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shadow/doc/cracklib26.diff

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diff -ur orig/cracklib26_small/cracklib/fascist.c cracklib26_small/cracklib/fascist.c
--- orig/cracklib26_small/cracklib/fascist.c Mon Dec 15 02:56:55 1997
+++ cracklib26_small/cracklib/fascist.c Sat Apr 4 22:14:45 1998
@@ -12,6 +12,7 @@
#include <ctype.h>
#include <sys/types.h>
#include <pwd.h>
+#include <string.h>
#define ISSKIP(x) (isspace(x) || ispunct(x))
@@ -460,28 +461,27 @@
}
char *
-FascistGecos(password, uid)
+FascistGecosPw(password, pwd)
char *password;
- int uid;
+ struct passwd *pwd;
{
int i;
int j;
int wc;
char *ptr;
- struct passwd *pwp;
char gbuffer[STRINGSIZE];
char tbuffer[STRINGSIZE];
char *uwords[STRINGSIZE];
char longbuffer[STRINGSIZE * 2];
- if (!(pwp = getpwuid(uid)))
+ if (!pwd)
{
return ("you are not registered in the password file");
}
/* lets get really paranoid and assume a dangerously long gecos entry */
- strncpy(tbuffer, pwp->pw_name, STRINGSIZE);
+ strncpy(tbuffer, pwd->pw_name, STRINGSIZE);
tbuffer[STRINGSIZE-1] = '\0';
if (GTry(tbuffer, password))
{
@@ -490,12 +490,13 @@
/* it never used to be that you got passwd strings > 1024 chars, but now... */
- strncpy(tbuffer, pwp->pw_gecos, STRINGSIZE);
+ strncpy(tbuffer, pwd->pw_gecos, STRINGSIZE);
tbuffer[STRINGSIZE-1] = '\0';
strcpy(gbuffer, Lowercase(tbuffer));
wc = 0;
ptr = gbuffer;
+ uwords[0] = (char *) 0;
while (*ptr)
{
@@ -530,6 +531,8 @@
*(ptr++) = '\0';
}
}
+ if (!uwords[0])
+ return ((char *) 0); /* empty gecos */
#ifdef DEBUG
for (i = 0; uwords[i]; i++)
{
@@ -586,9 +589,10 @@
}
char *
-FascistLook(pwp, instring)
+FascistLookPw(pwp, instring, pwd)
PWDICT *pwp;
char *instring;
+ struct passwd *pwd;
{
int i;
char *ptr;
@@ -667,7 +671,7 @@
return ("it looks like a National Insurance number.");
}
- if (ptr = FascistGecos(password, getuid()))
+ if (ptr = FascistGecosPw(password, pwd ? pwd : getpwuid(getuid())))
{
return (ptr);
}
@@ -715,9 +719,10 @@
}
char *
-FascistCheck(password, path)
+FascistCheckPw(password, path, pwd)
char *password;
char *path;
+ struct passwd *pwd;
{
static char lastpath[STRINGSIZE];
static PWDICT *pwp;
@@ -750,5 +755,29 @@
strncpy(lastpath, path, STRINGSIZE);
}
- return (FascistLook(pwp, pwtrunced));
+ return (FascistLookPw(pwp, pwtrunced, pwd));
+}
+
+char *
+FascistGecos(password, uid)
+ char *password;
+ int uid;
+{
+ return (FascistGecosPw(password, getpwuid(uid)));
+}
+
+char *
+FascistLook(pwp, instring)
+ PWDICT *pwp;
+ char *instring;
+{
+ return (FascistLookPw(pwp, instring, (char *) 0));
+}
+
+char *
+FascistCheck(password, path)
+ char *password;
+ char *path;
+{
+ return (FascistCheckPw(password, path, (char *) 0));
}
diff -ur orig/cracklib26_small/cracklib/packer.h cracklib26_small/cracklib/packer.h
--- orig/cracklib26_small/cracklib/packer.h Mon Dec 15 00:09:30 1997
+++ cracklib26_small/cracklib/packer.h Sat Jan 10 22:13:46 1998
@@ -34,6 +34,7 @@
FILE *dfp;
FILE *wfp;
+ int canfree;
int32 flags;
#define PFOR_WRITE 0x0001
#define PFOR_FLUSH 0x0002
diff -ur orig/cracklib26_small/cracklib/packlib.c cracklib26_small/cracklib/packlib.c
--- orig/cracklib26_small/cracklib/packlib.c Fri Jul 9 22:22:58 1993
+++ cracklib26_small/cracklib/packlib.c Sat Jan 10 22:28:49 1998
@@ -16,7 +16,7 @@
char *mode;
{
int32 i;
- static PWDICT pdesc;
+ PWDICT *pdesc;
char iname[STRINGSIZE];
char dname[STRINGSIZE];
char wname[STRINGSIZE];
@@ -25,92 +25,94 @@
FILE *ifp;
FILE *wfp;
- if (pdesc.header.pih_magic == PIH_MAGIC)
- {
- fprintf(stderr, "%s: another dictionary already open\n", prefix);
+ if ((pdesc = (PWDICT *) malloc(sizeof(PWDICT))) == 0)
return ((PWDICT *) 0);
- }
