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fe747016d1
deb-mbse/mbcico/binkp.c
Michiel Broek 2e58d4339a Fixed several small valgrind detected errors
2003-12-16 21:50:32 +00:00

1633 lines
40 KiB
C
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/*****************************************************************************
*
* $Id$
* Purpose .................: Fidonet binkp protocol
* Binkp protocol copyright : Dima Maloff.
*
*****************************************************************************
* Copyright (C) 1997-2003
*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE BBS.
*
* This BBS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* MBSE BBS is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MBSE BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*****************************************************************************/
#include "../config.h"
#include "../lib/libs.h"
#include "../lib/structs.h"
#include "../lib/users.h"
#include "../lib/records.h"
#include "../lib/common.h"
#include "../lib/nodelist.h"
#include "../lib/dbnode.h"
#include "../lib/clcomm.h"
#include "../lib/mberrors.h"
#include "ttyio.h"
#include "session.h"
#include "statetbl.h"
#include "config.h"
#include "emsi.h"
#include "openfile.h"
#include "respfreq.h"
#include "filelist.h"
#include "opentcp.h"
#include "rdoptions.h"
#include "lutil.h"
#include "binkp.h"
#include "config.h"
#include "md5b.h"
#include "inbound.h"
/*
* Safe characters for binkp filenames, the rest will be escaped.
*/
#define BNKCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@&=+%$-_.!()#|"
static char rbuf[MAX_BLKSIZE + 1];
static char *bstate[] = {
(char *)"NUL", (char *)"ADR", (char *)"PWD", (char *)"FILE", (char *)"OK",
(char *)"EOB", (char *)"GOT", (char *)"ERR", (char *)"BSY", (char *)"GET",
(char *)"SKIP"
};
/*
* Local prototypes
*/
void binkp_init(void);
void binkp_deinit(void);
char *unix2binkp(char *);
char *binkp2unix(char *);
int binkp_expired(void);
void b_banner(void);
void b_nul(char *);
void fill_binkp_list(binkp_list **, file_list *, off_t);
void debug_binkp_list(binkp_list **);
void binkp_send_data(char *, int);
void binkp_send_control(int id, ...);
int binkp_recv_frame(char *, int *, int *);
void binkp_settimer(int);
int resync(off_t);
static int orgbinkp(void);
static int ansbinkp(void);
static int binkp_batch(file_list *);
extern char *tempinbound;
extern char *ttystat[];
extern int Loaded;
extern pid_t mypid;
extern struct sockaddr_in peeraddr;
extern int most_debug;
extern unsigned long sentbytes;
extern unsigned long rcvdbytes;
typedef enum {RxWaitFile, RxAcceptFile, RxReceData, RxWriteData, RxEndOfBatch, RxDone} RxType;
typedef enum {TxGetNextFile, TxTryRead, TxReadSend, TxWaitLastAck, TxDone} TxType;
typedef enum {InitTransfer, Switch, Receive, Transmit} TransferType;
typedef enum {Ok, Failure, Continue} TrType;
typedef enum {No, WeCan, WeWant, TheyWant, Active} OptionState;
static char *rxstate[] = { (char *)"RxWaitFile", (char *)"RxAccpetFile", (char *)"RxReceData",
(char *)"RxWriteData", (char *)"RxEndOfBatch", (char *)"RxDone" };
static char *txstate[] = { (char *)"TxGetNextFile", (char *)"TryRread", (char *)"ReadSent",
(char *)"WaitLastAck", (char *)"TxDone" };
//static char *tfstate[] = { (char *)"InitTransfer", (char *)"Switch", (char *)"Receive", (char *)"Transmit" };
//static char *trstate[] = { (char *)"Ok", (char *)"Failure", (char *)"Continue" };
static char *opstate[] = { (char *)"No", (char *)"WeCan", (char *)"WeWant", (char *)"TheyWant", (char *)"Active" };
//static int TfState;
static time_t Timer;
static int CRAMflag = FALSE; /* CRAM option flag */
static int Secure = FALSE; /* Secure session */
unsigned long nethold, mailhold; /* Trafic for the remote */
int transferred = FALSE; /* Anything transferred in batch */
int batchnr = 0;
unsigned char *MD_challenge = NULL; /* Received CRAM challenge data */
int ext_rand = 0;
struct binkprec {
int role; /* 1=orig, 0=answer */
int RxState; /* Receiver state */
int TxState; /* Transmitter state */
int DidSendGET; /* Did we send a GET command */
long rsize; /* Receiver filesize */
long roffs; /* Receiver offset */
char *rname; /* Receiver filename */
time_t rtime; /* Receiver filetime */
long lsize; /* Local filesize */
char *lname; /* Local filename */
time_t ltime; /* Local filetime */
long gsize; /* GET filesize */
long goffset; /* GET offset */
char *gname; /* GET filename */
time_t gtime; /* GET filetime */
int MBflag; /* MB option flag */
int Major; /* Remote major protocol version */
int Minor; /* Remote minor protocol version */
};
struct binkprec bp; /* Global structure */
void binkp_init(void)
{
bp.rname = calloc(512, sizeof(char));
bp.lname = calloc(512, sizeof(char));
bp.gname = calloc(512, sizeof(char));
bp.MBflag = WeCan;
bp.Major = 1;
bp.Minor = 0;
bp.DidSendGET = FALSE;
}
void binkp_deinit(void)
{
if (bp.rname)
free(bp.rname);
if (bp.lname)
free(bp.lname);
if (bp.gname)
free(bp.gname);
}
int binkp(int role)
{
int rc = MBERR_OK;
fa_list *eff_remote;
file_list *tosend = NULL, *request = NULL, *respond = NULL, *tmpfl;
char *nonhold_mail;
binkp_init();
most_debug = TRUE;
if (role == 1) {
if (orgbinkp()) {
rc = MBERR_SESSION_ERROR;
}
} else {
if (ansbinkp()) {
rc = MBERR_SESSION_ERROR;
}
}
if (rc) {
Syslog('!', "Binkp: session failed");
binkp_deinit();
return rc;
}
// if (localoptions & NOFREQS)
// session_flags &= ~SESSION_WAZOO;
// else
session_flags |= SESSION_WAZOO;
Syslog('b', "Binkp: WAZOO requests: %s", (session_flags & SESSION_WAZOO) ? "True":"False");
nonhold_mail = (char *)ALL_MAIL;
eff_remote = remote;
/*
* If remote doesn't have the 8.3 flag set, allow long filenames.
