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3910 t_look(3NSL) should never return T_ERROR
*** 18,40 ****
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
!
! #pragma ident "%Z%%M% %I% %E% SMI"
! /* interface( label )
! provide alternate definitions for the I/O functions through global
! interfaces.
! */
#include "uucp.h"
#ifdef TLI
#include <tiuser.h>
char *t_alloc();
--- 18,40 ----
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
+ * Copyright 2014 Gary Mills
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
! /*
! * interface(label)
! * provide alternate definitions for the I/O functions through global
! * interfaces.
! */
#include "uucp.h"
#ifdef TLI
#include <tiuser.h>
char *t_alloc();
*** 59,69 ****
static int usetup(), uteardown();
GLOBAL ssize_t (*Read)() = read,
(*Write)() = write;
#if defined(__STDC__)
! GLOBAL int (*Ioctl)(int,int,...) = ioctl,
#else
GLOBAL int (*Ioctl)() = ioctl,
#endif
(*Setup)() = usetup,
(*Teardown)() = uteardown;
--- 59,69 ----
static int usetup(), uteardown();
GLOBAL ssize_t (*Read)() = read,
(*Write)() = write;
#if defined(__STDC__)
! GLOBAL int (*Ioctl)(int, int, ...) = ioctl,
#else
GLOBAL int (*Ioctl)() = ioctl,
#endif
(*Setup)() = usetup,
(*Teardown)() = uteardown;
*** 76,107 ****
#else
static int tioctl(), /* TLI i/o control */
#endif
tsetup(), /* TLI setup without streams module */
tssetup(), /* TLI setup with streams module */
! tteardown(); /* TLI teardown, works with either setup
! */
#endif /* TLI */
! /* The IN_label in Interface[] imply different caller routines:
! e.g. tlicall().
! If so, the names here and the names in callers.c must match.
! */
static
! struct Interface {
char *IN_label; /* interface name */
ssize_t (*IN_read)(); /* read function */
ssize_t (*IN_write)(); /* write function */
#ifdef __STDC__
! int (*IN_ioctl)(int,int,...);
#else
int (*IN_ioctl)(); /* ioctl function */
#endif
! int (*IN_setup)(); /* setup function, called before first
! i/o operation */
! int (*IN_teardown)(); /* teardown function, called after last
! i/o operation */
} Interface[] = {
/* vanilla UNIX */
{ "UNIX", read, write, ioctl, usetup, uteardown },
#ifdef TCP
/* TCP over sockets or UNET */
--- 76,107 ----
#else
static int tioctl(), /* TLI i/o control */
#endif
tsetup(), /* TLI setup without streams module */
tssetup(), /* TLI setup with streams module */
! tteardown(); /* TLI teardown, works with either setup */
#endif /* TLI */
! /*
! * The IN_label in Interface[] imply different caller routines:
! * e.g. tlicall().
! * If so, the names here and the names in callers.c must match.
! */
static
! struct Interface {
char *IN_label; /* interface name */
ssize_t (*IN_read)(); /* read function */
ssize_t (*IN_write)(); /* write function */
#ifdef __STDC__
! int (*IN_ioctl)(int, int, ...);
#else
int (*IN_ioctl)(); /* ioctl function */
#endif
! int (*IN_setup)(); /* setup function, called before */
! /* first i/o operation */
! int (*IN_teardown)(); /* teardown function, called after */
! /* last i/o operation */
} Interface[] = {
/* vanilla UNIX */
{ "UNIX", read, write, ioctl, usetup, uteardown },
#ifdef TCP
/* TCP over sockets or UNET */
*** 141,185 ****
interface(label)
