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deb-mbse/mbcico/filelist.c

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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/libs.h"
#include "../lib/structs.h"
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#include "../lib/users.h"
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#include "../lib/records.h"
#include "../lib/clcomm.h"
#include "../lib/common.h"
#include "../lib/nodelist.h"
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#include "config.h"
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#include "shortbox.h"
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#include "session.h"
#include "filelist.h"
#ifndef PATH_MAX
#define PATH_MAX 512
#endif
extern int master;
extern int Loaded;
int made_request;
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static char *tmpkname(void);
static char *tmpkname(void)
{
static char buf[16];
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sprintf(buf,"%08lx.pkt", sequencer());
return buf;
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}
char *xtodos(char *orig)
{
char buf[13], *copy, *p;
if (orig == NULL)
return NULL;
if ((remote_flags & SESSION_FNC) == 0) {
Syslog('o', "No filename conversion for \"%s\"", MBSE_SS(orig));
return xstrcpy(orig);
}
copy = xstrcpy(orig);
if ((p = strrchr(copy,'/')))
p++;
else
p = copy;
name_mangle(p);
memset(&buf, 0, sizeof(buf));
strncpy(buf, p, 12);
Syslog('o', "name \"%s\" converted to \"%s\"", MBSE_SS(orig), MBSE_SS(buf));
free(copy);
return xstrcpy(buf);
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}
/*
* Add the specified entry to the list of files which should be sent
* to the remote system.
* 1. lst file list to add entry to
* 2. local local filename
* 3. remote remote filename
* 4. disposition disposition
* 5. floff offset of entry in flo-file (-1 if this is a flo file)
* 6. flofp FILE * of flo file
* 7. toend append to end of list
*/
void add_list(file_list **lst, char *local, char *Remote, int disposition, off_t floff, FILE *flofp, int toend)
{
file_list **tmpl, *tmp;
Syslog('o', "add_list(\"%s\",\"%s\",%d,%s)", MBSE_SS(local),MBSE_SS(Remote),disposition,toend?"to end":"to beg");
if (toend)
for (tmpl = lst; *tmpl; tmpl =&((*tmpl)->next));
else
tmpl = &tmp;
*tmpl = (file_list*)malloc(sizeof(file_list));
if (toend) {
(*tmpl)->next = NULL;
} else {
(*tmpl)->next = *lst;
*lst = *tmpl;
}
(*tmpl)->remote = xtodos(Remote);
(*tmpl)->local = xstrcpy(local);
(*tmpl)->disposition = disposition;
(*tmpl)->floff = floff;
(*tmpl)->flofp = flofp;
return;
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}
static void check_flo(file_list **, char *);
static void check_flo(file_list **lst, char *nm)
{
FILE *fp;
off_t off;
struct flock fl;
char buf[PATH_MAX], buf2[PATH_MAX], *p, *q;
int disposition;
struct stat stbuf;
if ((fp = fopen(nm,"r+")) == NULL) {
/*
* If no flo file, return.
*/
return;
}
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Syslog('o', "check_flo(\"%s\")",MBSE_SS(nm));
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fl.l_type = F_RDLCK;
fl.l_whence = 0;
fl.l_start = 0L;
fl.l_len = 0L;
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if (fcntl(fileno(fp), F_SETLK, &fl) != 0) {
if (errno != EAGAIN)
WriteError("$Can't read-lock \"%s\"", MBSE_SS(nm));
else
Syslog('o',"flo file busy");
fclose(fp);
return;
}
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if (stat(nm, &stbuf) != 0) {
WriteError("$Can't access \"%s\"", MBSE_SS(nm));
fclose(fp);
return;
}
while (!feof(fp) && !ferror(fp)) {
off = ftell(fp);
if (fgets(buf, sizeof(buf)-1, fp) == NULL)
continue;
if (buf[0] == '~')
continue; /* skip sent files */
if (*(p=buf + strlen(buf) -1) == '\n')
*p-- = '\0';
if (*p == '\r')
*p = '\0';
switch (buf[0]) {
case '#': p=buf+1; disposition=TFS; break;
case '-':
case '^': p=buf+1; disposition=KFS; break;
case '@': p=buf+1; disposition=LEAVE; break;
case 0: continue;
default: p=buf; disposition=LEAVE; break;
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}
memset(&buf2, 0, sizeof(buf2));
if (strlen(CFG.dospath)) {
if (strncasecmp(p, CFG.dospath, strlen(CFG.dospath)) == 0) {
strcpy(buf2,uxoutbound);
for (p+=strlen(CFG.dospath), q=buf2+strlen(buf2); *p; p++, q++)
*q = ((*p) == '\\')?'/':tolower(*p);
*q = '\0';
p = buf2;
}
}
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if ((q=strrchr(p,'/')))
q++;
else
q = p;
add_list(lst, p, q, disposition, off, fp, 1);
}
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/*
* Add flo file to file list
*/
add_list(lst, nm, NULL, KFS, -1L, fp, 1);
/* here, we leave .flo file open, it will be closed by */
/* execute_disposition */
return;
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}
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void check_filebox(char *, file_list *);
void check_filebox(char *boxpath, file_list *st)
{
char *temp;
DIR *dp;
struct dirent *de;
struct passwd *pw;
struct stat stbuf;
if ((dp = opendir(boxpath)) == NULL) {
Syslog('o', "\"%s\" cannot be opened, proceed", MBSE_SS(boxpath));
} else {
Syslog('o', "checking filebox \"%s\"", boxpath);
temp = calloc(PATH_MAX, sizeof(char));
pw = getpwnam((char *)"mbse");
while ((de = readdir(dp))) {
if (strcmp(de->d_name, ".") && strcmp(de->d_name, "..")) {
sprintf(temp, "%s/%s", boxpath, de->d_name);
if (stat(temp, &stbuf) == 0) {
Syslog('o' ,"checking file \"%s\"", de->d_name);
if (S_ISREG(stbuf.st_mode)) {
if (pw->pw_uid == stbuf.st_uid) {
/*
* We own the file
*/
if ((stbuf.st_mode & S_IRUSR) && (stbuf.st_mode & S_IWUSR)) {
add_list(&st, temp, de->d_name, KFS, 0L, NULL, 1);
} else {
Syslog('+', "No R/W permission on %s", temp);
}
} else if (pw->pw_gid == stbuf.st_gid) {
/*
* We own the file group
*/
if ((stbuf.st_mode & S_IRGRP) && (stbuf.st_mode & S_IWGRP)) {
add_list(&st, temp, de->d_name, KFS, 0L, NULL, 1);
} else {
Syslog('+', "No R/W permission on %s", temp);
}
} else {
/*
* No owner of file
*/
if ((stbuf.st_mode & S_IROTH) && (stbuf.st_mode & S_IWOTH)) {
add_list(&st, temp, de->d_name, KFS, 0L, NULL, 1);
} else {
Syslog('+', "No R/W permission on %s", temp);
}
}
} else {
Syslog('+', "Not a regular file %s", temp);
}
} else {
WriteError("Can't stat %s", temp);
}
}
}
closedir(dp);
free(temp);
}
}
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file_list *create_filelist(fa_list *al, char *fl, int create)
{
file_list *st = NULL, *tmpf;
fa_list *tmpa;
char flavor, *tmpfl, *nm, *temp, tmpreq[13];
struct stat stbuf;
int packets = 0;
FILE *fp;
unsigned char buffer[2];
Syslog('o', "Create_filelist(%s,\"%s\",%d)", al?ascfnode(al->addr,0x1f):"<none>", MBSE_SS(fl), create);
made_request = 0;
for (tmpa = al; tmpa; tmpa = tmpa->next) {
Syslog('o', "Check address %s", ascfnode(tmpa->addr, 0x1f));
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/*
* For the main aka, check the outbox.
*/
if ((tmpa->addr) && Loaded && strlen(nodes.OutBox) &&
(tmpa->addr->zone == nodes.Aka[0].zone) && (tmpa->addr->net == nodes.Aka[0].net) &&
(tmpa->addr->node == nodes.Aka[0].node) && (tmpa->addr->point == nodes.Aka[0].point)) {
if (nodes.Crash)
flavor = 'c';
else if (nodes.Hold)
flavor = 'h';
else
flavor = 'o';
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check_filebox(nodes.OutBox, st);
}
/*
* Check T-Mail style fileboxes
*/
temp = calloc(PATH_MAX, sizeof(char));
if (strlen(CFG.tmailshort)) {
sprintf(temp, "%s/%s", CFG.tmailshort, shortboxname(tmpa->addr));
check_filebox(temp, st);
if (strchr(fl, 'h')) {
sprintf(temp, "%s/%sh", CFG.tmailshort, shortboxname(tmpa->addr));
check_filebox(temp, st);
}
}
if (strlen(CFG.tmaillong)) {
sprintf(temp, "%s/%d.%d.%d.%d", CFG.tmaillong, tmpa->addr->zone,
tmpa->addr->net, tmpa->addr->node, tmpa->addr->point);
check_filebox(temp, st);
if (strchr(fl, 'h')) {
sprintf(temp, "%s/%d.%d.%d.%d.h", CFG.tmaillong, tmpa->addr->zone,
tmpa->addr->net, tmpa->addr->node, tmpa->addr->point);
check_filebox(temp, st);
}
}
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free(temp);
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/*
* Check spool files, these are more or less useless but they
* create a filelist of files to send which are never send.
* It gives the transfer protocols something "to do".
*/
if (strchr(fl, 'o')) {
nm = splname(tmpa->addr);
if ((fp = fopen(nm, "w")))
fclose(fp);
if ((nm != NULL) && (stat(nm, &stbuf) == 0))
add_list(&st, nm, NULL, DSF, 0L, NULL, 1);
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}
/*
* Check .pol files
*/
nm = polname(tmpa->addr);
if ((nm != NULL) && (stat(nm,&stbuf) == 0))
add_list(&st,nm,NULL,DSF,0L,NULL,1);
/*
* Check other files, all flavors
*/
tmpfl = fl;
while ((flavor = *tmpfl++)) {
Syslog('o', "Check flavor %c", flavor);
/*
* Check normal mail packets
*/
nm = pktname(tmpa->addr,flavor);
if ((nm != NULL) && (stat(nm,&stbuf) == 0)) {
Syslog('o', "found %s", nm);
packets++;
add_list(&st, nm, tmpkname(), KFS, 0L, NULL, 1);
}
/*
* Check .flo files for file attaches
*/
nm = floname(tmpa->addr,flavor);
check_flo(&st, nm);
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}
if ((session_flags & SESSION_WAZOO) &&
((session_flags & SESSION_HYDRA) == 0) && (master || ((session_flags & SESSION_IFNA) == 0))) {
/*
* we don't distinguish flavoured reqs
*/
nm = reqname(tmpa->addr);
if ((nm != NULL) && (stat(nm, &stbuf) == 0)) {
sprintf(tmpreq, "%04X%04X.REQ", tmpa->addr->net, tmpa->addr->node);
add_list(&st, nm, tmpreq, DSF, 0L, NULL, 1);
made_request = 1;
}
}
}
Syslog('o', "B4 FTS-0001 checkpoint");
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/*
* For FTS-0001 we need to create at least one packet.
*/
if (((st == NULL) && (create > 1)) || ((st != NULL) && (packets == 0) && (create > 0))) {
Syslog('o', "Create packet for %s", ascfnode(al->addr,0x1f));
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if ((fp = openpkt(NULL, al->addr, 'o', TRUE))) {
memset(&buffer, 0, sizeof(buffer));
fwrite(buffer, 1, 2, fp);
fclose(fp);
}
add_list(&st, pktname(al->addr,'o'), tmpkname(), KFS, 0L, NULL, 0);
}
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for (tmpf = st; tmpf; tmpf = tmpf->next)
Syslog('o',"flist: \"%s\" -> \"%s\" dsp:%d flofp:%lu floff:%lu",
MBSE_SS(tmpf->local), MBSE_SS(tmpf->remote), tmpf->disposition,
(unsigned long)tmpf->flofp, (unsigned long)tmpf->floff);
return st;
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}
/*
* Create file request list for the Hydra or Binkp protocol.
*/
file_list *create_freqlist(fa_list *al)
{
file_list *st = NULL, *tmpf;
fa_list *tmpa;
char *nm, tmpreq[13];
struct stat stbuf;
Syslog('o', "create_freqlist(%s)", al?ascfnode(al->addr, 0x1f):"<none>");
made_request = 0;
for (tmpa = al; tmpa; tmpa = tmpa->next) {
nm = reqname(tmpa->addr);
if ((nm != NULL) && (stat(nm, &stbuf) == 0)) {
sprintf(tmpreq, "%04X%04X.REQ", tmpa->addr->net, tmpa->addr->node);
add_list(&st, nm, tmpreq, DSF, 0L, NULL, 1);
made_request = 1;
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}
}
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if (made_request) {
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for (tmpf = st; tmpf; tmpf = tmpf->next)
Syslog('o', "flist: \"%s\" -> \"%s\" dsp:%d flofp:%lu floff:%lu",
MBSE_SS(tmpf->local), MBSE_SS(tmpf->remote), tmpf->disposition, tmpf->flofp, tmpf->floff);
}
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return st;
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}
void tidy_filelist(file_list *fl, int dsf)
{
file_list *tmp;
if (fl == NULL)
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return;
for (tmp=fl;fl;fl=tmp) {
tmp=fl->next;
if (dsf && (fl->disposition == DSF)) {
Syslog('o',"Removing sent file \"%s\"",MBSE_SS(fl->local));
if (unlink(fl->local) != 0) {
if (errno == ENOENT)
Syslog('o',"Cannot unlink nonexistent file \"%s\"", MBSE_SS(fl->local));
else
WriteError("$Cannot unlink file \"%s\"", MBSE_SS(fl->local));
}
}
if (fl->local)
free(fl->local);
if (fl->remote)
free(fl->remote);
else if (fl->flofp)
fclose(fl->flofp);
free(fl);
}
return;
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}
void execute_disposition(file_list *fl)
{
FILE *fp=NULL;
char *nm, tpl='~';
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Syslog('o', "execute_disposition(%s)", fl->local);
nm = fl->local;
if (fl->flofp) {
/*
* Check for special case: flo-file
*/
if (fl->floff == -1) {
/*
* We check if there are any files left for transmission
* in the flo-file to decide whether to remove or leave
* it on disk.
*/
char buf[PATH_MAX];
int files_remain = 0;
if (fseek(fl->flofp, 0L, 0) == 0) {
while (!feof(fl->flofp) && !ferror(fl->flofp)) {
if (fgets(buf, sizeof(buf)-1, fl->flofp) == NULL)
continue;
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/*
* Count nr of files which haven't been sent yet
*/
if (buf[0] != '~')
files_remain++;
}
} else {
WriteError("$Error seeking in .flo to 0");
files_remain = -1; /* Keep flo-file */
}
if (files_remain) {
Syslog('o', "Leaving flo-file \"%s\", %d files remaining", MBSE_SS(nm), files_remain);
fl->disposition = LEAVE;
} else {
fl->disposition = KFS;
}
} else {
/*
* Mark files as sent in flo-file
*/
if (fseek(fl->flofp, fl->floff, 0) == 0) {
if (fwrite(&tpl,1,1,fl->flofp) != 1) {
WriteError("$Error writing '~' to .flo at %lu", (unsigned long)fl->floff);
}
fflush(fl->flofp);
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#ifdef HAVE_FDATASYNC
fdatasync(fileno(fl->flofp));
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#else
#ifdef HAVE_FSYNC
fsync(fileno(fl->flofp));
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#endif
#endif
} else
WriteError("$error seeking in .flo to %lu", (unsigned long)fl->floff);
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}
}
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switch (fl->disposition) {
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case DSF:
case LEAVE: break;
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case TFS: Syslog('o', "Truncating sent file \"%s\"",MBSE_SS(nm));
if ((fp=fopen(nm,"w")))
fclose(fp);
else
WriteError("$Cannot truncate file \"%s\"",MBSE_SS(nm));
break;
case KFS: Syslog('o', "Removing sent file \"%s\"",MBSE_SS(nm));
if (unlink(nm) != 0) {
if (errno == ENOENT)
Syslog('o', "Cannot unlink nonexistent file \"%s\"", MBSE_SS(nm));
else
WriteError("$Cannot unlink file \"%s\"", MBSE_SS(nm));
}
break;
default: WriteError("execute_disposition: unknown disp %d for \"%s\"", fl->disposition,MBSE_SS(nm));
break;
}
return;
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}
char *transfertime(struct timeval start, struct timeval end, long bytes, int sent)
{
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static char resp[81];
double long startms, endms, elapsed;
startms = (start.tv_sec * 1000) + (start.tv_usec / 1000);
endms = (end.tv_sec * 1000) + (end.tv_usec / 1000);
elapsed = endms - startms;
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memset(&resp, 0, sizeof(resp));
if (!elapsed)
elapsed = 1L;
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if (bytes > 1000000)
sprintf(resp, "%ld bytes %s in %0.3Lf seconds (%0.3Lf Kb/s)",
bytes, sent?"sent":"received", elapsed / 1000.000, ((bytes / elapsed) * 1000) / 1024);
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else
sprintf(resp, "%ld bytes %s in %0.3Lf seconds (%0.3Lf Kb/s)",
bytes, sent?"sent":"received", elapsed / 1000.000, ((bytes * 1000) / elapsed) / 1024);
return resp;
}
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char *compress_stat(long original, long saved)
{
static char resp[81];
sprintf(resp, "compressed %ld bytes, compression %0.1f%%", saved, ((saved * 100.0) / original));
return resp;
}