diff options
4 files changed, 144 insertions, 6 deletions
diff --git a/openwrt/package/busybox/patches/150-udhcp-release.patch b/openwrt/package/busybox/patches/150-udhcp-release.patch new file mode 100644 index 000000000..dedec09a9 --- /dev/null +++ b/openwrt/package/busybox/patches/150-udhcp-release.patch @@ -0,0 +1,89 @@ +diff -Nurb busybox-1.00/include/usage.h busybox-1.00-patched/include/usage.h +--- busybox-1.00/include/usage.h 2005-05-30 05:34:45.397776704 -0400 ++++ busybox-1.00-patched/include/usage.h 2005-05-30 05:04:29.271869808 -0400 +@@ -2629,6 +2629,7 @@ + "\t-n,\t--now\tExit with failure if lease cannot be immediately negotiated.\n" \ + "\t-p,\t--pidfile=file\tStore process ID of daemon in file\n" \ + "\t-q,\t--quit\tQuit after obtaining lease\n" \ ++ "\t-R\t--release\tRelease IP on quit\n" \ + "\t-r,\t--request=IP\tIP address to request (default: none)\n" \ + "\t-s,\t--script=file\tRun file at dhcp events (default: /usr/share/udhcpc/default.script)\n" \ + "\t-v,\t--version\tDisplay version" +diff -Nurb busybox-1.00/networking/udhcp/dhcpc.c busybox-1.00-patched/networking/udhcp/dhcpc.c +--- busybox-1.00/networking/udhcp/dhcpc.c 2004-05-19 04:29:05.000000000 -0400 ++++ busybox-1.00-patched/networking/udhcp/dhcpc.c 2005-05-30 05:00:47.377602864 -0400 +@@ -61,6 +61,7 @@ + abort_if_no_lease: 0, + foreground: 0, + quit_after_lease: 0, ++ release_on_quit: 0, + background_if_no_lease: 0, + interface: "eth0", + pidfile: NULL, +@@ -87,6 +88,7 @@ + " immediately negotiated.\n" + " -p, --pidfile=file Store process ID of daemon in file\n" + " -q, --quit Quit after obtaining lease\n" ++" -R, --release Release IP on quit\n" + " -r, --request=IP IP address to request (default: none)\n" + " -s, --script=file Run file at dhcp events (default:\n" + " " DEFAULT_SCRIPT ")\n" +@@ -202,6 +204,7 @@ + {"now", no_argument, 0, 'n'}, + {"pidfile", required_argument, 0, 'p'}, + {"quit", no_argument, 0, 'q'}, ++ {"release", no_argument, 0, 'R'}, + {"request", required_argument, 0, 'r'}, + {"script", required_argument, 0, 's'}, + {"version", no_argument, 0, 'v'}, +@@ -251,6 +254,9 @@ + case 'q': + client_config.quit_after_lease = 1; + break; ++ case 'R': ++ client_config.release_on_quit = 1; ++ break; + case 'r': + requested_ip = inet_addr(optarg); + break; +@@ -472,8 +478,11 @@ + + state = BOUND; + change_mode(LISTEN_NONE); +- if (client_config.quit_after_lease) ++ if (client_config.quit_after_lease) { ++ if (client_config.release_on_quit) ++ perform_release(); + return 0; ++ } + if (!client_config.foreground) + client_background(); + +@@ -498,12 +507,13 @@ + case SIGUSR1: + perform_renew(); + break; +- case SIGUSR2: +- perform_release(); +- break; + case SIGTERM: + LOG(LOG_INFO, "Received SIGTERM"); ++ if (!client_config.release_on_quit) + return 0; ++ case SIGUSR2: ++ perform_release(); ++ break; + } + } else if (retval == -1 && errno == EINTR) { + /* a signal was caught */ +diff -Nurb busybox-1.00/networking/udhcp/dhcpc.h busybox-1.00-patched/networking/udhcp/dhcpc.h +--- busybox-1.00/networking/udhcp/dhcpc.h 2004-01-30 18:45:12.000000000 -0500 ++++ busybox-1.00-patched/networking/udhcp/dhcpc.h 2005-05-30 04:53:58.681734080 -0400 +@@ -20,6 +20,7 @@ + struct client_config_t { + char foreground; /* Do not fork */ + char quit_after_lease; /* Quit after obtaining lease */ ++ char release_on_quit; /* perform release