uhttpd: do not attempt to configure Lua handler if referenced file does not exist
[openwrt.git] / package / network / services / uhttpd / files / uhttpd.init
1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2010 Jo-Philipp Wich
3
4 START=50
5
6 USE_PROCD=1
7
8 UHTTPD_BIN="/usr/sbin/uhttpd"
9 PX5G_BIN="/usr/sbin/px5g"
10
11 append_arg() {
12         local cfg="$1"
13         local var="$2"
14         local opt="$3"
15         local def="$4"
16         local val
17
18         config_get val "$cfg" "$var"
19         [ -n "$val" -o -n "$def" ] && procd_append_param command "$opt" "${val:-$def}"
20 }
21
22 append_bool() {
23         local cfg="$1"
24         local var="$2"
25         local opt="$3"
26         local def="$4"
27         local val
28
29         config_get_bool val "$cfg" "$var" "$def"
30         [ "$val" = 1 ] && procd_append_param command "$opt"
31 }
32
33 generate_keys() {
34         local cfg="$1"
35         local key="$2"
36         local crt="$3"
37         local days bits country state location commonname
38
39         config_get days       "$cfg" days
40         config_get bits       "$cfg" bits
41         config_get country    "$cfg" country
42         config_get state      "$cfg" state
43         config_get location   "$cfg" location
44         config_get commonname "$cfg" commonname
45
46         [ -x "$PX5G_BIN" ] && {
47                 $PX5G_BIN selfsigned -der \
48                         -days ${days:-730} -newkey rsa:${bits:-1024} -keyout "$UHTTPD_KEY" -out "$UHTTPD_CERT" \
49                         -subj /C="${country:-DE}"/ST="${state:-Saxony}"/L="${location:-Leipzig}"/CN="${commonname:-OpenWrt}"
50         }
51 }
52
53 start_instance()
54 {
55         UHTTPD_CERT=""
56         UHTTPD_KEY=""
57
58         local cfg="$1"
59         local realm="$(uci_get system.@system[0].hostname)"
60         local listen http https interpreter indexes path handler
61
62         procd_open_instance
63         procd_set_param respawn
64         procd_set_param command "$UHTTPD_BIN" -f
65
66         append_arg "$cfg" home "-h"
67         append_arg "$cfg" realm "-r" "${realm:-OpenWrt}"
68         append_arg "$cfg" config "-c"
69         append_arg "$cfg" cgi_prefix "-x"
70         [ -f /usr/lib/uhttpd_lua.so ] && {
71                 config_get handler "$cfg" lua_handler
72                 [ -f "$handler" ] && append_arg "$cfg" lua_prefix "-l" && {
73                         procd_append_param command "-L" "$handler"
74                 }
75         }
76         [ -f /usr/lib/uhttpd_ubus.so ] && {
77                 append_arg "$cfg" ubus_prefix "-u"
78                 append_arg "$cfg" ubus_socket "-U"
79         }
80         append_arg "$cfg" script_timeout "-t"
81         append_arg "$cfg" network_timeout "-T"
82         append_arg "$cfg" http_keepalive "-k"
83         append_arg "$cfg" tcp_keepalive "-A"
84         append_arg "$cfg" error_page "-E"
85         append_arg "$cfg" max_requests "-n" 3
86         append_arg "$cfg" max_connections "-N"
87
88         append_bool "$cfg" no_ubusauth "-a" 0
89         append_bool "$cfg" no_symlinks "-S" 0
90         append_bool "$cfg" no_dirlists "-D" 0
91         append_bool "$cfg" rfc1918_filter "-R" 0
92
93         config_get http "$cfg" listen_http
94         for listen in $http; do
95                  procd_append_param command -p "$listen"
96         done
97
98         config_get interpreter "$cfg" interpreter
99         for path in $interpreter; do
100                 procd_append_param command -i "$path"
101         done
102
103         config_get indexes "$cfg" index_page
104         for path in $indexes; do
105                 procd_append_param command -I "$path"
106         done
107
108         config_get https "$cfg" listen_https
109         config_get UHTTPD_KEY  "$cfg" key  /etc/uhttpd.key
110         config_get UHTTPD_CERT "$cfg" cert /etc/uhttpd.crt
111
112         [ -n "$https" ] && {
113                 [ -f "$UHTTPD_CERT" -a -f "$UHTTPD_KEY" ] || {
114                         config_foreach generate_keys cert
115                 }
116
117                 [ -f "$UHTTPD_CERT" -a -f "$UHTTPD_KEY" ] && {
118                         append_arg "$cfg" cert "-C"
119                         append_arg "$cfg" key  "-K"
120
121                         for listen in $https; do
122                                 procd_append_param command -s "$listen"
123                         done
124                 }
125         }
126
127         procd_close_instance
128
129         # Check if daemon is running, if not then
130         # re-execute in foreground to display error.
131 #       sleep 1 && service_check $UHTTPD_BIN || \
132 #               $UHTTPD_BIN -f $UHTTPD_ARGS
133 }
134
135 service_triggers()
136 {
137         procd_add_reload_trigger "uhttpd"
138 }
139
140 start_service() {
141         config_load uhttpd
142         config_foreach start_instance uhttpd
143 }