1 /* Jim - A small embeddable Tcl interpreter
3 * Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
4 * Copyright 2005 Clemens Hintze <c.hintze@gmx.net>
5 * Copyright 2005 patthoyts - Pat Thoyts <patthoyts@users.sf.net>
6 * Copyright 2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
7 * Copyright 2008 Andrew Lunn <andrew@lunn.ch>
8 * Copyright 2008 Duane Ellis <openocd@duaneellis.com>
9 * Copyright 2008 Uwe Klein <uklein@klein-messgeraete.de>
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer in the documentation and/or other materials
20 * provided with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
23 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
25 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 * The views and conclusions contained in the software and documentation
36 * are those of the authors and should not be interpreted as representing
37 * official policies, either expressed or implied, of the Jim Tcl Project.
40 #include "jimautoconf.h"
62 #include "jimiocompat.h"
64 #if defined(HAVE_SYS_SOCKET_H) && defined(HAVE_SELECT) && defined(HAVE_NETINET_IN_H) && defined(HAVE_NETDB_H) && defined(HAVE_ARPA_INET_H)
65 #include <sys/socket.h>
66 #include <netinet/in.h>
67 #include <netinet/tcp.h>
68 #include <arpa/inet.h>
74 #elif defined (__MINGW32__)
75 /* currently mingw32 doesn't support sockets, but has pipe, fdopen */
81 #include <openssl/ssl.h>
82 #include <openssl/err.h>
89 #include "jim-eventloop.h"
90 #include "jim-subcmd.h"
92 #define AIO_CMD_LEN 32 /* e.g. aio.handleXXXXXX */
93 #define AIO_BUF_LEN 256 /* Can keep this small and rely on stdio buffering */
102 #define AIO_KEEPOPEN 1
103 #define AIO_NODELETE 2
106 #if defined(JIM_IPV6)
114 #if defined(HAVE_SYS_UN_H) && defined(PF_UNIX)
115 #define UNIX_SOCKETS 1
117 #define UNIX_SOCKETS 0
121 /* no fdopen() with ANSIC, so can't support these */
123 #undef HAVE_SOCKETPAIR
126 #if defined(HAVE_SOCKETS) && !defined(JIM_BOOTSTRAP)
127 /* Avoid type punned pointers */
130 struct sockaddr_in sin
;
132 struct sockaddr_in6 sin6
;
135 struct sockaddr_un sun
;
139 #ifndef HAVE_INET_NTOP
140 const char *inet_ntop(int af
, const void *src
, char *dst
, int size
)
145 snprintf(dst
, size
, "%s", inet_ntoa(((struct sockaddr_in
*)src
)->sin_addr
));
149 #endif /* JIM_BOOTSTRAP */
154 int (*writer
)(struct AioFile
*af
, const char *buf
, int len
);
155 int (*reader
)(struct AioFile
*af
, char *buf
, int len
);
156 const char *(*getline
)(struct AioFile
*af
, char *buf
, int len
);
157 int (*error
)(const struct AioFile
*af
);
158 const char *(*strerror
)(struct AioFile
*af
);
159 int (*verify
)(struct AioFile
*af
);
160 int (*eof
)(struct AioFile
*af
);
161 int (*pending
)(struct AioFile
*af
);
164 typedef struct AioFile
169 int flags
; /* AIO_KEEPOPEN? keep FILE* */
176 const JimAioFopsType
*fops
;
179 static int stdio_writer(struct AioFile
*af
, const char *buf
, int len
)
181 return fwrite(buf
, 1, len
, af
->fp
);
184 static int stdio_reader(struct AioFile
*af
, char *buf
, int len
)
186 return fread(buf
, 1, len
, af
->fp
);
189 static const char *stdio_getline(struct AioFile
*af
, char *buf
, int len
)
191 return fgets(buf
, len
, af
->fp
);
194 static int stdio_error(const AioFile
*af
)
196 if (!ferror(af
->fp
)) {
200 /* EAGAIN and similar are not error conditions. Just treat them like eof */
201 if (feof(af
->fp
) || errno
== EAGAIN
|| errno
== EINTR
) {
205 if (errno
== ECONNRESET
) {
210 if (errno
== ECONNABORTED
) {
217 static const char *stdio_strerror(struct AioFile
*af
)
219 return strerror(errno
);
222 static int stdio_eof(struct AioFile
*af
)
227 static const JimAioFopsType stdio_fops
= {
238 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
240 static SSL_CTX
*JimAioSslCtx(Jim_Interp
*interp
);
242 static int ssl_writer(struct AioFile
*af
, const char *buf
, int len
)
244 return SSL_write(af
->ssl
, buf
, len
);
247 static int ssl_pending(struct AioFile
*af
)
249 return SSL_pending(af
->ssl
);
252 static int ssl_reader(struct AioFile
*af
, char *buf
, int len
)
254 int ret
= SSL_read(af
->ssl
, buf
, len
);
255 switch (SSL_get_error(af
->ssl
, ret
)) {
258 case SSL_ERROR_SYSCALL
:
259 case SSL_ERROR_ZERO_RETURN
:
260 if (errno
!= EAGAIN
) {
261 af
->flags
|= AIO_EOF
;
266 if (errno
== EAGAIN
) {
269 af
->flags
|= AIO_EOF
;
274 static int ssl_eof(struct AioFile
*af
)
276 return (af
->flags
& AIO_EOF
);
279 static const char *ssl_getline(struct AioFile
*af
, char *buf
, int len
)
282 for (i
= 0; i
< len
- 1 && !ssl_eof(af
); i
++) {
283 int ret
= ssl_reader(af
, &buf
[i
], 1);
287 if (buf
[i
] == '\n') {
293 if (i
== 0 && ssl_eof(af
)) {
299 static int ssl_error(const struct AioFile
*af
)
301 int ret
= SSL_get_error(af
->ssl
, 0);
302 if (ret
== SSL_ERROR_SYSCALL
|| ret
== 0) {
303 return stdio_error(af
);
308 static const char *ssl_strerror(struct AioFile
*af
)
310 int err
= ERR_get_error();
313 return ERR_error_string(err
, NULL
);
316 return stdio_strerror(af
);
320 static int ssl_verify(struct AioFile
*af
)
324 cert
= SSL_get_peer_certificate(af
->ssl
);
330 if (SSL_get_verify_result(af
->ssl
) == X509_V_OK
) {
337 static const JimAioFopsType ssl_fops
= {
347 #endif /* JIM_BOOTSTRAP */
349 static int JimAioSubCmdProc(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
);
350 static AioFile
*JimMakeChannel(Jim_Interp
*interp
, FILE *fh
, int fd
, Jim_Obj
*filename
,
351 const char *hdlfmt
, int family
, const char *mode
, int flags
);
353 #if defined(HAVE_SOCKETS) && !defined(JIM_BOOTSTRAP)
354 #ifndef HAVE_GETADDRINFO
356 * Poor man's getaddrinfo().
