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📄 Makefile.inc(5.08 KB)
📄 Symbol.map(2.8 KB)
📄 base64.c(10.39 KB)
📄 byteorder.3(2.74 KB)
📄 ether_addr.c(5.68 KB)
📄 ethers.3(5.85 KB)
📄 eui64.3(6.37 KB)
📄 eui64.c(8.3 KB)
📄 gai_strerror.3(2.49 KB)
📄 gai_strerror.c(3.98 KB)
📄 getaddrinfo.3(12.12 KB)
📄 getaddrinfo.c(70.2 KB)
📄 gethostbydns.c(19.1 KB)
📄 gethostbyht.c(9.04 KB)
📄 gethostbyname.3(8.74 KB)
📄 gethostbynis.c(6.94 KB)
📄 gethostnamadr.c(17.01 KB)
📄 getifaddrs.3(4.24 KB)
📄 getifaddrs.c(8.57 KB)
📄 getifmaddrs.3(3 KB)
📄 getifmaddrs.c(4.79 KB)
📄 getipnodebyname.3(10.04 KB)
📄 getnameinfo.3(7.6 KB)
📄 getnameinfo.c(13.68 KB)
📄 getnetbydns.c(12 KB)
📄 getnetbyht.c(7.18 KB)
📄 getnetbynis.c(6.09 KB)
📄 getnetent.3(4.36 KB)
📄 getnetnamadr.c(10.46 KB)
📄 getproto.c(3.87 KB)
📄 getprotoent.3(3.78 KB)
📄 getprotoent.c(12.22 KB)
📄 getprotoname.c(4.25 KB)
📄 getservent.3(4.13 KB)
📄 getservent.c(29.69 KB)
📄 hesiod.3(4.19 KB)
📄 hesiod.c(12.17 KB)
📄 hosts(1.01 KB)
📄 hosts.equiv(53 B)
📄 if_indextoname.3(3.94 KB)
📄 if_indextoname.c(2.94 KB)
📄 if_nameindex.c(4.21 KB)
📄 if_nametoindex.c(2.84 KB)
📄 inet.3(7.76 KB)
📄 inet6_opt_init.3(9.07 KB)
📄 inet6_option_space.3(2.18 KB)
📄 inet6_rth_space.3(6.86 KB)
📄 inet6_rthdr_space.3(2.22 KB)
📄 inet_net.3(5.01 KB)
📄 ip6opt.c(15.36 KB)
📄 linkaddr.3(3.94 KB)
📄 linkaddr.c(4.44 KB)
📄 map_v4v6.c(3.93 KB)
📄 name6.c(28.18 KB)
📄 netdb_private.h(5.2 KB)
📄 networks(310 B)
📄 nscache.c(10.91 KB)
📄 nscachedcli.c(14.18 KB)
📄 nsdispatch.3(6.25 KB)
📄 nsdispatch.c(20.3 KB)
📄 nslexer.l(3.01 KB)
📄 nsparser.y(3.91 KB)
📄 nss_backends.h(2.04 KB)
📄 nss_compat.c(7.93 KB)
📄 nsswitch.conf(272 B)
📄 ntoh.c(1.75 KB)
📄 protocols(6.24 KB)
📄 rcmd.3(8.14 KB)
📄 rcmd.c(18.57 KB)
📄 rcmdsh.3(3.23 KB)
📄 rcmdsh.c(4.95 KB)
📄 recv.c(2.22 KB)
📄 res_config.h(299 B)
📄 resolver.3(11.43 KB)
📄 rthdr.c(9.7 KB)
📄 sctp_bindx.3(3.47 KB)
📄 sctp_connectx.3(3.44 KB)
📄 sctp_freepaddrs.3(2.26 KB)
📄 sctp_getaddrlen.3(2.82 KB)
📄 sctp_getassocid.3(2.44 KB)
📄 sctp_getpaddrs.3(3.11 KB)
📄 sctp_opt_info.3(3.55 KB)
📄 sctp_recvmsg.3(8.43 KB)
📄 sctp_send.3(11.12 KB)
📄 sctp_sendmsg.3(10.45 KB)
📄 sctp_sys_calls.c(30.35 KB)
📄 send.c(2.23 KB)
📄 sockatmark.3(3.26 KB)
📄 sockatmark.c(1.59 KB)
📄 sourcefilter.3(6.38 KB)
📄 sourcefilter.c(9.71 KB)
📄 vars.c(2.07 KB)

