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Commit | Line | Data |
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e9155818 | 1 | #!/usr/bin/env bash |
b89c6db3 JM |
2 | |
3 | usage() { | |
4 | if [ "$*" ]; then | |
5 | echo "$*" | |
6 | echo | |
7 | fi | |
c77d9fcc | 8 | echo "Usage: ${NAME} [--listen PORT] [--vnc VNC_HOST:PORT] [--cert CERT] [--ssl-only]" |
b89c6db3 | 9 | echo |
f2538f33 JM |
10 | echo "Starts the WebSockets proxy and a mini-webserver and " |
11 | echo "provides a cut-and-paste URL to go to." | |
6f514864 | 12 | echo |
f2538f33 | 13 | echo " --listen PORT Port for proxy/webserver to listen on" |
96bc3d30 | 14 | echo " Default: 6080" |
b89c6db3 JM |
15 | echo " --vnc VNC_HOST:PORT VNC server host:port proxy target" |
16 | echo " Default: localhost:5900" | |
96bc3d30 JM |
17 | echo " --cert CERT Path to combined cert/key file" |
18 | echo " Default: self.pem" | |
3516bdf3 JM |
19 | echo " --web WEB Path to web files (e.g. vnc.html)" |
20 | echo " Default: ./" | |
c77d9fcc WF |
21 | echo " --ssl-only Disable non-https connections." |
22 | echo " " | |
b89c6db3 JM |
23 | exit 2 |
24 | } | |
25 | ||
26 | NAME="$(basename $0)" | |
2ace90e6 SR |
27 | REAL_NAME="$(readlink -f $0)" |
28 | HERE="$(cd "$(dirname "$REAL_NAME")" && pwd)" | |
96bc3d30 | 29 | PORT="6080" |
b89c6db3 | 30 | VNC_DEST="localhost:5900" |
96bc3d30 | 31 | CERT="" |
3516bdf3 | 32 | WEB="" |
b89c6db3 | 33 | proxy_pid="" |
c77d9fcc | 34 | SSLONLY="" |
b89c6db3 JM |
35 | |
36 | die() { | |
37 | echo "$*" | |
38 | exit 1 | |
39 | } | |
40 | ||
41 | cleanup() { | |
42 | trap - TERM QUIT INT EXIT | |
43 | trap "true" CHLD # Ignore cleanup messages | |
44 | echo | |
b89c6db3 JM |
45 | if [ -n "${proxy_pid}" ]; then |
46 | echo "Terminating WebSockets proxy (${proxy_pid})" | |
47 | kill ${proxy_pid} | |
48 | fi | |
49 | } | |
50 | ||
51 | # Process Arguments | |
52 | ||
53 | # Arguments that only apply to chrooter itself | |
54 | while [ "$*" ]; do | |
55 | param=$1; shift; OPTARG=$1 | |
56 | case $param in | |
96bc3d30 JM |
57 | --listen) PORT="${OPTARG}"; shift ;; |
58 | --vnc) VNC_DEST="${OPTARG}"; shift ;; | |
59 | --cert) CERT="${OPTARG}"; shift ;; | |
3516bdf3 | 60 | --web) WEB="${OPTARG}"; shift ;; |
c77d9fcc | 61 | --ssl-only) SSLONLY="--ssl-only" ;; |
96bc3d30 | 62 | -h|--help) usage ;; |
b89c6db3 | 63 | -*) usage "Unknown chrooter option: ${param}" ;; |
96bc3d30 | 64 | *) break ;; |
b89c6db3 JM |
65 | esac |
66 | done | |
67 | ||
68 | # Sanity checks | |
69 | which netstat >/dev/null 2>&1 \ | |
70 | || die "Must have netstat installed" | |
71 | ||
cf068be2 | 72 | netstat -ltn | grep -qs "${PORT} .*LISTEN" \ |
96bc3d30 | 73 | && die "Port ${PORT} in use. Try --listen PORT" |
b89c6db3 JM |
74 | |
75 | trap "cleanup" TERM QUIT INT EXIT | |
76 | ||
0f7f146f | 77 | # Find vnc.html |
3516bdf3 JM |
78 | if [ -n "${WEB}" ]; then |
79 | if [ ! -e "${WEB}/vnc.html" ]; then | |
80 | die "Could not find ${WEB}/vnc.html" | |
81 | fi | |
