mirror of
https://github.com/moparisthebest/socat
synced 2024-11-16 05:55:11 -05:00
582 lines
16 KiB
C
582 lines
16 KiB
C
/* source: xioopen.c */
|
|
/* Copyright Gerhard Rieger 2001-2008 */
|
|
/* Published under the GNU General Public License V.2, see file COPYING */
|
|
|
|
/* this is the source file of the extended open function */
|
|
|
|
#include "xiosysincludes.h"
|
|
|
|
#include "xioopen.h"
|
|
#include "xiomodes.h"
|
|
#include "nestlex.h"
|
|
|
|
static xiofile_t *xioallocfd(void);
|
|
|
|
xiosingle_t hugo;
|
|
static xiosingle_t *xioparse_single(const char **addr);
|
|
static xiofile_t *xioparse_dual(const char **addr);
|
|
static int xioopen_dual(xiofile_t *xfd, int xioflags);
|
|
|
|
const struct addrname addressnames[] = {
|
|
#if 1
|
|
#if WITH_STDIO
|
|
{ "-", &addr_stdio },
|
|
#endif
|
|
#if defined(WITH_UNIX) && defined(WITH_ABSTRACT_UNIXSOCKET)
|
|
{ "abstract", &xioaddr_abstract_client },
|
|
{ "abstract-client", &xioaddr_abstract_client },
|
|
{ "abstract-connect", &xioaddr_abstract_connect },
|
|
#if WITH_LISTEN
|
|
{ "abstract-listen", &xioaddr_abstract_listen },
|
|
#endif
|
|
{ "abstract-recv", &xioaddr_abstract_recv },
|
|
{ "abstract-recvfrom", &xioaddr_abstract_recvfrom },
|
|
{ "abstract-sendto", &xioaddr_abstract_sendto },
|
|
#endif /* defined(WITH_UNIX) && defined(WITH_ABSTRACT_UNIXSOCKET) */
|
|
#if WITH_CREAT
|
|
{ "creat", &addr_creat },
|
|
{ "create", &addr_creat },
|
|
#endif
|
|
#if WITH_GENERICSOCKET
|
|
{ "datagram", &xioaddr_socket_datagram },
|
|
{ "dgram", &xioaddr_socket_datagram },
|
|
#endif
|
|
#if WITH_PIPE
|
|
{ "echo", &addr_pipe },
|
|
#endif
|
|
#if WITH_EXEC
|
|
{ "exec", &addr_exec },
|
|
#endif
|
|
#if WITH_FDNUM
|
|
{ "fd", &addr_fd },
|
|
#endif
|
|
#if WITH_PIPE
|
|
{ "fifo", &addr_pipe },
|
|
#endif
|
|
#if WITH_FILE
|
|
{ "file", &addr_open },
|
|
#endif
|
|
#if WITH_GOPEN
|
|
{ "gopen", &addr_gopen },
|
|
#endif
|
|
#if WITH_INTERFACE
|
|
{ "if", &xioaddr_interface },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_TCP
|
|
{ "inet", &addr_tcp_connect },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_TCP && WITH_LISTEN
|
|
{ "inet-l", &addr_tcp_listen },
|
|
{ "inet-listen", &addr_tcp_listen },
|
|
#endif
|
|
#if WITH_IP4 && WITH_TCP
|
|
{ "inet4", &addr_tcp4_connect },
|
|
#endif
|
|
#if WITH_IP4 && WITH_TCP && WITH_LISTEN
|
|
{ "inet4-l", &addr_tcp4_listen },
|
|
{ "inet4-listen", &addr_tcp4_listen },
|
|
#endif
|
|
#if WITH_IP6 && WITH_TCP
|
|
{ "inet6", &addr_tcp6_connect },
|
|
#endif
|
|
#if WITH_IP6 && WITH_TCP && WITH_LISTEN
|
|
{ "inet6-l", &addr_tcp6_listen },
|
|
{ "inet6-listen", &addr_tcp6_listen },
|
|
#endif
|
|
#if WITH_INTERFACE
|
|
{ "interface", &xioaddr_interface },
|
|
#endif
|
|
#if WITH_RAWIP
|
|
#if (WITH_IP4 || WITH_IP6)
|
|
{ "ip", &addr_rawip_sendto },
|
|
{ "ip-datagram", &addr_rawip_datagram },
|
|
{ "ip-dgram", &addr_rawip_datagram },
|
|
