From 4dc8b3c0efaae25b08c8f59b068f17c97c59d0ae Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Wed, 5 May 2021 15:41:00 +0200
Subject: [PATCH] get rid of inet_aton and inet_ntoa use inet_ntop iand
inet_pton where available standardize buffer size
---
ext/sockets/sockaddr_conv.c | 4 ++++
ext/sockets/sockets.c | 48 +++++++++++++++++++++++++------------
ext/standard/dns.c | 16 ++++++++++++-
main/network.c | 20 ++++++++++++++--
4 files changed, 70 insertions(+), 18 deletions(-)
diff --git a/ext/sockets/sockaddr_conv.c b/ext/sockets/sockaddr_conv.c
index 57996612d2d7e..65c8418fb3a6f 100644
--- a/ext/sockets/sockaddr_conv.c
+++ b/ext/sockets/sockaddr_conv.c
@@ -87,7 +87,11 @@ int php_set_inet_addr(struct sockaddr_in *sin, char *string, php_socket *php_soc
struct in_addr tmp;
struct hostent *host_entry;
+#ifdef HAVE_INET_PTON
+ if (inet_pton(AF_INET, string, &tmp)) {
+#else
if (inet_aton(string, &tmp)) {
+#endif
sin->sin_addr.s_addr = tmp.s_addr;
} else {
if (strlen(string) > MAXFQDNLEN || ! (host_entry = php_network_gethostbyname(string))) {
diff --git a/ext/sockets/sockets.c b/ext/sockets/sockets.c
index 16ad3e8013a4c..85c938d1b97b1 100644
--- a/ext/sockets/sockets.c
+++ b/ext/sockets/sockets.c
@@ -220,8 +220,10 @@ zend_module_entry sockets_module_entry = {
ZEND_GET_MODULE(sockets)
#endif
+#ifndef HAVE_INET_NTOP
/* inet_ntop should be used instead of inet_ntoa */
int inet_ntoa_lock = 0;
+#endif
static int php_open_listen_sock(php_socket *sock, int port, int backlog) /* {{{ */
{
@@ -1082,10 +1084,12 @@ PHP_FUNCTION(socket_getsockname)
struct sockaddr_in *sin;
#if HAVE_IPV6
struct sockaddr_in6 *sin6;
- char addr6[INET6_ADDRSTRLEN+1];
+#endif
+#ifdef HAVE_INET_NTOP
+ char addrbuf[INET6_ADDRSTRLEN];
#endif
struct sockaddr_un *s_un;
- char *addr_string;
+ const char *addr_string;
socklen_t salen = sizeof(php_sockaddr_storage);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Oz|z", &arg1, socket_ce, &addr, &port) == FAILURE) {
@@ -1106,8 +1110,8 @@ PHP_FUNCTION(socket_getsockname)
#if HAVE_IPV6
case AF_INET6:
sin6 = (struct sockaddr_in6 *) sa;
- inet_ntop(AF_INET6, &sin6->sin6_addr, addr6, INET6_ADDRSTRLEN);
- ZEND_TRY_ASSIGN_REF_STRING(addr, addr6);
+ inet_ntop(AF_INET6, &sin6->sin6_addr, addrbuf, sizeof(addrbuf));
+ ZEND_TRY_ASSIGN_REF_STRING(addr, addrbuf);
if (port != NULL) {
ZEND_TRY_ASSIGN_REF_LONG(port, htons(sin6->sin6_port));
@@ -1117,11 +1121,14 @@ PHP_FUNCTION(socket_getsockname)
#endif
case AF_INET:
sin = (struct sockaddr_in *) sa;
+#ifdef HAVE_INET_NTOP
+ addr_string = inet_ntop(AF_INET, &sin->sin_addr, addrbuf, sizeof(addrbuf));
+#else
while (inet_ntoa_lock == 1);
inet_ntoa_lock = 1;
addr_string = inet_ntoa(sin->sin_addr);
inet_ntoa_lock = 0;
-
+#endif
ZEND_TRY_ASSIGN_REF_STRING(addr, addr_string);
if (port != NULL) {
@@ -1154,10 +1161,12 @@ PHP_FUNCTION(socket_getpeername)
struct sockaddr_in *sin;
#if HAVE_IPV6
struct sockaddr_in6 *sin6;
- char addr6[INET6_ADDRSTRLEN+1];
+#endif
+#ifdef HAVE_INET_NTOP
+ char addrbuf[INET6_ADDRSTRLEN];
#endif
struct sockaddr_un *s_un;
- char *addr_string;
+ const char *addr_string;
socklen_t salen = sizeof(php_sockaddr_storage);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Oz|z", &arg1, socket_ce, &arg2, &arg3) == FAILURE) {
@@ -1178,9 +1187,9 @@ PHP_FUNCTION(socket_getpeername)
#if HAVE_IPV6
case AF_INET6:
sin6 = (struct sockaddr_in6 *) sa;
- inet_ntop(AF_INET6, &sin6->sin6_addr, addr6, INET6_ADDRSTRLEN);
+ inet_ntop(AF_INET6, &sin6->sin6_addr, addrbuf, sizeof(addrbuf));
- ZEND_TRY_ASSIGN_REF_STRING(arg2, addr6);
+ ZEND_TRY_ASSIGN_REF_STRING(arg2, addrbuf);
if (arg3 != NULL) {
ZEND_TRY_ASSIGN_REF_LONG(arg3, htons(sin6->sin6_port));
@@ -1191,11 +1200,14 @@ PHP_FUNCTION(socket_getpeername)
#endif
case AF_INET:
sin = (struct sockaddr_in *) sa;
+#ifdef HAVE_INET_NTOP
+ addr_string = inet_ntop(AF_INET, &sin->sin_addr, addrbuf, sizeof(addrbuf));
+#else
while (inet_ntoa_lock == 1);
inet_ntoa_lock = 1;
addr_string = inet_ntoa(sin->sin_addr);
inet_ntoa_lock = 0;
-
+#endif
ZEND_TRY_ASSIGN_REF_STRING(arg2, addr_string);
if (arg3 != NULL) {
@@ -1527,12 +1539,14 @@ PHP_FUNCTION(socket_recvfrom)
struct sockaddr_in sin;
#if HAVE_IPV6
struct sockaddr_in6 sin6;
- char addr6[INET6_ADDRSTRLEN];
+#endif
+#ifdef HAVE_INET_NTOP
+ char addrbuf[INET6_ADDRSTRLEN];
#endif
socklen_t slen;
int retval;
zend_long arg3, arg4;
- char *address;
+ const char *address;
zend_string *recv_buf;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Ozllz|z", &arg1, socket_ce, &arg2, &arg3, &arg4, &arg5, &arg6) == FAILURE) {
@@ -1590,7 +1604,11 @@ PHP_FUNCTION(socket_recvfrom)
ZSTR_LEN(recv_buf) = retval;
ZSTR_VAL(recv_buf)[ZSTR_LEN(recv_buf)] = '\0';
+#ifdef HAVE_INET_NTOP
+ address = inet_ntop(AF_INET, &sin.sin_addr, addrbuf, sizeof(addrbuf));
+#else
address = inet_ntoa(sin.sin_addr);
+#endif
ZEND_TRY_ASSIGN_REF_NEW_STR(arg2, recv_buf);
ZEND_TRY_ASSIGN_REF_STRING(arg5, address ? address : "0.0.0.0");
@@ -1617,11 +1635,11 @@ PHP_FUNCTION(socket_recvfrom)
ZSTR_LEN(recv_buf) = retval;
ZSTR_VAL(recv_buf)[ZSTR_LEN(recv_buf)] = '\0';
- memset(addr6, 0, INET6_ADDRSTRLEN);
- inet_ntop(AF_INET6, &sin6.sin6_addr, addr6, INET6_ADDRSTRLEN);
+ memset(addrbuf, 0, INET6_ADDRSTRLEN);
+ inet_ntop(AF_INET6, &sin6.sin6_addr, addrbuf, sizeof(addrbuf));
ZEND_TRY_ASSIGN_REF_NEW_STR(arg2, recv_buf);
- ZEND_TRY_ASSIGN_REF_STRING(arg5, addr6[0] ? addr6 : "::");
+ ZEND_TRY_ASSIGN_REF_STRING(arg5, addrbuf[0] ? addrbuf : "::");
ZEND_TRY_ASSIGN_REF_LONG(arg6, ntohs(sin6.sin6_port));
break;
#endif
diff --git a/ext/standard/dns.c b/ext/standard/dns.c
index 41b98424edb60..6efdbbe894b46 100644
--- a/ext/standard/dns.c
+++ b/ext/standard/dns.c
@@ -228,6 +228,9 @@ PHP_FUNCTION(gethostbynamel)
struct hostent *hp;
struct in_addr in;
int i;
+#ifdef HAVE_INET_NTOP
+ char addr4[INET_ADDRSTRLEN];
+#endif
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_PATH(hostname, hostname_len)
@@ -255,7 +258,11 @@ PHP_FUNCTION(gethostbynamel)
}
in = *h_addr_entry;
+#ifdef HAVE_INET_NTOP
+ add_next_index_string(return_value, inet_ntop(AF_INET, &in, addr4, INET_ADDRSTRLEN));
