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
|
/* send-mail.c - Invoke sendmail or other delivery tool.
* Copyright (C) 2016 g10 Code GmbH
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../common/util.h"
#include "../common/exectool.h"
#include "../common/sysutils.h"
#include "send-mail.h"
static gpg_error_t
run_sendmail (estream_t data)
{
gpg_error_t err;
const char pgmname[] = "/usr/lib/sendmail";
const char *argv[3];
argv[0] = "-oi";
argv[1] = "-t";
argv[2] = NULL;
err = gnupg_exec_tool_stream (pgmname, argv, data, NULL, NULL, NULL, NULL);
if (err)
log_error ("running '%s' failed: %s\n", pgmname, gpg_strerror (err));
return err;
}
/* Send the data in FP as mail. */
gpg_error_t
send_mail (estream_t fp)
{
return run_sendmail (fp);
}
/* Convenience function to write a mail to a named file. */
gpg_error_t
send_mail_to_file (estream_t fp, const char *fname)
{
gpg_error_t err;
estream_t outfp = NULL;
char *buffer = NULL;
size_t buffersize = 32 * 1024;
size_t nbytes, nwritten;
if (!fname)
fname = "-";
buffer = xtrymalloc (buffersize);
if (!buffer)
return gpg_error_from_syserror ();
outfp = !strcmp (fname,"-")? es_stdout : es_fopen (fname, "wb");
if (!outfp)
{
err = gpg_error_from_syserror ();
log_error ("error creating '%s': %s\n", fname, gpg_strerror (err));
goto leave;
}
for (;;)
{
if (es_read (fp, buffer, sizeof buffer, &nbytes))
{
err = gpg_error_from_syserror ();
log_error ("error reading '%s': %s\n",
es_fname_get (fp), gpg_strerror (err));
goto leave;
}
if (!nbytes)
{
err = 0;
break; /* Ready. */
}
if (es_write (outfp, buffer, nbytes, &nwritten))
{
err = gpg_error_from_syserror ();
log_error ("error writing '%s': %s\n", fname, gpg_strerror (err));
goto leave;
}
else if (nwritten != nbytes)
{
err = gpg_error (GPG_ERR_EIO);
log_error ("error writing '%s': %s\n", fname, "short write");
goto leave;
}
}
leave:
if (err)
{
if (outfp && outfp != es_stdout)
{
es_fclose (outfp);
gnupg_remove (fname);
}
}
else if (outfp && outfp != es_stdout && es_fclose (outfp))
{
err = gpg_error_from_syserror ();
log_error ("error closing '%s': %s\n", fname, gpg_strerror (err));
}
xfree (buffer);
return err;
}
|
