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: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/ |
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32 | /*static char *sccsid = "from: @(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC";*/ |
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33 | static char *rcsid = "$FreeBSD: src/lib/libc/rpc/clnt_perror.c,v 1.11 1999/08/28 00:00:35 peter Exp $"; |
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34 | #endif |
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35 | |
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36 | /* |
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37 | * clnt_perror.c |
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38 | * |
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39 | * Copyright (C) 1984, Sun Microsystems, Inc. |
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40 | * |
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41 | */ |
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42 | #include <stdio.h> |
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43 | #include <stdlib.h> |
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44 | #include <string.h> |
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45 | #include <rpc/rpc.h> |
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46 | #include <rpc/types.h> |
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47 | #include <rpc/auth.h> |
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48 | #include <rpc/clnt.h> |
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49 | |
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50 | static char *auth_errmsg(); |
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51 | #define CLNT_PERROR_BUFLEN 256 |
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52 | |
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53 | #define buf ((char *)((struct rtems_rpc_task_variables *)rtems_rpc_task_variables)->clnt_perror_buf) |
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54 | |
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55 | static char * |
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56 | _buf() |
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57 | { |
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58 | |
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59 | if (buf == 0) |
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60 | buf = (char *)malloc(CLNT_PERROR_BUFLEN); |
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61 | return (buf); |
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62 | } |
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63 | |
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64 | /* |
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65 | * Print reply error info |
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66 | */ |
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67 | char * |
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68 | clnt_sperror(rpch, s) |
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69 | CLIENT *rpch; |
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70 | char *s; |
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71 | { |
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72 | struct rpc_err e; |
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73 | char *err; |
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74 | char *str = _buf(); |
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75 | char *strstart = str; |
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76 | |
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77 | if (str == 0) |
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78 | return (0); |
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79 | CLNT_GETERR(rpch, &e); |
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80 | |
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81 | (void) sprintf(str, "%s: %s", s, clnt_sperrno(e.re_status)); |
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82 | str += strlen(str); |
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83 | |
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84 | switch (e.re_status) { |
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85 | case RPC_SUCCESS: |
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86 | case RPC_CANTENCODEARGS: |
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87 | case RPC_CANTDECODERES: |
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88 | case RPC_TIMEDOUT: |
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89 | case RPC_PROGUNAVAIL: |
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90 | case RPC_PROCUNAVAIL: |
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91 | case RPC_CANTDECODEARGS: |
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92 | case RPC_SYSTEMERROR: |
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93 | case RPC_UNKNOWNHOST: |
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94 | case RPC_UNKNOWNPROTO: |
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95 | case RPC_PMAPFAILURE: |
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96 | case RPC_PROGNOTREGISTERED: |
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97 | case RPC_FAILED: |
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98 | break; |
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99 | |
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100 | case RPC_CANTSEND: |
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101 | case RPC_CANTRECV: |
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102 | (void) snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), |
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103 | "; errno = %s\n", strerror(e.re_errno)); |
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104 | break; |
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105 | |
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106 | case RPC_VERSMISMATCH: |
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107 | (void) sprintf(str, |
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108 | "; low version = %lu, high version = %lu\n", |
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109 | (u_long)e.re_vers.low, (u_long)e.re_vers.high); |
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110 | break; |
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111 | |
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112 | case RPC_AUTHERROR: |
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113 | err = auth_errmsg(e.re_why); |
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114 | (void) sprintf(str,"; why = "); |
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115 | str += strlen(str); |
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116 | if (err != NULL) { |
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117 | (void) sprintf(str, "%s\n",err); |
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118 | } else { |
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119 | (void) sprintf(str, |
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120 | "(unknown authentication error - %d)\n", |
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121 | (int) e.re_why); |
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122 | } |
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123 | break; |
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124 | |
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125 | case RPC_PROGVERSMISMATCH: |
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126 | (void) sprintf(str, |
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127 | "; low version = %lu, high version = %lu\n", |
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128 | (u_long)e.re_vers.low, (u_long)e.re_vers.high); |
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129 | break; |
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130 | |
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131 | default: /* unknown */ |
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132 | (void) sprintf(str, |
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133 | "; s1 = %lu, s2 = %lu\n", |
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134 | (long)e.re_lb.s1, (long)e.re_lb.s2); |
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135 | break; |
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136 | } |
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137 | strstart[CLNT_PERROR_BUFLEN-2] = '\n'; |
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138 | strstart[CLNT_PERROR_BUFLEN-1] = '\0'; |
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139 | return(strstart) ; |
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140 | } |
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141 | |
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142 | void |
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143 | clnt_perror(rpch, s) |
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144 | CLIENT *rpch; |
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145 | char *s; |
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146 | { |
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147 | (void) fprintf(stderr,"%s\n",clnt_sperror(rpch,s)); |
