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ipa-kdb: functions to get principal

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This commit is contained in:
Simo Sorce 2011-05-25 18:32:14 -04:00
parent 46c803a08d
commit abd424889b
4 changed files with 884 additions and 35 deletions
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1
daemons/ipa-kdb/Makefile.am
View File

@ -24,6 +24,7 @@ plugin_LTLIBRARIES = \
ipadb_la_SOURCES = \
ipa_kdb.c \
ipa_kdb_common.c \
ipa_kdb_principals.c \
$(NULL)
ipadb_la_LDFLAGS = \

35
daemons/ipa-kdb/ipa_kdb.c
View File

@ -395,41 +395,6 @@ static krb5_error_code ipadb_get_age(krb5_context kcontext,
return 0;
}
static krb5_error_code ipadb_get_principal(krb5_context kcontext,
krb5_const_principal search_for,
unsigned int flags,
krb5_db_entry **entry)
{
return KRB5_PLUGIN_OP_NOTSUPP;
}
void ipadb_free_principal(krb5_context kcontext, krb5_db_entry *entry)
{
return;
}
static krb5_error_code ipadb_put_principal(krb5_context kcontext,
krb5_db_entry *entry,
char **db_args)
{
return KRB5_PLUGIN_OP_NOTSUPP;
}
static krb5_error_code ipadb_delete_principal(krb5_context kcontext,
krb5_const_principal search_for)
{
return KRB5_PLUGIN_OP_NOTSUPP;
}
static krb5_error_code ipadb_iterate(krb5_context kcontext,
char *match_entry,
int (*func)(krb5_pointer,
krb5_db_entry *),
krb5_pointer func_arg)
{
return KRB5_PLUGIN_OP_NOTSUPP;
}
static krb5_error_code ipadb_create_policy(krb5_context kcontext,
osa_policy_ent_t policy)
{

20
daemons/ipa-kdb/ipa_kdb.h
View File

@ -28,6 +28,11 @@
#include <kdb.h>
#include <ldap.h>
#include <time.h>
#include <stdio.h>
#include <stdbool.h>
#include <ctype.h>
#include <arpa/inet.h>
#include <endian.h>
struct ipadb_context {
char *uri;
@ -73,3 +78,18 @@ int ipadb_ldap_attr_to_time_t(LDAP *lcontext, LDAPMessage *le,
int ipadb_ldap_attr_has_value(LDAP *lcontext, LDAPMessage *le,
char *attrname, char *value);
/* PRINCIPALS FUNCTIONS */
krb5_error_code ipadb_get_principal(krb5_context kcontext,
krb5_const_principal search_for,
unsigned int flags,
krb5_db_entry **entry);
void ipadb_free_principal(krb5_context kcontext, krb5_db_entry *entry);
krb5_error_code ipadb_put_principal(krb5_context kcontext,
krb5_db_entry *entry,
char **db_args);
krb5_error_code ipadb_delete_principal(krb5_context kcontext,
krb5_const_principal search_for);
krb5_error_code ipadb_iterate(krb5_context kcontext,
char *match_entry,
int (*func)(krb5_pointer, krb5_db_entry *),
krb5_pointer func_arg);

863
daemons/ipa-kdb/ipa_kdb_principals.c Normal file
View File

@ -0,0 +1,863 @@
/*
* MIT Kerberos KDC database backend for FreeIPA
*
* Authors: Simo Sorce <ssorce@redhat.com>
*
* Copyright (C) 2011 Simo Sorce, Red Hat
* see file 'COPYING' for use and warranty information
*
* This program is free software you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ipa_kdb.h"
#define PRINC_SEARCH_FILTER "(&(|(objectclass=krbprincipalaux)" \
"(objectclass=krbprincipal))" \
"(krbprincipalname=%s))"
static char *std_principal_attrs[] = {
"krbPrincipalName",
"krbCanonicalName",
"krbUPEnabled",
"krbPrincipalKey",
"krbTicketPolicyReference",
"krbPrincipalExpiration",
"krbPasswordExpiration",
"krbPwdPolicyReference",
"krbPrincipalType",
