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Commit | Line | Data |
---|---|---|
356d834b | 1 | #!/bin/sh - keep it for file(1) to get bourne shell script result |
b0443108 | 2 | # |
ec8b15cb | 3 | # $Id$ |
5e6dfc29 | 4 | # |
7e04fe0e | 5 | # This is not a shell script; it provides functions to network scripts |
6 | # that source it. | |
7 | ||
8 | source_config () | |
9 | { | |
944d6d80 | 10 | local foundconfig=0 |
d30d98d4 | 11 | |
01e7134e ER |
12 | DEVNAME=${CONFIG##*/} |
13 | DEVNAME=${DEVNAME##ifcfg-} | |
14 | DEVNAME=${DEVNAME##tnlcfg-} | |
5e6dfc29 | 15 | |
1377630a | 16 | if [[ "$CONFIG" = /* ]]; then |
d36ee0fb | 17 | if [ -f "$CONFIG" ]; then |
5e6dfc29 | 18 | . "$CONFIG" |
d30d98d4 | 19 | foundconfig=1 |
5e6dfc29 | 20 | fi |
d36ee0fb | 21 | elif [ -f "/etc/sysconfig/interfaces/$CONFIG" ]; then |
5e6dfc29 | 22 | . "/etc/sysconfig/interfaces/$CONFIG" |
d30d98d4 | 23 | foundconfig=1 |
5e6dfc29 | 24 | fi |
d100991e ER |
25 | |
26 | # This is sanity check so that if you've copied ifcfg-eth0 to ifcfg-eth1 | |
27 | # and forgot to alter DEVICE= line you won't accidentally bring down eth0 | |
d30d98d4 AM |
28 | # while executing ifdown eth1. We do that only if configuration file exists |
29 | # (sometimes ifcfg-xyz isn't needed at all like server-side pppoe pppX interfaces) | |
8413b103 | 30 | if [ "$foundconfig" -eq "1" -a "$DEVICE" -a "$DEVNAME" != "$DEVICE" ]; then |
d100991e ER |
31 | echo >&2 "$0: DEVICE specified in $CONFIG does not match filename. Aborting!" |
32 | exit 1 | |
33 | fi | |
34 | ||
8d92f4e5 | 35 | if [ "${PREFIX}" ] && [[ "$IPADDR" != */* ]]; then |
5e6dfc29 JR |
36 | IPADDR="$IPADDR/$PREFIX" |
37 | fi | |
7e04fe0e | 38 | } |
39 | ||
40 | do_netreport () | |
41 | { | |
5e6dfc29 JR |
42 | # Notify programs that have requested notification |
43 | ( cd /var/run/netreport || exit | |
ac2433c4 | 44 | for i in *; do |
5e6dfc29 JR |
45 | [ -f $i ] && kill -SIGIO $i >/dev/null 2>&1 || \ |
46 | rm -f $i >/dev/null 2>&1 | |
47 | done | |
48 | ) | |
7e04fe0e | 49 | } |
50 | ||
51 | need_hostname() | |
52 | { | |
5411f833 | 53 | local hostname=$(hostname) |
ac2433c4 | 54 | if [ "$hostname" = "(none)" -o "$hostname" = "localhost" -o "$hostname" = "localhost.localdomain" ]; then |
5e6dfc29 JR |
55 | NEEDHOSTNAME=yes |
56 | else | |
57 | unset NEEDHOSTNAME | |
58 | fi | |
7e04fe0e | 59 | } |
60 | ||
61 | set_hostname() | |
62 | { | |
944d6d80 | 63 | local hostname domain |
5e6dfc29 JR |
64 | |
65 | hostname=$(echo $1 | awk ' { gsub(/\..*$/,NIL); print $0; } ') | |
66 | domain=$(echo $1 | awk ' { sub(/^[^\.]*\./,NIL); print $0; } ') | |
67 | ||
8d92f4e5 | 68 | if [ "$hostname" ]; then |
5e6dfc29 JR |
69 | echo "$hostname" > /etc/HOSTNAME |
70 | hostname $hostname | |
71 | fi | |
72 | ||
8d92f4e5 | 73 | if [ "$domain" ]; then |
ac2433c4 ER |
74 | # XXX umask and possible /etc/resolv.conf symlink breakage |
75 | > /etc/resolv.conf.new | |
5937edff | 76 | if ! grep -q "search $domain" /etc/resolv.conf; then |
5e6dfc29 JR |
77 | echo "search $domain" >> /etc/resolv.conf.new |