*/
if (!nodes.FNC)
remote_flags &= ~SESSION_FNC;
tosend = create_filelist(eff_remote, nonhold_mail, 0);
if (request != NULL) {
Syslog('b', "Binkp: inserting request list");
tmpfl = tosend;
tosend = request;
for (; request->next; request = request->next);
request->next = tmpfl;
request = NULL;
}
rc = binkp_batch(tosend);
tidy_filelist(tosend, (rc == 0));
tosend = NULL;
if ((rc == 0) && transferred && (bp.MBflag == Active)) {
/*
* Running Multiple Batch, only if last batch actually
* did transfer some data.
*/
respond = respond_wazoo();
/*
* Just create the tosend list again, there may be something
* ready again for this node.
*/
tosend = create_filelist(eff_remote, nonhold_mail, 0);
for (tmpfl = tosend; tmpfl->next; tmpfl = tmpfl->next);
tmpfl->next = respond;
rc = binkp_batch(tosend);
tmpfl->next = NULL;
}
Syslog('+', "Binkp: end transfer rc=%d", rc);
closetcp();
Syslog('b', "2nd batch or not, MB flag is %s", opstate[bp.MBflag]);
if (bp.MBflag != Active) {
/*
* In singe batch mode we process filerequests after the batch.
* The results will be put on hold for the calling node.
* This method is also known as "dual session mode".
*/
respond = respond_wazoo();
for (tmpfl = respond; tmpfl; tmpfl = tmpfl->next) {
if (strncmp(tmpfl->local, "/tmp", 4)) {
attach(*remote->addr, tmpfl->local, LEAVE, 'h');
Syslog('+', "Binkp: put on hold: %s", MBSE_SS(tmpfl->local));
} else {
file_mv(tmpfl->local, pktname(remote->addr, 'h'));
Syslog('+', "Binkp: new netmail: %s", pktname(remote->addr, 'h'));
}
}
}
tidy_filelist(request, (rc == 0));
tidy_filelist(tosend, (rc == 0));
tidy_filelist(respond, 0);
binkp_deinit();
rc = abs(rc);
return rc;
}
/*
* Translate string to binkp escaped string, unsafe characters are escaped.
*/
char *unix2binkp(char *fn)
{
static char buf[PATH_MAX];
char *p, *q;
memset(&buf, 0, sizeof(buf));
p = fn;
q = buf;
while (*p) {
if (strspn(p, (char *)BNKCHARS)) {
*q++ = *p;
*q = '\0';
} else {
if (nodes.WrongEscape) {
sprintf(q, "\\%2x", p[0]);
} else {
sprintf(q, "\\x%2x", p[0]);
}
}
while (*q)
q++;
p++;
}
*q = '\0';
return buf;
}
/*
* Translate escaped binkp string to normal string.
*/
char *binkp2unix(char *fn)
{
static char buf[PATH_MAX];
char *p, *q, hex[3];
int c;
memset(&buf, 0, sizeof(buf));
p = fn;
q = buf;
while (*p) {
if (p[0] == '\\') {
p++;
if (*p == '\\') {
/*
* A backslash is transmitted
*/
*q++ = '\\';
*q = '\0';
} else {
/*
* If remote sends \x0a method instead of \0a, eat the x character.
* Remotes should send the x character, But some (Argus and Irex) don't.
*/
if ((*p == 'x') || (*p == 'X'))
p++;
/*
* Decode hex characters
*/
hex[0] = *p++;
hex[1] = *p;
hex[2] = '\0';
sscanf(hex, "%2x", &c);
*q++ = c;
*q = '\0';
}
} else {
*q++ = *p;
*q = '\0';
}
p++;
}
*q = '\0';
return buf;
}
/*
* Transmit data frame
*/
void binkp_send_data(char *buf, int len)
{
unsigned short header = 0;
Syslog('B', "Binkp: send_data len=%d", len);
header = ((BINKP_DATA_BLOCK + len) & 0xffff);
PUTCHAR((header >> 8) & 0x00ff);
PUTCHAR(header & 0x00ff);
if (len)
PUT(buf, len);
FLUSHOUT();
binkp_settimer(BINKP_TIMEOUT);
}
/*
* Transmit control frame
*/
void binkp_send_control(int id,...)
{
va_list args;
char *fmt, *s;
binkp_frame frame;
static char buf[1024];
int sz;
va_start(args, id);
fmt = va_arg(args, char*);
if (fmt) {
vsprintf(buf, fmt, args);
sz = ((1 + strlen(buf)) & 0x7fff);
} else {
buf[0]='\0';
sz = 1;
}
Syslog('b', "Binkp: send_ctl %s \"%s\"", bstate[id], buf);
frame.header = ((BINKP_CONTROL_BLOCK + sz) & 0xffff);
frame.id = (char)id;
frame.data = buf;
s = (unsigned char *)malloc(sz + 2 + 1);
s[sz + 2] = '\0';
s[0] = ((frame.header >> 8)&0xff);
s[1] = (frame.header & 0xff);
s[2] = frame.id;
if (frame.data[0])
strncpy(s + 3, frame.data, sz-1);
PUT(s, sz+2);
FLUSHOUT();
free(s);
va_end(args);
binkp_settimer(BINKP_TIMEOUT);
}
/*
* This function is called two times if a partial file exists from openfile.
* 1. A partial file is detected, send a GET to the remote, set DidSendGET flag.
* 2. DidSendGET is set, return 0 and let openfile open the file in append mode.
