X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=libraries%2Fliblutil%2Fpasswd.c;h=d5ab32617261f06e9f4a11ab9df444d3aae4b4f0;hb=8452b4ccde09a41c7e21cff66ec4f566b1a34e28;hp=8e727a4111bc91c2e85caf255cedbe7273e27c41;hpb=9c6428b29e4c963df0f2597d7917a5bdc35dcb04;p=openldap diff --git a/libraries/liblutil/passwd.c b/libraries/liblutil/passwd.c index 8e727a4111..d5ab326172 100644 --- a/libraries/liblutil/passwd.c +++ b/libraries/liblutil/passwd.c @@ -1,7 +1,7 @@ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * - * Copyright 1998-2004 The OpenLDAP Foundation. + * Copyright 1998-2012 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -33,16 +33,33 @@ #include #include -#ifdef SLAPD_SPASSWD -# ifdef HAVE_SASL_SASL_H -# include -# else -# include -# endif -#endif - #if defined(SLAPD_LMHASH) +#if defined(HAVE_OPENSSL) # include + + +typedef des_cblock des_key; +typedef des_cblock des_data_block; +typedef des_key_schedule des_context; +#define des_failed(encrypted) 0 +#define des_finish(key, schedule) + +#elif defined(HAVE_MOZNSS) +/* + hack hack hack + We need to define this here so that nspr/obsolete/protypes.h will not be included + if that file is included, it will create a uint32 typedef that will cause the + one in lutil_sha1.h to blow up +*/ +#define PROTYPES_H 1 +# include +typedef PK11SymKey *des_key; +typedef unsigned char des_data_block[8]; +typedef PK11Context *des_context[1]; +#define DES_ENCRYPT CKA_ENCRYPT + +#endif + #endif /* SLAPD_LMHASH */ #include @@ -50,7 +67,7 @@ #ifdef SLAPD_CRYPT # include -# if defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD ) +# if defined( HAVE_GETPWNAM ) && defined( HAVE_STRUCT_PASSWD_PW_PASSWD ) # ifdef HAVE_SHADOW_H # include # endif @@ -77,8 +94,14 @@ static const unsigned char crypt64[] = #ifdef SLAPD_CRYPT static char *salt_format = NULL; +static lutil_cryptfunc lutil_crypt; +lutil_cryptfunc *lutil_cryptptr = lutil_crypt; #endif +/* KLUDGE: + * chk_fn is NULL iff name is {CLEARTEXT} + * otherwise, things will break + */ struct pw_scheme { struct berval name; LUTIL_PASSWD_CHK_FUNC *chk_fn; @@ -112,15 +135,11 @@ static LUTIL_PASSWD_CHK_FUNC chk_lanman; static LUTIL_PASSWD_HASH_FUNC hash_lanman; #endif -#ifdef SLAPD_SPASSWD -static LUTIL_PASSWD_CHK_FUNC chk_sasl; -#endif - #ifdef SLAPD_CRYPT static LUTIL_PASSWD_CHK_FUNC chk_crypt; static LUTIL_PASSWD_HASH_FUNC hash_crypt; -#if defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD ) +#if defined( HAVE_GETPWNAM ) && defined( HAVE_STRUCT_PASSWD_PW_PASSWD ) static LUTIL_PASSWD_CHK_FUNC chk_unix; #endif #endif @@ -132,6 +151,7 @@ static LUTIL_PASSWD_HASH_FUNC hash_clear; #endif static struct pw_slist *pw_schemes; +static int pw_inited; static const struct pw_scheme pw_schemes_default[] = { @@ -147,20 +167,16 @@ static const struct pw_scheme pw_schemes_default[] = { BER_BVC("{LANMAN}"), chk_lanman, hash_lanman }, #endif /* SLAPD_LMHASH */ -#ifdef SLAPD_SPASSWD - { BER_BVC("{SASL}"), chk_sasl, NULL }, -#endif - #ifdef SLAPD_CRYPT { BER_BVC("{CRYPT}"), chk_crypt, hash_crypt }, -# if defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD ) +# if defined( HAVE_GETPWNAM ) && defined( HAVE_STRUCT_PASSWD_PW_PASSWD ) { BER_BVC("{UNIX}"), chk_unix, NULL }, # endif #endif #ifdef SLAPD_CLEARTEXT /* pseudo scheme */ - { {0, "{CLEARTEXT}"}, NULL, hash_clear }, + { BER_BVC("{CLEARTEXT}"), NULL, hash_clear }, #endif { BER_BVNULL, NULL, NULL } @@ -173,6 +189,8 @@ int lutil_passwd_add( { struct pw_slist *ptr; + if (!pw_inited) lutil_passwd_init(); + ptr = ber_memalloc( sizeof( struct pw_slist )); if (!ptr) return -1; ptr->next = pw_schemes; @@ -185,11 +203,12 @@ int lutil_passwd_add( void lutil_passwd_init() { - struct pw_slist *ptr; struct pw_scheme *s; + pw_inited = 1; + for( s=(struct pw_scheme *)pw_schemes_default; s->name.bv_val; s++) { - if ( lutil_passwd_add( &s->name, s->chk_fn, s->hash_fn )) break; + if ( lutil_passwd_add( &s->name, s->chk_fn, s->hash_fn ) ) break; } } @@ -207,11 +226,19 @@ static const struct pw_scheme *get_scheme( const char* scheme ) { struct pw_slist *pws; + struct berval bv; - if (!pw_schemes) lutil_passwd_init(); + if (!pw_inited) lutil_passwd_init(); + + bv.bv_val = strchr( scheme, '}' ); + if ( !bv.bv_val ) + return NULL; + + bv.bv_len = bv.bv_val - scheme + 1; + bv.bv_val = (char *) scheme; for( pws=pw_schemes; pws; pws=pws->next ) { - if( strcasecmp(scheme, pws->s.name.bv_val ) == 0 ) { + if ( ber_bvstrcasecmp(&bv, &pws->s.name ) == 0 ) { return &(pws->s); } } @@ -288,7 +315,7 @@ lutil_passwd( return -1; } - if (!pw_schemes) lutil_passwd_init(); + if (!pw_inited) lutil_passwd_init(); for( pws=pw_schemes; pws; pws=pws->next ) { if( pws->s.chk_fn ) { @@ -303,36 +330,37 @@ lutil_passwd( } #ifdef SLAPD_CLEARTEXT + /* Do we think there is a scheme specifier here that we + * didn't recognize? Assume a scheme name is at least 1 character. + */ + if (( passwd->bv_val[0] == '{' ) && + ( ber_bvchr( passwd, '}' ) > passwd->bv_val+1 )) + { + return 1; + } if( is_allowed_scheme("{CLEARTEXT}", schemes ) ) { - return (( passwd->bv_len == cred->bv_len ) && - ( passwd->bv_val[0] != '{' /*'}'*/ )) - ? memcmp( passwd->bv_val, cred->bv_val, passwd->bv_len ) + return ( passwd->bv_len == cred->bv_len ) ? + memcmp( passwd->bv_val, cred->bv_val, passwd->bv_len ) : 1; } #endif return 1; } -struct berval * lutil_passwd_generate( ber_len_t len ) +int lutil_passwd_generate( struct berval *pw, ber_len_t len ) { - struct berval *pw; - if( len < 1 ) return NULL; - - pw = ber_memalloc( sizeof( struct berval ) ); - if( pw == NULL ) return NULL; + if( len < 1 ) return -1; pw->bv_len = len; pw->bv_val = ber_memalloc( len + 1 ); if( pw->bv_val == NULL ) { - ber_memfree( pw ); - return NULL; + return -1; } if( lutil_entropy( (unsigned char *) pw->bv_val, pw->bv_len) < 0 ) { - ber_bvfree( pw ); - return NULL; + return -1; } for( len = 0; len < pw->bv_len; len++ ) { @@ -342,76 +370,77 @@ struct berval * lutil_passwd_generate( ber_len_t len ) pw->bv_val[len] = '\0'; - return pw; + return 0; } -struct berval * lutil_passwd_hash( +int lutil_passwd_hash( const struct berval * passwd, const char * method, + struct berval *hash, const char **text ) { const struct pw_scheme *sc = get_scheme( method ); + hash->bv_val = NULL; + hash->bv_len = 0; + if( sc == NULL ) { if( text ) *text = "scheme not recognized"; - return NULL; + return -1; } if( ! sc->hash_fn ) { if( text ) *text = "scheme provided no hash function"; - return NULL; + return -1; } if( text ) *text = NULL; - return (sc->hash_fn)( &sc->name, passwd, text ); + return (sc->hash_fn)( &sc->name, passwd, hash, text ); } /* pw_string is only called when SLAPD_LMHASH or SLAPD_CRYPT is defined */ #if defined(SLAPD_LMHASH) || defined(SLAPD_CRYPT) -static struct berval * pw_string( +static int pw_string( const struct berval *sc, - const struct berval *passwd ) + struct berval *passwd ) { - struct berval *pw = ber_memalloc( sizeof( struct berval ) ); - if( pw == NULL ) return NULL; + struct berval