--- /dev/null
+/*
+ * Copyright notice from original mutt:
+ * Copyright (C) 2001 Marco d'Itri <md@linux.it>
+ * Copyright (C) 2001-2004 Andrew McDonald <andrew@mcdonald.org.uk>
+ *
+ * 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 <gnutls/gnutls.h>
+#include <gnutls/x509.h>
+#ifdef HAVE_GNUTLS_OPENSSL_H
+#include <gnutls/openssl.h>
+#endif
+
+#include <lib-ui/curses.h>
+#include <lib-ui/menu.h>
+
+#include "mutt.h"
+#include "mutt_socket.h"
+
+typedef struct _tlssockdata {
+ gnutls_session state;
+ gnutls_certificate_credentials xcred;
+} tlssockdata;
+
+/* local prototypes */
+static int tls_socket_read (CONNECTION * conn, char *buf, ssize_t len);
+static int tls_socket_write (CONNECTION * conn, const char *buf, ssize_t len);
+static int tls_socket_open (CONNECTION * conn);
+static int tls_socket_close (CONNECTION * conn);
+static int tls_starttls_close (CONNECTION * conn);
+
+static int tls_init (void);
+static int tls_negotiate (CONNECTION * conn);
+static int tls_check_certificate (CONNECTION * conn);
+
+
+static int tls_init (void)
+{
+ static unsigned char init_complete = 0;
+ int err;
+
+ if (init_complete)
+ return 0;
+
+ err = gnutls_global_init ();
+ if (err < 0) {
+ mutt_error (_("gnutls_global_init: %s"), gnutls_strerror (err));
+ mutt_sleep (2);
+ return -1;
+ }
+
+ init_complete = 1;
+ return 0;
+}
+
+int mutt_ssl_socket_setup (CONNECTION * conn)
+{
+ if (tls_init () < 0)
+ return -1;
+
+ conn->conn_open = tls_socket_open;
+ conn->conn_read = tls_socket_read;
+ conn->conn_write = tls_socket_write;
+ conn->conn_close = tls_socket_close;
+
+ return 0;
+}
+
+static int tls_socket_read (CONNECTION * conn, char *buf, ssize_t len)
+{
+ tlssockdata *data = conn->sockdata;
+ int ret;
+
+ if (!data) {
+ mutt_error (_("Error: no TLS socket open"));
+ mutt_sleep (2);
+ return -1;
+ }
+
+ ret = gnutls_record_recv (data->state, buf, len);
+ if (gnutls_error_is_fatal (ret) == 1) {
+ mutt_error (_("tls_socket_read (%s)"), gnutls_strerror (ret));
+ mutt_sleep (4);
+ return -1;
+ }
+ return ret;
+}
+
+static int tls_socket_write (CONNECTION * conn, const char *buf, ssize_t len)
+{
+ tlssockdata *data = conn->sockdata;
+ int ret;
+
+ if (!data) {
+ mutt_error (_("Error: no TLS socket open"));
+ mutt_sleep (2);
+ return -1;
+ }
+
+ ret = gnutls_record_send (data->state, buf, len);
+ if (gnutls_error_is_fatal (ret) == 1) {
+ mutt_error (_("tls_socket_write (%s)"), gnutls_strerror (ret));
+ mutt_sleep (4);
+ return -1;
+ }
+ return ret;
+}
+
+static int tls_socket_open (CONNECTION * conn)
+{
+ if (raw_socket_open (conn) < 0)
+ return -1;
+
+ if (tls_negotiate (conn) < 0) {
+ tls_socket_close (conn);
+ return -1;
+ }
+
+ return 0;
+}
+
+int mutt_ssl_starttls (CONNECTION * conn)
+{
+ if (tls_init () < 0)
+ return -1;
+
+ if (tls_negotiate (conn) < 0)
+ return -1;
+
+ conn->conn_read = tls_socket_read;
+ conn->conn_write = tls_socket_write;
+ conn->conn_close = tls_starttls_close;
+
+ return 0;
+}
+
+static int protocol_priority[] = { GNUTLS_TLS1, GNUTLS_SSL3, 0 };