char *label;
{
register int i;
! for ( i = 0; Interface[i].IN_label; ++i ) {
! if( !strcmp( Interface[i].IN_label, label ) ) {
Read = Interface[i].IN_read;
Write = Interface[i].IN_write;
Ioctl = Interface[i].IN_ioctl;
Setup = Interface[i].IN_setup;
Teardown = Interface[i].IN_teardown;
DEBUG(5, "set interface %s\n", label);
! return( 0 );
}
}
! return( FAIL );
}
/*
* usetup - vanilla unix setup routine
*/
static int
! usetup( role, fdreadp, fdwritep )
int *fdreadp, *fdwritep;
{
! if ( role == SLAVE )
{
*fdreadp = 0;
*fdwritep = 1;
/* 2 has been re-opened to RMTDEBUG in main() */
}
! return(SUCCESS);
}
/*
* uteardown - vanilla unix teardown routine
*/
static int
! uteardown( role, fdread, fdwrite )
{
int ret;
char *ttyn;
if (role == SLAVE) {
--- 141,185 ----
interface(label)
char *label;
{
register int i;
! for (i = 0; Interface[i].IN_label; ++i) {
! if (0 == strcmp(Interface[i].IN_label, label)) {
Read = Interface[i].IN_read;
Write = Interface[i].IN_write;
Ioctl = Interface[i].IN_ioctl;
Setup = Interface[i].IN_setup;
Teardown = Interface[i].IN_teardown;
DEBUG(5, "set interface %s\n", label);
! return (0);
}
}
! return (FAIL);
}
/*
* usetup - vanilla unix setup routine
*/
static int
! usetup(role, fdreadp, fdwritep)
int *fdreadp, *fdwritep;
{
! if (role == SLAVE)
{
*fdreadp = 0;
*fdwritep = 1;
/* 2 has been re-opened to RMTDEBUG in main() */
}
! return (SUCCESS);
}
/*
* uteardown - vanilla unix teardown routine
*/
static int
! uteardown(role, fdread, fdwrite)
{
int ret;
char *ttyn;
if (role == SLAVE) {
*** 193,203 ****
if (ttyn != NULL && Dev_mode != 0)
chmod(ttyn, Dev_mode); /* can fail, but who cares? */
(void) close(fdread);
(void) close(fdwrite);
}
! return(SUCCESS);
}
#ifdef DATAKIT
/*
* dksetup - DATAKIT setup routine
--- 193,203 ----
if (ttyn != NULL && Dev_mode != 0)
chmod(ttyn, Dev_mode); /* can fail, but who cares? */
(void) close(fdread);
(void) close(fdwrite);
}
! return (SUCCESS);
}
#ifdef DATAKIT
/*
* dksetup - DATAKIT setup routine
*** 204,258 ****
*
* Put line in block mode.
*/
static int
! dksetup (role, fdreadp, fdwritep)
int role;
! int * fdreadp;
! int * fdwritep;
{
static short dkrmode[3] = { DKR_BLOCK | DKR_TIME, 0, 0 };
int ret;
(void) usetup(role, fdreadp, fdwritep);
! if((ret = (*Ioctl)(*fdreadp, DIOCRMODE, dkrmode)) < 0) {
DEBUG(4, "dksetup: failed to set block mode. ret=%d,\n", ret);
DEBUG(4, "read fd=%d, ", *fdreadp);
DEBUG(4, "errno=%d\n", errno);
! return(FAIL);
}
! return(SUCCESS);
}
/*
* dkteardown - DATAKIT teardown routine
*/
static int
! dkteardown( role, fdread, fdwrite )
int role, fdread, fdwrite;
{
char *ttyn;
! if ( role == MASTER ) {
ttyn = ttyname(fdread);
! if ( ttyn != NULL && Dev_mode != 0 )
chmod(ttyn, Dev_mode); /* can fail, but who cares? */
}
/* must flush fd's for datakit */
/* else close can hang */
! if ( ioctl(fdread, DIOCFLUSH, NULL) != 0 )
! DEBUG(4, "dkteardown: DIOCFLUSH of input fd %d failed", fdread);
! if ( ioctl(fdwrite, DIOCFLUSH, NULL) != 0 )
! DEBUG(4, "dkteardown: DIOCFLUSH of output fd %d failed", fdwrite);
! (void)close(fdread);
! (void)close(fdwrite);
! return(SUCCESS);
}
#endif /* DATAKIT */
#ifdef TLI
--- 204,260 ----
*
* Put line in block mode.
