Mercurial > dovecot > original-hg > dovecot-1.2
annotate src/login-common/ssl-proxy-openssl.c @ 9305:b7dbcf86086b HEAD
Fixed openssl malloc() failure check.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Tue, 11 Aug 2009 17:38:06 -0400 |
parents | c00df1152f1f |
children | 26ca4ff5d269 |
rev | line source |
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Updated copyright notices to include year 2009.
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1 /* Copyright (c) 2002-2009 Dovecot authors, see the included COPYING file */ |
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2 |
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3 #include "common.h" |
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4 #include "array.h" |
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5 #include "ioloop.h" |
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6 #include "network.h" |
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7 #include "ostream.h" |
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8 #include "read-full.h" |
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9 #include "llist.h" |
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10 #include "ssl-proxy.h" |
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11 |
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12 #include <fcntl.h> |
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13 #include <unistd.h> |
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14 #include <sys/stat.h> |
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15 |
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16 #ifdef HAVE_OPENSSL |
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17 |
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18 #include <openssl/crypto.h> |
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19 #include <openssl/x509.h> |
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20 #include <openssl/pem.h> |
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21 #include <openssl/ssl.h> |
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22 #include <openssl/err.h> |
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23 #include <openssl/rand.h> |
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24 |
4696 | 25 #define DOVECOT_SSL_DEFAULT_CIPHER_LIST "ALL:!LOW:!SSLv2" |
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26 /* Check every 30 minutes if parameters file has been updated */ |
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27 #define SSL_PARAMFILE_CHECK_INTERVAL (60*30) |
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28 |
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29 enum ssl_io_action { |
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30 SSL_ADD_INPUT, |
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31 SSL_REMOVE_INPUT, |
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32 SSL_ADD_OUTPUT, |
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33 SSL_REMOVE_OUTPUT |
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34 }; |
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35 |
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36 struct ssl_proxy { |
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37 int refcount; |
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38 struct ssl_proxy *prev, *next; |
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39 |
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40 SSL *ssl; |
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42 |
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43 int fd_ssl, fd_plain; |
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44 struct io *io_ssl_read, *io_ssl_write, *io_plain_read, *io_plain_write; |
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45 |
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46 unsigned char plainout_buf[1024]; |
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47 unsigned int plainout_size; |
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48 |
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49 unsigned char sslout_buf[1024]; |
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50 unsigned int sslout_size; |
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51 |
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52 ssl_handshake_callback_t *handshake_callback; |
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53 void *handshake_context; |
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54 |
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If TLS connection closes with anything except a clean disconnection, log the
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55 char *last_error; |
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56 unsigned int handshaked:1; |
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57 unsigned int destroyed:1; |
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58 unsigned int cert_received:1; |
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59 unsigned int cert_broken:1; |
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60 unsigned int client:1; |
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61 }; |
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62 |
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63 struct ssl_parameters { |
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64 const char *fname; |
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65 time_t last_mtime, last_check; |
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66 int fd; |
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67 |
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68 DH *dh_512, *dh_1024; |
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69 }; |
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70 |
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71 static int extdata_index; |
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72 static SSL_CTX *ssl_server_ctx; |
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73 static SSL_CTX *ssl_client_ctx; |
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74 static unsigned int ssl_proxy_count; |
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75 static struct ssl_proxy *ssl_proxies; |
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76 static struct ssl_parameters ssl_params; |
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77 static int ssl_username_nid; |
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78 |
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79 static void plain_read(struct ssl_proxy *proxy); |
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80 static void ssl_read(struct ssl_proxy *proxy); |
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81 static void ssl_write(struct ssl_proxy *proxy); |
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82 static void ssl_step(struct ssl_proxy *proxy); |
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83 static void ssl_proxy_destroy(struct ssl_proxy *proxy); |
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84 static void ssl_proxy_unref(struct ssl_proxy *proxy); |
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85 |
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86 static void ssl_params_corrupted(const char *path) |
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87 { |
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88 i_fatal("Corrupted SSL parameters file: %s/%s " |
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89 "(delete it and also the one in %s)", |
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90 getenv("LOGIN_DIR"), path, PKG_STATEDIR); |
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91 } |
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92 |
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93 static void read_next(struct ssl_parameters *params, void *data, size_t size) |
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94 { |
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95 int ret; |
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96 |
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97 if ((ret = read_full(params->fd, data, size)) < 0) |
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98 i_fatal("read(%s) failed: %m", params->fname); |
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99 if (ret == 0) |
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100 ssl_params_corrupted(params->fname); |
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101 } |
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102 |
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103 static bool read_dh_parameters_next(struct ssl_parameters *params) |
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104 { |
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105 unsigned char *buf; |
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106 const unsigned char *cbuf; |
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107 unsigned int len; |
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108 int bits; |
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109 |
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110 /* read bit size. 0 ends the DH parameters list. */ |
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111 read_next(params, &bits, sizeof(bits)); |
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112 |
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113 if (bits == 0) |
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114 return FALSE; |
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115 |
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116 /* read data size. */ |
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117 read_next(params, &len, sizeof(len)); |
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118 if (len > 1024*100) /* should be enough? */ |
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119 ssl_params_corrupted(params->fname); |
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120 |
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121 buf = i_malloc(len); |
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122 read_next(params, buf, len); |
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123 |
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124 cbuf = buf; |
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125 switch (bits) { |
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126 case 512: |
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127 params->dh_512 = d2i_DHparams(NULL, &cbuf, len); |
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128 break; |
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129 case 1024: |
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130 params->dh_1024 = d2i_DHparams(NULL, &cbuf, len); |
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131 break; |
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132 default: |
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133 ssl_params_corrupted(params->fname); |
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134 } |
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135 |
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136 i_free(buf); |
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137 return TRUE; |
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138 } |
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139 |
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140 static void ssl_free_parameters(struct ssl_parameters *params) |
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141 { |
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142 if (params->dh_512 != NULL) { |
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143 DH_free(params->dh_512); |
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144 params->dh_512 = NULL; |
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145 } |
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146 if (params->dh_1024 != NULL) { |
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147 DH_free(params->dh_1024); |
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148 params->dh_1024 = NULL; |
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149 } |
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150 } |
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151 |
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152 static void ssl_read_parameters(struct ssl_parameters *params) |
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153 { |
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154 struct stat st; |
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155 ssize_t ret; |
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156 char c; |
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157 bool warned = FALSE; |
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158 |
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159 /* we'll wait until parameter file exists */ |
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160 for (;;) { |
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161 params->fd = open(params->fname, O_RDONLY); |
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162 if (params->fd != -1) |
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163 break; |
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|
164 |
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|
165 if (errno != ENOENT) { |
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166 i_fatal("Can't open SSL parameter file %s: %m", |
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|
167 params->fname); |
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168 } |
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169 |
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170 if (!warned) { |
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171 i_warning("Waiting for SSL parameter file %s", |
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|
172 params->fname); |
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|
173 warned = TRUE; |
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|
174 } |
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|
175 sleep(1); |
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|
176 } |
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177 |
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178 if (fstat(params->fd, &st) < 0) |
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179 i_error("fstat(%s) failed: %m", params->fname); |
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180 else |
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181 params->last_mtime = st.st_mtime; |
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182 |
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183 ssl_free_parameters(params); |
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|
184 while (read_dh_parameters_next(params)) ; |
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185 |
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186 if ((ret = read_full(params->fd, &c, 1)) < 0) |
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|
187 i_fatal("read(%s) failed: %m", params->fname); |
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188 else if (ret != 0) { |
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|
189 /* more data than expected */ |
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|
190 ssl_params_corrupted(params->fname); |
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191 } |
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192 |
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|
193 if (close(params->fd) < 0) |
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|
194 i_error("close() failed: %m"); |
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|
195 params->fd = -1; |
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|
196 } |
