annotate src/login-common/ssl-proxy-gnutls.c @ 22656:1789bf2a1e01

director: Make sure HOST-RESET-USERS isn't used with max_moving_users=0 The reset command would just hang in that case. doveadm would never have sent this, so this is just an extra sanity check.
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Sun, 05 Nov 2017 23:51:56 +0200
parents 2e2563132d5f
children cb108f786fb4
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2e2563132d5f Updated copyright notices to include the year 2017.
Stephan Bosch <stephan.bosch@dovecot.fi>
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1 /* Copyright (c) 2002-2017 Dovecot authors, see the included COPYING file */
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2
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3 #include "login-common.h"
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4 #include "ioloop.h"
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5 #include "net.h"
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6 #include "hash.h"
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7 #include "ssl-proxy.h"
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8
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9 #ifdef HAVE_GNUTLS
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10
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f23cbc64cef4 Fixed to compile with GNUTLS 1.0. Patch by Jaldhar H. Vyas.
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11 #error broken currently
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12
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13 #include <stdio.h>
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14 #include <unistd.h>
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15 #include <fcntl.h>
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16 #include <gcrypt.h>
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17 #include <gnutls/gnutls.h>
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18
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19 struct ssl_proxy {
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20 int refcount;
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21
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22 gnutls_session session;
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23 struct ip_addr ip;
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24
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25 int fd_ssl, fd_plain;
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26 struct io *io_ssl, *io_plain;
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27 int io_ssl_dir;
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28
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29 unsigned char outbuf_plain[1024];
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30 unsigned int outbuf_pos_plain;
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31
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32 size_t send_left_ssl, send_left_plain;
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33 };
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34
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35 const int protocol_priority[] =
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36 { GNUTLS_TLS1, GNUTLS_SSL3, 0 };
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37 const int kx_priority[] =
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38 { GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA, GNUTLS_KX_DHE_RSA, 0 };
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39 const int cipher_priority[] =
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40 { GNUTLS_CIPHER_RIJNDAEL_CBC, GNUTLS_CIPHER_3DES_CBC,
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41 GNUTLS_CIPHER_ARCFOUR_128, GNUTLS_CIPHER_ARCFOUR_40, 0 };
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42 const int comp_priority[] =
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43 { GNUTLS_COMP_LZO, GNUTLS_COMP_ZLIB, GNUTLS_COMP_NULL, 0 };
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44 const int mac_priority[] =
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45 { GNUTLS_MAC_SHA, GNUTLS_MAC_MD5, 0 };
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46 const int cert_type_priority[] =
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47 { GNUTLS_CRT_X509, 0 };
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48
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49 static struct hash_table *ssl_proxies;
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50 static gnutls_certificate_credentials x509_cred;
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51 static gnutls_dh_params dh_params;
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52 static gnutls_rsa_params rsa_params;
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53
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54 static void ssl_input(struct ssl_proxy *proxy);
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55 static void plain_input(struct ssl_proxy *proxy);
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56 static bool ssl_proxy_destroy(struct ssl_proxy *proxy);
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57
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58 static const char *get_alert_text(struct ssl_proxy *proxy)
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59 {
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60 return gnutls_alert_get_name(gnutls_alert_get(proxy->session));
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61 }
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62
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63 static int handle_ssl_error(struct ssl_proxy *proxy, int error)
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64 {
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65 if (!gnutls_error_is_fatal(error)) {
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66 if (!verbose_ssl)
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67 return 0;
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68
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69 if (error == GNUTLS_E_WARNING_ALERT_RECEIVED) {
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70 i_warning("Received SSL warning alert: %s [%s]",
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71 get_alert_text(proxy),
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72 net_ip2addr(&proxy->ip));
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73 } else {
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74 i_warning("Non-fatal SSL error: %s: %s",