78 | fi | |
79 | echo "domain $domain" >> /etc/resolv.conf.new | |
80 | grep -v "^domain " /etc/resolv.conf >> /etc/resolv.conf.new | |
81 | mv -f /etc/resolv.conf.new /etc/resolv.conf | |
82 | fi | |
7e04fe0e | 83 | } |
84 | ||
f1dba8bc ER |
85 | set_dhcpclient() |
86 | { | |
87 | if [ "$BOOTPROTO" = "bootp" -o "$BOOTPROTO" = "pump" ]; then | |
88 | DHCP_CLIENT=/sbin/pump | |
89 | fi | |
90 | ||
91 | if [ -z "$DHCP_CLIENT" ]; then | |
f3df266c JK |
92 | if [ "$BOOTPROTO" = "zeroconf" -a -x /usr/sbin/avahi-autoipd ]; then |
93 | DHCP_CLIENT=/usr/sbin/avahi-autoipd | |
94 | elif [ -x /sbin/dhcpcd ]; then | |
f1dba8bc ER |
95 | DHCP_CLIENT=/sbin/dhcpcd |
96 | elif [ -x /sbin/dhclient ]; then | |
97 | DHCP_CLIENT=/sbin/dhclient | |
98 | elif [ -x /sbin/dhcpxd ]; then | |
99 | DHCP_CLIENT=/sbin/dhcpxd | |
100 | elif [ -x /sbin/pump ]; then | |
101 | DHCP_CLIENT=/sbin/pump | |
f3df266c JK |
102 | elif [ "$BOOTPROTO" = "auto" -a -x /usr/sbin/avahi-autoipd ]; then |
103 | DHCP_CLIENT=/usr/sbin/avahi-autoipd | |
f1dba8bc | 104 | else |
ac7078fd | 105 | nls "Can't find a DHCP client." |
f1dba8bc ER |
106 | exit 1 |
107 | fi | |
108 | fi | |
109 | } | |
110 | ||
767c8707 AM |
111 | # Setup Network Address Translation (NAT) |
112 | setup_nat() | |
113 | { | |
944d6d80 | 114 | local src via dst |
5e6dfc29 JR |
115 | |
116 | if [ -r /etc/sysconfig/static-nat ]; then | |
117 | if [ "$1" = "on" ]; then | |
118 | grep "^[0-9]" /etc/sysconfig/static-nat | while read src via dst; do | |
119 | /sbin/ip route add nat $dst via $src | |
120 | /sbin/ip rule add from $src nat $dst | |
121 | done | |
122 | elif [ "$1" = "off" ]; then | |
a51d5138 | 123 | LC_ALL=C /sbin/ip route show table all | grep -E "^nat[[:blank:]]" | while read nat dst via src args; do |
5e6dfc29 JR |
124 | /sbin/ip rule del from $src nat $dst |
125 | /sbin/ip route del nat $dst via $src | |
126 | done | |
127 | fi | |
128 | fi | |
767c8707 AM |
129 | } |
130 | ||
fa8aca70 JR |
131 | # Setup static ARP |
132 | static_arp() | |
7e04fe0e | 133 | { |
944d6d80 | 134 | local rc arpdev host hwaddr flags neflags |
5e6dfc29 JR |
135 | |
136 | if is_yes "$STATIC_ARP" && [ -r /etc/ethers ]; then | |
137 | if [ -x /sbin/arp ]; then | |
138 | run_cmd "Setting static ARP entries" /sbin/arp -f /etc/ethers | |
139 | else | |
140 | show "Setting static ARP entries"; busy | |
141 | rc=0 | |
142 | arpdev=$(ip link show | awk -F':' '(/UP/) && ! (/NOARP/) && ! (/lo:/) && ! (/NONE:/) { print $2; exit }') | |
143 | if [ -z "$arpdev" ]; then | |
144 | rc=1 | |
145 | else | |
146 | # ip supports only ip addresses | |
147 | grep "^[0-9]" /etc/ethers | \ | |
148 | while read host hwaddr flags; do | |
149 | case "$flags" in | |
150 | *temp*) | |
151 | neflags="nud stale" | |
152 | ;; | |
153 | *) | |
154 | neflags="nud permanent" | |
155 | ;; | |
156 | esac | |
157 | if ! /sbin/ip neigh add $host lladdr $hwaddr $neflags dev $arpdev; then | |
158 | rc=1 | |
159 | fi | |
160 | done | |
161 | fi | |
162 | if [ "$rc" -gt 0 ]; then | |
