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22f65f8e92
deb-mbse/mbfido/mbfindex.c
Michiel Broek 03c4291cf0 Fixed html download problems with long filenames
2004-06-07 11:49:11 +00:00

763 lines
20 KiB
C
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/*****************************************************************************
*
* $Id$
* Purpose: File Database Maintenance - Build index for request processor
*
*****************************************************************************
* 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 "../lib/diesel.h"
#include "mbfutil.h"
#include "mbfindex.h"
extern int do_quiet; /* Suppress screen output */
int lastfile; /* Last file number */
long gfilepos = 0; /* Global file position */
int TotalHtml = 0; /* Total html files */
int AreasHtml = 0; /* Total html areas */
typedef struct _Index {
struct _Index *next;
struct FILEIndex idx;
} Findex;
static char *wdays[]= {(char *)"Sun",(char *)"Mon",(char *)"Tue",
(char *)"Wed",(char *)"Thu",(char *)"Fri",
(char *)"Sat"};
static char *months[]= {(char *)"Jan",(char *)"Feb",(char *)"Mar",
(char *)"Apr",(char *)"May",(char *)"Jun",
(char *)"Jul",(char *)"Aug",(char *)"Sep",
(char *)"Oct",(char *)"Nov",(char *)"Dec"};
/*
* Translate a string from ANSI to safe HTML characters
*/
char *To_Html(char *);
char *To_Html(char *inp)
{
static char temp[256];
int i;
char *xl;
memset(&temp, 0, sizeof(temp));
for (i = 0; i < strlen(inp); i++) {
if (inp[i] & 0x80) {
if ((xl = charset_map_c(inp[i], FALSE))) {
while (*xl) {
temp[i] = *xl++;
if (*xl)
i++;
}
}
} else
temp[i] = inp[i];
}
return temp;
}
void tidy_index(Findex **);
void tidy_index(Findex **fap)
{
Findex *tmp, *old;
for (tmp = *fap; tmp; tmp = old) {
old = tmp->next;
free(tmp);
}
*fap = NULL;
}
void fill_index(struct FILEIndex, Findex **);
void fill_index(struct FILEIndex idx, Findex **fap)
{
Findex *tmp;
tmp = (Findex *)malloc(sizeof(Findex));
tmp->next = *fap;
tmp->idx = idx;
*fap = tmp;
}
int comp_index(Findex **, Findex **);
void sort_index(Findex **);
void sort_index(Findex **fap)
{
Findex *ta, **vector;
size_t n = 0, i;
if (*fap == NULL)
return;
for (ta = *fap; ta; ta = ta->next)
n++;
vector = (Findex **)malloc(n * sizeof(Findex *));
i = 0;
for (ta = *fap; ta; ta = ta->next)
vector[i++] = ta;
qsort(vector, n, sizeof(Findex *),
(int(*)(const void*, const void *))comp_index);
(*fap) = vector[0];
i = 1;
for (ta = *fap; ta; ta = ta->next) {
if (i < n)
ta->next = vector[i++];
else
ta->next = NULL;
}
free(vector);
return;
}
int comp_index(Findex **fap1, Findex **fap2)
{
return strcasecmp((*fap1)->idx.LName, (*fap2)->idx.LName);
}
void MacroRead(FILE *, FILE *);
void MacroRead(FILE *fi, FILE *fp)
{
char *line, *temp;
int res, i;
line = calloc(MAXSTR, sizeof(char));
temp = calloc(MAXSTR, sizeof(char));
while ((fgets(line, MAXSTR-2, fi) != NULL) && ((line[0]!='@') || (line[1]!='|'))) {
/*
* Skip comment lines
*/
if (line[0] != '#') {
Striplf(line);
if (strlen(line) == 0) {
/*
* Empty lines are just written
*/
fputc('\n', fp);
} else {
strncpy(temp, ParseMacro(line,&res), MAXSTR-1);
if (res)
Syslog('!', "Macro error line: \"%s\"", line);
/*
* Only output if something was evaluated
*/
if (strlen(temp)) {
for (i = 0; i < strlen(temp); i++)
fputc(temp[i], fp);
fputc('\n', fp);
}
}
}
}
free(line);
free(temp);
gfilepos = ftell(fi);
}
char *rfcdate(time_t);
char *rfcdate(time_t now)
{
static char buf[40];
struct tm ptm;
ptm = *gmtime(&now);
sprintf(buf,"%s, %02d %s %04d %02d:%02d:%02d GMT",
wdays[ptm.tm_wday], ptm.tm_mday, months[ptm.tm_mon],
ptm.tm_year + 1900, ptm.tm_hour, ptm.tm_min, ptm.tm_sec);
return(buf);
}
/*
* Create the macro's for the navigation bar.
