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r12495: Crackcheck utility enhancement based on patch sent by Tom Geissler

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(This used to be commit aa34304f61bd10cb1f80b4c0c27dd3834dc47fa3)
This commit is contained in:
Simo Sorce 2005-12-26 17:22:46 +00:00 committed by Gerald (Jerry) Carter
parent c4ccc8f37e
commit b7eec4e856
1 changed files with 71 additions and 2 deletions
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73
examples/auth/crackcheck/crackcheck.c
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@ -19,20 +19,81 @@ void usage(char *command) {
exit(-1);
}
int complexity(char* passwd)
{
/* TG 26.10.2005
* check password for complexity like MS Windows NT
*/
int c_upper = 0;
int c_lower = 0;
int c_digit = 0;
int c_punct = 0;
int c_tot = 0;
int i, len;
if (!passwd) goto fail;
len = strlen(passwd);
for (i = 0; i < len; i++) {
if (c_tot >= 3) break;
if (isupper(passwd[i])) {
if (!c_upper) {
c_upper = 1;
c_tot += 1;
}
continue;
}
if (islower(passwd[i])) {
if (!c_lower) {
c_lower = 1;
c_tot += 1;
}
continue;
}
if (isdigit(passwd[i])) {
if (!c_digit) {
c_digit = 1;
c_tot += 1;
}
continue;
}
if (ispunct(passwd[i])) {
if (!c_punct) {
c_punct = 1;
c_tot += 1;
}
continue;
}
}
if ((c_tot) < 3) goto fail;
return 0;
fail:
fprintf(stderr, "ERR Complexity check failed\n\n");
return -4;
}
int main(int argc, char **argv) {
extern char *optarg;
int c;
int c, ret, complex_check = 0;
char f[256];
char *dictionary = NULL;
char *password;
char *reply;
while ( (c = getopt(argc, argv, "d:")) != EOF){
while ( (c = getopt(argc, argv, "d:c")) != EOF){
switch(c) {
case 'd':
dictionary = strdup(optarg);
break;
case 'c':
complex_check = 1;
break;
default:
usage(argv[0]);
}
@ -43,6 +104,7 @@ int main(int argc, char **argv) {
usage(argv[0]);
}
fflush(stdin);
password = fgets(f, sizeof(f), stdin);
if (password == NULL) {
@ -50,6 +112,13 @@ int main(int argc, char **argv) {
exit(-2);
}
if (complex_check) {
ret = complexity(password);
if (ret) {
exit(ret);
}
}
reply = FascistCheck(password, dictionary);
if (reply != NULL) {
fprintf(stderr, "ERR - %s\n\n", reply);