pw; - pw->bv_len = sc->bv_len + passwd->bv_len; - pw->bv_val = ber_memalloc( pw->bv_len + 1 ); + pw.bv_len = sc->bv_len + passwd->bv_len; + pw.bv_val = ber_memalloc( pw.bv_len + 1 ); - if( pw->bv_val == NULL ) { - ber_memfree( pw ); - return NULL; + if( pw.bv_val == NULL ) { + return LUTIL_PASSWD_ERR; } - AC_MEMCPY( pw->bv_val, sc->bv_val, sc->bv_len ); - AC_MEMCPY( &pw->bv_val[sc->bv_len], passwd->bv_val, passwd->bv_len ); + AC_MEMCPY( pw.bv_val, sc->bv_val, sc->bv_len ); + AC_MEMCPY( &pw.bv_val[sc->bv_len], passwd->bv_val, passwd->bv_len ); + + pw.bv_val[pw.bv_len] = '\0'; + *passwd = pw; - pw->bv_val[pw->bv_len] = '\0'; - return pw; + return LUTIL_PASSWD_OK; } #endif /* SLAPD_LMHASH || SLAPD_CRYPT */ -static struct berval * pw_string64( +int lutil_passwd_string64( const struct berval *sc, const struct berval *hash, + struct berval *b64, const struct berval *salt ) { int rc; struct berval string; - struct berval *b64 = ber_memalloc( sizeof(struct berval) ); size_t b64len; - if( b64 == NULL ) return NULL; - if( salt ) { /* need to base64 combined string */ string.bv_len = hash->bv_len + salt->bv_len; string.bv_val = ber_memalloc( string.bv_len + 1 ); if( string.bv_val == NULL ) { - ber_memfree( b64 ); - return NULL; + return LUTIL_PASSWD_ERR; } AC_MEMCPY( string.bv_val, hash->bv_val, @@ -430,8 +459,7 @@ static struct berval * pw_string64( if( b64->bv_val == NULL ) { if( salt ) ber_memfree( string.bv_val ); - ber_memfree( b64 ); - return NULL; + return LUTIL_PASSWD_ERR; } AC_MEMCPY(b64->bv_val, sc->bv_val, sc->bv_len); @@ -443,14 +471,13 @@ static struct berval * pw_string64( if( salt ) ber_memfree( string.bv_val ); if( rc < 0 ) { - ber_bvfree( b64 ); - return NULL; + return LUTIL_PASSWD_ERR; } /* recompute length */ b64->bv_len = sc->bv_len + rc; assert( strlen(b64->bv_val) == b64->bv_len ); - return b64; + return LUTIL_PASSWD_OK; } /* PASSWORD CHECK ROUTINES */ @@ -467,23 +494,23 @@ static int chk_ssha1( int rc; unsigned char *orig_pass = NULL; - /* safety check */ - if (LUTIL_BASE64_DECODE_LEN(passwd->bv_len) < - sizeof(SHA1digest)+SALT_SIZE) { - return -1; + /* safety check -- must have some salt */ + if (LUTIL_BASE64_DECODE_LEN(passwd->bv_len) <= sizeof(SHA1digest)) { + return LUTIL_PASSWD_ERR; } /* decode base64 password */ orig_pass = (unsigned char *) ber_memalloc( (size_t) ( LUTIL_BASE64_DECODE_LEN(passwd->bv_len) + 1) ); - if( orig_pass == NULL ) return -1; + if( orig_pass == NULL ) return LUTIL_PASSWD_ERR; rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len); - if (rc < (int)(sizeof(SHA1digest)+SALT_SIZE)) { + /* safety check -- must have some salt */ + if (rc <= (int)(sizeof(SHA1digest))) { ber_memfree(orig_pass); - return -1; + return LUTIL_PASSWD_ERR; } /* hash credentials with salt */ @@ -498,7 +525,7 @@ static int chk_ssha1( /* compare */ rc = memcmp((char *)orig_pass, (char *)SHA1digest, sizeof(SHA1digest)); ber_memfree(orig_pass); - return rc ? 1 : 0; + return rc ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK; } static int chk_sha1( @@ -514,20 +541,20 @@ static int chk_sha1( /* safety check */ if (LUTIL_BASE64_DECODE_LEN(passwd->bv_len) < sizeof(SHA1digest)) { - return -1; + return LUTIL_PASSWD_ERR; } /* base64 un-encode password */ orig_pass = (unsigned char *) ber_memalloc( (size_t) ( LUTIL_BASE64_DECODE_LEN(passwd->bv_len) + 1) ); - if( orig_pass == NULL ) return -1; + if( orig_pass == NULL ) return LUTIL_PASSWD_ERR; rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len); if( rc != sizeof(SHA1digest) ) { ber_memfree(orig_pass); - return -1; + return LUTIL_PASSWD_ERR; } /* hash credentials with salt */ @@ -539,7 +566,7 @@ static int chk_sha1( /* compare */ rc = memcmp((char *)orig_pass, (char *)SHA1digest, sizeof(SHA1digest)); ber_memfree(orig_pass); - return rc ? 