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kernel-panic69
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Posts: 8002
Location: Texas, USA

Posted: Thu Jun 18, 2020 15:42 Post subject:

Although this thread was initially started when Broadcom was the main focus, I am moving this to "Generic" and making it a sticky.
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tkmds
DD-WRT User

Joined: 04 Sep 2011
Posts: 92
Location: SA

Posted: Thu Jun 25, 2020 22:25 Post subject:

Hey All,

@egc, @yoyoma2, @rkboni

Trying to get a few modules compiled ( or downloaded ) to get StrongSwan / IPSec working correctly. Traffic from Azure down to on-prem works fine across private VLAN's. Nothing I did so far helped to get traffic up to Azure VLAN's .

Code:

ah4
ah6
esp4
esp6
xfrm4_tunnel
xfrm6_tunnel
xfrm_user
ip_tunnel
tunnel
tunnel6
xfrm4_mode_tunnel
xfrm6_mode_tunnel

So tried a few things to get everything working, including sourcing precompiled modules from OpenWRT and compiling them on my own. But no luck. Running into

Code:

root  ~  linux-4.4  svn update
Updating '.':
U arch/mips/brcm-boards/bcm947xx/gpio.c
U arch/mips/brcm-boards/bcm947xx/prom.c
Updated to revision 43522.
root  ~  linux-4.4 

root  ~  linux-4.4 
root  ~  linux-4.4  make config
Makefile:534: arch//Makefile: No such file or directory
make: *** No rule to make target `arch//Makefile'. Stop.
root  ~  linux-4.4 
root  ~  linux-4.4  ls -altri /xfs/
total 4
128 dr-xr-xr-x. 26 root root 4096 Jun 23 23:00 ..
1448898 lrwxrwxrwx. 1 root root 16 Jun 23 23:01 toolchains -> /root/toolchains
1448897 drwxr-xr-x. 2 root root 23 Jun 23 23:01 .
You have new mail in /var/spool/mail/root
root  ~  linux-4.4 

In the least I need xfrm_user and it's dependencies working correctly.

Before I start taking apart the repo, could you let me know if I'm going down the wrong path above? Perhaps I should be using another svn repo if the one above doesn't work in order to compile and include xfrm4* modules?

----------------------------------------------

----------------------------------------------
Router / Version: Asus RT-AC68U
File/Kernel: 4.4.228 #380 SMP Tue Jun 23 08:47:04 +04 2020 armv7l DD-WRT
Issues/Errors: none
Mode: OSPF Router
Firmware: RT-AC68U: DD-WRT v3.0-r43502 std (06/23/20)
Notables: OSPF - Fully working. ( https://svn.dd-wrt.com/ticket/6937 can be closed then. )

---------------------------

REF: https://wiki.strongswan.org/projects/strongswan/wiki/KernelModules
REF: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=325479&postdays=0&postorder=asc&start=0
_________________
Cheers, TK
------------------------

egc
DD-WRT Guru

Joined: 18 Mar 2014
Posts: 7217
Location: Netherlands

Posted: Fri Jun 26, 2020 9:21 Post subject:

Compiling for DDWRT is rather difficult (understatement of the year)
You need the right build system although BS is using Opensuse , Ubuntu 18.06 will also do,

You must cross compile for Arm cortex A9 (in your case as it was for an AC68U?), so you need the right toolchain, the toolchains you can download from the DDWRT website are however out dated, BS is using newer toolchains, you can try with the latest available.

Theoretically you should be able to compile for one package but there are so many unresolved dependencies that that maybe does not work.

I have taken a look and do not know what configration option will compile your modules, maybe IPSEC, SOFTETHER or STRONGSWAN, those are the options I can find.

I am not the greatest cross compiling expert but I will add in strongswan and see what is compiled
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egc
DD-WRT Guru

Joined: 18 Mar 2014
Posts: 7217
Location: Netherlands

Posted: Fri Jun 26, 2020 12:22 Post subject:

Strongswan does not compile maybe it s left over from Kong things are missing to compile now.

