Kevin Steves | 9be6e26 | 2000-10-29 19:18:49 +0000 | [diff] [blame^] | 1 | #!/bin/sh |
| 2 | # |
| 3 | # ssh-config, Copyright 2000, Red Hat Inc. |
| 4 | # |
| 5 | # This file is part of the Cygwin port of OpenSSH. |
| 6 | |
| 7 | # set -x |
| 8 | |
| 9 | # Subdirectory where the new package is being installed |
| 10 | PREFIX=/usr |
| 11 | |
| 12 | # Directory where the config files are stored |
| 13 | SYSCONFDIR=/etc |
| 14 | |
| 15 | # Subdirectory where an old package might be installed |
| 16 | OLDPREFIX=/usr/local |
| 17 | OLDSYSCONFDIR=${OLDPREFIX}/etc |
| 18 | |
| 19 | request() |
| 20 | { |
| 21 | answer="" |
| 22 | while [ "X${answer}" != "Xyes" -a "X${answer}" != "Xno" ] |
| 23 | do |
| 24 | echo -n "$1 (yes/no) " |
| 25 | read answer |
| 26 | done |
| 27 | if [ "X${answer}" = "Xyes" ] |
| 28 | then |
| 29 | return 0 |
| 30 | else |
| 31 | return 1 |
| 32 | fi |
| 33 | } |
| 34 | |
| 35 | # Check for running ssh/sshd processes first. Refuse to do anything while |
| 36 | # some ssh processes are still running |
| 37 | |
| 38 | if ps -ef | grep -v grep | grep -q ssh |
| 39 | then |
| 40 | echo |
| 41 | echo "There are still ssh processes running. Please shut them down first." |
| 42 | echo |
| 43 | exit 1 |
| 44 | fi |
| 45 | |
| 46 | # Check for ${SYSCONFDIR} directory |
| 47 | |
| 48 | if [ -e "${SYSCONFDIR}" -a ! -d "${SYSCONFDIR}" ] |
| 49 | then |
| 50 | echo |
| 51 | echo "${SYSCONFDIR} is existant but not a directory." |
| 52 | echo "Cannot create global configuration files." |
| 53 | echo |
| 54 | exit 1 |
| 55 | fi |
| 56 | |
| 57 | # Create it if necessary |
| 58 | |
| 59 | if [ ! -e "${SYSCONFDIR}" ] |
| 60 | then |
| 61 | mkdir "${SYSCONFDIR}" |
| 62 | if [ ! -e "${SYSCONFDIR}" ] |
| 63 | then |
| 64 | echo |
| 65 | echo "Creating ${SYSCONFDIR} directory failed" |
| 66 | echo |
| 67 | exit 1 |
| 68 | fi |
| 69 | fi |
| 70 | |
| 71 | # Check for an old installation in ${OLDPREFIX} unless ${OLDPREFIX} isn't |
| 72 | # the same as ${PREFIX} |
| 73 | |
| 74 | if [ "${OLDPREFIX}" != "${PREFIX}" ] |
| 75 | then |
| 76 | if [ -f "${OLDPREFIX}/sbin/sshd" ] |
| 77 | then |
| 78 | echo |
| 79 | echo "You seem to have an older installation in ${OLDPREFIX}." |
| 80 | echo |
| 81 | # Check if old global configuration files exist |
| 82 | if [ -f "${OLDSYSCONFDIR}/ssh_host_key" ] |
| 83 | then |
| 84 | if request "Do you want to copy your config files to your new installation?" |
| 85 | then |
| 86 | cp -f ${OLDSYSCONFDIR}/ssh_host_key ${SYSCONFDIR} |
| 87 | cp -f ${OLDSYSCONFDIR}/ssh_host_key.pub ${SYSCONFDIR} |
| 88 | cp -f ${OLDSYSCONFDIR}/ssh_host_dsa_key ${SYSCONFDIR} |
| 89 | cp -f ${OLDSYSCONFDIR}/ssh_host_dsa_key.pub ${SYSCONFDIR} |
| 90 | cp -f ${OLDSYSCONFDIR}/ssh_config ${SYSCONFDIR} |
| 91 | cp -f ${OLDSYSCONFDIR}/sshd_config ${SYSCONFDIR} |
| 92 | fi |
| 93 | fi |
| 94 | if request "Do you want to erase your old installation?" |
| 95 | then |
| 96 | rm -f ${OLDPREFIX}/bin/ssh.exe |
| 97 | rm -f ${OLDPREFIX}/bin/ssh-config |
| 98 | rm -f ${OLDPREFIX}/bin/scp.exe |
| 99 | rm -f ${OLDPREFIX}/bin/ssh-add.exe |
| 100 | rm -f ${OLDPREFIX}/bin/ssh-agent.exe |
| 101 | rm -f ${OLDPREFIX}/bin/ssh-keygen.exe |
| 102 | rm -f ${OLDPREFIX}/bin/slogin |
| 103 | rm -f ${OLDSYSCONFDIR}/ssh_host_key |
| 104 | rm -f ${OLDSYSCONFDIR}/ssh_host_key.pub |
| 105 | rm -f ${OLDSYSCONFDIR}/ssh_host_dsa_key |
| 106 | rm -f ${OLDSYSCONFDIR}/ssh_host_dsa_key.pub |
| 107 | rm -f ${OLDSYSCONFDIR}/ssh_config |
| 108 | rm -f ${OLDSYSCONFDIR}/sshd_config |
| 109 | rm -f ${OLDPREFIX}/man/man1/ssh.1 |