1 : 0; + return rc ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK; } #endif @@ -555,22 +582,21 @@ static int chk_smd5( unsigned char *orig_pass = NULL; /* safety check */ - if (LUTIL_BASE64_DECODE_LEN(passwd->bv_len) < - sizeof(MD5digest)+SALT_SIZE) { - return -1; + if (LUTIL_BASE64_DECODE_LEN(passwd->bv_len) <= sizeof(MD5digest)) { + return LUTIL_PASSWD_ERR; } /* base64 un-encode password */ orig_pass = (unsigned char *) ber_memalloc( (size_t) ( LUTIL_BASE64_DECODE_LEN(passwd->bv_len) + 1) ); - if( orig_pass == NULL ) return -1; + if( orig_pass == NULL ) return LUTIL_PASSWD_ERR; rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len); - if (rc < (int)(sizeof(MD5digest)+SALT_SIZE)) { + if (rc <= (int)(sizeof(MD5digest))) { ber_memfree(orig_pass); - return -1; + return LUTIL_PASSWD_ERR; } /* hash credentials with salt */ @@ -586,7 +612,7 @@ static int chk_smd5( /* compare */ rc = memcmp((char *)orig_pass, (char *)MD5digest, sizeof(MD5digest)); ber_memfree(orig_pass); - return rc ? 1 : 0; + return rc ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK; } static int chk_md5( @@ -602,19 +628,19 @@ static int chk_md5( /* safety check */ if (LUTIL_BASE64_DECODE_LEN(passwd->bv_len) < sizeof(MD5digest)) { - return -1; + return LUTIL_PASSWD_ERR; } /* base64 un-encode password */ orig_pass = (unsigned char *) ber_memalloc( (size_t) ( LUTIL_BASE64_DECODE_LEN(passwd->bv_len) + 1) ); - if( orig_pass == NULL ) return -1; + if( orig_pass == NULL ) return LUTIL_PASSWD_ERR; rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len); if ( rc != sizeof(MD5digest) ) { ber_memfree(orig_pass); - return -1; + return LUTIL_PASSWD_ERR; } /* hash credentials with salt */ @@ -627,10 +653,110 @@ static int chk_md5( /* compare */ rc = memcmp((char *)orig_pass, (char *)MD5digest, sizeof(MD5digest)); ber_memfree(orig_pass); - return rc ? 1 : 0; + return rc ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK; } #ifdef SLAPD_LMHASH + +#if defined(HAVE_OPENSSL) + +/* + * abstract away setting the parity. + */ +static void +des_set_key_and_parity( des_key *key, unsigned char *keyData) +{ + memcpy(key, keyData, 8); + des_set_odd_parity( key ); +} + + +#elif defined(HAVE_MOZNSS) + +/* + * implement MozNSS wrappers for the openSSL calls + */ +static void +des_set_key_and_parity( des_key *key, unsigned char *keyData) +{ + SECItem keyDataItem; + PK11SlotInfo *slot; + *key = NULL; + + keyDataItem.data = keyData; + keyDataItem.len = 8; + + slot = PK11_GetBestSlot(CKM_DES_ECB, NULL); + if (slot == NULL) { + return; + } + + /* NOTE: this will not work in FIPS mode. In order to make lmhash + * work in fips mode we need to define a LMHASH pbe mechanism and + * do the fulll key derivation inside the token */ + *key = PK11_ImportSymKey(slot, CKM_DES_ECB, PK11_OriginGenerated, + CKA_ENCRYPT, &keyDataItem, NULL); +} + +static void +des_set_key_unchecked( des_key *key, des_context ctxt ) +{ + ctxt[0] = NULL; + + /* handle error conditions from previous call */ + if (!