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148 | } |
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149 | |
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150 | |
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151 | static const char *const rpc_errlist[] = { |
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152 | "RPC: Success", /* 0 - RPC_SUCCESS */ |
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153 | "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ |
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154 | "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ |
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155 | "RPC: Unable to send", /* 3 - RPC_CANTSEND */ |
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156 | "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ |
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157 | "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ |
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158 | "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ |
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159 | "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ |
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160 | "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ |
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161 | "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ |
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162 | "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ |
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163 | "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ |
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164 | "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ |
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165 | "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ |
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166 | "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ |
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167 | "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ |
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168 | "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ |
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169 | "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ |
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170 | }; |
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171 | |
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172 | |
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173 | /* |
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174 | * This interface for use by clntrpc |
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175 | */ |
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176 | char * |
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177 | clnt_sperrno(stat) |
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178 | enum clnt_stat stat; |
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179 | { |
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180 | unsigned int errnum = stat; |
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181 | |
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182 | if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) |
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183 | return (char *)rpc_errlist[errnum]; |
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184 | |
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185 | return ("RPC: (unknown error code)"); |
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186 | } |
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187 | |
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188 | void |
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189 | clnt_perrno(num) |
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190 | enum clnt_stat num; |
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191 | { |
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192 | (void) fprintf(stderr,"%s\n",clnt_sperrno(num)); |
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193 | } |
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194 | |
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195 | |
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196 | char * |
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197 | clnt_spcreateerror(s) |
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198 | char *s; |
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199 | { |
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200 | char *str = _buf(); |
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201 | |
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202 | if (str == 0) |
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203 | return(0); |
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204 | switch (rpc_createerr.cf_stat) { |
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205 | case RPC_PMAPFAILURE: |
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206 | (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s, |
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207 | clnt_sperrno(rpc_createerr.cf_stat), |
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208 | clnt_sperrno(rpc_createerr.cf_error.re_status)); |
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209 | break; |
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210 | |
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211 | case RPC_SYSTEMERROR: |
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212 | (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s, |
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213 | clnt_sperrno(rpc_createerr.cf_stat), |
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214 | strerror(rpc_createerr.cf_error.re_errno)); |
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215 | break; |
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216 | default: |
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217 | (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s\n", s, |
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218 | clnt_sperrno(rpc_createerr.cf_stat)); |
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219 | break; |
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220 | } |
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221 | str[CLNT_PERROR_BUFLEN-2] = '\n'; |
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222 | str[CLNT_PERROR_BUFLEN-1] = '\0'; |
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223 | return (str); |
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224 | } |
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225 | |
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226 | void |
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227 | clnt_pcreateerror(s) |
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228 | char *s; |
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229 | { |
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230 | (void) fprintf(stderr,"%s\n",clnt_spcreateerror(s)); |
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231 | } |
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232 | |
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233 | static const char *const auth_errlist[] = { |
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234 | "Authentication OK", /* 0 - AUTH_OK */ |
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235 | "Invalid client credential", /* 1 - AUTH_BADCRED */ |
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236 | "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ |
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237 | "Invalid client verifier", /* 3 - AUTH_BADVERF */ |
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238 | "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ |
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239 | "Client credential too weak", /* 5 - AUTH_TOOWEAK */ |
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240 | "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ |
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241 | "Failed (unspecified error)" /* 7 - AUTH_FAILED */ |
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242 | }; |
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243 | |
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244 | static char * |
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245 | auth_errmsg(stat) |
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246 | enum auth_stat stat; |
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247 | { |
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248 | unsigned int errnum = stat; |
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249 | |
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250 | if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) |
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251 | return (char *)auth_errlist[errnum]; |
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252 | |
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253 | return(NULL); |
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254 | } |
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