r19393: Add replacement function for socketpair()

(This used to be commit 448a3ecc0184bfa063db1eb3ae6dc16b8b792792)

3 files changed, 66 insertions, 0 deletions

diff --git a/source4/lib/replace/replace.c b/source4/lib/replace/replace.c
index e7f47d7d52..83d7948dfb 100644
--- a/source4/lib/replace/replace.c
+++ b/source4/lib/replace/replace.c
@@ -590,3 +590,24 @@ int rep_setenv(const char *name, const char *value, int overwrite)
 }
 #endif
 
+#ifndef HAVE_SOCKETPAIR
+int rep_socketpair(int d, int type, int protocol, int sv[2])
+{
+	if (d != AF_UNIX) {
+		errno = EAFNOSUPPORT;
+		return -1;
+	}
+
+	if (protocol != 0) {
+		errno = EPROTONOSUPPORT;
+		return -1;
+	}
+
+	if (type != SOCK_STREAM) {
+		errno = EOPNOTSUPP;
+		return -1;
+	}
+
+	return pipe(sock);
+}
+#endif
diff --git a/source4/lib/replace/replace.h b/source4/lib/replace/replace.h
index 7a79f335e2..d75394aa1f 100644
--- a/source4/lib/replace/replace.h
+++ b/source4/lib/replace/replace.h
@@ -209,6 +209,10 @@ void *rep_dlsym(void *handle, const char *symbol);
 int rep_dlclose(void *handle);
 #endif
 
+#ifndef HAVE_SOCKETPAIR
+#define socketpair rep_socketpair
+int rep_socketpair(int d, int type, int protocol, int sv[2]);
+#endif
 
 #ifndef PRINTF_ATTRIBUTE
 #if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
diff --git a/source4/lib/replace/test/testsuite.c b/source4/lib/replace/test/testsuite.c
index 3e20e22e45..e921a7fc97 100644
--- a/source4/lib/replace/test/testsuite.c
+++ b/source4/lib/replace/test/testsuite.c
@@ -376,6 +376,46 @@ static int test_MAX(void)
 	return true;
 }
 
+static bool test_socketpair(void)
+{
+	int sock[2];
+	char buf[20];
+
+	printf("test: socketpair\n");
+
+	if (socketpair(AF_UNIX, SOCK_STREAM, 0, sock) == -1) {
+		printf("failure: socketpair [\n"
+			   "socketpair() failed\n"
+			   "]\n");
+		return false;
+	}
+
+	if (write(sock[0], "automatisch", 12) == -1) {
+		printf("failure: socketpair [\n"
+			   "write() failed: %s\n"
+			   "]\n", strerror(errno));
+		return false;
+	}
+
+	if (read(sock[1], buf, 12) == -1) {
+		printf("failure: socketpair [\n"
+			   "read() failed: %s\n"
+			   "]\n", strerror(errno));
+		return false;
+	}
+
+	if (strcmp(buf, "automatisch") != 0) {
+		printf("failure: socketpair [\n"
+			   "expected: automatisch, got: %s\n"
+			   "]\n", buf);
+		return false;
+	}
+
+	printf("success: socketpair\n");
+
+	return true;
+}
+
 struct torture_context;
 
 int main()
@@ -424,6 +464,7 @@ int main()
 	ret &= test_FUNCTION();
 	ret &= test_MIN();
 	ret &= test_MAX();
+	ret &= test_socketpair();
 
 	if (ret) 
 		return 0;