1 | #!/bin/bash |
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2 | # |
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3 | # startup Xpra proxy-server(s) |
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4 | # |
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5 | # Louis Mulder SUE BV Augustus 2020 |
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6 | # |
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7 | # Argument 1 is general script and will be called |
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8 | # as script-name_PORT-NUMBER. Therefor it will |
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9 | # be copied from ${XPRA_TOPDIR_INT}/bin/XXXX to |
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10 | # /var/scripts/XXXX_PORT-NUMBER |
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11 | # Proxy server will use this script by using the |
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12 | # added module (Python) pamexec_auth |
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13 | # |
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14 | |
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15 | EXEC_TIMEOUT=${XPRA_TIMEOUT_SOCKET:-180} |
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16 | EXECW="${1}" |
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17 | export EXECW EXEC_TIMEOUT |
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18 | shift |
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19 | # |
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20 | PROXY_PORT="${SRC_PORT}" |
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21 | export PROXY_PORTS |
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22 | # |
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23 | XPRA_TOPDIR_INT=${XPRA_TOPDIR_INT:-/srv} ; export XPRA_TOPDIR_INT |
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24 | HOSTNAME=`hostname -s` ; export HOSTNAME |
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25 | [ ! -d /var/log/. ] && mkdir -p /var/log/. |
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26 | # |
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27 | if [ -d ${XPRA_TOPDIR_INT}/log/. ] |
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28 | then |
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29 | if [ -d ${XPRA_TOPDIR_INT}/log/${HOSTNAME}/. ] |
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30 | then |
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31 | : |
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32 | else |
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33 | mkdir -p ${XPRA_TOPDIR_INT}/log/${HOSTNAME}/. |
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34 | cd ${XPRA_TOPDIR_INT}/log/${HOSTNAME}/. |
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35 | [ -f /var/xpra/var.tar ] && tar xf /var/xpra/var.tar |
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36 | fi |
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37 | mv /var/log /var/NOT-USED |
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38 | cd /var |
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39 | ln -s ../${XPRA_TOPDIR_INT}/log/${HOSTNAME} log |
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40 | fi |
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41 | |
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42 | exec 2>> /var/log/xpra_stderr.log |
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43 | exec 1>> /var/log/xpra_stdout.log |
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44 | |
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45 | echo "Startup Proxyserver(s) at `date`" |
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46 | echo "#################################" |
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47 | # |
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48 | # do some bind mounts |
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49 | # |
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50 | for dir in `exec 2> /dev/null; ls -A ${XPRA_TOPDIR_INT}/etc/skel/.` |
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51 | do |
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52 | mkdir -p /etc/skel/${dir} |
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53 | mount -o bind,bg ${XPRA_TOPDIR_INT}/etc/skel/${dir} /etc/skel/${dir} |
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54 | done |
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55 | # |
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56 | # |
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57 | if [ "${SRC_PORT}" = '' ] |
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58 | then |
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59 | echo "Missing proxy tcp-port" |
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60 | exit 1 |
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61 | fi |
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62 | EMPTY=/tmp/empty${$} ;export EMPTY |
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63 | mkdir -p ${EMPTY} |
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64 | |
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65 | startup_rc () { |
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66 | for exe in ${XPRA_TOPDIR_INT}/etc/rc1.d/S*.sh |
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67 | do |
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68 | [ -x ${exe} ] && ${exe} |
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69 | done |
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70 | } |
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71 | # |
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72 | shutdown_rc () { |
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73 | for exe in ${XPRA_TOPDIR_INT}/etc/rc1.d/K*.sh |
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74 | do |
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75 | [ -x ${exe} ] && ${exe} |
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76 | done |
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77 | } |
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78 | # |
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79 | trap "[ -d ${EMPTY} ] && rm -rf ${EMPTY};[ -f /run/xpra/Xpra_*.pid] && kill -SIGTERM `cat /run/xpra/Xpra_*.pid`" 2 3 15 |
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80 | # Link (sym) the secrets to the directory ${SSL_CERT} |
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81 | SSL_CERT=${SSL_CERT:-"/etc/xpra/ssl/server.crt"} |
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82 | SUBDIR=`IFS=\. ; set -- ${SSL_CERT}; shift \`expr ${#} - 1 \`; echo ${1}` |
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83 | |
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84 | certfile=`basename ${SSL_CERT}` |
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85 | cd `dirname ${SSL_CERT}` |
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86 | |
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87 | if [ -f ${SUBDIR}/${certfile} ] |
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88 | then |
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89 | LINKNAME=`basename ${SSL_CERT}` |
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90 | [ "${LINKNAME}" != '' -a ! -h "${LINKNAME}" ] && ln -s ${SUBDIR}/${certfile} "${LINKNAME}" |
