usr/src/common/net/wanboot/http_errorstr.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2002-2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <unistd.h>
  30 #include <string.h>
  31 #include <errno.h>
  32 #include <sys/types.h>
  33
  34 #include <openssl/ssl.h>
  35 #include <openssl/err.h>
  36
  37 #include <boot_http.h>
  38
  39 #ifndef _BOOT
  40 extern  const char *hstrerror(int);
  41 #endif
  42
  43 static const char *errlist[] = {
  44         /* EHTTP_BADARG */      "One or more arguments are not valid",
  45         /* EHTTP_NOMEM */       "Insufficient memory",
  46         /* EHTTP_CONCLOSED */   "SSL connection is closed (but maybe not the"
  47                                 " underlying connection)",
  48         /* EHTTP_UNEXPECTED */  "SSL connection returned unexpected error",
  49         /* EHTTP_EOFERR */      "Unexpected/premature EOF",
  50         /* EHTTP_NOCERT */      "No certificate was presented",
  51         /* EHTTP_NOMATCH */     "'Peername' doesn't match 'host' or no "
  52                                 "matching entry",
  53         /* EHTTP_NODATA */      "No data was returned",
  54         /* EHTTP_NOT_1_1 */     "Not a HTTP/1.1 server",
  55         /* EHTTP_BADHDR */      "Invalid header",
  56         /* EHTTP_OORANGE */     "Request header line out of range",
  57         /* EHTTP_NORESP */      "No response or partial response received",
  58         /* EHTTP_BADRESP */     "Bad response or error response returned",
  59         /* EHTTP_NOHEADER */    "Chunked header expected but not found",
  60         /* EHTTP_NOBOUNDARY */  "Boundary line expected but not found",
  61         /* EHTTP_NOTMULTI */    "This is not a multipart transfer",
  62         /* EHTTP_BADSIZE */     "Could not determine msg body size"
  63 };
  64 static int      nerrs = { sizeof (errlist) / sizeof (errlist[0]) };
  65
  66 /*
  67  * http_errorstr - print the error associated with the source and errorcode
  68  *
  69  * Arguments:
  70  *   errsrc     - Which library caused the error (as returned by
  71  *                http_get_lasterr())
  72  *   error      - The error code returned
  73  *
  74  * Returns:
  75  *   Pointer to error string for this error.
  76  */
  77 char const *
  78 http_errorstr(uint_t errsrc, ulong_t error)
  79 {
  80         char const *msg = NULL;
  81 #ifdef _BOOT
  82         static char message[128];
  83 #endif
  84         switch (errsrc) {
  85         case ERRSRC_SYSTEM:
  86                 msg = strerror(error);
  87                 if (msg == NULL)
  88                         msg = "Unknown system error";
  89                 break;
  90         case ERRSRC_LIBHTTP:
  91                 if (error == 0 || error > nerrs)
  92                         msg = "Unknown libhttp error";
  93                 else
  94                         msg = errlist[error - 1];
  95                 break;
  96         case ERRSRC_RESOLVE:
  97 #ifdef _BOOT
  98                 (void) sprintf(message, "Host retrieval error %lu\n", error);
  99                 msg = message;
 100 #else
 101                 msg = hstrerror(error);
 102 #endif
 103                 break;
 104         case ERRSRC_VERIFERR:
 105                 msg = X509_verify_cert_error_string(error);
 106                 break;
 107         case ERRSRC_LIBSSL:
 108                 msg = ERR_error_string(error, NULL);
 109                 break;
 110         default:
 111                 msg = "Unknown error";
 112                 break;
 113         }
 114
 115         return (msg);
 116 }