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author | Steve Holme <steve_holme@hotmail.com> | 2020-02-08 00:37:03 +0000 |
---|---|---|
committer | Steve Holme <steve_holme@hotmail.com> | 2020-02-26 11:02:38 +0000 |
commit | 2aa6c1735a84f6df11b5f5863a704034b820c925 (patch) | |
tree | 15598b3ed7640e57fc6392b9382ecc213a052259 | |
parent | e7959c280c0361d2e448776d9ea11305e2f026bc (diff) | |
download | curl-2aa6c1735a84f6df11b5f5863a704034b820c925.tar.gz |
smtp: Support UTF-8 based host names in the VRFY command
-rw-r--r-- | lib/smtp.c | 34 | ||||
-rw-r--r-- | tests/data/Makefile.inc | 2 | ||||
-rw-r--r-- | tests/data/test961 | 3 | ||||
-rw-r--r-- | tests/data/test964 | 48 | ||||
-rwxr-xr-x | tests/ftpserver.pl | 8 |
5 files changed, 87 insertions, 8 deletions
diff --git a/lib/smtp.c b/lib/smtp.c index 1718cc2db..3c3dfcbd9 100644 --- a/lib/smtp.c +++ b/lib/smtp.c @@ -485,13 +485,35 @@ static CURLcode smtp_perform_command(struct connectdata *conn) struct Curl_easy *data = conn->data; struct SMTP *smtp = data->req.protop; - /* Send the command */ - if(smtp->rcpt) - result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s %s", - smtp->custom && smtp->custom[0] != '\0' ? - smtp->custom : "VRFY", - smtp->rcpt->data); + if(smtp->rcpt) { + if((!smtp->custom) || (!smtp->custom[0])) { + char *address = NULL; + struct hostname host = { NULL, NULL, NULL, NULL }; + + /* Parse the mailbox to verify into the local address and host name + parts, converting the host name to an IDN A-label if necessary */ + result = smtp_parse_address(conn, smtp->rcpt->data, + &address, &host); + if(result) + return result; + + /* Send the VRFY command (Note: The host name part may be absent when the + host is a local system) */ + result = Curl_pp_sendf(&conn->proto.smtpc.pp, "VRFY %s%s%s", + address, + host.name ? "@" : "", + host.name ? host.name : ""); + + Curl_free_idnconverted_hostname(&host); + free(address); + } + else + /* Send the custom recipient based command such as the EXPN command */ + result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s %s", smtp->custom, + smtp->rcpt->data); + } else + /* Send the non-recipient based command such as HELP */ result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", smtp->custom && smtp->custom[0] != '\0' ? smtp->custom : "HELP"); diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc index 8d2ef14ce..5215f442f 100644 --- a/tests/data/Makefile.inc +++ b/tests/data/Makefile.inc @@ -109,7 +109,7 @@ test927 test928 test929 test930 test931 test932 test933 test934 test935 \ test936 test937 test938 test939 test940 test941 test942 test943 test944 \ test945 test946 test947 test948 test949 test950 test951 test952 test953 \ test954 test955 test956 test957 test958 test959 test960 test961 test962 \ -test963 \ +test963 test964 \ \ test1000 test1001 test1002 test1003 test1004 test1005 test1006 test1007 \ test1008 test1009 test1010 test1011 test1012 test1013 test1014 test1015 \ diff --git a/tests/data/test961 b/tests/data/test961 index 80ebca887..2e70cb404 100644 --- a/tests/data/test961 +++ b/tests/data/test961 @@ -17,6 +17,9 @@ VRFY <server> smtp </server> +<features> +!idn +</features> <setenv> LC_ALL=en_US.UTF-8 LC_CTYPE=en_US.UTF-8 diff --git a/tests/data/test964 b/tests/data/test964 new file mode 100644 index 000000000..326cdd21e --- /dev/null +++ b/tests/data/test964 @@ -0,0 +1,48 @@ +<testcase> +<info> +<keywords> +SMTP +VRFY +IDN +</keywords> +</info> + +# +# Server-side +<reply> +</reply> + +# +# Client-side +<client> +<server> +smtp +</server> +<features> +idn +</features> +<setenv> +LC_ALL=en_US.UTF-8 +LC_CTYPE=en_US.UTF-8 +</setenv> +<precheck> +perl -MI18N::Langinfo=langinfo,CODESET -e 'die "Needs a UTF-8 locale" if (lc(langinfo(CODESET())) ne "utf-8");' +</precheck> + <name> +SMTP external VRFY without SMTPUTF8 support (IDN Enabled) - UTF-8 based recipient (host part only) + </name> +<command> +smtp://%HOSTIP:%SMTPPORT/964 --mail-rcpt user@åäö.se +</command> +</client> + +# +# Verify data after the test has been "shot" +<verify> +<protocol> +EHLO 964
+VRFY user@xn--4cab6c.se
+QUIT
+</protocol> +</verify> +</testcase> diff --git a/tests/ftpserver.pl b/tests/ftpserver.pl index 6709769d7..59a1665bd 100755 --- a/tests/ftpserver.pl +++ b/tests/ftpserver.pl @@ -1040,7 +1040,13 @@ sub VRFY_smtp { my @data = getreplydata($smtp_client); if(!@data) { - push @data, "250 <$username\@example.com>\r\n" + if ($username !~ + /^([a-zA-Z0-9._%+-]+)\@(([a-zA-Z0-9-]+)\.)+([a-zA-Z]{2,4})$/) { + push @data, "250 <$username\@example.com>\r\n" + } + else { + push @data, "250 <$username>\r\n" + } } for my $d (@data) { |