163 | fail | |
164 | fi | |
0a6161f2 | 165 | fi |
74a7f2e4 | 166 | fi |
7e04fe0e | 167 | } |
168 | ||
fa8aca70 | 169 | static_rarp() |
7e04fe0e | 170 | { |
5e6dfc29 JR |
171 | if is_yes "$STATIC_RARP"; then |
172 | if [ ! -e /proc/net/rarp ]; then | |
170103c8 | 173 | _modprobe single rarp |
5e6dfc29 JR |
174 | fi |
175 | if [ -r /etc/ethers -a -x /sbin/rarp ]; then | |
176 | run_cmd "Setting static RARP entries" /sbin/rarp -f /etc/ethers | |
177 | fi | |
178 | fi | |
e9e86175 AM |
179 | } |
180 | ||
fa8aca70 JR |
181 | # Set up all IP && IP parameter variables |
182 | setup_ip_param () | |
38198f50 | 183 | { |
5e6dfc29 JR |
184 | # detect network device type (ie. dummy, eth for dummy0, eth0 ..) |
185 | if [ -z "$DEVICETYPE" ]; then | |
14a0605b | 186 | DEVICETYPE=$(echo $DEVICE | awk ' { gsub(/[\.:]?[0-9]*[\.:]?[0-9]*$/,NUL); print $0 } ') |
5e6dfc29 JR |
187 | fi |
188 | ||
189 | # Setup DEVICETYPE for special cases. | |
a51d5138 | 190 | if echo ${DEVICE} | LC_ALL=C grep -qE '^[a-z0-9]+\.[0-9]+$'; then |
5e6dfc29 JR |
191 | DEVICETYPE=vlan |
192 | fi | |
193 | ||
194 | # real name of device (ie. is eth0 for eth0,eth0:1,eth0:alias) | |
a51d5138 | 195 | SUBDEVICE=$(echo "$DEVICE" | grep -E "([0-9]+:[0-9]+)") |
5e6dfc29 JR |
196 | DEVICE=$(echo $DEVICE | awk ' { gsub(/:.*$/,NUL); print $0 } ') |
197 | ||
198 | eval IP4ADDR="\$IPADDR${IP4_PRIM_IF:-}" | |
19196eca ER |
199 | # check if ipaddr doesn't contain network length -- use $NETMASK then |
200 | if [[ "$IP4ADDR" != */* ]] && [ "$NETMASK" ]; then | |
201 | IP4ADDR=$IP4ADDR/$(calcprefix $NETMASK) | |
202 | fi | |
203 | ||
204 | # check if we have ipv6 or ipv4 address | |
205 | if [[ "${IP4ADDR}" = *:* ]]; then | |
5e6dfc29 JR |
206 | IP6ADDR=${IP4ADDR} |
207 | IP4ADDR="" | |
208 | else | |
209 | eval IP4ADDROPT="\$IP_AOPTS${IP4_PRIM_IF:-}" | |
210 | eval IP4ROUTEOPT="\$IP_ROPTS${IP4_PRIM_IF:-}" | |
211 | fi | |
d36ee0fb | 212 | if [ "${IP6_PRIM_IF}" ]; then |
5e6dfc29 JR |
213 | eval IP6ADDR="\$IPADDR${IP6_PRIM_IF:-}" |
214 | eval IP6ADDROPT="\$IPV6_AOPTS${IP6_PRIM_IF:-}" | |
440a9ecf | 215 | eval IP6ADDRLABEL="\$IP_LABEL${IP6_PRIM_IF:-}" |
5e6dfc29 | 216 | fi |
d36ee0fb | 217 | if [ "${IP4_SRC_IF}" ]; then |
5e6dfc29 JR |
218 | eval IP4SRCADDR="\$IPADDR${IP4_SRC_IF}" |
219 | IP4SRCADDR=$(echo ${IP4SRCADDR} | awk ' { gsub(/\/.*/,NIL); print "src " $0; } ') | |
220 | fi | |
5e6dfc29 JR |
221 | |
222 | # new rc-scripts 0.4.x option | |
223 | if [ -z "$HANDLING" ]; then | |
224 | HANDLING=0 | |
225 | fi | |
226 | ||
227 | # set handling for bridge | |
228 | case "$DEVICETYPE" in | |
229 | br|atm|lec|irda|vlan) | |
230 | HANDLING=1 | |
231 | ;; | |
232 | esac | |
74a7f2e4 | 233 | |
5e6dfc29 JR |
234 | # Multicast ready devices |
235 | if is_yes "$MULTICAST"; then | |
236 | MULTICAST="on" | |
237 | else | |
238 | case "$DEVICETYPE" in | |
239 | eth|br) | |
240 | MULTICAST="on" | |
241 | ;; | |
242 | *) | |
243 | MULTICAST="off" | |
244 | ;; | |
245 | esac | |
246 | fi | |
247 | ||
248 | # ARP ready devices | |
