Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail_smtp_handler.c @ 5503:d049b0ea00a3
SSL: ssl_session_tickets directive.
This adds support so it's possible to explicitly disable SSL Session
Tickets. In order to have good Forward Secrecy support either the
session ticket key has to be reloaded by using nginx' binary upgrade
process or using an external key file and reloading the configuration.
This directive adds another possibility to have good support by
disabling session tickets altogether.
If session tickets are enabled and the process lives for a long a time,
an attacker can grab the session ticket from the process and use that to
decrypt any traffic that occured during the entire lifetime of the
process.
author | Dirkjan Bussink <d.bussink@gmail.com> |
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date | Fri, 10 Jan 2014 16:12:40 +0100 |
parents | 98876ce2a7fd |
children | 7deb01451486 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
1136 | 11 #include <ngx_mail.h> |
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12 #include <ngx_mail_smtp_module.h> |
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13 |
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14 |
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15 static void ngx_mail_smtp_resolve_addr_handler(ngx_resolver_ctx_t *ctx); |
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16 static void ngx_mail_smtp_resolve_name(ngx_event_t *rev); |
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17 static void ngx_mail_smtp_resolve_name_handler(ngx_resolver_ctx_t *ctx); |
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18 static void ngx_mail_smtp_greeting(ngx_mail_session_t *s, ngx_connection_t *c); |
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19 static void ngx_mail_smtp_invalid_pipelining(ngx_event_t *rev); |
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20 static ngx_int_t ngx_mail_smtp_create_buffer(ngx_mail_session_t *s, |
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21 ngx_connection_t *c); |
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22 |
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23 static ngx_int_t ngx_mail_smtp_helo(ngx_mail_session_t *s, ngx_connection_t *c); |
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24 static ngx_int_t ngx_mail_smtp_auth(ngx_mail_session_t *s, ngx_connection_t *c); |
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25 static ngx_int_t ngx_mail_smtp_mail(ngx_mail_session_t *s, ngx_connection_t *c); |
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26 static ngx_int_t ngx_mail_smtp_starttls(ngx_mail_session_t *s, |
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27 ngx_connection_t *c); |
2309 | 28 static ngx_int_t ngx_mail_smtp_rset(ngx_mail_session_t *s, ngx_connection_t *c); |
29 static ngx_int_t ngx_mail_smtp_rcpt(ngx_mail_session_t *s, ngx_connection_t *c); | |
413
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30 |
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31 static ngx_int_t ngx_mail_smtp_discard_command(ngx_mail_session_t *s, |
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32 ngx_connection_t *c, char *err); |
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33 static void ngx_mail_smtp_log_rejected_command(ngx_mail_session_t *s, |
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34 ngx_connection_t *c, char *err); |
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35 |
527 | 36 |
1136 | 37 static u_char smtp_ok[] = "250 2.0.0 OK" CRLF; |
38 static u_char smtp_bye[] = "221 2.0.0 Bye" CRLF; | |
1762 | 39 static u_char smtp_starttls[] = "220 2.0.0 Start TLS" CRLF; |
1136 | 40 static u_char smtp_next[] = "334 " CRLF; |
41 static u_char smtp_username[] = "334 VXNlcm5hbWU6" CRLF; | |
42 static u_char smtp_password[] = "334 UGFzc3dvcmQ6" CRLF; | |
43 static u_char smtp_invalid_command[] = "500 5.5.1 Invalid command" CRLF; | |
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44 static u_char smtp_invalid_pipelining[] = |
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45 "503 5.5.0 Improper use of SMTP command pipelining" CRLF; |
1136 | 46 static u_char smtp_invalid_argument[] = "501 5.5.4 Invalid argument" CRLF; |
47 static u_char smtp_auth_required[] = "530 5.7.1 Authentication required" CRLF; | |
2309 | 48 static u_char smtp_bad_sequence[] = "503 5.5.1 Bad sequence of commands" CRLF; |
1136 | 49 |
521 | 50 |
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51 static ngx_str_t smtp_unavailable = ngx_string("[UNAVAILABLE]"); |
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52 static ngx_str_t smtp_tempunavail = ngx_string("[TEMPUNAVAIL]"); |
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53 |
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54 |
521 | 55 void |
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56 ngx_mail_smtp_init_session(ngx_mail_session_t *s, ngx_connection_t *c) |
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57 { |
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58 ngx_resolver_ctx_t *ctx; |
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59 ngx_mail_core_srv_conf_t *cscf; |
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60 |
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61 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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62 |
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63 if (cscf->resolver == NULL) { |
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64 s->host = smtp_unavailable; |
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65 ngx_mail_smtp_greeting(s, c); |
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66 return; |
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67 } |
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68 |
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69 #if (NGX_HAVE_UNIX_DOMAIN) |
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70 if (c->sockaddr->sa_family == AF_UNIX) { |
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71 s->host = smtp_tempunavail; |
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72 ngx_mail_smtp_greeting(s, c); |
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73 return; |
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74 } |
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75 #endif |
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76 |
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77 c->log->action = "in resolving client address"; |
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78 |
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79 ctx = ngx_resolve_start(cscf->resolver, NULL); |
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80 if (ctx == NULL) { |
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81 ngx_mail_close_connection(c); |
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82 return; |
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83 } |
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84 |
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85 ctx->addr.sockaddr = c->sockaddr; |
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86 ctx->addr.socklen = c->socklen; |
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87 ctx->handler = ngx_mail_smtp_resolve_addr_handler; |
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88 ctx->data = s; |
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89 ctx->timeout = cscf->resolver_timeout; |
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90 |
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91 if (ngx_resolve_addr(ctx) != NGX_OK) { |
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92 ngx_mail_close_connection(c); |
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93 } |
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94 } |
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95 |
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96 |
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97 static void |
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98 ngx_mail_smtp_resolve_addr_handler(ngx_resolver_ctx_t *ctx) |
