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Imported Upstream version 4.6.2

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This commit is contained in:
Mario Fetka
2021-07-25 07:32:41 +02:00
commit 8ff3be4216
1788 changed files with 1900965 additions and 0 deletions
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19
daemons/ipa-slapi-plugins/ipa-otp-counter/Makefile.am Normal file
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96
daemons/ipa-slapi-plugins/ipa-otp-counter/berval.c Normal file
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@@ -0,0 +1,96 @@
/** BEGIN COPYRIGHT BLOCK
* 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/>.
*
* Additional permission under GPLv3 section 7:
*
* In the following paragraph, "GPL" means the GNU General Public
* License, version 3 or any later version, and "Non-GPL Code" means
* code that is governed neither by the GPL nor a license
* compatible with the GPL.
*
* You may link the code of this Program with Non-GPL Code and convey
* linked combinations including the two, provided that such Non-GPL
* Code only links to the code of this Program through those well
* defined interfaces identified in the file named EXCEPTION found in
* the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline
* functions from the Approved Interfaces without causing the resulting
* work to be covered by the GPL. Only the copyright holders of this
* Program may make changes or additions to the list of Approved
* Interfaces.
*
* Authors:
* Nathaniel McCallum <npmccallum@redhat.com>
*
* Copyright (C) 2014 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#include "berval.h"
#include <slapi-plugin.h>
#include <limits.h>
struct berval *
berval_new_longlong(long long value)
{
struct berval *bv;
bv = (struct berval*) slapi_ch_malloc(sizeof(struct berval));
bv->bv_val = slapi_ch_smprintf("%lld", value);
bv->bv_len = strlen(bv->bv_val);
return bv;
}
void
berval_free(struct berval **bv)
{
if (*bv == NULL)
return;
slapi_ch_free((void **) &(*bv)->bv_val);
slapi_ch_free((void **) bv);
}
long long
berval_to_longlong(const struct berval *bv)
{
char buf[bv->bv_len + 1];
memcpy(buf, bv->bv_val, bv->bv_len);
buf[sizeof(buf)-1] = '\0';
return strtoll(buf, NULL, 10);
}
struct berval **
bervals_new_longlong(long long value)
{
struct berval **bvs;
bvs = (struct berval**) slapi_ch_calloc(2, sizeof(struct berval*));
bvs[0] = berval_new_longlong(value);
return bvs;
}
void
bervals_free(struct berval ***bvals)
{
for (struct berval **itr = *bvals; *itr != NULL; itr++)
berval_free(itr);
slapi_ch_free((void**) bvals);
}

66
daemons/ipa-slapi-plugins/ipa-otp-counter/berval.h Normal file
View File

@@ -0,0 +1,66 @@
/** BEGIN COPYRIGHT BLOCK
* 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/>.
*
* Additional permission under GPLv3 section 7:
*
* In the following paragraph, "GPL" means the GNU General Public
* License, version 3 or any later version, and "Non-GPL Code" means
* code that is governed neither by the GPL nor a license
* compatible with the GPL.
*
* You may link the code of this Program with Non-GPL Code and convey
* linked combinations including the two, provided that such Non-GPL
* Code only links to the code of this Program through those well
* defined interfaces identified in the file named EXCEPTION found in
* the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline
* functions from the Approved Interfaces without causing the resulting
* work to be covered by the GPL. Only the copyright holders of this
* Program may make changes or additions to the list of Approved
* Interfaces.
*
* Authors:
* Nathaniel McCallum <npmccallum@redhat.com>
*
* Copyright (C) 2014 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#pragma once
#include <lber.h>
#include <stdbool.h>
/* Creates a new berval from a long long. */
struct berval *
berval_new_longlong(long long value);
/* Frees a berval. */
void
berval_free(struct berval **bv);
/* Converts a berval to a long long.
* If the value will not fit in a long long,
* LLONG_MIN or LLONG_MAX will be returned.
*/
long long
berval_to_longlong(const struct berval *bv);
/* Creates a NULL-terminated array with a single berval. */
struct berval **
bervals_new_longlong(long long value);
/* Frees a NULL-terminated array of bervals. */
void
bervals_free(struct berval ***bvals);

1
daemons/ipa-slapi-plugins/ipa-otp-counter/ipa-otp-counter.sym Normal file
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@@ -0,0 +1 @@
ipa_otp_counter_init

462
daemons/ipa-slapi-plugins/ipa-otp-counter/ipa_otp_counter.c Normal file
View File

@@ -0,0 +1,462 @@
/** BEGIN COPYRIGHT BLOCK
* 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/>.
*
* Additional permission under GPLv3 section 7:
*
* In the following paragraph, "GPL" means the GNU General Public
* License, version 3 or any later version, and "Non-GPL Code" means
* code that is governed neither by the GPL nor a license
* compatible with the GPL.
*
* You may link the code of this Program with Non-GPL Code and convey
* linked combinations including the two, provided that such Non-GPL
* Code only links to the code of this Program through those well
* defined interfaces identified in the file named EXCEPTION found in
* the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline
* functions from the Approved Interfaces without causing the resulting
* work to be covered by the GPL. Only the copyright holders of this
* Program may make changes or additions to the list of Approved
* Interfaces.
*
* Authors:
* Nathaniel McCallum <npmccallum@redhat.com>
*
* Copyright (C) 2014 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/**
* The purpose of this plugin is to ensure that counter/watermark values:
* 1. Have atomic operations.
* 2. Never go backwards.
* 3. Never get deleted.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "berval.h"
#include "ldapmod.h"
#include "util.h"
#include <limits.h>
#include <plstr.h>
#define COUNTER_UNSET LLONG_MIN
static void *plugin_id;
static long long
get_counter(Slapi_Entry *entry, const char *attr)
{
Slapi_Attr *sattr = NULL;
if (slapi_entry_attr_find(entry, attr, &sattr) == 0)
return slapi_entry_attr_get_longlong(entry, attr);
return COUNTER_UNSET;
}
/**
* Determines the name of the counter or watermark attribute based
* upon the objectClass of the entry.
*
* If no match is found, this function returns NULL indicating that
* this entry is not a known token type.
*/
static const char *
find_counter_name(Slapi_Entry *entry)
{
static struct {
const char *clss;
const char *attr;
} table[] = {
{ "ipatokenHOTP", "ipatokenHOTPcounter" },
{ "ipatokenTOTP", "ipatokenTOTPwatermark" },
{ NULL, NULL }
};
const char *attr = NULL;
char **clsses = NULL;
clsses = slapi_entry_attr_get_charray(entry, "objectClass");
if (clsses == NULL)
return NULL;
for (size_t i = 0; attr == NULL && clsses[i] != NULL; i++) {
for (size_t j = 0; attr == NULL && table[j].clss != NULL; j++) {
if (PL_strcasecmp(table[j].clss, clsses[i]) == 0)
attr = table[j].attr;
}
}
slapi_ch_array_free(clsses);
return attr;
}
/**
* Normalizes the input values of counter/watermark modifications.
*
* 1. All INCREMENT and REPLACE operations need to be replace by
* equivalent DELETE/ADD combination operations. This ensures
* atomicity.
*
* 2. Any incoming DELETE operations need to be sanity checked.
*
* If no value is specified, the current counter value is added
* to the operation. Without this, we cannot guarantee that the
* operation will not causes a decrement.
*
* This function returns the size of the new LDAPMod* array or zero
* if there are no counter/watermark operations.
*/
static size_t
normalize_input(LDAPMod ***mods, const char *attr, long long ctr)
{
LDAPMod **tmp;
size_t o; /* Counts the number of operations. */
size_t c; /* Counts the number of counter operations. */
size_t e; /* Counts the number of expansions. */
/* Get the size of the mods when all expansions are performed. */
for (o = c = e = 0; (*mods)[o] != NULL; o++) {
if (PL_strcasecmp((*mods)[o]->mod_type, attr) != 0)
continue;
switch ((*mods)[o]->mod_op & LDAP_MOD_OP) {
case LDAP_MOD_REPLACE:
case LDAP_MOD_INCREMENT:
e++;
/* fall through */
default:
c++;
}
}
if (c == 0)
return 0;
/* Filter the modify operations. */
