src/include/common.global.class.in

# $Id$

# message only echo | disabled in quiet mode
mecho()
{
	local COLCYAN="\033[1;36m"
	local COLDEFAULT="\033[0m"
	local opts
	local webcrlf

	# print nothing if quiet mode was requested
	[[ ${QUIET} = 1 ]] && return

	if [[ ${NOCOLORS} = 1 ]]
	then
		COLCYAN=""
		COLDEFAULT=""
	fi

	[[ ${WEBCRLF} = 1 ]] && webcrlf="<br>"

	# respect -n
	case $1 in
		-n) shift; opts="n" ;;
	esac

	echo -e${opts} "${COLCYAN}$@${COLDEFAULT}${webcrlf}"
}

# prints error messages | enabled even in quiet mode
eecho()
{
	local COLRED="\033[1;31m"
	local COLDEFAULT="\033[0m"
	local opts
	local webcrlf

	if [[ ${NOCOLORS} = 1 ]]
	then
		COLRED=""
		COLDEFAULT=""
	fi

	[[ ${WEBCRLF} = 1 ]] && webcrlf="<br>"

	# respect -n
	case $1 in
		-n) shift; opts="n" ;;
	esac

	# echo to stderr
	echo -e${opts} "${COLRED}$@${COLDEFAULT}${webcrlf}" 1>&2
}

# prints return values of get | enabled even in quiet mode
rvecho()
{
	local COLPURPLE="\033[1;35m"
	local COLDEFAULT="\033[0m"
	local opts
	local webcrlf

	if [[ ${NOCOLORS} = 1 ]]
	then
		COLPURPLE=""
		COLDEFAULT=""
	fi

	[[ ${WEBCRLF} = 1 ]] && webcrlf="<br>"

	# respect -n
	case $1 in
		-n) shift; opts="n" ;;
	esac

	echo -e${opts} "${COLPURPLE}$@${COLDEFAULT}${webcrlf}"
}

# prints debug messages if requested | enabled even in quiet mode
decho()
{
	# print nothing if debug mode was *not* requested
	[[ ${DEBUG} != 1 ]] && return

	eecho "DEBUG: ${@}"
}

# source a file with debug information
include()
{
	local retval

	if [ -f $@ ]
	then
		decho "including '$@'"
		source $@
		retval=$?
	else
		decho "include: '$@' not found"
		retval=1
	fi

	return ${retval}
}

# adds a line to a configuration file defined by the $CONFIG variable
# $CONFIG="/etc/conf.d/mcore" addconfig 'LIBDIR="/usr/lib"'
addconfig()
{
	local opts

	if [[ -z ${CONFIG} ]]
	then
		eecho "You must define \$CONFIG varibale first!"
		return 1
	fi

	if [[ ! -d $(dirname ${CONFIG}) ]]
	then
		install -d $(dirname ${CONFIG})
	fi

	# check for opts
	case $1 in
		-n) shift; opts=" -n" ;;
		-e) shift; opts=" -e" ;;
	esac

	echo ${opts} "$@" >> ${CONFIG}
}

# creates or clears a configuration file defined by the $CONFIG variable
# CONFIG="/etc/conf.d/mcore" clearconfig
clearconfig()
{
	if [[ -z ${CONFIG} ]]
	then
		eecho "You must define \$CONFIG varibale first!"
		return 1
	fi

	if [[ ! -d $(dirname ${CONFIG}) ]]
	then
		install -d $(dirname ${CONFIG})
	fi
	: > ${CONFIG}
}

# root is not allowed to run progs in a user session with newer xorg-servers
# this wrapper runs a command in the xsession of the unpriv_user
x11runas()
{
	if [[ -n $(pidof X) ]] || [[ -n $(pidof Xorg) ]] || [[ -n $(pidof Xorg.bin) ]]
	then
		su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@"
	fi
}

# no_duplicate $list $item
no_duplicate()
{
	local i
	local list="$1"
	local item="$2"

	for i in ${list}
	do
		[[ ${i} = ${item} ]] && return 1
	done

	return 0
}

# checks if given path is empty
path_not_empty()
{
	local path="$1"
	[[ -z ${path} ]] && eecho "path_not_empty(): no path given!" && return 1