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91 | fi |
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92 | |
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93 | SSL_KEY=${SSL_KEY:="/etc/xpra/ssl/server.key"} |
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94 | SUBDIR=`IFS=\. ; set -- ${SSL_KEY}; shift \`expr ${#} - 1 \`; echo ${1}` |
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95 | keyfile=`basename ${SSL_KEY}` |
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96 | cd `dirname ${SSL_KEY}` |
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97 | |
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98 | if [ -f ${SUBDIR}/${keyfile} ] |
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99 | then |
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100 | LINKNAME=`basename ${SSL_KEY}` |
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101 | [ "${LINKNAME}" != '' -a ! -h "${LINKNAME}" ] && ln -s ${SUBDIR}/${keyfile} "${LINKNAME}" |
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102 | fi |
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103 | # |
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104 | # |
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105 | #XPRA_KB=`echo "$XPRA_LOCAL" | awk -F"_" '{print $1}'` |
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106 | XPRA_RES=${XPRA_RES:-'5760x3240'} |
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107 | ERR=0 |
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108 | SSL_OPTIONS='' ;export SSL_OPTIONS |
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109 | # |
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110 | XPRA_SOCKET_TIMEOUT=${XPRA_SOCKET_TIMEOUT:-180} ; export XPRA_SOCKET_TIMEOUT |
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111 | XPRA_PING_TIMEOUT=${XPRA_PING_TIMEOUT:-120} ; export XPRA_PING_TIMEOUT |
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112 | # |
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113 | cd /etc |
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114 | rm -f localtime |
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115 | ln -s ../usr/share/zoneinfo/Europe/Amsterdam localtime |
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116 | [ ! -d /etc/pam.d/. ] && mkdir -p /etc/pam.d |
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117 | cp ${XPRA_TOPDIR_INT}/etc/pam.d/xpra /etc/pam.d/. |
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118 | ln -s ..${XPRA_TOPDIR_INT}/etc/xpra-vars.sh . |
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119 | cp ${XPRA_TOPDIR_INT}/bin/check_oath /bin/. |
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120 | chmod 755 /bin/check_oath |
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121 | cp ${XPRA_TOPDIR_INT}/bin/pre-auth.sh /bin/. |
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122 | chmod 755 /bin/pre-auth.sh |
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123 | if [ -d ${XPRA_TOPDIR_INT}/etc/ssh/. ] |
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124 | then |
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125 | (cd ${XPRA_TOPDIR_INT}/etc/ssh/.; tar cf - ssh_host* ) | \ |
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126 | ( [ ! -d /etc/ssh/. ] && mkdir -p /etc/ssh/. ; cd /etc/ssh/. ; tar xf - |
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127 | cd /etc/ssh |
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128 | [ -f sshd_config ] && chmod 600 sshd_config |
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129 | for f in ssh_host_ecdsa_key ssh_host_ed25519_key ssh_host_rsa_key |
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130 | do |
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131 | [ -f ${f} ] && chmod 640 ${f} |
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132 | done |
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133 | GRP=`getent group ssh_keys | sed -e 's/:.*$//'` |
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134 | if [ "${GRP}" != '' ] |
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135 | then |
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136 | for f in ssh_host_ecdsa_key ssh_host_ed25519_key ssh_host_rsa_key |
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137 | do |
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138 | [ -f ${f} ] && chgrp ${GRP} ${f} |
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139 | done |
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140 | fi |
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141 | ) |
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142 | fi |
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143 | if [ -d ${XPRA_TOPDIR_INT}/etc/iptables/. ] |
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144 | then |
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145 | (cd ${XPRA_TOPDIR_INT}/etc/iptables/.; tar cf - . ) | \ |
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146 | ( [ ! -d /etc/iptables/. ] && mkdir -p /etc/iptables/. ; cd /etc/iptables/. ; tar xf -) |
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147 | fi |
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148 | cd |
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149 | # |
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150 | if [ "${SSL}" != '' -a "`echo "${SSL}" | sed 's/./\U&/g'`" = 'ON' ] |
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151 | then |
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152 | if [ "${SSL_CERT}" != '' -a -f ${SSL_CERT} ] |
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153 | then |
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154 | : |
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155 | else |
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156 | ERR=1 |
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157 | fi |
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158 | if [ "${SSL_KEY}" != '' -a -f ${SSL_KEY} ] |
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159 | then |
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160 | : |
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161 | else |
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162 | ERR=`expr ${ERR} + 2` |
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163 | fi |
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164 | |
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165 | if [ "${ERR}" != 0 ] |
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166 | then |
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167 | case ${ERR} in |
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168 | #( |
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169 | 1 ) echo SSL_CERT ${SSL_CERT:-Not in environment} ${SSL_CERT:+${SSL_CERT} file is missing} |
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170 | ;; |
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171 | #( |
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172 | 2 ) echo SSL_KEY ${SSL_KEY:-Not in environment} ${SSL_KEY:+${SSL_KEY} file is missing} |
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173 | ;; |
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174 | #( |
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175 | 3 ) echo "SSL_CERT ${SSL_CERT:-Not in environment} ${SSL_CERT:+${SSL_CERT} file is missing}" |
