2008-01-28 21:37:16 +00:00
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/* source: xioopen.c */
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2008-09-20 21:37:56 +00:00
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/* Copyright Gerhard Rieger 2001-2008 */
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2008-01-27 12:00:08 +00:00
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/* Published under the GNU General Public License V.2, see file COPYING */
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/* this is the source file of the extended open function */
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#include "xiosysincludes.h"
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#include "xioopen.h"
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#include "xiomodes.h"
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#include "nestlex.h"
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static xiofile_t *xioallocfd(void);
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xiosingle_t hugo;
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static xiosingle_t *xioparse_single(const char **addr);
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static xiofile_t *xioparse_dual(const char **addr);
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static int xioopen_dual(xiofile_t *xfd, int xioflags);
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const struct addrname addressnames[] = {
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#if 1
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#if WITH_STDIO
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{ "-", &addr_stdio },
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#endif
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#if defined(WITH_UNIX) && defined(WITH_ABSTRACT_UNIXSOCKET)
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{ "abstract", &xioaddr_abstract_client },
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{ "abstract-client", &xioaddr_abstract_client },
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{ "abstract-connect", &xioaddr_abstract_connect },
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#if WITH_LISTEN
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{ "abstract-listen", &xioaddr_abstract_listen },
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#endif
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{ "abstract-recv", &xioaddr_abstract_recv },
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{ "abstract-recvfrom", &xioaddr_abstract_recvfrom },
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{ "abstract-sendto", &xioaddr_abstract_sendto },
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#endif /* defined(WITH_UNIX) && defined(WITH_ABSTRACT_UNIXSOCKET) */
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#if WITH_CREAT
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{ "creat", &addr_creat },
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{ "create", &addr_creat },
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#endif
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#if WITH_PIPE
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{ "echo", &addr_pipe },
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#endif
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#if WITH_EXEC
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{ "exec", &addr_exec },
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#endif
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#if WITH_FDNUM
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{ "fd", &addr_fd },
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#endif
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#if WITH_PIPE
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{ "fifo", &addr_pipe },
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#endif
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#if WITH_FILE
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{ "file", &addr_open },
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#endif
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#if WITH_GOPEN
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{ "gopen", &addr_gopen },
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#endif
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2008-09-20 21:37:56 +00:00
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#if WITH_INTERFACE
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{ "if", &xioaddr_interface },
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#endif
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2008-01-27 12:00:08 +00:00
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#if (WITH_IP4 || WITH_IP6) && WITH_TCP
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{ "inet", &addr_tcp_connect },
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#endif
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#if (WITH_IP4 || WITH_IP6) && WITH_TCP && WITH_LISTEN
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{ "inet-l", &addr_tcp_listen },
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{ "inet-listen", &addr_tcp_listen },
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#endif
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#if WITH_IP4 && WITH_TCP
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{ "inet4", &addr_tcp4_connect },
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#endif
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#if WITH_IP4 && WITH_TCP && WITH_LISTEN
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{ "inet4-l", &addr_tcp4_listen },
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{ "inet4-listen", &addr_tcp4_listen },
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#endif
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#if WITH_IP6 && WITH_TCP
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{ "inet6", &addr_tcp6_connect },
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#endif
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#if WITH_IP6 && WITH_TCP && WITH_LISTEN
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{ "inet6-l", &addr_tcp6_listen },
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{ "inet6-listen", &addr_tcp6_listen },
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#endif
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2008-09-20 21:37:56 +00:00
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#if WITH_INTERFACE
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{ "interface", &xioaddr_interface },
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#endif
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2008-01-27 12:00:08 +00:00
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#if WITH_RAWIP
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#if (WITH_IP4 || WITH_IP6)
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{ "ip", &addr_rawip_sendto },
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{ "ip-datagram", &addr_rawip_datagram },
