diff options
Diffstat (limited to 'usr.sbin/smtpd/spfwalk.c')
| -rw-r--r-- | usr.sbin/smtpd/spfwalk.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/usr.sbin/smtpd/spfwalk.c b/usr.sbin/smtpd/spfwalk.c index 0832d1bc..d23f43a1 100644 --- a/usr.sbin/smtpd/spfwalk.c +++ b/usr.sbin/smtpd/spfwalk.c @@ -124,7 +124,17 @@ lookup_record(int type, const char *record, struct target *tgt) { struct asr_query *as; struct target *ntgt; + size_t i; + if (strchr(record, '%') != NULL) { + for (i = 0; record[i] != '\0'; i++) { + if (!isprint(record[i])) + record[i] = '?'; + } + warnx("%s: %s contains macros and can't be resolved", __func__, + record); + return; + } as = res_query_async(record, C_IN, type, NULL); if (as == NULL) err(1, "res_query_async"); |