Mercurial > hg > nginx
annotate src/mail/ngx_mail_smtp_handler.c @ 5396:42f874c0b970
Mail: added session close on smtp_greeting_delay violation.
A server MUST send greeting before other replies, while before this
change in case of smtp_greeting_delay violation the 220 greeting was
sent after several 503 replies to commands received before greeting,
resulting in protocol synchronization loss. Moreover, further commands
were accepted after the greeting.
While closing a connection isn't strictly RFC compliant (RFC 5321
requires servers to wait for a QUIT before closing a connection), it's
probably good enough for practial uses.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 30 Sep 2013 22:09:50 +0400 |
parents | d620f497c50f |
children | 04e43d03e153 |
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 struct sockaddr_in *sin; |
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59 ngx_resolver_ctx_t *ctx; |
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60 ngx_mail_core_srv_conf_t *cscf; |
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61 |
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62 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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63 |
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64 if (cscf->resolver == NULL) { |
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65 s->host = smtp_unavailable; |
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66 ngx_mail_smtp_greeting(s, c); |
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67 return; |
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68 } |
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69 |
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70 if (c->sockaddr->sa_family != AF_INET) { |
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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 |
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76 c->log->action = "in resolving client address"; |
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77 |
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78 ctx = ngx_resolve_start(cscf->resolver, NULL); |
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79 if (ctx == NULL) { |
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80 ngx_mail_close_connection(c); |
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81 return; |
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82 } |
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83 |
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84 /* AF_INET only */ |
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85 |
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86 sin = (struct sockaddr_in *) c->sockaddr; |
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87 |
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88 ctx->addr = sin->sin_addr.s_addr; |
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89 ctx->handler = ngx_mail_smtp_resolve_addr_handler; |
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90 ctx->data = s; |
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91 ctx->timeout = cscf->resolver_timeout; |
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92 |
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93 if (ngx_resolve_addr(ctx) != NGX_OK) { |
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94 ngx_mail_close_connection(c); |
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95 } |
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96 } |
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97 |
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98 |
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99 static void |
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100 ngx_mail_smtp_resolve_addr_handler(ngx_resolver_ctx_t *ctx) |
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101 { |
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102 ngx_connection_t *c; |
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103 ngx_mail_session_t *s; |
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104 |
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105 s = ctx->data; |
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106 c = s->connection; |
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107 |
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108 if (ctx->state) { |
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109 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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110 "%V could not be resolved (%i: %s)", |
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111 &c->addr_text, ctx->state, |
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112 ngx_resolver_strerror(ctx->state)); |
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113 |
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114 if (ctx->state == NGX_RESOLVE_NXDOMAIN) { |
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115 s->host = smtp_unavailable; |
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116 |
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117 } else { |
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118 s->host = smtp_tempunavail; |
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119 } |
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120 |
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121 ngx_resolve_addr_done(ctx); |
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122 |
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123 ngx_mail_smtp_greeting(s, s->connection); |
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124 |
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125 return; |
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126 } |
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127 |
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128 c->log->action = "in resolving client hostname"; |
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129 |
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130 s->host.data = ngx_pstrdup(c->pool, &ctx->name); |
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131 if (s->host.data == NULL) { |
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132 ngx_resolve_addr_done(ctx); |
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133 ngx_mail_close_connection(c); |
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134 return; |
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135 } |
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136 |
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137 s->host.len = ctx->name.len; |
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138 |
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139 ngx_resolve_addr_done(ctx); |
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140 |
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141 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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142 "address resolved: %V", &s->host); |
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143 |
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144 c->read->handler = ngx_mail_smtp_resolve_name; |
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145 |
