Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail_smtp_handler.c @ 1803:7405719e4848
condition declarations inside blocks update missed in r1705
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sat, 29 Dec 2007 13:55:10 +0000 |
parents | 7806f453183e |
children | 057d362ee50e |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
1136 | 10 #include <ngx_mail.h> |
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11 #include <ngx_mail_smtp_module.h> |
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12 |
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13 |
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14 static void ngx_mail_smtp_invalid_pipelining(ngx_event_t *rev); |
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15 static ngx_int_t ngx_mail_smtp_create_buffer(ngx_mail_session_t *s, |
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16 ngx_connection_t *c); |
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17 |
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18 static ngx_int_t ngx_mail_smtp_helo(ngx_mail_session_t *s, ngx_connection_t *c); |
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19 static ngx_int_t ngx_mail_smtp_auth(ngx_mail_session_t *s, ngx_connection_t *c); |
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20 static ngx_int_t ngx_mail_smtp_mail(ngx_mail_session_t *s, ngx_connection_t *c); |
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21 static ngx_int_t ngx_mail_smtp_starttls(ngx_mail_session_t *s, |
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22 ngx_connection_t *c); |
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23 |
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24 static ngx_int_t ngx_mail_smtp_discard_command(ngx_mail_session_t *s, |
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25 ngx_connection_t *c, char *err); |
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26 static void ngx_mail_smtp_log_rejected_command(ngx_mail_session_t *s, |
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27 ngx_connection_t *c, char *err); |
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28 |
527 | 29 |
1136 | 30 static u_char smtp_ok[] = "250 2.0.0 OK" CRLF; |
31 static u_char smtp_bye[] = "221 2.0.0 Bye" CRLF; | |
1762 | 32 static u_char smtp_starttls[] = "220 2.0.0 Start TLS" CRLF; |
1136 | 33 static u_char smtp_next[] = "334 " CRLF; |
34 static u_char smtp_username[] = "334 VXNlcm5hbWU6" CRLF; | |
35 static u_char smtp_password[] = "334 UGFzc3dvcmQ6" CRLF; | |
36 static u_char smtp_invalid_command[] = "500 5.5.1 Invalid command" CRLF; | |
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37 static u_char smtp_invalid_pipelining[] = |
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38 "503 5.5.0 Improper use of SMTP command pipelining" CRLF; |
1136 | 39 static u_char smtp_invalid_argument[] = "501 5.5.4 Invalid argument" CRLF; |
40 static u_char smtp_auth_required[] = "530 5.7.1 Authentication required" CRLF; | |
41 | |
521 | 42 |
43 void | |
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44 ngx_mail_smtp_init_session(ngx_mail_session_t *s, ngx_connection_t *c) |
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45 { |
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46 ngx_msec_t timeout; |
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47 ngx_mail_core_srv_conf_t *cscf; |
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48 ngx_mail_smtp_srv_conf_t *sscf; |
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50 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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51 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
541 | 52 |
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53 timeout = sscf->greeting_delay ? sscf->greeting_delay : cscf->timeout; |
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54 ngx_add_timer(c->read, timeout); |
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55 |
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56 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
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57 ngx_mail_close_connection(c); |
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58 } |
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59 |
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60 if (sscf->greeting_delay) { |
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61 c->read->handler = ngx_mail_smtp_invalid_pipelining; |
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62 return; |
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63 } |
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64 |
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65 c->read->handler = ngx_mail_smtp_init_protocol; |
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67 s->out = sscf->greeting; |
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68 |
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69 ngx_mail_send(c->write); |
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70 } |
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71 |
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72 |
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73 static void |
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74 ngx_mail_smtp_invalid_pipelining(ngx_event_t *rev) |
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75 { |
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76 ngx_connection_t *c; |
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77 ngx_mail_session_t *s; |
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78 ngx_mail_core_srv_conf_t *cscf; |
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79 ngx_mail_smtp_srv_conf_t *sscf; |
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80 |
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81 c = rev->data; |
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82 s = c->data; |
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83 |
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84 c->log->action = "in delay pipelining state"; |
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85 |
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86 if (rev->timedout) { |
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87 |
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88 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "delay greeting"); |
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89 |
1484 | 90 rev->timedout = 0; |
91 | |
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92 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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93 |
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94 c->read->handler = ngx_mail_smtp_init_protocol; |
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95 |
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96 ngx_add_timer(c->read, cscf->timeout); |
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97 |
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98 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
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99 ngx_mail_close_connection(c); |
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100 return; |
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101 } |
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102 |
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103 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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104 |
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105 s->out = sscf->greeting; |
