config: trim/improve item names and help texts, take 2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

7 files changed, 74 insertions, 61 deletions

diff --git a/networking/ftpd.c b/networking/ftpd.c
index aee00e1c3..c562c2886 100644
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -18,11 +18,12 @@
 //config:       Simple FTP daemon. You have to run it via inetd.
 //config:
 //config:config FEATURE_FTPD_WRITE
-//config:       bool "Enable upload commands"
+//config:       bool "Enable -w (upload commands)"
 //config:       default y
 //config:       depends on FTPD
 //config:       help
-//config:       Enable all kinds of FTP upload commands (-w option)
+//config:       Enable -w option. "ftpd -w" will accept upload commands
+//config:       such as STOR, STOU, APPE, DELE, MKD, RMD, rename commands.
 //config:
 //config:config FEATURE_FTPD_ACCEPT_BROKEN_LIST
 //config:       bool "Enable workaround for RFC-violating clients"
@@ -40,7 +41,13 @@
 //config:       default y
 //config:       depends on FTPD
 //config:       help
-//config:       Enable basic system login as seen in telnet etc.
+//config:       Require login, and change to logged in user's UID:GID before
+//config:       accessing any files. Option "-a USER" allows "anonymous"
+//config:       logins (treats them as if USER logged in).
+//config:
+//config:       If this option is not selected, ftpd runs with the rights
+//config:       of the user it was started under, and does not require login.
+//config:       Take care to not launch it under root.
 
 //applet:IF_FTPD(APPLET(ftpd, BB_DIR_USR_SBIN, BB_SUID_DROP))
 
