diff options
Diffstat (limited to 'meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh')
-rwxr-xr-x | meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh b/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh new file mode 100755 index 0000000000..1813fd1240 --- /dev/null +++ b/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh | |||
@@ -0,0 +1,197 @@ | |||
1 | #!/bin/sh | ||
2 | ### BEGIN INIT INFO | ||
3 | # Provides: volatile | ||
4 | # Required-Start: $local_fs | ||
5 | # Required-Stop: $local_fs | ||
6 | # Default-Start: S | ||
7 | # Default-Stop: | ||
8 | # Short-Description: Populate the volatile filesystem | ||
9 | ### END INIT INFO | ||
10 | |||
11 | . /etc/default/rcS | ||
12 | |||
13 | CFGDIR="/etc/default/volatiles" | ||
14 | TMPROOT="/var/tmp" | ||
15 | COREDEF="00_core" | ||
16 | |||
17 | [ "${VERBOSE}" != "no" ] && echo "Populating volatile Filesystems." | ||
18 | |||
19 | create_file() { | ||
20 | EXEC=" | ||
21 | touch \"$1\"; | ||
22 | chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1; | ||
23 | chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 " | ||
24 | |||
25 | test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache | ||
26 | |||
27 | [ -e "$1" ] && { | ||
28 | [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping." | ||
29 | } || { | ||
30 | eval $EXEC & | ||
31 | } | ||
32 | } | ||
33 | |||
34 | mk_dir() { | ||
35 | EXEC=" | ||
36 | mkdir -p \"$1\"; | ||
37 | chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1; | ||
38 | chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 " | ||
39 | |||
40 | test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache | ||
41 | |||
42 | [ -e "$1" ] && { | ||
43 | [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping." | ||
44 | } || { | ||
45 | eval $EXEC & | ||
46 | } | ||
47 | } | ||
48 | |||
49 | link_file() { | ||
50 | EXEC="test -e \"$2\" -o -L $2 || ln -s \"$1\" \"$2\" >/dev/tty0 2>&1" | ||
51 | |||
52 | test "$VOLATILE_ENABLE_CACHE" = yes && echo " $EXEC" >> /etc/volatile.cache | ||
53 | |||
54 | [ -e "$2" ] && { | ||
55 | echo "Cannot create link over existing -${TNAME}-." >&2 | ||
56 | } || { | ||
57 | eval $EXEC & | ||
58 | } | ||
59 | } | ||
60 | |||
61 | check_requirements() { | ||
62 | |||
63 | cleanup() { | ||
64 | rm "${TMP_INTERMED}" | ||
65 | rm "${TMP_DEFINED}" | ||
66 | rm "${TMP_COMBINED}" | ||
67 | } | ||
68 | |||
69 | CFGFILE="$1" | ||
70 | |||
71 | [ `basename "${CFGFILE}"` = "${COREDEF}" ] && return 0 | ||
72 | |||
73 | TMP_INTERMED="${TMPROOT}/tmp.$$" | ||
74 | TMP_DEFINED="${TMPROOT}/tmpdefined.$$" | ||
75 | TMP_COMBINED="${TMPROOT}/tmpcombined.$$" | ||
76 | |||
77 | |||
78 | cat /etc/passwd | sed 's@\(^:\)*:.*@\1@' | sort | uniq > "${TMP_DEFINED}" | ||
79 | cat ${CFGFILE} | grep -v "^#" | cut -d " " -f 2 > "${TMP_INTERMED}" | ||
80 | cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}" | ||
81 | |||
82 | NR_DEFINED_USERS="`cat "${TMP_DEFINED}" | wc -l`" | ||
83 | NR_COMBINED_USERS="`cat "${TMP_COMBINED}" | wc -l`" | ||
84 | |||
85 | [ "${NR_DEFINED_USERS}" -ne "${NR_COMBINED_USERS}" ] && { | ||
86 | echo "Undefined users:" | ||
87 | diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>" | ||
88 | cleanup | ||
89 | return 1 | ||
90 | } | ||
91 | |||
92 | |||
93 | cat /etc/group | sed 's@\(^:\)*:.*@\1@' | sort | uniq > "${TMP_DEFINED}" | ||
94 | cat ${CFGFILE} | grep -v "^#" | cut -d " " -f 3 > "${TMP_INTERMED}" | ||
