s3:winbind:grent: convert wb_next_grent to use wb_query_group_list.
[bbaumbach/samba-autobuild/.git] / source3 / libsmb / smbsock_connect.c
index 352de85fd2c417496f075b3d7b32cc04a7711075..403750d7192c2a9f723871376d7aaebf35f5fd24 100644 (file)
 
 #include "includes.h"
 #include "../lib/async_req/async_sock.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "../lib/util/tevent_unix.h"
+#include "client.h"
 #include "async_smb.h"
+#include "../libcli/smb/read_smb.h"
+#include "libsmb/nmblib.h"
+
+struct cli_session_request_state {
+       struct tevent_context *ev;
+       int sock;
+       uint32 len_hdr;
+       struct iovec iov[3];
+       uint8_t nb_session_response;
+};
+
+static void cli_session_request_sent(struct tevent_req *subreq);
+static void cli_session_request_recvd(struct tevent_req *subreq);
+
+static struct tevent_req *cli_session_request_send(TALLOC_CTX *mem_ctx,
+                                       struct tevent_context *ev,
+                                       int sock,
+                                       const struct nmb_name *called,
+                                       const struct nmb_name *calling)
+{
+       struct tevent_req *req, *subreq;
+       struct cli_session_request_state *state;
+
+       req = tevent_req_create(mem_ctx, &state,
+                               struct cli_session_request_state);
+       if (req == NULL) {
+               return NULL;
+       }
+       state->ev = ev;
+       state->sock = sock;
+
+       state->iov[1].iov_base = name_mangle(
+               state, called->name, called->name_type);
+       if (tevent_req_nomem(state->iov[1].iov_base, req)) {
+               return tevent_req_post(req, ev);
+       }
+       state->iov[1].iov_len = name_len(
+               (unsigned char *)state->iov[1].iov_base,
+               talloc_get_size(state->iov[1].iov_base));
+
+       state->iov[2].iov_base = name_mangle(
+               state, calling->name, calling->name_type);
+       if (tevent_req_nomem(state->iov[2].iov_base, req)) {
+               return tevent_req_post(req, ev);
+       }
+       state->iov[2].iov_len = name_len(
+               (unsigned char *)state->iov[2].iov_base,
+               talloc_get_size(state->iov[2].iov_base));
+
+       _smb_setlen(((char *)&state->len_hdr),
+                   state->iov[1].iov_len + state->iov[2].iov_len);
+       SCVAL((char *)&state->len_hdr, 0, 0x81);
+
+       state->iov[0].iov_base = &state->len_hdr;
+       state->iov[0].iov_len = sizeof(state->len_hdr);
+
+       subreq = writev_send(state, ev, NULL, sock, true, state->iov, 3);
+       if (tevent_req_nomem(subreq, req)) {
+               return tevent_req_post(req, ev);
+       }
+       tevent_req_set_callback(subreq, cli_session_request_sent, req);
+       return req;
+}
+
+static void cli_session_request_sent(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct cli_session_request_state *state = tevent_req_data(
+               req, struct cli_session_request_state);
+       ssize_t ret;
+       int err;
+
+       ret = writev_recv(subreq, &err);
+       TALLOC_FREE(subreq);
+       if (ret == -1) {
+               tevent_req_error(req, err);
+               return;
+       }
+       subreq = read_smb_send(state, state->ev, state->sock);
+       if (tevent_req_nomem(subreq, req)) {
+               return;
+       }
+       tevent_req_set_callback(subreq, cli_session_request_recvd, req);
+}
+
+static void cli_session_request_recvd(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct cli_session_request_state *state = tevent_req_data(
+               req, struct cli_session_request_state);
+       uint8_t *buf;
+       ssize_t ret;
+       int err;
+
+       ret = read_smb_recv(subreq, talloc_tos(), &buf, &err);
+       TALLOC_FREE(subreq);
+
+       if (ret < 4) {
+               ret = -1;
+               err = EIO;
+       }
+       if (ret == -1) {
+               tevent_req_error(req, err);
+               return;
+       }
+       /*
+        * In case of an error there is more information in the data
+        * portion according to RFC1002. We're not subtle enough to
+        * respond to the different error conditions, so drop the
+        * error info here.
+        */
+       state->nb_session_response = CVAL(buf, 0);
+       tevent_req_done(req);
+}
+
+static bool cli_session_request_recv(struct tevent_req *req, int *err, uint8_t *resp)
+{
+       struct cli_session_request_state *state = tevent_req_data(
+               req, struct cli_session_request_state);
+
+       if (tevent_req_is_unix_error(req, err)) {
+               return false;
+       }
+       *resp = state->nb_session_response;
+       return true;
+}
 
