Allow bash arrays to be flattened to make some configs easier.

conf.d.BSD/net.example

@@ -118,16 +118,16 @@
 # HINTS
 #
 # Most users will just need to set the following options
-# key_ESSID1="s:yourkeyhere enc open" # s: means a text key
+# key_SSID1="s:yourkeyhere enc open" # s: means a text key
-# key_ESSID2="aaaa-bbbb-cccc-dd"      # no s: means a hex key
+# key_SSID2="aaaa-bbbb-cccc-dd"      # no s: means a hex key
-# preferred_aps="ESSID 1
+# preferred_aps="SSID 1
-#ESSID 2"
+#SSID 2"
 #
 # Clear? Good. Now configure your wireless network below
 
 ####################################
 # SETTINGS
-# Hard code an ESSID to an interface - leave this unset if you wish the driver
+# Hard code an SSID to an interface - leave this unset if you wish the driver
 # to scan for available Access Points
 # I would only set this as a last resort really - use the preferred_aps
 # setting at the bottom of this file
@@ -155,70 +155,68 @@
 # Setup any other config commands. This is basically the ifconfig argument
 # without the ifconfig $iface.
 #ifconfig_eth0=""
-# You can do the same per ESSID too.
+# You can do the same per SSID too.
-#ifconfig_ESSID=""
+#ifconfig_SSID=""
 
 # Seconds to wait until associated. The default is to wait 10 seconds.
 # 0 means wait indefinitely. WARNING: this can cause an infinite delay when
 # booting.
 #associate_timeout_eth0="5"
 
-# Define a WEP key per ESSID or MAC address (of the AP, not your card)
+# Define a WEP key per SSID or MAC address (of the AP, not your card)
 # The encryption type (open or restricted) must match the
 # encryption type on the Access Point.
 # To set a hex key, prefix with 0x
-#key_ESSID="0x12341234123412341234123456"
+#key_SSID="0x12341234123412341234123456"
 # or you can use strings. Passphrase IS NOT supported
-#key_ESSID="foobar"
+#key_SSID="foobar"
-#key_ESSID="foobar"
+#key_SSID="foobar"
 
 # WEP key for the AP with MAC address 001122334455
 #mac_key_001122334455="foobar"
 
 # You can also override the interface settings found in /etc/conf.d/net
-# per ESSID - which is very handy if you use different networks a lot
+# per SSID - which is very handy if you use different networks a lot
-#config_ESSID="dhcp"
+#config_SSID="dhcp"
-#routes_ESSID=
+#routes_SSID=
-#fallback_ESSID=
+#fallback_SSID=
 
 # Setting name/domain server causes /etc/resolv.conf to be overwritten
 # Note that if DHCP is used, and you want this to take precedence then
 # please put -R in your dhcpcd options
-#dns_servers_ESSID="192.168.0.1 192.168.0.2"
+#dns_servers_SSID="192.168.0.1 192.168.0.2"
-#dns_domain_ESSID="some.domain"
+#dns_domain_SSID="some.domain"
-#dns_search_path_ESSID="search.this.domain search.that.domain"
+#dns_search_SSID="search.this.domain search.that.domain"
 # Please check the man page for resolv.conf for more information
 # as domain and search (searchdomains) are mutually exclusive and
 # searchdomains takes precedence
 
 # You can also set any of the /etc/conf.d/net variables per MAC address
-# incase you use Access Points with the same ESSID but need different
+# incase you use Access Points with the same SSID but need different
 # networking configs. Below is an example - of course you use the same
 # method with other variables
 #config_001122334455="dhcp"
 #dns_servers_001122334455="192.168.0.1 192.168.0.2"
 
-# Map a MAC address to an ESSID
+# Map a MAC address to an SSID
-# This is used when the Access Point is not broadcasting it's ESSID
+# This is used when the Access Point is not broadcasting it's SSID
-# WARNING: This will override the ESSID being broadcast due to some
+# WARNING: This will override the SSID being broadcast due to some
-# Access Points sending an ESSID even when they have been configured
+# Access Points sending an SSID even when they have been configured
 # not to!
-# Change 001122334455 to the MAC address and ESSID to the ESSID
+# Change 001122334455 to the MAC address and SSID to the SSID
 # it should map to
-#mac_essid_001122334455="ESSID"
+#mac_essid_001122334455="SSID"
 
-# This lists the preferred ESSIDs to connect to in order
+# This lists the preferred SSIDs to connect to in order
-# ESSID's can contain any characters here as they must match the broadcast
+# SSID's can contain any characters here as they must match the broadcast
-# ESSID exactly.
+# SSID exactly.
-# Surround each ESSID with the " character and seperate them with a space
+# Surround each SSID with the " character and seperate them with a space
-# If the first ESSID isn't found then it moves onto the next
+# If the first SSID isn't found then it moves onto the next
 # If this isn't defined then it connects to the first one found
-#preferred_aps="ESSID 1
+#preferred_aps="SSID1 SSID2"
-#ESSID 2"
 
