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76
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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 #include <ngx_imap.h>
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11
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12
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13 static void ngx_imap_init_session(ngx_event_t *rev);
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90
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14 static void ngx_imap_init_protocol(ngx_event_t *rev);
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76
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15 static ngx_int_t ngx_imap_read_command(ngx_imap_session_t *s);
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90
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16 static u_char *ngx_imap_log_error(ngx_log_t *log, u_char *buf, size_t len);
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76
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17
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88
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18 #if (NGX_IMAP_SSL)
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19 static void ngx_imap_ssl_close_handler(ngx_event_t *ev);
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20 #endif
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21
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76
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22
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23 static ngx_str_t greetings[] = {
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24 ngx_string("+OK POP3 ready" CRLF),
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78
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25 ngx_string("* OK IMAP4 ready" CRLF)
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76
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26 };
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27
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28 static ngx_str_t internal_server_errors[] = {
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29 ngx_string("-ERR internal server error" CRLF),
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30 ngx_string("* BAD internal server error" CRLF),
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31 };
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32
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33 static u_char pop3_ok[] = "+OK" CRLF;
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34 static u_char pop3_invalid_command[] = "-ERR invalid command" CRLF;
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35
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78
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36 static u_char imap_ok[] = "OK completed" CRLF;
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76
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37 static u_char imap_next[] = "+ OK" CRLF;
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38 static u_char imap_bye[] = "* BYE" CRLF;
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39 static u_char imap_invalid_command[] = "BAD invalid command" CRLF;
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40
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41
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42 void
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43 ngx_imap_init_connection(ngx_connection_t *c)
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44 {
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90
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45 ngx_imap_log_ctx_t *ctx;
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46
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47 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap init connection");
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48
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49 ctx = ngx_palloc(c->pool, sizeof(ngx_imap_log_ctx_t));
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50 if (ctx == NULL) {
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51 ngx_imap_close_connection(c);
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52 return;
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53 }
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54
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55 ctx->client = &c->addr_text;
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56 ctx->session = NULL;
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57
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58 c->log->connection = c->number;
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59 c->log->handler = ngx_imap_log_error;
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60 c->log->data = ctx;
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61 c->log->action = "sending client greeting line";
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62
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63 c->log_error = NGX_ERROR_INFO;
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64
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65 ngx_imap_init_session(c->read);
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66 }
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67
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68
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69 static void
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70 ngx_imap_init_session(ngx_event_t *rev)
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71 {
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72 ngx_connection_t *c;
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88
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73 ngx_imap_session_t *s;
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90
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74 ngx_imap_log_ctx_t *lctx;
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76
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75 ngx_imap_conf_ctx_t *ctx;
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90
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76 ngx_imap_core_srv_conf_t *cscf;
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88
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77 #if (NGX_IMAP_SSL)
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78 ngx_int_t rc;
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79 ngx_imap_ssl_conf_t *sslcf;
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80 #endif
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76
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81
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90
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82 c = rev->data;
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76
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83
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84 ctx = c->ctx;
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88
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85
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90
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86 cscf = ngx_imap_get_module_srv_conf(ctx, ngx_imap_core_module);
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87
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88
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88 #if (NGX_IMAP_SSL)
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89
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90 sslcf = ngx_imap_get_module_srv_conf(ctx, ngx_imap_ssl_module);
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91
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92 if (sslcf->enable) {
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76
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93
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88
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94 if (ngx_ssl_create_session(sslcf->ssl_ctx, c, NGX_SSL_BUFFER)
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95 == NGX_ERROR)
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96 {
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97 ngx_imap_close_connection(c);
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98 return;
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99 }
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76
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100
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88
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101 rc = ngx_ssl_handshake(c);
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102
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103 if (rc == NGX_ERROR) {
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104 ngx_imap_close_connection(c);
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105 return;
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106 }
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107
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90
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108 if (rc == NGX_AGAIN) {
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109 ngx_add_timer(rev, cscf->timeout);
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110 c->read->handler = ngx_imap_init_session;
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111
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112 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
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113 ngx_imap_close_connection(c);
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114 }
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115
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116 return;
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117 }
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118
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88
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119 c->recv = ngx_ssl_recv;
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120 c->send = ngx_ssl_write;
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121 c->send_chain = ngx_ssl_send_chain;
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122 }
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123
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124 #endif
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125
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126 s = ngx_pcalloc(c->pool, sizeof(ngx_imap_session_t));
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127 if (s == NULL) {
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76
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128 ngx_imap_close_connection(c);
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129 return;
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130 }
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131
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88
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132 c->data = s;
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133 s->connection = c;
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134
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135 s->protocol = cscf->protocol;
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136
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137 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_imap_max_module);
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138 if (s->ctx == NULL) {
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139 ngx_imap_session_internal_server_error(s);
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140 return;
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141 }
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142
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143 s->main_conf = ctx->main_conf;
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144 s->srv_conf = ctx->srv_conf;
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145
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146 s->out = greetings[s->protocol];
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147
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90
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148 lctx = c->log->data;
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149 lctx->session = s;
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150
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151 c->read->handler = ngx_imap_init_protocol;
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88
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152 c->write->handler = ngx_imap_send;
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76
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153
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90
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154 ngx_add_timer(rev, cscf->timeout);
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76
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155
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90
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156 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
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76
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157 ngx_imap_close_connection(c);
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158 }
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88
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159
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160 ngx_imap_send(c->write);
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161 }
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162
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163
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164 void
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165 ngx_imap_send(ngx_event_t *wev)
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166 {
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90
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167 ngx_int_t n;
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168 ngx_connection_t *c;
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169 ngx_imap_session_t *s;
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170 ngx_imap_core_srv_conf_t *cscf;
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88
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171
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172 c = wev->data;
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173 s = c->data;
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174
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175 if (wev->timedout) {
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176 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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177 ngx_imap_close_connection(c);
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178 return;
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179 }
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180
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181 if (s->out.len == 0) {
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182 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
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183 ngx_imap_close_connection(c);
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184 }
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185
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186 return;
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187 }
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188
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189 n = c->send(c, s->out.data, s->out.len);
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190
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191 if (n > 0) {
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192 s->out.len -= n;
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193
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90
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194 if (wev->timer_set) {
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195 ngx_del_timer(wev);
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196 }
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197
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88
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198 if (s->quit) {
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199 ngx_imap_close_connection(c);
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200 return;
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201 }
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202
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203 if (s->blocked) {
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204 c->read->handler(c->read);
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205 }
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206
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207 return;
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208 }
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209
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210 if (n == NGX_ERROR) {
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211 ngx_imap_close_connection(c);
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212 return;
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213 }
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214
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215 /* n == NGX_AGAIN */
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216
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90
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217 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
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218
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219 ngx_add_timer(c->write, cscf->timeout);
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220
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88
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221 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) {
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222 ngx_imap_close_connection(c);
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223 return;
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224 }
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76
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225 }
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226
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227
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228 static void
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90
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229 ngx_imap_init_protocol(ngx_event_t *rev)
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76
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230 {
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231 size_t size;
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232 ngx_connection_t *c;
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233 ngx_imap_session_t *s;
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234 ngx_imap_core_srv_conf_t *cscf;
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235
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236 c = rev->data;
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237
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90
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238 c->log->action = "in auth state";
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239
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76
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240 if (rev->timedout) {
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241 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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242 ngx_imap_close_connection(c);
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243 return;
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244 }
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245
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88
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246 s = c->data;
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76
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247
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248 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) == NGX_ERROR) {
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249 ngx_imap_session_internal_server_error(s);
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250 return;
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251 }
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252
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88
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253 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
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76
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254 size = 128;
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255 s->imap_state = ngx_pop3_start;
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256 c->read->handler = ngx_pop3_auth_state;
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257