"krbPwdHistory",
"krbLastPwdChange",
"krbPrincipalAliases",
"krbLastSuccessfulAuth",
"krbLastFailedAuth",
"krbLoginFailedCount",
"krbExtraData",
"krbLastAdminUnlock",
"krbObjectReferences",
"krbTicketFlags",
"krbMaxTicketLife",
"krbMaxRenewableAge",
"nsaccountlock",
NULL
};
static char *std_tktpolicy_attrs[] = {
"krbmaxticketlife",
"krbmaxrenewableage",
"krbticketflags",
NULL
};
#define TKTFLAGS_BIT 0x01
#define MAXTKTLIFE_BIT 0x02
#define MAXRENEWABLEAGE_BIT 0x04
static int ipadb_ldap_attr_to_tl_data(LDAP *lcontext, LDAPMessage *le,
char *attrname,
krb5_tl_data **result, int *num)
{
struct berval **vals;
krb5_tl_data *prev, *next;
krb5_int16 be_type;
int i;
int ret = ENOENT;
*result = NULL;
prev = NULL;
vals = ldap_get_values_len(lcontext, le, attrname);
if (vals) {
for (i = 0; vals[i]; i++) {
next = calloc(1, sizeof(krb5_tl_data));
if (!next) {
ret = ENOMEM;
goto done;
}
/* fill tl_data struct with the data */
memcpy(&be_type, vals[i]->bv_val, 2);
next->tl_data_type = ntohs(be_type);
next->tl_data_length = vals[i]->bv_len - 2;
next->tl_data_contents = malloc(next->tl_data_length);
if (!next->tl_data_contents) {
ret = ENOMEM;
goto done;
}
memcpy(next->tl_data_contents,
vals[i]->bv_val + 2,
next->tl_data_length);
if (prev) {
prev->tl_data_next = next;
} else {
*result = next;
}
prev = next;
}
*num = i;
ret = 0;
ldap_value_free_len(vals);
}
done:
if (ret) {
if (*result) {
prev = *result;
while (prev) {
next = prev->tl_data_next;
free(prev);
prev = next;
}
}
*result = NULL;
*num = 0;
}
return ret;
}
static krb5_error_code ipadb_set_tl_data(krb5_db_entry *entry,
krb5_int16 type,
krb5_ui_2 length,
krb5_octet *data)
{
krb5_error_code kerr;
krb5_tl_data *new_td = NULL;
krb5_tl_data *td;
for (td = entry->tl_data; td; td = td->tl_data_next) {
if (td->tl_data_type == type) {
break;
}
}
if (!td) {
/* an existing entry was not found, make new */
new_td = malloc(sizeof(krb5_tl_data));
if (!new_td) {
kerr = ENOMEM;
goto done;
}
td = new_td;
td->tl_data_next = entry->tl_data;
td->tl_data_type = type;
entry->tl_data = td;
entry->n_tl_data++;
}
td->tl_data_length = length;
td->tl_data_contents = malloc(td->tl_data_length);
if (!td->tl_data_contents) {
kerr = ENOMEM;
goto done;
}
memcpy(td->tl_data_contents, data, td->tl_data_length);
new_td = NULL;
kerr = 0;
done:
free(new_td);
return kerr;
}
static int ipadb_ldap_attr_to_key_data(LDAP *lcontext, LDAPMessage *le,
char *attrname,
krb5_key_data **result, int *num,
krb5_kvno *res_mkvno)
{
struct berval **vals;
krb5_key_data *keys = NULL;
BerElement *be = NULL;
void *tmp;
int i = 0;
int ret = ENOENT;
vals = ldap_get_values_len(lcontext, le, attrname);
if (vals) {
ber_tag_t tag;
ber_int_t major_vno;
ber_int_t minor_vno;
ber_int_t kvno;
ber_int_t mkvno;
ber_int_t type;
ber_tag_t seqtag;
ber_len_t seqlen;
ber_len_t setlen;
ber_tag_t retag;
ber_tag_t opttag;
struct berval tval;
be = ber_alloc_t(LBER_USE_DER);
if (!be) {
return ENOMEM;
}
/* reinit the ber element with the new val */
ber_init2(be, vals[0], LBER_USE_DER);
/* fill key_data struct with the data */
retag = ber_scanf(be, "{t[i]t[i]t[i]t[i]t[{",
&tag, &major_vno,
&tag, &minor_vno,
&tag, &kvno,
&tag, &mkvno,
&seqtag);
if (retag == LBER_ERROR ||
major_vno != 1 ||
