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deb-mbse/mbcico/emsidat.c

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/*****************************************************************************
*
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* $Id$
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* Purpose ...............: Fidonet mailer
*
*****************************************************************************
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* Copyright (C) 1997-2004
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*
* 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
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include "../lib/mbselib.h"
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#include "../lib/users.h"
#include "../lib/nodelist.h"
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#include "../lib/mbsedb.h"
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#include "emsi.h"
#include "session.h"
#include "lutil.h"
#include "config.h"
#include "emsidat.h"
#include "filetime.h"
extern int Loaded;
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extern int mypid;
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extern int emsi_akas;
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/*
* Encode EMSI string. If called with a NULL pointer memory is freed.
*/
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char *emsiencode(char *s)
{
char Base16Code[]="0123456789ABCDEF";
static char *buf;
char *p, *q;
if (buf)
free(buf);
buf = NULL;
if (s == NULL)
return NULL;
if ((buf = malloc(2 * strlen(s) + 1 * sizeof(char))) == NULL) {
Syslog('+', "emsiencode:out of memory:string too long:\"%s\"", s);
return s;
}
for (p = s, q = buf; *p != '\0';) {
switch (*p) {
case '\\': *q++ = '\\'; *q++ = *p++; break;
case '[':
case ']':
case '{':
case '}': *q++ = '\\';
*q++ = Base16Code[(*p >> 4) & 0x0f];
*q++ = Base16Code[*p & 0x0f];
p++; break;
default: *q++ = *p++; break;
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}
}
*q = '\0';
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return buf;
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}
char *mkemsidat(int caller)
{
time_t tt;
char cbuf[16], *p;
faddr *primary;
int i;
p = xstrcpy((char *)"EMSI_DAT0000{EMSI}{");
primary = bestaka_s(remote->addr);
p = xstrcat(p, ascfnode(primary, 0x1f));
for (i = 0; i < 40; i++)
if ((CFG.aka[i].node) && (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]));
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}
p=xstrcat(p,(char *)"}{");
tidy_faddr(primary);
if (emsi_local_password)
p=xstrcat(p,emsi_local_password);
else if (strlen(nodes.Spasswd)) {
p = xstrcat(p, nodes.Spasswd);
}
if (emsi_local_opts & OPT_EII) {
p = xstrcat(p, (char *)"}{");
if (emsi_local_lcodes & LCODE_FNC)
p = xstrcat(p, (char *)"FNC,");
if (emsi_local_lcodes & LCODE_RMA)
p = xstrcat(p, (char *)"RMA,");
if (emsi_local_lcodes & LCODE_RH1)
p = xstrcat(p, (char *)"RH1,");
if (emsi_local_lcodes & LCODE_PUA)
p=xstrcat(p,(char *)"PUA,");
else if (emsi_local_lcodes & LCODE_PUP)
p=xstrcat(p,(char *)"PUP,");
else if (emsi_local_lcodes & LCODE_NPU)
p=xstrcat(p,(char *)"NPU,");
if (emsi_local_lcodes & LCODE_HAT)
p=xstrcat(p,(char *)"HAT,");
if (emsi_local_lcodes & LCODE_HXT)
p=xstrcat(p,(char *)"HXT,");
if (emsi_local_lcodes & LCODE_HRQ)
p=xstrcat(p,(char *)"HRQ,");
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if (*(p+strlen(p)-1) == ',')
*(p+strlen(p)-1) = '}';
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else
p=xstrcat(p,(char *)"}");
} else {
p=xstrcat(p,(char *)"}{8N1");
if (emsi_local_lcodes & LCODE_RH1)
p = xstrcat(p, (char *)",RH1");
if (caller) {
if (emsi_local_lcodes & LCODE_PUA)
p=xstrcat(p,(char *)",PUA");
else if (emsi_local_lcodes & LCODE_PUP)
p=xstrcat(p,(char *)",PUP");
else if (emsi_local_lcodes & LCODE_NPU)
p=xstrcat(p,(char *)",NPU");
} else {
if (emsi_local_lcodes & LCODE_HAT)
p=xstrcat(p,(char *)",HAT");
if (emsi_local_lcodes & LCODE_HXT)
p=xstrcat(p,(char *)",HXT");
if (emsi_local_lcodes & LCODE_HRQ)
p=xstrcat(p,(char *)",HRQ");
}
p = xstrcat(p, (char *)"}");
}
p=xstrcat(p,(char *)"{");
if (emsi_local_protos & PROT_TCP)
p=xstrcat(p,(char *)"TCP,");
if (emsi_local_protos & PROT_HYD)
p=xstrcat(p,(char *)"HYD,");
if (emsi_local_protos & PROT_JAN)
p=xstrcat(p,(char *)"JAN,");
if (emsi_local_protos & PROT_ZAP)
p=xstrcat(p,(char *)"ZAP,");
if (emsi_local_protos & PROT_ZMO)
p=xstrcat(p,(char *)"ZMO,");
if (emsi_local_protos & PROT_DZA);
p=xstrcat(p,(char *)"DZA,");
if (emsi_local_protos & PROT_KER)
p=xstrcat(p,(char *)"KER,");
if (emsi_local_protos == 0)
p=xstrcat(p,(char *)"NCP,");
if (emsi_local_opts & OPT_NRQ)
p=xstrcat(p,(char *)"NRQ,");
if (emsi_local_opts & OPT_ARC)
p=xstrcat(p,(char *)"ARC,");
if (emsi_local_opts & OPT_XMA)
p=xstrcat(p,(char *)"XMA,");
if (emsi_local_opts & OPT_FNC)
p=xstrcat(p,(char *)"FNC,");
if (emsi_local_opts & OPT_CHT)
p=xstrcat(p,(char *)"CHT,");
if (emsi_local_opts & OPT_SLK)
p=xstrcat(p,(char *)"SLK,");
if (emsi_local_opts & OPT_EII)
p=xstrcat(p,(char *)"EII,");
if (emsi_local_opts & OPT_DFB)
p=xstrcat(p,(char *)"DFB,");
if (emsi_local_opts & OPT_FRQ)
p=xstrcat(p,(char *)"FRQ,");
if (*(p+strlen(p)-1) == ',')
*(p+strlen(p)-1) = '}';
else
p=xstrcat(p,(char *)"}");
sprintf(cbuf,"{%X}",PRODCODE);
p=xstrcat(p,cbuf);
p=xstrcat(p,(char *)"{mbcico}{");
p=xstrcat(p,(char *)VERSION);
p=xstrcat(p,(char *)"}{");
p=xstrcat(p,(char *)__DATE__);
p=xstrcat(p,(char *)"}{IDENT}{[");
p=xstrcat(p,name?emsiencode(name):(char *)"Unknown");
p=xstrcat(p,(char *)"][");
p=xstrcat(p,emsiencode(CFG.location));
p=xstrcat(p,(char *)"][");
p=xstrcat(p,emsiencode(CFG.sysop_name));
p=xstrcat(p,(char *)"][");
p=xstrcat(p,phone?emsiencode(phone):(char *)"-Unpublished-");
p=xstrcat(p,(char *)"][");
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if ((CFG.IP_Speed) && (emsi_local_protos & PROT_TCP))
sprintf(cbuf,"%ld",CFG.IP_Speed);
else
strcpy(cbuf,"9600");
p=xstrcat(p,cbuf);
p=xstrcat(p,(char *)"][");
p=xstrcat(p,flags?emsiencode(flags):(char *)"");
p=xstrcat(p,(char *)"]}{TRX#}{[");
tt = time(NULL);
sprintf(cbuf,"%08lX",mtime2sl(tt));
p=xstrcat(p,cbuf);
p=xstrcat(p,(char *)"]}{TZUTC}{[");
p=xstrcat(p,gmtoffset(tt));
p=xstrcat(p,(char *)"]}");
sprintf(cbuf,"%04X",(unsigned int)strlen(p+12));
memcpy(p+8,cbuf,4);
emsiencode(NULL); /* Free memory */
return p;
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}
char *sel_brace(char*);
char *sel_brace(char *s)
{
static char *save;
char *p,*q;
int i;
if (s == NULL)
s=save;
for (;*s && (*s != '{');s++);
if (*s == '\0') {
save=s;
return NULL;
} else
s++;
for (p=s,q=s;*p;p++)
switch (*p) {
case '}': if (*(p+1) == '}')
*q++=*p++;
else {
*q='\0';
save=p+1;
goto exit;
}
break;
case '\\': if (*(p+1) == '\\')
*q++=*p++;
else {
sscanf(p+1,"%02x",&i);
*q++=i;
p+=2;
}
break;
default: *q++=*p;
break;
}
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exit:
return s;
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}
char *sel_bracket(char*);
char *sel_bracket(char *s)
{
static char *save;
char *p,*q;
int i;
if (s == NULL)
s=save;
for (;*s && (*s != '[');s++);
if (*s == '\0') {
save=s;
return NULL;
} else
s++;
for (p=s,q=s;*p;p++)
switch (*p) {
case ']': if (*(p+1) == ']')
*q++=*p++;
else {
*q='\0';
save=p+1;
goto exit;
}
break;
case '\\': if (*(p+1) == '\\')
*q++=*p++;
else {
sscanf(p+1,"%02x",&i);
*q++=i;
p+=2;
}
break;
default: *q++=*p;
break;
}
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exit:
return s;
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}
int scanemsidat(char *buf)
{
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fa_list **tmp, *tmpa;
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faddr *fa;
char *p, *q, *mailer_prod, *mailer_name, *mailer_version, *mailer_serial;
int dupe;
p = sel_brace(buf);
if (strcasecmp(p,"EMSI") != 0) {
Syslog('?', "This can never occur. Got \"%s\" instead of \"EMSI\"",p);
return 1;
}
p = sel_brace(NULL);
/*
* Clear remote address list, and build a new one from EMSI data
*/
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('i', "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);
}
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}
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}
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tmp = &remote;
while (*tmp) {
if (nodelock((*tmp)->addr, mypid)) {
Syslog('+', "address : %s is locked, removed from aka list",ascfnode((*tmp)->addr,0x1f));
tmpa=*tmp;
*tmp=(*tmp)->next;
free(tmpa);
} else {
/*
* With the loaded flag we prevent removing the noderecord
* when the remote presents us an address we don't know about.
*/
emsi_akas++;
Syslog('+', "address : %s",ascfnode((*tmp)->addr,0x1f));
if (!Loaded) {
if (noderecord((*tmp)->addr))
Loaded = TRUE;
}
tmp = &((*tmp)->next);
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}
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}
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if (emsi_akas) { /* Only if any aka's left */
history.aka.zone = remote->addr->zone;
history.aka.net = remote->addr->net;
history.aka.node = remote->addr->node;
history.aka.point = remote->addr->point;
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sprintf(history.aka.domain, "%s", printable(remote->addr->domain, 0));
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}
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if (emsi_remote_password)
free(emsi_remote_password);
emsi_remote_password=xstrcpy(sel_brace(NULL));
p=sel_brace(NULL);
Syslog('+', "link : %s", MBSE_SS(p));
for (q=strtok(p,",");q;q=strtok(NULL,",")) {
if (((q[0] >= '5') && (q[0] <= '8')) && ((toupper(q[1]) == 'N') || (toupper(q[1]) == 'O') ||
(toupper(q[1]) == 'E') || (toupper(q[1]) == 'S') || (toupper(q[1]) == 'M')) && ((q[2] == '1') || (q[2] == '2'))) {
strncpy(emsi_remote_comm,q,3);
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}
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else if (strcasecmp(q,"PUA") == 0) emsi_remote_lcodes |= LCODE_PUA;
else if (strcasecmp(q,"PUP") == 0) emsi_remote_lcodes |= LCODE_PUP;
else if (strcasecmp(q,"NPU") == 0) emsi_remote_lcodes |= LCODE_NPU;
else if (strcasecmp(q,"HAT") == 0) emsi_remote_lcodes |= LCODE_HAT;
else if (strcasecmp(q,"HXT") == 0) emsi_remote_lcodes |= LCODE_HXT;
else if (strcasecmp(q,"HRQ") == 0) emsi_remote_lcodes |= LCODE_HRQ;
else if (strcasecmp(q,"FNC") == 0) emsi_remote_lcodes |= LCODE_FNC;
else if (strcasecmp(q,"RMA") == 0) emsi_remote_lcodes |= LCODE_RMA;
else if (strcasecmp(q,"RH1") == 0) emsi_remote_lcodes |= LCODE_RH1;
else Syslog('+', "unrecognized EMSI link code: \"%s\"",q);
}
p=sel_brace(NULL);
Syslog('+', "comp : %s", p);
for (q=strtok(p,",");q;q=strtok(NULL,",")) {
if (strcasecmp(q,"DZA") == 0) emsi_remote_protos |= PROT_DZA;
else if (strcasecmp(q,"ZAP") == 0) emsi_remote_protos |= PROT_ZAP;
else if (strcasecmp(q,"ZMO") == 0) emsi_remote_protos |= PROT_ZMO;
else if (strcasecmp(q,"JAN") == 0) emsi_remote_protos |= PROT_JAN;
else if (strcasecmp(q,"HYD") == 0) emsi_remote_protos |= PROT_HYD;
else if (strcasecmp(q,"KER") == 0) emsi_remote_protos |= PROT_KER;
else if (strcasecmp(q,"TCP") == 0) emsi_remote_protos |= PROT_TCP;
else if (strcasecmp(q,"NCP") == 0) emsi_remote_protos = 0;
else if (strcasecmp(q,"NRQ") == 0) emsi_remote_opts |= OPT_NRQ;
else if (strcasecmp(q,"ARC") == 0) emsi_remote_opts |= OPT_ARC;
else if (strcasecmp(q,"XMA") == 0) emsi_remote_opts |= OPT_XMA;
else if (strcasecmp(q,"FNC") == 0) emsi_remote_opts |= OPT_FNC;
else if (strcasecmp(q,"CHT") == 0) emsi_remote_opts |= OPT_CHT;
else if (strcasecmp(q,"SLK") == 0) emsi_remote_opts |= OPT_SLK;
else if (strcasecmp(q,"EII") == 0) emsi_remote_opts |= OPT_EII;
else if (strcasecmp(q,"DFB") == 0) emsi_remote_opts |= OPT_DFB;
else if (strcasecmp(q,"FRQ") == 0) emsi_remote_opts |= OPT_FRQ;
else if (strcasecmp(q,"BBS") == 0) Syslog('+', "remote has BBS activity now");
else Syslog('+', "unrecognized EMSI proto/option code: \"%s\"",q);
}
if ((emsi_remote_opts & OPT_FNC) == 0)
remote_flags &= ~SESSION_FNC;
mailer_prod=sel_brace(NULL);
mailer_name=sel_brace(NULL);
mailer_version=sel_brace(NULL);
mailer_serial=sel_brace(NULL);
Syslog('+', "uses : %s [%s] version %s/%s", mailer_name, mailer_prod, mailer_version, mailer_serial);
while ((p=sel_brace(NULL))) {
if (strcasecmp(p,"IDENT") == 0) {
p=sel_brace(NULL);
Syslog('+', "system : %s",(p=sel_bracket(p)));
strncpy(history.system_name, p, 35);
Syslog('+', "location: %s",(p=sel_bracket(NULL)));
strncpy(history.location, p, 35);
Syslog('+', "operator: %s",(p=sel_bracket(NULL)));
strncpy(history.sysop, p, 35);
if (remote && remote->addr)
remote->addr->name=xstrcpy(p);
Syslog('+', "phone : %s",sel_bracket(NULL));
Syslog('+', "baud : %s",sel_bracket(NULL));
Syslog('+', "flags : %s",sel_bracket(NULL));
} else if (strcasecmp(p, "TZUTC") == 0) {
p = sel_brace(NULL);
p = sel_bracket(p);
if ((strlen(p) == 4) || (strlen(p) == 5))
Syslog('+', "timezone: %s", p);
else
Syslog('+', "TZUTC : %s", p);
} else if (strcasecmp(p,"TRX#") == 0) {
time_t tt, now;
char ctt[32];
now = time(NULL);
p=sel_brace(NULL);
p=sel_bracket(p);
if (sscanf(p,"%08lx",&tt) == 1) {
strcpy(ctt,date(sl2mtime(tt)));
Syslog('+', "time : %s",ctt);
Syslog('+', "tranx : %08lX/%08lX [%ld]", now, sl2mtime(tt), now - sl2mtime(tt));
} else
Syslog('+', "remote TRX#: %s",p);
} else if (strcasecmp(p, "TRAF") == 0) {
unsigned long tt, tt1;
p = sel_brace(NULL);
if (sscanf(p, "%08lx %08lx", &tt, &tt1) == 2) {
Syslog('+', "netmail : %u byte(s)", tt);
Syslog('+', "echomail: %u byte(s)", tt1);
} else {
Syslog('+', "TRAF : %s", p);
}
} else if (strcasecmp(p, "MOH#") == 0) {
unsigned long tt;
p = sel_brace(NULL);
p = sel_bracket(p);
if (sscanf(p, "%08lx", &tt) == 1)
Syslog('+', "on hold : %u byte(s)", tt);
else
Syslog('+', "MOH# : %s", p);
} else {
q=sel_brace(NULL);
Syslog('+', "extra : \"%s\" value: \"%s\"",p,q);
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}
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}
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return 0;
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}