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258 } else {
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88
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259 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
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76
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260 size = cscf->imap_client_buffer_size;
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261 s->imap_state = ngx_imap_start;
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262 c->read->handler = ngx_imap_auth_state;
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263 }
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264
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265 s->buffer = ngx_create_temp_buf(c->pool, size);
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266 if (s->buffer == NULL) {
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267 ngx_imap_session_internal_server_error(s);
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268 return;
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269 }
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270
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271 c->read->handler(rev);
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272 }
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273
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274
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275 void
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276 ngx_imap_auth_state(ngx_event_t *rev)
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277 {
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88
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278 u_char *text, *last, *p;
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279 ssize_t text_len, last_len;
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76
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280 ngx_str_t *arg;
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281 ngx_int_t rc;
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88
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282 ngx_uint_t tag;
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76
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283 ngx_connection_t *c;
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284 ngx_imap_session_t *s;
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285 ngx_imap_core_srv_conf_t *cscf;
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286
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287 c = rev->data;
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288 s = c->data;
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289
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290 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap auth state");
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291
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292 if (rev->timedout) {
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293 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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294 ngx_imap_close_connection(c);
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295 return;
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296 }
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297
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88
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298 if (s->out.len) {
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299 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap send handler busy");
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300 s->blocked = 1;
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301 return;
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302 }
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303
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304 s->blocked = 0;
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305
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76
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306 rc = ngx_imap_read_command(s);
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307
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308 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap auth: %i", rc);
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309
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310 if (rc == NGX_AGAIN || rc == NGX_ERROR) {
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311 return;
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312 }
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313
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314 tag = 1;
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315
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316 text = NULL;
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317 text_len = 0;
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318
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319 last = imap_ok;
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320 last_len = sizeof(imap_ok) - 1;
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321
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322 if (rc == NGX_OK) {
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323
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324 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap auth command: %i",
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325 s->command);
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326
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327 switch (s->command) {
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328
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329 case NGX_IMAP_LOGIN:
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330 if (s->args.nelts == 2) {
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331
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332 arg = s->args.elts;
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333
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334 s->login.len = arg[0].len;
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335 s->login.data = ngx_palloc(c->pool, s->login.len);
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336 if (s->login.data == NULL) {
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337 ngx_imap_session_internal_server_error(s);
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338 return;
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339 }
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340
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341 ngx_memcpy(s->login.data, arg[0].data, s->login.len);
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342
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343 s->passwd.len = arg[1].len;
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344 s->passwd.data = ngx_palloc(c->pool, s->passwd.len);
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345 if (s->passwd.data == NULL) {
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346 ngx_imap_session_internal_server_error(s);