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99 { |
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100 ngx_connection_t *c; |
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101 ngx_mail_session_t *s; |
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102 |
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103 s = ctx->data; |
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104 c = s->connection; |
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105 |
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106 if (ctx->state) { |
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107 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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108 "%V could not be resolved (%i: %s)", |
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109 &c->addr_text, ctx->state, |
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110 ngx_resolver_strerror(ctx->state)); |
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111 |
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112 if (ctx->state == NGX_RESOLVE_NXDOMAIN) { |
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113 s->host = smtp_unavailable; |
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114 |
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115 } else { |
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116 s->host = smtp_tempunavail; |
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117 } |
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118 |
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119 ngx_resolve_addr_done(ctx); |
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120 |
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121 ngx_mail_smtp_greeting(s, s->connection); |
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122 |
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123 return; |
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124 } |
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125 |
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126 c->log->action = "in resolving client hostname"; |
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127 |
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128 s->host.data = ngx_pstrdup(c->pool, &ctx->name); |
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129 if (s->host.data == NULL) { |
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130 ngx_resolve_addr_done(ctx); |
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131 ngx_mail_close_connection(c); |
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132 return; |
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133 } |
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134 |
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135 s->host.len = ctx->name.len; |
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136 |
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137 ngx_resolve_addr_done(ctx); |
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138 |
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139 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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140 "address resolved: %V", &s->host); |
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141 |
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142 c->read->handler = ngx_mail_smtp_resolve_name; |
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143 |
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144 ngx_post_event(c->read, &ngx_posted_events); |
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145 } |
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146 |
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147 |
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148 static void |
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149 ngx_mail_smtp_resolve_name(ngx_event_t *rev) |
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150 { |
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151 ngx_connection_t *c; |
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152 ngx_mail_session_t *s; |
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153 ngx_resolver_ctx_t *ctx; |
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154 ngx_mail_core_srv_conf_t *cscf; |
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155 |
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156 c = rev->data; |
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157 s = c->data; |
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158 |
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159 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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160 |
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161 ctx = ngx_resolve_start(cscf->resolver, NULL); |
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162 if (ctx == NULL) { |
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163 ngx_mail_close_connection(c); |
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164 return; |
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165 } |
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166 |
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167 ctx->name = s->host; |
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168 ctx->handler = ngx_mail_smtp_resolve_name_handler; |
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169 ctx->data = s; |
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170 ctx->timeout = cscf->resolver_timeout; |
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171 |
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172 if (ngx_resolve_name(ctx) != NGX_OK) { |
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173 ngx_mail_close_connection(c); |
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174 } |
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175 } |
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176 |
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177 |
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178 static void |
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179 ngx_mail_smtp_resolve_name_handler(ngx_resolver_ctx_t *ctx) |
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180 { |
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181 ngx_uint_t i; |
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182 ngx_connection_t *c; |
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183 ngx_mail_session_t *s; |
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184 |
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185 s = ctx->data; |
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186 c = s->connection; |
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187 |
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188 if (ctx->state) { |
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189 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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190 "\"%V\" could not be resolved (%i: %s)", |
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191 &ctx->name, ctx->state, |
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192 ngx_resolver_strerror(ctx->state)); |
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193 |
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194 if (ctx->state == NGX_RESOLVE_NXDOMAIN) { |
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195 s->host = smtp_unavailable; |
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196 |
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197 } else { |
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198 s->host = smtp_tempunavail; |
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199 } |
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200 |
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201 } else { |
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202 |
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Changed resolver API to use ngx_addr_t.