Attached the best I can do from an old Kong build

xfrm.zip

Description:

Download

Filename:

xfrm.zip

Filesize:

57.59 KB

Downloaded:

83 Time(s)

tkmds
DD-WRT User

Joined: 04 Sep 2011
Posts: 92
Location: SA

Posted: Fri Jun 26, 2020 12:56 Post subject:

Yep, realizing I'm just treading water here on my CentOS 7, which you've just pointed out as the first wrong thing I'm doing:

Code:

[root@dd-wrt01 router]# make -f Makefile.northstar jansson
libtool: link: arm-linux-uclibc-ar cru .libs/libjansson.a dump.o error.o hashtable.o hashtable_seed.o load.o memory.o pack_unpack.o strbuffer.o strconv.o utf.o value.o
arm-linux-uclibc-ar: error while loading shared libraries: libfl.so.2: cannot open shared object file: No such file or directory
make[3]: *** [libjansson.la] Error 127
make[3]: Leaving directory `/root/DD-WRT/src/router/jansson/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/root/DD-WRT/src/router/jansson'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/root/DD-WRT/src/router/jansson'
make: *** [jansson] Error 2
[root@dd-wrt01 router]#

And the original:

Code:

[root@dd-wrt01 linux-4.4]# make modules
Makefile:636: arch//Makefile: No such file or directory
make: *** No rule to make target `arch//Makefile'. Stop.
[root@dd-wrt01 linux-4.4]#

I've installed StrongSwan from available packages (opkg). Just needed the xfrm4* kernel modules.
_________________
Cheers, TK
------------------------

egc
DD-WRT Guru

Joined: 18 Mar 2014
Posts: 7217
Location: Netherlands

Posted: Fri Jun 26, 2020 13:02 Post subject:

tkmds
DD-WRT User

Joined: 04 Sep 2011
Posts: 92
Location: SA

Posted: Fri Jun 26, 2020 13:08 Post subject:

Hmm, I'm missing something very basic. This is the FW I have:

https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2020/06-23-2020-r43502/asus-rt-ac68u/

But this is what I'm getting from the modules:

Code:

root@DD-WRT:/opt/xfrm4#
root@DD-WRT:/opt/xfrm4#
root@DD-WRT:/opt/xfrm4# insmod *
insmod: cannot insert 'ah4.ko': unknown symbol in module
root@DD-WRT:/opt/xfrm4# insmod xfrm4_tunnel.ko
insmod: cannot insert 'xfrm4_tunnel.ko': unknown symbol in module
root@DD-WRT:/opt/xfrm4# uname -a
Linux DD-WRT 4.4.228 #380 SMP Tue Jun 23 08:47:04 +04 2020 armv7l DD-WRT
root@DD-WRT:/opt/xfrm4# nvram show|grep -Ei 43502
size: 62675 bytes (2861 left)
os_version=43502
root@DD-WRT:/opt/xfrm4#
root@DD-WRT:/opt/xfrm4#
root@DD-WRT:/opt/xfrm4#
root@DD-WRT:/opt/xfrm4# sha1sum xfrm.zip xfrm4_tunnel.ko xfrm_user.ko
b1a9ff612c3bd804a7deaf6acb20f0df30588878 xfrm.zip
043fbe92151df75fdc256cd3618b7e04be6736ae xfrm4_tunnel.ko
8ef2821b9c46c0e85663a2874d517ff1237d7030 xfrm_user.ko
root@DD-WRT:/opt/xfrm4#

_________________
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------------------------

tkmds
DD-WRT User

Joined: 04 Sep 2011
Posts: 92
Location: SA

Posted: Fri Jun 26, 2020 13:28 Post subject:

Tried all from the zip file. Two did insert:

Code:

root@DD-WRT:/opt/xfrm4# insmod tunnel4.ko
root@DD-WRT:/opt/xfrm4# insmod ip_tunnel.ko
root@DD-WRT:/opt/xfrm4# insmod xfrm_algo.ko

then I was able to insert this guy:

