void SEC_EmailAlert()
{
MQX_TICK_STRUCT ticks;
MQX_XDATE_STRUCT xdate;
sockaddr addr;
_ip_address ipaddr;
uint_32 sock;
uint_32 error;
uint_32 option;
char_ptr event_ptr;
char temp[150];
char domain[30];
char user[30];
#if DEMOCFG_AUTH_REQUIRED
char temp_encoded[40];
#endif
if (!RTCS_resolve_ip_address(EMAIL_SERVER,&ipaddr,NULL,0)) {
printf("Error resolving IP address for %s using DNS Server at %d.%d.%d.%d\n", EMAIL_SERVER, IPBYTES(ipcfg_get_dns_ip(BSP_DEFAULT_ENET_DEVICE, 0)));
return;
}
/* Create socket */
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock == RTCS_SOCKET_ERROR)
{
printf("Error creating socket\n");
return;
}
/* Reduce buffer size of socket to save memory */
option = SMTP_BUFFER_SIZE;
error = setsockopt(sock, SOL_TCP, OPT_TBSIZE, &option, sizeof(option));
option = SMTP_BUFFER_SIZE;
error = setsockopt(sock, SOL_TCP, OPT_RBSIZE, &option, sizeof(option));
option = 1000;
error = setsockopt(sock, SOL_TCP, OPT_TIMEWAIT_TIMEOUT, &option, sizeof(option));
/* Allow binding to any address */
#if RTCSCFG_ENABLE_IP4
((sockaddr_in*)(&addr))->sin_family = AF_INET;
((sockaddr_in*)(&addr))->sin_port = 0;
((sockaddr_in*)(&addr))->sin_addr.s_addr = INADDR_ANY;
#elif RTCSCFG_ENABLE_IP6
printf("\nThis application don't support IPv6 only.\n");
_task_block();
#endif
error = bind(sock, &addr, sizeof(addr));
if (error != RTCS_OK) {
printf("Error in binding socket %08x\n",error);
shutdown(sock, FLAG_ABORT_CONNECTION);
return;
}
/* Connect to SMTP server */
#if RTCSCFG_ENABLE_IP4
((sockaddr_in*)(&addr))->sin_port = IPPORT_SMTP;
((sockaddr_in*)(&addr))->sin_addr.s_addr = ipaddr;
#elif RTCSCFG_ENABLE_IP6
printf("\nThis application does not support IPv6 only.\n");
_task_block();
#endif
error = connect(sock, &addr, sizeof(addr));
if (error != RTCS_OK) {
printf("Error in connection %08x\n",error);
shutdown(sock, FLAG_ABORT_CONNECTION);
return;
}
printf("\nConnecting to SMTP server %s...\n",EMAIL_SERVER);
printf("SMTP Server Response:\n");
SMTP_Receive_string(sock, temp, sizeof(temp));
/* Follow SMTP protocol to send email */
/* Parse domain name from the FROM address,
for use with the EHLO or HELO commands */
sscanf(EMAIL_FROM,"%30s@%30s",user,domain);
#if DEMOCFG_AUTH_REQUIRED
/* If Authentification is required, use EHLO command */
SMTP_Send_command(sock, "EHLO", domain, temp, sizeof(temp));
SMTP_Send_command(sock,"AUTH LOGIN",NULL,temp,sizeof(temp));
/* Find base64 econding of login name and send to SMTP server */
sprintf(temp,"%s\r\n",base64_encode(AUTH_USERNAME,temp_encoded));
SMTP_Send_string(sock,temp);
SMTP_Receive_string(sock,temp,sizeof(temp)-1);
/* Find base64 econding of password and send to SMTP server */
sprintf(temp,"%s\r\n",base64_encode(AUTH_PASSWORD,temp_encoded));
SMTP_Send_string(sock,temp);
SMTP_Receive_string(sock,temp, sizeof(temp)-1);
#else
/* If Authentification is not required, use HELO command as not all servers recognize EHLO */
