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annotate usr/src/lib/brand/solaris10/zone/s10_boot.ksh @ 12016:0248e987199b

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PSARC 2009/306 Brussels II - ipadm and libipadm PSARC 2010/080 Brussels II addendum 6827318 Brussels Phase II aka ipadm(1m) 6731945 need BSD getifaddrs() API 6909065 explicitly disallow non-contiguous netmasks in the next minor release 6853922 ifconfig dumps core when ether address is non-hexadecimal. 6815806 ipReasmTimeout value should be variable 6567083 nd_getset has some dead and confusing code. 6884466 remove unused tcp/sctp ndd tunables 6928813 Comments at odds with default value of tcp_time_wait_interval 6236982 ifconfig usesrc lets adapter use itself as source address 6936855 modifying the ip6_strict_src_multihoming to non-zero value will unbind V4 IREs
author Girish Moodalbail <Girish.Moodalbail@Sun.COM>
date Fri, 26 Mar 2010 17:53:11 -0400
parents b4d868bae9bd
children 5259ac7d9677
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7933
6a8cc62fe2a1 6409860 sn1 brand should use elfexec()
Edward Pilatowicz <Edward.Pilatowicz@Sun.COM>
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1 #!/bin/ksh -p
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2 #
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3 # CDDL HEADER START
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4 #
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5 # The contents of this file are subject to the terms of the
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6 # Common Development and Distribution License (the "License").
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7 # You may not use this file except in compliance with the License.
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8 #
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9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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10 # or http://www.opensolaris.org/os/licensing.
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11 # See the License for the specific language governing permissions
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12 # and limitations under the License.
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13 #
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14 # When distributing Covered Code, include this CDDL HEADER in each
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15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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16 # If applicable, add the following below this CDDL HEADER, with the
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17 # fields enclosed by brackets "[]" replaced with your own identifying
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18 # information: Portions Copyright [yyyy] [name of copyright owner]
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19 #
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20 # CDDL HEADER END
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21 #
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22 #
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0248e987199b PSARC 2009/306 Brussels II - ipadm and libipadm
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23 # Copyright 2010 Sun Microsystems, Inc. All rights reserved.
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24 # Use is subject to license terms.
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25 #
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26 # s10 boot script.
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27 #
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28 # The arguments to this script are the zone name and the zonepath.
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29 #
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30
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31 . /usr/lib/brand/solaris10/common.ksh
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32
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33 ZONENAME=$1
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34 ZONEPATH=$2
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35 ZONEROOT=$ZONEPATH/root
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36
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37 arch=`uname -p`
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38 if [ "$arch" = "i386" ]; then
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39 ARCH32=i86
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40 ARCH64=amd64
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41 elif [ "$arch" = "sparc" ]; then
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42 # 32-bit SPARC not supported!
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43 ARCH32=
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44 ARCH64=sparcv9
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45 else
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46 echo "Unsupported architecture: $arch"
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47 exit 2
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48 fi
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49
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50 #
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51 # Run the s10_support boot hook.
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52 #
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53 /usr/lib/brand/solaris10/s10_support boot $ZONENAME
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54 if (( $? != 0 )) ; then
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55 exit 1
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56 fi
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57
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58 BRANDDIR=/.SUNWnative/usr/lib/brand/solaris10;
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59 FILEDIR=$BRANDDIR/files;
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60 EXIT_CODE=1
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61
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62 #
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63 # Replace the specified file in the booting zone with a wrapper script that
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64 # invokes s10_isaexec_wrapper. This is a convenience function that reduces
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65 # clutter and code duplication.
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66 #
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67 # Parameters:
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68 # $1 The full path of the file to replace (e.g., /sbin/ifconfig)
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69 # $2 The access mode of the replacement file in hex (e.g., 0555)
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70 # $3 The name of the replacement file's owner (e.g., root:bin)
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71 #
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72 # NOTE: The checks performed in the 'if' statement below are not generic: they
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73 # depend on the success of the zone filesystem structure validation performed
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74 # above to ensure that intermediate directories exist and aren't symlinks.
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75 #
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76 replace_with_native() {
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77 path_dname=$ZONEROOT/`dirname $1`
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78 if [ ! -h $path_dname -a -d $path_dname ]; then
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79 safe_replace $ZONEROOT/$1 $BRANDDIR/s10_isaexec_wrapper $2 $3 \
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80 remove
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81 fi
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82 }
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83
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84 wrap_with_native() {
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85 safe_wrap $ZONEROOT/$1 $BRANDDIR/s10_isaexec_wrapper $2 $3
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86 }
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87
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88 #
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89 # Before we boot we validate and fix, if necessary, the required files within
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90 # the zone. These modifications can be lost if a patch is applied within the
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91 # zone, so we validate and fix the zone every time it boots.
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92 #
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93
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94 #
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95 # BINARY REPLACEMENT
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96 #
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97 # This section of the boot script is responsible for replacing Solaris 10
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98 # binaries within the booting zone with Nevada binaries. This is a two-step
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99 # process: First, the directory structure of the zone is validated to ensure
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100 # that binary replacement will proceed safely. Second, Solaris 10 binaries
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101 # are replaced with Nevada binaries.
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102 #
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103 # Here's an example. Suppose that you want to replace /usr/bin/zcat with the
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104 # Nevada /usr/bin/zcat binary. Then you should do the following:
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105 #
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106 # 1. Go to the section below labeled "STEP ONE" and add the following
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107 # two lines:
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108 #
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109 # safe_dir /usr
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110 # safe_dir /usr/bin
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111 #
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112 # These lines ensure that both /usr and /usr/bin are directories
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113 # within the booting zone that can be safely accessed by the global
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114 # zone.
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115 # 2. Go to the section below labeled "STEP TWO" and add the following
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116 # line:
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117 #
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118 # replace_with_native /usr/bin/zcat 0555 root:bin
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119 #
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120 # Details about the binary replacement procedure can be found in the Solaris 10
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121 # Containers Developer Guide.
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122 #
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123
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124 #
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125 # STEP ONE
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126 #
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127 # Validate that the zone filesystem looks like we expect it to.
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128 #
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129 safe_dir /usr
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130 safe_dir /usr/lib
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131 safe_dir /usr/bin
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132 safe_dir /usr/sbin
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133 safe_dir /sbin
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134
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135 #
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136 # STEP TWO
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137 #
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138 # Replace Solaris 10 binaries with Nevada binaries.
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139 #
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140
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141 #
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142 # Replace various network-related programs with native wrappers.
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143 #
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144 replace_with_native /sbin/ifconfig 0555 root:bin
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145
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146 #
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147 # PSARC 2009/306 removed the ND_SET/ND_GET ioctl's for modifying
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148 # IP/TCP/UDP/SCTP/ICMP tunables. If S10 ndd(1M) is used within an
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149 # S10 container, the kernel will return EINVAL. So we need this.
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150 #
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151 replace_with_native /usr/sbin/ndd 0555 root:bin
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152
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153 #
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154 # Replace automount and automountd with native wrappers.
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155 #
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156 if [ ! -h $ZONEROOT/usr/lib/fs/autofs -a -d $ZONEROOT/usr/lib/fs/autofs ]; then
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157 safe_replace $ZONEROOT/usr/lib/fs/autofs/automount \
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158 $BRANDDIR/s10_automount 0555 root:bin remove
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159 fi
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160 if [ ! -h $ZONEROOT/usr/lib/autofs -a -d $ZONEROOT/usr/lib/autofs ]; then
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161 safe_replace $ZONEROOT/usr/lib/autofs/automountd \
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162 $BRANDDIR/s10_automountd 0555 root:bin remove
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163 fi
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164
10840
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165 #
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166 # The class-specific dispadmin(1M) and priocntl(1) binaries must be native
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167 # wrappers, and we must have all of the ones the native zone does. This
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168 # allows new scheduling classes to appear without causing dispadmin and
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169 # priocntl to be unhappy.
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170 #
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171 rm -rf $ZONEROOT/usr/lib/class
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172 mkdir $ZONEROOT/usr/lib/class || exit 1
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173
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174 find /usr/lib/class -type d -o -type f | while read x; do
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175 [ -d $x ] && mkdir -p -m 755 $ZONEROOT$x
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176 [ -f $x ] && wrap_with_native $x 0555 root:bin
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177 done
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178
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179 #
10840
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180 # END OF STEP TWO
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181 #
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182
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183 #
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184 # Replace add_drv and rem_drv with /usr/bin/true so that pkgs/patches which
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185 # install or remove drivers will work. NOTE: add_drv and rem_drv are hard
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186 # linked to isaexec so we want to remove the current executable and
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187 # then copy true so that we don't clobber isaexec.
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188 #
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189 filename=$ZONEROOT/usr/sbin/add_drv
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190 [ ! -f $filename.pre_p2v ] && safe_backup $filename $filename.pre_p2v
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191 rm -f $filename
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192 safe_copy $ZONEROOT/usr/bin/true $filename
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diff changeset
193
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194 filename=$ZONEROOT/usr/sbin/rem_drv
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195 [ ! -f $filename.pre_p2v ] && safe_backup $filename $filename.pre_p2v
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196 rm -f $filename
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197 safe_copy $ZONEROOT/usr/bin/true $filename
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198
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199 exit 0