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176 | echo "SSL_KEY ${SSL_KEY:-Not in environment} ${SSL_KEY:+${SSL_KEY} file is missing}" |
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177 | echo "Variable SSL is on you must also provide de cert and key file" |
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178 | ;; |
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179 | esac |
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180 | exit ${ERR} |
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181 | else |
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182 | SSL_OPTIONS="--ssl=on --ssl-cert=${SSL_CERT} --ssl-key=${SSL_KEY}" |
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183 | fi |
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184 | fi |
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185 | |
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186 | startup_rc |
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187 | |
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188 | cd ${CPWD} |
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189 | |
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190 | mkdir -p /run/user/0/xpra |
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191 | mkdir -p /run/xpra |
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192 | |
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193 | [ -d ${EMPTY}/. ] && rmdir ${EMPTY} |
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194 | |
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195 | unset CPWD |
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196 | # |
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197 | |
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198 | modificate_xpra_distribution () { |
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199 | # |
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200 | # Determine the Xpra version |
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201 | # |
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202 | |
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203 | |
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204 | eval `xpra --version | sed -e 's/-r.*//' -e 's/.* v//' -e 's/\([0-9][0-9]*\).\([0-9][0-9]*\)\(.*\)/MAJOR=\1;MINOR=\2;XPRA_VERSION=\1.\2;export XPRA_VERSION/'` |
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205 | |
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206 | |
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207 | PYTHON_LIST='' |
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208 | export PYTHON_LIST |
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209 | PYTHON_LIST_DONE='' |
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210 | export PYTHON_LIST_DONE |
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211 | |
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212 | for pth in `IFS=':' ; echo ${PATH}` |
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213 | do |
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214 | if cd ${pth} |
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215 | then |
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216 | for i in python* |
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217 | do |
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218 | if [[ ! "${i}" =~ '-qr' ]] |
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219 | then |
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220 | if [ -x ${i} ] |
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221 | then |
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222 | PYTHON_LIST_DONE="${PYTHON_LIST_DONE:+${PYTHON_LIST_DONE} ${i}}" |
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223 | PYTHON_LIST_DONE="${PYTHON_LIST_DONE:-${i}}" |
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224 | if [ -h ${i} ] |
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225 | then |
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226 | EXEC=`basename \`readlink ${i}\`` |
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227 | T_PYTHON_LIST=${i} |
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228 | for pyth in ${PYTHON_LIST} |
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229 | do |
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230 | if [ "${EXEC}" != "${pyth}" ] |
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231 | then |
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232 | T_PYTHON_LIST="${T_PYTHON_LIST:+${T_PYTHON_LIST} ${pyth}}" |
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233 | T_PYTHON_LIST="${T_PYTHON_LIST:-${pyth}}" |
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234 | fi |
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235 | done |
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236 | PYTHON_LIST="${T_PYTHON_LIST}" |
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237 | else |
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238 | if [[ ! "${PYTHON_LIST_DONE}" =~ "${i}" ]] |
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239 | then |
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240 | PYTHON_LIST=${PYTHON_LIST:+${PYTHON_LIST} ${i}} |
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241 | PYTHON_LIST=${PYTHON_LIST:-${i}} |
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242 | fi |
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243 | fi |
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244 | fi |
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245 | fi |
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246 | done |
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247 | cd - 1> /dev/null 2>&1 |
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248 | fi |
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249 | done |
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250 | |
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251 | LIST="${PYTHON_LIST}" |
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252 | PYTHON_LIST=`for i in ${PYTHON_LIST} |
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253 | do |
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254 | echo ${i} |
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255 | done | sort -u` |
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256 | |
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257 | if [ "${MAJOR}" -le 3 ] || [ "${MAJOR}" = 4 -a "${MINOR}" = 0 ] |
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258 | then |
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259 | |
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260 | XPRA_PATH_LIST=`for py in ${PYTHON_LIST} |
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261 | do |
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262 | ${py} <<EOB 2> /dev/null |
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263 | import os.path |
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264 | import site |
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265 | for d in site.getsitepackages(): |
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266 | if os.path.isdir( d + "/xpra" ): |
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267 | print ( d + "/xpra") |
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268 | EOB |
