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35f7a11f6a
deb-mbse/mbfido/mbfindex.c
Michiel Broek cfedf5d784 Corrected a spelling error, mostly in comment lines
2002-06-19 20:31:35 +00:00

701 lines
19 KiB
C
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/*****************************************************************************
*
* $Id$
* Purpose: File Database Maintenance - Build index for request processor
*
*****************************************************************************
* Copyright (C) 1997-2002
*
* 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, 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************************/
#include "../lib/libs.h"
#include "../lib/structs.h"
#include "../lib/users.h"
#include "../lib/records.h"
#include "../lib/common.h"
#include "../lib/clcomm.h"
#include "../lib/dbcfg.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 */
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"};
/*
* Translation table from Hi-USA-ANSI to low ASCII and HTML codes,
*/
char htmltab[] = {
"\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017"
"\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
"\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057"
"\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077"
"\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117"
"\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137"
"\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157"
"\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177"
"\103\374\351\342\344\340\345\143\352\353\350\357\357\354\304\305" /* done */
"\311\346\306\364\366\362\374\371\171\326\334\244\243\245\120\146" /* done */
"\341\355\363\372\361\321\141\157\277\055\055\275\274\241\074\076" /* done */
"\043\043\043\174\053\053\053\053\053\043\174\043\043\053\053\053" /* done */
"\053\053\053\053\053\053\053\053\043\043\043\043\043\075\043\053" /* done */
"\053\053\053\053\053\053\053\053\053\053\053\043\043\043\043\043" /* done */
"\141\102\114\156\105\157\265\370\060\060\060\157\070\330\145\156" /* doesn't look good */
"\075\261\076\074\146\146\367\075\260\267\267\126\262\262\267\040" /* almost */
};
/*
* Translate a string from ANSI to safe HTML characters
*/
char *To_Html(char *);
char *To_Html(char *inp)
{
static char temp[256];
int i;
memset(&temp, 0, sizeof(temp));
strncpy(temp, inp, 80);
for (i = 0; i < strlen(temp); i++)
temp[i] = htmltab[temp[i] & 0xff];
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 *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("$Can't create %s", linebuf);
} else {
sprintf(linebuf, "%s", Name);
html_massage(linebuf, outbuf);
MacroVars("ab", "ss", rfcdate(later), outbuf);
pagelink(fa, Path, inArea, Current);
MacroRead(fi, fa);
return fa;
}
return NULL;
}
/*
* Finish a files area page
*/
void closepage(FILE *, char *, int, int, FILE *);
void closepage(FILE *fa, char *Path, int inArea, int Current, FILE *fi)
{
char *temp1, *temp2;
if (fa == NULL)
return;
temp1 = calloc(PATH_MAX, sizeof(char));
temp2 = calloc(PATH_MAX, sizeof(char));
MacroRead(fi, fa);
fclose(fa);
if (lastfile) {
sprintf(temp1, "%s/index%d.html", Path, lastfile / CFG.www_files_page);
sprintf(temp2, "%s/index%d.temp", Path, lastfile / CFG.www_files_page);
} else {
sprintf(temp1, "%s/index.html", Path);
sprintf(temp2, "%s/index.temp", Path);
}
rename(temp2, temp1);
free(temp1);
free(temp2);
chmod(temp1, 0644);
fa = NULL;
}
/*
* Build a sorted index for the file request processor.
* Build html index pages for download.
*/
void Index(void)
{
FILE *pAreas, *pFile, *pIndex, *fa, *fb = NULL, *fm, *fp, *fi = NULL;
unsigned long i, iAreas, iAreasNew = 0, record, KSize = 0L, aSize = 0;
int iTotal = 0, AreaNr = 0, j, k, z, x = 0, Areas = 0;
int Total = 0, aTotal = 0, inArea = 0, filenr;
int fbAreas = 0, fbFiles = 0;
char *sAreas, *fAreas, *newdir = NULL, *sIndex, *fn, *temp;
char linebuf[1024], outbuf[1024], desc[6400];
time_t last = 0L, later;
Findex *fdx = NULL;
Findex *tmp;
struct FILEIndex idx;
long fileptr = 0, fileptr1 = 0;
sAreas = calloc(PATH_MAX, sizeof(char));
fAreas = calloc(PATH_MAX, sizeof(char));
sIndex = calloc(PATH_MAX, sizeof(char));
fn = calloc(PATH_MAX, sizeof(char));
temp = calloc(PATH_MAX, sizeof(char));
later = time(NULL) + 86400;
IsDoing("Index files");
if (!do_quiet) {
colour(3, 0);
printf("Create index files...\n");
}
sprintf(sAreas, "%s/etc/fareas.data", getenv("MBSE_ROOT"));
if ((pAreas = fopen (sAreas, "r")) == NULL) {
WriteError("$Can't open %s", sAreas);
die(0);
}
sprintf(sIndex, "%s/etc/request.index", getenv("MBSE_ROOT"));
if ((pIndex = fopen(sIndex, "w")) == NULL) {
WriteError("$Can't create %s", sIndex);
die(0);
}
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);
}
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 (!diskfree(CFG.freespace))
die(101);
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;
}
sprintf(fAreas, "%s/fdb/fdb%ld.data", getenv("MBSE_ROOT"), i);
/*
* Open the file database, if it doesn't exist,
* create an empty one.