*/
static int
! dksetup(role, fdreadp, fdwritep)
int role;
! int *fdreadp;
! int *fdwritep;
{
static short dkrmode[3] = { DKR_BLOCK | DKR_TIME, 0, 0 };
int ret;
(void) usetup(role, fdreadp, fdwritep);
! if ((ret = (*Ioctl)(*fdreadp, DIOCRMODE, dkrmode)) < 0) {
DEBUG(4, "dksetup: failed to set block mode. ret=%d,\n", ret);
DEBUG(4, "read fd=%d, ", *fdreadp);
DEBUG(4, "errno=%d\n", errno);
! return (FAIL);
}
! return (SUCCESS);
}
/*
* dkteardown - DATAKIT teardown routine
*/
static int
! dkteardown(role, fdread, fdwrite)
int role, fdread, fdwrite;
{
char *ttyn;
! if (role == MASTER) {
ttyn = ttyname(fdread);
! if (ttyn != NULL && Dev_mode != 0)
chmod(ttyn, Dev_mode); /* can fail, but who cares? */
}
/* must flush fd's for datakit */
/* else close can hang */
! if (ioctl(fdread, DIOCFLUSH, NULL) != 0)
! DEBUG(4, "dkteardown: DIOCFLUSH of input fd %d failed",
! fdread);
! if (ioctl(fdwrite, DIOCFLUSH, NULL) != 0)
! DEBUG(4, "dkteardown: DIOCFLUSH of output fd %d failed",
! fdwrite);
! (void) close(fdread);
! (void) close(fdwrite);
! return (SUCCESS);
}
#endif /* DATAKIT */
#ifdef TLI
*** 265,275 ****
char *buf;
unsigned nbytes;
{
int rcvflags;
! return((ssize_t)t_rcv(fd, buf, nbytes, &rcvflags));
}
/*
* twrite - tli write routine
*/
--- 267,277 ----
char *buf;
unsigned nbytes;
{
int rcvflags;
! return ((ssize_t)t_rcv(fd, buf, nbytes, &rcvflags));
}
/*
* twrite - tli write routine
*/
*** 282,324 ****
{
register int i, ret;
static int n_writ, got_info;
static struct t_info info;
! if ( got_info == 0 ) {
! if ( t_getinfo(fd, &info) != 0 ) {
tfaillog(fd, "twrite: t_getinfo\n");
! return(FAIL);
}
got_info = 1;
}
/* on every N_CHECKth call, check that are still in DATAXFER state */
! if ( ++n_writ == N_CHECK ) {
n_writ = 0;
! if ( t_getstate(fd) != T_DATAXFER )
! return(FAIL);
}
! if ( info.tsdu <= 0 || nbytes <= info.tsdu )
! return(t_snd(fd, buf, nbytes, NULL));
/* if get here, then there is a limit on transmit size */
/* (info.tsdu > 0) and buf exceeds it */
i = ret = 0;
! while ( nbytes >= info.tsdu ) {
! if ( (ret = t_snd(fd, &buf[i], info.tsdu, NULL)) != info.tsdu )
! return( ( ret >= 0 ? (i + ret) : ret ) );
i += info.tsdu;
nbytes -= info.tsdu;
}
! if ( nbytes != 0 ) {
! if ( (ret = t_snd(fd, &buf[i], nbytes, NULL)) != nbytes )
! return( (ssize_t)( ret >= 0 ? (i + ret) : ret ) );
i += nbytes;
}
! return((ssize_t)i);
}
/*
* tioctl - stub for tli ioctl routine
--- 284,326 ----
{
register int i, ret;
static int n_writ, got_info;
static struct t_info info;
! if (got_info == 0) {
! if (t_getinfo(fd, &info) != 0) {
tfaillog(fd, "twrite: t_getinfo\n");
! return (FAIL);
}
got_info = 1;
}
/* on every N_CHECKth call, check that are still in DATAXFER state */
! if (++n_writ == N_CHECK) {
n_writ = 0;
! if (t_getstate(fd) != T_DATAXFER)
! return (FAIL);
}
! if (info.tsdu <= 0 || nbytes <= info.tsdu)
! return (t_snd(fd, buf, nbytes, NULL));
/* if get here, then there is a limit on transmit size */
/* (info.tsdu > 0) and buf exceeds it */
i = ret = 0;
! while (nbytes >= info.tsdu) {
! if ((ret = t_snd(fd, &buf[i], info.tsdu, NULL)) != info.tsdu)
! return ((ret >= 0 ? (i + ret) : ret));
i += info.tsdu;
nbytes -= info.tsdu;
}
! if (nbytes != 0) {
! if ((ret = t_snd(fd, &buf[i], nbytes, NULL)) != nbytes)
! return ((ssize_t)(ret >= 0 ? (i + ret) : ret));
i += nbytes;
}
! return ((ssize_t)i);
}
/*
* tioctl - stub for tli ioctl routine
*** 330,397 ****
#else
tioctl(fd, request, arg)
int fd, request;
#endif
{
! return(SUCCESS);
