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Diffstat (limited to 'rpc/rpc-transport/socket/src/name.c')
-rw-r--r--rpc/rpc-transport/socket/src/name.c180
1 files changed, 92 insertions, 88 deletions
diff --git a/rpc/rpc-transport/socket/src/name.c b/rpc/rpc-transport/socket/src/name.c
index 8be29163e..1647d5b6b 100644
--- a/rpc/rpc-transport/socket/src/name.c
+++ b/rpc/rpc-transport/socket/src/name.c
@@ -1,20 +1,11 @@
/*
- Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
- GlusterFS is free software; you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation; either version 3 of the License,
- or (at your option) any later version.
-
- GlusterFS 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
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
*/
#include <sys/types.h>
@@ -24,18 +15,13 @@
#include <netdb.h>
#include <string.h>
-#ifdef CLIENT_PORT_CEILING
-#undef CLIENT_PORT_CEILING
-#endif
-
-#define CLIENT_PORT_CEILING 1024
-
#ifndef AF_INET_SDP
#define AF_INET_SDP 27
#endif
#include "rpc-transport.h"
#include "socket.h"
+#include "common-utils.h"
int32_t
gf_resolve_ip6 (const char *hostname,
@@ -48,9 +34,17 @@ static int32_t
af_inet_bind_to_port_lt_ceiling (int fd, struct sockaddr *sockaddr,
socklen_t sockaddr_len, int ceiling)
{
- int32_t ret = -1;
- /* struct sockaddr_in sin = {0, }; */
- uint16_t port = ceiling - 1;
+ int32_t ret = -1;
+ uint16_t port = ceiling - 1;
+ // by default assume none of the ports are blocked and all are available
+ gf_boolean_t ports[1024] = {_gf_false,};
+ int i = 0;
+
+ ret = gf_process_reserved_ports (ports);
+ if (ret != 0) {
+ for (i = 0; i < 1024; i++)
+ ports[i] = _gf_false;
+ }
while (port)
{
@@ -65,7 +59,11 @@ af_inet_bind_to_port_lt_ceiling (int fd, struct sockaddr *sockaddr,
((struct sockaddr_in *)sockaddr)->sin_port = htons (port);
break;
}
-
+ // ignore the reserved ports
+ if (ports[port] == _gf_true) {
+ port--;
+ continue;
+ }
ret = bind (fd, sockaddr, sockaddr_len);
if (ret == 0)
@@ -95,7 +93,7 @@ af_unix_client_bind (rpc_transport_t *this,
char *path = data_to_str (path_data);
if (!path || strlen (path) > UNIX_PATH_MAX) {
gf_log (this->name, GF_LOG_TRACE,
- "bind-path not specfied for unix socket, "
+ "bind-path not specified for unix socket, "
"letting connect to assign default value");
goto err;
}
@@ -111,7 +109,7 @@ af_unix_client_bind (rpc_transport_t *this,
}
} else {
gf_log (this->name, GF_LOG_TRACE,
- "bind-path not specfied for unix socket, "
+ "bind-path not specified for unix socket, "
"letting connect to assign default value");
}
@@ -126,6 +124,8 @@ client_fill_address_family (rpc_transport_t *this, sa_family_t *sa_family)
int32_t ret = -1;
if (sa_family == NULL) {
+ gf_log_callingfn ("", GF_LOG_WARNING,
+ "sa_family argument is NULL");
goto out;
}
@@ -140,24 +140,24 @@ client_fill_address_family (rpc_transport_t *this, sa_family_t *sa_family)
if (!(remote_host_data || connect_path_data) ||
(remote_host_data && connect_path_data)) {
gf_log (this->name, GF_LOG_ERROR,
- "transport.address-family not specified and "
- "not able to determine the "
- "same from other options (remote-host:%s and "
- "transport.unix.connect-path:%s)",
+ "transport.address-family not specified. "
+ "Could not guess default value from (remote-host:%s or "
+ "transport.unix.connect-path:%s) options",
data_to_str (remote_host_data),
data_to_str (connect_path_data));
+ *sa_family = AF_UNSPEC;
goto out;
}
if (remote_host_data) {
gf_log (this->name, GF_LOG_DEBUG,
"address-family not specified, guessing it "
- "to be inet/inet6");
- *sa_family = AF_UNSPEC;
+ "to be inet from (remote-host: %s)", data_to_str (remote_host_data));
+ *sa_family = AF_INET;
} else {
gf_log (this->name, GF_LOG_DEBUG,
"address-family not specified, guessing it "
- "to be unix");
+ "to be unix from (transport.unix.connect-path: %s)", data_to_str (connect_path_data));
*sa_family = AF_UNIX;
}