Code:

root@DD-WRT:/opt/xfrm4# insmod xfrm4_tunnel.ko

then

Code:

root@DD-WRT:/opt/xfrm4# insmod xfrm_ipcomp.ko

Trying a few more combinations with the rest of them.
_________________
Cheers, TK
------------------------

tkmds
DD-WRT User

Joined: 04 Sep 2011
Posts: 92
Location: SA

Posted: Fri Jun 26, 2020 13:47 Post subject:

So this is what ends up inserted but nothing else:

Code:

root@DD-WRT:/opt/xfrm4# for mods in $(echo tunnel4.ko ip_tunnel.ko xfrm_algo.ko xfrm4_tunnel.ko xfrm_ipcomp.ko esp4.ko ah4.
ko xfrm4_mode_beet.ko xfrm4_mode_beet.ko xfrm4_mode_transport.ko xfrm4_mode_tunnel.ko xfrm_user.ko); do insmod $mods; done
insmod: cannot insert 'tunnel4.ko': File exists
insmod: cannot insert 'ip_tunnel.ko': File exists
insmod: cannot insert 'xfrm_algo.ko': File exists
insmod: cannot insert 'xfrm4_tunnel.ko': File exists
insmod: cannot insert 'xfrm_ipcomp.ko': File exists
insmod: cannot insert 'esp4.ko': File exists
insmod: cannot insert 'ah4.ko': File exists
insmod: cannot insert 'xfrm4_mode_beet.ko': File exists
insmod: cannot insert 'xfrm4_mode_beet.ko': File exists
insmod: cannot insert 'xfrm4_mode_transport.ko': File exists
insmod: cannot insert 'xfrm4_mode_tunnel.ko': File exists
insmod: cannot insert 'xfrm_user.ko': unknown symbol in module
root@DD-WRT:/opt/xfrm4#

Only thing I can surmise is that there's another dependency missing on xfrm_user.ko .

Code:

root@DD-WRT:/opt/xfrm4# strings xfrm_user.ko|grep -Ei depends
depends=xfrm_algo
root@DD-WRT:/opt/xfrm4# insmod xfrm_algo.ko
insmod: cannot insert 'xfrm_algo.ko': File exists
root@DD-WRT:/opt/xfrm4# lsmod|grep xfrm_algo
xfrm_algo 3645 3 ah4,esp4,xfrm_ipcomp
root@DD-WRT:/opt/xfrm4#

Very close to what I need now.

Could you please include these in the zip for dependencies?

root@DD-WRT:/opt/xfrm4# insmod -v xfrm_user.ko; dmesg tail|grep -Ei xfrm
Using xfrm_user.ko
insmod: cannot insert 'xfrm_user.ko': unknown symbol in module
xfrm_user: Unknown symbol security_xfrm_state_delete (err 0)
xfrm_user: Unknown symbol security_xfrm_state_alloc (err 0)
xfrm_user: Unknown symbol security_xfrm_policy_alloc (err 0)
xfrm_user: Unknown symbol security_xfrm_policy_free (err 0)

So just need xfrm_state and xfrm_policy I guess:

[root@dd-wrt01 linux-4.4]# find ./ -iname xfrm*|grep -Ei "state|policy"
./net/ipv4/xfrm4_policy.c
./net/ipv4/xfrm4_state.c

They should be in the same folder as the ones you've zipped up and uploaded.
_________________
Cheers, TK
------------------------

tkmds
DD-WRT User

Joined: 04 Sep 2011
Posts: 92
Location: SA

Posted: Sat Jun 27, 2020 0:27 Post subject:

I cheated:

Code:

