5 ## Copyright (c) 2005 David B. Harris <dbharris@eelf.ddts.net>
6 ## Copyright (c) 2005 Peter Palfrader <peter@palfrader.org>
8 ## This text is released under the "three-clause BSD license".
9 ## The full text of the license is available at the end of this file.
11 printf "\nrecvconf on %s processing:\n" "$(hostname -s)"
12 FILELIST=/etc/NOREPLY/recvconf.files
17 tempscript="$(mktemp)"
18 chmod 0600 "$tempscript"
20 tempdir="$(mktemp -d)"
22 # Read tarball from STDIN
28 copy_and_runcommands() {
30 local file perms user group precommand postcommand
31 file="$1"; perms="$2"; user="$3"; group="$4"; precommand="$5"; postcommand="$6"
33 if [ -f "$file" ]; then
34 if [ -h "$file" ]; then # File should NOT be a symlink
35 printf "\`%s' is a symlink, aborting.\n" "$file" >&2
39 if ! [ "$file" -nt "/$file" ]; then
44 if [ -n "$precommand" ]; then
45 printf "Running precommand \`%s' for %s\n" "$precommand" "$file" >&2
46 eval -- $precommand >&2
49 if [ -n "$perms" ]; then
50 chmod -- "$perms" "$file"
52 printf "Warning, no perms defined for \`%s', assuming 0640.\n" "$file" >&2
55 if [ -n "$user" ]; then
56 chown -- "$user" "$file"
58 printf "Warning, no user defined for \`%s', assuming root.\n" "$file" >&2
61 if [ -n "$group" ]; then
62 chgrp -- "$group" "$file"
64 printf "Warning, no group defined for \`%s', assuming root.\n" "$file" >&2
68 if [ ! -d "/$(dirname "$file")" ]; then
69 printf "Directory \`%s' does not exist, aborting.\n" "$(dirname "$file")" >&2
73 cp -a -- "$file" "/$(dirname "$file")" >&2
74 ls -l "/$(dirname "$file")/$(basename "$file")" >&2
76 if [ -n "$postcommand" ]; then
77 if ! grep -F -- "$postcommand" "$tempscript" > /dev/null 2>&1; then
78 printf "%s\n" "$postcommand" >> "$tempscript"
90 linenum="$(($linenum + 1))"
92 if printf "%s\n" "$line" | grep -E '^[[:space:]]*$' > /dev/null 2>&1; then
93 ## This line is an empty line; skip it
95 elif printf "%s" "$line" | grep -E '^[[:space:]]*#' > /dev/null 2>&1; then
96 ## This line is a comment; skip it
100 ## IN=0, so we're out of a stanza: better get a file declaration next
101 if [ "$IN" = "0" ] && ! printf "%s" "$line" | grep -E '^[[:space:]]*file[[:space:]]' > /dev/null 2>&1; then
102 printf "Error on line %s, file declaration expected. Got\n\t%s\n" "$linenum" "$line" >&2
104 elif [ "$IN" = 0 ] && printf "%s" "$line" | grep -E '^[[:space:]]*file[[:space:]]' > /dev/null 2>&1; then
105 ## Okay, we're just starting out; set $file and move on
106 file="$(printf "%s" "$line" | sed -e 's/[[:space:]]*file[[:space:]]\+\([^[:space:]#]*\).*/\1/')"
109 elif [ "$IN" = 1 ] && printf "%s" "$line" | grep -E '^[[:space:]]*file[[:space:]]' > /dev/null 2>&1; then
110 ## Okay, not only are we at a file declaration, but this isn't our first one. Run the commands to process
111 ## the file, then set a $file to the new value and continue parsing.
112 [ -n "$file" ] && copy_and_runcommands "$file" "$perms" "$user" "$group" "$precommand" "$postcommand"
113 file="$(printf "%s" "$line" | sed -e 's/[[:space:]]*file[[:space:]]\+\([^[:space:]#]*\).*/\1/')"
114 perms=""; user=""; group=""; precommand=""; postcommand=""
118 ## The last two if blocks weren't processed; thus this isn't a comment, a blank line, and we're in the middle of a stanza
119 if printf "%s" "$line" | grep -E '^[[:space:]]*perms[[:space:]]' > /dev/null 2>&1; then
120 perms="$(printf "%s" "$line" | sed -e 's/[[:space:]]*perms[[:space:]]\+\([^[:space:]#]*\).*/\1/')"
122 elif printf "%s" "$line" | grep -E '^[[:space:]]*user[[:space:]]' > /dev/null 2>&1; then
123 user="$(printf "%s" "$line" | sed -e 's/[[:space:]]*user[[:space:]]\+\([^[:space:]#]*\).*/\1/')"
125 elif printf "%s" "$line" | grep -E '^[[:space:]]*group[[:space:]]' > /dev/null 2>&1; then
126 group="$(printf "%s" "$line" | sed -e 's/[[:space:]]*group[[:space:]]\+\([^[:space:]#]*\).*/\1/')"
128 elif printf "%s" "$line" | grep -E '^[[:space:]]*precommand[[:space:]]' > /dev/null 2>&1; then
129 precommand="$(printf "%s" "$line" | sed -e 's/[[:space:]]*precommand[[:space:]]\+\([^[:space:]#]*\)/\1/')"
131 elif printf "%s" "$line" | grep -E '^[[:space:]]*postcommand[[:space:]]' > /dev/null 2>&1; then
132 postcommand="$(printf "%s" "$line" | sed -e 's/[[:space:]]*postcommand[[:space:]]\+\([^[:space:]#]*\)/\1/')"
135 printf "Unknown token at line %s:\n\t%s\n" "$linenum" "$line"
140 ## This is the last stanza and the above loop has set the variables, but hasn't yet processed the file
141 [ -n "$file" ] && copy_and_runcommands "$file" "$perms" "$user" "$group" "$precommand" "$postcommand"
143 if [ -s "$tempscript" ]; then
144 tempoutput="$(mktemp)"
145 ## Post-copying commands to be run, run them here. Only display output if they exit with $? > 0
146 while read command; do
147 printf "Running postcommand \`%s' on %s.\n" "$command" "$(hostname -s)" >&2
148 if ! eval -- "(cd / && env -i $command)" > "$tempoutput" 2>&1; then
149 printf "Error, postcommand \`%s' on %s failed. Output follows:\n" "$command" "$(hostname -s)" >&2
150 cat -- "$tempoutput" >&2
156 # Check for any leftover files here; if there are any, exit with an error and print the list
157 if [ ! -z "$(find . -type f)" ]; then
158 printf "The following files were not listed in $FILELIST:\n%s\n" "$(find . -type f)" >&2
163 rm -f -- "$tempoutput"
164 rm -f -- "$tempscript"
168 printf "recvconf on %s finished.\n" "$(hostname -s)"
170 ## Redistribution and use in source and binary forms, with or without
171 ## modification, are permitted provided that the following conditions are
174 ## * Redistributions of source code must retain the above copyright
175 ## notice, this list of conditions and the following disclaimer.
177 ## * Redistributions in binary form must reproduce the above
178 ## copyright notice, this list of conditions and the following disclaimer
179 ## in the documentation and/or other materials provided with the
182 ## * Neither the names of the copyright owners nor the names of its
183 ## contributors may be used to endorse or promote products derived from
184 ## this software without specific prior written permission.
186 ## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
187 ## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
188 ## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
189 ## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
190 ## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
191 ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
192 ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
193 ## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
194 ## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
195 ## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
196 ## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.