*/
void pagelink(FILE *, char *, int, int);
void pagelink(FILE *fa, char *Path, int inArea, int Current)
{
char temp[256], nr[25];
if ((Current >= CFG.www_files_page) && (inArea >= CFG.www_files_page)) {
if (((Current / CFG.www_files_page) - 1) > 0) {
sprintf(nr, "%d", (Current / CFG.www_files_page) -1);
} else {
nr[0] = '\0';
}
sprintf(temp, "%s/%s%s/index%s.html", CFG.www_url, CFG.www_link2ftp, Path+strlen(CFG.ftp_base), nr);
MacroVars("c", "s", temp);
} else {
MacroVars("c", "s", "");
}
if ((Current < (inArea - CFG.www_files_page)) && (inArea >= CFG.www_files_page)) {
sprintf(temp, "%s/%s%s/index%d.html", CFG.www_url, CFG.www_link2ftp, Path+strlen(CFG.ftp_base),
(Current / CFG.www_files_page) + 1);
MacroVars("d", "s", temp);
} else {
MacroVars("d", "s", "");
}
}
/*
* Start a new file areas page
*/
FILE *newpage(char *, char *, time_t, int, int, FILE *);
FILE *newpage(char *Path, char *Name, time_t later, int inArea, int Current, FILE *fi)
{
char linebuf[1024], outbuf[1024];
static FILE* fa;
lastfile = Current;
if (Current)
sprintf(linebuf, "%s/index%d.temp", Path, Current / CFG.www_files_page);
else
sprintf(linebuf, "%s/index.temp", Path);
if ((fa = fopen(linebuf, "w")) == NULL) {
WriteError("$Can't create %s", linebuf);
} else {
sprintf(linebuf, "%s", Name);
html_massage(linebuf, outbuf);
MacroVars("ab", "ss", rfcdate(later), outbuf);
pagelink(fa, Path, inArea, Current);
MacroRead(fi, fa);
return fa;
}
return NULL;
}
/*
* Finish a files area page
*/
void closepage(FILE *, char *, int, int, FILE *);
void closepage(FILE *fa, char *Path, int inArea, int Current, FILE *fi)
{
char *temp1, *temp2;
if (fa == NULL)
return;
temp1 = calloc(PATH_MAX, sizeof(char));
temp2 = calloc(PATH_MAX, sizeof(char));
MacroRead(fi, fa);
fclose(fa);
if (lastfile) {
sprintf(temp1, "%s/index%d.html", Path, lastfile / CFG.www_files_page);
sprintf(temp2, "%s/index%d.temp", Path, lastfile / CFG.www_files_page);
} else {
sprintf(temp1, "%s/index.html", Path);
sprintf(temp2, "%s/index.temp", Path);
}
rename(temp2, temp1);
chmod(temp1, 0644);
free(temp1);
free(temp2);
fa = NULL;
}
void ReqIndex(void);
void ReqIndex(void)
{
FILE *pAreas, *pIndex, *fp;
unsigned long i, iAreas, iAreasNew = 0, record;
int iTotal = 0, j, z, x = 0;
int fbAreas = 0, fbFiles = 0;
char *sAreas, *newdir = NULL, *sIndex, *temp;
Findex *fdx = NULL;
Findex *tmp;
struct FILEIndex idx;
struct _fdbarea *fdb_area = NULL;
IsDoing("Index files");
if (!do_quiet) {
colour(3, 0);
printf("Create index files...\n");
}
sAreas = calloc(PATH_MAX, sizeof(char));
sIndex = calloc(PATH_MAX, sizeof(char));
temp = calloc(PATH_MAX, sizeof(char));
sprintf(sAreas, "%s/etc/fareas.data", getenv("MBSE_ROOT"));
if ((pAreas = fopen (sAreas, "r")) == NULL) {
WriteError("$Can't open %s", sAreas);
die(MBERR_INIT_ERROR);
}
sprintf(sIndex, "%s/etc/request.index", getenv("MBSE_ROOT"));
if ((pIndex = fopen(sIndex, "w")) == NULL) {
WriteError("$Can't create %s", sIndex);
die(MBERR_GENERAL);
}
fread(&areahdr, sizeof(areahdr), 1, pAreas);
fseek(pAreas, 0, SEEK_END);
iAreas = (ftell(pAreas) - areahdr.hdrsize) / areahdr.recsize;
for (i = 1; i <= iAreas; i++) {
fseek(pAreas, ((i-1) * areahdr.recsize) + areahdr.hdrsize, SEEK_SET);
fread(&area, areahdr.recsize, 1, pAreas);
if (area.Available) {
if (enoughspace(CFG.freespace) == 0)
die(MBERR_DISK_FULL);
if (!do_quiet) {
printf("\r%4ld => %-44s \b\b\b\b", i, area.Name);
fflush(stdout);
}
/*
* Check if download directory exists,
* if not, create the directory.
