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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10
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90
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11
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12 typedef struct {
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13 ngx_str_t engine;
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14 } ngx_openssl_conf_t;
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28
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15
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0
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16
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38
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17 static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n);
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22
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18 static void ngx_ssl_write_handler(ngx_event_t *wev);
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19 static void ngx_ssl_read_handler(ngx_event_t *rev);
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90
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20 static void *ngx_openssl_create_conf(ngx_cycle_t *cycle);
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21 static char *ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf);
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22
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23 #if !(NGX_SSL_ENGINE)
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24 static char *ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd,
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25 void *conf);
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26 #endif
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27
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28
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29 static ngx_command_t ngx_openssl_commands[] = {
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30
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31 { ngx_string("ssl_engine"),
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32 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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33 #if (NGX_SSL_ENGINE)
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34 ngx_conf_set_str_slot,
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35 #else
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36 ngx_openssl_noengine,
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37 #endif
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38 0,
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39 offsetof(ngx_openssl_conf_t, engine),
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40 NULL },
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41
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42 ngx_null_command
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43 };
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44
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45
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46 static ngx_core_module_t ngx_openssl_module_ctx = {
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47 ngx_string("openssl"),
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48 ngx_openssl_create_conf,
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49 ngx_openssl_init_conf
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50 };
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51
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52
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53 ngx_module_t ngx_openssl_module = {
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54 NGX_MODULE_V1,
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55 &ngx_openssl_module_ctx, /* module context */
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56 ngx_openssl_commands, /* module directives */
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57 NGX_CORE_MODULE, /* module type */
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58 NULL, /* init master */
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59 NULL, /* init module */
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60 NULL, /* init process */
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61 NULL, /* init thread */
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62 NULL, /* exit thread */
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63 NULL, /* exit process */
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64 NULL, /* exit master */
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65 NGX_MODULE_V1_PADDING
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66 };
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0
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67
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68
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38
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69 ngx_int_t
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70 ngx_ssl_init(ngx_log_t *log)
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0
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71 {
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72 SSL_library_init();
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73 SSL_load_error_strings();
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90
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74
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75 #if (NGX_SSL_ENGINE)
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28
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76 ENGINE_load_builtin_engines();
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90
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77 #endif
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0
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78
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79 return NGX_OK;
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80 }
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81
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82
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38
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83 ngx_int_t
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84 ngx_ssl_create_session(ngx_ssl_ctx_t *ssl_ctx, ngx_connection_t *c,
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85 ngx_uint_t flags)
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0
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86 {
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87 ngx_ssl_t *ssl;
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88
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50
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89 ssl = ngx_pcalloc(c->pool, sizeof(ngx_ssl_t));
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90 if (ssl == NULL) {
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0
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91 return NGX_ERROR;
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92 }
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93
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50
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94 ssl->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE);
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95 if (ssl->buf == NULL) {
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0
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96 return NGX_ERROR;
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97 }
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98
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99 if (flags & NGX_SSL_BUFFER) {
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100 ssl->buffer = 1;
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101 }
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102
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103 ssl->ssl = SSL_new(ssl_ctx);
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104
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105 if (ssl->ssl == NULL) {
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106 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed");
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107 return NGX_ERROR;
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108 }
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109
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110 if (SSL_set_fd(ssl->ssl, c->fd) == 0) {
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111 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed");
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112 return NGX_ERROR;
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113 }
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114
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115 SSL_set_accept_state(ssl->ssl);
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116
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117 c->ssl = ssl;
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118
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119 return NGX_OK;
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120 }
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121
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122
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38
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123 ssize_t
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124 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size)
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0
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125 {
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38
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126 int n, bytes;
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127
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128 if (c->ssl->last == NGX_ERROR) {
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129 return NGX_ERROR;
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130 }
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131
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132 bytes = 0;
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0
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133
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38
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134 /*
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135 * SSL_read() may return data in parts, so try to read
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136 * until SSL_read() would return no data
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137 */
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138
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139 for ( ;; ) {
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0
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140
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38
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141 n = SSL_read(c->ssl->ssl, buf, size);
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142
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143 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n);
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0
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144
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38
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145 if (n > 0) {
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146
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147 bytes += n;
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28
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148
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149 #if (NGX_DEBUG)
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150
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38
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151 if (!c->ssl->handshaked && SSL_is_init_finished(c->ssl->ssl)) {
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152 char buf[129], *s, *d;
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153 SSL_CIPHER *cipher;
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28
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154
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38
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155 c->ssl->handshaked = 1;
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156
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157 cipher = SSL_get_current_cipher(c->ssl->ssl);
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158
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159 if (cipher) {
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160 SSL_CIPHER_description(cipher, &buf[1], 128);
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28
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161
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38
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162 for (s = &buf[1], d = buf; *s; s++) {
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163 if (*s == ' ' && *d == ' ') {
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164 continue;
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165 }