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146 ngx_post_event(c->read, &ngx_posted_events); |
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147 } |
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148 |
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149 |
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150 static void |
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151 ngx_mail_smtp_resolve_name(ngx_event_t *rev) |
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152 { |
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153 ngx_connection_t *c; |
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154 ngx_mail_session_t *s; |
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155 ngx_resolver_ctx_t *ctx; |
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156 ngx_mail_core_srv_conf_t *cscf; |
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157 |
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158 c = rev->data; |
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159 s = c->data; |
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160 |
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161 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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162 |
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163 ctx = ngx_resolve_start(cscf->resolver, NULL); |
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164 if (ctx == NULL) { |
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165 ngx_mail_close_connection(c); |
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166 return; |
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167 } |
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168 |
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169 ctx->name = s->host; |
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170 ctx->type = NGX_RESOLVE_A; |
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171 ctx->handler = ngx_mail_smtp_resolve_name_handler; |
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172 ctx->data = s; |
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173 ctx->timeout = cscf->resolver_timeout; |
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174 |
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175 if (ngx_resolve_name(ctx) != NGX_OK) { |
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176 ngx_mail_close_connection(c); |
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177 } |
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178 } |
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179 |
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180 |
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181 static void |
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182 ngx_mail_smtp_resolve_name_handler(ngx_resolver_ctx_t *ctx) |
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183 { |
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184 in_addr_t addr; |
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185 ngx_uint_t i; |
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186 ngx_connection_t *c; |
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187 struct sockaddr_in *sin; |
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188 ngx_mail_session_t *s; |
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189 |
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190 s = ctx->data; |
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191 c = s->connection; |
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192 |
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193 if (ctx->state) { |
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194 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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195 "\"%V\" could not be resolved (%i: %s)", |
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196 &ctx->name, ctx->state, |
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197 ngx_resolver_strerror(ctx->state)); |
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198 |
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199 if (ctx->state == NGX_RESOLVE_NXDOMAIN) { |
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200 s->host = smtp_unavailable; |
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201 |
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202 } else { |
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203 s->host = smtp_tempunavail; |
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204 } |
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205 |
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206 } else { |
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207 |
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208 /* AF_INET only */ |
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209 |
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210 sin = (struct sockaddr_in *) c->sockaddr; |
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211 |
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212 for (i = 0; i < ctx->naddrs; i++) { |
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213 |
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214 addr = ctx->addrs[i]; |
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215 |
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216 ngx_log_debug4(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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217 "name was resolved to %ud.%ud.%ud.%ud", |
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218 (ntohl(addr) >> 24) & 0xff, |
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219 (ntohl(addr) >> 16) & 0xff, |
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220 (ntohl(addr) >> 8) & 0xff, |
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221 ntohl(addr) & 0xff); |
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222 |
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223 if (addr == sin->sin_addr.s_addr) { |
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224 goto found; |
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225 } |
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226 } |
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227 |
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228 s->host = smtp_unavailable; |
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229 } |
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230 |
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231 found: |
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232 |
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233 ngx_resolve_name_done(ctx); |
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234 |
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235 ngx_mail_smtp_greeting(s, c); |
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236 } |
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237 |
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238 |
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239 static void |
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240 ngx_mail_smtp_greeting(ngx_mail_session_t *s, ngx_connection_t *c) |
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241 { |
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242 ngx_msec_t timeout; |
