Vladimir Dubrovin
9612bbdd22
Unix sockets: no addresses on streams, abstract names, tcppm port 0
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On Linux a proxy listening on a Unix socket relayed only the first
bytes of an answer (result 95): sockmap() read with recvfrom() into the
client's address, which for a Unix stream socket Linux fills with an
empty AF_UNIX one, and then sent with sendto() to that address, which a
connected Unix stream socket refuses. A TCP connection has no use for
addresses: sockmap() now sends and receives with NULL ones, and
connect-back sends its command with socksend() and reads the answer
with sockrecvfrom() without an address, which a NULL sin now allows.
An abstract socket name (-iunix:@NAME) was bound with the whole size of
struct sockaddr_un, padded with zeros, so a client naming it by its
bytes, as most do, reached another name. SASIZE() now gives an abstract
address its exact size; getsockname() calls that took SASIZE() of the
old contents as the buffer size take the buffer's size instead.
tcppm refused port 0 for a unix: target, though the manual gives
"tcppm 8080 unix:/var/run/app.sock 0" as the example: the port of a
Unix socket target is ignored, so 0 is allowed.
A test case covers a proxy on a Unix socket and on an abstract one on
Linux, tcppm to a Unix socket, a parent reached through one, and a
listening Unix socket across reloads: taken over each time, its file
kept, and removed once no service listens on it.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-18 12:05:27 +03:00
Vladimir Dubrovin
a2592f4038
Keep the clock, timetoexit and needreload out of conf
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They are the state of the process, not configuration: conf.time (now
curtime), timetoexit and needreload are globals of their own. Plugins
reach needreload through a pointer added at the end of struct
pluginlink; LdapPlugin uses it. The extern for a paused global, never
defined, goes.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 16:05:33 +03:00
Vladimir Dubrovin
a20f646169
Pre-allocate client/server/tmp/etc buffers with client structure
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2026-10-12 17:19:55 +03:00
Derrick Lyndon Pallas
3883a51969
Fix: wrong sasize in sockgetchar/sockrecvfrom
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On receive, the struct sockaddr is zeroed and does not have an address
family until recvfrom fills it in. SASIZE assumes that if there is no
address family, it is INET. This means that for IPv6 UDP sockets, the
sockaddr is truncated and the reply is forwarded to the wrong address.
Instead, use sizeof(PROXYSOCKADDRTYPE).
2026-10-10 16:44:14 +03:00
Vladimir Dubrovin
5be794dfd2
support proxypass in web server
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2026-08-27 17:57:51 +03:00
Vladimir Dubrovin
8c2ad56665
Use memmove for overlapping region
2026-08-08 20:46:52 +03:00
Vladimir Dubrovin
ed5103d176
Optimize sockgetchar functions
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2026-07-24 15:04:27 +03:00
Vladimir Dubrovin
b1d21cbdca
Copyright update
2026-05-08 18:07:08 +03:00
Vladimir Dubrovin
830b2d39d1
Use standard malloc functions
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2026-05-04 18:50:02 +03:00
Vladimir Dubrovin
2d6eeff5f3
FIx typos, update documentation
2026-04-12 13:58:42 +03:00
Vladimir Dubrovin
8cb8be1be8
Fix warnings
2026-04-08 21:13:45 +03:00
Vladimir Dubrovin
6e55af7f48
Fixed: invalid timeout in socksendto / sockrecvfrom
2026-04-08 19:21:25 +03:00
Vladimir Dubrovin
8198db8617
adding state to socket functions
2024-02-17 17:31:25 +03:00
z3apa3a
e1b4e50242
Copyright update
2021-07-02 11:50:33 +03:00
z3APA3A
0376e54196
simlify sockgetline
2018-04-27 19:23:20 +03:00
z3APA3A
572a5b3c34
Fixed: socks fails on 1-character username or password
2018-04-27 15:09:18 +03:00
z3APA3A
d40e5d458c
FIX: tcppm may not work with parent proxy
2017-02-02 00:36:59 +03:00
z3APA3A
f709255d62
Copyrights cleaned, authradius.c added
2016-12-20 15:47:02 +03:00
z3APA3A
3b8e7741b3
Compilation warnings cleanup
2016-02-16 15:29:51 +03:00
z3APA3A
c7310a2060
initial partial patches for IPv6 client support
2014-10-19 21:54:24 +04:00
z3APA3A
8975b00cce
better EINTR handling
2014-06-11 01:54:25 +04:00
Vladimir Dubrovin
a30d5d51a5
IPv6 server side code
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+ IPv6 server side support
!!! Auth need to be fixed
2014-05-12 01:10:58 +04:00
z3APA3A
f4c6c9d962
legacy counters code removed
2014-04-14 02:14:34 +04:00
Vladimir Dubrovin
2890f06488
traffic counters are changed to 64-bit
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traffic counters are changed to 64-bit using pstdint.h
2014-04-10 03:34:59 +04:00
z3APA3A
a060376f1e
initial import to git
2014-04-08 13:03:21 +04:00
