This repository has been archived on 2024-04-08. You can view files and clone it, but cannot push or open issues or pull requests.
deb-mbse/mbfido/addbbs.c
2004-05-06 19:25:53 +00:00

540 lines
14 KiB
C

/*****************************************************************************
*
* $Id$
* Purpose ...............: Add TIC file to the BBS
*
*****************************************************************************
* 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/mbsedb.h"
#include "tic.h"
#include "fsort.h"
#include "addbbs.h"
extern int tic_imp;
/*
* Add file to the BBS file database and place it in the download
* directory. If it is replacing a file, a file with a matching name
* will be deleted. If there is a limit on the number of files with
* the same name pattern, the oldest files will be deleted. The
* files database will be packed if necessary. All modifications are
* done on temp files first.
*/
int Add_BBS()
{
struct FILE_recordhdr frechdr;
struct FILE_record frec;
int rc, i, Found = FALSE, Keep = 0, DidDelete = FALSE;
char temp1[PATH_MAX], temp2[PATH_MAX], *fname, *lname, *p;
fd_list *fdl = NULL;
#ifdef USE_EXPERIMENT
struct _fdbarea *fdb_area = NULL;
#else
int Insert, Done = FALSE;
char fdbname[PATH_MAX], fdbtemp[PATH_MAX];
FILE *fp, *fdt;
#endif
/*
* First check for an existing record with the same filename,
* if it exists, update the record and we are ready. This will
* prevent for example allfiles.zip to get a new record everytime
* and thus the download counters will be reset after a new update.
*/
#ifdef USE_EXPERIMENT
if ((fdb_area = mbsedb_OpenFDB(tic.FileArea, 30))) {
while (fread(&frec, frechdr.recsize, 1, fdb_area->fp) == 1) {
#else
sprintf(fdbname, "%s/fdb/file%ld.data", getenv("MBSE_ROOT"), tic.FileArea);
if ((fp = fopen(fdbname, "r+")) != NULL) {
fread(&frechdr, sizeof(frechdr), 1, fp);
while (fread(&frec, frechdr.recsize, 1, fp) == 1) {
#endif
if (strcmp(frec.Name, TIC.NewFile) == 0) {
sprintf(temp1, "%s/%s", TIC.Inbound, TIC.NewFile);
sprintf(temp2, "%s/%s", TIC.BBSpath, TIC.NewFile);
mkdirs(temp2, 0755);
if ((rc = file_cp(temp1, temp2))) {
WriteError("Copy to %s failed: %s", temp2, strerror(rc));
#ifdef USE_EXPERIMENT
mbsedb_CloseFDB(fdb_area);
#else
fclose(fp);
#endif
return FALSE;
}
chmod(temp2, 0644);
strncpy(frec.TicArea, TIC.TicIn.Area, sizeof(frec.TicArea) -1);
frec.Size = TIC.FileSize;
frec.Crc32 = TIC.Crc_Int;
frec.Announced = TRUE;
frec.FileDate = TIC.FileDate;
frec.UploadDate = time(NULL);
for (i = 0; i <= TIC.File_Id_Ct; i++) {
strcpy(frec.Desc[i], TIC.File_Id[i]);
if (i == 24)
break;
}
#ifdef USE_EXPERIMENT
if (mbsedb_LockFDB(fdb_area, 30)) {
fseek(fdb_area->fp, 0 - sizeof(frec), SEEK_CUR);
fwrite(&frec, sizeof(frec), 1, fdb_area->fp);
mbsedb_UnlockFDB(fdb_area);
}
mbsedb_CloseFDB(fdb_area);
#else
fseek(fp, 0 - sizeof(frec), SEEK_CUR);
fwrite(&frec, sizeof(frec), 1, fp);
fclose(fp);
#endif
tic_imp++;
if ((i = file_rm(temp1)))
WriteError("file_rm(%s): %s", temp1, strerror(i));
return TRUE;
}
}
#ifdef USE_EXPERIMENT
mbsedb_CloseFDB(fdb_area);
#else
fclose(fp);
#endif
}
/*
* Create filedatabase record.
*/
memset(&frec, 0, sizeof(frec));
strncpy(frec.Name, TIC.NewFile, sizeof(frec.Name) -1);
if (strlen(TIC.NewFullName)) {
strncpy(frec.LName, TIC.NewFullName, sizeof(frec.LName) -1);
} else {
/*
* No LFN, fake it with a lowercase copy of the 8.3 filename.