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243 ngx_mail_core_srv_conf_t *cscf; |
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244 ngx_mail_smtp_srv_conf_t *sscf; |
641 | 245 |
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246 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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247 "smtp greeting for \"%V\"", &s->host); |
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248 |
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249 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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250 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
541 | 251 |
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252 timeout = sscf->greeting_delay ? sscf->greeting_delay : cscf->timeout; |
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253 ngx_add_timer(c->read, timeout); |
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254 |
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255 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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256 ngx_mail_close_connection(c); |
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257 } |
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258 |
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259 if (sscf->greeting_delay) { |
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260 c->read->handler = ngx_mail_smtp_invalid_pipelining; |
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261 return; |
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262 } |
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263 |
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264 c->read->handler = ngx_mail_smtp_init_protocol; |
583 | 265 |
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266 s->out = sscf->greeting; |
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267 |
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268 ngx_mail_send(c->write); |
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269 } |
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270 |
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271 |
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272 static void |
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273 ngx_mail_smtp_invalid_pipelining(ngx_event_t *rev) |
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274 { |
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275 ngx_connection_t *c; |
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276 ngx_mail_session_t *s; |
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277 ngx_mail_core_srv_conf_t *cscf; |
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278 ngx_mail_smtp_srv_conf_t *sscf; |
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279 |
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280 c = rev->data; |
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281 s = c->data; |
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282 |
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283 c->log->action = "in delay pipelining state"; |
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284 |
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285 if (rev->timedout) { |
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286 |
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287 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "delay greeting"); |
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288 |
1484 | 289 rev->timedout = 0; |
290 | |
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291 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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292 |
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293 c->read->handler = ngx_mail_smtp_init_protocol; |
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294 |
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295 ngx_add_timer(c->read, cscf->timeout); |
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296 |
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297 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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298 ngx_mail_close_connection(c); |
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299 return; |
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300 } |
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301 |
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302 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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303 |
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304 s->out = sscf->greeting; |
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305 |
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306 } else { |
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307 |
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308 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "invalid pipelining"); |
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309 |
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310 if (s->buffer == NULL) { |
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311 if (ngx_mail_smtp_create_buffer(s, c) != NGX_OK) { |
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312 return; |
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313 } |
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314 } |
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315 |
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316 if (ngx_mail_smtp_discard_command(s, c, |
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317 "client was rejected before greeting: \"%V\"") |
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318 != NGX_OK) |
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319 { |
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320 return; |
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321 } |
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322 |
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323 ngx_str_set(&s->out, smtp_invalid_pipelining); |
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324 s->quit = 1; |
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325 } |
539 | 326 |
1136 | 327 ngx_mail_send(c->write); |
539 | 328 } |
329 | |
330 | |
331 void | |
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332 ngx_mail_smtp_init_protocol(ngx_event_t *rev) |
539 | 333 { |
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334 ngx_connection_t *c; |
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335 ngx_mail_session_t *s; |
417
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336 |
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337 c = rev->data; |
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338 |
541 | 339 c->log->action = "in auth state"; |
340 | |
423
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341 if (rev->timedout) { |
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342 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 343 c->timedout = 1; |
1136 | 344 ngx_mail_close_connection(c); |
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345 return; |
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346 } |
420
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347 |
