IMG/cpio/ventoy/ventoy_chain.sh

   1 #!/ventoy/busybox/sh
   2 #************************************************************************************
   3 # Copyright (c) 2020, longpanda <admin@ventoy.net>
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation; either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #************************************************************************************
  19
  20 ####################################################################
  21 #                                                                  #
  22 # Step 1 : Parse kernel parameter                                  #
  23 #                                                                  #
  24 ####################################################################
  25 if ! [ -e /proc ]; then
  26     $BUSYBOX_PATH/mkdir /proc
  27     rmproc='Y'
  28 fi
  29 $BUSYBOX_PATH/mount -t proc proc /proc
  30
  31 # vtinit=xxx to replace rdinit=xxx
  32 vtcmdline=$($CAT /proc/cmdline)
  33 for i in $vtcmdline; do
  34     if echo $i | $GREP -q vtinit; then
  35         user_rdinit=${i#vtinit=}
  36         echo "user set user_rdinit=${user_rdinit}" >>$VTLOG
  37     fi
  38 done
  39
  40 ####################################################################
  41 #                                                                  #
  42 # Step 2 : Do OS specific hook                                     #
  43 #                                                                  #
  44 ####################################################################
  45 ventoy_get_os_type() {
  46     echo "kernel version" >> $VTLOG
  47     $CAT /proc/version >> $VTLOG
  48
  49     if [ -d /twres ]; then
  50         if $GREP -q 'Phoenix' /init; then
  51             echo 'phoenixos'; return
  52         fi
  53     fi
  54
  55     # rhel5/CentOS5 and all other distributions based on them
  56     if $GREP -q 'el5' /proc/version; then
  57         echo 'rhel5'; return
  58
  59     # rhel6/CentOS6 and all other distributions based on them
  60     elif $GREP -q 'el6' /proc/version; then
  61         echo 'rhel6'; return
  62
  63     # rhel7/CentOS7/rhel8/CentOS8 and all other distributions based on them
  64     elif $GREP -q 'el[78]' /proc/version; then
  65         echo 'rhel7'; return
  66
  67     # Maybe rhel9 rhel1x use the same way? Who knows!
  68     elif $EGREP -q 'el9|el1[0-9]' /proc/version; then
  69         echo 'rhel7'; return
  70
  71     # Fedora : do the same process with rhel7
  72     elif $GREP -q '\.fc[0-9][0-9]\.' /proc/version; then
  73         echo 'rhel7'; return
  74
  75     # Debian :
  76     elif $GREP -q '[Dd]ebian' /proc/version; then
  77         echo 'debian'; return
  78
  79     # Ubuntu : do the same process with debian
  80     elif $GREP -q '[Uu]buntu' /proc/version; then
  81         echo 'debian'; return
  82
  83     # Deepin : do the same process with debian
  84     elif $GREP -q '[Dd]eepin' /proc/version; then
  85         echo 'debian'; return
  86
  87     # SUSE
  88     elif $GREP -q 'SUSE' /proc/version; then
  89         echo 'suse'; return
  90
  91     # ArchLinux
  92     elif $EGREP -q 'archlinux|ARCH' /proc/version; then
  93         echo 'arch'; return
  94
  95     # kiosk
  96     elif $EGREP -q 'kiosk' /proc/version; then
  97         echo 'kiosk'; return
  98
  99     # gentoo
 100     elif $EGREP -q '[Gg]entoo' /proc/version; then
 101         if $GREP -q 'daphile' /proc/version; then
 102             echo 'daphile'; return
 103         fi
 104
 105         echo 'gentoo'; return
 106
 107     # TinyCore
 108     elif $EGREP -q 'tinycore' /proc/version; then
 109         echo 'tinycore'; return
 110
 111     # manjaro
 112     elif $EGREP -q 'manjaro|MANJARO' /proc/version; then
 113         echo 'manjaro'; return
 114
 115     # mageia
 116     elif $EGREP -q 'mageia' /proc/version; then
 117         echo 'mageia'; return
 118
 119     # pclinux OS
 120     elif $GREP -i -q 'PCLinuxOS' /proc/version; then
 121         echo 'pclos'; return
 122
 123     # KaOS
 124     elif $GREP -i -q 'kaos' /proc/version; then
 125         echo 'kaos'; return
