From 68e1b7fcf574025c5c240940901db3d6297b9e25 Mon Sep 17 00:00:00 2001 From: Michiel Broek Date: Fri, 14 May 2004 18:54:39 +0000 Subject: [PATCH] removed old binkp driver sources --- mbcico/binkpold.c | 1672 --------------------------------------------- mbcico/binkpold.h | 77 --- 2 files changed, 1749 deletions(-) delete mode 100644 mbcico/binkpold.c delete mode 100644 mbcico/binkpold.h diff --git a/mbcico/binkpold.c b/mbcico/binkpold.c deleted file mode 100644 index 688376ee..00000000 --- a/mbcico/binkpold.c +++ /dev/null @@ -1,1672 +0,0 @@ -/***************************************************************************** - * - * $Id$ - * Purpose .................: Fidonet binkp protocol - * Binkp protocol copyright : Dima Maloff. - * - ***************************************************************************** - * Copyright (C) 1997-2004 - * - * 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/mbselib.h" -#include "../lib/users.h" -#include "../lib/nodelist.h" -#include "../lib/mbsedb.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 */ -int transferred = FALSE; /* Anything transferred in batch */ -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 */ - int rc; /* Protocol return code */ - int rxlen; /* Receive buffer length */ - int txlen; /* Length of transmitted data block */ - char *txbuf; /* Transmitter buffer */ - char *rxbuf; /* Receiver buffer */ - FILE *txfp; /* File in transmitter */ - FILE *rxfp; /* File in receiver */ - int txpos; /* Transmitter position */ - int rxpos; /* Receiver position */ - int stxpos; /* Start transmitter position */ - int cmd; /* Command flag */ - int GotFrame; /* Got Frame flag */ - unsigned short header; /* Frame header */ - int blklen; /* Block length */ - off_t rxbytes; /* Receiver bytecount */ - struct timeval rxtvstart; /* Receive file start */ - struct timeval rxtvend; /* Receiver file end */ - struct timeval txtvstart; /* Transmit file start */ - struct timeval txtvend; /* Transmit file end */ - struct timezone tz; /* Timezone */ - unsigned long nethold; /* Netmail on hold */ - unsigned long mailhold; /* Packed mail (files) on hold */ - int batchnr; /* Batch number */ -}; - -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; - bp.rc = 0; - bp.rxlen = 0; - bp.txbuf = calloc(MAX_BLKSIZE + 3, sizeof(unsigned char)); - bp.rxbuf = calloc(MAX_BLKSIZE + 3, sizeof(unsigned char)); - bp.txfp = NULL; - bp.rxfp = NULL; - bp.txpos = 0; - bp.rxpos = 0; - bp.stxpos = 0; - bp.cmd = FALSE; - bp.GotFrame = FALSE; - bp.header = 0; - bp.batchnr = 0; -} - - -void binkp_deinit(void) -{ - if (bp.rname) - free(bp.rname); - if (bp.lname) - free(bp.lname); - if (bp.gname) - free(bp.gname); - if (bp.txbuf) - free(bp.txbuf); - if (bp.rxbuf) - free(bp.rxbuf); -} - - -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")) - bp.nethold += tstat.st_size; - else - bp.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); -} - - -/* - * Get a fram for the batch - */ -void batch_receive_frame(void); -void batch_receive_frame(void) -{ - int c; - - for (;;) { - if (bp.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; - bp.rc = (MBERR_TTYIO + (-c)); - break; - } else { - switch (bp.rxlen) { - case 0: bp.header = c << 8; - break; - case 1: bp.header += c; - break; - default:bp.rxbuf[bp.rxlen-2] = c; - } - if (bp.rxlen == 1) { - bp.cmd = bp.header & 0x8000; - bp.blklen = bp.header & 0x7fff; - } - if ((bp.rxlen == (bp.blklen + 1) && (bp.rxlen >= 1))) { - bp.GotFrame = TRUE; - binkp_settimer(BINKP_TIMEOUT); - bp.rxbuf[bp.rxlen-1] = '\0'; - break; - } - bp.rxlen++; - } - } - } -} - - - -int binkp_batch(file_list *to_send) -{ - int NotDone, written, Found = FALSE; - binkp_list *bll = NULL, *tmp, *tmpg, *cursend = NULL; - file_list *tsl; - struct statfs sfs; - - bp.rxtvstart.tv_sec = bp.rxtvstart.tv_usec = 0; - bp.rxtvend.tv_sec = bp.rxtvend.tv_usec = 0; - bp.txtvstart.tv_sec = bp.txtvstart.tv_usec = 0; - bp.txtvend.tv_sec = bp.txtvend.tv_usec = 0; - bp.tz.tz_minuteswest = bp.tz.tz_dsttime = 0; - - bp.batchnr++; - Syslog('+', "Binkp: starting batch %d", bp.batchnr); - IsDoing("Binkp %s %s", (bp.role == 1)?"out":"inb", ascfnode(remote->addr, 0xf)); -// TfState = Switch; - bp.RxState = RxWaitFile; - bp.TxState = TxGetNextFile; - binkp_settimer(BINKP_TIMEOUT); - bp.nethold = bp.