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{ "ip-dgram", &addr_rawip_datagram },
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{ "ip-recv", &addr_rawip_recv },
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{ "ip-recvfrom", &addr_rawip_recvfrom },
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{ "ip-send", &addr_rawip_sendto },
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{ "ip-sendto", &addr_rawip_sendto },
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#endif
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#if WITH_IP4
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{ "ip4", &addr_rawip4_sendto },
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{ "ip4-datagram", &addr_rawip4_datagram },
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{ "ip4-dgram", &addr_rawip4_datagram },
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{ "ip4-recv", &addr_rawip4_recv },
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{ "ip4-recvfrom", &addr_rawip4_recvfrom },
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{ "ip4-send", &addr_rawip4_sendto },
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{ "ip4-sendto", &addr_rawip4_sendto },
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#endif
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#if WITH_IP6
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{ "ip6", &addr_rawip6_sendto },
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{ "ip6-datagram", &addr_rawip6_datagram },
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{ "ip6-dgram", &addr_rawip6_datagram },
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{ "ip6-recv", &addr_rawip6_recv },
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{ "ip6-recvfrom", &addr_rawip6_recvfrom },
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{ "ip6-send", &addr_rawip6_sendto },
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{ "ip6-sendto", &addr_rawip6_sendto },
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#endif
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#endif /* WITH_RAWIP */
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#if WITH_UNIX
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{ "local", &addr_unix_connect },
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#endif
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#if WITH_FILE
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{ "open", &addr_open },
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#endif
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#if WITH_OPENSSL
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{ "openssl", &addr_openssl },
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{ "openssl-connect", &addr_openssl },
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#if WITH_LISTEN
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{ "openssl-listen", &addr_openssl_listen },
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#endif
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#endif
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#if WITH_PIPE
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{ "pipe", &addr_pipe },
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#endif
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#if WITH_PROXY
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{ "proxy", &addr_proxy_connect },
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{ "proxy-connect", &addr_proxy_connect },
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#endif
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#if WITH_PTY
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{ "pty", &addr_pty },
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#endif
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#if WITH_READLINE
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{ "readline", &addr_readline },
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#endif
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#if WITH_SOCKS4
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{ "socks", &addr_socks4_connect },
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{ "socks4", &addr_socks4_connect },
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#endif
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#if WITH_SOCKS4A
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{ "socks4a", &addr_socks4a_connect },
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#endif
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#if WITH_OPENSSL
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{ "ssl", &addr_openssl },
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#if WITH_LISTEN
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{ "ssl-l", &addr_openssl_listen },
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#endif
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#endif
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#if WITH_STDIO
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{ "stderr", &addr_stderr },
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{ "stdin", &addr_stdin },
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{ "stdio", &addr_stdio },
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{ "stdout", &addr_stdout },
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#endif
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#if WITH_SYSTEM
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{ "system", &addr_system },
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#endif
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#if (WITH_IP4 || WITH_IP6) && WITH_TCP
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{ "tcp", &addr_tcp_connect },
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{ "tcp-connect", &addr_tcp_connect },
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#endif
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#if (WITH_IP4 || WITH_IP6) && WITH_TCP && WITH_LISTEN
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{ "tcp-l", &addr_tcp_listen },
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{ "tcp-listen", &addr_tcp_listen },
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#endif
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#if WITH_IP4 && WITH_TCP
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{ "tcp4", &addr_tcp4_connect },
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{ "tcp4-connect", &addr_tcp4_connect },
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#endif
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#if WITH_IP4 && WITH_TCP && WITH_LISTEN
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{ "tcp4-l", &addr_tcp4_listen },
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{ "tcp4-listen", &addr_tcp4_listen },
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#endif
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#if WITH_IP6 && WITH_TCP
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{ "tcp6", &addr_tcp6_connect },
