/[gentoo-x86]/eclass/java-vm-2.eclass
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Revision 1.41 - (show annotations) (download)
Sun Dec 4 06:52:39 2011 UTC (3 years ago) by ferringb
Branch: MAIN
Changes since 1.40: +4 -2 lines
Fix IFS=: bleeding out from java-vm_sandbox-predict invocations

1 # Copyright 1999-2011 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/java-vm-2.eclass,v 1.40 2011/11/24 20:05:01 sera Exp $
4
5 # -----------------------------------------------------------------------------
6 # @eclass-begin
7 # @eclass-shortdesc Java Virtual Machine eclass
8 # @eclass-maintainer java@gentoo.org
9 #
10 # This eclass provides functionality which assists with installing
11 # virtual machines, and ensures that they are recognized by java-config.
12 #
13 # -----------------------------------------------------------------------------
14
15 inherit eutils fdo-mime multilib pax-utils prefix
16
17 DEPEND="=dev-java/java-config-2*"
18 has "${EAPI}" 0 1 && DEPEND="${DEPEND} >=sys-apps/portage-2.1"
19
20 RDEPEND="
21 =dev-java/java-config-2*"
22
23 export WANT_JAVA_CONFIG=2
24
25 JAVA_VM_CONFIG_DIR="/usr/share/java-config-2/vm"
26 JAVA_VM_DIR="/usr/lib/jvm"
27 JAVA_VM_SYSTEM="/etc/java-config-2/current-system-vm"
28 JAVA_VM_BUILD_ONLY="${JAVA_VM_BUILD_ONLY:-FALSE}"
29
30 EXPORT_FUNCTIONS pkg_setup pkg_postinst pkg_prerm pkg_postrm
31
32 java-vm-2_pkg_setup() {
33 if [[ "${SLOT}" != "0" ]]; then
34 VMHANDLE=${PN}-${SLOT}
35 else
36 VMHANDLE=${PN}
37 fi
38 }
39
40 java-vm-2_pkg_postinst() {
41 # Set the generation-2 system VM, if it isn't set or the setting is invalid
42 # Note that we cannot rely on java-config here, as it will silently recognize
43 # e.g. icedtea6-bin as valid system VM if icedtea6 is set but invalid (e.g. due
44 # to the migration to icedtea-6)
45 if [[ ! -L "${JAVA_VM_SYSTEM}" ]]; then
46 java_set_default_vm_
47 else
48 local current_vm_path="$(readlink "${JAVA_VM_SYSTEM}")"
49 local current_vm="$(basename "${current_vm_path}")"
50 if [[ ! -L "${JAVA_VM_DIR}/${current_vm}" ]]; then
51 java_set_default_vm_
52 fi
53 fi
54
55 java-vm_check-nsplugin
56 java_mozilla_clean_
57 fdo-mime_desktop_database_update
58 }
59
60 java-vm_check-nsplugin() {
61 local libdir
62 if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then
63 libdir=lib32
64 else
65 libdir=lib
66 fi
67
68 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
69
70 # Install a default nsplugin if we don't already have one
71 if in_iuse nsplugin && use nsplugin; then
72 if [[ ! -f "${EPREFIX}"/usr/${libdir}/nsbrowser/plugins/javaplugin.so ]]; then
73 einfo "No system nsplugin currently set."
74 java-vm_set-nsplugin
75 else
76 einfo "System nsplugin is already set, not changing it."
77 fi
78 einfo "You can change nsplugin with eselect java-nsplugin."
79 fi
80 }
81
82 java-vm_set-nsplugin() {
83 local extra_args
84 if use amd64; then
85 if [[ ${VMHANDLE} =~ emul-linux-x86 ]]; then
86 extra_args="32bit"
87 else
88 extra_args="64bit"
89 fi
90 einfo "Setting ${extra_args} nsplugin to ${VMHANDLE}"
91 else
92 einfo "Setting nsplugin to ${VMHANDLE}..."
93 fi
94 eselect java-nsplugin set ${extra_args} ${VMHANDLE}
95 }
96
97 java-vm-2_pkg_prerm() {
98 # Although REPLACED_BY_VERSION is EAPI=4, we shouldn't need to check EAPI for this use case
99 if [[ "$(GENTOO_VM="" java-config -f 2>/dev/null)" == "${VMHANDLE}" && -z "${REPLACED_BY_VERSION}" ]]; then
100 ewarn "It appears you are removing your system-vm!"