d36ee0fb | 249 | if [ "$ARP" ]; then |
5e6dfc29 JR |
250 | if is_yes "$ARP"; then |
251 | ARP="arp on" | |
252 | else | |
253 | ARP="arp off" | |
254 | fi | |
255 | fi | |
38198f50 AM |
256 | } |
257 | ||
fa8aca70 | 258 | check_device_down () |
38198f50 | 259 | { |
ac7078fd | 260 | if LC_ALL=C ip link show dev ${DEVICE} 2> /dev/null | grep -q UP; then |
5e6dfc29 JR |
261 | return 1 |
262 | else | |
263 | return 0 | |
264 | fi | |
38198f50 AM |
265 | } |
266 | ||
5e6dfc29 | 267 | setup_ip_gw_ro () |
38198f50 | 268 | { |
5e6dfc29 JR |
269 | # IPv4 gateway |
270 | if is_yes "$IPV4_NETWORKING"; then | |
271 | if [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${DEVICE}" ]; then | |
272 | # set up default gateway | |
8d92f4e5 | 273 | if [ "${GATEWAY}" ]; then |
b6fb522d ER |
274 | ip -4 route add default via ${GATEWAY} dev ${DEVICE} ${IP4SRCADDR} onlink 2>/dev/null |
275 | if [ $? = 0 ]; then | |
276 | DEFGW=${GATEWAY} | |
277 | else | |
278 | # The default gateway could be set via eth0, while bringing up eth1 we shouldn't set default gateway again. | |
279 | # To prevent this message just set GATEWAYDEV=eth0 in /etc/sysconfig/network. | |
280 | nls "Warning: Default gateway already set proably via other interface. Do you need to setup GATEWAYDEV?" | |
281 | fi | |
5e6dfc29 JR |
282 | elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then |
283 | ip -4 route add default dev ${DEVICE} ${IP4SRCADDR} | |
284 | fi | |
285 | fi | |
286 | fi | |
287 | ||
288 | # IPv6 gateway && IPv6 globalroute | |
289 | if is_yes "$IPV6_NETWORKING"; then | |
290 | if [ -z "${GATEWAY6DEV}" -o "${GATEWAY6DEV}" = "${DEVICE}" ]; then | |
291 | # set up default gateway | |
8d92f4e5 | 292 | if [ "${GATEWAY6}" ]; then |
5e6dfc29 JR |
293 | ip -6 route add default via ${GATEWAY6} dev ${DEVICE} ${IP6SRCADDR} onlink |
294 | DEFGW6=${GATEWAY6} | |
295 | elif [ "${GATEWAY6DEV}" = "${DEVICE}" ]; then | |
296 | ip -6 route add default dev ${DEVICE} ${IP6SRCADDR} | |
297 | fi | |
298 | fi | |
299 | if [ -z "${IPV6_GLOBALROUTEDEV}" -o "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then | |
300 | # set up default route | |
8d92f4e5 | 301 | if [ "${IPV6_GLOBALROUTEGW}" ]; then |
5e6dfc29 JR |
302 | ip -6 route add 2000::/3 via ${IPV6_GLOBALROUTEGW} dev ${DEVICE} ${IP6SRCADDR} onlink |
303 | elif [ "${IPV6_GLOBALROUTEDEV}" = "${DEVICE}" ]; then | |
304 | ip -6 route add 2000::/3 dev ${DEVICE} ${IP6SRCADDR} | |
305 | fi | |
306 | fi | |
307 | fi | |
0a6161f2 | 308 | } |
309 | ||
fa8aca70 JR |
310 | # |
311 | # following function sets up routes not associated to any device | |
312 | # eg. unreachable or blackhole routes | |
ec8b15cb | 313 | # (c) 1999 Jacek Konieczny <jajcus@pld-linux.org> |
fa8aca70 JR |
314 | # |
315 | setup_routes() | |
0a6161f2 | 316 | { |
944d6d80 | 317 | local args |
5e6dfc29 JR |
318 | |
319 | if [ -f /etc/sysconfig/static-routes ]; then | |
d36ee0fb | 320 | if [ "$1" = "on" -o "$1" = "yes" ]; then |
a51d5138 | 321 | grep -E "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do |
5e6dfc29 JR |