tmp = (LDAPMod **) slapi_ch_calloc(o + e + 1, sizeof(LDAPMod*));
for (size_t i = 0, j = 0; (*mods)[i] != NULL; tmp[j++] = (*mods)[i++]) {
LDAPMod *mod = (*mods)[i];
if (PL_strcasecmp(mod->mod_type, attr) != 0)
continue;
/* This is not strictly needed, but simplifies the code. */
ldapmod_convert_bvalues(mod);
switch (mod->mod_op & LDAP_MOD_OP) {
case LDAP_MOD_DELETE:
/* Normalize input: if an empty array is allocated, free it. */
if (mod->mod_bvalues != NULL && mod->mod_bvalues[0] == NULL)
bervals_free(&mod->mod_bvalues);
if (mod->mod_bvalues == NULL)
mod->mod_bvalues = bervals_new_longlong(ctr);
ctr = COUNTER_UNSET;
break;
case LDAP_MOD_INCREMENT:
if (ctr != COUNTER_UNSET)
tmp[j++] = ldapmod_new_longlong(LDAP_MOD_DELETE, attr, ctr);
ctr += ldapmod_get_value(mod, 1);
bervals_free(&mod->mod_bvalues);
mod->mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES;
mod->mod_bvalues = bervals_new_longlong(ctr);
break;
case LDAP_MOD_REPLACE:
if (ctr != COUNTER_UNSET)
tmp[j++] = ldapmod_new_longlong(LDAP_MOD_DELETE, attr, ctr);
mod->mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES;
/* Fall through. */
case LDAP_MOD_ADD:
ctr = ldapmod_get_value(mod, 0);
break;
}
}
slapi_ch_free((void **) mods);
*mods = tmp;
return o + e;
}
/**
* Simulates how the specified mods will impact the counter.
*/
static bool
simulate(LDAPMod **mods, const char *attr, long long ctr, long long *out)
{
bool success = true;
for (size_t i = 0; mods[i] != NULL; i++) {
if (PL_strcasecmp(mods[i]->mod_type, attr) != 0)
continue;
switch (mods[i]->mod_op & LDAP_MOD_OP) {
case LDAP_MOD_DELETE:
if (ctr == COUNTER_UNSET)
success = false;
ctr = COUNTER_UNSET;
break;
case LDAP_MOD_INCREMENT:
if (ctr == COUNTER_UNSET)
success = false;
ctr = ldapmod_get_value(mods[i], ctr + 1);
break;
case LDAP_MOD_ADD:
if (ctr != COUNTER_UNSET)
success = false;
/* Fall through. */
case LDAP_MOD_REPLACE:
ctr = ldapmod_get_value(mods[i], 0);
break;
}
}
*out = ctr;
return success;
}
/**
* Modifies input to ensure correct counter behavior.
*
* For non-replication operations, we change all REPLACE and INCREMENT
* operations into DELETE/ADD pair operations. We also sanity check
* incoming DELETE operations. If the request would cause the counter to
* decrement or delete, fail the operation.
*
* For replication operations, if the transaction would decrement the
* counter, delete it or modify it to the same value, we remove all mods
* related to the counter and let the replication request continue. In
* the first two cases, this enforces correct behavior. In the last case,
* this reduces write contention on the counter when a replica-set-wide
* authentication collision has occurred.
*/
static int
preop_mod(Slapi_PBlock *pb)
{
Slapi_Entry *epre = NULL;
const char *attr = NULL;
LDAPMod **mods = NULL;
char *msg = NULL;
long long cpost;
long long cpre;
int repl = 0;
int rc = 0;
rc |= slapi_pblock_get(pb, SLAPI_IS_REPLICATED_OPERATION, &repl);
rc |= slapi_pblock_get(pb, SLAPI_ENTRY_PRE_OP, &epre);
rc |= slapi_pblock_get(pb, SLAPI_MODIFY_MODS, &mods);
if (rc != 0 || epre == NULL || mods == NULL)
return 0;
attr = find_counter_name(epre);
if (attr == NULL)
return 0; /* Not a token. */
cpre = get_counter(epre, attr);
if (repl == 0) {
if (normalize_input(&mods, attr, cpre) != 0) {
if (slapi_pblock_set(pb, SLAPI_MODIFY_MODS, mods)) {
LOG_FATAL("slapi_pblock_set failed!\n");
goto error;
}
}
}
if (!simulate(mods, attr, cpre, &cpost) && repl == 0) {
msg = slapi_ch_smprintf("Invalid operation sequence on %s", attr);
goto error;
}
if (cpost < cpre) {
if (repl == 0) {
msg = slapi_ch_smprintf("Will not %s %s",
cpost == COUNTER_UNSET ? "delete" : "decrement", attr);
