RDC R32xx/HB30x Web UI & System Configuration Design March. 23, 2006 draft version 0.99 RDC...
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Transcript of RDC R32xx/HB30x Web UI & System Configuration Design March. 23, 2006 draft version 0.99 RDC...
![Page 1: RDC R32xx/HB30x Web UI & System Configuration Design March. 23, 2006 draft version 0.99 RDC Semiconductor Co., Ltd. All Rights Reserved.](https://reader036.fdocuments.us/reader036/viewer/2022062720/56649efb5503460f94c0e3da/html5/thumbnails/1.jpg)
RDC R32xx/HB30x
Web UI & System Configuration Design March. 23, 2006 draft version 0.99
RDC Semiconductor Co., Ltd. All Rights Reserved.
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Architecture – Linux Boot Up
Linux Kernel Boot Up & Initialization
Get & Check configuration in Flash
Read configuration data, then initial & enable application
Configuration data stored in the Flash
Get default configuration in Filesystem Default configuration data stored in the RAMDisk
Yes, FoundNo, not found
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System Configuration & Flash Format
Address define in the //linux2425/drivers/mtd/maps/physmap.c
Linux Kernel
Configuration Database
Ram Disk(File System)
Redboot
0x1F0000
0x200000
0x3E0000
0x3FFFFF
0x000000
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Get/Store Configuration in the Flash
• Get the configuration1. Read data from the flash (MTD block 2)
cat /dev/mtdblock/2 > /tmp/config.tar.gz
2. Decompress the data & check the formattar -zxvf /tmp/config.tar.gzif [ -r /tmp/configuration/sysinfo.conf] ….
• Store the configuration1. Compress the configuration data into a file
tar -cvzf /tmp/config.tar.gz /tmp/configuration
2. Store the file to the flash (MTD block 2)cat /tmp/config.tar.gz > /dev/mtdblock/2
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System Configuration - File Lists
sysinfo.conf lan.conf wan.conf wireless.conf manage.conf
Put in the /tmp/configuration directory Demo & show configuration file
. /tmp/configuration : run time configuration data base
. /http/config.tar.gz : default configuration file
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System Configuration - Data Structure
# start eth1 Tag to define start DHCP_SERVER=ON Variable, Value IPADDR=1.1.1.246 SUBNETMASK=255.255.254.0# end eth1 Tag to define end
Example : lan.conf
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Linux Boot Up – Start Service
inittab (/etc)
rcS (/etc/init.d)
S50StartService (/etc/init.d)
getmac.sh (/etc/app)getlan.sh …nat.sh …
RDC’s application entry point1. Get & check configuration file2. Invoke individual process
Process Functions 1. Read the variable, value pair2. Apply and enable the configuration
( Demo and explain the program: S50StartService & getmac.sh )
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Web UI – Http daemon start up
•Http daemon start up
Linux boot up initialization
Startup http daemon
S50StartService(/etc/init.d) will start up the thttp daemon (/http) ### Start Http Daemon #### chmod 755 /http/webroot r+x attribute chmod 644 /http/webroot/*.htm r attribute, no x chmod 755 /http/webroot/*.cgi r+x attribute /http/thttpd -C /http/thttpd.conf
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Web UI – thttp.conf
user=rootcgipat=**.cgilogfile=/tmp/thttpd.log Must be assignedpidfile=/tmp/thttpd.pidport=80Globalpasswddir=/http/webroot Html pathnochroot
•Put in the /http directory
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Web UI – Show html
Http daemon receive html request
RDC’s CGI function
Get the run time configuration data
Run timeConfiguration Database
(/tmp/configuration)
Patch & output
( Demo lan_eth1.cgi & lan_eth1.htm )
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Web UI – Post and Save configuration
Http Daemon receive POST request
RDC’s CGI function
Call proccgi - Get the value to enviroment parameter
Get the value and save torun time configuration space
Run timeConfiguration Database
(/tmp/configuration)
( Demo lan_eth1.cgi & lan_eth1.htm )
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Files List - Review
• S50StartService (/etc/init.d/) RDC main entry point in Linux system boot up• /etc/app Get & apply configuration function directory• /etc/http
1. config.tar.gz Default configuration file2. thttpd, thttpd.conf Http daemon3. /etc/http/configuration Original default configuration file lists (No compressed, no used in the run time code ,can be removed to save memory)4. /etc/http/webroot HTML & CGI root files
• /tmp1. thttpd.log, thttpd.pid Http daemon log files2. config.tar.gz From the flash or default configuration file3. /tmp/configuration Run time configuration data base
• brctl,iptables,iwpriv Put in the /etc/app directory• proccgi Put in the /sbin directory
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Web Firmware Upgrade
A tar-ball file include upgrade.lst and all image file( bzImage, redboot.bin, root_fs_i386.ext2.gz).
upgrade.lst control what image will be upgrade
upgrade.lst contents
# start upgrade_files
KERNEL_IMAGE=bzImage
ROOT_IMAGE=root_fs_i386.ext2.gz
REDBOOT_IMAGE=redboot.bin
# end upgrade_files
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Next version
• Improvement
1. Support Javascript on html, let user configure it more friendly
• Add on functions1. DHCP Client in the Wan site2. DHCP Server in the Lan site3. Wireless WEP security support4. FTP/Samba IDE/USB storage access
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Q & A
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