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28
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166
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40
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167 if (*s == LF || *s == CR) {
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38
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168 continue;
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169 }
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28
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170
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38
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171 *++d = *s;
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28
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172 }
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173
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38
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174 if (*d != ' ') {
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175 d++;
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28
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176 }
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177
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38
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178 *d = '\0';
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28
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179
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38
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180 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
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181 "SSL cipher: \"%s\"", &buf[1]);
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182 } else {
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183 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
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184 "SSL no shared ciphers");
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28
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185 }
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38
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186 }
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187 #endif
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28
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188
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38
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189 }
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190
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191 c->ssl->last = ngx_ssl_handle_recv(c, n);
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192
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193 if (c->ssl->last != NGX_OK) {
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28
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194
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38
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195 if (bytes) {
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196 return bytes;
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197
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28
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198 } else {
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38
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199 return c->ssl->last;
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28
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200 }
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201 }
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202
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38
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203 size -= n;
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204
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205 if (size == 0) {
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206 return bytes;
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207 }
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208
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209 buf += n;
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210 }
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211 }
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212
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213
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214 static ngx_int_t
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215 ngx_ssl_handle_recv(ngx_connection_t *c, int n)
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216 {
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217 int sslerr;
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218 ngx_err_t err;
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219 char *handshake;
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220
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221 if (n > 0) {
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28
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222
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22
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223 if (c->ssl->saved_write_handler) {
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224
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58
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225 c->write->handler = c->ssl->saved_write_handler;
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22
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226 c->ssl->saved_write_handler = NULL;
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227 c->write->ready = 1;
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228
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229 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
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230 return NGX_ERROR;
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231 }
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232
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233 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
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234 return NGX_ERROR;
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235 }
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236
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237 ngx_post_event(c->write);
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238
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239 ngx_mutex_unlock(ngx_posted_events_mutex);
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240 }
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241
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38
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242 return NGX_OK;
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0
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243 }
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244
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2
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245 if (!SSL_is_init_finished(c->ssl->ssl)) {
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10
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246 handshake = " in SSL handshake";
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2
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247
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248 } else {
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249 handshake = "";
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250 }
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251
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0
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252 sslerr = SSL_get_error(c->ssl->ssl, n);
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253
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254 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
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255
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256 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
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257
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258 if (sslerr == SSL_ERROR_WANT_READ) {
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4
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259 c->read->ready = 0;
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0
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260 return NGX_AGAIN;
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261 }
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262
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263 if (sslerr == SSL_ERROR_WANT_WRITE) {
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88
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264
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265 ngx_log_error(NGX_LOG_INFO, c->log, err,
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266 "client does SSL %shandshake",
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267 SSL_is_init_finished(c->ssl->ssl) ? "re" : "");
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22
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268
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269 c->write->ready = 0;
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270
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271 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
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272 return NGX_ERROR;
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273 }
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274
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275 /*
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276 * we do not set the timer because there is already the read event timer
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277 */
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278
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279 if (c->ssl->saved_write_handler == NULL) {
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58
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280 c->ssl->saved_write_handler = c->write->handler;
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281 c->write->handler = ngx_ssl_write_handler;
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22
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282 }
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283
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0
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284 return NGX_AGAIN;
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285 }
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286
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287 c->ssl->no_rcv_shut = 1;
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22
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288 c->ssl->no_send_shut = 1;
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0
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289
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290 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) {
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291 ngx_log_error(NGX_LOG_INFO, c->log, err,
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292 "client closed connection%s", handshake);
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293
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294 return NGX_ERROR;
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295 }
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296
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297 ngx_ssl_error(NGX_LOG_ALERT, c->log, err,
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298 "SSL_read() failed%s", handshake);
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299
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300 return NGX_ERROR;
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301 }
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302
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303
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38
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304 static void
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305 ngx_ssl_write_handler(ngx_event_t *wev)
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22
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306 {
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307 ngx_connection_t *c;
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308
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309 c = wev->data;
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58
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310 c->read->handler(c->read);
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22
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311 }
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312
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313
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0
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314 /*
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315 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer
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22
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316 * before the SSL_write() call to decrease a SSL overhead.
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0
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317 *
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318 * Besides for protocols such as HTTP it is possible to always buffer
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319 * the output to decrease a SSL overhead some more.
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320 */
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321
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38
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322 ngx_chain_t *
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323 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
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0
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324 {
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325 int n;
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326 ngx_uint_t flush;
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327 ssize_t send, size;
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328 ngx_buf_t *buf;
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329
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330 buf = c->ssl->buf;
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331
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332 if (in && in->next == NULL && !c->buffered && !c->ssl->buffer) {
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333
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334 /*
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335 * we avoid a buffer copy if the incoming buf is a single,
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336 * our buffer is empty, and we do not need to buffer the output
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337 */
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338
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339 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos);
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340
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341 if (n == NGX_ERROR) {
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342 return NGX_CHAIN_ERROR;
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343 }
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344
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62
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345 if (n == NGX_AGAIN) {
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346 c->buffered = 1;
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347 return in;
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0
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348 }
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349
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350 in->buf->pos += n;
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351
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352 return in;
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353 }
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354
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22
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355
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356 /* the maximum limit size is the maximum uint32_t value - the page size */
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357
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358 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) {
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359 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
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360 }
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361
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362
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0
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363 send = 0;
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364 flush = (in == NULL) ? 1 : 0;
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365
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366 for ( ;; ) {
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367
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368 while (in && buf->last < buf->end) {
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369 if (in->buf->last_buf) {
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370 flush = 1;
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371 }
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372
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373 if (ngx_buf_special(in->buf)) {
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374 in = in->next;
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375 continue;
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376 }
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377
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378 size = in->buf->last - in->buf->pos;
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379