357 * hints->ai_family must be set and must be PF_INET or PF_INET6
358 * Only returns the first matching result.
359 * servname must be numeric.
363 socklen_t ai_addrlen
;
364 struct sockaddr
*ai_addr
; /* simply points to ai_storage */
365 union sockaddr_any ai_storage
;
368 static int getaddrinfo(const char *hostname
, const char *servname
,
369 const struct addrinfo
*hints
, struct addrinfo
**res
)
373 unsigned long port
= strtoul(servname
, &end
, 10);
374 if (port
== 0 || port
> 65536 || *end
) {
379 if ((he
= gethostbyname(hostname
)) != NULL
) {
381 for (i
= 0; he
->h_addr_list
[i
]; i
++) {
382 if (he
->h_addrtype
== hints
->ai_family
) {
383 struct addrinfo
*ai
= malloc(sizeof(*ai
));
384 memset(ai
, 0, sizeof(*ai
));
385 ai
->ai_family
= he
->h_addrtype
;
386 ai
->ai_addr
= &ai
->ai_storage
.sa
;
387 if (ai
->ai_family
== PF_INET
) {
388 ai
->ai_addrlen
= sizeof(ai
->ai_storage
.sin
);
389 ai
->ai_storage
.sin
.sin_family
= he
->h_addrtype
;
390 assert(sizeof(ai
->ai_storage
.sin
.sin_addr
) == he
->h_length
);
391 memcpy(&ai
->ai_storage
.sin
.sin_addr
, he
->h_addr_list
[i
], he
->h_length
);
392 ai
->ai_storage
.sin
.sin_port
= htons(port
);
396 ai
->ai_addrlen
= sizeof(ai
->ai_storage
.sin6
);
397 ai
->ai_storage
.sin6
.sin6_family
= he
->h_addrtype
;
398 assert(sizeof(ai
->ai_storage
.sin6
.sin6_addr
) == he
->h_length
);
399 memcpy(&ai
->ai_storage
.sin6
.sin6_addr
, he
->h_addr_list
[i
], he
->h_length
);
400 ai
->ai_storage
.sin6
.sin6_port
= htons(port
);
411 static void freeaddrinfo(struct addrinfo
*ai
)
417 static int JimParseIPv6Address(Jim_Interp
*interp
, const char *hostport
, union sockaddr_any
*sa
, socklen_t
*salen
)
421 * An IPv6 addr/port looks like:
424 * [fe80::223:6cff:fe95:bdc0%en1]:2000
428 * Note that the "any" address is ::, which is the same as when no address is specified.
436 stport
= strrchr(hostport
, ':');
438 /* No : so, the whole thing is the port */
441 sthost
= Jim_StrDup(hostport
);
447 if (*hostport
== '[') {
448 /* This is a numeric ipv6 address */
449 char *pt
= strchr(++hostport
, ']');
451 sthost
= Jim_StrDupLen(hostport
, pt
- hostport
);
456 sthost
= Jim_StrDupLen(hostport
, stport
- hostport
- 1);
459 memset(&req
, '\0', sizeof(req
));
460 req
.ai_family
= PF_INET6
;
462 if (getaddrinfo(sthost
, stport
, &req
, &ai
)) {
463 Jim_SetResultFormatted(interp
, "Not a valid address: %s:%s", sthost
, stport
);
467 memcpy(&sa
->sin6
, ai
->ai_addr
, ai
->ai_addrlen
);
468 *salen
= ai
->ai_addrlen
;
475 Jim_SetResultString(interp
, "ipv6 not supported", -1);
480 static int JimParseIpAddress(Jim_Interp
*interp
, const char *hostport
, union sockaddr_any
*sa
, socklen_t
*salen
)
482 /* An IPv4 addr/port looks like:
487 * If the address is missing, INADDR_ANY is used.
488 * If the port is missing, 0 is used (only useful for server sockets).
496 stport
= strrchr(hostport
, ':');
498 /* No : so, the whole thing is the port */
500 sthost
= Jim_StrDup("0.0.0.0");
503 sthost
= Jim_StrDupLen(hostport
, stport
- hostport
);
507 memset(&req
, '\0', sizeof(req
));
508 req
.ai_family
= PF_INET
;
510 if (getaddrinfo(sthost
, stport
, &req
, &ai
)) {
514 memcpy(&sa
->sin
, ai
->ai_addr
, ai
->ai_addrlen
);
515 *salen
= ai
->ai_addrlen
;
521 Jim_SetResultFormatted(interp
, "Not a valid address: %s", hostport
);
528 static int JimParseDomainAddress(Jim_Interp
*interp
, const char *path
, union sockaddr_any
*sa
, socklen_t
*salen
)
530 sa
->sun
.sun_family
= PF_UNIX
;
531 snprintf(sa
->sun
.sun_path
, sizeof(sa
->sun
.sun_path
), "%s", path
);
532 *salen
= strlen(sa
->sun
.sun_path
) + 1 + sizeof(sa
->sun
.sun_family
);
538 static int JimParseSocketAddress(Jim_Interp
*interp
, int family
, const char *addr
, union sockaddr_any
*sa
, socklen_t
*salen
)
543 return JimParseDomainAddress(interp
, addr
, sa
, salen
);
546 return JimParseIPv6Address(interp
, addr
, sa
, salen
);
548 return JimParseIpAddress(interp
, addr
, sa
, salen
);
554 * Format that address in 'sa' as a string and return it as a zero-refcount object.
