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| author | Sam Varshavchik | 2021-11-11 19:31:10 -0500 |
|---|---|---|
| committer | Sam Varshavchik | 2021-11-11 19:31:10 -0500 |
| commit | 424cf6965d8144f5ecd0aecd9f45362bbb22a167 (patch) | |
| tree | 92f677621d4048b41bbc7557f90d0de336b26bfc | |
| parent | 9183636bf975dc6a91f264a966d76dc53942c53f (diff) | |
| download | courier-libs-424cf6965d8144f5ecd0aecd9f45362bbb22a167.tar.bz2 | |
rfc1035mxlist: add an distinct return code for "MX ." reply.
| -rw-r--r-- | rfc1035/rfc1035mxlist.c | 6 | ||||
| -rw-r--r-- | rfc1035/rfc1035mxlist.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/rfc1035/rfc1035mxlist.c b/rfc1035/rfc1035mxlist.c index 48c5f3c..cd08a11 100644 --- a/rfc1035/rfc1035mxlist.c +++ b/rfc1035/rfc1035mxlist.c @@ -382,6 +382,12 @@ int seen_good=0; replyp->allrrs[index]->rr.mx.mx_label, mxname) == 0) continue; + if (*mxname == 0) /* MX . */ + { + rfc1035_replyfree(replyp); + return (RFC1035_MX_NONE); + } + switch (add_arecords(res, list, replyp, replyp->allrrs[index]->rr.mx.preference, mxname, diff --git a/rfc1035/rfc1035mxlist.h b/rfc1035/rfc1035mxlist.h index a4417b6..7846cfb 100644 --- a/rfc1035/rfc1035mxlist.h +++ b/rfc1035/rfc1035mxlist.h @@ -24,6 +24,7 @@ extern "C" { #define RFC1035_MX_HARDERR 2 /* Hard DNS error */ #define RFC1035_MX_INTERNAL 3 /* Internal library error */ #define RFC1035_MX_BADDNS 4 /* Bad DNS records */ +#define RFC1035_MX_NONE 5 /* "MX ." record */ struct rfc1035_mxlist { struct rfc1035_mxlist *next; |