From c5a1da0c735c428a53596b31b32aae82a257c3bf Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Fri, 3 Aug 2012 22:03:33 -0700
Subject: move spf_example here (from ~/hack)

---
 tools/spf_example.c | 200 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 200 insertions(+)
 create mode 100644 tools/spf_example.c

(limited to 'tools/spf_example.c')

diff --git a/tools/spf_example.c b/tools/spf_example.c
new file mode 100644
index 0000000..30a84d6
--- /dev/null
+++ b/tools/spf_example.c
@@ -0,0 +1,200 @@
+/*
+ *  spf_example - An example program for how to use libspf2
+ *
+ */
+
+
+/*
+ * The libspf2 library uses the GNU autoconf system to help make
+ * the library more portable.  The config.h file should have the
+ * HAVE_xxx defines that are appropriate for your system.  Either use
+ * autconf to create it, or create it by hand.
+ */
+
+#include "utils.h"
+
+# include "spf_config.h"      /* jsd: copied from somewhere */
+                /* not quite created by hand, */
+                /* but not now automatic, either */
+
+#ifdef STDC_HEADERS
+# include <stdio.h>
+# include <stdlib.h>       /* malloc / free */
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>  /* types (u_char .. etc..) */
+#endif
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+
+#ifdef HAVE_STRING_H
+# include <string.h>       /* strstr / strdup */
+#else
+# ifdef HAVE_STRINGS_H
+#  include <strings.h>     /* strstr / strdup */
+# endif
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>   /* inet_ functions / structs */
+#endif
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>   /* inet_ functions / structs */
+#endif
+#ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h> /* in_addr struct */
+#endif
+
+#ifdef HAVE_ARPA_NAMESER_H
+# include <arpa/nameser.h> /* DNS HEADER struct */
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#endif
+
+/*
+ * libspf2 public include files that are needed for this example
+ * program
+ */
+
+#include <string>
+#include <list>
+#include <iostream>
+#include <sstream>
+#include "sepofra.h"
+
+using namespace std;
+
+/*
+ * usage() just prints out the command line options for this program
+ */
+static void usage()
+{
+        fprintf(
+        stderr,
+        "Usage:\n"
+        "   spf_example [options]\n"
+        "\n"
+        "Valid data options are:\n"
+        "    -I <IP address>            The IP address that is sending email\n"
+        "    -F <email address>         The email address used as the\n"
+        "                               envelope MAIL FROM.  If no username (local\n"
+        "                               part) is given, 'postmaster' will be\n"
+        "                               assumed.\n"
+        "    -T <email address>         [optional] The email address used as\n"
+        "                               the envelope RCPT TO email address, for\n"
+        "                               secondary-MX checking.\n"
+        "    -H <domain name>           The domain name given on the SMTP HELO\n"
+        "                               command.  This is only needed if the\n"
+        "                               -F option is not given.\n"
+        "    -d                         increase debug level.\n"
+        "    -d5                        set debug level to 5.\n"
+        );
+}
+
+
+/*
+ * All the code is in the main routine, but most usages of libspf2
+ * would have the code spread around into various subrotines.
+ */
+
+int main( int argc, char *argv[] )
+{
+  sepofra my_spf;
+  int c;
+  int     res = 0;
+
+  string opt_ip;
+  string opt_mailfrom;
+  string opt_helo;
+  string opt_rcpt_to;
+  int   opt_debug = 0;
+
+  /*
+   * check the arguments
+   */
+
+  while (1)
+  {
+  c = getopt(argc, argv, "hI:F:H:T:d::" );
+
+  if (c == -1)
+          break;
+
+  switch (c)
+  {
+  case 'h':
+          usage();
+          exit(0);
+  case 'I':
+          opt_ip = trim(optarg);
+          break;
+
+  case 'F':
+          opt_mailfrom = trim(optarg, " \t\r\n<>");
+          break;
+
+  case 'H':
+          opt_helo = trim(optarg, " \t\r\n<>");
+          break;
+
+  case 'T':
+          opt_rcpt_to = optarg;
+          break;
+
+  case 0:
+  case '?':
+          goto helpout;
+          break;
+
+  case 'd':
+          if (optarg == NULL)
+          opt_debug++;
+          else
+          opt_debug = atoi( optarg );
+          break;
+
+  default:
+          fprintf( stderr, "Error: getopt returned character code 0%o ??\n", c);
+  }
+  }
+
+  if (optind != argc) {
+    fprintf(stderr, "extraneous verbiage: '%s'\n", argv[optind]);
+    goto helpout;
+  }
+  if (!opt_ip.length()){
+    fprintf(stderr, "Option -I 'IP.address' is required\n");
+    goto helpout;
+  }
+  if (!opt_helo.length()){
+    fprintf(stderr, "option '-H host.name' is required\n");
+    goto helpout;
+  }
+  if (!opt_mailfrom.length()){
+    fprintf(stderr, "option '-F mail@from' is required\n");
+    goto helpout;
+  }
+
+  try {
+    my_spf.check(opt_ip, opt_helo, opt_mailfrom, opt_rcpt_to, opt_debug);
+    cout << "*** " << my_spf.explain() << endl;
+  } catch (bad_thing foo) {
+    cout << "Caught bad thing: " << foo.what() << endl;
+  }
+  return 0;
+
+helpout:
+  fprintf(stderr, "for help try -h\n");
+  res = 255;
+  return res;
+
+}
-- 
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