minor_vno != 1 ||
seqtag != (LBER_CONSTRUCTED | LBER_CLASS_CONTEXT | 4)) {
ret = EINVAL;
goto done;
}
retag = ber_skip_tag(be, &seqlen);
/* sequence of keys */
for (i = 0; retag == LBER_SEQUENCE; i++) {
tmp = realloc(keys, (i + 1) * sizeof(krb5_key_data));
if (!tmp) {
ret = ENOMEM;
goto done;
}
keys = tmp;
memset(&keys[i], 0, sizeof(krb5_key_data));
keys[i].key_data_kvno = kvno;
/* do we have a salt type ? (optional) */
retag = ber_scanf(be, "t", &opttag);
if (retag == LBER_ERROR) {
ret = EINVAL;
goto done;
}
if (opttag == (LBER_CONSTRUCTED | LBER_CLASS_CONTEXT | 0)) {
keys[i].key_data_ver = 2;
retag = ber_scanf(be, "[l{tl[i]",
&seqlen, &tag, &setlen, &type);
if (tag != (LBER_CONSTRUCTED | LBER_CLASS_CONTEXT | 0)) {
ret = EINVAL;
goto done;
}
keys[i].key_data_type[1] = type;
/* do we have salt data ? (optional) */
if (seqlen > setlen + 2) {
retag = ber_scanf(be, "t[o]", &tag, &tval);
if (retag == LBER_ERROR ||
tag != (LBER_CONSTRUCTED | LBER_CLASS_CONTEXT | 1)) {
ret = EINVAL;
goto done;
}
keys[i].key_data_length[1] = tval.bv_len;
keys[i].key_data_contents[1] = (krb5_octet *)tval.bv_val;
}
retag = ber_scanf(be, "}]t", &opttag);
if (retag == LBER_ERROR) {
ret = EINVAL;
goto done;
}
} else {
keys[i].key_data_ver = 1;
}
if (opttag != (LBER_CONSTRUCTED | LBER_CLASS_CONTEXT | 1)) {
ret = EINVAL;
goto done;
}
/* get the key */
retag = ber_scanf(be, "[{t[i]t[o]}]", &tag, &type, &tag, &tval);
if (retag == LBER_ERROR) {
ret = EINVAL;
goto done;
}
keys[i].key_data_type[0] = type;
keys[i].key_data_length[0] = tval.bv_len;
keys[i].key_data_contents[0] = (krb5_octet *)tval.bv_val;
/* check for sk2params */
retag = ber_peek_tag(be, &setlen);
if (retag == (LBER_CONSTRUCTED | LBER_CLASS_CONTEXT | 2)) {
/* not supported yet, skip */
retag = ber_scanf(be, "t[x]}");
} else {
retag = ber_scanf(be, "}");
}
if (retag == LBER_ERROR) {
ret = EINVAL;
goto done;
}
retag = ber_skip_tag(be, &seqlen);
}
*result = keys;
*num = i;
*res_mkvno = mkvno;
ret = 0;
}
done:
ber_free(be, 0); /* internal buffer is 'vals[0]' */
ldap_value_free_len(vals);
if (ret) {
for (i -= 1; keys && i >= 0; i--) {
free(keys[i].key_data_contents[0]);
free(keys[i].key_data_contents[1]);
}
*result = NULL;
*num = 0;
}
return ret;
}
static krb5_error_code ipadb_parse_ldap_entry(krb5_context kcontext,
char *principal,
LDAPMessage *lentry,
krb5_db_entry **kentry,
uint32_t *polmask)
{
LDAP *lcontext;
krb5_db_entry *entry;
krb5_error_code kerr;
krb5_tl_data *res_tl_data;
krb5_key_data *res_key_data;
krb5_kvno mkvno;
char *restring;
time_t restime;
bool resbool;
int result;
int ret;
*polmask = 0;
entry = calloc(1, sizeof(krb5_db_entry));
if (!entry) {
return ENOMEM;
}
/* proceed to fill in attributes in the order they are defined in
* krb5_db_entry in kdb.h */
lcontext = (ipadb_get_context(kcontext))->lcontext;
entry->magic = KRB5_KDB_MAGIC_NUMBER;
entry->len = KRB5_KDB_V1_BASE_LENGTH;
/* ignore mask for now */
ret = ipadb_ldap_attr_to_int(lcontext, lentry,
"krbTicketFlags", &result);
if (ret == 0) {
entry->attributes = result;
} else {
*polmask |= TKTFLAGS_BIT;
}
ret = ipadb_ldap_attr_to_int(lcontext, lentry,
"krbMaxTicketLife", &result);
if (ret == 0) {
entry->max_life = result;
} else {
*polmask |= MAXTKTLIFE_BIT;
}