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75 get_alert_text(proxy),
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76 net_ip2addr(&proxy->ip));
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77 }
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78 return 0;
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79 }
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80
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81 if (verbose_ssl) {
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82 /* fatal error occurred */
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83 if (error == GNUTLS_E_FATAL_ALERT_RECEIVED) {
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84 i_warning("Received SSL fatal alert: %s [%s]",
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85 get_alert_text(proxy),
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86 net_ip2addr(&proxy->ip));
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87 } else {
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88 i_warning("Error reading from SSL client: %s [%s]",
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89 gnutls_strerror(error),
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90 net_ip2addr(&proxy->ip));
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91 }
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92 }
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93
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94 gnutls_alert_send_appropriate(proxy->session, error);
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95 ssl_proxy_destroy(proxy);
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96 return -1;
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97 }
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98
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99 static int proxy_recv_ssl(struct ssl_proxy *proxy, void *data, size_t size)
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100 {
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101 int rcvd;
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102
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103 rcvd = gnutls_record_recv(proxy->session, data, size);
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104 if (rcvd > 0)
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105 return rcvd;
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106
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107 if (rcvd == 0 || rcvd == GNUTLS_E_UNEXPECTED_PACKET_LENGTH) {
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108 /* disconnected, either by nicely telling us that we'll
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109 close the connection, or by simply killing the
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110 connection which gives us the packet length error. */
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111 ssl_proxy_destroy(proxy);
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112 return -1;
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113 }
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114
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115 return handle_ssl_error(proxy, rcvd);
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116 }
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117
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118 static int proxy_send_ssl(struct ssl_proxy *proxy,
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119 const void *data, size_t size)
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120 {
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121 int sent;
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122
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123 sent = gnutls_record_send(proxy->session, data, size);
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124 if (sent >= 0)
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125 return sent;
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126
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127 if (sent == GNUTLS_E_PUSH_ERROR || sent == GNUTLS_E_INVALID_SESSION) {
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128 /* don't warn about errors related to unexpected
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129 disconnection */
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130 ssl_proxy_destroy(proxy);
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parents:
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131 return -1;
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parents:
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132 }
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parents:
diff changeset
133
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parents:
diff changeset
134 return handle_ssl_error(proxy, sent);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
135 }
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
136
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
137 static int ssl_proxy_destroy(struct ssl_proxy *proxy)
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parents:
diff changeset
138 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
139 if (--proxy->refcount > 0)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
140 return TRUE;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
141
8573
f9166a09423a Renamed hash_*() to hash_table_*() to avoid conflicts with OSX's strhash.h
Timo Sirainen <tss@iki.fi>
parents: 7226
diff changeset
142 hash_table_remove(ssl_proxies, proxy);
1233
42f7c4e8e690 proper deinit for gnutls proxy too
Timo Sirainen <tss@iki.fi>
parents: 1117
diff changeset
143
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parents:
diff changeset
144 gnutls_deinit(proxy->session);
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parents:
diff changeset
145
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
146 if (proxy->io_ssl != NULL)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
147 io_remove(proxy->io_ssl);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
148 if (proxy->io_plain != NULL)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
149 io_remove(proxy->io_plain);
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
150
14688
128c598d2870 Avoid using (void)s by adding ATTR_NOWARN_UNUSED_RESULT attributes and other ways.
Timo Sirainen <tss@iki.fi>
parents: 14687
diff changeset
151 net_disconnect(proxy->fd_ssl);
128c598d2870 Avoid using (void)s by adding ATTR_NOWARN_UNUSED_RESULT attributes and other ways.
