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         if [ -f /sbin/detectcd ]; then
  62             if $GREP -q -i 'LENOVO-EasyStartup' /sbin/detectcd; then
  63                 echo 'easystartup'; return
  64             fi
  65         fi
  66
  67         echo 'rhel6'; return
  68
  69     # rhel7/CentOS7/rhel8/CentOS8 and all other distributions based on them
  70     elif $GREP -q 'el[78]' /proc/version; then
  71         echo 'rhel7'; return
  72
  73     # Maybe rhel9 rhel1x use the same way? Who knows!
  74     elif $EGREP -q 'el9|el1[0-9]' /proc/version; then
  75         echo 'rhel7'; return
  76
  77     # Fedora : do the same process with rhel7
  78     elif $GREP -q '\.fc[0-9][0-9]\.' /proc/version; then
  79         echo 'rhel7'; return
  80
  81     # Debian :
  82     elif $GREP -q '[Dd]ebian' /proc/version; then
  83         echo 'debian'; return
  84
  85     # Ubuntu : do the same process with debian
  86     elif $GREP -q '[Uu]buntu' /proc/version; then
  87         echo 'debian'; return
  88
  89     # Deepin : do the same process with debian
  90     elif $GREP -q '[Dd]eepin' /proc/version; then
  91         echo 'debian'; return
  92
  93     # SUSE
  94     elif $GREP -q 'SUSE' /proc/version; then
  95         echo 'suse'; return
  96
  97     # ArchLinux
  98     elif $EGREP -q 'archlinux|ARCH' /proc/version; then
  99         echo 'arch'; return
 100
 101     # kiosk
 102     elif $EGREP -q 'kiosk' /proc/version; then
 103         echo 'kiosk'; return
 104
 105     # gentoo
 106     elif $EGREP -q '[Gg]entoo' /proc/version; then
 107         if $GREP -q 'daphile' /proc/version; then
 108             echo 'daphile'; return
 109         fi
 110
 111         echo 'gentoo'; return
 112
 113     # TinyCore
 114     elif $EGREP -q 'tinycore' /proc/version; then
 115         echo 'tinycore'; return
 116
 117     # manjaro
 118     elif $EGREP -q 'manjaro|MANJARO' /proc/version; then
 119         echo 'manjaro'; return
 120
 121     # mageia
 122     elif $EGREP -q 'mageia' /proc/version; then
 123         echo 'mageia'; return
 124
 125     # pclinux OS
 126     elif $GREP -i -q 'PCLinuxOS' /proc/version; then
 127         echo 'pclos'; return
 128
 129     # KaOS
 130     elif $GREP -i -q 'kaos' /proc/version; then
 131         echo 'kaos'; return
 132
 133     # Alpine
 134     elif $GREP -q 'Alpine' /proc/version; then
 135         echo 'alpine'; return
 136
 137     elif $GREP -i -q 'PhoenixOS' /proc/version; then
 138         echo 'phoenixos'; return
 139
 140     # NixOS
 141     elif $GREP -i -q 'NixOS' /proc/version; then
 142         echo 'nixos'; return
 143
 144
 145     fi
 146
 147     if [ -e /lib/debian-installer ]; then
 148         echo 'debian'; return
 149     fi
 150
 151     if [ -e /etc/os-release ]; then
 152         if $GREP -q 'XenServer' /etc/os-release; then
 153             echo 'xen'; return
 154         elif $GREP -q 'SUSE ' /etc/os-release; then
 155             echo 'suse'; return
 156         elif $GREP -q 'uruk' /etc/os-release; then
 157             echo 'debian'; return
 158         elif $GREP -q 'Solus' /etc/os-release; then
 159             echo 'rhel7'; return
 160         elif $GREP -q 'openEuler' /etc/os-release; then
 161             echo 'openEuler'; return
 162         elif $GREP -q 'fuyu' /etc/os-release; then
 163             echo 'openEuler'; return
 164         fi
 165     fi
 166
 167     if $BUSYBOX_PATH/dmesg | $GREP -q -m1 "Xen:"; then
 168         echo 'xen'; return
 169     fi
 170
 171
