annotate src/imap/ngx_imap_handler.c @ 421:01456a419cf9

nginx-0.0.10-2004-09-10-18:32:02 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 10 Sep 2004 14:32:02 +0000
parents 33a8253115b4
children edaefb2a20fc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
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1
de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
2 #include <ngx_config.h>
de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
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3 #include <ngx_core.h>
de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
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4 #include <ngx_event.h>
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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5 #include <ngx_imap.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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6 #include <nginx.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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7
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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8
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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9 static void ngx_imap_init_session(ngx_event_t *rev);
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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10 static void ngx_pop3_auth_state(ngx_event_t *rev);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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11 static ngx_int_t ngx_pop3_read_command(ngx_imap_session_t *s);
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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13
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33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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14 static u_char pop3_greeting[] = "+OK " NGINX_VER " ready" CRLF;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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15 static u_char imap_greeting[] = "* OK " NGINX_VER " ready" CRLF;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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16
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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17 static u_char pop3_ok[] = "+OK" CRLF;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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18 static u_char pop3_invalid_command[] = "-ERR invalid command" CRLF;
413
de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
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de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
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20
415
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import
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21 void ngx_imap_init_connection(ngx_connection_t *c)
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de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
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22 {
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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23 u_char *greeting;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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24 ssize_t size;
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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25
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de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
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26 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0,
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3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 413
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27 "imap init connection");
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de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
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28
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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29 c->log_error = NGX_ERROR_INFO;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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30
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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31 greeting = pop3_greeting;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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32 size = sizeof(pop3_greeting) - 1;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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33
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33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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34 if (ngx_send(c, greeting, size) < size) {
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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35 /*
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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36 * we treat the incomplete sending as NGX_ERROR
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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37 * because it is very strange here
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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38 */
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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39 ngx_imap_close_connection(c);
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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40 return;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
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41 }
413
de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
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42
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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43 c->read->event_handler = ngx_imap_init_session;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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44
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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45 ngx_add_timer(c->read, /* STUB */ 60000);
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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46
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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47 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
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48 ngx_imap_close_connection(c);
413
de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
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49 }
de9d4726e28a nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
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50 }
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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51
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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52
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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53 static void ngx_imap_init_session(ngx_event_t *rev)
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
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54 {
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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55 size_t size;
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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56 ngx_connection_t *c;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
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57 ngx_imap_session_t *s;
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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58
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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59 c = rev->data;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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60
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33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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61 /* TODO: timeout */
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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62
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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63 if (!(s = ngx_pcalloc(c->pool, sizeof(ngx_imap_session_t)))) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
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64 ngx_imap_close_connection(c);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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65 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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66 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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67
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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68 c->data = s;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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69 s->connection = c;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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70
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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71 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) == NGX_ERROR) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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72 ngx_imap_close_connection(s->connection);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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73 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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74 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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75
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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76 size = /* STUB: pop3: 128, imap: configurable 4K default */ 128;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
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77
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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78 s->buffer = ngx_create_temp_buf(s->connection->pool, size);
419
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
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79 if (s->buffer == NULL) {
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 418
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80 ngx_imap_close_connection(s->connection);
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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81 return;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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82 }
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
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83
421
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
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84 c->read->event_handler = ngx_pop3_auth_state;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
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85
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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86 ngx_pop3_auth_state(rev);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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87 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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88
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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89
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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90 static void ngx_pop3_auth_state(ngx_event_t *rev)
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
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91 {
421
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
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92 ngx_uint_t quit;
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
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93 u_char *text;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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94 ssize_t size;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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95 ngx_int_t rc;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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96 ngx_connection_t *c;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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97 ngx_imap_session_t *s;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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98
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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99 c = rev->data;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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100 s = c->data;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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101
421
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
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102 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "pop3 auth state");
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
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103
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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104 /* TODO: timeout */
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
105
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
106 rc = ngx_pop3_read_command(s);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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107
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
108 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
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109 return;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
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110 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
111
421
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
112 quit = 0;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
113 text = pop3_ok;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
114 size = sizeof(pop3_ok) - 1;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
115
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
116 if (rc == NGX_OK) {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
117 switch (s->imap_state) {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
118
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
119 case ngx_pop3_start:
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
120
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
121 switch (s->command) {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
122
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
123 case NGX_POP3_USER:
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
124 if (s->args.nelts == 1) {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
125 s->imap_state = ngx_pop3_user;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
126 } else {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
127 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
128 }
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
129
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
130 break;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
131
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
132 case NGX_POP3_QUIT:
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
133 quit = 1;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
134 break;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
135
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
136 default:
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
137 s->imap_state = ngx_pop3_start;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
138 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
139 break;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
140 }
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
141
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
142 break;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
143
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
144 case ngx_pop3_user:
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
145
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
146 switch (s->command) {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
147
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
148 case NGX_POP3_PASS:
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
149 if (s->args.nelts == 1) {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
150 /* STUB */ s->imap_state = ngx_pop3_start;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
151 } else {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
152 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
153 }
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
154
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
155 break;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
156
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
157 case NGX_POP3_QUIT:
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
158 quit = 1;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
159 break;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
160
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
161 default:
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
162 s->imap_state = ngx_pop3_start;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
163 rc = NGX_IMAP_PARSE_INVALID_COMMAND;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
164 break;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
165 }
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
166
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
167 break;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
168 }
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
169 }
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
170
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
171 if (rc == NGX_IMAP_PARSE_INVALID_COMMAND) {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
172 text = pop3_invalid_command;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
173 size = sizeof(pop3_invalid_command) - 1;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
174 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
175
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
176 if (ngx_send(c, text, size) < size) {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
177 /*
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
178 * we treat the incomplete sending as NGX_ERROR
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
179 * because it is very strange here
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
180 */
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
181 ngx_imap_close_connection(c);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
182 return;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
183 }
421
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
184
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
185 if (quit) {
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
186 ngx_imap_close_connection(c);
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
187 return;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
188 }
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
189
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
190 s->args.nelts = 0;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
191 s->buffer->pos = s->buffer->start;
01456a419cf9 nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 420
diff changeset
192 s->buffer->last = s->buffer->start;
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
193 }
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
194
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
195
420
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
196 static ngx_int_t ngx_pop3_read_command(ngx_imap_session_t *s)
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
197 {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
198 ssize_t n;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
199 ngx_int_t rc;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
200
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
201 n = ngx_recv(s->connection, s->buffer->last,
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
202 s->buffer->end - s->buffer->last);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
203
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
204 if (n == NGX_ERROR || n == 0) {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
205 ngx_imap_close_connection(s->connection);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
206 return NGX_ERROR;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
207 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
208
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
209 if (n > 0) {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
210 s->buffer->last += n;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
211 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
212
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
213 if (n == NGX_AGAIN) {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
214 if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
215 ngx_imap_close_connection(s->connection);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
216 return NGX_ERROR;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
217 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
218
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
219 return NGX_AGAIN;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
220 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
221
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
222 rc = ngx_pop3_parse_command(s);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
223
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
224 if (rc == NGX_AGAIN || rc == NGX_IMAP_PARSE_INVALID_COMMAND) {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
225 return rc;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
226 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
227
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
228 if (rc == NGX_ERROR) {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
229 ngx_imap_close_connection(s->connection);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
230 return NGX_ERROR;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
231 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
232
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
233 return NGX_OK;
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
234 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
235
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
236
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
237 #if 0
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
238
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
239 void ngx_imap_close_session(ngx_imap_session_t *s)
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
240 {
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
241 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
242 "close imap session");
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
243
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
244 ngx_imap_close_connection(s->connection);
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
245 }
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
246
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
247 #endif
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
248
33a8253115b4 nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 419
diff changeset
249
417
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
250 void ngx_imap_close_connection(ngx_connection_t *c)
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
251 {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
252 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
253 "close imap connection: %d", c->fd);
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
254
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
255 ngx_close_connection(c);
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 415
diff changeset
256 }