322 | /sbin/ip route add $args |
323 | done | |
324 | else | |
a51d5138 | 325 | grep -E "^(none|any)[[:blank:]]" /etc/sysconfig/static-routes | while read device args; do |
5e6dfc29 JR |
326 | /sbin/ip route del $args 2>/dev/null |
327 | done | |
328 | fi | |
329 | fi | |
0a6161f2 | 330 | } |
38198f50 | 331 | |
fa8aca70 JR |
332 | # Add ONLY IPv4 address (IPv6 address is added automaticly) |
333 | set_up_loopback() | |
0a6161f2 | 334 | { |
5e6dfc29 JR |
335 | if is_yes "$IPV4_NETWORKING"; then |
336 | ip addr add 127.0.0.1/8 dev lo | |
337 | fi | |
338 | ip link set dev lo up | |
fa8aca70 JR |
339 | } |
340 | ||
341 | set_down_loopback() | |
342 | { | |
ac7078fd | 343 | LC_ALL=C ip addr flush dev lo 2>&1 | grep -v "Nothing to flush" |
5e6dfc29 | 344 | ip link set dev lo down |
0a6161f2 | 345 | } |
346 | ||
347 | modprobe_net() | |
348 | { | |
405b91ff AM |
349 | if is_yes "$IPV6_NETWORKING" && \ |
350 | [ "$(awk '$1 ~ /^TCPv6/ { print $8 }' /proc/net/protocols 2> /dev/null)" != "kernel" ] && \ | |
351 | is_module "ipv6"; then | |
352 | _modprobe single ipv6 | |
5e6dfc29 | 353 | fi |
fa8aca70 | 354 | |
405b91ff AM |
355 | if is_yes "$IPX" && \ |
356 | [ "$(awk '$1 ~ /^IPX/ { print $8 }' /proc/net/protocols 2> /dev/null)" != "kernel" ] && \ | |
357 | is_module "ipx"; then | |
358 | _modprobe single ipx | |
5e6dfc29 | 359 | fi |
e016cdae | 360 | } |
7e04fe0e | 361 | |
50cd434b | 362 | # calculate network prefix from given network mask |
fa8aca70 JR |
363 | calcprefix() |
364 | { | |
944d6d80 | 365 | local old_IFS netmask prefix endp |
50cd434b JR |
366 | |
367 | old_IFS=$IFS | |
368 | IFS='.' | |
369 | netmask=$(echo $1) | |
370 | IFS=$old_IFS | |
5e6dfc29 JR |
371 | |
372 | prefix=0 | |
50cd434b | 373 | endp=0 |
5937edff TP |
374 | for n in $netmask; do |
375 | for i in 128 64 32 16 8 4 2 1; do | |
50cd434b JR |
376 | if [ $(($n & $i)) -ne 0 ]; then |
377 | if [ $endp -eq 0 ]; then | |
378 | prefix=$(($prefix + 1)) | |
379 | else | |
380 | echo "32" | |
381 | return | |
382 | fi | |
383 | else | |
384 | endp=1 | |
385 | fi | |
386 | done | |
5e6dfc29 | 387 | done |
50cd434b | 388 | echo $prefix |
490f6163 | 389 | } |
85ebccea | 390 | |
08ad08db | 391 | # calculate network mask from given prefix |
5379c9d4 | 392 | # (c) 1999 Grzegorz Stanislawski <stangrze@open.net.pl> |
fa8aca70 JR |
393 | calcnetmask() |
394 | { | |
944d6d80 | 395 | local prefix a MASK |
5e6dfc29 JR |
396 | |
397 | MASK="" | |
8d92f4e5 | 398 | if [ "${1##[0-9]*}" ]; then |
5e6dfc29 JR |
399 | prefix=32 |
400 | else | |
944d6d80 | 401 | prefix=$1 |
5e6dfc29 JR |
402 | fi |
403 | for i in 1 2 3 4; do | |
404 | case $prefix in | |
5937edff TP |
405 | 7) a=254;; |
406 | 6) a=252;; | |
407 | 5) a=248;; | |
408 | 4) a=240;; | |
409 | 3) a=224;; | |
410 | 2) a=192;; | |
411 | 1) a=128;; | |
5e6dfc29 JR |
412 | *) |
413 | [ $prefix -ge 8 ] && a=255 | |
414 | [ $prefix -le 0 ] && a=0 | |
415 | ;; | |
416 | esac | |
417 | ||
418 | prefix="$(( $prefix - 8))" | |
419 | if [ -z "$MASK" ]; then | |
420 | MASK=$a | |