Editing: nscache.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2005 Michael Bushkov <bushman@rsu.ru>
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include "namespace.h"
#define _NS_PRIVATE
#include <nsswitch.h>
#include <stdlib.h>
#include <string.h>
#include "un-namespace.h"
#include "nscachedcli.h"
#include "nscache.h"

#define NSS_CACHE_KEY_INITIAL_SIZE	(256)
#define NSS_CACHE_KEY_SIZE_LIMIT	(NSS_CACHE_KEY_INITIAL_SIZE << 4)

#define NSS_CACHE_BUFFER_INITIAL_SIZE	(1024)
#define NSS_CACHE_BUFFER_SIZE_LIMIT	(NSS_CACHE_BUFFER_INITIAL_SIZE << 8)

#define CACHED_SOCKET_PATH 		"/var/run/nscd"

int
__nss_cache_handler(void *retval, void *mdata, va_list ap)
{
	return (NS_UNAVAIL);
}

int
__nss_common_cache_read(void *retval, void *mdata, va_list ap)
{
	struct cached_connection_params params;
	cached_connection connection;

char *buffer;
	size_t buffer_size, size;

nss_cache_info const *cache_info;
	nss_cache_data *cache_data;
	va_list ap_new;
	int res;

cache_data = (nss_cache_data *)mdata;
	cache_info = cache_data->info;

memset(&params, 0, sizeof(struct cached_connection_params));
	params.socket_path = CACHED_SOCKET_PATH;

cache_data->key = (char *)malloc(NSS_CACHE_KEY_INITIAL_SIZE);
	memset(cache_data->key, 0, NSS_CACHE_KEY_INITIAL_SIZE);
	cache_data->key_size = NSS_CACHE_KEY_INITIAL_SIZE;
	va_copy(ap_new, ap);

do {
		size = cache_data->key_size;
		res = cache_info->id_func(cache_data->key, &size, ap_new,
		    cache_info->mdata);
		va_end(ap_new);
		if (res == NS_RETURN) {
			if (cache_data->key_size > NSS_CACHE_KEY_SIZE_LIMIT)
				break;

cache_data->key_size <<= 1;
			cache_data->key = realloc(cache_data->key,
			    cache_data->key_size);
			memset(cache_data->key, 0, cache_data->key_size);
			va_copy(ap_new, ap);
		}
	} while (res == NS_RETURN);

if (res != NS_SUCCESS) {
		free(cache_data->key);
		cache_data->key = NULL;
		cache_data->key_size = 0;
		return (res);
	} else
		cache_data->key_size = size;

buffer_size = NSS_CACHE_BUFFER_INITIAL_SIZE;
	buffer = (char *)malloc(NSS_CACHE_BUFFER_INITIAL_SIZE);
	memset(buffer, 0, NSS_CACHE_BUFFER_INITIAL_SIZE);

do {
		connection = __open_cached_connection(&params);
		if (connection == NULL) {
			res = -1;
			break;
		}
		res = __cached_read(connection, cache_info->entry_name,
		    cache_data->key, cache_data->key_size, buffer,
		    &buffer_size);
		__close_cached_connection(connection);
		if (res == -2 && buffer_size < NSS_CACHE_BUFFER_SIZE_LIMIT) {
			buffer = (char *)realloc(buffer, buffer_size);
			memset(buffer, 0, buffer_size);
		}
	} while (res == -2);

if (res == 0) {
		if (buffer_size == 0) {
			free(buffer);
			free(cache_data->key);
			cache_data->key = NULL;
			cache_data->key_size = 0;
			return (NS_RETURN);
		}

va_copy(ap_new, ap);
		res = cache_info->unmarshal_func(buffer, buffer_size, retval,
		    ap_new, cache_info->mdata);
		va_end(ap_new);

if (res != NS_SUCCESS) {
			free(buffer);
			free(cache_data->key);
			cache_data->key = NULL;
			cache_data->key_size = 0;
			return (res);
		} else
			res = 0;
	}

if (res == 0) {
		free(cache_data->key);
		cache_data->key = NULL;
		cache_data->key_size = 0;
	}

free(buffer);
	return (res == 0 ? NS_SUCCESS : NS_NOTFOUND);
}

int
__nss_common_cache_write(void *retval, void *mdata, va_list ap)
{
	struct cached_connection_params params;
	cached_connection connection;

