diff options
Diffstat (limited to 'src/libsystemd-network/dhcp-option.c')
| -rw-r--r-- | src/libsystemd-network/dhcp-option.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/libsystemd-network/dhcp-option.c b/src/libsystemd-network/dhcp-option.c index 7f49da7c2d..a52259c238 100644 --- a/src/libsystemd-network/dhcp-option.c +++ b/src/libsystemd-network/dhcp-option.c @@ -279,6 +279,7 @@ static int parse_options(const uint8_t options[], size_t buflen, uint8_t *overlo uint8_t code, len; const uint8_t *option; size_t offset = 0; + int r; while (offset < buflen) { code = options[offset ++]; @@ -318,13 +319,9 @@ static int parse_options(const uint8_t options[], size_t buflen, uint8_t *overlo if (error_message) { _cleanup_free_ char *string = NULL; - /* Accept a trailing NUL byte */ - if (memchr(option, 0, len - 1)) - return -EINVAL; - - string = memdup_suffix0((const char *) option, len); - if (!string) - return -ENOMEM; + r = make_cstring((const char*) option, len, MAKE_CSTRING_ALLOW_TRAILING_NUL, &string); + if (r < 0) + return r; if (!ascii_is_valid(string)) return -EINVAL; |