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203 #if (NGX_DEBUG) |
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204 { |
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205 u_char text[NGX_SOCKADDR_STRLEN]; |
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|
206 ngx_str_t addr; |
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207 |
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208 addr.data = text; |
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209 |
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210 for (i = 0; i < ctx->naddrs; i++) { |
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211 addr.len = ngx_sock_ntop(ctx->addrs[i].sockaddr, |
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212 ctx->addrs[i].socklen, |
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213 text, NGX_SOCKADDR_STRLEN, 0); |
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214 |
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|
215 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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Changed resolver API to use ngx_addr_t.
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|
216 "name was resolved to %V", &addr); |
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217 } |
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218 } |
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219 #endif |
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220 |
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221 for (i = 0; i < ctx->naddrs; i++) { |
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222 if (ngx_cmp_sockaddr(ctx->addrs[i].sockaddr, ctx->addrs[i].socklen, |
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|
223 c->sockaddr, c->socklen, 0) |
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Changed resolver API to use ngx_addr_t.
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|
224 == NGX_OK) |
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|
225 { |
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226 goto found; |
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|
227 } |
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|
228 } |
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229 |
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230 s->host = smtp_unavailable; |
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231 } |
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232 |
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|
233 found: |
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234 |
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235 ngx_resolve_name_done(ctx); |
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236 |
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|
237 ngx_mail_smtp_greeting(s, c); |
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238 } |
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239 |
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240 |
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241 static void |
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242 ngx_mail_smtp_greeting(ngx_mail_session_t *s, ngx_connection_t *c) |
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243 { |
1481
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1480
diff
changeset
|
244 ngx_msec_t timeout; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
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|
245 ngx_mail_core_srv_conf_t *cscf; |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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1486
diff
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|
246 ngx_mail_smtp_srv_conf_t *sscf; |
641 | 247 |
1892
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248 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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249 "smtp greeting for \"%V\"", &s->host); |
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250 |
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251 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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252 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
541 | 253 |
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254 timeout = sscf->greeting_delay ? sscf->greeting_delay : cscf->timeout; |
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255 ngx_add_timer(c->read, timeout); |
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256 |
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257 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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258 ngx_mail_close_connection(c); |
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259 } |
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260 |
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261 if (sscf->greeting_delay) { |
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262 c->read->handler = ngx_mail_smtp_invalid_pipelining; |
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263 return; |
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264 } |
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265 |
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266 c->read->handler = ngx_mail_smtp_init_protocol; |
583 | 267 |
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268 s->out = sscf->greeting; |
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269 |
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270 ngx_mail_send(c->write); |
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271 } |
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272 |
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273 |
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274 static void |
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275 ngx_mail_smtp_invalid_pipelining(ngx_event_t *rev) |
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276 { |
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277 ngx_connection_t *c; |
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278 ngx_mail_session_t *s; |
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279 ngx_mail_core_srv_conf_t *cscf; |
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280 ngx_mail_smtp_srv_conf_t *sscf; |
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281 |
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282 c = rev->data; |
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283 s = c->data; |
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284 |
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285 c->log->action = "in delay pipelining state"; |
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286 |
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287 if (rev->timedout) { |
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288 |
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289 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "delay greeting"); |
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290 |
1484 | 291 rev->timedout = 0; |
292 | |
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293 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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294 |