*/
int resync(off_t off)
{
Syslog('b', "Binkp: resync(%d) DidSendGET=%s", off, bp.DidSendGET ?"TRUE":"FALSE");
if (!bp.DidSendGET) {
binkp_send_control(MM_GET, "%s %ld %ld %ld", bp.rname, bp.rsize, bp.rtime, off);
bp.DidSendGET = TRUE;
Syslog('+', "Binkp: already %lu bytes received, requested restart with offset", (unsigned long)off);
return -1; /* Signal openfile not to open the file */
}
bp.DidSendGET = FALSE;
return 0; /* Signal openfile to open the file in append mode */
}
/*
* Receive control frame
*/
int binkp_recv_frame(char *buf, int *len, int *cmd)
{
int b0, b1;
*len = *cmd = 0;
b0 = GETCHAR(BINKP_TIMEOUT);
if (tty_status)
goto to;
if (b0 & 0x80)
*cmd = 1;
b1 = GETCHAR(1);
if (tty_status)
goto to;
*len = (b0 & 0x7f) << 8;
*len += b1;
GET(buf, *len, BINKP_TIMEOUT / 2);
buf[*len] = '\0';
if (tty_status)
goto to;
to:
if (tty_status)
WriteError("Binkp: TCP receive error: %d %s", tty_status, ttystat[tty_status]);
return tty_status;
}
void binkp_settimer(int interval)
{
Timer = time((time_t*)NULL) + interval;
}
int binkp_expired(void)
{
time_t now;
now = time(NULL);
if (now >= Timer)
Syslog('+', "Binkp: timeout");
return (now >= Timer);
}
void b_banner(void)
{
time_t t;
binkp_send_control(MM_NUL,"SYS %s", CFG.bbs_name);
binkp_send_control(MM_NUL,"ZYZ %s", CFG.sysop_name);
binkp_send_control(MM_NUL,"LOC %s", CFG.location);
binkp_send_control(MM_NUL,"NDL %s", CFG.Flags);
t = time(NULL);
binkp_send_control(MM_NUL,"TIME %s", rfcdate(t));
binkp_send_control(MM_NUL,"VER mbcico/%s/%s-%s %s/%s", VERSION, OsName(), OsCPU(), PRTCLNAME, PRTCLVER);
if (strlen(CFG.Phone))
binkp_send_control(MM_NUL,"PHN %s", CFG.Phone);
if (strlen(CFG.comment))
binkp_send_control(MM_NUL,"OPM %s", CFG.comment);
}
void b_nul(char *msg)
{
char *p, *q;
if (strncmp(msg, "SYS ", 4) == 0) {
Syslog('+', "System : %s", msg+4);
strncpy(history.system_name, msg+4, 35);
} else if (strncmp(msg, "ZYZ ", 4) == 0) {
Syslog('+', "Sysop : %s", msg+4);
strncpy(history.sysop, msg+4, 35);
} else if (strncmp(msg, "LOC ", 4) == 0) {
Syslog('+', "Location: %s", msg+4);
strncpy(history.location, msg+4, 35);
} else if (strncmp(msg, "NDL ", 4) == 0)
Syslog('+', "Flags : %s", msg+4);
else if (strncmp(msg, "TIME ", 5) == 0)
Syslog('+', "Time : %s", msg+5);
else if (strncmp(msg, "VER ", 4) == 0) {
Syslog('+', "Uses : %s", msg+4);
if ((p = strstr(msg+4, PRTCLNAME "/")) && (q = strstr(p, "."))) {
bp.Major = atoi(p + 6);
bp.Minor = atoi(q + 1);
Syslog('b', "Remote protocol version %d.%d", bp.Major, bp.Minor);
/*
* Disable MB if protocol > 1.0 and MB was not yet active.
*/
if ((bp.MBflag != Active) && (((bp.Major * 10) + bp.Minor) > 10)) {
Syslog('b', "MBflag %s => No", opstate[bp.MBflag]);
bp.MBflag = No;
}
}
}
else if (strncmp(msg, "PHN ", 4) == 0)
Syslog('+', "Phone : %s", msg+4);
else if (strncmp(msg, "OPM ", 4) == 0)
Syslog('+', "Remark : %s", msg+4);
else if (strncmp(msg, "TRF ", 4) == 0)
Syslog('+', "Binkp: remote has %s mail/files for us", msg+4);
else if (strncmp(msg, "OPT ", 4) == 0) {
Syslog('+', "Options : %s", msg+4);
if (strstr(msg, (char *)"MB") != NULL) {
Syslog('b', "Remote requests MB, current state = %s", opstate[bp.MBflag]);
if ((bp.MBflag == WeCan) && (bp.Major == 1) && (bp.Minor == 0)) { /* Answering session and do binkp/1.0 */
bp.MBflag = TheyWant;
Syslog('b', "MBflag WeCan => TheyWant");
binkp_send_control(MM_NUL,"OPT MB");
Syslog('b', "MBflag TheyWant => Active");
bp.MBflag = Active;
} else if ((bp.MBflag == WeWant) && (bp.Major == 1) && (bp.Minor == 0)) { /* Originating session and do binkp/1.0 */
bp.MBflag = Active;
Syslog('b', "MBflag WeWant => Active");
} else {
Syslog('b', "MBflag is %s and received MB option", opstate[bp.MBflag]);
}
}
if (strstr(msg, (char *)"CRAM-MD5-") != NULL) { /* No SHA-1 support */
if (CFG.NoMD5) {
Syslog('+', "Binkp: Remote supports MD5, but it's turned off here");
} else {
if (MD_challenge)
free(MD_challenge);
MD_challenge = MD_getChallenge(msg, NULL);
}
}
} else
Syslog('+', "Binkp: M_NUL \"%s\"", msg);
}
/*
* Originate a binkp session
*/
SM_DECL(orgbinkp, (char *)"orgbinkp")
SM_STATES
ConnInit,
WaitConn,
SendPasswd,
WaitAddr,
AuthRemote,
IfSecure,
WaitOk,
Opts
SM_NAMES
(char *)"ConnInit",
(char *)"WaitConn",
(char *)"SendPasswd",
(char *)"WaitAddr",
(char *)"AuthRemote",
(char *)"IfSecure",
(char *)"WaitOk",
(char *)"Opts"
SM_EDECL
faddr *primary;
char *p, *q, *pwd;
int i, rc, bufl, cmd, dupe, SendPass = FALSE;
fa_list **tmp, *tmpa;
faddr *fa, ra;
SM_START(ConnInit)
SM_STATE(ConnInit)
SM_PROCEED(WaitConn)
SM_STATE(WaitConn)
Loaded = FALSE;
Syslog('+', "Binkp: node %s", ascfnode(remote->addr, 0x1f));
IsDoing("Connect binkp %s", ascfnode(remote->addr, 0xf));
/*
* Build options we want
*/
// p = xstrcpy((char *)"OPT");
// if ((noderecord(remote->addr)) && nodes.CRC32 && (bp.CRCflag == WeCan)) {
// p = xstrcat(p, (char *)" CRC");
// bp.CRCflag = WeWant;
// Syslog('b', "CRCflag WeCan => WeWant");
// }
// if (strcmp(p, (char *)"OPT"))
// binkp_send_control(MM_NUL, p);
// free(p);
b_banner();
/*
* Build a list of aka's to send, the primary aka first.