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parents: 14687
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152 net_disconnect(proxy->fd_plain);
3960
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
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diff changeset
153
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diff changeset
154 i_free(proxy);
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
155
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
156 main_unref();
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
157 return FALSE;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
158 }
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
159
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5b4c9b20eba0 Replaced void *context from a lot of callbacks with the actual context
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160 static void ssl_output(struct ssl_proxy *proxy)
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161 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
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162 int sent;
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Timo Sirainen <tss@iki.fi>
parents:
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163
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
164 sent = net_transmit(proxy->fd_plain,
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
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165 proxy->outbuf_plain + proxy->outbuf_pos_plain,
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
166 proxy->send_left_plain);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
167 if (sent < 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
168 /* disconnected */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
169 ssl_proxy_destroy(proxy);
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
170 return;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
171 }
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
172
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
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173 proxy->send_left_plain -= sent;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
174 proxy->outbuf_pos_plain += sent;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
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parents:
diff changeset
175
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
176 if (proxy->send_left_plain > 0)
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
177 return;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
178
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
179 /* everything is sent, start reading again */
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
180 io_remove(proxy->io_ssl);
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
181 proxy->io_ssl = io_add(proxy->fd_ssl, IO_READ, ssl_input, proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
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182 }
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
183
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5b4c9b20eba0 Replaced void *context from a lot of callbacks with the actual context
Timo Sirainen <tss@iki.fi>
parents: 3960
diff changeset
184 static void ssl_input(struct ssl_proxy *proxy)
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185 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
186 int rcvd, sent;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
187
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
188 rcvd = proxy_recv_ssl(proxy, proxy->outbuf_plain,
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
189 sizeof(proxy->outbuf_plain));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
190 if (rcvd <= 0)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
191 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
192
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
193 sent = net_transmit(proxy->fd_plain, proxy->outbuf_plain, (size_t)rcvd);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
194 if (sent == rcvd)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
195 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
196
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
197 if (sent < 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
198 /* disconnected */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
199 ssl_proxy_destroy(proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
200 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
201 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
202
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
203 /* everything wasn't sent - don't read anything until we've
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
204 sent it all */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
205 proxy->outbuf_pos_plain = 0;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
206 proxy->send_left_plain = rcvd - sent;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
207
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
208 io_remove(proxy->io_ssl);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
209 proxy->io_ssl = io_add(proxy->fd_ssl, IO_WRITE, ssl_output, proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
210 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
211
4907
5b4c9b20eba0 Replaced void *context from a lot of callbacks with the actual context
Timo Sirainen <tss@iki.fi>
parents: 3960
diff changeset
212 static void plain_output(struct ssl_proxy *proxy)
1049
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
213 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
214 int sent;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
215
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
216 sent = proxy_send_ssl(proxy, NULL, proxy->send_left_ssl);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
217 if (sent <= 0)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
218 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
219
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
220 proxy->send_left_ssl -= sent;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
221 if (proxy->send_left_ssl > 0)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
222 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
223
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
224 /* everything is sent, start reading again */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
225 io_remove(proxy->io_plain);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
226 proxy->io_plain = io_add(proxy->fd_plain, IO_READ, plain_input, proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
227 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
228
4907
5b4c9b20eba0 Replaced void *context from a lot of callbacks with the actual context
Timo Sirainen <tss@iki.fi>
parents: 3960
diff changeset
229 static void plain_input(struct ssl_proxy *proxy)
1049
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
230 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
231 char buf[1024];
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
232 ssize_t rcvd, sent;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
233
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
234 rcvd = net_receive(proxy->fd_plain, buf, sizeof(buf));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
235 if (rcvd < 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
236 /* disconnected */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
237 gnutls_bye(proxy->session, 1);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
238 ssl_proxy_destroy(proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
239 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
240 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
241
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
242 sent = proxy_send_ssl(proxy, buf, (size_t)rcvd);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
243 if (sent < 0 || sent == rcvd)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
244 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
245
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
246 /* everything wasn't sent - don't read anything until we've
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
247 sent it all */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
248 proxy->send_left_ssl = rcvd - sent;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
249
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
250 io_remove(proxy->io_plain);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
251 proxy->io_plain = io_add(proxy->fd_ssl, IO_WRITE, plain_output, proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
252 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
253
4907
5b4c9b20eba0 Replaced void *context from a lot of callbacks with the actual context
Timo Sirainen <tss@iki.fi>
parents: 3960
diff changeset
254 static void ssl_handshake(struct ssl_proxy *proxy)
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
255 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
256 int ret, dir;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
257
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
258 ret = gnutls_handshake(proxy->session);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
259 if (ret >= 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
260 /* handshake done, now we can start reading */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
261 if (proxy->io_ssl != NULL)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
262 io_remove(proxy->io_ssl);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
263
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
264 proxy->io_plain = io_add(proxy->fd_plain, IO_READ,
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
265 plain_input, proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
266 proxy->io_ssl = io_add(proxy->fd_ssl, IO_READ,
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
267 ssl_input, proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
268 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
269 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
270
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
271 if (handle_ssl_error(proxy, ret) < 0)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
272 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
273
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
274 /* i/o interrupted */
1968
f23cbc64cef4 Fixed to compile with GNUTLS 1.0. Patch by Jaldhar H. Vyas.