char *buffer;
	size_t buffer_size;

nss_cache_info const *cache_info;
	nss_cache_data *cache_data;
	va_list ap_new;
	int res;

cache_data = (nss_cache_data *)mdata;
	cache_info = cache_data->info;

if (cache_data->key == NULL)
		return (NS_UNAVAIL);

memset(&params, 0, sizeof(struct cached_connection_params));
	params.socket_path = CACHED_SOCKET_PATH;

connection = __open_cached_connection(&params);
	if (connection == NULL) {
		free(cache_data->key);
		return (NS_UNAVAIL);
	}

buffer_size = NSS_CACHE_BUFFER_INITIAL_SIZE;
	buffer = (char *)malloc(NSS_CACHE_BUFFER_INITIAL_SIZE);
	memset(buffer, 0, NSS_CACHE_BUFFER_INITIAL_SIZE);

do {
		size_t size;

size = buffer_size;
		va_copy(ap_new, ap);
		res = cache_info->marshal_func(buffer, &size, retval, ap_new,
		    cache_info->mdata);
		va_end(ap_new);

if (res == NS_RETURN) {
			if (buffer_size > NSS_CACHE_BUFFER_SIZE_LIMIT)
				break;

buffer_size <<= 1;
			buffer = (char *)realloc(buffer, buffer_size);
			memset(buffer, 0, buffer_size);
		}
	} while (res == NS_RETURN);

if (res != NS_SUCCESS) {
		__close_cached_connection(connection);
		free(cache_data->key);
		free(buffer);
		return (res);
	}

res = __cached_write(connection, cache_info->entry_name,
	    cache_data->key, cache_data->key_size, buffer, buffer_size);
	__close_cached_connection(connection);

free(cache_data->key);
	free(buffer);

return (res == 0 ? NS_SUCCESS : NS_UNAVAIL);
}

int
__nss_common_cache_write_negative(void *mdata)
{
	struct cached_connection_params params;
	cached_connection connection;
	int res;

nss_cache_info const *cache_info;
	nss_cache_data *cache_data;

cache_data = (nss_cache_data *)mdata;
	cache_info = cache_data->info;

if (cache_data->key == NULL)
		return (NS_UNAVAIL);

memset(&params, 0, sizeof(struct cached_connection_params));
	params.socket_path = CACHED_SOCKET_PATH;

connection = __open_cached_connection(&params);
	if (connection == NULL) {
		free(cache_data->key);
		return (NS_UNAVAIL);
	}

res = __cached_write(connection, cache_info->entry_name,
	    cache_data->key, cache_data->key_size, NULL, 0);
	__close_cached_connection(connection);

free(cache_data->key);
	return (res == 0 ? NS_SUCCESS : NS_UNAVAIL);
}

int
__nss_mp_cache_read(void *retval, void *mdata, va_list ap)
{
	struct cached_connection_params params;
	cached_mp_read_session rs;

char *buffer;
	size_t buffer_size;

nss_cache_info const *cache_info;
	nss_cache_data *cache_data;
	va_list ap_new;
	int res;

cache_data = (nss_cache_data *)mdata;
	cache_info = cache_data->info;

if (cache_info->get_mp_ws_func() != INVALID_CACHED_MP_WRITE_SESSION)
		return (NS_UNAVAIL);

rs = cache_info->get_mp_rs_func();
	if (rs == INVALID_CACHED_MP_READ_SESSION) {
		memset(&params, 0, sizeof(struct cached_connection_params));
		params.socket_path = CACHED_SOCKET_PATH;

rs = __open_cached_mp_read_session(&params,
		    cache_info->entry_name);
		if (rs == INVALID_CACHED_MP_READ_SESSION)
			return (NS_UNAVAIL);

cache_info->set_mp_rs_func(rs);
	}

buffer_size = NSS_CACHE_BUFFER_INITIAL_SIZE;
	buffer = (char *)malloc(NSS_CACHE_BUFFER_INITIAL_SIZE);
	memset(buffer, 0, NSS_CACHE_BUFFER_INITIAL_SIZE);

do {
		res = __cached_mp_read(rs, buffer, &buffer_size);
		if (res == -2 && buffer_size < NSS_CACHE_BUFFER_SIZE_LIMIT) {
			buffer = (char *)realloc(buffer, buffer_size);
			memset(buffer, 0, buffer_size);
		}
	} while (res == -2);