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380 if (size > buf->end - buf->last) {
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381 size = buf->end - buf->last;
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382 }
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383
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384 /*
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385 * TODO: the taking in->buf->flush into account can be
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386 * implemented using the limit on the higher level
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387 */
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388
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389 if (send + size > limit) {
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390 size = limit - send;
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391 flush = 1;
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392 }
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393
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394 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
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395 "SSL buf copy: %d", size);
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396
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397 ngx_memcpy(buf->last, in->buf->pos, size);
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398
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399 buf->last += size;
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400
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401 in->buf->pos += size;
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402 if (in->buf->pos == in->buf->last) {
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403 in = in->next;
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404 }
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405 }
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406
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407 size = buf->last - buf->pos;
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408
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409 if (!flush && buf->last < buf->end && c->ssl->buffer) {
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410 break;
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411 }
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412
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413 n = ngx_ssl_write(c, buf->pos, size);
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414
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415 if (n == NGX_ERROR) {
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416 return NGX_CHAIN_ERROR;
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417 }
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418
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60
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419 if (n == NGX_AGAIN) {
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420 c->buffered = 1;
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421 return in;
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0
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422 }
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423
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424 buf->pos += n;
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425 send += n;
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426 c->sent += n;
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427
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428 if (n < size) {
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429 break;
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430 }
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431
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432 if (buf->pos == buf->last) {
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|
|
433 buf->pos = buf->start;
|
|
|
434 buf->last = buf->start;
|
|
|
435 }
|
|
|
436
|
|
|
437 if (in == NULL || send == limit) {
|
|
|
438 break;
|
|
|
439 }
|
|
|
440 }
|
|
|
441
|
|
|
442 c->buffered = (buf->pos < buf->last) ? 1 : 0;
|
|
|
443
|
|
|
444 return in;
|
|
|
445 }
|
|
|
446
|
|
|
447
|
|
88
|
448 ssize_t
|
|
38
|
449 ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size)
|
|
0
|
450 {
|
|
88
|
451 int n, sslerr;
|
|
|
452 ngx_err_t err;
|
|
0
|
453
|
|
|
454 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size);
|
|
|
455
|
|
|
456 n = SSL_write(c->ssl->ssl, data, size);
|
|
|
457
|
|
|
458 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n);
|
|
|
459
|
|
|
460 if (n > 0) {
|
|
88
|
461
|
|
|
462 #if (NGX_DEBUG)
|
|
|
463
|
|
|
464 if (!c->ssl->handshaked && SSL_is_init_finished(c->ssl->ssl)) {
|
|
|
465 char buf[129], *s, *d;
|
|
|
466 SSL_CIPHER *cipher;
|
|
|
467
|
|
|
468 c->ssl->handshaked = 1;
|
|
|
469
|
|
|
470 cipher = SSL_get_current_cipher(c->ssl->ssl);
|
|
|
471
|
|
|
472 if (cipher) {
|
|
|
473 SSL_CIPHER_description(cipher, &buf[1], 128);
|
|
|
474
|
|
|
