1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ 2 /* lib/krb5/krb/copy_ctx.c */ 3 /* 4 * Copyright 1994,1999,2000, 2002, 2003, 2007, 2008, 2009 by the Massachusetts Institute of Technology. 5 * All Rights Reserved. 6 * 7 * Export of this software from the United States of America may 8 * require a specific license from the United States Government. 9 * It is the responsibility of any person or organization contemplating 10 * export to obtain such a license before exporting. 11 * 12 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 13 * distribute this software and its documentation for any purpose and 14 * without fee is hereby granted, provided that the above copyright 15 * notice appear in all copies and that both that copyright notice and 16 * this permission notice appear in supporting documentation, and that 17 * the name of M.I.T. not be used in advertising or publicity pertaining 18 * to distribution of the software without specific, written prior 19 * permission. Furthermore if you modify this software you must label 20 * your software as modified software and not distribute it in such a 21 * fashion that it might be confused with the original M.I.T. software. 22 * M.I.T. makes no representations about the suitability of 23 * this software for any purpose. It is provided "as is" without express 24 * or implied warranty. 25 */ 26 /* 27 * Copyright (C) 1998 by the FundsXpress, INC. 28 * 29 * All rights reserved. 30 * 31 * Export of this software from the United States of America may require 32 * a specific license from the United States Government. It is the 33 * responsibility of any person or organization contemplating export to 34 * obtain such a license before exporting. 35 * 36 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 37 * distribute this software and its documentation for any purpose and 38 * without fee is hereby granted, provided that the above copyright 39 * notice appear in all copies and that both that copyright notice and 40 * this permission notice appear in supporting documentation, and that 41 * the name of FundsXpress. not be used in advertising or publicity pertaining 42 * to distribution of the software without specific, written prior 43 * permission. FundsXpress makes no representations about the suitability of 44 * this software for any purpose. It is provided "as is" without express 45 * or implied warranty. 46 * 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 50 */ 51 52 #include "k5-int.h" 53 #include "int-proto.h" 54 #include <ctype.h> 55 56 krb5_error_code KRB5_CALLCONV 57 krb5_copy_context(krb5_context ctx, krb5_context *nctx_out) 58 { 59 krb5_error_code ret; 60 krb5_context nctx; 61 62 *nctx_out = NULL; 63 if (ctx == NULL) 64 return EINVAL; /* XXX */ 65 66 nctx = malloc(sizeof(*nctx)); 67 if (nctx == NULL) 68 return ENOMEM; 69 70 *nctx = *ctx; 71 72 nctx->tgs_etypes = NULL; 73 nctx->default_realm = NULL; 74 nctx->profile = NULL; 75 nctx->dal_handle = NULL; 76 nctx->prompt_types = NULL; 77 nctx->preauth_context = NULL; 78 nctx->ccselect_handles = NULL; 79 nctx->localauth_handles = NULL; 80 nctx->hostrealm_handles = NULL; 81 nctx->tls = NULL; 82 nctx->kdblog_context = NULL; 83 nctx->trace_callback = NULL; 84 nctx->trace_callback_data = NULL; 85 nctx->err_fmt = NULL; 86 if (ctx->err_fmt != NULL) 87 nctx->err_fmt = strdup(ctx->err_fmt); /* It's OK if this fails */ 88 nctx->plugin_base_dir = NULL; 89 nctx->os_context.default_ccname = NULL; 90 91 memset(&nctx->libkrb5_plugins, 0, sizeof(nctx->libkrb5_plugins)); 92 memset(&nctx->err, 0, sizeof(nctx->err)); 93 memset(&nctx->plugins, 0, sizeof(nctx->plugins)); 94 95 ret = k5_copy_etypes(ctx->tgs_etypes, &nctx->tgs_etypes); 96 if (ret) 97 goto errout; 98 99 if (ctx->os_context.default_ccname != NULL) { 100 nctx->os_context.default_ccname = 101 strdup(ctx->os_context.default_ccname); 102 if (nctx->os_context.default_ccname == NULL) { 103 ret = ENOMEM; 104 goto errout; 105 } 106 } 107 ret = krb5_get_profile(ctx, &nctx->profile); 108 if (ret) 109 goto errout; 110 nctx->plugin_base_dir = strdup(ctx->plugin_base_dir); 111 if (nctx->plugin_base_dir == NULL) { 112 ret = ENOMEM; 113 goto errout; 114 } 115 116 errout: 117 if (ret) { 118 krb5_free_context(nctx); 119 } else { 120 *nctx_out = nctx; 121 } 122 return ret; 123 } 124