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#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include "util.h"
#include "arg.h"
#include "users.h"
FILE *fout;
char *argv0;
static int
init_client(char *host, int port) {
int s = socket(AF_INET, SOCK_STREAM, 0);
struct sockaddr_in addr = {AF_INET, htons(port)};
if (!inet_pton(AF_INET, host, &addr.sin_addr))
error("couldn't resolve host");
if (connect(s, (struct sockaddr *)&addr, sizeof(addr)))
error("Failed to connect");
return s;
}
static void
stop_client(int s) {
close(s);
}
static void
connect_client(int s, char *nick) {
char *msg;
int len = asprintf(&msg, "connect %s", nick);
send(s, msg, len, 0);
free(msg);
}
static void
send_msg(int s, char *contents) {
char *msg;
time_t t = time(NULL);
int len = asprintf(&msg, "msg %.5d %s", strlen(contents), contents);
send(s, msg, len, 0);
send(s, &t, sizeof(time_t), 0);
free(msg);
}
static void
resend_msg(int s, char *contents) {
char *msg;
time_t t = time(NULL);
int len = asprintf(&msg, "remsg %.5d %s", strlen(contents), contents);
send(s, msg, len, 0);
send(s, &t, sizeof(time_t), 0);
free(msg);
}
static void
usage() {
fprintf(stderr, "send [-h host] [-p port] [-P password] [-n nick] -m msg\n");
exit(1);
}
static int
recv_response(int s) {
int i;
recv(s, &i, sizeof(int), 0);
return i;
}
int
main(int argc, char **argv) {
char *host = "127.0.0.1";
int port = 1543;
char *nick = getenv("SENDUSER");
char *pass = getenv("SENDPASS");
char *msg = NULL;
ARGBEGIN {
case 'h':
host = EARGF(usage());
break;
case 'p':
port = atoi(EARGF(usage()));
break;
case 'P':
pass = EARGF(usage());
break;
case 'n':
nick = EARGF(usage());
break;
case 'm':
msg = EARGF(usage());
break;
} ARGEND;
if (!msg)
usage();
if (!nick)
error("failed to get nickname, use -n!");
if (!pass)
error("failed to get password, use -p!");
int s = init_client(host, port);
connect_client(s, nick);
int msg_hash = make_mhash(msg);
send_msg(s, msg);
while (recv_response(s) != msg_hash)
resend_msg(s, msg);
printf("valid msg sent\n");
stop_client(s);
}
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