*key) { + return; + } + + ctxt[0] = PK11_CreateContextBySymKey(CKM_DES_ECB, CKA_ENCRYPT, *key, NULL); +} + +static void +des_ecb_encrypt( des_data_block *plain, des_data_block *encrypted, + des_context ctxt, int op) +{ + SECStatus rv; + int size; + + if (ctxt[0] == NULL) { + /* need to fail here... */ + memset(encrypted, 0, sizeof(des_data_block)); + return; + } + rv = PK11_CipherOp(ctxt[0], (unsigned char *)&encrypted[0], + &size, sizeof(des_data_block), + (unsigned char *)&plain[0], sizeof(des_data_block)); + if (rv != SECSuccess) { + /* signal failure */ + memset(encrypted, 0, sizeof(des_data_block)); + return; + } + return; +} + +static int +des_failed(des_data_block *encrypted) +{ + static const des_data_block zero = { 0 }; + return memcmp(encrypted, zero, sizeof(zero)) == 0; +} + +static void +des_finish(des_key *key, des_context ctxt) +{ + if (*key) { + PK11_FreeSymKey(*key); + *key = NULL; + } + if (ctxt[0]) { + PK11_Finalize(ctxt[0]); + PK11_DestroyContext(ctxt[0], PR_TRUE); + ctxt[0] = NULL; + } +} + +#endif + /* pseudocode from RFC2433 * A.2 LmPasswordHash() * @@ -690,20 +816,23 @@ static int chk_md5( */ static void lmPasswd_to_key( - const unsigned char *lmPasswd, - des_cblock *key) + const char *lmPasswd, + des_key *key) { + const unsigned char *lpw = (const unsigned char *) lmPasswd; + unsigned char k[8]; + /* make room for parity bits */ - ((char *)key)[0] = lmPasswd[0]; - ((char *)key)[1] = ((lmPasswd[0]&0x01)<<7) | (lmPasswd[1]>>1); - ((char *)key)[2] = ((lmPasswd[1]&0x03)<<6) | (lmPasswd[2]>>2); - ((char *)key)[3] = ((lmPasswd[2]&0x07)<<5) | (lmPasswd[3]>>3); - ((char *)key)[4] = ((lmPasswd[3]&0x0F)<<4) | (lmPasswd[4]>>4); - ((char *)key)[5] = ((lmPasswd[4]&0x1F)<<3) | (lmPasswd[5]>>5); - ((char *)key)[6] = ((lmPasswd[5]&0x3F)<<2) | (lmPasswd[6]>>6); - ((char *)key)[7] = ((lmPasswd[6]&0x7F)<<1); + k[0] = lpw[0]; + k[1] = ((lpw[0] & 0x01) << 7) | (lpw[1] >> 1); + k[2] = ((lpw[1] & 0x03) << 6) | (lpw[2] >> 2); + k[3] = ((lpw[2] & 0x07) << 5) | (lpw[3] >> 3); + k[4] = ((lpw[3] & 0x0F) << 4) | (lpw[4] >> 4); + k[5] = ((lpw[4] & 0x1F) << 3) | (lpw[5] >> 5); + k[6] = ((lpw[5] & 0x3F) << 2) | (lpw[6] >> 6); + k[7] = ((lpw[6] & 0x7F) << 1); - des_set_odd_parity( key ); + des_set_key_and_parity( key, k ); } static int chk_lanman( @@ -712,22 +841,22 @@ static int chk_lanman( const struct berval *cred, const char **text ) { - int i; + ber_len_t i; char UcasePassword[15]; - des_cblock key; - des_key_schedule schedule; - des_cblock StdText = "KGS!@#$%"; - des_cblock PasswordHash1, PasswordHash2; + des_key key; + des_context schedule; + des_data_block StdText = "KGS!@#$%"; + des_data_block PasswordHash1, PasswordHash2; char PasswordHash[33], storedPasswordHash[33]; for( i=0; ibv_len; i++) { if(cred->bv_val[i] == '\0') { - return -1; /* NUL character in password */ + return LUTIL_PASSWD_ERR; /* NUL character in password */ } } if( cred->bv_val[i] != '\0' ) { - return -1; /* passwd must behave like a string */ + return LUTIL_PASSWD_ERR; /* passwd must behave like a string */ } strncpy( UcasePassword, cred->bv_val, 14 ); @@ -737,10 +866,19 @@ static int chk_lanman( lmPasswd_to_key( UcasePassword, &key ); des_set_key_unchecked( &key, schedule ); des_ecb_encrypt( &StdText, &PasswordHash1, schedule , DES_ENCRYPT ); + + if (des_failed(&PasswordHash1)) { + return LUTIL_PASSWD_ERR; + } lmPasswd_to_key( &UcasePassword[7], &key ); des_set_key_unchecked( &key, schedule ); des_ecb_encrypt( &StdText, &PasswordHash2, schedule , DES_ENCRYPT ); + if (des_failed(&PasswordHash2)) { + return LUTIL_PASSWD_ERR; + } + + des_finish( &key, schedule ); sprintf( PasswordHash, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", PasswordHash1[0],PasswordHash1[1],PasswordHash1[2],PasswordHash1[3], @@ -753,112 +891,69 @@ static int chk_lanman( storedPasswordHash[32] = '\0'; ldap_pvt_str2lower( storedPasswordHash ); - return memcmp( PasswordHash, storedPasswordHash, 32) ? 