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{ "tcp6-connect", &addr_tcp6_connect },
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#endif
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#if WITH_IP6 && WITH_TCP && WITH_LISTEN
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{ "tcp6-l", &addr_tcp6_listen },
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{ "tcp6-listen", &addr_tcp6_listen },
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#endif
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#if WITH_TUN
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{ "tun", &xioaddr_tun },
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#endif
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#if (WITH_IP4 || WITH_IP6) && WITH_UDP
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{ "udp", &addr_udp_connect },
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#endif
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#if (WITH_IP4 || WITH_IP6) && WITH_UDP
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{ "udp-connect", &addr_udp_connect },
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{ "udp-datagram", &addr_udp_datagram },
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{ "udp-dgram", &addr_udp_datagram },
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#endif
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#if (WITH_IP4 || WITH_IP6) && WITH_UDP && WITH_LISTEN
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{ "udp-l", &addr_udp_listen },
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{ "udp-listen", &addr_udp_listen },
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#endif
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#if (WITH_IP4 || WITH_IP6) && WITH_UDP
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{ "udp-recv", &addr_udp_recv },
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{ "udp-recvfrom", &addr_udp_recvfrom },
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{ "udp-send", &addr_udp_sendto },
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{ "udp-sendto", &addr_udp_sendto },
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#endif
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#if WITH_IP4 && WITH_UDP
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{ "udp4", &addr_udp4_connect },
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{ "udp4-connect", &addr_udp4_connect },
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{ "udp4-datagram", &addr_udp4_datagram },
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{ "udp4-dgram", &addr_udp4_datagram },
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#endif
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#if WITH_IP4 && WITH_UDP && WITH_LISTEN
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{ "udp4-l", &addr_udp4_listen },
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{ "udp4-listen", &addr_udp4_listen },
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#endif
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#if WITH_IP4 && WITH_UDP
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{ "udp4-recv", &addr_udp4_recv },
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{ "udp4-recvfrom", &addr_udp4_recvfrom },
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{ "udp4-send", &addr_udp4_sendto },
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{ "udp4-sendto", &addr_udp4_sendto },
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#endif
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#if WITH_IP6 && WITH_UDP
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{ "udp6", &addr_udp6_connect },
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{ "udp6-connect", &addr_udp6_connect },
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{ "udp6-datagram", &addr_udp6_datagram },
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{ "udp6-dgram", &addr_udp6_datagram },
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#endif
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#if WITH_IP6 && WITH_UDP && WITH_LISTEN
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{ "udp6-l", &addr_udp6_listen },
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{ "udp6-listen", &addr_udp6_listen },
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#endif
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#if WITH_IP6 && WITH_UDP
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{ "udp6-recv", &addr_udp6_recv },
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{ "udp6-recvfrom", &addr_udp6_recvfrom },
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{ "udp6-send", &addr_udp6_sendto },
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{ "udp6-sendto", &addr_udp6_sendto },
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#endif
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#if WITH_UNIX
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{ "unix", &addr_unix_client },
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{ "unix-client", &addr_unix_client },
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{ "unix-connect", &addr_unix_connect },
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#endif
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#if WITH_UNIX && WITH_LISTEN
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{ "unix-l", &addr_unix_listen },
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{ "unix-listen", &addr_unix_listen },
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#endif
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#if WITH_UNIX
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{ "unix-recv", &addr_unix_recv },
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{ "unix-recvfrom", &addr_unix_recvfrom },
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{ "unix-send", &addr_unix_sendto },
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{ "unix-sendto", &addr_unix_sendto },
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#endif
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#else /* !0 */
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# if WITH_INTEGRATE
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# include "xiointegrate.c"
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# else
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# include "xioaddrtab.c"
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# endif
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#endif /* !0 */
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{ NULL } /* end marker */
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} ;
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int xioopen_single(xiofile_t *xfd, int xioflags);
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/* prepares a xiofile_t record for dual address type:
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sets the tag and allocates memory for the substreams.
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returns 0 on success, or <0 if an error occurred.