82 | elif [ -e "$(pwd)/vnc.html" ]; then | |
96bc3d30 | 83 | WEB=$(pwd) |
0f7f146f | 84 | elif [ -e "${HERE}/../vnc.html" ]; then |
96bc3d30 | 85 | WEB=${HERE}/../ |
0f7f146f | 86 | elif [ -e "${HERE}/vnc.html" ]; then |
96bc3d30 | 87 | WEB=${HERE} |
3516bdf3 JM |
88 | elif [ -e "${HERE}/../share/novnc/vnc.html" ]; then |
89 | WEB=${HERE}/../share/novnc/ | |
0f7f146f JM |
90 | else |
91 | die "Could not find vnc.html" | |
92 | fi | |
0f7f146f | 93 | |
96bc3d30 JM |
94 | # Find self.pem |
95 | if [ -n "${CERT}" ]; then | |
96 | if [ ! -e "${CERT}" ]; then | |
97 | die "Could not find ${CERT}" | |
98 | fi | |
99 | elif [ -e "$(pwd)/self.pem" ]; then | |
100 | CERT="$(pwd)/self.pem" | |
101 | elif [ -e "${HERE}/../self.pem" ]; then | |
102 | CERT="${HERE}/../self.pem" | |
103 | elif [ -e "${HERE}/self.pem" ]; then | |
104 | CERT="${HERE}/self.pem" | |
b89c6db3 | 105 | else |
96bc3d30 | 106 | echo "Warning: could not find self.pem" |
b89c6db3 JM |
107 | fi |
108 | ||
6f514864 SR |
109 | # try to find websockify (prefer local, try global, then download local) |
110 | if [[ -e ${HERE}/websockify ]]; then | |
111 | WEBSOCKIFY=${HERE}/websockify/run | |
112 | ||
113 | if [[ ! -x $WEBSOCKIFY ]]; then | |
114 | echo "The path ${HERE}/websockify exists, but $WEBSOCKIFY either does not exist or is not executable." | |
54e835ee | 115 | echo "If you intended to use an installed websockify package, please remove ${HERE}/websockify." |
6f514864 SR |
116 | exit 1 |
117 | fi | |
118 | ||
119 | echo "Using local websockify at $WEBSOCKIFY" | |
120 | else | |
121 | WEBSOCKIFY=$(which websockify 2>/dev/null) | |
122 | ||
123 | if [[ $? -ne 0 ]]; then | |
124 | echo "No installed websockify, attempting to clone websockify..." | |
125 | WEBSOCKIFY=${HERE}/websockify/run | |
9db6a906 | 126 | git clone https://github.com/kanaka/websockify ${HERE}/websockify |
6f514864 SR |
127 | |
128 | if [[ ! -e $WEBSOCKIFY ]]; then | |
129 | echo "Unable to locate ${HERE}/websockify/run after downloading" | |
130 | exit 1 | |
131 | fi | |
132 | ||
133 | echo "Using local websockify at $WEBSOCKIFY" | |
134 | else | |
135 | echo "Using installed websockify at $WEBSOCKIFY" | |
136 | fi | |
137 | fi | |
138 | ||
96bc3d30 | 139 | echo "Starting webserver and WebSockets proxy on port ${PORT}" |
6f514864 | 140 | #${HERE}/websockify --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} & |
c77d9fcc | 141 | ${WEBSOCKIFY} ${SSLONLY} --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} & |
b89c6db3 JM |
142 | proxy_pid="$!" |
143 | sleep 1 | |
f2538f33 | 144 | if ! ps -p ${proxy_pid} >/dev/null; then |
b89c6db3 JM |
145 | proxy_pid= |
146 | echo "Failed to start WebSockets proxy" | |
147 | exit 1 | |
148 | fi | |
149 | ||
19ed81fd | 150 | echo -e "\n\nNavigate to this URL:\n" |
96bc3d30 | 151 | echo -e " http://$(hostname):${PORT}/vnc.html?host=$(hostname)&port=${PORT}\n" |
b89c6db3 JM |
152 | echo -e "Press Ctrl-C to exit\n\n" |
153 | ||
96bc3d30 | 154 | wait ${proxy_pid} |