*/
if (access(area.Path, W_OK) == -1) {
Syslog('!', "Create dir: %s", area.Path);
newdir = xstrcpy(area.Path);
newdir = xstrcat(newdir, (char *)"/");
mkdirs(newdir, 0755);
free(newdir);
newdir = NULL;
}
if ((fdb_area = mbsedb_OpenFDB(i, 30)) == NULL)
die(MBERR_GENERAL);
/*
* Create file request index if requests are allowed in this area.
*/
if (area.FileReq) {
/*
* Now start creating the unsorted index.
*/
record = 0;
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1) {
iTotal++;
if ((iTotal % 10) == 0)
Marker();
memset(&idx, 0, sizeof(idx));
sprintf(idx.Name, "%s", tu(fdb.Name));
sprintf(idx.LName, "%s", tu(fdb.LName));
idx.AreaNum = i;
idx.Record = record;
fill_index(idx, &fdx);
record++;
}
iAreasNew++;
} /* if area.Filereq */
/*
* Create files.bbs
*/
if (strlen(area.FilesBbs))
strcpy(temp, area.FilesBbs);
else
sprintf(temp, "%s/files.bbs", area.Path);
if ((fp = fopen(temp, "w")) == NULL) {
WriteError("$Can't create %s", temp);
} else {
fbAreas++;
fseek(fdb_area->fp, fdbhdr.hdrsize, SEEK_SET);
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1) {
if (!fdb.Deleted) {
fbFiles++;
fprintf(fp, "%-12s [%ld] %s\r\n", fdb.Name, fdb.TimesDL, fdb.Desc[0]);
for (j = 1; j < 25; j++)
if (strlen(fdb.Desc[j]))
fprintf(fp, " +%s\r\n", fdb.Desc[j]);
}
}
fclose(fp);
chmod(temp, 0644);
}
/*
* Create 00index file.
*/
if (!area.CDrom && (strncmp(CFG.ftp_base, area.Path, strlen(CFG.ftp_base)) == 0)) {
sprintf(temp, "%s/00index", area.Path);
if ((fp = fopen(temp, "w")) == NULL) {
WriteError("$Can't create %s", temp);
} else {
fseek(fdb_area->fp, fdbhdr.hdrsize, SEEK_SET);
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1) {
if (!fdb.Deleted) {
/*
* The next is to reduce system load
*/
x++;
if (CFG.slow_util && do_quiet && ((x % 3) == 0))
msleep(1);
for (z = 0; z <= 25; z++) {
if (strlen(fdb.Desc[z])) {
if (z == 0)
fprintf(fp, "%-12s %7luK %s ", fdb.Name, (long)(fdb.Size / 1024),
StrDateDMY(fdb.UploadDate));
else
fprintf(fp, " ");
if ((fdb.Desc[z][0] == '@') && (fdb.Desc[z][1] == 'X'))
fprintf(fp, "%s\n", fdb.Desc[z]+4);
else
fprintf(fp, "%s\n", fdb.Desc[z]);
}
}
}
}
fclose(fp);
chmod(temp, 0644);
}
}
mbsedb_CloseFDB(fdb_area);
}
}
fclose(pAreas);
sort_index(&fdx);
for (tmp = fdx; tmp; tmp = tmp->next)
fwrite(&tmp->idx, sizeof(struct FILEIndex), 1, pIndex);
fclose(pIndex);
tidy_index(&fdx);
Syslog('+', "Index Areas [%5d] Files [%5d]", iAreasNew, iTotal);
Syslog('+', "Files Areas [%5d] Files [%5d]", fbAreas, fbFiles);
free(sAreas);
free(sIndex);
free(temp);
}
/*
* Build a sorted index for the file request processor.
* Build html index pages for download.
