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-rw-r--r--source4/lib/socket_wrapper/config.m45
-rw-r--r--source4/lib/socket_wrapper/socket_wrapper.c66
2 files changed, 48 insertions, 23 deletions
diff --git a/source4/lib/socket_wrapper/config.m4 b/source4/lib/socket_wrapper/config.m4
new file mode 100644
index 0000000000..97984d0436
--- /dev/null
+++ b/source4/lib/socket_wrapper/config.m4
@@ -0,0 +1,5 @@
+AC_ARG_ENABLE(socket-wrapper,
+[ --enable-socket-wrapper Turn on socket wrapper library (default=no)],
+ [if eval "test x$enable_socket_wrapper = xyes"; then
+ AC_DEFINE(SOCKET_WRAPPER,1,[Use socket wrapper library])
+ fi])
diff --git a/source4/lib/socket_wrapper/socket_wrapper.c b/source4/lib/socket_wrapper/socket_wrapper.c
index 5decde2cea..b91ff2cb0e 100644
--- a/source4/lib/socket_wrapper/socket_wrapper.c
+++ b/source4/lib/socket_wrapper/socket_wrapper.c
@@ -19,7 +19,7 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#ifdef SAMBA_MAJOR_VERSION
+#ifdef _SAMBA_BUILD
#include "includes.h"
#include "system/network.h"
#else
@@ -28,6 +28,7 @@
#include <errno.h>
#include <sys/un.h>
#include <netinet/in.h>
+#include <netinet/tcp.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
@@ -53,7 +54,7 @@
#define real_close close
#endif
-static struct sockaddr *memdup(const void *data, socklen_t len)
+static struct sockaddr *sockaddr_dup(const void *data, socklen_t len)
{
struct sockaddr *ret = (struct sockaddr *)malloc(len);
memcpy(ret, data, len);
@@ -83,6 +84,7 @@ static int convert_un_in(const struct sockaddr_un *un, struct sockaddr_in *in, s
{
unsigned int prt;
const char *p;
+ int type;
if ((*len) < sizeof(struct sockaddr_in)) {
return 0;
@@ -93,7 +95,7 @@ static int convert_un_in(const struct sockaddr_un *un, struct sockaddr_in *in, s
p = strchr(un->sun_path, '/');
if (p) p++; else p = un->sun_path;
- if(sscanf(p, "sock_ip_%u", &prt) == 1)
+ if(sscanf(p, "sock_ip_%d_%u", &type, &prt) == 1)
{
in->sin_port = htons(prt);
}
@@ -102,12 +104,11 @@ static int convert_un_in(const struct sockaddr_un *un, struct sockaddr_in *in, s
return 0;
}
-static int convert_in_un(const struct sockaddr_in *in, struct sockaddr_un *un)
+static int convert_in_un(int type, const struct sockaddr_in *in, struct sockaddr_un *un)
{
uint16_t prt = ntohs(in->sin_port);
/* FIXME: ENETUNREACH if in->sin_addr is not loopback */
- un->sun_family = AF_LOCAL;
- snprintf(un->sun_path, sizeof(un->sun_path), "%s/sock_ip_%u", getenv("SOCKET_WRAPPER_DIR"), prt);
+ snprintf(un->sun_path, sizeof(un->sun_path), "%s/sock_ip_%d_%u", getenv("SOCKET_WRAPPER_DIR"), type, prt);
return 0;
}
@@ -122,15 +123,17 @@ static struct socket_info *find_socket_info(int fd)
return NULL;
}
-static int sockaddr_convert_to_un(const struct sockaddr *in_addr, socklen_t in_len,
+static int sockaddr_convert_to_un(const struct socket_info *si, const struct sockaddr *in_addr, socklen_t in_len,
struct sockaddr_un *out_addr)
{
if (!out_addr)
return 0;
+ out_addr->sun_family = AF_LOCAL;
+
switch (in_addr->sa_family) {
case AF_INET:
- return convert_in_un((const struct sockaddr_in *)in_addr, out_addr);
+ return convert_in_un(si->type, (const struct sockaddr_in *)in_addr, out_addr);
case AF_LOCAL:
memcpy(out_addr, in_addr, sizeof(*out_addr));
return 0;
@@ -142,7 +145,8 @@ static int sockaddr_convert_to_un(const struct sockaddr *in_addr, socklen_t in_l
return -1;
}
-static int sockaddr_convert_from_un(const struct sockaddr_un *in_addr,
+static int sockaddr_convert_from_un(const struct socket_info *si,
+ const struct sockaddr_un *in_addr,
int family,
struct sockaddr *out_addr,
socklen_t *out_len)
