Mercurial > dnsbl
changeset 346:66969443a012
need to strip <> from recipient address before sending to verifier
author | Carl Byington <carl@five-ten-sg.com> |
---|---|
date | Fri, 23 Dec 2016 09:35:10 -0800 |
parents | 9f328a0a1719 |
children | 65e1489a3a67 |
files | src/dnsbl.cpp |
diffstat | 1 files changed, 36 insertions(+), 31 deletions(-) [+] |
line wrap: on
line diff
--- a/src/dnsbl.cpp Fri Dec 23 08:20:53 2016 -0800 +++ b/src/dnsbl.cpp Fri Dec 23 09:35:10 2016 -0800 @@ -1101,8 +1101,8 @@ // to lower case. Some clients enclose the entire address in single quotes, // so we strip those as well. We also remove the SRS and prvs coding. // -const char *to_lower_string(const char *email); -const char *to_lower_string(const char *email) { +const char *to_lower_string(const char *email, bool srs = true); +const char *to_lower_string(const char *email, bool srs) { if (!email) return strdup("<>"); size_t n = strlen(email); if ((n > 1) && (email[0] == '<') && (email[n-1] == '>')) { @@ -1117,6 +1117,8 @@ char *key = strdup(email); key[n] = '\0'; for (size_t i=0; i<n; i++) key[i] = tolower(key[i]); + + if (srs) { if ((n > 14) && (strncmp(key, "srs", 3) == 0)) { // might have srs coding to be removed const int nmatch = 7; @@ -1151,6 +1153,7 @@ } } } + } return key; } @@ -1365,7 +1368,9 @@ if (ver) { // try to verify this from/to pair of addresses even if it might be explicitly whitelisted + const char *loto = to_lower_string(rcptaddr, false); bool rc = ver->ok(priv.queueid, priv.mailaddr, rcptaddr); + free((void*)loto); if (!rc) { smfi_setreply(ctx, (char*)"550", (char*)"5.7.1", (char*)"no such user"); return SMFIS_REJECT;