Timo Sirainen <tss@iki.fi>
parents: 1897
diff changeset
275 dir = gnutls_record_get_direction(proxy->session) == 0 ?
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
276 IO_READ : IO_WRITE;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
277 if (proxy->io_ssl_dir != dir) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
278 if (proxy->io_ssl != NULL)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
279 io_remove(proxy->io_ssl);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
280 proxy->io_ssl = io_add(proxy->fd_ssl, dir,
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
281 ssl_handshake, proxy);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
282 proxy->io_ssl_dir = dir;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
283 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
284 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
285
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
286 static gnutls_session initialize_state(void)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
287 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
288 gnutls_session session;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
289
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
290 gnutls_init(&session, GNUTLS_SERVER);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
291
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
292 gnutls_protocol_set_priority(session, protocol_priority);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
293 gnutls_cipher_set_priority(session, cipher_priority);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
294 gnutls_compression_set_priority(session, comp_priority);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
295 gnutls_kx_set_priority(session, kx_priority);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
296 gnutls_mac_set_priority(session, mac_priority);
1968
f23cbc64cef4 Fixed to compile with GNUTLS 1.0. Patch by Jaldhar H. Vyas.
Timo Sirainen <tss@iki.fi>
parents: 1897
diff changeset
297 gnutls_certificate_type_set_priority(session, cert_type_priority);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
298
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
299 gnutls_cred_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
300 return session;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
301 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
302
1235
2660b47fd9bc Added setting verbose_ssl
Timo Sirainen <tss@iki.fi>
parents: 1233
diff changeset
303 int ssl_proxy_new(int fd, struct ip_addr *ip)
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
304 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
305 struct ssl_proxy *proxy;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
306 gnutls_session session;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
307 int sfd[2];
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
308
2679
8f7b01c29bcb Show clear error messages if --ssl is tried to be used but it's not
Timo Sirainen <tss@iki.fi>
parents: 1968
diff changeset
309 if (!ssl_initialized) {
8f7b01c29bcb Show clear error messages if --ssl is tried to be used but it's not
Timo Sirainen <tss@iki.fi>
parents: 1968
diff changeset
310 i_error("SSL support not enabled in configuration");
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
311 return -1;
2679
8f7b01c29bcb Show clear error messages if --ssl is tried to be used but it's not
Timo Sirainen <tss@iki.fi>
parents: 1968
diff changeset
312 }
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
313
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
314 session = initialize_state();
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
315 gnutls_transport_set_ptr(session, fd);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
316
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
317 if (socketpair(AF_UNIX, SOCK_STREAM, 0, sfd) == -1) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
318 i_error("socketpair() failed: %m");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
319 gnutls_deinit(session);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
320 return -1;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
321 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
322
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
323 net_set_nonblock(sfd[0], TRUE);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
324 net_set_nonblock(sfd[1], TRUE);
1268
0d9f0e617a1a net_* functions don't anymore set sockets to non-blocking by default.