 172     if [ -e /etc/HOSTNAME ] && $GREP -i -q 'slackware' /etc/HOSTNAME; then
 173         echo 'slackware'; return
 174     fi
 175
 176     if [ -e /init ]; then
 177         if $GREP -i -q zeroshell /init; then
 178             echo 'zeroshell'; return
 179         fi
 180     fi
 181
 182     if $EGREP -q 'ALT ' /proc/version; then
 183         echo 'alt'; return
 184     fi
 185
 186     if $EGREP -q 'porteus' /proc/version; then
 187         echo 'debian'; return
 188     fi
 189
 190     if $GREP -q 'Clear Linux ' /proc/version; then
 191         echo 'clear'; return
 192     fi
 193
 194     if $GREP -q 'artix' /proc/version; then
 195         echo 'arch'; return
 196     fi
 197
 198     if $GREP -q 'berry ' /proc/version; then
 199         echo 'berry'; return
 200     fi
 201
 202     if $GREP -q 'Gobo ' /proc/version; then
 203         echo 'gobo'; return
 204     fi
 205
 206     if $GREP -q 'NuTyX' /proc/version; then
 207         echo 'nutyx'; return
 208     fi
 209
 210     if [ -d /gnu ]; then
 211         vtLineNum=$($FIND /gnu/ -name guix | $BUSYBOX_PATH/wc -l)
 212         if [ $vtLineNum -gt 0 ]; then
 213             echo 'guix'; return
 214         fi
 215     fi
 216
 217     if $GREP -q 'android.x86' /proc/version; then
 218         echo 'android'; return
 219     fi
 220
 221     if $GREP -q 'adelielinux' /proc/version; then
 222         echo 'adelie'; return
 223     fi
 224
 225     if $GREP -q 'pmagic' /proc/version; then
 226         echo 'pmagic'; return
 227     fi
 228
 229     if $GREP -q 'CDlinux' /proc/cmdline; then
 230         echo 'cdlinux'; return
 231     fi
 232
 233     if $GREP -q 'parabola' /proc/version; then
 234         echo 'parabola'; return
 235     fi
 236
 237     if $GREP -q 'cucumber' /proc/version; then
 238         echo 'cucumber'; return
 239     fi
 240
 241     if $GREP -q 'fatdog' /proc/version; then
 242         echo 'fatdog'; return
 243     fi
 244
 245     if $GREP -q 'KWORT' /proc/version; then
 246         echo 'kwort'; return
 247     fi
 248
 249     if $GREP -q 'iwamoto' /proc/version; then
 250         echo 'vine'; return
 251     fi
 252
 253     if $GREP -q 'hyperbola' /proc/cmdline; then
 254         echo 'hyperbola'; return
 255     fi
 256
 257     if $GREP -q 'CRUX' /proc/version; then
 258         echo 'crux'; return
 259     fi
 260
 261     if [ -f /init ]; then
 262         if $GREP -q 'AryaLinux' /init; then
 263             echo 'aryalinux'; return
 264         elif $GREP -q 'Dragora' /init; then
 265             echo 'dragora'; return
 266
 267         fi
 268     fi
 269
 270     if $GREP -q 'slackware' /proc/version; then
 271         echo 'slackware'; return
 272     fi
 273
 274     if $BUSYBOX_PATH/hostname | $GREP -q 'smoothwall'; then
 275         echo 'smoothwall'; return
 276     fi
 277
 278     if $GREP -q 'photon' /proc/version; then
 279         echo 'photon'; return
 280     fi
 281
 282     if $GREP -q 'ploplinux' /proc/version; then
 283         echo 'ploplinux'; return
 284     fi
 285
 286     if $GREP -q 'lunar' /proc/version; then
 287         echo 'lunar'; return
 288     fi
 289
 290     if $GREP -q 'SMGL-' /proc/version; then
 291         echo 'smgl'; return
 292     fi
 293
 294     if $GREP -q 'rancher' /proc/version; then
 295         echo 'rancher'; return
 296     fi
 297
 298
 299     if [ -e /init ]; then
 300         if $GREP -q -m1 'T2 SDE' /init; then
 301             echo 't2'; return
 302         fi
 303     fi
 304
 305     if $GREP -q 'wifislax' /proc/version; then