SMTP_Send_command(sock, "HELO", domain, temp, sizeof(temp));
#endif
/* Transfer sender email address to server */
SMTP_Send_command(sock,"MAIL FROM:","<" EMAIL_FROM ">" ,temp,sizeof(temp));
/* Transfer recipient email address to server */
SMTP_Send_command(sock,"RCPT TO:","<" EMAIL_TO ">" ,temp,sizeof(temp));
/* Start DATA section */
SMTP_Send_command(sock,"DATA",NULL,temp,sizeof(temp));
printf("Sent:\n");
/* Send Subject, To, and From fields */
SMTP_Send_string(sock,(pointer)Email_header);
/* Determine what to send as body of message */
_time_get_ticks(&ticks);
_time_ticks_to_xdate(&ticks,&xdate);
sprintf(temp, "Date: %s, %d %s %d %02d:%02d:%02d -0000\r\n\r\n",
wday[xdate.WDAY],xdate.MDAY, months[xdate.MONTH-1],xdate.YEAR, xdate.HOUR, xdate.MIN, xdate.SEC );
SMTP_Send_string(sock,temp);
/* If button pushed was the "Door"... */
if(SEC_Params.Status==SEC_DOOR_OPEN_STATUS)
{
event_ptr = "Door was opened ";
} else
/* If button pushed was the "Window"... */
if(SEC_Params.Status==SEC_WINDOW_OPEN_STATUS)
{
event_ptr = "Window was opened ";
}
/* If not sure what caused stop mode to exit... */
else
{
event_ptr = "Unknown event occurred ";
}
SMTP_Send_string(sock,event_ptr);
/* If SNTP enabled, then send exact date and time button press happened */
#if DEMOCFG_ENABLE_SNTP
sprintf(temp,"on %d/%d/%d at %02d:%02d:%02d GMT. \r\n",xdate.MONTH,xdate.MDAY,xdate.YEAR,xdate.HOUR,xdate.MIN,xdate.SEC);
/* If SNTP not enabled, then give elapsed time instead */
#else
sprintf(temp,"%02d:%02d:%02d after system was started. \r\n",xdate.HOUR,xdate.MIN,xdate.SEC);
#endif
SMTP_Send_string(sock,temp);
if (last[0]) {
/* Send out how long ago the last event was */
SMTP_Send_string(sock,"Previous event was ");
SMTP_Send_string(sock,last);
}
strcpy(last,temp);
/* Send Freescale signature and disconnect from server with QUIT command */
SMTP_Send_string(sock,"\r\n-Freescale Semiconductor\r\n.\r\n");
SMTP_Send_command(sock,"QUIT",NULL,temp,sizeof(temp));
/* Close socket */
shutdown(sock, FLAG_CLOSE_TX);
}
int_32 Shell_smtp (int_32 argc, char_ptr argv[])
{
struct addrinfo hints;
struct addrinfo *result, *rp;
int_32 retval = 0;
uint_32 sfd = 0;
int_32 err_code = 0;
boolean print_help;
boolean shorthelp = FALSE;
SMTP_PARAM_STRUCT params;
char_ptr errstr = NULL;
char_ptr server = NULL;
char_ptr optstring = ":f:t:s:u:p:m:h";
int_32 next_option;
char_ptr email_text = NULL;
uint_32 email_size = 0;
MQX_TICK_STRUCT ticks;
MQX_XDATE_STRUCT xdate;
char date_str[DATE_LENGTH];
params.login = NULL;
params.pass = NULL;
print_help = Shell_check_help_request(argc, argv, &shorthelp);
if (print_help)
{
if (!shorthelp)
{
fprintf(stdout,"Usage:");
}
fprintf(stdout, "%s", argv[0]);
print_usage(stdout, shorthelp);
err_code = SHELL_EXIT_SUCCESS;
return(err_code);
}
/* Parse command line options */
do
{
next_option = Shell_getopt(argc, argv, optstring);
switch (next_option)
{
case 'f':
params.envelope.from = optarg;
break;