 # You can also define a preferred_aps list per interface
-#preferred_aps_eth0="ESSID 3
+#preferred_aps_eth0="SSID3 SSID4"
-#ESSID 4"
 
 # You can also say whether we only connect to preferred APs or not
 # Values are "any", "preferredonly", "forcepreferred", "forcepreferredonly"
@@ -238,10 +236,8 @@
 #associate_order_eth0="any"
 
 # You can define blacklisted Access Points in the same way
-#blacklist_aps="ESSID 1
+#blacklist_aps="SSID1 SSID2"
-#ESSID 2"
+#blacklist_aps_eth0="SSID3 SSID4"
-#blacklist_aps_eth0="ESSID 3
-#ESSID 4"
 
 # If you have more than one wireless card, you can say if you want
 # to allow each card to associate with the same Access Point or not
@@ -254,7 +250,7 @@
 # essid_eth0 is not set and your card is capable of scanning
 
 # NOTE: preferred_aps  list ignores blacklisted_aps - so if you have
-# the same ESSID in both, well, you're a bit silly :p
+# the same SSID in both, well, you're a bit silly :p
 
 ##################################################
 # wpa_supplicant

conf.d.Linux/net.example

@@ -298,7 +298,7 @@
 # please put -R in your dhcpcd options
 #dns_servers_SSID="192.168.0.1 192.168.0.2"
 #dns_domain_SSID="some.domain"
-#dns_search_path_SSID="search.this.domain search.that.domain"
+#dns_search_SSID="search.this.domain search.that.domain"
 # Please check the man page for resolv.conf for more information
 # as domain and search (searchdomains) are mutually exclusive and
 # searchdomains takes precedence
@@ -326,12 +326,10 @@
 # Surround each SSID with the " character and seperate them with a space
 # If the first SSID isn't found then it moves onto the next
 # If this isn't defined then it connects to the first one found
-#preferred_aps="SSID 1
+#preferred_aps="SSID1 SSID2" 
-#SSID 2"
 
 # You can also define a preferred_aps list per interface
-#preferred_aps_eth0="SSID 3
+#preferred_aps_eth0="SSID3 SSID4"
-#SSID 4'"
 
 # You can also say whether we only connect to preferred APs or not
 # Values are "any", "preferredonly", "forcepreferred", "forcepreferredonly" and "forceany"
@@ -348,10 +346,8 @@
 #associate_order_eth0="any"
 
 # You can define blacklisted Access Points in the same way
-#blacklist_aps="SSID 1
+#blacklist_aps="SSID1 SSID2"
-#SSID 2"
+#blacklist_aps_eth0="SSID3 SSID4"
-#blacklist_aps_eth0="SSID 3
-#SSID 4"
 
 # If you have more than one wireless card, you can say if you want
 # to allow each card to associate with the same Access Point or not

net.BSD/iwconfig.sh

@@ -340,7 +340,7 @@ iwconfig_scan() {
 		i=$((${i} + 1))
 	done
 
-	local i=0 e= m= s= black="$(_get_array "blacklist_aps")"
+	local i=0 e= m= s=
 
 	while [ ${i} -le ${APS} ] ; do
 		eval x=\$MAC_${i}
@@ -374,14 +374,14 @@ iwconfig_scan() {
 			eoutdent
 		fi
 
-		local IFS="$__IFS"
+		eval set -- $(_flatten_array "blacklist_aps_${IFVAR}")
-		for x in ${black}; do
+		[ $# = 0 ] && eval set -- $(_flatten_array "blacklist_aps")
+		for x in "$@"; do
 			if [ "${x}" = "${s}" ] ; then
 				ewarn "${s} has been blacklisted - not connecting"
 				unset SSID_${i} MAC_${i} CHAN_${i} QUALITY_${i} CAPS_${i}
 			fi
 		done
-		unset IFS
 		i=$((${i} + 1))
 	done
 	eoutdent
@@ -389,15 +389,13 @@ iwconfig_scan() {
 }
 
 iwconfig_force_preferred() {
-	[ -z "${preferred_aps}" ] && return 1
+	eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
+	[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
+	[ $# = 0 ] && return 1
 
 	ewarn "Trying to force preferred in case they are hidden"
-	local pref="$(_get_array "preferred_aps_${IFVAR}")"
+	local ssid=
-	[ -z "${pref}" ] && pref="$(_get_array "preferred_aps")"
+	for ssid in "$@"; do
-
-	local ssid= IFS="$__IFS"
-	for ssid in ${pref}; do
-		unset IFS
 		local found_AP=false i=0 e=
 		while [ ${i} -le ${APS:--1} ] ; do
 			eval e=\$SSID_${i}
@@ -418,13 +416,12 @@ iwconfig_force_preferred() {
 }
 
 iwconfig_connect_preferred() {
-	local ssid= i=0 mode= mac= caps= freq= chan=
+	eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
-	local pref="$(_get_array "preferred_aps_${IFVAR}")"
+	[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
-	[ -z "${pref}" ] && pref="$(_get_array "preferred_aps")"
+	[ $# = 0 ] && return 1
 
