83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
|
#include "mongoose.h"
|
||
|
|
|
||
|
|
static const char *server =
|
||
|
|
"tcp://mail.domain.com:587"; // Change this! Your mail server and port
|
||
|
|
static const char *user = "aaa@domain.com"; // Change this! Your mail account
|
||
|
|
static const char *pass = "xxxxxxxxxxxxxx"; // Change this! Your mail password
|
||
|
|
static const char *to = "bbb@domain.com"; // Change this! Destination email
|
||
|
|
|
||
|
|
static const char *from = "My Mail Sender";
|
||
|
|
static const char *subj = "Test email from Mongoose library!";
|
||
|
|
static const char *mesg = "Hi!\nThis is a test message.\nBye.";
|
||
|
|
|
||
|
|
static bool s_quit;
|
||
|
|
|
||
|
|
enum { EHLO, STARTTLS, STARTTLS_WAIT, AUTH, FROM, TO, DATA, BODY, QUIT, END };
|
||
|
|
|
||
|
|
static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
|
||
|
|
uint8_t *state = (uint8_t *) c->data;
|
||
|
|
if (ev == MG_EV_OPEN) {
|
||
|
|
// c->is_hexdumping = 1;
|
||
|
|
} else if (ev == MG_EV_READ) {
|
||
|
|
if (c->recv.len > 0 && c->recv.buf[c->recv.len - 1] == '\n') {
|
||
|
|
MG_INFO(("<-- %.*s", (int) c->recv.len - 2, c->recv.buf));
|
||
|
|
c->recv.len = 0;
|
||
|
|
if (*state == EHLO) {
|
||
|
|
mg_printf(c, "EHLO myname\r\n");
|
||
|
|
*state = STARTTLS;
|
||
|
|
} else if (*state == STARTTLS) {
|
||
|
|
mg_printf(c, "STARTTLS\r\n");
|
||
|
|
*state = STARTTLS_WAIT;
|
||
|
|
} else if (*state == STARTTLS_WAIT) {
|
||
|
|
struct mg_tls_opts opts = {.ca = "ca.pem"};
|
||
|
|
mg_tls_init(c, &opts);
|
||
|
|
*state = AUTH;
|
||
|
|
} else if (*state == AUTH) {
|
||
|
|
char a[100], b[300] = "";
|
||
|
|
size_t n = mg_snprintf(a, sizeof(a), "%c%s%c%s", 0, user, 0, pass);
|
||
|
|
mg_base64_encode((uint8_t *) a, n, b);
|
||
|
|
mg_printf(c, "AUTH PLAIN %s\r\n", b);
|
||
|
|
*state = FROM;
|
||
|
|
} else if (*state == FROM) {
|
||
|
|
mg_printf(c, "MAIL FROM: <%s>\r\n", user);
|
||
|
|
*state = TO;
|
||
|
|
} else if (*state == TO) {
|
||
|
|
mg_printf(c, "RCPT TO: <%s>\r\n", to);
|
||
|
|
*state = DATA;
|
||
|
|
} else if (*state == DATA) {
|
||
|
|
mg_printf(c, "DATA\r\n");
|
||
|
|
*state = BODY;
|
||
|
|
} else if (*state == BODY) {
|
||
|
|
mg_printf(c, "From: %s <%s>\r\n", from, user); // Mail header
|
||
|
|
mg_printf(c, "Subject: %s\r\n", subj); // Mail header
|
||
|
|
mg_printf(c, "\r\n"); // End of headers
|
||
|
|
mg_printf(c, "%s\r\n", mesg); // Mail body
|
||
|
|
mg_printf(c, ".\r\n"); // End of body
|
||
|
|
*state = QUIT;
|
||
|
|
} else if (*state == QUIT) {
|
||
|
|
mg_printf(c, "QUIT\r\n");
|
||
|
|
*state = END;
|
||
|
|
} else {
|
||
|
|
c->is_draining = 1;
|
||
|
|
MG_INFO(("end"));
|
||
|
|
}
|
||
|
|
MG_INFO(("--> %.*s", (int) c->send.len - 2, c->send.buf));
|
||
|
|
}
|
||
|
|
} else if (ev == MG_EV_CLOSE) {
|
||
|
|
s_quit = true;
|
||
|
|
} else if (ev == MG_EV_TLS_HS) {
|
||
|
|
MG_INFO(("TLS handshake done! Sending EHLO again"));
|
||
|
|
mg_printf(c, "EHLO myname\r\n");
|
||
|
|
}
|
||
|
|
(void) fn_data, (void) ev_data;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(void) {
|
||
|
|
struct mg_mgr mgr;
|
||
|
|
mg_mgr_init(&mgr);
|
||
|
|
// mg_log_set(MG_LL_VERBOSE);
|
||
|
|
mg_connect(&mgr, server, fn, NULL);
|
||
|
|
while (s_quit == false) mg_mgr_poll(&mgr, 1000);
|
||
|
|
return 0;
|
||
|
|
}
|