functions.sh 7.9 KB

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  1. #!/bin/sh
  2. # Copyright (C) 2006-2014 OpenWrt.org
  3. # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
  4. # Copyright (C) 2010 Vertical Communications
  5. debug () {
  6. ${DEBUG:-:} "$@"
  7. }
  8. # newline
  9. N="
  10. "
  11. _C=0
  12. NO_EXPORT=1
  13. LOAD_STATE=1
  14. LIST_SEP=" "
  15. append() {
  16. local var="$1"
  17. local value="$2"
  18. local sep="${3:- }"
  19. eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
  20. }
  21. list_contains() {
  22. local var="$1"
  23. local str="$2"
  24. local val
  25. eval "val=\" \${$var} \""
  26. [ "${val%% $str *}" != "$val" ]
  27. }
  28. config_load() {
  29. [ -n "$IPKG_INSTROOT" ] && return 0
  30. uci_load "$@"
  31. }
  32. reset_cb() {
  33. config_cb() { return 0; }
  34. option_cb() { return 0; }
  35. list_cb() { return 0; }
  36. }
  37. reset_cb
  38. package() {
  39. return 0
  40. }
  41. config () {
  42. local cfgtype="$1"
  43. local name="$2"
  44. export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
  45. name="${name:-cfg$CONFIG_NUM_SECTIONS}"
  46. append CONFIG_SECTIONS "$name"
  47. [ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
  48. export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
  49. export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
  50. }
  51. option () {
  52. local varname="$1"; shift
  53. local value="$*"
  54. export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
  55. [ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
  56. }
  57. list() {
  58. local varname="$1"; shift
  59. local value="$*"
  60. local len
  61. config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
  62. [ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
  63. len=$(($len + 1))
  64. config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
  65. config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
  66. append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
  67. list_cb "$varname" "$*"
  68. }
  69. config_unset() {
  70. config_set "$1" "$2" ""
  71. }
  72. # config_get <variable> <section> <option> [<default>]
  73. # config_get <section> <option>
  74. config_get() {
  75. case "$3" in
  76. "") eval echo "\${CONFIG_${1}_${2}:-\${4}}";;
  77. *) eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";;
  78. esac
  79. }
  80. # config_get_bool <variable> <section> <option> [<default>]
  81. config_get_bool() {
  82. local _tmp
  83. config_get _tmp "$2" "$3" "$4"
  84. case "$_tmp" in
  85. 1|on|true|yes|enabled) _tmp=1;;
  86. 0|off|false|no|disabled) _tmp=0;;
  87. *) _tmp="$4";;
  88. esac
  89. export ${NO_EXPORT:+-n} "$1=$_tmp"
  90. }
  91. config_set() {
  92. local section="$1"
  93. local option="$2"
  94. local value="$3"
  95. local old_section="$CONFIG_SECTION"
  96. CONFIG_SECTION="$section"
  97. option "$option" "$value"
  98. CONFIG_SECTION="$old_section"
  99. }
  100. config_foreach() {
  101. local ___function="$1"
  102. [ "$#" -ge 1 ] && shift
  103. local ___type="$1"
  104. [ "$#" -ge 1 ] && shift
  105. local section cfgtype
  106. [ -z "$CONFIG_SECTIONS" ] && return 0
  107. for section in ${CONFIG_SECTIONS}; do
  108. config_get cfgtype "$section" TYPE
  109. [ -n "$___type" -a "x$cfgtype" != "x$___type" ] && continue
  110. eval "$___function \"\$section\" \"\$@\""
  111. done
  112. }
  113. config_list_foreach() {
  114. [ "$#" -ge 3 ] || return 0
  115. local section="$1"; shift
  116. local option="$1"; shift
  117. local function="$1"; shift
  118. local val
  119. local len
  120. local c=1
  121. config_get len "${section}" "${option}_LENGTH"
  122. [ -z "$len" ] && return 0
  123. while [ $c -le "$len" ]; do
  124. config_get val "${section}" "${option}_ITEM$c"
  125. eval "$function \"\$val\" \"\$@\""
  126. c="$(($c + 1))"
  127. done
  128. }
  129. insert_modules() {
  130. for m in $*; do
  131. if [ -f /etc/modules.d/$m ]; then
  132. sed 's/^[^#]/insmod &/' /etc/modules.d/$m | ash 2>&- || :
  133. else
  134. modprobe $m
  135. fi
  136. done
  137. }
  138. default_prerm() {
  139. local root="${IPKG_INSTROOT}"
  140. local name
  141. name=$(basename ${1%.*})
  142. [ -f "$root/usr/lib/opkg/info/${name}.prerm-pkg" ] && . "$root/usr/lib/opkg/info/${name}.prerm-pkg"
  143. local shell="$(which bash)"
  144. for i in `cat "$root/usr/lib/opkg/info/${name}.list" | grep "^/etc/init.d/"`; do
  145. if [ -n "$root" ]; then
  146. ${shell:-/bin/sh} "$root/etc/rc.common" "$root$i" disable
  147. else
  148. if [ "$PKG_UPGRADE" != "1" ]; then
  149. "$i" disable
  150. fi
  151. "$i" stop || /bin/true
  152. fi
  153. done
  154. }
  155. add_group_and_user() {
  156. local pkgname="$1"
  157. local rusers="$(sed -ne 's/^Require-User: *//p' $root/usr/lib/opkg/info/${pkgname}.control 2>/dev/null)"
  158. if [ -n "$rusers" ]; then
  159. local tuple oIFS="$IFS"
  160. for tuple in $rusers; do
  161. local uid gid uname gname
  162. IFS=":"
  163. set -- $tuple; uname="$1"; gname="$2"
  164. IFS="="
  165. set -- $uname; uname="$1"; uid="$2"
  166. set -- $gname; gname="$1"; gid="$2"
  167. IFS="$oIFS"
  168. if [ -n "$gname" ] && [ -n "$gid" ]; then
  169. group_exists "$gname" || group_add "$gname" "$gid"
  170. elif [ -n "$gname" ]; then
  171. group_add_next "$gname"; gid=$?
