| 1 | #! /bin/sh
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| 2 |
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| 3 | #
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| 4 | # Copyright Rainer Wichmann (2006)
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| 5 | #
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| 6 | # License Information:
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| 7 | # This program is free software; you can redistribute it and/or modify
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| 8 | # it under the terms of the GNU General Public License as published by
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| 9 | # the Free Software Foundation; either version 2 of the License, or
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| 10 | # (at your option) any later version.
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| 11 | #
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| 12 | # This program is distributed in the hope that it will be useful,
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | # GNU General Public License for more details.
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| 16 | #
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| 17 | # You should have received a copy of the GNU General Public License
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| 18 | # along with this program; if not, write to the Free Software
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| 19 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 20 | #
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| 21 |
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| 22 | BUILDOPTS="--quiet $TRUST --enable-xml-log --enable-suidcheck --prefix=$PW_DIR --localstatedir=$PW_DIR --with-config-file=$RCFILE --with-log-file=$LOGFILE --with-pid-file=$PW_DIR/.samhain_lock --with-data-file=$PW_DIR/.samhain_file"
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| 23 | export BUILDOPTS
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| 24 |
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| 25 | MAXTEST=7; export MAXTEST
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| 26 |
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| 27 | ## Quarantine SUID/SGID files if found
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| 28 | #
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| 29 | # SuidCheckQuarantineFiles = yes
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| 30 |
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| 31 | ## Method for Quarantining files:
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| 32 | # 0 - Delete or truncate the file.
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| 33 | # 1 - Remove SUID/SGID permissions from file.
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| 34 | # 2 - Move SUID/SGID file to quarantine dir.
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| 35 | #
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| 36 | # SuidCheckQuarantineMethod = 0
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| 37 |
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| 38 | ## For method 0 and 2, really delete instead of truncating
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| 39 | #
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| 40 | # SuidCheckQuarantineDelete = yes
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| 41 |
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| 42 | SUIDPOLICY_7="
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| 43 | [ReadOnly]
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| 44 | file=${BASE}
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| 45 | [SuidCheck]
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| 46 | SuidCheckActive = yes
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| 47 | SuidCheckExclude = ${BASE}/a/a
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| 48 | SuidCheckInterval = 10
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| 49 | SeveritySuidCheck = crit
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| 50 | SuidCheckQuarantineFiles = no
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| 51 | SuidCheckQuarantineMethod = 2
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| 52 | SuidCheckQuarantineDelete = yes
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| 53 | "
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| 54 |
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| 55 | mod_suiddata_7 () {
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| 56 | one_sec_sleep
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| 57 | chmod 4444 "${BASE}/a/a/y"
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| 58 | chmod 4444 "${BASE}/a/a/a/y"
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| 59 | mkdir "${BASE}/a/abc"
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| 60 | touch "${BASE}/a/abc/y"
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| 61 | chmod 4444 "${BASE}/a/abc/y"
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| 62 | }
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| 63 |
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| 64 | chk_suiddata_7 () {
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| 65 | one_sec_sleep
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| 66 | tmp=`ls -l "${BASE}/a/a/y" 2>/dev/null | awk '{ print $1}'`
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| 67 | if [ "x$tmp" = "x-r-Sr--r--" ]; then
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| 68 | egrep "CRIT.*POLICY \[SuidCheck\].*${BASE}/a/a/y" $LOGFILE >/dev/null 2>&1
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| 69 | if [ $? -eq 0 ]; then
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| 70 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y";
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| 71 | return 1
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| 72 | fi
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| 73 | egrep "CRIT.*POLICY ADDED.*${BASE}/a/a/y" $LOGFILE >/dev/null 2>&1
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| 74 | if [ $? -eq 0 ]; then
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| 75 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y";
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| 76 | return 1
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| 77 | fi
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| 78 | else
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| 79 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y (suid not kept)";
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| 80 | return 1
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| 81 | fi
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| 82 | tmp=`ls -l "${BASE}/a/a/a/y" 2>/dev/null | awk '{ print $1}'`
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| 83 | if [ "x$tmp" = "x-r-Sr--r--" ]; then
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| 84 | egrep "CRIT.*POLICY \[SuidCheck\].*${BASE}/a/a/a/y" $LOGFILE >/dev/null 2>&1
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| 85 | if [ $? -eq 0 ]; then
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| 86 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/a/y";
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| 87 | return 1
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| 88 | fi
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| 89 | egrep "CRIT.*POLICY ADDED.*${BASE}/a/a/a/y" $LOGFILE >/dev/null 2>&1
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| 90 | if [ $? -eq 0 ]; then
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| 91 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/a/y";
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| 92 | return 1
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| 93 | fi
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| 94 | else
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| 95 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/a/y (suid not kept)";
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| 96 | return 1
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| 97 | fi
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| 98 | tmp=`ls -l "${BASE}/a/abc/y" 2>/dev/null | awk '{ print $1}'`
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| 99 | if [ "x$tmp" = "x-r-Sr--r--" ]; then
