diff options
Diffstat (limited to 'lib/krb5/init_creds.c')
| -rw-r--r-- | lib/krb5/init_creds.c | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/lib/krb5/init_creds.c b/lib/krb5/init_creds.c new file mode 100644 index 0000000..a59c903 --- /dev/null +++ b/lib/krb5/init_creds.c @@ -0,0 +1,442 @@ +/* + * Copyright (c) 1997 - 2004 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 "krb5_locl.h" + +RCSID("$Id: init_creds.c 21711 2007-07-27 14:22:02Z lha $"); + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_init(krb5_get_init_creds_opt *opt) +{ + memset (opt, 0, sizeof(*opt)); + opt->flags = 0; + opt->opt_private = NULL; +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_alloc(krb5_context context, + krb5_get_init_creds_opt **opt) +{ + krb5_get_init_creds_opt *o; + + *opt = NULL; + o = calloc(1, sizeof(*o)); + if (o == NULL) { + krb5_set_error_string(context, "out of memory"); + return ENOMEM; + } + krb5_get_init_creds_opt_init(o); + o->opt_private = calloc(1, sizeof(*o->opt_private)); + if (o->opt_private == NULL) { + krb5_set_error_string(context, "out of memory"); + free(o); + return ENOMEM; + } + o->opt_private->refcount = 1; + *opt = o; + return 0; +} + +krb5_error_code +_krb5_get_init_creds_opt_copy(krb5_context context, + const krb5_get_init_creds_opt *in, + krb5_get_init_creds_opt **out) +{ + krb5_get_init_creds_opt *opt; + + *out = NULL; + opt = calloc(1, sizeof(*opt)); + if (opt == NULL) { + krb5_set_error_string(context, "out of memory"); + return ENOMEM; + } + if (in) + *opt = *in; + if(opt->opt_private == NULL) { + opt->opt_private = calloc(1, sizeof(*opt->opt_private)); + if (opt->opt_private == NULL) { + krb5_set_error_string(context, "out of memory"); + free(opt); + return ENOMEM; + } + opt->opt_private->refcount = 1; + } else + opt->opt_private->refcount++; + *out = opt; + return 0; +} + +void KRB5_LIB_FUNCTION +_krb5_get_init_creds_opt_free_krb5_error(krb5_get_init_creds_opt *opt) +{ + if (opt->opt_private == NULL || opt->opt_private->error == NULL) + return; + free_KRB_ERROR(opt->opt_private->error); + free(opt->opt_private->error); + opt->opt_private->error = NULL; +} + +void KRB5_LIB_FUNCTION +_krb5_get_init_creds_opt_set_krb5_error(krb5_context context, + krb5_get_init_creds_opt *opt, + const KRB_ERROR *error) +{ + krb5_error_code ret; + + if (opt->opt_private == NULL) + return; + + _krb5_get_init_creds_opt_free_krb5_error(opt); + + opt->opt_private->error = malloc(sizeof(*opt->opt_private->error)); + if (opt->opt_private->error == NULL) + return; + ret = copy_KRB_ERROR(error, opt->opt_private->error); + if (ret) { + free(opt->opt_private->error); + opt->opt_private->error = NULL; + } +} + + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_free(krb5_context context, + krb5_get_init_creds_opt *opt) +{ + if (opt == NULL || opt->opt_private == NULL) + return; + if (opt->opt_private->refcount < 1) /* abort ? */ + return; + if (--opt->opt_private->refcount == 0) { + _krb5_get_init_creds_opt_free_krb5_error(opt); + _krb5_get_init_creds_opt_free_pkinit(opt); + free(opt->opt_private); + } + memset(opt, 0, sizeof(*opt)); + free(opt); +} + +static int +get_config_time (krb5_context context, + const char *realm, + const char *name, + int def) +{ + int ret; + + ret = krb5_config_get_time (context, NULL, + "realms", + realm, + name, + NULL); + if (ret >= 0) + return ret; + ret = krb5_config_get_time (context, NULL, + "libdefaults", + name, + NULL); + if (ret >= 0) + return ret; + return def; +} + +static krb5_boolean +get_config_bool (krb5_context context, + const char *realm, + const char *name) +{ + return krb5_config_get_bool (context, + NULL, + "realms", + realm, + name, + NULL) + || krb5_config_get_bool (context, + NULL, + "libdefaults", + name, + NULL); +} + +/* + * set all the values in `opt' to the appropriate values for + * application `appname' (default to getprogname() if NULL), and realm + * `realm'. First looks in [appdefaults] but falls back to + * [realms] or [libdefaults] for some of the values. + */ + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_default_flags(krb5_context context, + const char *appname, + krb5_const_realm realm, + krb5_get_init_creds_opt *opt) +{ + krb5_boolean b; + time_t t; + + b = get_config_bool (context, realm, "forwardable"); + krb5_appdefault_boolean(context, appname, realm, "forwardable", b, &b); + krb5_get_init_creds_opt_set_forwardable(opt, b); + + b = get_config_bool (context, realm, "proxiable"); + krb5_appdefault_boolean(context, appname, realm, "proxiable", b, &b); + krb5_get_init_creds_opt_set_proxiable (opt, b); + + krb5_appdefault_time(context, appname, realm, "ticket_lifetime", 0, &t); + if (t == 0) + t = get_config_time (context, realm, "ticket_lifetime", 0); + if(t != 0) + krb5_get_init_creds_opt_set_tkt_life(opt, t); + + krb5_appdefault_time(context, appname, realm, "renew_lifetime", 0, &t); + if (t == 0) + t = get_config_time (context, realm, "renew_lifetime", 0); + if(t != 0) + krb5_get_init_creds_opt_set_renew_life(opt, t); + + krb5_appdefault_boolean(context, appname, realm, "no-addresses", + KRB5_ADDRESSLESS_DEFAULT, &b); + krb5_get_init_creds_opt_set_addressless (context, opt, b); + +#if 0 + krb5_appdefault_boolean(context, appname, realm, "anonymous", FALSE, &b); + krb5_get_init_creds_opt_set_anonymous (opt, b); + + krb5_get_init_creds_opt_set_etype_list(opt, enctype, + etype_str.num_strings); + + krb5_get_init_creds_opt_set_salt(krb5_get_init_creds_opt *opt, + krb5_data *salt); + + krb5_get_init_creds_opt_set_preauth_list(krb5_get_init_creds_opt *opt, + krb5_preauthtype *preauth_list, + int preauth_list_length); +#endif +} + + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_tkt_life(krb5_get_init_creds_opt *opt, + krb5_deltat tkt_life) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_TKT_LIFE; + opt->tkt_life = tkt_life; +} + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_renew_life(krb5_get_init_creds_opt *opt, + krb5_deltat renew_life) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_RENEW_LIFE; + opt->renew_life = renew_life; +} + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_forwardable(krb5_get_init_creds_opt *opt, + int forwardable) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_FORWARDABLE; + opt->forwardable = forwardable; +} + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_proxiable(krb5_get_init_creds_opt *opt, + int proxiable) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_PROXIABLE; + opt->proxiable = proxiable; +} + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_etype_list(krb5_get_init_creds_opt *opt, + krb5_enctype *etype_list, + int etype_list_length) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_ETYPE_LIST; + opt->etype_list = etype_list; + opt->etype_list_length = etype_list_length; +} + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_address_list(krb5_get_init_creds_opt *opt, + krb5_addresses *addresses) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_ADDRESS_LIST; + opt->address_list = addresses; +} + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_preauth_list(krb5_get_init_creds_opt *opt, + krb5_preauthtype *preauth_list, + int preauth_list_length) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_PREAUTH_LIST; + opt->preauth_list_length = preauth_list_length; + opt->preauth_list = preauth_list; +} + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_salt(krb5_get_init_creds_opt *opt, + krb5_data *salt) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_SALT; + opt->salt = salt; +} + +void KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_anonymous(krb5_get_init_creds_opt *opt, + int anonymous) +{ + opt->flags |= KRB5_GET_INIT_CREDS_OPT_ANONYMOUS; + opt->anonymous = anonymous; +} + +static krb5_error_code +require_ext_opt(krb5_context context, + krb5_get_init_creds_opt *opt, + const char *type) +{ + if (opt->opt_private == NULL) { + krb5_set_error_string(context, "%s on non extendable opt", type); + return EINVAL; + } + return 0; +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_pa_password(krb5_context context, + krb5_get_init_creds_opt *opt, + const char *password, + krb5_s2k_proc key_proc) +{ + krb5_error_code ret; + ret = require_ext_opt(context, opt, "init_creds_opt_set_pa_password"); + if (ret) + return ret; + opt->opt_private->password = password; + opt->opt_private->key_proc = key_proc; + return 0; +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_pac_request(krb5_context context, + krb5_get_init_creds_opt *opt, + krb5_boolean req_pac) +{ + krb5_error_code ret; + ret = require_ext_opt(context, opt, "init_creds_opt_set_pac_req"); + if (ret) + return ret; + opt->opt_private->req_pac = req_pac ? + KRB5_INIT_CREDS_TRISTATE_TRUE : + KRB5_INIT_CREDS_TRISTATE_FALSE; + return 0; +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_get_error(krb5_context context, + krb5_get_init_creds_opt *opt, + KRB_ERROR **error) +{ + krb5_error_code ret; + + *error = NULL; + + ret = require_ext_opt(context, opt, "init_creds_opt_get_error"); + if (ret) + return ret; + + if (opt->opt_private->error == NULL) + return 0; + + *error = malloc(sizeof(**error)); + if (*error == NULL) { + krb5_set_error_string(context, "malloc - out memory"); + return ENOMEM; + } + + ret = copy_KRB_ERROR(opt->opt_private->error, *error); + if (ret) + krb5_clear_error_string(context); + + return 0; +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_addressless(krb5_context context, + krb5_get_init_creds_opt *opt, + krb5_boolean addressless) +{ + krb5_error_code ret; + ret = require_ext_opt(context, opt, "init_creds_opt_set_pac_req"); + if (ret) + return ret; + if (addressless) + opt->opt_private->addressless = KRB5_INIT_CREDS_TRISTATE_TRUE; + else + opt->opt_private->addressless = KRB5_INIT_CREDS_TRISTATE_FALSE; + return 0; +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_canonicalize(krb5_context context, + krb5_get_init_creds_opt *opt, + krb5_boolean req) +{ + krb5_error_code ret; + ret = require_ext_opt(context, opt, "init_creds_opt_set_canonicalize"); + if (ret) + return ret; + if (req) + opt->opt_private->flags |= KRB5_INIT_CREDS_CANONICALIZE; + else + opt->opt_private->flags &= ~KRB5_INIT_CREDS_CANONICALIZE; + return 0; +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_get_init_creds_opt_set_win2k(krb5_context context, + krb5_get_init_creds_opt *opt, + krb5_boolean req) +{ + krb5_error_code ret; + ret = require_ext_opt(context, opt, "init_creds_opt_set_win2k"); + if (ret) + return ret; + if (req) + opt->opt_private->flags |= KRB5_INIT_CREDS_NO_C_CANON_CHECK; + else + opt->opt_private->flags &= ~KRB5_INIT_CREDS_NO_C_CANON_CHECK; + return 0; +} + |