101 ewarn "Please run java-config -L to list available VMs,"
102 ewarn "then use java-config -S to set a new system-vm!"
103 fi
104 }
105
106 java-vm-2_pkg_postrm() {
107 fdo-mime_desktop_database_update
108 }
109
110 java_set_default_vm_() {
111 java-config-2 --set-system-vm="${VMHANDLE}"
112
113 einfo " ${P} set as the default system-vm."
114 }
115
116 get_system_arch() {
117 local sarch
118 sarch=$(echo ${ARCH} | sed -e s/[i]*.86/i386/ -e s/x86_64/amd64/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/)
119 if [ -z "${sarch}" ]; then
120 sarch=$(uname -m | sed -e s/[i]*.86/i386/ -e s/x86_64/amd64/ -e s/sun4u/sparc/ -e s/sparc64/sparc/ -e s/arm.*/arm/ -e s/sa110/arm/)
121 fi
122 echo ${sarch}
123 }
124
125 # TODO rename to something more evident, like install_env_file
126 set_java_env() {
127 debug-print-function ${FUNCNAME} $*
128
129 if has ${EAPI:-0} 0 1 2 && ! use prefix ; then
130 ED="${D}"
131 EPREFIX=""
132 fi
133
134 local platform="$(get_system_arch)"
135 local env_file="${ED}${JAVA_VM_CONFIG_DIR}/${VMHANDLE}"
136 local old_env_file="${ED}/etc/env.d/java/20${P}"
137 if [[ ${1} ]]; then
138 local source_env_file="${1}"
139 else
140 local source_env_file="${FILESDIR}/${VMHANDLE}.env"
141 fi
142
143 if [[ ! -f ${source_env_file} ]]; then
144 die "Unable to find the env file: ${source_env_file}"
145 fi
146
147 dodir ${JAVA_VM_CONFIG_DIR}
148 sed \
149 -e "s/@P@/${P}/g" \
150 -e "s/@PN@/${PN}/g" \
151 -e "s/@PV@/${PV}/g" \
152 -e "s/@PF@/${PF}/g" \
153 -e "s/@SLOT@/${SLOT}/g" \
154 -e "s/@PLATFORM@/${platform}/g" \
155 -e "s/@LIBDIR@/$(get_libdir)/g" \
156 -e "/^LDPATH=.*lib\\/\\\"/s|\"\\(.*\\)\"|\"\\1${platform}/:\\1${platform}/server/\"|" \
157 < "${source_env_file}" \
158 > "${env_file}" || die "sed failed"
159
160 (
161 echo "VMHANDLE=\"${VMHANDLE}\""
162 echo "BUILD_ONLY=\"${JAVA_VM_BUILD_ONLY}\""
163 ) >> "${env_file}"
164
165 eprefixify ${env_file}
166
167 [[ -n ${JAVA_PROVIDE} ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\"" >> ${env_file}
168
169 local java_home=$(source "${env_file}"; echo ${JAVA_HOME})
170 [[ -z ${java_home} ]] && die "No JAVA_HOME defined in ${env_file}"
171
172 # Make the symlink
173 dodir "${JAVA_VM_DIR}"
174 dosym ${java_home#${EPREFIX}} ${JAVA_VM_DIR}/${VMHANDLE} \
175 || die "Failed to make VM symlink at ${JAVA_VM_DIR}/${VMHANDLE}"
176 }
177
178 # -----------------------------------------------------------------------------
179 # @ebuild-function java-vm_set-pax-markings
180 #
181 # Set PaX markings on all JDK/JRE executables to allow code-generation on
182 # the heap by the JIT compiler.
183 #
184 # The markings need to be set prior to the first invocation of the the freshly
185 # built / installed VM. Be it before creating the Class Data Sharing archive or
186 # generating cacerts. Otherwise a PaX enabled kernel will kill the VM.
187 # Bug #215225 #389751
188 #
189 # @example
190 # java-vm_set-pax-markings "${S}"
191 # java-vm_set-pax-markings "${ED}"/opt/${P}
192 #
193 # @param $1 - JDK/JRE base directory.
