projects / exim.git / blame
| Commit | Line | Data |
|---|---|---|
| 0756eb3c PH |
1 | /************************************************* |
| 2 | * Exim - an Internet mail transport agent * | |
| 3 | *************************************************/ | |
| 4 | ||
| 5 | /* | |
| 6 | * This file provides the necessary methods for authenticating with | |
| 7 | * Microsoft's Secure Password Authentication. | |
| 8 | ||
| 9 | * All the code used here was torn by Marc Prud'hommeaux out of the | |
| 10 | * Samba project (by Andrew Tridgell, Jeremy Allison, and others). | |
| 11 | */ | |
| 8e669ac1 PH |
12 | |
| 13 | /* December 2004: The spa_base64_to_bits() function has no length checking in | |
| 14 | it. I have added a check. PH */ | |
| 0756eb3c PH |
15 | |
| 16 | /* It seems that some systems have existing but different definitions of some | |
| 17 | of the following types. I received a complaint about "int16" causing | |
| 18 | compilation problems. So I (PH) have renamed them all, to be on the safe side. | |
| 19 | ||
| 20 | typedef signed short int16; | |
| 21 | typedef unsigned short uint16; | |
| 22 | typedef unsigned uint32; | |
| 23 | typedef unsigned char uint8; | |
| 24 | */ | |
| 25 | ||
| 26 | typedef signed short int16x; | |
| 27 | typedef unsigned short uint16x; | |
| 28 | typedef unsigned uint32x; | |
| 29 | typedef unsigned char uint8x; | |
| 30 | ||
| 31 | typedef struct | |
| 32 | { | |
| 384152a6 TK |
33 | uint16x len; |
| 34 | uint16x maxlen; | |
| 35 | uint32x offset; | |
| 0756eb3c PH |
36 | } SPAStrHeader; |
| 37 | ||
| 38 | typedef struct | |
| 39 | { | |
| 384152a6 TK |
40 | char ident[8]; |
| 41 | uint32x msgType; | |
| 0756eb3c | 42 | SPAStrHeader uDomain; |
| 384152a6 TK |
43 | uint32x flags; |
| 44 | uint8x challengeData[8]; | |
| 45 | uint8x reserved[8]; | |
| 0756eb3c | 46 | SPAStrHeader emptyString; |
| 384152a6 TK |
47 | uint8x buffer[1024]; |
| 48 | uint32x bufIndex; | |
| 0756eb3c PH |
49 | } SPAAuthChallenge; |
| 50 | ||
| 51 | ||
| 52 | typedef struct | |
| 53 | { | |
| 384152a6 TK |
54 | char ident[8]; |
| 55 | uint32x msgType; | |
| 56 | uint32x flags; | |
| 0756eb3c PH |
57 | SPAStrHeader user; |
| 58 | SPAStrHeader domain; | |
| 384152a6 TK |
59 | uint8x buffer[1024]; |
| 60 | uint32x bufIndex; | |
| 0756eb3c PH |
61 | } SPAAuthRequest; |
| 62 | ||
| 63 | typedef struct | |
| 64 | { | |
| 384152a6 TK |
65 | char ident[8]; |
| 66 | uint32x msgType; | |
| 0756eb3c PH |
67 | SPAStrHeader lmResponse; |
| 68 | SPAStrHeader ntResponse; | |
| 69 | SPAStrHeader uDomain; | |
| 70 | SPAStrHeader uUser; | |
| 71 | SPAStrHeader uWks; | |
| 72 | SPAStrHeader sessionKey; | |
| 384152a6 TK |
73 | uint32x flags; |
| 74 | uint8x buffer[1024]; | |
| 75 | uint32x bufIndex; | |
| 0756eb3c PH |
76 | } SPAAuthResponse; |
| 77 | ||
| 78 | #define spa_request_length(ptr) (((ptr)->buffer - (uint8x*)(ptr)) + (ptr)->bufIndex) | |
| 79 | ||
| 80 | void spa_bits_to_base64 (unsigned char *, const unsigned char *, int); | |
| 85b87bc2 | 81 | int spa_base64_to_bits(char *, int, const char *); |
| 0756eb3c PH |
82 | void spa_build_auth_response (SPAAuthChallenge *challenge, |
| 83 | SPAAuthResponse *response, char *user, char *password); | |
| 84 | void spa_build_auth_request (SPAAuthRequest *request, char *user, | |
| 85 | char *domain); | |
| 86 | extern void spa_smb_encrypt (unsigned char * passwd, unsigned char * c8, | |
| 87 | unsigned char * p24); | |
| 88 | extern void spa_smb_nt_encrypt (unsigned char * passwd, unsigned char * c8, | |
| 89 | unsigned char * p24); | |
| 90 | extern char *unicodeToString(char *p, size_t len); | |
| 91 | extern void spa_build_auth_challenge(SPAAuthRequest *, SPAAuthChallenge *); | |
| 92 |