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*/
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int xioopen_makedual(xiofile_t *file) {
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file->tag = XIO_TAG_DUAL;
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file->common.flags = XIO_RDWR;
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if ((file->dual.stream[0] = (xiosingle_t *)xioallocfd()) == NULL)
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return -1;
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file->dual.stream[0]->flags = XIO_RDONLY;
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if ((file->dual.stream[1] = (xiosingle_t *)xioallocfd()) == NULL)
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return -1;
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file->dual.stream[1]->flags = XIO_WRONLY;
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return 0;
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}
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static xiofile_t *xioallocfd(void) {
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xiofile_t *fd;
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if ((fd = Calloc(1, sizeof(xiofile_t))) == NULL) {
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return NULL;
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}
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/* some default values; 0's and NULL's need not be applied (calloc'ed) */
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fd->common.tag = XIO_TAG_INVALID;
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/* fd->common.addr = NULL; */
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fd->common.flags = XIO_RDWR;
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#if WITH_RETRY
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/* fd->stream.retry = 0; */
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/* fd->stream.forever = false; */
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fd->stream.intervall.tv_sec = 1;
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/* fd->stream.intervall.tv_nsec = 0; */
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#endif /* WITH_RETRY */
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/* fd->common.ignoreeof = false; */
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/* fd->common.eof = 0; */
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fd->stream.fd = -1;
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fd->stream.dtype = XIODATA_STREAM;
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#if WITH_SOCKET
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/* fd->stream.salen = 0; */
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#endif /* WITH_SOCKET */
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fd->stream.howtoend = END_UNSPEC;
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/* fd->stream.name = NULL; */
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/* fd->stream.para.exec.pid = 0; */
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fd->stream.lineterm = LINETERM_RAW;
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/*!! support n socks */
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if (!sock[0]) {
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sock[0] = fd;
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} else {
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sock[1] = fd;
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}
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return fd;
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}
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/* parse the argument that specifies a two-directional data stream