 126
 127     # Alpine
 128     elif $GREP -q 'Alpine' /proc/version; then
 129         echo 'alpine'; return
 130
 131     elif $GREP -i -q 'PhoenixOS' /proc/version; then
 132         echo 'phoenixos'; return
 133
 134     # NixOS
 135     elif $GREP -i -q 'NixOS' /proc/version; then
 136         echo 'nixos'; return
 137
 138
 139     fi
 140
 141     if [ -e /lib/debian-installer ]; then
 142         echo 'debian'; return
 143     fi
 144
 145     if [ -e /etc/os-release ]; then
 146         if $GREP -q 'XenServer' /etc/os-release; then
 147             echo 'xen'; return
 148         elif $GREP -q 'SUSE ' /etc/os-release; then
 149             echo 'suse'; return
 150         elif $GREP -q 'uruk' /etc/os-release; then
 151             echo 'debian'; return
 152         elif $GREP -q 'Solus' /etc/os-release; then
 153             echo 'rhel7'; return
 154         elif $GREP -q 'openEuler' /etc/os-release; then
 155             echo 'openEuler'; return
 156         elif $GREP -q 'fuyu' /etc/os-release; then
 157             echo 'openEuler'; return
 158         fi
 159
 160     fi
 161
 162     if $BUSYBOX_PATH/dmesg | $GREP -q -m1 "Xen:"; then
 163         echo 'xen'; return
 164     fi
 165
 166
 167     if [ -e /etc/HOSTNAME ] && $GREP -i -q 'slackware' /etc/HOSTNAME; then
 168         echo 'slackware'; return
 169     fi
 170
 171     if [ -e /init ]; then
 172         if $GREP -i -q zeroshell /init; then
 173             echo 'zeroshell'; return
 174         fi
 175     fi
 176
 177     if $EGREP -q 'ALT ' /proc/version; then
 178         echo 'alt'; return
 179     fi
 180
 181     if $EGREP -q 'porteus' /proc/version; then
 182         echo 'debian'; return
 183     fi
 184
 185     if $GREP -q 'Clear Linux ' /proc/version; then
 186         echo 'clear'; return
 187     fi
 188
 189     if $GREP -q 'artix' /proc/version; then
 190         echo 'arch'; return
 191     fi
 192
 193     if $GREP -q 'berry ' /proc/version; then
 194         echo 'berry'; return
 195     fi
 196
 197     if $GREP -q 'Gobo ' /proc/version; then
 198         echo 'gobo'; return
 199     fi
 200
 201     if $GREP -q 'NuTyX' /proc/version; then
 202         echo 'nutyx'; return
 203     fi
 204
 205     if [ -d /gnu ]; then
 206         vtLineNum=$($FIND /gnu/ -name guix | $BUSYBOX_PATH/wc -l)
 207         if [ $vtLineNum -gt 0 ]; then
 208             echo 'guix'; return
 209         fi
 210     fi
 211
 212     if $GREP -q 'android.x86' /proc/version; then
 213         echo 'android'; return
 214     fi
 215
 216     if $GREP -q 'adelielinux' /proc/version; then
 217         echo 'adelie'; return
 218     fi
 219
 220     if $GREP -q 'pmagic' /proc/version; then
 221         echo 'pmagic'; return
 222     fi
 223
 224     if $GREP -q 'CDlinux' /proc/cmdline; then
 225         echo 'cdlinux'; return
 226     fi
 227
 228     if $GREP -q 'parabola' /proc/version; then
 229         echo 'parabola'; return
 230     fi
 231
 232     if $GREP -q 'cucumber' /proc/version; then
 233         echo 'cucumber'; return
 234     fi
 235
 236     if $GREP -q 'fatdog' /proc/version; then
 237         echo 'fatdog'; return
 238     fi
 239
 240     if $GREP -q 'KWORT' /proc/version; then
 241         echo 'kwort'; return
 242     fi
 243
 244     if $GREP -q 'iwamoto' /proc/version; then
 245         echo 'vine'; return
 246     fi
 247
 248     if $GREP -q 'hyperbola' /proc/cmdline; then
 249         echo 'hyperbola'; return
 250     fi
 251
 252     if $GREP -q 'CRUX' /proc/version; then
 253         echo 'crux'; return
 254     fi
 255
 256     if [ -f /init ]; then
 257         if $GREP -q 'AryaLinux' /init; then
 258             echo 'aryalinux'; return
 259         elif $GREP -q 'Dragora' /init; then
 260             echo 'dragora'; return
 261
 262         fi
 263     fi
 264
 265     if $GREP -q 'slackware' /proc/version; then
 266         echo 'slackware'; return
 267     fi
 268
 269     if $BUSYBOX_PATH/hostname | $GREP -q 'smoothwall'; then
 270         echo 'smoothwall'; return
 271     fi
 272
 273     if $GREP -q 'photon' /proc/version; then
 274         echo 'photon'; return
