/[livecd-tools]/trunk/livecd-functions.sh
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Contents of /trunk/livecd-functions.sh

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Revision 63 - (show annotations) (download) (as text)
Mon Jun 27 21:48:34 2005 UTC (9 years, 2 months ago) by wolf31o2
File MIME type: text/x-sh
File size: 11314 byte(s)
Add back something that I think I accidentally removed that is totally h0arking livecd builds.

1 #!/bin/bash
2 # Copyright 1999-2005 Gentoo Foundation
3 # Distributed under the terms of the GNU General Public License v2
4 # $Header: /var/cvsroot/gentoo/src/livecd-tools/livecd-functions.sh,v 1.10 2005/06/27 21:48:34 wolf31o2 Exp $
5
6 # Global Variables:
7 # CDBOOT -- is booting off CD
8 # LIVECD_CONSOLE -- console that is specified to kernel commandline
9 # -- (ttyS0, tty1, etc). Only defined if passed to kernel
10 # LIVECD_CONSOLE_BAUD -- console baudrate specified
11 # LIVECD_CONSOLE_PARITY -- console parity specified
12 # LIVECD_CONSOLE_DATABITS -- console databits specified
13
14 livecd_parse_opt() {
15 case "$1" in
16 *\=*)
17 echo "$1" | cut -f2 -d=
18 ;;
19 esac
20 }
21
22 livecd_check_root() {
23 if [ "$(whoami)" != "root" ]
24 then
25 echo "ERROR: must be root to continue"
26 return 1
27 fi
28 }
29
30 livecd_get_cmdline() {
31 echo "0" > /proc/sys/kernel/printk
32 CMDLINE="$(cat /proc/cmdline)"
33 export CMDLINE
34 }
35
36 no_gl() {
37 echo "No OpenGL-capable card found."
38 GLTYPE=xorg-x11
39 }
40
41 ati_gl() {
42 echo "ATI card detected."
43 GLTYPE=ati
44 }
45
46 nv_gl() {
47 echo "NVIDIA card detected."
48 GLTYPE=nvidia
49 }
50
51 get_video_cards() {
52 VIDEO_CARDS="$(/sbin/lspci | grep VGA)"
53 NUM_CARDS="$(echo ${VIDEO_CARDS} | wc -l)"
54 if [ ${NUM_CARDS} -eq 1 ]; then
55 NVIDIA=$(echo ${VIDEO_CARDS} | grep "nVidia Corporation")
56 ATI=$(echo ${VIDEO_CARDS} | grep "ATI Technologies")
57 if [ -n "${NVIDIA}" ]; then
58 NVIDIA_CARD=$(echo ${NVIDIA} | awk 'BEGIN {RS=" "} /NV[0-9]+/ {print $1}')
59 if [ -n "${NVIDIA_CARD}" ]; then
60 if [ $(echo ${NVIDIA_CARD} | cut -dV -f2) -ge 4 ]; then
61 nv_gl
62 else
63 no_gl
64 fi
65 else
66 no_gl
67 fi
68 elif [ -n "${ATI}" ]; then
69 ATI_CARD=$(echo ${ATI} | awk 'BEGIN {RS=" "} /(R|RV|RS)[0-9]+/ {print $1}')
70 if [ $(echo ${ATI_CARD} | grep S) ]; then
71 ATI_CARD_S=$(echo ${ATI_CARD} | cut -dS -f2)
72 elif [ $(echo ${ATI_CARD} | grep V) ]; then
73 ATI_CARD_V=$(echo ${ATI_CARD} | cut -dV -f2)
74 else
75 ATI_CARD=$(echo ${ATI_CARD} | cut -dR -f2)
76 fi
77 if [ -n "${ATI_CARD_S}" ] && [ ${ATI_CARD_S} -ge 350 ]; then
78 ati_gl
79 elif [ -n "${ATI_CARD_V}" ] && [ ${ATI_CARD_V} -ge 250 ]; then
80 ati_gl
81 elif [ -n "${ATI_CARD}" ] && [ ${ATI_CARD} -ge 200 ]; then
82 ati_gl
83 else
84 no_gl
85 fi
86 else
87 no_gl
88 fi
89 fi
90 }
91
92 livecd_config_wireless() {
93 cd /tmp/setup.opts
94 dialog --title "SSID" --inputbox "Please enter your SSID, or leave blank for selecting the nearest open network" 20 50 2> ${iface}.SSID
95 SSID="$(cat ${iface}.SSID)"
96 if [ -n "${SSID}" ]
97 then