	# return ERR if path does not exist
	[[ ! -d ${path} ]] && return 1
	# return ERR if path empty
	[[ -z $(find "${path}" -mindepth 1 -maxdepth 1) ]] && return 1

	# every thing went ok, directory not empty
	return 0
}

# list all files in a given directory
list_files_in_directory()
{
	local i
	local retval
	local path
	local opts
	local type

	# basic getops
	for i in $*
	do
		case $1 in
			-mindepth) shift; opts+=" -mindepth $1" ;;
			-maxdepth) shift; opts+=" -maxdepth $1" ;;
			-type) shift; type="$1" ;;
			-name) shift; opts+=" -name $1" ;;
			'') continue ;;
			*) path="$1" ;;
		esac
		shift
	done

	if [[ -z ${path} ]]
	then
		eecho "No path given."
		return 1
	fi

	if [[ ! -d ${path} ]]
	then
		eecho "Directory '${path}' does not exist."
		return 1
	fi

	# default to files
	[[ -z ${type} ]] && type=f

	for i in $(find ${path} ${opts} -type ${type} -printf '%f\n' | sort)
	do
		if [[ -z ${retval} ]]
		then
			retval="${i}"
		else
			retval+=" ${i}"
		fi
	done

	rvecho "${retval}"
}

# runs a command in the chroot of $MROOT
system_chroot()
{
	local cmd="$@"
	if [[ -z ${MROOT} ]]
	then
		echo "system_chroot(): \$MROOT was not set, doing nothing!"
		return 1
	fi
	if [ ! -d ${MROOT} ]
	then
		eecho "system_chroot(): MROOT='${MROOT}' does not exist."
		return 1
	fi

	chroot ${MROOT} ${cmd}
}

# gets interface used to reach given ip
iface_for_remote_addr()
{
	set -- $(ip -o route get to $1)
	echo $5
}

# get ip from dns name
dns_to_ip()
{
	set -- $(getent hosts $1)
	echo $1
}

iface_for_ip()
{
	set -- $(ip -o addr show to $1)
	echo $2
}

iface_for_mac()
{
	local interface="" mac="$(echo $1 | sed 'y/ABCDEF/abcdef/')"
	for interface in /sys/class/net/*; do
		if [ $(cat $interface/address) = "$mac" ]; then
			echo ${interface##*/}
		fi
	done
}

mac_for_iface()
{
	local iface="$1"
	if [ -f /sys/class/net/${iface}/address ]
	then
		cat /sys/class/net/${iface}/address
	fi
}

certificate_fingerprint()
{
	local cert_fingerprint
	local retval

	if [[ ! -f ${MCORE_CERT_FILE} ]]
	then
		eecho "MCORE_CERT_FILE '${MCORE_CERT_FILE}' does not exist."
		return 1
	fi

	cert_fingerprint=$(openssl x509 -noout -modulus -in "${MCORE_CERT_FILE}" | openssl sha1 | sed 's:(stdin)=\ ::')
	retval="$?"

	if [[ ${retval} != 0 ]]
	then
		eecho "Error '${retval}' while generating cert_fingerprint."
		return 1
	fi

	if [[ -z ${cert_fingerprint} ]]
	then
		eecho "Error: cert_fingerprint is empty"
		return 1
	else
		echo "${cert_fingerprint}"
	fi
}

key_fingerprint()
{
	local key_fingerprint
	local retval

	if [[ ! -f ${MCORE_KEY_FILE} ]]
	then
		eecho "MCORE_KEY_FILE '${MCORE_KEY_FILE}' does not exist."
		return 1
	fi

	key_fingerprint=$(openssl rsa -noout -modulus -in "${MCORE_KEY_FILE}" | openssl sha1 | sed 's:(stdin)=\ ::')
	retval="$?"

