src/tools/srvctrlsocket.c

Mon, 06 Mar 2017 15:43:28 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Mon, 06 Mar 2017 15:43:28 +0100
branch
srvctrl
changeset 175
9823770ba4ee
parent 173
63b8d52db390
permissions
-rw-r--r--

using wstool in server control scripts

adds server config lib
wstool can read server.conf now
changes wstool usage

173
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
4 * Copyright 2017 Olaf Wintermann. All rights reserved.
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include "srvctrlsocket.h"
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 #include <stdio.h>
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32 #include <stdlib.h>
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 #include <unistd.h>
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
34 #include <string.h>
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35 #include <sys/socket.h>
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 #include <sys/un.h>
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38 SrvConnection* srvctrl_connet(char *socketfile) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39 if(!socketfile) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 fprintf(stderr, "srvctrl_connect: no socketfile\n");
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 return NULL;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43 size_t len = strlen(socketfile);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44 if(len == 0) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 fprintf(stderr, "srvctrl_connect: invalid socket path\n");
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46 return NULL;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 if(len > 100) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49 fprintf(stderr, "srvctrl_connect: socket path too long\n");
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50 return NULL;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
51 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
53 int fd = socket(AF_UNIX, SOCK_STREAM, 0);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
54 if(fd == -1) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
55 perror("srvctrl_connect: cannot create socket");
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
56 return NULL;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
59 struct sockaddr_un addr;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60 memset(&addr, 0, sizeof(addr));
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
61 addr.sun_family = AF_UNIX;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62 memcpy(addr.sun_path, socketfile, len);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64 if(connect(fd, (struct sockaddr*)&addr, sizeof(addr))) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 perror("srvctrl_connect");
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66 close(fd);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67 return NULL;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
68 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70 FILE *stream = fdopen(fd, "r+");
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
71 if(!stream) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
72 close(fd);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
73 return NULL;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
74 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
75
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
76 SrvConnection *conn = calloc(1, sizeof(SrvConnection));
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
77 conn->socket = fd;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
78 conn->stream = stream;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
79
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
80 return conn;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
81 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
82
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
83 void srvctrl_close(SrvConnection *conn) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
84 fclose(conn->stream);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
85 free(conn);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
86 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
87
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
88 int srvctrl_readmsg(SrvConnection *conn, SrvMsg *msg) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
89 int type = 0;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
90 uint16_t length;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
91
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
92 type = fgetc(conn->stream);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
93 if(type == EOF) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
94 return 1;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
95 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
96
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
97 if(fread(&length, 1, 2, conn->stream) != 2) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
98 return -1;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
99 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
100
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
101 msg->type = type;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
102 msg->length = length;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
103 msg->message = malloc(length);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
104
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
105 size_t r = fread(msg->message, 1, length, conn->stream);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
106 if(r != length) {
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
107 free(msg->message);
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
108 return -1;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
109 }
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
110
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
111 return 0;
63b8d52db390 adds new tool for webserver control
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
112 }

mercurial