*/
ra.zone = remote->addr->zone;
ra.net = remote->addr->net;
ra.node = remote->addr->node;
ra.point = remote->addr->point;
primary = bestaka_s(remote->addr);
p = xstrcpy(ascfnode(primary, 0x1f));
/*
* Add all other aka's exept primary aka.
*/
for (i = 0; i < 40; i++)
if ((CFG.aka[i].zone) && (CFG.akavalid[i]) &&
((CFG.aka[i].zone != primary->zone) || (CFG.aka[i].net != primary->net) ||
(CFG.aka[i].node != primary->node) || (CFG.aka[i].point!= primary->point))) {
p = xstrcat(p, (char *)" ");
p = xstrcat(p, aka2str(CFG.aka[i]));
}
binkp_send_control(MM_ADR, "%s", p);
free(p);
tidy_faddr(primary);
SM_PROCEED(WaitAddr)
SM_STATE(WaitAddr)
for (;;) {
if ((rc = binkp_recv_frame(rbuf, &bufl, &cmd))) {
Syslog('!', "Binkp: error receiving remote info");
SM_ERROR;
}
if (cmd) {
if (rbuf[0] == MM_ADR) {
p = xstrcpy(&rbuf[1]);
tidy_falist(&remote);
remote = NULL;
tmp = &remote;
for (q = strtok(p, " "); q; q = strtok(NULL, " ")) {
if ((fa = parsefnode(q))) {
dupe = FALSE;
for (tmpa = remote; tmpa; tmpa = tmpa->next) {
if ((tmpa->addr->zone == fa->zone) && (tmpa->addr->net == fa->net) &&
(tmpa->addr->node == fa->node) && (tmpa->addr->point == fa->point) &&
(strcmp(tmpa->addr->domain, fa->domain) == 0)) {
dupe = TRUE;
Syslog('b', "Binkp: double address %s", ascfnode(tmpa->addr, 0x1f));
break;
}
}
if (!dupe) {
*tmp = (fa_list*)malloc(sizeof(fa_list));
(*tmp)->next = NULL;
(*tmp)->addr = fa;
tmp = &((*tmp)->next);
}
} else {
Syslog('!', "Binkp: bad remote address: \"%s\"", printable(q, 0));
binkp_send_control(MM_ERR, "Bad address");
}
}
for (tmpa = remote; tmpa; tmpa = tmpa->next) {
Syslog('+', "Address : %s", ascfnode(tmpa->addr, 0x1f));
if (nodelock(tmpa->addr, mypid)) {
binkp_send_control(MM_BSY, "Address %s locked", ascfnode(tmpa->addr, 0x1f));
SM_ERROR;
}
/*
* With the loaded flag we prevent removing the noderecord
* when the remote presents us an address we don't know about.
*/
if (!Loaded) {
if (noderecord(tmpa->addr))
Loaded = TRUE;
}
}
history.aka.zone = remote->addr->zone;
history.aka.net = remote->addr->net;
history.aka.node = remote->addr->node;
history.aka.point = remote->addr->point;
sprintf(history.aka.domain, "%s", remote->addr->domain);
SM_PROCEED(SendPasswd)
} else if (rbuf[0] == MM_BSY) {
Syslog('!', "Binkp: M_BSY \"%s\"", printable(&rbuf[1], 0));
SM_ERROR;
} else if (rbuf[0] == MM_ERR) {
Syslog('!', "Binkp: M_ERR \"%s\"", printable(&rbuf[1], 0));
SM_ERROR;
} else if (rbuf[0] == MM_NUL) {
b_nul(&rbuf[1]);
} else {
binkp_send_control(MM_ERR, "Unexpected frame");
SM_ERROR;
}
}
}
SM_STATE(SendPasswd)
if (Loaded && strlen(nodes.Spasswd)) {
pwd = xstrcpy(nodes.Spasswd);
SendPass = TRUE;
} else {
pwd = xstrcpy((char *)"-");
}
if (MD_challenge) {
char *tp = NULL;
tp = MD_buildDigest(pwd, MD_challenge);
if (!tp) {
Syslog('!', "Unable to build MD5 digest");
SM_ERROR;
}
CRAMflag = TRUE;
binkp_send_control(MM_PWD, "%s", tp);
free(tp);
} else {
binkp_send_control(MM_PWD, "%s", pwd);
}
free(pwd);
SM_PROCEED(AuthRemote)
SM_STATE(AuthRemote)
rc = 0;
for (tmpa = remote; tmpa; tmpa = tmpa->next) {
if ((tmpa->addr->zone == ra.zone) && (tmpa->addr->net == ra.net) &&
(tmpa->addr->node == ra.node) && (tmpa->addr->point == ra.point)) {
rc = 1;
}
}
if (rc) {
SM_PROCEED(IfSecure)
} else {
Syslog('!', "Binkp: error, the wrong node is reached");
binkp_send_control(MM_ERR, "No AKAs in common or all AKAs busy");
SM_ERROR;
}
SM_STATE(IfSecure)
SM_PROCEED(WaitOk)
SM_STATE(WaitOk)
for (;;) {
if ((rc = binkp_recv_frame(rbuf, &bufl, &cmd))) {
Syslog('!', "Binkp: error waiting for remote acknowledge");
SM_ERROR;
}
if (cmd) {
if (rbuf[0] == MM_OK) {
Syslog('b', "Binkp: M_OK \"%s\"", printable(&rbuf[1], 0));
if (SendPass)
Secure = TRUE;
Syslog('+', "Binkp: %s%sprotected session", CRAMflag ? "MD5 ":"", Secure ? "":"un");
SM_PROCEED(Opts)
} else if (rbuf[0] == MM_BSY) {
Syslog('!', "Binkp: M_BSY \"%s\"", printable(&rbuf[1], 0));
SM_ERROR;
} else if (rbuf[0] == MM_ERR) {
