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f4ebf0e8 | 1 | #!/bin/sh |
2 | # | |
3 | # ssh-user-config, Copyright 2000, Red Hat Inc. | |
4 | # | |
5 | # This file is part of the Cygwin port of OpenSSH. | |
6 | ||
7 | progname=$0 | |
8 | auto_answer="" | |
9 | auto_passphrase="no" | |
10 | passphrase="" | |
11 | ||
12 | request() | |
13 | { | |
14 | if [ "${auto_answer}" = "yes" ] | |
15 | then | |
16 | return 0 | |
17 | elif [ "${auto_answer}" = "no" ] | |
18 | then | |
19 | return 1 | |
20 | fi | |
21 | ||
22 | answer="" | |
23 | while [ "X${answer}" != "Xyes" -a "X${answer}" != "Xno" ] | |
24 | do | |
25 | echo -n "$1 (yes/no) " | |
26 | read answer | |
27 | done | |
28 | if [ "X${answer}" = "Xyes" ] | |
29 | then | |
30 | return 0 | |
31 | else | |
32 | return 1 | |
33 | fi | |
34 | } | |
35 | ||
36 | # Check options | |
37 | ||
38 | while : | |
39 | do | |
40 | case $# in | |
41 | 0) | |
42 | break | |
43 | ;; | |
44 | esac | |
45 | ||
46 | option=$1 | |
47 | shift | |
48 | ||
49 | case "$option" in | |
50 | -d | --debug ) | |
51 | set -x | |
52 | ;; | |
53 | ||
54 | -y | --yes ) | |
55 | auto_answer=yes | |
56 | ;; | |
57 | ||
58 | -n | --no ) | |
59 | auto_answer=no | |
60 | ;; | |
61 | ||
62 | -p | --passphrase ) | |
63 | with_passphrase="yes" | |
64 | passphrase=$1 | |
65 | shift | |
66 | ;; | |
67 | ||
68 | *) | |
69 | echo "usage: ${progname} [OPTION]..." | |
70 | echo | |
71 | echo "This script creates an OpenSSH user configuration." | |
72 | echo | |
73 | echo "Options:" | |
74 | echo " --debug -d Enable shell's debug output." | |
75 | echo " --yes -y Answer all questions with \"yes\" automatically." | |
76 | echo " --no -n Answer all questions with \"no\" automatically." | |
77 | echo " --passphrase -p word Use \"word\" as passphrase automatically." | |
78 | echo | |
79 | exit 1 | |
80 | ;; | |
81 | ||
82 | esac | |
83 | done | |
84 | ||
85 | # Ask user if user identity should be generated | |
86 | ||
87 | if [ ! -f /etc/passwd ] | |
88 | then | |
89 | echo '/etc/passwd is nonexistant. Please generate an /etc/passwd file' | |
90 | echo 'first using mkpasswd. Check if it contains an entry for you and' | |
91 | echo 'please care for the home directory in your entry as well.' | |
92 | exit 1 | |
93 | fi | |
94 | ||
95 | uid=`id -u` | |
96 | pwdhome=`awk -F: '{ if ( $3 == '${uid}' ) print $6; }' < /etc/passwd` | |
97 | ||
98 | if [ "X${pwdhome}" = "X" ] | |
99 | then | |
100 | echo 'There is no home directory set for you in /etc/passwd.' | |
101 | echo 'Setting $HOME is not sufficient!' | |
102 | exit 1 | |
103 | fi | |
104 | ||
105 | if [ ! -d "${pwdhome}" ] | |
106 | then | |
107 | echo "${pwdhome} is set in /etc/passwd as your home directory" | |
108 | echo 'but it is not a valid directory. Cannot create user identity files.' | |
109 | exit 1 | |
110 | fi | |
111 | ||
112 | # If home is the root dir, set home to empty string to avoid error messages | |
113 | # in subsequent parts of that script. | |
114 | if [ "X${pwdhome}" = "X/" ] | |
115 | then | |
116 | # But first raise a warning! | |
117 | echo 'Your home directory in /etc/passwd is set to root (/). This is not recommended!' | |
118 | if request "Would you like to proceed anyway?" | |
119 | then | |
120 | pwdhome='' | |
121 | else | |
122 | exit 1 | |
123 | fi | |
124 | fi | |
125 | ||
126 | if [ -e "${pwdhome}/.ssh" -a ! -d "${pwdhome}/.ssh" ] | |
127 | then | |
128 | echo "${pwdhome}/.ssh is existant but not a directory. Cannot create user identity files." | |
129 | exit 1 | |
130 | fi | |
131 | ||
132 | if [ ! -e "${pwdhome}/.ssh" ] | |
133 | then | |
134 | mkdir "${pwdhome}/.ssh" | |
135 | if [ ! -e "${pwdhome}/.ssh" ] | |
136 | then | |
137 | echo "Creating users ${pwdhome}/.ssh directory failed" | |
138 | exit 1 | |
139 | fi | |
140 | fi | |
141 | ||
142 | if [ ! -f "${pwdhome}/.ssh/identity" ] | |
143 | then | |
144 | if request "Shall I create an SSH1 RSA identity file for you?" | |
145 | then | |
146 | echo "Generating ${pwdhome}/.ssh/identity" | |
147 | if [ "${with_passphrase}" = "yes" ] | |
148 | then | |
149 | ssh-keygen -t rsa1 -N "${passphrase}" -f "${pwdhome}/.ssh/identity" > /dev/null | |
150 | else | |
151 | ssh-keygen -t rsa1 -f "${pwdhome}/.ssh/identity" > /dev/null | |
152 | fi | |
153 | if request "Do you want to use this identity to login to this machine?" | |
154 | then | |
155 | echo "Adding to ${pwdhome}/.ssh/authorized_keys" | |
156 | cat "${pwdhome}/.ssh/identity.pub" >> "${pwdhome}/.ssh/authorized_keys" | |
157 | fi | |
158 | fi | |
159 | fi | |
160 | ||
161 | if [ ! -f "${pwdhome}/.ssh/id_rsa" ] | |
162 | then | |
163 | if request "Shall I create an SSH2 RSA identity file for you? (yes/no) " | |
164 | then | |
165 | echo "Generating ${pwdhome}/.ssh/id_rsa" | |
166 | if [ "${with_passphrase}" = "yes" ] | |
167 | then | |
168 | ssh-keygen -t rsa -N "${passphrase}" -f "${pwdhome}/.ssh/id_rsa" > /dev/null | |
169 | else | |
170 | ssh-keygen -t rsa -f "${pwdhome}/.ssh/id_rsa" > /dev/null | |
171 | fi | |
172 | if request "Do you want to use this identity to login to this machine?" | |
173 | then | |
fcd7f067 | 174 | echo "Adding to ${pwdhome}/.ssh/authorized_keys" |
175 | cat "${pwdhome}/.ssh/id_rsa.pub" >> "${pwdhome}/.ssh/authorized_keys" | |
f4ebf0e8 | 176 | fi |
177 | fi | |
178 | fi | |
179 | ||
180 | if [ ! -f "${pwdhome}/.ssh/id_dsa" ] | |
181 | then | |
182 | if request "Shall I create an SSH2 DSA identity file for you? (yes/no) " | |
183 | then | |
184 | echo "Generating ${pwdhome}/.ssh/id_dsa" | |
185 | if [ "${with_passphrase}" = "yes" ] | |
186 | then | |
187 | ssh-keygen -t dsa -N "${passphrase}" -f "${pwdhome}/.ssh/id_dsa" > /dev/null | |
188 | else | |
189 | ssh-keygen -t dsa -f "${pwdhome}/.ssh/id_dsa" > /dev/null | |
190 | fi | |
191 | if request "Do you want to use this identity to login to this machine?" | |
192 | then | |
fcd7f067 | 193 | echo "Adding to ${pwdhome}/.ssh/authorized_keys" |
194 | cat "${pwdhome}/.ssh/id_dsa.pub" >> "${pwdhome}/.ssh/authorized_keys" | |
f4ebf0e8 | 195 | fi |
196 | fi | |
197 | fi | |
198 | ||
199 | echo | |
200 | echo "Configuration finished. Have fun!" |