Last change
on this file since 3762 was 3621, checked in by Bruno Cornec, 8 years ago |
New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
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Property svn:executable
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*
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File size:
1.3 KB
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Rev | Line | |
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[3621] | 1 | #!/bin/sh
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| 2 | # Make list of configuration variables regarding suid handling
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| 3 |
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| 4 | # input $1: full path to autoconf.h
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| 5 | # input $2: full path to applets.h
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| 6 | # input $3: full path to .config
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| 7 | # output (stdout): list of CONFIG_ that do or may require suid
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| 8 |
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| 9 | # If the environment variable SUID is not set or set to DROP,
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| 10 | # lists all config options that do not require suid permissions.
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| 11 | # Otherwise, lists all config options for applets that DO or MAY require
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| 12 | # suid permissions.
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| 13 |
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| 14 | # Maintainer: Bernhard Reutner-Fischer
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| 15 |
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| 16 | export LC_ALL=POSIX
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| 17 | export LC_CTYPE=POSIX
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| 18 |
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| 19 | CONFIG_H=${1:-include/autoconf.h}
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| 20 | APPLETS_H=${2:-include/applets.h}
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| 21 | DOT_CONFIG=${3:-.config}
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| 22 |
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| 23 | case ${SUID:-DROP} in
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| 24 | [dD][rR][oO][pP]) USE="DROP" ;;
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| 25 | *) USE="suid" ;;
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| 26 | esac
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| 27 |
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| 28 | $HOSTCC -E -DMAKE_SUID -include $CONFIG_H $APPLETS_H |
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| 29 | awk -v USE=${USE} '
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| 30 | /^SUID[ \t]/{
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| 31 | if (USE == "DROP") {
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| 32 | if ($2 != "BB_SUID_DROP") next
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| 33 | } else {
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| 34 | if ($2 == "BB_SUID_DROP") next
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| 35 | }
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| 36 | cfg = $NF
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| 37 | gsub("\"", "", cfg)
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| 38 | cfg = substr(cfg, 8)
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| 39 | s[i++] = "CONFIG_" cfg
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| 40 | s[i++] = "CONFIG_FEATURE_" cfg "_.*"
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| 41 | }
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| 42 | END{
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| 43 | while (getline < ARGV[2]) {
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| 44 | for (j in s) {
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| 45 | if ($0 ~ "^" s[j] "=y$") {
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| 46 | sub(/=.*/, "")
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| 47 | print
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| 48 | if (s[j] !~ /\*$/) delete s[j] # can drop this applet now
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| 49 | }
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| 50 | }
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| 51 | }
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| 52 | }
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| 53 | ' - $DOT_CONFIG
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| 54 |
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