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|
197 |
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|
198 static void ssl_refresh_parameters(struct ssl_parameters *params) |
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|
199 { |
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|
200 struct stat st; |
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201 |
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202 if (params->last_check > ioloop_time - SSL_PARAMFILE_CHECK_INTERVAL) |
3888
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|
203 return; |
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|
204 params->last_check = ioloop_time; |
3888
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|
205 |
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|
206 if (params->last_mtime == 0) |
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|
207 ssl_read_parameters(params); |
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|
208 else { |
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|
209 if (stat(params->fname, &st) < 0) |
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|
210 i_error("stat(%s) failed: %m", params->fname); |
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|
211 else if (st.st_mtime != params->last_mtime) |
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|
212 ssl_read_parameters(params); |
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|
213 } |
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|
214 } |
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|
215 |
4538
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|
216 static void ssl_set_io(struct ssl_proxy *proxy, enum ssl_io_action action) |
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|
217 { |
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|
218 switch (action) { |
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|
219 case SSL_ADD_INPUT: |
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|
220 if (proxy->io_ssl_read != NULL) |
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|
221 break; |
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|
222 proxy->io_ssl_read = io_add(proxy->fd_ssl, IO_READ, |
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|
223 ssl_step, proxy); |
9d9e72374164
Fixes to login process handling, especially with
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diff
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|
224 break; |
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Fixes to login process handling, especially with
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|
225 case SSL_REMOVE_INPUT: |
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|
226 if (proxy->io_ssl_read != NULL) |
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|
227 io_remove(&proxy->io_ssl_read); |
9d9e72374164
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|
228 break; |
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diff
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|
229 case SSL_ADD_OUTPUT: |
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|
230 if (proxy->io_ssl_write != NULL) |
9d9e72374164
Fixes to login process handling, especially with
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|
231 break; |
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|
232 proxy->io_ssl_write = io_add(proxy->fd_ssl, IO_WRITE, |
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|
233 ssl_step, proxy); |
9d9e72374164
Fixes to login process handling, especially with
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changeset
|
234 break; |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
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235 case SSL_REMOVE_OUTPUT: |
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236 if (proxy->io_ssl_write != NULL) |
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237 io_remove(&proxy->io_ssl_write); |
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238 break; |
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239 } |
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240 } |
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241 |
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242 static void plain_block_input(struct ssl_proxy *proxy, bool block) |
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243 { |
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244 if (block) { |
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245 if (proxy->io_plain_read != NULL) |
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246 io_remove(&proxy->io_plain_read); |
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247 } else { |
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248 if (proxy->io_plain_read == NULL) { |
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249 proxy->io_plain_read = io_add(proxy->fd_plain, IO_READ, |
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250 plain_read, proxy); |
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251 } |
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252 } |
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253 } |
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254 |
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255 static void plain_read(struct ssl_proxy *proxy) |
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256 { |
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257 ssize_t ret; |
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258 bool corked = FALSE; |
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259 |
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260 if (proxy->sslout_size == sizeof(proxy->sslout_buf)) { |
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261 /* buffer full, block input until it's written */ |
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262 plain_block_input(proxy, TRUE); |
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263 return; |
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264 } |
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265 |
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266 proxy->refcount++; |
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267 |
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268 while (proxy->sslout_size < sizeof(proxy->sslout_buf) && |
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269 !proxy->destroyed) { |
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270 ret = net_receive(proxy->fd_plain, |
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271 proxy->sslout_buf + proxy->sslout_size, |
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272 sizeof(proxy->sslout_buf) - |
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273 proxy->sslout_size); |
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274 if (ret <= 0) { |
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275 if (ret < 0) |
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276 ssl_proxy_destroy(proxy); |
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277 break; |
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278 } else { |
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279 proxy->sslout_size += ret; |
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280 if (!corked) { |
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281 net_set_cork(proxy->fd_ssl, TRUE); |
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282 corked = TRUE; |
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283 } |
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284 ssl_write(proxy); |
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285 } |
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286 } |
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287 |
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288 if (corked) |
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289 net_set_cork(proxy->fd_ssl, FALSE); |
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290 |
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291 ssl_proxy_unref(proxy); |
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292 } |
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293 |
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294 static void plain_write(struct ssl_proxy *proxy) |
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295 { |
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296 ssize_t ret; |
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297 |
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298 proxy->refcount++; |
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299 |
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300 ret = net_transmit(proxy->fd_plain, proxy->plainout_buf, |
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301 proxy->plainout_size); |
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|
302 if (ret < 0) |
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303 ssl_proxy_destroy(proxy); |
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304 else { |
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|
305 proxy->plainout_size -= ret; |
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306 memmove(proxy->plainout_buf, proxy->plainout_buf + ret, |
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|
307 proxy->plainout_size); |
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|
308 |
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309 if (proxy->plainout_size > 0) { |
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310 if (proxy->io_plain_write == NULL) { |
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311 proxy->io_plain_write = |
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312 io_add(proxy->fd_plain, IO_WRITE, |
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|
313 plain_write, proxy); |
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314 } |
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315 } else { |
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316 if (proxy->io_plain_write != NULL) |
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317 io_remove(&proxy->io_plain_write); |
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318 } |
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319 |
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320 ssl_set_io(proxy, SSL_ADD_INPUT); |
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321 if (SSL_pending(proxy->ssl) > 0) |
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322 ssl_read(proxy); |
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323 } |
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324 |
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325 ssl_proxy_unref(proxy); |
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326 } |
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327 |
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|
328 static const char *ssl_last_error(void) |
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329 { |
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|
330 unsigned long err; |
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331 char *buf; |
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332 size_t err_size = 256; |
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333 |
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|
334 err = ERR_get_error(); |
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335 if (err == 0) { |
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If SSL function fails and there are no errors, return "Unknown error"
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336 if (errno != 0) |
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If SSL function fails and there are no errors, return "Unknown error"
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337 return strerror(errno); |
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338 return "Unknown error"; |
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|
339 } |
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340 |
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|
341 buf = t_malloc(err_size); |
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|
342 buf[err_size-1] = '\0'; |
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|
343 ERR_error_string_n(err, buf, err_size-1); |
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344 return buf; |
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|
345 } |
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346 |
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347 static void ssl_handle_error(struct ssl_proxy *proxy, int ret, |
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348 const char *func_name) |
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349 { |
7374
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If TLS connection closes with anything except a clean disconnection, log the
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|
350 const char *errstr = NULL; |
1235 | 351 int err; |
352 | |
7374
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If TLS connection closes with anything except a clean disconnection, log the
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|
353 proxy->refcount++; |
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354 |
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|
355 i_free_and_null(proxy->last_error); |
1235 | 356 err = SSL_get_error(proxy->ssl, ret); |
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|
357 |
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|
358 switch (err) { |
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|
359 case SSL_ERROR_WANT_READ: |
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|
360 ssl_set_io(proxy, SSL_ADD_INPUT); |
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|
361 break; |
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|
362 case SSL_ERROR_WANT_WRITE: |
4538
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Fixes to login process handling, especially with
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parents:
4506
diff
changeset
|
363 ssl_set_io(proxy, SSL_ADD_OUTPUT); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
364 break; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
365 case SSL_ERROR_SYSCALL: |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
366 /* eat up the error queue */ |
7374
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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parents:
7346
diff
changeset
|
367 if (ERR_peek_error() != 0) |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
368 errstr = ssl_last_error(); |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
369 else if (ret != 0) |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
370 errstr = strerror(errno); |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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parents:
7346
diff
changeset
|
371 else { |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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parents:
7346
diff
changeset
|
372 /* EOF. */ |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
373 errstr = "Disconnected"; |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
374 break; |
1235 | 375 } |
7374
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
376 errstr = t_strdup_printf("%s syscall failed: %s", |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
377 func_name, errstr); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
378 break; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
379 case SSL_ERROR_ZERO_RETURN: |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
380 /* clean connection closing */ |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
381 ssl_proxy_destroy(proxy); |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
382 break; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
383 case SSL_ERROR_SSL: |
9305
b7dbcf86086b
Fixed openssl malloc() failure check.
Timo Sirainen <tss@iki.fi>
parents:
9288
diff
changeset
|
384 if (ERR_GET_REASON(ERR_peek_error()) == ERR_R_MALLOC_FAILURE) { |
9288
c00df1152f1f
*-login: If OpenSSL fails with malloc failure, log an error.
Timo Sirainen <tss@iki.fi>
parents:
9283
diff
changeset
|
385 i_error("OpenSSL malloc() failed. " |
c00df1152f1f
*-login: If OpenSSL fails with malloc failure, log an error.
Timo Sirainen <tss@iki.fi>
parents:
9283
diff
changeset
|
386 "You may need to increase login_process_size"); |
c00df1152f1f
*-login: If OpenSSL fails with malloc failure, log an error.
Timo Sirainen <tss@iki.fi>
parents:
9283
diff
changeset
|
387 } |
7374
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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parents:
7346
diff
changeset
|
388 errstr = t_strdup_printf("%s failed: %s", |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
389 func_name, ssl_last_error()); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
390 break; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
391 default: |
7374
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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parents:
7346
diff
changeset
|
392 errstr = t_strdup_printf("%s failed: unknown failure %d (%s)", |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
393 func_name, err, ssl_last_error()); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
394 break; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
395 } |
7374
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
396 |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
397 if (errstr != NULL) { |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
398 proxy->last_error = i_strdup(errstr); |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
399 ssl_proxy_destroy(proxy); |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
400 } |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
401 ssl_proxy_unref(proxy); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
402 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
403 |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
404 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
|
405 { |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
406 int ret; |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
407 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
408 if (proxy->client) { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
409 ret = SSL_connect(proxy->ssl); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
410 if (ret != 1) { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
411 ssl_handle_error(proxy, ret, "SSL_connect()"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
412 return; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
413 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
414 } else { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
415 ret = SSL_accept(proxy->ssl); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
416 if (ret != 1) { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
417 ssl_handle_error(proxy, ret, "SSL_accept()"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
418 return; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
419 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
420 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
421 i_free_and_null(proxy->last_error); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
422 proxy->handshaked = TRUE; |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
423 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
424 ssl_set_io(proxy, SSL_ADD_INPUT); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
425 plain_block_input(proxy, FALSE); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
426 |
8986
d475e17d01a3
ssl-proxy: Crashfix to previous commit.
Timo Sirainen <tss@iki.fi>
parents:
8985
diff
changeset
|
427 if (proxy->handshake_callback != NULL) { |
d475e17d01a3
ssl-proxy: Crashfix to previous commit.
Timo Sirainen <tss@iki.fi>
parents:
8985
diff
changeset
|
428 if (proxy->handshake_callback(proxy->handshake_context) < 0) |
d475e17d01a3
ssl-proxy: Crashfix to previous commit.
Timo Sirainen <tss@iki.fi>
parents:
8985
diff
changeset
|
429 ssl_proxy_destroy(proxy); |
d475e17d01a3
ssl-proxy: Crashfix to previous commit.
Timo Sirainen <tss@iki.fi>
parents:
8985
diff
changeset
|
430 } |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
431 } |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
432 |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
433 static void ssl_read(struct ssl_proxy *proxy) |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
434 { |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
435 int ret; |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
436 |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
437 while (proxy->plainout_size < sizeof(proxy->plainout_buf) && |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
438 !proxy->destroyed) { |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
439 ret = SSL_read(proxy->ssl, |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
440 proxy->plainout_buf + proxy->plainout_size, |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
441 sizeof(proxy->plainout_buf) - |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
442 proxy->plainout_size); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
443 if (ret <= 0) { |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
444 ssl_handle_error(proxy, ret, "SSL_read()"); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
445 break; |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
446 } else { |
7374
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
447 i_free_and_null(proxy->last_error); |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
448 proxy->plainout_size += ret; |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
449 plain_write(proxy); |
4131 | 450 } |
4127
60583fb75d9e
Rewrite. Hopefully works better.
Timo Sirainen <tss@iki.fi>
parents:
3960
diff
changeset
|
451 } |
60583fb75d9e
Rewrite. Hopefully works better.
Timo Sirainen <tss@iki.fi>
parents:
3960
diff
changeset
|
452 } |
60583fb75d9e
Rewrite. Hopefully works better.
Timo Sirainen <tss@iki.fi>
parents:
3960
diff
changeset
|
453 |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
454 static void ssl_write(struct ssl_proxy *proxy) |
4127
60583fb75d9e
Rewrite. Hopefully works better.
Timo Sirainen <tss@iki.fi>
parents:
3960
diff
changeset
|
455 { |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
456 int ret; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
457 |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
458 ret = SSL_write(proxy->ssl, proxy->sslout_buf, proxy->sslout_size); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
459 if (ret <= 0) |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
460 ssl_handle_error(proxy, ret, "SSL_write()"); |
4127
60583fb75d9e
Rewrite. Hopefully works better.
