1 /* $Cambridge: exim/src/src/spool_mbox.c,v 1.4 2005/02/17 11:58:26 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003-???? */
10 /* Code for setting up a MBOX style spool file inside a /scan/<msgid>
11 sub directory of exim's spool directory. */
14 #ifdef WITH_CONTENT_SCAN
16 /* externals, we must reset them on unspooling */
17 #ifdef WITH_OLD_DEMIME
19 extern struct file_extension
*file_extensions
;
22 extern int malware_ok
;
25 int spool_mbox_ok
= 0;
26 uschar spooled_message_id
[17];
28 /* returns a pointer to the FILE, and puts the size in bytes into mbox_file_size */
30 FILE *spool_mbox(unsigned long *mbox_file_size
) {
31 uschar mbox_path
[1024];
32 uschar message_subdir
[2];
33 uschar data_buffer
[65535];
35 FILE *data_file
= NULL
;
36 header_line
*my_headerlist
;
41 /* create scan directory, if not present */
42 if (!directory_make(spool_directory
, US
"scan", 0750, FALSE
)) {
43 debug_printf("unable to create directory: %s/scan\n", spool_directory
);
47 /* create temp directory inside scan dir */
48 snprintf(CS mbox_path
, 1024, "%s/scan/%s", spool_directory
, message_id
);
49 if (!directory_make(NULL
, mbox_path
, 0750, FALSE
)) {
50 debug_printf("unable to create directory: %s/scan/%s\n", spool_directory
, message_id
);
54 /* open [message_id].eml file for writing */
55 snprintf(CS mbox_path
, 1024, "%s/scan/%s/%s.eml", spool_directory
, message_id
, message_id
);
56 mbox_file
= Ufopen(mbox_path
,"w");
58 if (mbox_file
== NULL
) {
59 debug_printf("unable to open file for writing: %s\n", mbox_path
);
63 /* write all header lines to mbox file */
64 my_headerlist
= header_list
;
65 while (my_headerlist
!= NULL
) {
67 /* skip deleted headers */
68 if (my_headerlist
->type
== '*') {
69 my_headerlist
= my_headerlist
->next
;
73 i
= fwrite(my_headerlist
->text
, 1, my_headerlist
->slen
, mbox_file
);
74 if (i
!= my_headerlist
->slen
) {
75 debug_printf("error/short write on writing in: %s", mbox_path
);
80 my_headerlist
= my_headerlist
->next
;
84 message_subdir
[1] = '\0';
85 for (i
= 0; i
< 2; i
++) {
86 message_subdir
[0] = (split_spool_directory
== (i
== 0))? message_id
[5] : 0;
87 sprintf(CS mbox_path
, "%s/input/%s/%s-D", spool_directory
, message_subdir
, message_id
);
88 data_file
= Ufopen(mbox_path
,"r");
89 if (data_file
!= NULL
)
93 fread(data_buffer
, 1, 18, data_file
);
96 j
= fread(data_buffer
, 1, sizeof(data_buffer
), data_file
);
98 i
= fwrite(data_buffer
, 1, j
, mbox_file
);
100 debug_printf("error/short write on writing in: %s", mbox_path
);
110 Ustrcpy(spooled_message_id
, message_id
);
114 snprintf(CS mbox_path
, 1024, "%s/scan/%s/%s.eml", spool_directory
, message_id
, message_id
);
116 /* get the size of the mbox message */
117 stat(CS mbox_path
, &statbuf
);
118 *mbox_file_size
= statbuf
.st_size
;
120 /* open [message_id].eml file for reading */
121 mbox_file
= Ufopen(mbox_path
,"r");
126 /* remove mbox spool file, demimed files and temp directory */
127 void unspool_mbox(void) {
129 /* reset all exiscan state variables */
130 #ifdef WITH_OLD_DEMIME
132 demime_errorlevel
= 0;
133 demime_reason
= NULL
;
134 file_extensions
= NULL
;
144 if (!no_mbox_unspool
) {
145 uschar mbox_path
[1024];
146 uschar file_path
[1024];
148 struct dirent
*entry
;
151 snprintf(CS mbox_path
, 1024, "%s/scan/%s", spool_directory
, spooled_message_id
);
153 tempdir
= opendir(CS mbox_path
);
154 /* loop thru dir & delete entries */
157 entry
= readdir(tempdir
);
158 if (entry
== NULL
) break;
159 snprintf(CS file_path
, 1024,"%s/scan/%s/%s", spool_directory
, spooled_message_id
, entry
->d_name
);
160 if ( (Ustrcmp(entry
->d_name
,"..") != 0) && (Ustrcmp(entry
->d_name
,".") != 0) ) {
161 debug_printf("unspool_mbox(): unlinking '%s'\n", file_path
);
162 n
= unlink(CS file_path
);
168 /* remove directory */
169 n
= rmdir(CS mbox_path
);