goto error;
}
/* Remove counter attribute modifications. */
for (size_t i = 0, j = 0 ; ; i++, j++) {
mods[j] = mods[i];
if (mods[j] == NULL)
break;
if (PL_strcasecmp(mods[j]->mod_type, attr) == 0)
ldapmod_free(&mods[j--]);
}
}
return 0;
error:
rc = LDAP_UNWILLING_TO_PERFORM;
slapi_send_ldap_result(pb, rc, NULL, msg, 0, NULL);
if (slapi_pblock_set(pb, SLAPI_RESULT_CODE, &rc)) {
LOG_FATAL("slapi_pblock_set failed!\n");
}
slapi_ch_free_string(&msg);
return rc;
}
static void
writeback(Slapi_Entry *entry, const char *attr,
long long cold, long long cnew)
{
Slapi_PBlock *pb = NULL;
char dbuf[32];
char abuf[32];
LDAPMod *mods[] = {
&(LDAPMod) {
LDAP_MOD_DELETE, (char *) attr,
.mod_values = (char *[]) { dbuf, NULL }
},
&(LDAPMod) {
LDAP_MOD_ADD, (char *) attr,
.mod_values = (char *[]) { abuf, NULL }
},
NULL
};
snprintf(dbuf, sizeof(dbuf), "%lld", cold);
snprintf(abuf, sizeof(abuf), "%lld", cnew);
pb = slapi_pblock_new();
slapi_modify_internal_set_pb(pb, slapi_entry_get_dn_const(entry),
mods, NULL, NULL, plugin_id, 0);
slapi_modify_internal_pb(pb);
slapi_pblock_destroy(pb);
}
/**
* Ensures replications receive the highest value seen.
*
* A replication request that arrives at the server may be internally
* discarded, even if it has a higher counter value, because of a lower
* CSN. However, we always want to record the highest value seen.
*
* We solve this problem by checking the value of the replication request
* against the value of the entry after the replication. If the replication
* request contained a higher value than what the entry contains, we create
* a new modification to bump up the counter to the highest value.
*
* This check is only for replication operations.
*/
static int
postop_mod(Slapi_PBlock *pb)
{
Slapi_Entry *epost = NULL;
Slapi_Entry *epre = NULL;
const char *attr = NULL;
LDAPMod **mods = NULL;
long long cpost;
long long cpre;
long long csim;
int repl = 0;
int rc = 0;
rc |= slapi_pblock_get(pb, SLAPI_IS_REPLICATED_OPERATION, &repl);
rc |= slapi_pblock_get(pb, SLAPI_ENTRY_POST_OP, &epost);
rc |= slapi_pblock_get(pb, SLAPI_ENTRY_PRE_OP, &epre);
rc |= slapi_pblock_get(pb, SLAPI_MODIFY_MODS, &mods);
if (rc != 0 || epost == NULL || epre == NULL || mods == NULL)
return 0;
if (repl == 0)
return 0;
attr = find_counter_name(epost);
if (attr == NULL)
return 0; /* Not a token. */
cpost = get_counter(epost, attr);
cpre = get_counter(epre, attr);
if (simulate(mods, attr, cpre, &csim) && csim > cpost)
writeback(epost, attr, cpost, csim);
return 0;
}
static int
preop_init(Slapi_PBlock *pb)
{
return slapi_pblock_set(pb, SLAPI_PLUGIN_BE_PRE_MODIFY_FN, preop_mod);
}
static int
postop_init(Slapi_PBlock *pb)
{
return slapi_pblock_set(pb, SLAPI_PLUGIN_BE_POST_MODIFY_FN, postop_mod);
}
static int
start_fn(Slapi_PBlock *pb)
{
return 0;
}
static int
close_fn(Slapi_PBlock *pb)
{
return 0;
}
int
ipa_otp_counter_init(Slapi_PBlock *pb)
{
static const Slapi_PluginDesc desc = {
"ipa-otp-counter",
"FreeIPA",
"FreeIPA/1.0",
"Ensure proper OTP token counter operation"
};
int ret = 0;
ret |= slapi_pblock_get(pb, SLAPI_PLUGIN_IDENTITY, &plugin_id);
ret |= slapi_pblock_set(pb, SLAPI_PLUGIN_VERSION, SLAPI_PLUGIN_VERSION_01);
ret |= slapi_pblock_set(pb, SLAPI_PLUGIN_DESCRIPTION, (void *) &desc);
ret |= slapi_pblock_set(pb, SLAPI_PLUGIN_START_FN, start_fn);
ret |= slapi_pblock_set(pb, SLAPI_PLUGIN_CLOSE_FN, close_fn);
ret |= slapi_register_plugin("bepreoperation", 1, __func__, preop_init,
"ipa-otp-counter bepreoperation", NULL,
plugin_id);
ret |= slapi_register_plugin("bepostoperation", 1, __func__, postop_init,
"ipa-otp-counter bepostoperation", NULL,
plugin_id);
return ret;
}