- memset(&pdesc, '\0', sizeof(pdesc));
+ memset(pdesc, '\0', sizeof(*pdesc));
sprintf(iname, "%s.pwi", prefix);
sprintf(dname, "%s.pwd", prefix);
sprintf(wname, "%s.hwm", prefix);
- if (!(pdesc.dfp = fopen(dname, mode)))
+ if (!(pdesc->dfp = fopen(dname, mode)))
{
perror(dname);
+ free(pdesc);
return ((PWDICT *) 0);
}
- if (!(pdesc.ifp = fopen(iname, mode)))
+ if (!(pdesc->ifp = fopen(iname, mode)))
{
- fclose(pdesc.dfp);
+ fclose(pdesc->dfp);
perror(iname);
+ free(pdesc);
return ((PWDICT *) 0);
}
- if (pdesc.wfp = fopen(wname, mode))
+ if (pdesc->wfp = fopen(wname, mode))
{
- pdesc.flags |= PFOR_USEHWMS;
+ pdesc->flags |= PFOR_USEHWMS;
}
- ifp = pdesc.ifp;
- dfp = pdesc.dfp;
- wfp = pdesc.wfp;
+ ifp = pdesc->ifp;
+ dfp = pdesc->dfp;
+ wfp = pdesc->wfp;
if (mode[0] == 'w')
{
- pdesc.flags |= PFOR_WRITE;
- pdesc.header.pih_magic = PIH_MAGIC;
- pdesc.header.pih_blocklen = NUMWORDS;
- pdesc.header.pih_numwords = 0;
+ pdesc->flags |= PFOR_WRITE;
+ pdesc->header.pih_magic = PIH_MAGIC;
+ pdesc->header.pih_blocklen = NUMWORDS;
+ pdesc->header.pih_numwords = 0;
- fwrite((char *) &pdesc.header, sizeof(pdesc.header), 1, ifp);
+ fwrite((char *) &pdesc->header, sizeof(pdesc->header), 1, ifp);
} else
{
- pdesc.flags &= ~PFOR_WRITE;
+ pdesc->flags &= ~PFOR_WRITE;
- if (!fread((char *) &pdesc.header, sizeof(pdesc.header), 1, ifp))
+ if (!fread((char *) &pdesc->header, sizeof(pdesc->header), 1, ifp))
{
fprintf(stderr, "%s: error reading header\n", prefix);
- pdesc.header.pih_magic = 0;
+ pdesc->header.pih_magic = 0;
fclose(ifp);
fclose(dfp);
+ free(pdesc);
return ((PWDICT *) 0);
}
- if (pdesc.header.pih_magic != PIH_MAGIC)
+ if (pdesc->header.pih_magic != PIH_MAGIC)
{
fprintf(stderr, "%s: magic mismatch\n", prefix);
- pdesc.header.pih_magic = 0;
+ pdesc->header.pih_magic = 0;
fclose(ifp);
fclose(dfp);
+ free(pdesc);
return ((PWDICT *) 0);
}
- if (pdesc.header.pih_blocklen != NUMWORDS)
+ if (pdesc->header.pih_blocklen != NUMWORDS)
{
fprintf(stderr, "%s: size mismatch\n", prefix);
- pdesc.header.pih_magic = 0;
+ pdesc->header.pih_magic = 0;
fclose(ifp);
fclose(dfp);
+ free(pdesc);
return ((PWDICT *) 0);
}
- if (pdesc.flags & PFOR_USEHWMS)
+ if (pdesc->flags & PFOR_USEHWMS)
{
- if (fread(pdesc.hwms, 1, sizeof(pdesc.hwms), wfp) != sizeof(pdesc.hwms))
+ if (fread(pdesc->hwms, 1, sizeof(pdesc->hwms), wfp) != sizeof(pdesc->hwms))
{
- pdesc.flags &= ~PFOR_USEHWMS;
+ pdesc->flags &= ~PFOR_USEHWMS;
}
}
}
-
- return (&pdesc);
+ pdesc->canfree = 1;
+ return (pdesc);
}
int
@@ -159,8 +161,13 @@
fclose(pwp->ifp);
fclose(pwp->dfp);
+ if (pwp->wfp)
+ fclose(pwp->wfp);
- pwp->header.pih_magic = 0;
+ if (pwp->canfree)
+ free(pwp);
+ else
+ pwp->header.pih_magic = 0;
return (0);
}
@@ -307,6 +314,11 @@
register char *this;
int idx;
+/*
+ * comment in npasswd-2.0beta4 says this:
+ * This does not work under all circumstances, so don't bother
+ */
+#if 0
if (pwp->flags & PFOR_USEHWMS)
{
idx = string[0] & 0xff;
@@ -317,6 +329,10 @@
lwm = 0;
hwm = PW_WORDS(pwp) - 1;
}
+#else
+ lwm = 0;
+ hwm = PW_WORDS(pwp);
+#endif
#ifdef DEBUG
printf("---- %lu, %lu ----\n", lwm, hwm);
diff -ur orig/cracklib26_small/util/mkdict cracklib26_small/util/mkdict
--- orig/cracklib26_small/util/mkdict Fri Jul 9 22:23:03 1993
+++ cracklib26_small/util/mkdict Sat Apr 4 22:31:45 1998
@@ -14,9 +14,16 @@
SORT="sort"
###SORT="sort -T /tmp"
-cat $* |
+### Use zcat to read compressed (as well as uncompressed) dictionaries.
+### Compressed dictionaries can save quite a lot of disk space.
+
+CAT="gzip -cdf"
+###CAT="zcat"
+###CAT="cat"
+
+$CAT $* |
tr '[A-Z]' '[a-z]' |
- tr -cd '[\012a-z0-9]' |
+ tr -cd '\012[a-z][0-9]' |
$SORT |
uniq |
grep -v '^#' |
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