  172. fi
  173. if [ -n "$uname" ]; then
  174. user_exists "$uname" || user_add "$uname" "$uid" "$gid"
  175. fi
  176. if [ -n "$uname" ] && [ -n "$gname" ]; then
  177. group_add_user "$gname" "$uname"
  178. fi
  179. unset uid gid uname gname
  180. done
  181. fi
  182. }
  183. default_postinst() {
  184. local root="${IPKG_INSTROOT}"
  185. local pkgname="$(basename ${1%.*})"
  186. local ret=0
  187. add_group_and_user "${pkgname}"
  188. if [ -f "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" ]; then
  189. ( . "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" )
  190. ret=$?
  191. fi
  192. if [ -d "$root/rootfs-overlay" ]; then
  193. cp -R $root/rootfs-overlay/. $root/
  194. rm -fR $root/rootfs-overlay/
  195. fi
  196. if [ -z "$root" ] && grep -q -s "^/etc/uci-defaults/" "/usr/lib/opkg/info/${pkgname}.list"; then
  197. . /lib/functions/system.sh
  198. [ -d /tmp/.uci ] || mkdir -p /tmp/.uci
  199. for i in $(sed -ne 's!^/etc/uci-defaults/!!p' "/usr/lib/opkg/info/${pkgname}.list"); do (
  200. cd /etc/uci-defaults
  201. [ -f "$i" ] && . ./"$i" && rm -f "$i"
  202. ) done
  203. uci commit
  204. fi
  205. [ -n "$root" ] || rm -f /tmp/luci-indexcache 2>/dev/null
  206. local shell="$(which bash)"
  207. for i in $(grep -s "^/etc/init.d/" "$root/usr/lib/opkg/info/${pkgname}.list"); do
  208. if [ -n "$root" ]; then
  209. ${shell:-/bin/sh} "$root/etc/rc.common" "$root$i" enable
  210. else
  211. if [ "$PKG_UPGRADE" != "1" ]; then
  212. "$i" enable
  213. fi
  214. "$i" start
  215. fi
  216. done
  217. return $ret
  218. }
  219. include() {
  220. local file
  221. for file in $(ls $1/*.sh 2>/dev/null); do
  222. . $file
  223. done
  224. }
  225. find_mtd_index() {
  226. local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
  227. local INDEX="${PART##mtd}"
  228. echo ${INDEX}
  229. }
  230. find_mtd_part() {
  231. local INDEX=$(find_mtd_index "$1")
  232. local PREFIX=/dev/mtdblock
  233. [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
  234. echo "${INDEX:+$PREFIX$INDEX}"
  235. }
  236. group_add() {
  237. local name="$1"
  238. local gid="$2"
  239. local rc
  240. [ -f "${IPKG_INSTROOT}/etc/group" ] || return 1
  241. [ -n "$IPKG_INSTROOT" ] || lock /var/lock/group
  242. echo "${name}:x:${gid}:" >> ${IPKG_INSTROOT}/etc/group
  243. rc=$?
  244. [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group
  245. return $rc
  246. }
  247. group_exists() {
  248. grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group
  249. }
  250. group_add_next() {
  251. local gid gids
  252. gid=$(grep -s "^${1}:" ${IPKG_INSTROOT}/etc/group | cut -d: -f3)
  253. [ -n "$gid" ] && return $gid
  254. gids=$(cat ${IPKG_INSTROOT}/etc/group | cut -d: -f3)
  255. gid=100
  256. while [ -n "$(echo $gids | grep $gid)" ] ; do
  257. gid=$((gid + 1))
  258. done
  259. group_add $1 $gid
  260. return $gid
  261. }
  262. group_add_user() {
  263. local grp delim=","
  264. grp=$(grep -s "^${1}:" ${IPKG_INSTROOT}/etc/group)
  265. [ -z "$(echo $grp | cut -d: -f4 | grep $2)" ] || return
  266. [ -n "$(echo $grp | grep ":$")" ] && delim=""
  267. [ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
  268. sed -i "s/$grp/$grp$delim$2/g" ${IPKG_INSTROOT}/etc/group
  269. [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
  270. }
  271. user_add() {
  272. local name="${1}"
  273. local uid="${2}"
  274. local gid="${3}"
  275. local desc="${4:-$1}"
  276. local home="${5:-/var/run/$1}"
  277. local shell="${6:-/bin/false}"
  278. local rc
  279. [ -z "$uid" ] && {
  280. uids=$(cat ${IPKG_INSTROOT}/etc/passwd | cut -d: -f3)
  281. uid=100
  282. while [ -n "$(echo $uids | grep $uid)" ] ; do
  283. uid=$((uid + 1))
  284. done
  285. }
  286. [ -z "$gid" ] && gid=$uid
  287. [ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1
  288. [ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
  289. echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd
  290. echo "${name}:x:0:0:99999:7:::" >> ${IPKG_INSTROOT}/etc/shadow
  291. rc=$?
  292. [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
  293. return $rc
  294. }
  295. user_exists() {
  296. grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
  297. }
  298. [ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh