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
|
/* Vuls - Vulnerability Scanner
Copyright (C) 2016 Future Corporation , Japan.
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/>.
*/
package report
import (
"fmt"
"net"
"net/mail"
"net/smtp"
"strings"
"time"
"github.com/future-architect/vuls/config"
"github.com/future-architect/vuls/models"
"golang.org/x/xerrors"
)
// EMailWriter send mail
type EMailWriter struct{}
func (w EMailWriter) Write(rs ...models.ScanResult) (err error) {
conf := config.Conf
var message string
sender := NewEMailSender()
m := map[string]int{}
for _, r := range rs {
if conf.FormatOneEMail {
message += formatFullPlainText(r) + "\r\n\r\n"
mm := r.ScannedCves.CountGroupBySeverity()
keys := []string{"High", "Medium", "Low", "Unknown"}
for _, k := range keys {
m[k] += mm[k]
}
} else {
var subject string
if len(r.Errors) != 0 {
subject = fmt.Sprintf("%s%s An error occurred while scanning",
conf.EMail.SubjectPrefix, r.ServerInfo())
} else {
subject = fmt.Sprintf("%s%s %s",
conf.EMail.SubjectPrefix,
r.ServerInfo(),
r.ScannedCves.FormatCveSummary())
}
if conf.FormatList {
message = formatList(r)
} else {
message = formatFullPlainText(r)
}
if conf.FormatOneLineText {
message = fmt.Sprintf("One Line Summary\r\n================\r\n%s", formatOneLineSummary(r))
}
if err := sender.Send(subject, message); err != nil {
return err
}
}
}
summary := ""
if config.Conf.IgnoreUnscoredCves {
summary = fmt.Sprintf("Total: %d (High:%d Medium:%d Low:%d)",
m["High"]+m["Medium"]+m["Low"], m["High"], m["Medium"], m["Low"])
}
summary = fmt.Sprintf("Total: %d (High:%d Medium:%d Low:%d ?:%d)",
m["High"]+m["Medium"]+m["Low"]+m["Unknown"],
m["High"], m["Medium"], m["Low"], m["Unknown"])
origmessage := message
if conf.FormatOneEMail {
message = fmt.Sprintf("One Line Summary\r\n================\r\n%s", formatOneLineSummary(rs...))
if !conf.FormatOneLineText {
message += fmt.Sprintf("\r\n\r\n%s", origmessage)
}
subject := fmt.Sprintf("%s %s",
conf.EMail.SubjectPrefix, summary)
return sender.Send(subject, message)
}
return nil
}
// EMailSender is interface of sending e-mail
type EMailSender interface {
Send(subject, body string) error
}
type emailSender struct {
conf config.SMTPConf
send func(string, smtp.Auth, string, []string, []byte) error
}
func (e *emailSender) Send(subject, body string) (err error) {
emailConf := e.conf
to := strings.Join(emailConf.To[:], ", ")
cc := strings.Join(emailConf.Cc[:], ", ")
mailAddresses := append(emailConf.To, emailConf.Cc...)
if _, err := mail.ParseAddressList(strings.Join(mailAddresses[:], ", ")); err != nil {
return xerrors.Errorf("Failed to parse email addresses: %w", err)
}
headers := make(map[string]string)
headers["From"] = emailConf.From
headers["To"] = to
headers["Cc"] = cc
headers["Subject"] = subject
headers["Date"] = time.Now().Format(time.RFC1123Z)
headers["Content-Type"] = "text/plain; charset=utf-8"
var header string
for k, v := range headers {
header += fmt.Sprintf("%s: %s\r\n", k, v)
}
message := fmt.Sprintf("%s\r\n%s", header, body)
smtpServer := net.JoinHostPort(emailConf.SMTPAddr, emailConf.SMTPPort)
if emailConf.User != "" && emailConf.Password != "" {
err = e.send(
smtpServer,
smtp.PlainAuth(
"",
emailConf.User,
emailConf.Password,
emailConf.SMTPAddr,
),
emailConf.From,
mailAddresses,
[]byte(message),
)
if err != nil {
return xerrors.Errorf("Failed to send emails: %w", err)
}
return nil
}
err = e.send(
smtpServer,
nil,
emailConf.From,
mailAddresses,
[]byte(message),
)
if err != nil {
return xerrors.Errorf("Failed to send emails: %w", err)
}
return nil
}
// NewEMailSender creates emailSender
func NewEMailSender() EMailSender {
return &emailSender{config.Conf.EMail, smtp.SendMail}
}
|
