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/*
* PKG - SvarDOS package manager
*
* PUBLISHED UNDER THE TERMS OF THE MIT LICENSE
*
* COPYRIGHT (C) 2016-2024 MATEUSZ VISTE, ALL RIGHTS RESERVED.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h> /* FILE */
#include <stdlib.h> /* malloc() and friends */
#include <string.h> /* strcasecmp() */
#include "svarlang.lib/svarlang.h"
#include "healthck.h"
#include "crc32.h"
#include "helpers.h"
#include "libunzip.h"
#include "pkginst.h"
#include "pkgrem.h"
#include "showinst.h"
#include "unzip.h"
#include "version.h"
enum ACTIONTYPES {
ACTION_INSTALL,
ACTION_REMOVE,
ACTION_LISTFILES,
ACTION_LISTLOCAL,
ACTION_HEALTHCHECK,
ACTION_UNZIP,
ACTION_CRC32,
ACTION_HELP
};
static int showhelp(void) {
outputnl("PKG ver " PVER " Copyright (C) " PDATE " Mateusz Viste");
outputnl("");
outputnl(svarlang_str(1, 0)); /* "PKG is the SvarDOS package manager." */
outputnl("");
outputnl(svarlang_str(1, 19)); /* "Usage:" */
outputnl("");
outputnl(svarlang_str(1, 20)); /* "pkg install package.svp */
outputnl(svarlang_str(1, 21)); /* "pkg update package.svp" */
outputnl(svarlang_str(1, 22)); /* "pkg rm package" */
outputnl(svarlang_str(1, 23)); /* "pkg files package" */
outputnl(svarlang_str(1, 24)); /* "pkg list [filter]" */
outputnl(svarlang_str(1, 25)); /* "pkg check [pkg]" */
outputnl(svarlang_str(1, 26)); /* "pkg check+ [pkg]" */
outputnl(svarlang_str(1, 27)); /* "pkg unzip file.zip" */
outputnl(svarlang_str(1, 29)); /* "pkg listzip file.zip" */
outputnl(svarlang_str(1, 28)); /* "pkg crc32 file" */
outputnl("");
outputnl(svarlang_str(1, 40)); /* "PKG is published under the MIT license." */
outputnl(svarlang_str(1, 41)); /* "It is configured through %DOSDIR%\CFG\PKG.CFG" */
return(1);
}
static enum ACTIONTYPES parsearg(int argc, char * const *argv, unsigned char *flags) {
*flags = 0;
/* look for valid actions */
if ((argc == 3) && (strcasecmp(argv[1], "install") == 0)) {
return(ACTION_INSTALL);
} else if ((argc == 3) && (strcasecmp(argv[1], "inowarn") == 0)) {
/* hidden action used by the SvarDOS installer to avoid onscreen warnings
* during system installation */
*flags = PKGINST_HIDEWARN;
return(ACTION_INSTALL);
} else if ((argc == 3) && (strcasecmp(argv[1], "update") == 0)) {
*flags = PKGINST_UPDATE;
return(ACTION_INSTALL);
} else if ((argc == 3) && (strcasecmp(argv[1], "rm") == 0)) {
return(ACTION_REMOVE);
} else if ((argc == 3) && (strcasecmp(argv[1], "files") == 0)) {
return(ACTION_LISTFILES);
} else if ((argc >= 2) && (argc <= 3) && (strcasecmp(argv[1], "list") == 0)) {
return(ACTION_LISTLOCAL);
} else if ((argc >= 2) && (argc <= 3) && (strcasecmp(argv[1], "check") == 0)) {
return(ACTION_HEALTHCHECK);
} else if ((argc >= 2) && (argc <= 3) && (strcasecmp(argv[1], "check+") == 0)) {
*flags = 1; /* extended check */
return(ACTION_HEALTHCHECK);
} else if ((argc == 3) && (strcasecmp(argv[1], "unzip") == 0)) {
return(ACTION_UNZIP);