95 | cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}" | ||
96 | |||
97 | NR_DEFINED_GROUPS="`cat "${TMP_DEFINED}" | wc -l`" | ||
98 | NR_COMBINED_GROUPS="`cat "${TMP_COMBINED}" | wc -l`" | ||
99 | |||
100 | [ "${NR_DEFINED_GROUPS}" -ne "${NR_COMBINED_GROUPS}" ] && { | ||
101 | echo "Undefined groups:" | ||
102 | diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>" | ||
103 | cleanup | ||
104 | return 1 | ||
105 | } | ||
106 | |||
107 | # Add checks for required directories here | ||
108 | |||
109 | cleanup | ||
110 | return 0 | ||
111 | } | ||
112 | |||
113 | apply_cfgfile() { | ||
114 | |||
115 | CFGFILE="$1" | ||
116 | |||
117 | check_requirements "${CFGFILE}" || { | ||
118 | echo "Skipping ${CFGFILE}" | ||
119 | return 1 | ||
120 | } | ||
121 | |||
122 | cat ${CFGFILE} | grep -v "^#" | \ | ||
123 | while read LINE; do | ||
124 | |||
125 | eval `echo "$LINE" | sed -n "s/\(.*\)\ \(.*\) \(.*\)\ \(.*\)\ \(.*\)\ \(.*\)/TTYPE=\1 ; TUSER=\2; TGROUP=\3; TMODE=\4; TNAME=\5 TLTARGET=\6/p"` | ||
126 | |||
127 | [ "${VERBOSE}" != "no" ] && echo "Checking for -${TNAME}-." | ||
128 | |||
129 | |||
130 | [ "${TTYPE}" = "l" ] && { | ||
131 | TSOURCE="$TLTARGET" | ||
132 | [ -L "${TNAME}" ] || { | ||
133 | [ "${VERBOSE}" != "no" ] && echo "Creating link -${TNAME}- pointing to -${TSOURCE}-." | ||
134 | link_file "${TSOURCE}" "${TNAME}" & | ||
135 | } | ||
136 | continue | ||
137 | } | ||
138 | |||
139 | [ -L "${TNAME}" ] && { | ||
140 | [ "${VERBOSE}" != "no" ] && echo "Found link." | ||
141 | NEWNAME=`ls -l "${TNAME}" | sed -e 's/^.*-> \(.*\)$/\1/'` | ||
142 | echo ${NEWNAME} | grep -v "^/" >/dev/null && { | ||
143 | TNAME="`echo ${TNAME} | sed -e 's@\(.*\)/.*@\1@'`/${NEWNAME}" | ||
144 | [ "${VERBOSE}" != "no" ] && echo "Converted relative linktarget to absolute path -${TNAME}-." | ||
145 | } || { | ||
146 | TNAME="${NEWNAME}" | ||
147 | [ "${VERBOSE}" != "no" ] && echo "Using absolute link target -${TNAME}-." | ||
148 | } | ||
149 | } | ||
150 | |||
151 | case "${TTYPE}" in | ||
152 | "f") [ "${VERBOSE}" != "no" ] && echo "Creating file -${TNAME}-." | ||
153 | create_file "${TNAME}" & | ||
154 | ;; | ||
155 | "d") [ "${VERBOSE}" != "no" ] && echo "Creating directory -${TNAME}-." | ||
156 | mk_dir "${TNAME}" & | ||
157 | # Add check to see if there's an entry in fstab to mount. | ||
158 | ;; | ||
159 | *) [ "${VERBOSE}" != "no" ] && echo "Invalid type -${TTYPE}-." | ||
160 | continue | ||
161 | ;; | ||
162 | esac | ||
163 | |||
164 | |||
165 | done | ||
166 | |||
167 | return 0 | ||
168 | |||
169 | } | ||
170 | |||
171 | clearcache=0 | ||
172 | exec 9</proc/cmdline | ||
173 | while read line <&9 | ||
174 | do | ||
175 | case "$line" in | ||
176 | *clearcache*) clearcache=1 | ||
177 | ;; | ||
178 | *) continue | ||
179 | ;; | ||
180 | esac | ||
181 | done | ||
182 | exec 9>&- | ||
183 | |||
184 | if test -e /etc/volatile.cache -a "$VOLATILE_ENABLE_CACHE" = "yes" -a "x$1" != "xupdate" -a "x$clearcache" = "x0" | ||
185 | then | ||
186 | sh /etc/volatile.cache | ||
187 | else | ||
188 | rm -f /etc/volatile.cache | ||
189 | for file in `ls -1 "${CFGDIR}" | sort`; do | ||
190 | apply_cfgfile "${CFGDIR}/${file}" | ||
191 | done | ||
192 | fi | ||
193 | |||
194 | if test -f /etc/ld.so.cache -a ! -f /var/run/ld.so.cache | ||
195 | then | ||
196 | ln -s /etc/ld.so.cache /var/run/ld.so.cache | ||
197 | fi | ||