[root@dd-wrt01 router]# strace -s 256 -f arm-linux-uclibc-ar
execve("/xfs/toolchains/toolchain-arm_cortex-a9_gcc-8.2.0_musl_eabi//bin/arm-linux-uclibc-ar", ["arm-linux-uclibc-ar"], [/* 22 vars */]) = 0
brk(NULL) = 0x10f5000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76272f3000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=33317, ...}) = 0
mmap(NULL, 33317, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f76272ea000
close(3) = 0
open("/lib64/tls/x86_64/libfl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/tls/x86_64", 0x7ffd62f96340) = -1 ENOENT (No such file or directory)
open("/lib64/tls/libfl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/tls", {st_mode=S_IFDIR|0555, st_size=6, ...}) = 0
open("/lib64/x86_64/libfl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/x86_64", 0x7ffd62f96340) = -1 ENOENT (No such file or directory)
open("/lib64/libfl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64", {st_mode=S_IFDIR|0555, st_size=32768, ...}) = 0
open("/usr/lib64/tls/x86_64/libfl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/tls/x86_64", 0x7ffd62f96340) = -1 ENOENT (No such file or directory)
open("/usr/lib64/tls/libfl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/tls", {st_mode=S_IFDIR|0555, st_size=6, ...}) = 0
open("/usr/lib64/x86_64/libfl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/x86_64", 0x7ffd62f96340) = -1 ENOENT (No such file or directory)
open("/usr/lib64/libfl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib64", {st_mode=S_IFDIR|0555, st_size=32768, ...}) = 0
writev(2, [{"arm-linux-uclibc-ar", 19}, {": ", 2}, {"error while loading shared libraries", 36}, {": ", 2}, {"libfl.so.2", 10}, {": ", 2}, {"cannot open shared object file", 30}, {": ", 2}, {"No such file or directory", 25}, {"\n", 1}], 10arm-linux-uclibc-ar: error while loading shared libraries: libfl.so.2: cannot open shared object file: No such file or directory
) = 129
exit_group(127) = ?
+++ exited with 127 +++
[root@dd-wrt01 router]#

Code:

[root@dd-wrt01 router]#
[root@dd-wrt01 router]#
[root@dd-wrt01 router]# cd /lib64/tls/x86_64/
-bash: cd: /lib64/tls/x86_64/: No such file or directory
[root@dd-wrt01 router]# cd /lib64/tls/
[root@dd-wrt01 tls]# find / -iname libfl.so.2
/opt/slapos/parts/flex/lib/libfl.so.2
[root@dd-wrt01 tls]# ls -altri /opt/slapos/parts/flex/lib/
total 20
280955108 -rwxr-xr-x. 1 root root 5896 Apr 27 17:53 libfl.so.2.0.0
280955111 -rwxr-xr-x. 1 root root 5896 Apr 27 17:53 libfl_pic.so.2.0.0
280955106 lrwxrwxrwx. 1 root root 14 Jun 26 08:34 libfl.so -> libfl.so.2.0.0
175263320 drwxr-xr-x. 4 root root 26 Jun 26 08:34 ..
280955107 lrwxrwxrwx. 1 root root 14 Jun 26 08:34 libfl.so.2 -> libfl.so.2.0.0
280955110 lrwxrwxrwx. 1 root root 18 Jun 26 08:34 libfl_pic.so.2 -> libfl_pic.so.2.0.0
280955109 lrwxrwxrwx. 1 root root 18 Jun 26 08:34 libfl_pic.so -> libfl_pic.so.2.0.0
280955105 drwxr-xr-x. 2 root root 4096 Jun 26 08:34 .
[root@dd-wrt01 tls]# ln -s /opt/slapos/parts/flex/lib/libfl.so.2.0.0 libfl.so.2
[root@dd-wrt01 tls]# ln -s /opt/slapos/parts/flex/lib/libfl_pic.so.2.0.0 libfl_pic.so.2
[root@dd-wrt01 tls]# ln -s /opt/slapos/parts/flex/lib/libfl.so.2.0.0 libfl.so
[root@dd-wrt01 tls]# ln -s /opt/slapos/parts/flex/lib/libfl_pic.so.2.0.0 libfl_pic.so
[root@dd-wrt01 tls]# ls -altri
total 52
201326728 dr-xr-xr-x. 52 root root 32768 Jun 26 08:49 ..
175157790 lrwxrwxrwx. 1 root root 41 Jun 26 20:20 libfl.so.2 -> /opt/slapos/parts/flex/lib/libfl.so.2.0.0
134301613 lrwxrwxrwx. 1 root root 45 Jun 26 20:20 libfl_pic.so.2 -> /opt/slapos/parts/flex/lib/libfl_pic.so.2.0.0
134766022 lrwxrwxrwx. 1 root root 41 Jun 26 20:20 libfl.so -> /opt/slapos/parts/flex/lib/libfl.so.2.0.0
134766023 lrwxrwxrwx. 1 root root 45 Jun 26 20:22 libfl_pic.so -> /opt/slapos/parts/flex/lib/libfl_pic.so.2.0.0
134299903 dr-xr-xr-x. 2 root root 78 Jun 26 20:22 .
[root@dd-wrt01 tls]# pwd
/lib64/tls
[root@dd-wrt01 tls]# cd /root/DD-WRT/src/router/
[root@dd-wrt01 router]#