+#else
add_next_index_string(return_value, inet_ntoa(in));
+#endif
}
}
/* }}} */
@@ -266,7 +273,10 @@ static zend_string *php_gethostbyname(char *name)
struct hostent *hp;
struct in_addr *h_addr_0; /* Don't call this h_addr, it's a macro! */
struct in_addr in;
- char *address;
+#ifdef HAVE_INET_NTOP
+ char addr4[INET_ADDRSTRLEN];
+#endif
+ const char *address;
hp = php_network_gethostbyname(name);
if (!hp) {
@@ -281,7 +291,11 @@ static zend_string *php_gethostbyname(char *name)
memcpy(&in.s_addr, h_addr_0, sizeof(in.s_addr));
+#ifdef HAVE_INET_NTOP
+ address = inet_ntop(AF_INET, &in, addr4, INET_ADDRSTRLEN);
+#else
address = inet_ntoa(in);
+#endif
return zend_string_init(address, strlen(address), 0);
}
/* }}} */
diff --git a/main/network.c b/main/network.c
index 2c504952b2dd1..7f2f714ec42df 100644
--- a/main/network.c
+++ b/main/network.c
@@ -236,8 +236,12 @@ PHPAPI int php_network_getaddresses(const char *host, int socktype, struct socka
} while ((sai = sai->ai_next) != NULL);
freeaddrinfo(res);
+#else
+#ifdef HAVE_INET_PTON
+ if (!inet_pton(AF_INET, host, &in)) {
#else
if (!inet_aton(host, &in)) {
+#endif
if(strlen(host) > MAXFQDNLEN) {
host_info = NULL;
errno = E2BIG;
@@ -555,7 +559,11 @@ PHPAPI int php_network_parse_network_address_with_port(const char *addr, zend_lo
goto out;
}
#endif
+#ifdef HAVE_INET_PTON
+ if (inet_pton(AF_INET, tmp, &in4->sin_addr) > 0) {
+#else
if (inet_aton(tmp, &in4->sin_addr) > 0) {
+#endif
in4->sin_port = htons(port);
in4->sin_family = AF_INET;
*sl = sizeof(struct sockaddr_in);
@@ -617,15 +625,19 @@ PHPAPI void php_network_populate_name_from_sockaddr(
}
if (textaddr) {
-#if HAVE_IPV6 && HAVE_INET_NTOP
+#ifdef HAVE_INET_NTOP
char abuf[256];
#endif
- char *buf = NULL;
+ const char *buf = NULL;
switch (sa->sa_family) {
case AF_INET:
/* generally not thread safe, but it *is* thread safe under win32 */
+#ifdef HAVE_INET_NTOP
+ buf = inet_ntop(AF_INET, &((struct sockaddr_in*)sa)->sin_addr, (char *)&abuf, sizeof(abuf));
+#else
buf = inet_ntoa(((struct sockaddr_in*)sa)->sin_addr);
+#endif
if (buf) {
*textaddr = strpprintf(0, "%s:%d",
buf, ntohs(((struct sockaddr_in*)sa)->sin_port));
@@ -862,7 +874,11 @@ php_socket_t php_network_connect_socket_to_host(const char *host, unsigned short
in4->sin_family = sa->sa_family;
in4->sin_port = htons(bindport);
+#ifdef HAVE_INET_PTON
+ if (!inet_pton(AF_INET, bindto, &in4->sin_addr)) {
+#else
if (!inet_aton(bindto, &in4->sin_addr)) {
+#endif
php_error_docref(NULL, E_WARNING, "Invalid IP Address: %s", bindto);
goto skip_bind;
}
From e5b6f43ec7813392d83ea586b7902e0396a1f792 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Thu, 6 May 2021 14:21:29 +0200
Subject: [PATCH] get rid of inet_addr usage
---
main/fastcgi.c | 4 ++++
sapi/litespeed/lsapilib.c | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/main/fastcgi.c b/main/fastcgi.c
index 071f69d3a7f0..c936d42405de 100644
--- a/main/fastcgi.c
+++ b/main/fastcgi.c
@@ -688,8 +688,12 @@ int fcgi_listen(const char *path, int backlog)
