7 +277,15 @@ static int set_log_file(struct zlog_cfg_file *target, struct vty *vty, return CMD_WARNING_CONFIG_FAILED; } - snprintf(path, sizeof(path), "%s/%s", cwd, fname); + int pr = snprintf(path, sizeof(path), "%s/%s", cwd, fname); + if (pr < 0 || (unsigned int)pr >= sizeof(path)) { + flog_err_sys( + EC_LIB_SYSTEM_CALL, + "%s: Path too long ('%s/%s'); system maximum is %u", + __func__, cwd, fname, MAXPATHLEN); + return CMD_WARNING_CONFIG_FAILED; + } + fullpath = path; } else fullpath = fname; |