Code:

[root@dd-wrt01 router]# make -f Makefile.northstar jansson
stat: missing operand
Try 'stat --help' for more information.
cat: /root/DD-WRT/src/linux/universal/linux-4.4/include/config/kernel.release: No such file or directory
rules/lighttpd.mk:26: warning: overriding recipe for target `lighttpd-configure'
rules/lighttpd.mk:26: warning: ignoring old recipe for target `lighttpd-configure'
rules/lighttpd.mk:31: warning: overriding recipe for target `lighttpd'
rules/lighttpd.mk:31: warning: ignoring old recipe for target `lighttpd'
rules/lighttpd.mk:34: warning: overriding recipe for target `lighttpd-clean'
rules/lighttpd.mk:34: warning: ignoring old recipe for target `lighttpd-clean'
rules/lighttpd.mk:37: warning: overriding recipe for target `lighttpd-install'
rules/lighttpd.mk:37: warning: ignoring old recipe for target `lighttpd-install'
make -C jansson
make[1]: Entering directory `/root/DD-WRT/src/router/jansson'
make all-recursive
make[2]: Entering directory `/root/DD-WRT/src/router/jansson'
Making all in doc
make[3]: Entering directory `/root/DD-WRT/src/router/jansson/doc'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/root/DD-WRT/src/router/jansson/doc'
Making all in src
make[3]: Entering directory `/root/DD-WRT/src/router/jansson/src'
/bin/sh ../libtool --tag=CC --mode=link ccache arm-linux-uclibc-gcc -Wall -Wextra -Wdeclaration-after-statement -Os -pipe -mcpu=cortex-a9 -mtune=cortex-a9 -msoft-float -mfloat-abi=soft -fno-caller-saves -fno-plt -ffunction-sections -fdata-sections -Wl,--gc-sections -fPIC -no-undefined -export-symbols-regex '^^dd_json_' -version-info 14:0:10 -lm -o libjansson.la -rpath /usr/lib dump.lo error.lo hashtable.lo hashtable_seed.lo load.lo memory.lo pack_unpack.lo strbuffer.lo strconv.lo utf.lo value.lo
libtool: link: rm -fr .libs/libjansson.exp .libs/libjansson.so .libs/libjansson.so.4 .libs/libjansson.so.4.10.0 .libs/libjansson.ver
libtool: link: arm-linux-uclibc-nm .libs/dump.o .libs/error.o .libs/hashtable.o .libs/hashtable_seed.o .libs/load.o .libs/memory.o .libs/pack_unpack.o .libs/strbuffer.o .libs/strconv.o .libs/utf.o .libs/value.o | sed -n -e 's/^.*[ ]$[ABCDGIRSTW][ABCDGIRSTW]*$[ ][ ]*$[_A-Za-z][_A-Za-z0-9]*$$/\1 \2 \2/p' | sed '/ __gnu_lto/d' | /bin/sed 's/.* //' | sort | uniq > .libs/libjansson.exp
libtool: link: /bin/grep -E -e "^^dd_json_" ".libs/libjansson.exp" > ".libs/libjansson.expT"
libtool: link: mv -f ".libs/libjansson.expT" ".libs/libjansson.exp"
libtool: link: echo "{ global:" > .libs/libjansson.ver
libtool: link: cat .libs/libjansson.exp | sed -e "s/$.*$/\1;/" >> .libs/libjansson.ver
libtool: link: echo "local: *; };" >> .libs/libjansson.ver