ret = ipadb_ldap_attr_to_int(lcontext, lentry,
"krbMaxRenewableAge", &result);
if (ret == 0) {
entry->max_renewable_life = result;
} else {
*polmask |= MAXRENEWABLEAGE_BIT;
}
ret = ipadb_ldap_attr_to_time_t(lcontext, lentry,
"krbPrincipalexpiration", &restime);
switch (ret) {
case 0:
entry->expiration = restime;
case ENOENT:
break;
default:
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
ret = ipadb_ldap_attr_to_time_t(lcontext, lentry,
"krbPasswordExpiration", &restime);
switch (ret) {
case 0:
entry->pw_expiration = restime;
case ENOENT:
break;
default:
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
ret = ipadb_ldap_attr_to_time_t(lcontext, lentry,
"krbLastSuccessfulAuth", &restime);
switch (ret) {
case 0:
entry->last_success = restime;
case ENOENT:
break;
default:
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
ret = ipadb_ldap_attr_to_time_t(lcontext, lentry,
"krbLastFailedAuth", &restime);
switch (ret) {
case 0:
entry->last_failed = restime;
case ENOENT:
break;
default:
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
ret = ipadb_ldap_attr_to_int(lcontext, lentry,
"krbLoginFailedCount", &result);
if (ret == 0) {
entry->fail_auth_count = result;
}
/* TODO: e_length, e_data */
if (principal) {
kerr = krb5_parse_name(kcontext, principal, &entry->princ);
if (kerr != 0) {
goto done;
}
} else {
/* see if canonical name is available */
ret = ipadb_ldap_attr_to_str(lcontext, lentry,
"krbCanonicalName", &restring);
switch (ret) {
case ENOENT:
/* if not pick the first principal name in the entry */
ret = ipadb_ldap_attr_to_str(lcontext, lentry,
"krbPrincipalName", &restring);
if (ret != 0) {
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
case 0:
break;
default:
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
kerr = krb5_parse_name(kcontext, restring, &entry->princ);
free(restring);
if (kerr != 0) {
goto done;
}
}
ret = ipadb_ldap_attr_to_tl_data(lcontext, lentry,
"krbExtraData", &res_tl_data, &result);
switch (ret) {
case 0:
entry->tl_data = res_tl_data;
entry->n_tl_data = result;
case ENOENT:
break;
default:
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
ret = ipadb_ldap_attr_to_key_data(lcontext, lentry,
"krbPrincipalKey",
&res_key_data, &result, &mkvno);
switch (ret) {
case 0:
entry->key_data = res_key_data;
entry->n_key_data = result;
if (mkvno) {
krb5_int16 kvno16le = htole16((krb5_int16)mkvno);
kerr = ipadb_set_tl_data(entry, KRB5_TL_MKVNO,
sizeof(kvno16le),
(krb5_octet *)&kvno16le);
if (kerr) {
goto done;
}
}
case ENOENT:
break;
default:
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
ret = ipadb_ldap_attr_to_bool(lcontext, lentry,
"nsAccountLock", &resbool);
if ((ret == 0 && resbool == true) || (ret != 0 && ret != ENOENT)) {
entry->attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
}
ret = ipadb_ldap_attr_to_time_t(lcontext, lentry,
"krbLastPwdChange", &restime);
if (ret == 0) {
krb5_int32 time32le = htole32((krb5_int32)restime);
kerr = ipadb_set_tl_data(entry,
KRB5_TL_LAST_PWD_CHANGE,
sizeof(time32le),
(krb5_octet *)&time32le);
if (kerr) {
goto done;
}
}
ret = ipadb_ldap_attr_to_time_t(lcontext, lentry,
"krbLastAdminUnlock", &restime);
if (ret == 0) {
krb5_int32 time32le = htole32((krb5_int32)restime);