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347 return;
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348 }
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349
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350 ngx_memcpy(s->passwd.data, arg[1].data, s->passwd.len);
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351
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352 ngx_log_debug2(NGX_LOG_DEBUG_IMAP, c->log, 0,
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353 "imap login:\"%V\" passwd:\"%V\"",
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354 &s->login, &s->passwd);
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355
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356 s->args.nelts = 0;
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357 s->buffer->pos = s->buffer->start;
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358 s->buffer->last = s->buffer->start;
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359
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360 if (rev->timer_set) {
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361 ngx_del_timer(rev);
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362 }
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363
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364 s->login_attempt++;
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365
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366 ngx_imap_auth_http_init(s);
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367
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368 return;
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369
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370 } else {
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371 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
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372 }
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373
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374 break;
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375
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376 case NGX_IMAP_CAPABILITY:
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377 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
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378 text = cscf->imap_capability->pos;
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379 text_len = cscf->imap_capability->last - cscf->imap_capability->pos;
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380 break;
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381
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382 case NGX_IMAP_LOGOUT:
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88
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383 s->quit = 1;
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76
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384 text = imap_bye;
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385 text_len = sizeof(imap_bye) - 1;
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386 break;
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387
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388 case NGX_IMAP_NOOP:
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389 break;
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390
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391 default:
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392 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
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393 break;
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394 }
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395
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396 } else if (rc == NGX_IMAP_NEXT) {
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397 last = imap_next;
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398 last_len = sizeof(imap_next) - 1;
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399 tag = 0;
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400 }
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401
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402 if (rc == NGX_IMAP_PARSE_INVALID_COMMAND) {
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403 last = imap_invalid_command;
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404 last_len = sizeof(imap_invalid_command) - 1;
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405 }
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406
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407 if (tag) {
|
|
88
|
408 if (s->tagged_line.len < s->tag.len + text_len + last_len) {
|
|
|
409 s->tagged_line.len = s->tag.len + text_len + last_len;
|
|
|
410 s->tagged_line.data = ngx_palloc(c->pool, s->tagged_line.len);
|
|
|
411 if (s->tagged_line.data == NULL) {
|
|
76
|
412 ngx_imap_close_connection(c);
|
|
|
413 return;
|
|
|
414 }
|
|
|
415 }
|
|
|
416
|
|
88
|
417 s->out.data = s->tagged_line.data;
|
|
|
418 s->out.len = s->tag.len + text_len + last_len;
|
|
|
419
|
|
|
420 p = s->out.data;
|
|
76
|
421
|
|
|
422 if (text) {
|
|
|
423 p = ngx_cpymem(p, text, text_len);
|
|
|
424 }
|
|
|
425 p = ngx_cpymem(p, s->tag.data, s->tag.len);
|
|
|
426 ngx_memcpy(p, last, last_len);
|
|
|
427
|
|
|
428
|
|
|
429 } else {
|
|
88
|
430 s->out.data = last;
|
|
|
431 s->out.len = last_len;
|
|
76
|
432 }
|
|
|
433
|
|
88
|
434 if (rc != NGX_IMAP_NEXT) {
|
|
|
435 s->args.nelts = 0;
|
|
|
436 s->buffer->pos = s->buffer->start;
|
|
|
437 s->buffer->last = s->buffer->start;
|
|
|
438 s->tag.len = 0;
|
|
76
|
439 }
|
|
|
440
|
|
88
|
441 ngx_imap_send(c->write);
|
|
76
|
442 }
|
|
|
443
|
|
|
444
|
|
|
445 void
|
|
|
446 ngx_pop3_auth_state(ngx_event_t *rev)
|
|
|
447 {
|
|
|
448 u_char *text;
|
|
|
449 ssize_t size;
|
|
|
450 ngx_int_t rc;
|
|
|
451 ngx_str_t *arg;
|
|
|
452 ngx_connection_t *c;
|
|
|
453 ngx_imap_session_t *s;
|
|
|
454 ngx_imap_core_srv_conf_t *cscf;
|
|
|
455
|
|
|
456 c = rev->data;
|
|
|
457 s = c->data;
|
|
|
458
|
|
|
459 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "pop3 auth state");
|
|
|
460
|
|
|
461 if (rev->timedout) {
|
|
|
462 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
463 ngx_imap_close_connection(c);
|
|
|
464 return;
|
|
|
465 }
|
|
|
466
|
|
88
|
467 if (s->out.len) {
|
|
|
468 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap send handler busy");
|
|
|
469 s->blocked = 1;
|
|
|
470 return;
|
|
|
471 }
|
|
|
472
|
|
|
473 s->blocked = 0;
|
|
|
474
|
|
76
|
475 rc = ngx_imap_read_command(s);
|
|
|
476
|
|
|
477 if (rc == NGX_AGAIN || rc == NGX_ERROR) {
|
|
|
478 return;
|
|
|
479 }
|
|
|
480
|
|
|
481 text = pop3_ok;
|
|
|
482 size = sizeof(pop3_ok) - 1;
|
|
|
483
|
|
|
484 if (rc == NGX_OK) {
|
|
|
485 switch (s->imap_state) {
|
|
|
486
|
|
|
487 case ngx_pop3_start:
|
|
|
488
|
|
|
489 switch (s->command) {
|
|
|
490
|
|
|
491 case NGX_POP3_USER:
|
|
|
492 if (s->args.nelts == 1) {
|
|
|
493 s->imap_state = ngx_pop3_user;
|
|
|
494
|
|
|
495 arg = s->args.elts;
|
|
|
496 s->login.len = arg[0].len;
|
|
|
497 s->login.data = ngx_palloc(c->pool, s->login.len);
|
|
|
498 if (s->login.data == NULL) {
|
|
|
499 ngx_imap_session_internal_server_error(s);
