Annotation of /mcore-src/trunk/mcore-tools/src/include/common.global.class.in
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Revision 2817 -
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Wed Apr 12 13:21:50 2017 UTC (7 years, 1 month ago) by niro
File size: 7806 byte(s)
Wed Apr 12 13:21:50 2017 UTC (7 years, 1 month ago) by niro
File size: 7806 byte(s)
-fixed iface_for_remote_addr(), honor routes with and without a gateway
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 $1 in | ||
48 | -n) shift; opts="n" ;; | ||
49 | esac | ||
50 | |||
51 | niro | 2637 | echo -e${opts} "${COLRED}$@${COLDEFAULT}${webcrlf}" |
52 | niro | 2140 | } |
53 | |||
54 | # prints return values of get | enabled even in quiet mode | ||
55 | rvecho() | ||
56 | { | ||
57 | local COLPURPLE="\033[1;35m" | ||
58 | local COLDEFAULT="\033[0m" | ||
59 | local opts | ||
60 | local webcrlf | ||
61 | |||
62 | niro | 2479 | if [[ ${NOCOLORS} = 1 ]] |
63 | niro | 2140 | then |
64 | COLPURPLE="" | ||
65 | COLDEFAULT="" | ||
66 | fi | ||
67 | |||
68 | niro | 2479 | [[ ${WEBCRLF} = 1 ]] && webcrlf="<br>" |
69 | niro | 2140 | |
70 | # respect -n | ||
71 | case $1 in | ||
72 | -n) shift; opts="n" ;; | ||
73 | esac | ||
74 | |||
75 | echo -e${opts} "${COLPURPLE}$@${COLDEFAULT}${webcrlf}" | ||
76 | } | ||
77 | |||
78 | # prints debug messages if requested | enabled even in quiet mode | ||
79 | decho() | ||
80 | { | ||
81 | # print nothing if debug mode was *not* requested | ||
82 | [[ ${DEBUG} != 1 ]] && return | ||
83 | |||
84 | eecho "DEBUG: ${@}" | ||
85 | } | ||
86 | |||
87 | niro | 2257 | # source a file with debug information |
88 | include() | ||
89 | { | ||
90 | local retval | ||
91 | |||
92 | if [ -f $@ ] | ||
93 | then | ||
94 | decho "including '$@'" | ||
95 | source $@ | ||
96 | retval=$? | ||
97 | else | ||
98 | decho "include: '$@' not found" | ||
99 | retval=1 | ||
100 | fi | ||
101 | |||
102 | return ${retval} | ||
103 | } | ||
104 | |||
105 | niro | 2140 | # adds a line to a configuration file defined by the $CONFIG variable |
106 | # $CONFIG="/etc/conf.d/mcore" addconfig 'LIBDIR="/usr/lib"' | ||
107 | addconfig() | ||
108 | { | ||
109 | local opts | ||
110 | |||
111 | if [[ -z ${CONFIG} ]] | ||
112 | then | ||
113 | eecho "You must define \$CONFIG varibale first!" | ||
114 | return 1 | ||
115 | fi | ||
116 | |||
117 | if [[ ! -d $(dirname ${CONFIG}) ]] | ||
118 | then | ||
119 | install -d $(dirname ${CONFIG}) | ||
120 | fi | ||
121 | |||
122 | # check for opts | ||
123 | case $1 in | ||
124 | -n) shift; opts=" -n" ;; | ||
125 | -e) shift; opts=" -e" ;; | ||
126 | esac | ||
127 | |||
128 | echo ${opts} "$@" >> ${CONFIG} | ||
129 | } | ||
130 | |||
131 | # creates or clears a configuration file defined by the $CONFIG variable | ||
132 | # CONFIG="/etc/conf.d/mcore" clearconfig | ||
133 | clearconfig() | ||
134 | { | ||
135 | if [[ -z ${CONFIG} ]] | ||
136 | then | ||
137 | eecho "You must define \$CONFIG varibale first!" | ||
138 | return 1 | ||
139 | fi | ||
140 | |||