}
/*
* tsetup - tli setup routine
* note blatant assumption that *fdreadp == *fdwritep == 0
*/
static int
! tsetup( role, fdreadp, fdwritep )
int *fdreadp, *fdwritep;
{
! if ( role == SLAVE ) {
*fdreadp = 0;
*fdwritep = 1;
/* 2 has been re-opened to RMTDEBUG in main() */
errno = t_errno = 0;
! if ( t_sync(*fdreadp) == -1 || t_sync(*fdwritep) == -1 ) {
tfaillog(*fdreadp, "tsetup: t_sync\n");
! return(FAIL);
}
}
! return(SUCCESS);
}
/*
* tteardown - tli shutdown routine
*/
/*ARGSUSED*/
static int
! tteardown( role, fdread, fdwrite )
{
! (void)t_unbind(fdread);
! (void)t_close(fdread);
! return(SUCCESS);
}
#ifdef TLIS
/*
* tssetup - tli, with streams module, setup routine
* note blatant assumption that *fdreadp == *fdwritep
*/
static int
! tssetup( role, fdreadp, fdwritep )
int role;
int *fdreadp;
int *fdwritep;
{
! if ( role == SLAVE ) {
*fdreadp = 0;
*fdwritep = 1;
/* 2 has been re-opened to RMTDEBUG in main() */
DEBUG(5, "tssetup: SLAVE mode: leaving ok\n%s", "");
! return(SUCCESS);
}
DEBUG(4, "tssetup: MASTER mode: leaving ok\n%s", "");
! return(SUCCESS);
}
/*
* Report why a TLI call failed.
*/
--- 332,399 ----
#else
tioctl(fd, request, arg)
int fd, request;
#endif
{
! return (SUCCESS);
}
/*
* tsetup - tli setup routine
* note blatant assumption that *fdreadp == *fdwritep == 0
*/
static int
! tsetup(role, fdreadp, fdwritep)
int *fdreadp, *fdwritep;
{
! if (role == SLAVE) {
*fdreadp = 0;
*fdwritep = 1;
/* 2 has been re-opened to RMTDEBUG in main() */
errno = t_errno = 0;
! if (t_sync(*fdreadp) == -1 || t_sync(*fdwritep) == -1) {
tfaillog(*fdreadp, "tsetup: t_sync\n");
! return (FAIL);
}
}
! return (SUCCESS);
}
/*
* tteardown - tli shutdown routine
*/
/*ARGSUSED*/
static int
! tteardown(role, fdread, fdwrite)
{
! (void) t_unbind(fdread);
! (void) t_close(fdread);
! return (SUCCESS);
}
#ifdef TLIS
/*
* tssetup - tli, with streams module, setup routine
* note blatant assumption that *fdreadp == *fdwritep
*/
static int
! tssetup(role, fdreadp, fdwritep)
int role;
int *fdreadp;
int *fdwritep;
{
! if (role == SLAVE) {
*fdreadp = 0;
*fdwritep = 1;
/* 2 has been re-opened to RMTDEBUG in main() */
DEBUG(5, "tssetup: SLAVE mode: leaving ok\n%s", "");
! return (SUCCESS);
}
DEBUG(4, "tssetup: MASTER mode: leaving ok\n%s", "");
! return (SUCCESS);
}
/*
* Report why a TLI call failed.
*/
*** 401,417 ****
char *s;
{
char fmt[ BUFSIZ ];
if (0 < t_errno && t_errno < t_nerr) {
! sprintf( fmt, "%s: %%s\n", s );
DEBUG(5, fmt, t_errlist[t_errno]);
logent(s, t_errlist[t_errno]);
! if ( t_errno == TSYSERR ) {
strcpy(fmt, "tlicall: system error: %s\n");
DEBUG(5, fmt, strerror(errno));
! } else if ( t_errno == TLOOK ) {
show_tlook(fd);
}
} else {
sprintf(fmt, "unknown tli error %d", t_errno);
logent(s, fmt);
--- 403,419 ----
char *s;
{
char fmt[ BUFSIZ ];
if (0 < t_errno && t_errno < t_nerr) {
! sprintf(fmt, "%s: %%s\n", s);
DEBUG(5, fmt, t_errlist[t_errno]);
logent(s, t_errlist[t_errno]);
! if (t_errno == TSYSERR) {
strcpy(fmt, "tlicall: system error: %s\n");
DEBUG(5, fmt, strerror(errno));
! } else if (t_errno == TLOOK) {
show_tlook(fd);
}
} else {
sprintf(fmt, "unknown tli error %d", t_errno);
logent(s, fmt);
*** 418,428 ****
sprintf(fmt, "%s: unknown tli error %d", s, t_errno);
DEBUG(5, fmt, 0);
sprintf(fmt, "%s: %%s\n", s);
DEBUG(5, fmt, strerror(errno));
}
- return;
}
GLOBAL void
show_tlook(fd)
int fd;
--- 420,429 ----
*** 432,484 ****
extern int t_errno;
/*
* Find out the current state of the interface.