539 | 348 s = c->data; |
521 | 349 |
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350 if (s->buffer == NULL) { |
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351 if (ngx_mail_smtp_create_buffer(s, c) != NGX_OK) { |
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352 return; |
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353 } |
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354 } |
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355 |
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356 s->mail_state = ngx_smtp_start; |
1477 | 357 c->read->handler = ngx_mail_smtp_auth_state; |
1136 | 358 |
1477 | 359 ngx_mail_smtp_auth_state(rev); |
521 | 360 } |
361 | |
362 | |
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363 static ngx_int_t |
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364 ngx_mail_smtp_create_buffer(ngx_mail_session_t *s, ngx_connection_t *c) |
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365 { |
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366 ngx_mail_smtp_srv_conf_t *sscf; |
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367 |
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368 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) == NGX_ERROR) { |
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369 ngx_mail_session_internal_server_error(s); |
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370 return NGX_ERROR; |
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371 } |
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372 |
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373 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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374 |
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375 s->buffer = ngx_create_temp_buf(c->pool, sscf->client_buffer_size); |
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376 if (s->buffer == NULL) { |
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377 ngx_mail_session_internal_server_error(s); |
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diff
changeset
|
378 return NGX_ERROR; |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
379 } |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
380 |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
381 return NGX_OK; |
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 |
46f364406994
ngx_mail_smtp_create_buffer()
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
384 |
527 | 385 void |
1477 | 386 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
|
387 { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
388 ngx_int_t rc; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
389 ngx_connection_t *c; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
390 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
|
391 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
392 c = rev->data; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
393 s = c->data; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
394 |
1136 | 395 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
|
396 |
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
397 if (rev->timedout) { |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
398 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 399 c->timedout = 1; |
1136 | 400 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
|
401 return; |
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
402 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
403 |
539 | 404 if (s->out.len) { |
1136 | 405 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp send handler busy"); |
539 | 406 s->blocked = 1; |
407 return; | |
408 } | |
409 | |
410 s->blocked = 0; | |
411 | |
1482 | 412 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
|
413 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
414 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
|
415 return; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
416 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
417 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
418 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
|
419 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
420 if (rc == NGX_OK) { |
1136 | 421 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
|
422 |
1136 | 423 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
|
424 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
425 switch (s->command) { |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
426 |
1136 | 427 case NGX_SMTP_HELO: |
428 case NGX_SMTP_EHLO: | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
429 rc = ngx_mail_smtp_helo(s, c); |
809 | 430 break; |
431 | |
1136 | 432 case NGX_SMTP_AUTH: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
433 rc = ngx_mail_smtp_auth(s, c); |
800 | 434 break; |
435 | |
1136 | 436 case NGX_SMTP_QUIT: |
539 | 437 s->quit = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
438 ngx_str_set(&s->out, smtp_bye); |
527 | 439 break; |
440 | |
1136 | 441 case NGX_SMTP_MAIL: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
442 rc = ngx_mail_smtp_mail(s, c); |
583 | 443 break; |
444 | |
2309 | 445 case NGX_SMTP_RCPT: |
446 rc = ngx_mail_smtp_rcpt(s, c); | |
447 break; | |
448 | |
449 case NGX_SMTP_RSET: | |
450 rc = ngx_mail_smtp_rset(s, c); | |
451 break; | |
452 | |
1136 | 453 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
|
454 break; |
1322 | 455 |
456 case NGX_SMTP_STARTTLS: | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
457 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
|
458 ngx_str_set(&s->out, smtp_starttls); |
1322 | 459 break; |
460 | |
461 default: | |
462 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
463 break; | |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
464 } |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
465 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
466 break; |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
467 |
1136 | 468 case ngx_smtp_auth_login_username: |
2495
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2488
diff
changeset
|
469 rc = ngx_mail_auth_login_username(s, c, 0); |
809 | 470 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
471 ngx_str_set(&s->out, smtp_password); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
472 s->mail_state = ngx_smtp_auth_login_password; |
809 | 473 break; |
474 | |
1136 | 475 case ngx_smtp_auth_login_password: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
476 rc = ngx_mail_auth_login_password(s, c); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
477 break; |
809 | 478 |
1136 | 479 case ngx_smtp_auth_plain: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
480 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
|
481 break; |
809 | 482 |
1136 | 483 case ngx_smtp_auth_cram_md5: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
484 rc = ngx_mail_auth_cram_md5(s, c); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
485 break; |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
486 } |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
487 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
488 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
489 switch (rc) { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
490 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