475 for (s = &buf[1], d = buf; *s; s++) {
|
|
|
476 if (*s == ' ' && *d == ' ') {
|
|
|
477 continue;
|
|
|
478 }
|
|
|
479
|
|
|
480 if (*s == LF || *s == CR) {
|
|
|
481 continue;
|
|
|
482 }
|
|
|
483
|
|
|
484 *++d = *s;
|
|
|
485 }
|
|
|
486
|
|
|
487 if (*d != ' ') {
|
|
|
488 d++;
|
|
|
489 }
|
|
|
490
|
|
|
491 *d = '\0';
|
|
|
492
|
|
|
493 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
494 "SSL cipher: \"%s\"", &buf[1]);
|
|
|
495 } else {
|
|
|
496 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
497 "SSL no shared ciphers");
|
|
|
498 }
|
|
|
499 }
|
|
|
500 #endif
|
|
|
501
|
|
22
|
502 if (c->ssl->saved_read_handler) {
|
|
|
503
|
|
58
|
504 c->read->handler = c->ssl->saved_read_handler;
|
|
22
|
505 c->ssl->saved_read_handler = NULL;
|
|
|
506 c->read->ready = 1;
|
|
|
507
|
|
|
508 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
509 return NGX_ERROR;
|
|
|
510 }
|
|
|
511
|
|
|
512 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
513 return NGX_ERROR;
|
|
|
514 }
|
|
|
515
|
|
|
516 ngx_post_event(c->read);
|
|
|
517
|
|
|
518 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
519 }
|
|
|
520
|
|
0
|
521 return n;
|
|
|
522 }
|
|
|
523
|
|
|
524 sslerr = SSL_get_error(c->ssl->ssl, n);
|
|
|
525
|
|
|
526 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0;
|
|
|
527
|
|
|
528 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr);
|
|
|
529
|
|
|
530 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
531 c->write->ready = 0;
|
|
|
532 return NGX_AGAIN;
|
|
|
533 }
|
|
|
534
|
|
|
535 if (sslerr == SSL_ERROR_WANT_READ) {
|
|
2
|
536
|
|
88
|
537 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
538 "client does SSL %shandshake",
|
|
|
539 SSL_is_init_finished(c->ssl->ssl) ? "re" : "");
|
|
22
|
540
|
|
|
541 c->read->ready = 0;
|
|
|
542
|
|
|
543 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
544 return NGX_ERROR;
|
|
|
545 }
|
|
|
546
|
|
|
547 /*
|
|
|
548 * we do not set the timer because there is already
|
|
|
549 * the write event timer
|
|
|
550 */
|
|
|
551
|
|
|
552 if (c->ssl->saved_read_handler == NULL) {
|
|
58
|
553 c->ssl->saved_read_handler = c->read->handler;
|
|
|
554 c->read->handler = ngx_ssl_read_handler;
|
|
22
|
555 }
|
|
|
556
|
|
0
|
557 return NGX_AGAIN;
|
|
|
558 }
|
|
|
559
|
|
|
560 c->ssl->no_rcv_shut = 1;
|
|
22
|
561 c->ssl->no_send_shut = 1;
|
|
0
|
562
|
|
|
563 ngx_ssl_error(NGX_LOG_ALERT, c->log, err, "SSL_write() failed");
|
|
|
564
|
|
|
565 return NGX_ERROR;
|
|
|
566 }
|
|
|
567
|
|
|
568
|
|
38
|
569 static void
|
|
|
570 ngx_ssl_read_handler(ngx_event_t *rev)
|
|
22
|
571 {
|
|
|
572 ngx_connection_t *c;
|
|
|
573
|
|
|
574 c = rev->data;
|
|
58
|
575 c->write->handler(c->write);
|
|
22
|
576 }
|
|
|
577
|
|
|
578
|
|
38
|
579 ngx_int_t
|
|
|
580 ngx_ssl_shutdown(ngx_connection_t *c)
|
|
0
|
581 {
|
|
22
|
582 int n, sslerr, mode;
|
|
0
|
583 ngx_uint_t again;
|
|
|
584
|
|
22
|
585 if (!c->ssl->shutdown_set) {
|
|
|
586
|
|
|
587 /* it seems that SSL_set_shutdown() could be called once only */
|
|
|
588
|
|
|
589 if (c->read->timedout) {
|
|
|
590 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN;
|
|
0
|
591
|
|
22
|
592 } else {
|
|
|
593 mode = 0;
|
|
|
594
|
|
|
595 if (c->ssl->no_rcv_shut) {
|
|
|
596 mode = SSL_RECEIVED_SHUTDOWN;
|
|
|
597 }
|
|
|
598
|
|
|
599 if (c->ssl->no_send_shut) {
|
|
|
600 mode |= SSL_SENT_SHUTDOWN;
|
|
|
601 }
|
|
0
|
602 }
|
|
|
603
|
|
22
|
604 if (mode) {
|
|
|
605 SSL_set_shutdown(c->ssl->ssl, mode);
|
|
|
606 c->ssl->shutdown_set = 1;
|
|
0
|
607 }
|
|
|
608 }
|
|
|
609
|
|
|
610 again = 0;
|
|
10
|
611 #if (NGX_SUPPRESS_WARN)
|
|
|
612 sslerr = 0;
|
|
|
613 #endif
|
|
0
|
614
|
|
|
615 for ( ;; ) {
|
|
|
616 n = SSL_shutdown(c->ssl->ssl);
|
|
|
617
|
|
|
618 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n);
|
|
|
619
|
|
22
|
620 if (n == 1 || (n == 0 && c->read->timedout)) {
|
|
|
621 SSL_free(c->ssl->ssl);
|
|
|
622 c->ssl = NULL;
|
|
|
623 return NGX_OK;
|
|
|
624 }
|
|
|
625
|
|
0
|
626 if (n == 0) {
|
|
|
627 again = 1;
|
|
|
628 break;
|
|
|
629 }
|
|
|
630
|
|
|
631 break;
|
|
|
632 }
|
|
|
633
|
|
|
634 if (!again) {
|
|
|
635 sslerr = SSL_get_error(c->ssl->ssl, n);
|
|
|
636
|
|
|
637 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
|
638 "SSL_get_error: %d", sslerr);
|
|
|
639 }
|
|
|
640
|
|
|
641 if (again || sslerr == SSL_ERROR_WANT_READ) {
|
|
|
642
|
|
22
|
643 ngx_add_timer(c->read, 30000);
|
|
0
|
644
|
|
|
645 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
|
|
|
646 return NGX_ERROR;
|
|
|
647 }
|
|
|
648
|
|
|
649 return NGX_AGAIN;
|
|
|
650 }
|
|
|
651
|
|
|
652 if (sslerr == SSL_ERROR_WANT_WRITE) {
|
|
|
653
|
|
|
654 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
|
|
|
655 return NGX_ERROR;
|
|
|
656 }
|
|
|
657
|
|
|
658 return NGX_AGAIN;
|
|
|
659 }
|
|
|
660
|
|
|
661 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_shutdown() failed");
|
|
|
662
|
|
|
663 return NGX_ERROR;
|
|
|
664 }
|
|
|
665
|
|
|
666
|
|
38
|
667 void
|
|
|
668 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...)
