#include "exim.h"
#ifdef WITH_CONTENT_SCAN
-/* externals, we must reset them on unspooling */
-#ifdef WITH_OLD_DEMIME
-extern int demime_ok;
-extern struct file_extension *file_extensions;
-#endif
-
extern int malware_ok;
extern int spam_ok;
int spool_mbox_ok = 0;
uschar spooled_message_id[MESSAGE_ID_LENGTH+1];
-/* returns a pointer to the FILE, and puts the size in bytes into mbox_file_size
- * normally, source_file_override is NULL */
+/*
+Create an MBOX-style message file from the spooled files.
+
+Returns a pointer to the FILE, and puts the size in bytes into mbox_file_size.
+If mbox_fname is non-null, fill in a pointer to the name.
+Normally, source_file_override is NULL
+*/
FILE *
-spool_mbox(unsigned long *mbox_file_size, const uschar *source_file_override)
+spool_mbox(unsigned long *mbox_file_size, const uschar *source_file_override,
+ uschar ** mbox_fname)
{
uschar message_subdir[2];
uschar buffer[16384];
header_line *my_headerlist;
struct stat statbuf;
int i, j;
-void *reset_point = store_get(0);
+void *reset_point;
+
+mbox_path = string_sprintf("%s/scan/%s/%s.eml",
+ spool_directory, message_id, message_id);
+if (mbox_fname) *mbox_fname = mbox_path;
-mbox_path = string_sprintf("%s/scan/%s/%s.eml", spool_directory, message_id,
- message_id);
+reset_point = store_get(0);
/* Skip creation if already spooled out as mbox file */
if (!spool_mbox_ok)
}
/* open [message_id].eml file for writing */
- mbox_file = modefopen(mbox_path, "wb", SPOOL_MODE);
- if (mbox_file == NULL)
+
+ if (!(mbox_file = modefopen(mbox_path, "wb", SPOOL_MODE)))
{
log_write(0, LOG_MAIN|LOG_PANIC, "%s", string_open_failed(errno,
"scan file %s", mbox_path));
"${if def:sender_address{X-Envelope-From: <${sender_address}>\n}}"
"${if def:recipients{X-Envelope-To: ${recipients}\n}}");
- if (temp_string != NULL)
- {
- i = fwrite(temp_string, Ustrlen(temp_string), 1, mbox_file);
- if (i != 1)
+ if (temp_string)
+ if (fwrite(temp_string, Ustrlen(temp_string), 1, mbox_file) != 1)
{
log_write(0, LOG_MAIN|LOG_PANIC, "Error/short write while writing \
mailbox headers to %s", mbox_path);
goto OUT;
}
- }
- /* write all header lines to mbox file */
- my_headerlist = header_list;
- for (my_headerlist = header_list; my_headerlist != NULL;
- my_headerlist = my_headerlist->next)
- {
- /* skip deleted headers */
- if (my_headerlist->type == '*') continue;
+ /* write all non-deleted header lines to mbox file */
- i = fwrite(my_headerlist->text, my_headerlist->slen, 1, mbox_file);
- if (i != 1)
- {
- log_write(0, LOG_MAIN|LOG_PANIC, "Error/short write while writing \
- message headers to %s", mbox_path);
- goto OUT;
- }
- }
+ for (my_headerlist = header_list; my_headerlist;
+ my_headerlist = my_headerlist->next)
+ if (my_headerlist->type != '*')
+ if (fwrite(my_headerlist->text, my_headerlist->slen, 1, mbox_file) != 1)
+ {
+ log_write(0, LOG_MAIN|LOG_PANIC, "Error/short write while writing \
+ message headers to %s", mbox_path);
+ goto OUT;
+ }
/* End headers */
if (fwrite("\n", 1, 1, mbox_file) != 1)
}
/* copy body file */
- if (source_file_override == NULL)
+ if (!source_file_override)
{
message_subdir[1] = '\0';
for (i = 0; i < 2; i++)
{
- message_subdir[0] = (split_spool_directory == (i == 0))? message_id[5] : 0;
- temp_string = string_sprintf("%s/input/%s/%s-D", spool_directory,
- message_subdir, message_id);
- data_file = Ufopen(temp_string, "rb");
- if (data_file != NULL) break;
+ message_subdir[0] = split_spool_directory == (i == 0) ? message_id[5] : 0;
+ temp_string = spool_fname(US"input", message_subdir, message_id, US"-D");
+ if ((data_file = Ufopen(temp_string, "rb"))) break;
}
}
else
data_file = Ufopen(source_file_override, "rb");
- if (data_file == NULL)
+ if (!data_file)
{
log_write(0, LOG_MAIN|LOG_PANIC, "Could not open datafile for message %s",
message_id);
do
{
- j = fread(buffer, 1, sizeof(buffer), data_file);
+ uschar * s;
+
+ if (!spool_file_wireformat || source_file_override)
+ j = fread(buffer, 1, sizeof(buffer), data_file);
+ else /* needs CRLF -> NL */
+ if ((s = fgets(buffer, sizeof(buffer), data_file)))
+ {
+ uschar * p = s + Ustrlen(s) - 1;
+
+ if (*p == '\n' && p[-1] == '\r')
+ *--p = '\n';
+ else if (*p == '\r')
+ ungetc(*p--, data_file);
+
+ j = p - buffer;
+ }
+ else
+ j = 0;
if (j > 0)
- {
- i = fwrite(buffer, j, 1, mbox_file);
- if (i != 1)
+ if (fwrite(buffer, j, 1, mbox_file) != 1)
{
log_write(0, LOG_MAIN|LOG_PANIC, "Error/short write while writing \
message body to %s", mbox_path);
goto OUT;
}
- }
} while (j > 0);
(void)fclose(mbox_file);
}
/* get the size of the mbox message and open [message_id].eml file for reading*/
-if (Ustat(mbox_path, &statbuf) != 0 ||
- (yield = Ufopen(mbox_path,"rb")) == NULL)
- {
+
+if ( !(yield = Ufopen(mbox_path,"rb"))
+ || fstat(fileno(yield), &statbuf) != 0
+ )
log_write(0, LOG_MAIN|LOG_PANIC, "%s", string_open_failed(errno,
"scan file %s", mbox_path));
- goto OUT;
- }
-
-*mbox_file_size = statbuf.st_size;
+else
+ *mbox_file_size = statbuf.st_size;
OUT:
if (data_file) (void)fclose(data_file);
-/* remove mbox spool file, demimed files and temp directory */
+/* remove mbox spool file and temp directory */
void
unspool_mbox(void)
{
-
-/* reset all exiscan state variables */
-#ifdef WITH_OLD_DEMIME
-demime_ok = 0;
-demime_errorlevel = 0;
-demime_reason = NULL;
-file_extensions = NULL;
-#endif
-
spam_ok = 0;
malware_ok = 0;
{
uschar *mbox_path;
uschar *file_path;
- int n;
struct dirent *entry;
DIR *tempdir;
while((entry = readdir(tempdir)) != NULL)
{
uschar *name = US entry->d_name;
+ int dummy;
if (Ustrcmp(name, US".") == 0 || Ustrcmp(name, US"..") == 0) continue;
file_path = string_sprintf("%s/%s", mbox_path, name);
debug_printf("unspool_mbox(): unlinking '%s'\n", file_path);
- n = unlink(CS file_path);
+ dummy = unlink(CS file_path);
}
closedir(tempdir);