Syslog('!', "Binkp: M_ERR \"%s\"", printable(&rbuf[1], 0));
SM_ERROR;
} else if (rbuf[0] == MM_NUL) {
b_nul(&rbuf[1]);
} else {
binkp_send_control(MM_ERR, "Unexpected frame");
SM_ERROR;
}
}
}
SM_STATE(Opts)
/*
* Try to initiate the MB option if the remote is binkp/1.0
*/
if ((bp.MBflag == WeCan) && (bp.Major == 1) && (bp.Minor == 0)) {
bp.MBflag = WeWant;
Syslog('b', "MBflag WeCan => WeWant");
binkp_send_control(MM_NUL, "OPT MB");
}
SM_SUCCESS;
SM_END
SM_RETURN
/*
* Answer a binkp session
*/
SM_DECL(ansbinkp, (char *)"ansbinkp")
SM_STATES
WaitConn,
WaitAddr,
IsPasswd,
WaitPwd,
PwdAck,
Opts
SM_NAMES
(char *)"WaitConn",
(char *)"WaitAddr",
(char *)"IsPasswd",
(char *)"WaitPwd",
(char *)"PwdAck",
(char *)"Opts"
SM_EDECL
char *p, *q, *pw;
int i, rc, bufl, cmd, dupe, we_have_pwd = FALSE;
fa_list **tmp, *tmpa;
faddr *fa;
SM_START(WaitConn)
SM_STATE(WaitConn)
Loaded = FALSE;
if (strncmp(SockR("SBBS:0;"), "100:2,1", 7) == 0) {
Syslog('+', "Binkp: system is closed, sending M_BSY");
binkp_send_control(MM_BSY, "This system is closed, try again later");
SM_ERROR;
}
if (!CFG.NoMD5 && ((MD_challenge = MD_getChallenge(NULL, &peeraddr)) != NULL)) {
/*
* Answering site MUST send CRAM message as very first M_NUL
*/
char s[MD5_DIGEST_LEN*2+15]; /* max. length of opt string */
strcpy(s, "OPT ");
MD_toString(s+4, MD_challenge[0], MD_challenge+1);
CRAMflag = TRUE;
binkp_send_control(MM_NUL, "%s", s);
}
b_banner();
p = xstrcpy((char *)"");
for (i = 0; i < 40; i++)
if ((CFG.aka[i].zone) && (CFG.akavalid[i])) {
p = xstrcat(p, (char *)" ");
p = xstrcat(p, aka2str(CFG.aka[i]));
}
binkp_send_control(MM_ADR, "%s", p);
free(p);
SM_PROCEED(WaitAddr)
SM_STATE(WaitAddr)
for (;;) {
if ((rc = binkp_recv_frame(rbuf, &bufl, &cmd))) {
Syslog('!', "Binkp: error waiting for remote info");
SM_ERROR;
}
if (cmd) {
if (rbuf[0] == MM_ADR) {
p = xstrcpy(&rbuf[1]);
tidy_falist(&remote);
remote = NULL;
tmp = &remote;
for (q = strtok(p, " "); q; q = strtok(NULL, " "))
if ((fa = parsefnode(q))) {
dupe = FALSE;
for (tmpa = remote; tmpa; tmpa = tmpa->next) {
if ((tmpa->addr->zone == fa->zone) && (tmpa->addr->net == fa->net) &&
(tmpa->addr->node == fa->node) && (tmpa->addr->point == fa->point) &&
(strcmp(tmpa->addr->domain, fa->domain) == 0)) {
dupe = TRUE;
Syslog('b', "Binkp: double address %s", ascfnode(tmpa->addr, 0x1f));
break;
}
}
if (!dupe) {
*tmp = (fa_list*)malloc(sizeof(fa_list));
(*tmp)->next = NULL;
(*tmp)->addr = fa;
tmp = &((*tmp)->next);
}
} else {
Syslog('!', "Binkp: bad remote address: \"%s\"", printable(q, 0));
binkp_send_control(MM_ERR, "Bad address");
}
for (tmpa = remote; tmpa; tmpa = tmpa->next) {
Syslog('+', "Address : %s", ascfnode(tmpa->addr, 0x1f));
if (nodelock(tmpa->addr, mypid)) {
binkp_send_control(MM_BSY, "Address %s locked", ascfnode(tmpa->addr, 0x1f));
SM_ERROR;
}
/*
* With the loaded flag we prevent removing the noderecord
* when the remote presents us an address we don't know about.
*/
if (!Loaded) {
if (noderecord(tmpa->addr))
Loaded = TRUE;
}
}
for (tmpa = remote; tmpa; tmpa = tmpa->next) {
if (((nlent = getnlent(tmpa->addr))) && (nlent->pflag != NL_DUMMY)) {
Syslog('+', "Binkp: remote is a listed system");
UserCity(mypid, nlent->sysop, nlent->location);
break;
}
}
if (nlent)
rdoptions(Loaded);
// if (bp.MBflag == TheyWant) {
// Syslog('b', "Binkp: remote supports MB");
// binkp_send_control(MM_NUL,"OPT MB");
// bp.MBflag = Active;
// }
history.aka.zone = remote->addr->zone;
history.aka.net = remote->addr->net;
history.aka.node = remote->addr->node;
history.aka.point = remote->addr->point;
sprintf(history.aka.domain, "%s", remote->addr->domain);
SM_PROCEED(IsPasswd)
} else if (rbuf[0] == MM_ERR) {
Syslog('!', "Binkp: M_ERR \"%s\"", printable(&rbuf[1], 0));
SM_ERROR;
} else if (rbuf[0] == MM_NUL) {
b_nul(&rbuf[1]);
} else if (rbuf[0] <= MM_MAX) {
binkp_send_control(MM_ERR, "Unexpected frame");
SM_ERROR;
}
}
}
SM_STATE(IsPasswd)
