diff -up cracklib-2.9.6/lib/fascist.c.simplistic cracklib-2.9.6/lib/fascist.c --- cracklib-2.9.6/lib/fascist.c.simplistic 2015-10-22 18:21:51.099748012 +0200 +++ cracklib-2.9.6/lib/fascist.c 2015-10-22 18:21:51.101748060 +0200 @@ -55,7 +55,6 @@ static char *r_destructors[] = { "/?p@?p", /* purging out punctuation/symbols/junk */ "/?s@?s", - "/?X@?X", /* attempt reverse engineering of password strings */ @@ -454,6 +453,12 @@ GTry(rawtext, password) continue; } + if (len - strlen(mp) >= 3) + { + /* purged too much */ + continue; + } + #ifdef DEBUG printf("%-16s = %-16s (destruct %s)\n", mp, rawtext, r_destructors[i]); #endif @@ -480,6 +485,12 @@ GTry(rawtext, password) continue; } + if (len - strlen(mp) >= 3) + { + /* purged too much */ + continue; + } + #ifdef DEBUG printf("%-16s = %-16s (construct %s)\n", mp, password, r_constructors[i]); #endif @@ -699,6 +710,7 @@ FascistLookUser(PWDICT *pwp, char *instr char rpassword[STRINGSIZE]; char area[STRINGSIZE]; uint32_t notfound; + int len; notfound = PW_WORDS(pwp); /* already truncated if from FascistCheck() */ @@ -748,6 +760,7 @@ FascistLookUser(PWDICT *pwp, char *instr return _("it is all whitespace"); } + len = strlen(password); i = 0; ptr = password; while (ptr[0] && ptr[1]) @@ -759,10 +772,9 @@ FascistLookUser(PWDICT *pwp, char *instr ptr++; } - /* Change by Ben Karsin from ITS at University of Hawaii at Manoa. Static MAXSTEP - would generate many false positives for long passwords. */ - maxrepeat = 3+(0.09*strlen(password)); - if (i > maxrepeat) + /* We were still generating false positives for long passwords. + Just count systematic double as a single character. */ + if (len - i < MINLEN) { return _("it is too simplistic/systematic"); } @@ -795,6 +807,12 @@ FascistLookUser(PWDICT *pwp, char *instr continue; } + if (len - strlen(a) >= 3) + { + /* purged too much */ + continue; + } + #ifdef DEBUG printf("%-16s (dict)\n", a); #endif @@ -815,6 +833,13 @@ FascistLookUser(PWDICT *pwp, char *instr { continue; } + + if (len - strlen(a) >= 3) + { + /* purged too much */ + continue; + } + #ifdef DEBUG printf("%-16s (reversed dict)\n", a); #endif diff -up cracklib-2.9.6/util/cracklib-format.simplistic cracklib-2.9.6/util/cracklib-format --- cracklib-2.9.6/util/cracklib-format.simplistic 2015-10-22 18:21:51.101748060 +0200 +++ cracklib-2.9.6/util/cracklib-format 2014-07-09 17:24:45.000000000 +0200 @@ -3,8 +3,10 @@ # This preprocesses a set of word lists into a suitable form for input # into cracklib-packer # +LC_ALL=C +export LC_ALL gzip -cdf "$@" | - grep -v '^\(#\|$\)' | - tr '[A-Z]' '[a-z]' | - tr -cd '\012[a-z][0-9]' | - env LC_ALL=C sort -u + grep -a -E -v '^.{32,}$' | + tr '[:upper:]' '[:lower:]' | + tr -cd '\n[:graph:]' | + sort -u