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and open the resulting address
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*/
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xiofile_t *xioopen(const char *addr, /* address specification */
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int xioflags) {
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xiofile_t *xfd;
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if (xioinitialize() < 0) {
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return NULL;
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}
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if ((xfd = xioparse_dual(&addr)) == NULL) {
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return NULL;
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}
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if (xioopen_dual(xfd, xioflags) < 0) {
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/*!!! free something? */
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return NULL;
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}
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return xfd;
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}
|
|
|
|
|
|
|
|
static xiofile_t *xioparse_dual(const char **addr) {
|
|
|
|
xiofile_t *xfd;
|
|
|
|
xiosingle_t *sfd1;
|
|
|
|
|
|
|
|
/* we parse a single address */
|
|
|
|
if ((sfd1 = xioparse_single(addr)) == NULL) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* and now we see if we reached a dual-address separator */
|
|
|
|
if (!strncmp(*addr, xioopts.pipesep, strlen(xioopts.pipesep))) {
|
|
|
|
/* yes we reached it, so we parse the second single address */
|
|
|
|
*addr += strlen(xioopts.pipesep);
|
|
|
|
|
|
|
|
if ((xfd = xioallocfd()) == NULL) {
|
|
|
|
free(sfd1); /*! and maybe have free some if its contents */
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
xfd->tag = XIO_TAG_DUAL;
|
|
|
|
xfd->dual.stream[0] = sfd1;
|
|
|
|
if ((xfd->dual.stream[1] = xioparse_single(addr)) == NULL) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return xfd;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* a truly single address */
|
|
|
|
xfd = (xiofile_t *)sfd1; sfd1 = NULL;
|
|
|
|
|
|
|
|
return xfd;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int xioopen_dual(xiofile_t *xfd, int xioflags) {
|
|
|
|
|
|
|
|
if (xfd->tag == XIO_TAG_DUAL) {
|
|
|
|
/* a really dual address */
|
|
|
|
if ((xioflags&XIO_ACCMODE) != XIO_RDWR) {
|
|
|
|
Warn("unidirectional open of dual address");
|
|
|
|
}
|
|
|
|
if (((xioflags&XIO_ACCMODE)+1) & (XIO_RDONLY+1)) {
|
|
|
|
if (xioopen_single((xiofile_t *)xfd->dual.stream[0], XIO_RDONLY|(xioflags&~XIO_ACCMODE&~XIO_MAYEXEC))
|
|
|
|
< 0) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (((xioflags&XIO_ACCMODE)+1) & (XIO_WRONLY+1)) {
|
|
|
|
if (xioopen_single((xiofile_t *)xfd->dual.stream[1], XIO_WRONLY|(xioflags&~XIO_ACCMODE&~XIO_MAYEXEC))
|
|
|
|
< 0) {
|
|
|
|
xioclose((xiofile_t *)xfd->dual.stream[0]);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return xioopen_single(xfd, xioflags);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static xiosingle_t *xioparse_single(const char **addr) {
|
|
|
|
xiofile_t *xfd;
|
|
|
|
xiosingle_t *sfd;
|
|
|
|
struct addrname *ae;
|
|
|
|
const struct addrdesc *addrdesc = NULL;
|
|
|
|
const char *ends[4+1];
|
|
|
|
const char *hquotes[] = {
|
|
|
|
"'",
|
|
|
|
NULL
|
|
|
|
} ;
|
|
|
|
const char *squotes[] = {
|
|
|
|
"\"",
|
|
|
|
NULL
|
|
|
|
} ;
|
|
|
|
const char *nests[] = {
|
|
|
|
"'", "'",
|
|
|
|
"(", ")",
|
|
|
|
"[", "]",
|
|
|
|
"{", "}",
|
|
|
|
NULL
|
|
|
|
} ;
|
|
|
|
char token[512], *tokp;
|
|
|
|
size_t len;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* init */
|
|
|
|
i = 0;
|
|
|
|
/*ends[i++] = xioopts.chainsep;*/ /* default: "|" */
|
|
|
|
