Last change
on this file since 3839 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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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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