+
+/* tls_negotiate: After TLS state has been initialised, attempt to negotiate
+ * TLS over the wire, including certificate checks. */
+static int tls_negotiate (CONNECTION * conn)
+{
+ tlssockdata *data;
+ int err;
+
+ data = p_new(tlssockdata, 1);
+ conn->sockdata = data;
+ err = gnutls_certificate_allocate_credentials (&data->xcred);
+ if (err < 0) {
+ p_delete(&conn->sockdata);
+ mutt_error (_("gnutls_certificate_allocate_credentials: %s"),
+ gnutls_strerror (err));
+ mutt_sleep (2);
+ return -1;
+ }
+
+ gnutls_certificate_set_x509_trust_file (data->xcred, SslCertFile,
+ GNUTLS_X509_FMT_PEM);
+ /* ignore errors, maybe file doesn't exist yet */
+
+ if (SslCACertFile) {
+ gnutls_certificate_set_x509_trust_file (data->xcred, SslCACertFile,
+ GNUTLS_X509_FMT_PEM);
+ }
+
+/*
+ gnutls_set_x509_client_key (data->xcred, "", "");
+ gnutls_set_x509_cert_callback (data->xcred, cert_callback);
+*/
+
+ gnutls_init (&data->state, GNUTLS_CLIENT);
+
+ /* set socket */
+ gnutls_transport_set_ptr (data->state, (gnutls_transport_ptr)(intptr_t)conn->fd);
+
+ /* disable TLS/SSL protocols as needed */
+ if (!option (OPTTLSV1) && !option (OPTSSLV3)) {
+ mutt_error (_("All available protocols for TLS/SSL connection disabled"));
+ goto fail;
+ }
+ else if (!option (OPTTLSV1)) {
+ protocol_priority[0] = GNUTLS_SSL3;
+ protocol_priority[1] = 0;
+ }
+ else if (!option (OPTSSLV3)) {
+ protocol_priority[0] = GNUTLS_TLS1;
+ protocol_priority[1] = 0;
+ }
+ /*
+ else
+ use the list set above
+ */
+
+ /* We use default priorities (see gnutls documentation),
+ except for protocol version */
+ gnutls_set_default_priority (data->state);
+ gnutls_protocol_set_priority (data->state, protocol_priority);
+
+ if (SslDHPrimeBits > 0) {
+ gnutls_dh_set_prime_bits (data->state, SslDHPrimeBits);
+ }
+
+/*
+ gnutls_set_cred (data->state, GNUTLS_ANON, NULL);
+*/
+
+ gnutls_credentials_set (data->state, GNUTLS_CRD_CERTIFICATE, data->xcred);
+
+ err = gnutls_handshake (data->state);
+
+ while (err == GNUTLS_E_AGAIN || err == GNUTLS_E_INTERRUPTED) {
+ err = gnutls_handshake (data->state);
+ }
+ if (err < 0) {
+ if (err == GNUTLS_E_FATAL_ALERT_RECEIVED) {
+ mutt_error (_("gnutls_handshake: %s(%s)"), gnutls_strerror (err),
+ gnutls_alert_get_name (gnutls_alert_get (data->state)));
+ }
+ else {
+ mutt_error (_("gnutls_handshake: %s"), gnutls_strerror (err));
+ }
+ mutt_sleep (2);
+ goto fail;
+ }
+
+ if (!tls_check_certificate (conn))
+ goto fail;
+
+ /* set Security Strength Factor (SSF) for SASL */
+ /* NB: gnutls_cipher_get_key_size() returns key length in bytes */
+ conn->ssf =
+ gnutls_cipher_get_key_size (gnutls_cipher_get (data->state)) * 8;
+
+ mutt_message (_("SSL/TLS connection using %s (%s/%s/%s)"),
+ gnutls_protocol_get_name (gnutls_protocol_get_version
+ (data->state)),
+ gnutls_kx_get_name (gnutls_kx_get (data->state)),
+ gnutls_cipher_get_name (gnutls_cipher_get (data->state)),
+ gnutls_mac_get_name (gnutls_mac_get (data->state)));
+ mutt_sleep (0);
+
+ return 0;
+
+fail:
+ gnutls_certificate_free_credentials (data->xcred);
+ gnutls_deinit (data->state);
+ p_delete(&conn->sockdata);
+ return -1;
+}
+
+static int tls_socket_close (CONNECTION * conn)
+{
+ tlssockdata *data = conn->sockdata;
+
+ if (data) {
+ gnutls_bye (data->state, GNUTLS_SHUT_RDWR);
+
+ gnutls_certificate_free_credentials (data->xcred);
+ gnutls_deinit (data->state);
+ p_delete(&conn->sockdata);
+ }
+
+ return raw_socket_close (conn);
+}
+
+static int tls_starttls_close (CONNECTION * conn)
+{
+ int rc;
+
+ rc = tls_socket_close (conn);
+ conn->conn_read = raw_socket_read;
+ conn->conn_write = raw_socket_write;
+ conn->conn_close = raw_socket_close;
+
+ return rc;
+}
+
+#define CERT_SEP "-----BEGIN"
+
+/* this bit is based on read_ca_file() in gnutls */
+static int tls_compare_certificates (const gnutls_datum * peercert)
+{
+ gnutls_datum cert;
+ unsigned char *ptr;
+ FILE *fd1;
+ int ret;
+ gnutls_datum b64_data;
+ unsigned char *b64_data_data;
+ struct stat filestat;
+
+ if (stat (SslCertFile, &filestat) == -1)
+ return 0;
+
+ b64_data.size = filestat.st_size + 1;
+ b64_data_data = p_new(unsigned char, b64_data.size);
+ b64_data_data[b64_data.size - 1] = '\0';
+ b64_data.data = b64_data_data;
+
+ fd1 = fopen (SslCertFile, "r");
+ if (fd1 == NULL) {
+ return 0;
+ }
+
+ b64_data.size = fread (b64_data.data, 1, b64_data.size, fd1);
+ m_fclose(&fd1);
+
+ do {
+ ret = gnutls_pem_base64_decode_alloc (NULL, &b64_data, &cert);
+ if (ret != 0) {
+ p_delete(&b64_data_data);
+ return 0;
+ }
+
+ ptr = (unsigned char *) strstr ((char*) b64_data.data, CERT_SEP) + 1;
+ ptr = (unsigned char *) strstr ((char*) ptr, CERT_SEP);
+
+ b64_data.size = b64_data.size - (ptr - b64_data.data);
+ b64_data.data = ptr;
+
+ if (cert.size == peercert->size) {
+ if (memcmp (cert.data, peercert->data, cert.size) == 0) {
+ /* match found */
+ gnutls_free (cert.data);
+ p_delete(&b64_data_data);
+ return 1;
+ }
+ }
+
+ gnutls_free (cert.data);
+ } while (ptr != NULL);
+
+ /* no match found */
+ p_delete(&b64_data_data);
+ return 0;
+}
+
+static void tls_fingerprint (gnutls_digest_algorithm algo,
+ char *s, int l, const gnutls_datum * data)
+{
+ char md[36];
+ ssize_t n;
+ int j;
+
+ n = 36;
+
+ if (gnutls_fingerprint(algo, data, md, (size_t *)&n) < 0) {
+ snprintf (s, l, _("[unable to calculate]"));
+ }
+ else {
+ for (j = 0; j < (int) n; j++) {
+ char ch[8];
+
+ snprintf (ch, 8, "%02X%s", md[j], (j % 2 ? " " : ""));
+ strncat (s, ch, l);
+ }
+ s[2 * n + n / 2 - 1] = '\0'; /* don't want trailing space */
+ }
+}
+
+static char *tls_make_date (time_t t, char *s, ssize_t len)
+{
+ struct tm *l = gmtime (&t);
+
+ if (l)
+ snprintf (s, len, "%s, %d %s %d %02d:%02d:%02d UTC",
+ Weekdays[l->tm_wday], l->tm_mday, Months[l->tm_mon],
+ l->tm_year + 1900, l->tm_hour, l->tm_min, l->tm_sec);
+ else
+ m_strcpy(s, len, _("[invalid date]"));
+
+ return (s);
+}
+
+static int tls_check_stored_hostname (const gnutls_datum * cert,
+ const char *hostname)
+{
+ char buf[80];