421 | else | |
422 | MASK=$MASK.$a | |
423 | fi | |
424 | done | |
425 | ||
426 | echo $MASK | |
427 | return | |
5379c9d4 | 428 | } |
47dbf68e | 429 | |
dd8b6525 | 430 | # Retrievies PPPD PID and real interface name from /var/run/ppp-*.pid |
5e6dfc29 JR |
431 | get_ppp_device_and_pid () |
432 | { | |
d36ee0fb | 433 | if [ -f "/var/run/ppp-$DEVNAME.pid" ]; then |
bf14fcab JR |
434 | eval $( |
435 | { | |
5937edff TP |
436 | read PID; echo "PID='$PID'" |
437 | read REALDEVICE; echo "REALDEVICE=$REALDEVICE" | |
bf14fcab | 438 | } < "/var/run/ppp-$DEVNAME.pid") |
5e6dfc29 JR |
439 | fi |
440 | ||
d36ee0fb | 441 | if [ -z "$REALDEVICE" ]; then |
5e6dfc29 JR |
442 | REALDEVICE=$DEVICE |
443 | fi | |
dd8b6525 | 444 | } |
c3bd5d9f | 445 | |
e686ef49 | 446 | # following function setups advanced routing rules |
ec8b15cb | 447 | # Olgierd Pieczul <wojrus@pld-linux.org> |
5e6dfc29 JR |
448 | setup_ip_rules () |
449 | { | |
944d6d80 | 450 | local args prio from src |
5e6dfc29 | 451 | |
d36ee0fb | 452 | if [ -f /etc/sysconfig/static-routes ]; then |
5e6dfc29 | 453 | if is_yes "$1"; then |
a51d5138 | 454 | grep -E "^(from|to|iif|tos|fwmark|dev|pref|priority|prio)[[:blank:]]" /etc/sysconfig/static-routes | while read args; do |
5e6dfc29 JR |
455 | /sbin/ip rule add $args |
456 | done | |
457 | elif is_no "$1"; then | |
a51d5138 | 458 | LC_ALL=C /sbin/ip rule show | grep -vE -e "from all lookup (main|default|local) \$" -e " map-to " | while read prio from src args; do |
2eb86030 | 459 | [ "$src" = "all" ] && ip rule delete $args || ip rule delete $from $src $args |
5e6dfc29 JR |
460 | done |
461 | fi | |
462 | fi | |
e686ef49 | 463 | } |
6d145c04 | 464 | |
5e6dfc29 JR |
465 | is_wireless_device () |
466 | { | |
467 | if [ -x /sbin/iwconfig ]; then | |
468 | LC_ALL=C iwconfig "${1}" 2>&1 | grep -q "no wireless extensions" || return 0 | |
469 | fi | |
470 | return 1 | |
a6c22d3d AM |
471 | } |
472 | ||
7a4d5330 | 473 | wireless_param() |
5e6dfc29 JR |
474 | { |
475 | device="$1" | |
476 | if [ "$2" = "br" ]; then | |
477 | prefix="${device}_" | |
478 | else | |
479 | prefix="" | |
480 | fi | |
481 | ||
7a4d5330 ER |
482 | local val wlan_mode |
483 | ||
5e6dfc29 | 484 | # wlan mode needs to be first |
8d92f4e5 | 485 | wlan_mode="$(eval echo \$${prefix}WLAN_MODE)" && [ "$wlan_mode" ] && \ |
7a4d5330 ER |
486 | iwconfig ${device} mode "$wlan_mode" |
487 | ||
df3e1a2c AM |
488 | val="$(eval echo \$${prefix}WLAN_NICKNAME)" && [ "$val" ] && \ |
489 | iwconfig ${device} nick "$val" | |
7a4d5330 | 490 | |
8d92f4e5 | 491 | val="$(eval echo \$${prefix}WLAN_NWID)" && [ "$val" ] && \ |
7a4d5330 ER |
492 | iwconfig ${device} nwid "$val" |
493 | ||
009113c6 | 494 | if [ "$wlan_mode" != "Managed" -a "$wlan_mode" != "managed" ]; then |
8d92f4e5 | 495 | if val="$(eval echo \$${prefix}WLAN_FREQ)" && [ "$val" ]; then |
7a4d5330 | 496 | iwconfig ${device} freq "$val" |
8d92f4e5 | 497 | elif val="$(eval echo \$${prefix}WLAN_CHANNEL)" && [ "$val" ]; then |
7a4d5330 ER |
498 | iwconfig ${device} channel "$val" |
