Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail_smtp_handler.c @ 7105:0846dd76a487
Stream: fixed logging UDP upstream timeout.
Previously, when the first UDP response packet was not received from the
proxied server within proxy_timeout, no error message was logged before
switching to the next upstream. Additionally, when one of succeeding response
packets was not received within the timeout, the timeout error had low severity
because it was logged as a client connection error as opposed to upstream
connection error.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 12 Sep 2017 13:44:04 +0300 |
parents | b2915d99ee8d |
children | fcd92ad76b7b |
rev | line source |
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441
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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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6 |
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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[] = |
6474 | 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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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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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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|
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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diff
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|
244 ngx_msec_t timeout; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
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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 |
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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 |
3516
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325 ngx_str_set(&s->out, smtp_invalid_pipelining); |
5396
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Mail: added session close on smtp_greeting_delay violation.
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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
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
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parents:
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diff
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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); |
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376 |
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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
Igor Sysoev <igor@sysoev.ru>
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; |
6774
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
488 |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
489 case ngx_smtp_auth_external: |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
490 rc = ngx_mail_auth_external(s, c, 0); |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
491 break; |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
492 } |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
493 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
494 |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
495 if (s->buffer->pos < s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
496 s->blocked = 1; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
497 } |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
498 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
499 switch (rc) { |
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_DONE: |
1482 | 502 ngx_mail_auth(s, c); |
1476
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_ERROR: |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
506 ngx_mail_session_internal_server_error(s); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
507 return; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
508 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
509 case NGX_MAIL_PARSE_INVALID_COMMAND: |
1136 | 510 s->mail_state = ngx_smtp_start; |
1486
0e7074ef7303
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1485
diff
changeset
|
511 s->state = 0; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
512 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
|
513 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
514 /* fall through */ |
539 | 515 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
516 case NGX_OK: |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
517 s->args.nelts = 0; |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
518 |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
519 if (s->buffer->pos == s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
520 s->buffer->pos = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
521 s->buffer->last = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
522 } |
810 | 523 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
524 if (s->state) { |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5396
diff
changeset
|
525 s->arg_start = s->buffer->pos; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
526 } |
539 | 527 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
528 ngx_mail_send(c->write); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
529 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
530 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
531 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
532 |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
533 static ngx_int_t |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
534 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
|
535 { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
536 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
|
537 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
|
538 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
539 if (s->args.nelts != 1) { |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
540 ngx_str_set(&s->out, smtp_invalid_argument); |
1476
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split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
541 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
542 return NGX_OK; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
543 } |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
544 |
67578e966dcc
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parents:
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changeset
|
545 arg = s->args.elts; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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changeset
|
546 |
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split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
547 s->smtp_helo.len = arg[0].len; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
548 |
2049 | 549 s->smtp_helo.data = ngx_pnalloc(c->pool, arg[0].len); |
1476
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split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
550 if (s->smtp_helo.data == NULL) { |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
551 return NGX_ERROR; |
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
552 } |
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
553 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
554 ngx_memcpy(s->smtp_helo.data, arg[0].data, arg[0].len); |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
555 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
556 ngx_str_null(&s->smtp_from); |
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
557 ngx_str_null(&s->smtp_to); |
2309 | 558 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
559 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
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
560 |
1476
67578e966dcc
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parents:
1472
diff
changeset
|
561 if (s->command == NGX_SMTP_HELO) { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
562 s->out = sscf->server_name; |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
563 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
564 } else { |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
565 s->esmtp = 1; |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
566 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
567 #if (NGX_MAIL_SSL) |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
568 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
569 if (c->ssl == NULL) { |
1704
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1493
diff
changeset
|
570 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
|
571 |
1476
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split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
572 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
|
573 |
1476
67578e966dcc
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parents:
1472
diff
changeset
|
574 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
575 s->out = sscf->starttls_capability; |
1476
67578e966dcc
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parents:
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diff
changeset