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", bp.nethold, bp.mailhold); - binkp_send_control(MM_NUL, "TRF %ld %ld", bp.nethold, bp.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], bp.rxlen); - bp.RxState = RxDone; - bp.TxState = TxDone; - binkp_send_control(MM_ERR, "Transfer timeout"); - bp.rc = MBERR_FTRANSFER; - break; - } - - /* - * Receiver binkp frame - */ - batch_receive_frame(); - - /* - * 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; - - bp.txfp = fopen(tmp->local, "r"); - if (bp.txfp == NULL) { - if ((errno == ENOENT) || (errno == EINVAL)) { - Syslog('+', "Binkp: file %s doesn't exist, removing", MBSE_SS(tmp->local)); - tmp->state = Got; - } else { - WriteError("$Binkp: can't open %s, skipping", MBSE_SS(tmp->local)); - tmp->state = Skipped; - } - break; - } - - if (fcntl(fileno(bp.txfp), F_SETLK, &txflock) != 0) { - WriteError("$Binkp: can't lock file %s, skipping", MBSE_SS(tmp->local)); - fclose(bp.txfp); - bp.txfp = NULL; - tmp->state = Skipped; - break; - } - - bp.txpos = bp.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(&bp.txtvstart, &bp.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(bp.txfp, bp.txpos, SEEK_SET); - bp.txlen = fread(bp.txbuf, 1, SND_BLKSIZE, bp.txfp); - - if (bp.txlen == 0) { - - if (ferror(bp.txfp)) { - WriteError("$Binkp: error reading from file"); - bp.TxState = TxGetNextFile; - cursend->state = Skipped; - debug_binkp_list(&bll); - break; - } - - /* - * calculate time needed and bytes transferred - */ - gettimeofday(&bp.txtvend, &bp.tz); - - /* - * Close transmitter file - */ - fclose(bp.txfp); - bp.txfp = NULL; - - if (bp.txpos >= 0) { - bp.stxpos = bp.txpos - bp.stxpos; - Syslog('+', "Binkp: OK %s", transfertime(bp.txtvstart, bp.txtvend, bp.stxpos, TRUE)); - } else { - Syslog('+', "Binkp: transmitter skipped file after %ld seconds", bp.txtvend.tv_sec - bp.txtvstart.tv_sec); - } - - cursend->state = IsSent; - bp.TxState = TxGetNextFile; - break; - } else { - bp.txpos += bp.txlen; - sentbytes += bp.txlen; - binkp_send_data(bp.txbuf, bp.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 (bp.GotFrame) { - if (bp.cmd) { - switch (bp.rxbuf[0]) { - case MM_ERR: Syslog('+', "Binkp: got ERR: %s", bp.rxbuf+1); - bp.RxState = RxDone; - bp.TxState = TxDone; - bp.rc = MBERR_FTRANSFER; - break; - - case MM_BSY: Syslog('+', "Binkp: got BSY: %s", bp.rxbuf+1); - bp.RxState = RxDone; - bp.TxState = TxDone; - bp.rc = MBERR_FTRANSFER; - break; - - case MM_SKIP: Syslog('+', "Binkp: got SKIP: %s", bp.rxbuf+1); - break; - - case MM_GET: Syslog('+', "Binkp: got GET: %s", bp.rxbuf+1); - sscanf(bp.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", bp.rxbuf+1); - sscanf(bp.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\"", bp.rxbuf+1); - } - break; - - case MM_NUL: b_nul(bp.rxbuf+1); - break; - - case MM_EOB: Syslog('+', "Binkp: got EOB"); - bp.RxState = RxEndOfBatch; - break; - - case MM_FILE: Syslog('b', "Binkp: got FILE: %s", bp.rxbuf+1); - if (bp.RxState == RxReceData ) { - /* - * If we get a m_file command during receive, the current file is - * considered interrupted. Save the partial received file and accept - * the new file. After this file the transmitter should continue - * with the original file and this mailer should send m_get to set - * the offset to the point were we left off. - */ - Syslog('+', "Binkp: new file during receive, saving %s", bp.rname); - closefile(); - bp.rxfp = NULL; - bp.RxState = RxWaitFile; - } - if ((bp.RxState == RxWaitFile) || (bp.RxState == RxEndOfBatch)) { - bp.RxState = RxAcceptFile; - /* - * Check against buffer overflow - */ - if (strlen(bp.rxbuf) < 512) { - sscanf(bp.