blob: c9bd209f5bf0bf9528ef97112b8638b0558a77e1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
#!/bin/sh
#
# Make standard devices
#
PATH=/bin:/usr/bin
ECHO=: # Change to "echo" to echo commands.
EXEC="" # Change to ":" to suppress command execution.
DEVDIR=`pwd` # Reset below by -D/--devdir command line option.
while :; do
case "$1" in
--help|"-?")
echo "\
Usage: $0 [OPTION...] DEVNAME...
Make filesystem nodes for accessing standard system devices
-D, --devdir=DIR Use DIR when a device node name must be
embedded in a translator; default is the cwd
-n, --dry-run Don't actually execute any commands
-v, --verbose Show what commands are executed to make the devices
-?, --help Give this help list
--usage Give a short usage message
-V, --version Print program version"
exit 0;;
--devdir) DEVDIR="$2"; shift 2;;
--devdir=*) DEVDIR="`echo "$1" | sed 's/^--devdir=//'`"; shift 1;;
-D) DEVDIR="$2"; shift 2;;
-D*) DEVDIR="`echo "$1" | sed 's/^-D//'`"; shift 1;;
--verbose|-v) ECHO=echo; shift;;
--dry-run|-n) EXEC=:; shift;;
-nv|-vn) ECHO=echo; EXEC=:; shift;;
--usage)
echo "Usage: $0 [-V?] [-D DIR] [--help] [--usage] [--version] [--devdir=DIR] DEVNAME..."
exit 0;;
--version|-V)
echo "STANDARD_HURD_VERSION_MAKEDEV_"; exit 0;;
-*)
echo 1>&2 "$0: unrecognized option \`$1'"
echo 1>&2 "Try \`$0 --help' or \`$0 --usage' for more information";
exit 1;;
*)
break;;
esac
done
case "$#" in 0)
echo 1>&2 "Usage: $0 [OPTION...] DEVNAME..."
echo 1>&2 "Try \`$0 --help' or \`$0 --usage' for more information"
exit 1;;
esac
function cmd {
eval $ECHO "$@"
eval $EXEC "$@"
}
function st {
local NODE="$1"
local OWNER="$2"
local PERM="$3"
shift 3
if cmd settrans -cg "$NODE"; then
cmd chown "$OWNER" "$NODE"
cmd chmod "$PERM" "$NODE"
cmd settrans "$NODE" "$@"
fi
}
function lose {
local line
for line; do
echo 1>&2 "$0: $line"
done
exit 1
}
function mkdev {
local I
for I; do
case $I in
/* | */*)
lose "Device names cannot contain directories" \
"Change to target directory and run $0 from there."
;;
std)
mkdev console tty null zero full fd time mem klog shm
;;
console|com[0-9])
st $I root 600 /hurd/term ${DEVDIR}/$I device $I;;
vcs)
st $I root 600 /hurd/console;;
tty[1-9][0-9]|tty[1-9])
st $I root 600 /hurd/term ${DEVDIR}/$I hurdio \
${DEVDIR}/vcs/`echo $I | sed -e s/tty//`/console;;
lpr[0-9])
st $I root 660 /hurd/streamio "$I";;
null)
st $I root 666 /hurd/null;;
full)
st $I root 666 /hurd/null --full;;
zero)
st $I root 666 /hurd/storeio -Tzero;;
tty)
st $I root 666 /hurd/magic tty;;
fd)
st $I root 666 /hurd/magic --directory fd
cmd ln -f -s fd/0 stdin
cmd ln -f -s fd/1 stdout
cmd ln -f -s fd/2 stderr
;;
'time')
st $I root 644 /hurd/storeio --no-cache time ;;
mem)
st $I root 660 /hurd/storeio --no-cache mem ;;
klog)
st $I root 660 /hurd/streamio kmsg;;
# ptys
[pt]ty[pqrstuvwxyzPQRS]?)
# Make one pty, both the master and slave halves.
local id="${I:3}"
st pty$id root 666 /hurd/term ${DEVDIR}/pty$id \
pty-master ${DEVDIR}/tty$id
st tty$id root 666 /hurd/term ${DEVDIR}/tty$id \
pty-slave ${DEVDIR}/pty$id
;;
[pt]ty[pqrstuvwxyzPQRS])
# Make a bunch of ptys.
local n
for n in 0 1 2 3 4 5 6 7 8 9 \
a b c d e f g h i j k l m n o p q r s t u v; do
mkdev ${I}${n}
done
;;
fd*|mt*)
st $I root 640 /hurd/storeio $I
;;
[hrsc]d*)
local n="${I#?d}"
local major="${n%%[!0-9]*}"
if [ -z "$major" ]; then
lose "$I: Invalid device name: must supply a device number"
fi
local minor="${n##$major}"
case "$minor" in
'') ;; # Whole disk
[a-z]) ;; # BSD partition syntax, no slice syntax
s[1-9]*) # Slice syntax.
local slicestuff="${minor#s}"
local slice="${slicestuff%%[!0-9]*}"
local rest="${slicestuff##$slice}"
case "$slice" in
[1-9] | [1-9][0-9]) ;;
*)
lose "$I: Invalid slice number \`$slice'"
;;
esac
case "$rest" in
'') ;; # Whole slice
[a-z]) ;; # BSD partition after slice
*)
lose "$I: Invalid partition \`$rest'"
;;
esac
;;
*)
lose "$I: Invalid slice or partition syntax"
;;
esac
# The device name passed all syntax checks, so finally use it!
st $I root 640 /hurd/storeio $I
;;
# /dev/shm is used by the POSIX.1 shm_open call in libc.
# We don't want the underlying node to be written by randoms,
# but the filesystem presented should be writable by anyone
# and have the sticky bit set so others' files can't be removed.
# tmpfs requires an arbitrary size limitation here. To be like
# Linux, we tell tmpfs to set the size to half the physical RAM
# in the machine.
shm)
st $I root 644 /hurd/tmpfs --mode=1777 50%
;;
# Linux compatibility
loop*)
# In Linux an inactive "/dev/loopN" device acts like /dev/null.
# The `losetup' script changes the translator to "activate" the device.
st $I root 640 /hurd/null
;;
*)
lose "$I: Unknown device name"
;;
esac
done
}
mkdev "$@"
|
