+/*
+ * Copyright notice from original mutt:
+ * [none]
+ *
+ * Parts were written/modified by:
+ * Christian Gall <cg@cgall.de>
+ * Rocco Rutte <pdmef@cs.tu-berlin.de>
+ *
+ * This file is part of mutt-ng, see http://www.muttng.org/.
+ * It's licensed under the GNU General Public License,
+ * please see the file GPL in the top level source directory.
+ */
+
+#include <lib-lib/lib-lib.h>
+
+#include <lib-ui/enter.h>
+
#include "mutt.h"
-#include <errno.h>
+
+
+#if defined (USE_SSL) || (defined (USE_GNUTLS) && defined (HAVE_GNUTLS_OPENSSL_H))
+#include <openssl/ssl.h>
+#endif
+
#include <auth-client.h>
#include <libesmtp.h>
_mutt_libesmtp_perror(msg); \
FAIL(); \
} while (0)
+#define extna(msg) { mutt_error (_("SMTP Extension '%s' not supported by MTA."), \
+ msg); sleep (1); }
/*
* _mutt_libesmtp_ensure_init
* Make sure the libESMTP support in mutt is initialized at some time.
*/
-static void
-_mutt_libesmtp_ensure_init()
+static void _mutt_libesmtp_ensure_init ()
{
static int libesmtp_init = 0;
if (!libesmtp_init) {
if (SmtpAuthUser)
- auth_client_init();
+ auth_client_init ();
libesmtp_init = 1;
}
}
* Prints 'msg', a colon, and then a string representation of the
* libesmtp errno as a mutt error.
*/
-static void
-_mutt_libesmtp_perror(const char* msg)
+static void _mutt_libesmtp_perror (const char *msg)
{
char buf[512];
- mutt_error("%s: %s", msg, smtp_strerror(smtp_errno(), buf, sizeof(buf)));
+ mutt_error ("%s: %s", msg,
+ smtp_strerror (smtp_errno (), buf, sizeof (buf)));
}
/*
* Very similar to sendlib.c::add_args
*/
static int
-_mutt_libesmtp_add_recipients(smtp_message_t message, ADDRESS *addr)
+_mutt_libesmtp_add_recipients (smtp_message_t message, address_t * addr)
{
int ret = 0;
for (; addr; addr = addr->next) {
/* weed out group mailboxes, since those are for display only */
if (addr->mailbox && !addr->group) {
- if (!smtp_add_recipient(message, addr->mailbox))
- SMTPFAIL("smtp_add_recipient");
+ if (!smtp_add_recipient (message, addr->mailbox))
+ SMTPFAIL ("smtp_add_recipient");
}
}
}
static int
-_mutt_libesmtp_auth_interact(auth_client_request_t request,
- char **result, int fields, void *arg)
+_mutt_libesmtp_auth_interact (auth_client_request_t request,
+ char **result, int fields, void *arg)
{
int i;
for (i = 0; i < fields; i++) {
if (request[i].flags & AUTH_USER) {
result[i] = SmtpAuthUser;
- } else if (request[i].flags & AUTH_PASS) {
+ }
+ else if (request[i].flags & AUTH_PASS) {
if (SmtpAuthPass) {
result[i] = SmtpAuthPass;
- } else {
+ }
+ else {
if (authpass[0] == '\0') {
char prompt[STRING];
- snprintf(prompt, sizeof(prompt), "%s%s: ", request[i].prompt,
- (request[i].flags & AUTH_CLEARTEXT) ? " (not encrypted)" : "");
- mutt_get_password(prompt, authpass, sizeof(authpass));
+ snprintf (prompt, sizeof (prompt), "%s%s: ", request[i].prompt,
+ (request[i].