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(bp.rxbuf)); - } - } else { - Syslog('+', "Binkp: got unexpected FILE frame %s", bp.rxbuf+1); - } - break; - - default: Syslog('+', "Binkp: Unexpected frame %d \"%s\"", bp.rxbuf[0], printable(bp.rxbuf+1, 0)); - } - } else { - if (bp.blklen) { - if (bp.RxState == RxReceData) { - written = fwrite(bp.rxbuf, 1, bp.blklen, bp.rxfp); - if (!written && bp.blklen) { - Syslog('+', "Binkp: file write error"); - bp.RxState = RxDone; - } - bp.rxpos += written; - if (bp.rxpos == bp.rsize) { - bp.RxState = RxWaitFile; - binkp_send_control(MM_GOT, "%s %ld %ld", bp.rname, bp.rsize, bp.rtime); - closefile(); - bp.rxpos = bp.rxpos - bp.rxbytes; - gettimeofday(&bp.rxtvend, &bp.tz); - Syslog('+', "Binkp: OK %s", transfertime(bp.rxtvstart, bp.rxtvend, bp.rxpos, FALSE)); - rcvdbytes += bp.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", bp.rxbuf[0]); - } - } - } - } - bp.GotFrame = FALSE; - bp.rxlen = 0; - bp.header = 0; - bp.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); - bp.rxfp = openfile(binkp2unix(bp.rname), bp.rtime, bp.rsize, &bp.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(&bp.rxtvstart, &bp.tz); - bp.rxpos = bp.roffs; - - 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; - bp.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(); - bp.rxfp = NULL; /* Force SKIP command */ - } - } - - if (bp.rsize == bp.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; - bp.rxfp = NULL; - } else if (!bp.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, bp.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); - } - - /* - * 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 (bp.rc) - closefile(); - - Syslog('+', "Binkp: batch %d completed rc=%d", bp.batchnr, bp.rc); - return bp.rc; -} - diff --git a/mbcico/binkpold.h b/mbcico/binkpold.h deleted file mode 100644 index 52a6f9f4..00000000 --- a/mbcico/binkpold.h +++ /dev/null @@ -1,77 +0,0 @@ -#ifndef _BINKP_H -#define _BINKP_H - - -/* $Id$ */ - -/* - - binkp's frames: - - +---------------------- 0=data block, 1=message(command) - | +---- data block size / msg's argument size - | | - 7 6543210 76543210 - +-+-------+--------+--- ... ---+ - | | HI LO | | -- data block / msg's argument - +-+-------+--------+--- ... ---+ - - */ - - -/* protocol version */ -#define PRTCLNAME "binkp" -#define PRTCLVER "1.0" - -#define MAX_BLKSIZE 0x7fff /* Don't change! */ -#define BLK_HDR_SIZE 2 /* 2 bytes header */ -#define BINKP_TIMEOUT 180 /* Global timeout value */ -#define SND_BLKSIZE 4096 /* Blocksize transmitter */ - -#define MM_NUL 0 /* Ignored by binkp (data optionally logged) */ -#define MM_ADR 1 /* System aka's */ -#define MM_PWD 2 /* Password */ -#define MM_FILE 3 -#define MM_OK 4 /* The password is ok */ -#define MM_EOB 5 /* End-of-batch (data ignored) */ -#define MM_GOT 6 /* File received */ -#define MM_ERR 7 /* Misc errors */ -#define MM_BSY 8 /* All AKAs are busy */ -#define MM_GET 9 /* Get a file from offset */ -#define MM_SKIP 10 /* Skip a file */ -#define MM_MAX 10 - -#define MM_DATA 0xff - -#define BINKP_DATA_BLOCK 0x0000 -#define BINKP_CONTROL_BLOCK 0x8000 - - -typedef struct _binkp_frame { - unsigned short header; - unsigned char id; - unsigned char *data; -} binkp_frame; - - - -/* - * Linked list of files to send and responses from the receiver. - */ -typedef enum {NoState, Sending, IsSent, Got, Skipped, Get} FileState; - -typedef struct _binkp_list { - struct _binkp_list *next; - char *remote; /* Remote filename */ - char *local; /* Local filename */ - int state; /* File state */ - int get; /* Boolean GET flag */ - off_t size; /* File size */ - time_t date; /* File date & time */ - off_t offset; /* Start offset */ -} binkp_list; - - -int binkp(int); - -#endif