1 #include <sys/types.h>
2 #include <sys/socket.h>
3 #include <sys/un.h>
4 #include <unistd.h>
5 #include <string.h>
6 #include "strerr.h"
7 #include "byte.h"
8 #include "sgetopt.h"
9
10 #define FATAL "socklog-check: fatal: "
11 #define WARNING "socklog-check: warning: "
12 #define INFO "socklog-check: info: "
13
14 #define VERSION "$Id: socklog-check.c,v 1.2 2006/02/26 13:30:37 pape Exp $"
15 #define USAGE " [-v] [unix [address]]"
16
17 const char *progname;
18
usage()19 void usage() { strerr_die4x(1, "usage: ", progname, USAGE, "\n"); }
20
21 int s;
22 struct sockaddr_un sa;
23 const char *address ="/dev/log";
24 unsigned int verbose =0;
25
main(int argc,const char ** argv)26 int main(int argc, const char **argv) {
27 int opt;
28
29 progname =*argv;
30
31 while ((opt =getopt(argc, argv, "vV")) != opteof) {
32 switch(opt) {
33 case 'v': verbose =1; break;
34 case 'V': strerr_warn1(VERSION, 0);
35 case '?': usage();
36 }
37 }
38 argv +=optind;
39
40 if (argv && *argv) {
41 if (**argv != 'u') usage();
42 if (++argv && *argv) address =*argv;
43 }
44 if ((s =socket(AF_UNIX, SOCK_DGRAM, 0)) == -1)
45 strerr_die4sys(111, FATAL, "unable to create socket: ", address, ": ");
46 byte_zero(&sa, sizeof(sa));
47 sa.sun_family =AF_UNIX;
48 strncpy(sa.sun_path, address, sizeof(sa.sun_path));
49 if (connect(s, (struct sockaddr *)&sa, sizeof(sa)) == -1) {
50 close(s);
51 #ifdef EDESTADDRREQ
52 if (errno == EDESTADDRREQ) errno =error_connrefused;
53 #endif
54 strerr_die4sys(111, WARNING, "unable to connect socket: ", address, ": ");
55 }
56 close(s);
57 if (verbose) strerr_die3x(0, INFO, "successfully connected to ", address);
58 return(0);
59 }
60