| 110 | rm -f ${OLDPREFIX}/man/man1/scp.1 |
| 111 | rm -f ${OLDPREFIX}/man/man1/ssh-add.1 |
| 112 | rm -f ${OLDPREFIX}/man/man1/ssh-agent.1 |
| 113 | rm -f ${OLDPREFIX}/man/man1/ssh-keygen.1 |
| 114 | rm -f ${OLDPREFIX}/man/man1/slogin.1 |
| 115 | rm -f ${OLDPREFIX}/man/man8/sshd.8 |
| 116 | rm -f ${OLDPREFIX}/sbin/sshd.exe |
| 117 | rm -f ${OLDPREFIX}/sbin/sftp-server.exe |
| 118 | fi |
| 119 | fi |
| 120 | fi |
| 121 | |
| 122 | # First generate host keys if not already existing |
| 123 | |
| 124 | if [ ! -f "${SYSCONFDIR}/ssh_host_key" ] |
| 125 | then |
| 126 | echo "Generating ${SYSCONFDIR}/ssh_host_key" |
| 127 | ssh-keygen -f ${SYSCONFDIR}/ssh_host_key -N '' |
| 128 | fi |
| 129 | |
| 130 | if [ ! -f "${SYSCONFDIR}/ssh_host_dsa_key" ] |
| 131 | then |
| 132 | echo "Generating ${SYSCONFDIR}/ssh_host_dsa_key" |
| 133 | ssh-keygen -d -f ${SYSCONFDIR}/ssh_host_dsa_key -N '' |
| 134 | fi |
| 135 | |
| 136 | # Check if ssh_config exists. If yes, ask for overwriting |
| 137 | |
| 138 | if [ -f "${SYSCONFDIR}/ssh_config" ] |
| 139 | then |
| 140 | if request "Overwrite existing ${SYSCONFDIR}/ssh_config file?" |
| 141 | then |
| 142 | rm -f "${SYSCONFDIR}/ssh_config" |
| 143 | if [ -f "${SYSCONFDIR}/ssh_config" ] |
| 144 | then |
| 145 | echo "Can't overwrite. ${SYSCONFDIR}/ssh_config is write protected." |
| 146 | fi |
| 147 | fi |
| 148 | fi |
| 149 | |
| 150 | # Create default ssh_config from here script |
| 151 | |
| 152 | if [ ! -f "${SYSCONFDIR}/ssh_config" ] |
| 153 | then |
| 154 | echo "Creating default ${SYSCONFDIR}/ssh_config file" |
| 155 | cat > ${SYSCONFDIR}/ssh_config << EOF |
| 156 | # This is ssh client systemwide configuration file. This file provides |
| 157 | # defaults for users, and the values can be changed in per-user configuration |
| 158 | # files or on the command line. |
| 159 | |
| 160 | # Configuration data is parsed as follows: |
| 161 | # 1. command line options |
| 162 | # 2. user-specific file |
| 163 | # 3. system-wide file |
| 164 | # Any configuration value is only changed the first time it is set. |
| 165 | # Thus, host-specific definitions should be at the beginning of the |
| 166 | # configuration file, and defaults at the end. |
| 167 | |
| 168 | # Site-wide defaults for various options |
| 169 | |
| 170 | # Host * |
| 171 | # ForwardAgent yes |
| 172 | # ForwardX11 yes |
| 173 | # RhostsAuthentication yes |
| 174 | # RhostsRSAAuthentication yes |
| 175 | # RSAAuthentication yes |
| 176 | # PasswordAuthentication yes |
| 177 | # FallBackToRsh no |
| 178 | # UseRsh no |
| 179 | # BatchMode no |
| 180 | # CheckHostIP yes |
| 181 | # StrictHostKeyChecking no |
| 182 | # IdentityFile ~/.ssh/identity |
| 183 | # Port 22 |
| 184 | # Protocol 2,1 |
| 185 | # Cipher 3des |
| 186 | # EscapeChar ~ |
| 187 | |
| 188 | # Be paranoid by default |
| 189 | Host * |
| 190 | ForwardAgent no |
| 191 | ForwardX11 no |
| 192 | FallBackToRsh no |
| 193 | EOF |
| 194 | fi |
| 195 | |
| 196 | # Check if sshd_config exists. If yes, ask for overwriting |
| 197 | |
| 198 | if [ -f "${SYSCONFDIR}/sshd_config" ] |
| 199 | then |
| 200 | if request "Overwrite existing ${SYSCONFDIR}/sshd_config file?" |
| 201 | then |
| 202 | rm -f "${SYSCONFDIR}/sshd_config" |
| 203 | if [ -f "${SYSCONFDIR}/sshd_config" ] |
| 204 | then |
| 205 | echo "Can't overwrite. ${SYSCONFDIR}/sshd_config is write protected." |
| 206 | fi |
| 207 | fi |
| 208 | fi |
| 209 | |
| 210 | # Create default sshd_config from here script |
| 211 | |
| 212 | if [ ! -f "${SYSCONFDIR}/sshd_config" ] |
