401 lines
12 KiB
Bash
Executable File
401 lines
12 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2011 Thomas Schmitt <scdbackup@gmx.net>
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# Copyright 2011 George Danchev <danchev@spnet.net>
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# Licensed under GNU GPL version 2 or later
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# Test the correct handling of hardlinks by xorriso options
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# -update_r , -hardlinks perform_update , and -extract
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# If there is support for ACLs or xattr in xorriso and on the local system,
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# then test recording and restoring of these features.
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not_in_releng_exit() {
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printf "\nPlease execute the tests from releng directory.\n\n"
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exit 1
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}
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. inc/releng_getopts.inc || not_in_releng_exit
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print_specific_help() {
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cat << HLP
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Specific options:
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none yet.
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Overview:
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Tests ISO image contents by performing various
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image generation, extractions and comparisons.
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HLP
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}
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if test "$SPECIFIC_HELP" = 1; then
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print_specific_help
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exit 0
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fi
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if [ ! -x $RELENG_XORRISO ]; then
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print_help
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printf "\n${SELF}: -x absolute or relative path to binary to be run.\n\n"
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exit 31
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fi
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# check data dir, if any and after checking -x xorriso
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if [ -d "${GEN_DATA_DIR}" ]; then
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printf "\n${SELF}: directory %s exists!" ${GEN_DATA_DIR}
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printf "\n${SELF}: use '${SELF} -c' to remove.\n"
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exit 8
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else
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mkdir "${GEN_DATA_DIR}"
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fi
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export xorriso=${RELENG_XORRISO}
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export workdir=${GEN_DATA_DIR}
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export image_file="$workdir"/xorriso_hardlinks.iso
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export on_disk="$workdir"/xorriso_hardlinks_test_dir
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export in_iso=""
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export copy_on_disk="$workdir"/xorriso_hardlinks_copy_dir
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export failure=0
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export simulate_failure=${SIMULATE_FAILURE}
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export next_is_xorriso=0
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export next_is_rc=0
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export bad=0
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export report_about="-report_about UPDATE"
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test -z "$in_iso" && in_iso="$on_disk"
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# mkdir "$workdir" || bad=1
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mkdir "$on_disk" || bad=1
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if test "$bad" = 1
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then
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echo -e "\nFAIL : ${SELF} : Test environment error : Cannot make directories"
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exit 3
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fi
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# All must be set at this point
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printf "\n${SELF}: Setting up $on_disk with several hardlinks\n" >&2
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echo test_content >"$on_disk"/file_1 || exit 1
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echo test_content >"$on_disk"/file_2 || exit 1
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ln "$on_disk"/file_1 "$on_disk"/file_1_link_a || exit 1
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ln "$on_disk"/file_1 "$on_disk"/file_1_link_b || exit 1
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ln "$on_disk"/file_2 "$on_disk"/file_2_link_a || exit 1
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# trivial ISO 9660 image validation routine
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is_valid_iso9660() {
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ISOfile="$1"
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if ! which file >/dev/null 2>&1; then
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printf "\nFAIL : ${SELF}: Not found: file. Please install the file(1) utility.\n"
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failure=1
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return
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fi
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if [ ! -f ${ISOfile} ]; then
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failure=1
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printf "\nFAIL : ${SELF} : Not found: ${ISOfile}\n"
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return
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fi
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file ${ISOfile}
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if file ${ISOfile} | grep "ISO *9660" >/dev/null 2>&1; then
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printf "\n${SELF}: Resulting ${ISOfile} OK. Looks like ISO 9660 filesystem.\n"
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else
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failure=1
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printf "\nFAIL : ${SELF} : ${ISOfile} DOES NOT look like ISO 9660 filesystem data.\n"
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fi
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}
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# Retrieve and evaluate return value of command run under return_wrapper
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check_xorriso_return() {
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ret=$(cat "$return_value_file")
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rm "$return_value_file"
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if test "$ret" = 0
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then
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return 0
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fi
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failure=1
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echo
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echo "FAIL : ${SELF} : xorriso run exited with value $ret"
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return 1
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}
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# Create test file and find out whether ACLs and/or xattr are available.