|
|
0
|
669 {
|
|
10
|
670 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last;
|
|
|
671 va_list args;
|
|
|
672
|
|
|
673 last = errstr + NGX_MAX_CONF_ERRSTR;
|
|
0
|
674
|
|
|
675 va_start(args, fmt);
|
|
10
|
676 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
|
|
0
|
677 va_end(args);
|
|
|
678
|
|
50
|
679 p = ngx_cpystrn(p, (u_char *) " (SSL: ", last - p);
|
|
0
|
680
|
|
10
|
681 ERR_error_string_n(ERR_get_error(), (char *) p, last - p);
|
|
0
|
682
|
|
|
683 ngx_log_error(level, log, err, "%s)", errstr);
|
|
|
684 }
|
|
58
|
685
|
|
|
686
|
|
|
687 void
|
|
|
688 ngx_ssl_cleanup_ctx(void *data)
|
|
|
689 {
|
|
|
690 SSL_CTX *ctx = data;
|
|
|
691
|
|
|
692 SSL_CTX_free(ctx);
|
|
|
693 }
|
|
90
|
694
|
|
|
695
|
|
|
696 static void *
|
|
|
697 ngx_openssl_create_conf(ngx_cycle_t *cycle)
|
|
|
698 {
|
|
|
699 ngx_openssl_conf_t *oscf;
|
|
|
700
|
|
|
701 oscf = ngx_pcalloc(cycle->pool, sizeof(ngx_openssl_conf_t));
|
|
|
702 if (oscf == NULL) {
|
|
|
703 return NGX_CONF_ERROR;
|
|
|
704 }
|
|
|
705
|
|
|
706 /*
|
|
|
707 * set by ngx_pcalloc():
|
|
|
708 *
|
|
|
709 * oscf->engine.len = 0;
|
|
|
710 * oscf->engine.data = NULL;
|
|
|
711 */
|
|
|
712
|
|
|
713 return oscf;
|
|
|
714 }
|
|
|
715
|
|
|
716
|
|
|
717 static char *
|
|
|
718 ngx_openssl_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
|
719 {
|
|
|
720 #if (NGX_SSL_ENGINE)
|
|
|
721 ngx_openssl_conf_t *oscf = conf;
|
|
|
722
|
|
|
723 ENGINE *engine;
|
|
|
724
|
|
|
725 if (oscf->engine.len == 0) {
|
|
|
726 return NGX_CONF_OK;
|
|
|
727 }
|
|
|
728
|
|
|
729 engine = ENGINE_by_id((const char *) oscf->engine.data);
|
|
|
730
|
|
|
731 if (engine == NULL) {
|
|
|
732 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
733 "ENGINE_by_id(\"%V\") failed", &oscf->engine);
|
|
|
734 return NGX_CONF_ERROR;
|
|
|
735 }
|
|
|
736
|
|
|
737 if (ENGINE_set_default(engine, ENGINE_METHOD_ALL) == 0) {
|
|
|
738 ngx_ssl_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
739 "ENGINE_set_default(\"%V\", ENGINE_METHOD_ALL) failed",
|
|
|
740 &oscf->engine);
|
|
|
741 return NGX_CONF_ERROR;
|
|
|
742 }
|
|
|
743
|
|
|
744 ENGINE_free(engine);
|
|
|
745
|
|
|
746 #endif
|
|
|
747
|
|
|
748 return NGX_CONF_OK;
|
|
|
749 }
|
|
|
750
|
|
|
751
|
|
|
752 #if !(NGX_SSL_ENGINE)
|
|
|
753
|
|
|
754 static char *
|
|
|
755 ngx_openssl_noengine(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
756 {
|
|
|
757 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
758 "\"ssl_engine\" is not supported: " NGX_SSL_NAME
|
|
|
759 " library does not support crypto accelerators");
|
|
|
760
|
|
|
761 return NGX_CONF_ERROR;
|
|
|
762 }
|
|
|
763
|
|
|
764 #endif
|
