From e5a2bdbc5501b892605a6a1fe7e30fb2f1546d42 Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Sat, 16 Dec 2017 04:54:37 +0100 Subject: fix osmo_identifier_valid(): only allow printable characters In particular disallow ASCII 0..31 (control characters) and 127 (DEL). Change-Id: I04469988495af03c881fe81d7786ca7f71636299 --- src/utils.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/utils.c') diff --git a/src/utils.c b/src/utils.c index bc5329d8..8f56227e 100644 --- a/src/utils.c +++ b/src/utils.c @@ -444,6 +444,8 @@ bool osmo_identifier_valid(const char *str) /* check for 7-bit ASCII */ if (str[i] & 0x80) return false; + if (!isprint((int)str[i])) + return false; /* check for some explicit reserved control characters */ if (strchr(illegal_chars, str[i])) return false; -- cgit v1.2.3