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tinyproxy/src/sock.h

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Updated copyright, license notices in source code The notices have been changed to a more GNU look. Documentation comments have been separated from the copyright header. I've tried to keep all copyright notices intact. Some author contact details have been updated.
2008-05-24 16:05:49 +08:00
/* tinyproxy - A fast light-weight HTTP proxy
* Copyright (C) 1998 Steven Young <sdyoung@miranda.org>
* Copyright (C) 1999, 2004 Robert James Kaes <rjkaes@users.sourceforge.net>
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches.
2000-02-17 01:32:49 +08:00
*
Updated copyright, license notices in source code The notices have been changed to a more GNU look. Documentation comments have been separated from the copyright header. I've tried to keep all copyright notices intact. Some author contact details have been updated.
2008-05-24 16:05:49 +08:00
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches.
2000-02-17 01:32:49 +08:00
*
Updated copyright, license notices in source code The notices have been changed to a more GNU look. Documentation comments have been separated from the copyright header. I've tried to keep all copyright notices intact. Some author contact details have been updated.
2008-05-24 16:05:49 +08:00
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches.
2000-02-17 01:32:49 +08:00
*
Updated copyright, license notices in source code The notices have been changed to a more GNU look. Documentation comments have been separated from the copyright header. I've tried to keep all copyright notices intact. Some author contact details have been updated.
2008-05-24 16:05:49 +08:00
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches.
2000-02-17 01:32:49 +08:00
*/
Updated copyright, license notices in source code The notices have been changed to a more GNU look. Documentation comments have been separated from the copyright header. I've tried to keep all copyright notices intact. Some author contact details have been updated.
2008-05-24 16:05:49 +08:00
/* See 'sock.c' for detailed information. */
Fixed up the names of the DEFINES.
2001-06-02 10:07:34 +08:00
#ifndef TINYPROXY_SOCK_H
#define TINYPROXY_SOCK_H
Converted the various socket functions to work with both IPv4 and IPv6 addresses.
2004-02-19 04:18:53 +08:00
/* The IP length is set to 48, since IPv6 can be that long */
Added the "BindSame" configure directive from Oswald Buddenhagen. This allows tinyproxy to respond to a request bound to the same interface that the request came in on. As Oswald explains: "attached is a patch that adds the BindSame option. it causes binding an outgoing connection to the ip address of the respective incoming connection. that way one can simulate an entire proxy farm with a single instance of tinyproxy on a multi-homed machine." Cool.
2004-04-28 02:53:14 +08:00
#define IP_LENGTH 48
#define HOSTNAME_LENGTH 1024
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches.
2000-02-17 01:32:49 +08:00
Needed locking in getpeer_string(). Added mutex locking around the dnscache() call. Removed the global sockaddr and setup_fd variables. Added the socket_blocking() and socket_nonblocking() functions. Gutted the readling() function and replaced it with something similar to the 1.0 version. :)
2000-09-12 07:56:32 +08:00
#define MAXLINE (1024 * 4)
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches.
2000-02-17 01:32:49 +08:00
move sockaddr_union to sock.h
2018-12-31 22:24:17 +08:00
#include "common.h"
listen_fds: use sblist
2020-09-16 08:05:58 +08:00
#include "sblist.h"
child: use a list of listen_fds instead of one single listenfd. This prepares listenting on multiple sockets, which will be ussed to fix listening on the wildcard (listen on both ipv6 and ipv4) and help add the support for multiple Listen statements in the config Signed-off-by: Michael Adam <obnox@samba.org>
2013-11-08 15:07:08 +08:00
transparent: workaround old glibc bug on RHEL7 it's been reported[0] that RHEL7 fails to properly set the length parameter of the getsockname() call to the length of the required struct sockaddr type, and always returns the length passed if it is big enough. the SOCKADDR_UNION_* macros originate from my microsocks[1] project, and facilitate handling of the sockaddr mess without nasty casts. [0]: https://github.com/tinyproxy/tinyproxy/issues/45#issuecomment-694594990 [1]: https://github.com/rofl0r/microsocks
2020-09-18 19:12:14 +08:00
#define SOCKADDR_UNION_AF(PTR) (PTR)->v4.sin_family
#define SOCKADDR_UNION_LENGTH(PTR) ( \
( SOCKADDR_UNION_AF(PTR) == AF_INET ) ? sizeof((PTR)->v4) : ( \
( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? sizeof((PTR)->v6) : 0 ) )
#define SOCKADDR_UNION_ADDRESS(PTR) ( \
( SOCKADDR_UNION_AF(PTR) == AF_INET ) ? (void*) &(PTR)->v4.sin_addr : ( \
( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? (void*) &(PTR)->v6.sin6_addr : (void*) 0 ) )
#define SOCKADDR_UNION_PORT(PTR) ( \
( SOCKADDR_UNION_AF(PTR) == AF_INET ) ? (PTR)->v4.sin_port : ( \
( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? (PTR)->v6.sin6_port : 0 ) )
move sockaddr_union to sock.h
2018-12-31 22:24:17 +08:00
union sockaddr_union {
struct sockaddr_in v4;
struct sockaddr_in6 v6;
};
Reformat code to GNU coding style This is a commit which simply ran all C source code files through GNU indent. No other modifications were made.
2008-12-01 23:01:11 +08:00
extern int opensock (const char *host, int port, const char *bind_to);
listen_fds: use sblist
2020-09-16 08:05:58 +08:00
extern int listen_sock (const char *addr, uint16_t port, sblist* listen_fds);
Needed locking in getpeer_string(). Added mutex locking around the dnscache() call. Removed the global sockaddr and setup_fd variables. Added the socket_blocking() and socket_nonblocking() functions. Gutted the readling() function and replaced it with something similar to the 1.0 version. :)
2000-09-12 07:56:32 +08:00
Reformat code to GNU coding style This is a commit which simply ran all C source code files through GNU indent. No other modifications were made.
2008-12-01 23:01:11 +08:00
extern int socket_nonblocking (int sock);
extern int socket_blocking (int sock);
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches.
2000-02-17 01:32:49 +08:00
Reformat code to GNU coding style This is a commit which simply ran all C source code files through GNU indent. No other modifications were made.
2008-12-01 23:01:11 +08:00
extern int getsock_ip (int fd, char *ipaddr);
do hostname resolution only when it is absolutely necessary for ACL check tinyproxy used to do a full hostname resolution whenever a new client connection happened, which could cause very long delays (as reported in #198). there's only a single place/scenario that actually requires a hostname, and that is when an Allow/Deny rule exists for a hostname or domain, rather than a raw IP address. since it is very likely this feature is not very widely used, it makes absolute sense to only do the costly resolution when it is unavoidable.
2018-12-31 23:47:40 +08:00
extern void getpeer_information (union sockaddr_union *addr, char *ipaddr, size_t ipaddr_len);
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches.
2000-02-17 01:32:49 +08:00
#endif
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