 struct nb_connect_state {
        struct tevent_context *ev;
@@ -60,7 +191,7 @@ static struct tevent_req *nb_connect_send(TALLOC_CTX *mem_ctx,
 
        talloc_set_destructor(state, nb_connect_state_destructor);
 
-       subreq = open_socket_out_send(state, ev, addr, 139, 5000);
+       subreq = open_socket_out_send(state, ev, addr, NBT_SMB_PORT, 5000);
        if (tevent_req_nomem(subreq, req)) {
                return tevent_req_post(req, ev);
        }
@@ -145,7 +276,7 @@ static void nb_connect_done(struct tevent_req *subreq)
                make_nmb_name(&state->called, state->called_name, 0x20);
 
                subreq = open_socket_out_send(state, state->ev, state->addr,
-                                             139, 5000);
+                                             NBT_SMB_PORT, 5000);
                if (tevent_req_nomem(subreq, req)) {
                        return;
                }
@@ -199,7 +330,7 @@ struct tevent_req *smbsock_connect_send(TALLOC_CTX *mem_ctx,
                                        const char *calling_name,
                                        int calling_type)
 {
-       struct tevent_req *req, *subreq;
+       struct tevent_req *req;
        struct smbsock_connect_state *state;
 
        req = tevent_req_create(mem_ctx, &state, struct smbsock_connect_state);
@@ -214,18 +345,23 @@ struct tevent_req *smbsock_connect_send(TALLOC_CTX *mem_ctx,
        state->called_type =
                (called_type != -1) ? called_type : 0x20;
        state->calling_name =
-               (calling_name != NULL) ? calling_name : global_myname();
+               (calling_name != NULL) ? calling_name : lp_netbios_name();
        state->calling_type =
                (calling_type != -1) ? calling_type : 0x00;
 
        talloc_set_destructor(state, smbsock_connect_state_destructor);
 
-       if (port == 139) {
-               subreq = tevent_wakeup_send(state, ev, timeval_set(0, 0));
-               if (tevent_req_nomem(subreq, req)) {
+       if (port == NBT_SMB_PORT) {
+               state->req_139 = nb_connect_send(state, state->ev, state->addr,
+                                                state->called_name,
+                                                state->called_type,
+                                                state->calling_name,
+                                                state->calling_type);
+               if (tevent_req_nomem(state->req_139, req)) {
                        return tevent_req_post(req, ev);
                }
-               tevent_req_set_callback(subreq, smbsock_connect_do_139, req);
+               tevent_req_set_callback(
+                       state->req_139, smbsock_connect_connected, req);
                return req;
        }
        if (port != 0) {
@@ -243,7 +379,7 @@ struct tevent_req *smbsock_connect_send(TALLOC_CTX *mem_ctx,
         * port==0, try both
         */
 
-       state->req_445 = open_socket_out_send(state, ev, addr, 445, 5000);
+       state->req_445 = open_socket_out_send(state, ev, addr, TCP_SMB_PORT, 5000);
        if (tevent_req_nomem(state->req_445, req)) {
                return tevent_req_post(req, ev);
        }
@@ -251,7 +387,7 @@ struct tevent_req *smbsock_connect_send(TALLOC_CTX *mem_ctx,
                                req);
 