1 : 0; + return memcmp( PasswordHash, storedPasswordHash, 32) ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK; } #endif /* SLAPD_LMHASH */ -#ifdef SLAPD_SPASSWD -#ifdef HAVE_CYRUS_SASL -sasl_conn_t *lutil_passwd_sasl_conn = NULL; -#endif - -static int chk_sasl( - const struct berval *sc, - const struct berval * passwd, - const struct berval * cred, - const char **text ) +#ifdef SLAPD_CRYPT +static int lutil_crypt( + const char *key, + const char *salt, + char **hash ) { - unsigned int i; - int rtn; - - for( i=0; ibv_len; i++) { - if(cred->bv_val[i] == '\0') { - return 1; /* NUL character in password */ - } - } - - if( cred->bv_val[i] != '\0' ) { - return 1; /* cred must behave like a string */ - } + char *cr = crypt( key, salt ); + int rc; - for( i=0; ibv_len; i++) { - if(passwd->bv_val[i] == '\0') { - return 1; /* NUL character in password */ + if( cr == NULL || cr[0] == '\0' ) { + /* salt must have been invalid */ + rc = LUTIL_PASSWD_ERR; + } else { + if ( hash ) { + *hash = ber_strdup( cr ); + rc = LUTIL_PASSWD_OK; + } else { + rc = strcmp( salt, cr ) ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK; } } - - if( passwd->bv_val[i] != '\0' ) { - return 1; /* passwd must behave like a string */ - } - - rtn = 1; - -#ifdef HAVE_CYRUS_SASL - if( lutil_passwd_sasl_conn != NULL ) { - int sc; -# if SASL_VERSION_MAJOR < 2 - sc = sasl_checkpass( lutil_passwd_sasl_conn, - passwd->bv_val, passwd->bv_len, - cred->bv_val, cred->bv_len, - text ); -# else - sc = sasl_checkpass( lutil_passwd_sasl_conn, - passwd->bv_val, passwd->bv_len, - cred->bv_val, cred->bv_len ); -# endif - rtn = ( sc != SASL_OK ); - } -#endif - - return rtn; + return rc; } -#endif -#ifdef SLAPD_CRYPT static int chk_crypt( const struct berval *sc, const struct berval * passwd, const struct berval * cred, const char **text ) { - char *cr; unsigned int i; for( i=0; ibv_len; i++) { if(cred->bv_val[i] == '\0') { - return 1; /* NUL character in password */ + return LUTIL_PASSWD_ERR; /* NUL character in password */ } } if( cred->bv_val[i] != '\0' ) { - return -1; /* cred must behave like a string */ + return LUTIL_PASSWD_ERR; /* cred must behave like a string */ } if( passwd->bv_len < 2 ) { - return -1; /* passwd must be at least two characters long */ + return LUTIL_PASSWD_ERR; /* passwd must be at least two characters long */ } for( i=0; ibv_len; i++) { if(passwd->bv_val[i] == '\0') { - return -1; /* NUL character in password */ + return LUTIL_PASSWD_ERR; /* NUL character in password */ } } if( passwd->bv_val[i] != '\0' ) { - return -1; /* passwd must behave like a string */ + return LUTIL_PASSWD_ERR; /* passwd must behave like a string */ } - cr = crypt( cred->bv_val, passwd->bv_val ); - - if( cr == NULL || cr[0] == '\0' ) { - /* salt must have been invalid */ - return -1; - } - - return strcmp( passwd->bv_val, cr ) ? 