499 | fi | |
5e6dfc29 | 500 | fi |
7a4d5330 | 501 | |
8d92f4e5 | 502 | val="$(eval echo \$${prefix}WLAN_SENS)" && [ "$val" ] && \ |
7a4d5330 | 503 | iwconfig ${device} sens "$val" |
8d92f4e5 | 504 | val="$(eval echo \$${prefix}WLAN_AP)" && [ "$val" ] && \ |
7a4d5330 | 505 | iwconfig ${device} ap "$val" |
8d92f4e5 | 506 | val="$(eval echo \$${prefix}WLAN_BITRATE)" && [ "$val" ] && \ |
7a4d5330 | 507 | iwconfig ${device} rate "$val" |
8d92f4e5 | 508 | val="$(eval echo \$${prefix}WLAN_RTS_THRESHOLD)" && [ "$val" ] && \ |
7a4d5330 | 509 | iwconfig ${device} rts "$val" |
8d92f4e5 | 510 | val="$(eval echo \$${prefix}WLAN_FRAGMENTATION_THRESHOLD)" && [ "$val" ] && \ |
7a4d5330 ER |
511 | iwconfig ${device} frag "$val" |
512 | ||
b9d6440a | 513 | local wlan_encryption="$(eval echo \$${prefix}WLAN_ENCRYPTION)" |
334325e1 ER |
514 | local wlan_key="$(eval echo \$${prefix}WLAN_KEY)" |
515 | # TODO: well, actually shouldn't set WLAN_KEY if other keys than current are set | |
8d92f4e5 | 516 | if [ "$wlan_key" ]; then |
334325e1 ER |
517 | # wlan key can contain index of key to set |
518 | # to set other than current keys suffix with 1-4: | |
519 | local idx | |
520 | for idx in 1 2 3 4; do | |
521 | val="$(eval echo \$${prefix}WLAN_KEY_$idx)" | |
522 | [ "$val" ] || continue | |
f0f3583f | 523 | iwconfig ${device} key "[$idx]" "$val" |
334325e1 ER |
524 | done |
525 | if val="$(eval echo \$${prefix}WLAN_KEY_CURRENT)" && [ "$val" ]; then | |
526 | iwconfig ${device} key "[$val]" | |
527 | else | |
528 | iwconfig ${device} key "$wlan_key" | |
529 | fi | |
530 | ||
8d92f4e5 | 531 | [ "$wlan_encryption" ] && iwconfig ${device} key "$wlan_encryption" |
7a4d5330 ER |
532 | fi |
533 | ||
b9d6440a | 534 | if is_no "$wlan_encryption"; then |
5e6dfc29 JR |
535 | iwconfig ${device} key off |
536 | fi | |
8d92f4e5 | 537 | val="$(eval echo \$${prefix}WLAN_POWER)" && [ "$val" ] && \ |
7a4d5330 | 538 | iwconfig ${device} power "$val" |
8d92f4e5 | 539 | val="$(eval echo \$${prefix}WLAN_TXPOWER)" && [ "$val" ] && \ |
7a4d5330 | 540 | iwconfig ${device} txpower "$val" |
8d92f4e5 | 541 | val="$(eval echo \$${prefix}WLAN_RETRY)" && [ "$val" ] && \ |
7a4d5330 | 542 | iwconfig ${device} retry "$val" |
2ae29436 | 543 | |
9a0f7d04 | 544 | # essid should be last due to network rescanning by wlan devices |
8d92f4e5 | 545 | val="$(eval echo \$${prefix}WLAN_ESSID)" && [ "$val" ] && \ |
7a4d5330 | 546 | iwconfig ${device} essid "$val" |
a1ac348c AM |
547 | |
548 | if is_yes "$(eval echo \$${prefix}WLAN_COMMIT)"; then | |
549 | iwconfig ${device} commit | |
9a0f7d04 | 550 | fi |
2ae29436 AM |
551 | } |
552 | ||
ac2433c4 ER |
553 | # returns |
554 | # 0 - no link | |
555 | # 1 - link ok | |
556 | # 2 - unsupported, unknown return | |
0336ea13 AM |
557 | check_mii_tool () |
558 | { | |
5e6dfc29 | 559 | [ -x /sbin/mii-tool ] || return 2 |
1e23492f | 560 | local output=$(LC_ALL=C mii-tool $1 2>&1) |
917c3c39 | 561 | echo $output | grep -q "link ok" && return 1 |
ac2433c4 ER |
562 | echo $output | grep -q "no link" && return 0 |