Timo Sirainen <tss@iki.fi>
parents: 1235
diff changeset
325 net_set_nonblock(fd, TRUE);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
326
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
327 proxy = i_new(struct ssl_proxy, 1);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
328 proxy->refcount = 1;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
329 proxy->session = session;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
330 proxy->fd_ssl = fd;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
331 proxy->fd_plain = sfd[0];
1235
2660b47fd9bc Added setting verbose_ssl
Timo Sirainen <tss@iki.fi>
parents: 1233
diff changeset
332 proxy->ip = *ip;
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
333
8573
f9166a09423a Renamed hash_*() to hash_table_*() to avoid conflicts with OSX's strhash.h
Timo Sirainen <tss@iki.fi>
parents: 7226
diff changeset
334 hash_table_insert(ssl_proxies, proxy, proxy);
1544
ac6ee442376d OpenSSL proxy changes - hopefully fixes something. Also don't crash with
Timo Sirainen <tss@iki.fi>
parents: 1485
diff changeset
335
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
336 proxy->refcount++;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
337 ssl_handshake(proxy);
1117
71c438e6a40f STARTTLS handshake failure fixes.
Timo Sirainen <tss@iki.fi>
parents: 1049
diff changeset
338 if (!ssl_proxy_destroy(proxy)) {
71c438e6a40f STARTTLS handshake failure fixes.
Timo Sirainen <tss@iki.fi>
parents: 1049
diff changeset
339 /* handshake failed. return the disconnected socket anyway
71c438e6a40f STARTTLS handshake failure fixes.
Timo Sirainen <tss@iki.fi>
parents: 1049
diff changeset
340 so the caller doesn't try to use the old closed fd */
71c438e6a40f STARTTLS handshake failure fixes.
Timo Sirainen <tss@iki.fi>
parents: 1049
diff changeset
341 return sfd[1];
71c438e6a40f STARTTLS handshake failure fixes.
Timo Sirainen <tss@iki.fi>
parents: 1049
diff changeset
342 }
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
343
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
344 main_ref();
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
345 return sfd[1];
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
346 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
347
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
348 static void read_next_field(int fd, gnutls_datum *datum,
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
349 const char *fname, const char *field_name)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
350 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
351 ssize_t ret;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
352
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
353 /* get size */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
354 ret = read(fd, &datum->size, sizeof(datum->size));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
355 if (ret < 0)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
356 i_fatal("read() failed for %s: %m", fname);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
357
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
358 if (ret != sizeof(datum->size)) {
19136
fefaa6d09a81 Replaced unlink() calls with i_unlink*() wherever possible.
Timo Sirainen <tss@iki.fi>
parents: 18137
diff changeset
359 i_unlink(fname);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
360 i_fatal("Corrupted SSL parameter file %s: File too small",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
361 fname);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
362 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
363
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
364 if (datum->size > 10240) {
19136
fefaa6d09a81 Replaced unlink() calls with i_unlink*() wherever possible.
Timo Sirainen <tss@iki.fi>
parents: 18137
diff changeset
365 i_unlink(fname);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
366 i_fatal("Corrupted SSL parameter file %s: "
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
367 "Field '%s' too large (%u)",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
368 fname, field_name, datum->size);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
369 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
370
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
371 /* read the actual data */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
372 datum->data = t_malloc(datum->size);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
373 ret = read(fd, datum->data, datum->size);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
374 if (ret < 0)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
375 i_fatal("read() failed for %s: %m", fname);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
376
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
377 if ((size_t)ret != datum->size) {
19136
fefaa6d09a81 Replaced unlink() calls with i_unlink*() wherever possible.
Timo Sirainen <tss@iki.fi>
parents: 18137
diff changeset
378 i_unlink(fname);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
379 i_fatal("Corrupted SSL parameter file %s: "
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
380 "Field '%s' not fully in file (%u < %u)",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
381 fname, field_name, datum->size - ret, datum->size);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
382 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
383 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
384
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
385 static void read_dh_parameters(int fd, const char *fname)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
386 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
387 gnutls_datum dbits, prime, generator;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
388 int ret, bits;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
389
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
390 if ((ret = gnutls_dh_params_init(&dh_params)) < 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
391 i_fatal("gnutls_dh_params_init() failed: %s",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
392 gnutls_strerror(ret));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
393 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
394
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
395 /* read until bits field is 0 */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
396 for (;;) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
397 read_next_field(fd, &dbits, fname, "DH bits");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
398
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
399 if (dbits.size != sizeof(int)) {
19136
fefaa6d09a81 Replaced unlink() calls with i_unlink*() wherever possible.
