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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. On a reload the new service bound the path anew and the old one, closing after it, removed the file, the new service's by then, leaving nothing to connect to. A service now notes the file it bound (device and inode) and removes the path on closing only if it is still that file. 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: its file kept and the proxy answering, and the file removed once no service listens on it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> |
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| .. | ||
| admin.py | ||
| auto.py | ||
| dnspr.py | ||
| httpsrv_auth.py | ||
| httpsrv_files.py | ||
| httpsrv_keepalive.py | ||
| httpsrv_ops.py | ||
| httpsrv_parsing.py | ||
| httpsrv_proxypass.py | ||
| httpsrv_rules.py | ||
| ipv6.py | ||
| maxconn.py | ||
| parent_failover.py | ||
| parent_ports.py | ||
| parent_weights.py | ||
| pcre.py | ||
| portmap.py | ||
| proxy_http.py | ||
| socks.py | ||
| ssl.py | ||
| tlspr.py | ||
| transparent.py | ||
| unixsock.py | ||