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Diffstat (limited to 'source3/libsmb/cliconnect.c')
-rw-r--r--source3/libsmb/cliconnect.c197
1 files changed, 147 insertions, 50 deletions
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index e1bba90329..ed5adc5694 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -1173,13 +1173,17 @@ bool cli_ulogoff(struct cli_state *cli)
Send a tconX.
****************************************************************************/
-bool cli_send_tconX(struct cli_state *cli,
- const char *share, const char *dev, const char *pass, int passlen)
+struct async_req *cli_tcon_andx_send(TALLOC_CTX *mem_ctx,
+ struct event_context *ev,
+ struct cli_state *cli,
+ const char *share, const char *dev,
+ const char *pass, int passlen)
{
- fstring fullshare, pword;
- char *p;
- memset(cli->outbuf,'\0',smb_size);
- memset(cli->inbuf,'\0',smb_size);
+ fstring pword;
+ char *tmp = NULL;
+ struct async_req *result;
+ uint16_t vwv[4];
+ uint8_t *bytes;
fstrcpy(cli->share, share);
@@ -1187,9 +1191,10 @@ bool cli_send_tconX(struct cli_state *cli,
if (cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
passlen = 1;
pass = "";
- } else if (!pass) {
- DEBUG(1, ("Server not using user level security and no password supplied.\n"));
- return False;
+ } else if (pass == NULL) {
+ DEBUG(1, ("Server not using user level security and no "
+ "password supplied.\n"));
+ goto access_denied;
}
if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) &&
@@ -1198,28 +1203,32 @@ bool cli_send_tconX(struct cli_state *cli,
DEBUG(1, ("Server requested LANMAN password "
"(share-level security) but "
"'client lanman auth' is disabled\n"));
- return False;
+ goto access_denied;
}
/*
- * Non-encrypted passwords - convert to DOS codepage before encryption.
+ * Non-encrypted passwords - convert to DOS codepage before
+ * encryption.
*/
passlen = 24;
- SMBencrypt(pass,cli->secblob.data,(uchar *)pword);
+ SMBencrypt(pass, cli->secblob.data, (uchar *)pword);
} else {
- if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL|NEGOTIATE_SECURITY_CHALLENGE_RESPONSE)) == 0) {
+ if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL
+ |NEGOTIATE_SECURITY_CHALLENGE_RESPONSE))
+ == 0) {
if (!lp_client_plaintext_auth() && (*pass)) {
DEBUG(1, ("Server requested plaintext "
"password but 'client plaintext "
"auth' is disabled\n"));
- return False;
+ goto access_denied;
}
/*
- * Non-encrypted passwords - convert to DOS codepage before using.
+ * Non-encrypted passwords - convert to DOS codepage
+ * before using.
*/
- passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE);
-
+ passlen = clistr_push(cli, pword, pass, sizeof(pword),
+ STR_TERMINATE);
} else {
if (passlen) {
memcpy(pword, pass, passlen);
@@ -1227,52 +1236,139 @@ bool cli_send_tconX(struct cli_state *cli,
}
}
- slprintf(fullshare, sizeof(fullshare)-1,
- "\\\\%s\\%s", cli->desthost, share);
+ SCVAL(vwv+0, 0, 0xFF);
+ SCVAL(vwv+0, 1, 0);
+ SSVAL(vwv+1, 0, 0);
+ SSVAL(vwv+2, 0, TCONX_FLAG_EXTENDED_RESPONSE);
+ SSVAL(vwv+3, 0, passlen);
- cli_set_message(cli->outbuf,4, 0, True);
- SCVAL(cli->outbuf,smb_com,SMBtconX);
- cli_setup_packet(cli);
+ if (passlen) {
+ bytes = (uint8_t *)talloc_memdup(talloc_tos(), pword, passlen);
+ } else {
+ bytes = talloc_array(talloc_tos(), uint8_t, 0);
+ }
- SSVAL(cli->outbuf,smb_vwv0,0xFF);
- SSVAL(cli->outbuf,smb_vwv2,TCONX_FLAG_EXTENDED_RESPONSE);
- SSVAL(cli->outbuf,smb_vwv3,passlen);
+ /*
+ * Add the sharename
+ */
+ tmp = talloc_asprintf_strupper_m(talloc_tos(), "\\\\%s\\%s",
+ cli->desthost, share);
+ if (tmp == NULL) {
+ TALLOC_FREE(bytes);
+ return NULL;
+ }
+ bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), tmp, strlen(tmp)+1,
+ NULL);
