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