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295 c->read->handler = ngx_mail_smtp_init_protocol; |
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296 |
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297 ngx_add_timer(c->read, cscf->timeout); |
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298 |
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299 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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300 ngx_mail_close_connection(c); |
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301 return; |
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302 } |
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303 |
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304 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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305 |
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306 s->out = sscf->greeting; |
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307 |
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308 } else { |
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309 |
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310 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "invalid pipelining"); |
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311 |
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312 if (s->buffer == NULL) { |
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313 if (ngx_mail_smtp_create_buffer(s, c) != NGX_OK) { |
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314 return; |
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315 } |
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316 } |
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317 |
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318 if (ngx_mail_smtp_discard_command(s, c, |
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319 "client was rejected before greeting: \"%V\"") |
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320 != NGX_OK) |
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321 { |
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322 return; |
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323 } |
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324 |
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325 ngx_str_set(&s->out, smtp_invalid_pipelining); |
5396
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326 s->quit = 1; |
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327 } |
539 | 328 |
1136 | 329 ngx_mail_send(c->write); |
539 | 330 } |
331 | |
332 | |
333 void | |
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334 ngx_mail_smtp_init_protocol(ngx_event_t *rev) |
539 | 335 { |
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336 ngx_connection_t *c; |
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337 ngx_mail_session_t *s; |
417
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338 |
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339 c = rev->data; |
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340 |
541 | 341 c->log->action = "in auth state"; |
342 | |
423
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343 if (rev->timedout) { |
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344 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 345 c->timedout = 1; |
1136 | 346 ngx_mail_close_connection(c); |
423
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347 return; |
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348 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
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419
diff
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349 |
539 | 350 s = c->data; |
521 | 351 |
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352 if (s->buffer == NULL) { |
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353 if (ngx_mail_smtp_create_buffer(s, c) != NGX_OK) { |
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354 return; |
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355 } |
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356 } |
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357 |
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358 s->mail_state = ngx_smtp_start; |
1477 | 359 c->read->handler = ngx_mail_smtp_auth_state; |
1136 | 360 |
1477 | 361 ngx_mail_smtp_auth_state(rev); |
521 | 362 } |
363 | |
364 | |
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365 static ngx_int_t |
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366 ngx_mail_smtp_create_buffer(ngx_mail_session_t *s, ngx_connection_t *c) |
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367 { |
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368 ngx_mail_smtp_srv_conf_t *sscf; |
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369 |
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370 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) == NGX_ERROR) { |
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371 ngx_mail_session_internal_server_error(s); |
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372 return NGX_ERROR; |
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373 } |
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374 |
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375 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
1483
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
376 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
377 s->buffer = ngx_create_temp_buf(c->pool, sscf->client_buffer_size); |
1483
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
378 if (s->buffer == NULL) { |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
379 ngx_mail_session_internal_server_error(s); |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
380 return NGX_ERROR; |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
381 } |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
382 |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
383 return NGX_OK; |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
384 } |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
385 |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
386 |
527 | 387 void |
1477 | 388 ngx_mail_smtp_auth_state(ngx_event_t *rev) |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
389 { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
390 ngx_int_t rc; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
391 ngx_connection_t *c; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
392 ngx_mail_session_t *s; |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
393 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
394 c = rev->data; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
395 s = c->data; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
396 |
1136 | 397 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp auth state"); |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
398 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
399 if (rev->timedout) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
400 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 401 c->timedout = 1; |
1136 | 402 ngx_mail_close_connection(c); |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
403 return; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
