12 #include <openssl/ssl.h>
13 #include <auth-client.h>
16 #if !defined (__GNUC__) || __GNUC__ < 2
17 # define __attribute__(x)
19 #define unused __attribute__((unused))
23 handle_invalid_peer_certificate(long vfy_result)
25 const char *k ="rare error";
27 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
28 k="X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT"; break;
29 case X509_V_ERR_UNABLE_TO_GET_CRL:
30 k="X509_V_ERR_UNABLE_TO_GET_CRL"; break;
31 case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
32 k="X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE"; break;
33 case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
34 k="X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE"; break;
35 case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
36 k="X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY"; break;
37 case X509_V_ERR_CERT_SIGNATURE_FAILURE:
38 k="X509_V_ERR_CERT_SIGNATURE_FAILURE"; break;
39 case X509_V_ERR_CRL_SIGNATURE_FAILURE:
40 k="X509_V_ERR_CRL_SIGNATURE_FAILURE"; break;
41 case X509_V_ERR_CERT_NOT_YET_VALID:
42 k="X509_V_ERR_CERT_NOT_YET_VALID"; break;
43 case X509_V_ERR_CERT_HAS_EXPIRED:
44 k="X509_V_ERR_CERT_HAS_EXPIRED"; break;
45 case X509_V_ERR_CRL_NOT_YET_VALID:
46 k="X509_V_ERR_CRL_NOT_YET_VALID"; break;
47 case X509_V_ERR_CRL_HAS_EXPIRED:
48 k="X509_V_ERR_CRL_HAS_EXPIRED"; break;
49 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
50 k="X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD"; break;
51 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
52 k="X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD"; break;
53 case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
54 k="X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD"; break;
55 case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
56 k="X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD"; break;
57 case X509_V_ERR_OUT_OF_MEM:
58 k="X509_V_ERR_OUT_OF_MEM"; break;
59 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
60 k="X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT"; break;
61 case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
62 k="X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN"; break;
63 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
64 k="X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY"; break;
65 case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
66 k="X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE"; break;
67 case X509_V_ERR_CERT_CHAIN_TOO_LONG:
68 k="X509_V_ERR_CERT_CHAIN_TOO_LONG"; break;
69 case X509_V_ERR_CERT_REVOKED:
70 k="X509_V_ERR_CERT_REVOKED"; break;
71 case X509_V_ERR_INVALID_CA:
72 k="X509_V_ERR_INVALID_CA"; break;
73 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
74 k="X509_V_ERR_PATH_LENGTH_EXCEEDED"; break;
75 case X509_V_ERR_INVALID_PURPOSE:
76 k="X509_V_ERR_INVALID_PURPOSE"; break;
77 case X509_V_ERR_CERT_UNTRUSTED:
78 k="X509_V_ERR_CERT_UNTRUSTED"; break;
79 case X509_V_ERR_CERT_REJECTED:
80 k="X509_V_ERR_CERT_REJECTED"; break;
82 printf("SMTP_EV_INVALID_PEER_CERTIFICATE: %ld: %s\n", vfy_result, k);
83 return 1; /* Accept the problem */
87 void event_cb (smtp_session_t session, int event_no, void *arg,...)
95 case SMTP_EV_MAILSTATUS:
96 case SMTP_EV_RCPTSTATUS:
97 case SMTP_EV_MESSAGEDATA:
98 case SMTP_EV_MESSAGESENT:
99 case SMTP_EV_DISCONNECT: break;
100 case SMTP_EV_WEAK_CIPHER: {
102 bits = va_arg(alist, long); ok = va_arg(alist, int*);
103 printf("SMTP_EV_WEAK_CIPHER, bits=%d - accepted.\n", bits);
106 case SMTP_EV_STARTTLS_OK:
107 puts("SMTP_EV_STARTTLS_OK - TLS started here."); break;
108 case SMTP_EV_INVALID_PEER_CERTIFICATE: {
110 vfy_result = va_arg(alist, long); ok = va_arg(alist, int*);
111 *ok = handle_invalid_peer_certificate(vfy_result);
114 case SMTP_EV_NO_PEER_CERTIFICATE: {
115 ok = va_arg(alist, int*);
116 puts("SMTP_EV_NO_PEER_CERTIFICATE - accepted.");
119 case SMTP_EV_WRONG_PEER_CERTIFICATE: {
120 ok = va_arg(alist, int*);
121 puts("SMTP_EV_WRONG_PEER_CERTIFICATE - accepted.");
124 case SMTP_EV_NO_CLIENT_CERTIFICATE: {
125 ok = va_arg(alist, int*);
126 puts("SMTP_EV_NO_CLIENT_CERTIFICATE - accepted.");
130 printf("Got event: %d - ignored.\n", event_no);
136 /* Callback to prnt the recipient status */
138 print_recipient_status (smtp_recipient_t recipient,
139 const char *mailbox, void *arg unused)
141 const smtp_status_t *status;
143 status = smtp_recipient_status (recipient);
144 printf ("%s: %d %s", mailbox, status->code, status->text);
150 smtp_session_t session;
151 smtp_message_t message;
152 smtp_recipient_t recipient;
153 // auth_context_t authctx;
154 const smtp_status_t *status;
156 char *host = "localhost:25";
157 char *from = "gnunet-monkey";
158 char *subject = "e-mail from Libesmtp!";
159 const char *recipient_address = "halims@in.tum.de";
160 char tempFileName[1000];
163 enum notify_flags notify = Notify_SUCCESS | Notify_FAILURE;
166 session = smtp_create_session();
167 message = smtp_add_message(session);
170 sa.sa_handler = SIG_IGN;
171 sigemptyset(&sa.sa_mask);
173 sigaction(SIGPIPE, &sa, NULL);
176 smtp_set_server(session, host);
177 smtp_set_eventcb(session, event_cb, NULL);
179 /* Set the reverse path for the mail envelope. (NULL is ok)
181 smtp_set_reverse_path(message, from);
183 /* Set the Subject: header. For no reason, we want the supplied subject
184 to override any subject line in the message headers. */
185 if (subject != NULL) {
186 smtp_set_header(message, "Subject", subject);
187 smtp_set_header_option(message, "Subject", Hdr_OVERRIDE, 1);
191 /* Prepare message */
192 memset(tempFileName, 0, sizeof(tempFileName));
193 sprintf(tempFileName, "/tmp/messageXXXXXX");
194 tempFd = mkstemp(tempFileName);
195 fp = fdopen(tempFd, "w");
196 fprintf(fp, "Hello! This is a test message!\r\n");
198 fp = fopen(tempFileName, "r");
199 smtp_set_message_fp(message, fp);
202 recipient = smtp_add_recipient(message, recipient_address);
204 smtp_dsn_set_notify (recipient, notify);
206 /* Initiate a connection to the SMTP server and transfer the
208 if (!smtp_start_session(session)) {
211 fprintf(stderr, "SMTP server problem %s\n", smtp_strerror(smtp_errno(),
214 /* Report on the success or otherwise of the mail transfer.
216 status = smtp_message_transfer_status(message);
217 printf("%d %s", status->code, (status->text != NULL) ? status->text
219 smtp_enumerate_recipients(message, print_recipient_status, NULL);
222 /* Free resources consumed by the program.
224 smtp_destroy_session(session);
225 // auth_destroy_context(authctx);