98 dialog --title "WEP (Part 1)" --menu "Does your network use encryption?" 20 60 7 1 "Yes" 2 "No" 2> ${iface}.WEP
99 WEP="$(cat ${iface}.WEP)"
100 case ${WEP} in
101 1)
102 dialog --title "WEP (Part 2)" --menu "Are you entering your WEP key in HEX or ASCII?" 20 60 7 1 "HEX" 2 "ASCII" 2> ${iface}.WEPTYPE
103 WEP_TYPE="$(cat ${iface}.WEPTYPE)"
104 case ${WEP_TYPE} in
105 1)
106 dialog --title "WEP (Part 3)" --inputbox "Please enter your WEP key in the form of XXXX-XXXX-XX for 64-bit or XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XX for 128-bit" 20 50 2> ${iface}.WEPKEY
107 WEP_KEY="$(cat ${iface}.WEPKEY)"
108 if [ -n "${WEP_KEY}" -a -x /usr/sbin/iwconfig ]
109 then
110 /usr/sbin/iwconfig ${iface} essid "${SSID}"
111 /usr/sbin/iwconfig ${iface} key "${WEP_KEY}"
112 fi
113 ;;
114 2)
115 dialog --title "WEP (Part 3)" --inputbox "Please enter your WEP key in ASCII form. This should be 5 or 13 characters for either 64-bit or 128-bit encryption, repectively" 20 50 2> ${iface}.WEPKEY
116 WEP_KEY="$(cat ${iface}.WEPKEY)"
117 if [ -n "${WEP_KEY}" -a -x /usr/sbin/iwconfig ]
118 then
119 /usr/sbin/iwconfig ${iface} essid "${SSID}"
120 /usr/sbin/iwconfig ${iface} key "s:${WEP_KEY}"
121 fi
122 ;;
123 esac
124 ;;
125 2)
126 /usr/sbin/iwconfig ${iface} essid "${SSID}"
127 /usr/sbin/iwconfig ${iface} key off
128 ;;
129 esac
130 fi
131 }
132
133 livecd_write_wireless_conf() {
134 cd /tmp/setup.opts
135 SSID="$(cat ${iface}.SSID)"
136 if [ -n "${SSID}" ]
137 then
138 WEP_TYPE="$(cat ${iface}.WEPTYPE)"
139 if [ -n "${WEP_TYPE}" ]
140 then
141 WEP_KEY="$(cat ${iface}.WEPKEY)"
142 if [ -n "${WEP_KEY}" ]
143 then
144 SSID_TRANS="$(echo ${SSID//[![:word:]]/_})"
145 echo "# This wireless configuration file was built by net-setup" > /etc/conf.d/wireless
146 case ${WEP_TYPE} in
147 1)
148 echo "key_${SSID_TRANS}=\"${WEP_KEY} enc open\"" >> /etc/conf.d/wireless
149 ;;
150 2)
151 echo "key_${SSID_TRANS}=\"s:${WEP_KEY} enc open\"" >> /etc/conf.d/wireless
152 ;;
153 esac
154 echo "preferred_aps=( \"${SSID}\" )" >> /etc/conf.d/wireless
155 echo "associate_order=\"forcepreferredonly\"" >> /etc/conf.d/wireless
156 fi
157 fi
158 fi
159 }
160
161 livecd_config_ip() {
162 cd /tmp/setup.opts
163 dialog --title "TCP/IP setup" --menu "You can use DHCP to automatically configure a network interface or you can specify an IP and related settings manually. Choose one option:" 20 60 7 1 "Use DHCP to auto-detect my network settings" 2 "Specify an IP address manually" 2> ${iface}.DHCP
164 DHCP="$(cat ${iface}.DHCP)"
165 case ${DHCP} in
166 1)
167 /sbin/dhcpcd -t 10 -h $(hostname) ${iface} &
168 ;;
169 2)
170 dialog --title "IP address" --inputbox "Please enter an IP address for ${iface}:" 20 50 "192.168.1.1" 2> ${iface}.IP
171 IP="$(cat ${iface}.IP)"
172 BC_TEMP="$(echo $IP|cut -d . -f 1).$(echo $IP|cut -d . -f 2).$(echo $IP|cut -d . -f 3).255"
173 dialog --title "Broadcast address" --inputbox "Please enter a Broadcast address for ${iface}:" 20 50 "${BC_TEMP}" 2> ${iface}.BC
174 BROADCAST="$(cat ${iface}.BC)"
175 dialog --title "Network mask" --inputbox "Please enter a Network Mask for ${iface}:" 20 50 "255.255.255.0" 2> ${iface}.NM