Timo Sirainen <tss@iki.fi>
parents:
3960
diff
changeset
|
461 else { |
7374
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
Timo Sirainen <tss@iki.fi>
parents:
7346
diff
changeset
|
462 i_free_and_null(proxy->last_error); |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
463 proxy->sslout_size -= ret; |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
464 memmove(proxy->sslout_buf, proxy->sslout_buf + ret, |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
465 proxy->sslout_size); |
4474
1ff1603403de
Second try with SSL proxy rewrite. Did some fixes since last try.
Timo Sirainen <tss@iki.fi>
parents:
4471
diff
changeset
|
466 |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
467 ssl_set_io(proxy, proxy->sslout_size > 0 ? |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
468 SSL_ADD_OUTPUT : SSL_REMOVE_OUTPUT); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
469 plain_block_input(proxy, FALSE); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
470 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
471 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
472 |
4907
5b4c9b20eba0
Replaced void *context from a lot of callbacks with the actual context
Timo Sirainen <tss@iki.fi>
parents:
4827
diff
changeset
|
473 static void ssl_step(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
|
474 { |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
475 proxy->refcount++; |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
476 |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
477 if (!proxy->handshaked) |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
478 ssl_handshake(proxy); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
479 |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
480 if (proxy->handshaked) { |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
481 if (proxy->plainout_size == sizeof(proxy->plainout_buf)) |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
482 ssl_set_io(proxy, SSL_REMOVE_INPUT); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
483 else |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
484 ssl_read(proxy); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
485 |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
486 if (proxy->sslout_size == 0) |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
487 ssl_set_io(proxy, SSL_REMOVE_OUTPUT); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
488 else { |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
489 net_set_cork(proxy->fd_ssl, TRUE); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
490 ssl_write(proxy); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
491 net_set_cork(proxy->fd_ssl, FALSE); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
492 } |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
493 } |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
494 |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
495 ssl_proxy_unref(proxy); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
496 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
497 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
498 static int ssl_proxy_new_common(SSL_CTX *ssl_ctx, int fd, struct ip_addr *ip, |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
499 struct ssl_proxy **proxy_r) |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
500 { |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
501 struct ssl_proxy *proxy; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
502 SSL *ssl; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
503 int sfd[2]; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
504 |
4664 | 505 i_assert(fd != -1); |
506 | |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
507 *proxy_r = NULL; |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
508 |
2679
8f7b01c29bcb
Show clear error messages if --ssl is tried to be used but it's not
Timo Sirainen <tss@iki.fi>
parents:
2629
diff
changeset
|
509 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:
2629
diff
changeset
|
510 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
|
511 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:
2629
diff
changeset
|
512 } |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
513 |
3888
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
514 ssl_refresh_parameters(&ssl_params); |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
515 |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
516 ssl = SSL_new(ssl_ctx); |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
517 if (ssl == NULL) { |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
518 i_error("SSL_new() failed: %s", ssl_last_error()); |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
519 return -1; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
520 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
521 |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
522 if (SSL_set_fd(ssl, fd) != 1) { |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
523 i_error("SSL_set_fd() failed: %s", ssl_last_error()); |
1457 | 524 SSL_free(ssl); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
525 return -1; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
526 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
527 |
4664 | 528 if (socketpair(AF_UNIX, SOCK_STREAM, 0, sfd) < 0) { |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
529 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
|
530 SSL_free(ssl); |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
531 return -1; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
532 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
533 |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
534 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
|
535 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
|
536 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
|
537 |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
538 proxy = i_new(struct ssl_proxy, 1); |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
539 proxy->refcount = 2; |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
540 proxy->ssl = ssl; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
541 proxy->fd_ssl = fd; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
542 proxy->fd_plain = sfd[0]; |
1235 | 543 proxy->ip = *ip; |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
544 SSL_set_ex_data(ssl, extdata_index, proxy); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
545 |
7119
8c6a7af67e8c
Replaced clients hash with a linked list.
Timo Sirainen <tss@iki.fi>
parents:
7086
diff
changeset
|
546 ssl_proxy_count++; |
8c6a7af67e8c
Replaced clients hash with a linked list.
Timo Sirainen <tss@iki.fi>
parents:
7086
diff
changeset
|
547 DLLIST_PREPEND(&ssl_proxies, proxy); |
1544
ac6ee442376d
OpenSSL proxy changes - hopefully fixes something. Also don't crash with
Timo Sirainen <tss@iki.fi>
parents:
1492
diff
changeset
|
548 |
4474
1ff1603403de
Second try with SSL proxy rewrite. Did some fixes since last try.
Timo Sirainen <tss@iki.fi>
parents:
4471
diff
changeset
|
549 main_ref(); |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
550 |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
551 *proxy_r = proxy; |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
552 return sfd[1]; |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
553 } |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
554 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
555 int ssl_proxy_new(int fd, struct ip_addr *ip, struct ssl_proxy **proxy_r) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
556 { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
557 int ret; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
558 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
559 if ((ret = ssl_proxy_new_common(ssl_server_ctx, fd, ip, proxy_r)) < 0) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
560 return -1; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
561 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
562 ssl_step(*proxy_r); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
563 return ret; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
564 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
565 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
566 int ssl_proxy_client_new(int fd, struct ip_addr *ip, |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
567 ssl_handshake_callback_t *callback, void *context, |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
568 struct ssl_proxy **proxy_r) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
569 { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
570 int ret; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
571 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
572 if ((ret = ssl_proxy_new_common(ssl_client_ctx, fd, ip, proxy_r)) < 0) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
573 return -1; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
574 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
575 (*proxy_r)->handshake_callback = callback; |
8986
d475e17d01a3
ssl-proxy: Crashfix to previous commit.
Timo Sirainen <tss@iki.fi>
parents:
8985
diff
changeset
|
576 (*proxy_r)->handshake_context = context; |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
577 (*proxy_r)->client = TRUE; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
578 ssl_step(*proxy_r); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
579 return ret; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
580 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
581 |
7912
81806d402514
Added more consts, ATTR_CONSTs and ATTR_PUREs.
Timo Sirainen <tss@iki.fi>
parents:
7508
diff
changeset
|
582 bool ssl_proxy_has_valid_client_cert(const struct ssl_proxy *proxy) |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
583 { |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
584 return proxy->cert_received && !proxy->cert_broken; |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
585 } |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
586 |
8302
0db37acdc59f
Login process: Log auth failure reasons better in disconnect message.
Timo Sirainen <tss@iki.fi>
parents:
8224
diff
changeset
|
587 bool ssl_proxy_has_broken_client_cert(struct ssl_proxy *proxy) |
0db37acdc59f
Login process: Log auth failure reasons better in disconnect message.
Timo Sirainen <tss@iki.fi>
parents:
8224
diff
changeset
|
588 { |
0db37acdc59f
Login process: Log auth failure reasons better in disconnect message.