141 | if [[ ! -d $(dirname ${CONFIG}) ]] | ||
142 | then | ||
143 | install -d $(dirname ${CONFIG}) | ||
144 | fi | ||
145 | : > ${CONFIG} | ||
146 | } | ||
147 | |||
148 | # root is not allowed to run progs in a user session with newer xorg-servers | ||
149 | # this wrapper runs a command in the xsession of the unpriv_user | ||
150 | x11runas() | ||
151 | { | ||
152 | niro | 2632 | if [[ -n $(pidof X) ]] || [[ -n $(pidof Xorg) ]] || [[ -n $(pidof Xorg.bin) ]] |
153 | niro | 2140 | then |
154 | niro | 2351 | su - "${MCORE_UNPRIV_USER}" -c "DISPLAY=${MCORE_XORG_DISPLAY} $@" |
155 | niro | 2633 | else |
156 | decho "x11runas(): No running X, Xorg or Xorg.bin process found" | ||
157 | niro | 2140 | fi |
158 | } | ||
159 | |||
160 | # no_duplicate $list $item | ||
161 | no_duplicate() | ||
162 | { | ||
163 | local i | ||
164 | local list="$1" | ||
165 | local item="$2" | ||
166 | |||
167 | for i in ${list} | ||
168 | do | ||
169 | [[ ${i} = ${item} ]] && return 1 | ||
170 | done | ||
171 | |||
172 | return 0 | ||
173 | } | ||
174 | |||
175 | # checks if given path is empty | ||
176 | path_not_empty() | ||
177 | { | ||
178 | local path="$1" | ||
179 | [[ -z ${path} ]] && eecho "path_not_empty(): no path given!" && return 1 | ||
180 | |||
181 | # return ERR if path does not exist | ||
182 | [[ ! -d ${path} ]] && return 1 | ||
183 | # return ERR if path empty | ||
184 | [[ -z $(find "${path}" -mindepth 1 -maxdepth 1) ]] && return 1 | ||
185 | |||
186 | # every thing went ok, directory not empty | ||
187 | return 0 | ||
188 | } | ||
189 | |||
190 | # list all files in a given directory | ||
191 | list_files_in_directory() | ||
192 | { | ||
193 | local i | ||
194 | local retval | ||
195 | local path | ||
196 | local opts | ||
197 | local type | ||
198 | |||
199 | # basic getops | ||
200 | for i in $* | ||
201 | do | ||
202 | case $1 in | ||
203 | -mindepth) shift; opts+=" -mindepth $1" ;; | ||
204 | -maxdepth) shift; opts+=" -maxdepth $1" ;; | ||
205 | -type) shift; type="$1" ;; | ||
206 | -name) shift; opts+=" -name $1" ;; | ||
207 | '') continue ;; | ||
208 | *) path="$1" ;; | ||
209 | esac | ||
210 | shift | ||
211 | done | ||
212 | |||
213 | if [[ -z ${path} ]] | ||
214 | then | ||
215 | eecho "No path given." | ||
216 | return 1 | ||
217 | fi | ||
218 | |||
219 | if [[ ! -d ${path} ]] | ||
220 | then | ||
221 | eecho "Directory '${path}' does not exist." | ||
222 | return 1 | ||
223 | fi | ||
224 | |||
225 | # default to files | ||
226 | [[ -z ${type} ]] && type=f | ||
227 | |||
228 | for i in $(find ${path} ${opts} -type ${type} -printf '%f\n' | sort) | ||
229 | do | ||
230 | if [[ -z ${retval} ]] | ||
231 | then | ||
232 | retval="${i}" | ||
233 | else | ||
234 | retval+=" ${i}" | ||
235 | fi | ||
236 | done | ||
237 | |||
238 | rvecho "${retval}" | ||
239 | } | ||
240 | |||
241 | # runs a command in the chroot of $MROOT | ||
242 | system_chroot() | ||
243 | { | ||
244 | local cmd="$@" | ||
245 | if [[ -z ${MROOT} ]] | ||
246 | then | ||