|
576 return NGX_OK; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
577 } |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
578 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
579 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
580 s->out = sscf->starttls_only_capability; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
581 return NGX_OK; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
582 } |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
583 } |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
584 #endif |
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
585 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
586 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
|
587 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
588 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
589 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
590 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
591 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
592 |
1476
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parents:
1472
diff
changeset
|
593 static ngx_int_t |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
594 ngx_mail_smtp_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
525 | 595 { |
1479 | 596 ngx_int_t rc; |
1476
67578e966dcc
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parents:
1472
diff
changeset
|
597 ngx_mail_core_srv_conf_t *cscf; |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
598 ngx_mail_smtp_srv_conf_t *sscf; |
525 | 599 |
1479 | 600 #if (NGX_MAIL_SSL) |
601 if (ngx_mail_starttls_only(s, c)) { | |
602 return NGX_MAIL_PARSE_INVALID_COMMAND; | |
539 | 603 } |
604 #endif | |
605 | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
606 if (s->args.nelts == 0) { |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
607 ngx_str_set(&s->out, smtp_invalid_argument); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
608 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
609 return NGX_OK; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
610 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
611 |
6869
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
612 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
613 |
1479 | 614 rc = ngx_mail_auth_parse(s, c); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
615 |
1479 | 616 switch (rc) { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
617 |
1479 | 618 case NGX_MAIL_AUTH_LOGIN: |
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
619 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
620 ngx_str_set(&s->out, smtp_username); |
1479 | 621 s->mail_state = ngx_smtp_auth_login_username; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
622 |
1479 | 623 return NGX_OK; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
624 |
2495
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
625 case NGX_MAIL_AUTH_LOGIN_USERNAME: |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
626 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
627 ngx_str_set(&s->out, smtp_password); |
2495
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
628 s->mail_state = ngx_smtp_auth_login_password; |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
629 |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
630 return ngx_mail_auth_login_username(s, c, 1); |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
631 |
1479 | 632 case NGX_MAIL_AUTH_PLAIN: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
633 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
634 ngx_str_set(&s->out, smtp_next); |
1479 | 635 s->mail_state = ngx_smtp_auth_plain; |
543 | 636 |
1479 | 637 return NGX_OK; |
638 | |
639 case NGX_MAIL_AUTH_CRAM_MD5: | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
640 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
641 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
|
642 return NGX_MAIL_PARSE_INVALID_COMMAND; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
643 } |
479 | 644 |
1485
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
645 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
|
646 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
|
647 |
1485
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
648 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
|
649 return NGX_ERROR; |
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
650 } |
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
651 } |
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
652 |
1479 | 653 if (ngx_mail_auth_cram_md5_salt(s, c, "334 ", 4) == NGX_OK) { |
654 s->mail_state = ngx_smtp_auth_cram_md5; | |
655 return NGX_OK; | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
656 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
657 |
1479 | 658 return NGX_ERROR; |
6774
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
659 |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
660 case NGX_MAIL_AUTH_EXTERNAL: |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
661 |
6869
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
662 if (!(sscf->auth_methods & NGX_MAIL_AUTH_EXTERNAL_ENABLED)) { |
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
663 return NGX_MAIL_PARSE_INVALID_COMMAND; |
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
664 } |
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
665 |
6774
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
666 ngx_str_set(&s->out, smtp_username); |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
667 s->mail_state = ngx_smtp_auth_external; |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
668 |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
6474
diff
changeset
|
669 return NGX_OK; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
670 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
671 |
1479 | 672 return rc; |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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673 } |
539 | 674 |
675 | |
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676 static ngx_int_t |
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677 ngx_mail_smtp_mail(ngx_mail_session_t *s, ngx_connection_t *c) |
541 | 678 { |
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679 ngx_str_t *arg, cmd; |
2309 | 680 ngx_mail_smtp_srv_conf_t *sscf; |
681 | |
682 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); | |
683 | |
684 if (!(sscf->auth_methods & NGX_MAIL_AUTH_NONE_ENABLED)) { | |
685 ngx_mail_smtp_log_rejected_command(s, c, "client was rejected: \"%V\""); | |
3516
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686 ngx_str_set(&s->out, smtp_auth_required); |
2309 | 687 return NGX_OK; |
688 } | |
689 | |
690 /* auth none */ | |
691 | |
692 if (s->smtp_from.len) { | |
3516
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693 ngx_str_set(&s->out, smtp_bad_sequence); |
2309 | 694 return NGX_OK; |
695 } | |
696 | |
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697 if (s->args.nelts == 0) { |
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698 ngx_str_set(&s->out, smtp_invalid_argument); |
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699 return NGX_OK; |
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700 } |
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701 |
5398
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702 arg = s->args.elts; |
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703 arg += s->args.nelts - 1; |
2309 | 704 |
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705 cmd.len = arg->data + arg->len - s->cmd.data; |
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|
706 cmd.data = s->cmd.data; |
2309 | 707 |
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|
708 s->smtp_from.len = cmd.len; |
2309 | 709 |
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|
710 s->smtp_from.data = ngx_pnalloc(c->pool, cmd.len); |
2309 | 711 if (s->smtp_from.data == NULL) { |
712 return NGX_ERROR; | |
713 } | |
714 | |
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715 ngx_memcpy(s->smtp_from.data, cmd.data, cmd.len); |
2309 | 716 |
717 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
718 "smtp mail from:\"%V\"", &s->smtp_from); | |
719 | |
3516
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|
720 ngx_str_set(&s->out, smtp_ok); |
2309 | 721 |
722 return NGX_OK; | |
723 } | |
577 | 724 |
2309 | 725 |
726 static ngx_int_t | |
727 ngx_mail_smtp_rcpt(ngx_mail_session_t *s, ngx_connection_t *c) | |
728 { | |
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|
729 ngx_str_t *arg, cmd; |
2309 | 730 |
731 if (s->smtp_from.len == 0) { | |
3516
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732 ngx_str_set(&s->out, smtp_bad_sequence); |
2309 | 733 return NGX_OK; |
734 } | |
735 | |
5703
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|
736 if (s->args.nelts == 0) { |
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737 ngx_str_set(&s->out, smtp_invalid_argument); |
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738 return NGX_OK; |
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|