	if [[ ${retval} != 0 ]]
	then
		eecho "Error '${retval}' while generating key_fingerprint."
		return 1
	fi

	if [[ -z ${key_fingerprint} ]]
	then
		eecho "Error: key_fingerprint is empty"
		return 1
	else
		echo "${key_fingerprint}"
	fi
}

nsslsay()
{
	nssl "${SSLSAY_IP}" "${SSLSAY_PORT}" << EOF
auth ${SSLSAY_USER} ${SSLSAY_PASS}
$@
quit
EOF
}

nsslsay_fingerprint()
{
	nssl "${SSLSAY_IP}" "${SSLSAY_PORT}" << EOF
certauth $(certificate_fingerprint)
$@
quit
EOF
}

nsslsay_queue_init()
{
	SSLSAY_QUEUE=()
}

nsslsay_queue_add()
{
	SSLSAY_QUEUE+=( "$@" )
}

nsslsay_queue_print()
{
	local count
	local i

	count="${#SSLSAY_QUEUE[*]}"
	for ((i=0; i < count; i++))
	do
		echo "${SSLSAY_QUEUE[${i}]}"
	done
}

nsslsay_queue_run()
{
	nsslsay "$(nsslsay_queue_print)"
}

nsslsay_queue_run_fingerprint()
{
	nsslsay_fingerprint "$(nsslsay_queue_print)"
}
1	niro	2140	# $Id$
2
3			# message only echo \| disabled in quiet mode
4			mecho()
5			{
6			local COLCYAN="\033[1;36m"
7			local COLDEFAULT="\033[0m"
8			local opts
9			local webcrlf
10
11			# print nothing if quiet mode was requested
12	niro	2479	[[ ${QUIET} = 1 ]] && return
13	niro	2140
14	niro	2479	if [[ ${NOCOLORS} = 1 ]]
15	niro	2140	then
16			COLCYAN=""
17			COLDEFAULT=""
18			fi
19
20	niro	2479	[[ ${WEBCRLF} = 1 ]] && webcrlf="<br>"
21	niro	2140
22			# respect -n
23			case $1 in
24			-n) shift; opts="n" ;;
25			esac
26
27			echo -e${opts} "${COLCYAN}$@${COLDEFAULT}${webcrlf}"
28			}
29
30			# prints error messages \| enabled even in quiet mode
31			eecho()
32			{
33			local COLRED="\033[1;31m"
34			local COLDEFAULT="\033[0m"
35			local opts
36			local webcrlf
37
38	niro	2479	if [[ ${NOCOLORS} = 1 ]]
39	niro	2140	then
40			COLRED=""
41			COLDEFAULT=""
42			fi
43
44	niro	2479	[[ ${WEBCRLF} = 1 ]] && webcrlf="<br>"
45	niro	2140
46			# respect -n
47			case $1 in
48			-n) shift; opts="n" ;;
49			esac
50
51	niro	2631	# echo to stderr
52			echo -e${opts} "${COLRED}$@${COLDEFAULT}${webcrlf}" 1>&2
53	niro	2140	}
54
55			# prints return values of get \| enabled even in quiet mode
56			rvecho()
57			{
58			local COLPURPLE="\033[1;35m"
59			local COLDEFAULT="\033[0m"
60			local opts
61			local webcrlf
62
63	niro	2479	if [[ ${NOCOLORS} = 1 ]]
64	niro	2140	then
65			COLPURPLE=""
66			COLDEFAULT=""
67			fi
68
69	niro	2479	[[ ${WEBCRLF} = 1 ]] && webcrlf="<br>"
70	niro	2140
71			# respect -n
72			case $1 in
73			-n) shift; opts="n" ;;
74			esac
75
76			echo -e${opts} "${COLPURPLE}$@${COLDEFAULT}${webcrlf}"
77			}
78
79			# prints debug messages if requested \| enabled even in quiet mode
80			decho()
81			{
82			# print nothing if debug mode was not requested
83			[[ ${DEBUG} != 1 ]] && return
84
85			eecho "DEBUG: ${@}"
86			}
87
88	niro	2257	# source a file with debug information
89			include()
90			{
91			local retval
92
93			if [ -f $@ ]
94			then
95			decho "including '$@'"
96			source $@
97			retval=$?
98			else
99			decho "include: '$@' not found"
100			retval=1
101			fi
102
103			return ${retval}
104			}
105
106	niro	2140	# adds a line to a configuration file defined by the $CONFIG variable
107			# $CONFIG="/etc/conf.d/mcore" addconfig 'LIBDIR="/usr/lib"'
108			addconfig()
109			{