kerr = ipadb_set_tl_data(entry,
KRB5_TL_LAST_ADMIN_UNLOCK,
sizeof(time32le),
(krb5_octet *)&time32le);
if (kerr) {
goto done;
}
}
/* FIXME: fetch and se policy via krbpwdpolicyreference or fallback */
kerr = 0;
done:
if (kerr) {
ipadb_free_principal(kcontext, entry);
entry = NULL;
}
*kentry = entry;
return kerr;
}
static krb5_error_code ipadb_fetch_principals(struct ipadb_context *ipactx,
char *search_expr,
LDAPMessage **result)
{
krb5_error_code kerr;
char *src_filter = NULL;
char *esc_search_expr = NULL;
LDAPMessage *res = NULL;
int ret;
if (!ipactx->lcontext) {
ret = ipadb_get_connection(ipactx);
if (ret != 0) {
kerr = KRB5_KDB_SERVER_INTERNAL_ERR;
goto done;
}
}
/* escape filter but do not touch '*' as this function accepts
* wildcards in names */
esc_search_expr = ipadb_filter_escape(search_expr, false);
if (!esc_search_expr) {
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
ret = asprintf(&src_filter, PRINC_SEARCH_FILTER, esc_search_expr);
if (ret == -1) {
kerr = KRB5_KDB_INTERNAL_ERROR;
goto done;
}
kerr = ipadb_simple_search(ipactx,
ipactx->base, LDAP_SCOPE_SUBTREE,
src_filter, std_principal_attrs,
result);
done:
if (kerr) {
ldap_msgfree(res);
}
free(src_filter);
free(esc_search_expr);
return kerr;
}
static krb5_error_code ipadb_find_principal(krb5_context kcontext,
unsigned int flags,
LDAPMessage *res,
char **principal,
LDAPMessage **entry)
{
struct ipadb_context *ipactx;
bool found = false;
LDAPMessage *le = NULL;
struct berval **vals;
int i;
ipactx = ipadb_get_context(kcontext);
if (!ipactx) {
return KRB5_KDB_DBNOTINITED;
}
while (!found) {
if (!le) {
le = ldap_first_entry(ipactx->lcontext, res);
} else {
le = ldap_next_entry(ipactx->lcontext, le);
}
if (!le) {
break;
}
vals = ldap_get_values_len(ipactx->lcontext, le, "krbprincipalname");
if (vals == NULL) {
continue;
}
/* we need to check for a strict match as a '*' in the name may have
* caused the ldap server to return multiple entries */
for (i = 0; vals[i]; i++) {
/* FIXME: use case insensitive compare and tree as alias ?? */
if (strcmp(vals[i]->bv_val, (*principal)) == 0) {
found = true;
}
}
ldap_value_free_len(vals);
if (!found) {
continue;
}
/* we need to check if this is the canonical name */
vals = ldap_get_values_len(ipactx->lcontext, le, "krbcanonicalname");
if (vals == NULL) {
continue;
}
/* FIXME: use case insensitive compare and treat as alias ?? */
if (strcmp(vals[0]->bv_val, (*principal)) != 0 &&
!(flags & KRB5_KDB_FLAG_ALIAS_OK)) {
/* search does not allow aliases */
found = false;
ldap_value_free_len(vals);
continue;
}
free(*principal);
*principal = strdup(vals[0]->bv_val);
if (!(*principal)) {
return KRB5_KDB_INTERNAL_ERROR;
}
ldap_value_free_len(vals);
}
if (!found || !le) {
return KRB5_KDB_NOENTRY;
}
*entry = le;
return 0;
}
static krb5_error_code ipadb_fetch_tktpolicy(krb5_context kcontext,
LDAPMessage *lentry,
krb5_db_entry *entry,
uint32_t polmask)
{
struct ipadb_context *ipactx;
krb5_error_code kerr;
char *policy_dn = NULL;
LDAPMessage *res = NULL;
LDAPMessage *first;
int result;
int ret;
ipactx = ipadb_get_context(kcontext);
if (!ipactx) {
return KRB5_KDB_DBNOTINITED;
}
ret = ipadb_ldap_attr_to_str(ipactx->lcontext, lentry,
"krbticketpolicyreference", &policy_dn);