*/
strncpy(frec.LName, TIC.NewFile, sizeof(frec.LName) -1);
for (i = 0; i < strlen(frec.LName); i++)
frec.LName[i] = tolower(frec.LName[i]);
}
strncpy(frec.TicArea, TIC.TicIn.Area, 20);
frec.Size = TIC.FileSize;
frec.Crc32 = TIC.Crc_Int;
frec.Announced = TRUE;
sprintf(frec.Uploader, "Filemgr");
frec.UploadDate = time(NULL);
frec.FileDate = TIC.FileDate;
for (i = 0; i <= TIC.File_Id_Ct; i++) {
strcpy(frec.Desc[i], TIC.File_Id[i]);
if (i == 24)
break;
}
if (strlen(TIC.TicIn.Magic)) {
strncpy(frec.Magic, TIC.TicIn.Magic, sizeof(frec.Magic) -1);
}
sprintf(temp1, "%s/%s", TIC.Inbound, TIC.NewFile);
sprintf(temp2, "%s/%s", TIC.BBSpath, frec.Name);
mkdirs(temp2, 0755);
if ((rc = file_cp(temp1, temp2))) {
WriteError("Copy to %s failed: %s", temp2, strerror(rc));
return FALSE;
}
chmod(temp2, 0644);
/*
* If LFN = 8.3 name and is DOS 8.3 format, change the LFN to lowercase.
*/
if (strcmp(frec.Name, frec.LName) == 0) {
p = frec.LName;
while (*p) {
if (islower(*p))
Found = TRUE;
p++;
}
if (!Found) {
/*
* All uppercase, change to lowercase.
*/
tl(frec.LName);
Syslog('f', "Converted LFN to lowercase: \"%s\"", frec.LName);
}
}
Found = FALSE;
lname = calloc(PATH_MAX, sizeof(char));
sprintf(lname, "%s/%s", TIC.BBSpath, frec.LName);
if (symlink(temp2, lname)) {
WriteError("$Create link %s to %s failed", temp2, lname);
}
free(lname);
#ifdef USE_EXPERIMENT
if ((fdb_area = mbsedb_OpenFDB(tic.FileArea, 30)) == NULL)
return FALSE;
mbsedb_InsertFDB(fdb_area, frec, area.AddAlpha);
mbsedb_CloseFDB(fdb_area);
#else
sprintf(fdbtemp, "%s/fdb/file%ld.temp", getenv("MBSE_ROOT"), tic.FileArea);
if ((fp = fopen(fdbname, "r+")) == NULL) {
Syslog('+', "Fdb %s doesn't exist, creating", fdbname);
if ((fp = fopen(fdbname, "a+")) == NULL) {
WriteError("$Can't create %s", fdbname);
return FALSE;
}
frechdr.hdrsize = sizeof(frechdr);
frechdr.recsize = sizeof(frec);
fwrite(&frechdr, sizeof(frechdr), 1, fp);
chmod(fdbname, 0660);
} else {
fread(&frechdr, sizeof(frechdr), 1, fp);
}
/*
* If there are no files in this area, we append the first
* one and leave immediatly, keepnum and replace have no
* use at this point.
*/
fseek(fp, 0, SEEK_END);
if (ftell(fp) == frechdr.hdrsize) {
fwrite(&frec, sizeof(frec), 1, fp);
fclose(fp);
file_rm(temp1);
tic_imp++;
return TRUE;
}
/*
* There are already files in the area. We must now see at
* which position to insert the new file, replace or
* remove the old entry.
*/
fseek(fp, frechdr.hdrsize, SEEK_SET);
Insert = 0;
do {
if (fread(&fdb, frechdr.recsize, 1, fp) != 1)
Done = TRUE;
if (!Done) {
if (strcmp(frec.LName, fdb.LName) == 0) {
Found = TRUE;
Insert++;
} else if (strcmp(frec.LName, fdb.LName) < 0)
Found = TRUE;
else
Insert++;
}
} while ((!Found) && (!Done));
if (Found) {
if ((fdt = fopen(fdbtemp, "a+")) == NULL) {
WriteError("$Can't create %s", fdbtemp);
fclose(fp);
return FALSE;
}
fwrite(&frechdr, frechdr.hdrsize, 1, fdt);
fseek(fp, frechdr.hdrsize, SEEK_SET);
/*
* Copy entries till the insert point.
*/
for (i = 0; i < Insert; i++) {
fread(&fdb, frechdr.recsize, 1, fp);
/*
* If we see a magic that is the new magic, remove
* the old one.
*/
if (strlen(TIC.TicIn.Magic) && (strcmp(fdb.Magic, TIC.TicIn.Magic) == 0)) {
Syslog('f', "addbbs(): remove magic from %s (%s)", fdb.Name, fdb.LName);
memset(&fdb.Magic, 0, sizeof(fdb.Magic));
}
/*
* Check if we are importing a file with the same
* name, if so, don't copy the original database
* record. The file is also overwritten.
*/
if (strcmp(fdb.LName, frec.LName) != 0)
fwrite(&fdb, frechdr.recsize, 1, fdt);
}
if (area.AddAlpha) {
/*
* Insert the new entry
*/
fwrite(&frec, frechdr.recsize, 1, fdt);
}
/*
* Append the rest of the entries.
*/
while (fread(&fdb, frechdr.recsize, 1, fp) == 1) {
/*
* If we see a magic that is the new magic, remove
* the old one.
*/
if (strlen(TIC.TicIn.Magic) && (strcmp(fdb.Magic, TIC.TicIn.Magic) == 0)) {
Syslog('f', "addbbs(): remove magic from %s (%s)", fdb.Name, fdb.LName);
memset(&fdb.Magic, 0, sizeof(fdb.Magic));
}
/*
* Check if we find a file with the same name,
* then we skip the record what was origionaly
* in the database record.
*/
if (strcmp(fdb.LName, frec.LName) != 0)
fwrite(&fdb, frechdr.recsize, 1, fdt);
}
if (!area.AddAlpha) {
/*
* Append the new entry
*/
fwrite(&frec, frechdr.recsize, 1, fdt);
}
fclose(fdt);
fclose(fp);
/*
* Now make the changes for real.
*/
if (unlink(fdbname) == 0) {
rename(fdbtemp, fdbname);
} else {
WriteError("$Can't unlink %s", fdbname);
unlink(fdbtemp);
return FALSE;
}
} else {
/*
* Append the new entry
*/
fseek(fp, 0, SEEK_END);
fwrite(&frec, frechdr.recsize, 1, fp);
fclose(fp);
}
#endif
/*
* Delete file from the inbound
*/
if ((i = file_rm(temp1)))
WriteError("file_rm(%s): %s", temp1, strerror(i));
/*
* Handle the replace option.
*/
if ((strlen(TIC.TicIn.Replace)) && (tic.Replace)) {
Syslog('f', "Must Replace: %s", TIC.TicIn.Replace);
#ifdef USE_EXPERIMENT
if ((fdb_area = mbsedb_OpenFDB(tic.FileArea, 30))) {
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1) {
#else
if ((fp = fopen(fdbname, "r+")) != NULL) {
fread(&fdbhdr, sizeof(fdbhdr), 1, fp);
while (fread(&fdb, fdbhdr.recsize, 1, fp) == 1) {
#endif
if (strlen(fdb.LName) == strlen(frec.LName)) {
// FIXME: Search must be based on a reg_exp search
if (strcasecmp(fdb.LName, frec.LName) != 0) {
Found = TRUE;
for (i = 0; i < strlen(frec.LName); i++) {
if ((TIC.TicIn.Replace[i] != '?') && (toupper(TIC.TicIn.Replace[i]) != toupper(fdb.LName[i])))
Found = FALSE;
}
if (Found) {
Syslog('+', "Replace: Deleting: %s", fdb.LName);
fdb.Deleted = TRUE;
#ifdef USE_EXPERIMENT
if (mbsedb_LockFDB(fdb_area, 30)) {
fseek(fdb_area->fp , - fdbhdr.recsize, SEEK_CUR);
fwrite(&fdb, fdbhdr.recsize, 1, fdb_area->fp);
mbsedb_UnlockFDB(fdb_area);
}
#else
fseek(fp , - fdbhdr.recsize, SEEK_CUR);
fwrite(&fdb, fdbhdr.recsize, 1, fp);
#endif
DidDelete = TRUE;
}
}
}
}
#ifdef USE_EXPERIMENT
mbsedb_CloseFDB(fdb_area);
#else
fclose(fp);
#endif
}
}
/*
* Handle the Keep number of files option
*/
if (TIC.KeepNum) {
#ifdef USE_EXPERIMENT
if ((fdb_area = mbsedb_OpenFDB(tic.FileArea, 30))) {
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1) {
#else
if ((fp = fopen(fdbname, "r")) != NULL) {
fread(&fdbhdr, sizeof(fdbhdr), 1, fp);
while (fread(&fdb, fdbhdr.recsize, 1, fp) == 1) {
#endif
if ((strlen(fdb.LName) == strlen(frec.LName)) && (!fdb.Deleted)) {
Found = TRUE;
for (i = 0; i < strlen(fdb.LName); i++) {
if ((frec.LName[i] < '0') || (frec.LName[i] > '9')) {
if (frec.LName[i] != fdb.LName[i]) {
Found = FALSE;
}
}
}
if (Found) {
Keep++;
fill_fdlist(&fdl, fdb.LName, fdb.UploadDate);
}
}
}
#ifdef USE_EXPERIMENT
mbsedb_CloseFDB(fdb_area);
#else
fclose(fp);
#endif
}
/*
* If there are files to delete, mark them.