{ "ip-recv", &addr_rawip_recv },
|
|
{ "ip-recvfrom", &addr_rawip_recvfrom },
|
|
{ "ip-send", &addr_rawip_sendto },
|
|
{ "ip-sendto", &addr_rawip_sendto },
|
|
#endif
|
|
#if WITH_IP4
|
|
{ "ip4", &addr_rawip4_sendto },
|
|
{ "ip4-datagram", &addr_rawip4_datagram },
|
|
{ "ip4-dgram", &addr_rawip4_datagram },
|
|
{ "ip4-recv", &addr_rawip4_recv },
|
|
{ "ip4-recvfrom", &addr_rawip4_recvfrom },
|
|
{ "ip4-send", &addr_rawip4_sendto },
|
|
{ "ip4-sendto", &addr_rawip4_sendto },
|
|
#endif
|
|
#if WITH_IP6
|
|
{ "ip6", &addr_rawip6_sendto },
|
|
{ "ip6-datagram", &addr_rawip6_datagram },
|
|
{ "ip6-dgram", &addr_rawip6_datagram },
|
|
{ "ip6-recv", &addr_rawip6_recv },
|
|
{ "ip6-recvfrom", &addr_rawip6_recvfrom },
|
|
{ "ip6-send", &addr_rawip6_sendto },
|
|
{ "ip6-sendto", &addr_rawip6_sendto },
|
|
#endif
|
|
#endif /* WITH_RAWIP */
|
|
#if WITH_UNIX
|
|
{ "local", &xioaddr_unix_connect },
|
|
#endif
|
|
#if WITH_FILE
|
|
{ "open", &addr_open },
|
|
#endif
|
|
#if WITH_OPENSSL
|
|
{ "openssl", &addr_openssl },
|
|
{ "openssl-connect", &addr_openssl },
|
|
#if WITH_LISTEN
|
|
{ "openssl-listen", &addr_openssl_listen },
|
|
#endif
|
|
#endif
|
|
#if WITH_PIPE
|
|
{ "pipe", &addr_pipe },
|
|
#endif
|
|
#if WITH_PROXY
|
|
{ "proxy", &addr_proxy_connect },
|
|
{ "proxy-connect", &addr_proxy_connect },
|
|
#endif
|
|
#if WITH_PTY
|
|
{ "pty", &addr_pty },
|
|
#endif
|
|
#if WITH_READLINE
|
|
{ "readline", &addr_readline },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_SCTP
|
|
{ "sctp", &addr_sctp_connect },
|
|
{ "sctp-connect", &addr_sctp_connect },
|
|
#if WITH_LISTEN
|
|
{ "sctp-l", &addr_sctp_listen },
|
|
{ "sctp-listen", &addr_sctp_listen },
|
|
#endif
|
|
#if WITH_IP4
|
|
{ "sctp4", &addr_sctp4_connect },
|
|
{ "sctp4-connect", &addr_sctp4_connect },
|
|
#if WITH_LISTEN
|
|
{ "sctp4-l", &addr_sctp4_listen },
|
|
{ "sctp4-listen", &addr_sctp4_listen },
|
|
#endif
|
|
#endif /* WITH_IP4 */
|
|
#if WITH_IP6
|
|
{ "sctp6", &addr_sctp6_connect },
|
|
{ "sctp6-connect", &addr_sctp6_connect },
|
|
#if WITH_LISTEN
|
|
{ "sctp6-l", &addr_sctp6_listen },
|
|
{ "sctp6-listen", &addr_sctp6_listen },
|
|
#endif
|
|
#endif /* WITH_IP6 */
|
|
#endif /* (WITH_IP4 || WITH_IP6) && WITH_SCTP */
|
|
#if WITH_GENERICSOCKET
|
|
{ "sendto", &xioaddr_socket_sendto },
|
|
#endif
|
|
#if WITH_GENERICSOCKET
|
|
{ "socket-connect", &xioaddr_socket_connect },
|
|
{ "socket-datagram", &xioaddr_socket_datagram },
|
|
#if WITH_LISTEN
|
|
{ "socket-listen", &xioaddr_socket_listen },
|
|
#endif /* WITH_LISTEN */
|
|
{ "socket-recv", &xioaddr_socket_recv },
|
|
{ "socket-recvfrom", &xioaddr_socket_recvfrom },
|
|
{ "socket-sendto", &xioaddr_socket_sendto },
|
|
#endif
|
|
#if WITH_SOCKS4
|
|
{ "socks", &addr_socks4_connect },
|
|
{ "socks4", &addr_socks4_connect },
|
|
#endif
|
|
#if WITH_SOCKS4A
|
|
{ "socks4a", &addr_socks4a_connect },
|
|
#endif
|
|
#if WITH_OPENSSL
|
|
{ "ssl", &addr_openssl },
|
|
#if WITH_LISTEN
|
|
{ "ssl-l", &addr_openssl_listen },
|
|
#endif
|
|
#endif
|
|
#if WITH_STDIO
|
|
{ "stderr", &addr_stderr },
|
|
{ "stdin", &addr_stdin },
|
|
{ "stdio", &addr_stdio },
|
|
{ "stdout", &addr_stdout },
|
|
#endif
|
|
#if WITH_SYSTEM
|
|
{ "system", &addr_system },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_TCP
|
|
{ "tcp", &addr_tcp_connect },
|
|
{ "tcp-connect", &addr_tcp_connect },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_TCP && WITH_LISTEN
|
|
{ "tcp-l", &addr_tcp_listen },
|
|
{ "tcp-listen", &addr_tcp_listen },
|
|
#endif
|
|
#if WITH_IP4 && WITH_TCP
|
|
{ "tcp4", &addr_tcp4_connect },
|
|
{ "tcp4-connect", &addr_tcp4_connect },
|
|
#endif
|
|
#if WITH_IP4 && WITH_TCP && WITH_LISTEN
|
|
{ "tcp4-l", &addr_tcp4_listen },
|
|
{ "tcp4-listen", &addr_tcp4_listen },
|
|
#endif
|
|
#if WITH_IP6 && WITH_TCP
|
|
{ "tcp6", &addr_tcp6_connect },
|
|
{ "tcp6-connect", &addr_tcp6_connect },
|
|
#endif
|
|
#if WITH_IP6 && WITH_TCP && WITH_LISTEN
|
|
{ "tcp6-l", &addr_tcp6_listen },
|
|
{ "tcp6-listen", &addr_tcp6_listen },
|
|
#endif
|
|
#if WITH_TUN
|
|
{ "tun", &xioaddr_tun },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_UDP
|
|
{ "udp", &addr_udp_connect },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_UDP
|
|
{ "udp-connect", &addr_udp_connect },
|
|
{ "udp-datagram", &addr_udp_datagram },
|
|
{ "udp-dgram", &addr_udp_datagram },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_UDP && WITH_LISTEN
|
|
{ "udp-l", &addr_udp_listen },
|
|
{ "udp-listen", &addr_udp_listen },
|
|
#endif
|
|
#if (WITH_IP4 || WITH_IP6) && WITH_UDP
|
|
{ "udp-recv", &addr_udp_recv },
|
|
{ "udp-recvfrom", &addr_udp_recvfrom },
|
|
{ "udp-send", &addr_udp_sendto },
|
|
{ "udp-sendto", &addr_udp_sendto },
|
|
#endif
|
|
#if WITH_IP4 && WITH_UDP
|
|
{ "udp4", &addr_udp4_connect },
|
|
{ "udp4-connect", &addr_udp4_connect },
|
|
{ "udp4-datagram", &addr_udp4_datagram },
|
|
{ "udp4-dgram", &addr_udp4_datagram },
|
|
#endif
|
|
#if WITH_IP4 && WITH_UDP && WITH_LISTEN
|
|
{ "udp4-l", &addr_udp4_listen },
|
|
{ "udp4-listen", &addr_udp4_listen },
|
|
#endif
|
|
#if WITH_IP4 && WITH_UDP
|
|
{ "udp4-recv", &addr_udp4_recv },
|
|
{ "udp4-recvfrom", &addr_udp4_recvfrom },
|
|
{ "udp4-send", &addr_udp4_sendto },
|
|
{ "udp4-sendto", &addr_udp4_sendto },
|
|
#endif
|
|
#if WITH_IP6 && WITH_UDP
|
|
{ "udp6", &addr_udp6_connect },
|
|
{ "udp6-connect", &addr_udp6_connect },
|
|
{ "udp6-datagram", &addr_udp6_datagram },
|
|
{ "udp6-dgram", &addr_udp6_datagram },
|
|
#endif
|
|
#if WITH_IP6 && WITH_UDP && WITH_LISTEN
|
|
{ "udp6-l", &addr_udp6_listen },
|
|
{ "udp6-listen", &addr_udp6_listen },
|
|
#endif
|
|
#if WITH_IP6 && WITH_UDP
|
|
{ "udp6-recv", &addr_udp6_recv },
|
|
{ "udp6-recvfrom", &addr_udp6_recvfrom },
|
|
{ "udp6-send", &addr_udp6_sendto },
|
|
{ "udp6-sendto", &addr_udp6_sendto },
|
|
#endif
|
|
#if WITH_UNIX
