1 /*
2 * libEtPan! -- a mail stuff library
3 *
4 * Copyright (C) 2001, 2005 - DINH Viet Hoa
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the libEtPan! project nor the names of its
16 * contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 /*
33 * $Id: pop3driver_message.c,v 1.15 2008/02/17 13:13:27 hoa Exp $
34 */
35
36 #ifdef HAVE_CONFIG_H
37 # include <config.h>
38 #endif
39
40 #include "pop3driver_message.h"
41
42 #include "mailmessage_tools.h"
43 #include "pop3driver_tools.h"
44 #include "pop3driver.h"
45 #include "mailpop3.h"
46 #include <stdlib.h>
47 #include <string.h>
48
49 static int pop3_prefetch(mailmessage * msg_info);
50
51 static void pop3_prefetch_free(struct generic_message_t * msg);
52
53 static int pop3_initialize(mailmessage * msg_info);
54
55 static int pop3_fetch_header(mailmessage * msg_info,
56 char ** result,
57 size_t * result_len);
58
59 static int pop3_fetch_size(mailmessage * msg_info,
60 size_t * result);
61
62 static mailmessage_driver local_pop3_message_driver = {
63 /* msg_name */ "pop3",
64
65 /* msg_initialize */ pop3_initialize,
66 /* msg_uninitialize */ mailmessage_generic_uninitialize,
67
68 /* msg_flush */ mailmessage_generic_flush,
69 /* msg_check */ NULL,
70
71 /* msg_fetch_result_free */ mailmessage_generic_fetch_result_free,
72
73 /* msg_fetch */ mailmessage_generic_fetch,
74 /* msg_fetch_header */ pop3_fetch_header,
75 /* msg_fetch_body */ mailmessage_generic_fetch_body,
76 /* msg_fetch_size */ pop3_fetch_size,
77 /* msg_get_bodystructure */ mailmessage_generic_get_bodystructure,
78 /* msg_fetch_section */ mailmessage_generic_fetch_section,
79 /* msg_fetch_section_header */ mailmessage_generic_fetch_section_header,
80 /* msg_fetch_section_mime */ mailmessage_generic_fetch_section_mime,
81 /* msg_fetch_section_body */ mailmessage_generic_fetch_section_body,
82 /* msg_fetch_envelope */ mailmessage_generic_fetch_envelope,
83
84 /* msg_get_flags */ NULL
85 };
86
87 mailmessage_driver * pop3_message_driver = &local_pop3_message_driver;
88
89 static inline struct pop3_session_state_data *
get_data(mailsession * session)90 get_data(mailsession * session)
91 {
92 return session->sess_data;
93 }
94
95
get_pop3_session(mailsession * session)96 static mailpop3 * get_pop3_session(mailsession * session)
97 {
98 return get_data(session)->pop3_session;
99 }
100
101
pop3_prefetch(mailmessage * msg_info)102 static int pop3_prefetch(mailmessage * msg_info)
103 {
104 char * msg_content;
105 size_t msg_length;
106 struct generic_message_t * msg;
107 int r;
108
109 r = pop3driver_retr(msg_info->msg_session, msg_info->msg_index,
110 &msg_content, &msg_length);
111 if (r != MAIL_NO_ERROR)
112 return r;
113
114 msg = msg_info->msg_data;
115
116 msg->msg_message = msg_content;
117 msg->msg_length = msg_length;
118
119 return MAIL_NO_ERROR;
120 }
121
pop3_prefetch_free(struct generic_message_t * msg)122 static void pop3_prefetch_free(struct generic_message_t * msg)
123 {
124 if (msg->msg_message != NULL) {
125 mmap_string_unref(msg->msg_message);
126 msg->msg_message = NULL;
127 }
128 }
129
pop3_initialize(mailmessage * msg_info)130 static int pop3_initialize(mailmessage * msg_info)
131 {
132 struct generic_message_t * msg;
133 int r;
134 char * uid;
135 struct mailpop3_msg_info * info;
136 mailpop3 * pop3;
137
138 pop3 = get_pop3_session(msg_info->msg_session);
139
140 r = mailpop3_get_msg_info(pop3, msg_info->msg_index, &info);
141 switch (r) {
142 case MAILPOP3_NO_ERROR:
143 break;
144 default:
145 return pop3driver_pop3_error_to_mail_error(r);
146 }
147
148 uid = strdup(info->msg_uidl);
149 if (uid == NULL)
150 return MAIL_ERROR_MEMORY;
151
152 r = mailmessage_generic_initialize(msg_info);
153 if (r != MAIL_NO_ERROR) {
154 free(uid);
155 return r;
156 }
157
158 msg = msg_info->msg_data;
159 msg->msg_prefetch = pop3_prefetch;
160 msg->msg_prefetch_free = pop3_prefetch_free;
161 msg_info->msg_uid = uid;
162
163 return MAIL_NO_ERROR;
164 }
165
166
pop3_fetch_header(mailmessage * msg_info,char ** result,size_t * result_len)167 static int pop3_fetch_header(mailmessage * msg_info,
168 char ** result,
169 size_t * result_len)
170 {
171 struct generic_message_t * msg;
172 char * headers;
173 size_t headers_length;
174 int r;
175
176 msg = msg_info->msg_data;
177
178 if (msg->msg_message != NULL)
179 return mailmessage_generic_fetch_header(msg_info,
180 result, result_len);
181
182 r = pop3driver_header(msg_info->msg_session, msg_info->msg_index,
183 &headers, &headers_length);
184 if (r != MAIL_NO_ERROR)
185 return r;
186
187 * result = headers;
188 * result_len = headers_length;
189
190 return MAIL_NO_ERROR;
191 }
192
pop3_fetch_size(mailmessage * msg_info,size_t * result)193 static int pop3_fetch_size(mailmessage * msg_info,
194 size_t * result)
195 {
196 return pop3driver_size(msg_info->msg_session, msg_info->msg_index, result);
197 }
198