491 case NGX_DONE: |
1482 | 492 ngx_mail_auth(s, c); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
493 return; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
494 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
495 case NGX_ERROR: |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
496 ngx_mail_session_internal_server_error(s); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
497 return; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
498 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
499 case NGX_MAIL_PARSE_INVALID_COMMAND: |
1136 | 500 s->mail_state = ngx_smtp_start; |
1486
0e7074ef7303
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1485
diff
changeset
|
501 s->state = 0; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
502 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
|
503 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
504 /* fall through */ |
539 | 505 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
506 case NGX_OK: |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
507 s->args.nelts = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
508 s->buffer->pos = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
509 s->buffer->last = s->buffer->start; |
810 | 510 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
511 if (s->state) { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
512 s->arg_start = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
513 } |
539 | 514 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
515 ngx_mail_send(c->write); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
516 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
517 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
518 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
519 |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
520 static ngx_int_t |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
521 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
|
522 { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
523 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
|
524 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
|
525 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
526 if (s->args.nelts != 1) { |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3299
diff
changeset
|
527 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
|
528 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
529 return NGX_OK; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
530 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
531 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
532 arg = s->args.elts; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
533 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
534 s->smtp_helo.len = arg[0].len; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
535 |
2049 | 536 s->smtp_helo.data = ngx_pnalloc(c->pool, arg[0].len); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
537 if (s->smtp_helo.data == NULL) { |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
538 return NGX_ERROR; |
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
539 } |
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
540 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
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541 ngx_memcpy(s->smtp_helo.data, arg[0].data, arg[0].len); |
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542 |
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543 ngx_str_null(&s->smtp_from); |
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544 ngx_str_null(&s->smtp_to); |
2309 | 545 |
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546 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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547 |
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548 if (s->command == NGX_SMTP_HELO) { |
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549 s->out = sscf->server_name; |
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550 |
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551 } else { |
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552 s->esmtp = 1; |
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553 |
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554 #if (NGX_MAIL_SSL) |
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555 |
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556 if (c->ssl == NULL) { |
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557 ngx_mail_ssl_conf_t *sslcf; |
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558 |
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559 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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560 |
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561 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { |
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562 s->out = sscf->starttls_capability; |
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563 return NGX_OK; |
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564 } |
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565 |
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566 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { |
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567 s->out = sscf->starttls_only_capability; |
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568 return NGX_OK; |
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569 } |
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570 } |
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571 #endif |
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572 |
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573 s->out = sscf->capability; |
420
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574 } |
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575 |
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576 return NGX_OK; |
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577 } |
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578 |
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579 |
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580 static ngx_int_t |
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581 ngx_mail_smtp_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
525 | 582 { |
1479 | 583 ngx_int_t rc; |
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584 ngx_mail_core_srv_conf_t *cscf; |
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585 ngx_mail_smtp_srv_conf_t *sscf; |
525 | 586 |
1479 | 587 #if (NGX_MAIL_SSL) |
588 if (ngx_mail_starttls_only(s, c)) { | |
589 return NGX_MAIL_PARSE_INVALID_COMMAND; | |
539 | 590 } |
591 #endif | |
592 | |
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593 if (s->args.nelts == 0) { |
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594 ngx_str_set(&s->out, smtp_invalid_argument); |
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595 s->state = 0; |
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596 return NGX_OK; |
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597 } |
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598 |
1479 | 599 rc = ngx_mail_auth_parse(s, c); |
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600 |
1479 | 601 switch (rc) { |