-	local IFS="$__IFS"
+	local ssid= i=0 mode= mac= caps= freq= chan=
-	for ssid in ${pref}; do
+	for ssid in "$@"; do
-		unset IFS
 		while [ ${i} -le ${APS} ]  ; do
 			eval e=\$SSID_${i}
 			if [ "${e}" = "${ssid}" ] ; then
@@ -453,16 +450,15 @@ iwconfig_connect_not_preferred() {
 			continue
 		fi
 
-		local prefa="$(_get_array preferred_aps)"
+		eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
+		[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
 		pref=false
-		local IFS="$__IFS"
+		for ssid in "$@"; do
-		for ssid in ${prefa}; do
 			if [ "${e}" = "${ssid}" ] ; then
 				pref=true
 				break
 			fi
 		done
-		unset IFS
 
 		if ! ${pref} ; then
 			SSID=${e}

net.Linux/iwconfig.sh

@@ -497,29 +497,26 @@ iwconfig_scan() {
 			eoutdent
 		fi
 
-		local blacklist="$(_get_array "blacklist_aps")"
+		eval set -- $(_flatten_array "blacklist_aps_${IFVAR}")
-		local IFS="$__IFS"
+		[ $# = 0 ] && eval set -- $(_flatten_array "blacklist_aps")
-		for x in ${blacklist}; do
+		for x in "$@"; do
-			unset IFS
 			if [ "${x}" = "${s}" ] ; then
 				ewarn "${s} has been blacklisted - not connecting"
 				unset SSID_${i} MAC_${i} CHAN_${i} QUALITY_${i} ENC_${i}
 			fi
 		done
-		unset IFS
 		i=$((${i} + 1))
 	done
 	eoutdent
 }
 
 iwconfig_force_preferred() {
-	[ -z "${preferred_aps}" ] && return 1
+	eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
+	[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
+	[ $# = 0 ] && return 1
 
 	ewarn "Trying to force preferred in case they are hidden"
-	local pref="$(_get_array "preferred_aps")" ssid=
+	for ssid in "$@"; do
-	local IFS="$__IFS"
-	for ssid in ${pref}; do
-		unset IFS
 		local found_AP=false i=0 e=
 		while [ ${i} -le ${APS} ] ; do
 			eval e=\$SSID_${i}
@@ -541,9 +538,10 @@ iwconfig_force_preferred() {
 
 iwconfig_connect_preferred() {
 	local ssid= i= mode= mac= enc= freq= chan=
-	local pref="$(_get_array preferred_aps)"
+	eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
-	local IFS="$__IFS"
+	[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
-	for ssid in ${pref}; do
+
+	for ssid in "$@"; do
 		unset IFS
 		i=0
 		while [ ${i} -le ${APS} ]  ; do
@@ -571,15 +569,14 @@ iwconfig_connect_not_preferred() {
 	while [ ${i} -le ${APS} ] ; do
 		eval e=\$SSID_${i}
 		if [ -n "${e}" ] ; then
-			local prefa="$(_get_array preferred_aps)"
+			eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
-			local IFS="$__IFS"
+			[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
-			for ssid in ${prefa}; do
+			for ssid in "$@"; do
 				if [ "${e}" = "${ssid}" ] ; then
 					pref=true
 					break
 				fi
 			done
-			unset IFS
 	
 			if ! ${pref} ; then
 				SSID=${e}

sh/net.sh

@@ -87,6 +87,26 @@ _get_array() {
 	[ -n "${_a}" ]
 }
 
+# Flatten bash arrays to simple strings
+_flatten_array() {
+	if [ -n "${BASH}" ] ; then
+		case "$(declare -p "$1" 2>/dev/null)" in
+			"declare -a "*)
+				eval "set -- \"\${$1[@]}\""
+				for x in "$@"; do
+					printf "'%s' " "$(printf "$x" | sed "s:':'\\\'':g")"
+				done
+				return 0
+				;;
+		esac
+	fi
+
+	eval _a=\$$1
+	printf "%s" "${_a}"
+	printf "\n"
+	[ -n "${_a}" ]
+}
+
 _wait_for_carrier() {
 	local timeout= efunc=einfon