if (Loaded && strlen(nodes.Spasswd)) {
we_have_pwd = TRUE;
}
Syslog('b', "We %s have a password", we_have_pwd ?"do":"don't");
SM_PROCEED(WaitPwd)
SM_STATE(WaitPwd)
for (;;) {
if ((rc = binkp_recv_frame(rbuf, &bufl, &cmd))) {
Syslog('!', "Binkp: error waiting for password");
SM_ERROR;
}
if (cmd) {
if (rbuf[0] == MM_PWD) {
SM_PROCEED(PwdAck)
} else if (rbuf[0] == MM_ERR) {
Syslog('!', "Binkp: M_ERR \"%s\"", printable(&rbuf[1], 0));
SM_ERROR;
} else if (rbuf[0] == MM_NUL) {
b_nul(&rbuf[1]);
} else if (rbuf[0] <= MM_MAX) {
binkp_send_control(MM_ERR, "Unexpected frame");
SM_ERROR;
}
}
}
SM_STATE(PwdAck)
if (we_have_pwd) {
pw = xstrcpy(nodes.Spasswd);
} else {
pw = xstrcpy((char *)"-");
}
if ((strncmp(&rbuf[1], "CRAM-", 5) == 0) && CRAMflag) {
char *sp;
sp = MD_buildDigest(pw, MD_challenge);
if (sp != NULL) {
if (strcmp(&rbuf[1], sp)) {
Syslog('+', "Binkp: bad MD5 crypted password");
binkp_send_control(MM_ERR, "Bad password");
free(sp);
sp = NULL;
free(pw);
SM_ERROR;
} else {
free(sp);
sp = NULL;
if (we_have_pwd)
Secure = TRUE;
}
} else {
free(pw);
Syslog('!', "Binkp: could not build MD5 digest");
binkp_send_control(MM_ERR, "*** Internal error ***");
SM_ERROR;
}
} else if ((strcmp(&rbuf[1], pw) == 0)) {
if (we_have_pwd)
Secure = TRUE;
} else {
free(pw);
Syslog('?', "Binkp: password error: expected \"%s\", got \"%s\"", nodes.Spasswd, &rbuf[1]);
binkp_send_control(MM_ERR, "Bad password");
SM_ERROR;
}
free(pw);
Syslog('+', "Binkp: %s%sprotected session", CRAMflag ? "MD5 ":"", Secure ? "":"un");
inbound_open(remote->addr, Secure);
binkp_send_control(MM_OK, "%ssecure", Secure ? "":"non-");
SM_PROCEED(Opts)
SM_STATE(Opts)
SM_SUCCESS;
SM_END
SM_RETURN
void fill_binkp_list(binkp_list **bll, file_list *fal, off_t offs)
{
binkp_list **tmpl;
struct stat tstat;
if (stat(fal->local, &tstat) != 0) {
Syslog('!', "$Can't add %s to sendlist", fal->local);
return;
}
if (strstr(fal->remote, (char *)".pkt"))
nethold += tstat.st_size;
else
mailhold += tstat.st_size;
for (tmpl = bll; *tmpl; tmpl = &((*tmpl)->next));
*tmpl = (binkp_list *)malloc(sizeof(binkp_list));
(*tmpl)->next = NULL;
(*tmpl)->state = NoState;
(*tmpl)->get = FALSE;
(*tmpl)->local = xstrcpy(fal->local);
(*tmpl)->remote = xstrcpy(unix2binkp(fal->remote));
(*tmpl)->offset = offs;
(*tmpl)->size = tstat.st_size;
(*tmpl)->date = tstat.st_mtime;
}
char *lbstat[]={(char *)"None",
(char *)"Sending",
(char *)"IsSent",
(char *)"Got",
(char *)"Skipped",
(char *)"Get"};
void debug_binkp_list(binkp_list **bll)
{
binkp_list *tmpl;
Syslog('B', "Current filelist:");
for (tmpl = *bll; tmpl; tmpl = tmpl->next)
Syslog('B', "%s %s %s %ld", MBSE_SS(tmpl->local), MBSE_SS(tmpl->remote), lbstat[tmpl->state], tmpl->offset);
}
int binkp_batch(file_list *to_send)
{
int rc = 0, NotDone, rxlen = 0, txlen = 0, rxerror = FALSE;
static char *txbuf, *rxbuf;
FILE *txfp = NULL, *rxfp = NULL;
long txpos = 0, rxpos = 0, stxpos = 0, written;
int sverr, cmd = FALSE, GotFrame = FALSE, blklen = 0, c, Found = FALSE;
unsigned short header = 0;
off_t rxbytes;
binkp_list *bll = NULL, *tmp, *tmpg, *cursend = NULL;
file_list *tsl;
struct timeval rxtvstart, rxtvend;
struct timeval txtvstart, txtvend;
struct timezone tz;
struct statfs sfs;
rxtvstart.tv_sec = rxtvstart.tv_usec = 0;
rxtvend.tv_sec = rxtvend.tv_usec = 0;
txtvstart.tv_sec = txtvstart.tv_usec = 0;
txtvend.tv_sec = txtvend.tv_usec = 0;
tz.tz_minuteswest = tz.tz_dsttime = 0;
batchnr++;
Syslog('+', "Binkp: starting batch %d", batchnr);
IsDoing("Binkp %s %s", (bp.role == 1)?"out":"inb", ascfnode(remote->addr, 0xf));
txbuf = calloc(MAX_BLKSIZE + 3, sizeof(unsigned char));
rxbuf = calloc(MAX_BLKSIZE + 3, sizeof(unsigned char));
// TfState = Switch;
bp.RxState = RxWaitFile;
bp.TxState = TxGetNextFile;
binkp_settimer(BINKP_TIMEOUT);
nethold = mailhold = 0L;
transferred = FALSE;
/*
* Build a new filelist from the existing filelist.
* This one is special for binkp behaviour.