on quit */ + char abort_if_no_lease; /* Abort if no lease */ + char background_if_no_lease; /* Fork to background if no lease */ + char *interface; /* The name of the interface to use */ diff --git a/openwrt/target/default/target_skeleton/etc/functions.sh b/openwrt/target/default/target_skeleton/etc/functions.sh index 48f1191cc..60d6231f8 100755 --- a/openwrt/target/default/target_skeleton/etc/functions.sh +++ b/openwrt/target/default/target_skeleton/etc/functions.sh @@ -12,7 +12,7 @@ nvram () { . /etc/nvram.overrides # valid interface? -if_valid () { +if_valid () ( ifconfig "$1" >&- 2>&- || [ "${1%%[0-9]}" = "br" ] || { @@ -29,5 +29,29 @@ if_valid () { $DEBUG vconfig add $vif $i 2>&- ) } || - { debug "# missing interface '$if' ignored"; false; } + { debug "# missing interface '$1' ignored"; false; } +) + +bitcount () { + local c=$1 + echo $(( + c=((c>> 1)&0x55555555)+(c&0x55555555), + c=((c>> 2)&0x33333333)+(c&0x33333333), + c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f), + c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff), + c=((c>>16)&0x0000ffff)+(c&0x0000ffff) + )) +} + +valid_netmask () { + return $((-($1)&~$1)) +} + +ip2int () ( + set $(echo $1 | tr '\.' ' ') + echo $(($1<<24|$2<<16|$3<<8|$4)) +) + +int2ip () { + echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255)) } diff --git a/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq b/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq index 995c1b6e7..55bbc3719 100755 --- a/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq +++ b/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq @@ -1,2 +1,25 @@ #!/bin/sh -/usr/sbin/dnsmasq +. /etc/functions.sh + +# interface to use for DHCP +iface=lan + +ifname=$(nvram get ${iface}_ifname) +ipaddr=$(nvram get ${iface}_ipaddr) +netmask=$(nvram get ${iface}_netmask) + +# check for existing DHCP server +udhcpc -n -q -R -s /dev/zero -i $ifname >&- || { + + ipaddr=$(ip2int $ipaddr) + netmask=$(ip2int ${netmask:-255.255.255.0}) + network=$((ipaddr&netmask)) + + start=$(nvram get dhcp_start) + start=$((network+${start:-100})) + end=$(nvram get dhcp_num) + end=$((start+${end:-150})) + + args="-K -F $(int2ip $start),$(int2ip $end),$(int2ip $netmask),12h" +} +/usr/sbin/dnsmasq ${args} diff --git a/openwrt/target/default/target_skeleton/sbin/ifup b/openwrt/target/default/target_skeleton/sbin/ifup index 9759f8d4d..60f9a1730 100755 --- a/openwrt/target/default/target_skeleton/sbin/ifup +++ b/openwrt/target/default/target_skeleton/sbin/ifup @@ -10,6 +10,7 @@ if_valid $if || return + mac=$(nvram get ${type}_hwaddr) $DEBUG ifconfig $if down 2>&- if [ "${if%%[0-9]}" = "br" ]; then stp=$(nvram get ${type}_stp) @@ -19,13 +20,14 @@ $DEBUG brctl stp $if ${stp:-0} for sif in $(nvram get ${type}_ifnames); do { if_valid $sif || continue + ${mac:+$DEBUG ifconfig $sif down hw ether $mac} $DEBUG ifconfig $sif 0.0.0.0 up $DEBUG brctl addif $if $sif } done + else + ${mac:+$DEBUG ifconfig $if down hw ether $mac} fi - mac=$(nvram get ${type}_hwaddr) - ${mac:+$DEBUG ifconfig $if hw ether $mac} if_proto=$(nvram get ${type}_proto) case "$if_proto" in @@ -50,7 +52,7 @@ if [ -f $pidfile ]; then $DEBUG kill $(cat $pidfile) fi - ${DEBUG:-eval} "udhcpc -i $if ${ip:+-r $ip} -b -p $pidfile &" + ${DEBUG:-eval} "udhcpc -R -i $if ${ip:+-r $ip} -b -p $pidfile &" ;; none|"") # pppoe is handled by /etc/init.d/S50pppoe |