- (djm) Bug #111: Run syslog and stderr logging through strnvis to eliminate
nasties. Report from peak@argo.troja.mff.cuni.cz
diff --git a/log.c b/log.c
index 96626d7..ead7e90 100644
--- a/log.c
+++ b/log.c
@@ -386,11 +386,14 @@
} else {
vsnprintf(msgbuf, sizeof(msgbuf), fmt, args);
}
+ /* Escape magic chars in output. */
+ strnvis(fmtbuf, msgbuf, sizeof(fmtbuf), VIS_OCTAL);
+
if (log_on_stderr) {
- fprintf(stderr, "%s\r\n", msgbuf);
+ fprintf(stderr, "%s\r\n", fmtbuf);
} else {
openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility);
- syslog(pri, "%.500s", msgbuf);
+ syslog(pri, "%.500s", fmtbuf);
closelog();
}
}