*/
for (tsl = to_send; tsl; tsl = tsl->next) {
if (tsl->remote != NULL)
fill_binkp_list(&bll, tsl, 0L);
}
debug_binkp_list(&bll);
Syslog('+', "Binkp: mail %ld, files %ld bytes", nethold, mailhold);
binkp_send_control(MM_NUL, "TRF %ld %ld", nethold, mailhold);
while ((bp.RxState != RxDone) || (bp.TxState != TxDone)) {
Nopper();
if (binkp_expired()) {
Syslog('!', "Binkp: Transfer timeout");
Syslog('b', "Binkp: TxState=%s, RxState=%s, rxlen=%d", txstate[bp.TxState], rxstate[bp.RxState], rxlen);
bp.RxState = RxDone;
bp.TxState = TxDone;
binkp_send_control(MM_ERR, "Transfer timeout");
rc = MBERR_FTRANSFER;
break;
}
/*
* Receiver binkp frame
*/
for (;;) {
if (GotFrame) {
Syslog('b', "Binkp: WARNING: frame not processed");
break;
} else {
c = GETCHAR(0);
if (c < 0) {
c = -c;
if (c == STAT_TIMEOUT) {
usleep(1);
break;
}
Syslog('?', "Binkp: receiver status %s", ttystat[c]);
bp.TxState = TxDone;
bp.RxState = RxDone;
rc = (MBERR_TTYIO + (-c));
break;
} else {
switch (rxlen) {
case 0: header = c << 8;
break;
case 1: header += c;
break;
default:rxbuf[rxlen-2] = c;
}
if (rxlen == 1) {
cmd = header & 0x8000;
blklen = header & 0x7fff;
}
if ((rxlen == (blklen + 1) && (rxlen >= 1))) {
GotFrame = TRUE;
binkp_settimer(BINKP_TIMEOUT);
rxbuf[rxlen-1] = '\0';
break;
}
rxlen++;
}
}
}
/*
* Transmitter state machine
*/
switch (bp.TxState) {
case TxGetNextFile:
for (tmp = bll; tmp; tmp = tmp->next) {
if (tmp->state == NoState) {
/*
* There is something to send
*/
struct flock txflock;
txflock.l_type = F_RDLCK;
txflock.l_whence = 0;
txflock.l_start = 0L;
txflock.l_len = 0L;
txfp = fopen(tmp->local, "r");
if (txfp == NULL) {
sverr = errno;
if ((sverr == ENOENT) || (sverr == EINVAL)) {
Syslog('+', "Binkp: file %s doesn't exist, removing", MBSE_SS(tmp->local));
tmp->state = Got;
} else {
WriteError("$Binkp: can't open %s, skipping", MBSE_SS(tmp->local));
tmp->state = Skipped;
}
break;
}
if (fcntl(fileno(txfp), F_SETLK, &txflock) != 0) {
WriteError("$Binkp: can't lock file %s, skipping", MBSE_SS(tmp->local));
fclose(txfp);
tmp->state = Skipped;
break;
}
txpos = stxpos = tmp->offset;
Syslog('+', "Binkp: send \"%s\" as \"%s\"", MBSE_SS(tmp->local), MBSE_SS(tmp->remote));
Syslog('+', "Binkp: size %lu bytes, dated %s", (unsigned long)tmp->size, date(tmp->date));
binkp_send_control(MM_FILE, "%s %lu %ld %ld", MBSE_SS(tmp->remote),
(unsigned long)tmp->size, (long)tmp->date, (unsigned long)tmp->offset);
gettimeofday(&txtvstart, &tz);
tmp->state = Sending;
cursend = tmp;
bp.TxState = TxTryRead;
transferred = TRUE;
break;
} /* if state == NoState */
} /* for */
if (tmp == NULL) {
/*
* No more files to send
*/
bp.TxState = TxWaitLastAck;
Syslog('b', "Binkp: transmitter to WaitLastAck");
}
break;
case TxTryRead:
/*
* Check if there is room in the output buffer
*/
if ((WAITPUTGET(-1) & 2) != 0)
bp.TxState = TxReadSend;
break;
case TxReadSend:
fseek(txfp, txpos, SEEK_SET);
txlen = fread(txbuf, 1, SND_BLKSIZE, txfp);
if (txlen == 0) {
if (ferror(txfp)) {
WriteError("$Binkp: error reading from file");
bp.TxState = TxGetNextFile;
cursend->state = Skipped;
debug_binkp_list(&bll);
break;
}
/*
* Send empty dataframe, most binkp mailers need it to detect EOF.
*/
// binkp_send_data(txbuf, 0);
/*
* calculate time needed and bytes transferred
*/
gettimeofday(&txtvend, &tz);
/*
* Close transmitter file
*/
fclose(txfp);
if (txpos >= 0) {
stxpos = txpos - stxpos;
Syslog('+', "Binkp: OK %s", transfertime(txtvstart, txtvend, stxpos, TRUE));
} else {
Syslog('+', "Binkp: transmitter skipped file after %ld seconds", txtvend.tv_sec - txtvstart.tv_sec);
}
cursend->state = IsSent;
bp.TxState = TxGetNextFile;
break;
} else {
txpos += txlen;
sentbytes += txlen;
binkp_send_data(txbuf, txlen);
}
bp.TxState = TxTryRead;
break;
case TxWaitLastAck:
debug_binkp_list(&bll);
NotDone = FALSE;
for (tmp = bll; tmp; tmp = tmp->next)
if ((tmp->state != Got) && (tmp->state != Skipped)) {
NotDone = TRUE;
break;
}
if (tmp == NULL) {
bp.TxState = TxDone;
binkp_send_control(MM_EOB, "");
Syslog('b', "Binkp: sending EOB");
}
break;
case TxDone:
break;
}
/*
* Process received frame
*/
if (GotFrame) {
if (cmd) {
switch (rxbuf[0]) {
case MM_ERR: Syslog('+', "Binkp: got ERR: %s", rxbuf+1);
bp.RxState = RxDone;
bp.TxState = TxDone;
rc = MBERR_FTRANSFER;
break;
case MM_BSY: Syslog('+', "Binkp: got BSY: %s", rxbuf+1);
bp.RxState = RxDone;
bp.TxState = TxDone;
rc = MBERR_FTRANSFER;
break;
case MM_SKIP: Syslog('+', "Binkp: got SKIP: %s", rxbuf+1);
break;
case MM_GET: Syslog('+', "Binkp: got GET: %s", rxbuf+1);
sscanf(rxbuf+1, "%s %ld %ld %ld", bp.gname, &bp.gsize, &bp.gtime, &bp.goffset);
for (tmpg = bll; tmpg; tmpg = tmpg->next) {
if (strcasecmp(tmpg->remote, bp.gname) == 0) {
tmpg->state = NoState;
tmpg->offset = bp.goffset;
if (bp.goffset) {
Syslog('+', "Remote wants %s for resync at offset %ld", bp.gname, bp.goffset);