        /*
-        * After 5 msecs, fire the 139 request
+        * After 5 msecs, fire the 139 (NBT) request
         */
        state->req_139 = tevent_wakeup_send(
                state, ev, timeval_current_ofs(0, 5000));
@@ -269,6 +405,7 @@ static int smbsock_connect_state_destructor(
 {
        if (state->sock != -1) {
                close(state->sock);
+               state->sock = -1;
        }
        return 0;
 }
@@ -313,14 +450,14 @@ static void smbsock_connect_connected(struct tevent_req *subreq)
                status = open_socket_out_recv(subreq, &state->sock);
                TALLOC_FREE(state->req_445);
                unfinished_req = state->req_139;
-               state->port = 445;
+               state->port = TCP_SMB_PORT;
 
        } else if (subreq == state->req_139) {
 
                status = nb_connect_recv(subreq, &state->sock);
                TALLOC_FREE(state->req_139);
                unfinished_req = state->req_445;
-               state->port = 139;
+               state->port = NBT_SMB_PORT;
 
        } else {
                tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
@@ -367,14 +504,14 @@ NTSTATUS smbsock_connect_recv(struct tevent_req *req, int *sock,
 NTSTATUS smbsock_connect(const struct sockaddr_storage *addr, uint16_t port,
                         const char *called_name, int called_type,
                         const char *calling_name, int calling_type,
-                        int *pfd, uint16_t *ret_port)
+                        int *pfd, uint16_t *ret_port, int sec_timeout)
 {
        TALLOC_CTX *frame = talloc_stackframe();
-       struct event_context *ev;
+       struct tevent_context *ev;
        struct tevent_req *req;
        NTSTATUS status = NT_STATUS_NO_MEMORY;
 
-       ev = event_context_init(frame);
+       ev = samba_tevent_context_init(frame);
        if (ev == NULL) {
                goto fail;
        }
@@ -384,6 +521,11 @@ NTSTATUS smbsock_connect(const struct sockaddr_storage *addr, uint16_t port,
        if (req == NULL) {
                goto fail;
        }
+       if ((sec_timeout != 0) &&
+           !tevent_req_set_endtime(
+                   req, ev, timeval_current_ofs(sec_timeout, 0))) {
+               goto fail;
+       }
        if (!tevent_req_poll_ntstatus(req, ev, &status)) {
                goto fail;
        }
@@ -567,7 +709,7 @@ static void smbsock_any_connect_connected(struct tevent_req *subreq)
        }
 
        state->num_received += 1;
-       if (state->num_received <= state->num_addrs) {
+       if (state->num_received < state->num_addrs) {
                /*
                 * More addrs pending, wait for the others
                 */
@@ -609,15 +751,16 @@ NTSTATUS smbsock_any_connect(const struct sockaddr_storage *addrs,
                             int *calling_types,
                             size_t num_addrs,
                             uint16_t port,
+                            int sec_timeout,
                             int *pfd, size_t *chosen_index,
                             uint16_t *chosen_port)
 {
        TALLOC_CTX *frame = talloc_stackframe();
-       struct event_context *ev;
+       struct tevent_context *ev;
        struct tevent_req *req;
        NTSTATUS status = NT_STATUS_NO_MEMORY;
 
-       ev = event_context_init(frame);
+       ev = samba_tevent_context_init(frame);
        if (ev == NULL) {
                goto fail;
        }
@@ -628,6 +771,11 @@ NTSTATUS smbsock_any_connect(const struct sockaddr_storage *addrs,
        if (req == NULL) {
                goto fail;
        }
+       if ((sec_timeout != 0) &&
+           !tevent_req_set_endtime(
+                   req, ev, timeval_current_ofs(sec_timeout, 0))) {
+               goto fail;
+       }
        if (!tevent_req_poll_ntstatus(req, ev, &status)) {
                goto fail;
        }