176 NETMASK="$(cat ${iface}.NM)"
177 dialog --title "Gateway" --inputbox "Please enter a Gateway for ${iface} (hit enter for none:)" 20 50 2> ${iface}.GW
178 GATEWAY="$(cat ${iface}.GW)"
179 dialog --title "DNS server" --inputbox "Please enter a name server to use (hit enter for none:)" 20 50 2> ${iface}.DNS
180 DNS="$(cat ${iface}.DNS)"
181 /sbin/ifconfig ${iface} ${IP} broadcast ${BROADCAST} netmask ${NETMASK}
182 if [ -n "${GATEWAY}" ]
183 then
184 /sbin/route add default gw ${GATEWAY} dev ${iface} netmask 0.0.0.0 metric 1
185 fi
186 if [ -n "${DNS}" ]
187 then
188 dialog --title "DNS Search Suffix" --inputbox "Please enter any domains which you would like to search on DNS queries (hit enter for none:)" 20 50 2> ${iface}.SUFFIX
189 SUFFIX="$(cat ${iface}.SUFFIX)"
190 echo "nameserver ${DNS}" > /etc/resolv.conf
191 if [ -n "${SUFFIX}" ]
192 then
193 echo "search ${SUFFIX}" >> /etc/resolv.conf
194 fi
195 fi
196 ;;
197 esac
198 }
199
200 livecd_write_net_conf() {
201 cd /tmp/setup.opts
202 echo "# This network configuration was written by net-setup" > /etc/conf.d/net
203 DHCP="$(cat ${iface}.DHCP)"
204 case ${DHCP} in
205 1)
206 echo "iface_${iface}=\"dhcp\"" >> /etc/conf.d/net
207 ;;
208 2)
209 IP="$(cat ${iface}.IP)"
210 BROADCAST="$(cat ${iface}.BC)"
211 NETMASK="$(cat ${iface}.NM)"
212 GATEWAY="$(cat ${iface}.GW)"
213 if [ -n "${IP}" -a -n "${BROADCAST}" -a -n "${NETMASK}" ]
214 then
215 echo "iface_eth0=\"${IP} broadcast ${BROADCAST} netmask ${NETMASK}\"" >> /etc/conf.d/net
216 if [ -n "${GATEWAY}" ]
217 then
218 echo "gateway=\"${iface}/${GATEWAY}\"" >> /etc/conf.d/net
219 fi
220 fi
221 ;;
222 esac
223 }
224
225 livecd_console_settings() {
226 # scan for a valid baud rate
227 case "$1" in
228 300*)
229 LIVECD_CONSOLE_BAUD=300
230 ;;
231 600*)
232 LIVECD_CONSOLE_BAUD=600
233 ;;
234 1200*)
235 LIVECD_CONSOLE_BAUD=1200
236 ;;
237 2400*)
238 LIVECD_CONSOLE_BAUD=2400
239 ;;
240 4800*)
241 LIVECD_CONSOLE_BAUD=4800
242 ;;
243 9600*)
244 LIVECD_CONSOLE_BAUD=9600
245 ;;
246 14400*)
247 LIVECD_CONSOLE_BAUD=14400
248 ;;
249 19200*)
250 LIVECD_CONSOLE_BAUD=19200
251 ;;
252 28800*)
253 LIVECD_CONSOLE_BAUD=28800
254 ;;
255 38400*)
256 LIVECD_CONSOLE_BAUD=38400
257 ;;
258 57600*)
259 LIVECD_CONSOLE_BAUD=57600
260 ;;
261 115200*)
262 LIVECD_CONSOLE_BAUD=115200
263 ;;
264 esac
265 if [ "${LIVECD_CONSOLE_BAUD}" = "" ]
266 then
267 # If it's a virtual console, set baud to 38400, if it's a serial
268 # console, set it to 9600 (by default anyhow)
269 case ${LIVECD_CONSOLE} in
270 tty[0-9])
271 LIVECD_CONSOLE_BAUD=38400
272 ;;
273 *)
274 LIVECD_CONSOLE_BAUD=9600
275 ;;
276 esac
277 fi
278 export LIVECD_CONSOLE_BAUD
279
280 # scan for a valid parity
281 # If the second to last byte is a [n,e,o] set parity
282 local parity
283 parity=$(echo $1 | rev | cut -b 2-2)
284 case "$parity" in
285 [neo])
286 LIVECD_CONSOLE_PARITY=$parity
287 ;;
288 esac
289 export LIVECD_CONSOLE_PARITY
290
291 # scan for databits
292 # Only set databits if second to last character is parity
293 if [ "${LIVECD_CONSOLE_PARITY}" != "" ]
294 then
