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Author SHA1 Message Date
Vladimir Dubrovin
6f02ec2747 Take another local port when the one bound cannot reach the destination 
extport binds a local port out of its range and connects from it. A port
which is free to bind may still be half of a pair which is closing from an
earlier connection to the same destination, and Windows fails the connect
with WSAEADDRINUSE where other systems fail the bind and fall back. The
request then failed with error 13 for a reason another port would have
avoided, which is what the range is searched for in the first place.

Retry the connect with another port from the range. Only for that error, so
a destination which is simply unreachable still costs one attempt, and out of
the same ten tries the bind already spends, so the attempts parentretries
makes are not multiplied. EADDRINUSE joins the errno values proxy.h maps to
their Winsock numbers, without which the test would never match on Windows.

parent_ports gave its three services one window between them, which is how
the case met the collision on the Windows runner. Each has its own now.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-17 13:03:15 +03:00
Vladimir Dubrovin
ee0de3613a support proxypass in web server 2026-08-29 19:09:54 +03:00
Vladimir Dubrovin
9529a1dfcf http server implemented, pcre support for hostnames in acls implemented 2026-08-29 19:09:54 +03:00
Vladimir Dubrovin
efa6f6560c Fix dnspr for Windows 
(cherry picked from commit a194f207ba)
 2026-08-26 16:48:09 +03:00
Vladimir Dubrovin
cb9effab9b Fix: insufficient default stack for wolfSSL with glibc 2026-08-25 19:07:20 +03:00
Vladimir Dubrovin
7f430ccc79 Fix non-linux cmake 2026-08-25 17:32:02 +03:00
Vladimir Dubrovin
3526759e59 implement small http server for admin and testing 2026-08-25 17:21:33 +03:00
Vladimir Dubrovin
6ca4a2686d port range support (parent extport / intport) 2026-08-25 14:23:33 +03:00
Vladimir Dubrovin
13a57812e5 Fix: -Ne/-Ni, -4 / -6 handling for udp mapping in socks, mixed family support in udp 2026-08-12 16:25:12 +03:00
Vladimir Dubrovin
bebc3894e2 Support acls for UDP ASSOC, fix udppm via SOCKSv5
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2026-08-11 19:02:54 +03:00
Vladimir Dubrovin
eceb5a22df Add outsize parameter to en64 2026-08-08 17:58:49 +03:00
Vladimir Dubrovin
763e21e053 Fixed: maxchild dropped to 100 on config reload if not explicitly set, system-specific tuning hints added to doc 2026-08-01 10:22:03 +03:00
Vladimir Dubrovin
4877b39f2c Fix deadcode / warnings / minor bugs 2026-07-31 18:55:59 +03:00
Vladimir Dubrovin
44c47ee7d9 replace recursion with loop for local redirects, fix wolfSSL build
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2026-07-31 15:44:22 +03:00
Vladimir Dubrovin
5f1ed7363b Fix: race conditions / stack overflow on FreeBSD / minor bugs 2026-07-31 13:27:33 +03:00
Vladimir Dubrovin
9ab2e820b5 Added imapp, starttls support for smtpp, pop3p, tlspr 2026-07-22 16:15:50 +03:00
Vladimir Dubrovin
c893e866bd Use Solar Designer's md4/md5 on non-Windows
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2026-07-10 14:01:29 +03:00
Vladimir Dubrovin
fbc0953d5c Use native Windows crypto for MD4/MD5 2026-07-10 13:04:43 +03:00
Vladimir Dubrovin
05c4832c6c Minor cleanups 2026-05-13 23:21:13 +03:00
Vladimir Dubrovin
5fdd4a4d6f NOODBC inverted to WITH_ODBC 2026-05-08 20:30:14 +03:00
Vladimir Dubrovin
b1d21cbdca Copyright update 2026-05-08 18:07:08 +03:00
Vladimir Dubrovin
ec48b7f30e Clear mingw warnings
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2026-05-06 23:07:16 +03:00
Vladimir Dubrovin
830b2d39d1 Use standard malloc functions
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2026-05-04 18:50:02 +03:00
Vladimir Dubrovin
4068a6955f Fix UDP parent for SOCKSv5
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2026-05-02 00:00:45 +03:00
Vladimir Dubrovin
07c1dc1462 Fix shutdown for Windows
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2026-05-01 19:26:39 +03:00
Vladimir Dubrovin
8107f03062 Move PCRE/SSL to main code 2026-05-01 15:11:08 +03:00
Vladimir Dubrovin
a3fb7aff07 Clean up UDP code 2026-04-30 11:32:12 +03:00
Vladimir Dubrovin
b1ac46da79 Remove linux futext implementation
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2026-04-28 18:06:54 +03:00
Vladimir Dubrovin
05096c222a Return standalone udppm; do not build standalone modules by default in cmake 
Allow to set prefix in cmake, 3proxy_ by default
 2026-04-28 12:21:11 +03:00
Vladimir Dubrovin
d52701518d udppm switched to hashtable and supports multiple connections; no standalone udppm 2026-04-27 15:12:39 +03:00
Vladimir Dubrovin
760a521df8 remove pwl_mutex
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2026-04-26 20:43:13 +03:00
Vladimir Dubrovin
62be3c7b5b cash the hash for auth cache 2026-04-26 19:56:38 +03:00
Vladimir Dubrovin
68ef9dcc59 Fix Windows compilation 2026-04-21 16:10:17 +03:00
Vladimir Dubrovin
f1af44f3a9 Refactor hashtables to use indices instead of pointers, use blake2 as a hash, mycrypt renamed to 3proxy_crypt 2026-04-18 15:12:43 +03:00
Vladimir Dubrovin
98604b5421 Add hashcompact 2026-04-17 20:40:27 +03:00
Vladimir Dubrovin
a0d580b36d move hashtable/resolve/sql functions to separate files 2026-04-17 19:29:50 +03:00
Vladimir Dubrovin
878a432481 Support unix socket for parent and tcppm; abstract (fileless) unix sockets for linux support
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Use unix:/path/to/socket, e.g.

tcppm 1234 unix:/path/to/socket 1234

Under linux abstract sockets are supported with '@' prefix, e.g.

parent 1000 http unix:@virtual.3proxy.socket 1111

Destination port numbers are not used in tcppm/parent, but you must specify any positive value to match the syntaxis.
 2026-04-12 19:18:15 +03:00
Vladimir Dubrovin
2d6eeff5f3 FIx typos, update documentation 2026-04-12 13:58:42 +03:00
Vladimir Dubrovin
c206349ee2 Support unix sockets for internal and -i 
Example configuration:

log
auto -iunix:/path/to/3proxy.sock

test with

curl --unix-socket /path/to/3proxy.sock https://3proxy.ru
 2026-04-12 00:30:35 +03:00
Vladimir Dubrovin
8cb8be1be8 Fix warnings 2026-04-08 21:13:45 +03:00
Vladimir Dubrovin
483542b914 Use uint32_t/uint16_t instead of unsigned long / unsigned short where required 2026-04-08 21:13:18 +03:00
Vladimir Dubrovin
7299bcc0e2 Move timeouts from conf 2026-04-08 19:21:29 +03:00
Vladimir Dubrovin
8d8ee23385 ssl_client_mode added, code cleanup 
ssl_client_mode
0 (default) - handshake immediately after connect() (with first parent or with destination if there is no parent)
1 - handshake with destination server (handshake after connection via parents is established)
2 - handshake after data channel is established (e.g. after CONNECT)
 2026-04-08 19:21:26 +03:00
Vladimir Dubrovin
013d4bc333 tlspr (SNI proxy) implemented 
Options -cN - level of TLS check
default - allow non-TLS traffic
1 - require TLS, only check client HELLO packet
2 - require TLS, check both client and server HELLO
3 - require TLS, check server send certificate (not compatible with TLS 1.3)
4 - require mutual TLS, check server send certificate request and client sends certificate (not compatible with TLS 1.3)
-P - default port

examples:

1.
tlspr -p1443 -P443 -c1
(port 1443 may be used to redirect traffic to destination port 143). SNI is used to find destination host

2.
allow * * * 80
parent 1000 http 0.0.0.0 0
allow * * * * CONNECT
parent 1000 tls 0.0.0.0 0
deny * * some.not.allowed.host
allow *
socks

attempts to take destination hostname from SNI in SOCKS
 2024-05-20 13:01:38 +03:00
Vladimir Dubrovin
375e3a74d0 call local socket function 2024-02-18 19:41:45 +03:00
Vladimir Dubrovin
8198db8617 adding state to socket functions 2024-02-17 17:31:25 +03:00
Vladimir Dubrovin
fb56b7d307 "auto" command added 2022-10-18 17:58:52 +03:00
Vladimir Dubrovin
4ad05d1565 add handleredirect() to symbols 2022-06-24 10:44:28 +03:00
Vladimir Dubrovin
55d1bbe155 Grace delay feature added 
`proxy -g8000,3,10`

First parameter is average read size we want to keep, second parameter is
minimal number of packets in the same direction to apply algorythm,
last value is delay added after polling and prior to reading data.
An example above adds 10 millisecond delay before reading data if average
polling size is below 8000 bytes and 3 read operations are made in the same
direction. It's specially usefule with splice. `logdump 1 1` is useful
to see how grace delays work, choose delay value to avoid filling the read
pipe/buffer (typically 64K) but keep the request sizes close to chosen average
on large file upload/download.
 2022-05-19 18:51:02 +03:00
z3apa3a
e1b4e50242 Copyright update 2021-07-02 11:50:33 +03:00