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Diffstat (limited to 'tools/spf_example.c')
| -rw-r--r-- | tools/spf_example.c | 200 |
1 files changed, 200 insertions, 0 deletions
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; + +} |