ends[i++] = xioopts.pipesep; /* default: "!!" */
|
|
|
|
ends[i++] = ","/*xioopts.comma*/; /* default: "," */
|
|
|
|
ends[i++] = ":"/*xioopts.colon*/; /* default: ":" */
|
|
|
|
ends[i++] = NULL;
|
|
|
|
|
|
|
|
if ((xfd = xioallocfd()) == NULL) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
sfd = &xfd->stream;
|
|
|
|
sfd->argc = 0;
|
|
|
|
|
|
|
|
len = sizeof(token); tokp = token;
|
|
|
|
if (nestlex(addr, &tokp, &len, ends, hquotes, squotes, nests,
|
|
|
|
true, true, false) < 0) {
|
|
|
|
Error2("keyword too long, in address \"%s%s\"", token, *addr);
|
|
|
|
}
|
|
|
|
*tokp = '\0'; /*! len? */
|
|
|
|
ae = (struct addrname *)
|
|
|
|
keyw((struct wordent *)&addressnames, token,
|
|
|
|
sizeof(addressnames)/sizeof(struct addrname)-1);
|
|
|
|
|
|
|
|
if (ae) {
|
|
|
|
addrdesc = ae->desc;
|
|
|
|
/* keyword */
|
|
|
|
if ((sfd->argv[sfd->argc++] = strdup(token)) == NULL) {
|
|
|
|
Error1("strdup(\"%s\"): out of memory", token);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (false) {
|
|
|
|
;
|
|
|
|
#if WITH_FDNUM
|
|
|
|
} else if (isdigit(token[0]&0xff) && token[1] == '\0') {
|
|
|
|
Info1("interpreting address \"%s\" as file descriptor", token);
|
|
|
|
addrdesc = &addr_fd;
|
|
|
|
if ((sfd->argv[sfd->argc++] = strdup("FD")) == NULL) {
|
|
|
|
Error("strdup(\"FD\"): out of memory");
|
|
|
|
}
|
|
|
|
if ((sfd->argv[sfd->argc++] = strdup(token)) == NULL) {
|
|
|
|
Error1("strdup(\"%s\"): out of memory", token);
|
|
|
|
}
|
|
|
|
/*! check argc overflow */
|
|
|
|
#endif /* WITH_FDNUM */
|
|
|
|
#if WITH_GOPEN
|
|
|
|
} else if (strchr(token, '/')) {
|
|
|
|
Info1("interpreting address \"%s\" as file name", token);
|
|
|
|
addrdesc = &addr_gopen;
|
|
|
|
if ((sfd->argv[sfd->argc++] = strdup("GOPEN")) == NULL) {
|
|
|
|
Error("strdup(\"GOPEN\"): out of memory");
|
|
|
|
}
|
|
|
|
if ((sfd->argv[sfd->argc++] = strdup(token)) == NULL) {
|
|
|
|
Error1("strdup(\"%s\"): out of memory", token);
|
|
|
|
}
|
|
|
|
/*! check argc overflow */
|
|
|
|
#endif /* WITH_GOPEN */
|
|
|
|
} else {
|
|
|
|
Error1("unknown device/address \"%s\"", token);
|
|
|
|
/*!!! free something*/ return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
sfd->tag = XIO_TAG_RDWR;
|
|
|
|
sfd->addr = addrdesc;
|
|
|
|
|
|
|
|
while (!strncmp(*addr, xioopts.paramsep, strlen(xioopts.paramsep))) {
|
|
|
|
*addr += strlen(xioopts.paramsep);
|
|
|
|
len = sizeof(token); tokp = token;
|
|
|
|
if (nestlex(addr, &tokp, &len, ends, hquotes, squotes, nests,
|
|
|
|
true, true, false) != 0) {
|
|
|
|
Error2("syntax error in address \"%s%s\"", token, *addr);
|
|
|
|
}
|
|
|
|
*tokp = '\0';
|
|
|
|
if ((sfd->argv[sfd->argc++] = strdup(token)) == NULL) {
|
|
|
|
Error1("strdup(\"%s\"): out of memory", token);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (parseopts(addr, addrdesc->groups, &sfd->opts) < 0) {
|
|
|
|
free(xfd);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return sfd;
|
|
|
|
}
|
|
|
|
|
|
|
|
int xioopen_single(xiofile_t *xfd, int xioflags) {
|
|
|
|
const struct addrdesc *addrdesc;
|
|
|
|
int result;
|
|
|
|
|
|
|
|
if ((xioflags&XIO_ACCMODE) == XIO_RDONLY) {
|
|
|
|
xfd->tag = XIO_TAG_RDONLY;
|
|
|
|
} else if ((xioflags&XIO_ACCMODE) == XIO_WRONLY) {
|
|
|
|
xfd->tag = XIO_TAG_WRONLY;
|
|
|
|
} else if ((xioflags&XIO_ACCMODE) == XIO_RDWR) {
|
|
|
|
xfd->tag = XIO_TAG_RDWR;
|
|
|
|
} else {
|
|
|
|
Error1("invalid mode for address \"%s\"", xfd->stream.argv[0]);
|
|
|
|
}
|
|
|
|
xfd->stream.flags &= (~XIO_ACCMODE);
|
|
|
|
xfd->stream.flags |= (xioflags & XIO_ACCMODE);
|
|
|
|
addrdesc = xfd->stream.addr;
|
|
|
|
result = (*addrdesc->func)(xfd->stream.argc, xfd->stream.argv,
|
|
|
|
xfd->stream.opts, xioflags, xfd,
|
|
|
|
addrdesc->groups, addrdesc->arg1,
|
|
|
|
addrdesc->arg2, addrdesc->arg3);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|