case 't':
params.envelope.to = optarg;
break;
case 'm':
params.text = optarg;
break;
case 's':
server = optarg;
break;
case 'u':
params.login = optarg;
break;
case 'p':
params.pass = optarg;
break;
case 'h':
print_usage (stdout, FALSE);
return(SHELL_EXIT_SUCCESS);
case '?': /* The user specified an invalid option. */
print_usage(stderr, TRUE);
return(SHELL_EXIT_ERROR);
case ':': /* Option has a missing parameter. */
printf("Option -%c requires a parameter.\n", next_option);
return(SHELL_EXIT_ERROR);
case -1: /* Done with options. */
break;
default:
break;
}
}while(next_option != -1);
_time_get_ticks(&ticks);
_time_ticks_to_xdate(&ticks,&xdate);
snprintf(date_str, DATE_LENGTH, "%s, %d %s %d %02d:%02d:%02d -0000",
wday[xdate.WDAY],xdate.MDAY, months[xdate.MONTH-1],xdate.YEAR, xdate.HOUR, xdate.MIN, xdate.SEC);
/* Evaluate email size */
email_size = strlen(params.envelope.from) +
strlen(params.envelope.to) +
strlen(params.text) +
strlen(date_str) +
strlen("From: <>\r\n") +
strlen("To: <>\r\n") +
strlen("Subject: Freescale Tower Email\r\n") +
strlen("Date: \r\n\r\n") +
strlen("\r\n") + 1;
/* Allocate space */
email_text = (char_ptr) _mem_alloc_zero(email_size);
if (email_text == NULL)
{
fprintf(stderr, " Unable to allocate memory for email message.\n");
err_code = SHELL_EXIT_ERROR;
return(err_code);
}
/* Prepare email message */
snprintf(email_text, email_size, "From: <%s>\r\n"
"To: <%s>\r\n"
"Subject: Freescale Tower Email\r\n"
"Date: %s\r\n\r\n"
"%s\r\n",
params.envelope.from,
params.envelope.to,
date_str,
params.text);
params.text = email_text;
_mem_zero(&hints, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM; /* TCP socket */
hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */
hints.ai_protocol = 0; /* Any protocol */
hints.ai_canonname = NULL;
hints.ai_addr = NULL;
hints.ai_next = NULL;
retval = getaddrinfo(server, NULL, &hints, &result);
if (retval != 0)
{
fprintf(stderr, " getaddrinfo failed. Error: 0x%X\n", retval);
err_code = SHELL_EXIT_ERROR;
return(err_code);
}
/* Allocate buffer for error message */
errstr = (char_ptr) _mem_alloc_system_zero(ERR_MSG_BUFF_SIZE);
/* Try to send email using one of addresses. If it fails try another one. */
for (rp = result; rp != NULL; rp = rp->ai_next)
{
_mem_copy(rp->ai_addr, ¶ms.server, sizeof(params.server));
/* Try to send email */
retval = SMTP_send_email(¶ms, errstr, ERR_MSG_BUFF_SIZE);
/* If connection failed try another address */
if (retval != SMTP_ERR_CONN_FAILED)
{
break;
}
}
/* No address succeeded */
if (rp == NULL)
{
fprintf(stderr, " Unable to connect to %s.\n", server);
err_code = SHELL_EXIT_ERROR;
}
if (retval != SMTP_OK)
{
printf(" Email sending failed%s %s\n", (strlen(errstr) > 0) ? ":":".", errstr);
err_code = SHELL_EXIT_ERROR;
}
else
{
printf(" Email send. Server response: %s", errstr);
}
/* Cleanup */
freeaddrinfo(result);
_mem_free(errstr);
_mem_free(email_text);
return(err_code);
}