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602 |
1479 | 603 case NGX_MAIL_AUTH_LOGIN: |
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604 |
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605 ngx_str_set(&s->out, smtp_username); |
1479 | 606 s->mail_state = ngx_smtp_auth_login_username; |
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607 |
1479 | 608 return NGX_OK; |
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609 |
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610 case NGX_MAIL_AUTH_LOGIN_USERNAME: |
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611 |
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612 ngx_str_set(&s->out, smtp_password); |
2495
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613 s->mail_state = ngx_smtp_auth_login_password; |
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614 |
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615 return ngx_mail_auth_login_username(s, c, 1); |
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616 |
1479 | 617 case NGX_MAIL_AUTH_PLAIN: |
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618 |
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619 ngx_str_set(&s->out, smtp_next); |
1479 | 620 s->mail_state = ngx_smtp_auth_plain; |
543 | 621 |
1479 | 622 return NGX_OK; |
623 | |
624 case NGX_MAIL_AUTH_CRAM_MD5: | |
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625 |
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626 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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627 |
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628 if (!(sscf->auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED)) { |
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629 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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630 } |
479 | 631 |
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632 if (s->salt.data == NULL) { |
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633 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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634 |
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635 if (ngx_mail_salt(s, c, cscf) != NGX_OK) { |
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636 return NGX_ERROR; |
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637 } |
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638 } |
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639 |
1479 | 640 if (ngx_mail_auth_cram_md5_salt(s, c, "334 ", 4) == NGX_OK) { |
641 s->mail_state = ngx_smtp_auth_cram_md5; | |
642 return NGX_OK; | |
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643 } |
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644 |
1479 | 645 return NGX_ERROR; |
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646 } |
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647 |
1479 | 648 return rc; |
417
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649 } |
539 | 650 |
651 | |
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652 static ngx_int_t |
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653 ngx_mail_smtp_mail(ngx_mail_session_t *s, ngx_connection_t *c) |
541 | 654 { |
2309 | 655 u_char ch; |
656 ngx_str_t l; | |
657 ngx_uint_t i; | |
658 ngx_mail_smtp_srv_conf_t *sscf; | |
659 | |
660 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); | |
661 | |
662 if (!(sscf->auth_methods & NGX_MAIL_AUTH_NONE_ENABLED)) { | |
663 ngx_mail_smtp_log_rejected_command(s, c, "client was rejected: \"%V\""); | |
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664 ngx_str_set(&s->out, smtp_auth_required); |
2309 | 665 return NGX_OK; |
666 } | |
667 | |
668 /* auth none */ | |
669 | |
670 if (s->smtp_from.len) { | |
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671 ngx_str_set(&s->out, smtp_bad_sequence); |
2309 | 672 return NGX_OK; |
673 } | |
674 | |
675 l.len = s->buffer->last - s->buffer->start; | |
676 l.data = s->buffer->start; | |
677 | |
678 for (i = 0; i < l.len; i++) { | |
679 ch = l.data[i]; | |
680 | |
681 if (ch != CR && ch != LF) { | |
682 continue; | |
683 } | |
684 | |
685 l.data[i] = ' '; | |
686 } | |
687 | |
688 while (i) { | |
689 if (l.data[i - 1] != ' ') { | |
690 break; | |
691 } | |
692 | |
693 i--; | |
694 } | |
695 | |
696 l.len = i; | |
697 | |
698 s->smtp_from.len = l.len; | |
699 | |
700 s->smtp_from.data = ngx_pnalloc(c->pool, l.len); | |
701 if (s->smtp_from.data == NULL) { | |
702 return NGX_ERROR; | |
703 } | |
704 | |
705 ngx_memcpy(s->smtp_from.data, l.data, l.len); | |
706 | |
707 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
708 "smtp mail from:\"%V\"", &s->smtp_from); | |
709 | |
3516
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|
710 ngx_str_set(&s->out, smtp_ok); |
2309 | 711 |
712 return NGX_OK; | |
713 } | |
577 | 714 |
2309 | 715 |
716 static ngx_int_t | |
717 ngx_mail_smtp_rcpt(ngx_mail_session_t *s, ngx_connection_t *c) | |
718 { | |
719 u_char ch; | |
720 ngx_str_t l; | |
721 ngx_uint_t i; | |
722 | |
723 if (s->smtp_from.len == 0) { | |
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|
724 ngx_str_set(&s->out, smtp_bad_sequence); |
2309 | 725 return NGX_OK; |
726 } | |
727 | |
728 l.len = s->buffer->last - s->buffer->start; | |
729 l.data = s->buffer->start; | |
730 | |
731 for (i = 0; i < l.len; i++) { | |
732 ch = l.data[i]; | |
733 | |
734 if (ch != CR && ch != LF) { | |
735 continue; | |
736 } | |
737 | |
738 l.data[i] = ' '; | |
739 } | |
740 | |
741 while (i) { | |
742 if (l.data[i - 1] != ' ') { | |
743 break; | |
744 } | |
745 | |
746 i--; | |
747 } | |
748 | |
749 l.len = i; | |
750 | |
751 s->smtp_to.len = l.len; | |
752 | |
753 s->smtp_to.data = ngx_pnalloc(c->pool, l.len); | |
754 if (s->smtp_to.data == NULL) { | |
755 return NGX_ERROR; | |
756 } | |
757 | |
758 ngx_memcpy(s->smtp_to.data, l.data, l.len); | |
759 | |
760 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
761 "smtp rcpt to:\"%V\"", &s->smtp_to); | |
762 | |
763 s->auth_method = NGX_MAIL_AUTH_NONE; | |
764 | |
765 return NGX_DONE; | |
766 } | |
767 | |
768 | |
769 static ngx_int_t | |
770 ngx_mail_smtp_rset(ngx_mail_session_t *s, ngx_connection_t *c) | |
771 { | |
3516
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|
772 ngx_str_null(&s->smtp_from); |
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|
773 ngx_str_null(&s->smtp_to); |
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diff
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|
774 ngx_str_set(&s->out, smtp_ok); |
1476
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775 |
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776 return NGX_OK; |
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|
777 } |
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|
778 |
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|
779 |
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780 static ngx_int_t |
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781 ngx_mail_smtp_starttls(ngx_mail_session_t *s, ngx_connection_t *c) |
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782 { |
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|
783 #if (NGX_MAIL_SSL) |
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changeset
|
784 ngx_mail_ssl_conf_t *sslcf; |
541 | 785 |
1476
