From 5b7b47f01568200f5064ca4b48457edb5ccc3109 Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl@samba.org>
Date: Sun, 26 Apr 2009 00:01:43 +0200
Subject: [PATCH] Add getaddrinfo_send/recv

---
 source3/include/proto.h                    |  7 ++
 source3/lib/util_sock.c                    | 82 ++++++++++++++++++++++
 source3/script/tests/test_smbtorture_s3.sh |  1 +
 source3/torture/torture.c                  | 55 +++++++++++++++
 4 files changed, 145 insertions(+)

diff --git a/source3/include/proto.h b/source3/include/proto.h
index 9aa92659740..936a724ac50 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -1418,6 +1418,13 @@ struct tevent_req *read_smb_send(TALLOC_CTX *mem_ctx,
 				 int fd);
 ssize_t read_smb_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
 		      uint8_t **pbuf, int *perrno);
+struct tevent_req *getaddrinfo_send(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *ev,
+				    struct fncall_context *ctx,
+				    const char *node,
+				    const char *service,
+				    const struct addrinfo *hints);
+int getaddrinfo_recv(struct tevent_req *req, struct addrinfo **res);
 
 /* The following definitions come from lib/util_str.c  */
 
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index cbd7b983c71..3fd0cc4ad31 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -2053,3 +2053,85 @@ ssize_t read_smb_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
 	*pbuf = talloc_move(mem_ctx, &state->buf);
 	return talloc_get_size(*pbuf);
 }
+
+struct getaddrinfo_state {
+	const char *node;
+	const char *service;
+	const struct addrinfo *hints;
+	struct addrinfo *res;
+	int ret;
+};
+
+static void getaddrinfo_do(void *private_data);
+static void getaddrinfo_done(struct tevent_req *subreq);
+
+struct tevent_req *getaddrinfo_send(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *ev,
+				    struct fncall_context *ctx,
+				    const char *node,
+				    const char *service,
+				    const struct addrinfo *hints)
+{
+	struct tevent_req *req, *subreq;
+	struct getaddrinfo_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct getaddrinfo_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	state->node = node;
+	state->service = service;
+	state->hints = hints;
+
+	subreq = fncall_send(state, ev, ctx, getaddrinfo_do, state);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, getaddrinfo_done, req);
+	return req;
+}
+
+static void getaddrinfo_do(void *private_data)
+{
+	struct getaddrinfo_state *state =
+		(struct getaddrinfo_state *)private_data;
+
+	state->ret = getaddrinfo(state->node, state->service, state->hints,
+				 &state->res);
+}
+
+static void getaddrinfo_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	int ret, err;
+
+	ret = fncall_recv(subreq, &err);
+	TALLOC_FREE(subreq);
+	if (ret == -1) {
+		tevent_req_error(req, err);
+		return;
+	}
+	tevent_req_done(req);
+}
+
+int getaddrinfo_recv(struct tevent_req *req, struct addrinfo **res)
+{
+	struct getaddrinfo_state *state = tevent_req_data(
+		req, struct getaddrinfo_state);
+	int err;
+
+	if (tevent_req_is_unix_error(req, &err)) {
+		switch(err) {
+		case ENOMEM:
+			return EAI_MEMORY;
+		default:
+			return EAI_FAIL;
+		}
+	}
+	if (state->ret == 0) {
+		*res = state->res;
+	}
+	return state->ret;
+}
diff --git a/source3/script/tests/test_smbtorture_s3.sh b/source3/script/tests/test_smbtorture_s3.sh
index 70c6d34c885..624e968f7bf 100755
--- a/source3/script/tests/test_smbtorture_s3.sh
+++ b/source3/script/tests/test_smbtorture_s3.sh
@@ -28,6 +28,7 @@ tests="$tests OPLOCK1 OPLOCK2 OPLOCK3"
 tests="$tests DIR DIR1 TCON TCONDEV RW1 RW2 RW3"
 tests="$tests OPEN XCOPY RENAME DELETE PROPERTIES W2K"
 tests="$tests TCON2 IOCTL CHKPATH FDSESS LOCAL-SUBSTITUTE CHAIN1"
+tests="$tests GETADDRINFO"
 
 skipped1="RANDOMIPC NEGNOWAIT NBENCH ERRMAPEXTRACT TRANS2SCAN NTTRANSSCAN"
 skipped2="DENY1 DENY2 OPENATTR CASETABLE EATEST"
diff --git a/source3/torture/torture.c b/source3/torture/torture.c
index 4689d8ff55d..50bfa61c557 100644
--- a/source3/torture/torture.c
+++ b/source3/torture/torture.c
@@ -5628,6 +5628,60 @@ static bool run_local_wbclient(int dummy)
 	return result;
 }
 
+static void getaddrinfo_finished(struct tevent_req *req)
+{
+	char *name = (char *)tevent_req_callback_data_void(req);
+	struct addrinfo *ainfo;
+	int res;
+
+	res = getaddrinfo_recv(req, &ainfo);
+	if (res != 0) {
+		d_printf("gai(%s) returned %s\n", name, gai_strerror(res));
+		return;
+	}
+	d_printf("gai(%s) succeeded\n", name);
+	freeaddrinfo(ainfo);
+}
+
+static bool run_getaddrinfo_send(int dummy)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct fncall_context *ctx;
+	struct tevent_context *ev;
+	bool result = false;
+	const char *names[4] = { "www.samba.org", "notfound.samba.org",
+				 "www.slashdot.org", "heise.de" };
+	struct tevent_req *reqs[4];
+	int i;
+
+	ev = event_context_init(frame);
+	if (ev == NULL) {
+		goto fail;
+	}
+
+	ctx = fncall_context_init(frame, 4);
+
+	for (i=0; i<ARRAY_SIZE(names); i++) {
+		reqs[i] = getaddrinfo_send(frame, ev, ctx, names[i], NULL,
+					   NULL);
+		if (reqs[i] == NULL) {
+			goto fail;
+		}
+		tevent_req_set_callback(reqs[i], getaddrinfo_finished,
+					names[i]);
+	}
+
+	for (i=0; i<ARRAY_SIZE(reqs); i++) {
+		tevent_loop_once(ev);
+	}
+
+	result = true;
+fail:
+	TALLOC_FREE(frame);
+	return result;
+}
+
+
 static double create_procs(bool (*fn)(int), bool *result)
 {
 	int i, status;
@@ -5785,6 +5839,7 @@ static struct {
 	{ "CHAIN1", run_chain1, 0},
 	{ "WINDOWS-WRITE", run_windows_write, 0},
 	{ "CLI_ECHO", run_cli_echo, 0},
+	{ "GETADDRINFO", run_getaddrinfo_send, 0},
 	{ "LOCAL-SUBSTITUTE", run_local_substitute, 0},
 	{ "LOCAL-GENCACHE", run_local_gencache, 0},
 	{ "LOCAL-RBTREE", run_local_rbtree, 0},
-- 
2.34.1