ppp/sme7/ppp-2.4.4-HashorBin.patch

diff -ru ppp-2.4.4.orig/pppd/chap_ms.c ppp-2.4.4+ldap/pppd/chap_ms.c
--- ppp-2.4.4.orig/pppd/chap_ms.c       2006-05-21 07:56:40.000000000 -0400
+++ ppp-2.4.4+ldap/pppd/chap_ms.c       2006-11-17 16:47:11.000000000 -0500
@@ -529,17 +529,73 @@
 
 }
 
+/* From libsmb - From SAMBA */
+/*
+ * Routine to get the 32 hex characters and turn them
+ * into a 16 byte array.
+ */
+int gethexpwd(unsigned char *p, unsigned char *pwd)
+{
+   
+       int i;
+       unsigned char lonybble, hinybble;
+       char *hexchars = "0123456789ABCDEF";
+       char *p1, *p2;
+   
+         for (i = 0; i < 32; i += 2) 
+       {
+         
+         hinybble = toupper(p[i]);
+         lonybble = toupper(p[i + 1]);
+         
+           p1 = strchr(hexchars, hinybble);
+         p2 = strchr(hexchars, lonybble);
+         
+           if (!p1 || !p2) 
+             {
+                
+                    return (0);
+                
+             }
+         
+         hinybble = (p1 - hexchars);
+         lonybble = (p2 - hexchars);
+         
+           pwd[i / 2] = (hinybble << 4) | lonybble;
+             
+       }
+   
+       return (1);
+   
+}
+
+/*
+ * Hash the Unicode version of the secret (== password).
+ * Or get the binary representation of the secret
+ * if it already looks like a hash
+ */
+void
+HashorBin(char secret[], int secret_len, u_char PasswordHash[])
+{
+    u_char unicodePassword[MAX_NT_PASSWORD * 2];
+    if (secret_len != 32)
+    {
+        ascii2unicode(secret, secret_len, unicodePassword);
+        NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
+    }
+    else
+    {
+        gethexpwd(secret, PasswordHash);
+    }
+}
+
 static void
 ChapMS_NT(u_char *rchallenge, char *secret, int secret_len,
          u_char NTResponse[24])
 {
-    u_char     unicodePassword[MAX_NT_PASSWORD * 2];
     u_char     PasswordHash[MD4_SIGNATURE_SIZE];
 
-    /* Hash the Unicode version of the secret (== password). */
-    ascii2unicode(secret, secret_len, unicodePassword);
-    NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
-
+    HashorBin(secret, secret_len, PasswordHash);
     ChallengeResponse(rchallenge, PasswordHash, NTResponse);
 }
 
@@ -547,16 +603,12 @@
 ChapMS2_NT(u_char *rchallenge, u_char PeerChallenge[16], char *username,
           char *secret, int secret_len, u_char NTResponse[24])
 {
-    u_char     unicodePassword[MAX_NT_PASSWORD * 2];
     u_char     PasswordHash[MD4_SIGNATURE_SIZE];
     u_char     Challenge[8];
 
     ChallengeHash(PeerChallenge, rchallenge, username, Challenge);
 
-    /* Hash the Unicode version of the secret (== password). */
-    ascii2unicode(secret, secret_len, unicodePassword);
-    NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
-
+    HashorBin(secret, secret_len, PasswordHash);
     ChallengeResponse(Challenge, PasswordHash, NTResponse);
 }
 
@@ -637,13 +689,10 @@
                 u_char *rchallenge, char *username,
                 u_char authResponse[MS_AUTH_RESPONSE_LENGTH+1])
 {
-    u_char     unicodePassword[MAX_NT_PASSWORD * 2];
     u_char     PasswordHash[MD4_SIGNATURE_SIZE];
     u_char     PasswordHashHash[MD4_SIGNATURE_SIZE];
 