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index f8c29ab00..c2cfe82ec 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -59,11 +59,11 @@
 //config:       than the default of using the older "ifconfig" and "route" utilities.
 //config:
 //config:       If Y: you must install either the full-blown iproute2 package
-//config:       or enable "ip" applet in Busybox, or the "ifup" and "ifdown" applets
+//config:       or enable "ip" applet in busybox, or the "ifup" and "ifdown" applets
 //config:       will not work.
 //config:
 //config:       If N: you must install either the full-blown ifconfig and route
-//config:       utilities, or enable these applets in Busybox.
+//config:       utilities, or enable these applets in busybox.
 //config:
 //config:config FEATURE_IFUPDOWN_IPV4
 //config:       bool "Support IPv4"
diff --git a/networking/ip.c b/networking/ip.c
index cca7cbe12..8aaeef0db 100644
--- a/networking/ip.c
+++ b/networking/ip.c
@@ -14,8 +14,10 @@
 //config:       select PLATFORM_LINUX
 //config:       help
 //config:       The "ip" applet is a TCP/IP interface configuration and routing
-//config:       utility. You generally don't need "ip" to use busybox with
-//config:       TCP/IP.
+//config:       utility.
+//config:       Short forms (enabled below) are busybox-specific extensions.
+//config:       The standard "ip" utility does not provide them. If you are
+//config:       trying to be portable, it's better to use "ip CMD" forms.
 //config:
 //config:config IPADDR
 //config:       bool "ipaddr (14 kb)"
@@ -23,7 +25,7 @@
 //config:       select FEATURE_IP_ADDRESS
 //config:       select PLATFORM_LINUX
 //config:       help
-//config:       Support short form of ip addr: ipaddr
+//config:       Short form of "ip addr"
 //config:
 //config:config IPLINK
 //config:       bool "iplink (16 kb)"
@@ -31,7 +33,7 @@
 //config:       select FEATURE_IP_LINK
 //config:       select PLATFORM_LINUX
 //config:       help
-//config:       Support short form of ip link: iplink
+//config:       Short form of "ip link"
 //config:
 //config:config IPROUTE
 //config:       bool "iproute (15 kb)"
@@ -39,7 +41,7 @@
 //config:       select FEATURE_IP_ROUTE
 //config:       select PLATFORM_LINUX
 //config:       help
-//config:       Support short form of ip route: iproute
+//config:       Short form of "ip route"
 //config:
 //config:config IPTUNNEL
 //config:       bool "iptunnel (9.6 kb)"
@@ -47,7 +49,7 @@
 //config:       select FEATURE_IP_TUNNEL
 //config:       select PLATFORM_LINUX
 //config:       help
-//config:       Support short form of ip tunnel: iptunnel
+//config:       Short form of "ip tunnel"
 //config:
 //config:config IPRULE
 //config:       bool "iprule (10 kb)"
@@ -55,7 +57,7 @@
 //config:       select FEATURE_IP_RULE
 //config:       select PLATFORM_LINUX
 //config:       help
-//config:       Support short form of ip rule: iprule
+//config:       Short form of "ip rule"
 //config:
 //config:config IPNEIGH
 //config:       bool "ipneigh (8.3 kb)"
@@ -63,7 +65,7 @@
 //config:       select FEATURE_IP_NEIGH
 //config:       select PLATFORM_LINUX
 //config:       help
-//config:       Support short form of ip neigh: ipneigh
+//config:       Short form of "ip neigh"
 //config:
 //config:config FEATURE_IP_ADDRESS
 //config:       bool "ip address"
diff --git a/networking/telnetd.c b/networking/telnetd.c
index 6e12de07a..16c572e8d 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -54,7 +54,7 @@
 //config:
 //config:       You need to be sure that busybox has LOGIN and
 //config:       FEATURE_SUID enabled. And finally, you should make
-//config:       certain that Busybox has been installed setuid root:
+//config:       certain that busybox has been installed setuid root:
 //config:
 //config:               chown root.root /bin/busybox
 //config:               chmod 4755 /bin/busybox
diff --git a/networking/tftp.c b/networking/tftp.c
index 947e65169..5baa80448 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -22,15 +22,20 @@
 //config:       bool "tftp (12 kb)"
 //config:       default y
 //config:       help
-//config:       This enables the Trivial File Transfer Protocol client program. TFTP
-//config:       is usually used for simple, small transfers such as a root image
+//config:       Trivial File Transfer Protocol client. TFTP is usually used
+//config:       for simple, small transfers such as a root image
 //config:       for a network-enabled bootloader.
 //config:
+//config:config FEATURE_TFTP_PROGRESS_BAR
+//config:       bool "Enable progress bar"
+//config:       default y
+//config:       depends on TFTP
+//config:
 //config:config TFTPD
 //config:       bool "tftpd (10 kb)"
 //config:       default y
 //config:       help
-//config:       This enables the Trivial File Transfer Protocol server program.
+//config:       Trivial File Transfer Protocol server.
 //config:       It expects that stdin is a datagram socket and a packet
 //config:       is already pending on it. It will exit after one transfer.
 //config:       In other words: it should be run from inetd in nowait mode,
@@ -68,11 +73,6 @@
 //config:       Allow tftp to specify block size, and tftpd to understand
 //config:       "blksize" and "tsize" options.
 //config:
-//config:config FEATURE_TFTP_PROGRESS_BAR
-//config:       bool "Enable progress bar"
-//config:       default y
-//config:       depends on TFTP && FEATURE_TFTP_BLOCKSIZE
-//config:
 //config:config TFTP_DEBUG
 //config:       bool "Enable debug"
 //config:       default n
diff --git a/networking/udhcp/Config.src b/networking/udhcp/Config.src
index af2fe1835..8ab8d30ce 100644
--- a/networking/udhcp/Config.src
+++ b/networking/udhcp/Config.src
@@ -3,26 +3,14 @@
 # see scripts/kbuild/config-language.txt.
 #
 
-INSERT
-
 config UDHCPD
-        bool "udhcpd (DHCP server)"
+        bool "udhcpd"
         default y
         select PLATFORM_LINUX
         help
         udhcpd is a DHCP server geared primarily toward embedded systems,
         while striving to be fully functional and RFC compliant.
 
-config FEATURE_UDHCPD_WRITE_LEASES_EARLY
-        bool "Rewrite the lease file at every new acknowledge"
-        default y
-        depends on UDHCPD
-        help
-        If selected, udhcpd will write a new file with leases every
-        time a new lease has been accepted, thus eliminating the need
-        to send SIGUSR1 for the initial writing or updating. Any timed
-        rewriting remains undisturbed.
-
 config FEATURE_UDHCPD_BASE_IP_ON_MAC
         bool "Select IP address based on client MAC"
         default n
@@ -37,6 +25,16 @@ config FEATURE_UDHCPD_BASE_IP_ON_MAC
         for the same client to (almost always) contain the same
         IP address.
 