Timo Sirainen <tss@iki.fi>
parents: 18137
diff changeset
400 i_unlink(fname);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
401 i_fatal("Corrupted SSL parameter file %s: "
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
402 "Field 'DH bits' has invalid size %u",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
403 fname, dbits.size);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
404 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
405
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
406 bits = *((int *) dbits.data);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
407 if (bits == 0)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
408 break;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
409
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
410 read_next_field(fd, &prime, fname, "DH prime");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
411 read_next_field(fd, &generator, fname, "DH generator");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
412
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
413 ret = gnutls_dh_params_set(dh_params, prime, generator, bits);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
414 if (ret < 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
415 i_fatal("gnutls_dh_params_set() failed: %s",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
416 gnutls_strerror(ret));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
417 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
418 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
419 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
420
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
421 static void read_rsa_parameters(int fd, const char *fname)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
422 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
423 gnutls_datum m, e, d, p, q, u;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
424 int ret;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
425
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
426 read_next_field(fd, &m, fname, "RSA m");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
427 read_next_field(fd, &e, fname, "RSA e");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
428 read_next_field(fd, &d, fname, "RSA d");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
429 read_next_field(fd, &p, fname, "RSA p");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
430 read_next_field(fd, &q, fname, "RSA q");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
431 read_next_field(fd, &u, fname, "RSA u");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
432
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
433 if ((ret = gnutls_rsa_params_init(&rsa_params)) < 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
434 i_fatal("gnutls_rsa_params_init() failed: %s",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
435 gnutls_strerror(ret));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
436 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
437
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
438 /* only 512bit is allowed */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
439 ret = gnutls_rsa_params_set(rsa_params, m, e, d, p, q, u, 512);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
440 if (ret < 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
441 i_fatal("gnutls_rsa_params_set() failed: %s",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
442 gnutls_strerror(ret));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
443 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
444 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
445
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
446 static void read_parameters(const char *fname)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
447 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
448 int fd;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
449
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
450 /* we'll wait until parameter file exists */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
451 for (;;) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
452 fd = open(fname, O_RDONLY);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
453 if (fd != -1)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
454 break;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
455
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
456 if (errno != ENOENT)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
457 i_fatal("Can't open SSL parameter file %s: %m", fname);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
458
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
459 sleep(1);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
460 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
461
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
462 read_dh_parameters(fd, fname);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
463 read_rsa_parameters(fd, fname);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
464
14691
3945a3646c67 Changed i_close_fd() API to set the fd to -1 after closing.
Timo Sirainen <tss@iki.fi>
parents: 14688
diff changeset
465 i_close_fd(&fd);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
466 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
467
6411
6a64e64fa3a3 Renamed __attr_*__ to ATTR_*. Renamed __attrs_used__ to ATTRS_DEFINED.
Timo Sirainen <tss@iki.fi>
parents: 5360
diff changeset
468 static void gcrypt_log_handler(void *context ATTR_UNUSED, int level,
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
469 const char *fmt, va_list args)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
470 {
6940
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
471 if (level != GCRY_LOG_FATAL)
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
472 return;
414c9d631a81 Replaced t_push/t_pop calls with T_FRAME*() macros.