557 static Jim_Obj
*JimFormatSocketAddress(Jim_Interp
*interp
, const union sockaddr_any
*sa
, socklen_t salen
)
559 /* INET6_ADDRSTRLEN is 46. Add some for [] and port */
561 const char *addr
= addrbuf
;
564 switch (sa
->sa
.sa_family
) {
567 addr
= sa
->sun
.sun_path
;
568 addrlen
= salen
- 1 - sizeof(sa
->sun
.sun_family
);
577 /* Allow 9 for []:65535\0 */
578 inet_ntop(sa
->sa
.sa_family
, &sa
->sin6
.sin6_addr
, addrbuf
+ 1, sizeof(addrbuf
) - 9);
579 snprintf(addrbuf
+ strlen(addrbuf
), 8, "]:%d", ntohs(sa
->sin6
.sin6_port
));
583 /* Allow 7 for :65535\0 */
584 inet_ntop(sa
->sa
.sa_family
, &sa
->sin
.sin_addr
, addrbuf
, sizeof(addrbuf
) - 7);
585 snprintf(addrbuf
+ strlen(addrbuf
), 7, ":%d", ntohs(sa
->sin
.sin_port
));
589 /* Otherwise just an empty address */
594 return Jim_NewStringObj(interp
, addr
, addrlen
);
597 static int JimSetVariableSocketAddress(Jim_Interp
*interp
, Jim_Obj
*varObjPtr
, const union sockaddr_any
*sa
, socklen_t salen
)
600 Jim_Obj
*objPtr
= JimFormatSocketAddress(interp
, sa
, salen
);
601 Jim_IncrRefCount(objPtr
);
602 ret
= Jim_SetVariable(interp
, varObjPtr
, objPtr
);
603 Jim_DecrRefCount(interp
, objPtr
);
607 static Jim_Obj
*aio_sockname(Jim_Interp
*interp
, AioFile
*af
)
609 union sockaddr_any sa
;
610 socklen_t salen
= sizeof(sa
);
612 if (getsockname(af
->fd
, &sa
.sa
, &salen
) < 0) {
615 return JimFormatSocketAddress(interp
, &sa
, salen
);
617 #endif /* JIM_BOOTSTRAP */
619 static const char *JimAioErrorString(AioFile
*af
)
622 return af
->fops
->strerror(af
);
624 return strerror(errno
);
627 static void JimAioSetError(Jim_Interp
*interp
, Jim_Obj
*name
)
629 AioFile
*af
= Jim_CmdPrivData(interp
);
632 Jim_SetResultFormatted(interp
, "%#s: %s", name
, JimAioErrorString(af
));
635 Jim_SetResultString(interp
, JimAioErrorString(af
), -1);
639 static int JimCheckStreamError(Jim_Interp
*interp
, AioFile
*af
)
641 int ret
= af
->fops
->error(af
);
643 JimAioSetError(interp
, af
->filename
);
648 static void JimAioDelProc(Jim_Interp
*interp
, void *privData
)
650 AioFile
*af
= privData
;
655 if (af
->addr_family
== PF_UNIX
&& (af
->flags
& AIO_NODELETE
) == 0) {
656 /* If this is bound, delete the socket file now */
657 Jim_Obj
*filenameObj
= aio_sockname(interp
, af
);
659 if (Jim_Length(filenameObj
)) {
660 remove(Jim_String(filenameObj
));
662 Jim_FreeNewObj(interp
, filenameObj
);
667 Jim_DecrRefCount(interp
, af
->filename
);
669 #ifdef jim_ext_eventloop
670 /* remove all existing EventHandlers */
671 Jim_DeleteFileHandler(interp
, af
->fd
, JIM_EVENT_READABLE
| JIM_EVENT_WRITABLE
| JIM_EVENT_EXCEPTION
);
675 if (af
->ssl
!= NULL
) {
679 if (!(af
->flags
& AIO_KEEPOPEN
)) {
686 static int aio_cmd_read(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
688 AioFile
*af
= Jim_CmdPrivData(interp
);
689 char buf
[AIO_BUF_LEN
];
693 jim_wide neededLen
= -1; /* -1 is "read as much as possible" */
694 static const char * const options
[] = { "-pending", "-nonewline", NULL
};
695 enum { OPT_PENDING
, OPT_NONEWLINE
};
699 if (*Jim_String(argv
[0]) == '-') {
700 if (Jim_GetEnum(interp
, argv
[0], options
, &option
, NULL
, JIM_ERRMSG
) != JIM_OK
) {
705 if (!af
->fops
->pending
) {
706 Jim_SetResultString(interp
, "-pending not supported on this connection type", -1);
717 if (Jim_GetWide(interp
, argv
[0], &neededLen
) != JIM_OK
)
720 Jim_SetResultString(interp
, "invalid parameter: negative len", -1);
730 objPtr
= Jim_NewStringObj(interp
, NULL
, 0);
731 while (neededLen
!= 0) {
735 if (neededLen
== -1) {
736 readlen
= AIO_BUF_LEN
;
739 readlen
= (neededLen
> AIO_BUF_LEN
? AIO_BUF_LEN
: neededLen
);
741 retval
= af
->fops
->reader(af
, buf
, pending
? 1 : readlen
);
743 Jim_AppendString(interp
, objPtr
, buf
, retval
);
744 if (neededLen
!= -1) {
748 /* If pending was specified, after we do the initial read,
749 * we do a second read to fetch any buffered data
751 neededLen
= af
->fops
->pending(af
);
758 /* Check for error conditions */
759 if (JimCheckStreamError(interp
, af
)) {
760 Jim_FreeNewObj(interp
, objPtr
);
765 const char *s
= Jim_GetString(objPtr
, &len
);
767 if (len
> 0 && s
[len
- 1] == '\n') {
769 objPtr
->bytes
[objPtr
->length
] = '\0';
772 Jim_SetResult(interp
, objPtr
);
776 AioFile
*Jim_AioFile(Jim_Interp
*interp
, Jim_Obj
*command
)
778 Jim_Cmd
*cmdPtr
= Jim_GetCommand(interp
, command
, JIM_ERRMSG
);
780 /* XXX: There ought to be a supported API for this */
781 if (cmdPtr
&& !cmdPtr
->isproc
&& cmdPtr
->u
.native
.cmdProc
== JimAioSubCmdProc
) {
782 return (AioFile
*) cmdPtr
->u
.native
.privData
;
784 Jim_SetResultFormatted(interp
, "Not a filehandle: \"%#s\"", command
);
788 FILE *Jim_AioFilehandle(Jim_Interp
*interp
, Jim_Obj
*command
)
792 af
= Jim_AioFile(interp
, command
);
800 static int aio_cmd_getfd(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
802 AioFile
*af
= Jim_CmdPrivData(interp
);
805 Jim_SetResultInt(interp
, fileno(af
->fp
));
810 static int aio_cmd_copy(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
812 AioFile
*af
= Jim_CmdPrivData(interp
);
814 jim_wide maxlen
= JIM_WIDE_MAX
;
815 AioFile
*outf
= Jim_AioFile(interp
, argv
[0]);
822 if (Jim_GetWide(interp
, argv
[1], &maxlen
) != JIM_OK
) {
827 while (count
< maxlen
) {
828 /* A reasonable compromise between stack size and speed */
829 char buf
[AIO_BUF_LEN
];
830 jim_wide len
= maxlen
- count
;
831 if (len
> sizeof(buf
)) {
835 len
= af
->fops
->reader(af
, buf
, len
);
839 if (outf
->fops
->writer(outf
, buf
, len
) != len
) {
845 if (JimCheckStreamError(interp
, af
) || JimCheckStreamError(interp
, outf
)) {
849 Jim_SetResultInt(interp
, count
);
854 static int aio_cmd_gets(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
856 AioFile
*af
= Jim_CmdPrivData(interp
);
857 char buf
[AIO_BUF_LEN
];
863 objPtr
= Jim_NewStringObj(interp
, NULL
, 0);
865 buf
[AIO_BUF_LEN
- 1] = '_';
867 if (af
->fops
->getline(af
, buf
, AIO_BUF_LEN
) == NULL
)
870 if (buf
[AIO_BUF_LEN
- 1] == '\0' && buf
[AIO_BUF_LEN
- 2] != '\n') {
871 Jim_AppendString(interp
, objPtr
, buf
, AIO_BUF_LEN
- 1);
876 if (len
&& (buf
[len
- 1] == '\n')) {
881 Jim_AppendString(interp
, objPtr
, buf
, len
);
886 if (JimCheckStreamError(interp
, af
)) {
888 Jim_FreeNewObj(interp
, objPtr
);
893 if (Jim_SetVariable(interp
, argv
[0], objPtr
) != JIM_OK
) {
894 Jim_FreeNewObj(interp
, objPtr
);
898 len
= Jim_Length(objPtr
);
900 if (len
== 0 && af
->fops
->eof(af
)) {
901 /* On EOF returns -1 if varName was specified */
904 Jim_SetResultInt(interp
, len
);
907 Jim_SetResult(interp
, objPtr
);
912 static int aio_cmd_puts(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
914 AioFile
*af
= Jim_CmdPrivData(interp
);
920 if (!Jim_CompareStringImmediate(interp
, argv
[0], "-nonewline")) {
929 wdata
= Jim_GetString(strObj
, &wlen
);
930 if (af
->fops
->writer(af
, wdata
, wlen
) == wlen
) {
931 if (argc
== 2 || af
->fops
->writer(af
, "\n", 1) == 1) {
935 JimAioSetError(interp
, af
->filename
);
939 static int aio_cmd_isatty(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
942 AioFile
*af
= Jim_CmdPrivData(interp
);
943 Jim_SetResultInt(interp
, isatty(fileno(af
->fp
)));
945 Jim_SetResultInt(interp
, 0);
951 #if defined(HAVE_SOCKETS) && !defined(JIM_BOOTSTRAP)
952 static int aio_cmd_recvfrom(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
954 AioFile
*af
= Jim_CmdPrivData(interp
);
956 union sockaddr_any sa
;
958 socklen_t salen
= sizeof(sa
);
961 if (Jim_GetLong(interp
, argv
[0], &len
) != JIM_OK
) {
965 buf
= Jim_Alloc(len
+ 1);
967 rlen
= recvfrom(fileno(af
->fp
), buf
, len
, 0, &sa
.sa
, &salen
);
970 JimAioSetError(interp
, NULL
);
974 Jim_SetResult(interp
, Jim_NewStringObjNoAlloc(interp
, buf
, rlen
));
977 return JimSetVariableSocketAddress(interp
, argv
[1], &sa
, salen
);
984 static int aio_cmd_sendto(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
986 AioFile
*af
= Jim_CmdPrivData(interp
);
990 union sockaddr_any sa
;
991 const char *addr
= Jim_String(argv
[1]);
994 if (JimParseSocketAddress(interp
, af
->addr_family
, addr
, &sa
, &salen
) != JIM_OK
) {
997 wdata
= Jim_GetString(argv
[0], &wlen
);
999 /* Note that we don't validate the socket type. Rely on sendto() failing if appropriate */
1000 len
= sendto(fileno(af
->fp
), wdata
, wlen
, 0, &sa
.sa
, salen
);
1002 JimAioSetError(interp
, NULL
);
1005 Jim_SetResultInt(interp
, len
);
1009 static int aio_cmd_accept(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1011 AioFile
*af
= Jim_CmdPrivData(interp
);
1013 union sockaddr_any sa
;
1014 socklen_t salen
= sizeof(sa
);
1016 sock
= accept(af
->fd
, &sa
.sa
, &salen
);
1018 JimAioSetError(interp
, NULL
);
1023 if (JimSetVariableSocketAddress(interp
, argv
[0], &sa
, salen
) != JIM_OK
) {
1028 /* Create the file command */
1029 return JimMakeChannel(interp
, NULL
, sock
, Jim_NewStringObj(interp
, "accept", -1),
1030 "aio.sockstream%ld", af
->addr_family
, "r+", AIO_NODELETE
) ? JIM_OK
: JIM_ERR
;
1033 static int aio_cmd_sockname(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1035 AioFile
*af
= Jim_CmdPrivData(interp
);
1036 Jim_Obj
*objPtr
= aio_sockname(interp
, af
);
1038 if (objPtr
== NULL
) {
1039 JimAioSetError(interp
, NULL
);
1042 Jim_SetResult(interp
, objPtr
);
1046 static int aio_cmd_peername(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1048 AioFile
*af
= Jim_CmdPrivData(interp
);
1049 union sockaddr_any sa
;
1050 socklen_t salen
= sizeof(sa
);
1052 if (getpeername(af
->fd
, &sa
.sa
, &salen
) < 0) {
1053 JimAioSetError(interp
, NULL
);
1056 Jim_SetResult(interp
, JimFormatSocketAddress(interp
, &sa
, salen
));
1060 static int aio_cmd_listen(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1062 AioFile
*af
= Jim_CmdPrivData(interp
);
1065 if (Jim_GetLong(interp
, argv
[0], &backlog
) != JIM_OK
) {
1069 if (listen(af
->fd
, backlog
)) {
1070 JimAioSetError(interp
, NULL
);
1076 #endif /* JIM_BOOTSTRAP */
1078 static int aio_cmd_flush(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1080 AioFile
*af
= Jim_CmdPrivData(interp
);
1082 if (fflush(af
->fp
) == EOF
) {
1083 JimAioSetError(interp
, af
->filename
);
1089 static int aio_cmd_eof(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1091 AioFile
*af
= Jim_CmdPrivData(interp
);
1093 Jim_SetResultInt(interp
, !!af
->fops
->eof(af
));
1097 static int aio_cmd_close(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1101 #if defined(HAVE_SOCKETS)
1102 static const char * const options
[] = { "r", "w", "-nodelete", NULL
};
1103 enum { OPT_R
, OPT_W
, OPT_NODELETE
};
1104 AioFile
*af
= Jim_CmdPrivData(interp
);
1106 if (Jim_GetEnum(interp
, argv
[2], options
, &option
, NULL
, JIM_ERRMSG
) != JIM_OK
) {
1111 #if defined(HAVE_SHUTDOWN)
1114 if (shutdown(af
->fd
, option
== OPT_R
? SHUT_RD
: SHUT_WR
) == 0) {
1117 JimAioSetError(interp
, NULL
);
1122 if (af
->addr_family
== PF_UNIX
) {
1123 af
