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/* Copyright (c) 2001 by David Chiang. All rights reserved.*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>
#include <string.h>
#include "sentserver.h"
int main (int argc, char *argv[]) {
int sock, port;
char *s, *key;
struct hostent *hp;
struct sockaddr_in server;
int errors = 0;
if (argc < 3) {
fprintf(stderr, "Usage: sentclient host[:port[:key]] command [args ...]\n");
exit(1);
}
s = strchr(argv[1], ':');
key = NULL;
if (s == NULL) {
port = DEFAULT_PORT;
} else {
*s = '\0';
s+=1;
/* dumb hack */
key = strchr(s, ':');
if (key != NULL){
*key = '\0';
key += 1;
}
port = atoi(s);
}
sock = socket(AF_INET, SOCK_STREAM, 0);
hp = gethostbyname(argv[1]);
if (hp == NULL) {
fprintf(stderr, "unknown host %s\n", argv[1]);
exit(1);
}
bzero((char *)&server, sizeof(server));
bcopy(hp->h_addr, (char *)&server.sin_addr, hp->h_length);
server.sin_family = hp->h_addrtype;
server.sin_port = htons(port);
while (connect(sock, (struct sockaddr *)&server, sizeof(server)) < 0) {
perror("connect()");
sleep(1);
errors++;
if (errors > 5)
exit(1);
}
close(0);
close(1);
dup2(sock, 0);
dup2(sock, 1);
if (key != NULL){
write(1, key, strlen(key));
write(1, "\n", 1);
}
execvp(argv[2], argv+2);
return 0;
}
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