739 } |
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|
740 |
5398
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|
741 arg = s->args.elts; |
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742 arg += s->args.nelts - 1; |
2309 | 743 |
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744 cmd.len = arg->data + arg->len - s->cmd.data; |
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|
745 cmd.data = s->cmd.data; |
2309 | 746 |
5398
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|
747 s->smtp_to.len = cmd.len; |
2309 | 748 |
5398
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|
749 s->smtp_to.data = ngx_pnalloc(c->pool, cmd.len); |
2309 | 750 if (s->smtp_to.data == NULL) { |
751 return NGX_ERROR; | |
752 } | |
753 | |
5398
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|
754 ngx_memcpy(s->smtp_to.data, cmd.data, cmd.len); |
2309 | 755 |
756 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
757 "smtp rcpt to:\"%V\"", &s->smtp_to); | |
758 | |
759 s->auth_method = NGX_MAIL_AUTH_NONE; | |
760 | |
761 return NGX_DONE; | |
762 } | |
763 | |
764 | |
765 static ngx_int_t | |
766 ngx_mail_smtp_rset(ngx_mail_session_t *s, ngx_connection_t *c) | |
767 { | |
3516
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768 ngx_str_null(&s->smtp_from); |
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|
769 ngx_str_null(&s->smtp_to); |
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770 ngx_str_set(&s->out, smtp_ok); |
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|
771 |
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772 return NGX_OK; |
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773 } |
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774 |
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|
775 |
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776 static ngx_int_t |
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777 ngx_mail_smtp_starttls(ngx_mail_session_t *s, ngx_connection_t *c) |
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778 { |
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779 #if (NGX_MAIL_SSL) |
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|
780 ngx_mail_ssl_conf_t *sslcf; |
541 | 781 |
1476
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|
782 if (c->ssl == NULL) { |
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783 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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|
784 if (sslcf->starttls) { |
541 | 785 |
1476
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|
786 /* |
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787 * RFC3207 requires us to discard any knowledge |
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788 * obtained from client before STARTTLS. |
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|
789 */ |
541 | 790 |
3516
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791 ngx_str_null(&s->smtp_helo); |
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|
792 ngx_str_null(&s->smtp_from); |
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|
793 ngx_str_null(&s->smtp_to); |
1476
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794 |
5787
3f5d0af4e40a
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|
795 s->buffer->pos = s->buffer->start; |
3f5d0af4e40a
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|
796 s->buffer->last = s->buffer->start; |
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|
797 |
1476
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798 c->read->handler = ngx_mail_starttls_handler; |
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799 return NGX_OK; |
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800 } |
541 | 801 } |
802 | |
1476
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803 #endif |
541 | 804 |
1476
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|
805 return NGX_MAIL_PARSE_INVALID_COMMAND; |
541 | 806 } |
1481
b58ce1cf66da
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changeset
|
807 |
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changeset
|
808 |
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changeset
|
809 static ngx_int_t |
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changeset
|
810 ngx_mail_smtp_discard_command(ngx_mail_session_t *s, ngx_connection_t *c, |
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|
811 char *err) |
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|
812 { |
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|
813 ssize_t n; |
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814 |
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changeset
|
815 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
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|
816 |
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|
817 if (n == NGX_ERROR || n == 0) { |
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818 ngx_mail_close_connection(c); |
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819 return NGX_ERROR; |
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820 } |
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821 |
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|
822 if (n > 0) { |
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|
823 s->buffer->last += n; |
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824 } |
1486
0e7074ef7303
style fix: remove trailing spaces
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1485
diff
changeset
|
825 |
1481
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|
826 if (n == NGX_AGAIN) { |
2388
722b5aff05ae
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2309
diff
changeset
|
827 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
1481
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828 ngx_mail_session_internal_server_error(s); |
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|
829 return NGX_ERROR; |
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|
830 } |
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|
831 |
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|
832 return NGX_AGAIN; |
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|
833 } |
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|
834 |
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|
835 ngx_mail_smtp_log_rejected_command(s, c, err); |
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836 |
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|
837 s->buffer->pos = s->buffer->start; |
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|
838 s->buffer->last = s->buffer->start; |
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diff
changeset
|
839 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
840 return NGX_OK; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
841 } |
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 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
844 static void |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
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845 ngx_mail_smtp_log_rejected_command(ngx_mail_session_t *s, ngx_connection_t *c, |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
846 char *err) |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
847 { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
848 u_char ch; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
849 ngx_str_t cmd; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
850 ngx_uint_t i; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
851 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
852 if (c->log->log_level < NGX_LOG_INFO) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
853 return; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
854 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
855 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
856 cmd.len = s->buffer->last - s->buffer->start; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
857 cmd.data = s->buffer->start; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
858 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
859 for (i = 0; i < cmd.len; i++) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
860 ch = cmd.data[i]; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
861 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
862 if (ch != CR && ch != LF) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
863 continue; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
864 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
865 |
1493
3c4111e07b58
use "_" instead of " " as new line substitute, do not delete trailing new line
Igor Sysoev <igor@sysoev.ru>
parents:
1487
diff
changeset
|
866 cmd.data[i] = '_'; |
1481
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
867 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
868 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
869 cmd.len = i; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
870 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
871 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
|
872 } |