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deb-mbse/mbsetup/m_magic.c
2004-03-20 23:00:22 +00:00

546 lines
12 KiB
C

/*****************************************************************************
*
* $Id$
* Purpose ...............: Edit Magics
*
*****************************************************************************
* 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.
*
* MB 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 MB 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 "screen.h"
#include "mutil.h"
#include "ledit.h"
#include "stlist.h"
#include "m_ticarea.h"
#include "m_global.h"
#include "m_magic.h"
int MagicUpdated = 0;
/*
* Count nr of magic records in the database.
* Creates the database if it doesn't exist.
*/
int CountMagics(void)
{
FILE *fil;
char ffile[PATH_MAX];
int count;
sprintf(ffile, "%s/etc/magic.data", getenv("MBSE_ROOT"));
if ((fil = fopen(ffile, "r")) == NULL) {
if ((fil = fopen(ffile, "a+")) != NULL) {
Syslog('+', "Created new %s", ffile);
magichdr.hdrsize = sizeof(magichdr);
magichdr.recsize = sizeof(magic);
fwrite(&magichdr, sizeof(magichdr), 1, fil);
fclose(fil);
chmod(ffile, 0640);
return 0;
} else
return -1;
}
fread(&magichdr, sizeof(magichdr), 1, fil);
fseek(fil, 0, SEEK_END);
count = (ftell(fil) - magichdr.hdrsize) / magichdr.recsize;
fclose(fil);
return count;
}
/*
* Open database for editing. The datafile is copied, if the format
* is changed it will be converted on the fly. All editing must be
* done on the copied file.
*/
int OpenMagics(void);
int OpenMagics(void)
{
FILE *fin, *fout;
char fnin[PATH_MAX], fnout[PATH_MAX];
long oldsize;
int FieldPatch = FALSE;
sprintf(fnin, "%s/etc/magic.data", getenv("MBSE_ROOT"));
sprintf(fnout, "%s/etc/magic.temp", getenv("MBSE_ROOT"));
if ((fin = fopen(fnin, "r")) != NULL) {
if ((fout = fopen(fnout, "w")) != NULL) {
fread(&magichdr, sizeof(magichdr), 1, fin);
/*
* In case we are automatic upgrading the data format
* we save the old format. If it is changed, the
* database must always be updated.
*/
oldsize = magichdr.recsize;
if (oldsize != sizeof(magic)) {
MagicUpdated = 1;
Syslog('+', "Updated %s, format changed", fnin);
if ((oldsize + 16) == sizeof(magic)) {
FieldPatch = TRUE;
Syslog('?', "Magic: performing FieldPatch");
}
} else
MagicUpdated = 0;
magichdr.hdrsize = sizeof(magichdr);
magichdr.recsize = sizeof(magic);
fwrite(&magichdr, sizeof(magichdr), 1, fout);
/*
* The datarecord is filled with zero's before each
* read, so if the format changed, the new fields
* will be empty.
*/
memset(&magic, 0, sizeof(magic));
while (fread(&magic, oldsize, 1, fin) == 1) {
if (FieldPatch) {
memmove(&magic.Path, &magic.From[13], oldsize-12);
memset(&magic.From[13], 0, 8);
}
fwrite(&magic, sizeof(magic), 1, fout);
memset(&magic, 0, sizeof(magic));
}
fclose(fin);
fclose(fout);
return 0;
} else
return -1;
}
return -1;
}
void CloseMagics(int);
void CloseMagics(int force)
{
char fin[PATH_MAX], fout[PATH_MAX];
FILE *fi, *fo;
st_list *mag = NULL, *tmp;
sprintf(fin, "%s/etc/magic.data", getenv("MBSE_ROOT"));
sprintf(fout,"%s/etc/magic.temp", getenv("MBSE_ROOT"));
if (MagicUpdated == 1) {
if (force || (yes_no((char *)"Database is changed, save changes") == 1)) {
working(1, 0, 0);
fi = fopen(fout, "r");
fo = fopen(fin, "w");
fread(&magichdr, magichdr.hdrsize, 1, fi);
fwrite(&magichdr, magichdr.hdrsize, 1, fo);
while (fread(&magic, magichdr.recsize, 1, fi) == 1)