 275     fi
 276
 277     if $GREP -q 'ploplinux' /proc/version; then
 278         echo 'ploplinux'; return
 279     fi
 280
 281     if $GREP -q 'lunar' /proc/version; then
 282         echo 'lunar'; return
 283     fi
 284
 285     if $GREP -q 'SMGL-' /proc/version; then
 286         echo 'smgl'; return
 287     fi
 288
 289     if $GREP -q 'rancher' /proc/version; then
 290         echo 'rancher'; return
 291     fi
 292
 293
 294     if [ -e /init ]; then
 295         if $GREP -q -m1 'T2 SDE' /init; then
 296             echo 't2'; return
 297         fi
 298     fi
 299
 300     if $GREP -q 'wifislax' /proc/version; then
 301         echo 'wifislax'; return
 302     fi
 303
 304     if $GREP -q 'pisilinux' /proc/version; then
 305         echo 'pisilinux'; return
 306     fi
 307
 308     if $GREP -q 'blackPanther' /proc/version; then
 309         echo 'blackPanther'; return
 310     fi
 311
 312     if $GREP -q 'primeos' /proc/version; then
 313         echo 'primeos'; return
 314     fi
 315
 316     if $GREP -q 'austrumi' /proc/version; then
 317         echo 'austrumi'; return
 318     fi
 319
 320     if [ -f /DISTRO_SPECS ]; then
 321         if $GREP -q '[Pp]uppy' /DISTRO_SPECS; then
 322             echo 'debian'; return
 323         elif $GREP -q 'veket' /DISTRO_SPECS; then
 324             echo 'debian'; return
 325         fi
 326     fi
 327
 328     if [ -f /etc/openEuler-release ]; then
 329         echo "openEuler"; return
 330     fi
 331
 332     echo "default"
 333 }
 334
 335 VTOS=$(ventoy_get_os_type)
 336 echo "OS=###${VTOS}###" >>$VTLOG
 337 if [ -e "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh" ]; then
 338     $BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh"
 339 fi
 340
 341
 342 ####################################################################
 343 #                                                                  #
 344 # Step 3 : Check for debug break                                   #
 345 #                                                                  #
 346 ####################################################################
 347 if [ "$VTOY_BREAK_LEVEL" = "03" ] || [ "$VTOY_BREAK_LEVEL" = "13" ]; then
 348     $SLEEP 5
 349     echo -e "\n\n\033[32m ################################################# \033[0m"
 350     echo -e "\033[32m ################ VENTOY DEBUG ################### \033[0m"
 351     echo -e "\033[32m ################################################# \033[0m \n"
 352     if [ "$VTOY_BREAK_LEVEL" = "13" ]; then
 353         $CAT $VTOY_PATH/log
 354     fi
 355     exec $BUSYBOX_PATH/sh
 356 fi
 357
 358
 359 ####################################################################
 360 #                                                                  #
 361 # Step 4 : Hand over to real init                                  #
 362 #                                                                  #
 363 ####################################################################
 364 $BUSYBOX_PATH/umount /proc
 365 if [ "$rmproc" = "Y" ]; then
 366     $BUSYBOX_PATH/rm -rf /proc
 367 fi
 368
 369 if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
 370     export PERSISTENT='YES'
 371     export PERSISTENCE='true'
 372 fi
 373
 374 cd /
 375
 376 unset VTLOG FIND GREP EGREP CAT AWK SED SLEEP HEAD vtcmdline
 377
 378 for vtinit in $user_rdinit /init /sbin/init /linuxrc; do
 379     if [ -d /ventoy_rdroot ]; then
 380         if [ -e "/ventoy_rdroot$vtinit" ]; then
 381             # switch_root will check /init file, this is a cheat code
 382             echo 'switch_root' > /init
 383             exec $BUSYBOX_PATH/switch_root /ventoy_rdroot "$vtinit"
 384         fi
 385     else
 386         if [ -e "$vtinit" ];then
 387             if [ -f "$VTOY_PATH/hook/$VTOS/ventoy-before-init.sh" ]; then
 388                 $BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-before-init.sh"
 389             fi
 390             exec "$vtinit"
 391         fi
 392     fi
 393 done
 394
 395 # Should never reach here
 396 echo -e "\n\n\033[31m ############ INIT NOT FOUND ############### \033[0m \n"
 397 exec $BUSYBOX_PATH/sh