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| 100 | egrep "CRIT.*POLICY \[SuidCheck\].*${BASE}/a/abc/y" $LOGFILE >/dev/null 2>&1
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| 101 | if [ $? -ne 0 ]; then
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| 102 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/abc/y";
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| 103 | return 1
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| 104 | fi
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| 105 | egrep "CRIT.*POLICY ADDED.*${BASE}/a/abc/y" $LOGFILE >/dev/null 2>&1
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| 106 | if [ $? -ne 0 ]; then
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| 107 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/abc/y";
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| 108 | return 1
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| 109 | fi
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| 110 | return 0;
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| 111 | else
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| 112 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/abc/y (suid not kept)";
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| 113 | return 1
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| 114 | fi
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| 115 | }
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| 116 |
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| 117 |
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| 118 | SUIDPOLICY_6="
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| 119 | [ReadOnly]
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| 120 | file=${BASE}
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| 121 | [SuidCheck]
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| 122 | SuidCheckActive = yes
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| 123 | SuidCheckInterval = 10
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| 124 | SeveritySuidCheck = crit
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| 125 | SuidCheckQuarantineFiles = no
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| 126 | SuidCheckQuarantineMethod = 2
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| 127 | SuidCheckQuarantineDelete = yes
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| 128 | "
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| 129 |
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| 130 | mod_suiddata_6 () {
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| 131 | one_sec_sleep
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| 132 | chmod 4755 "${BASE}/a/a/y"
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| 133 | }
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| 134 |
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| 135 | chk_suiddata_6 () {
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| 136 | one_sec_sleep
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| 137 | tmp=`ls -l "${BASE}/a/a/y" 2>/dev/null | awk '{ print $1}'`
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| 138 | if [ "x$tmp" = "x-rwsr-xr-x" ]; then
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| 139 | egrep "CRIT.*POLICY \[SuidCheck\].*${BASE}/a/a/y" $LOGFILE >/dev/null 2>&1
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| 140 | if [ $? -ne 0 ]; then
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| 141 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y";
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| 142 | return 1
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| 143 | fi
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| 144 | egrep "CRIT.*POLICY ADDED.*${BASE}/a/a/y" $LOGFILE >/dev/null 2>&1
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| 145 | if [ $? -ne 0 ]; then
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| 146 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y";
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| 147 | return 1
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| 148 | fi
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| 149 | return 0;
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| 150 | else
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| 151 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y (suid not kept)";
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| 152 | return 1
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| 153 | fi
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| 154 | }
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| 155 |
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| 156 | SUIDPOLICY_5="
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| 157 | [ReadOnly]
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| 158 | file=${BASE}
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| 159 | [SuidCheck]
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| 160 | SuidCheckActive = yes
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| 161 | SuidCheckInterval = 10
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| 162 | SeveritySuidCheck = crit
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| 163 | SuidCheckQuarantineFiles = yes
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| 164 | SuidCheckQuarantineMethod = 2
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| 165 | SuidCheckQuarantineDelete = yes
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| 166 | "
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| 167 |
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| 168 | mod_suiddata_5 () {
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| 169 | one_sec_sleep
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| 170 | chmod 4755 "${BASE}/a/a/y"
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| 171 | }
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| 172 |
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| 173 | chk_suiddata_5 () {
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| 174 | one_sec_sleep
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| 175 | if [ ! -f "${BASE}/a/a/x" ]; then
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| 176 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/x (erroneously deleted)";
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| 177 | return 1
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| 178 | fi
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| 179 | if [ -f "${BASE}/a/a/y" ]; then
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| 180 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y (not deleted)";
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| 181 | return 1
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| 182 | fi
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| 183 | if [ -f .quarantine/y ]; then
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| 184 | if [ -f .quarantine/y.info ]; then
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| 185 | return 0;
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| 186 | else
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| 187 | [ -z "$verbose" ] || log_msg_fail ".quarantine/y.info (missing)";
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| 188 | return 1
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| 189 | fi
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| 190 | else
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| 191 | [ -z "$verbose" ] || log_msg_fail ".quarantine/y (missing)";
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| 192 | return 1
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| 193 | fi
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| 194 | }
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| 195 |
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| 196 | SUIDPOLICY_4="
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| 197 | [ReadOnly]
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| 198 | file=${BASE}
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| 199 | [SuidCheck]
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| 200 | SuidCheckActive = yes
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| 201 | SuidCheckInterval = 10
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| 202 | SeveritySuidCheck = crit
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| 203 | SuidCheckQuarantineFiles = yes
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| 204 | SuidCheckQuarantineMethod = 2
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| 205 | SuidCheckQuarantineDelete = no
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| 206 | "
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| 207 |
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| 208 | mod_suiddata_4 () {
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| 209 | one_sec_sleep
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| 210 | chmod 4755 "${BASE}/a/a/y"
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| 211 | }
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| 212 |
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| 213 | chk_suiddata_4 () {
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| 214 | one_sec_sleep
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| 215 | tmp=`cat "${BASE}/a/a/y" 2>/dev/null | wc -c`
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| 216 | if [ $tmp -ne 0 ]; then
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| 217 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y (not truncated)";
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| 218 | return 1
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| 219 | fi
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| 220 | if [ -f .quarantine/y ]; then
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| 221 | if [ -f .quarantine/y.info ]; then
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| 222 | return 0;
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| 223 | else
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| 224 | [ -z "$verbose" ] || log_msg_fail ".quarantine/y.info (missing)";
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| 225 | return 1
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| 226 | fi
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| 227 | else
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| 228 | [ -z "$verbose" ] || log_msg_fail ".quarantine/y (missing)";
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| 229 | return 1
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| 230 | fi
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| 231 | }
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| 232 |
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| 233 | SUIDPOLICY_3="
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| 234 | [ReadOnly]
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| 235 | file=${BASE}
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| 236 | [SuidCheck]
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| 237 | SuidCheckActive = yes
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| 238 | SuidCheckInterval = 10
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| 239 | SeveritySuidCheck = crit
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| 240 | SuidCheckQuarantineFiles = yes
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| 241 | SuidCheckQuarantineMethod = 1
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| 242 | SuidCheckQuarantineDelete = no
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| 243 | "
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| 244 |
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| 245 | mod_suiddata_3 () {
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| 246 | one_sec_sleep
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| 247 | chmod 4755 "${BASE}/a/a/y"
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| 248 | }
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| 249 |
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| 250 | chk_suiddata_3 () {
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| 251 | one_sec_sleep
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| 252 | tmp=`ls -l "${BASE}/a/a/y" 2>/dev/null | awk '{ print $1}'`
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| 253 | if [ "x$tmp" = "x-rwxr-xr-x" ]; then
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| 254 | return 0;
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| 255 | else
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| 256 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y (suid not removed)";
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| 257 | return 1
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| 258 | fi
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| 259 | }
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| 260 |
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| 261 | SUIDPOLICY_2="
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| 262 | [ReadOnly]
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| 263 | file=${BASE}
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| 264 | [SuidCheck]
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| 265 | SuidCheckActive = yes
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| 266 | SuidCheckInterval = 10
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| 267 | SeveritySuidCheck = crit
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| 268 | SuidCheckQuarantineFiles = yes
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| 269 | SuidCheckQuarantineMethod = 0
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| 270 | SuidCheckQuarantineDelete = no
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| 271 | "
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| 272 |
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| 273 | mod_suiddata_2 () {
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| 274 | one_sec_sleep
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| 275 | chmod 4755 "${BASE}/a/a/y"
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| 276 | }
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| 277 |
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| 278 | chk_suiddata_2 () {
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| 279 | one_sec_sleep
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| 280 | tmp=`cat "${BASE}/a/a/y" 2>/dev/null | wc -c`
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| 281 | if [ $tmp -ne 0 ]; then
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| 282 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y (not truncated)";
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| 283 | return 1
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| 284 | fi
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| 285 | }
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| 286 |
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| 287 | SUIDPOLICY_1="
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| 288 | [ReadOnly]
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| 289 | file=${BASE}
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| 290 | [SuidCheck]
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| 291 | SuidCheckActive = yes
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| 292 | SuidCheckInterval = 10
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| 293 | SeveritySuidCheck = crit
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| 294 | SuidCheckQuarantineFiles = yes
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| 295 | SuidCheckQuarantineMethod = 0
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| 296 | SuidCheckQuarantineDelete = yes
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| 297 | "
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| 298 |
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| 299 | mod_suiddata_1 () {
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| 300 | one_sec_sleep
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| 301 | chmod 4755 "${BASE}/a/a/y"
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| 302 | }
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| 303 |
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| 304 | chk_suiddata_1 () {
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| 305 | one_sec_sleep
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| 306 | if [ -f "${BASE}/a/a/y" ]; then
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| 307 | [ -z "$verbose" ] || log_msg_fail "${BASE}/a/a/y (not removed)";
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| 308 | return 1
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| 309 | fi
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| 310 | }
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| 311 |
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| 312 | prep_suidpolicy ()
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| 313 | {
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| 314 | test -f "${RCFILE}" || touch "${RCFILE}"
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| 315 | eval echo '"$'"SUIDPOLICY_$1"'"' >>"${RCFILE}"
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| 316 | if [ "x$1" = "x5" ]; then
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| 317 | chmod 4755 "${BASE}/a/a/x"
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| 318 | fi
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| 319 | }
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| 320 |
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| 321 | testrun_internal_1c ()
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| 322 | {
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| 323 | [ -z "$verbose" ] || echo Working directory: $PW_DIR
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| 324 | [ -z "$verbose" ] || { echo MAKE is $MAKE; echo; }
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| 325 |
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| 326 | #
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| 327 | # test standalone compilation
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| 328 | #
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| 329 | [ -z "$verbose" ] || { echo; echo "${S}Building standalone agent${E}"; echo; }
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| 330 |
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| 331 | if test -r "Makefile"; then
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| 332 | $MAKE distclean >/dev/null
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| 333 | fi
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| 334 |
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| 335 | ${TOP_SRCDIR}/configure ${BUILDOPTS}
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| 336 |
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| 337 | #
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| 338 | if test x$? = x0; then
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| 339 | [ -z "$verbose" ] || log_msg_ok "configure...";
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| 340 | $MAKE 'DBGDEF=-DSH_SUIDTESTDIR=\"${BASE}\"' >/dev/null 2>&1
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| 341 | if test x$? = x0; then
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| 342 | [ -z "$verbose" ] || log_msg_ok "make...";
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| 343 | else
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| 344 | [ -z "$quiet" ] && log_msg_fail "make...";
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| 345 | return 1
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| 346 | fi
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| 347 |
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| 348 | else
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| 349 | [ -z "$quiet" ] && log_msg_fail "configure...";
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| 350 | return 1
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| 351 | fi
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| 352 |
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| 353 | [ -z "$verbose" ] || { echo; echo "${S}Running test suite${E}"; echo; }
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| 354 |
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| 355 | tcount=1
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| 356 | POLICY=`eval echo '"$'"SUIDPOLICY_$tcount"'"'`
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| 357 |
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| 358 | until [ -z "$POLICY" ]
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| 359 | do
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| 360 | prep_init
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| 361 | check_err $? ${tcount}; errval=$?
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| 362 | if [ $errval -eq 0 ]; then
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| 363 | prep_testdata
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| 364 | check_err $? ${tcount}; errval=$?
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| 365 | fi
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| 366 | if [ $errval -eq 0 ]; then
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| 367 | prep_suidpolicy ${tcount}
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| 368 | check_err $? ${tcount}; errval=$?
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| 369 | fi
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| 370 | if [ $errval -eq 0 ]; then
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| 371 | run_init
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| 372 | check_err $? ${tcount}; errval=$?
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| 373 | fi
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| 374 | if [ $errval -eq 0 ]; then
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| 375 | eval mod_suiddata_${tcount}
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| 376 | check_err $? ${tcount}; errval=$?
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| 377 | fi
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| 378 | if [ $errval -eq 0 ]; then
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| 379 | run_check
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| 380 | check_err $? ${tcount}; errval=$?
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| 381 | fi
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| 382 | if [ $errval -eq 0 ]; then
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| 383 | eval chk_suiddata_${tcount}
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| 384 | check_err $? ${tcount}; errval=$?
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| 385 | fi
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| 386 | if [ $testrun1_setup -eq 0 ]; then
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| 387 | if [ $errval -eq 0 ]; then
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| 388 | run_update
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| 389 | check_err $? ${tcount}; errval=$?
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| 390 | fi
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| 391 | if [ $errval -eq 0 ]; then
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| 392 | run_check_after_update
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| 393 | check_err $? ${tcount}; errval=$?
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| 394 | fi
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| 395 | fi
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| 396 | #
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| 397 | if [ $errval -eq 0 ]; then
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| 398 | [ -z "$quiet" ] && log_ok ${tcount} ${MAXTEST};
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| 399 | fi
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| 400 | let "tcount = tcount + 1" >/dev/null
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| 401 | POLICY=`eval echo '"$'"SUIDPOLICY_$tcount"'"'`
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| 402 | done
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| 403 |
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| 404 | return 0
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| 405 | }
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| 406 |
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| 407 | testrun1c ()
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| 408 | {
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| 409 | log_start "RUN STANDALONE W/SUIDCHK"
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| 410 | testrun_internal_1c
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| 411 | log_end "RUN STANDALONE W/SUIDCHK"
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| 412 | return 0
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| 413 | }
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| 414 |
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