Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail_smtp_handler.c @ 2455:9683d810a1ab
release-0.7.31 tag
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 19 Jan 2009 13:57:02 +0000 |
parents | 722b5aff05ae |
children | ac695b3e981c |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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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_resolve_addr_handler(ngx_resolver_ctx_t *ctx); |
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15 static void ngx_mail_smtp_resolve_name_handler(ngx_resolver_ctx_t *ctx); |
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16 static void ngx_mail_smtp_greeting(ngx_mail_session_t *s, ngx_connection_t *c); |
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17 static void ngx_mail_smtp_invalid_pipelining(ngx_event_t *rev); |
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18 static ngx_int_t ngx_mail_smtp_create_buffer(ngx_mail_session_t *s, |
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19 ngx_connection_t *c); |
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20 |
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21 static ngx_int_t ngx_mail_smtp_helo(ngx_mail_session_t *s, ngx_connection_t *c); |
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22 static ngx_int_t ngx_mail_smtp_auth(ngx_mail_session_t *s, ngx_connection_t *c); |
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23 static ngx_int_t ngx_mail_smtp_mail(ngx_mail_session_t *s, ngx_connection_t *c); |
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24 static ngx_int_t ngx_mail_smtp_starttls(ngx_mail_session_t *s, |
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25 ngx_connection_t *c); |
2309 | 26 static ngx_int_t ngx_mail_smtp_rset(ngx_mail_session_t *s, ngx_connection_t *c); |
27 static ngx_int_t ngx_mail_smtp_rcpt(ngx_mail_session_t *s, ngx_connection_t *c); | |
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28 |
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29 static ngx_int_t ngx_mail_smtp_discard_command(ngx_mail_session_t *s, |
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30 ngx_connection_t *c, char *err); |
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31 static void ngx_mail_smtp_log_rejected_command(ngx_mail_session_t *s, |
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32 ngx_connection_t *c, char *err); |
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33 |
527 | 34 |
1136 | 35 static u_char smtp_ok[] = "250 2.0.0 OK" CRLF; |
36 static u_char smtp_bye[] = "221 2.0.0 Bye" CRLF; | |
1762 | 37 static u_char smtp_starttls[] = "220 2.0.0 Start TLS" CRLF; |
1136 | 38 static u_char smtp_next[] = "334 " CRLF; |
39 static u_char smtp_username[] = "334 VXNlcm5hbWU6" CRLF; | |
40 static u_char smtp_password[] = "334 UGFzc3dvcmQ6" CRLF; | |
41 static u_char smtp_invalid_command[] = "500 5.5.1 Invalid command" CRLF; | |
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42 static u_char smtp_invalid_pipelining[] = |
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43 "503 5.5.0 Improper use of SMTP command pipelining" CRLF; |
1136 | 44 static u_char smtp_invalid_argument[] = "501 5.5.4 Invalid argument" CRLF; |
45 static u_char smtp_auth_required[] = "530 5.7.1 Authentication required" CRLF; | |
2309 | 46 static u_char smtp_bad_sequence[] = "503 5.5.1 Bad sequence of commands" CRLF; |
1136 | 47 |
521 | 48 |
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49 static ngx_str_t smtp_unavailable = ngx_string("[UNAVAILABLE]"); |
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50 static ngx_str_t smtp_tempunavail = ngx_string("[TEMPUNAVAIL]"); |
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51 |
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52 |
521 | 53 void |
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54 ngx_mail_smtp_init_session(ngx_mail_session_t *s, ngx_connection_t *c) |
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55 { |
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56 struct sockaddr_in *sin; |
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57 ngx_resolver_ctx_t *ctx; |
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58 ngx_mail_core_srv_conf_t *cscf; |
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59 |
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60 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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61 |
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62 if (cscf->resolver == NULL) { |
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63 s->host = smtp_unavailable; |
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64 ngx_mail_smtp_greeting(s, c); |
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65 return; |
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66 } |
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67 |
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68 c->log->action = "in resolving client address"; |
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69 |
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70 ctx = ngx_resolve_start(cscf->resolver, NULL); |
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71 if (ctx == NULL) { |
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72 ngx_mail_close_connection(c); |
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73 return; |
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74 } |
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75 |
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76 /* AF_INET only */ |
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77 |
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78 sin = (struct sockaddr_in *) c->sockaddr; |
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79 |
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80 ctx->addr = sin->sin_addr.s_addr; |
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81 ctx->handler = ngx_mail_smtp_resolve_addr_handler; |
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82 ctx->data = s; |
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83 ctx->timeout = cscf->resolver_timeout; |
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84 |
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85 if (ngx_resolve_addr(ctx) != NGX_OK) { |
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86 ngx_mail_close_connection(c); |
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87 } |
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88 } |
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89 |
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90 |
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91 static void |
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92 ngx_mail_smtp_resolve_addr_handler(ngx_resolver_ctx_t *ctx) |
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93 { |
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94 ngx_connection_t *c; |
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95 ngx_mail_session_t *s; |
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96 ngx_mail_core_srv_conf_t *cscf; |
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97 |
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98 s = ctx->data; |
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99 c = s->connection; |
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100 |
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101 if (ctx->state) { |
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102 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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103 "%V could not be resolved (%i: %s)", |
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104 &c->addr_text, ctx->state, |
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105 ngx_resolver_strerror(ctx->state)); |
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106 |
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107 if (ctx->state == NGX_RESOLVE_NXDOMAIN) { |
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108 s->host = smtp_unavailable; |
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109 |
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110 } else { |
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111 s->host = smtp_tempunavail; |
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112 } |
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113 |
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114 ngx_resolve_addr_done(ctx); |
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115 |
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116 ngx_mail_smtp_greeting(s, s->connection); |
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117 |
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118 return; |
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119 } |
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120 |
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121 c->log->action = "in resolving client hostname"; |
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122 |
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123 s->host.data = ngx_pstrdup(c->pool, &ctx->name); |
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124 if (s->host.data == NULL) { |
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125 ngx_resolve_addr_done(ctx); |
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126 ngx_mail_close_connection(c); |
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127 return; |
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128 } |
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129 |
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130 s->host.len = ctx->name.len; |
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131 |
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132 ngx_resolve_addr_done(ctx); |
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133 |
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134 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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135 "address resolved: %V", &s->host); |
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136 |
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137 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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138 |
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139 ctx = ngx_resolve_start(cscf->resolver, NULL); |
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140 if (ctx == NULL) { |
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141 ngx_mail_close_connection(c); |
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142 return; |
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143 } |
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144 |
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145 ctx->name = s->host; |
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146 ctx->type = NGX_RESOLVE_A; |
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147 ctx->handler = ngx_mail_smtp_resolve_name_handler; |
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148 ctx->data = s; |
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149 ctx->timeout = cscf->resolver_timeout; |
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150 |
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151 if (ngx_resolve_name(ctx) != NGX_OK) { |
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152 ngx_mail_close_connection(c); |
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153 } |
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154 } |
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155 |
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156 |
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157 static void |
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158 ngx_mail_smtp_resolve_name_handler(ngx_resolver_ctx_t *ctx) |
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159 { |
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160 in_addr_t addr; |
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161 ngx_uint_t i; |
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162 ngx_connection_t *c; |
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163 struct sockaddr_in *sin; |
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164 ngx_mail_session_t *s; |
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165 |
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166 s = ctx->data; |
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167 c = s->connection; |
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168 |
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169 if (ctx->state) { |
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170 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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171 "%V could not be resolved (%i: %s)", |
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172 &ctx->name, ctx->state, |
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173 ngx_resolver_strerror(ctx->state)); |
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174 |