*/
void HtmlIndex(char *);
void HtmlIndex(char *Lang)
{
FILE *pAreas, *fa, *fb = NULL, *fm, *fi = NULL;
unsigned long i, iAreas, KSize = 0L, aSize = 0;
int AreaNr = 0, j, k, x = 0;
int aTotal = 0, inArea = 0, filenr;
char *sAreas, *fn;
char linebuf[1024], outbuf[1024], desc[6400];
time_t last = 0L, later;
long fileptr = 0, fileptr1 = 0;
struct _fdbarea *fdb_area = NULL;
sAreas = calloc(PATH_MAX, sizeof(char));
fn = calloc(PATH_MAX, sizeof(char));
AreasHtml = 0;
TotalHtml = 0;
later = time(NULL) + 86400;
IsDoing("Create html");
if (!do_quiet) {
colour(3, 0);
printf("\rCreate html pages... \n");
}
sprintf(sAreas, "%s/etc/fareas.data", getenv("MBSE_ROOT"));
if ((pAreas = fopen (sAreas, "r")) == NULL) {
WriteError("$Can't open %s", sAreas);
die(MBERR_INIT_ERROR);
}
fread(&areahdr, sizeof(areahdr), 1, pAreas);
fseek(pAreas, 0, SEEK_END);
iAreas = (ftell(pAreas) - areahdr.hdrsize) / areahdr.recsize;
/*
* Check if we are able to create the index.html pages in the
* download directories.
*/
if (strlen(CFG.ftp_base) && strlen(CFG.www_url) && strlen(CFG.www_author) && strlen(CFG.www_charset)) {
sprintf(fn, "%s/index.temp", CFG.ftp_base);
if ((fm = fopen(fn, "w")) == NULL) {
Syslog('+', "Can't open %s, skipping html pages creation", fn);
}
} else {
fm = NULL;
Syslog('+', "FTP/HTML not defined, skipping html pages creation");
}
if (fm) {
if ((fi = OpenMacro("html.main", 'E', TRUE)) == NULL) {
Syslog('+', "Can't open macro file, skipping html pages creation");
fclose(fm);
unlink(fn);
}
}
if (fm) {
/*
* Because these web pages are dynamic, ie. they change everytime you
* receive new files and recreates these pages, extra HTTP headers are
* send to the client about these pages. It forbids proxy servers to
* cache these pages. The pages will expire within 24 hours. The pages
* also have an author name, this is the bbs name, and a content
* description for search engines. Automatic advertising.
*/
MacroVars("acd", "sdd", rfcdate(later), 0, 0);
MacroRead(fi, fm);
fileptr = ftell(fi);
}
/*
* Setup the correct tabel to produce file listings for the www.
*/
charset_set_in_out((char *)"x-ibmpc", (char *)"iso-8859-1");
for (i = 1; i <= iAreas; i++) {
fseek(pAreas, ((i-1) * areahdr.recsize) + areahdr.hdrsize, SEEK_SET);
fread(&area, areahdr.recsize, 1, pAreas);
AreaNr++;
if (area.Available) {
if (enoughspace(CFG.freespace) == 0)
die(MBERR_DISK_FULL);
if (!do_quiet) {
printf("\r%4ld => %-44s \b\b\b\b", i, area.Name);
fflush(stdout);
}
if ((fdb_area = mbsedb_OpenFDB(i, 30)) == NULL)
die(MBERR_GENERAL);
/*
* Create index.html pages in each available download area.
*/
if (!area.CDrom && fm && (strncmp(CFG.ftp_base, area.Path, strlen(CFG.ftp_base)) == 0)) {
fseek(fdb_area->fp, fdbhdr.hdrsize, SEEK_SET);
AreasHtml++;
inArea = 0;
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1) {
if (!fdb.Deleted)
inArea++;
}
fseek(fdb_area->fp, fdbhdr.hdrsize, SEEK_SET);
aSize = 0L;
aTotal = 0;
last = 0L;
if ((fb = OpenMacro("html.areas", 'E', TRUE)) == NULL) {
fa = NULL;
} else {
fa = newpage(area.Path, area.Name, later, inArea, aTotal, fb);
fileptr1 = gfilepos;
}
while (fread(&fdb, fdbhdr.recsize, 1, fdb_area->fp) == 1) {
if (!fdb.Deleted) {
/*
* The next is to reduce system load
*/
x++;
TotalHtml++;
aTotal++;
if (CFG.slow_util && do_quiet && ((x % 3) == 0))
msleep(1);
MacroVars("efghijklm", "ddsssssds", 0, 0, "", "", "", "", "", 0, "");
MacroVars("e", "d", aTotal);
/*
* Check if this is a .gif or .jpg file, if so then
* check if a thumbnail file exists. If not try to
* create a thumbnail file to add to the html listing.