@@ -171,13 +171,11 @@ client_fill_address_family (rpc_transport_t *this, sa_family_t *sa_family)
*sa_family = AF_INET6;
} else if (!strcasecmp (address_family, "inet-sdp")) {
*sa_family = AF_INET_SDP;
- } else if (!strcasecmp (address_family, "inet/inet6")
- || !strcasecmp (address_family, "inet6/inet")) {
- *sa_family = AF_UNSPEC;
} else {
gf_log (this->name, GF_LOG_ERROR,
"unknown address-family (%s) specified",
address_family);
+ *sa_family = AF_UNSPEC;
goto out;
}
}
@@ -353,7 +351,7 @@ af_inet_server_get_local_sockaddr (rpc_transport_t *this,
struct sockaddr *addr,
socklen_t *addr_len)
{
- struct addrinfo hints, *res = 0;
+ struct addrinfo hints, *res = 0, *rp = NULL;
data_t *listen_port_data = NULL, *listen_host_data = NULL;
uint16_t listen_port = -1;
char service[NI_MAXSERV], *listen_host = NULL;
@@ -378,20 +376,20 @@ af_inet_server_get_local_sockaddr (rpc_transport_t *this,
{
listen_host = data_to_str (listen_host_data);
} else {
- if (addr->sa_family == AF_INET6) {
- struct sockaddr_in6 *in = (struct sockaddr_in6 *) addr;
- in->sin6_addr = in6addr_any;
- in->sin6_port = htons(listen_port);
- *addr_len = sizeof(struct sockaddr_in6);
+ if (addr->sa_family == AF_INET6) {
+ struct sockaddr_in6 *in = (struct sockaddr_in6 *) addr;
+ in->sin6_addr = in6addr_any;
+ in->sin6_port = htons(listen_port);
+ *addr_len = sizeof(struct sockaddr_in6);
goto out;
- } else if (addr->sa_family == AF_INET) {
- struct sockaddr_in *in = (struct sockaddr_in *) addr;
- in->sin_addr.s_addr = htonl(INADDR_ANY);
- in->sin_port = htons(listen_port);
- *addr_len = sizeof(struct sockaddr_in);
- goto out;
- }
- }
+ } else if (addr->sa_family == AF_INET) {
+ struct sockaddr_in *in = (struct sockaddr_in *) addr;
+ in->sin_addr.s_addr = htonl(INADDR_ANY);
+ in->sin_port = htons(listen_port);
+ *addr_len = sizeof(struct sockaddr_in);
+ goto out;
+ }
+ }
memset (service, 0, sizeof (service));
sprintf (service, "%d", listen_port);
@@ -399,7 +397,7 @@ af_inet_server_get_local_sockaddr (rpc_transport_t *this,
memset (&hints, 0, sizeof (hints));
hints.ai_family = addr->sa_family;
hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
+ hints.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
ret = getaddrinfo(listen_host, service, &hints, &res);
if (ret != 0) {
@@ -409,9 +407,20 @@ af_inet_server_get_local_sockaddr (rpc_transport_t *this,
ret = -1;
goto out;
}
+ /* IPV6 server can handle both ipv4 and ipv6 clients */
+ for (rp = res; rp != NULL; rp = rp->ai_next) {
+ if (rp->ai_addr == NULL)
+ continue;
+ if (rp->ai_family == AF_INET6) {
+ memcpy (addr, rp->ai_addr, rp->ai_addrlen);
+ *addr_len = rp->ai_addrlen;
+ }
+ }
- memcpy (addr, res->ai_addr, res->ai_addrlen);
- *addr_len = res->ai_addrlen;
+ if (!(*addr_len)) {
+ memcpy (addr, res->ai_addr, res->ai_addrlen);
+ *addr_len = res->ai_addrlen;
+ }
freeaddrinfo (res);
@@ -435,12 +444,14 @@ client_bind (rpc_transport_t *this,
*sockaddr_len = sizeof (struct sockaddr_in);
case AF_INET6:
- ret = af_inet_bind_to_port_lt_ceiling (sock, sockaddr,
- *sockaddr_len, CLIENT_PORT_CEILING);
+ if (!this->bind_insecure) {
+ ret = af_inet_bind_to_port_lt_ceiling (sock, sockaddr,
+ *sockaddr_len, GF_CLIENT_PORT_CEILING);
+ }
if (ret == -1) {
- gf_log (this->name, GF_LOG_WARNING,
+ gf_log (this->name, GF_LOG_DEBUG,
"cannot bind inet socket (%d) to port less than %d (%s)",
- sock, CLIENT_PORT_CEILING, strerror (errno));
+ sock, GF_CLIENT_PORT_CEILING, strerror (errno));
ret = 0;
}
break;
@@ -469,12 +480,9 @@ socket_client_get_remote_sockaddr (rpc_transport_t *this,
{
int32_t ret = 0;
- if ((sockaddr == NULL) || (sockaddr_len == NULL)
- || (sa_family == NULL)) {
- ret = -1;
- goto err;
- }
-
+ GF_VALIDATE_OR_GOTO ("socket", sockaddr, err);
+ GF_VALIDATE_OR_GOTO ("socket", sockaddr_len, err);
+ GF_VALIDATE_OR_GOTO ("socket", sa_family, err);
ret = client_fill_address_family (this, &sockaddr->sa_family);
if (ret) {
@@ -522,9 +530,7 @@ server_fill_address_family (rpc_transport_t *this, sa_family_t *sa_family)