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175 if (ctx->state == NGX_RESOLVE_NXDOMAIN) { |
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176 s->host = smtp_unavailable; |
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177 |
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178 } else { |
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179 s->host = smtp_tempunavail; |
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180 } |
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181 |
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182 } else { |
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183 |
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184 /* AF_INET only */ |
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185 |
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186 sin = (struct sockaddr_in *) c->sockaddr; |
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187 |
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188 for (i = 0; i < ctx->naddrs; i++) { |
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189 |
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190 addr = ctx->addrs[i]; |
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191 |
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192 ngx_log_debug4(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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193 "name was resolved to %ud.%ud.%ud.%ud", |
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194 (ntohl(addr) >> 24) & 0xff, |
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195 (ntohl(addr) >> 16) & 0xff, |
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196 (ntohl(addr) >> 8) & 0xff, |
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197 ntohl(addr) & 0xff); |
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198 |
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199 if (addr == sin->sin_addr.s_addr) { |
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200 goto found; |
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201 } |
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202 } |
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203 |
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204 s->host = smtp_unavailable; |
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205 } |
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206 |
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207 found: |
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208 |
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209 ngx_resolve_name_done(ctx); |
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210 |
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211 ngx_mail_smtp_greeting(s, c); |
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212 } |
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213 |
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214 |
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215 static void |
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216 ngx_mail_smtp_greeting(ngx_mail_session_t *s, ngx_connection_t *c) |
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217 { |
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218 ngx_msec_t timeout; |
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219 ngx_mail_core_srv_conf_t *cscf; |
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220 ngx_mail_smtp_srv_conf_t *sscf; |
641 | 221 |
1892
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222 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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223 "smtp greeting for \"%V\"", &s->host); |
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224 |
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225 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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226 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
541 | 227 |
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228 timeout = sscf->greeting_delay ? sscf->greeting_delay : cscf->timeout; |
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229 ngx_add_timer(c->read, timeout); |
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230 |
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231 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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232 ngx_mail_close_connection(c); |
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233 } |
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234 |
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235 if (sscf->greeting_delay) { |
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236 c->read->handler = ngx_mail_smtp_invalid_pipelining; |
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237 return; |
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238 } |
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239 |
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240 c->read->handler = ngx_mail_smtp_init_protocol; |
583 | 241 |
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242 s->out = sscf->greeting; |
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243 |
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244 ngx_mail_send(c->write); |
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245 } |
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246 |
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247 |
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248 static void |
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249 ngx_mail_smtp_invalid_pipelining(ngx_event_t *rev) |
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250 { |
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251 ngx_connection_t *c; |
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252 ngx_mail_session_t *s; |
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253 ngx_mail_core_srv_conf_t *cscf; |
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254 ngx_mail_smtp_srv_conf_t *sscf; |
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255 |
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256 c = rev->data; |
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257 s = c->data; |
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258 |
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259 c->log->action = "in delay pipelining state"; |
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260 |
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261 if (rev->timedout) { |
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262 |
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263 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "delay greeting"); |
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264 |
1484 | 265 rev->timedout = 0; |
266 | |
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267 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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268 |
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269 c->read->handler = ngx_mail_smtp_init_protocol; |
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270 |
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271 ngx_add_timer(c->read, cscf->timeout); |
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272 |
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273 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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274 ngx_mail_close_connection(c); |
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275 return; |
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276 } |
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277 |
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278 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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279 |
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280 s->out = sscf->greeting; |
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281 |
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282 } else { |
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283 |
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284 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "invalid pipelining"); |
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285 |
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286 if (s->buffer == NULL) { |
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287 if (ngx_mail_smtp_create_buffer(s, c) != NGX_OK) { |
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288 return; |
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289 } |
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290 } |
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291 |
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292 if (ngx_mail_smtp_discard_command(s, c, |
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293 "client was rejected before greeting: \"%V\"") |
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294 != NGX_OK) |
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295 { |
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296 return; |
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297 } |
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298 |
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299 s->out.len = sizeof(smtp_invalid_pipelining) - 1; |
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300 s->out.data = smtp_invalid_pipelining; |
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301 } |
539 | 302 |
1136 | 303 ngx_mail_send(c->write); |
539 | 304 } |
305 | |
306 | |
307 void | |
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308 ngx_mail_smtp_init_protocol(ngx_event_t *rev) |
539 | 309 { |
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310 ngx_connection_t *c; |
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311 ngx_mail_session_t *s; |
417
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312 |
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313 c = rev->data; |
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314 |
541 | 315 c->log->action = "in auth state"; |
316 | |
423
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317 if (rev->timedout) { |
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318 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 319 c->timedout = 1; |
1136 | 320 ngx_mail_close_connection(c); |
423
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321 return; |
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322 } |
420
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323 |
539 | 324 s = c->data; |
521 | 325 |
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326 if (s->buffer == NULL) { |
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327 if (ngx_mail_smtp_create_buffer(s, c) != NGX_OK) { |
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328 return; |
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329 } |
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330 } |
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331 |
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332 s->mail_state = ngx_smtp_start; |
1477 | 333 c->read->handler = ngx_mail_smtp_auth_state; |
1136 | 334 |
1477 | 335 ngx_mail_smtp_auth_state(rev); |
521 | 336 } |
337 | |
338 | |
1483
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339 static ngx_int_t |
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340 ngx_mail_smtp_create_buffer(ngx_mail_session_t *s, ngx_connection_t *c) |
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341 { |
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342 ngx_mail_smtp_srv_conf_t *sscf; |
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343 |
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344 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) == NGX_ERROR) { |
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345 ngx_mail_session_internal_server_error(s); |
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346 return NGX_ERROR; |
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347 } |
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348 |
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349 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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350 |
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351 s->buffer = ngx_create_temp_buf(c->pool, sscf->client_buffer_size); |
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352 if (s->buffer == NULL) { |
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353 ngx_mail_session_internal_server_error(s); |
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354 return NGX_ERROR; |
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355 } |
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356 |
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357 return NGX_OK; |
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358 } |
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359 |
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360 |
527 | 361 void |