->flags
|= AIO_NODELETE
;
1129 Jim_SetResultString(interp
, "not supported", -1);
1134 return Jim_DeleteCommand(interp
, Jim_String(argv
[0]));
1137 static int aio_cmd_seek(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1139 AioFile
*af
= Jim_CmdPrivData(interp
);
1140 int orig
= SEEK_SET
;
1144 if (Jim_CompareStringImmediate(interp
, argv
[1], "start"))
1146 else if (Jim_CompareStringImmediate(interp
, argv
[1], "current"))
1148 else if (Jim_CompareStringImmediate(interp
, argv
[1], "end"))
1154 if (Jim_GetWide(interp
, argv
[0], &offset
) != JIM_OK
) {
1157 if (fseeko(af
->fp
, offset
, orig
) == -1) {
1158 JimAioSetError(interp
, af
->filename
);
1164 static int aio_cmd_tell(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1166 AioFile
*af
= Jim_CmdPrivData(interp
);
1168 Jim_SetResultInt(interp
, ftello(af
->fp
));
1172 static int aio_cmd_filename(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1174 AioFile
*af
= Jim_CmdPrivData(interp
);
1176 Jim_SetResult(interp
, af
->filename
);
1181 static int aio_cmd_ndelay(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1183 AioFile
*af
= Jim_CmdPrivData(interp
);
1185 int fmode
= fcntl(af
->fd
, F_GETFL
);
1190 if (Jim_GetLong(interp
, argv
[0], &nb
) != JIM_OK
) {
1199 (void)fcntl(af
->fd
, F_SETFL
, fmode
);
1201 Jim_SetResultInt(interp
, (fmode
& O_NONBLOCK
) ? 1 : 0);
1206 #if defined(HAVE_SOCKETS) && !defined(JIM_BOOTSTRAP)
1207 #define SOCKOPT_BOOL 0
1208 #define SOCKOPT_INT 1
1209 #define SOCKOPT_TIMEVAL 2 /* not currently supported */
1211 static const struct sockopt_def
{
1215 int type
; /* SOCKOPT_xxx */
1219 { "broadcast", SOL_SOCKET
, SO_BROADCAST
},
1222 { "debug", SOL_SOCKET
, SO_DEBUG
},
1225 { "keepalive", SOL_SOCKET
, SO_KEEPALIVE
},
1228 { "nosigpipe", SOL_SOCKET
, SO_NOSIGPIPE
},
1231 { "oobinline", SOL_SOCKET
, SO_OOBINLINE
},
1234 { "sndbuf", SOL_SOCKET
, SO_SNDBUF
, SOCKOPT_INT
},
1237 { "rcvbuf", SOL_SOCKET
, SO_RCVBUF
, SOCKOPT_INT
},
1239 #if 0 && defined(SO_SNDTIMEO)
1240 { "sndtimeo", SOL_SOCKET
, SO_SNDTIMEO
, SOCKOPT_TIMEVAL
},
1242 #if 0 && defined(SO_RCVTIMEO)
1243 { "rcvtimeo", SOL_SOCKET
, SO_RCVTIMEO
, SOCKOPT_TIMEVAL
},
1248 { "tcp_nodelay", IPPROTO_TCP
, TCP_NODELAY
},
1253 static int aio_cmd_sockopt(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1255 AioFile
*af
= Jim_CmdPrivData(interp
);
1259 Jim_Obj
*dictObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
1260 for (i
= 0; i
< sizeof(sockopts
) / sizeof(*sockopts
); i
++) {
1262 socklen_t len
= sizeof(value
);
1263 if (getsockopt(af
->fd
, sockopts
[i
].level
, sockopts
[i
].opt
, (void *)&value
, &len
) == 0) {
1264 if (sockopts
[i
].type
== SOCKOPT_BOOL
) {
1267 Jim_ListAppendElement(interp
, dictObjPtr
, Jim_NewStringObj(interp
, sockopts
[i
].name
, -1));
1268 Jim_ListAppendElement(interp
, dictObjPtr
, Jim_NewIntObj(interp
, value
));
1271 Jim_SetResult(interp
, dictObjPtr
);
1279 for (i
= 0; i
< sizeof(sockopts
) / sizeof(*sockopts
); i
++) {
1280 if (strcmp(Jim_String(argv
[0]), sockopts
[i
].name
) == 0) {
1282 if (sockopts
[i
].type
== SOCKOPT_BOOL
) {
1283 if (Jim_GetBoolean(interp
, argv
[1], &on
) != JIM_OK
) {
1289 if (Jim_GetLong(interp
, argv
[1], &longval
) != JIM_OK
) {
1294 if (setsockopt(af
->fd
, sockopts
[i
].level
, sockopts
[i
].opt
, (void *)&on
, sizeof(on
)) < 0) {
1295 Jim_SetResultFormatted(interp
, "Failed to set %#s: %s", argv
[0], strerror(errno
));
1302 Jim_SetResultFormatted(interp
, "Unknown sockopt %#s", argv
[0]);
1305 #endif /* JIM_BOOTSTRAP */
1308 static int aio_cmd_sync(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1310 AioFile
*af
= Jim_CmdPrivData(interp
);
1318 static int aio_cmd_buffering(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1320 AioFile
*af
= Jim_CmdPrivData(interp
);
1322 static const char * const options
[] = {
1336 if (Jim_GetEnum(interp
, argv
[0], options
, &option
, NULL
, JIM_ERRMSG
) != JIM_OK
) {
1341 setvbuf(af
->fp
, NULL
, _IONBF
, 0);
1344 setvbuf(af
->fp
, NULL
, _IOLBF
, BUFSIZ
);
1347 setvbuf(af
->fp
, NULL
, _IOFBF
, BUFSIZ
);
1353 #ifdef jim_ext_eventloop
1354 static void JimAioFileEventFinalizer(Jim_Interp
*interp
, void *clientData
)
1356 Jim_Obj
**objPtrPtr
= clientData
;
1358 Jim_DecrRefCount(interp
, *objPtrPtr
);
1362 static int JimAioFileEventHandler(Jim_Interp
*interp
, void *clientData
, int mask
)
1364 Jim_Obj
**objPtrPtr
= clientData
;
1366 return Jim_EvalObjBackground(interp
, *objPtrPtr
);
1369 static int aio_eventinfo(Jim_Interp
*interp
, AioFile
* af
, unsigned mask
, Jim_Obj
**scriptHandlerObj
,
1370 int argc
, Jim_Obj
* const *argv
)
1373 /* Return current script */
1374 if (*scriptHandlerObj
) {
1375 Jim_SetResult(interp
, *scriptHandlerObj
);
1380 if (*scriptHandlerObj
) {
1381 /* Delete old handler */
1382 Jim_DeleteFileHandler(interp
, af
->fd
, mask
);
1385 /* Now possibly add the new script(s) */
1386 if (Jim_Length(argv
[0]) == 0) {
1387 /* Empty script, so done */
1391 /* A new script to add */
1392 Jim_IncrRefCount(argv
[0]);
1393 *scriptHandlerObj
= argv
[0];
1395 Jim_CreateFileHandler(interp
, af
->fd
, mask
,
1396 JimAioFileEventHandler
, scriptHandlerObj
, JimAioFileEventFinalizer
);
1401 static int aio_cmd_readable(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1403 AioFile
*af
= Jim_CmdPrivData(interp
);
1405 return aio_eventinfo(interp
, af
, JIM_EVENT_READABLE
, &af
->rEvent
, argc
, argv
);
