Mercurial > dovecot > core-2.2

annotate src/pop3/client.c @ 5500:4862cb37106c HEAD

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Moved namespace handling to lib-storage. Beginnings of namespace support for non-IMAP parts of Dovecot.
author Timo Sirainen <tss@iki.fi>
date Tue, 03 Apr 2007 11:34:27 +0300
parents bbe25ef34f03
children 74d3236313c1
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1 /* Copyright (C) 2002 Timo Sirainen */
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2
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3 #include "common.h"
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4 #include "buffer.h"
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5 #include "ioloop.h"
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6 #include "network.h"
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7 #include "istream.h"
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8 #include "ostream.h"
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9 #include "str.h"
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10 #include "var-expand.h"
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11 #include "mail-storage.h"
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12 #include "commands.h"
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13 #include "mail-search.h"
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14 #include "mail-namespace.h"
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15
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16 #include <stdlib.h>
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17 #include <unistd.h>
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18
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19 /* max. length of input command line (spec says 512) */
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20 #define MAX_INBUF_SIZE 2048
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21
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22 /* Stop reading input when output buffer has this many bytes. Once the buffer
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23 size has dropped to half of it, start reading input again. */
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24 #define OUTBUF_THROTTLE_SIZE 4096
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25
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26 /* If we can't send anything for 10 minutes, disconnect the client */
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27 #define CLIENT_OUTPUT_TIMEOUT (10*60)
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28
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29 /* Disconnect client when it sends too many bad commands in a row */
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30 #define CLIENT_MAX_BAD_COMMANDS 20
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31
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32 /* Disconnect client after idling this many seconds */
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33 #define CLIENT_IDLE_TIMEOUT (10*60)
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34
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35 extern struct mail_storage_callbacks mail_storage_callbacks;
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36
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37 static struct client *my_client; /* we don't need more than one currently */
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38 static struct timeout *to_idle;
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39
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40 static void client_input(struct client *client);
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41 static int client_output(struct client *client);
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42
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43 static int sync_mailbox(struct mailbox *box, struct mailbox_status *status)
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44 {
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45 struct mailbox_sync_context *ctx;
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46 struct mailbox_sync_rec sync_rec;
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47
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48 ctx = mailbox_sync_init(box, MAILBOX_SYNC_FLAG_FULL_READ);
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49 while (mailbox_sync_next(ctx, &sync_rec) > 0)
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50 ;
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51 return mailbox_sync_deinit(&ctx, STATUS_UIDVALIDITY, status);
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52 }
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53
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54 static int init_mailbox(struct client *client)
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55 {
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56 struct mail_search_arg search_arg;
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57 struct mailbox_transaction_context *t;
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58 struct mail_search_context *ctx;
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59 struct mailbox_status status;
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60 struct mail *mail;
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61 buffer_t *message_sizes_buf;
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62 int i;
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63 bool failed;
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64
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65 message_sizes_buf = buffer_create_dynamic(default_pool, 512);
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66
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67 memset(&search_arg, 0, sizeof(search_arg));
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68 search_arg.type = SEARCH_ALL;
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69
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70 for (i = 0; i < 2; i++) {
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71 if (sync_mailbox(client->mailbox, &status) < 0) {
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72 client_send_storage_error(client);
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73 break;
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74 }
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75 client->uid_validity = status.uidvalidity;
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76
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77 t = mailbox_transaction_begin(client->mailbox, 0);
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78 ctx = mailbox_search_init(t, NULL, &search_arg, NULL);
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79
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80 client->last_seen = 0;
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81 client->total_size = 0;
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82 buffer_set_used_size(message_sizes_buf, 0);
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83
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84 failed = FALSE;
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85 mail = mail_alloc(t, MAIL_FETCH_VIRTUAL_SIZE, NULL);
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86 while (mailbox_search_next(ctx, mail) > 0) {
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87 uoff_t size = mail_get_virtual_size(mail);
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88
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89 if (size == (uoff_t)-1) {
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90 failed = TRUE;
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91 break;
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92 }
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93
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94 if ((mail_get_flags(mail) & MAIL_SEEN) != 0)
