On 24/10/17 15:17, Christoph Schulz wrote:
Hello!
David Fernandez <david.fernandez.work@xxxxxxxxxxxxxx> schrieb am Di 24
Okt 2017 10:52:46 CEST:
Hi there,
I've tried to run MPPE in a PPPoE connection to my LEDE linux server.
The log is below.
[...]
Although it should not be needed, if I use the option require-mppe,
pppd complains of unrecognized option.
As the sources only define (and understand) the "require-mppe" option
iff the preprocessor symbol MPPE has been defined during compilation,
I suspect that your (i.e. LEDE's) pppd has been compiled without MPPE
support. You should check this first.
Hi Christoph,
The MPPE is defined, as I see code conditionally compiled with #ifdef
MPPE putting things in the log, like:
Feb 2 12:05:22 LEDE pppd[1580]: MPPE 128-bit stateful compression enabled
AFAICS the downloaded 2.4.7 sources in pppd/ccp.c define and understand
the option mppe or +mppe with special arguments
no40,no56,no128,stateless,required comma separated, as per int
setmppe(char **argv) function... unless I am getting something wrong,
obviously.
These are the options defined in ccp.c:
#ifdef MPPE
{ "mppc", o_bool, &ccp_wantoptions[0].mppc,
"request MPPC compression", 1, &ccp_allowoptions[0].mppc },
{ "+mppc", o_bool, &ccp_wantoptions[0].mppc,
"request MPPC compression", 1, &ccp_allowoptions[0].mppc,
OPT_ALIAS },
{ "nomppc", o_bool, &ccp_wantoptions[0].mppc,
"don't allow MPPC compression", OPT_PRIOSUB | OPT_A2CLR,
&ccp_allowoptions[0].mppc },
{ "-mppc", o_bool, &ccp_wantoptions[0].mppc,
"don't allow MPPC compression", OPT_ALIAS | OPT_PRIOSUB | OPT_A2CLR,
&ccp_allowoptions[0].mppc },
{ "mppe", o_special, (void *)setmppe,
"request MPPE encryption" },
{ "+mppe", o_special, (void *)setmppe,
"request MPPE encryption" },
{ "nomppe", o_special_noarg, (void *)setnomppe,
"don't allow MPPE encryption" },
{ "-mppe", o_special_noarg, (void *)setnomppe,
"don't allow MPPE encryption" },
#endif /* MPPE */
These are the download definitions:
PKG_NAME:=ppp
PKG_VERSION:=2.4.7
PKG_RELEASE:=10
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://download.samba.org/pub/ppp/
PKG_HASH:=02e0a3dd3e4799e33103f70ec7df75348c8540966ee7c948e4ed8a42bbccfb30
Regards,
Christoph Schulz
Regards
David
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