1408 static int aio_cmd_writable(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1410 AioFile
*af
= Jim_CmdPrivData(interp
);
1412 return aio_eventinfo(interp
, af
, JIM_EVENT_WRITABLE
, &af
->wEvent
, argc
, argv
);
1415 static int aio_cmd_onexception(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1417 AioFile
*af
= Jim_CmdPrivData(interp
);
1419 return aio_eventinfo(interp
, af
, JIM_EVENT_EXCEPTION
, &af
->eEvent
, argc
, argv
);
1423 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
1424 static int aio_cmd_ssl(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1426 AioFile
*af
= Jim_CmdPrivData(interp
);
1430 const char *sni
= NULL
;
1433 static const char * const options
[] = { "-server", "-sni", NULL
};
1434 enum { OPT_SERVER
, OPT_SNI
};
1437 if (Jim_GetEnum(interp
, argv
[2], options
, &option
, NULL
, JIM_ERRMSG
) != JIM_OK
) {
1442 if (argc
!= 4 && argc
!= 5) {
1452 sni
= Jim_String(argv
[3]);
1458 Jim_SetResultFormatted(interp
, "%#s: stream is already ssl", argv
[0]);
1462 ssl_ctx
= JimAioSslCtx(interp
);
1463 if (ssl_ctx
== NULL
) {
1467 ssl
= SSL_new(ssl_ctx
);
1472 SSL_set_cipher_list(ssl
, "ALL");
1474 if (SSL_set_fd(ssl
, fileno(af
->fp
)) == 0) {
1479 const char *certfile
= Jim_String(argv
[3]);
1480 const char *keyfile
= (argc
== 4) ? certfile
: Jim_String(argv
[4]);
1481 if (SSL_use_certificate_file(ssl
, certfile
, SSL_FILETYPE_PEM
) != 1) {
1484 if (SSL_use_PrivateKey_file(ssl
, keyfile
, SSL_FILETYPE_PEM
) != 1) {
1488 if (SSL_accept(ssl
) != 1) {
1494 /* Set server name indication if requested */
1495 SSL_set_tlsext_host_name(ssl
, sni
);
1497 if (SSL_connect(ssl
) != 1) {
1503 af
->fops
= &ssl_fops
;
1505 /* Set the command name as the result */
1506 Jim_SetResult(interp
, argv
[0]);
1514 Jim_SetResultString(interp
, ERR_error_string(ERR_get_error(), NULL
), -1);
1518 static int aio_cmd_verify(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1520 AioFile
*af
= Jim_CmdPrivData(interp
);
1523 if (!af
->fops
->verify
) {
1527 ret
= af
->fops
->verify(af
);
1528 if (ret
!= JIM_OK
) {
1529 if (JimCheckStreamError(interp
, af
) == JIM_OK
) {
1530 Jim_SetResultString(interp
, "failed to verify the connection authenticity", -1);
1535 #endif /* JIM_BOOTSTRAP */
1537 #if defined(HAVE_STRUCT_FLOCK) && !defined(JIM_BOOTSTRAP)
1538 static int aio_cmd_lock(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1540 AioFile
*af
= Jim_CmdPrivData(interp
);
1542 int lockmode
= F_SETLK
;
1545 if (!Jim_CompareStringImmediate(interp
, argv
[0], "-wait")) {
1548 lockmode
= F_SETLKW
;
1553 fl
.l_type
= F_WRLCK
;
1554 fl
.l_whence
= SEEK_SET
;
1556 switch (fcntl(af
->fd
, lockmode
, &fl
))
1559 Jim_SetResultInt(interp
, 1);
1562 if (errno
== EACCES
|| errno
== EAGAIN
)
1563 Jim_SetResultInt(interp
, 0);
1566 Jim_SetResultFormatted(interp
, "lock failed: %s",
1572 Jim_SetResultInt(interp
, 0);
1579 static int aio_cmd_unlock(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1581 AioFile
*af
= Jim_CmdPrivData(interp
);
1585 fl
.l_type
= F_UNLCK
;
1586 fl
.l_whence
= SEEK_SET
;
1588 Jim_SetResultInt(interp
, fcntl(af
->fd
, F_SETLK
, &fl
) == 0);
1591 #endif /* JIM_BOOTSTRAP */
1593 #if defined(HAVE_TERMIOS_H) && !defined(JIM_BOOTSTRAP)
1594 static int aio_cmd_tty(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1596 AioFile
*af
= Jim_CmdPrivData(interp
);
1597 Jim_Obj
*dictObjPtr
;
1601 /* get the current settings as a dictionary */
1602 dictObjPtr
= Jim_GetTtySettings(interp
, af
->fd
);
1603 if (dictObjPtr
== NULL
) {
1604 JimAioSetError(interp
, NULL
);
1607 Jim_SetResult(interp
, dictObjPtr
);
1612 /* Convert name value arguments to a dictionary */
1613 dictObjPtr
= Jim_NewListObj(interp
, argv
, argc
);
1616 /* The settings are already given as a list */
1617 dictObjPtr
= argv
[0];
1619 Jim_IncrRefCount(dictObjPtr
);
1621 if (Jim_ListLength(interp
, dictObjPtr
) % 2) {
1622 /* Must be a valid dictionary */
1623 Jim_DecrRefCount(interp
, dictObjPtr
);
1627 ret
= Jim_SetTtySettings(interp
, af
->fd
, dictObjPtr
);
1629 JimAioSetError(interp
, NULL
);
1632 Jim_DecrRefCount(interp
, dictObjPtr
);
1636 #endif /* JIM_BOOTSTRAP */
1638 static const jim_subcmd_type aio_command_table
[] = {
1640 "?-nonewline|-pending|len?",
1644 /* Description: Read and return bytes from the stream. To eof if no len. */
1651 /* Description: Copy up to 'size' bytes to the given filehandle, or to eof if no size. */
1658 /* Description: Internal command to return the underlying file descriptor. */
1665 /* Description: Read one line and return it or store it in the var */
1672 /* Description: Write the string, with newline unless -nonewline */
1679 /* Description: Is the file descriptor a tty? */
1681 #if defined(HAVE_SOCKETS) && !defined(JIM_BOOTSTRAP)
1687 /* Description: Receive up to 'len' bytes on the socket. Sets 'addrvar' with receive address, if set */
1694 /* Description: Send 'str' to the given address (dgram only) */
1701 /* Description: Server socket only: Accept a connection and return stream */
1708 /* Description: Set the listen backlog for server socket */
1715 /* Description: Return a dictionary of sockopts, or set the value of a sockopt */
1722 /* Description: Returns the local address of the socket, if any */
1729 /* Description: Returns the remote address of the socket, if any */
1731 #endif /* JIM_BOOTSTRAP */
1737 /* Description: Flush the stream */
1744 /* Description: Returns 1 if stream is at eof */
1751 JIM_MODFLAG_FULLARGV
,
1752 /* Description: Closes the stream. */
1755 "offset ?start|current|end",
1759 /* Description: Seeks in the stream (default 'current') */
1766 /* Description: Returns the current seek position */
1773 /* Description: Returns the original filename */
1781 /* Description: Set O_NDELAY (if arg). Returns current/new setting. */
1790 /* Description: Flush and fsync() the stream */
1798 /* Description: Sets buffering */
1800 #ifdef jim_ext_eventloop
1802 "?readable-script?",
1806 /* Description: Returns script, or invoke readable-script when readable, {} to remove */
1809 "?writable-script?",
1813 /* Description: Returns script, or invoke writable-script when writable, {} to remove */
1816 "?exception-script?",
1817 aio_cmd_onexception
,
1820 /* Description: Returns script, or invoke exception-script when oob data, {} to remove */
1823 #if !defined(JIM_BOOTSTRAP)
1824 #if defined(JIM_SSL)
1826 "?-server cert ?priv?|-sni servername?",
1830 JIM_MODFLAG_FULLARGV
1831 /* Description: Wraps a stream socket with SSL/TLS and returns a new channel */
1838 /* Description: Verifies the certificate of a SSL/TLS channel */
1841 #if defined(HAVE_STRUCT_FLOCK)
1847 /* Description: Attempt to get a lock, possibly waiting */
1854 /* Description: Relase a lock. */
1857 #if defined(HAVE_TERMIOS_H)
1859 "?baud rate? ?data bits? ?stop bits? ?parity even|odd|none? ?handshake xonxoff|rtscts|none? ?input raw|cooked? ?output raw|cooked? ?echo 0|1? ?vmin n? ?vtime n?",
1863 /* Description: Get or set tty settings - valid only on a tty */
1866 #endif /* JIM_BOOTSTRAP */
1870 static int JimAioSubCmdProc(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1872 return Jim_CallSubCmd(interp
, Jim_ParseSubCmd(interp
, aio_command_table
, argc
, argv
), argc
, argv
);
1875 static int JimAioOpenCommand(Jim_Interp
*interp
, int argc
,
1876 Jim_Obj
*const *argv
)
1880 if (argc
!= 2 && argc
!= 3) {
1881 Jim_WrongNumArgs(interp
, 1, argv
, "filename ?mode?");
1885 mode
= (argc
== 3) ? Jim_String(argv
[2]) : "r";
1887 #ifdef jim_ext_tclcompat
1889 const char *filename
= Jim_String(argv
[1]);
1891 /* If the filename starts with '|', use popen instead */
1892 if (*filename
== '|') {
1893 Jim_Obj
*evalObj
[3];
1895 evalObj
[0] = Jim_NewStringObj(interp
, "::popen", -1);
1896 evalObj
[1] = Jim_NewStringObj(interp
, filename
+ 1, -1);
1897 evalObj
[2] = Jim_NewStringObj(interp
, mode
, -1);
1899 return Jim_EvalObjVector(interp
, 3, evalObj
);
1903 return JimMakeChannel(interp
, NULL
, -1, argv
[1], "aio.handle%ld", 0, mode
, 0) ? JIM_OK
: JIM_ERR
;
1906 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
1907 static void JimAioSslContextDelProc(struct Jim_Interp
*interp
, void *privData
)
1909 SSL_CTX_free((SSL_CTX
*)privData
);
1913 #ifdef USE_TLSv1_2_method
1914 #define TLS_method TLSv1_2_method
1917 static SSL_CTX
*JimAioSslCtx(Jim_Interp
*interp
)
1919 SSL_CTX
*ssl_ctx
= (SSL_CTX
*)Jim_GetAssocData(interp
, "ssl_ctx");
1920 if (ssl_ctx
== NULL
) {
1921 SSL_load_error_strings();
1923 ssl_ctx
= SSL_CTX_new(TLS_method());
1924 if (ssl_ctx
&& SSL_CTX_set_default_verify_paths(ssl_ctx
)) {
1925 SSL_CTX_set_verify(ssl_ctx
, SSL_VERIFY_NONE
, NULL
);
1926 Jim_SetAssocData(interp
, "ssl_ctx", JimAioSslContextDelProc
, ssl_ctx
);
1928 Jim_SetResultString(interp
, ERR_error_string(ERR_get_error(), NULL
), -1);
1933 #endif /* JIM_BOOTSTRAP */
1936 * Creates a channel for fh/fd/filename.
1938 * If fh is not NULL, uses that as the channel (and sets AIO_KEEPOPEN).
1939 * Otherwise, if fd is >= 0, uses that as the channel.
1940 * Otherwise opens 'filename' with mode 'mode'.
1942 * hdlfmt is a sprintf format for the filehandle. Anything with %ld at the end will do.
1943 * mode is used for open or fdopen.
1945 * Creates the command and sets the name as the current result.
1946 * Returns the AioFile pointer on sucess or NULL on failure.
1948 static AioFile
*JimMakeChannel(Jim_Interp
*interp
, FILE *fh
, int fd
, Jim_Obj
*filename
,
1949 const char *hdlfmt
, int family
, const char *mode
, int flags
)
1952 char buf
[AIO_CMD_LEN
];
1954 snprintf(buf
, sizeof(buf
), hdlfmt
, Jim_GetId(interp
));
1956 filename
= Jim_NewStringObj(interp
, buf
, -1);
1959 Jim_IncrRefCount(filename
);
1964 fh
= fdopen(fd
, mode
);
1968 fh
= fopen(Jim_String(filename
), mode
);
1971 JimAioSetError(interp
, filename
);
1977 Jim_DecrRefCount(interp
, filename
);
1982 /* Create the file command */
1983 af
= Jim_Alloc(sizeof(*af
));
1984 memset(af
, 0, sizeof(*af
));
1986 af
->filename
= filename
;
1989 af
->fd
= fileno(fh
);
1991 if ((flags
& AIO_KEEPOPEN
) == 0) {
1992 (void)fcntl(af
->fd
, F_SETFD
, FD_CLOEXEC
);
1996 af
->addr_family
= family
;
1997 af
->fops
= &stdio_fops
;
2000 Jim_CreateCommand(interp
, buf
, JimAioSubCmdProc
, af
, JimAioDelProc
);
2002 /* Note that the command must use the global namespace, even if
2003 * the current namespace is something different
2005 Jim_SetResult(interp
, Jim_MakeGlobalNamespaceName(interp
, Jim_NewStringObj(interp
, buf
, -1)));
2010 #if defined(HAVE_PIPE) || (defined(HAVE_SOCKETPAIR) && UNIX_SOCKETS) || defined(HAVE_OPENPTY)
2012 * Create a pair of channels. e.g. from pipe() or socketpair()
2014 static int JimMakeChannelPair(Jim_Interp
*interp
, int p
[2], Jim_Obj
*filename
,
2015 const char *hdlfmt
, int family
, const char * const mode
[2])
2017 if (JimMakeChannel(interp
, NULL
, p
[0], filename
, hdlfmt
, family
, mode
[0], 0)) {