Timo Sirainen <tss@iki.fi>
parents:
8224
diff
changeset
|
589 return proxy->cert_received && proxy->cert_broken; |
0db37acdc59f
Login process: Log auth failure reasons better in disconnect message.
Timo Sirainen <tss@iki.fi>
parents:
8224
diff
changeset
|
590 } |
0db37acdc59f
Login process: Log auth failure reasons better in disconnect message.
Timo Sirainen <tss@iki.fi>
parents:
8224
diff
changeset
|
591 |
3635
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
592 const char *ssl_proxy_get_peer_name(struct ssl_proxy *proxy) |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
593 { |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
594 X509 *x509; |
9283
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
Timo Sirainen <tss@iki.fi>
parents:
8986
diff
changeset
|
595 char *name; |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
Timo Sirainen <tss@iki.fi>
parents:
8986
diff
changeset
|
596 int len; |
3635
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
597 |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
598 if (!ssl_proxy_has_valid_client_cert(proxy)) |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
599 return NULL; |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
600 |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
601 x509 = SSL_get_peer_certificate(proxy->ssl); |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
602 if (x509 == NULL) |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
3584
diff
changeset
|
603 return NULL; /* we should have had it.. */ |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
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|
604 |
9283
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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605 len = X509_NAME_get_text_by_NID(X509_get_subject_name(x509), |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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|
606 ssl_username_nid, NULL, 0); |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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|
607 if (len < 0) |
4352
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
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4131
diff
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|
608 name = ""; |
9283
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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609 else { |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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|
610 name = t_malloc(len + 1); |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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|
611 if (X509_NAME_get_text_by_NID(X509_get_subject_name(x509), |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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|
612 ssl_username_nid, name, len + 1) < 0) |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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|
613 name = ""; |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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614 else if (strlen(name) != (size_t)len) { |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
Timo Sirainen <tss@iki.fi>
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|
615 /* NUL characters in name. Someone's trying to fake |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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|
616 being another user? Don't allow it. */ |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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617 name = ""; |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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618 } |
0de21e725d4e
ssl_username_from_cert=yes: Don't truncate username, don't allow NULs in it.
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parents:
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diff
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|
619 } |
3635
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
Timo Sirainen <tss@iki.fi>
parents:
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|
620 X509_free(x509); |
4352
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
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4131
diff
changeset
|
621 |
3635
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
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diff
changeset
|
622 return *name == '\0' ? NULL : name; |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
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|
623 } |
c12df370e1b2
Added ssl_username_from_cert setting. Not actually tested yet..
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624 |
7912
81806d402514
Added more consts, ATTR_CONSTs and ATTR_PUREs.
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7508
diff
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|
625 bool ssl_proxy_is_handshaked(const struct ssl_proxy *proxy) |
4570
cbbe2377f591
If SSL/TLS handshake didn't finish, show "TLS handshaking" instead of "TLS"
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diff
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626 { |
cbbe2377f591
If SSL/TLS handshake didn't finish, show "TLS handshaking" instead of "TLS"
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627 return proxy->handshaked; |
cbbe2377f591
If SSL/TLS handshake didn't finish, show "TLS handshaking" instead of "TLS"
Timo Sirainen <tss@iki.fi>
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628 } |
cbbe2377f591
If SSL/TLS handshake didn't finish, show "TLS handshaking" instead of "TLS"
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629 |
7912
81806d402514
Added more consts, ATTR_CONSTs and ATTR_PUREs.
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diff
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|
630 const char *ssl_proxy_get_last_error(const struct ssl_proxy *proxy) |
7374
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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7346
diff
changeset
|
631 { |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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parents:
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632 return proxy->last_error; |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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|
633 } |
0bb3fc72a74f
If TLS connection closes with anything except a clean disconnection, log the
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diff
changeset
|
634 |
8122
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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diff
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|
635 const char *ssl_proxy_get_security_string(struct ssl_proxy *proxy) |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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parents:
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|
636 { |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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parents:
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|
637 SSL_CIPHER *cipher; |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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|
638 int bits, alg_bits; |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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parents:
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diff
changeset
|
639 |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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parents:
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diff
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|
640 if (!proxy->handshaked) |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
641 return ""; |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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parents:
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diff
changeset
|
642 |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
643 cipher = SSL_get_current_cipher(proxy->ssl); |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
Timo Sirainen <tss@iki.fi>
parents:
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|
644 bits = SSL_CIPHER_get_bits(cipher, &alg_bits); |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
Timo Sirainen <tss@iki.fi>
parents:
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|
645 return t_strdup_printf("%s with cipher %s (%d/%d bits)", |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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diff
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|
646 SSL_get_version(proxy->ssl), |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
Timo Sirainen <tss@iki.fi>
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diff
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|
647 SSL_CIPHER_get_name(cipher), |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
648 bits, alg_bits); |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
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parents:
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diff
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|
649 } |
3917bf9cf311
login_log_format_elements: Added %k to show SSL protocol/cipher information.
Timo Sirainen <tss@iki.fi>
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7912
diff
changeset
|
650 |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
651 void ssl_proxy_free(struct ssl_proxy *proxy) |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
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2007
diff
changeset
|
652 { |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
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parents:
2007
diff
changeset
|
653 ssl_proxy_unref(proxy); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
654 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
655 |
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
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3635
diff
changeset
|
656 static void ssl_proxy_unref(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
|
657 { |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
658 if (--proxy->refcount > 0) |
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
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3635
diff
changeset
|
659 return; |
1490 | 660 i_assert(proxy->refcount == 0); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
661 |
2302
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
Timo Sirainen <tss@iki.fi>
parents:
2027
diff
changeset
|
662 SSL_free(proxy->ssl); |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
Timo Sirainen <tss@iki.fi>
parents:
2027
diff
changeset
|
663 i_free(proxy); |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
664 |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
665 main_unref(); |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
666 } |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
667 |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
668 static void ssl_proxy_destroy(struct ssl_proxy *proxy) |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
Timo Sirainen <tss@iki.fi>
parents:
2027
diff
changeset
|
669 { |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
670 if (proxy->destroyed) |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
671 return; |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
672 proxy->destroyed = TRUE; |
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
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parents:
2027
diff
changeset
|
673 |
7119
8c6a7af67e8c
Replaced clients hash with a linked list.
Timo Sirainen <tss@iki.fi>
parents:
7086
diff
changeset
|
674 ssl_proxy_count--; |
8c6a7af67e8c
Replaced clients hash with a linked list.