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#
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# Users known on GNU/Linux and FreeBSD: root games daemon man
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# Groups : daemon games bin sshd sys
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# On both systems, ACLs are manipulated by setfacl/getfacl
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#
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acl_xattr_test_file="$on_disk"/acl_xattr_test_file
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acl_xattr_copy_file="$copy_on_disk"/acl_xattr_test_file
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acl_xattr_test_dir="$on_disk"/acl_xattr_test_dir
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acl_xattr_iso_dir="$in_iso"/acl_xattr_test_dir
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acl_xattr_copy_dir="$copy_on_disk"/acl_xattr_test_dir
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mkdir "$acl_xattr_test_dir"
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echo echo hello world >"$acl_xattr_test_file" || exit 1
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sys=$(uname -s)
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acls=no
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default_acls=no
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setfacl_opts=""
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if ( setfacl -m u::rwx,g::r-x,o::---,u:root:rwx,g:sys:rwx,u:daemon:r--,mask::rwx \
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"$acl_xattr_test_file" ) >/dev/null 2>&1
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then
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if ( getfacl "$acl_xattr_test_file" ) >/dev/null 2>&1
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then
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if ( setfacl -m u::rwx,g::r-x,o::---,u:root:rwx,g:sys:rwx,u:daemon:r--,mask::rwx \
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"$acl_xattr_test_dir" ) >/dev/null 2>&1
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then
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acls=yes
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# Setting of "default" ACLs will fail on FreeBSD. It will nevertheless be
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# done in the image by a xorriso command. Restoring is supposed to skip
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# "default" ACLs if none could be recorded.
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if setfacl -m u::rwx,g::r-x,o::---,u:root:rwx,g:sys:rwx,u:daemon:r--,mask::rwx,d:u::rwx,d:g::r-x,d:o::---,d:u:root:rwx,d:g:sys:rwx,d:u:daemon:r--,d:mask::rwx "$acl_xattr_iso_dir" 2>/dev/null
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then
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default_acls=yes
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fi
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setfacl_opts="-setfacl u::rwx,g::r-x,o::---,u:root:rwx,g:sys:rwx,u:daemon:r--,mask::rwx,d:u::rwx,d:g::r-x,d:o::---,d:u:root:rwx,d:g:sys:rwx,d:u:daemon:r--,d:mask::rwx $acl_xattr_iso_dir --"
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fi
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fi
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fi
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# GNU/Linux and FreeBSD have different tools for Extended Attributes
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xattrs=no
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extattrs=no
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# Try GNU/Linux style setattr/getattr
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if ( setfattr -n user.test_xattr -v test_value "$acl_xattr_test_file" ) \
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>/dev/null 2>&1
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then
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if ( getfattr -d "$acl_xattr_test_file" ) >/dev/null 2>&1
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then
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xattrs=yes
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setfattr -n user.long_data -v 0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 "$acl_xattr_test_file"
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setfattr -n user.more_data -v 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 "$acl_xattr_test_file"
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fi
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fi
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if test "$xattrs" = no
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then
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# Try FreeBSD style setextattr
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if ( setextattr user test_xattr test_value "$acl_xattr_test_file" ) \
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>/dev/null 2>&1
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then
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if ( getextattr user test_xattr "$acl_xattr_test_file" ) >/dev/null 2>&1
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then
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setextattr user long_data 0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 "$acl_xattr_test_file"
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setextattr user more_data 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 "$acl_xattr_test_file"
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if ( lsextattr user "$acl_xattr_test_file" ) >/dev/null 2>&1
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then
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extattrs=yes
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fi
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fi
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fi
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fi
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echo
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echo "${SELF}: Detected sys='$sys' , acls=$acls , d_acls=$default_acls , xattrs=$xattrs , extattrs=$extattrs"
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# Examine capabilities of xorriso
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xorriso_acls=no
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xorriso_xattrs=no
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extras=$("$xorriso" -list_extras all 2>/dev/null)
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if test "$?" = 0