*/
if (strstr(fdb.LName, ".gif") || strstr(fdb.LName, ".jpg") ||
strstr(fdb.LName, ".GIF") || strstr(fdb.LName, ".JPG")) {
sprintf(linebuf, "%s/%s", area.Path, fdb.Name);
sprintf(outbuf, "%s/.%s", area.Path, fdb.Name);
if (file_exist(outbuf, R_OK)) {
if ((j = execute_str(CFG.www_convert, linebuf, outbuf,
(char *)"/dev/null", (char *)"/dev/null", (char *)"/dev/null"))) {
Syslog('+', "Failed to create thumbnail for %s, rc=% d", fdb.Name, j);
} else {
chmod(outbuf, 0644);
}
}
sprintf(outbuf, "%s/%s%s/%s", CFG.www_url, CFG.www_link2ftp,
area.Path+strlen(CFG.ftp_base), fdb.LName);
sprintf(linebuf, "%s/%s%s/.%s", CFG.www_url, CFG.www_link2ftp,
area.Path+strlen(CFG.ftp_base), fdb.LName);
MacroVars("fghi", "dsss", 1, outbuf, fdb.LName, linebuf);
} else {
sprintf(outbuf, "%s/%s%s/%s", CFG.www_url, CFG.www_link2ftp,
area.Path+strlen(CFG.ftp_base), fdb.LName);
MacroVars("fghi", "dsss", 0, outbuf, fdb.LName, "");
}
sprintf(outbuf, "%lu Kb.", (long)(fdb.Size / 1024));
MacroVars("jkl", "ssd", StrDateDMY(fdb.FileDate), outbuf, fdb.TimesDL);
memset(&desc, 0, sizeof(desc));
k = 0;
for (j = 0; j < 25; j++)
if (strlen(fdb.Desc[j])) {
if (j) {
sprintf(desc+k, "\n");
k += 1;
}
sprintf(linebuf, "%s", To_Html(fdb.Desc[j]));
html_massage(linebuf, outbuf);
sprintf(desc+k, "%s", outbuf);
k += strlen(outbuf);
}
MacroVars("m", "s", desc);
fseek(fb, fileptr1, SEEK_SET);
MacroRead(fb, fa);
aSize += fdb.Size;
MacroVars("efghijklm", "ddsssssds", 0, 0, "", "", "", "", "", 0, "");
if (fdb.FileDate > last)
last = fdb.FileDate;
if ((aTotal % CFG.www_files_page) == 0) {
closepage(fa, area.Path, inArea, aTotal, fb);
fseek(fb, 0, SEEK_SET);
fa = newpage(area.Path, area.Name, later, inArea, aTotal, fb);
}
} /* if (!file.deleted) */
}
if (aTotal == 0) {
/*
* Nothing written, skip skip fileblock
*/
while ((fgets(linebuf, 254, fb) != NULL) && ((linebuf[0]!='@') || (linebuf[1]!='|')));
}
KSize += aSize / 1024;
closepage(fa, area.Path, inArea, aTotal, fb);
fclose(fb);
/*
* If the time before there were more files in this area then now,
* the number of html pages may de decreased. We try to delete these
* files if they should exist.
*/
filenr = lastfile / CFG.www_files_page;
while (TRUE) {
filenr++;
sprintf(linebuf, "%s/index%d.html", area.Path, filenr);
if (unlink(linebuf))
break;
Syslog('+', "Removed obsolete %s", linebuf);
}
sprintf(linebuf, "%s/%s%s/index.html", CFG.www_url, CFG.www_link2ftp, area.Path+strlen(CFG.ftp_base));
if (aSize > 1048576)
sprintf(outbuf, "%ld Mb.", aSize / 1048576);
else
sprintf(outbuf, "%ld Kb.", aSize / 1024);
MacroVars("efghi", "dssds", AreaNr, linebuf, area.Name, aTotal, outbuf);
if (last == 0L)
MacroVars("j", "s", "&nbsp;");
else
MacroVars("j", "s", StrDateDMY(last));
fseek(fi, fileptr, SEEK_SET);
MacroRead(fi, fm);
}
mbsedb_CloseFDB(fdb_area);
} /* if area.Available */
}
if (fm) {
sprintf(linebuf, "%ld Mb.", KSize / 1024);
MacroVars("cd", "ds", TotalHtml, linebuf);
MacroRead(fi, fm);
fclose(fi);
MacroClear();
fclose(fm);
sprintf(linebuf, "%s/index.html", CFG.ftp_base);
rename(fn, linebuf);
chmod(linebuf, 0644);
}
fclose(pAreas);
if (!do_quiet) {
printf("\r \r");
fflush(stdout);
}
free(sAreas);
free(fn);
RemoveSema((char *)"reqindex");
}
void Index(void)
{
ReqIndex();
HtmlIndex(NULL);
Syslog('+', "HTML Areas [%5d] Files [%5d]", AreasHtml, TotalHtml);
}
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