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-rw-r--r--src/monkey/mail_sender.c235
1 files changed, 235 insertions, 0 deletions
diff --git a/src/monkey/mail_sender.c b/src/monkey/mail_sender.c
new file mode 100644
index 000000000..ff5d13e47
--- /dev/null
+++ b/src/monkey/mail_sender.c
@@ -0,0 +1,235 @@
1#include <stdio.h>
2#include <stdlib.h>
3#include <ctype.h>
4#include <unistd.h>
5#include <getopt.h>
6#include <string.h>
7#include <fcntl.h>
8#include <signal.h>
9#include <errno.h>
10#include <stdarg.h>
11
12#include <openssl/ssl.h>
13#include <auth-client.h>
14#include <libesmtp.h>
15
16#if !defined (__GNUC__) || __GNUC__ < 2
17# define __attribute__(x)
18#endif
19#define unused __attribute__((unused))
20
21
22int
23handle_invalid_peer_certificate(long vfy_result)
24{
25 const char *k ="rare error";
26 switch(vfy_result) {
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;
81 }
82 printf("SMTP_EV_INVALID_PEER_CERTIFICATE: %ld: %s\n", vfy_result, k);
83 return 1; /* Accept the problem */
84}
85
86
87void event_cb (smtp_session_t session, int event_no, void *arg,...)
88{
89 va_list alist;
90 int *ok;
91
92 va_start(alist, arg);
93 switch(event_no) {
94 case SMTP_EV_CONNECT:
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: {
101 int bits;
102 bits = va_arg(alist, long); ok = va_arg(alist, int*);
103 printf("SMTP_EV_WEAK_CIPHER, bits=%d - accepted.\n", bits);
104 *ok = 1; break;
105 }
106 case SMTP_EV_STARTTLS_OK:
107 puts("SMTP_EV_STARTTLS_OK - TLS started here."); break;
108 case SMTP_EV_INVALID_PEER_CERTIFICATE: {
109 long vfy_result;
110 vfy_result = va_arg(alist, long); ok = va_arg(alist, int*);
111 *ok = handle_invalid_peer_certificate(vfy_result);
112 break;
113 }
114 case SMTP_EV_NO_PEER_CERTIFICATE: {
115 ok = va_arg(alist, int*);
116 puts("SMTP_EV_NO_PEER_CERTIFICATE - accepted.");
117 *ok = 1; break;
118 }
119 case SMTP_EV_WRONG_PEER_CERTIFICATE: {
120 ok = va_arg(alist, int*);
121 puts("SMTP_EV_WRONG_PEER_CERTIFICATE - accepted.");
122 *ok = 1; break;
123 }
124 case SMTP_EV_NO_CLIENT_CERTIFICATE: {
125 ok = va_arg(alist, int*);
126 puts("SMTP_EV_NO_CLIENT_CERTIFICATE - accepted.");
127 *ok = 1; break;
128 }
129 default:
130 printf("Got event: %d - ignored.\n", event_no);
131 }
132 va_end(alist);
133}
134
135
136/* Callback to prnt the recipient status */
137void
138print_recipient_status (smtp_recipient_t recipient,
139 const char *mailbox, void *arg unused)
140{
141 const smtp_status_t *status;
142
143 status = smtp_recipient_status (recipient);
144 printf ("%s: %d %s", mailbox, status->code, status->text);
145}
146
147
148void sendMail()
149{
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;
155 struct sigaction sa;
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];
161 int tempFd;
162 FILE *fp;
163 enum notify_flags notify = Notify_SUCCESS | Notify_FAILURE;
164
165 auth_client_init();
166 session = smtp_create_session();
167 message = smtp_add_message(session);
168
169 /* Ignore sigpipe */
170 sa.sa_handler = SIG_IGN;
171 sigemptyset(&sa.sa_mask);
172 sa.sa_flags = 0;
173 sigaction(SIGPIPE, &sa, NULL);
174
175
176 smtp_set_server(session, host);
177 smtp_set_eventcb(session, event_cb, NULL);
178
179 /* Set the reverse path for the mail envelope. (NULL is ok)
180 */
181 smtp_set_reverse_path(message, from);
182
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);
188 }
189
190
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");
197 fclose(fp);
198 fp = fopen(tempFileName, "r");
199 smtp_set_message_fp(message, fp);
200
201
202 recipient = smtp_add_recipient(message, recipient_address);
203
204 smtp_dsn_set_notify (recipient, notify);
205
206 /* Initiate a connection to the SMTP server and transfer the
207 message. */
208 if (!smtp_start_session(session)) {
209 char buf[128];
210
211 fprintf(stderr, "SMTP server problem %s\n", smtp_strerror(smtp_errno(),
212 buf, sizeof buf));
213 } else {
214 /* Report on the success or otherwise of the mail transfer.
215 */
216 status = smtp_message_transfer_status(message);
217 printf("%d %s", status->code, (status->text != NULL) ? status->text
218 : "\n");
219 smtp_enumerate_recipients(message, print_recipient_status, NULL);
220 }
221
222 /* Free resources consumed by the program.
223 */
224 smtp_destroy_session(session);
225 auth_destroy_context(authctx);
226 fclose(fp);
227 auth_client_exit();
228 exit(0);
229}
230
231int main()
232{
233 sendMail();
234 return 0;
235}
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