110
daemons/ipa-slapi-plugins/ipa-otp-counter/ldapmod.c Normal file
View File

@@ -0,0 +1,110 @@
/** BEGIN COPYRIGHT BLOCK
* 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/>.
*
* Additional permission under GPLv3 section 7:
*
* In the following paragraph, "GPL" means the GNU General Public
* License, version 3 or any later version, and "Non-GPL Code" means
* code that is governed neither by the GPL nor a license
* compatible with the GPL.
*
* You may link the code of this Program with Non-GPL Code and convey
* linked combinations including the two, provided that such Non-GPL
* Code only links to the code of this Program through those well
* defined interfaces identified in the file named EXCEPTION found in
* the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline
* functions from the Approved Interfaces without causing the resulting
* work to be covered by the GPL. Only the copyright holders of this
* Program may make changes or additions to the list of Approved
* Interfaces.
*
* Authors:
* Nathaniel McCallum <npmccallum@redhat.com>
*
* Copyright (C) 2014 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#include "ldapmod.h"
#include "berval.h"
#include <limits.h>
long long
ldapmod_get_value(const LDAPMod *mod, long long def)
{
long long v;
if (mod == NULL)
return def;
if (mod->mod_bvalues == NULL)
return def;
if (mod->mod_bvalues[0] == NULL)
return def;
v = berval_to_longlong(mod->mod_bvalues[0]);
if (v == LLONG_MIN || v == LLONG_MAX)
return def;
return v;
}
LDAPMod *
ldapmod_new_longlong(int op, const char *attr, long long value)
{
LDAPMod *mod;
mod = (LDAPMod*) slapi_ch_malloc(sizeof(LDAPMod));
mod->mod_op = op | LDAP_MOD_BVALUES;
mod->mod_type = slapi_ch_strdup(attr);
mod->mod_bvalues = bervals_new_longlong(value);
return mod;
}
void
ldapmod_convert_bvalues(LDAPMod *mod)
{
if (mod == NULL || (mod->mod_op & LDAP_MOD_BVALUES))
return;
mod->mod_op |= LDAP_MOD_BVALUES;
if (mod->mod_values == NULL) {
mod->mod_bvalues = NULL;
return;
}
for (size_t i = 0; mod->mod_values[i] != NULL; i++) {
struct berval *bv;
bv = (struct berval*) slapi_ch_malloc(sizeof(struct berval));
bv->bv_val = mod->mod_values[i];
bv->bv_len = strlen(bv->bv_val);
mod->mod_bvalues[i] = bv;
}
}
void
ldapmod_free(LDAPMod **mod)
{
if (mod == NULL || *mod == NULL)
return;
bervals_free(&(*mod)->mod_bvalues);
slapi_ch_free_string(&(*mod)->mod_type);
slapi_ch_free((void **) mod);
}

54
daemons/ipa-slapi-plugins/ipa-otp-counter/ldapmod.h Normal file
View File

@@ -0,0 +1,54 @@
/** BEGIN COPYRIGHT BLOCK
* 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/>.
*
* Additional permission under GPLv3 section 7:
*
* In the following paragraph, "GPL" means the GNU General Public
* License, version 3 or any later version, and "Non-GPL Code" means
* code that is governed neither by the GPL nor a license
* compatible with the GPL.
*
* You may link the code of this Program with Non-GPL Code and convey
* linked combinations including the two, provided that such Non-GPL
* Code only links to the code of this Program through those well
* defined interfaces identified in the file named EXCEPTION found in
* the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline
* functions from the Approved Interfaces without causing the resulting
* work to be covered by the GPL. Only the copyright holders of this
* Program may make changes or additions to the list of Approved
* Interfaces.
*
* Authors:
* Nathaniel McCallum <npmccallum@redhat.com>
*
* Copyright (C) 2014 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#pragma once
#include <slapi-plugin.h>
long long
ldapmod_get_value(const LDAPMod *mod, long long def);
LDAPMod *
ldapmod_new_longlong(int op, const char *attr, long long value);
void
ldapmod_convert_bvalues(LDAPMod *mod);
void
ldapmod_free(LDAPMod **mod);