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|
786 if (c->ssl == NULL) { |
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diff
changeset
|
787 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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changeset
|
788 if (sslcf->starttls) { |
541 | 789 |
1476
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|
790 /* |
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|
791 * RFC3207 requires us to discard any knowledge |
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|
792 * obtained from client before STARTTLS. |
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changeset
|
793 */ |
541 | 794 |
3516
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ngx_str_set() and ngx_str_null()
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changeset
|
795 ngx_str_null(&s->smtp_helo); |
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changeset
|
796 ngx_str_null(&s->smtp_from); |
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diff
changeset
|
797 ngx_str_null(&s->smtp_to); |
1476
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|
798 |
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|
799 c->read->handler = ngx_mail_starttls_handler; |
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800 return NGX_OK; |
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801 } |
541 | 802 } |
803 | |
1476
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|
804 #endif |
541 | 805 |
1476
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|
806 return NGX_MAIL_PARSE_INVALID_COMMAND; |
541 | 807 } |
1481
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|
808 |
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|
809 |
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|
810 static ngx_int_t |
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diff
changeset
|
811 ngx_mail_smtp_discard_command(ngx_mail_session_t *s, ngx_connection_t *c, |
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changeset
|
812 char *err) |
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smtp_client_buffer and smtp_greeting_delay
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diff
changeset
|
813 { |
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changeset
|
814 ssize_t n; |
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815 |
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diff
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|
816 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
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|
817 |
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diff
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|
818 if (n == NGX_ERROR || n == 0) { |
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changeset
|
819 ngx_mail_close_connection(c); |
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820 return NGX_ERROR; |
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|
821 } |
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|
822 |
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|
823 if (n > 0) { |
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diff
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|
824 s->buffer->last += n; |
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diff
changeset
|
825 } |
1486
0e7074ef7303
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1485
diff
changeset
|
826 |
1481
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diff
changeset
|
827 if (n == NGX_AGAIN) { |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
828 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
1481
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|
829 ngx_mail_session_internal_server_error(s); |
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|
830 return NGX_ERROR; |
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|
831 } |
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changeset
|
832 |
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changeset
|
833 return NGX_AGAIN; |
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|
834 } |
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|
835 |
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|
836 ngx_mail_smtp_log_rejected_command(s, c, err); |
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|
837 |
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|
838 s->buffer->pos = s->buffer->start; |
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|
839 s->buffer->last = s->buffer->start; |
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changeset
|
840 |
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changeset
|
841 return NGX_OK; |
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|
842 } |
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changeset
|
843 |
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|
844 |
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|
845 static void |
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|
846 ngx_mail_smtp_log_rejected_command(ngx_mail_session_t *s, ngx_connection_t *c, |
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|
847 char *err) |
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|
848 { |
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|
849 u_char ch; |
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diff
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|
850 ngx_str_t cmd; |
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changeset
|
851 ngx_uint_t i; |
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|
852 |
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|
853 if (c->log->log_level < NGX_LOG_INFO) { |
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854 return; |
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changeset
|
855 } |
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diff
changeset
|
856 |
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|
857 cmd.len = s->buffer->last - s->buffer->start; |
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|
858 cmd.data = s->buffer->start; |
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|
859 |
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changeset
|
860 for (i = 0; i < cmd.len; i++) { |
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|
861 ch = cmd.data[i]; |
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|
862 |
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|
863 if (ch != CR && ch != LF) { |
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|
864 continue; |
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|
865 } |
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diff
changeset
|
866 |
1493
3c4111e07b58
use "_" instead of " " as new line substitute, do not delete trailing new line
Igor Sysoev <igor@sysoev.ru>
parents:
1487
diff
changeset
|
867 cmd.data[i] = '_'; |
1481
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|
868 } |
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changeset
|
869 |
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changeset
|
870 cmd.len = i; |
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diff
changeset
|
871 |
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diff
changeset
|
872 ngx_log_error(NGX_LOG_INFO, c->log, 0, err, &cmd); |
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|
873 } |