switch (ret) {
case 0:
break;
case ENOENT:
ret = asprintf(&policy_dn, "cn=%s,cn=kerberos,%s",
ipactx->realm, ipactx->base);
if (ret == -1) {
kerr = ENOMEM;
goto done;
}
break;
default:
kerr = ret;
goto done;
}
kerr = ipadb_simple_search(ipactx,
policy_dn, LDAP_SCOPE_BASE,
"(objectclass=krbticketpolicyaux)",
std_tktpolicy_attrs,
&res);
if (kerr == 0) {
first = ldap_first_entry(ipactx->lcontext, res);
if (!first) {
kerr = KRB5_KDB_NOENTRY;
} else {
if (polmask & MAXTKTLIFE_BIT) {
ret = ipadb_ldap_attr_to_int(ipactx->lcontext, first,
"krbmaxticketlife", &result);
if (ret == 0) {
entry->max_life = result;
} else {
entry->max_life = 86400;
}
}
if (polmask & MAXRENEWABLEAGE_BIT) {
ret = ipadb_ldap_attr_to_int(ipactx->lcontext, first,
"krbmaxrenewableage", &result);
if (ret == 0) {
entry->max_renewable_life = result;
} else {
entry->max_renewable_life = 604800;
}
}
if (polmask & TKTFLAGS_BIT) {
ret = ipadb_ldap_attr_to_int(ipactx->lcontext, first,
"krbticketflags", &result);
if (ret == 0) {
entry->attributes |= result;
} else {
entry->attributes |= KRB5_KDB_REQUIRES_PRE_AUTH;
}
}
}
}
if (kerr == KRB5_KDB_NOENTRY) {
/* No policy at all ??
* set hardcoded default policy for now */
if (polmask & MAXTKTLIFE_BIT) {
entry->max_life = 86400;
}
if (polmask & MAXRENEWABLEAGE_BIT) {
entry->max_renewable_life = 604800;
}
if (polmask & TKTFLAGS_BIT) {
entry->attributes |= KRB5_KDB_REQUIRES_PRE_AUTH;
}
kerr = 0;
}
done:
ldap_msgfree(res);
free(policy_dn);
return kerr;
}
/* TODO: handle case where main object and krbprincipal data are not
* the same object but linked objects ?
* (by way of krbprincipalaux being in a separate object from krbprincipal).
* Currently we only support objcts with both objectclasses present at the
* same time. */
krb5_error_code ipadb_get_principal(krb5_context kcontext,
krb5_const_principal search_for,
unsigned int flags,
krb5_db_entry **entry)
{
struct ipadb_context *ipactx;
krb5_error_code kerr;
char *principal = NULL;
LDAPMessage *res = NULL;
LDAPMessage *lentry;
uint32_t pol;
ipactx = ipadb_get_context(kcontext);
if (!ipactx) {
return KRB5_KDB_DBNOTINITED;
}
kerr = krb5_unparse_name(kcontext, search_for, &principal);
if (kerr != 0) {
goto done;
}
kerr = ipadb_fetch_principals(ipactx, principal, &res);
if (kerr != 0) {
goto done;
}
kerr = ipadb_find_principal(kcontext, flags, res, &principal, &lentry);
if (kerr != 0) {
goto done;
}
kerr = ipadb_parse_ldap_entry(kcontext, principal, lentry, entry, &pol);
if (kerr != 0) {
goto done;
}
if (pol) {
kerr = ipadb_fetch_tktpolicy(kcontext, lentry, *entry, pol);
if (kerr != 0) {
goto done;
}
}
done:
ldap_msgfree(res);
krb5_free_unparsed_name(kcontext, principal);
return kerr;
}
void ipadb_free_principal(krb5_context kcontext, krb5_db_entry *entry)
{
return;
}
krb5_error_code ipadb_put_principal(krb5_context kcontext,
krb5_db_entry *entry,
char **db_args)
{
return KRB5_PLUGIN_OP_NOTSUPP;
}
krb5_error_code ipadb_delete_principal(krb5_context kcontext,
krb5_const_principal search_for)
{
return KRB5_PLUGIN_OP_NOTSUPP;
}
krb5_error_code ipadb_iterate(krb5_context kcontext,
char *match_entry,
int (*func)(krb5_pointer, krb5_db_entry *),
krb5_pointer func_arg)
{
return KRB5_PLUGIN_OP_NOTSUPP;
}