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mount /dev and /proc while altering rootfs image

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Various members of /dev are used (such as /dev/random) in this script,
and <() style redirection is used which requires a mounted /proc in the
image.

So bind-mount /dev and /proc while running so they work.

BUG=chromiumos:15951
TEST=examined output before/after

Change-Id: I3e8f0edef0da7e63b2af6736e8becfa1cd6d723d
Reviewed-on: http://gerrit.chromium.org/gerrit/1846
Reviewed-by: Richard Barnette <jrbarnette@chromium.org>
Tested-by: Scott James Remnant <keybuk@chromium.org>
This commit is contained in:
Scott James Remnant 2011-05-31 14:56:19 -07:00
parent 175422fec6
commit 105eb52ba5
1 changed files with 8 additions and 0 deletions
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8
mod_for_test_scripts/710enableAuthTesting
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@ -28,6 +28,11 @@ TMP_CERT=$(mktemp -p /tmp "${CERT_NAME}.pem.XXXXX")
mv -f "${TMP_KEY}" "${ROOT_FS_DIR}/${TMP_KEY}" mv -f "${TMP_KEY}" "${ROOT_FS_DIR}/${TMP_KEY}"
mv -f "${TMP_CERT}" "${ROOT_FS_DIR}/${TMP_CERT}" mv -f "${TMP_CERT}" "${ROOT_FS_DIR}/${TMP_CERT}"
# We need access to /dev/random and /dev/self/fd (which is /proc/self/fd)
# within the chrooted image
sudo mount --bind /dev "${ROOT_FS_DIR}"/dev
sudo mount --bind /proc "${ROOT_FS_DIR}"/proc
# Generate testing root cert on the fly. # Generate testing root cert on the fly.
sudo chroot "${ROOT_FS_DIR}" ${QEMU} /usr/bin/openssl req -x509 -days 21 \ sudo chroot "${ROOT_FS_DIR}" ${QEMU} /usr/bin/openssl req -x509 -days 21 \
-subj "/CN=www.google.com" \ -subj "/CN=www.google.com" \
@ -53,3 +58,6 @@ if [ -n "${QEMU}" ] ; then
fi fi
rm -f "${ROOT_FS_DIR}/${TMP_KEY}" rm -f "${ROOT_FS_DIR}/${TMP_KEY}"
rm -f "${ROOT_FS_DIR}/${TMP_CERT}" rm -f "${ROOT_FS_DIR}/${TMP_CERT}"
sudo umount "${ROOT_FS_DIR}"/dev
sudo umount "${ROOT_FS_DIR}"/proc