Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/pop3/commands.c @ 1071:d71e0aa00d75 HEAD

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Don't crash if we couldn't open message.
author Timo Sirainen <tss@iki.fi>
date Sat, 01 Feb 2003 13:44:40 +0200
parents d805c2f1d6a9
children 1fad8b3d7ef1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 "istream.h"
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5 #include "ostream.h"
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6 #include "str.h"
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7 #include "message-size.h"
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8 #include "mail-storage.h"
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9 #include "capability.h"
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10 #include "commands.h"
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11
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12 #define MSGS_BITMASK_SIZE(client) \
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13 ((client->messages_count + (CHAR_BIT-1)) / CHAR_BIT)
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14
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15 static const char *get_msgnum(struct client *client, const char *args,
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16 unsigned int *msgnum)
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17 {
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18 unsigned int num, last_num;
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19
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20 num = 0;
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21 while (*args != '\0' && *args != ' ') {
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22 if (*args < '0' || *args > '9') {
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23 client_send_line(client,
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24 "-ERR Invalid message number: %s", args);
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25 return NULL;
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26 }
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27
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28 last_num = num;
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29 num = num*10 + (*args - '0');
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30 if (num < last_num) {
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31 client_send_line(client,
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32 "-ERR Message number too large: %s", args);
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33 return NULL;
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34 }
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35 args++;
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36 }
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37
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38 if (num == 0 || num > client->messages_count) {
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39 client_send_line(client,
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40 "-ERR There's no message %u.", num);
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41 return NULL;
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42 }
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43 num--;
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44
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45 if (client->deleted) {
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46 if (client->deleted_bitmask[num / CHAR_BIT] &
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47 (1 << (num % CHAR_BIT))) {
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48 client_send_line(client, "-ERR Message is deleted.");
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49 return NULL;
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50 }
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51 }
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52
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53 while (*args == ' ') args++;
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54
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55 *msgnum = num;
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56 return args;
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57 }
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58
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59 static const char *get_size(struct client *client, const char *args,
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60 uoff_t *size)
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61 {
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62 uoff_t num, last_num;
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63
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64 num = 0;
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65 while (*args != '\0' && *args != ' ') {
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66 if (*args < '0' || *args > '9') {
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67 client_send_line(client, "-ERR Invalid size: %s",
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68 args);
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69 return NULL;
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70 }
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71
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72 last_num = num;
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73 num = num*10 + (*args - '0');
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74 if (num < last_num) {
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75 client_send_line(client, "-ERR Size too large: %s",
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76 args);
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77 return NULL;
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78 }
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79 args++;
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80 }
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81
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82 while (*args == ' ') args++;
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83
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84 *size = num;
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85 return args;
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86 }
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87
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88 static int cmd_capa(struct client *client, const char *args __attr_unused__)
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89 {
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90 client_send_line(client, "+OK\r\n"POP3_CAPABILITY_REPLY".");
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91 return TRUE;
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92 }
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93
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94 static int cmd_dele(struct client *client, const char *args)
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95 {
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96 unsigned int msgnum;
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97
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98 if (get_msgnum(client, args, &msgnum) == NULL)
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99 return FALSE;
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100
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101 if (!client->deleted) {
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102 client->deleted_bitmask = i_malloc(MSGS_BITMASK_SIZE(client));
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103 client->deleted = TRUE;
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104 }
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105
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106 client->deleted_bitmask[msgnum / CHAR_BIT] |= 1 << (msgnum % CHAR_BIT);
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107 client_send_line(client, "+OK Marked to be deleted.");
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108 return TRUE;
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109 }
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110
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111 static int cmd_list(struct client *client, const char *args)
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112 {
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113 unsigned int i;
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114
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115 if (*args == '\0') {
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116 client_send_line(client, "+OK %u messages:",
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117 client->messages_count);
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118 for (i = 0; i < client->messages_count; i++) {
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119 client_send_line(client, "%u %"PRIuUOFF_T,
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120 i+1, client->message_sizes[i]);
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121 }
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122 client_send_line(client, ".");
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123 } else {
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124 unsigned int msgnum;
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125
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126 if (get_msgnum(client, args, &msgnum) == NULL)
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127 return FALSE;
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128
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129 client_send_line(client, "+OK %u %"PRIuUOFF_T, msgnum+1,
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130 client->message_sizes[msgnum]);
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131 }
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Timo Sirainen <tss@iki.fi>
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diff changeset
132
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diff changeset
133 return TRUE;
1043
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134 }
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diff changeset
135
1056
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Timo Sirainen <tss@iki.fi>
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diff changeset
136 static int cmd_noop(struct client *client, const char *args __attr_unused__)
1043
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diff changeset
137 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
138 client_send_line(client, "+OK");
1056
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Timo Sirainen <tss@iki.fi>
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diff changeset
139 return TRUE;
1043
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diff changeset
140 }
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diff changeset
141
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Timo Sirainen <tss@iki.fi>
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diff changeset
142 static int cmd_quit(struct client *client, const char *args __attr_unused__)
1043
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diff changeset
143 {
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diff changeset
144 unsigned int first, last, msgnum, max, i, j;
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diff changeset
145 struct mail_full_flags flags;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
146 string_t *set;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
147
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diff changeset
148 if (!client->deleted) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
149 client_send_line(client, "+OK Logging out.");
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diff changeset
150 client_disconnect(client);
1056
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Timo Sirainen <tss@iki.fi>
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diff changeset
151 return TRUE;
1043
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diff changeset
152 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
153
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
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diff changeset
154 set = t_str_new(1024);
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
155 first = last = 0; msgnum = 1;
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Timo Sirainen <tss@iki.fi>
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diff changeset
156 max = MSGS_BITMASK_SIZE(client);
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diff changeset
157 for (i = 0; i < max; i++) {
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
158 if (client->deleted_bitmask[i] == 0) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
159 msgnum += CHAR_BIT;
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Timo Sirainen <tss@iki.fi>
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diff changeset
160 continue;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
161 }
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Timo Sirainen <tss@iki.fi>
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diff changeset
162
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
163 for (j = 0; j < CHAR_BIT; j++, msgnum++) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
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164 if ((client->deleted_bitmask[i] & (1 << j)) == 0)
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
165 continue;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
166
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
167 if (last == msgnum-1 && last != 0)
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Timo Sirainen <tss@iki.fi>
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diff changeset
168 last++;
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169 else {
1045
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170 if (first != 0) {
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Timo Sirainen <tss@iki.fi>
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diff changeset
171 if (first == last)
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Timo Sirainen <tss@iki.fi>
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diff changeset
172 str_printfa(set, ",%u", first);
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173 else {
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Timo Sirainen <tss@iki.fi>
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diff changeset
174 str_printfa(set, ",%u:%u",
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diff changeset
175 first, last);
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Timo Sirainen <tss@iki.fi>
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176 }
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177 }
1043
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178 first = last = msgnum;
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179 }
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parents:
diff changeset
180 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
181 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
182
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
183 if (first != 0) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
184 if (first == last)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
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diff changeset
185 str_printfa(set, ",%u", first);
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diff changeset
186 else
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
187 str_printfa(set, ",%u:%u", first, last);
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188 }
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Timo Sirainen <tss@iki.fi>
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diff changeset
189
1045
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Timo Sirainen <tss@iki.fi>
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diff changeset
190 memset(&flags, 0, sizeof(flags));
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diff changeset
191 flags.flags = MAIL_DELETED;
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diff changeset
192
1043
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193 if (str_len(set) == 0)
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diff changeset
194 client_send_line(client, "+OK Logging out.");
1045
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diff changeset
195 else if (client->mailbox->update_flags(client->mailbox, str_c(set)+1,
1043
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parents:
diff changeset
196 FALSE, &flags, MODIFY_ADD,
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
197 FALSE, NULL) &&
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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parents:
diff changeset
198 client->mailbox->expunge(client->mailbox, FALSE))
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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parents:
diff changeset
199 client_send_line(client, "+OK Logging out, messages deleted.");
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parents:
diff changeset
200 else
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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parents:
diff changeset
201 client_send_storage_error(client);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
202
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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parents:
diff changeset
203 client_disconnect(client);
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Timo Sirainen <tss@iki.fi>
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diff changeset
204 return TRUE;
1043
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parents:
diff changeset
205 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
206
1045
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Timo Sirainen <tss@iki.fi>
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diff changeset
207 static void stream_send_escaped(struct ostream *output, struct istream *input,
1051
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Timo Sirainen <tss@iki.fi>
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diff changeset
208 uoff_t body_lines)
1045
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Timo Sirainen <tss@iki.fi>
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diff changeset
209 {
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Timo Sirainen <tss@iki.fi>
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diff changeset
210 const unsigned char *data;
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Timo Sirainen <tss@iki.fi>
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diff changeset
211 unsigned char last, add;
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Timo Sirainen <tss@iki.fi>
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diff changeset
212 size_t i, size;
1051
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Timo Sirainen <tss@iki.fi>
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diff changeset
213 int cr_skipped, in_header;
1045
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diff changeset
214
1051
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Timo Sirainen <tss@iki.fi>
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diff changeset
215 if (body_lines != (uoff_t)-1)
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
216 body_lines++; /* internally we count the empty line too */
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
217
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
218 cr_skipped = FALSE; in_header = TRUE; last = '\0';
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
219 while ((body_lines > 0 || in_header) &&
1045
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Timo Sirainen <tss@iki.fi>
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diff changeset
220 i_stream_read_data(input, &data, &size, 0) > 0) {
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Timo Sirainen <tss@iki.fi>
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diff changeset
221 add = '\0';
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Timo Sirainen <tss@iki.fi>
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diff changeset
222 for (i = 0; i < size; i++) {
1051
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
223 if (in_header && (data[i] == '\r' || data[i] == '\n')) {
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
parents: 1045
diff changeset
224 if (i == 0 && (last == '\0' || last == '\n'))
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
225 in_header = FALSE;
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
parents: 1045
diff changeset
226 else if (i > 0 && data[i-1] == '\n')
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
227 in_header = FALSE;
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
228 }
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
229
1045
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diff changeset
230 if (data[i] == '\n') {
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diff changeset
231 if ((i == 0 && last != '\r') ||
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
232 (i > 0 && data[i-1] != '\r')) {
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diff changeset
233 /* missing CR */
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Timo Sirainen <tss@iki.fi>
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diff changeset
234 add = '\r';
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Timo Sirainen <tss@iki.fi>
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diff changeset
235 break;
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Timo Sirainen <tss@iki.fi>
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diff changeset
236 }
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
237
1051
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diff changeset
238 if (!in_header) {
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
parents: 1045
diff changeset
239 if (--body_lines == 0) {
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
parents: 1045
diff changeset
240 i++;
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
parents: 1045
diff changeset
241 break;
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
parents: 1045
diff changeset
242 }
1045
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Timo Sirainen <tss@iki.fi>
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diff changeset
243 }
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Timo Sirainen <tss@iki.fi>
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diff changeset
244 } else if (data[i] == '.' &&
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Timo Sirainen <tss@iki.fi>
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diff changeset
245 ((i == 0 && last == '\n') ||
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
246 (i > 0 && data[i-1] == '\n'))) {
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Timo Sirainen <tss@iki.fi>
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diff changeset
247 /* escape the dot */
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Timo Sirainen <tss@iki.fi>
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diff changeset
248 add = '.';
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Timo Sirainen <tss@iki.fi>
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diff changeset
249 i++;
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Timo Sirainen <tss@iki.fi>
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diff changeset
250 break;
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
251 }
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
252 }
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
253
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
254 if (o_stream_send(output, data, i) < 0)
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
255 return;
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
256
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Timo Sirainen <tss@iki.fi>
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diff changeset
257 if (add != '\0') {
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
258 if (o_stream_send(output, &add, 1) < 0)
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
259 return;
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
260 last = add;
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
261 } else {
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
262 last = data[i-1];
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
263 }
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Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
264
be7710b9a819 Fixes, seems to be working now. Only thing left is the pop3-login..
Timo Sirainen <tss@iki.fi>
parents: 1044
diff changeset
265 i_stream_skip(input, i);
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Timo Sirainen <tss@iki.fi>
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266 }
be7710b9a819 Fixes, seems to be working now. Only thing left is the pop3-login..
Timo Sirainen <tss@iki.fi>
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diff changeset
267 }
be7710b9a819 Fixes, seems to be working now. Only thing left is the pop3-login..
Timo Sirainen <tss@iki.fi>
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diff changeset
268
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269 static void fetch(struct client *client, unsigned int msgnum,
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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270 uoff_t body_lines)
1043
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271 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
272 struct mail_fetch_context *ctx;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
273 struct mail *mail;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
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diff changeset
274 struct istream *stream;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
275
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
276 ctx = client->mailbox->fetch_init(client->mailbox,
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
277 MAIL_FETCH_STREAM_HEADER |
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
278 MAIL_FETCH_STREAM_BODY,
1051
5c76c96f745f bugfixes
Timo Sirainen <tss@iki.fi>
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diff changeset
279 NULL, dec2str(msgnum+1),
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
280 FALSE);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
281 if (ctx == NULL) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
282 client_send_storage_error(client);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
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diff changeset
283 return;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
284 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
285
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
286 mail = client->mailbox->fetch_next(ctx);
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d71e0aa00d75 Don't crash if we couldn't open message.
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diff changeset
287 stream = mail == NULL ? NULL : mail->get_stream(mail, NULL, NULL);
d71e0aa00d75 Don't crash if we couldn't open message.
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diff changeset
288 if (stream == NULL)
1043
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289 client_send_line(client, "-ERR Message not found.");
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diff changeset
290 else {
1051
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diff changeset
291 if (body_lines == (uoff_t)-1) {
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diff changeset
292 client_send_line(client, "+OK %"PRIuUOFF_T" octets",
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
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diff changeset
293 client->message_sizes[msgnum]);
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
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diff changeset
294 } else {
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
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diff changeset
295 client_send_line(client, "+OK");
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
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diff changeset
296 }
1043
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297
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298 stream_send_escaped(client->output, stream, body_lines);
1044
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299 client_send_line(client, ".");
1043
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300 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
301
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
302 (void)client->mailbox->fetch_deinit(ctx, NULL);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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303 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
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diff changeset
304
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Timo Sirainen <tss@iki.fi>
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diff changeset
305 static int cmd_retr(struct client *client, const char *args)
1043
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diff changeset
306 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
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diff changeset
307 unsigned int msgnum;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
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diff changeset
308
1056
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Timo Sirainen <tss@iki.fi>
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diff changeset
309 if (get_msgnum(client, args, &msgnum) == NULL)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
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diff changeset
310 return FALSE;
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Timo Sirainen <tss@iki.fi>
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diff changeset
311
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Timo Sirainen <tss@iki.fi>
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diff changeset
312 fetch(client, msgnum, (uoff_t)-1);
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
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diff changeset
313 return TRUE;
1043
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diff changeset
314 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
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diff changeset
315
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Timo Sirainen <tss@iki.fi>
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diff changeset
316 static int cmd_rset(struct client *client, const char *args __attr_unused__)
1043
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diff changeset
317 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
318 if (client->deleted) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
319 client->deleted = FALSE;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
320 memset(client->deleted_bitmask, 0, MSGS_BITMASK_SIZE(client));
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
321 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
322
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
323 client_send_line(client, "+OK");
1056
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Timo Sirainen <tss@iki.fi>
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diff changeset
324 return TRUE;
1043
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diff changeset
325 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
326
1056
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Timo Sirainen <tss@iki.fi>
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diff changeset
327 static int cmd_stat(struct client *client, const char *args __attr_unused__)
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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diff changeset
328 {
1044
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Timo Sirainen <tss@iki.fi>
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diff changeset
329 client_send_line(client, "+OK %u %"PRIuUOFF_T, client->
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
330 messages_count, client->total_size);
1056
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Timo Sirainen <tss@iki.fi>
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diff changeset
331 return TRUE;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
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parents:
diff changeset
332 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
333
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
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diff changeset
334 static int cmd_top(struct client *client, const char *args)
1043
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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 unsigned int msgnum;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
337 uoff_t max_lines;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
338
1045
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Timo Sirainen <tss@iki.fi>
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diff changeset
339 args = get_msgnum(client, args, &msgnum);
1056
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Timo Sirainen <tss@iki.fi>
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diff changeset
340 if (args == NULL)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
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diff changeset
341 return FALSE;
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
342 if (get_size(client, args, &max_lines) == NULL)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
343 return FALSE;
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
344
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
345 fetch(client, msgnum, max_lines);
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
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diff changeset
346 return TRUE;
1043
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diff changeset
347 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
348
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
349 static void list_uids(struct client *client, unsigned int message)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
350 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
351 struct mail_fetch_context *ctx;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
352 struct mail *mail;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
353 const char *messageset;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
354 int found = FALSE;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
355
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
356 if (client->messages_count == 0 && message == 0)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
357 return;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
358
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
359 messageset = message == 0 ?
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
360 t_strdup_printf("1:%u", client->messages_count) :
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
361 t_strdup_printf("%u", message);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
362
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
363 ctx = client->mailbox->fetch_init(client->mailbox, 0,
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
364 NULL, messageset, FALSE);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
365 if (ctx == NULL) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
366 client_send_storage_error(client);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
367 return;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
368 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
369
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
370 while ((mail = client->mailbox->fetch_next(ctx)) != NULL) {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
371 client_send_line(client, message == 0 ?
1044
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
372 "%u %u.%u" : "+OK %u %u.%u",
50d258907c99 Read the sizes of all messages to memory at startup. More failsafe and
Timo Sirainen <tss@iki.fi>
parents: 1043
diff changeset
373 mail->seq, client->uidvalidity, mail->uid);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
374 found = TRUE;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
375 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
376
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
377 (void)client->mailbox->fetch_deinit(ctx, NULL);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
378
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
379 if (!found && message != 0)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
380 client_send_line(client, "-ERR Message not found.");
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
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
383 static int cmd_uidl(struct client *client, const char *args)
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
384 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
385 if (*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
386 client_send_line(client, "+OK");
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
387 list_uids(client, 0);
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
388 client_send_line(client, ".");
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
389 } else {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
390 unsigned int msgnum;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
391
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
392 if (get_msgnum(client, args, &msgnum) == NULL)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
393 return FALSE;
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
394
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
395 list_uids(client, msgnum+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
396 }
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
397
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
398 return TRUE;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
399 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
400
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
401 int client_command_execute(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
402 const char *name, const char *args)
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
403 {
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
404 /* keep the command uppercased */
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
405 name = str_ucase(t_strdup_noconst(name));
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
406
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
407 while (*args == ' ') args++;
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 switch (*name) {
1059
d805c2f1d6a9 Support for CAPA command (rfc2449).
Timo Sirainen <tss@iki.fi>
parents: 1056
diff changeset
410 case 'C':
d805c2f1d6a9 Support for CAPA command (rfc2449).
Timo Sirainen <tss@iki.fi>
parents: 1056
diff changeset
411 if (strcmp(name, "CAPA") == 0)
d805c2f1d6a9 Support for CAPA command (rfc2449).
Timo Sirainen <tss@iki.fi>
parents: 1056
diff changeset
412 return cmd_capa(client, args);
d805c2f1d6a9 Support for CAPA command (rfc2449).
Timo Sirainen <tss@iki.fi>
parents: 1056
diff changeset
413 break;
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
414 case 'D':
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
415 if (strcmp(name, "DELE") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
416 return cmd_dele(client, args);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
417 break;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
418 case 'L':
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
419 if (strcmp(name, "LIST") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
420 return cmd_list(client, args);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
421 break;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
422 case 'N':
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
423 if (strcmp(name, "NOOP") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
424 return cmd_noop(client, args);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
425 break;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
426 case 'Q':
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
427 if (strcmp(name, "QUIT") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
428 return cmd_quit(client, args);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
429 break;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
430 case 'R':
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
431 if (strcmp(name, "RETR") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
432 return cmd_retr(client, args);
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
433 if (strcmp(name, "RSET") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
434 return cmd_rset(client, args);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
435 break;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
436 case 'S':
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
437 if (strcmp(name, "STAT") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
438 return cmd_stat(client, args);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
439 break;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
440 case 'T':
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
441 if (strcmp(name, "TOP") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
442 return cmd_top(client, args);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
443 break;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
444 case 'U':
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
445 if (strcmp(name, "UIDL") == 0)
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
446 return cmd_uidl(client, args);
1043
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
447 break;
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
448 }
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
449
cacabd33c68a Initial code for POP3 server. RETR isn't working right yet, there's some
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
450 client_send_line(client, "-ERR Unknown command: %s", name);
1056
a9b499b2611e Disconnect after too many bad commands. We also crashed if there were no
Timo Sirainen <tss@iki.fi>
parents: 1051
diff changeset
451 return 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
452 }