@@ -210,7 +214,7 @@ int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
fd = ret;
- ret = sockaddr_convert_from_un(&un_addr, parent_si->domain, addr, addrlen);
+ ret = sockaddr_convert_from_un(parent_si, &un_addr, parent_si->domain, addr, addrlen);
if (ret < 0) return ret;
@@ -221,7 +225,7 @@ int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
if (addr && addrlen) {
child_si->myname_len = *addrlen;
- child_si->myname = memdup(addr, *addrlen);
+ child_si->myname = sockaddr_dup(addr, *addrlen);
}
return fd;
@@ -237,7 +241,7 @@ int swrap_connect(int s, const struct sockaddr *serv_addr, socklen_t addrlen)
return real_connect(s, serv_addr, addrlen);
}
- ret = sockaddr_convert_to_un((const struct sockaddr *)serv_addr, addrlen, &un_addr);
+ ret = sockaddr_convert_to_un(si, (const struct sockaddr *)serv_addr, addrlen, &un_addr);
if (ret < 0) return ret;
ret = real_connect(s,
@@ -246,7 +250,7 @@ int swrap_connect(int s, const struct sockaddr *serv_addr, socklen_t addrlen)
if (ret >= 0) {
si->peername_len = addrlen;
- si->peername = memdup(serv_addr, addrlen);
+ si->peername = sockaddr_dup(serv_addr, addrlen);
}
return ret;
@@ -262,7 +266,7 @@ int swrap_bind(int s, const struct sockaddr *myaddr, socklen_t addrlen)
return real_bind(s, myaddr, addrlen);
}
- ret = sockaddr_convert_to_un((const struct sockaddr *)myaddr, addrlen, &un_addr);
+ ret = sockaddr_convert_to_un(si, (const struct sockaddr *)myaddr, addrlen, &un_addr);
if (ret < 0) return ret;
unlink(un_addr.sun_path);
@@ -273,7 +277,7 @@ int swrap_bind(int s, const struct sockaddr *myaddr, socklen_t addrlen)
if (ret >= 0) {
si->myname_len = addrlen;
- si->myname = memdup(myaddr, addrlen);
+ si->myname = sockaddr_dup(myaddr, addrlen);
}
return ret;
@@ -321,12 +325,17 @@ int swrap_getsockopt(int s, int level, int optname, void *optval, socklen_t *opt
return real_getsockopt(s, level, optname, optval, optlen);
}
- if (level != SOL_SOCKET) {
+ if (level == SOL_SOCKET) {
+ return real_getsockopt(s, level, optname, optval, optlen);
+ }
+
+ switch (si->domain) {
+ case AF_LOCAL:
+ return real_getsockopt(s, level, optname, optval, optlen);
+ default:
errno = ENOPROTOOPT;
return -1;
}
-
- return real_getsockopt(s, level, optname, optval, optlen);
}
int swrap_setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen)
@@ -337,12 +346,23 @@ int swrap_setsockopt(int s, int level, int optname, const void *optval, so
return real_setsockopt(s, level, optname, optval, optlen);
}
- if (level != SOL_SOCKET) {
+ if (level == SOL_SOCKET) {
+ return real_setsockopt(s, level, optname, optval, optlen);
+ }
+
+ switch (si->domain) {
+ case AF_LOCAL:
+ return real_setsockopt(s, level, optname, optval, optlen);
+ case AF_INET:
+ /* Silence some warnings */
+#ifdef TCP_NODELAY
+ if (optname == TCP_NODELAY)
+ return 0;
+#endif
+ default:
errno = ENOPROTOOPT;
return -1;
}
-
- return real_setsockopt(s, level, optname, optval, optlen);
}
ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen)
@@ -360,7 +380,7 @@ ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags, struct sockaddr
if (ret < 0)
return ret;
- ret = sockaddr_convert_from_un(&un_addr, si->domain, from, fromlen);
+ ret = sockaddr_convert_from_un(si, &un_addr, si->domain, from, fromlen);
return ret;
}
@@ -375,7 +395,7 @@ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, const str
return real_sendto(s, buf, len, flags, to, tolen);
}
- ret = sockaddr_convert_to_un(to, tolen, &un_addr);
+ ret = sockaddr_convert_to_un(si, to, tolen, &un_addr);
if (ret < 0)
return ret;
generated by cgit (git 2.34.1) at 2024-12-25 20:33:05 +0000