 306         echo 'wifislax'; return
 307     fi
 308
 309     if $GREP -q 'pisilinux' /proc/version; then
 310         echo 'pisilinux'; return
 311     fi
 312
 313     if $GREP -q 'blackPanther' /proc/version; then
 314         echo 'blackPanther'; return
 315     fi
 316
 317     if $GREP -q 'primeos' /proc/version; then
 318         echo 'primeos'; return
 319     fi
 320
 321     if $GREP -q 'austrumi' /proc/version; then
 322         echo 'austrumi'; return
 323     fi
 324
 325     if [ -f /DISTRO_SPECS ]; then
 326         if $GREP -q '[Pp]uppy' /DISTRO_SPECS; then
 327             echo 'debian'; return
 328         elif $GREP -q 'veket' /DISTRO_SPECS; then
 329             echo 'debian'; return
 330         fi
 331     fi
 332
 333     if [ -f /etc/openEuler-release ]; then
 334         echo "openEuler"; return
 335     fi
 336
 337     echo "default"
 338 }
 339
 340 VTOS=$(ventoy_get_os_type)
 341 echo "OS=###${VTOS}###" >>$VTLOG
 342 if [ -e "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh" ]; then
 343     $BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh"
 344 fi
 345
 346
 347 ####################################################################
 348 #                                                                  #
 349 # Step 3 : Check for debug break                                   #
 350 #                                                                  #
 351 ####################################################################
 352 if [ "$VTOY_BREAK_LEVEL" = "03" ] || [ "$VTOY_BREAK_LEVEL" = "13" ]; then
 353     $SLEEP 5
 354     echo -e "\n\n\033[32m ################################################# \033[0m"
 355     echo -e "\033[32m ################ VENTOY DEBUG ################### \033[0m"
 356     echo -e "\033[32m ################################################# \033[0m \n"
 357     if [ "$VTOY_BREAK_LEVEL" = "13" ]; then
 358         $CAT $VTOY_PATH/log
 359     fi
 360     exec $BUSYBOX_PATH/sh
 361 fi
 362
 363
 364 ####################################################################
 365 #                                                                  #
 366 # Step 4 : Hand over to real init                                  #
 367 #                                                                  #
 368 ####################################################################
 369 $BUSYBOX_PATH/umount /proc
 370 if [ "$rmproc" = "Y" ]; then
 371     $BUSYBOX_PATH/rm -rf /proc
 372 fi
 373
 374 if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
 375     export PERSISTENT='YES'
 376     export PERSISTENCE='true'
 377 fi
 378
 379 cd /
 380
 381 unset VTLOG FIND GREP EGREP CAT AWK SED SLEEP HEAD vtcmdline
 382
 383 for vtinit in $user_rdinit /init /sbin/init /linuxrc; do
 384     if [ -d /ventoy_rdroot ]; then
 385         if [ -e "/ventoy_rdroot$vtinit" ]; then
 386             # switch_root will check /init file, this is a cheat code
 387             echo 'switch_root' > /init
 388             exec $BUSYBOX_PATH/switch_root /ventoy_rdroot "$vtinit"
 389         fi
 390     else
 391         if [ -e "$vtinit" ];then
 392             if [ -f "$VTOY_PATH/hook/$VTOS/ventoy-before-init.sh" ]; then
 393                 $BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-before-init.sh"
 394             fi
 395             exec "$vtinit"
 396         fi
 397     fi
 398 done
 399
 400 # Should never reach here
 401 echo -e "\n\n\033[31m ############ INIT NOT FOUND ############### \033[0m \n"
 402 exec $BUSYBOX_PATH/sh