libtool: link: ccache arm-linux-uclibc-gcc -shared -fPIC -DPIC .libs/dump.o .libs/error.o .libs/hashtable.o .libs/hashtable_seed.o .libs/load.o .libs/memory.o .libs/pack_unpack.o .libs/strbuffer.o .libs/strconv.o .libs/utf.o .libs/value.o -lm -Os -mcpu=cortex-a9 -mtune=cortex-a9 -msoft-float -mfloat-abi=soft -Wl,--gc-sections -Wl,-soname -Wl,libjansson.so.4 -Wl,-version-script -Wl,.libs/libjansson.ver -o .libs/libjansson.so.4.10.0
libtool: link: (cd ".libs" && rm -f "libjansson.so.4" && ln -s "libjansson.so.4.10.0" "libjansson.so.4")
libtool: link: (cd ".libs" && rm -f "libjansson.so" && ln -s "libjansson.so.4.10.0" "libjansson.so")
libtool: link: arm-linux-uclibc-ar cru .libs/libjansson.a dump.o error.o hashtable.o hashtable_seed.o load.o memory.o pack_unpack.o strbuffer.o strconv.o utf.o value.o
arm-linux-uclibc-ar: `u' modifier ignored since `D' is the default (see `U')
libtool: link: arm-linux-uclibc-ranlib .libs/libjansson.a
libtool: link: ( cd ".libs" && rm -f "libjansson.la" && ln -s "../libjansson.la" "libjansson.la" )
make[3]: Leaving directory `/root/DD-WRT/src/router/jansson/src'
Making all in test
make[3]: Entering directory `/root/DD-WRT/src/router/jansson/test'
Making all in bin
make[4]: Entering directory `/root/DD-WRT/src/router/jansson/test/bin'
make[4]: Nothing to be done for `all'.
make[4]: Leaving directory `/root/DD-WRT/src/router/jansson/test/bin'
Making all in suites
make[4]: Entering directory `/root/DD-WRT/src/router/jansson/test/suites'
Making all in api
make[5]: Entering directory `/root/DD-WRT/src/router/jansson/test/suites/api'
make[5]: Nothing to be done for `all'.
make[5]: Leaving directory `/root/DD-WRT/src/router/jansson/test/suites/api'
make[5]: Entering directory `/root/DD-WRT/src/router/jansson/test/suites'
make[5]: Nothing to be done for `all-am'.
make[5]: Leaving directory `/root/DD-WRT/src/router/jansson/test/suites'
make[4]: Leaving directory `/root/DD-WRT/src/router/jansson/test/suites'
make[4]: Entering directory `/root/DD-WRT/src/router/jansson/test'
make[4]: Nothing to be done for `all-am'.
make[4]: Leaving directory `/root/DD-WRT/src/router/jansson/test'
make[3]: Leaving directory `/root/DD-WRT/src/router/jansson/test'
make[3]: Entering directory `/root/DD-WRT/src/router/jansson'
make[3]: Leaving directory `/root/DD-WRT/src/router/jansson'
make[2]: Leaving directory `/root/DD-WRT/src/router/jansson'
make[1]: Leaving directory `/root/DD-WRT/src/router/jansson'
[root@dd-wrt01 router]#

Code:

[root@dd-wrt01 router]# rpm -qf /opt/slapos/parts/flex/lib/libfl.so.2
slapos.node-1.0.144-1.2.x86_64
[root@dd-wrt01 router]# cat /etc/*release*
CentOS Linux release 7.4.1708 (Core)
Derived from Red Hat Enterprise Linux 7.4 (Source)
NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