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parents:
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diff
changeset
|
675 DLLIST_REMOVE(&ssl_proxies, proxy); |
1230
e6d2b8c78519
Keep list of the SSL proxies, so they're deinitialized properly if we have
Timo Sirainen <tss@iki.fi>
parents:
1215
diff
changeset
|
676 |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
677 if (proxy->io_ssl_read != NULL) |
9d9e72374164
Fixes to login process handling, especially with
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parents:
4506
diff
changeset
|
678 io_remove(&proxy->io_ssl_read); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
679 if (proxy->io_ssl_write != NULL) |
9d9e72374164
Fixes to login process handling, especially with
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parents:
4506
diff
changeset
|
680 io_remove(&proxy->io_ssl_write); |
9d9e72374164
Fixes to login process handling, especially with
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parents:
4506
diff
changeset
|
681 if (proxy->io_plain_read != NULL) |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
682 io_remove(&proxy->io_plain_read); |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
683 if (proxy->io_plain_write != NULL) |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
684 io_remove(&proxy->io_plain_write); |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
685 |
7346 | 686 (void)SSL_shutdown(proxy->ssl); |
687 | |
3960
aeb424e64f24
Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents:
3889
diff
changeset
|
688 (void)net_disconnect(proxy->fd_ssl); |
aeb424e64f24
Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents:
3889
diff
changeset
|
689 (void)net_disconnect(proxy->fd_plain); |
aeb424e64f24
Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents:
3889
diff
changeset
|
690 |
2302
8438064ddf08
Refcounting fixes. Unexpectedly destroyed SSL connection could have left
Timo Sirainen <tss@iki.fi>
parents:
2027
diff
changeset
|
691 ssl_proxy_unref(proxy); |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
692 |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
693 main_listen_start(); |
1458
98362534b2c7
Unexpected SSL connection errors sometimes crashed
Timo Sirainen <tss@iki.fi>
parents:
1457
diff
changeset
|
694 } |
98362534b2c7
Unexpected SSL connection errors sometimes crashed
Timo Sirainen <tss@iki.fi>
parents:
1457
diff
changeset
|
695 |
6411
6a64e64fa3a3
Renamed __attr_*__ to ATTR_*. Renamed __attrs_used__ to ATTRS_DEFINED.
Timo Sirainen <tss@iki.fi>
parents:
6364
diff
changeset
|
696 static RSA *ssl_gen_rsa_key(SSL *ssl ATTR_UNUSED, |
6a64e64fa3a3
Renamed __attr_*__ to ATTR_*. Renamed __attrs_used__ to ATTRS_DEFINED.
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6364
diff
changeset
|
697 int is_export ATTR_UNUSED, int keylength) |
1492
383d87166963
Generate temporary RSA key when requested. Could be slow, should do some
Timo Sirainen <tss@iki.fi>
parents:
1490
diff
changeset
|
698 { |
383d87166963
Generate temporary RSA key when requested. Could be slow, should do some
Timo Sirainen <tss@iki.fi>
parents:
1490
diff
changeset
|
699 return RSA_generate_key(keylength, RSA_F4, NULL, NULL); |
383d87166963
Generate temporary RSA key when requested. Could be slow, should do some
Timo Sirainen <tss@iki.fi>
parents:
1490
diff
changeset
|
700 } |
383d87166963
Generate temporary RSA key when requested. Could be slow, should do some
Timo Sirainen <tss@iki.fi>
parents:
1490
diff
changeset
|
701 |
6411
6a64e64fa3a3
Renamed __attr_*__ to ATTR_*. Renamed __attrs_used__ to ATTRS_DEFINED.
Timo Sirainen <tss@iki.fi>
parents:
6364
diff
changeset
|
702 static DH *ssl_tmp_dh_callback(SSL *ssl ATTR_UNUSED, |
3888
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
703 int is_export, int keylength) |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
704 { |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
705 /* Well, I'm not exactly sure why the logic in here is this. |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
706 It's the same as in Postfix, so it can't be too wrong. */ |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
707 if (is_export && keylength == 512 && ssl_params.dh_512 != NULL) |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
708 return ssl_params.dh_512; |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
709 |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
710 return ssl_params.dh_1024; |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
711 } |
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
Timo Sirainen <tss@iki.fi>
parents:
3879
diff
changeset
|
712 |
4471
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
713 static void ssl_info_callback(const SSL *ssl, int where, int ret) |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
714 { |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
715 struct ssl_proxy *proxy; |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
716 |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
717 proxy = SSL_get_ex_data(ssl, extdata_index); |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
718 |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
719 if ((where & SSL_CB_ALERT) != 0) { |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
720 i_warning("SSL alert: where=0x%x, ret=%d: %s %s [%s]", |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
721 where, ret, SSL_alert_type_string_long(ret), |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
722 SSL_alert_desc_string_long(ret), |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
723 net_ip2addr(&proxy->ip)); |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
724 } else { |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
725 i_warning("SSL BIO failed: where=0x%x, ret=%d: %s [%s]", |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
726 where, ret, SSL_state_string_long(ssl), |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
727 net_ip2addr(&proxy->ip)); |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
728 } |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
729 } |
a939ee143a96
If verbose_ssl=yes set ssl_info_callback and print any alerts and BIO
Timo Sirainen <tss@iki.fi>
parents:
4352
diff
changeset
|
730 |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
731 static int ssl_verify_client_cert(int preverify_ok, X509_STORE_CTX *ctx) |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
732 { |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
733 SSL *ssl; |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
734 struct ssl_proxy *proxy; |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
735 |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
736 ssl = X509_STORE_CTX_get_ex_data(ctx, |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
737 SSL_get_ex_data_X509_STORE_CTX_idx()); |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
738 proxy = SSL_get_ex_data(ssl, extdata_index); |
4352
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
739 proxy->cert_received = TRUE; |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
740 |
4352
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
741 if (verbose_ssl || (verbose_auth && !preverify_ok)) { |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
742 char buf[1024]; |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
743 X509_NAME *subject; |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
744 |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
745 subject = X509_get_subject_name(ctx->current_cert); |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
746 (void)X509_NAME_oneline(subject, buf, sizeof(buf)); |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
747 buf[sizeof(buf)-1] = '\0'; /* just in case.. */ |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
748 if (!preverify_ok) |
4695
07afd19bc53e
Updates to ssl_ca_file and ssl_username_from_cert comments in
Timo Sirainen <tss@iki.fi>
parents:
4664
diff
changeset
|
749 i_info("Invalid certificate: %s: %s", X509_verify_cert_error_string(ctx->error),buf); |
4352
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
750 else |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
751 i_info("Valid certificate: %s", buf); |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
752 } |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
753 if (!preverify_ok) |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
754 proxy->cert_broken = TRUE; |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
755 |
4352
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
756 /* Return success anyway, because if ssl_require_client_cert=no we |
d57c83c64b20
Updates to ssl_verify_client_cert: Check CRLs. If auth_verbose=yes, log
Timo Sirainen <tss@iki.fi>
parents:
4131
diff
changeset
|
757 could still allow authentication. */ |
2027
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
758 return 1; |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
759 } |
dc5d0da1abe9
Added ssl_require_client_cert auth-specific setting. Hide
Timo Sirainen <tss@iki.fi>
parents:
2007
diff
changeset
|
760 |
3889
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
761 static int |
6411
6a64e64fa3a3
Renamed __attr_*__ to ATTR_*. Renamed __attrs_used__ to ATTRS_DEFINED.