+ flags & AUTH_CLEARTEXT) ? " (not encrypted)" : "");
+ mutt_get_field_unbuffered (prompt, authpass, sizeof (authpass),
+ M_PASS);
}
result[i] = authpass;
}
#define BUFLEN 8192
-static const char*
-_mutt_libesmtp_messagefp_cb(void **buf, int *len, void *arg)
+static const char *_mutt_libesmtp_messagefp_cb (void **buf, int *len,
+ void *arg)
{
int octets;
if (*buf == NULL)
- *buf = malloc(BUFLEN);
+ *buf = xmalloc(BUFLEN);
if (len == NULL) {
- rewind((FILE*) arg);
+ rewind ((FILE *) arg);
return NULL;
}
- if (fgets(*buf, BUFLEN - 2, (FILE*) arg) == NULL) {
+ if (fgets (*buf, BUFLEN - 2, (FILE *) arg) == NULL) {
octets = 0;
- } else {
- char* p = strchr(*buf, '\0');
+ }
+ else {
+ char *p = strchr (*buf, '\0');
if (p[-1] == '\n' && p[-2] != '\r') {
- strcpy(p - 1, "\r\n");
+ m_strcpy(p - 1, (char *) *buf + BUFLEN - p + 1, "\r\n");
p++;
}
- octets = p - (char*) *buf;
+ octets = p - (char *) *buf;
}
*len = octets;
return *buf;
}
+static int handle_invalid_peer_certificate (long vfy_result) {
+#if defined (USE_SSL) || (defined (USE_GNUTLS) && defined (HAVE_GNUTLS_OPENSSL_H))
+ mutt_error (_("Error verifying certificate: %s"),
+ NONULL (X509_verify_cert_error_string (vfy_result)));
+#else
+ mutt_error (_("Error verifying certificate. Error Code: %lu"), vfy_result);
+#endif
+ sleep(2);
+ return 1; /* Accept the problem */
+}
+
+static void event_cb (smtp_session_t session, int event_no, void *arg,...)
+{
+ va_list alist;
+ int *ok;
+
+ va_start(alist, arg);
+ switch(event_no) {
+ case SMTP_EV_CONNECT:
+ case SMTP_EV_MAILSTATUS:
+ case SMTP_EV_RCPTSTATUS:
+ case SMTP_EV_MESSAGEDATA:
+ case SMTP_EV_MESSAGESENT:
+ case SMTP_EV_DISCONNECT: break;
+ case SMTP_EV_WEAK_CIPHER: {
+ int bits;
+ bits = va_arg(alist, long); ok = va_arg(alist, int*);
+ mutt_message (_("SMTP_EV_WEAK_CIPHER, bits=%d - accepted."), bits);
+ sleep(1);
+ *ok = 1; break;
+ }
+ case SMTP_EV_STARTTLS_OK:
+ mutt_message (_("Using TLS"));
+ sleep(1);
+ break;
+ case SMTP_EV_INVALID_PEER_CERTIFICATE: {
+ long vfy_result;
+ vfy_result = va_arg(alist, long); ok = va_arg(alist, int*);
+ *ok = handle_invalid_peer_certificate(vfy_result);
+ sleep(1);
+ break;
+ }
+ case SMTP_EV_NO_PEER_CERTIFICATE: {
+ ok = va_arg(alist, int*);
+ mutt_message (_("SMTP_EV_NO_PEER_CERTIFICATE - accepted."));
+ sleep(1);
+ *ok = 1; break;
+ }
+ case SMTP_EV_WRONG_PEER_CERTIFICATE: {
+ ok = va_arg(alist, int*);
+ mutt_message (_("SMTP_EV_WRONG_PEER_CERTIFICATE - accepted."));
+ sleep(1);
+ *ok = 1; break;
+ }
+ case SMTP_EV_NO_CLIENT_CERTIFICATE: {
+ ok = va_arg(alist, int*);
+ mutt_message (_("SMTP_EV_NO_CLIENT_CERTIFICATE - accepted."));
+ sleep(1);
+ *ok = 1; break;
+ }
+ case SMTP_EV_EXTNA_DSN:
+ extna ("DSN");
+ break;
+ case SMTP_EV_EXTNA_STARTTLS:
+ extna ("StartTLS");
+ break;
+ case SMTP_EV_EXTNA_8BITMIME:
+ extna ("8BITMIME");
+ break;
+ default:
+ mutt_message(_("Got unhandled event ID = %d - ignored."), event_no);
+ sleep(1);
+ }
+ va_end(alist);
+}
+
+static void do_dsn_notify (smtp_message_t message, const char* from) {
+ int flags = Notify_NOTSET;
+ smtp_recipient_t self = NULL;
+
+ if (m_strisempty(DsnNotify) || !message || m_strisempty(from) ||
+ strstr (DsnNotify, "never") != NULL)
+ return;
+
+ if (strstr (DsnNotify, "failure") != NULL)