247 | echo "system_chroot(): \$MROOT was not set, doing nothing!" | ||
248 | return 1 | ||
249 | fi | ||
250 | if [ ! -d ${MROOT} ] | ||
251 | then | ||
252 | eecho "system_chroot(): MROOT='${MROOT}' does not exist." | ||
253 | return 1 | ||
254 | fi | ||
255 | |||
256 | chroot ${MROOT} ${cmd} | ||
257 | } | ||
258 | niro | 2407 | |
259 | # gets interface used to reach given ip | ||
260 | iface_for_remote_addr() | ||
261 | { | ||
262 | set -- $(ip -o route get to $1) | ||
263 | niro | 2817 | # honor routes with and without a gateway |
264 | case $@ in | ||
265 | *via*) echo $5 ;; | ||
266 | *) echo $3 ;; | ||
267 | esac | ||
268 | niro | 2407 | } |
269 | |||
270 | niro | 2809 | validate_ip_addr() |
271 | { | ||
272 | local ip="$1" | ||
273 | local retval=1 | ||
274 | local _ifs | ||
275 | |||
276 | if [[ ${ip} =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]] | ||
277 | then | ||
278 | _ifs=$IFS | ||
279 | IFS='.' | ||
280 | # convert to an array | ||
281 | ip=($ip) | ||
282 | IFS=$_ifs | ||
283 | |||
284 | if [[ ${ip[0]} -le 255 ]] && | ||
285 | [[ ${ip[1]} -le 255 ]] && | ||
286 | [[ ${ip[2]} -le 255 ]] && | ||
287 | [[ ${ip[3]} -le 255 ]] | ||
288 | then | ||
289 | retval=$? | ||
290 | fi | ||
291 | fi | ||
292 | |||
293 | return ${retval} | ||
294 | } | ||
295 | |||
296 | niro | 2407 | # get ip from dns name |
297 | dns_to_ip() | ||
298 | { | ||
299 | niro | 2809 | if ! validate_ip_addr $1 |
300 | then | ||
301 | set -- $(getent hosts $1) | ||
302 | fi | ||
303 | niro | 2407 | echo $1 |
304 | } | ||
305 | niro | 2420 | |
306 | iface_for_ip() | ||
307 | { | ||
308 | set -- $(ip -o addr show to $1) | ||
309 | echo $2 | ||
310 | } | ||
311 | |||
312 | iface_for_mac() | ||
313 | { | ||
314 | local interface="" mac="$(echo $1 | sed 'y/ABCDEF/abcdef/')" | ||
315 | for interface in /sys/class/net/*; do | ||
316 | if [ $(cat $interface/address) = "$mac" ]; then | ||
317 | echo ${interface##*/} | ||
318 | fi | ||
319 | done | ||
320 | } | ||
321 | |||
322 | mac_for_iface() | ||
323 | { | ||
324 | local iface="$1" | ||
325 | if [ -f /sys/class/net/${iface}/address ] | ||
326 | then | ||
327 | cat /sys/class/net/${iface}/address | ||
328 | fi | ||
329 | } | ||
330 | niro | 2428 | |
331 | certificate_fingerprint() | ||
332 | { | ||
333 | local cert_fingerprint | ||
334 | local retval | ||
335 | |||
336 | if [[ ! -f ${MCORE_CERT_FILE} ]] | ||
337 | then | ||
338 | eecho "MCORE_CERT_FILE '${MCORE_CERT_FILE}' does not exist." | ||
339 | return 1 | ||
340 | fi | ||
341 | |||
342 | cert_fingerprint=$(openssl x509 -noout -modulus -in "${MCORE_CERT_FILE}" | openssl sha1 | sed 's:(stdin)=\ ::') | ||
343 | retval="$?" | ||
344 | |||
345 | if [[ ${retval} != 0 ]] | ||
346 | then | ||
347 | eecho "Error '${retval}' while generating cert_fingerprint." | ||
348 | return 1 | ||
349 | fi | ||
350 | |||
351 | if [[ -z ${cert_fingerprint} ]] | ||
352 | then | ||
353 | eecho "Error: cert_fingerprint is empty" | ||
354 | return 1 | ||
355 | else | ||
356 | echo "${cert_fingerprint}" | ||
