1 /*
2 * SysDB - src/tools/sysdb/command.c
3 * Copyright (C) 2014 Sebastian 'tokkee' Harl <sh@tokkee.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
28 #if HAVE_CONFIG_H
29 # include "config.h"
30 #endif /* HAVE_CONFIG_H */
32 #include "tools/sysdb/command.h"
33 #include "tools/sysdb/input.h"
35 #include "frontend/proto.h"
36 #include "utils/strbuf.h"
38 #include <assert.h>
39 #include <ctype.h>
40 #include <string.h>
42 /*
43 * public API
44 */
46 char *
47 sdb_command_exec(sdb_input_t *input)
48 {
49 const char *query;
50 uint32_t query_len;
52 char *data = NULL;
54 query = sdb_strbuf_string(input->input);
55 query_len = (uint32_t)input->query_len;
57 assert(input->query_len <= input->tokenizer_pos);
59 /* removing leading and trailing newlines */
60 while (query_len && (*query == '\n')) {
61 ++query;
62 --query_len;
63 }
64 while (query_len && (query[query_len - 1]) == '\n')
65 --query_len;
67 if (query_len) {
68 sdb_strbuf_t *recv_buf;
69 uint32_t rcode = 0;
71 recv_buf = sdb_strbuf_create(1024);
72 if (! recv_buf)
73 return NULL;
75 data = strndup(query, query_len);
76 /* ignore errors; we'll only hide the command from the caller */
78 sdb_client_send(input->client, CONNECTION_QUERY, query_len, query);
79 if (sdb_client_recv(input->client, &rcode, recv_buf) < 0)
80 rcode = UINT32_MAX;
82 if (rcode == UINT32_MAX)
83 printf("ERROR: ");
84 printf("%s\n", sdb_strbuf_string(recv_buf));
86 sdb_strbuf_destroy(recv_buf);
87 }
89 sdb_strbuf_skip(input->input, 0, input->query_len);
90 input->tokenizer_pos -= input->query_len;
91 input->query_len = 0;
92 return data;
93 } /* sdb_command_exec */
95 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */