Return to simpleauth.c CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / new / xns / morexnslib / auth

Annotation of 43BSDTahoe/new/xns/morexnslib/auth/simpleauth.c, revision 1.1

1.1     ! root        1: 
        !             2: /* $Header: simpleauth.c,v 2.3 87/03/23 10:29:12 ed Exp $
        !             3: 
        !             4: /* this module of authentication support contains:
        !             5:  * MakeSimpleCredsAndVerifier
        !             6:  * GetSimpleCredsAndVerifier
        !             7:  * MakeSimpleVerifier
        !             8:  */
        !             9: 
        !            10: /* $Log:       simpleauth.c,v $
        !            11:  * Revision 2.3  87/03/23  10:29:12  ed
        !            12:  * Added alternate GetSimpleCredsAndVerifier to interface with
        !            13:  * environment variable credentials.
        !            14:  * 
        !            15:  * Revision 2.2  86/12/10  17:00:49  ed
        !            16:  * Create MakeSimpleVerifier as separate routine.
        !            17:  * 
        !            18:  * Revision 2.1  86/06/30  12:22:25  jqj
        !            19:  * convert to Authentication v 2.
        !            20:  * 
        !            21:  * Revision 2.0  85/11/21  07:22:26  jqj
        !            22:  * 4.3BSD standard release
        !            23:  * 
        !            24:  * Revision 1.1  85/03/26  06:29:11  jqj
        !            25:  * Initial revision
        !            26:  * 
        !            27:  * Revision 1.1  85/03/26  06:29:11  jqj
        !            28:  * Initial revision
        !            29:  * 
        !            30:  */
        !            31: 
        !            32: #include <xnscourier/Authentication2.h>
        !            33: #include <ctype.h>
        !            34: 
        !            35: Cardinal
        !            36: hashpass(hpw)
        !            37:        char *hpw;
        !            38: {
        !            39:        register unsigned long hash;
        !            40:        register char c;
        !            41: 
        !            42:        hash = 0;
        !            43:        while ((c = *hpw++) != '\0') {
        !            44:                hash = (hash<<16) + (isupper(c) ? tolower(c) : c);
        !            45:                hash %= 65357;
        !            46:        }
        !            47:        return((Cardinal) hash);
        !            48: }
        !            49: 
        !            50: 
        !            51: /*
        !            52:  * Given an XNS name and password, return the appropriate
        !            53:  * credentials and verifier associated with that name.
        !            54:  * Per Authentication Protocol, XSIS ....
        !            55:  */
        !            56: 
        !            57: MakeSimpleCredsAndVerifier(name, pwd, credentials, verifier)
        !            58:        Authentication2_Clearinghouse_Name *name;
        !            59:                                /* the XNS user, in 3 fields */
        !            60:        char *pwd;              /* password, a UNIX string */
        !            61:        Authentication2_Credentials *credentials;
        !            62:                                /* the simple credentials to be returned */
        !            63:        Authentication2_Verifier *verifier;
        !            64:                                /* associated verifier, i.e. HashedPassword */
        !            65: {
        !            66:        Cardinal length;
        !            67:        Unspecified *data, *buf, *seq;
        !            68:        static Authentication2_Clearinghouse_Name nullname = {"","",""};
        !            69: 
        !            70:        /* first, validate arguments */
        !            71:        if (name == 0) name = &nullname;
        !            72:        if (pwd == 0) pwd="";
        !            73:        /* note we do NOT check that things are of appropriate types */
        !            74: 
        !            75:        if (credentials != 0) {
        !            76:                credentials->type = Authentication2_simpleCredentials;
        !            77:                length = sizeof_Authentication2_Clearinghouse_Name(name);
        !            78:                data = Allocate(length);
        !            79:                (void) externalize_Authentication2_Clearinghouse_Name(name,data);
        !            80:                seq = credentials->value.sequence = Allocate(length);
        !            81:                credentials->value.length = length;
        !            82:                buf = data;
        !            83:                for ( ; length > 0; length--, seq++)
        !            84:                    buf += internalize_Unspecified(seq, buf);
        !            85:                free(data);
        !            86:        }
        !            87:        if (verifier != 0) {
        !            88:                verifier->length = 1;
        !            89:                verifier->sequence = Allocate(sizeof_Unspecified(0));
        !            90:                verifier->sequence[0] = (Unspecified) hashpass(pwd);
        !            91:        }
        !            92: }
        !            93: 
        !            94: 
        !            95: /*
        !            96:  * new style: name and pwd are returned
        !            97:  */
        !            98: 
        !            99: GetSimpleCredsAndVerifier(name, pwd, credentials, verifier)
        !           100:        Authentication2_Clearinghouse_Name *name;
        !           101:                                /* the XNS user, in 3 fields */
        !           102:        Cardinal *pwd;          /* password, a hashed Cardinal */
        !           103:        Authentication2_Credentials *credentials;
        !           104:                                /* the simple credentials to be returned */
        !           105:        Authentication2_Verifier *verifier;
        !           106:                                /* associated verifier, i.e. HashedPassword */
        !           107: {
        !           108:        Cardinal length;
        !           109:        char *uname;
        !           110:        Cardinal *upwd, dummypwd;
        !           111:        Unspecified *data, *buf, *seq;
        !           112:        Unspecified buff[100];
        !           113:        static Authentication2_Clearinghouse_Name username;
        !           114:        static Authentication2_Clearinghouse_Name dummyname = {"","",""};
        !           115:        Authentication2_Clearinghouse_Name defaultobjname, CH_StringToName();
        !           116: 
        !           117:        if (name == 0) name= &dummyname;
        !           118:        if (pwd == 0) pwd= &dummypwd;
        !           119:        /* note we do NOT check that things are of appropriate types */
        !           120: 
        !           121:        CH_NameDefault(&defaultobjname);
        !           122:        getXNSuser(&uname, &upwd);
        !           123:        username= CH_StringToName(uname, &defaultobjname);
        !           124: 
        !           125:        externalize_Authentication2_Clearinghouse_Name(&username, buff);
        !           126:        internalize_Authentication2_Clearinghouse_Name(name, buff);
        !           127:        *pwd= *upwd;
        !           128: 
        !           129:        if (credentials != 0) {
        !           130:                credentials->type = Authentication2_simpleCredentials;
        !           131:                length = sizeof_Authentication2_Clearinghouse_Name(&username);
        !           132:                data = Allocate(length);
        !           133:                (void) externalize_Authentication2_Clearinghouse_Name(&username,data);
        !           134:                seq = credentials->value.sequence = Allocate(length);
        !           135:                credentials->value.length = length;
        !           136:                buf = data;
        !           137:                for ( ; length > 0; length--, seq++)
        !           138:                    buf += internalize_Unspecified(seq, buf);
        !           139:                free(data);
        !           140:        }
        !           141:        if (verifier != 0) {
        !           142:                verifier->length = 1;
        !           143:                verifier->sequence = Allocate(sizeof_Unspecified(0));
        !           144:                verifier->sequence[0] = (Unspecified) *upwd;
        !           145:        }
        !           146: }
        !           147: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.