if (res == 0) {
		va_copy(ap_new, ap);
		res = cache_info->unmarshal_func(buffer, buffer_size, retval,
		    ap_new, cache_info->mdata);
		va_end(ap_new);

if (res != NS_SUCCESS) {
			free(buffer);
			return (res);
		} else
			res = 0;
	} else {
		free(buffer);
		__close_cached_mp_read_session(rs);
		rs = INVALID_CACHED_MP_READ_SESSION;
		cache_info->set_mp_rs_func(rs);
		return (res == -1 ? NS_RETURN : NS_UNAVAIL);
	}

free(buffer);
	return (res == 0 ? NS_SUCCESS : NS_NOTFOUND);
}

int
__nss_mp_cache_write(void *retval, void *mdata, va_list ap)
{
	struct cached_connection_params params;
	cached_mp_write_session ws;

char *buffer;
	size_t buffer_size;

nss_cache_info const *cache_info;
	nss_cache_data *cache_data;
	va_list ap_new;
	int res;

cache_data = (nss_cache_data *)mdata;
	cache_info = cache_data->info;

ws = cache_info->get_mp_ws_func();
	if (ws == INVALID_CACHED_MP_WRITE_SESSION) {
		memset(&params, 0, sizeof(struct cached_connection_params));
		params.socket_path = CACHED_SOCKET_PATH;

ws = __open_cached_mp_write_session(&params,
		    cache_info->entry_name);
		if (ws == INVALID_CACHED_MP_WRITE_SESSION)
			return (NS_UNAVAIL);

cache_info->set_mp_ws_func(ws);
	}

buffer_size = NSS_CACHE_BUFFER_INITIAL_SIZE;
	buffer = (char *)malloc(NSS_CACHE_BUFFER_INITIAL_SIZE);
	memset(buffer, 0, NSS_CACHE_BUFFER_INITIAL_SIZE);

do {
		size_t size;

size = buffer_size;
		va_copy(ap_new, ap);
		res = cache_info->marshal_func(buffer, &size, retval, ap_new,
		    cache_info->mdata);
		va_end(ap_new);

if (res == NS_RETURN) {
			if (buffer_size > NSS_CACHE_BUFFER_SIZE_LIMIT)
				break;

buffer_size <<= 1;
			buffer = (char *)realloc(buffer, buffer_size);
			memset(buffer, 0, buffer_size);
		}
	} while (res == NS_RETURN);

if (res != NS_SUCCESS) {
		free(buffer);
		return (res);
	}

res = __cached_mp_write(ws, buffer, buffer_size);

free(buffer);
	return (res == 0 ? NS_SUCCESS : NS_UNAVAIL);
}

int
__nss_mp_cache_write_submit(void *retval, void *mdata, va_list ap)
{
	cached_mp_write_session ws;

nss_cache_info const *cache_info;
	nss_cache_data *cache_data;

cache_data = (nss_cache_data *)mdata;
	cache_info = cache_data->info;

ws = cache_info->get_mp_ws_func();
	if (ws != INVALID_CACHED_MP_WRITE_SESSION) {
		__close_cached_mp_write_session(ws);
		ws = INVALID_CACHED_MP_WRITE_SESSION;
		cache_info->set_mp_ws_func(ws);
	}
	return (NS_UNAVAIL);
}

int
__nss_mp_cache_end(void *retval, void *mdata, va_list ap)
{
	cached_mp_write_session ws;
	cached_mp_read_session rs;

nss_cache_info const *cache_info;
	nss_cache_data *cache_data;

cache_data = (nss_cache_data *)mdata;
	cache_info = cache_data->info;

ws = cache_info->get_mp_ws_func();
	if (ws != INVALID_CACHED_MP_WRITE_SESSION) {
		__abandon_cached_mp_write_session(ws);
		ws = INVALID_CACHED_MP_WRITE_SESSION;
		cache_info->set_mp_ws_func(ws);
	}

rs = cache_info->get_mp_rs_func();
	if (rs != INVALID_CACHED_MP_READ_SESSION) {
		__close_cached_mp_read_session(rs);
		rs = INVALID_CACHED_MP_READ_SESSION;
		cache_info->set_mp_rs_func(rs);
	}

return (NS_UNAVAIL);
}

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Editing: nscache.c

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