-    /* Hash (x2) the Unicode version of the secret (== password). */
-    ascii2unicode(secret, secret_len, unicodePassword);
-    NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
+    HashorBin(secret, secret_len, PasswordHash);
     NTPasswordHash(PasswordHash, sizeof(PasswordHash),
                   PasswordHashHash);
 
@@ -682,13 +731,10 @@
 static void
 Set_Start_Key(u_char *rchallenge, char *secret, int secret_len)
 {
-    u_char     unicodePassword[MAX_NT_PASSWORD * 2];
     u_char     PasswordHash[MD4_SIGNATURE_SIZE];
     u_char     PasswordHashHash[MD4_SIGNATURE_SIZE];
 
-    /* Hash (x2) the Unicode version of the secret (== password). */
-    ascii2unicode(secret, secret_len, unicodePassword);
-    NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
+    HashorBin(secret, secret_len, PasswordHash);
     NTPasswordHash(PasswordHash, sizeof(PasswordHash), PasswordHashHash);
 
     mppe_set_keys(rchallenge, PasswordHashHash);
@@ -797,12 +843,10 @@
 static void
 SetMasterKeys(char *secret, int secret_len, u_char NTResponse[24], int IsServer)
 {
-    u_char     unicodePassword[MAX_NT_PASSWORD * 2];
     u_char     PasswordHash[MD4_SIGNATURE_SIZE];
     u_char     PasswordHashHash[MD4_SIGNATURE_SIZE];
-    /* Hash (x2) the Unicode version of the secret (== password). */
-    ascii2unicode(secret, secret_len, unicodePassword);
-    NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
+
+    HashorBin(secret, secret_len, PasswordHash);
     NTPasswordHash(PasswordHash, sizeof(PasswordHash), PasswordHashHash);
     mppe_set_keys2(PasswordHashHash, NTResponse, IsServer);
 }
1	slords	1.1	diff -ru ppp-2.4.4.orig/pppd/chap_ms.c ppp-2.4.4+ldap/pppd/chap_ms.c
2			--- ppp-2.4.4.orig/pppd/chap_ms.c 2006-05-21 07:56:40.000000000 -0400
3			+++ ppp-2.4.4+ldap/pppd/chap_ms.c 2006-11-17 16:47:11.000000000 -0500
4			@@ -529,17 +529,73 @@
5
6			}
7
8			+/* From libsmb - From SAMBA */
9			+/*
10			+ * Routine to get the 32 hex characters and turn them
11			+ * into a 16 byte array.
12			+ */
13			+int gethexpwd(unsigned char p, unsigned char pwd)
14			+{
15			+
16			+ int i;
17			+ unsigned char lonybble, hinybble;
18			+ char *hexchars = "0123456789ABCDEF";
19			+ char p1, p2;
20			+
21			+ for (i = 0; i < 32; i += 2)
22			+ {
23			+
24			+ hinybble = toupper(p[i]);
25			+ lonybble = toupper(p[i + 1]);
26			+
27			+ p1 = strchr(hexchars, hinybble);
28			+ p2 = strchr(hexchars, lonybble);
29			+
30			+ if (!p1 \|\| !p2)
31			+ {
32			+
33			+ return (0);
34			+
35			+ }
36			+
37			+ hinybble = (p1 - hexchars);
38			+ lonybble = (p2 - hexchars);
39			+
40			+ pwd[i / 2] = (hinybble << 4) \| lonybble;
41			+
42			+ }
43			+
44			+ return (1);
45			+
46			+}
47			+
48			+/*
49			+ * Hash the Unicode version of the secret (== password).
50			+ * Or get the binary representation of the secret
51			+ * if it already looks like a hash
52			+ */
53			+void
54			+HashorBin(char secret[], int secret_len, u_char PasswordHash[])
55			+{
56			+ u_char unicodePassword[MAX_NT_PASSWORD * 2];
57			+ if (secret_len != 32)
58			+ {
59			+ ascii2unicode(secret, secret_len, unicodePassword);
60			+ NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
61			+ }
62			+ else
63			+ {
64			+ gethexpwd(secret, PasswordHash);
65			+ }
66			+}
67			+
68			static void
69			ChapMS_NT(u_char rchallenge, char secret, int secret_len,
70			u_char NTResponse[24])
71			{
72			- u_char unicodePassword[MAX_NT_PASSWORD * 2];
73			u_char PasswordHash[MD4_SIGNATURE_SIZE];
74
75			- /* Hash the Unicode version of the secret (== password). */
76			- ascii2unicode(secret, secret_len, unicodePassword);
77			- NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
78			-
79			+ HashorBin(secret, secret_len, PasswordHash);
80			ChallengeResponse(rchallenge, PasswordHash, NTResponse);
81			}
82
83			@@ -547,16 +603,12 @@
84			ChapMS2_NT(u_char rchallenge, u_char PeerChallenge[16], char username,
85			char *secret, int secret_len, u_char NTResponse[24])
86			{
87			- u_char unicodePassword[MAX_NT_PASSWORD * 2];
88			u_char PasswordHash[MD4_SIGNATURE_SIZE];
89			u_char Challenge[8];
90
91			ChallengeHash(PeerChallenge, rchallenge, username, Challenge);
92
93			- /* Hash the Unicode version of the secret (== password). */
94			- ascii2unicode(secret, secret_len, unicodePassword);
95			- NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
96			-
97			+ HashorBin(secret, secret_len, PasswordHash);
98			ChallengeResponse(Challenge, PasswordHash, NTResponse);
99			}
100
101			@@ -637,13 +689,10 @@
102			u_char rchallenge, char username,
103			u_char authResponse[MS_AUTH_RESPONSE_LENGTH+1])
104			{
105			- u_char unicodePassword[MAX_NT_PASSWORD * 2];
106			u_char PasswordHash[MD4_SIGNATURE_SIZE];
107			u_char PasswordHashHash[MD4_SIGNATURE_SIZE];
108
109			- /* Hash (x2) the Unicode version of the secret (== password). */
110			- ascii2unicode(secret, secret_len, unicodePassword);
111			- NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
112			+ HashorBin(secret, secret_len, PasswordHash);
113			NTPasswordHash(PasswordHash, sizeof(PasswordHash),
114			PasswordHashHash);
115
116			@@ -682,13 +731,10 @@
117			static void
118			Set_Start_Key(u_char rchallenge, char secret, int secret_len)
119			{
120			- u_char unicodePassword[MAX_NT_PASSWORD * 2];
121			u_char PasswordHash[MD4_SIGNATURE_SIZE];
122			u_char PasswordHashHash[MD4_SIGNATURE_SIZE];
123
124			- /* Hash (x2) the Unicode version of the secret (== password). */
125			- ascii2unicode(secret, secret_len, unicodePassword);
126			- NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
127			+ HashorBin(secret, secret_len, PasswordHash);
128			NTPasswordHash(PasswordHash, sizeof(PasswordHash), PasswordHashHash);
129
130			mppe_set_keys(rchallenge, PasswordHashHash);
131			@@ -797,12 +843,10 @@
132			static void
133			SetMasterKeys(char *secret, int secret_len, u_char NTResponse[24], int IsServer)
134			{
135			- u_char unicodePassword[MAX_NT_PASSWORD * 2];
136			u_char PasswordHash[MD4_SIGNATURE_SIZE];
137			u_char PasswordHashHash[MD4_SIGNATURE_SIZE];
138			- /* Hash (x2) the Unicode version of the secret (== password). */
139			- ascii2unicode(secret, secret_len, unicodePassword);
140			- NTPasswordHash(unicodePassword, secret_len * 2, PasswordHash);
141			+
142			+ HashorBin(secret, secret_len, PasswordHash);
143			NTPasswordHash(PasswordHash, sizeof(PasswordHash), PasswordHashHash);
144			mppe_set_keys2(PasswordHashHash, NTResponse, IsServer);
145			}