#!/bin/sh . /lib/functions.sh # initialize defaults RAMFS_COPY_BIN="" # extra programs for temporary ramfs root RAMFS_COPY_DATA="" # extra data files export INTERACTIVE=0 export VERBOSE=1 export SAVE_CONFIG=1 export SAVE_OVERLAY=0 export DELAY= export CONF_IMAGE= export CONF_BACKUP= export CONF_RESTORE= export NEED_IMAGE= export HELP=0 export FORCE=0 # parse options while [ -n "$1" ]; do case "$1" in -i) export INTERACTIVE=1;; -d) export DELAY="$2"; shift;; -v) export VERBOSE="$(($VERBOSE + 1))";; -q) export VERBOSE="$(($VERBOSE - 1))";; -n) export SAVE_CONFIG=0;; -c) export SAVE_OVERLAY=1;; -b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;; -r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;; -f) export CONF_IMAGE="$2"; shift;; -F|--force) export FORCE=1;; -h|--help) export HELP=1; break;; -*) echo "Invalid option: $1" exit 1 ;; *) break;; esac shift; done export CONFFILES=/tmp/sysupgrade.conffiles export CONF_TAR=/tmp/sysupgrade.tgz export ARGV="$*" export ARGC="$#" [ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && { cat <...] $0 [-q] [-i] upgrade-option: -d add a delay before rebooting -f restore configuration from .tar.gz (file or url) -i interactive mode -c attempt to preserve all changed files in /etc/ -n do not save configuration over reflash -F | --force Flash image even if image checks fail, this is dangerous! -q less verbose -v more verbose -h | --help display this help backup-command: -b | --create-backup create .tar.gz of files specified in sysupgrade.conf then exit. Does not flash an image. If file is '-', i.e. stdout, verbosity is set to 0 (i.e. quiet). -r | --restore-backup restore a .tar.gz created with sysupgrade -b then exit. Does not flash an image. If file is '-', the archive is read from stdin. EOF exit 1 } [ -n "$ARGV" -a -n "$NEED_IMAGE" ] && { cat <<-EOF -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade. Do not specify both -b|-r and a firmware image. EOF exit 1 } # prevent messages from clobbering the tarball when using stdout [ "$CONF_BACKUP" = "-" ] && export VERBOSE=0 add_uci_conffiles() { local file="$1" ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \ /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \ -type f 2>/dev/null; opkg list-changed-conffiles ) | sort -u > "$file" return 0 } add_overlayfiles() { local file="$1" find /overlay/etc/ -type f | sed \ -e 's,^/overlay/,/,' \ -e '\,/META_[a-zA-Z0-9]*$,d' \ -e '\,/functions.sh$,d' \ -e '\,/[^/]*-opkg$,d' \ > "$file" return 0 } # hooks sysupgrade_image_check="platform_check_image" [ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \ sysupgrade_init_conffiles="add_uci_conffiles" || \ sysupgrade_init_conffiles="add_overlayfiles" include /lib/upgrade do_save_conffiles() { local conf_tar="${1:-$CONF_TAR}" [ -z "$(rootfs_type)" ] && { echo "Cannot save config while running from ramdisk." ask_bool 0 "Abort" && exit return 0 } run_hooks "$CONFFILES" $sysupgrade_init_conffiles ask_bool 0 "Edit config file list" && vi "$CONFFILES" v "Saving config files..." [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V="" tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null } if [ -n "$CONF_BACKUP" ]; then do_save_conffiles "$CONF_BACKUP" exit $? fi if [ -f "$CONF_RESTORE" ] || [ "$CONF_RESTORE" = "-" ]; then [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V="" tar -C / -x${TAR_V}zf "$CONF_RESTORE" exit $? fi type platform_check_image >/dev/null 2>/dev/null || { echo "Firmware upgrade is not implemented for this platform." exit 1 } for check in $sysupgrade_image_check; do ( eval "$check \"\$ARGV\"" ) || { if [ $FORCE -eq 1 ]; then echo "Image check '$check' failed but --force given - will update anyway!" break else echo "Image check '$check' failed." exit 1 fi } done if [ -n "$CONF_IMAGE" ]; then case "$(get_magic_word $CONF_IMAGE cat)" in # .gz files 1f8b) ;; *) echo "Invalid config file. Please use only .tar.gz files" exit 1 ;; esac get_image "$CONF_IMAGE" "cat" > "$CONF_TAR" export SAVE_CONFIG=1 elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then do_save_conffiles export SAVE_CONFIG=1 else export SAVE_CONFIG=0 fi run_hooks "" $sysupgrade_pre_upgrade kill_remaining TERM sleep 3 kill_remaining KILL if [ -n "$(rootfs_type)" ]; then v "Switching to ramdisk..." run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade' else do_upgrade fi 2' href='#n42'>42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346