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
| | /* notmuch - Not much of an email program, (just index and search)
*
* Copyright © 2012 Peter Wang
*
* This program 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.
*
* This program 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 http://www.gnu.org/licenses/ .
*
* Author: Peter Wang <novalazy@gmail.com>
*/
#include "notmuch-client.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
/* Like gethostname but guarantees that a null-terminated hostname is
* returned, even if it has to make one up.
* Returns true unless hostname contains a slash. */
static notmuch_bool_t
safe_gethostname (char *hostname, size_t len)
{
if (gethostname (hostname, len) == -1) {
strncpy (hostname, "unknown", len);
}
hostname[len - 1] = '\0';
return (strchr (hostname, '/') == NULL);
}
/* Open a unique file in the Maildir 'tmp' directory.
* Returns the file descriptor on success, or -1 on failure.
* On success, file paths into the 'tmp' and 'new' directories are returned
* via tmppath and newpath. */
static int
maildir_open_tmp_file (void *ctx, const char *dir,
char **tmppath, char **newpath)
{
pid_t pid;
char hostname[256];
struct timeval tv;
char *filename;
int fd = -1;
/* We follow the Dovecot file name generation algorithm. */
pid = getpid ();
if (! safe_gethostname (hostname, sizeof (hostname))) {
fprintf (stderr, "Error: invalid host name.\n");
return -1;
}
do {
gettimeofday (&tv, NULL);
filename = talloc_asprintf (ctx, "%ld.M%ldP%d.%s",
tv.tv_sec, tv.tv_usec, pid, hostname);
if (! filename) {
fprintf (stderr, "Out of memory\n");
return -1;
}
*tmppath = talloc_asprintf (ctx, "%s/tmp/%s", dir, filename);
if (! *tmppath) {
fprintf (stderr, "Out of memory\n");
return -1;
}
fd = open (*tmppath, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0600);
} while (fd == -1 && errno == EEXIST);
if (fd == -1) {
fprintf (stderr, "Error: opening %s: %s\n", *tmppath, strerror (errno));
return -1;
}
*newpath = talloc_asprintf (ctx, "%s/new/%s", dir, filename);
if (! *newpath) {
fprintf (stderr, "Out of memory\n");
close (fd);
unlink (*tmppath);
return -1;
}
talloc_free (filename);
return fd;
}
static notmuch_bool_t
insert_message (void *ctx, notmuch_database_t *notmuch, int fdin,
const char *dir)
{
char *tmppath;
char *newpath;
int fdout;
fdout = maildir_open_tmp_file (ctx, dir, &tmppath, &newpath);
if (fdout < 0) {
return FALSE;
}
/* For now we just delete the tmp file immediately. */
close (fdout);
unlink (tmppath);
return FALSE;
}
int
notmuch_insert_command (void *ctx, int argc, char *argv[])
{
notmuch_config_t *config;
notmuch_database_t *notmuch;
const char *db_path;
char *maildir;
notmuch_bool_t ret;
config = notmuch_config_open (ctx, NULL, NULL);
if (config == NULL)
return 1;
db_path = notmuch_config_get_database_path (config);
maildir = talloc_asprintf (ctx, "%s", db_path);
if (! maildir) {
fprintf (stderr, "Out of memory\n");
return 1;
}
if (notmuch_database_open (notmuch_config_get_database_path (config),
NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much))
return 1;
ret = insert_message (ctx, notmuch, STDIN_FILENO, maildir);
notmuch_database_destroy (notmuch);
return (ret) ? 0 : 1;
}
|