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106 |
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107 } else { |
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108 |
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109 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "invalid pipelining"); |
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110 |
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111 if (s->buffer == NULL) { |
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112 if (ngx_mail_smtp_create_buffer(s, c) != NGX_OK) { |
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113 return; |
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114 } |
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115 } |
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116 |
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117 if (ngx_mail_smtp_discard_command(s, c, |
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118 "client was rejected before greeting: \"%V\"") |
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119 != NGX_OK) |
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120 { |
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121 return; |
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122 } |
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123 |
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124 s->out.len = sizeof(smtp_invalid_pipelining) - 1; |
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125 s->out.data = smtp_invalid_pipelining; |
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126 } |
539 | 127 |
1136 | 128 ngx_mail_send(c->write); |
539 | 129 } |
130 | |
131 | |
132 void | |
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133 ngx_mail_smtp_init_protocol(ngx_event_t *rev) |
539 | 134 { |
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135 ngx_connection_t *c; |
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136 ngx_mail_session_t *s; |
417
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137 |
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138 c = rev->data; |
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139 |
541 | 140 c->log->action = "in auth state"; |
141 | |
423
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diff
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142 if (rev->timedout) { |
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143 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 144 c->timedout = 1; |
1136 | 145 ngx_mail_close_connection(c); |
423
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146 return; |
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147 } |
420
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148 |
539 | 149 s = c->data; |
521 | 150 |
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151 if (s->buffer == NULL) { |
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152 if (ngx_mail_smtp_create_buffer(s, c) != NGX_OK) { |
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153 return; |
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154 } |
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155 } |
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156 |
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157 s->mail_state = ngx_smtp_start; |
1477 | 158 c->read->handler = ngx_mail_smtp_auth_state; |
1136 | 159 |
1477 | 160 ngx_mail_smtp_auth_state(rev); |
521 | 161 } |
162 | |
163 | |
1483
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164 static ngx_int_t |
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165 ngx_mail_smtp_create_buffer(ngx_mail_session_t *s, ngx_connection_t *c) |
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166 { |
1487
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167 ngx_mail_smtp_srv_conf_t *sscf; |
1483
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168 |
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169 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) == NGX_ERROR) { |
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170 ngx_mail_session_internal_server_error(s); |
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171 return NGX_ERROR; |
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172 } |
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173 |
1487
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174 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
1483
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175 |
1487
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176 s->buffer = ngx_create_temp_buf(c->pool, sscf->client_buffer_size); |
1483
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177 if (s->buffer == NULL) { |
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178 ngx_mail_session_internal_server_error(s); |
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179 return NGX_ERROR; |
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180 } |
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181 |
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182 return NGX_OK; |
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183 } |
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184 |
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185 |
527 | 186 void |
1477 | 187 ngx_mail_smtp_auth_state(ngx_event_t *rev) |
420
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188 { |
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189 ngx_int_t rc; |
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190 ngx_connection_t *c; |
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191 ngx_mail_session_t *s; |
420
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192 |
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193 c = rev->data; |
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194 s = c->data; |
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195 |
1136 | 196 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp auth state"); |
421
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197 |
423
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198 if (rev->timedout) { |
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199 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 200 c->timedout = 1; |
1136 | 201 ngx_mail_close_connection(c); |
423
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202 return; |
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203 } |
420
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|
204 |
539 | 205 if (s->out.len) { |
1136 | 206 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp send handler busy"); |
539 | 207 s->blocked = 1; |
208 return; | |
209 } | |
210 | |
211 s->blocked = 0; | |
212 | |
1482 | 213 rc = ngx_mail_read_command(s, c); |
420
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|
214 |
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215 if (rc == NGX_AGAIN || rc == NGX_ERROR) { |
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216 return; |
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|
217 } |
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218 |
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219 s->out.len = sizeof(smtp_ok) - 1; |
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220 s->out.data = smtp_ok; |
421
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|
221 |
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diff
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|
222 if (rc == NGX_OK) { |
1136 | 223 switch (s->mail_state) { |
421
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|
224 |
1136 | 225 case ngx_smtp_start: |
421
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226 |
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227 switch (s->command) { |
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228 |
1136 | 229 case NGX_SMTP_HELO: |
230 case NGX_SMTP_EHLO: | |
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231 rc = ngx_mail_smtp_helo(s, c); |
809 | 232 break; |
233 | |
1136 | 234 case NGX_SMTP_AUTH: |
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235 rc = ngx_mail_smtp_auth(s, c); |
800 | 236 break; |
237 | |
1136 | 238 case NGX_SMTP_QUIT: |
539 | 239 s->quit = 1; |
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240 s->out.len = sizeof(smtp_bye) - 1; |
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241 s->out.data = smtp_bye; |
527 | 242 break; |
243 | |
1136 | 244 case NGX_SMTP_MAIL: |
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245 rc = ngx_mail_smtp_mail(s, c); |
583 | 246 break; |
247 | |
1136 | 248 case NGX_SMTP_NOOP: |
249 case NGX_SMTP_RSET: | |
421
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250 break; |
1322 | 251 |
252 case NGX_SMTP_STARTTLS: | |
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253 rc = ngx_mail_smtp_starttls(s, c); |
1762 | 254 s->out.len = sizeof(smtp_starttls) - 1; |
255 s->out.data = smtp_starttls; | |
1322 | 256 break; |
257 | |
258 default: | |
259 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
260 break; | |
421
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|
261 } |
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262 |
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|
263 break; |
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264 |
1136 | 265 case ngx_smtp_auth_login_username: |
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266 rc = ngx_mail_auth_login_username(s, c); |
809 | 267 |
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268 s->out.len = sizeof(smtp_password) - 1; |
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269 s->out.data = smtp_password; |
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270 s->mail_state = ngx_smtp_auth_login_password; |
809 | 271 break; |
272 | |
1136 | 273 case ngx_smtp_auth_login_password: |
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274 rc = ngx_mail_auth_login_password(s, c); |
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275 break; |
809 | 276 |
1136 | 277 case ngx_smtp_auth_plain: |
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278 rc = ngx_mail_auth_plain(s, c, 0); |
894
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279 break; |
809 | 280 |
1136 | 281 case ngx_smtp_auth_cram_md5: |
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282 rc = ngx_mail_auth_cram_md5(s, c); |
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283 break; |
421
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284 } |
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285 } |
420
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286 |
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287 switch (rc) { |
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288 |
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289 case NGX_DONE: |
1482 | 290 ngx_mail_auth(s, c); |
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291 return; |
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292 |
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293 case NGX_ERROR: |
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294 ngx_mail_session_internal_server_error(s); |
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295 return; |
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296 |
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297 case NGX_MAIL_PARSE_INVALID_COMMAND: |
1136 | 298 s->mail_state = ngx_smtp_start; |
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299 s->state = 0; |
420
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300 |
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301 s->out.len = sizeof(smtp_invalid_command) - 1; |
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302 s->out.data = smtp_invalid_command; |
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303 |
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304 /* fall through */ |
539 | 305 |
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306 case NGX_OK: |
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307 s->args.nelts = 0; |
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308 s->buffer->pos = s->buffer->start; |
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309 s->buffer->last = s->buffer->start; |
810 | 310 |
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311 if (s->state) { |
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312 s->arg_start = s->buffer->start; |
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313 } |
539 | 314 |
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315 ngx_mail_send(c->write); |
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316 } |
417
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317 } |
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318 |
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319 |
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320 static ngx_int_t |
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321 ngx_mail_smtp_helo(ngx_mail_session_t *s, ngx_connection_t *c) |
894
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322 { |
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323 ngx_str_t *arg; |
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324 ngx_mail_smtp_srv_conf_t *sscf; |
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325 |
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326 if (s->args.nelts != 1) { |
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327 s->out.len = sizeof(smtp_invalid_argument) - 1; |
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328 s->out.data = smtp_invalid_argument; |
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329 s->state = 0; |
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330 return NGX_OK; |
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331 } |
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332 |
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333 arg = s->args.elts; |
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334 |
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335 s->smtp_helo.len = arg[0].len; |
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336 |
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337 s->smtp_helo.data = ngx_palloc(c->pool, arg[0].len); |
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338 if (s->smtp_helo.data == NULL) { |
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339 return NGX_ERROR; |
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340 } |
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341 |
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342 ngx_memcpy(s->smtp_helo.data, arg[0].data, arg[0].len); |
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343 |
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344 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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345 |
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346 if (s->command == NGX_SMTP_HELO) { |
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347 s->out = sscf->server_name; |
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348 |
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349 } else { |
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350 s->esmtp = 1; |
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351 |
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352 #if (NGX_MAIL_SSL) |
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353 |
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354 if (c->ssl == NULL) { |
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355 ngx_mail_ssl_conf_t *sslcf; |
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356 |
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357 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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358 |
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359 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { |
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360 s->out = sscf->starttls_capability; |
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361 return NGX_OK; |
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362 } |
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363 |
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364 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { |
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365 s->out = sscf->starttls_only_capability; |
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366 return NGX_OK; |
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367 } |
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368 } |
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369 #endif |
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370 |
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371 s->out = sscf->capability; |
420
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372 } |
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373 |
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374 return NGX_OK; |
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375 } |
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376 |
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377 |
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378 static ngx_int_t |
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379 ngx_mail_smtp_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
525 | 380 { |
1479 | 381 ngx_int_t rc; |
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382 ngx_mail_core_srv_conf_t *cscf; |
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383 ngx_mail_smtp_srv_conf_t *sscf; |
525 | 384 |
1479 | 385 #if (NGX_MAIL_SSL) |
386 if (ngx_mail_starttls_only(s, c)) { | |
387 return NGX_MAIL_PARSE_INVALID_COMMAND; | |
539 | 388 } |
389 #endif | |
390 | |
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391 if (s->args.nelts == 0) { |
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392 s->out.len = sizeof(smtp_invalid_argument) - 1; |
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393 s->out.data = smtp_invalid_argument; |
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394 s->state = 0; |
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395 return NGX_OK; |
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396 } |
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397 |
1479 | 398 rc = ngx_mail_auth_parse(s, c); |
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399 |
1479 | 400 switch (rc) { |
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401 |
1479 | 402 case NGX_MAIL_AUTH_LOGIN: |
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403 |
1479 | 404 s->out.len = sizeof(smtp_username) - 1; |
405 s->out.data = smtp_username; | |
406 s->mail_state = ngx_smtp_auth_login_username; | |
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407 |
1479 | 408 return NGX_OK; |
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409 |
1479 | 410 case NGX_MAIL_AUTH_PLAIN: |
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411 |
1479 | 412 s->out.len = sizeof(smtp_next) - 1; |
413 s->out.data = smtp_next; | |
414 s->mail_state = ngx_smtp_auth_plain; | |
543 | 415 |
1479 | 416 return NGX_OK; |
417 | |
418 case NGX_MAIL_AUTH_CRAM_MD5: | |
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419 |
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changeset
|
420 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
1476
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parents:
1472
diff
changeset
|
421 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
422 if (!(sscf->auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED)) { |
1476
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parents:
1472
diff
changeset
|
423 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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parents:
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diff
changeset
|
424 } |
479 | 425 |
1485
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
426 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
|
427 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
|
428 |
1485
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create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
429 if (ngx_mail_salt(s, c, cscf) != NGX_OK) { |
b3488fc2675a
create salt just before it will be used
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parents:
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diff
changeset
|
430 return NGX_ERROR; |
b3488fc2675a
create salt just before it will be used
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parents:
1484
diff
changeset
|
431 } |
b3488fc2675a
create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
432 } |
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create salt just before it will be used
Igor Sysoev <igor@sysoev.ru>
parents:
1484
diff
changeset
|
433 |
1479 | 434 if (ngx_mail_auth_cram_md5_salt(s, c, "334 ", 4) == NGX_OK) { |
435 s->mail_state = ngx_smtp_auth_cram_md5; | |
436 return NGX_OK; | |
1476
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parents:
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diff
changeset
|
437 } |
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parents:
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diff
changeset
|
438 |
1479 | 439 return NGX_ERROR; |
1476
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parents:
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diff
changeset
|
440 } |
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parents:
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diff
changeset
|
441 |
1479 | 442 return rc; |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
443 } |
539 | 444 |
445 | |
1476
67578e966dcc
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parents:
1472
diff
changeset
|
446 static ngx_int_t |
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parents:
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diff
changeset
|
447 ngx_mail_smtp_mail(ngx_mail_session_t *s, ngx_connection_t *c) |
541 | 448 { |
1481
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
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diff
changeset
|
449 ngx_mail_smtp_log_rejected_command(s, c, "client was rejected: \"%V\""); |
577 | 450 |
1476
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parents:
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diff
changeset
|
451 s->out.len = sizeof(smtp_auth_required) - 1; |
67578e966dcc
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parents:
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diff
changeset
|
452 s->out.data = smtp_auth_required; |
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split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
453 |
67578e966dcc
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parents:
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diff
changeset
|
454 return NGX_OK; |
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parents:
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diff
changeset
|
455 } |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
456 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
457 |
67578e966dcc
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parents:
1472
diff
changeset
|
458 static ngx_int_t |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
459 ngx_mail_smtp_starttls(ngx_mail_session_t *s, ngx_connection_t *c) |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
460 { |
67578e966dcc
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parents:
1472
diff
changeset
|
461 #if (NGX_MAIL_SSL) |
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
462 ngx_mail_ssl_conf_t *sslcf; |
541 | 463 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
464 if (c->ssl == NULL) { |
67578e966dcc
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parents:
1472
diff
changeset
|
465 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
466 if (sslcf->starttls) { |
541 | 467 |
1476
67578e966dcc
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Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
468 /* |
67578e966dcc
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parents:
1472
diff
changeset
|
469 * RFC3207 requires us to discard any knowledge |
67578e966dcc
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parents:
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diff
changeset
|
470 * obtained from client before STARTTLS. |
67578e966dcc
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parents:
1472
diff
changeset
|
471 */ |
541 | 472 |
1476
67578e966dcc
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parents:
1472
diff
changeset
|
473 s->smtp_helo.len = 0; |
67578e966dcc
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parents:
1472
diff
changeset
|
474 s->smtp_helo.data = NULL; |
67578e966dcc
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parents:
1472
diff
changeset
|
475 |
67578e966dcc
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parents:
1472
diff
changeset
|
476 c->read->handler = ngx_mail_starttls_handler; |
67578e966dcc
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parents:
1472
diff
changeset
|
477 return NGX_OK; |
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parents:
1472
diff
changeset
|
478 } |
541 | 479 } |
480 | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
481 #endif |
541 | 482 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
483 return NGX_MAIL_PARSE_INVALID_COMMAND; |
541 | 484 } |
1481
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
485 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
486 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
487 static ngx_int_t |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
488 ngx_mail_smtp_discard_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
|
489 char *err) |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
490 { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
491 ssize_t n; |
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smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
492 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
493 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
494 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
495 if (n == NGX_ERROR || n == 0) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
496 ngx_mail_close_connection(c); |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
497 return NGX_ERROR; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
498 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
499 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
500 if (n > 0) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
501 s->buffer->last += n; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
502 } |
1486
0e7074ef7303
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1485
diff
changeset
|
503 |
1481
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
504 if (n == NGX_AGAIN) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
505 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
506 ngx_mail_session_internal_server_error(s); |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
507 return NGX_ERROR; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
508 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
509 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
510 return NGX_AGAIN; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
511 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
512 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
513 ngx_mail_smtp_log_rejected_command(s, c, err); |
b58ce1cf66da
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parents:
1480
diff
changeset
|
514 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
515 s->buffer->pos = s->buffer->start; |
b58ce1cf66da
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parents:
1480
diff
changeset
|
516 s->buffer->last = s->buffer->start; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
517 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
518 return NGX_OK; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
519 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
520 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
521 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
522 static void |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
523 ngx_mail_smtp_log_rejected_command(ngx_mail_session_t *s, ngx_connection_t *c, |
b58ce1cf66da
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parents:
1480
diff
changeset
|
524 char *err) |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
525 { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
526 u_char ch; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
527 ngx_str_t cmd; |
b58ce1cf66da
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Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
528 ngx_uint_t i; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
529 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
530 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
|
531 return; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
532 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
533 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
534 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
|
535 cmd.data = s->buffer->start; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
536 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
537 for (i = 0; i < cmd.len; i++) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
538 ch = cmd.data[i]; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
539 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
540 if (ch != CR && ch != LF) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
541 continue; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
542 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
543 |
1493
3c4111e07b58
use "_" instead of " " as new line substitute, do not delete trailing new line
Igor Sysoev <igor@sysoev.ru>
parents:
1487
diff
changeset
|
544 cmd.data[i] = '_'; |
1481
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
545 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
546 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
547 cmd.len = i; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
548 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
549 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
|
550 } |