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269 | done | sort -u` |
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270 | |
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271 | for py_file in `find ${XPRA_PATH_LIST} -type f -name server_core.py -print |sort -u` |
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272 | do |
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273 | if grep -i 'global capabilities' < ${py_file} |
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274 | then |
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275 | : |
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276 | else |
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277 | sed -i -e '/def _process_hello/a\' -e ' global capabilities' ${py_file} |
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278 | fi |
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279 | done |
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280 | # |
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281 | for py in ${PYTHON_LIST} |
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282 | do |
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283 | ${py} --version |
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284 | ${py} <<EOB 2> /dev/null |
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285 | import os.path |
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286 | import site |
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287 | for d in site.getsitepackages(): |
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288 | if os.path.isdir( d + "/xpra" ): |
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289 | print ( d + "/xpra") |
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290 | EOB |
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291 | done | while read txt |
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292 | do |
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293 | case ${txt} in |
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294 | #( |
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295 | *[Pp][Yy][Tt][Hh][Oo][Nn]*\ 2* ) PYTHON_VERSION=2 |
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296 | ;; |
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297 | #( |
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298 | *[Pp][Yy][Tt][Hh][Oo][Nn]*\ 3* ) PYTHON_VERSION=3 |
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299 | ;; |
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300 | #( |
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301 | */xpra* ) |
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302 | for dest_distribution in `find ${txt}/server -type d -name auth` |
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303 | do |
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304 | cp ${XPRA_TOPDIR_INT}/xpra-addon/python${PYTHON_VERSION:-2}/* ${dest_distribution}/. |
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305 | done |
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306 | ;; |
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307 | esac |
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308 | done |
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309 | |
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310 | else |
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311 | # |
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312 | # Xpra version 4.1 and up |
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313 | # |
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314 | for py in ${PYTHON_LIST} |
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315 | do |
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316 | ${py} <<EOB 2> /dev/null |
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317 | import os.path |
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318 | import site |
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319 | for d in site.getsitepackages(): |
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320 | if os.path.isdir( d + "/xpra" ): |
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321 | print ( d + "/xpra") |
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322 | EOB |
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323 | done | while read txt |
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324 | do |
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325 | for dest_distribution in `find ${txt}/server -type d -name auth` |
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326 | do |
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327 | cp ${XPRA_TOPDIR_INT}/xpra-addon/python3-xpra-4.1/* ${dest_distribution}/. |
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328 | done |
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329 | done |
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330 | fi |
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331 | } |
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332 | # |
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333 | # |
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334 | |
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335 | PID='' ; export PID |
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336 | |
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337 | modificate_xpra_distribution |
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338 | |
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339 | rm -rf /run/xpra/Xpra_*.pid 2> /dev/null |
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340 | |
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341 | mkdir -p /var/scripts 2> /dev/null |
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342 | |
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343 | if [ "${XPRA_DEMO_USERS}" != '' ] |
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344 | then |
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345 | XPRA_DEMO_USERS=`echo "${XPRA_DEMO_USERS}" | sed -e 's/./\u&/g'` |
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346 | if [ -f ${XPRA_TOPDIR_INT}/etc/demousers-passwd -a "${XPRA_DEMO_USERS}" = 'Y' -a -f ${XPRA_TOPDIR_INT}/etc/demousers-shadow ] |
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347 | then |
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348 | cat ${XPRA_TOPDIR_INT}/etc/demousers-passwd >> /etc/passwd |
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349 | cat ${XPRA_TOPDIR_INT}/etc/demousers-shadow >> /etc/shadow |
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350 | cat ${XPRA_TOPDIR_INT}/etc/demousers-group >> /etc/group |
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351 | sed -i -e '/^$/d' /etc/passwd |
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352 | sed -i -e '/^$/d' /etc/shadow |
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353 | pwconv |
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354 | fi |
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355 | fi |
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356 | # |
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357 | SRC_DIR=`dirname ${EXECW}` |
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358 | EXECUTABLE=`basename ${EXECW} .sh` |
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359 | cp ${EXECW} /var/scripts/${EXECUTABLE} |