+ FILE *fp;
+ char *linestr = NULL;
+ ssize_t linestrsize;
+ int linenum = 0;
+ regex_t preg;
+ regmatch_t pmatch[3];
+
+ /* try checking against names stored in stored certs file */
+ if ((fp = fopen (SslCertFile, "r"))) {
+ if (regcomp
+ (&preg,
+ "^#H ([a-zA-Z0-9_\\.-]+) ([0-9A-F]{4}( [0-9A-F]{4}){7})[ \t]*$",
+ REG_ICASE | REG_EXTENDED) != 0) {
+ regfree (&preg);
+ return 0;
+ }
+
+ buf[0] = '\0';
+ tls_fingerprint (GNUTLS_DIG_MD5, buf, sizeof (buf), cert);
+ while ((linestr =
+ mutt_read_line (linestr, &linestrsize, fp, &linenum)) != NULL) {
+ if (linestr[0] == '#' && linestr[1] == 'H') {
+ if (regexec (&preg, linestr, 3, pmatch, 0) == 0) {
+ linestr[pmatch[1].rm_eo] = '\0';
+ linestr[pmatch[2].rm_eo] = '\0';
+ if (m_strcmp(linestr + pmatch[1].rm_so, hostname) == 0 &&
+ m_strcmp(linestr + pmatch[2].rm_so, buf) == 0) {
+ regfree (&preg);
+ p_delete(&linestr);
+ m_fclose(&fp);
+ return 1;
+ }
+ }
+ }
+ }
+
+ regfree (&preg);
+ m_fclose(&fp);
+ }
+
+ /* not found a matching name */
+ return 0;
+}
+
+static int tls_check_certificate (CONNECTION * conn)
+{
+ tlssockdata *data = conn->sockdata;
+ gnutls_session state = data->state;
+ char helpstr[STRING];
+ char buf[STRING];
+ char fpbuf[STRING];
+ ssize_t buflen;
+ char dn_common_name[STRING];
+ char dn_email[STRING];
+ char dn_organization[STRING];
+ char dn_organizational_unit[STRING];
+ char dn_locality[STRING];
+ char dn_province[STRING];
+ char dn_country[STRING];
+ MUTTMENU *menu;
+ int done, row, i, ret;
+ FILE *fp;
+ time_t t;
+ const gnutls_datum *cert_list;
+ unsigned int cert_list_size = 0;
+ gnutls_certificate_status_t certstat;
+ char datestr[30];
+ gnutls_x509_crt cert;
+ gnutls_datum pemdata;
+ int certerr_expired = 0;
+ int certerr_notyetvalid = 0;
+ int certerr_hostname = 0;
+ int certerr_nottrusted = 0;
+ int certerr_revoked = 0;
+ int certerr_signernotca = 0;
+
+ if (gnutls_auth_get_type (state) != GNUTLS_CRD_CERTIFICATE) {
+ mutt_error (_("Unable to get certificate from peer"));
+ mutt_sleep (2);
+ return 0;
+ }
+
+ if (gnutls_certificate_verify_peers2(state, &certstat) < 0) {
+ mutt_error (_("Certificate verification error (%s)"),
+ gnutls_strerror(certstat));
+ mutt_sleep (2);
+ return 0;
+ }
+
+ /* We only support X.509 certificates (not OpenPGP) at the moment */
+ if (gnutls_certificate_type_get (state) != GNUTLS_CRT_X509) {
+ mutt_error (_("Certificate is not X.509"));
+ mutt_sleep (2);
+ return 0;
+ }
+
+ if (gnutls_x509_crt_init (&cert) < 0) {
+ mutt_error (_("Error initialising gnutls certificate data"));
+ mutt_sleep (2);
+ return 0;
+ }
+
+ cert_list = gnutls_certificate_get_peers (state, &cert_list_size);
+ if (!cert_list) {
+ mutt_error (_("Unable to get certificate from peer"));
+ mutt_sleep (2);
+ return 0;
+ }
+
+ /* FIXME: Currently only check first certificate in chain. */
+ if (gnutls_x509_crt_import (cert, &cert_list[0], GNUTLS_X509_FMT_DER) < 0) {
+ mutt_error (_("Error processing certificate data"));
+ mutt_sleep (2);
+ return 0;
+ }
+
+ if (gnutls_x509_crt_get_expiration_time (cert) < time (NULL)) {
+ certerr_expired = 1;
+ }
+
+ if (gnutls_x509_crt_get_activation_time (cert) > time (NULL)) {
+ certerr_notyetvalid = 1;
+ }
+
+ if (!gnutls_x509_crt_check_hostname (cert, conn->account.host) &&
+ !tls_check_stored_hostname (&cert_list[0], conn->account.host)) {
+ certerr_hostname = 1;
+ }
+
+ /* see whether certificate is in our cache (certificates file) */
+ if (tls_compare_certificates (&cert_list[0])) {
+ if (certstat & GNUTLS_CERT_INVALID) {
+ /* doesn't matter - have decided is valid because server
+ certificate is in our trusted cache */
+ certstat ^= GNUTLS_CERT_INVALID;
+ }
+
+ if (certstat & GNUTLS_CERT_SIGNER_NOT_FOUND) {
+ /* doesn't matter that we haven't found the signer, since
+ certificate is in our trusted cache */
+ certstat ^= GNUTLS_CERT_SIGNER_NOT_FOUND;
+ }
+
+ if (certstat & GNUTLS_CERT_SIGNER_NOT_CA) {
+ /* Hmm. Not really sure how to handle this, but let's say
+ that we don't care if the CA certificate hasn't got the
+ correct X.509 basic constraints if server certificate is
+ in our cache. */
+ certstat ^= GNUTLS_CERT_SIGNER_NOT_CA;
+ }
+
+ }
+
+ if (certstat & GNUTLS_CERT_REVOKED) {
+ certerr_revoked = 1;
+ certstat ^= GNUTLS_CERT_REVOKED;
+ }
+
+ if (certstat & GNUTLS_CERT_INVALID) {
+ certerr_nottrusted = 1;
+ certstat ^= GNUTLS_CERT_INVALID;
+ }
+
+ if (certstat & GNUTLS_CERT_SIGNER_NOT_FOUND) {
+ /* NB: already cleared if cert in cache */
+ certerr_nottrusted = 1;
+ certstat ^= GNUTLS_CERT_SIGNER_NOT_FOUND;
+ }
+
+ if (certstat & GNUTLS_CERT_SIGNER_NOT_CA) {
+ /* NB: already cleared if cert in cache */
+ certerr_signernotca = 1;
+ certstat ^= GNUTLS_CERT_SIGNER_NOT_CA;
+ }
+
+ /* OK if signed by (or is) a trusted certificate */
+ /* we've been zeroing the interesting bits in certstat -
+ don't return OK if there are any unhandled bits we don't
+ understand */
+ if (!(certerr_expired || certerr_notyetvalid ||
+ certerr_hostname || certerr_nottrusted) && certstat == 0) {
+ gnutls_x509_crt_deinit (cert);
+ return 1;
+ }
+
+
+ /* interactive check from user */
+ menu = mutt_new_menu ();
+ menu->max = 25;
+ menu->dialog = p_new(char*, menu->max);
+ for (i = 0; i < menu->max; i++)
+ menu->dialog[i] = p_new(char, STRING);
+
+ row = 0;
+ m_strcpy(menu->dialog[row], STRING,
+ _("This certificate belongs to:"));
+ row++;
+
+ buflen = sizeof (dn_common_name);
+ if (gnutls_x509_crt_get_dn_by_oid (cert, GNUTLS_OID_X520_COMMON_NAME, 0, 0,
+ dn_common_name, (size_t *)&buflen) != 0)
+ dn_common_name[0] = '\0';
+ buflen = sizeof (dn_email);
+ if (gnutls_x509_crt_get_dn_by_oid (cert, GNUTLS_OID_PKCS9_EMAIL, 0, 0,
+ dn_email, (size_t *)&buflen) != 0)
+ dn_email[0] = '\0';
+ buflen = sizeof (dn_organization);
+ if (gnutls_x509_crt_get_dn_by_oid
+ (cert, GNUTLS_OID_X520_ORGANIZATION_NAME, 0, 0, dn_organization,
+ (size_t *)&buflen) != 0)
+ dn_organization[0] = '\0';
+ buflen = sizeof (dn_organizational_unit);
+ if (gnutls_x509_crt_get_dn_by_oid
+ (cert, GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME, 0, 0,
+ dn_organizational_unit, (size_t *)&buflen) != 0)
+ dn_organizational_unit[0] = '\0';
+ buflen = sizeof (dn_locality);
+ if (gnutls_x509_crt_get_dn_by_oid
+ (cert, GNUTLS_OID_X520_LOCALITY_NAME, 0, 0, dn_locality, (size_t *)&buflen) != 0)
+ dn_locality[0] = '\0';
+ buflen = sizeof (dn_province);
+ if (gnutls_x509_crt_get_dn_by_oid
+ (cert, GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME, 0, 0, dn_province,
+ (size_t *)&buflen) != 0)
+ dn_province[0] = '\0';
+ buflen = sizeof (dn_country);
+ if (gnutls_x509_crt_get_dn_by_oid (cert, GNUTLS_OID_X520_COUNTRY_NAME, 0, 0,
+ dn_country, (size_t *)&buflen) != 0)
+ dn_country[0] = '\0';
+
+ snprintf (menu->dialog[row++], STRING, " %s %s", dn_common_name,
+ dn_email);
+ snprintf (menu->dialog[row++], STRING, " %s", dn_organization);
+ snprintf (menu->dialog[row++], STRING, " %s",
+ dn_organizational_unit);
+ snprintf (menu->dialog[row++], STRING, " %s %s %s", dn_locality,
+ dn_province, dn_country);
+ row++;
+
+ m_strcpy(menu->dialog[row], STRING,
+ _("This certificate was issued by:"));
+ row++;
+
+ buflen = sizeof (dn_common_name);
+ if (gnutls_x509_crt_get_issuer_dn_by_oid
+ (cert, GNUTLS_OID_X520_COMMON_NAME, 0, 0, dn_common_name, (size_t *)&buflen) != 0)
+ dn_common_name[0] = '\0';
+ buflen = sizeof (dn_email);
+ if (gnutls_x509_crt_get_issuer_dn_by_oid
+ (cert, GNUTLS_OID_PKCS9_EMAIL, 0, 0, dn_email, (size_t *)&buflen) != 0)
+ dn_email[0] = '\0';
+ buflen = sizeof (dn_organization);
+ if (gnutls_x509_crt_get_issuer_dn_by_oid
+ (cert, GNUTLS_OID_X520_ORGANIZATION_NAME, 0, 0, dn_organization,
+ (size_t *)&buflen) != 0)
+ dn_organization[0] = '\0';
+ buflen = sizeof (dn_organizational_unit);
+ if (gnutls_x509_crt_get_issuer_dn_by_oid
+ (cert, GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME, 0, 0,
+ dn_organizational_unit, (size_t *)&buflen) != 0)
+ dn_organizational_unit[0] = '\0';
+ buflen = sizeof (dn_locality);
+ if (gnutls_x509_crt_get_issuer_dn_by_oid
+ (cert, GNUTLS_OID_X520_LOCALITY_NAME, 0, 0, dn_locality, (size_t *)&buflen) != 0)
+ dn_locality[0] = '\0';
+ buflen = sizeof (dn_province);
+ if (gnutls_x509_crt_get_issuer_dn_by_oid
+ (cert, GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME, 0, 0, dn_province,
+ (size_t *)&buflen) != 0)
+ dn_province[0] = '\0';
+ buflen = sizeof (dn_country);
+ if (gnutls_x509_crt_get_issuer_dn_by_oid
+ (cert, GNUTLS_OID_X520_COUNTRY_NAME, 0, 0, dn_country, (size_t *)&buflen) != 0)
+ dn_country[0] = '\0';
+
+ snprintf (menu->dialog[row++], STRING, " %s %s", dn_common_name,
+ dn_email);
+ snprintf (menu->dialog[row++], STRING, " %s", dn_organization);
+ snprintf (menu->dialog[row++], STRING, " %s",
+ dn_organizational_unit);
+ snprintf (menu->dialog[row++], STRING, " %s %s %s", dn_locality,
+ dn_province, dn_country);
+ row++;
+
+ snprintf (menu->dialog[row++], STRING,
+ _("This certificate is valid"));
+
+ t = gnutls_x509_crt_get_activation_time (cert);
+ snprintf (menu->dialog[row++], STRING, _(" from %s"),
+ tls_make_date (t, datestr, 30));
+
+ t = gnutls_x509_crt_get_expiration_time (cert);
+ snprintf (menu->dialog[row++], STRING, _(" to %s"),
+ tls_make_date (t, datestr, 30));
+
+ fpbuf[0] = '\0';
+ tls_fingerprint (GNUTLS_DIG_SHA, fpbuf, sizeof (fpbuf), &cert_list[0]);
+ snprintf (menu->dialog[row++], STRING, _("SHA1 Fingerprint: %s"),
+ fpbuf);
+ fpbuf[0] = '\0';
+ tls_fingerprint (GNUTLS_DIG_MD5, fpbuf, sizeof (fpbuf), &cert_list[0]);
+ snprintf (menu->dialog[row++], STRING, _("MD5 Fingerprint: %s"),
+ fpbuf);
+
+ if (certerr_notyetvalid) {
+ row++;
+ m_strcpy(menu->dialog[row], STRING,
+ _("WARNING: Server certificate is not yet valid"));
+ }
+ if (certerr_expired) {
+ row++;
+ m_strcpy(menu->dialog[row], STRING,
+ _("WARNING: Server certificate has expired"));
+ }
+ if (certerr_revoked) {
+ row++;
+ m_strcpy(menu->dialog[row], STRING,
+ _("WARNING: Server certificate has been revoked"));
+ }
+ if (certerr_hostname) {
+ row++;
+ m_strcpy(menu->dialog[row], STRING,
+ _("WARNING: Server hostname does not match certificate"));
+ }
+ if (certerr_signernotca) {
+ row++;
+ m_strcpy(menu->dialog[row], STRING,
+ _("WARNING: Signer of server certificate is not a CA"));
+ }
+
+ menu->title = _("TLS/SSL Certificate check");
+ /* certificates with bad dates, or that are revoked, must be
+ accepted manually each and every time */
+ if (SslCertFile && !certerr_expired && !certerr_notyetvalid
+ && !certerr_revoked) {
+ menu->prompt = _("(r)eject, accept (o)nce, (a)ccept always");
+ menu->keys = _("roa");
+ }
+ else {
+ menu->prompt = _("(r)eject, accept (o)nce");
+ menu->keys = _("ro");
+ }
+
+ helpstr[0] = '\0';
+ mutt_make_help (buf, sizeof (buf), _("Exit "), MENU_GENERIC, OP_EXIT);
+ strncat (helpstr, buf, sizeof (helpstr));
+ mutt_make_help (buf, sizeof (buf), _("Help"), MENU_GENERIC, OP_HELP);
+ strncat (helpstr, buf, sizeof (helpstr));
+ menu->help = helpstr;
+
+ done = 0;
+ set_option (OPTUNBUFFEREDINPUT);
+ while (!done) {
+ switch (mutt_menuLoop (menu)) {
+ case -1: /* abort */
+ case OP_MAX + 1: /* reject */
+ case OP_EXIT:
+ done = 1;
+ break;
+ case OP_MAX + 3: /* accept always */
+ done = 0;
+ if ((fp = fopen (SslCertFile, "a"))) {
+ /* save hostname if necessary */
+ if (certerr_hostname) {
+ fprintf (fp, "#H %s %s\n", conn->account.host, fpbuf);
+ done = 1;
+ }
+ if (certerr_nottrusted) {
+ done = 0;
+ ret = gnutls_pem_base64_encode_alloc ("CERTIFICATE", &cert_list[0],
+ &pemdata);
+ if (ret == 0) {
+ if (fwrite (pemdata.data, pemdata.size, 1, fp) == 1) {
+ done = 1;
+ }
+ gnutls_free (pemdata.data);
+ }
+ }
+ m_fclose(&fp);
+ }
+ if (!done) {
+ mutt_error (_("Warning: Couldn't save certificate"));
+ mutt_sleep (2);
+ }
+ else {
+ mutt_message (_("Certificate saved"));
+ mutt_sleep (0);
+ }
+ /* fall through */
+ case OP_MAX + 2: /* accept once */
+ done = 2;
+ break;
+ }
+ }
+ unset_option (OPTUNBUFFEREDINPUT);
+ mutt_menuDestroy (&menu);
+ gnutls_x509_crt_deinit (cert);
+ return (done == 2);
+}
projects / apps / madmutt.git / blobdiff