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/* Copyright (C) 2002-2003 RealVNC Ltd. All Rights Reserved.
*
* This 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 of the License, or
* (at your option) any later version.
*
* This software 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 this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <rfb/vncAuth.h>
#include <rfb/util.h>
using namespace rfb;
char* prog;
static void usage()
{
fprintf(stderr,"usage: %s [file]\n",prog);
exit(1);
}
int main(int argc, char** argv)
{
prog = argv[0];
char* fname = 0;
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "-q") == 0) { // allowed for backwards compatibility
} else if (argv[i][0] == '-') {
usage();
} else if (!fname) {
fname = argv[i];
} else {
usage();
}
}
if (!fname) {
if (!getenv("HOME")) {
fprintf(stderr,"HOME is not set\n");
exit(1);
}
fname = new char[strlen(getenv("HOME")) + 20];
sprintf(fname, "%s/.vnc", getenv("HOME"));
mkdir(fname, 0777);
sprintf(fname, "%s/.vnc/passwd", getenv("HOME"));
}
while (true) {
char* passwd = getpass("Password: ");
if (!passwd) {
perror("getpass error");
exit(1);
}
if (strlen(passwd) < 6) {
if (strlen(passwd) == 0) {
fprintf(stderr,"Password not changed\n");
exit(1);
}
fprintf(stderr,"Password must be at least 6 characters - try again\n");
continue;
}
if (strlen(passwd) > 8)
passwd[8] = '\0';
CharArray passwdCopy(strDup(passwd));
passwd = getpass("Verify: ");
if (!passwd) {
perror("getpass error");
exit(1);
}
if (strlen(passwd) > 8)
passwd[8] = '\0';
if (strcmp(passwdCopy.buf, passwd) != 0) {
fprintf(stderr,"Passwords don't match - try again\n");
continue;
}
FILE* fp = fopen(fname,"w");
if (!fp) {
fprintf(stderr,"Couldn't open %s for writing\n",fname);
exit(1);
}
chmod(fname, S_IRUSR|S_IWUSR);
vncAuthObfuscatePasswd(passwd);
if (fwrite(passwd, 8, 1, fp) != 1) {
fprintf(stderr,"Writing to %s failed\n",fname);
exit(1);
}
fclose(fp);
for (unsigned int i = 0; i < strlen(passwd); i++)
passwd[i] = passwdCopy.buf[i] = 0;
return 0;
}
}
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