194 # -----------------------------------------------------------------------------
195 java-vm_set-pax-markings() {
196 debug-print-function ${FUNCNAME} "$*"
197 [[ $# -ne 1 ]] && die "${FUNCNAME}: takes exactly one argument"
198 [[ ! -f "${1}"/bin/java ]] \
199 && die "${FUNCNAME}: argument needs to be JDK/JRE base directory"
200
201 local executables=( "${1}"/bin/* )
202 [[ -d "${1}"/jre ]] && executables+=( "${1}"/jre/bin/* )
203
204 # Usally disabeling MPROTECT is sufficent
205 local pax_markings="m"
206 # On x86 for heap sizes over 700MB disable SEGMEXEC and PAGEEXEC as well.
207 use x86 && pax_markings="msp"
208
209 pax-mark ${pax_markings} $(list-paxables "${executables[@]}")
210 }
211
212 # -----------------------------------------------------------------------------
213 # @ebuild-function java-vm_revdep-mask
214 #
215 # Installs a revdep-rebuild control file which SEARCH_DIR_MASK set to the path
216 # where the VM is installed. Prevents pointless rebuilds - see bug #177925.
217 # Also gives a notice to the user.
218 #
219 # @example
220 # java-vm_revdep-mask
221 # java-vm_revdep-mask /path/to/jdk/
222 #
223 # @param $1 - Path of the VM (defaults to /opt/${P} if not set)
224 # ------------------------------------------------------------------------------
225 java-vm_revdep-mask() {
226 if has ${EAPI:-0} 0 1 2 && ! use prefix; then
227 ED="${D}"
228 EPREFIX=
229 fi
230
231 local VMROOT="${1-"${EPREFIX}"/opt/${P}}"
232
233 dodir /etc/revdep-rebuild/
234 echo "SEARCH_DIRS_MASK=\"${VMROOT}\""> "${ED}/etc/revdep-rebuild/61-${VMHANDLE}"
235 }
236
237 # -----------------------------------------------------------------------------
238 # @ebuild-function java-vm_sandbox-predict
239 #
240 # Install a sandbox control file. Specified paths won't cause a sandbox
241 # violation if opened read write but no write takes place. See bug 388937#c1
242 #
243 # @example
244 # java-vm_sandbox-predict /dev/random /proc/self/coredump_filter
245 # -----------------------------------------------------------------------------
246 java-vm_sandbox-predict() {
247 debug-print-function ${FUNCNAME} "$*"
248 [[ -z "${1}" ]] && die "${FUNCNAME} takes at least one argument"
249
250 has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
251
252 local path path_arr=("$@")
253 # subshell this to prevent IFS bleeding out dependant on bash version.
254 # could use local, which *should* work, but that requires a lot of testing.
255 path=$(IFS=":" echo "${path_arr[*]}")
256 dodir /etc/sandbox.d
257 echo "SANDBOX_PREDICT=\"${path}\"" > "${ED}/etc/sandbox.d/20${VMHANDLE}" \
258 || die "Failed to write sandbox control file"
259 }
260
261 java_get_plugin_dir_() {
262 has ${EAPI:-0} 0 1 2 && ! use prefix && EPREFIX=
263 echo "${EPREFIX}"/usr/$(get_libdir)/nsbrowser/plugins
264 }
265
266 install_mozilla_plugin() {
267 local plugin="${1}"
268 local variant="${2}"
269
270 has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
271 if [[ ! -f "${ED}/${plugin}" ]]; then
272 die "Cannot find mozilla plugin at ${ED}/${plugin}"
273 fi
274
275 if [[ -n "${variant}" ]]; then
276 variant="-${variant}"
277 fi
278
279 local plugin_dir="/usr/share/java-config-2/nsplugin"
280 dodir "${plugin_dir}"
281 dosym "${plugin}" "${plugin_dir}/${VMHANDLE}${variant}-javaplugin.so"
282 }
283
284 java_mozilla_clean_() {
285 # Because previously some ebuilds installed symlinks outside of pkg_install
286 # and are left behind, which forces you to manualy remove them to select the
287 # jdk/jre you want to use for java
288 local plugin_dir=$(java_get_plugin_dir_)
289 for file in ${plugin_dir}/javaplugin_*; do
290 rm -f ${file}
291 done
292 for file in ${plugin_dir}/libjavaplugin*; do
293 rm -f ${file}
294 done
295 }
296
297 # ------------------------------------------------------------------------------
298 # @eclass-end
299 # ------------------------------------------------------------------------------

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