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360 | chmod 755 /var/scripts/${EXECUTABLE} |
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361 | |
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362 | cp ${EXECW} /var/scripts/${EXECUTABLE} |
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363 | chmod 755 /var/scripts/${EXECUTABLE} |
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364 | #exec 2> ${XPRA_TOPDIR_INT}/log/${HOSTNAME}/xpra_stderr_0.log |
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365 | #exec 1> ${XPRA_TOPDIR_INT}/log/${HOSTNAME}/xpra_stdout_0.log |
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366 | XPRA_SOCKET_DIR=${XPRA_SOCKET_DIR:-/tmp} |
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367 | XPRA_STATUS_DIR="${XPRA_STATUS_DIR:-/var/xpra}" |
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368 | export XPRA_STATUS_DIR XPRA_SOCKET_DIR |
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369 | xpra proxy :0 --html=on --bind-tcp=0.0.0.0:${SRC_PORT} \ |
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370 | --socket-dir="${XPRA_SOCKET_DIR}" \ |
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371 | --ssl-cert=${SSL_CERT} --ssl-key=${SSL_KEY} --ssl=on \ |
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372 | --challenge-handler=prompt --daemon=yes \ |
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373 | --clipboard=no -d all \ |
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374 | `case ${XPRA_VERSION} in |
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375 | #( |
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376 | 4.[1-9]* ) |
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377 | #echo "--${1}-auth=${2}" "--${1}-auth=${2}" |
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378 | echo --tcp-auth=pam:service=login --tcp-auth=execwargs:command=/srv/bin/start_pod.sh:timeout=900 |
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379 | ;; |
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380 | #( |
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381 | *) |
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382 | IFS=',' |
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383 | set -- ${XPRA_AUTH_METHOD:-'pamexec:service=xpra:command=/srv/bin/start_pod.sh:timeout=900'} |
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384 | if [ "${2}" != '' ] |
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385 | then |
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386 | echo "--${1}-auth=${2}" |
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387 | fi |
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388 | ;; |
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389 | esac ` --pidfile=/run/xpra/Xpra_0.pid \ |
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390 | ${XPRA_PROXY_DEBUG_LOG:+-d all} 2>&1 |\ |
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391 | ( |
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392 | if [ "${XPRA_PROXY_DEBUG_LOG}" != '' ] |
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393 | then |
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394 | exec tee /srv/tmp/debug_proxy_${SRC_PORT}_0 |
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395 | else |
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396 | exec cat |
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397 | fi |
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398 | ) |\ |
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399 | while read txt |
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400 | do |
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401 | case ${txt} in |
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402 | #( |
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403 | *[Xx][Pp][Rr][Aa]*[Ii][Ss]*[Rr][Ee][Aa][Dd][Yy]* ) |
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404 | echo "Xpra-proxy started" > ${XPRA_STATUS_DIR}/proxy_status_`hostname` |
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405 | echo "${txt}" |
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406 | exec cat |
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407 | ;; |
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408 | #( |
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409 | * ) echo "${txt}" |
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410 | ;; |
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411 | esac |
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412 | done & |
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413 | TRY='-1' |
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414 | while [ "${TRY}" -lt ${MAXTRY:-60} ] |
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415 | do |
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416 | TRY=`expr ${TRY} + 1` |
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417 | sleep 2 |
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418 | if [ -f /run/xpra/Xpra_0.pid ] |
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419 | then |
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420 | PID="`cat /run/xpra/Xpra_0.pid`" |
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421 | break |
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422 | fi |
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423 | done |
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424 | |
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425 | exec 2>> ${XPRA_TOPDIR_INT}/log/${HOSTNAME}/xpra_stderr.log |
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426 | exec 1>> ${XPRA_TOPDIR_INT}/log/${HOSTNAME}/xpra_stdout.log |
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427 | |
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428 | [ -d ${EMPTY} ] && rmdir ${EMPTY} |
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429 | |
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430 | if [ -x ${XPRA_TOPDIR_INT}/bin/housekeeping.sh ] |
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431 | then |
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432 | ${XPRA_TOPDIR_INT}/bin/housekeeping.sh ${SRC_PORT} |
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433 | fi |
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434 | |
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435 | |
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436 | # Wait until Xpra proxy died.... |
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437 | |
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438 | while [ -d /proc/${PID}/. ] |
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439 | do |
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440 | sleep 2 |
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441 | done |
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442 | # |
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443 | echo "Shutdown Proxyserver(s) at `date`" |
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444 | echo "#################################" |
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445 | [ "${XPRA_PROXY_DEBUG_LOG}" != '' ] && sleep 14400 |
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446 | |
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447 | # sleep 7200 |
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448 | shutdown_rc |
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