*/
if ((pFile = fopen(fAreas, "r+")) == NULL) {
Syslog('!', "Creating new %s", fAreas);
if ((pFile = fopen(fAreas, "a+")) == NULL) {
WriteError("$Can't create %s", fAreas);
die(0);
}
}
/*
* Create file request index if requests are allowed in this area.
*/
if (area.FileReq) {
/*
* Now start creating the unsorted index.
*/
record = 0;
while (fread(&file, sizeof(file), 1, pFile) == 1) {
iTotal++;
if ((iTotal % 10) == 0)
Marker();
memset(&idx, 0, sizeof(idx));
sprintf(idx.Name, "%s", tu(file.Name));
sprintf(idx.LName, "%s", tu(file.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("$Can't create %s", temp);
} else {
fseek(pFile, 0, SEEK_SET);
fbAreas++;
while (fread(&file, sizeof(file), 1, pFile) == 1) {
if ((!file.Deleted) && (!file.Missing)) {
fbFiles++;
fprintf(fp, "%-12s [%ld] %s\r\n", file.Name, file.TimesDL + file.TimesFTP + file.TimesReq, file.Desc[0]);
for (j = 1; j < 25; j++)
if (strlen(file.Desc[j]))
fprintf(fp, " +%s\r\n", file.Desc[j]);
}
}
fclose(fp);
chmod(temp, 0644);
}
/*
* Create 00index file and index.html pages in each available download area.
*/
if (!area.CDrom && fm && (strncmp(CFG.ftp_base, area.Path, strlen(CFG.ftp_base)) == 0)) {
sprintf(temp, "%s/00index", area.Path);
if ((fp = fopen(temp, "w")) == NULL) {
WriteError("$Can't create %s", temp);
} else {
fseek(pFile, 0, SEEK_SET);
Areas++;
inArea = 0;
while (fread(&file, sizeof(file), 1, pFile) == 1) {
if ((!file.Deleted) && (!file.Missing))
inArea++;
}
fseek(pFile, 0, 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(&file, sizeof(file), 1, pFile) == 1) {
if ((!file.Deleted) && (!file.Missing)) {
/*
* The next is to reduce system load
*/
x++;
Total++;
aTotal++;
if (CFG.slow_util && do_quiet && ((x % 3) == 0))
usleep(1);
for (z = 0; z <= 25; z++) {
if (strlen(file.Desc[z])) {
if (z == 0)
fprintf(fp, "%-12s %7luK %s ", file.Name, (long)(file.Size / 1024),
StrDateDMY(file.UploadDate));
else
fprintf(fp, " ");
if ((file.Desc[z][0] == '@') && (file.Desc[z][1] == 'X'))
fprintf(fp, "%s\n", file.Desc[z]+4);
else
fprintf(fp, "%s\n", file.Desc[z]);
}
}
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(file.LName, ".gif") || strstr(file.LName, ".jpg") ||
strstr(file.LName, ".GIF") || strstr(file.LName, ".JPG")) {
sprintf(linebuf, "%s/%s", area.Path, file.LName);
sprintf(outbuf, "%s/.%s", area.Path, file.LName);
if (file_exist(outbuf, R_OK)) {
if ((j = execute(CFG.www_convert, linebuf, outbuf,
(char *)"/dev/null", (char *)"/dev/null", (char *)"/dev/null"))) {
Syslog('+', "Failed to create thumbnail for %s, rc=% d", file.LName, j);
} else {
chmod(outbuf, 0644);
}
}
sprintf(outbuf, "%s/%s%s/%s", CFG.www_url, CFG.www_link2ftp,
area.Path+strlen(CFG.ftp_base), file.LName);
sprintf(linebuf, "%s/%s%s/.%s", CFG.www_url, CFG.www_link2ftp,
area.Path+strlen(CFG.ftp_base), file.LName);
MacroVars("fghi", "dsss", 1, outbuf, file.LName, linebuf);
} else {
sprintf(outbuf, "%s/%s%s/%s", CFG.www_url, CFG.www_link2ftp,
area.Path+strlen(CFG.ftp_base), file.LName);
MacroVars("fghi", "dsss", 0, outbuf, file.LName, "");
}
sprintf(outbuf, "%lu Kb.", (long)(file.Size / 1024));
MacroVars("jkl", "ssd", StrDateDMY(file.FileDate), outbuf, file.TimesDL+file.TimesFTP+file.TimesReq);
memset(&desc, 0, sizeof(desc));
k = 0;
for (j = 0; j < 25; j++)
if (strlen(file.Desc[j])) {
if (j) {
sprintf(desc+k, "\n");
k += 1;
}
sprintf(linebuf, "%s", To_Html(file.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 += file.Size;
MacroVars("efghijklm", "ddsssssds", 0, 0, "", "", "", "", "", 0, "");
if (file.FileDate > last)
last = file.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);
fclose(fp);
chmod(temp, 0644);
/*
* 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);
}
}
fclose(pFile);
} /* if area.Available */
}
if (fm) {
sprintf(linebuf, "%ld Mb.", KSize / 1024);
MacroVars("cd", "ds", Total, 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);
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);
Syslog('+', "HTML Areas [%5d] Files [%5d]", Areas, Total);
if (!do_quiet) {
printf("\r \r");
fflush(stdout);
}
free(sIndex);
free(sAreas);
free(fAreas);
free(fn);
free(temp);
RemoveSema((char *)"reqindex");
}
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