295 LIVECD_CONSOLE_DATABITS=$(echo $1 | rev | cut -b 1)
296 fi
297 export LIVECD_CONSOLE_DATABITS
298 return 0
299 }
300
301 livecd_read_commandline() {
302 livecd_get_cmdline || return 1
303
304 for x in ${CMDLINE}
305 do
306 case "${x}" in
307 cdroot)
308 CDBOOT="yes"
309 export CDBOOT
310 ;;
311 cdroot\=*)
312 CDBOOT="yes"
313 export CDBOOT
314 ;;
315 console\=*)
316 local live_console
317 live_console=$(livecd_parse_opt "${x}")
318
319 # Parse the console line. No options specified if
320 # no comma
321 LIVECD_CONSOLE=$(echo ${live_console} | cut -f1 -d,)
322 if [ "${LIVECD_CONSOLE}" = "" ]
323 then
324 # no options specified
325 LIVECD_CONSOLE=${live_console}
326 else
327 # there are options, we need to parse them
328 local livecd_console_opts
329 livecd_console_opts=$(echo ${live_console} | cut -f2 -d,)
330 livecd_console_settings ${livecd_console_opts}
331 fi
332 export LIVECD_CONSOLE
333 ;;
334 esac
335 done
336 return 0
337 }
338
339 livecd_fix_inittab() {
340 if [ "${CDBOOT}" = "" ]
341 then
342 return 1
343 fi
344
345 # Comment out current getty settings
346 sed -i -e '/^c[0-9]/ s/^/#/' /etc/inittab
347
348 # SPARC & HPPA console magic
349 if [ "${HOSTTYPE}" = "sparc" -o "${HOSTTYPE}" = "hppa" -o "${HOSTTYPE}" = "ppc64" ]
350 then
351 # Mount openprom tree for user debugging purposes
352 if [ "${HOSTTYPE}" = "sparc" ]
353 then
354 mount -t openpromfs none /proc/openprom
355 fi
356
357 # SPARC serial port A, HPPA mux / serial
358 if [ -c "/dev/tts/0" ]
359 then
360 LIVECD_CONSOLE_BAUD=$(stty -F /dev/tts/0 speed)
361 echo "s0:12345:respawn:/sbin/agetty -nl /bin/bashlogin ${LIVECD_CONSOLE_BAUD} tts/0 vt100" >> /etc/inittab
362 fi
363 # HPPA software PDC console (K-models)
364 if [ "${LIVECD_CONSOLE}" = "ttyB0" ]
365 then
366 mknod /dev/ttyB0 c 11 0
367 LIVECD_CONSOLE_BAUD=$(stty -F /dev/ttyB0 speed)
368 echo "b0:12345:respawn:/sbin/agetty -nl /bin/bashlogin ${LIVECD_CONSOLE_BAUD} ttyB0 vt100" >> /etc/inittab
369 fi
370 # FB / STI console
371 if [ -c "/dev/vc/1" ]
372 then
373 MODEL_NAME=$(cat /proc/cpuinfo |grep "model name"|sed 's/.*: //')
374 if [ "${MODEL_NAME}" = "UML" ]
375 then
376 for x in 0 1 2 3 4 5 6
377 do
378 echo "c${x}:12345:respawn:/sbin/mingetty --noclear --autologin root tty${x}" >> /etc/inittab
379 done
380 else
381 for x in 1 2 3 4 5 6
382 do
383 echo "c${x}:12345:respawn:/sbin/mingetty --noclear --autologin root tty${x}" >> /etc/inittab
384 done
385 fi
386 fi
387 if [ -c "/dev/hvc/0" ]
388 then
389 ln -s /dev/hvc/0 /dev/hvc0
390 echo "s0:12345:respawn:/sbin/agetty -nl /bin/bashlogin 9600 hvc0 vt320" >> /etc/inittab
391 fi
392 # The rest...
393 else
394 if [ "${LIVECD_CONSOLE}" = "tty0" -o "${LIVECD_CONSOLE}" = "" ]
395 then
396 for x in 1 2 3 4 5 6
397 do
398 echo "c${x}:12345:respawn:/sbin/agetty -nl /bin/bashlogin 38400 tty${x} linux" >> /etc/inittab
399 done
400 else
401 echo "s0:12345:respawn:/sbin/agetty -nl /bin/bashlogin ${LIVECD_CONSOLE_BAUD} ${LIVECD_CONSOLE} vt100" >> /etc/inittab
402 fi
403 fi
404 # force reread of inittab
405 kill -HUP 1
406 return 0
407 }

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