From 6ed6803d0dd8cd3fc93208d614c3558b962a654e Mon Sep 17 00:00:00 2001
From: Jouke Witteveen <j.witteveen@gmail.com>
Date: Sun, 15 Apr 2012 11:51:43 +0200
Subject: Restore support for kernel command line

It is once again possible to use NET= at the kernel command line when using net-profiles.
---
 Makefile                |  7 +++----
 rc.d/net-profiles       | 26 +++++++++++---------------
 rc.d/net-set-variable   | 10 ++++++++++
 scripts/netcfg-menu     | 11 +++++------
 systemd/netcfg@.service |  2 +-
 5 files changed, 30 insertions(+), 26 deletions(-)
 create mode 100644 rc.d/net-set-variable

diff --git a/Makefile b/Makefile
index 7ab32ea..2b7ad63 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ export VERSION = 2.8.0
 install: install-docs
 	# Configuration files
 	install -d $(DESTDIR)/etc/network.d/{examples,interfaces}
-	install -D -m644 config/netcfg $(DESTDIR)/etc/conf.d/netcfg
+	install -Dm644 config/netcfg $(DESTDIR)/etc/conf.d/netcfg
 	install -m644 config/iftab $(DESTDIR)/etc/iftab
 	install -m644 docs/examples/* $(DESTDIR)/etc/network.d/examples/
 	# Libs
@@ -26,7 +26,7 @@ install: install-docs
 	    $(DESTDIR)/usr/bin/
 	install -Dm755 scripts/ifplugd.action $(DESTDIR)/etc/ifplugd/netcfg.action
 	# Daemons
-	install -d $(DESTDIR)/etc/rc.d
+	install -Dm755 rc.d/net-set-variable $(DESTDIR)/etc/rc.d/functions.d/net-set-variable
 	install -m755 \
 	    rc.d/net-profiles \
 	    rc.d/net-rename \
@@ -39,9 +39,8 @@ install: install-docs
 	    $(DESTDIR)/usr/lib/systemd/system/
 
 install-docs: docs
-	install -d $(DESTDIR)/usr/share/man/man5
+	install -d $(DESTDIR)/usr/share/man/{man5,man8}
 	install -m644 docs/*.5 $(DESTDIR)/usr/share/man/man5/
-	install -d $(DESTDIR)/usr/share/man/man8
 	install -m644 docs/*.8 $(DESTDIR)/usr/share/man/man8/
 	install -d $(DESTDIR)/usr/share/doc/netcfg/contrib
 	install -m644 docs/*.html $(DESTDIR)/usr/share/doc/netcfg/
diff --git a/rc.d/net-profiles b/rc.d/net-profiles
index 66f0851..ae9c00e 100755
--- a/rc.d/net-profiles
+++ b/rc.d/net-profiles
@@ -14,7 +14,7 @@ case "$1" in
 
         # Ensure any device renaming has occurred as intended
         for daemon in "${DAEMONS[@]}"; do
-            if [[ "$daemon" = "net-rename" ]]; then
+            if [[ $daemon = net-rename ]]; then
                 if ck_daemon net-rename; then
                     /etc/rc.d/net-rename start
                 fi
@@ -22,23 +22,19 @@ case "$1" in
         done
 
         # $NET env var is passed from the kernel boot line
-        if [[ "$NET" = "menu" ]]; then
-            if /usr/bin/netcfg-menu; then
-                mv "$STATE_DIR"/{menu,netcfg-daemon}        # JP: user may want to disconnect profile by calling net-profiles stop
-                add_daemon net-profiles
-                exit 0
+        if [[ -n $NET ]]; then
+            # Record the connected profile for net-profiles stop
+            if [[ $NET = menu ]]; then
+                /usr/bin/netcfg-menu || exit 1
+                mv "$STATE_DIR"/{menu,netcfg-daemon}
+            else
+                /usr/bin/netcfg check-iface "$NET" || exit 1
+                echo "$NET" > "$STATE_DIR/netcfg-daemon"
             fi
-        elif [[ -n "$NET" ]]; then
-            if /usr/bin/netcfg check-iface "$NET"; then
-                echo "$NET" > "$STATE_DIR/netcfg-daemon"        # JP: user may want to disconnect profile by calling net-profiles stop
-                add_daemon net-profiles
-                exit 0
-            fi
-        elif /usr/bin/netcfg-daemon start; then
-            add_daemon net-profiles
-        else
+        elif ! /usr/bin/netcfg-daemon start; then
             exit_err "No profile started."
         fi
+        add_daemon net-profiles
         ;;
     stop)
         if ck_daemon net-profiles; then
diff --git a/rc.d/net-set-variable b/rc.d/net-set-variable
new file mode 100644
index 0000000..cc881e7
--- /dev/null
+++ b/rc.d/net-set-variable
@@ -0,0 +1,10 @@
+# Set the NET variable if specified on the kernel command line.
+
+net-set-variable() {
+	local re="\<NET=([^ ]+)\>"
+	if [[ -f /proc/cmdline && $(< /proc/cmdline) =~ $re ]]; then
+		export NET=${BASH_REMATCH[1]}
+	fi
+}
+
+add_hook multi_start net-set-variable
diff --git a/scripts/netcfg-menu b/scripts/netcfg-menu
index a62838a..b6aa402 100755
--- a/scripts/netcfg-menu
+++ b/scripts/netcfg-menu
@@ -48,14 +48,13 @@ ret=$?
 case $ret in
     1) ;; # Cancel - do nothing
     255) # timeout - use default
-        profile_up "$DEFAULT"       # JP: use profile_up and catch $?
-        ret=$?
-        (( ret == 0 )) && echo "$DEFAULT" > "$STATE_DIR/menu"
-        ;;
+        PROFILE=$DEFAULT;;&
     0)  # User selection
-        profile_up "$(< "$ANSWER")"
+        PROFILE=$(< "$ANSWER");;&
+    255|0)
+        profile_up "$PROFILE"
         ret=$?
-        (( ret == 0 )) && mv "$ANSWER" "$STATE_DIR/menu"
+        (( ret == 0 )) && echo "$PROFILE" > "$STATE_DIR/menu"
         ;;
     *)  # Shouldnt happen
         exit_err "Abnormal ret code from dialog: $ret"
diff --git a/systemd/netcfg@.service b/systemd/netcfg@.service
index 5c0619d..94b0c76 100644
--- a/systemd/netcfg@.service
+++ b/systemd/netcfg@.service
@@ -1,5 +1,5 @@
 [Unit]
-Description=Netcfg profile based networking service
+Description=Netcfg networking service for profile %i
 Before=network.target
 
 [Service]
-- 
cgit v1.2.3-24-g4f1b