blob: cf3442ee173afa577be5be56814f840ae7e5b82e (
plain)
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
|
#!/bin/bash
cd "${0%/*}"
remove_leading_spaces() {
sed '
s/^ \{'"$1"'\}//
t
d
'
}
tmp_dir=$(mktemp -d)
trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT
while read -r csr; do
csr_local="${tmp_dir}/${csr##*/}"
curl -Ss "${csr}" -o "${csr_local}"
if ! content=$(
openssl req -text -noout -verify -in "${csr_local}" 2>/dev/null
); then
rm "${csr_local}"
continue
fi
content=$(
printf '%s\n' "${content}" \
| sed -n '
/^Certificate Request:$/,/^\S/p
' \
| remove_leading_spaces 4 \
| sed -n '
/^Data:$/,/^\S/p
' \
| remove_leading_spaces 4
)
cn=$(
printf '%s\n' "${content}" \
| sed '
s/^Subject: .*, CN = \(\S\+\)$/\1/
t
d
'
)
sans=$(
printf '%s\n' "${content}" \
| sed -n '
/^Requested Extensions:$/,/^\S/ p
' \
| remove_leading_spaces 4 \
| sed -n '
/^X\S\+ Subject Alternative Name:\s*$/,/^\S/ p
' \
| remove_leading_spaces 4 \
| sed '
s/, /\n/g
'
)
if printf '%s\n' "${sans}" | grep -vq '^\(DNS\|IP\):'; then
continue
fi
sans=$(
printf '%s\n' "${sans}" \
| sed '
s/^\(DNS\|IP\)://
'
)
ok_sans=$(
printf '%s\n' "${cn}" "${sans}" \
| while read -r san; do
if ! curl -Ss --insecure 'https://'"${san}/${csr#*//*/}" \
| diff -q - "${csr_local}"; then
rm "${csr_local}"
break
fi
printf '%s\n' "${san}"
done
)
if [ ! -f "${csr_local}" ]; then
continue
fi
if [ "$(printf '%s\n' "${cn}" "${sans}")" != "${ok_sans}" ]; then
rm "${csr_local}"
continue
fi
openssl req -x509 -key eckner-ca.key -in "${csr_local}" -out "${csr_local%.csr}.crt" -addext 'basicConstraints = critical, CA:false'
rm "${csr_local}"
done
cd "${tmp_dir}"
tar -czf - *
|