*/
if (Keep > TIC.KeepNum) {
sort_fdlist(&fdl);
#ifdef USE_EXPERIMENT
if ((fdb_area = mbsedb_OpenFDB(tic.FileArea, 30))) {
#else
if ((fp = fopen(fdbname, "r+")) != NULL) {
fread(&fdbhdr, sizeof(fdbhdr), 1, fp);
#endif
for (i = 0; i < (Keep - TIC.KeepNum); i++) {
fname = pull_fdlist(&fdl);
#ifdef USE_EXPERIMENT
fseek(fdb_area->fp, fdbhdr.hdrsize, SEEK_SET);
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1) {
#else
fseek(fp, fdbhdr.hdrsize, SEEK_SET);
while (fread(&fdb, fdbhdr.recsize, 1, fp) == 1) {
#endif
if (strcmp(fdb.LName, fname) == 0) {
Syslog('+', "Keep %d files, deleting: %s", TIC.KeepNum, fdb.LName);
fdb.Deleted = TRUE;
#ifdef USE_EXPERIMENT
if (mbsedb_LockFDB(fdb_area, 30)) {
fseek(fdb_area->fp , - fdbhdr.recsize, SEEK_CUR);
fwrite(&fdb, fdbhdr.recsize, 1, fdb_area->fp);
mbsedb_UnlockFDB(fdb_area);
}
#else
fseek(fp , - fdbhdr.recsize, SEEK_CUR);
fwrite(&fdb, fdbhdr.recsize, 1, fp);
#endif
DidDelete = TRUE;
}
}
}
#ifdef USE_EXPERIMENT
mbsedb_CloseFDB(fdb_area);
#else
fclose(fp);
#endif
}
}
tidy_fdlist(&fdl);
}
/*
* Now realy delete the marked files and clean the file
* database.
*/
if (DidDelete) {
#ifdef USE_EXPERIMENT
if ((fdb_area = mbsedb_OpenFDB(tic.FileArea, 30))) {
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1)
#else
if ((fp = fopen(fdbname, "r")) != NULL) {
fread(&fdbhdr, sizeof(fdbhdr), 1, fp);
if ((fdt = fopen(fdbtemp, "a+")) != NULL) {
fwrite(&fdbhdr, fdbhdr.hdrsize, 1, fdt);
while (fread(&fdb, fdbhdr.recsize, 1, fp) == 1)
#endif
if (!fdb.Deleted) {
#ifndef USE_EXPERIMENT
fwrite(&fdb, fdbhdr.recsize, 1, fdt);
#endif
} else {
sprintf(temp2, "%s/%s", area.Path, fdb.LName);
if (unlink(temp2) != 0)
WriteError("$Can't unlink file %s", temp2);
sprintf(temp2, "%s/%s", area.Path, fdb.Name);
if (unlink(temp2) != 0)
WriteError("$Can't unlink file %s", temp2);
sprintf(temp2, "%s/.%s", area.Path, fdb.Name);
unlink(temp2); /* Thumbnail, no logging if there is an error */
}
#ifdef USE_EXPERIMENT
mbsedb_PackFDB(fdb_area);
mbsedb_CloseFDB(fdb_area);
#else
fclose(fp);
fclose(fdt);
if (unlink(fdbname) == 0) {
rename(fdbtemp, fdbname);
} else {
WriteError("$Can't unlink %s", fdbname);
unlink(fdbtemp);
}
} else {
fclose(fp);
}
#endif
DidDelete = FALSE;
}
}
tic_imp++;
return TRUE;
}