int smtp_send(void *handle, const char *to, const char *cc, const char *from,
const char *subject, const char *msg, int msglen)
{
struct smtp_state *psmtp = (struct smtp_state *)handle;
struct sockaddr_in server;
int sockfd;
int ret;
/* Setup */
psmtp->connected = true;
psmtp->to = to;
psmtp->cc = cc;
psmtp->from = from;
psmtp->subject = subject;
psmtp->msg = msg;
psmtp->msglen = msglen;
/* Create a socket */
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
{
return ERROR;
}
/* Connect to server. First we have to set some fields in the
* 'server' structure. The system will assign me an arbitrary
* local port that is not in use.
*/
server.sin_family = AF_INET;
memcpy(&server.sin_addr.s_addr, &psmtp->smtpserver, sizeof(in_addr_t));
server.sin_port = HTONS(25);
if (connect(sockfd, (struct sockaddr *)&server, sizeof(struct sockaddr_in)) < 0)
{
close(sockfd);
return ERROR;
}
/* Send the message */
ret = smtp_send_message(sockfd, psmtp);
close(sockfd);
return ret;
}
/**
* @brief Send the contents of a user-submitted contact or abuse form to the magma-configured contact email address.
* @param con the connection of the web client making the request.
* @param branch a null-terminated string containing the destination of the contact form: either "Abuse" or "Contact".
* @return This function returns no value.
*/
void contact_business(connection_t *con, chr_t *branch) {
stringer_t *composed, *ip, *daddr;
http_data_t *name, *email, *message;
bool_t is_contact;
// A contact form submission by default
if (!st_cmp_cs_eq(NULLER(branch), PLACER("Abuse", 5))) {
is_contact = false;
daddr = magma.admin.abuse;
} else {
is_contact = true;
daddr = magma.admin.contact;
}
// One last sanity check, just in case.
if (is_contact && !daddr) {
contact_print_message(con, branch, "An unexpected error occurred while trying to process your request. This server does not have a contact address configured.");
log_error("Contact form routine was reached but no contact address was configured.");
return;
}
else if (!is_contact && !daddr) {
contact_print_message(con, branch, "An unexpected error occurred while trying to process your request. This server does not have an abuse address configured.");
log_error("Abuse form routine was reached but no abuse address was configured.");
return;
}
// If either the name, email, or message fields are omitted from the post, spit out an error message.
if (!(name = http_data_get(con, HTTP_DATA_POST, "your_name")) || !name->value) {
contact_print_form(con, branch, contact_business_add_error(branch, (uchr_t *)"//xhtml:input[@id='your_name']", (uchr_t *)"your_name_msg", (uchr_t *)"Please enter your name."));
return;
}
else if (!(email = http_data_get(con, HTTP_DATA_POST, "your_email")) || !email->value || !contact_business_valid_email(email->value)) {
contact_print_form(con, branch, contact_business_add_error(branch, (uchr_t *)"//xhtml:input[@id='your_email']", (uchr_t *)"your_email_msg", (uchr_t *)"A valid e-mail address is required."));
return;
}
else if (!(message = http_data_get(con, HTTP_DATA_POST, "your_message")) || !message->value) {
contact_print_form(con, branch, contact_business_add_error(branch, (uchr_t *)"//xhtml:textarea[@id='your_message']", (uchr_t *)"your_message_msg", (uchr_t *)"Please enter your message."));
return;
}
// Build the IP string.
ip = con_addr_presentation(con, MANAGEDBUF(64));
if ((composed = st_merge("nnnsnsnsnsnsnsnsn", "Subject: ", (is_contact ? "* Contact Form Submission *" : "*Abuse Form Submission*"),
"\r\nFrom: ", magma.admin.contact, "\r\nTo: ", magma.admin.contact, "\r\nReply-To: ",
email->value, "\r\n\r\nip = ", ip, "\r\nname = ", name->value, "\r\nemail = ", email->value, "\r\n------------\r\n\r\n ", message->value, "\r\n"))) {
// Dotstuff the message. Just to prevent SMTP injection attacks.
st_replace(&composed, PLACER("\n.",2), PLACER("\n..", 3));
// Send the message.
if (smtp_send_message(daddr, daddr, composed) != 1) {
contact_print_message(con, branch, "An error occurred while trying to process your request. Please try again in a few minutes.");
st_free(composed);
return;
}
// Increment our abuse counters.
contact_abuse_increment_history(con);
st_free(composed);
}
contact_print_message(con, branch, "Your message has been submitted. We'll review your message-typically within one business day-and get back to you. However "
"during certain busy periods our team can take up to three business days to respond.");
return;
}