+config FEATURE_UDHCPD_WRITE_LEASES_EARLY
+        bool "Rewrite lease file at every new acknowledge"
+        default y
+        depends on UDHCPD
+        help
+        If selected, udhcpd will write a new file with leases every
+        time a new lease has been accepted, thus eliminating the need
+        to send SIGUSR1 for the initial writing or updating. Any timed
+        rewriting remains undisturbed.
+
 config DHCPD_LEASES_FILE
         string "Absolute path to lease file"
         default "/var/lib/misc/udhcpd.leases"
@@ -57,12 +55,12 @@ config DHCPRELAY
         bool "dhcprelay (5.8 kb)"
         default y
         help
-        dhcprelay listens for dhcp requests on one or more interfaces
-        and forwards these requests to a different interface or dhcp
+        dhcprelay listens for DHCP requests on one or more interfaces
+        and forwards these requests to a different interface or DHCP
         server.
 
 config UDHCPC
-        bool "udhcpc (DHCP client)"
+        bool "udhcpc"
         default y
         select PLATFORM_LINUX
         help
@@ -102,19 +100,25 @@ config UDHCPC_DEFAULT_SCRIPT
         examples/udhcp for a working example. Normally it is safe
         to leave this untouched.
 
+# udhcpc6 config is inserted here:
+INSERT
+
+comment "Common options for DHCP applets"
+        depends on UDHCPD || UDHCPC || UDHCPC6 || DHCPRELAY
+
 config FEATURE_UDHCP_PORT
         bool "Enable '-P port' option for udhcpd and udhcpc"
         default n
-        depends on UDHCPD || UDHCPC
+        depends on UDHCPD || UDHCPC || UDHCPC6
         help
         At the cost of ~300 bytes, enables -P port option.
         This feature is typically not needed.
 
 config UDHCP_DEBUG
-        int "Maximum verbosity level for udhcp applets (0..9)"
+        int "Maximum verbosity level (0..9)"
         default 9
         range 0 9
-        depends on UDHCPD || UDHCPC || DHCPRELAY
+        depends on UDHCPD || UDHCPC || UDHCPC6 || DHCPRELAY
         help
         Verbosity can be increased with multiple -v options.
         This option controls how high it can be cranked up.
@@ -122,23 +126,6 @@ config UDHCP_DEBUG
         Bigger values result in bigger code. Levels above 1
         are very verbose and useful for debugging only.
 
-config FEATURE_UDHCP_RFC3397
-        bool "Support RFC3397 domain search (experimental)"
-        default y
-        depends on UDHCPD || UDHCPC
-        help
-        If selected, both client and server will support passing of domain
-        search lists via option 119, specified in RFC 3397,
-        and SIP servers option 120, specified in RFC 3361.
-
-config FEATURE_UDHCP_8021Q
-        bool "Support 802.1Q VLAN parameters"
-        default y
-        depends on UDHCPD || UDHCPC
-        help
-        If selected, both client and server will support passing of VLAN
-        ID and priority via options 132 and 133 as per 802.1Q.
-
 config UDHCPC_SLACK_FOR_BUGGY_SERVERS
         int "DHCP options slack buffer size"
         default 80
@@ -149,10 +136,10 @@ config UDHCPC_SLACK_FOR_BUGGY_SERVERS
         field larger than we expect (which might also be considered a
         buffer overflow attempt). These packets are normally discarded.
         If circumstances beyond your control force you to support such
-        servers, this may help. The upper limit (924) makes dhcpc accept
+        servers, this may help. The upper limit (924) makes udhcpc accept
         even 1500 byte packets (maximum-sized ethernet packets).
 
-        This option does not make dhcp[cd] emit non-standard
+        This option does not make udhcp[cd] emit non-standard
         sized packets.
 
         Known buggy DHCP servers:
@@ -161,3 +148,20 @@ config UDHCPC_SLACK_FOR_BUGGY_SERVERS
                 maximum size of entire IP packet, and sends packets
                 which are 28 bytes too large.
         Seednet (ISP) VDSL: sends packets 2 bytes too large.
+
+config FEATURE_UDHCP_RFC3397
+        bool "Support RFC 3397 domain search options"
+        default y
+        depends on UDHCPD || UDHCPC
+        help
+        If selected, both client and server will support passing of domain
+        search lists via option 119, specified in RFC 3397,
+        and SIP servers option 120, specified in RFC 3361.
+
+config FEATURE_UDHCP_8021Q
+        bool "Support 802.1Q VLAN parameters options"
+        default y
+        depends on UDHCPD || UDHCPC
+        help
+        If selected, both client and server will support passing of VLAN
+        ID and priority via options 132 and 133 as per 802.1Q.
diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index 5ebd05d01..43081efca 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -10,7 +10,7 @@
  */
 
 //config:config UDHCPC6
-//config:       bool "udhcpc6 (DHCPv6 client, EXPERIMENTAL)"
+//config:       bool "udhcpc6"
 //config:       default n  # not yet ready
 //config:       depends on FEATURE_IPV6
 //config:       help