d2a3f974ab
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3815 ec53bebd-3082-4978-b11e-865c3cabbd6b
120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/*
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* Copyright (c) 1997 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Kungliga Tekniska
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* Högskolan and its contributors.
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*
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* 4. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kadm5_locl.h"
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RCSID("$Id$");
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static struct units acl_units[] = {
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{ "list", KADM5_ACL_LIST },
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{ "delete", KADM5_ACL_DELETE },
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{ "chpass", KADM5_ACL_CHPASS },
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{ "modify", KADM5_ACL_MODIFY },
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{ "add", KADM5_ACL_CREATE },
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{ "get", KADM5_ACL_GET },
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{ NULL }
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};
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kadm5_ret_t
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_kadm5_acl_init(kadm5_server_context *context)
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{
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FILE *f;
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char buf[128];
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krb5_principal princ;
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int flags;
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krb5_error_code ret;
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krb5_parse_name(context->context, KADM5_ADMIN_SERVICE, &princ);
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if(krb5_principal_compare(context->context, context->caller, princ)){
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krb5_free_principal(context->context, princ);
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context->acl_flags = ~0;
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return 0;
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}
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flags = -1;
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f = fopen(context->acl_file, "r");
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if(f){
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while(fgets(buf, sizeof(buf), f)){
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char *foo = NULL, *p;
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p = strtok_r(buf, " \t\n", &foo);
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if(p == NULL)
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continue;
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ret = krb5_parse_name(context->context, p, &princ);
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if(ret)
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continue;
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if(!krb5_principal_compare(context->context,
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context->caller, princ)){
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krb5_free_principal(context->context, princ);
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continue;
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}
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krb5_free_principal(context->context, princ);
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p = strtok_r(NULL, "\n", &foo);
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if(p == NULL)
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continue;
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flags = parse_flags(p, acl_units, 0);
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break;
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}
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fclose(f);
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}
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if(flags == -1)
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flags = 0;
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context->acl_flags = flags;
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return 0;
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}
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kadm5_ret_t
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_kadm5_acl_check_permission(kadm5_server_context *context, unsigned op)
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{
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unsigned res = ~context->acl_flags & op;
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if(res & KADM5_ACL_GET)
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return KADM5_AUTH_GET;
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if(res & KADM5_ACL_CREATE)
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return KADM5_AUTH_ADD;
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if(res & KADM5_ACL_MODIFY)
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return KADM5_AUTH_MODIFY;
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if(res & KADM5_ACL_DELETE)
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return KADM5_AUTH_DELETE;
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if(res & KADM5_ACL_CHPASS)
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return KADM5_AUTH_CHANGEPW;
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if(res & KADM5_ACL_LIST)
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return KADM5_AUTH_LIST;
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if(res)
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return KADM5_AUTH_INSUFFICIENT;
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return 0;
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}
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