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the openssl we currently use is outdated and will be removed
soon. webfs will handle the https for us with native tls code.
keys have to be stored in factotum for everyone who also wants
to commit directly.
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for rerrstr()
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this allows the use of SSL/HTTPS even when python is not build
with openssl support.
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functions for ape/mp (wip)
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in progress)
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http://www.9legacy.org/9legacy/patch/pc-ether82563-i210.diff (thanks k0ga)
This patch is only an adaptation for 9front of the patch located in
http://www.9legacy.org/9legacy/patch/pc-ether82563-i210.diff. The
major difference is that this patch ignores errors in checksum of
eeprom, because in my system the checksum was wrong. After 3 months,
I didn't have problems, and I think the patch can be used. although
it has some things that need to be fixed. If the link is inactive
when the system boots then it will remain inactive forever.
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password brute-force
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(thanks ray)
/n/bugs/open/libdrawfont.c_buffer_overflow
http://bugs.9front.org/open/libdrawfont.c_buffer_overflow/readme
ray@raylai.com
Hi all,
In plan9port this bug keeps crashing mc when I run lc in a directory with Chinese characters. This is a diff from OpenBSD but it should apply cleanly to the various plan9 sources.
The code is basically trying to do a realloc (I guess realloc wasn't available back then?) but it copies too much from the original buffer.
Since realloc is available, just use it. If realloc isn't available outside plan9port (I haven't checked) the memmove line should be changed from:
memmove(f->subf, of, (f->nsubf+DSUBF)*sizeof *subf);
to:
memmove(f->subf, of, f->nsubf*sizeof *subf);
I hope this is helpful.
Ray
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- use free running unsigned indeces for window kbdq
- emalloc() vs malloc() in xfid
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backported the following patches from mercurial 3.7.3:
https://selenic.com/repo/hg/rev/b6ed2505d6cf
https://selenic.com/repo/hg/rev/b9714d958e89
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- return distinct error message when attempting to create Globalseg with physseg name
- copy directory name to up->genbuf so it stays valid after we unlock(&glogalseglock)
- cleanup wstat() handling, allow changing uid
- make sure global segment size is below SEGMAXSIZE
- move isoverlap() check from globalsegattach() into segattach()
- remove Proc* argument from globalsegattach(), segattach() and isoverlap()
- make Physseg.attr and segattach attr parameter an int for consistency
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fix bug introduced in previous change for zynq, broke
procflushseg() function only flushing the first proc
matching the segment.
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TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
the previous cipher id's where fore TLS_ECDH_* not TLS_ECDHE_*... sorry :(
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to figure out what network connection a particular tls
conversation refers to, we add the path of the underlying
we send the encrypted tls traffic over in the status file,
example:
term% grep -n '^Chan:' '#a'/tls/*/status
#a/tls/0/status:7: Chan: /net/tcp/6/data
#a/tls/1/status:7: Chan: /net/tcp/0/data
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/n/bugs/open/multicasts_and_udp_buffers
http://bugs.9front.org/open/multicasts_and_udp_buffers/readme
michal@Lnet.pl
I have ported my small MPEG-TS analisis tool to Plan9.
To allow this application working I had to fix a bug in the kernel IPv4 code and increase UDP input buffer.
Bug is related to listening for IPv4 multicast traffic. There is no problem if you listen for only one group or multiple groups with different UDP ports. This works:
Write to UDP ctl:
anounce PORT
addmulti INTERFACE_ADDR MULTICAST_ADDR
headers
and you can read packets from data file.
You need to set headers option because otherwise every UDP packet for MULTICAST_ADDR!PORT is treat as separate connection. This is a bug and should be fixed too, but I didn't tried it.
There is a problem when you need to receive packets for multiple multicast groups. Usually the same destination port is used by multiple streams and above sequence of commands fails for second group because the port is the same.
Simple and probably non-intrusive fix is adding "|| ipismulticast(addr)" to if statement at /sys/src/9/ip/devip.c:861 line:
if(ipforme(c->p->f, addr) || ipismulticast(addr))
This fixes the problem and now you can use the following sequence to listen for multiple multicast groups even if they all have the same destination port:
announce MULTICAST_ADDR!PORT
addmulti INTERFACE_ADDR MULTICAST_ADDR
headers
After that my application started working but signals packet drops at >2 Mb/s input rate. The same is reported by kernel netlog. Increase capacity of UDP connection input queue fixes this problem /sys/src/9/ip/udp.c:153
c->rq = qopen(512*1024, Qmsg, 0, 0);
--
Michał Derkacz
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access to the axi segment hangs the machine when the fpga
is not programmed yet. to prevent access, we introduce a
new SG_FAULT flag, that when set on the Segment.type or
Physseg.attr, causes the fault handler to immidiately
return with an error (as if the segment would not be mapped).
during programming, we temporarily set the SG_FAULT flag
on the axi physseg, flush all processes tlb's that have
the segment mapped and when programming is done, we clear
the flag again.
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tsleep() used to cancel the timer with:
if(up->tt != nil)
timerdel(up);
which still can result in twakeup() to fire after tsleep()
returns (because we set Timer.tt to nil *before* we call the tfn).
in most cases, this is not an issue as the Rendez*
usually is just &up->sleep, but when it is dynamically allocated
or on the stack like in tsemacquire(), twakeup() will call
wakeup() on a potentially garbage Rendez structure!
to fix the race, we execute the wakup() with the Timer lock
held, and set p->trend to nil only after we called wakeup().
that way, the timerdel(); which unconditionally locks the Timer;
can act as a proper barrier and use up->trend == nil as the
condition if the timer has already fired.
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