404 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
405 |
539 | 406 if (s->out.len) { |
1136 | 407 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp send handler busy"); |
539 | 408 s->blocked = 1; |
409 return; | |
410 } | |
411 | |
412 s->blocked = 0; | |
413 | |
1482 | 414 rc = ngx_mail_read_command(s, c); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
415 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
416 if (rc == NGX_AGAIN || rc == NGX_ERROR) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
417 return; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
418 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
419 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
420 ngx_str_set(&s->out, smtp_ok); |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
421 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
422 if (rc == NGX_OK) { |
1136 | 423 switch (s->mail_state) { |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
424 |
1136 | 425 case ngx_smtp_start: |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
426 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
427 switch (s->command) { |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
428 |
1136 | 429 case NGX_SMTP_HELO: |
430 case NGX_SMTP_EHLO: | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
431 rc = ngx_mail_smtp_helo(s, c); |
809 | 432 break; |
433 | |
1136 | 434 case NGX_SMTP_AUTH: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
435 rc = ngx_mail_smtp_auth(s, c); |
800 | 436 break; |
437 | |
1136 | 438 case NGX_SMTP_QUIT: |
539 | 439 s->quit = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
440 ngx_str_set(&s->out, smtp_bye); |
527 | 441 break; |
442 | |
1136 | 443 case NGX_SMTP_MAIL: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
444 rc = ngx_mail_smtp_mail(s, c); |
583 | 445 break; |
446 | |
2309 | 447 case NGX_SMTP_RCPT: |
448 rc = ngx_mail_smtp_rcpt(s, c); | |
449 break; | |
450 | |
451 case NGX_SMTP_RSET: | |
452 rc = ngx_mail_smtp_rset(s, c); | |
453 break; | |
454 | |
1136 | 455 case NGX_SMTP_NOOP: |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
456 break; |
1322 | 457 |
458 case NGX_SMTP_STARTTLS: | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
459 rc = ngx_mail_smtp_starttls(s, c); |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
460 ngx_str_set(&s->out, smtp_starttls); |
1322 | 461 break; |
462 | |
463 default: | |
464 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
465 break; | |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
466 } |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
467 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
468 break; |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
469 |
1136 | 470 case ngx_smtp_auth_login_username: |
2495
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
471 rc = ngx_mail_auth_login_username(s, c, 0); |
809 | 472 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
473 ngx_str_set(&s->out, smtp_password); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
474 s->mail_state = ngx_smtp_auth_login_password; |
809 | 475 break; |
476 | |
1136 | 477 case ngx_smtp_auth_login_password: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
478 rc = ngx_mail_auth_login_password(s, c); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
479 break; |
809 | 480 |
1136 | 481 case ngx_smtp_auth_plain: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
482 rc = ngx_mail_auth_plain(s, c, 0); |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
483 break; |
809 | 484 |
1136 | 485 case ngx_smtp_auth_cram_md5: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
486 rc = ngx_mail_auth_cram_md5(s, c); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
487 break; |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
488 } |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
489 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
490 |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
491 if (s->buffer->pos < s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
492 s->blocked = 1; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
493 } |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
494 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
495 switch (rc) { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
496 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
497 case NGX_DONE: |
1482 | 498 ngx_mail_auth(s, c); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
499 return; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
500 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
501 case NGX_ERROR: |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
502 ngx_mail_session_internal_server_error(s); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
503 return; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
504 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
505 case NGX_MAIL_PARSE_INVALID_COMMAND: |
1136 | 506 s->mail_state = ngx_smtp_start; |
1486
0e7074ef7303
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1485
diff
changeset
|
507 s->state = 0; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
508 ngx_str_set(&s->out, smtp_invalid_command); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
509 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
510 /* fall through */ |
539 | 511 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
512 case NGX_OK: |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
513 s->args.nelts = 0; |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
514 |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
515 if (s->buffer->pos == s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
516 s->buffer->pos = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
517 s->buffer->last = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
518 } |
810 | 519 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
520 if (s->state) { |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
521 s->arg_start = s->buffer->pos; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
522 } |
539 | 523 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
524 ngx_mail_send(c->write); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
525 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
526 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
527 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
528 |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
529 static ngx_int_t |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
530 ngx_mail_smtp_helo(ngx_mail_session_t *s, ngx_connection_t *c) |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
531 { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
532 ngx_str_t *arg; |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
533 ngx_mail_smtp_srv_conf_t *sscf; |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
534 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
535 if (s->args.nelts != 1) { |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
536 ngx_str_set(&s->out, smtp_invalid_argument); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
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|
537 s->state = 0; |
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|
538 return NGX_OK; |
67578e966dcc
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parents:
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diff
changeset
|
539 } |
67578e966dcc
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parents:
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diff
changeset
|
540 |
67578e966dcc
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parents:
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changeset
|
541 arg = s->args.elts; |
67578e966dcc
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parents:
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diff
changeset
|
542 |
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parents:
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diff
changeset
|
543 s->smtp_helo.len = arg[0].len; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
544 |
2049 | 545 s->smtp_helo.data = ngx_pnalloc(c->pool, arg[0].len); |
1476
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parents:
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diff
changeset
|
546 if (s->smtp_helo.data == NULL) { |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
547 return NGX_ERROR; |
4f7dca9c37f0
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parents:
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diff
changeset
|
548 } |
4f7dca9c37f0
workaround for Eudora for Mac: it sends
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parents:
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diff
changeset
|
549 |
1476
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parents:
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diff
changeset
|
550 ngx_memcpy(s->smtp_helo.data, arg[0].data, arg[0].len); |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
551 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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parents:
3299
diff
changeset
|
552 ngx_str_null(&s->smtp_from); |
dd1570b6f237
ngx_str_set() and ngx_str_null()
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parents:
3299
diff
changeset
|
553 ngx_str_null(&s->smtp_to); |
2309 | 554 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
555 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
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diff
changeset
|
556 |
1476
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parents:
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diff
changeset
|
557 if (s->command == NGX_SMTP_HELO) { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
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diff
changeset
|
558 s->out = sscf->server_name; |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
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parents:
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diff
changeset
|
559 |
1476
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parents:
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diff
changeset
|
560 } else { |
67578e966dcc
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parents:
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diff
changeset
|
561 s->esmtp = 1; |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
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parents:
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diff
changeset
|
562 |
1476
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changeset
|
563 #if (NGX_MAIL_SSL) |
894
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workaround for Eudora for Mac: it sends
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parents:
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diff
changeset
|
564 |
1476
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parents:
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changeset
|
565 if (c->ssl == NULL) { |
1704
e584e946e198
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parents:
1493
diff
changeset
|
566 ngx_mail_ssl_conf_t *sslcf; |
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1493
diff
changeset
|
567 |
1476
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parents:
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diff
changeset
|
568 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
569 |
1476
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diff
changeset
|
570 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1486
diff
changeset
|
571 s->out = sscf->starttls_capability; |
1476
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changeset
|
572 return NGX_OK; |
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parents:
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diff
changeset
|
573 } |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
574 |
1476
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parents:
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diff
changeset
|
575 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1486
diff
changeset
|
576 s->out = sscf->starttls_only_capability; |
1476
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parents:
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changeset
|
577 return NGX_OK; |
67578e966dcc
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changeset
|
578 } |
67578e966dcc
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parents:
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diff
changeset
|
579 } |
894
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workaround for Eudora for Mac: it sends
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parents:
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diff
changeset
|
580 #endif |
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parents:
884
diff
changeset
|
581 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1486
diff
changeset
|
582 s->out = sscf->capability; |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
583 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
584 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
585 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
586 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
587 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
588 |
1476
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parents:
1472
diff
changeset
|
589 static ngx_int_t |
67578e966dcc
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parents:
1472
diff
changeset
|
590 ngx_mail_smtp_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
525 | 591 { |
1479 | 592 ngx_int_t rc; |
1476
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parents:
1472
diff
changeset
|
593 ngx_mail_core_srv_conf_t *cscf; |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1486
diff
changeset
|
594 ngx_mail_smtp_srv_conf_t *sscf; |
525 | 595 |
1479 | 596 #if (NGX_MAIL_SSL) |
597 if (ngx_mail_starttls_only(s, c)) { | |
598 return NGX_MAIL_PARSE_INVALID_COMMAND; | |
539 | 599 } |
600 #endif | |
601 | |
1476
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split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
602 if (s->args.nelts == 0) { |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
603 ngx_str_set(&s->out, smtp_invalid_argument); |
1476
67578e966dcc
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diff
changeset
|
604 s->state = 0; |
67578e966dcc
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parents:
1472
diff
changeset
|
605 return NGX_OK; |
67578e966dcc
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parents:
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diff
changeset
|
606 } |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
607 |
1479 | 608 rc = ngx_mail_auth_parse(s, c); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
609 |
1479 | 610 switch (rc) { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
611 |
1479 | 612 case NGX_MAIL_AUTH_LOGIN: |
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
613 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
614 ngx_str_set(&s->out, smtp_username); |
1479 | 615 s->mail_state = ngx_smtp_auth_login_username; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
616 |
1479 | 617 return NGX_OK; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
618 |
2495
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
619 case NGX_MAIL_AUTH_LOGIN_USERNAME: |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
620 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
621 ngx_str_set(&s->out, smtp_password); |
2495
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
622 s->mail_state = ngx_smtp_auth_login_password; |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
623 |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
624 return ngx_mail_auth_login_username(s, c, 1); |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
625 |
1479 | 626 case NGX_MAIL_AUTH_PLAIN: |
1476
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split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
627 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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parents:
3299
diff
changeset
|
628 ngx_str_set(&s->out, smtp_next); |
1479 | 629 s->mail_state = ngx_smtp_auth_plain; |
543 | 630 |
1479 | 631 return NGX_OK; |
632 | |
633 case NGX_MAIL_AUTH_CRAM_MD5: | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
634 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
635 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
636 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
637 if (!(sscf->auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED)) { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
638 return NGX_MAIL_PARSE_INVALID_COMMAND; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
639 } |
479 | 640 |
1485
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
641 if (s->salt.data == NULL) { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
642 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
643 |
1485
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
644 if (ngx_mail_salt(s, c, cscf) != NGX_OK) { |
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
645 return NGX_ERROR; |
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
646 } |
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
647 } |
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
648 |
1479 | 649 if (ngx_mail_auth_cram_md5_salt(s, c, "334 ", 4) == NGX_OK) { |
650 s->mail_state = ngx_smtp_auth_cram_md5; | |
651 return NGX_OK; | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
652 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
653 |
1479 | 654 return NGX_ERROR; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
655 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
656 |
1479 | 657 return rc; |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
658 } |
539 | 659 |
660 | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
661 static ngx_int_t |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
662 ngx_mail_smtp_mail(ngx_mail_session_t *s, ngx_connection_t *c) |
541 | 663 { |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
664 ngx_str_t *arg, cmd; |
2309 | 665 ngx_mail_smtp_srv_conf_t *sscf; |
666 | |
667 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); | |
668 | |
669 if (!(sscf->auth_methods & NGX_MAIL_AUTH_NONE_ENABLED)) { | |
670 ngx_mail_smtp_log_rejected_command(s, c, "client was rejected: \"%V\""); | |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
671 ngx_str_set(&s->out, smtp_auth_required); |
2309 | 672 return NGX_OK; |
673 } | |
674 | |
675 /* auth none */ | |
676 | |
677 if (s->smtp_from.len) { | |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
678 ngx_str_set(&s->out, smtp_bad_sequence); |
2309 | 679 return NGX_OK; |
680 } | |
681 | |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
682 arg = s->args.elts; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
683 arg += s->args.nelts - 1; |
2309 | 684 |
5398
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685 cmd.len = arg->data + arg->len - s->cmd.data; |
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686 cmd.data = s->cmd.data; |
2309 | 687 |
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688 s->smtp_from.len = cmd.len; |
2309 | 689 |
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690 s->smtp_from.data = ngx_pnalloc(c->pool, cmd.len); |
2309 | 691 if (s->smtp_from.data == NULL) { |
692 return NGX_ERROR; | |
693 } | |
694 | |
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695 ngx_memcpy(s->smtp_from.data, cmd.data, cmd.len); |
2309 | 696 |
697 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
698 "smtp mail from:\"%V\"", &s->smtp_from); | |
699 | |
3516
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700 ngx_str_set(&s->out, smtp_ok); |
2309 | 701 |
702 return NGX_OK; | |
703 } | |
577 | 704 |
2309 | 705 |
706 static ngx_int_t | |
707 ngx_mail_smtp_rcpt(ngx_mail_session_t *s, ngx_connection_t *c) | |
708 { | |
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709 ngx_str_t *arg, cmd; |
2309 | 710 |
711 if (s->smtp_from.len == 0) { | |
3516
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712 ngx_str_set(&s->out, smtp_bad_sequence); |
2309 | 713 return NGX_OK; |
714 } | |
715 | |
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716 arg = s->args.elts; |
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717 arg += s->args.nelts - 1; |
2309 | 718 |
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719 cmd.len = arg->data + arg->len - s->cmd.data; |
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720 cmd.data = s->cmd.data; |
2309 | 721 |
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722 s->smtp_to.len = cmd.len; |
2309 | 723 |
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724 s->smtp_to.data = ngx_pnalloc(c->pool, cmd.len); |
2309 | 725 if (s->smtp_to.data == NULL) { |
726 return NGX_ERROR; | |
727 } | |
728 | |
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729 ngx_memcpy(s->smtp_to.data, cmd.data, cmd.len); |
2309 | 730 |
731 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
732 "smtp rcpt to:\"%V\"", &s->smtp_to); | |
733 | |
734 s->auth_method = NGX_MAIL_AUTH_NONE; | |
735 | |
736 return NGX_DONE; | |
737 } | |
738 | |
739 | |
740 static ngx_int_t | |
741 ngx_mail_smtp_rset(ngx_mail_session_t *s, ngx_connection_t *c) | |
742 { | |
3516
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743 ngx_str_null(&s->smtp_from); |
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744 ngx_str_null(&s->smtp_to); |
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745 ngx_str_set(&s->out, smtp_ok); |
1476
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746 |
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747 return NGX_OK; |
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748 } |
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749 |