Timo Sirainen <tss@iki.fi>
parents:
6364
diff
changeset
|
762 pem_password_callback(char *buf, int size, int rwflag ATTR_UNUSED, |
3889
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
763 void *userdata) |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
764 { |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
765 if (userdata == NULL) { |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
766 i_error("SSL private key file is password protected, " |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
767 "but password isn't given"); |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
768 return 0; |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
769 } |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
770 |
6422
18173a52f721
Renamed strocpy() to i_strocpy().
Timo Sirainen <tss@iki.fi>
parents:
6417
diff
changeset
|
771 if (i_strocpy(buf, userdata, size) < 0) |
3889
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
772 return 0; |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
773 return strlen(buf); |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
774 } |
c7462001227b
Added support for password protected SSL private keys. The password can be
Timo Sirainen <tss@iki.fi>
parents:
3888
diff
changeset
|
775 |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
776 unsigned int ssl_proxy_get_count(void) |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
777 { |
7119
8c6a7af67e8c
Replaced clients hash with a linked list.
Timo Sirainen <tss@iki.fi>
parents:
7086
diff
changeset
|
778 return ssl_proxy_count; |
4538
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
779 } |
9d9e72374164
Fixes to login process handling, especially with
Timo Sirainen <tss@iki.fi>
parents:
4506
diff
changeset
|
780 |
8224
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
781 static bool is_pem_key_file(const char *path) |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
782 { |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
783 char buf[4096]; |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
784 int fd, ret; |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
785 |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
786 /* this code is used only for giving a better error message, |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
787 so it needs to catch only the normal key files */ |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
788 fd = open(path, O_RDONLY); |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
789 if (fd == -1) |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
790 return FALSE; |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
791 ret = read(fd, buf, sizeof(buf)-1); |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
792 close(fd); |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
793 if (ret <= 0) |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
794 return FALSE; |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
795 buf[ret] = '\0'; |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
796 return strstr(buf, "PRIVATE KEY---") != NULL; |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
797 } |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
798 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
799 static void ssl_proxy_ctx_init(SSL_CTX *ssl_ctx) |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
800 { |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
801 const char *cafile; |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
802 |
1544
ac6ee442376d
OpenSSL proxy changes - hopefully fixes something. Also don't crash with
Timo Sirainen <tss@iki.fi>
parents:
1492
diff
changeset
|
803 SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL); |
ac6ee442376d
OpenSSL proxy changes - hopefully fixes something. Also don't crash with
Timo Sirainen <tss@iki.fi>
parents:
1492
diff
changeset
|
804 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
805 cafile = getenv("SSL_CA_FILE"); |
1907
190f1d315ce6
Added setting ssl_ca_file, patch by Zach Bagnall
Timo Sirainen <tss@iki.fi>
parents:
1897
diff
changeset
|
806 if (cafile != NULL) { |
190f1d315ce6
Added setting ssl_ca_file, patch by Zach Bagnall
Timo Sirainen <tss@iki.fi>
parents:
1897
diff
changeset
|
807 if (SSL_CTX_load_verify_locations(ssl_ctx, cafile, NULL) != 1) { |
190f1d315ce6
Added setting ssl_ca_file, patch by Zach Bagnall
Timo Sirainen <tss@iki.fi>
parents:
1897
diff
changeset
|
808 i_fatal("Can't load CA file %s: %s", |
190f1d315ce6
Added setting ssl_ca_file, patch by Zach Bagnall
Timo Sirainen <tss@iki.fi>
parents:
1897
diff
changeset
|
809 cafile, ssl_last_error()); |
190f1d315ce6
Added setting ssl_ca_file, patch by Zach Bagnall
Timo Sirainen <tss@iki.fi>
parents:
1897
diff
changeset
|
810 } |
190f1d315ce6
Added setting ssl_ca_file, patch by Zach Bagnall
Timo Sirainen <tss@iki.fi>
parents:
1897
diff
changeset
|
811 } |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
812 if (verbose_ssl) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
813 SSL_CTX_set_info_callback(ssl_ctx, ssl_info_callback); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
814 if (SSL_CTX_need_tmp_RSA(ssl_ctx)) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
815 SSL_CTX_set_tmp_rsa_callback(ssl_ctx, ssl_gen_rsa_key); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
816 SSL_CTX_set_tmp_dh_callback(ssl_ctx, ssl_tmp_dh_callback); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
817 } |
1907
190f1d315ce6
Added setting ssl_ca_file, patch by Zach Bagnall
Timo Sirainen <tss@iki.fi>
parents:
1897
diff
changeset
|
818 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
819 static void ssl_proxy_ctx_verify_client(SSL_CTX *ssl_ctx) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
820 { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
821 const char *cafile; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
822 #if OPENSSL_VERSION_NUMBER >= 0x00907000L |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
823 X509_STORE *store; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
824 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
825 store = SSL_CTX_get_cert_store(ssl_ctx); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
826 X509_STORE_set_flags(store, X509_V_FLAG_CRL_CHECK | |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
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diff
changeset
|
827 X509_V_FLAG_CRL_CHECK_ALL); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
828 #endif |
f43bebab3dac
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parents:
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diff
changeset
|
829 cafile = getenv("SSL_CA_FILE"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
830 SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
831 ssl_verify_client_cert); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
832 SSL_CTX_set_client_CA_list(ssl_ctx, SSL_load_client_CA_file(cafile)); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
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parents:
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diff
changeset
|
833 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
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parents:
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diff
changeset
|
834 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
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parents:
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diff
changeset
|
835 static void ssl_proxy_init_server(const char *certfile, const char *keyfile) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
836 { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
837 const char *cipher_list, *username_field; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
838 char *password; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
839 unsigned long err; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
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parents:
8935
diff
changeset
|
840 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
841 password = getenv("SSL_KEY_PASSWORD"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
842 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
843 if ((ssl_server_ctx = SSL_CTX_new(SSLv23_server_method())) == NULL) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
844 i_fatal("SSL_CTX_new() failed"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
845 ssl_proxy_ctx_init(ssl_server_ctx); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
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parents:
8935
diff
changeset
|
846 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
847 cipher_list = getenv("SSL_CIPHER_LIST"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
848 if (cipher_list == NULL) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
849 cipher_list = DOVECOT_SSL_DEFAULT_CIPHER_LIST; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
850 if (SSL_CTX_set_cipher_list(ssl_server_ctx, cipher_list) != 1) { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
851 i_fatal("Can't set cipher list to '%s': %s", |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
852 cipher_list, ssl_last_error()); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
853 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
854 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
855 if (SSL_CTX_use_certificate_chain_file(ssl_server_ctx, certfile) != 1) { |
8224
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
856 err = ERR_peek_error(); |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
857 if (ERR_GET_LIB(err) != ERR_LIB_PEM || |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
858 ERR_GET_REASON(err) != PEM_R_NO_START_LINE) { |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
859 i_fatal("Can't load certificate file %s: %s", |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
860 certfile, ssl_last_error()); |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
861 } else if (is_pem_key_file(certfile)) { |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
862 i_fatal("Can't load certificate file %s: " |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
863 "The file contains a private key " |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
864 "(you've mixed ssl_cert_file and ssl_key_file settings)", |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
865 certfile); |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
866 } else { |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
867 i_fatal("Can't load certificate file %s: " |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
868 "The file doesn't contain a certificate.", |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
869 certfile); |
7ac86b33ad64
Log a better error message if ssl_cert_file doesn't point to a valid certificate.