| 213 | then |
| 214 | echo "Creating default ${SYSCONFDIR}/sshd_config file" |
| 215 | cat > ${SYSCONFDIR}/sshd_config << EOF |
| 216 | # This is ssh server systemwide configuration file. |
| 217 | |
| 218 | Port 22 |
| 219 | #Protocol 2,1 |
| 220 | ListenAddress 0.0.0.0 |
| 221 | #ListenAddress :: |
| 222 | #HostKey /etc/ssh_host_key |
| 223 | ServerKeyBits 768 |
| 224 | LoginGraceTime 600 |
| 225 | KeyRegenerationInterval 3600 |
| 226 | PermitRootLogin yes |
| 227 | # |
| 228 | # Don't read ~/.rhosts and ~/.shosts files |
| 229 | IgnoreRhosts yes |
| 230 | # Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication |
| 231 | #IgnoreUserKnownHosts yes |
| 232 | StrictModes yes |
| 233 | X11Forwarding no |
| 234 | X11DisplayOffset 10 |
| 235 | PrintMotd yes |
| 236 | KeepAlive yes |
| 237 | |
| 238 | # Logging |
| 239 | SyslogFacility AUTH |
| 240 | LogLevel INFO |
| 241 | #obsoletes QuietMode and FascistLogging |
| 242 | |
| 243 | RhostsAuthentication no |
| 244 | # |
| 245 | # For this to work you will also need host keys in /etc/ssh_known_hosts |
| 246 | RhostsRSAAuthentication no |
| 247 | |
| 248 | # To install for logon to different user accounts change to "no" here |
| 249 | RSAAuthentication yes |
| 250 | |
| 251 | # To install for logon to different user accounts change to "yes" here |
| 252 | PasswordAuthentication no |
| 253 | |
| 254 | PermitEmptyPasswords no |
| 255 | |
| 256 | CheckMail no |
| 257 | UseLogin no |
| 258 | |
| 259 | #Uncomment if you want to enable sftp |
| 260 | #Subsystem sftp /usr/sbin/sftp-server |
| 261 | #MaxStartups 10:30:60 |
| 262 | EOF |
| 263 | fi |
| 264 | |
| 265 | # Ask user if user identity should be generated |
| 266 | |
| 267 | if [ "X${HOME}" = "X" ] |
| 268 | then |
| 269 | echo '$HOME is nonexistant. Cannot create user identity files.' |
| 270 | exit 1 |
| 271 | fi |
| 272 | |
| 273 | if [ ! -d "${HOME}" ] |
| 274 | then |
| 275 | echo '$HOME is not a valid directory. Cannot create user identity files.' |
| 276 | exit 1 |
| 277 | fi |
| 278 | |
| 279 | # If HOME is the root dir, set HOME to empty string to avoid error messages |
| 280 | # in subsequent parts of that script. |
| 281 | if [ "X${HOME}" = "X/" ] |
| 282 | then |
| 283 | HOME='' |
| 284 | fi |
| 285 | |
| 286 | if [ -e "${HOME}/.ssh" -a ! -d "${HOME}/.ssh" ] |
| 287 | then |
| 288 | echo '$HOME/.ssh is existant but not a directory. Cannot create user identity files.' |
| 289 | exit 1 |
| 290 | fi |
| 291 | |
| 292 | if [ ! -e "${HOME}/.ssh" ] |
| 293 | then |
| 294 | mkdir "${HOME}/.ssh" |
| 295 | if [ ! -e "${HOME}/.ssh" ] |
| 296 | then |
| 297 | echo "Creating users ${HOME}/.ssh directory failed" |
| 298 | exit 1 |
| 299 | fi |
| 300 | fi |
| 301 | |
| 302 | if [ ! -f "${HOME}/.ssh/identity" ] |
| 303 | then |
| 304 | if request "Shall I create an RSA identity file for you?" |
| 305 | then |
| 306 | echo "Generating ${HOME}/.ssh/identity" |
| 307 | ssh-keygen -f "${HOME}/.ssh/identity" |
| 308 | fi |
| 309 | fi |
| 310 | |
| 311 | if [ ! -f "${HOME}/.ssh/id_dsa" ] |
| 312 | then |
| 313 | if request "Shall I create an DSA identity file for you? (yes/no) " |
| 314 | then |
| 315 | echo "Generating ${HOME}/.ssh/id_dsa" |
| 316 | ssh-keygen -d -f "${HOME}/.ssh/id_dsa" |
| 317 | fi |
| 318 | fi |
| 319 | |
| 320 | echo |
| 321 | echo "Note: If you have used sshd as service or from inetd, don't forget to" |
| 322 | echo " change the path to sshd.exe in the service entry or in inetd.conf." |
| 323 | echo |
| 324 | echo "Configuration finished. Have fun!" |