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then
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if echo "$extras" | fgrep 'Local ACL : yes' >/dev/null 2>&1
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then
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xorriso_acls=yes
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fi
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if echo "$extras" | fgrep 'Local xattr : yes' >/dev/null 2>&1
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then
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xorriso_xattrs=yes
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fi
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fi
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if test "$xorriso_acls" = no
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then
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acls=no
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setfacl_opts=
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fi
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if test "$xorriso_xattrs" = no
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then
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xattrs=no
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extattrs=no
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fi
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echo "${SELF}: Detected xorriso_acls=$xorriso_acls , xorriso_xattrs=$xorriso_xattrs"
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echo
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ls -l "$on_disk"/*
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echo -e "\n${SELF}: Producing simple image via -o" >&2
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"$xorriso" -as mkisofs "$on_disk" -o "$workdir"/image_minus_o.iso
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is_valid_iso9660 "$workdir"/image_minus_o.iso
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echo -e "\n${SELF}: Producing simple image via redirect" >&2
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"$xorriso" -as mkisofs "$on_disk" > "$workdir"/image_redirected.iso
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is_valid_iso9660 "$workdir"/image_redirected.iso
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echo -e "\n${SELF}: Producing simple image via pipe" >&2
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return_wrapper "$xorriso" -as mkisofs "$on_disk" | \
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cat > "$workdir"/image_piped.iso
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check_xorriso_return
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is_valid_iso9660 "$workdir"/image_piped.iso
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echo -e "\n${SELF}: Producing simple image with for_backup/update_r/hardlinks" >&2
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"$xorriso" \
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$report_about \
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-version \
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-for_backup \
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-padding 0 \
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-outdev "$image_file" \
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-volid TEST_AUTO_ISOCONTENT \
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-update_r "$on_disk" "$in_iso" \
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$setfacl_opts \
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-hardlinks perform_update
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ret=$?
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if test "$ret" -gt 0 -a "$ret" -lt 32
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then
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printf "\nFAIL : ${SELF} : xorriso write run failed\n\n"
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cleanup
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exit 1
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fi
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is_valid_iso9660 "$image_file"
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# It must refuse to load and go on with -assert_volid and non-matching pattern.
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msg=$(\
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"$xorriso" \
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-abort_on FATAL \
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-return_with FAILURE 32 \
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-assert_volid 'NON_MATCHING*' FATAL \
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-indev "$image_file" \
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2>&1
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)
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ret=$?
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if test "$ret" -gt 0 -a "$ret" -lt 32
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then
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printf "\n${SELF}: Ok. -assert_volid snapped.\n"
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elif test "$ret" -ne 0
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then
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failure=1
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echo >&2
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echo "$msg" >&2
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printf "\nFAIL : ${SELF} : -assert_volid test not properly performed\n\n"
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else
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failure=1
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printf "\nFAIL : ${SELF} : -assert_volid did not snap\n\n" >&2
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fi
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echo -e "\n${SELF}: Copying from image to temporary disk tree" >&2
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"$xorriso" \
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$report_about \
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-for_backup \
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-assert_volid 'TEST_AUTO_ISOCONT*' FATAL \
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-indev "$image_file" \
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-osirrox on \
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-find "$in_iso" -exec lsdl -- \
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-extract "$in_iso" "$copy_on_disk"
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ret=$?