if (!*host || !strncmp(host, "*", sizeof("*")-1)) {
sa.sa_inet.sin_addr.s_addr = htonl(INADDR_ANY);
} else {
+#ifdef HAVE_INET_PTON
+ if (!inet_pton(AF_INET, host, &sa.sa_inet.sin_addr)) {
+#else
sa.sa_inet.sin_addr.s_addr = inet_addr(host);
if (sa.sa_inet.sin_addr.s_addr == INADDR_NONE) {
+#endif
struct hostent *hep;
if(strlen(host) > MAXFQDNLEN) {
diff --git a/sapi/litespeed/lsapilib.c b/sapi/litespeed/lsapilib.c
index a72b5dc1b988..305f3326a682 100644
--- a/sapi/litespeed/lsapilib.c
+++ b/sapi/litespeed/lsapilib.c
@@ -2672,8 +2672,12 @@ int LSAPI_ParseSockAddr( const char * pBind, struct sockaddr * pAddr )
((struct sockaddr_in *)pAddr)->sin_addr.s_addr = htonl( INADDR_LOOPBACK );
else
{
+#ifdef HAVE_INET_PTON
+ if (!inet_pton(AF_INET, p, &((struct sockaddr_in *)pAddr)->sin_addr))
+#else
((struct sockaddr_in *)pAddr)->sin_addr.s_addr = inet_addr( p );
if ( ((struct sockaddr_in *)pAddr)->sin_addr.s_addr == INADDR_BROADCAST)
+#endif
{
doAddrInfo = 1;
}
From 99d67d121acd4c324738509679d23acaf759d065 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Thu, 6 May 2021 16:35:48 +0200
Subject: [PATCH] use getnameinfo instead of gethostbyaddr
---
ext/standard/dns.c | 34 ++++++++++++++++++++++------------
1 file changed, 22 insertions(+), 12 deletions(-)
diff --git a/ext/standard/dns.c b/ext/standard/dns.c
index edd9a4549f5c..540c777faaba 100644
--- a/ext/standard/dns.c
+++ b/ext/standard/dns.c
@@ -169,20 +169,30 @@ PHP_FUNCTION(gethostbyaddr)
static zend_string *php_gethostbyaddr(char *ip)
{
#if HAVE_IPV6 && HAVE_INET_PTON
- struct in6_addr addr6;
-#endif
- struct in_addr addr;
- struct hostent *hp;
+ struct sockaddr_in sa4;
+ struct sockaddr_in6 sa6;
+ char out[NI_MAXHOST];
-#if HAVE_IPV6 && HAVE_INET_PTON
- if (inet_pton(AF_INET6, ip, &addr6)) {
- hp = gethostbyaddr((char *) &addr6, sizeof(addr6), AF_INET6);
- } else if (inet_pton(AF_INET, ip, &addr)) {
- hp = gethostbyaddr((char *) &addr, sizeof(addr), AF_INET);
- } else {
- return NULL;
+ if (inet_pton(AF_INET6, ip, &sa6.sin6_addr)) {
+ sa6.sin6_family = AF_INET6;
+
+ if (getnameinfo((struct sockaddr *)&sa6, sizeof(sa6), out, sizeof(out), NULL, 0, NI_NAMEREQD) < 0) {
+ return zend_string_init(ip, strlen(ip), 0);
+ }
+ return zend_string_init(out, strlen(out), 0);
+ } else if (inet_pton(AF_INET, ip, &sa4.sin_addr)) {
+ sa4.sin_family = AF_INET;
+
+ if (getnameinfo((struct sockaddr *)&sa4, sizeof(sa4), out, sizeof(out), NULL, 0, NI_NAMEREQD) < 0) {
+ return zend_string_init(ip, strlen(ip), 0);
+ }
+ return zend_string_init(out, strlen(out), 0);
}
+ return NULL; /* not a valid IP */
#else
+ struct in_addr addr;
+ struct hostent *hp;
+
addr.s_addr = inet_addr(ip);
if (addr.s_addr == -1) {
@@ -190,13 +200,13 @@ static zend_string *php_gethostbyaddr(char *ip)
}
hp = gethostbyaddr((char *) &addr, sizeof(addr), AF_INET);
-#endif
if (!hp || hp->h_name == NULL || hp->h_name[0] == '\0') {
return zend_string_init(ip, strlen(ip), 0);
}
return zend_string_init(hp->h_name, strlen(hp->h_name), 0);
+#endif
}
/* }}} */