563 | return 2 | |
0336ea13 AM |
564 | } |
565 | ||
ac2433c4 ER |
566 | # returns |
567 | # 0 - link off | |
568 | # 1 - link on | |
569 | # 2 - unsupported, unknown return | |
0336ea13 AM |
570 | check_ethtool () |
571 | { | |
5e6dfc29 | 572 | [ -x /sbin/ethtool ] || return 2 |
1e23492f | 573 | local output=$(LC_ALL=C ethtool $1 2>&1) |
917c3c39 | 574 | echo $output | grep -q "Link detected: yes" && return 1 |
ac2433c4 ER |
575 | echo $output | grep -q "Link detected: no" && return 0 |
576 | return 2 | |
0336ea13 AM |
577 | } |
578 | ||
ac2433c4 ER |
579 | # returns |
580 | # 0 - radio off | |
581 | # 1 - radio on | |
582 | # 2 - unsupported | |
1b85f830 AM |
583 | check_iwconfig () |
584 | { | |
141b5edb | 585 | local output |
0f55a779 | 586 | # rfkill state (are there devices with multiple rfkill buttons?) |
141b5edb | 587 | output=$(cat /sys/class/net/${1}/device/rfkill*/state 2> /dev/null) |
0f55a779 AM |
588 | # 1 is rfkill not active |
589 | [ "$output" = "1" ] && return 1 | |
590 | [ "$output" = "0" -o "$output" = "2" ] && return 0 | |
b343992d TP |
591 | [ -x /sbin/iwconfig ] || return 2 |
592 | output=$(LC_ALL=C iwconfig "$1" 2>&1) | |
593 | # "radio off" is ipwxxx only "feature" (and there is no "radio on") | |
594 | echo "$output" | grep -q "radio off" && return 0 | |
2864e829 | 595 | # XXX: need more generic checks for wifi |
ac2433c4 | 596 | return 2 |
1b85f830 | 597 | } |
0336ea13 | 598 | |
ac2433c4 ER |
599 | # returns |
600 | # 0 - link down | |
601 | # 1 - link up | |
5937edff | 602 | # 2 - unknown/unsupported |
0336ea13 AM |
603 | check_link_down () |
604 | { | |
9306925b AM |
605 | local e i m timeout device max_timeout |
606 | device="$1" | |
607 | max_timeout="$2" | |
608 | ||
00d406d2 ER |
609 | if [ ! -x /sbin/mii-tool -a ! -x /sbin/ethtool -a ! -x /sbin/iwconfig ]; then |
610 | return 2 | |
611 | fi | |
612 | ||
9306925b AM |
613 | [ -z "$max_timeout" ] && max_timeout=6 |
614 | ||
615 | if ! LC_ALL=C ip link show dev $device 2>/dev/null | grep -q UP; then | |
616 | ip link set dev $device up >/dev/null 2>&1 | |
c8ac1dc0 AM |
617 | fi |
618 | timeout=0 | |
9306925b AM |
619 | while [ $timeout -le $max_timeout ]; do |
620 | check_ethtool $device | |
c8ac1dc0 | 621 | e=$? |
9306925b | 622 | check_iwconfig $device |
c8ac1dc0 AM |
623 | i=$? |
624 | # trust ethtool and iwconfig | |
625 | if [ $i -eq 1 ] || [ $e -eq 1 ]; then | |
626 | return 1 | |
74a7f2e4 | 627 | fi |
c8ac1dc0 AM |
628 | # use mii check only if all other check are unsupported |
629 | # (mii check lies too often) | |
9306925b | 630 | check_mii_tool $device |
c8ac1dc0 AM |
631 | m=$? |
632 | if [ $m -eq 1 ] && [ $i -eq 2 ] && [ $e -eq 2 ]; then | |
633 | return 1 | |
634 | fi | |
635 | usleep 500000 | |
636 | timeout=$((timeout+1)) | |
637 | done | |
638 | # do not abort dhclient if all the checks are unsupported | |
639 | if [ $m -eq 2 ] && [ $i -eq 2 ] && [ $e -eq 2 ]; then | |
640 | return 2 | |
74a7f2e4 | 641 | fi |
c8ac1dc0 | 642 | return 0 |
0336ea13 | 643 | } |