} else {
Syslog('+', "Remote wants %s again", bp.gname);
}
bp.TxState = TxGetNextFile;
}
}
break;
case MM_GOT: Syslog('+', "Binkp: got GOT: %s", rxbuf+1);
sscanf(rxbuf+1, "%s %ld %ld", bp.lname, &bp.lsize, &bp.ltime);
Found = FALSE;
for (tmp = bll; tmp; tmp = tmp->next)
if ((strcmp(bp.lname, tmp->remote) == 0) && (bp.lsize == tmp->size) &&
(bp.ltime == tmp->date)) {
Syslog('+', "Binkp: remote GOT \"%s\"", tmp->remote);
tmp->state = Got;
Found = TRUE;
}
if (!Found) {
Syslog('!', "Binkp: unexpected GOT \"%s\"", rxbuf+1);
}
break;
case MM_NUL: b_nul(rxbuf+1);
break;
case MM_EOB: Syslog('+', "Binkp: got EOB");
bp.RxState = RxEndOfBatch;
break;
case MM_FILE: Syslog('b', "Binkp: got FILE: %s", rxbuf+1);
if ((bp.RxState == RxWaitFile) || (bp.RxState == RxEndOfBatch)) {
bp.RxState = RxAcceptFile;
/*
* Check against buffer overflow
*/
if (strlen(rxbuf) < 512) {
sscanf(rxbuf+1, "%s %ld %ld %ld", bp.rname, &bp.rsize, &bp.rtime, &bp.roffs);
} else {
Syslog('+', "Binkp: got corrupted FILE frame, size %d bytes", strlen(rxbuf));
}
} else {
Syslog('+', "Binkp: got unexpected FILE frame %s", rxbuf+1);
}
break;
default: Syslog('+', "Binkp: Unexpected frame %d \"%s\"", rxbuf[0], printable(rxbuf+1, 0));
}
} else {
if (blklen) {
if (bp.RxState == RxReceData) {
written = fwrite(rxbuf, 1, blklen, rxfp);
if (!written && blklen) {
Syslog('+', "Binkp: file write error");
bp.RxState = RxDone;
}
rxpos += written;
if (rxpos == bp.rsize) {
bp.RxState = RxWaitFile;
binkp_send_control(MM_GOT, "%s %ld %ld", bp.rname, bp.rsize, bp.rtime);
closefile();
rxpos = rxpos - rxbytes;
gettimeofday(&rxtvend, &tz);
Syslog('+', "Binkp: %s %s", rxerror?"ERROR":"OK", transfertime(rxtvstart, rxtvend, rxpos, FALSE));
rcvdbytes += rxpos;
bp.RxState = RxWaitFile;
transferred = TRUE;
}
} else {
if (!bp.DidSendGET) {
/*
* Do not log after a GET command, there will be data packets
* in the pipeline that must be ignored.
*/
Syslog('+', "Binkp: unexpected DATA frame %d", rxbuf[0]);
}
}
}
}
GotFrame = FALSE;
rxlen = 0;
header = 0;
blklen = 0;
}
/*
* Receiver state machine
*/
switch (bp.RxState) {
case RxWaitFile:
break;
case RxAcceptFile:
Syslog('+', "Binkp: receive file \"%s\" date %s size %ld offset %ld", bp.rname, date(bp.rtime), bp.rsize, bp.roffs);
(void)binkp2unix(bp.rname);
rxfp = openfile(binkp2unix(bp.rname), bp.rtime, bp.rsize, &rxbytes, resync);
if (bp.DidSendGET) {
/*
* The file was partly received, via the openfile the resync function
* has send a GET command to start this file with a offset. This means
* we will get a new FILE command to open this file with a offset.
*/
bp.RxState = RxWaitFile;
break;
}
gettimeofday(&rxtvstart, &tz);
rxpos = bp.roffs;
rxerror = FALSE;
if (!diskfree(CFG.freespace)) {
Syslog('+', "Binkp: low diskspace, sending BSY");
binkp_send_control(MM_BSY, "Low diskspace, try again later");
bp.RxState = RxDone;
bp.TxState = TxDone;
rc = MBERR_FTRANSFER;
break;
}
if (statfs(tempinbound, &sfs) == 0) {
Syslog('b', "blocksize %lu free blocks %lu", sfs.f_bsize, sfs.f_bfree);
Syslog('b', "need %lu blocks", (unsigned long)(bp.rsize / (sfs.f_bsize + 1)));
if ((bp.rsize / (sfs.f_bsize + 1)) >= sfs.f_bfree) {
Syslog('!', "Only %lu blocks free (need %lu) in %s", sfs.f_bfree,
(unsigned long)(bp.rsize / (sfs.f_bsize + 1)), tempinbound);
closefile();
rxfp = NULL; /* Force SKIP command */
}
}
if (bp.rsize == rxbytes) {
/*
* We already got this file, send GOT so it will
* be deleted at the remote.
*/
Syslog('+', "Binkp: already got %s, sending GOT", bp.rname);
binkp_send_control(MM_GOT, "%s %ld %ld", bp.rname, bp.rsize, bp.rtime);
bp.RxState = RxWaitFile;
rxfp = NULL;
} else if (!rxfp) {
/*
* Some error, request to skip it
*/
Syslog('+', "Binkp: error file %s, sending SKIP", bp.rname);
binkp_send_control(MM_SKIP, "%s %ld %ld", bp.rname, bp.rsize, bp.rtime);
bp.RxState = RxWaitFile;
} else {
Syslog('b', "rsize=%d, rxbytes=%d, roffs=%d", bp.rsize, rxbytes, bp.roffs);
bp.RxState = RxReceData;
}
break;
case RxReceData:
break;
case RxEndOfBatch:
if (bp.TxState == TxDone)
bp.RxState = RxDone;
break;
case RxDone:
break;
}
}
debug_binkp_list(&bll);
/*
* Process all send files.
*/
for (tsl = to_send; tsl; tsl = tsl->next) {
if (tsl->remote == NULL) {
execute_disposition(tsl);
} else {
for (tmp = bll; tmp; tmp = tmp->next) {
if ((strcmp(tmp->local, tsl->local) == 0) && (tmp->state == Got)) {
execute_disposition(tsl);
}
}
}
}
for (tmp = bll; bll; bll = tmp) {
tmp = bll->next;
if (bll->local)
free(bll->local);
if (bll->remote)
free(bll->remote);
free(bll);
}
free(txbuf);
free(rxbuf);
/*
* If there was an error, try to close a possible incomplete file in
* the temp inbound so we can resume the next time we have a session
* with this node.
*/
if (rc)
closefile();
Syslog('+', "Binkp: batch %d completed rc=%d", batchnr, rc);
return rc;
}
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