1 : 0; + return lutil_cryptptr( cred->bv_val, passwd->bv_val, NULL ); } -# if defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD ) +# if defined( HAVE_GETPWNAM ) && defined( HAVE_STRUCT_PASSWD_PW_PASSWD ) static int chk_unix( const struct berval *sc, const struct berval * passwd, @@ -866,32 +961,32 @@ static int chk_unix( const char **text ) { unsigned int i; - char *pw,*cr; + char *pw; for( i=0; ibv_len; i++) { if(cred->bv_val[i] == '\0') { - return -1; /* NUL character in password */ + return LUTIL_PASSWD_ERR; /* NUL character in password */ } } if( cred->bv_val[i] != '\0' ) { - return -1; /* cred must behave like a string */ + return LUTIL_PASSWD_ERR; /* cred must behave like a string */ } for( i=0; ibv_len; i++) { if(passwd->bv_val[i] == '\0') { - return -1; /* NUL character in password */ + return LUTIL_PASSWD_ERR; /* NUL character in password */ } } if( passwd->bv_val[i] != '\0' ) { - return -1; /* passwd must behave like a string */ + return LUTIL_PASSWD_ERR; /* passwd must behave like a string */ } { struct passwd *pwd = getpwnam(passwd->bv_val); if(pwd == NULL) { - return -1; /* not found */ + return LUTIL_PASSWD_ERR; /* not found */ } pw = pwd->pw_passwd; @@ -917,18 +1012,10 @@ static int chk_unix( if( pw == NULL || pw[0] == '\0' || pw[1] == '\0' ) { /* password must must be at least two characters long */ - return -1; - } - - cr = crypt(cred->bv_val, pw); - - if( cr == NULL || cr[0] == '\0' ) { - /* salt must have been invalid */ - return -1; + return LUTIL_PASSWD_ERR; } - return strcmp(pw, cr) ? 1 : 0; - + return lutil_cryptptr( cred->bv_val, pw, NULL ); } # endif #endif @@ -936,9 +1023,10 @@ static int chk_unix( /* PASSWORD GENERATION ROUTINES */ #ifdef LUTIL_SHA1_BYTES -static struct berval *hash_ssha1( +static int hash_ssha1( const struct berval *scheme, const struct berval *passwd, + struct berval *hash, const char **text ) { lutil_SHA1_CTX SHA1context; @@ -953,7 +1041,7 @@ static struct berval *hash_ssha1( salt.bv_len = sizeof(saltdata); if( lutil_entropy( (unsigned char *) salt.bv_val, salt.bv_len) < 0 ) { - return NULL; + return LUTIL_PASSWD_ERR; } lutil_SHA1Init( &SHA1context ); @@ -963,12 +1051,13 @@ static struct berval *hash_ssha1( (const unsigned char *)salt.bv_val, salt.bv_len ); lutil_SHA1Final( SHA1digest, &SHA1context ); - return pw_string64( scheme, &digest, &salt); + return lutil_passwd_string64( scheme, &digest, hash, &salt); } -static struct berval *hash_sha1( +static int hash_sha1( const struct berval *scheme, const struct berval *passwd, + struct berval *hash, const char **text ) { lutil_SHA1_CTX SHA1context; @@ -982,13 +1071,14 @@ static struct berval *hash_sha1( (const unsigned char *)passwd->bv_val, passwd->bv_len ); lutil_SHA1Final( SHA1digest, &SHA1context ); - return pw_string64( scheme, &digest, NULL); + return lutil_passwd_string64( scheme, &digest, hash, NULL); } #endif -static struct berval *hash_smd5( +static int hash_smd5( const struct berval *scheme, const struct berval *passwd, + struct berval *hash, const char **text ) { lutil_MD5_CTX MD5context; @@ -1003,7 +1093,7 @@ static struct berval *hash_smd5( salt.bv_len = sizeof(saltdata); if( lutil_entropy( (unsigned char *) salt.bv_val, salt.bv_len) < 0 ) { - return NULL; + return LUTIL_PASSWD_ERR; } lutil_MD5Init( &MD5context ); @@ -1013,12 +1103,13 @@ static struct berval *hash_smd5( (const unsigned char *) salt.bv_val, salt.bv_len ); lutil_MD5Final( MD5digest, &MD5context ); - return pw_string64( scheme, &digest, &salt ); + return lutil_passwd_string64( scheme, &digest, hash, &salt ); } -static struct berval *hash_md5( +static int hash_md5( const struct berval *scheme, const struct berval *passwd, + struct berval *hash, const char **text ) { lutil_MD5_CTX MD5context; @@ -1034,34 +1125,34 @@ static struct berval *hash_md5( (const unsigned char *) passwd->bv_val, passwd->bv_len ); lutil_MD5Final( MD5digest, &MD5context ); - return pw_string64( scheme, &digest, NULL ); + return lutil_passwd_string64( scheme, &digest, hash, NULL ); ; } #ifdef SLAPD_LMHASH -static struct berval *hash_lanman( +static int hash_lanman( const struct berval *scheme, const struct berval *passwd, + struct berval *hash, const char **text ) { - int i; + ber_len_t i; char UcasePassword[15]; - des_cblock key; - des_key_schedule schedule; - des_cblock StdText = "KGS!