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95 client->last_seen = mail->seq;
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96 client->total_size += size;
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97
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98 buffer_append(message_sizes_buf, &size, sizeof(size));
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99 }
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100 client->messages_count =
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101 message_sizes_buf->used / sizeof(uoff_t);
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102
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103 mail_free(&mail);
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104 if (mailbox_search_deinit(&ctx) < 0) {
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105 client_send_storage_error(client);
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106 mailbox_transaction_rollback(&t);
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107 break;
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108 }
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109
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110 if (!failed) {
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111 client->trans = t;
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112 client->message_sizes =
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113 buffer_free_without_data(message_sizes_buf);
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114 return TRUE;
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115 }
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116
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117 /* well, sync and try again */
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118 mailbox_transaction_rollback(&t);
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119 }
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120
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121 if (i == 2)
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122 client_send_line(client, "-ERR [IN-USE] Couldn't sync mailbox.");
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123 buffer_free(message_sizes_buf);
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124 return FALSE;
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125 }
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126
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127 struct client *client_create(int fd_in, int fd_out,
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diff changeset
128 struct mail_namespace *namespaces)
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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parents:
diff changeset
129 {
5500
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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parents: 5178
diff changeset
130 struct mail_storage *storage;
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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parents: 5178
diff changeset
131 const char *inbox;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
132 struct client *client;
2039
f0925b2271e1 Added pop3_mails_keep_recent option. Fixed recent assert crash.
Timo Sirainen <tss@iki.fi>
parents: 2020
diff changeset
133 enum mailbox_open_flags flags;
5178
bbe25ef34f03 If INBOX can't be opened, give better error messages. The reason is never
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diff changeset
134 const char *errmsg;
3863
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents: 3517
diff changeset
135 bool syntax_error, temporary_error;
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diff changeset
136
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
137 /* always use nonblocking I/O */
3960
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
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parents: 3879
diff changeset
138 net_set_nonblock(fd_in, TRUE);
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
139 net_set_nonblock(fd_out, TRUE);
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
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parents: 2322
diff changeset
140
1043
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diff changeset
141 client = i_new(struct client, 1);
3960
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
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diff changeset
142 client->fd_in = fd_in;
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
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parents: 3879
diff changeset
143 client->fd_out = fd_out;
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
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diff changeset
144 client->input = i_stream_create_file(fd_in, default_pool,
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diff changeset
145 MAX_INBUF_SIZE, FALSE);
3960
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
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diff changeset
146 client->output = o_stream_create_file(fd_out, default_pool,
2421
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parents: 2322
diff changeset
147 (size_t)-1, FALSE);
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
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parents: 2322
diff changeset
148 o_stream_set_flush_callback(client->output, client_output, client);
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149
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diff changeset
150 client->io = io_add(fd_in, IO_READ, client_input, client);
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diff changeset
151 client->last_input = ioloop_time;
5500
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parents: 5178
diff changeset
152
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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diff changeset
153 client->namespaces = namespaces;
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154
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diff changeset
155 inbox = "INBOX";
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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parents: 5178
diff changeset
156 client->inbox_ns = mail_namespace_find(namespaces, &inbox);
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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parents: 5178
diff changeset
157 if (client->inbox_ns == NULL) {
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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diff changeset
158 client_send_line(client, "-ERR No INBOX namespace for user.");
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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diff changeset
159 client_destroy(client, "No INBOX namespace for user.");
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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diff changeset
160 return NULL;
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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parents: 5178
diff changeset
161 }
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
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parents: 5178
diff changeset
162
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
Timo Sirainen <tss@iki.fi>
parents: 5178
diff changeset
163 storage = client->inbox_ns->storage;
1915
79790750c349 importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents: 1845
diff changeset
164 mail_storage_set_callbacks(storage, &mail_storage_callbacks, client);
1043
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165
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Timo Sirainen <tss@iki.fi>
parents: 2020
diff changeset
166 flags = 0;
2719
f8adc5cb2508 Renamed pop3_mails_keep_recent to pop3_no_flag_updates which includes
Timo Sirainen <tss@iki.fi>
parents: 2712
diff changeset
167 if (no_flag_updates)
2039
f0925b2271e1 Added pop3_mails_keep_recent option. Fixed recent assert crash.