if (!magic.Deleted)
fill_stlist(&mag, magic.Mask, ftell(fi) - magichdr.recsize);
sort_stlist(&mag);
for (tmp = mag; tmp; tmp = tmp->next) {
fseek(fi, tmp->pos, SEEK_SET);
fread(&magic, magichdr.recsize, 1, fi);
fwrite(&magic, magichdr.recsize, 1, fo);
}
fclose(fi);
fclose(fo);
tidy_stlist(&mag);
unlink(fout);
chmod(fin, 0640);
disk_reset();
Syslog('+', "Updated \"magic.data\"");
if (!force)
working(6, 0, 0);
return;
}
}
chmod(fin, 0640);
working(1, 0, 0);
unlink(fout);
}
int AppendMagics(void)
{
FILE *fil;
char ffile[PATH_MAX];
sprintf(ffile, "%s/etc/magic.temp", getenv("MBSE_ROOT"));
if ((fil = fopen(ffile, "a")) != NULL) {
memset(&magic, 0, sizeof(magic));
fwrite(&magic, sizeof(magic), 1, fil);
fclose(fil);
MagicUpdated = 1;
return 0;
} else
return -1;
}
void ScreenM(void)
{
clr_index();
set_color(WHITE, BLACK);
mvprintw( 5, 2, "10.4. EDIT MAGIC");
set_color(CYAN, BLACK);
mvprintw( 7, 2, "1. Magic");
mvprintw( 8, 2, "2. Filemask");
mvprintw( 9, 2, "3. Active");
mvprintw(10, 2, "4. Deleted");
mvprintw(11, 2, "5. Area");
switch(magic.Attrib) {
case MG_ADOPT:
case MG_MOVE:
mvprintw(12, 2, "6. To Area");
break;
case MG_EXEC:
mvprintw(12, 2, "6. Command");
mvprintw(13, 2, "7. Compile");
break;
case MG_COPY:
case MG_UNPACK:
mvprintw(12, 2, "6. To path");
mvprintw(13, 2, "7. Compile");
break;
case MG_KEEPNUM:
mvprintw(12, 2, "6. Keep Num");
break;
}
}
void FieldsM(void)
{
set_color(WHITE, BLACK);
show_str( 7,16,20, getmagictype(magic.Attrib));
show_str( 8,16,14, magic.Mask);
show_str( 9,16, 3, getboolean(magic.Active));
show_str(10,16, 3, getboolean(magic.Deleted));
show_str(11,16,20, magic.From);
switch(magic.Attrib) {
case MG_ADOPT:
case MG_MOVE:
show_str(12,16,20, magic.ToArea);
break;
case MG_EXEC:
show_str(12,16,64, magic.Cmd);
show_bool(13,16, magic.Compile);
break;
case MG_UNPACK:
case MG_COPY:
show_bool(13,16, magic.Compile);
show_str(12,16,64, magic.Path);
break;
case MG_KEEPNUM:
show_int(12,16, magic.KeepNum);
break;
}
}
/*
* Edit one record, return -1 if there are errors, 0 if ok.
*/
int EditMagicRec(int Area)
{
FILE *fil;
char mfile[PATH_MAX];
long offset;
int j, choices;
unsigned long crc, crc1;
clr_index();
working(1, 0, 0);
IsDoing("Edit Magics");
sprintf(mfile, "%s/etc/magic.temp", getenv("MBSE_ROOT"));
if ((fil = fopen(mfile, "r")) == NULL) {
working(2, 0, 0);
return -1;
}
offset = sizeof(magichdr) + ((Area -1) * sizeof(magic));
if (fseek(fil, offset, 0) != 0) {
working(2, 0, 0);
return -1;
}
fread(&magic, sizeof(magic), 1, fil);
fclose(fil);
crc = 0xffffffff;
crc = upd_crc32((char *)&magic, crc, sizeof(magic));
for (;;) {
ScreenM();
FieldsM();
switch(magic.Attrib) {
case MG_UPDALIAS:
case MG_DELETE:
choices = 5;
break;
case MG_EXEC:
case MG_COPY:
case MG_UNPACK:
choices = 7;
break;
default:
choices = 6;
}
j = select_menu(choices);
switch(j) {
case 0:
crc1 = 0xffffffff;
crc1 = upd_crc32((char *)&magic, crc1, sizeof(magic));
if (crc != crc1) {
if (yes_no((char *)"Record is changed, save") == 1) {
working(1, 0, 0);
if ((fil = fopen(mfile, "r+")) == NULL) {
working(2, 0, 0);
return -1;
}
fseek(fil, offset, 0);
fwrite(&magic, sizeof(magic), 1, fil);
fclose(fil);
MagicUpdated = 1;
working(6, 0, 0);
}
}
IsDoing("Browsing Menu");
return 0;
case 1: magic.Attrib = edit_magictype(7,16, magic.Attrib);
break;
case 2: E_STR( 8,16,14, magic.Mask, "File ^mask^ to test for this magic")
case 3: E_BOOL( 9,16, magic.Active, "Is this magic ^active^")