} else if ((argc == 3) && (strcasecmp(argv[1], "ziplist") == 0)) {
*flags = 1; /* list only */
return(ACTION_UNZIP);
} else if ((argc == 3) && (strcasecmp(argv[1], "crc32") == 0)) {
return(ACTION_CRC32);
} else {
return(ACTION_HELP);
}
}
static int pkginst(const char *file, int flags, const char *dosdir, const struct customdirs *dirlist, char bootdrive, unsigned char *buff15k) {
char pkgname[9];
int res = 1;
struct ziplist *zipfileidx;
FILE *zipfilefd;
/* prepare the zip file for installation and fetch package's name */
zipfileidx = pkginstall_preparepackage(pkgname, file, flags, &zipfilefd, dosdir, dirlist, bootdrive);
if (zipfileidx != NULL) {
/* package name must be all lower-case for further file matching in the zip file */
strlwr(pkgname);
/* remove the old version of the package if we are UPDATING it */
res = 0;
if (flags & PKGINST_UPDATE) res = pkgrem(pkgname, dosdir);
if (res == 0) res = pkginstall_installpackage(pkgname, dosdir, dirlist, zipfileidx, zipfilefd, bootdrive, buff15k, flags);
zip_freelist(&zipfileidx);
fclose(zipfilefd);
}
return(res);
}
/* pkg crc32 file */
static int crcfile(const char *fname, unsigned char *buff4k) {
FILE *fd;
unsigned long crc;
unsigned int len;
fd = fopen(fname, "rb");
if (fd == NULL) {
outputnl(svarlang_str(10, 1)); /* failed to open file */
return(1);
}
crc = CRC32_INITVAL;
for (;;) {
len = fread(buff4k, 1, 4096, fd);
if (len == 0) break;
crc32_feed(&crc, buff4k, len);
}
fclose(fd);
crc32_finish(&crc);
crc32tostring(buff4k, crc);
outputnl(buff4k);
return(0);
}
int main(int argc, char **argv) {
static unsigned char buff15k[15 * 1024];
int res = 1;
enum ACTIONTYPES action;
unsigned char actionflags;
const char *dosdir;
struct customdirs *dirlist;
char bootdrive;
svarlang_autoload_exepath(argv[0], getenv("LANG")); /* NLS init */
action = parsearg(argc, argv, &actionflags);
switch (action) {
case ACTION_HELP:
res = showhelp();
goto GAMEOVER;
case ACTION_UNZIP:
res = unzip(argv[2], actionflags, buff15k);
goto GAMEOVER;
case ACTION_CRC32:
res = crcfile(argv[2], buff15k);
goto GAMEOVER;
}
/* read the DOSDIR environment variable */
dosdir = getenv("DOSDIR");
if (dosdir == NULL) {
outputnl(svarlang_str(2, 2)); /* "%DOSDIR% not set! You should make it point to the SvarDOS main directory." */
outputnl(svarlang_str(2, 3)); /* "Example: SET DOSDIR=C:\SVARDOS" */
goto GAMEOVER;
}
/* load configuration */
if (loadconf(dosdir, &dirlist, &bootdrive) != 0) goto GAMEOVER;
switch (action) {
case ACTION_INSTALL:
res = pkginst(argv[2], actionflags, dosdir, dirlist, bootdrive, buff15k);
break;
case ACTION_REMOVE:
res = pkgrem(argv[2], dosdir);
break;
case ACTION_LISTFILES:
res = listfilesofpkg(argv[2], dosdir);
break;
case ACTION_LISTLOCAL:
res = showinstalledpkgs((argc == 3)?argv[2]:NULL, dosdir);
break;
case ACTION_HEALTHCHECK:
res = healthcheck(buff15k, (argc == 3)?argv[2]:NULL, dosdir, actionflags);
break;
default:
res = showhelp();
break;
}
GAMEOVER:
if (res != 0) return(1);
return(0);
}