2018 Jim_Obj
*objPtr
= Jim_NewListObj(interp
, NULL
, 0);
2019 Jim_ListAppendElement(interp
, objPtr
, Jim_GetResult(interp
));
2020 if (JimMakeChannel(interp
, NULL
, p
[1], filename
, hdlfmt
, family
, mode
[1], 0)) {
2021 Jim_ListAppendElement(interp
, objPtr
, Jim_GetResult(interp
));
2022 Jim_SetResult(interp
, objPtr
);
2027 /* Can only be here if fdopen() failed */
2030 JimAioSetError(interp
, NULL
);
2036 static int JimAioPipeCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
2039 static const char * const mode
[2] = { "r", "w" };
2042 Jim_WrongNumArgs(interp
, 1, argv
, "");
2047 JimAioSetError(interp
, NULL
);
2051 return JimMakeChannelPair(interp
, p
, argv
[0], "aio.pipe%ld", 0, mode
);
2056 static int JimAioOpenPtyCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
2059 static const char * const mode
[2] = { "r+", "w+" };
2062 Jim_WrongNumArgs(interp
, 1, argv
, "");
2066 if (openpty(&p
[0], &p
[1], NULL
, NULL
, NULL
) != 0) {
2067 JimAioSetError(interp
, NULL
);
2071 return JimMakeChannelPair(interp
, p
, argv
[0], "aio.pty%ld", 0, mode
);
2075 #if defined(HAVE_SOCKETS) && !defined(JIM_BOOTSTRAP)
2077 static int JimAioSockCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
2079 const char *socktypes
[] = {
2083 "unix.dgram.server",
2098 SOCK_UNIX_DGRAM_SERVER
,
2104 SOCK_STREAM_SOCKETPAIR
,
2109 const char *addr
= NULL
;
2110 const char *bind_addr
= NULL
;
2111 const char *connect_addr
= NULL
;
2112 union sockaddr_any sa
;
2117 int family
= PF_INET
;
2118 int type
= SOCK_STREAM
;
2119 Jim_Obj
*argv0
= argv
[0];
2122 if (argc
> 1 && Jim_CompareStringImmediate(interp
, argv
[1], "-ipv6")) {
2124 Jim_SetResultString(interp
, "ipv6 not supported", -1);
2135 Jim_WrongNumArgs(interp
, 1, &argv0
, "?-ipv6? type ?address?");
2139 if (Jim_GetEnum(interp
, argv
[1], socktypes
, &socktype
, "socket type", JIM_ERRMSG
) != JIM_OK
)
2140 return Jim_CheckShowCommands(interp
, argv
[1], socktypes
);
2142 Jim_SetEmptyResult(interp
);
2145 addr
= Jim_String(argv
[2]);
2148 #if defined(HAVE_SOCKETPAIR) && UNIX_SOCKETS
2149 if (socktype
== SOCK_STREAM_SOCKETPAIR
) {
2151 static const char * const mode
[2] = { "r+", "r+" };
2157 if (socketpair(PF_UNIX
, SOCK_STREAM
, 0, p
) < 0) {
2158 JimAioSetError(interp
, NULL
);
2161 return JimMakeChannelPair(interp
, p
, argv
[1], "aio.sockpair%ld", PF_UNIX
, mode
);
2165 #if defined(HAVE_PIPE)
2166 if (socktype
== SOCK_STREAM_PIPE
) {
2170 return JimAioPipeCommand(interp
, 1, &argv
[1]);
2174 /* Now all these socket types are very similar */
2176 case SOCK_DGRAM_CLIENT
:
2177 connect_addr
= addr
;
2181 case SOCK_STREAM_CLIENT
:
2185 connect_addr
= addr
;
2188 case SOCK_STREAM_SERVER
:
2197 case SOCK_DGRAM_SERVER
:
2211 connect_addr
= addr
;
2215 case SOCK_UNIX_DGRAM
:
2216 connect_addr
= addr
;
2219 /* A dgram unix domain socket client needs to bind
2220 * to a temporary address to allow the server to
2224 int tmpfd
= Jim_MakeTempFile(interp
, NULL
, 1);
2229 /* This will be valid until a result is next set, which is long enough here */
2230 bind_addr
= Jim_String(Jim_GetResult(interp
));
2234 case SOCK_UNIX_SERVER
:
2243 case SOCK_UNIX_DGRAM_SERVER
:
2253 case SOCK_STREAM_PTY
:
2257 return JimAioOpenPtyCommand(interp
, 1, &argv
[1]);
2261 Jim_SetResultString(interp
, "Unsupported socket type", -1);
2265 /* Now do all the steps necessary for the given socket type */
2266 sock
= socket(family
, type
, 0);
2268 JimAioSetError(interp
, NULL
);
2272 if (JimParseSocketAddress(interp
, family
, bind_addr
, &sa
, &salen
) != JIM_OK
) {
2277 setsockopt(sock
, SOL_SOCKET
, SO_REUSEADDR
, (void *)&on
, sizeof(on
));
2279 if (bind(sock
, &sa
.sa
, salen
)) {
2280 Jim_SetResultFormatted(interp
, "%s: bind: %s", bind_addr
, strerror(errno
));
2286 if (JimParseSocketAddress(interp
, family
, connect_addr
, &sa
, &salen
) != JIM_OK
) {
2290 if (connect(sock
, &sa
.sa
, salen
)) {
2291 Jim_SetResultFormatted(interp
, "%s: connect: %s", connect_addr
, strerror(errno
));
2297 if (listen(sock
, 5)) {
2298 Jim_SetResultFormatted(interp
, "listen: %s", strerror(errno
));
2304 return JimMakeChannel(interp
, NULL
, sock
, argv
[1], "aio.sock%ld", family
, "r+", 0) ? JIM_OK
: JIM_ERR
;
2306 #endif /* JIM_BOOTSTRAP */
2308 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
2309 static int JimAioLoadSSLCertsCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
2314 Jim_WrongNumArgs(interp
, 1, argv
, "dir");
2318 ssl_ctx
= JimAioSslCtx(interp
);
2322 if (SSL_CTX_load_verify_locations(ssl_ctx
, NULL
, Jim_String(argv
[1])) == 1) {
2325 Jim_SetResultString(interp
, ERR_error_string(ERR_get_error(), NULL
), -1);
2328 #endif /* JIM_BOOTSTRAP */
2330 int Jim_aioInit(Jim_Interp
*interp
)
2332 if (Jim_PackageProvide(interp
, "aio", "1.0", JIM_ERRMSG
))
2335 #if defined(JIM_SSL)
2336 Jim_CreateCommand(interp
, "load_ssl_certs", JimAioLoadSSLCertsCommand
, NULL
, NULL
);
2339 Jim_CreateCommand(interp
, "open", JimAioOpenCommand
, NULL
, NULL
);
2341 Jim_CreateCommand(interp
, "socket", JimAioSockCommand
, NULL
, NULL
);
2344 Jim_CreateCommand(interp
, "pipe", JimAioPipeCommand
, NULL
, NULL
);
2347 /* Create filehandles for stdin, stdout and stderr */
2348 JimMakeChannel(interp
, stdin
, -1, NULL
, "stdin", 0, "r", AIO_KEEPOPEN
);
2349 JimMakeChannel(interp
, stdout
, -1, NULL
, "stdout", 0, "w", AIO_KEEPOPEN
);
2350 JimMakeChannel(interp
, stderr
, -1, NULL
, "stderr", 0, "w", AIO_KEEPOPEN
);