Mercurial > hg > nginx
annotate src/mail/ngx_mail_pop3_handler.c @ 9287:32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
As originally implemented in 6774:bcb107bb89cd, it wasn't possible to
disable the EXTERNAL authentication method: it was always accepted
(but not advertised unless enabled). It is, however, believed that
it is better to reject attempts to use the disabled method, hence in
6869:b2915d99ee8d an attempt was made to address this. This attempt
was insufficient though: it was still possible to use the method as long
as initial SASL response was used.
With this patch both challenge-response and initial response forms are
disabled. Additionally, initial response handling for the PLAIN
authentication is removed from ngx_mail_auth_parse(), for consistency
and to don't provoke such bugs.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 03 Jun 2024 18:03:05 +0300 |
parents | d7fd0acdea64 |
children | 4538c1ffb0f8 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
1136 | 11 #include <ngx_mail.h> |
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12 #include <ngx_mail_pop3_module.h> |
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13 |
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14 |
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15 static ngx_int_t ngx_mail_pop3_user(ngx_mail_session_t *s, ngx_connection_t *c); |
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16 static ngx_int_t ngx_mail_pop3_pass(ngx_mail_session_t *s, ngx_connection_t *c); |
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17 static ngx_int_t ngx_mail_pop3_capa(ngx_mail_session_t *s, ngx_connection_t *c, |
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18 ngx_int_t stls); |
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19 static ngx_int_t ngx_mail_pop3_stls(ngx_mail_session_t *s, ngx_connection_t *c); |
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20 static ngx_int_t ngx_mail_pop3_apop(ngx_mail_session_t *s, ngx_connection_t *c); |
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21 static ngx_int_t ngx_mail_pop3_auth(ngx_mail_session_t *s, ngx_connection_t *c); |
539 | 22 |
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23 |
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24 static u_char pop3_greeting[] = "+OK POP3 ready" CRLF; |
521 | 25 static u_char pop3_ok[] = "+OK" CRLF; |
809 | 26 static u_char pop3_next[] = "+ " CRLF; |
27 static u_char pop3_username[] = "+ VXNlcm5hbWU6" CRLF; | |
28 static u_char pop3_password[] = "+ UGFzc3dvcmQ6" CRLF; | |
521 | 29 static u_char pop3_invalid_command[] = "-ERR invalid command" CRLF; |
30 | |
31 | |
32 void | |
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33 ngx_mail_pop3_init_session(ngx_mail_session_t *s, ngx_connection_t *c) |
541 | 34 { |
800 | 35 u_char *p; |
1136 | 36 ngx_mail_core_srv_conf_t *cscf; |
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37 ngx_mail_pop3_srv_conf_t *pscf; |
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38 |
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39 pscf = ngx_mail_get_module_srv_conf(s, ngx_mail_pop3_module); |
1136 | 40 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
539 | 41 |
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42 if (pscf->auth_methods |
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43 & (NGX_MAIL_AUTH_APOP_ENABLED|NGX_MAIL_AUTH_CRAM_MD5_ENABLED)) |
800 | 44 { |
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45 if (ngx_mail_salt(s, c, cscf) != NGX_OK) { |
1136 | 46 ngx_mail_session_internal_server_error(s); |
800 | 47 return; |
48 } | |
49 | |
2049 | 50 s->out.data = ngx_pnalloc(c->pool, sizeof(pop3_greeting) + s->salt.len); |
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51 if (s->out.data == NULL) { |
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52 ngx_mail_session_internal_server_error(s); |
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53 return; |
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54 } |
800 | 55 |
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56 p = ngx_cpymem(s->out.data, pop3_greeting, sizeof(pop3_greeting) - 3); |
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57 *p++ = ' '; |
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58 p = ngx_cpymem(p, s->salt.data, s->salt.len); |
800 | 59 |
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60 s->out.len = p - s->out.data; |
800 | 61 |
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62 } else { |
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63 ngx_str_set(&s->out, pop3_greeting); |
800 | 64 } |
65 | |
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66 c->read->handler = ngx_mail_pop3_init_protocol; |
539 | 67 |
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68 ngx_add_timer(c->read, cscf->timeout); |
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69 |
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70 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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71 ngx_mail_close_connection(c); |
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72 } |
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73 |
1136 | 74 ngx_mail_send(c->write); |
539 | 75 } |
76 | |
77 | |
78 void | |
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79 ngx_mail_pop3_init_protocol(ngx_event_t *rev) |
539 | 80 { |
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81 ngx_connection_t *c; |
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82 ngx_mail_session_t *s; |
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83 |
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84 c = rev->data; |
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85 |
541 | 86 c->log->action = "in auth state"; |
87 | |
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88 if (rev->timedout) { |
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89 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
577 | 90 c->timedout = 1; |
1136 | 91 ngx_mail_close_connection(c); |
423
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92 return; |
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93 } |
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94 |
539 | 95 s = c->data; |
521 | 96 |
419
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97 if (s->buffer == NULL) { |
583 | 98 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) |
99 == NGX_ERROR) | |
100 { | |
1136 | 101 ngx_mail_session_internal_server_error(s); |
583 | 102 return; |
103 } | |
104 | |
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105 s->buffer = ngx_create_temp_buf(c->pool, 128); |
583 | 106 if (s->buffer == NULL) { |
1136 | 107 ngx_mail_session_internal_server_error(s); |
583 | 108 return; |
109 } | |
419
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110 } |
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111 |
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112 s->mail_state = ngx_pop3_start; |
1477 | 113 c->read->handler = ngx_mail_pop3_auth_state; |
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114 |
1477 | 115 ngx_mail_pop3_auth_state(rev); |
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116 } |
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117 |
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118 |
527 | 119 void |
1477 | 120 ngx_mail_pop3_auth_state(ngx_event_t *rev) |
521 | 121 { |
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122 size_t n; |
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123 ngx_int_t rc; |
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124 ngx_connection_t *c; |
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125 ngx_mail_session_t *s; |
521 | 126 |
127 c = rev->data; | |
527 | 128 s = c->data; |
521 | 129 |
1136 | 130 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "pop3 auth state"); |
527 | 131 |
132 if (rev->timedout) { | |
133 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 134 c->timedout = 1; |
1136 | 135 ngx_mail_close_connection(c); |
527 | 136 return; |
137 } | |
138 | |
539 | 139 if (s->out.len) { |
1136 | 140 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "pop3 send handler busy"); |
539 | 141 s->blocked = 1; |
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142 |
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143 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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144 ngx_mail_close_connection(c); |
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145 return; |
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146 } |
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147 |
539 | 148 return; |
149 } | |
150 | |
151 s->blocked = 0; | |
152 | |
1482 | 153 rc = ngx_mail_read_command(s, c); |
1136 | 154 |
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155 if (rc == NGX_AGAIN) { |
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156 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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157 ngx_mail_session_internal_server_error(s); |
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158 return; |
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159 } |
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160 |
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161 return; |
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162 } |
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163 |
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164 if (rc == NGX_ERROR) { |
1136 | 165 return; |
166 } | |
167 | |
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168 ngx_str_set(&s->out, pop3_ok); |
1136 | 169 |
170 if (rc == NGX_OK) { | |
171 switch (s->mail_state) { | |
172 | |
173 case ngx_pop3_start: | |
174 | |
175 switch (s->command) { | |
176 | |
177 case NGX_POP3_USER: | |
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178 rc = ngx_mail_pop3_user(s, c); |
1136 | 179 break; |
180 | |
181 case NGX_POP3_CAPA: | |
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182 rc = ngx_mail_pop3_capa(s, c, 1); |
1136 | 183 break; |
184 | |
185 case NGX_POP3_APOP: | |
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186 rc = ngx_mail_pop3_apop(s, c); |
1136 | 187 break; |
188 | |
189 case NGX_POP3_AUTH: | |
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190 rc = ngx_mail_pop3_auth(s, c); |
1136 | 191 break; |
192 | |
193 case NGX_POP3_QUIT: | |
194 s->quit = 1; | |
195 break; | |
196 | |
197 case NGX_POP3_NOOP: | |
198 break; | |
199 | |
200 case NGX_POP3_STLS: | |
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201 rc = ngx_mail_pop3_stls(s, c); |
1136 | 202 break; |
203 | |
204 default: | |
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205 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
1136 | 206 break; |
207 } | |
208 | |
209 break; | |
210 | |
211 case ngx_pop3_user: | |
212 | |
213 switch (s->command) { | |
214 | |
215 case NGX_POP3_PASS: | |
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216 rc = ngx_mail_pop3_pass(s, c); |
1136 | 217 break; |
218 | |
219 case NGX_POP3_CAPA: | |
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220 rc = ngx_mail_pop3_capa(s, c, 0); |
1136 | 221 break; |
222 | |
223 case NGX_POP3_QUIT: | |
224 s->quit = 1; | |
225 break; | |
226 | |
227 case NGX_POP3_NOOP: | |
228 break; | |
229 | |
230 default: | |
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231 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
1136 | 232 break; |
233 } | |
234 | |
235 break; | |
236 | |
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237 /* suppress warnings */ |
1136 | 238 case ngx_pop3_passwd: |
239 break; | |
240 | |
241 case ngx_pop3_auth_login_username: | |
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242 rc = ngx_mail_auth_login_username(s, c, 0); |
1136 | 243 |
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244 ngx_str_set(&s->out, pop3_password); |
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245 s->mail_state = ngx_pop3_auth_login_password; |
1136 | 246 break; |
247 | |
248 case ngx_pop3_auth_login_password: | |
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249 rc = ngx_mail_auth_login_password(s, c); |
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250 break; |
1136 | 251 |
252 case ngx_pop3_auth_plain: | |
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253 rc = ngx_mail_auth_plain(s, c, 0); |
1136 | 254 break; |
255 | |
256 case ngx_pop3_auth_cram_md5: | |
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257 rc = ngx_mail_auth_cram_md5(s, c); |
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258 break; |
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259 |
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260 case ngx_pop3_auth_external: |
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261 rc = ngx_mail_auth_external(s, c, 0); |
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262 break; |
1136 | 263 } |
264 } | |
265 | |
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266 if (s->buffer->pos < s->buffer->last || c->read->ready) { |
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267 s->blocked = 1; |
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268 } |
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269 |
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270 switch (rc) { |
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271 |
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272 case NGX_DONE: |
1482 | 273 ngx_mail_auth(s, c); |
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274 return; |
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275 |
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276 case NGX_ERROR: |
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277 ngx_mail_session_internal_server_error(s); |
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278 return; |
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279 |
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280 case NGX_MAIL_PARSE_INVALID_COMMAND: |
1136 | 281 s->mail_state = ngx_pop3_start; |
282 s->state = 0; | |
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283 |
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284 ngx_str_set(&s->out, pop3_invalid_command); |
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285 |
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286 /* fall through */ |
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287 |
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288 case NGX_OK: |
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289 |
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290 s->args.nelts = 0; |
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291 |
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292 if (s->buffer->pos == s->buffer->last) { |
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293 s->buffer->pos = s->buffer->start; |
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294 s->buffer->last = s->buffer->start; |
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295 |
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296 } else { |
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297 n = s->buffer->last - s->buffer->pos; |
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298 ngx_memmove(s->buffer->start, s->buffer->pos, n); |
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299 s->buffer->pos = s->buffer->start; |
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300 s->buffer->last = s->buffer->start + n; |
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301 } |
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302 |
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303 if (s->state) { |
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304 s->arg_start = s->buffer->pos; |
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305 } |
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306 |
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307 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
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308 ngx_mail_session_internal_server_error(s); |
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309 return; |
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310 } |
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311 |
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312 ngx_mail_send(c->write); |
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313 } |
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314 } |
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315 |
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316 static ngx_int_t |
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317 ngx_mail_pop3_user(ngx_mail_session_t *s, ngx_connection_t *c) |
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318 { |
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319 ngx_str_t *arg; |
1479 | 320 |
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321 #if (NGX_MAIL_SSL) |
1479 | 322 if (ngx_mail_starttls_only(s, c)) { |
323 return NGX_MAIL_PARSE_INVALID_COMMAND; | |
1136 | 324 } |
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325 #endif |
1136 | 326 |
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327 if (s->args.nelts != 1) { |
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328 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1136 | 329 } |
330 | |
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331 arg = s->args.elts; |
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332 s->login.len = arg[0].len; |
2049 | 333 s->login.data = ngx_pnalloc(c->pool, s->login.len); |
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334 if (s->login.data == NULL) { |
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335 return NGX_ERROR; |
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336 } |
1136 | 337 |
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338 ngx_memcpy(s->login.data, arg[0].data, s->login.len); |
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339 |
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340 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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341 "pop3 login: \"%V\"", &s->login); |
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342 |
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343 s->mail_state = ngx_pop3_user; |
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344 |
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345 return NGX_OK; |
1136 | 346 } |
347 | |
348 | |
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349 static ngx_int_t |
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350 ngx_mail_pop3_pass(ngx_mail_session_t *s, ngx_connection_t *c) |
1136 | 351 { |
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352 ngx_str_t *arg; |
1136 | 353 |
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354 if (s->args.nelts != 1) { |
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355 return NGX_MAIL_PARSE_INVALID_COMMAND; |
527 | 356 } |
357 | |
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358 arg = s->args.elts; |
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359 s->passwd.len = arg[0].len; |
2049 | 360 s->passwd.data = ngx_pnalloc(c->pool, s->passwd.len); |
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361 if (s->passwd.data == NULL) { |
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362 return NGX_ERROR; |
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363 } |
1323 | 364 |
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365 ngx_memcpy(s->passwd.data, arg[0].data, s->passwd.len); |
1323 | 366 |
367 #if (NGX_DEBUG_MAIL_PASSWD) | |
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368 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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369 "pop3 passwd: \"%V\"", &s->passwd); |
1323 | 370 #endif |
371 | |
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372 return NGX_DONE; |
521 | 373 } |
374 | |
375 | |
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376 static ngx_int_t |
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377 ngx_mail_pop3_capa(ngx_mail_session_t *s, ngx_connection_t *c, ngx_int_t stls) |
420
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378 { |
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379 ngx_mail_pop3_srv_conf_t *pscf; |
420
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380 |
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381 pscf = ngx_mail_get_module_srv_conf(s, ngx_mail_pop3_module); |
809 | 382 |
1322 | 383 #if (NGX_MAIL_SSL) |
384 | |
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385 if (stls && c->ssl == NULL) { |
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386 ngx_mail_ssl_conf_t *sslcf; |
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387 |
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388 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
1322 | 389 |
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390 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { |
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391 s->out = pscf->starttls_capability; |
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392 return NGX_OK; |
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393 } |
809 | 394 |
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395 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { |
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396 s->out = pscf->starttls_only_capability; |
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397 return NGX_OK; |
421
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398 } |
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399 } |
420
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400 |
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401 #endif |
420
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402 |
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403 s->out = pscf->capability; |
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404 return NGX_OK; |
417
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405 } |
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406 |
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407 |
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408 static ngx_int_t |
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409 ngx_mail_pop3_stls(ngx_mail_session_t *s, ngx_connection_t *c) |
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410 { |
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411 #if (NGX_MAIL_SSL) |
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412 ngx_mail_ssl_conf_t *sslcf; |
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413 |
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414 if (c->ssl == NULL) { |
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415 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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416 if (sslcf->starttls) { |
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417 s->buffer->pos = s->buffer->start; |
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418 s->buffer->last = s->buffer->start; |
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419 c->read->handler = ngx_mail_starttls_handler; |
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420 return NGX_OK; |
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421 } |
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422 } |
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423 |
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424 #endif |
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425 |
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426 return NGX_MAIL_PARSE_INVALID_COMMAND; |
855
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427 } |
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428 |
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429 |
521 | 430 static ngx_int_t |
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431 ngx_mail_pop3_apop(ngx_mail_session_t *s, ngx_connection_t *c) |
420
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432 { |
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433 ngx_str_t *arg; |
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434 ngx_mail_pop3_srv_conf_t *pscf; |
1479 | 435 |
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436 #if (NGX_MAIL_SSL) |
1479 | 437 if (ngx_mail_starttls_only(s, c)) { |
438 return NGX_MAIL_PARSE_INVALID_COMMAND; | |
539 | 439 } |
440 #endif | |
441 | |
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442 if (s->args.nelts != 2) { |
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443 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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444 } |
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445 |
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446 pscf = ngx_mail_get_module_srv_conf(s, ngx_mail_pop3_module); |
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447 |
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448 if (!(pscf->auth_methods & NGX_MAIL_AUTH_APOP_ENABLED)) { |
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449 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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450 } |
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451 |
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452 arg = s->args.elts; |
543 | 453 |
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454 s->login.len = arg[0].len; |
2049 | 455 s->login.data = ngx_pnalloc(c->pool, s->login.len); |
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456 if (s->login.data == NULL) { |
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457 return NGX_ERROR; |
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458 } |
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459 |
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460 ngx_memcpy(s->login.data, arg[0].data, s->login.len); |
479 | 461 |
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462 s->passwd.len = arg[1].len; |
2049 | 463 s->passwd.data = ngx_pnalloc(c->pool, s->passwd.len); |
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464 if (s->passwd.data == NULL) { |
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465 return NGX_ERROR; |
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466 } |
479 | 467 |
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468 ngx_memcpy(s->passwd.data, arg[1].data, s->passwd.len); |
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469 |
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470 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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471 "pop3 apop: \"%V\" \"%V\"", &s->login, &s->passwd); |
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472 |
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473 s->auth_method = NGX_MAIL_AUTH_APOP; |
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474 |
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475 return NGX_DONE; |
417
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476 } |
539 | 477 |
478 | |
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479 static ngx_int_t |
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480 ngx_mail_pop3_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
541 | 481 { |
1479 | 482 ngx_int_t rc; |
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483 ngx_mail_pop3_srv_conf_t *pscf; |
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484 |
1479 | 485 #if (NGX_MAIL_SSL) |
486 if (ngx_mail_starttls_only(s, c)) { | |
487 return NGX_MAIL_PARSE_INVALID_COMMAND; | |
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488 } |
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489 #endif |
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490 |
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491 pscf = ngx_mail_get_module_srv_conf(s, ngx_mail_pop3_module); |
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492 |
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493 if (s->args.nelts == 0) { |
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494 s->out = pscf->auth_capability; |
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495 s->state = 0; |
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496 |
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497 return NGX_OK; |
541 | 498 } |
577 | 499 |
1479 | 500 rc = ngx_mail_auth_parse(s, c); |
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501 |
1479 | 502 switch (rc) { |
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|
503 |
1479 | 504 case NGX_MAIL_AUTH_LOGIN: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
505 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3450
diff
changeset
|
506 ngx_str_set(&s->out, pop3_username); |
1479 | 507 s->mail_state = ngx_pop3_auth_login_username; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
508 |
1479 | 509 return NGX_OK; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
510 |
2495
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
511 case NGX_MAIL_AUTH_LOGIN_USERNAME: |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
512 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3450
diff
changeset
|
513 ngx_str_set(&s->out, pop3_password); |
2495
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
514 s->mail_state = ngx_pop3_auth_login_password; |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
515 |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
516 return ngx_mail_auth_login_username(s, c, 1); |
a59b26eee816
compatibility with Microsoft's
Igor Sysoev <igor@sysoev.ru>
parents:
2388
diff
changeset
|
517 |
1479 | 518 case NGX_MAIL_AUTH_PLAIN: |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
519 |
9287
32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
Maxim Dounin <mdounin@mdounin.ru>
parents:
9235
diff
changeset
|
520 if (s->args.nelts == 2) { |
32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
Maxim Dounin <mdounin@mdounin.ru>
parents:
9235
diff
changeset
|
521 return ngx_mail_auth_plain(s, c, 1); |
32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
Maxim Dounin <mdounin@mdounin.ru>
parents:
9235
diff
changeset
|
522 } |
32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
Maxim Dounin <mdounin@mdounin.ru>
parents:
9235
diff
changeset
|
523 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3450
diff
changeset
|
524 ngx_str_set(&s->out, pop3_next); |
1479 | 525 s->mail_state = ngx_pop3_auth_plain; |
541 | 526 |
1479 | 527 return NGX_OK; |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
528 |
1479 | 529 case NGX_MAIL_AUTH_CRAM_MD5: |
1476
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split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
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 if (!(pscf->auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED)) { |
1476
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
532 return NGX_MAIL_PARSE_INVALID_COMMAND; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
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diff
changeset
|
533 } |
541 | 534 |
1479 | 535 if (ngx_mail_auth_cram_md5_salt(s, c, "+ ", 2) == NGX_OK) { |
536 s->mail_state = ngx_pop3_auth_cram_md5; | |
537 return NGX_OK; | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
538 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
539 |
1479 | 540 return NGX_ERROR; |
6774
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
4499
diff
changeset
|
541 |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
4499
diff
changeset
|
542 case NGX_MAIL_AUTH_EXTERNAL: |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
4499
diff
changeset
|
543 |
6869
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
544 if (!(pscf->auth_methods & NGX_MAIL_AUTH_EXTERNAL_ENABLED)) { |
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
545 return NGX_MAIL_PARSE_INVALID_COMMAND; |
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
546 } |
b2915d99ee8d
Mail: make it possible to disable SASL EXTERNAL.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6774
diff
changeset
|
547 |
9287
32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
Maxim Dounin <mdounin@mdounin.ru>
parents:
9235
diff
changeset
|
548 if (s->args.nelts == 2) { |
32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
Maxim Dounin <mdounin@mdounin.ru>
parents:
9235
diff
changeset
|
549 return ngx_mail_auth_external(s, c, 1); |
32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
Maxim Dounin <mdounin@mdounin.ru>
parents:
9235
diff
changeset
|
550 } |
32d4582c484d
Mail: fixed EXTERNAL to be accepted only if enabled.
Maxim Dounin <mdounin@mdounin.ru>
parents:
9235
diff
changeset
|
551 |
6774
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
4499
diff
changeset
|
552 ngx_str_set(&s->out, pop3_username); |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
4499
diff
changeset
|
553 s->mail_state = ngx_pop3_auth_external; |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
4499
diff
changeset
|
554 |
bcb107bb89cd
Mail: support SASL EXTERNAL (RFC 4422).
Rob N ★ <robn@fastmail.com>
parents:
4499
diff
changeset
|
555 return NGX_OK; |
541 | 556 } |
557 | |
1479 | 558 return rc; |
541 | 559 } |