1477 | 362 ngx_mail_smtp_auth_state(ngx_event_t *rev) |
420
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363 { |
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364 ngx_int_t rc; |
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365 ngx_connection_t *c; |
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366 ngx_mail_session_t *s; |
420
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367 |
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368 c = rev->data; |
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369 s = c->data; |
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370 |
1136 | 371 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp auth state"); |
421
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420
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372 |
423
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373 if (rev->timedout) { |
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374 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 375 c->timedout = 1; |
1136 | 376 ngx_mail_close_connection(c); |
423
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377 return; |
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378 } |
420
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379 |
539 | 380 if (s->out.len) { |
1136 | 381 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp send handler busy"); |
539 | 382 s->blocked = 1; |
383 return; | |
384 } | |
385 | |
386 s->blocked = 0; | |
387 | |
1482 | 388 rc = ngx_mail_read_command(s, c); |
420
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diff
changeset
|
389 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
390 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
|
391 return; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
392 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
393 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
394 s->out.len = sizeof(smtp_ok) - 1; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
395 s->out.data = smtp_ok; |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
396 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
397 if (rc == NGX_OK) { |
1136 | 398 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
|
399 |
1136 | 400 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
|
401 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
402 switch (s->command) { |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
403 |
1136 | 404 case NGX_SMTP_HELO: |
405 case NGX_SMTP_EHLO: | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
406 rc = ngx_mail_smtp_helo(s, c); |
809 | 407 break; |
408 | |
1136 | 409 case NGX_SMTP_AUTH: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
410 rc = ngx_mail_smtp_auth(s, c); |
800 | 411 break; |
412 | |
1136 | 413 case NGX_SMTP_QUIT: |
539 | 414 s->quit = 1; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
415 s->out.len = sizeof(smtp_bye) - 1; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
416 s->out.data = smtp_bye; |
527 | 417 break; |
418 | |
1136 | 419 case NGX_SMTP_MAIL: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
420 rc = ngx_mail_smtp_mail(s, c); |
583 | 421 break; |
422 | |
2309 | 423 case NGX_SMTP_RCPT: |
424 rc = ngx_mail_smtp_rcpt(s, c); | |
425 break; | |
426 | |
427 case NGX_SMTP_RSET: | |
428 rc = ngx_mail_smtp_rset(s, c); | |
429 break; | |
430 | |
1136 | 431 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
|
432 break; |
1322 | 433 |
434 case NGX_SMTP_STARTTLS: | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
435 rc = ngx_mail_smtp_starttls(s, c); |
1762 | 436 s->out.len = sizeof(smtp_starttls) - 1; |
437 s->out.data = smtp_starttls; | |
1322 | 438 break; |
439 | |
440 default: | |
441 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
442 break; | |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
443 } |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
444 |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
445 break; |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
446 |
1136 | 447 case ngx_smtp_auth_login_username: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
448 rc = ngx_mail_auth_login_username(s, c); |
809 | 449 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
450 s->out.len = sizeof(smtp_password) - 1; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
451 s->out.data = smtp_password; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
452 s->mail_state = ngx_smtp_auth_login_password; |
809 | 453 break; |
454 | |
1136 | 455 case ngx_smtp_auth_login_password: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
456 rc = ngx_mail_auth_login_password(s, c); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
457 break; |
809 | 458 |
1136 | 459 case ngx_smtp_auth_plain: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
460 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
|
461 break; |
809 | 462 |
1136 | 463 case ngx_smtp_auth_cram_md5: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
464 rc = ngx_mail_auth_cram_md5(s, c); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
465 break; |
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
466 } |
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
467 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
468 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
469 switch (rc) { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
470 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
471 case NGX_DONE: |
1482 | 472 ngx_mail_auth(s, c); |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
473 return; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
474 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
475 case NGX_ERROR: |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
476 ngx_mail_session_internal_server_error(s); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
477 return; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
478 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
479 case NGX_MAIL_PARSE_INVALID_COMMAND: |
1136 | 480 s->mail_state = ngx_smtp_start; |
1486
0e7074ef7303
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1485
diff
changeset
|
481 s->state = 0; |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
482 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
483 s->out.len = sizeof(smtp_invalid_command) - 1; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
484 s->out.data = smtp_invalid_command; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
485 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
486 /* fall through */ |
539 | 487 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
488 case NGX_OK: |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
489 s->args.nelts = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
490 s->buffer->pos = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
491 s->buffer->last = s->buffer->start; |
810 | 492 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
493 if (s->state) { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
494 s->arg_start = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
495 } |
539 | 496 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
497 ngx_mail_send(c->write); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
498 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
499 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
500 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
501 |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
502 static ngx_int_t |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
503 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
|
504 { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
505 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
|
506 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
|
507 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
508 if (s->args.nelts != 1) { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
509 s->out.len = sizeof(smtp_invalid_argument) - 1; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
510 s->out.data = smtp_invalid_argument; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
511 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
512 return NGX_OK; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
513 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
514 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
515 arg = s->args.elts; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
516 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
517 s->smtp_helo.len = arg[0].len; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
518 |
2049 | 519 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
|
520 if (s->smtp_helo.data == NULL) { |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
521 return NGX_ERROR; |
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
522 } |
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
523 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
524 ngx_memcpy(s->smtp_helo.data, arg[0].data, arg[0].len); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
525 |
2309 | 526 s->smtp_from.len = 0; |
527 s->smtp_from.data = NULL; | |
528 s->smtp_to.len = 0; | |
529 s->smtp_to.data = NULL; | |
530 | |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
531 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
532 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
533 if (s->command == NGX_SMTP_HELO) { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1486
diff
changeset
|
534 s->out = sscf->server_name; |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
535 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
536 } else { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
537 s->esmtp = 1; |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
538 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
539 #if (NGX_MAIL_SSL) |
894
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>
parents:
1472
diff
changeset
|
541 if (c->ssl == NULL) { |
1704
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1493
diff
changeset
|
542 ngx_mail_ssl_conf_t *sslcf; |
e584e946e198
move condition declarations inside blocks where they are used
Igor Sysoev <igor@sysoev.ru>
parents:
1493
diff
changeset
|
543 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
544 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
545 |
1476
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546 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { |
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547 s->out = sscf->starttls_capability; |
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548 return NGX_OK; |
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549 } |
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550 |
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551 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { |
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552 s->out = sscf->starttls_only_capability; |
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553 return NGX_OK; |
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554 } |
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555 } |
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556 #endif |
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557 |
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558 s->out = sscf->capability; |
420
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559 } |
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560 |
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561 return NGX_OK; |
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562 } |
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563 |
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564 |
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565 static ngx_int_t |
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566 ngx_mail_smtp_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
525 | 567 { |
1479 | 568 ngx_int_t rc; |
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569 ngx_mail_core_srv_conf_t *cscf; |
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570 ngx_mail_smtp_srv_conf_t *sscf; |
525 | 571 |
1479 | 572 #if (NGX_MAIL_SSL) |
573 if (ngx_mail_starttls_only(s, c)) { | |
574 return NGX_MAIL_PARSE_INVALID_COMMAND; | |
539 | 575 } |
576 #endif | |
577 | |
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578 if (s->args.nelts == 0) { |
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579 s->out.len = sizeof(smtp_invalid_argument) - 1; |
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580 s->out.data = smtp_invalid_argument; |
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581 s->state = 0; |
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582 return NGX_OK; |
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583 } |
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584 |
1479 | 585 rc = ngx_mail_auth_parse(s, c); |
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586 |
1479 | 587 switch (rc) { |
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588 |
1479 | 589 case NGX_MAIL_AUTH_LOGIN: |
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590 |
1479 | 591 s->out.len = sizeof(smtp_username) - 1; |
592 s->out.data = smtp_username; | |
593 s->mail_state = ngx_smtp_auth_login_username; | |
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594 |
1479 | 595 return NGX_OK; |
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596 |
1479 | 597 case NGX_MAIL_AUTH_PLAIN: |
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598 |
1479 | 599 s->out.len = sizeof(smtp_next) - 1; |
600 s->out.data = smtp_next; | |
601 s->mail_state = ngx_smtp_auth_plain; | |
543 | 602 |
1479 | 603 return NGX_OK; |
604 | |
605 case NGX_MAIL_AUTH_CRAM_MD5: | |
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606 |
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607 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); |
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608 |
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609 if (!(sscf->auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED)) { |
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610 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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611 } |
479 | 612 |
1485
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613 if (s->salt.data == NULL) { |
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614 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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615 |
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616 if (ngx_mail_salt(s, c, cscf) != NGX_OK) { |
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617 return NGX_ERROR; |
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618 } |
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619 } |
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620 |
1479 | 621 if (ngx_mail_auth_cram_md5_salt(s, c, "334 ", 4) == NGX_OK) { |
622 s->mail_state = ngx_smtp_auth_cram_md5; | |
623 return NGX_OK; | |
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624 } |
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625 |
1479 | 626 return NGX_ERROR; |
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627 } |
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628 |
1479 | 629 return rc; |
417
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630 } |
539 | 631 |
632 | |
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633 static ngx_int_t |
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634 ngx_mail_smtp_mail(ngx_mail_session_t *s, ngx_connection_t *c) |
541 | 635 { |
2309 | 636 u_char ch; |
637 ngx_str_t l; | |
638 ngx_uint_t i; | |
639 ngx_mail_smtp_srv_conf_t *sscf; | |
640 | |
641 sscf = ngx_mail_get_module_srv_conf(s, ngx_mail_smtp_module); | |
642 | |
643 if (!(sscf->auth_methods & NGX_MAIL_AUTH_NONE_ENABLED)) { | |
644 ngx_mail_smtp_log_rejected_command(s, c, "client was rejected: \"%V\""); | |
645 | |
646 s->out.len = sizeof(smtp_auth_required) - 1; | |
647 s->out.data = smtp_auth_required; | |
648 | |
649 return NGX_OK; | |
650 } | |
651 | |
652 /* auth none */ | |
653 | |
654 if (s->smtp_from.len) { | |
655 s->out.len = sizeof(smtp_bad_sequence) - 1; | |
656 s->out.data = smtp_bad_sequence; | |
657 return NGX_OK; | |
658 } | |
659 | |
660 l.len = s->buffer->last - s->buffer->start; | |
661 l.data = s->buffer->start; | |
662 | |
663 for (i = 0; i < l.len; i++) { | |
664 ch = l.data[i]; | |
665 | |
666 if (ch != CR && ch != LF) { | |
667 continue; | |
668 } | |
669 | |
670 l.data[i] = ' '; | |
671 } | |
672 | |
673 while (i) { | |
674 if (l.data[i - 1] != ' ') { | |
675 break; | |
676 } | |
677 | |
678 i--; | |
679 } | |
680 | |
681 l.len = i; | |
682 | |
683 s->smtp_from.len = l.len; | |
684 | |
685 s->smtp_from.data = ngx_pnalloc(c->pool, l.len); | |
686 if (s->smtp_from.data == NULL) { | |
687 return NGX_ERROR; | |
688 } | |
689 | |
690 ngx_memcpy(s->smtp_from.data, l.data, l.len); | |
691 | |
692 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
693 "smtp mail from:\"%V\"", &s->smtp_from); | |
694 | |
695 s->out.len = sizeof(smtp_ok) - 1; | |
696 s->out.data = smtp_ok; | |
697 | |
698 return NGX_OK; | |
699 } | |
577 | 700 |
2309 | 701 |
702 static ngx_int_t | |
703 ngx_mail_smtp_rcpt(ngx_mail_session_t *s, ngx_connection_t *c) | |
704 { | |
705 u_char ch; | |
706 ngx_str_t l; | |
707 ngx_uint_t i; | |
708 | |
709 if (s->smtp_from.len == 0) { | |
710 s->out.len = sizeof(smtp_bad_sequence) - 1; | |
711 s->out.data = smtp_bad_sequence; | |
712 return NGX_OK; | |
713 } | |
714 | |
715 l.len = s->buffer->last - s->buffer->start; | |
716 l.data = s->buffer->start; | |
717 | |
718 for (i = 0; i < l.len; i++) { | |
719 ch = l.data[i]; | |
720 | |
721 if (ch != CR && ch != LF) { | |
722 continue; | |
723 } | |
724 | |
725 l.data[i] = ' '; | |
726 } | |
727 | |
728 while (i) { | |
729 if (l.data[i - 1] != ' ') { | |
730 break; | |
731 } | |
732 | |
733 i--; | |
734 } | |
735 | |
736 l.len = i; | |
737 | |
738 s->smtp_to.len = l.len; | |
739 | |
740 s->smtp_to.data = ngx_pnalloc(c->pool, l.len); | |
741 if (s->smtp_to.data == NULL) { | |
742 return NGX_ERROR; | |
743 } | |
744 | |
745 ngx_memcpy(s->smtp_to.data, l.data, l.len); | |
746 | |
747 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
748 "smtp rcpt to:\"%V\"", &s->smtp_to); | |
749 | |
750 s->auth_method = NGX_MAIL_AUTH_NONE; | |
751 | |
752 return NGX_DONE; | |
753 } | |
754 | |
755 | |
756 static ngx_int_t | |
757 ngx_mail_smtp_rset(ngx_mail_session_t *s, ngx_connection_t *c) | |
758 { | |
759 s->smtp_from.len = 0; | |
760 s->smtp_from.data = NULL; | |
761 s->smtp_to.len = 0; | |
762 s->smtp_to.data = NULL; | |
763 | |
764 s->out.len = sizeof(smtp_ok) - 1; | |
765 s->out.data = smtp_ok; | |
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766 |
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767 return NGX_OK; |
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768 } |
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769 |
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770 |
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771 static ngx_int_t |
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772 ngx_mail_smtp_starttls(ngx_mail_session_t *s, ngx_connection_t *c) |
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773 { |
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774 #if (NGX_MAIL_SSL) |
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775 ngx_mail_ssl_conf_t *sslcf; |
541 | 776 |
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777 if (c->ssl == NULL) { |
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778 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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779 if (sslcf->starttls) { |
541 | 780 |
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781 /* |
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782 * RFC3207 requires us to discard any knowledge |
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783 * obtained from client before STARTTLS. |
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784 */ |
541 | 785 |
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786 s->smtp_helo.len = 0; |
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787 s->smtp_helo.data = NULL; |
2309 | 788 s->smtp_from.len = 0; |
789 s->smtp_from.data = NULL; | |
790 s->smtp_to.len = 0; | |
791 s->smtp_to.data = NULL; | |
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792 |
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793 c->read->handler = ngx_mail_starttls_handler; |
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794 return NGX_OK; |
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795 } |
541 | 796 } |
797 | |
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798 #endif |
541 | 799 |
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1472
diff
changeset
|
800 return NGX_MAIL_PARSE_INVALID_COMMAND; |
541 | 801 } |
1481
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
802 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
803 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
804 static ngx_int_t |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
805 ngx_mail_smtp_discard_command(ngx_mail_session_t *s, ngx_connection_t *c, |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
806 char *err) |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
807 { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
808 ssize_t n; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
809 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
810 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
811 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
812 if (n == NGX_ERROR || n == 0) { |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
813 ngx_mail_close_connection(c); |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
814 return NGX_ERROR; |
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smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
815 } |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
816 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
817 if (n > 0) { |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
818 s->buffer->last += n; |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
819 } |
1486
0e7074ef7303
style fix: remove trailing spaces
Igor Sysoev <igor@sysoev.ru>
parents:
1485
diff
changeset
|
820 |
1481
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
821 if (n == NGX_AGAIN) { |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2309
diff
changeset
|
822 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
1481
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
823 ngx_mail_session_internal_server_error(s); |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
824 return NGX_ERROR; |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
825 } |
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smtp_client_buffer and smtp_greeting_delay
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parents:
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diff
changeset
|
826 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
827 return NGX_AGAIN; |
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smtp_client_buffer and smtp_greeting_delay
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parents:
1480
diff
changeset
|
828 } |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
829 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
830 ngx_mail_smtp_log_rejected_command(s, c, err); |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
831 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
832 s->buffer->pos = s->buffer->start; |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
833 s->buffer->last = s->buffer->start; |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
834 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
835 return NGX_OK; |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
836 } |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
837 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
838 |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
839 static void |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
840 ngx_mail_smtp_log_rejected_command(ngx_mail_session_t *s, ngx_connection_t *c, |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
841 char *err) |
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smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
842 { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
843 u_char ch; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
844 ngx_str_t cmd; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
845 ngx_uint_t i; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
846 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
847 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
|
848 return; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
849 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
850 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
851 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
|
852 cmd.data = s->buffer->start; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
853 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
854 for (i = 0; i < cmd.len; i++) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
855 ch = cmd.data[i]; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
856 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
857 if (ch != CR && ch != LF) { |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
858 continue; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
859 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
860 |
1493
3c4111e07b58
use "_" instead of " " as new line substitute, do not delete trailing new line
Igor Sysoev <igor@sysoev.ru>
parents:
1487
diff
changeset
|
861 cmd.data[i] = '_'; |
1481
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
862 } |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
863 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
864 cmd.len = i; |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
865 |
b58ce1cf66da
smtp_client_buffer and smtp_greeting_delay
Igor Sysoev <igor@sysoev.ru>
parents:
1480
diff
changeset
|
866 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
|
867 } |