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750 |
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751 static ngx_int_t |
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752 ngx_mail_smtp_starttls(ngx_mail_session_t *s, ngx_connection_t *c) |
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753 { |
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754 #if (NGX_MAIL_SSL) |
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755 ngx_mail_ssl_conf_t *sslcf; |
541 | 756 |
1476
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757 if (c->ssl == NULL) { |
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758 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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|
759 if (sslcf->starttls) { |
541 | 760 |
1476
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761 /* |
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762 * RFC3207 requires us to discard any knowledge |
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763 * obtained from client before STARTTLS. |
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764 */ |
541 | 765 |
3516
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766 ngx_str_null(&s->smtp_helo); |
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767 ngx_str_null(&s->smtp_from); |
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768 ngx_str_null(&s->smtp_to); |
1476
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769 |
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770 c->read->handler = ngx_mail_starttls_handler; |
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771 return NGX_OK; |
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772 } |
541 | 773 } |
774 | |
1476
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775 #endif |
541 | 776 |
1476
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777 return NGX_MAIL_PARSE_INVALID_COMMAND; |
541 | 778 } |
1481
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779 |
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780 |
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781 static ngx_int_t |
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782 ngx_mail_smtp_discard_command(ngx_mail_session_t *s, ngx_connection_t *c, |
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783 char *err) |
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784 { |
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785 ssize_t n; |
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786 |
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787 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
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788 |
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789 if (n == NGX_ERROR || n == 0) { |
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790 ngx_mail_close_connection(c); |
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791 return NGX_ERROR; |
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792 } |
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793 |
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794 if (n > 0) { |
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795 s->buffer->last += n; |
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796 } |
1486
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parents:
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diff
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797 |
1481
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798 if (n == NGX_AGAIN) { |
2388
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diff
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|
799 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
1481
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800 ngx_mail_session_internal_server_error(s); |
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801 return NGX_ERROR; |
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802 } |
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|
803 |
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|
804 return NGX_AGAIN; |
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805 } |
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|
806 |
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|
807 ngx_mail_smtp_log_rejected_command(s, c, err); |
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808 |
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|
809 s->buffer->pos = s->buffer->start; |
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810 s->buffer->last = s->buffer->start; |
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|
811 |
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812 return NGX_OK; |
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813 } |
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814 |
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815 |
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|
816 static void |
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|
817 ngx_mail_smtp_log_rejected_command(ngx_mail_session_t *s, ngx_connection_t *c, |
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818 char *err) |
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819 { |
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820 u_char ch; |
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|
821 ngx_str_t cmd; |
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changeset
|
822 ngx_uint_t i; |
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823 |
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|
824 if (c->log->log_level < NGX_LOG_INFO) { |
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825 return; |
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|
826 } |
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changeset
|
827 |
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diff
changeset
|
828 cmd.len = s->buffer->last - s->buffer->start; |
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|
829 cmd.data = s->buffer->start; |
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changeset
|
830 |
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diff
changeset
|
831 for (i = 0; i < cmd.len; i++) { |
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|
832 ch = cmd.data[i]; |
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|
833 |
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|
834 if (ch != CR && ch != LF) { |
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|
835 continue; |
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diff
changeset
|
836 } |
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diff
changeset
|
837 |
1493
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use "_" instead of " " as new line substitute, do not delete trailing new line
Igor Sysoev <igor@sysoev.ru>
parents:
1487
diff
changeset
|
838 cmd.data[i] = '_'; |
1481
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
839 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
840 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
841 cmd.len = i; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
842 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
843 ngx_log_error(NGX_LOG_INFO, c->log, 0, err, &cmd); |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
844 } |