1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* DSTART */
/* */
/* maildrop - mail delivery agent with filtering abilities */
/* */
/* Copyright 1998, Double Precision Inc. */
/* */
/* This program is distributed under the terms of the GNU General Public */
/* License. See COPYING for additional information. */
/* DEND */
#include "formatmbox.h"
#include "message.h"
#include "messageinfo.h"
#include "mio.h"
#include "maildrop.h"
#include "config.h"
#include "autoconf.h"
#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#include "mytime.h"
#include <ctype.h>
static const char rcsid[]="$Id: formatmbox.C 1.3 1998/06/23 01:45:34 mrsam Exp $";
int FormatMbox::HasMsg()
{
maildrop.msgptr->Rewind();
msglinebuf.reset();
if (maildrop.msgptr->appendline(msglinebuf,0) < 0) return (-1);
// Empty message, do not deliver.
return (0);
}
void FormatMbox::Init(int flag)
{
hdrfrom="";
hdrsubject="";
msgsize=0;
inheader=1;
do_escape=flag;
next_func= &FormatMbox::GetLineBuffer;
if (do_escape)
next_func= &FormatMbox::GetFromLine;
}
Buffer *FormatMbox::GetFromLine(void)
{
time_t tm;
time(&tm);
tempbuf="From ";
tempbuf += maildrop.msginfo.fromname;
tempbuf += ' ';
const char *p=ctime(&tm);
while (*p && *p != '\n')
{
tempbuf.push(*p);
++p;
}
#if CRLF_TERM
tempbuf.push('\r');
#endif
tempbuf.push('\n');
next_func= &FormatMbox::GetLineBuffer;
return (&tempbuf);
}
Buffer *FormatMbox::GetLineBuffer(void)
{
if (!(const char *)msglinebuf) return (0);
if (do_escape)
{
const char *p=msglinebuf;
int l=msglinebuf.Length();
while (l && *p == '>') p++, l--;
if (l >= 5 &&
*p == 'F' && p[1] == 'r' && p[2] == 'o'
&& p[3] == 'm' && p[4] == ' ')
{
tempbuf=">";
tempbuf += msglinebuf;
msglinebuf=tempbuf;
}
}
if (inheader && *(const char *)msglinebuf == '\n')
inheader=0;
if (inheader)
{
const char *p=msglinebuf;
Buffer *bufp=0;
while (*p != '\n' && isspace(*p)) p++;
if ( tolower(*p) == 'f' && tolower(p[1]) == 'r' &&
tolower(p[2]) == 'o' && tolower(p[3]) == 'm' &&
p[4] == ':')
{
p += 5;
bufp= &hdrfrom;
}
else if ( tolower(*p) == 's' && tolower(p[1]) == 'u' &&
tolower(p[2]) == 'b' && tolower(p[3]) == 'j' &&
tolower(p[4]) == 'e' && tolower(p[5]) == 'c' &&
tolower(p[6]) == 't' && p[7] == ':')
{
p += 8;
bufp= &hdrsubject;
}
if (bufp)
{
int l;
while (*p != '\n' && isspace(*p)) p++;
for (l=0; p[l] != '\n'; l++)
;
bufp->append(p, l);
}
}
#if CRLF_TERM
msglinebuf.pop(); // Drop terminating \n
msglinebuf.push('\r');
msglinebuf.push('\n');
#endif
next_func= &FormatMbox::GetNextLineBuffer;
msgsize += msglinebuf.Length();
return (&msglinebuf);
}
Buffer *FormatMbox::GetNextLineBuffer(void)
{
msglinebuf.reset();
if (maildrop.msgptr->appendline(msglinebuf,0) == 0)
return (GetLineBuffer());
return (0); // END OF FILE
}
int FormatMbox::DeliverTo(class Mio &mio)
{
Buffer *bufptr;
while ((bufptr=NextLine()) != NULL)
{
if (mio.write((const char *)*bufptr, bufptr->Length()) < 0)
{
write_error:
merr << "maildrop: error writing to mailbox.\n";
mio.Close();
return (-1);
}
}
if (do_escape && mio.write(
#if CRLF_TERM
"\r\n", 2
#else
"\n", 1
#endif
) < 0)
goto write_error;
if (mio.flush() < 0)
goto write_error;
if (fsync(mio.fd()) < 0)
{
struct stat stat_buf;
// fsync() failure on a regular file means trouble.
if (fstat(mio.fd(), &stat_buf) == 0 &&
S_ISREG(stat_buf.st_mode))
goto write_error;
}
mio.Close();
if (mio.errflag()) return (-1);
return (0);
}
|
