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| author | Neels Hofmeyr <neels@hofmeyr.de> | 2017-12-16 04:54:37 +0100 |
|---|---|---|
| committer | Neels Hofmeyr <nhofmeyr@sysmocom.de> | 2017-12-17 21:57:55 +0000 |
| commit | e5a2bdbc5501b892605a6a1fe7e30fb2f1546d42 (patch) | |
| tree | 818bcbbb1116966182f46d67bff60d01ff12e359 /src/utils.c | |
| parent | 3ef14a241afc123560e9a50d17948b040481b299 (diff) | |
fix osmo_identifier_valid(): only allow printable characters
In particular disallow ASCII 0..31 (control characters) and 127 (DEL).
Change-Id: I04469988495af03c881fe81d7786ca7f71636299
Diffstat (limited to 'src/utils.c')
| -rw-r--r-- | src/utils.c | 2 |
1 files changed, 2 insertions, 0 deletions
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; |