@#$%"; - des_cblock PasswordHash1, PasswordHash2; + des_key key; + des_context schedule; + des_data_block StdText = "KGS!@#$%"; + des_data_block PasswordHash1, PasswordHash2; char PasswordHash[33]; - struct berval hash; for( i=0; ibv_len; i++) { if(passwd->bv_val[i] == '\0') { - return NULL; /* NUL character in password */ + return LUTIL_PASSWD_ERR; /* NUL character in password */ } } if( passwd->bv_val[i] != '\0' ) { - return NULL; /* passwd must behave like a string */ + return LUTIL_PASSWD_ERR; /* passwd must behave like a string */ } strncpy( UcasePassword, passwd->bv_val, 14 ); @@ -1082,35 +1173,37 @@ static struct berval *hash_lanman( PasswordHash2[0],PasswordHash2[1],PasswordHash2[2],PasswordHash2[3], PasswordHash2[4],PasswordHash2[5],PasswordHash2[6],PasswordHash2[7] ); - hash.bv_val = PasswordHash; - hash.bv_len = 32; + hash->bv_val = PasswordHash; + hash->bv_len = 32; - return pw_string( scheme, &hash ); + return pw_string( scheme, hash ); } #endif /* SLAPD_LMHASH */ #ifdef SLAPD_CRYPT -static struct berval *hash_crypt( +static int hash_crypt( const struct berval *scheme, const struct berval *passwd, + struct berval *hash, const char **text ) { - struct berval hash; unsigned char salt[32]; /* salt suitable for most anything */ unsigned int i; + char *save; + int rc; for( i=0; ibv_len; i++) { if(passwd->bv_val[i] == '\0') { - return NULL; /* NUL character in password */ + return LUTIL_PASSWD_ERR; /* NUL character in password */ } } if( passwd->bv_val[i] != '\0' ) { - return NULL; /* passwd must behave like a string */ + return LUTIL_PASSWD_ERR; /* passwd must behave like a string */ } if( lutil_entropy( salt, sizeof( salt ) ) < 0 ) { - return NULL; + return LUTIL_PASSWD_ERR; } for( i=0; i< ( sizeof(salt) - 1 ); i++ ) { @@ -1126,38 +1219,45 @@ static struct berval *hash_crypt( snprintf( (char *) salt, sizeof(entropy), salt_format, entropy ); } - hash.bv_val = crypt( passwd->bv_val, (char *) salt ); + rc = lutil_cryptptr( passwd->bv_val, (char *) salt, &hash->bv_val ); + if ( rc != LUTIL_PASSWD_OK ) return rc; - if( hash.bv_val == NULL ) return NULL; + if( hash->bv_val == NULL ) return -1; - hash.bv_len = strlen( hash.bv_val ); + hash->bv_len = strlen( hash->bv_val ); - if( hash.bv_len == 0 ) { - return NULL; - } + save = hash->bv_val; - return pw_string( scheme, &hash ); + if( hash->bv_len == 0 ) { + rc = LUTIL_PASSWD_ERR; + } else { + rc = pw_string( scheme, hash ); + } + ber_memfree( save ); + return rc; } #endif int lutil_salt_format(const char *format) { #ifdef SLAPD_CRYPT - free( salt_format ); + ber_memfree( salt_format ); - salt_format = format != NULL ? strdup( format ) : NULL; + salt_format = format != NULL ? ber_strdup( format ) : NULL; #endif return 0; } #ifdef SLAPD_CLEARTEXT -static struct berval *hash_clear( +static int hash_clear( const struct berval *scheme, const struct berval *passwd, + struct berval *hash, const char **text ) { - return ber_bvdup( (struct berval *) passwd ); + ber_dupbv( hash, (struct berval *)passwd ); + return LUTIL_PASSWD_OK; } #endif