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parents: 2020
diff changeset
168 flags |= MAILBOX_OPEN_KEEP_RECENT;
4153
690c72358cd5 Added pop3_lock_session setting.
Timo Sirainen <tss@iki.fi>
parents: 4118
diff changeset
169 if (lock_session)
690c72358cd5 Added pop3_lock_session setting.
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parents: 4118
diff changeset
170 flags |= MAILBOX_OPEN_KEEP_LOCKED;
3245
6491dab63e54 Added input stream parameter to mailbox_open(). With mbox it now allows
Timo Sirainen <tss@iki.fi>
parents: 3209
diff changeset
171 client->mailbox = mailbox_open(storage, "INBOX", NULL, flags);
1363
383e4b9e347c Crashfix if there was some errors while opening mailbox
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parents: 1059
diff changeset
172 if (client->mailbox == NULL) {
5178
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Timo Sirainen <tss@iki.fi>
parents: 5102
diff changeset
173 errmsg = t_strdup_printf("Couldn't open INBOX: %s",
bbe25ef34f03 If INBOX can't be opened, give better error messages. The reason is never
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parents: 5102
diff changeset
174 mail_storage_get_last_error(storage,
bbe25ef34f03 If INBOX can't be opened, give better error messages. The reason is never
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diff changeset
175 &syntax_error,
bbe25ef34f03 If INBOX can't be opened, give better error messages. The reason is never
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diff changeset
176 &temporary_error));
bbe25ef34f03 If INBOX can't be opened, give better error messages. The reason is never
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diff changeset
177 i_error("%s", errmsg);
bbe25ef34f03 If INBOX can't be opened, give better error messages. The reason is never
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diff changeset
178 client_send_line(client, "-ERR [IN-USE] %s", errmsg);
bbe25ef34f03 If INBOX can't be opened, give better error messages. The reason is never
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diff changeset
179 client_destroy(client, "Couldn't open INBOX");
1363
383e4b9e347c Crashfix if there was some errors while opening mailbox
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diff changeset
180 return NULL;
383e4b9e347c Crashfix if there was some errors while opening mailbox
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diff changeset
181 }
383e4b9e347c Crashfix if there was some errors while opening mailbox
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parents: 1059
diff changeset
182
383e4b9e347c Crashfix if there was some errors while opening mailbox
Timo Sirainen <tss@iki.fi>
parents: 1059
diff changeset
183 if (!init_mailbox(client)) {
5091
d73a97cc0ea7 If mailbox initialization failed, log an error instead of just telling about
Timo Sirainen <tss@iki.fi>
parents: 4907
diff changeset
184 i_error("Couldn't init INBOX: %s",
d73a97cc0ea7 If mailbox initialization failed, log an error instead of just telling about
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parents: 4907
diff changeset
185 mail_storage_get_last_error(storage, &syntax_error,
d73a97cc0ea7 If mailbox initialization failed, log an error instead of just telling about
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parents: 4907
diff changeset
186 &temporary_error));
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
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parents: 3372
diff changeset
187 client_destroy(client, "Mailbox init failed");
1363
383e4b9e347c Crashfix if there was some errors while opening mailbox
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diff changeset
188 return NULL;
383e4b9e347c Crashfix if there was some errors while opening mailbox
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diff changeset
189 }
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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parents:
diff changeset
190
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
191 i_assert(my_client == NULL);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
192 my_client = client;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
193
1646
a7c742b940e5 Added pop3 hooks
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parents: 1640
diff changeset
194 if (hook_client_created != NULL)
a7c742b940e5 Added pop3 hooks
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diff changeset
195 hook_client_created(&client);
1043
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diff changeset
196 return client;
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diff changeset
197 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
198
3384
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diff changeset
199 static const char *client_stats(struct client *client)
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
200 {
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
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diff changeset
201 static struct var_expand_table static_tab[] = {
4118
b66da5c1a94b Replaced %T and %R with %p and %b. %R was already used by string-reversion,
Timo Sirainen <tss@iki.fi>
parents: 4096
diff changeset
202 { 'p', NULL },
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
203 { 't', NULL },
4118
b66da5c1a94b Replaced %T and %R with %p and %b. %R was already used by string-reversion,
Timo Sirainen <tss@iki.fi>
parents: 4096
diff changeset
204 { 'b', NULL },
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
205 { 'r', NULL },
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
206 { 'd', NULL },
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
207 { 'm', NULL },
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
208 { 's', NULL },
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
209 { '\0', NULL }
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
210 };
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
211 struct var_expand_table *tab;
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
212 string_t *str;
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
213
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
214 tab = t_malloc(sizeof(static_tab));
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
215 memcpy(tab, static_tab, sizeof(static_tab));
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
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parents: 3372
diff changeset
216
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
217 tab[0].value = dec2str(client->top_bytes);
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
218 tab[1].value = dec2str(client->top_count);
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
219 tab[2].value = dec2str(client->retr_bytes);
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
220 tab[3].value = dec2str(client->retr_count);
4566
aa9109a17db6 Show number of actually expunged messages in logout message, instead of
Timo Sirainen <tss@iki.fi>
parents: 4153
diff changeset
221 tab[4].value = dec2str(client->expunged_count);
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
222 tab[5].value = dec2str(client->messages_count);
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
223 tab[6].value = dec2str(client->total_size);
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
224
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
225 str = t_str_new(128);
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
226 var_expand(str, logout_format, tab);
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
227 return str_c(str);
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
228 }
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
229
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
230 void client_destroy(struct client *client, const char *reason)
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
231 {
4096
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
232 if (!client->disconnected) {
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
233 if (reason == NULL)
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
234 reason = "Disconnected";
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
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parents: 3372
diff changeset
235 i_info("%s %s", reason, client_stats(client));
4096
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
236 }
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
237
2502
e628e0ab8924 Deinitialize pop3 commands if connection is closed unexpectedly.
Timo Sirainen <tss@iki.fi>
parents: 2494
diff changeset
238 if (client->cmd != NULL) {
e628e0ab8924 Deinitialize pop3 commands if connection is closed unexpectedly.
Timo Sirainen <tss@iki.fi>
parents: 2494
diff changeset
239 /* deinitialize command */
e628e0ab8924 Deinitialize pop3 commands if connection is closed unexpectedly.
Timo Sirainen <tss@iki.fi>
parents: 2494
diff changeset
240 i_stream_close(client->input);
e628e0ab8924 Deinitialize pop3 commands if connection is closed unexpectedly.
Timo Sirainen <tss@iki.fi>
parents: 2494
diff changeset
241 o_stream_close(client->output);
e628e0ab8924 Deinitialize pop3 commands if connection is closed unexpectedly.
Timo Sirainen <tss@iki.fi>
parents: 2494
diff changeset
242 client->cmd(client);
2695
Timo Sirainen <tss@iki.fi>
parents: 2665
diff changeset
243 i_assert(client->cmd == NULL);
2502
e628e0ab8924 Deinitialize pop3 commands if connection is closed unexpectedly.
Timo Sirainen <tss@iki.fi>
parents: 2494
diff changeset
244 }
5102
f8c2cf9e3267 Commit the transaction even if client didn't QUIT so cached data gets saved.
Timo Sirainen <tss@iki.fi>
parents: 5091
diff changeset
245 if (client->trans != NULL) {
f8c2cf9e3267 Commit the transaction even if client didn't QUIT so cached data gets saved.
Timo Sirainen <tss@iki.fi>
parents: 5091
diff changeset
246 /* client didn't QUIT, but we still want to save any changes
f8c2cf9e3267 Commit the transaction even if client didn't QUIT so cached data gets saved.
Timo Sirainen <tss@iki.fi>
parents: 5091
diff changeset
247 done in this transaction. especially the cached virtual
f8c2cf9e3267 Commit the transaction even if client didn't QUIT so cached data gets saved.
Timo Sirainen <tss@iki.fi>
parents: 5091
diff changeset
248 message sizes. */
f8c2cf9e3267 Commit the transaction even if client didn't QUIT so cached data gets saved.
Timo Sirainen <tss@iki.fi>
parents: 5091
diff changeset
249 (void)mailbox_transaction_commit(&client->trans, 0);
f8c2cf9e3267 Commit the transaction even if client didn't QUIT so cached data gets saved.
Timo Sirainen <tss@iki.fi>
parents: 5091
diff changeset
250 }
2722
8c5bcd6585a4 Use only a single transaction for the whole duration of pop3 session. Avoids
Timo Sirainen <tss@iki.fi>
parents: 2719
diff changeset
251 if (client->mailbox != NULL)
3879
928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to
Timo Sirainen <tss@iki.fi>
parents: 3863
diff changeset
252 mailbox_close(&client->mailbox);
5500
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
Timo Sirainen <tss@iki.fi>
parents: 5178
diff changeset
253 mail_namespaces_deinit(&client->namespaces);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
254
1044
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
255 i_free(client->message_sizes);
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
256 i_free(client->deleted_bitmask);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
257
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
258 if (client->io != NULL)
3879
928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to
Timo Sirainen <tss@iki.fi>
parents: 3863
diff changeset
259 io_remove(&client->io);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
260
4070
71b8faa84ec6 Added i_stream_destroy() and o_stream_destroy() and used them instead of
Timo Sirainen <tss@iki.fi>
parents: 3970
diff changeset
261 i_stream_destroy(&client->input);
71b8faa84ec6 Added i_stream_destroy() and o_stream_destroy() and used them instead of
Timo Sirainen <tss@iki.fi>
parents: 3970
diff changeset
262 o_stream_destroy(&client->output);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
263
3960
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
264 if (close(client->fd_in) < 0)
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
265 i_error("close(client in) failed: %m");
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
266 if (client->fd_in != client->fd_out) {
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
267 if (close(client->fd_out) < 0)
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
268 i_error("close(client out) failed: %m");
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
269 }
aeb424e64f24 Call io_remove() before closing the fd. It's required by kqueue.
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
270
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
271 i_free(client);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
272
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
273 /* quit the program */
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
274 my_client = NULL;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
275 io_loop_stop(ioloop);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
276 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
277
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
278 void client_disconnect(struct client *client, const char *reason)
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
279 {
4096
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
280 if (client->disconnected)
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
281 return;
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
282
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
283 client->disconnected = TRUE;
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
284 i_info("Disconnected: %s %s", reason, client_stats(client));
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
285
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
286 (void)o_stream_flush(client->output);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
287
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
288 i_stream_close(client->input);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
289 o_stream_close(client->output);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
290 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
291
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
292 int client_send_line(struct client *client, const char *fmt, ...)
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
293 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
294 va_list va;
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
295 string_t *str;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
296 ssize_t ret;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
297
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
298 if (client->output->closed)
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
299 return -1;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
300
2015
0fae715679bc t_push/t_pop
Timo Sirainen <tss@iki.fi>
parents: 2012
diff changeset
301 t_push();
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
302 va_start(va, fmt);
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
303
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
304 str = t_str_new(256);
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
305 str_vprintfa(str, fmt, va);
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
306 str_append(str, "\r\n");
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
307
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
308 ret = o_stream_send(client->output, str_data(str), str_len(str));
2735
25113dcc9705 Crashfix
Timo Sirainen <tss@iki.fi>
parents: 2722
diff changeset
309 if (ret >= 0) {
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
310 i_assert((size_t)ret == str_len(str));
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
311
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
312 if (o_stream_get_buffer_used_size(client->output) <
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
313 OUTBUF_THROTTLE_SIZE) {
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
314 ret = 1;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
315 client->last_output = ioloop_time;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
316 } else {
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
317 ret = 0;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
318 if (client->io != NULL) {
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
319 /* no more input until client has read
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
320 our output */
3879
928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to
Timo Sirainen <tss@iki.fi>
parents: 3863
diff changeset
321 io_remove(&client->io);
3352
75cfcf7736a7 Connection could have gotten stuck sometimes, doing nothing until idle
Timo Sirainen <tss@iki.fi>
parents: 3336
diff changeset
322
75cfcf7736a7 Connection could have gotten stuck sometimes, doing nothing until idle
Timo Sirainen <tss@iki.fi>
parents: 3336
diff changeset
323 /* If someone happens to flush output,
75cfcf7736a7 Connection could have gotten stuck sometimes, doing nothing until idle
Timo Sirainen <tss@iki.fi>
parents: 3336
diff changeset
324 we want to get our IO handler back in
75cfcf7736a7 Connection could have gotten stuck sometimes, doing nothing until idle
Timo Sirainen <tss@iki.fi>
parents: 3336
diff changeset
325 flush callback */
75cfcf7736a7 Connection could have gotten stuck sometimes, doing nothing until idle
Timo Sirainen <tss@iki.fi>
parents: 3336
diff changeset
326 o_stream_set_flush_pending(client->output,
75cfcf7736a7 Connection could have gotten stuck sometimes, doing nothing until idle
Timo Sirainen <tss@iki.fi>
parents: 3336
diff changeset
327 TRUE);
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
328 }
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
329 }
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
330 }
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
331
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
332 va_end(va);
2015
0fae715679bc t_push/t_pop
Timo Sirainen <tss@iki.fi>
parents: 2012
diff changeset
333 t_pop();
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
334 return (int)ret;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
335 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
336
1044
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
337 void client_send_storage_error(struct client *client)
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
338 {
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
339 const char *error;
3863
55df57c028d4 Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents: 3517
diff changeset
340 bool syntax, temporary_error;
1044
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
341
1915
79790750c349 importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents: 1845
diff changeset
342 if (mailbox_is_inconsistent(client->mailbox)) {
1415
c1a7da406bbd Handle inconsistency error separately.
Timo Sirainen <tss@iki.fi>
parents: 1412
diff changeset
343 client_send_line(client, "-ERR Mailbox is in inconsistent "
c1a7da406bbd Handle inconsistency error separately.
Timo Sirainen <tss@iki.fi>
parents: 1412
diff changeset
344 "state, please relogin.");
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
345 client_disconnect(client, "Mailbox is in inconsistent state.");
1415
c1a7da406bbd Handle inconsistency error separately.
Timo Sirainen <tss@iki.fi>
parents: 1412
diff changeset
346 return;
c1a7da406bbd Handle inconsistency error separately.
Timo Sirainen <tss@iki.fi>
parents: 1412
diff changeset
347 }
c1a7da406bbd Handle inconsistency error separately.
Timo Sirainen <tss@iki.fi>
parents: 1412
diff changeset
348
5500
4862cb37106c Moved namespace handling to lib-storage. Beginnings of namespace support for
Timo Sirainen <tss@iki.fi>
parents: 5178
diff changeset
349 error = mail_storage_get_last_error(client->inbox_ns->storage, &syntax,
3517
46bfbbcc3c54 Added separate "temporary error" flag for mail_storage_get_last_error().
Timo Sirainen <tss@iki.fi>
parents: 3469
diff changeset
350 &temporary_error);
1412
ac714d7d0b67 If no error is set, give "BUG: Unknown error" rather than try to print NULL
Timo Sirainen <tss@iki.fi>
parents: 1363
diff changeset
351 client_send_line(client, "-ERR %s", error != NULL ? error :
ac714d7d0b67 If no error is set, give "BUG: Unknown error" rather than try to print NULL
Timo Sirainen <tss@iki.fi>
parents: 1363
diff changeset
352 "BUG: Unknown error");
1044
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
353 }
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
354
4907
5b4c9b20eba0 Replaced void *context from a lot of callbacks with the actual context
Timo Sirainen <tss@iki.fi>
parents: 4848
diff changeset
355 static void client_input(struct client *client)
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
356 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
357 char *line, *args;
3469
7e39590da48a Call t_push/t_pop around client command execution function, so if client
Timo Sirainen <tss@iki.fi>
parents: 3441
diff changeset
358 int ret;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
359
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
360 if (client->cmd != NULL) {
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
361 /* we're still processing a command. wait until it's
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
362 finished. */
3879
928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to
Timo Sirainen <tss@iki.fi>
parents: 3863
diff changeset
363 io_remove(&client->io);
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
364 client->waiting_input = TRUE;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
365 return;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
366 }
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
367
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
368 client->waiting_input = FALSE;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
369 client->last_input = ioloop_time;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
370
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
371 switch (i_stream_read(client->input)) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
372 case -1:
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
373 /* disconnected */
4096
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
374 client_destroy(client, NULL);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
375 return;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
376 case -2:
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
377 /* line too long, kill it */
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
378 client_send_line(client, "-ERR Input line too long.");
4096
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
379 client_destroy(client, "Input line too long");
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
380 return;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
381 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
382
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
383 o_stream_cork(client->output);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
384 while (!client->output->closed &&
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
385 (line = i_stream_next_line(client->input)) != NULL) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
386 args = strchr(line, ' ');
4816
8ac2a2d27364 Cleanup: Don't put string literals into non-const pointers.
Timo Sirainen <tss@iki.fi>
parents: 4566
diff changeset
387 if (args != NULL)
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
388 *args++ = '\0';
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
389
3469
7e39590da48a Call t_push/t_pop around client command execution function, so if client
Timo Sirainen <tss@iki.fi>
parents: 3441
diff changeset
390 t_push();
4816
8ac2a2d27364 Cleanup: Don't put string literals into non-const pointers.
Timo Sirainen <tss@iki.fi>
parents: 4566
diff changeset
391 ret = client_command_execute(client, line,
8ac2a2d27364 Cleanup: Don't put string literals into non-const pointers.
Timo Sirainen <tss@iki.fi>
parents: 4566
diff changeset
392 args != NULL ? args : "");
3469
7e39590da48a Call t_push/t_pop around client command execution function, so if client
Timo Sirainen <tss@iki.fi>
parents: 3441
diff changeset
393 t_pop();
7e39590da48a Call t_push/t_pop around client command execution function, so if client
Timo Sirainen <tss@iki.fi>
parents: 3441
diff changeset
394 if (ret >= 0) {
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1053
diff changeset
395 client->bad_counter = 0;
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
396 if (client->cmd != NULL) {
3336
a3a72d5bdfce o_stream_uncork() was previously always setting IO_WRITE handler even if
Timo Sirainen <tss@iki.fi>
parents: 3260
diff changeset
397 o_stream_set_flush_pending(client->output,
a3a72d5bdfce o_stream_uncork() was previously always setting IO_WRITE handler even if
Timo Sirainen <tss@iki.fi>
parents: 3260
diff changeset
398 TRUE);
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
399 client->waiting_input = TRUE;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
400 break;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
401 }
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
402 } else if (++client->bad_counter > CLIENT_MAX_BAD_COMMANDS) {
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1053
diff changeset
403 client_send_line(client, "-ERR Too many bad commands.");
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
404 client_disconnect(client, "Too many bad commands.");
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1053
diff changeset
405 }
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
406 }
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
407 o_stream_uncork(client->output);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
408
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
409 if (client->output->closed)
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
410 client_destroy(client, NULL);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
411 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
412
4907
5b4c9b20eba0 Replaced void *context from a lot of callbacks with the actual context
Timo Sirainen <tss@iki.fi>
parents: 4848
diff changeset
413 static int client_output(struct client *client)
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
414 {
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
415 int ret;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
416
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
417 if ((ret = o_stream_flush(client->output)) < 0) {
3384
3b75956d20c4 Added configurable logging for login process. Added configurable pop3 logout
Timo Sirainen <tss@iki.fi>
parents: 3372
diff changeset
418 client_destroy(client, NULL);
2790
02c0b8d532c2 Changed ostream's flush callback to have return value which can tell if
Timo Sirainen <tss@iki.fi>
parents: 2735
diff changeset
419 return 1;
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
420 }
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
422 client->last_output = ioloop_time;
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
423
3394
30099e1ccf97 Small optimization
Timo Sirainen <tss@iki.fi>
parents: 3391
diff changeset
424 if (client->cmd != NULL) {
30099e1ccf97 Small optimization
Timo Sirainen <tss@iki.fi>
parents: 3391
diff changeset
425 o_stream_cork(client->output);
2494
a2e2c76021b9 Fixes for nonblocking changes.
Timo Sirainen <tss@iki.fi>
parents: 2421
diff changeset
426 client->cmd(client);
3394
30099e1ccf97 Small optimization
Timo Sirainen <tss@iki.fi>
parents: 3391
diff changeset
427 o_stream_uncork(client->output);
30099e1ccf97 Small optimization
Timo Sirainen <tss@iki.fi>
parents: 3391
diff changeset
428 }
2494
a2e2c76021b9 Fixes for nonblocking changes.
Timo Sirainen <tss@iki.fi>
parents: 2421
diff changeset
429
3391
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
430 if (client->cmd == NULL) {
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
431 if (o_stream_get_buffer_used_size(client->output) <
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
432 OUTBUF_THROTTLE_SIZE/2 && client->io == NULL) {
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
433 /* enable input again */
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
434 client->io = io_add(i_stream_get_fd(client->input),
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
435 IO_READ, client_input, client);
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
436 }
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
437 if (client->io != NULL && client->waiting_input)
d01de9d362c1 Code cleanup. Removed useless previous "fix".
Timo Sirainen <tss@iki.fi>
parents: 3384
diff changeset
438 client_input(client);
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
439 }
2494
a2e2c76021b9 Fixes for nonblocking changes.
Timo Sirainen <tss@iki.fi>
parents: 2421
diff changeset
440
2790
02c0b8d532c2 Changed ostream's flush callback to have return value which can tell if
Timo Sirainen <tss@iki.fi>
parents: 2735
diff changeset
441 return client->cmd == NULL;
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
442 }
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
443
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
444 static void idle_timeout(void *context __attr_unused__)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
445 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
446 if (my_client == NULL)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
447 return;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
448
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
449 if (my_client->cmd != NULL) {
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
450 if (ioloop_time - my_client->last_output >=
4096
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
451 CLIENT_OUTPUT_TIMEOUT) {
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
452 client_destroy(my_client, "Disconnected for inactivity "
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
453 "in reading our output");
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
454 }
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
455 } else {
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
456 if (ioloop_time - my_client->last_input >=
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
457 CLIENT_IDLE_TIMEOUT) {
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
458 client_send_line(my_client,
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
459 "-ERR Disconnected for inactivity.");
4096
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
460 client_destroy(my_client, "Disconnected for inactivity");
2421
d141e1bfdd63 We never do blocking reads/writes to network anymore. Changed imap and pop3
Timo Sirainen <tss@iki.fi>
parents: 2322
diff changeset
461 }
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
462 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
463 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
464
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
465 void clients_init(void)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
466 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
467 my_client = NULL;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
468 to_idle = timeout_add(10000, idle_timeout, NULL);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
469 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
470
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
471 void clients_deinit(void)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
472 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
473 if (my_client != NULL) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
474 client_send_line(my_client, "-ERR Server shutting down.");
4096
904c53275e83 Log a line when IMAP client disconnects with a reason why it happened.
Timo Sirainen <tss@iki.fi>
parents: 4070
diff changeset
475 client_destroy(my_client, "Server shutting down");
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
476 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
477
3879
928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to
Timo Sirainen <tss@iki.fi>
parents: 3863
diff changeset
478 timeout_remove(&to_idle);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
479 }