+ TALLOC_FREE(tmp);
- p = smb_buf(cli->outbuf);
- if (passlen) {
- memcpy(p,pword,passlen);
+ /*
+ * Add the devicetype
+ */
+ tmp = talloc_strdup_upper(talloc_tos(), dev);
+ if (tmp == NULL) {
+ TALLOC_FREE(bytes);
+ return NULL;
}
- p += passlen;
- p += clistr_push(cli, p, fullshare, -1, STR_TERMINATE |STR_UPPER);
- p += clistr_push(cli, p, dev, -1, STR_TERMINATE |STR_UPPER | STR_ASCII);
+ bytes = smb_bytes_push_str(bytes, false, tmp, strlen(tmp)+1, NULL);
+ TALLOC_FREE(tmp);
- cli_setup_bcc(cli, p);
+ if (bytes == NULL) {
+ return NULL;
+ }
- cli_send_smb(cli);
- if (!cli_receive_smb(cli))
- return False;
+ result = cli_request_send(mem_ctx, ev, cli, SMBtconX, 0,
+ 4, vwv, 0, talloc_get_size(bytes), bytes);
+ TALLOC_FREE(bytes);
+ return result;
- if (cli_is_error(cli))
- return False;
+ access_denied:
+ result = async_req_new(mem_ctx);
+ if (async_post_status(result, ev, NT_STATUS_ACCESS_DENIED)) {
+ return result;
+ }
+ TALLOC_FREE(result);
+ return NULL;
+}
- clistr_pull(cli->inbuf, cli->dev, smb_buf(cli->inbuf), sizeof(fstring),
- -1, STR_TERMINATE|STR_ASCII);
+NTSTATUS cli_tcon_andx_recv(struct async_req *req)
+{
+ struct cli_request *cli_req = talloc_get_type_abort(
+ req->private_data, struct cli_request);
+ struct cli_state *cli = cli_req->cli;
+ uint8_t wct;
+ uint16_t *vwv;
+ uint16_t num_bytes;
+ uint8_t *bytes;
+ NTSTATUS status;
- if (cli->protocol >= PROTOCOL_NT1 &&
- smb_buflen(cli->inbuf) == 3) {
+ if (async_req_is_error(req, &status)) {
+ return status;
+ }
+
+ status = cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ clistr_pull(cli_req->inbuf, cli->dev, bytes, sizeof(fstring),
+ num_bytes, STR_TERMINATE|STR_ASCII);
+
+ if ((cli->protocol >= PROTOCOL_NT1) && (num_bytes == 3)) {
/* almost certainly win95 - enable bug fixes */
cli->win95 = True;
}
- /* Make sure that we have the optional support 16-bit field. WCT > 2 */
- /* Avoids issues when connecting to Win9x boxes sharing files */
+ /*
+ * Make sure that we have the optional support 16-bit field. WCT > 2.
+ * Avoids issues when connecting to Win9x boxes sharing files
+ */
- cli->dfsroot = False;
- if ( (CVAL(cli->inbuf, smb_wct))>2 && cli->protocol >= PROTOCOL_LANMAN2 )
- cli->dfsroot = (SVAL( cli->inbuf, smb_vwv2 ) & SMB_SHARE_IN_DFS) ? True : False;
+ cli->dfsroot = false;
- cli->cnum = SVAL(cli->inbuf,smb_tid);
- return True;
+ if ((wct > 2) && (cli->protocol >= PROTOCOL_LANMAN2)) {
+ cli->dfsroot = ((SVAL(vwv+2, 0) & SMB_SHARE_IN_DFS) != 0);
+ }
+
+ cli->cnum = SVAL(cli_req->inbuf,smb_tid);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS cli_tcon_andx(struct cli_state *cli, const char *share,
+ const char *dev, const char *pass, int passlen)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct event_context *ev;
+ struct async_req *req;
+ NTSTATUS status;
+
+ if (cli->fd_event != NULL) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ req = cli_tcon_andx_send(frame, ev, cli, share, dev, pass, passlen);
+ if (req == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ while (req->state < ASYNC_REQ_DONE) {
+ event_loop_once(ev);
+ }
+
+ status = cli_tcon_andx_recv(req);
+ fail:
+ TALLOC_FREE(frame);
+ return status;
}
/****************************************************************************
@@ -1956,8 +2052,9 @@ NTSTATUS cli_full_connection(struct cli_state **output_cli,
}
if (service) {
- if (!cli_send_tconX(cli, service, service_type, password, pw_len)) {
- nt_status = cli_nt_error(cli);
+ nt_status = cli_tcon_andx(cli, service, service_type, password,
+ pw_len);
+ if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status)));
cli_shutdown(cli);
if (NT_STATUS_IS_OK(nt_status)) {
generated by cgit (git 2.34.1) at 2024-10-30 05:13:38 +0000