+ flags |= Notify_FAILURE;
+ if (strstr (DsnNotify, "delay") != NULL)
+ flags |= Notify_DELAY;
+ if (strstr (DsnNotify, "success") != NULL)
+ flags |= Notify_SUCCESS;
+
+ if (flags != Notify_NOTSET) {
+ if (!(self = smtp_add_recipient (message, from)))
+ return;
+ smtp_dsn_set_notify (self, flags);
+ }
+}
+
+static void do_dsn_ret (smtp_message_t message) {
+ if (m_strisempty(DsnReturn) || !message)
+ return;
+ if (ascii_strncasecmp (DsnReturn, "hdrs", 4) == 0)
+ smtp_dsn_set_ret (message, Ret_HDRS);
+ else if (ascii_strncasecmp (DsnReturn, "full", 4) == 0)
+ smtp_dsn_set_ret (message, Ret_FULL);
+}
+
+#if defined (USE_LIBESMTP) && (defined (USE_SSL) || defined (USE_GNUTLS))
+int mutt_libesmtp_check_usetls (const char* option, unsigned long p,
+ char* errbuf, size_t errlen) {
+ char* val = (char*) p;
+ if (m_strisempty(val))
+ return (1);
+ if (m_strncmp(val, "enabled", 7) != 0 &&
+ m_strncmp(val, "required", 8) != 0) {
+ if (errbuf)
+ snprintf (errbuf, errlen, _("'%s' is invalid for %s"), val, option);
+ return (0);
+ }
+ return (1);
+}
+#endif
+
/*
- * mutt_invoke_libesmtp
+ * mutt_libesmtp_invoke
* Sends a mail message to the provided recipients using libesmtp.
* Returns 0 upon success, -1 upon failure (and prints an error
* message).
*/
-int
-mutt_invoke_libesmtp(ADDRESS *from, /* the sender */
- ADDRESS *to, ADDRESS *cc, ADDRESS *bcc, /* recips */
- const char *msg, /* file containing message */
- int eightbit) /* message contains 8bit chars */
-{
- int ret = 0; /* return value, default = success */
+int mutt_libesmtp_invoke (address_t * from, /* the sender */
+ address_t * to, address_t * cc, address_t * bcc, /* recips */
+ const char *msg, /* file containing message */
+ int eightbit)
+{ /* message contains 8bit chars */
+ int ret = 0; /* return value, default = success */
smtp_session_t session;
smtp_message_t message;
- char* hostportstr = NULL;
+ char *hostportstr = NULL;
size_t hostportlen;
- FILE* fp = NULL;
+ FILE *fp = NULL;
auth_context_t authctx = NULL;
- const smtp_status_t* status;
+ const smtp_status_t *status;
+ char* envfrom = from->mailbox;
- _mutt_libesmtp_ensure_init();
+ _mutt_libesmtp_ensure_init ();
- if ((session = smtp_create_session()) == NULL)
- SMTPFAIL("smtp_create_session");
+ if ((session = smtp_create_session ()) == NULL)
+ SMTPFAIL ("smtp_create_session");
+
+#if defined (USE_SSL) || (defined (USE_GNUTLS) && defined (HAVE_GNUTLS_OPENSSL_H))
+ if (SmtpUseTLS != NULL && ascii_strncasecmp("enabled", SmtpUseTLS, 7) == 0) {
+ smtp_starttls_enable(session, Starttls_ENABLED);
+ } else if (SmtpUseTLS != NULL && ascii_strncasecmp("required", SmtpUseTLS, 8) == 0) {
+ smtp_starttls_enable(session, Starttls_REQUIRED);
+ }
+#endif
/* Create hostname:port string and tell libesmtp */
/* len = SmtpHost len + colon + max port (65536 => 5 chars) + terminator */
- hostportlen = strlen(SmtpHost) + 7;
- hostportstr = safe_malloc(hostportlen);
- snprintf(hostportstr, hostportlen, "%s:%d", SmtpHost, SmtpPort);
- if (!smtp_set_server(session, hostportstr))
- SMTPFAIL("smtp_set_server");
+ hostportlen = m_strlen(SmtpHost) + 7;
+ hostportstr = p_new(char, hostportlen);
+ snprintf (hostportstr, hostportlen, "%s:%d", SmtpHost, SmtpPort);
+ if (!smtp_set_server (session, hostportstr))
+ SMTPFAIL ("smtp_set_server");
if (SmtpAuthUser) {
- if ((authctx = auth_create_context()) == NULL)
- MSGFAIL("auth_create_context failed");
- auth_set_mechanism_flags(authctx, AUTH_PLUGIN_PLAIN, 0);
- auth_set_interact_cb(authctx, _mutt_libesmtp_auth_interact, NULL);
-
- if (!smtp_auth_set_context(session, authctx))
- SMTPFAIL("smtp_auth_set_context");
+ if ((authctx = auth_create_context ()) == NULL)
+ MSGFAIL ("auth_create_context failed");
+ auth_set_mechanism_flags (authctx, AUTH_PLUGIN_PLAIN, 0);
+ auth_set_interact_cb (authctx, _mutt_libesmtp_auth_interact, NULL);
+
+ if (!smtp_auth_set_context (session, authctx))
+ SMTPFAIL ("smtp_auth_set_context");
}
-
- if ((message = smtp_add_message(session)) == NULL)
- SMTPFAIL("smtp_add_message");
+
+#if defined (USE_SSL) || (defined (USE_GNUTLS) && defined (HAVE_GNUTLS_OPENSSL_H))
+ smtp_starttls_set_ctx (session, NULL);
+#endif
+ smtp_set_eventcb (session, event_cb, NULL);
+
+ if ((message = smtp_add_message (session)) == NULL)
+ SMTPFAIL ("smtp_add_message");
+
/* Initialize envelope sender */
- if (!smtp_set_reverse_path(message, from->mailbox))
- SMTPFAIL("smtp_set_reverse_path");
-
- if ((fp = fopen(msg, "r")) == NULL)
- LIBCFAIL("fopen");
- if (!smtp_set_messagecb(message, _mutt_libesmtp_messagefp_cb, fp))
- SMTPFAIL("smtp_set_messagecb");
- if (_mutt_libesmtp_add_recipients(message, to))
- FAIL();
- if (_mutt_libesmtp_add_recipients(message, cc))
- FAIL();
- if (_mutt_libesmtp_add_recipients(message, bcc))
- FAIL();
- if (!smtp_start_session(session))
- SMTPFAIL("smtp_start_session");
-
- status = smtp_message_transfer_status(message);
+ if (option (OPTENVFROM) && EnvFrom)
+ envfrom = EnvFrom->mailbox;
+ if (!smtp_set_reverse_path (message, envfrom))
+ SMTPFAIL ("smtp_set_reverse_path");
+
+ /* set up DSN for message */
+ do_dsn_notify (message, envfrom);
+ do_dsn_ret (message);
+
+ /* set up 8bitmime flag */
+ if (eightbit && option (OPTUSE8BITMIME))
+ smtp_8bitmime_set_body (message, E8bitmime_8BITMIME);
+
+ if ((fp = fopen (msg, "r")) == NULL)
+ LIBCFAIL ("fopen");
+ if (!smtp_set_messagecb (message, _mutt_libesmtp_messagefp_cb, fp))
+ SMTPFAIL ("smtp_set_messagecb");
+ if (_mutt_libesmtp_add_recipients (message, to))
+ FAIL ();
+ if (_mutt_libesmtp_add_recipients (message, cc))
+ FAIL ();
+ if (_mutt_libesmtp_add_recipients (message, bcc))
+ FAIL ();
+ if (!smtp_start_session (session))
+ SMTPFAIL ("smtp_start_session");
+
+ status = smtp_message_transfer_status (message);
if (status->code < 200 || status->code > 299) {
char buf[256];
- snprintf(buf, sizeof(buf), "SMTP error while sending: %d %s", status->code, status->text);
- MSGFAIL(buf);
+
+ snprintf (buf, sizeof (buf), "SMTP error while sending: %d %s",
+ status->code, status->text);
+ MSGFAIL (buf);
}
Done:
- if (fp != NULL)
- fclose(fp);
+ m_fclose(&fp);
if (hostportstr != NULL)
- free(hostportstr);
+ p_delete(&hostportstr);
if (session != NULL)
- smtp_destroy_session(session);
+ smtp_destroy_session (session);
if (authctx != NULL)
- auth_destroy_context(authctx);
+ auth_destroy_context (authctx);
/* Forget user-entered SMTP AUTH password if send fails */
if (ret != 0)
- authpass[0] = '\0';
+ authpass[0] = '\0';
return ret;
}