c74fe57262
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
63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/* tinyproxy - A fast light-weight HTTP proxy
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* Copyright (C) 1998 Steven Young <sdyoung@miranda.org>
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* Copyright (C) 1999, 2004 Robert James Kaes <rjkaes@users.sourceforge.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* See 'sock.c' for detailed information. */
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#ifndef TINYPROXY_SOCK_H
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#define TINYPROXY_SOCK_H
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/* The IP length is set to 48, since IPv6 can be that long */
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#define IP_LENGTH 48
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#define HOSTNAME_LENGTH 1024
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#define MAXLINE (1024 * 4)
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#include "common.h"
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#include "sblist.h"
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#define SOCKADDR_UNION_AF(PTR) (PTR)->v4.sin_family
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#define SOCKADDR_UNION_LENGTH(PTR) ( \
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( SOCKADDR_UNION_AF(PTR) == AF_INET ) ? sizeof((PTR)->v4) : ( \
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( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? sizeof((PTR)->v6) : 0 ) )
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#define SOCKADDR_UNION_ADDRESS(PTR) ( \
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( SOCKADDR_UNION_AF(PTR) == AF_INET ) ? (void*) &(PTR)->v4.sin_addr : ( \
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( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? (void*) &(PTR)->v6.sin6_addr : (void*) 0 ) )
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#define SOCKADDR_UNION_PORT(PTR) ( \
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( SOCKADDR_UNION_AF(PTR) == AF_INET ) ? (PTR)->v4.sin_port : ( \
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( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? (PTR)->v6.sin6_port : 0 ) )
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union sockaddr_union {
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struct sockaddr_in v4;
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struct sockaddr_in6 v6;
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};
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extern int opensock (const char *host, int port, const char *bind_to);
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extern int listen_sock (const char *addr, uint16_t port, sblist* listen_fds);
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extern int socket_nonblocking (int sock);
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extern int socket_blocking (int sock);
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extern int getsock_ip (int fd, char *ipaddr);
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extern void getpeer_information (union sockaddr_union *addr, char *ipaddr, size_t ipaddr_len);
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#endif
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