110			local opts
111
112			if [[ -z ${CONFIG} ]]
113			then
114			eecho "You must define \$CONFIG varibale first!"
115			return 1
116			fi
117
118			if [[ ! -d $(dirname ${CONFIG}) ]]
119			then
120			install -d $(dirname ${CONFIG})
121			fi
122
123			# check for opts
124			case $1 in
125			-n) shift; opts=" -n" ;;
126			-e) shift; opts=" -e" ;;
127			esac
128
129			echo ${opts} "$@" >> ${CONFIG}
130			}
131
132			# creates or clears a configuration file defined by the $CONFIG variable
133			# CONFIG="/etc/conf.d/mcore" clearconfig
134			clearconfig()
135			{
136			if [[ -z ${CONFIG} ]]
137			then
138			eecho "You must define \$CONFIG varibale first!"
139			return 1
140			fi
141
142			if [[ ! -d $(dirname ${CONFIG}) ]]
143			then
144			install -d $(dirname ${CONFIG})
145			fi
146			: > ${CONFIG}
147			}
148
149			# root is not allowed to run progs in a user session with newer xorg-servers
150			# this wrapper runs a command in the xsession of the unpriv_user
151			x11runas()
152			{
153	niro	2632	if [[ -n $(pidof X) ]] \|\| [[ -n $(pidof Xorg) ]] \|\| [[ -n $(pidof Xorg.bin) ]]
154	niro	2140	then
155	niro	2351	su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@"
156	niro	2140	fi
157			}
158
159			# no_duplicate $list $item
160			no_duplicate()
161			{
162			local i
163			local list="$1"
164			local item="$2"
165
166			for i in ${list}
167			do
168			[[ ${i} = ${item} ]] && return 1
169			done
170
171			return 0
172			}
173
174			# checks if given path is empty
175			path_not_empty()
176			{
177			local path="$1"
178			[[ -z ${path} ]] && eecho "path_not_empty(): no path given!" && return 1
179
180			# return ERR if path does not exist
181			[[ ! -d ${path} ]] && return 1
182			# return ERR if path empty
183			[[ -z $(find "${path}" -mindepth 1 -maxdepth 1) ]] && return 1
184
185			# every thing went ok, directory not empty
186			return 0
187			}
188
189			# list all files in a given directory
190			list_files_in_directory()
191			{
192			local i
193			local retval
194			local path
195			local opts
196			local type
197
198			# basic getops
199			for i in $*
200			do
201			case $1 in
202			-mindepth) shift; opts+=" -mindepth $1" ;;
203			-maxdepth) shift; opts+=" -maxdepth $1" ;;
204			-type) shift; type="$1" ;;
205			-name) shift; opts+=" -name $1" ;;
206			'') continue ;;
207			*) path="$1" ;;
208			esac
209			shift
210			done
211
212			if [[ -z ${path} ]]
213			then
214			eecho "No path given."
215			return 1
216			fi
217
218			if [[ ! -d ${path} ]]
219			then
220			eecho "Directory '${path}' does not exist."
221			return 1
222			fi
223
224			# default to files
225			[[ -z ${type} ]] && type=f
226
227			for i in $(find ${path} ${opts} -type ${type} -printf '%f\n' \| sort)
228			do
229			if [[ -z ${retval} ]]
230			then
231			retval="${i}"
232			else
233			retval+=" ${i}"
234			fi
235			done
236
237			rvecho "${retval}"
238			}
239
240			# runs a command in the chroot of $MROOT
241			system_chroot()
242			{
243			local cmd="$@"
244			if [[ -z ${MROOT} ]]
245			then
246			echo "system_chroot(): \$MROOT was not set, doing nothing!"
247			return 1
248			fi
249			if [ ! -d ${MROOT} ]
250			then