case 4: E_BOOL(10,16, magic.Deleted,"Is this record ^deleted^")
case 5: strcpy(magic.From, PickTicarea((char *)"10.4.5"));
break;
case 6: switch(magic.Attrib) {
case MG_ADOPT:
case MG_MOVE:
strcpy(magic.ToArea, PickTicarea((char *)"10.4.6"));
break;
case MG_COPY:
case MG_UNPACK:
E_PTH(12,16,64, magic.Path, "The ^path^ to use", 0750)
case MG_EXEC:
E_STR(12,16,64, magic.Cmd, "The ^command^ to execute")
case MG_KEEPNUM:
E_INT(12,16, magic.KeepNum,"The number of files to ^keep^")
}
break;
case 7: E_BOOL(13,16, magic.Compile, "Trigger the ^compile nodelist^ flag")
}
}
return 0;
}
void EditMagics(void)
{
int records, i, o, x, y;
char pick[12];
FILE *fil;
char temp[PATH_MAX];
long offset;
clr_index();
working(1, 0, 0);
IsDoing("Browsing Menu");
if (config_read() == -1) {
working(2, 0, 0);
return;
}
records = CountMagics();
if (records == -1) {
working(2, 0, 0);
return;
}
if (OpenMagics() == -1) {
working(2, 0, 0);
return;
}
o = 0;
for (;;) {
clr_index();
set_color(WHITE, BLACK);
mvprintw( 5, 2, "10.4. MAGICS EDITOR");
set_color(CYAN, BLACK);
if (records != 0) {
sprintf(temp, "%s/etc/magic.temp", getenv("MBSE_ROOT"));
working(1, 0, 0);
if ((fil = fopen(temp, "r")) != NULL) {
fread(&magichdr, sizeof(magichdr), 1, fil);
x = 2;
y = 7;
set_color(CYAN, BLACK);
for (i = 1; i <= 20; i++) {
if (i == 11) {
x = 42;
y = 7;
}
if ((o + i) <= records) {
offset = sizeof(magichdr) + (((i + o) - 1) * magichdr.recsize);
fseek(fil, offset, 0);
fread(&magic, magichdr.recsize, 1, fil);
if (magic.Active)
set_color(CYAN, BLACK);
else
set_color(LIGHTBLUE, BLACK);
sprintf(temp, "%3d. %s %s", o + i, getmagictype(magic.Attrib), magic.Mask);
temp[37] = 0;
mvprintw(y, x, temp);
y++;
}
}
fclose(fil);
}
}
strcpy(pick, select_record(records, 20));
if (strncmp(pick, "-", 1) == 0) {
CloseMagics(FALSE);
return;
}
if (strncmp(pick, "A", 1) == 0) {
working(1, 0, 0);
if (AppendMagics() == 0) {
records++;
working(1, 0, 0);
} else
working(2, 0, 0);
}
if (strncmp(pick, "N", 1) == 0)
if ((o + 20) < records)
o = o + 20;
if (strncmp(pick, "P", 1) == 0)
if ((o - 20) >= 0)
o = o - 20;
if ((atoi(pick) >= 1) && (atoi(pick) <= records)) {
EditMagicRec(atoi(pick));
o = ((atoi(pick) - 1) / 20) * 20;
}
}
}
void InitMagics(void)
{
CountMagics();
OpenMagics();
CloseMagics(TRUE);
}
int tic_magic_doc(FILE *fp, FILE *toc, int page)
{
char temp[PATH_MAX];
FILE *no;
int j;
sprintf(temp, "%s/etc/magic.data", getenv("MBSE_ROOT"));
if ((no = fopen(temp, "r")) == NULL)
return page;
page = newpage(fp, page);
addtoc(fp, toc, 10, 4, page, (char *)"File Magic processing");
j = 0;
fprintf(fp, "\n\n");
fread(&magichdr, sizeof(magichdr), 1, no);
while (fread(&magic, magichdr.recsize, 1, no) == 1) {
if (j == 6) {
page = newpage(fp, page);
fprintf(fp, "\n");
j = 0;
}
fprintf(fp, " Filemask %s\n", magic.Mask);
fprintf(fp, " Type %s\n", getmagictype(magic.Attrib));
fprintf(fp, " Active %s\n", getboolean(magic.Active));
fprintf(fp, " Area %s\n", magic.From);
switch (magic.Attrib) {
case MG_ADOPT:
case MG_MOVE:
fprintf(fp, " To area %s\n", magic.ToArea);
break;
case MG_EXEC:
fprintf(fp, " Command %s\n", magic.Cmd);
fprintf(fp, " Compile NL %s\n", getboolean(magic.Compile));
break;
case MG_UNPACK:
case MG_COPY:
fprintf(fp, " Compile NL %s\n", getboolean(magic.Compile));
fprintf(fp, " Path %s\n", magic.Path);
break;
case MG_KEEPNUM:fprintf(fp, " Keep # file %d\n", magic.KeepNum);
break;
}
fprintf(fp, "\n\n");
j++;
}
fclose(no);
return page;
}