Timo Sirainen <tss@iki.fi>
parents:
8122
diff
changeset
|
870 } |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
871 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
872 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
873 SSL_CTX_set_default_passwd_cb(ssl_server_ctx, pem_password_callback); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
874 SSL_CTX_set_default_passwd_cb_userdata(ssl_server_ctx, password); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
875 if (SSL_CTX_use_PrivateKey_file(ssl_server_ctx, keyfile, |
3584
b686c8bbcd6f
Don't require private key to be RSA
Timo Sirainen <tss@iki.fi>
parents:
3580
diff
changeset
|
876 SSL_FILETYPE_PEM) != 1) { |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
877 i_fatal("Can't load private key file %s: %s", |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
878 keyfile, ssl_last_error()); |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
879 } |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
880 |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
881 if (getenv("SSL_VERIFY_CLIENT_CERT") != NULL) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
882 ssl_proxy_ctx_verify_client(ssl_server_ctx); |
1997
1d0985f6bdd9
Added ssl_verify_client_cert setting.
Timo Sirainen <tss@iki.fi>
parents:
1996
diff
changeset
|
883 |
6364
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
884 username_field = getenv("SSL_CERT_USERNAME_FIELD"); |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
885 if (username_field == NULL) |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
886 ssl_username_nid = NID_commonName; |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
887 else { |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
888 ssl_username_nid = OBJ_txt2nid(username_field); |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
889 if (ssl_username_nid == NID_undef) { |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
890 i_fatal("Invalid ssl_cert_username_field: %s", |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
891 username_field); |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
892 } |
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
893 } |
8985
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
894 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
895 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
896 static void ssl_proxy_init_client(void) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
897 { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
898 if ((ssl_client_ctx = SSL_CTX_new(SSLv23_client_method())) == NULL) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
899 i_fatal("SSL_CTX_new() failed"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
900 ssl_proxy_ctx_init(ssl_client_ctx); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
901 ssl_proxy_ctx_verify_client(ssl_client_ctx); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
902 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
903 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
904 void ssl_proxy_init(void) |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
905 { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
906 static char dovecot[] = "dovecot"; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
907 const char *certfile, *keyfile; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
908 unsigned char buf; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
909 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
910 memset(&ssl_params, 0, sizeof(ssl_params)); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
911 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
912 certfile = getenv("SSL_CERT_FILE"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
913 keyfile = getenv("SSL_KEY_FILE"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
914 ssl_params.fname = getenv("SSL_PARAM_FILE"); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
915 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
916 if (certfile == NULL || keyfile == NULL || ssl_params.fname == NULL) { |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
917 /* SSL support is disabled */ |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
918 return; |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
919 } |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
920 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
921 SSL_library_init(); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
922 SSL_load_error_strings(); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
923 |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
924 extdata_index = SSL_get_ex_new_index(0, dovecot, NULL, NULL, NULL); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
925 ssl_proxy_init_server(certfile, keyfile); |
f43bebab3dac
imap/pop3 proxy: Support SSL/TLS connections to remote servers.
Timo Sirainen <tss@iki.fi>
parents:
8935
diff
changeset
|
926 ssl_proxy_init_client(); |
6364
7ad61f00ee55
Added ssl_cert_username_field setting.
Timo Sirainen <tss@iki.fi>
parents:
5528
diff
changeset
|
927 |
1556
545f6b150e2c
Make sure PRNG gets initialized before chrooting so it can open /dev/urandom.
Timo Sirainen <tss@iki.fi>
parents:
1544
diff
changeset
|
928 /* PRNG initialization might want to use /dev/urandom, make sure it |
2007
3dd9d3165bff
Don't require initializing RAND_bytes() to return cryptographically strong
Timo Sirainen <tss@iki.fi>
parents:
1997
diff
changeset
|
929 does it before chrooting. We might not have enough entropy at |
3dd9d3165bff
Don't require initializing RAND_bytes() to return cryptographically strong
Timo Sirainen <tss@iki.fi>
parents:
1997
diff
changeset
|
930 the first try, so this function may fail. It's still been |
3dd9d3165bff
Don't require initializing RAND_bytes() to return cryptographically strong
Timo Sirainen <tss@iki.fi>
parents:
1997
diff
changeset
|
931 initialized though. */ |
3dd9d3165bff
Don't require initializing RAND_bytes() to return cryptographically strong
Timo Sirainen <tss@iki.fi>
parents:
1997
diff
changeset
|
932 (void)RAND_bytes(&buf, 1); |
1556
545f6b150e2c
Make sure PRNG gets initialized before chrooting so it can open /dev/urandom.
Timo Sirainen <tss@iki.fi>
parents:
1544
diff
changeset
|
933 |
7119
8c6a7af67e8c
Replaced clients hash with a linked list.
Timo Sirainen <tss@iki.fi>
parents:
7086
diff
changeset
|
934 ssl_proxy_count = 0; |
8c6a7af67e8c
Replaced clients hash with a linked list.
Timo Sirainen <tss@iki.fi>
parents:
7086
diff
changeset
|
935 ssl_proxies = NULL; |
1049
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
936 ssl_initialized = TRUE; |
c41787e8c3f4
Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
937 } |
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Moved common login process code to login-common, created pop3-login.
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938 |
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Moved common login process code to login-common, created pop3-login.
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939 void ssl_proxy_deinit(void) |
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940 { |
1230
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Keep list of the SSL proxies, so they're deinitialized properly if we have
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941 if (!ssl_initialized) |
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942 return; |
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Keep list of the SSL proxies, so they're deinitialized properly if we have
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943 |
7119
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Replaced clients hash with a linked list.
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944 while (ssl_proxies != NULL) |
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945 ssl_proxy_destroy(ssl_proxies); |
1232
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destroy proxies before destroying ssl context
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946 |
3888
650701d41cdf
Generate DH parameters and use them. Changed default regeneration time to 1
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947 ssl_free_parameters(&ssl_params); |
8985
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imap/pop3 proxy: Support SSL/TLS connections to remote servers.
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948 SSL_CTX_free(ssl_server_ctx); |
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parents:
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949 SSL_CTX_free(ssl_client_ctx); |
7500 | 950 EVP_cleanup(); |
951 ERR_free_strings(); | |
1049
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Moved common login process code to login-common, created pop3-login.
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parents:
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952 } |
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Timo Sirainen <tss@iki.fi>
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953 |
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Moved common login process code to login-common, created pop3-login.
Timo Sirainen <tss@iki.fi>
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954 #endif |