diff options
Diffstat (limited to 'usr.sbin/nsd/zonec.c')
| -rw-r--r-- | usr.sbin/nsd/zonec.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/usr.sbin/nsd/zonec.c b/usr.sbin/nsd/zonec.c index 02e1a056b83..1b20b84d90f 100644 --- a/usr.sbin/nsd/zonec.c +++ b/usr.sbin/nsd/zonec.c @@ -89,6 +89,10 @@ zparser_conv_hex(region_type *region, const char *hex, size_t len) uint8_t *t; int i; + if(len == 1 && hex[0] == '0') { + /* single 0 represents empty buffer */ + return alloc_rdata(region, 0); + } if (len % 2 != 0) { zc_error_prev_line("number of hex digits must be a multiple of 2"); } else if (len > MAX_RDLENGTH * 2) { @@ -639,6 +643,10 @@ zparser_conv_b64(region_type *region, const char *b64) uint16_t *r = NULL; int i; + if(strcmp(b64, "0") == 0) { + /* single 0 represents empty buffer */ + return alloc_rdata(region, 0); + } i = __b64_pton(b64, buffer, B64BUFSIZE); if (i == -1) { zc_error_prev_line("invalid base64 data"); |