|
|
|
500 return;
|
|
|
501 }
|
|
|
502
|
|
|
503 ngx_memcpy(s->login.data, arg[0].data, s->login.len);
|
|
|
504
|
|
|
505 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0,
|
|
|
506 "pop3 login: \"%V\"", &s->login);
|
|
|
507
|
|
|
508 } else {
|
|
|
509 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
|
|
|
510 }
|
|
|
511
|
|
|
512 break;
|
|
|
513
|
|
|
514 case NGX_POP3_CAPA:
|
|
|
515 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
|
|
|
516 text = cscf->pop3_capability->pos;
|
|
|
517 size = cscf->pop3_capability->last - cscf->pop3_capability->pos;
|
|
|
518 break;
|
|
|
519
|
|
|
520 case NGX_POP3_QUIT:
|
|
88
|
521 s->quit = 1;
|
|
76
|
522 break;
|
|
|
523
|
|
|
524 case NGX_POP3_NOOP:
|
|
|
525 break;
|
|
|
526
|
|
|
527 default:
|
|
|
528 s->imap_state = ngx_pop3_start;
|
|
|
529 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
|
|
|
530 break;
|
|
|
531 }
|
|
|
532
|
|
|
533 break;
|
|
|
534
|
|
|
535 case ngx_pop3_user:
|
|
|
536
|
|
|
537 switch (s->command) {
|
|
|
538
|
|
|
539 case NGX_POP3_PASS:
|
|
|
540 if (s->args.nelts == 1) {
|
|
|
541 /* STUB */ s->imap_state = ngx_pop3_start;
|
|
|
542
|
|
|
543 arg = s->args.elts;
|
|
|
544 s->passwd.len = arg[0].len;
|
|
|
545 s->passwd.data = ngx_palloc(c->pool, s->passwd.len);
|
|
|
546 if (s->passwd.data == NULL) {
|
|
|
547 ngx_imap_session_internal_server_error(s);
|
|
|
548 return;
|
|
|
549 }
|
|
|
550
|
|
|
551 ngx_memcpy(s->passwd.data, arg[0].data, s->passwd.len);
|
|
|
552
|
|
|
553 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0,
|
|
|
554 "pop3 passwd: \"%V\"", &s->passwd);
|
|
|
555
|
|
|
556 s->args.nelts = 0;
|
|
|
557 s->buffer->pos = s->buffer->start;
|
|
|
558 s->buffer->last = s->buffer->start;
|
|
|
559
|
|
|
560 if (rev->timer_set) {
|
|
|
561 ngx_del_timer(rev);
|
|
|
562 }
|
|
|
563
|
|
|
564 ngx_imap_auth_http_init(s);
|
|
|
565
|
|
|
566 return;
|
|
|
567
|
|
|
568 } else {
|
|
|
569 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
|
|
|
570 }
|
|
|
571
|
|
|
572 break;
|
|
|
573
|
|
|
574 case NGX_POP3_CAPA:
|
|
|
575 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module);
|
|
|
576 text = cscf->pop3_capability->pos;
|
|
|
577 size = cscf->pop3_capability->last - cscf->pop3_capability->pos;
|
|
|
578 break;
|
|
|
579
|
|
|
580 case NGX_POP3_QUIT:
|
|
88
|
581 s->quit = 1;
|
|
76
|
582 break;
|
|
|
583
|
|
|
584 case NGX_POP3_NOOP:
|
|
|
585 break;
|
|
|
586
|
|
|
587 default:
|
|
|
588 s->imap_state = ngx_pop3_start;
|
|
|
589 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
|
|
|
590 break;
|
|
|
591 }
|
|
|
592
|
|
|
593 break;
|
|
|
594
|
|
|
595 /* suppress warinings */
|
|
|
596 case ngx_pop3_passwd:
|
|
|
597 break;
|
|
|
598 }
|
|
|
599 }
|
|
|
600
|
|
|
601 if (rc == NGX_IMAP_PARSE_INVALID_COMMAND) {
|
|
|
602 text = pop3_invalid_command;
|
|
|
603 size = sizeof(pop3_invalid_command) - 1;
|
|
|
604 }
|
|
|
605
|
|
|
606 s->args.nelts = 0;
|
|
|
607 s->buffer->pos = s->buffer->start;
|
|
|
608 s->buffer->last = s->buffer->start;
|
|
88
|
609
|
|
|
610 s->out.data = text;
|
|
|
611 s->out.len = size;
|
|
|
612
|
|
|
613 ngx_imap_send(c->write);
|
|
76
|
614 }
|
|
|
615
|
|
|
616
|
|
|
617 static ngx_int_t
|
|
|
618 ngx_imap_read_command(ngx_imap_session_t *s)
|
|
|
619 {
|
|
|
620 ssize_t n;
|
|
|
621 ngx_int_t rc;
|
|
|
622
|
|
88
|
623 n = s->connection->recv(s->connection, s->buffer->last,
|
|
|
624 s->buffer->end - s->buffer->last);
|
|
76
|
625
|
|
|
626 if (n == NGX_ERROR || n == 0) {
|
|
|
627 ngx_imap_close_connection(s->connection);
|
|
|
628 return NGX_ERROR;
|
|
|
629 }
|
|
|
630
|
|
|
631 if (n > 0) {
|
|
|
632 s->buffer->last += n;
|
|
|
633 }
|
|
|
634
|
|
|
635 if (n == NGX_AGAIN) {
|
|
|
636 if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) {
|
|
|
637 ngx_imap_session_internal_server_error(s);
|
|
|
638 return NGX_ERROR;
|
|
|
639 }
|
|
|
640
|
|
|
641 return NGX_AGAIN;
|
|
|
642 }
|
|
|
643
|
|
|
644 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) {
|
|
|
645 rc = ngx_pop3_parse_command(s);
|
|
|
646 } else {
|
|
|
647 rc = ngx_imap_parse_command(s);
|
|
|
648 }
|
|
|
649
|
|
|
650 if (rc == NGX_AGAIN
|
|
|
651 || rc == NGX_IMAP_NEXT
|
|
|
652 || rc == NGX_IMAP_PARSE_INVALID_COMMAND)
|
|
|
653 {
|
|
|
654 return rc;
|
|
|
655 }
|
|
|
656
|
|
|
657 if (rc == NGX_ERROR) {
|
|
|
658 ngx_imap_close_connection(s->connection);
|
|
|
659 return NGX_ERROR;
|
|
|
660 }
|
|
|
661
|
|
|
662 return NGX_OK;
|
|
|
663 }
|
|
|
664
|
|
|
665
|
|
|
666 void
|
|
|
667 ngx_imap_session_internal_server_error(ngx_imap_session_t *s)
|
|
|
668 {
|
|
88
|
669 s->out = internal_server_errors[s->protocol];
|
|
|
670 s->quit = 1;
|
|
76
|
671
|
|
88
|
672 ngx_imap_send(s->connection->write);
|
|
76
|
673 }
|
|
|
674
|
|
|
675
|
|
|
676 void
|
|
|
677 ngx_imap_close_connection(ngx_connection_t *c)
|
|
|
678 {
|
|
|
679 ngx_pool_t *pool;
|
|
|
680
|
|
|
681 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0,
|
|
|
682 "close imap connection: %d", c->fd);
|
|
|
683
|
|
88
|
684 #if (NGX_IMAP_SSL)
|
|
|
685
|
|
|
686 if (c->ssl) {
|
|
|
687 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
688 c->read->handler = ngx_imap_ssl_close_handler;
|
|
|
689 c->write->handler = ngx_imap_ssl_close_handler;
|
|
|
690 return;
|
|
|
691 }
|
|
|
692 }
|
|
|
693
|
|
|
694 #endif
|
|
|
695
|
|
76
|
696 pool = c->pool;
|
|
|
697
|
|
|
698 ngx_close_connection(c);
|
|
|
699
|
|
|
700 ngx_destroy_pool(pool);
|
|
|
701 }
|
|
88
|
702
|
|
|
703
|
|
|
704 #if (NGX_IMAP_SSL)
|
|
|
705
|
|
|
706 static void
|
|
|
707 ngx_imap_ssl_close_handler(ngx_event_t *ev)
|
|
|
708 {
|
|
|
709 ngx_connection_t *c;
|
|
|
710
|
|
|
711 c = ev->data;
|
|
|
712
|
|
|
713 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, ev->log, 0, "http ssl close handler");
|
|
|
714
|
|
|
715 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
716 return;
|
|
|
717 }
|
|
|
718
|
|
|
719 ngx_imap_close_connection(c);
|
|
|
720 }
|
|
|
721
|
|
|
722 #endif
|
|
90
|
723
|
|
|
724
|
|
|
725 static u_char *
|
|
|
726 ngx_imap_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
|
727 {
|
|
|
728 u_char *p;
|
|
|
729 ngx_imap_session_t *s;
|
|
|
730 ngx_imap_log_ctx_t *ctx;
|
|
|
731
|
|
|
732 if (log->action) {
|
|
|
733 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
|
734 len -= p - buf;
|
|
|
735 buf = p;
|
|
|
736 }
|
|
|
737
|
|
|
738 ctx = log->data;
|
|
|
739
|
|
|
740 p = ngx_snprintf(buf, len, ", client: %V", ctx->client);
|
|
|
741 len -= p - buf;
|
|
|
742 buf = p;
|
|
|
743
|
|
|
744 s = ctx->session;
|
|
|
745
|
|
|
746 if (s == NULL) {
|
|
|
747 return p;
|
|
|
748 }
|
|
|
749
|
|
|
750 p = ngx_snprintf(buf, len, ", server: %V",
|
|
|
751 &s->connection->listening->addr_text);
|
|
|
752 len -= p - buf;
|
|
|
753 buf = p;
|
|
|
754
|
|
|
755 if (s->login.len == 0) {
|
|
|
756 return p;
|
|
|
757 }
|
|
|
758
|
|
|
759 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login);
|
|
|
760 len -= p - buf;
|
|
|
761 buf = p;
|
|
|
762
|
|
|
763 if (s->proxy == NULL) {
|
|
|
764 return p;
|
|
|
765 }
|
|
|
766
|
|
|
767 p = ngx_snprintf(buf, len, ", upstream: %V",
|
|
|
768 &s->proxy->upstream.peers->peer[0].name);
|
|
|
769
|
|
|
770 return p;
|
|
|
771 }
|