*/
errno = t_errno = 0;
! switch( reason = t_getstate(fd) ) {
case T_UNBND: msg = "T_UNBIND"; break;
case T_IDLE: msg = "T_IDLE"; break;
case T_OUTCON: msg = "T_OUTCON"; break;
case T_INCON: msg = "T_INCON"; break;
case T_DATAXFER: msg = "T_DATAXFER"; break;
case T_OUTREL: msg = "T_OUTREL"; break;
case T_INREL: msg = "T_INREL"; break;
default: msg = NULL; break;
}
! if( msg == NULL )
return;
DEBUG(5, "state is %s", msg);
! switch( reason = t_look(fd) ) {
case -1: msg = ""; break;
case 0: msg = "NO ERROR"; break;
case T_LISTEN: msg = "T_LISTEN"; break;
case T_CONNECT: msg = "T_CONNECT"; break;
case T_DATA: msg = "T_DATA"; break;
case T_EXDATA: msg = "T_EXDATA"; break;
case T_DISCONNECT: msg = "T_DISCONNECT"; break;
case T_ORDREL: msg = "T_ORDREL"; break;
- case T_ERROR: msg = "T_ERROR"; break;
case T_UDERR: msg = "T_UDERR"; break;
default: msg = "UNKNOWN ERROR"; break;
}
DEBUG(4, " reason is %s\n", msg);
! if ( reason == T_DISCONNECT )
{
struct t_discon *dropped;
! if ( ((dropped =
! (struct t_discon *)t_alloc(fd, T_DIS, T_ALL)) == 0)
! || (t_rcvdis(fd, dropped) == -1 )) {
if (dropped)
t_free((char *)dropped, T_DIS);
return;
}
DEBUG(5, "disconnect reason #%d\n", dropped->reason);
t_free((char *)dropped, T_DIS);
}
- return;
}
#endif /* TLIS */
#endif /* TLI */
--- 433,483 ----
extern int t_errno;
/*
* Find out the current state of the interface.
*/
errno = t_errno = 0;
! switch (reason = t_getstate(fd)) {
case T_UNBND: msg = "T_UNBIND"; break;
case T_IDLE: msg = "T_IDLE"; break;
case T_OUTCON: msg = "T_OUTCON"; break;
case T_INCON: msg = "T_INCON"; break;
case T_DATAXFER: msg = "T_DATAXFER"; break;
case T_OUTREL: msg = "T_OUTREL"; break;
case T_INREL: msg = "T_INREL"; break;
default: msg = NULL; break;
}
! if (msg == NULL)
return;
DEBUG(5, "state is %s", msg);
! switch (reason = t_look(fd)) {
case -1: msg = ""; break;
case 0: msg = "NO ERROR"; break;
case T_LISTEN: msg = "T_LISTEN"; break;
case T_CONNECT: msg = "T_CONNECT"; break;
case T_DATA: msg = "T_DATA"; break;
case T_EXDATA: msg = "T_EXDATA"; break;
case T_DISCONNECT: msg = "T_DISCONNECT"; break;
case T_ORDREL: msg = "T_ORDREL"; break;
case T_UDERR: msg = "T_UDERR"; break;
default: msg = "UNKNOWN ERROR"; break;
}
DEBUG(4, " reason is %s\n", msg);
! if (reason == T_DISCONNECT)
{
struct t_discon *dropped;
! if (((dropped =
! (struct t_discon *)t_alloc(fd, T_DIS, T_ALL)) == 0) ||
! (t_rcvdis(fd, dropped) == -1)) {
if (dropped)
t_free((char *)dropped, T_DIS);
return;
}
DEBUG(5, "disconnect reason #%d\n", dropped->reason);
t_free((char *)dropped, T_DIS);
}
}
#endif /* TLIS */
#endif /* TLI */