package/rng-tools: add systemd support for rngd
Add rngd.service for systemd. Also patch rngd with patch from Fedora to ignore failure if no hwrng present: https://bugzilla.redhat.com/show_bug.cgi?id=892178 [Thomas: - rename patch to the proper naming convention - add description and SoB to patch - install service file to /usr/lib/systemd and not /lib/systemd - use a relative symbolic link instead of an absolute one] Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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package/rng-tools/0001-rngd-exit-code.patch
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package/rng-tools/0001-rngd-exit-code.patch
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@ -0,0 +1,22 @@
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Exit with a special value when RNG modules are not available
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Instead of returning with an error, exit with a special value when the
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RNG kernel modules are not present in the kernel. This is not really a
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hard failure.
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Patch borrowed from Fedora, at
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http://pkgs.fedoraproject.org/cgit/rng-tools.git/tree/rngd-exit-code.patch.
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Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
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--- a/rngd.c
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+++ b/rngd.c
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@@ -319,7 +319,7 @@ int main(int argc, char **argv)
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message(LOG_DAEMON|LOG_ERR,
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"Maybe RNG device modules are not loaded\n");
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}
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- return 1;
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+ return 66;
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}
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if (arguments->verbose) {
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@ -21,4 +21,12 @@ else
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RNG_TOOLS_CONF_OPTS += --without-libgcrypt
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RNG_TOOLS_CONF_OPTS += --without-libgcrypt
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endif
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endif
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define RNG_TOOLS_INSTALL_INIT_SYSTEMD
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$(INSTALL) -D -m 644 package/rng-tools/rngd.service \
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$(TARGET_DIR)/usr/lib/systemd/system/rngd.service
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mkdir -p $(TARGET_DIR)/etc/systemd/system/multi-user.target.wants
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ln -fs ../../../../usr/lib/systemd/system/rngd.service \
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$(TARGET_DIR)/etc/systemd/system/multi-user.target.wants/rngd.service
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endef
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$(eval $(autotools-package))
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$(eval $(autotools-package))
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package/rng-tools/rngd.service
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package/rng-tools/rngd.service
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[Unit]
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Description=Hardware RNG Entropy Gatherer Daemon
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[Service]
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ExecStart=/usr/sbin/rngd -f
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SuccessExitStatus=66
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[Install]
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WantedBy=multi-user.target
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