Implement IPv6 support.

* am/ipv6.m4: New file.
* examples/sa.c: New file.
* include/mailutils/cidr.h: New file.
* include/mailutils/sockaddr.h: New file.
* libmailutils/cidr/Makefile.am: New file.
* libmailutils/cidr/fromsa.c: New file.
* libmailutils/cidr/fromstr.c: New file.
* libmailutils/cidr/match.c: New file.
* libmailutils/cidr/tosa.c: New file.
* libmailutils/cidr/tostr.c: New file.
* libmailutils/sockaddr/Makefile.am: New file.
* libmailutils/sockaddr/copy.c: New file.
* libmailutils/sockaddr/create.c: New file.
* libmailutils/sockaddr/free.c: New file.
* libmailutils/sockaddr/fromnode.c: New file.
* libmailutils/sockaddr/insert.c: New file.
* libmailutils/sockaddr/ipaddr.c: New file.
* libmailutils/sockaddr/str.c: New file.
* libmailutils/sockaddr/unlink.c: New file.
* libmailutils/sockaddr/url.c: New file.
* libmailutils/tests/cidr.c: New file.

* configure.ac: Call MU_ENABLE_IPV6.
Build libmailutils/sockaddr and libmailutils/cidr.
* examples/.gitignore: Add mblconv and sa
* examples/Makefile.am: (noinst_PROGRAMS): Add sa.
* examples/aclck.c: Use new ACL API.
* examples/echosrv.c: Use new mserv API.
* include/mailutils/Makefile.am (pkginclude_HEADERS): Add cidr.h
and sockaddr.h

* include/mailutils/acl.h (mu_acl_append, mu_acl_prepend)
(mu_acl_insert): Change signatures.
* include/mailutils/debug.h (mu_sockaddr_to_str): Remove proto.
* include/mailutils/mailutils.h: Include cidr.h and sockaddr.h
* include/mailutils/server.h (mu_ip_server_create): Change signature.
(mu_ip_server_get_sockaddr): Likewise.
(mu_m_server_set_default_address)
(mu_m_server_get_default_address): Remove.
* include/mailutils/stream.h (mu_tcp_stream_create_from_sa): New proto.
* include/mailutils/types.hin (mu_cidr, mu_sockaddr): New structs.

* include/mailutils/url.h (MU_URL_IPV6): New flag.
(MU_URL_PARSE_DSLASH_OPTIONAL): New parse flag.

* libmailutils/Makefile.am: Descend into cidr and sockaddr. Link in
libcidr and libsockaddr.
* libmailutils/diag/debug.c (mu_debug_log_begin): Flush mu_strerr.
* libmailutils/diag/errors (MU_ERR_NONAME)
(MU_ERR_BADFLAGS,MU_ERR_SOCKTYPE)
(MU_ERR_FAMILY,MU_ERR_SERVICE): New errors.

* libmailutils/server/acl.c: Rewrite API using mu_cidr.
* libmailutils/server/ipsrv.c: Rewrite AI using mu_sockaddr.
* libmailutils/server/msrv.c: Likewise.
* libmailutils/stream/tcp.c: Likewise.

* libmailutils/tests/.gitignore: Add cidr.
* libmailutils/tests/Makefile.am (noinst_PROGRAMS): Add cidr.
* libmailutils/tests/url-parse.c: Support command line options
to tune the parsing.
* libmailutils/tests/url.at: Pass options to url-parse.
* libmailutils/url/create.c (getkn): Return meaningful error code.
(_mu_url_ctx_parse_host): Accept IPv6 addresses. Set the MU_URL_IPV6
flag if one is given.
(_mu_url_ctx_parse): Unless MU_URL_PARSE_DSLASH_OPTIONAL flag is
given, request :// after scheme part.
(mu_url_create): Add MU_URL_PARSE_DSLASH_OPTIONAL flag.

* libmu_cfg/acl.c: Use new ACL API.
* mu/acl.c: Likewise.

* libproto/mailer/smtp.c (smtp_open): Use mu_tcp_stream_create_from_sa
* libproto/pop/mbox.c (pop_open): Likewise.
* mu/imap.c (com_connect): Likewise.
* mu/pop.c (com_connect): Likewise.
* testsuite/smtpsend.c (main): Likewise.

1 files changed, 45 insertions, 4 deletions

diff --git a/libmailutils/tests/url-parse.c b/libmailutils/tests/url-parse.c
index 86c917315..48dd40f84 100644
--- a/libmailutils/tests/url-parse.c
+++ b/libmailutils/tests/url-parse.c
@@ -25,6 +25,7 @@
 #include <mailutils/errno.h>
 #include <mailutils/url.h>
 #include <mailutils/secret.h>
+#include <mailutils/kwd.h>
 
 #define CAT2(a,b) a ## b
 
@@ -73,12 +74,52 @@ print_query (mu_url_t url)
     printf ("query[%lu] <%s>\n", (unsigned long) i, qargv[i]);
 }
 
+struct mu_kwd parse_kwtab[] = {
+  { "hexcode", MU_URL_PARSE_HEXCODE },
+  { "hidepass", MU_URL_PARSE_HIDEPASS },
+  { "portsrv", MU_URL_PARSE_PORTSRV },
+  { "portwc", MU_URL_PARSE_PORTWC },
+  { "pipe",  MU_URL_PARSE_PIPE },
+  { "slash", MU_URL_PARSE_SLASH },
+  { "dslash_optional", MU_URL_PARSE_DSLASH_OPTIONAL },
+  { "default", MU_URL_PARSE_DEFAULT },
+  { "all", MU_URL_PARSE_ALL },
+  { NULL }
+};
+
+
 int
-main ()
+main (int argc, char **argv)
 {
   char str[1024];
   unsigned port = 0;
-  mu_url_t u = NULL;
+  mu_url_t u = NULL, uhint = NULL;
+  int i;
+  int parse_flags = 0;
+  int rc;
+  
+  mu_set_program_name (argv[0]);
+  for (i = 1; i < argc; i++)
+    {
+      int flag;
+
+      if (strncmp (argv[i], "hint=", 5) == 0)
+	{
+	  rc = mu_url_create (&uhint, argv[i] + 5);
+	  if (rc)
+	    {
+	      mu_error ("cannot create hints: %s", mu_strerror (rc));
+	      exit (1);
+	    }
+	}
+      else if (mu_kwd_xlat_name_ci (parse_kwtab, argv[i], &flag) == 0)
+	parse_flags |= flag;
+      else
+	{
+	  mu_error ("%s: unknown flag %s", argv[0], argv[i]);
+	  exit (1);
+	}
+    }
 
   while (fgets (str, sizeof (str), stdin) != NULL)
     {
@@ -89,9 +130,9 @@ main ()
       str[strlen (str) - 1] = '\0';     /* chop newline */
       if (strspn (str, " \t") == strlen (str))
         continue;               /* skip empty lines */
-      if ((rc = mu_url_create (&u, str)) != 0)
+      if ((rc = mu_url_create_hint (&u, str, parse_flags, uhint)) != 0)
         {
-          fprintf (stderr, "mu_url_create %s ERROR: [%d] %s",
+          fprintf (stderr, "mu_url_create %s ERROR: [%d] %s\n",
                    str, rc, mu_strerror (rc));
           exit (1);
         }