/* $NetBSD: mod.c,v 1.2.22.1 2023/08/11 13:39:55 martin Exp $ */ /* * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "kadmin_locl.h" #include "kadmin-commands.h" static void add_tl(kadm5_principal_ent_rec *princ, int type, krb5_data *data) { krb5_tl_data *tl, **ptl; tl = ecalloc(1, sizeof(*tl)); tl->tl_data_next = NULL; tl->tl_data_type = type; tl->tl_data_length = data->length; tl->tl_data_contents = data->data; princ->n_tl_data++; ptl = &princ->tl_data; while (*ptl != NULL) ptl = &(*ptl)->tl_data_next; *ptl = tl; return; } static void add_constrained_delegation(krb5_context contextp, kadm5_principal_ent_rec *princ, struct getarg_strings *strings) { krb5_error_code ret; HDB_extension ext; krb5_data buf; size_t size = 0; memset(&ext, 0, sizeof(ext)); ext.mandatory = FALSE; ext.data.element = choice_HDB_extension_data_allowed_to_delegate_to; if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { ext.data.u.allowed_to_delegate_to.val = NULL; ext.data.u.allowed_to_delegate_to.len = 0; } else { krb5_principal p; int i; ext.data.u.allowed_to_delegate_to.val = calloc(strings->num_strings, sizeof(ext.data.u.allowed_to_delegate_to.val[0])); ext.data.u.allowed_to_delegate_to.len = strings->num_strings; for (i = 0; i < strings->num_strings; i++) { ret = krb5_parse_name(contextp, strings->strings[i], &p); if (ret) abort(); ret = copy_Principal(p, &ext.data.u.allowed_to_delegate_to.val[i]); if (ret) abort(); krb5_free_principal(contextp, p); } } ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, &ext, &size, ret); free_HDB_extension(&ext); if (ret) abort(); if (buf.length != size) abort(); add_tl(princ, KRB5_TL_EXTENSION, &buf); } static void add_aliases(krb5_context contextp, kadm5_principal_ent_rec *princ, struct getarg_strings *strings) { krb5_error_code ret = 0; HDB_extension ext; krb5_data buf; krb5_principal p; size_t size = 0; int i; memset(&ext, 0, sizeof(ext)); ext.mandatory = FALSE; ext.data.element = choice_HDB_extension_data_aliases; ext.data.u.aliases.case_insensitive = 0; if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { ext.data.u.aliases.aliases.val = NULL; ext.data.u.aliases.aliases.len = 0; } else { ext.data.u.aliases.aliases.val = calloc(strings->num_strings, sizeof(ext.data.u.aliases.aliases.val[0])); ext.data.u.aliases.aliases.len = strings->num_strings; for (i = 0; ret == 0 && i < strings->num_strings; i++) { ret = krb5_parse_name(contextp, strings->strings[i], &p); if (ret) krb5_err(contextp, 1, ret, "Could not parse alias %s", strings->strings[i]); if (ret == 0) ret = copy_Principal(p, &ext.data.u.aliases.aliases.val[i]); if (ret) krb5_err(contextp, 1, ret, "Could not copy parsed alias %s", strings->strings[i]); krb5_free_principal(contextp, p); } } ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, &ext, &size, ret); free_HDB_extension(&ext); if (ret) abort(); if (buf.length != size) abort(); add_tl(princ, KRB5_TL_EXTENSION, &buf); } static void add_pkinit_acl(krb5_context contextp, kadm5_principal_ent_rec *princ, struct getarg_strings *strings) { krb5_error_code ret; HDB_extension ext; krb5_data buf; size_t size = 0; int i; memset(&ext, 0, sizeof(ext)); ext.mandatory = FALSE; ext.data.element = choice_HDB_extension_data_pkinit_acl; ext.data.u.aliases.case_insensitive = 0; if (strings->num_strings == 1 && strings->strings[0][0] == '\0') { ext.data.u.pkinit_acl.val = NULL; ext.data.u.pkinit_acl.len = 0; } else { ext.data.u.pkinit_acl.val = calloc(strings->num_strings, sizeof(ext.data.u.pkinit_acl.val[0])); ext.data.u.pkinit_acl.len = strings->num_strings; for (i = 0; i < strings->num_strings; i++) { ext.data.u.pkinit_acl.val[i].subject = estrdup(strings->strings[i]); } } ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, &ext, &size, ret); free_HDB_extension(&ext); if (ret) abort(); if (buf.length != size) abort(); add_tl(princ, KRB5_TL_EXTENSION, &buf); } static void add_kvno_diff(krb5_context contextp, kadm5_principal_ent_rec *princ, int is_svc_diff, krb5_kvno kvno_diff) { krb5_error_code ret; HDB_extension ext; krb5_data buf; size_t size = 0; if (kvno_diff < 0) return; if (kvno_diff > 2048) kvno_diff = 2048; if (is_svc_diff) { ext.data.element = choice_HDB_extension_data_hist_kvno_diff_svc; ext.data.u.hist_kvno_diff_svc = (unsigned int)kvno_diff; } else { ext.data.element = choice_HDB_extension_data_hist_kvno_diff_clnt; ext.data.u.hist_kvno_diff_clnt = (unsigned int)kvno_diff; } ASN1_MALLOC_ENCODE(HDB_extension, buf.data, buf.length, &ext, &size, ret); if (ret) abort(); if (buf.length != size) abort(); add_tl(princ, KRB5_TL_EXTENSION, &buf); } static int do_mod_entry(krb5_principal principal, void *data) { krb5_error_code ret; kadm5_principal_ent_rec princ; int mask = 0; struct modify_options *e = data; memset (&princ, 0, sizeof(princ)); ret = kadm5_get_principal(kadm_handle, principal, &princ, KADM5_PRINCIPAL | KADM5_ATTRIBUTES | KADM5_MAX_LIFE | KADM5_MAX_RLIFE | KADM5_PRINC_EXPIRE_TIME | KADM5_PW_EXPIRATION); if(ret) return ret; if(e->max_ticket_life_string || e->max_renewable_life_string || e->expiration_time_string || e->pw_expiration_time_string || e->attributes_string || e->policy_string || e->kvno_integer != -1 || e->constrained_delegation_strings.num_strings || e->alias_strings.num_strings || e->pkinit_acl_strings.num_strings || e->hist_kvno_diff_clnt_integer != -1 || e->hist_kvno_diff_svc_integer != -1) { ret = set_entry(context, &princ, &mask, e->max_ticket_life_string, e->max_renewable_life_string, e->expiration_time_string, e->pw_expiration_time_string, e->attributes_string, e->policy_string); if(e->kvno_integer != -1) { princ.kvno = e->kvno_integer; mask |= KADM5_KVNO; } if (e->constrained_delegation_strings.num_strings) { add_constrained_delegation(context, &princ, &e->constrained_delegation_strings); mask |= KADM5_TL_DATA; } if (e->alias_strings.num_strings) { add_aliases(context, &princ, &e->alias_strings); mask |= KADM5_TL_DATA; } if (e->pkinit_acl_strings.num_strings) { add_pkinit_acl(context, &princ, &e->pkinit_acl_strings); mask |= KADM5_TL_DATA; } if (e->hist_kvno_diff_clnt_integer != -1) { add_kvno_diff(context, &princ, 0, e->hist_kvno_diff_clnt_integer); mask |= KADM5_TL_DATA; } if (e->hist_kvno_diff_svc_integer != -1) { add_kvno_diff(context, &princ, 1, e->hist_kvno_diff_svc_integer); mask |= KADM5_TL_DATA; } } else ret = edit_entry(&princ, &mask, NULL, 0); if(ret == 0) { ret = kadm5_modify_principal(kadm_handle, &princ, mask); if(ret) krb5_warn(context, ret, "kadm5_modify_principal"); } kadm5_free_principal_ent(kadm_handle, &princ); return ret; } int mod_entry(struct modify_options *opt, int argc, char **argv) { krb5_error_code ret = 0; int i; for(i = 0; i < argc; i++) { ret = foreach_principal(argv[i], do_mod_entry, "mod", opt); if (ret) break; } return ret != 0; }