convertdb.c
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	/*
	* Copyright (C) 1996 Darkbot Project.

	* This program is free software, you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2. This
	* program 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 COPYING file for details.
	*/


	#include "defines.h"

	#define STRING_SHORT 512
	char DAT_DIR[STRING_SHORT] = { 0 };

	// FIXME: This may not be compatible with putting all exes into $prefix/bin.
	// Under cygwin the executable should be placed on Darkbot's root dir
	// due to the necessity of cygwin dynamic library.

	int main(int argc, char *argv[])
	{
	FILE in, out;
	char *ptr = NULL;
	const char *salt = "8fei3k";
	char userlist[STRING_SHORT] = { 0 };
	char tempfile[STRING_SHORT] = { 0 };
	char temp[STRING_SHORT] = { 0 };
	char channel[1024] = { 0 };
	char uh[1024] = { 0 };
	char level[10] = { 0 };
	char joins[10] = { 0 };
	char pass[1024] = { 0 };
	char setinfo[1024] = { 0 };
	struct stat st;
	int ret;

	printf("\nDarkbot USERLIST.DB < 7f0 conversion utility.\n");
	printf("IMPORTANT :: READ THIS!\n\n");
	printf("This UTILITY is for converting OLD (pre 7f0) userlist's\n");
	printf("to the new encrypted format.\n\n");
	printf("Use this utility ONLY if:\n");
	printf(" - You have copied your pre 7f0 userlist.db in to the dat directory\n\n");
	printf("DO NOT use this utility if:\n");
	printf(" - You have created a brand new darkbot, and have no users\n\n");

	if(argc < 2)
	{
	printf("Syntax: %s -convert\n\n", argv[0]);
	return 0;
	}

	if(argc > 1)
	{
	if(strcmp(argv[1], "-convert") != 0)
	{
	printf("Syntax: %s -convert\n\n", argv[0]);
	return 0;
	}
	}

	#ifdef DATABASEDIR
	strncpy (DAT_DIR, DATABASEDIR, sizeof (DAT_DIR));
	#else
	strncpy (DAT_DIR, "dat", sizeof (DAT_DIR));
	#endif
	#ifdef SOURCEDIR
	/* Check if this is being run from the build directory before being installed. */
	snprintf(temp, sizeof(temp), "%s/dat/setup.ini", SOURCEDIR);
	if (stat(temp, &st) >= 0)
	{
	snprintf(temp, sizeof(temp), "%s/dat", SOURCEDIR);
	strncpy(DAT_DIR, temp, sizeof (DAT_DIR));
	}
	#endif

	snprintf(userlist, sizeof(userlist), "%s/userlist.db", DAT_DIR);
	snprintf(tempfile, sizeof(tempfile), "%s/temp.db", DAT_DIR);

	printf("Converting %s ...\n", userlist);

	if((in = fopen(userlist, "r")) == NULL)
	{
	printf("\nCan't open %s for reading!\n", userlist);
	return EXIT_FAILURE;
	} if((out = fopen(tempfile, "wt")) == NULL)
	{
	printf("\nCan't open %s for writing!\n", tempfile);
	return EXIT_FAILURE;
	}

	snprintf(temp, sizeof(temp), "cp %s %s/backup.db", userlist, DAT_DIR);
	ret = system(temp);

	while(!feof(in))
	{
	ret =fscanf(in, "%s %s %s %s %s %[^\n]s", channel, uh, level, joins, pass, setinfo);

	#ifdef ENABLE_ENCRYPT
	if ((ptr = crypt(pass, salt)) == NULL)
	{
	printf("\ncrypt() error\n");
	return EXIT_FAILURE;
	}
	#endif
	if(!feof(in))
	fprintf(out, "%s %s %s %s %s %s\n", channel, uh, level, joins, ptr, setinfo);
	}
	fclose(in);
	fclose(out);

	remove(userlist);
	rename(tempfile, userlist);

	printf("Conversion Complete.\n");

	return EXIT_SUCCESS;
	}

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