TlsContext *tlsInit(void)
{
TlsContext *context;
//Allocate a memory buffer to hold the TLS context
context = osAllocMem(sizeof(TlsContext));
//Failed to allocate memory
if(!context) return NULL;
//Clear TLS context
memset(context, 0, sizeof(TlsContext));
//Reference to the underlying socket
#if (TLS_BSD_SOCKET_SUPPORT == ENABLED)
context->socket = -1;
#else
context->socket = NULL;
#endif
//Default operation mode
context->entity = TLS_CONNECTION_END_CLIENT;
//Default TLS version
context->version = TLS_MIN_VERSION;
//Default client authentication mode
context->clientAuthMode = TLS_CLIENT_AUTH_NONE;
//Initialize Diffie-Hellman context
dhInit(&context->dhContext);
//Initialize ECDH context
ecdhInit(&context->ecdhContext);
//Initialize peer's RSA public key
rsaInitPublicKey(&context->peerRsaPublicKey);
//Initialize peer's DSA public key
dsaInitPublicKey(&context->peerDsaPublicKey);
//Initialize peer's EC domain parameters
ecInitDomainParameters(&context->peerEcParams);
//Initialize peer's EC public key
ecInit(&context->peerEcPublicKey);
//Allocate send and receive buffers
context->txBuffer = osAllocMem(TLS_TX_BUFFER_SIZE);
context->rxBuffer = osAllocMem(TLS_RX_BUFFER_SIZE);
//Failed to allocate memory?
if(!context->txBuffer || !context->rxBuffer)
{
//Free previously allocated memory
osFreeMem(context->txBuffer);
osFreeMem(context->rxBuffer);
osFreeMem(context);
//Report an error
return NULL;
}
//Clear send and receive buffers
memset(context->txBuffer, 0, TLS_TX_BUFFER_SIZE);
memset(context->rxBuffer, 0, TLS_RX_BUFFER_SIZE);
//Return a handle to the freshly created TLS context
return context;
}
int
main(int argc, char **argv)
{
int get;
int opt_index = 0; /* for getopt */
char *cc_string = NULL;
char *bcc_string = NULL;
const char *opts = "f:n:a:p:oVedvtb?c:s:r:u:i:g:m:H:x:";
/* Set certian global options to NULL */
conf_file = NULL;
memset(&Mopts, 0, sizeof(struct mailer_options));
Mopts.encoding = true;
/* Check if they need help */
if ((argc > 1) && (!strcmp(argv[1], "-h") ||
!strcmp(argv[1], "-help") || !strcmp(argv[1], "--help"))) {
if (argc == 3) {
moduleUsage(argv[2]);
} else if (argc == 2) {
usage();
} else {
fprintf(stderr, "Only specify one option with %s: \n", argv[1]);
usage();
}
}
table = dhInit(28, defaultDestr);
if (!table) {
fprintf(stderr, "ERROR: Could not initialize Hash table.\n");
exit(0);
}
while ((get = getopt_long_only(argc, argv, opts, Gopts, &opt_index)) > EOF) {
switch (get) {
case 'n':
setConfValue("MY_NAME", xstrdup(optarg));
break;
case 'f':
setConfValue("MY_EMAIL", xstrdup(optarg));
break;
case 'a':
if (!Mopts.attach) {
Mopts.attach = dlInit(defaultDestr);
}
dlInsertTop(Mopts.attach, xstrdup(optarg));
break;
case 'V':
Mopts.verbose = true;
break;
case 'p':
setConfValue("SMTP_PORT", xstrdup(optarg));
break;
case 'o':
Mopts.priority = 1;
break;
case 'e':
Mopts.gpg_opts |= GPG_ENC;
break;
case 's':
Mopts.subject = optarg;
break;
case 'r':
setConfValue("SMTP_SERVER", xstrdup(optarg));
break;
case 'c':
conf_file = optarg;
break;
case 't':
checkConfig();
printf("Configuration file is proper.\n");
dhDestroy(table);
return (0);
break;
case 'v':
printf("email - By Dean Jones; Version %s\n", EMAIL_VERSION);
dhDestroy(table);
exit(EXIT_SUCCESS);
break;
case 'b':
Mopts.blank = 1;
break;
case 'u':
setConfValue("SMTP_AUTH_USER", xstrdup(optarg));
break;
case 'i':
setConfValue("SMTP_AUTH_PASS", xstrdup(optarg));
break;
case 'm':
setConfValue("SMTP_AUTH", xstrdup(optarg));
break;
case 'g':
setConfValue("GPG_PASS", xstrdup(optarg));
break;
case 'H':
if (!Mopts.headers) {
Mopts.headers = dlInit(defaultDestr);
}
dlInsertTop(Mopts.headers, xstrdup(optarg));
break;
case 'x':
setConfValue("TIMEOUT", xstrdup(optarg));
break;
case '?':
usage();
break;
case 1:
Mopts.html = 1;
break;
case 2:
Mopts.gpg_opts |= GPG_SIG;
break;
case 3:
cc_string = optarg;
break;
case 4:
bcc_string = optarg;
break;
case 5:
/* To name? */
break;
case 6:
setConfValue("USE_TLS", xstrdup("true"));
break;
case 7:
Mopts.encoding = false;
break;
default:
/* Print an error message here */
usage();
break;
}
}
/* first let's check to make sure they specified some recipients */
if (optind == argc) {
usage();
}
configure();
/* Check to see if we need to attach a vcard. */
if (getConfValue("VCARD")) {
dstrbuf *vcard = expandPath(getConfValue("VCARD"));
if (!Mopts.attach) {
Mopts.attach = dlInit(defaultDestr);
}
dlInsertTop(Mopts.attach, xstrdup(vcard->str));
dsbDestroy(vcard);
}
/* set to addresses if argc is > 1 */
if (!(Mopts.to = getNames(argv[optind]))) {
fatal("You must specify at least one recipient!\n");
properExit(ERROR);
}
/* Set CC and BCC addresses */
if (cc_string) {
Mopts.cc = getNames(cc_string);
}
if (bcc_string) {
Mopts.bcc = getNames(bcc_string);
}
signal(SIGTERM, properExit);
signal(SIGINT, properExit);
signal(SIGPIPE, properExit);
signal(SIGHUP, properExit);
signal(SIGQUIT, properExit);
createMail();
properExit(0);
/* We never get here, but gcc will whine if i don't return something */
return 0;
}