data_t *address_family_data = NULL;
int32_t ret = -1;
- if (sa_family == NULL) {
- goto out;
- }
+ GF_VALIDATE_OR_GOTO ("socket", sa_family, out);
address_family_data = dict_get (this->options,
"transport.address-family");
@@ -540,18 +546,16 @@ server_fill_address_family (rpc_transport_t *this, sa_family_t *sa_family)
*sa_family = AF_INET_SDP;
} else if (!strcasecmp (address_family, "unix")) {
*sa_family = AF_UNIX;
- } else if (!strcasecmp (address_family, "inet/inet6")
- || !strcasecmp (address_family, "inet6/inet")) {
- *sa_family = AF_UNSPEC;
} else {
gf_log (this->name, GF_LOG_ERROR,
"unknown address family (%s) specified", address_family);
+ *sa_family = AF_UNSPEC;
goto out;
}
} else {
gf_log (this->name, GF_LOG_DEBUG,
- "option address-family not specified, defaulting to inet/inet6");
- *sa_family = AF_UNSPEC;
+ "option address-family not specified, defaulting to inet");
+ *sa_family = AF_INET;
}
ret = 0;
@@ -566,9 +570,9 @@ socket_server_get_local_sockaddr (rpc_transport_t *this, struct sockaddr *addr,
{
int32_t ret = -1;
- if ((addr == NULL) || (addr_len == NULL) || (sa_family == NULL)) {
- goto err;
- }
+ GF_VALIDATE_OR_GOTO ("socket", sa_family, err);
+ GF_VALIDATE_OR_GOTO ("socket", addr, err);
+ GF_VALIDATE_OR_GOTO ("socket", addr_len, err);
ret = server_fill_address_family (this, &addr->sa_family);
if (ret == -1) {
@@ -605,7 +609,7 @@ int32_t
fill_inet6_inet_identifiers (rpc_transport_t *this, struct sockaddr_storage *addr,
int32_t addr_len, char *identifier)
{
- struct sockaddr_storage tmpaddr;
+ union gf_sock_union sock_union;
char service[NI_MAXSERV] = {0,};
char host[NI_MAXHOST] = {0,};
@@ -617,26 +621,26 @@ fill_inet6_inet_identifiers (rpc_transport_t *this, struct sockaddr_storage *add
int16_t eight_to_ten = 0;
int16_t ten_to_twelve = 0;
- memset (&tmpaddr, 0, sizeof (tmpaddr));
- tmpaddr = *addr;
+ memset (&sock_union, 0, sizeof (sock_union));
+ sock_union.storage = *addr;
tmpaddr_len = addr_len;
- if (((struct sockaddr *) &tmpaddr)->sa_family == AF_INET6) {
- one_to_four = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[0];
- four_to_eight = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[1];
+ if (sock_union.sa.sa_family == AF_INET6) {
+ one_to_four = sock_union.sin6.sin6_addr.s6_addr32[0];
+ four_to_eight = sock_union.sin6.sin6_addr.s6_addr32[1];
#ifdef GF_SOLARIS_HOST_OS
- eight_to_ten = S6_ADDR16(((struct sockaddr_in6 *) &tmpaddr)->sin6_addr)[4];
+ eight_to_ten = S6_ADDR16(sock_union.sin6.sin6_addr)[4];
#else
- eight_to_ten = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr16[4];
+ eight_to_ten = sock_union.sin6.sin6_addr.s6_addr16[4];
#endif
#ifdef GF_SOLARIS_HOST_OS
- ten_to_twelve = S6_ADDR16(((struct sockaddr_in6 *) &tmpaddr)->sin6_addr)[5];
+ ten_to_twelve = S6_ADDR16(sock_union.sin6.sin6_addr)[5];
#else
- ten_to_twelve = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr16[5];
+ ten_to_twelve = sock_union.sin6.sin6_addr.s6_addr16[5];
#endif
- twelve_to_sixteen = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[3];
+ twelve_to_sixteen = sock_union.sin6.sin6_addr.s6_addr32[3];
/* ipv4 mapped ipv6 address has
bits 0-80: 0
@@ -648,8 +652,8 @@ fill_inet6_inet_identifiers (rpc_transport_t *this, struct sockaddr_storage *add
four_to_eight == 0 &&
eight_to_ten == 0 &&
ten_to_twelve == -1) {
- struct sockaddr_in *in_ptr = (struct sockaddr_in *)&tmpaddr;
- memset (&tmpaddr, 0, sizeof (tmpaddr));
+ struct sockaddr_in *in_ptr = &sock_union.sin;
+ memset (&sock_union, 0, sizeof (sock_union));
in_ptr->sin_family = AF_INET;
in_ptr->sin_port = ((struct sockaddr_in6 *)addr)->sin6_port;
@@ -658,7 +662,7 @@ fill_inet6_inet_identifiers (rpc_transport_t *this, struct sockaddr_storage *add
}
}
- ret = getnameinfo ((struct sockaddr *) &tmpaddr,
+ ret = getnameinfo (&sock_union.sa,
tmpaddr_len,
host, sizeof (host),
service, sizeof (service),
generated by cgit (git 2.34.1) at 2026-01-04 15:55:23 +0000