1 | /* |
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2 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for |
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3 | * unrestricted use provided that this legend is included on all tape |
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4 | * media and as a part of the software program in whole or part. Users |
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5 | * may copy or modify Sun RPC without charge, but are not authorized |
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6 | * to license or distribute it to anyone else except as part of a product or |
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7 | * program developed by the user. |
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8 | * |
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9 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE |
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10 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR |
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11 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. |
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12 | * |
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13 | * Sun RPC is provided with no support and without any obligation on the |
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14 | * part of Sun Microsystems, Inc. to assist in its use, correction, |
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15 | * modification or enhancement. |
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16 | * |
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17 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE |
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18 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC |
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19 | * OR ANY PART THEREOF. |
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20 | * |
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21 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue |
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22 | * or profits or other special, indirect and consequential damages, even if |
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23 | * Sun has been advised of the possibility of such damages. |
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24 | * |
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25 | * Sun Microsystems, Inc. |
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26 | * 2550 Garcia Avenue |
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27 | * Mountain View, California 94043 |
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28 | */ |
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29 | |
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30 | #if defined(LIBC_SCCS) && !defined(lint) |
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31 | /*static char *sccsid = "from: @(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro";*/ |
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32 | /*static char *sccsid = "from: @(#)auth_none.c 2.1 88/07/29 4.0 RPCSRC";*/ |
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33 | static char *rcsid = "$FreeBSD: src/lib/libc/rpc/auth_none.c,v 1.9 1999/08/28 00:00:32 peter Exp $"; |
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34 | #endif |
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35 | |
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36 | /* |
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37 | * auth_none.c |
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38 | * Creates a client authentication handle for passing "null" |
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39 | * credentials and verifiers to remote systems. |
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40 | * |
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41 | * Copyright (C) 1984, Sun Microsystems, Inc. |
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42 | */ |
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43 | |
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44 | #include <stdlib.h> |
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45 | #include <rpc/types.h> |
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46 | #include <rpc/xdr.h> |
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47 | #include <rpc/auth.h> |
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48 | #define MAX_MARSHAL_SIZE 20 |
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49 | |
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50 | /* |
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51 | * Authenticator operations routines |
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52 | */ |
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53 | static void authnone_verf(AUTH*); |
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54 | static void authnone_destroy(AUTH*); |
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55 | static int authnone_marshal(AUTH*, XDR*); |
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56 | static int authnone_validate(AUTH*, struct opaque_auth *); |
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57 | static int authnone_refresh(AUTH*); |
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58 | |
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59 | static struct auth_ops ops = { |
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60 | authnone_verf, |
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61 | authnone_marshal, |
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62 | authnone_validate, |
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63 | authnone_refresh, |
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64 | authnone_destroy |
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65 | }; |
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66 | |
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67 | static struct authnone_private { |
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68 | AUTH no_client; |
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69 | char marshalled_client[MAX_MARSHAL_SIZE]; |
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70 | u_int mcnt; |
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71 | } *authnone_private; |
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72 | |
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73 | AUTH * |
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74 | authnone_create() |
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75 | { |
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76 | struct authnone_private *ap = authnone_private; |
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77 | XDR xdr_stream; |
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78 | XDR *xdrs; |
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79 | |
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80 | if (ap == 0) { |
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81 | ap = (struct authnone_private *)calloc(1, sizeof (*ap)); |
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82 | if (ap == 0) |
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83 | return (0); |
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84 | authnone_private = ap; |
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85 | } |
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86 | if (!ap->mcnt) { |
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87 | ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; |
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88 | ap->no_client.ah_ops = &ops; |
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89 | xdrs = &xdr_stream; |
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90 | xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHAL_SIZE, |
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91 | XDR_ENCODE); |
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92 | (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred); |
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93 | (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf); |
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94 | ap->mcnt = XDR_GETPOS(xdrs); |
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95 | XDR_DESTROY(xdrs); |
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96 | } |
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97 | return (&ap->no_client); |
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98 | } |
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99 | |
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100 | /*ARGSUSED*/ |
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101 | static int |
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102 | authnone_marshal(AUTH *client, XDR *xdrs) |
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103 | { |
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104 | struct authnone_private *ap = authnone_private; |
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105 | |
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106 | if (ap == 0) |
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107 | return (0); |
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108 | return ((*xdrs->x_ops->x_putbytes)(xdrs, |
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109 | ap->marshalled_client, ap->mcnt)); |
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110 | } |
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111 | |
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112 | static void |
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113 | authnone_verf(AUTH *client) |
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114 | { |
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115 | } |
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116 | |
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117 | static int |
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118 | authnone_validate(AUTH *client, struct opaque_auth *opaque) |
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119 | { |
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120 | |
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121 | return (TRUE); |
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122 | } |
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123 | |
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124 | static int |
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125 | authnone_refresh(AUTH *client) |
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126 | { |
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127 | |
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128 | return (FALSE); |
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129 | } |
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130 | |
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131 | static void |
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132 | authnone_destroy(AUTH *client) |
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133 | { |
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134 | } |
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