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if test "$ret" -gt 0 -a "$ret" -lt 32
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then
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printf "\nFAIL : ${SELF} : xorriso file extraction run failed\n\n"
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cleanup
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exit 1
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fi
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if test "$simulate_failure" = 1
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then
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echo -e "\n${SELF}: SIMULATING FAILURE BY REMOVING AN EXTRACTED FILE" >&2
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echo -e "\nFAIL : ${SELF} : Simulated failure caused by option -fail"
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rm "$copy_on_disk"/file_1_link_b
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fi
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printf "\n${SELF}: Comparing original disk tree and temporary one..." >&2
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diff -r "$on_disk" "$copy_on_disk"
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if test "$?" -ne 0
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then
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echo -e "\nFAIL : ${SELF} : diff -r $on_disk $copy_on_disk reports differences" >&2
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echo -e "\nFAIL : ${SELF} : diff -r reports differences"
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failure=1
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else
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printf "OK" >&2
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fi
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printf "\n${SELF}: Checking for hardlinks being siblings...\n"
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ls -l "$copy_on_disk"/*
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x=$(echo $(ls -ld "$copy_on_disk"/*file* | awk '{print $2}'))
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expected="1 3 3 3 2 2"
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if test x"$x" = x"$expected"
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then
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printf "${SELF}: Checking for hardlinks being siblings done: ok.\n" >&2
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else
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printf "\nFAIL : ${SELF} : Link count of extracted files is not as expected." >&2
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printf "\n${SELF}: Expected: $expected" >&2
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printf "\n${SELF}: Got : $x\n" >&2
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failure=1
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fi
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if test "$acls" = yes
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then
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printf "\n${SELF}: Checking ACLs ...\n" >&2
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acl_on_disk=$(getfacl "$acl_xattr_test_file" | grep -v '^# file:' | sort)
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acl_in_copy=$(getfacl "$acl_xattr_copy_file" | grep -v '^# file:' | sort)
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if test "$acl_on_disk" = "$acl_in_copy"
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then
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printf "${SELF}: Checking ACLs done: ok.\n" >&2
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else
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printf "\nFAIL : ${SELF} : ACL mismatch between original and extracted copy\n"
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printf "\nOriginal:\n${acl_on_disk}\n"
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printf "\nCopy:\n${acl_in_copy}\n"
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failure=1
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fi
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fi
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if test "$xattrs" = yes
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then
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printf "\n${SELF}: Checking xattr via getfattr ...\n" >&2
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xattr_on_disk=$(getfattr "$acl_xattr_test_file" | \
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grep -v '^# file:' | grep -v '^$' | \sort)
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xattr_in_copy=$(getfattr "$acl_xattr_copy_file" |
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grep -v '^# file:' | grep -v '^$' | sort)
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if test "$xattr_on_disk" = "$xattr_in_copy"
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then
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num_xattr=$(echo "$xattr_on_disk" | wc -l)
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printf "${SELF}: Checking xattr done: $num_xattr attributes, ok.\n" >&2
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else
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printf "\nFAIL : ${SELF} : xattr mismatch between original and extracted copy\n"
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printf "\nOriginal:\n${xattr_on_disk}\n"
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printf "\nCopy:\n${xattr_in_copy}\n"
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failure=1
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fi
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elif test "$extattrs" = yes
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then
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printf "\n${SELF}: Checking xattr via lsextattr and getextattr ...\n" >&2
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lsext_on_disk=$(lsextattr -q user "$acl_xattr_test_file")
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xattr_on_disk=$(for i in $lsext_on_disk ; do echo $i $(getextattr -q user $i "$acl_xattr_test_file"); done | sort)
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lsext_in_copy=$(lsextattr -q user "$acl_xattr_copy_file")
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xattr_in_copy=$(for i in $lsext_in_copy ; do echo $i $(getextattr -q user $i "$acl_xattr_copy_file"); done | sort)
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if test "$xattr_on_disk" = "$xattr_in_copy"
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then
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num_xattr=$(echo "$xattr_on_disk" | wc -l)
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printf "${SELF}: Checking xattr done: $num_xattr attributes, ok.\n" >&2
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else
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printf "\nFAIL : ${SELF} : xattr mismatch between original and extracted copy\n"
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printf "\nOriginal:\n${xattr_on_disk}\n"
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printf "\nCopy:\n${xattr_in_copy}\n"
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failure=1
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fi
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fi
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#
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echo
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cleanup
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# Report result
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echo
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if test "$failure" = 1
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then
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printf "${SELF}: FAILED"
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echo
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exit 1
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else
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printf "${SELF}: Passed"
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echo
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fi
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exit 0
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