Timo Sirainen <tss@iki.fi>
parents: 6429
diff changeset
473
7226
e6693a0ec8e1 Renamed T_FRAME_BEGIN/END to T_BEGIN/END. Removed T_FRAME() macro and
Timo Sirainen <tss@iki.fi>
parents: 7086
diff changeset
474 T_BEGIN {
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
475 i_error("gcrypt fatal: %s", t_strdup_vprintf(fmt, args));
7226
e6693a0ec8e1 Renamed T_FRAME_BEGIN/END to T_BEGIN/END. Removed T_FRAME() macro and
Timo Sirainen <tss@iki.fi>
parents: 7086
diff changeset
476 } T_END;
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
477 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
478
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
479 void ssl_proxy_init(void)
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
480 {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
481 const char *certfile, *keyfile, *paramfile;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
482 unsigned char buf[4];
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
483 int ret;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
484
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
485 certfile = getenv("SSL_CERT_FILE");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
486 keyfile = getenv("SSL_KEY_FILE");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
487 paramfile = getenv("SSL_PARAM_FILE");
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
488
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
489 if (certfile == NULL || keyfile == NULL || paramfile == NULL) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
490 /* SSL support is disabled */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
491 return;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
492 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
493
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
494 if ((ret = gnutls_global_init() < 0)) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
495 i_fatal("gnu_tls_global_init() failed: %s",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
496 gnutls_strerror(ret));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
497 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
498
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
499 /* gcrypt initialization - set log handler and make sure randomizer
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
500 opens /dev/urandom now instead of after we've chrooted */
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
501 gcry_set_log_handler(gcrypt_log_handler, NULL);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
502 gcry_randomize(buf, sizeof(buf), GCRY_STRONG_RANDOM);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
503
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
504 read_parameters(paramfile);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
505
1968
f23cbc64cef4 Fixed to compile with GNUTLS 1.0. Patch by Jaldhar H. Vyas.
Timo Sirainen <tss@iki.fi>
parents: 1897
diff changeset
506 if ((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0) {
f23cbc64cef4 Fixed to compile with GNUTLS 1.0. Patch by Jaldhar H. Vyas.
Timo Sirainen <tss@iki.fi>
parents: 1897
diff changeset
507 i_fatal("gnutls_certificate_allocate_credentials() failed: %s",
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
508 gnutls_strerror(ret));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
509 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
510
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
511 ret = gnutls_certificate_set_x509_key_file(x509_cred, certfile, keyfile,
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
512 GNUTLS_X509_FMT_PEM);
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
513 if (ret < 0) {
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
514 i_fatal("Can't load certificate files %s and %s: %s",
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
515 certfile, keyfile, gnutls_strerror(ret));
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
516 }
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
517
1968
f23cbc64cef4 Fixed to compile with GNUTLS 1.0. Patch by Jaldhar H. Vyas.
Timo Sirainen <tss@iki.fi>
parents: 1897
diff changeset
518 gnutls_certificate_set_dh_params(x509_cred, dh_params);
f23cbc64cef4 Fixed to compile with GNUTLS 1.0. Patch by Jaldhar H. Vyas.
Timo Sirainen <tss@iki.fi>
parents: 1897
diff changeset
519 gnutls_certificate_set_rsa_export_params(x509_cred, rsa_params);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
520
14917
1ce71b5bc94a hash_table_create(): Removed table_pool parameter.
Timo Sirainen <tss@iki.fi>
parents: 14691
diff changeset
521 ssl_proxies = hash_table_create(default_pool, 0, NULL, NULL);
1049
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
522 ssl_initialized = TRUE;
c41787e8c3f4 Moved common login process code to login-common, created pop3-login.
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523 }
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524
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525 void ssl_proxy_deinit(void)
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526 {
1897
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527 struct hash_iterate_context *iter;
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528 void *key, *value;
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529
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530 if (!ssl_initialized)
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531 return;
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532
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533 iter = hash_table_iterate_init(ssl_proxies);
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534 while (hash_table_iterate(iter, &key, &value))
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535 ssl_proxy_destroy(value);
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536 hash_table_iterate_deinit(iter);
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537 hash_table_destroy(ssl_proxies);
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538
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539 gnutls_certificate_free_credentials(x509_cred);
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540 gnutls_global_deinit();
1049
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541 }
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542
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543 #endif