#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <pwd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#define MAX_OPT 10
#define MAXSIZE 8192
static int add_arg(char *buf, int max_size, const char *arg, int *buflen)
{
const char *myarg = (arg ? arg : "");
int len = strlen(myarg) + 1;
if (*buflen + len > max_size) return -1;
strcat(buf+*buflen, myarg);
*buflen += len;
return 0;
}
static int notify(const char *notifyd_path, const char *method,
const char *class, const char *priority,
const char *user, const char *mailbox,
int nopt, char **options,
const char *message)
{
int soc;
struct sockaddr_un sun;
char buf[MAXSIZE] = "", noptstr[20];
int buflen = 0;
int i, r = 0;
soc = socket(AF_UNIX, SOCK_DGRAM, 0);
if (soc == -1) {
perror("socket() ");
return -1;
}
memset((char *)&sun, 0, sizeof(sun));
sun.sun_family = AF_UNIX;
strncpy(sun.sun_path, notifyd_path, sizeof(sun.sun_path));
r = add_arg(buf, MAXSIZE, method, &buflen);
if (!r) r = add_arg(buf, MAXSIZE, class, &buflen);
if (!r) r = add_arg(buf, MAXSIZE, priority, &buflen);
if (!r) r = add_arg(buf, MAXSIZE, user, &buflen);
if (!r) r = add_arg(buf, MAXSIZE, mailbox, &buflen);
snprintf(noptstr, sizeof(noptstr), "%d", nopt);
if (!r) r = add_arg(buf, MAXSIZE, noptstr, &buflen);
for (i = 0; !r && i < nopt; i++) {
r = add_arg(buf, MAXSIZE, options[i], &buflen);
}
if (!r) r = add_arg(buf, MAXSIZE, message, &buflen);
if (r) {
perror("dgram too big");
return -1;
}
r = sendto(soc, buf, buflen, 0, (struct sockaddr *) &sun, sizeof(sun));
if (r < buflen) {
perror("sendto() ");
return -1;
}
return 0;
}
int
main(int argc, char *argv[])
{
const char *method = "", *priority = "normal";
const char *class = "MESSAGE", *user = "", *mailbox = NULL;
const char *message = NULL, *path = NULL;
int c;
int flag_error = 0;
while ((c = getopt(argc, argv, "f:n:c:p:u:m:t:")) != EOF)
switch (c) {
case 'f':
path = optarg;
break;
case 'n':
method = optarg;
break;
case 'c':
class = optarg;
break;
case 'p':
priority = optarg;
break;
case 'u':
user = optarg;
break;
case 'm':
mailbox = optarg;
break;
case 't':
message = optarg;
break;
default:
flag_error = 1;
break;
}
if (!path || !message)
flag_error = 1;
if (flag_error) {
(void)fprintf(stderr,
"%s: usage: %s -f socket_path -t text [-n method]\n"
" [-c class] [-p priority]\n"
" [-u user] [-m mailbox]\n"
" [option ...]\n",
argv[0], argv[0]);
exit(1);
}
if ((argc - optind) > 10) {
fprintf(stderr,"too many options (> %d)\n", MAX_OPT);
exit(1);
}
if (!*user) user = getpwuid(getuid())->pw_name;
return notify(path, method, class, priority, user, mailbox,
argc - optind, argv+optind, message);
}