251			eecho "system_chroot(): MROOT='${MROOT}' does not exist."
252			return 1
253			fi
254
255			chroot ${MROOT} ${cmd}
256			}
257	niro	2407
258			# gets interface used to reach given ip
259			iface_for_remote_addr()
260			{
261			set -- $(ip -o route get to $1)
262			echo $5
263			}
264
265			# get ip from dns name
266			dns_to_ip()
267			{
268			set -- $(getent hosts $1)
269			echo $1
270			}
271	niro	2420
272			iface_for_ip()
273			{
274			set -- $(ip -o addr show to $1)
275			echo $2
276			}
277
278			iface_for_mac()
279			{
280			local interface="" mac="$(echo $1 \| sed 'y/ABCDEF/abcdef/')"
281			for interface in /sys/class/net/*; do
282			if [ $(cat $interface/address) = "$mac" ]; then
283			echo ${interface##*/}
284			fi
285			done
286			}
287
288			mac_for_iface()
289			{
290			local iface="$1"
291			if [ -f /sys/class/net/${iface}/address ]
292			then
293			cat /sys/class/net/${iface}/address
294			fi
295			}
296	niro	2428
297			certificate_fingerprint()
298			{
299			local cert_fingerprint
300			local retval
301
302			if [[ ! -f ${MCORE_CERT_FILE} ]]
303			then
304			eecho "MCORE_CERT_FILE '${MCORE_CERT_FILE}' does not exist."
305			return 1
306			fi
307
308			cert_fingerprint=$(openssl x509 -noout -modulus -in "${MCORE_CERT_FILE}" \| openssl sha1 \| sed 's:(stdin)=\ ::')
309			retval="$?"
310
311			if [[ ${retval} != 0 ]]
312			then
313			eecho "Error '${retval}' while generating cert_fingerprint."
314			return 1
315			fi
316
317			if [[ -z ${cert_fingerprint} ]]
318			then
319			eecho "Error: cert_fingerprint is empty"
320			return 1
321			else
322			echo "${cert_fingerprint}"
323			fi
324			}
325
326			key_fingerprint()
327			{
328			local key_fingerprint
329			local retval
330
331			if [[ ! -f ${MCORE_KEY_FILE} ]]
332			then
333			eecho "MCORE_KEY_FILE '${MCORE_KEY_FILE}' does not exist."
334			return 1
335			fi
336
337			key_fingerprint=$(openssl rsa -noout -modulus -in "${MCORE_KEY_FILE}" \| openssl sha1 \| sed 's:(stdin)=\ ::')
338			retval="$?"
339
340			if [[ ${retval} != 0 ]]
341			then
342			eecho "Error '${retval}' while generating key_fingerprint."
343			return 1
344			fi
345
346			if [[ -z ${key_fingerprint} ]]
347			then
348			eecho "Error: key_fingerprint is empty"
349			return 1
350			else
351			echo "${key_fingerprint}"
352			fi
353			}
354
355	niro	2429	nsslsay()
356			{
357			nssl "${SSLSAY_IP}" "${SSLSAY_PORT}" << EOF
358			auth ${SSLSAY_USER} ${SSLSAY_PASS}
359			$@
360			quit
361			EOF
362			}
363
364			nsslsay_fingerprint()
365			{
366			nssl "${SSLSAY_IP}" "${SSLSAY_PORT}" << EOF
367			certauth $(certificate_fingerprint)
368			$@
369			quit
370			EOF
371			}
372	niro	2485
373			nsslsay_queue_init()
374			{
375			SSLSAY_QUEUE=()
376			}
377
378			nsslsay_queue_add()
379			{
380			SSLSAY_QUEUE+=( "$@" )
381			}
382
383			nsslsay_queue_print()
384			{
385			local count
386			local i
387
388			count="${#SSLSAY_QUEUE[*]}"
389			for ((i=0; i < count; i++))
390			do
391			echo "${SSLSAY_QUEUE[${i}]}"
392			done
393			}
394
395			nsslsay_queue_run()
396			{
397			nsslsay "$(nsslsay_queue_print)"
398			}
399
400			nsslsay_queue_run_fingerprint()
401			{
402			nsslsay_fingerprint "$(nsslsay_queue_print)"
403			}