357 | fi | ||
358 | } | ||
359 | |||
360 | key_fingerprint() | ||
361 | { | ||
362 | local key_fingerprint | ||
363 | local retval | ||
364 | |||
365 | if [[ ! -f ${MCORE_KEY_FILE} ]] | ||
366 | then | ||
367 | eecho "MCORE_KEY_FILE '${MCORE_KEY_FILE}' does not exist." | ||
368 | return 1 | ||
369 | fi | ||
370 | |||
371 | key_fingerprint=$(openssl rsa -noout -modulus -in "${MCORE_KEY_FILE}" | openssl sha1 | sed 's:(stdin)=\ ::') | ||
372 | retval="$?" | ||
373 | |||
374 | if [[ ${retval} != 0 ]] | ||
375 | then | ||
376 | eecho "Error '${retval}' while generating key_fingerprint." | ||
377 | return 1 | ||
378 | fi | ||
379 | |||
380 | if [[ -z ${key_fingerprint} ]] | ||
381 | then | ||
382 | eecho "Error: key_fingerprint is empty" | ||
383 | return 1 | ||
384 | else | ||
385 | echo "${key_fingerprint}" | ||
386 | fi | ||
387 | } | ||
388 | |||
389 | niro | 2429 | nsslsay() |
390 | { | ||
391 | nssl "${SSLSAY_IP}" "${SSLSAY_PORT}" << EOF | ||
392 | auth ${SSLSAY_USER} ${SSLSAY_PASS} | ||
393 | $@ | ||
394 | quit | ||
395 | EOF | ||
396 | } | ||
397 | |||
398 | nsslsay_fingerprint() | ||
399 | { | ||
400 | nssl "${SSLSAY_IP}" "${SSLSAY_PORT}" << EOF | ||
401 | certauth $(certificate_fingerprint) | ||
402 | $@ | ||
403 | quit | ||
404 | EOF | ||
405 | } | ||
406 | niro | 2485 | |
407 | nsslsay_queue_init() | ||
408 | { | ||
409 | SSLSAY_QUEUE=() | ||
410 | } | ||
411 | |||
412 | nsslsay_queue_add() | ||
413 | { | ||
414 | SSLSAY_QUEUE+=( "$@" ) | ||
415 | } | ||
416 | |||
417 | nsslsay_queue_print() | ||
418 | { | ||
419 | local count | ||
420 | local i | ||
421 | |||
422 | count="${#SSLSAY_QUEUE[*]}" | ||
423 | for ((i=0; i < count; i++)) | ||
424 | do | ||
425 | echo "${SSLSAY_QUEUE[${i}]}" | ||
426 | done | ||
427 | } | ||
428 | |||
429 | nsslsay_queue_run() | ||
430 | { | ||
431 | nsslsay "$(nsslsay_queue_print)" | ||
432 | } | ||
433 | |||
434 | nsslsay_queue_run_fingerprint() | ||
435 | { | ||
436 | nsslsay_fingerprint "$(nsslsay_queue_print)" | ||
437 | } | ||
438 | niro | 2767 | |
439 | # read_cmdline "$variable" | ||
440 | # eg: read_cmdline "lang=" | ||
441 | # returns the value of the cmdline variable lang | ||
442 | # eg: read_cmdline "rd.info" | ||
443 | # returns bool 1 if the variable was defined | ||
444 | # | ||
445 | read_cmdline() | ||
446 | { | ||
447 | local variable="$1" | ||
448 | local retval | ||
449 | local i | ||
450 | |||
451 | if [[ -z ${variable} ]] | ||
452 | then | ||
453 | eecho "no variable given" | ||
454 | return 1 | ||
455 | fi | ||
456 | |||
457 | if [ ! -e /proc/cmdline ] | ||
458 | then | ||
459 | eecho "read_cmdline(): /proc/cmdline does not exists" | ||
460 | return 1 | ||
461 | fi | ||
462 | |||
463 | for i in $(</proc/cmdline) | ||
464 | do | ||
465 | if [[ ${i} = ${variable}* ]] | ||
466 | then | ||
467 | case ${variable} in | ||
468 | *=*) retval="${i#*=}" ;; | ||
469 | *) retval=1 ;; # bool | ||
470 | esac | ||
471 | fi | ||
472 | done | ||
473 | |||
474 | echo "${retval}" | ||
475 | return 0 | ||
476 | } |