|
|
{ "unix", &xioaddr_unix_client },
|
|
{ "unix-client", &xioaddr_unix_client },
|
|
{ "unix-connect", &xioaddr_unix_connect },
|
|
#endif
|
|
#if WITH_UNIX && WITH_LISTEN
|
|
{ "unix-l", &xioaddr_unix_listen },
|
|
{ "unix-listen", &xioaddr_unix_listen },
|
|
#endif
|
|
#if WITH_UNIX
|
|
{ "unix-recv", &xioaddr_unix_recv },
|
|
{ "unix-recvfrom", &xioaddr_unix_recvfrom },
|
|
{ "unix-send", &xioaddr_unix_sendto },
|
|
{ "unix-sendto", &xioaddr_unix_sendto },
|
|
#endif
|
|
#else /* !0 */
|
|
# if WITH_INTEGRATE
|
|
# include "xiointegrate.c"
|
|
# else
|
|
# include "xioaddrtab.c"
|
|
# endif
|
|
#endif /* !0 */
|
|
{ NULL } /* end marker */
|
|
} ;
|
|
|
|
int xioopen_single(xiofile_t *xfd, int xioflags);
|
|
|
|
|
|
/* prepares a xiofile_t record for dual address type:
|
|
sets the tag and allocates memory for the substreams.
|
|
returns 0 on success, or <0 if an error occurred.
|
|
*/
|
|
int xioopen_makedual(xiofile_t *file) {
|
|
file->tag = XIO_TAG_DUAL;
|
|
file->common.flags = XIO_RDWR;
|
|
if ((file->dual.stream[0] = (xiosingle_t *)xioallocfd()) == NULL)
|
|
return -1;
|
|
file->dual.stream[0]->flags = XIO_RDONLY;
|
|
if ((file->dual.stream[1] = (xiosingle_t *)xioallocfd()) == NULL)
|
|
return -1;
|
|
file->dual.stream[1]->flags = XIO_WRONLY;
|
|
return 0;
|
|
}
|
|
|
|
static xiofile_t *xioallocfd(void) {
|
|
xiofile_t *fd;
|
|
|
|
if ((fd = Calloc(1, sizeof(xiofile_t))) == NULL) {
|
|
return NULL;
|
|
}
|
|
/* some default values; 0's and NULL's need not be applied (calloc'ed) */
|
|
fd->common.tag = XIO_TAG_INVALID;
|
|
/* fd->common.addr = NULL; */
|
|
fd->common.flags = XIO_RDWR;
|
|
|
|
#if WITH_RETRY
|
|
/* fd->stream.retry = 0; */
|
|
/* fd->stream.forever = false; */
|
|
fd->stream.intervall.tv_sec = 1;
|
|
/* fd->stream.intervall.tv_nsec = 0; */
|
|
#endif /* WITH_RETRY */
|
|
/* fd->common.ignoreeof = false; */
|
|
/* fd->common.eof = 0; */
|
|
|
|
fd->stream.fd = -1;
|
|
fd->stream.dtype = XIODATA_STREAM;
|
|
#if _WITH_SOCKET
|
|
/* fd->stream.salen = 0; */
|
|
#endif /* _WITH_SOCKET */
|
|
fd->stream.howtoend = END_UNSPEC;
|
|
/* fd->stream.name = NULL; */
|
|
fd->stream.escape = -1;
|
|
/* fd->stream.para.exec.pid = 0; */
|
|
fd->stream.lineterm = LINETERM_RAW;
|
|
|
|
/*!! support n socks */
|
|
if (!sock[0]) {
|
|
sock[0] = fd;
|
|
} else {
|
|
sock[1] = fd;
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
|
|
/* parse the argument that specifies a two-directional data stream
|
|
and open the resulting address
|
|
*/
|
|
xiofile_t *xioopen(const char *addr, /* address specification */
|
|
int xioflags) {
|
|
xiofile_t *xfd;
|
|
|
|
if (xioinitialize() < 0) {
|
|
return NULL;
|
|
}
|
|
|
|
if ((xfd = xioparse_dual(&addr)) == NULL) {
|
|
return NULL;
|
|
}
|
|
if (xioopen_dual(xfd, xioflags) < 0) {
|
|
/*!!! free something? */
|
|
return NULL;
|
|
}
|
|
|
|
return xfd;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|