CentOS Linux release 7.4.1708 (Core)
CentOS Linux release 7.4.1708 (Core)
cpe:/o:centos:centos:7
[root@dd-wrt01 router]#
[root@dd-wrt01 router]#
[root@dd-wrt01 router]# history|grep slapos
1118 wget https://download.opensuse.org/repositories/home:/VIFIBnexedi/CentOS_7/home:VIFIBnexedi.repo -O /etc/yum.repos.d/slapos.repo
1120 yum install slapos.node
1123 yum install slapos.node
1124 rpm -ql slapos.node-1.0.144-1.2.x86_64|grep -Ei lib
1125 rpm -ql slapos.node-1.0.144-1.2.x86_64|grep -Ei libfl
1254 ls -altri /opt/slapos/parts/flex/lib/
1267 ls -altri /opt/slapos/parts/flex/lib/
1268 ln -s /opt/slapos/parts/flex/lib/libfl.so.2.0.0 libfl.so.2
1269 ln -s /opt/slapos/parts/flex/lib/libfl_pic.so.2.0.0 libfl_pic.so.2
1270 ln -s /opt/slapos/parts/flex/lib/libfl.so.2.0.0 libfl.so
1271 ln -s /opt/slapos/parts/flex/lib/libfl_pic.so.2.0.0 libfl_pic.so
1276 rpm -qf /opt/slapos/parts/flex/lib/libfl.so.2
1278 history|grep slapos
[root@dd-wrt01 router]#

Last edited by tkmds on Mon Jun 29, 2020 14:31; edited 1 time in total

tkmds
DD-WRT User

Joined: 04 Sep 2011
Posts: 92
Location: SA

Posted: Mon Jun 29, 2020 14:20 Post subject:

@egc

If a copy of the xfrm4_policy.ko and xfrm4_state.ko exists in the same path and don't mind including these modules in the zip earlier, that would be great.

I tried to continue with the kernel compilation. It progressed better then I expected but I'm still quite a way off from even trying to compile any modules. Like folks mentioned on this thread, it's definitely a gauntlet of errors trying to compile the kernel, but in some ways it hasn't been too bad. Mostly autotools and .m4 issues.

I'm using a CentOS 7 VM dedicated to the DD-WRT Kernel compilation.

Stuck on this at the moment, from steps posted earlier in this thread, even though ncurses compiled ok:

Code:

[root@dd-wrt01 util-linux]# GCCARM=/root/toolchains/toolchain-arm_cortex-a9_gcc-8.2.0_musl_eabi/bin
[root@dd-wrt01 util-linux]# export PATH=$GCCARM:$PATH

Code:

make -f Makefile.northstar jansson-configure
make -f Makefile.northstar jansson
make -f Makefile.northstar nvram
make -f Makefile.northstar utils
make -f Makefile.northstar install_headers
make -f Makefile.northstar iptables
make -f Makefile.northstar libnet
make -f Makefile.northstar kernel

make -f Makefile.northstar json-c-configure
make -f Makefile.northstar json-c
make -f Makefile.northstar libubox-configure
make -f Makefile.northstar libubox

make -f Makefile.northstar configure <<<<<<<< I'm at this step. All others completed ok.
make -f Makefile.northstar clean all

This 'could' mean nccurses didn't really compile ok but if it didn't, why would it pass through:

Code:

[root@dd-wrt01 router]# make -f Makefile.northstar configure

CC libfdisk/src/libfdisk_la-gpt.lo
CCLD libfdisk.la
arm-linux-uclibc-ar: `u' modifier ignored since `D' is the default (see `U')
CC text-utils/more-more.o
text-utils/more.c: In function 'expand':
text-utils/more.c:2093:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (*inpstr == '%' || *inpstr == '!') {
^
text-utils/more.c:2097:3: note: here
default:
^~~~~~~
CCLD more
/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so: file not recognized: file format not recognized
collect2: error: ld returned 1 exit status
make[3]: *** [more] Error 1
make[3]: Leaving directory `/root/DD-WRT/src/router/util-linux'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/root/DD-WRT/src/router/util-linux'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/root/DD-WRT/src/router/util-linux'
make: *** [util-linux-configure] Error 2
[root@dd-wrt01 router]# ls -altri /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so
134427856 lrwxrwxrwx. 1 root root 19 Jun 28 23:32 /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so -> libncurses.so.6.1.0
[root@dd-wrt01 router]# view /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so
[root@dd-wrt01 router]# type /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so
/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so is /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so
[root@dd-wrt01 router]# type /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so
/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so is /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so
[root@dd-wrt01 router]# type /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses
libncurses.a libncurses++.la libncurses.so libncurses++.so.6
libncurses++.a libncurses.lai libncurses++.so libncurses.so.6.1.0
libncurses.la libncurses++.lai libncurses.so.6 libncurses++.so.6.1.0
[root@dd-wrt01 router]# type /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6
libncurses.so.6 libncurses.so.6.1.0
[root@dd-wrt01 router]# type /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6.1.0
/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6.1.0 is /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6.1.0
[root@dd-wrt01 router]#
[root@dd-wrt01 router]#
[root@dd-wrt01 router]# ls -altri /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6.1.0
134427854 -rwxr-xr-x. 1 root root 433080 Jun 28 23:32 /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6.1.0
[root@dd-wrt01 router]# file /root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6.1.0
/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6.1.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=a987c4cd79d37ee38545b091b6e84493e33bbeeb, not stripped
[root@dd-wrt01 router]#

An strace reveals:

Code:

[pid 26129] open("/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so", O_RDONLY) = 9
[pid 26129] lstat("/root", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 26129] lstat("/root/DD-WRT", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 26129] lstat("/root/DD-WRT/src", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 26129] lstat("/root/DD-WRT/src/router", {st_mode=S_IFDIR|0755, st_size=12288, ...}) = 0
[pid 26129] lstat("/root/DD-WRT/src/router/ncurses", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 26129] lstat("/root/DD-WRT/src/router/ncurses/lib", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 26129] lstat("/root/DD-WRT/src/router/ncurses/lib/.libs", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 26129] lstat("/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0
[pid 26129] readlink("/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so", "libncurses.so.6.1.0", 4095) = 19
[pid 26129] lstat("/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so.6.1.0", {st_mode=S_IFREG|0755, st_size=433080, ...}) = 0
[pid 26129] ioctl(9, TCGETS, 0x7fff67519180) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 26129] fstat(9, {st_mode=S_IFREG|0755, st_size=433080, ...}) = 0
[pid 26129] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae2e7ab000
[pid 26129] read(9, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320R\1\0\0\0\0\0@\0\0\0\0\0\0\0x\224\6\0\0\0
\0\0\0\0\0\0@\0008\0\7\0@\0\35\0\34\0\1\0\0\0\5\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0
\0\0\0\0D\237\5\0\0\0\0\0D\237\5\0\0\0\0\0\0\0 \0\0\0\0\0\1\0\0\0\6\0\0\0\310\254\5\0\0\0\0\0\310\254%\0\0\0\0\0\310\254%\0\0\0\0\0\224D\0\0\0
\0\0\0\20L\0\0\0\0\0\0\0\0 \0\0\0\0\0\2\0\0\0\6\0\0\0p\334\5\0\0\0\0\0p\334%\0\0\0\0\0p\334%\0\0\0\0\0\320\1\0\0\0\0\0\0\320
\1\0\0\0\0\0\0\10\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\310\1\0\0\0\0\0\0\310\1\0\0\0\0\0\0"..., 8192) = 8192
[pid 26129] write(2, "/root/DD-WRT/src/router/ncurses/lib/.libs/libncurses.so", 55) = 55
[pid 26129] write(2, ": file not recognized: ", 23) = 23
[pid 26129] write(2, "file format not recognized", 26) = 26
[pid 26129] write(2, "\n", 1) = 1
[pid 26129] close(8)

dominic0315
DD-WRT Novice

Joined: 21 Apr 2020
Posts: 10

Posted: Thu Jul 23, 2020 23:26 Post subject:

egc wrote:

This is just to say thank you to all those who participated.

With the help of the pointers from this thread we were able to compile, build and run builds for Broadcom Northstar routers.

Thanks again Smile

Hello egc, Do you mind writing a walkthrough for a successful build and share to the wider community?

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